/* =====================================================================
   1. VARIABLES CSS - THÈMES CLAIR & SOMBRE
   ===================================================================== */
:root {
    /* Points de rupture responsive */
    --breakpoint-xs: 0;
    --breakpoint-sm: 576px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 992px;
    --breakpoint-xl: 1200px;
    --breakpoint-xxl: 1400px;

    /* Couleurs principales - THÈME CLAIR */
    --primary: #1a4a9e;
    --primary-dark: #0d3a7e;
    --primary-light: #2c5fc1;
    --primary-lighter: #4a7ad9;
    --primary-soft: #eef2ff;
    --primary-transparent: rgba(26, 74, 158, 0.1);

    --secondary: #ff9f1c;
    --secondary-dark: #e68a00;
    --secondary-light: #ffb347;
    --secondary-lighter: #ffcd82;
    --secondary-soft: #fff5e6;
    --secondary-transparent: rgba(255, 159, 28, 0.1);

    --accent: #e63946;
    --accent-dark: #c1121f;
    --accent-light: #ff6b7a;
    --accent-soft: #ffe6e8;

    --success: #2a9d8f;
    --success-dark: #1d7a6f;
    --success-light: #4abfb2;
    --success-soft: #e8f6f4;

    --warning: #f4a261;
    --warning-dark: #e76f51;
    --warning-light: #f7c59f;

    --info: #457b9d;
    --info-dark: #1d3557;
    --info-light: #a8dadc;

    /* Couleurs neutres - THÈME CLAIR */
    --dark: #171f27;
    --dark-gray: #495057;
    --medium-gray: #6c757d;
    --light-gray: #adb5bd;
    --lighter-gray: #dee2e6;
    --light: #f8f9fa;
    --white: #ffffff;
    --black: #272525;
    --transparent: transparent;

    /* Couleurs de texte - THÈME CLAIR */
    --text-primary: var(--dark);
    --text-secondary: var(--dark-gray);
    --text-light: var(--white);
    --text-muted: var(--medium-gray);

    /* Bordures */
    --border-color: var(--lighter-gray);
    --border-radius-xs: 4px;
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    --border-radius-circle: 50%;

    /* Ombres - THÈME CLAIR */
    --shadow-xs: 0 1px 3px rgba(49, 42, 42, 0.05);
    --shadow-sm: 0 4px 6px rgba(35, 27, 27, 0.07);
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 15px 35px rgba(7, 26, 41, 0.12);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
    --shadow-hover: 0 25px 60px rgba(0, 0, 0, 0.2);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.05);

    /* Transitions */
    --transition-fast: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    --transition-slow: all 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);

    /* Typographie */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --font-accent: 'Montserrat', sans-serif;
    --font-serif: 'Playfair Display', serif;

    /* Tailles de police responsive */
    --font-size-xs: 0.75rem;
    /* 12px */
    --font-size-sm: 0.875rem;
    /* 14px */
    --font-size-base: 1rem;
    /* 16px */
    --font-size-md: 1.125rem;
    /* 18px */
    --font-size-lg: 1.25rem;
    /* 20px */
    --font-size-xl: 1.5rem;
    /* 24px */
    --font-size-2xl: 1.875rem;
    /* 30px */
    --font-size-3xl: 2.25rem;
    /* 36px */
    --font-size-4xl: 3rem;
    /* 48px */
    --font-size-5xl: 3.75rem;
    /* 60px */
    --font-size-6xl: 4.5rem;
    /* 72px */

    /* Hauteurs de ligne */
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    --line-height-loose: 2;

    /* Espacements responsive */
    --space-0: 0;
    --space-1: 0.25rem;
    /* 4px */
    --space-2: 0.5rem;
    /* 8px */
    --space-3: 0.75rem;
    /* 12px */
    --space-4: 1rem;
    /* 16px */
    --space-5: 1.5rem;
    /* 24px */
    --space-6: 2rem;
    /* 32px */
    --space-7: 2.5rem;
    /* 40px */
    --space-8: 3rem;
    /* 48px */
    --space-9: 4rem;
    /* 64px */
    --space-10: 5rem;
    /* 80px */
    --space-11: 6rem;
    /* 96px */
    --space-12: 8rem;
    /* 128px */

    /* Largeurs responsive */
    --container-xs: 100%;
    --container-sm: 540px;
    --container-md: 720px;
    --container-lg: 960px;
    --container-xl: 1140px;
    --container-xxl: 1320px;
    --container-fluid: 100%;

    /* Z-index */
    --z-index-dropdown: 1000;
    --z-index-sticky: 1020;
    --z-index-fixed: 1030;
    --z-index-modal-backdrop: 1040;
    --z-index-modal: 1050;
    --z-index-popover: 1060;
    --z-index-tooltip: 1070;
    --z-index-toast: 1080;
    --z-index-preloader: 9999;
}

/* Variables pour le mode sombre */
[data-theme="dark"] {
    /* Couleurs principales - mêmes car elles sont importantes pour l'identité */
    --primary: #1a4a9e;
    --primary-dark: #0d3a7e;
    --primary-light: #2c5fc1;
    --primary-lighter: #4a7ad9;
    --primary-soft: rgba(26, 74, 158, 0.15);
    --primary-transparent: rgba(26, 74, 158, 0.1);

    --secondary: #ff9f1c;
    --secondary-dark: #e68a00;
    --secondary-light: #ffb347;
    --secondary-lighter: #ffcd82;
    --secondary-soft: rgba(255, 159, 28, 0.15);
    --secondary-transparent: rgba(255, 159, 28, 0.1);

    /* Couleurs neutres - THÈME SOMBRE */
    --dark: #121212;
    --dark-gray: #2e2929;
    --medium-gray: #6c757d;
    --light-gray: #adb5bd;
    --lighter-gray: #333333;
    --light: #2e2b2b;
    --white: #201d1d;
    --black: #ffffff;

    /* Couleurs de texte - THÈME SOMBRE */
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-light: #ffffff;
    --text-muted: #8a8a8a;

    /* Couleurs de fond des composants */
    --border-color: #333333;

    /* Ombres - THÈME SOMBRE */
    --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 15px 35px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 25px 60px rgba(0, 0, 0, 0.6);
    --shadow-inset: inset 0 2px 4px rgba(0, 0, 0, 0.2);

    /* Couleurs supplémentaires pour le mode sombre */
    --accent-soft: rgba(230, 57, 70, 0.15);
    --success-soft: rgba(42, 157, 143, 0.15);
}

/* =====================================================================
   2. RESET ET STYLES DE BASE
   ===================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--text-primary);
    background-color: var(--white);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* =====================================================================
   3. TYPOGRAPHIE RESPONSIVE
   ===================================================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-5);
    color: var(--primary);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

h1 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 900;
    letter-spacing: -0.5px;
}

h2 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    position: relative;
    display: inline-block;
}

h3 {
    font-size: clamp(var(--font-size-xl), 3vw, var(--font-size-3xl));
}

h4 {
    font-size: clamp(var(--font-size-lg), 2.5vw, var(--font-size-2xl));
}

h5 {
    font-size: clamp(var(--font-size-md), 2vw, var(--font-size-xl));
}

h6 {
    font-size: clamp(var(--font-size-base), 1.8vw, var(--font-size-lg));
}

p {
    margin-bottom: var(--space-5);
    color: var(--text-secondary);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

a:hover,
a:focus {
    color: var(--primary-dark);
    outline: none;
}

strong,
b {
    font-weight: 700;
}

em,
i {
    font-style: italic;
}

small {
    font-size: var(--font-size-sm);
}

mark {
    background-color: var(--secondary-soft);
    padding: 0 4px;
}

blockquote {
    font-family: var(--font-serif);
    font-size: clamp(var(--font-size-base), 2vw, var(--font-size-xl));
    font-style: italic;
    color: var(--primary);
    border-left: 4px solid var(--secondary);
    padding-left: var(--space-6);
    margin: var(--space-8) 0;
    word-wrap: break-word;
}

hr {
    border: 0;
    height: 1px;
    background-color: var(--border-color);
    margin: var(--space-8) 0;
}

/* =====================================================================
   4. LAYOUT & UTILITAIRES RESPONSIVE
   ===================================================================== */
.container {
    width: 100%;
    max-width: var(--container-xxl);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--space-5);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-0.5 * var(--space-5));
}

.col {
    flex: 1 0 0%;
    padding: 0 calc(0.5 * var(--space-5));
}

/* Grille responsive améliorée */
.grid-responsive {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
}

/* Classes de grille responsive */
.grid-1 {
    grid-template-columns: 1fr;
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Utilitaires d'espacement responsive */
.m-0 {
    margin: var(--space-0) !important;
}

.m-1 {
    margin: var(--space-1) !important;
}

.m-2 {
    margin: var(--space-2) !important;
}

.m-3 {
    margin: var(--space-3) !important;
}

.m-4 {
    margin: var(--space-4) !important;
}

.m-5 {
    margin: var(--space-5) !important;
}

.m-6 {
    margin: var(--space-6) !important;
}

.m-7 {
    margin: var(--space-7) !important;
}

.m-8 {
    margin: var(--space-8) !important;
}

.mt-0 {
    margin-top: var(--space-0) !important;
}

.mt-1 {
    margin-top: var(--space-1) !important;
}

.mt-2 {
    margin-top: var(--space-2) !important;
}

.mt-3 {
    margin-top: var(--space-3) !important;
}

.mt-4 {
    margin-top: var(--space-4) !important;
}

.mt-5 {
    margin-top: var(--space-5) !important;
}

.mt-6 {
    margin-top: var(--space-6) !important;
}

.mt-7 {
    margin-top: var(--space-7) !important;
}

.mt-8 {
    margin-top: var(--space-8) !important;
}

.mb-0 {
    margin-bottom: var(--space-0) !important;
}

.mb-1 {
    margin-bottom: var(--space-1) !important;
}

.mb-2 {
    margin-bottom: var(--space-2) !important;
}

.mb-3 {
    margin-bottom: var(--space-3) !important;
}

.mb-4 {
    margin-bottom: var(--space-4) !important;
}

.mb-5 {
    margin-bottom: var(--space-5) !important;
}

.mb-6 {
    margin-bottom: var(--space-6) !important;
}

.mb-7 {
    margin-bottom: var(--space-7) !important;
}

.mb-8 {
    margin-bottom: var(--space-8) !important;
}

.p-0 {
    padding: var(--space-0) !important;
}

.p-1 {
    padding: var(--space-1) !important;
}

.p-2 {
    padding: var(--space-2) !important;
}

.p-3 {
    padding: var(--space-3) !important;
}

.p-4 {
    padding: var(--space-4) !important;
}

.p-5 {
    padding: var(--space-5) !important;
}

.p-6 {
    padding: var(--space-6) !important;
}

.p-7 {
    padding: var(--space-7) !important;
}

.p-8 {
    padding: var(--space-8) !important;
}

/* Utilitaires de display responsive */
.d-none {
    display: none !important;
}

.d-inline {
    display: inline !important;
}

.d-inline-block {
    display: inline-block !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.d-inline-flex {
    display: inline-flex !important;
}

.d-grid {
    display: grid !important;
}

/* Classes responsive spécifiques */
.mobile-only {
    display: none !important;
}

.tablet-only {
    display: none !important;
}

.desktop-only {
    display: none !important;
}

/* Utilitaires de flexbox responsive */
.flex-column {
    flex-direction: column !important;
}

.flex-row {
    flex-direction: row !important;
}

.flex-wrap {
    flex-wrap: wrap !important;
}

.flex-nowrap {
    flex-wrap: nowrap !important;
}

.flex-1 {
    flex: 1 !important;
}

.flex-auto {
    flex: auto !important;
}

.flex-none {
    flex: none !important;
}

.justify-content-start {
    justify-content: flex-start !important;
}

.justify-content-end {
    justify-content: flex-end !important;
}

.justify-content-center {
    justify-content: center !important;
}

.justify-content-between {
    justify-content: space-between !important;
}

.justify-content-around {
    justify-content: space-around !important;
}

.justify-content-evenly {
    justify-content: space-evenly !important;
}

.align-items-start {
    align-items: flex-start !important;
}

.align-items-end {
    align-items: flex-end !important;
}

.align-items-center {
    align-items: center !important;
}

.align-items-baseline {
    align-items: baseline !important;
}

.align-items-stretch {
    align-items: stretch !important;
}

/* Utilitaires de position */
.position-static {
    position: static !important;
}

.position-relative {
    position: relative !important;
}

.position-absolute {
    position: absolute !important;
}

.position-fixed {
    position: fixed !important;
}

.position-sticky {
    position: sticky !important;
}

/* Utilitaires de texte responsive */
.text-left {
    text-align: left !important;
}

.text-right {
    text-align: right !important;
}

.text-center {
    text-align: center !important;
}

.text-justify {
    text-align: justify !important;
}

.text-uppercase {
    text-transform: uppercase !important;
}

.text-lowercase {
    text-transform: lowercase !important;
}

.text-capitalize {
    text-transform: capitalize !important;
}

.text-wrap {
    white-space: normal !important;
}

.text-nowrap {
    white-space: nowrap !important;
}

.font-weight-light {
    font-weight: 300 !important;
}

.font-weight-normal {
    font-weight: 400 !important;
}

.font-weight-medium {
    font-weight: 500 !important;
}

.font-weight-semibold {
    font-weight: 600 !important;
}

.font-weight-bold {
    font-weight: 700 !important;
}

.font-weight-bolder {
    font-weight: 800 !important;
}

.font-weight-black {
    font-weight: 900 !important;
}

.font-italic {
    font-style: italic !important;
}

/* Utilitaires de couleur */
.text-primary {
    color: var(--primary) !important;
}

.text-secondary {
    color: var(--secondary) !important;
}

.text-accent {
    color: var(--accent) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-danger {
    color: var(--accent) !important;
}

.text-info {
    color: var(--info) !important;
}

.text-dark {
    color: var(--dark) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-white {
    color: var(--white) !important;
}

.text-black {
    color: var(--black) !important;
}

.bg-primary {
    background-color: var(--primary) !important;
}

.bg-secondary {
    background-color: var(--secondary) !important;
}

.bg-accent {
    background-color: var(--accent) !important;
}

.bg-success {
    background-color: var(--success) !important;
}

.bg-warning {
    background-color: var(--warning) !important;
}

.bg-danger {
    background-color: var(--accent) !important;
}

.bg-info {
    background-color: var(--info) !important;
}

.bg-light {
    background-color: var(--light) !important;
}

.bg-dark {
    background-color: var(--dark) !important;
}

.bg-white {
    background-color: var(--white) !important;
}

.bg-transparent {
    background-color: transparent !important;
}

/* Utilitaires de bordures */
.rounded {
    border-radius: var(--border-radius) !important;
}

.rounded-sm {
    border-radius: var(--border-radius-sm) !important;
}

.rounded-lg {
    border-radius: var(--border-radius-lg) !important;
}

.rounded-circle {
    border-radius: var(--border-radius-circle) !important;
}

.rounded-pill {
    border-radius: 50rem !important;
}

.border {
    border: 1px solid var(--border-color) !important;
}

.border-0 {
    border: 0 !important;
}

.border-top {
    border-top: 1px solid var(--border-color) !important;
}

.border-end {
    border-right: 1px solid var(--border-color) !important;
}

.border-bottom {
    border-bottom: 1px solid var(--border-color) !important;
}

.border-start {
    border-left: 1px solid var(--border-color) !important;
}

.border-primary {
    border-color: var(--primary) !important;
}

.border-secondary {
    border-color: var(--secondary) !important;
}

.border-success {
    border-color: var(--success) !important;
}

.border-warning {
    border-color: var(--warning) !important;
}

.border-danger {
    border-color: var(--accent) !important;
}

.border-white {
    border-color: var(--white) !important;
}

/* Utilitaires d'ombres */
.shadow-none {
    box-shadow: none !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

.shadow {
    box-shadow: var(--shadow) !important;
}

.shadow-lg {
    box-shadow: var(--shadow-lg) !important;
}

/* Utilitaires de largeur et hauteur responsive */
.w-25 {
    width: 25% !important;
}

.w-50 {
    width: 50% !important;
}

.w-75 {
    width: 75% !important;
}

.w-100 {
    width: 100% !important;
}

.w-auto {
    width: auto !important;
}

.h-25 {
    height: 25% !important;
}

.h-50 {
    height: 50% !important;
}

.h-75 {
    height: 75% !important;
}

.h-100 {
    height: 100% !important;
}

.h-auto {
    height: auto !important;
}

/* Utilitaires de visibilité */
.visible {
    visibility: visible !important;
}

.invisible {
    visibility: hidden !important;
}

/* Utilitaires d'overflow */
.overflow-auto {
    overflow: auto !important;
}

.overflow-hidden {
    overflow: hidden !important;
}

.overflow-visible {
    overflow: visible !important;
}

.overflow-scroll {
    overflow: scroll !important;
}

/* Utilitaires de centrage */
.text-center {
    text-align: center !important;
}

.flex-center {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.mx-auto {
    margin-left: auto !important;
    margin-right: auto !important;
}

/* =====================================================================
   5. BOUTONS RESPONSIVE
   ===================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    gap: var(--space-2);
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition);
    z-index: -1;
}

.btn:hover::before,
.btn:focus::before {
    left: 100%;
}

.btn:hover,
.btn:focus {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.btn:active {
    transform: translateY(-1px);
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 3px rgba(26, 74, 158, 0.25);
}

.btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Boutons de couleurs */
.btn-primary {
    color: var(--white);
    background-color: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus {
    color: var(--white);
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-secondary {
    color: var(--white);
    background-color: var(--secondary);
    border-color: var(--secondary);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover,
.btn-secondary:focus {
    color: var(--white);
    background-color: var(--secondary-dark);
    border-color: var(--secondary-dark);
}

.btn-accent {
    color: var(--white);
    background-color: var(--accent);
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.btn-accent:hover,
.btn-accent:focus {
    color: var(--white);
    background-color: var(--accent-dark);
    border-color: var(--accent-dark);
}

.btn-success {
    color: var(--white);
    background-color: var(--success);
    border-color: var(--success);
    box-shadow: var(--shadow-sm);
}

.btn-success:hover,
.btn-success:focus {
    color: var(--white);
    background-color: var(--success-dark);
    border-color: var(--success-dark);
}

/* Boutons outline */
.btn-outline-primary {
    color: var(--primary);
    background-color: transparent;
    border-color: var(--primary);
    box-shadow: none;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    color: var(--white);
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-secondary {
    color: var(--secondary);
    background-color: transparent;
    border-color: var(--secondary);
    box-shadow: none;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    color: var(--white);
    background-color: var(--secondary);
    border-color: var(--secondary);
}

.btn-outline-white {
    color: var(--white);
    background-color: transparent;
    border-color: var(--white);
    box-shadow: none;
}

.btn-outline-white:hover,
.btn-outline-white:focus {
    color: var(--primary);
    background-color: var(--white);
    border-color: var(--white);
}

/* Tailles de boutons responsive */
.btn-sm {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: var(--space-5) var(--space-8);
    font-size: var(--font-size-xl);
}

/* Bouton bloc */
.btn-block {
    display: flex;
    width: 100%;
}

/* Bouton avec icône */
.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--border-radius-circle);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon.btn-sm {
    width: 36px;
    height: 36px;
}

.btn-icon.btn-lg {
    width: 60px;
    height: 60px;
}

/* =====================================================================
   6. HEADER & NAVIGATION RESPONSIVE
   ===================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-index-fixed);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    will-change: transform, backdrop-filter, background-color;
}

[data-theme="dark"] .header {
    background-color: rgba(18, 18, 18, 0.95);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
}

[data-theme="dark"] .header.scrolled {
    background-color: rgba(18, 18, 18, 0.98);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) 0;
    transition: var(--transition);
}

.header.scrolled .header-container {
    padding: var(--space-3) 0;
}

/* Logo responsive */
.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    text-decoration: none;
    z-index: var(--z-index-fixed);
    min-width: 0;
}

.logo-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    transition: var(--transition);
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.logo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.team-img-container {
    position: relative;
    background-color: var(--light-gray);
    transition: all 0.3s ease;
    width: 100%;
    height: 320px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: var(--space-4);
}

.team-img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease, opacity 0.5s ease;
}

.team-img.loaded {
    opacity: 1 !important;
}

.team-img-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-soft), var(--secondary-soft));
    color: var(--text-muted);
    font-size: 14px;
    text-align: center;
    z-index: 1;
}

.team-img-placeholder i {
    font-size: 48px;
    margin-bottom: 8px;
    color: var(--primary);
}

.logo:hover .logo-icon {
    transform: rotate(10deg) scale(1.05);
}

.logo-text {
    min-width: 0;
    overflow: hidden;
    text-align: center;
}

.logo-text h1 {
    font-size: var(--font-size-sm);
    color: var(--primary);
    margin-bottom: 0;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 700;
}

.logo-text p {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
}

/* Navigation principale responsive */
.nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-2);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--dark);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    position: relative;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

[data-theme="dark"] .nav-link {
    color: var(--text-primary);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--primary);
    background-color: var(--primary-soft);
}

.nav-link.active {
    color: var(--primary);
    background-color: var(--primary-soft);
}

.nav-link i {
    font-size: var(--font-size-sm);
}

/* Bouton de basculement du thème */
.theme-toggle {
    width: 40px;
    height: 40px;
    background-color: transparent;
    border: none;
    border-radius: var(--border-radius-circle);
    font-size: var(--font-size-base);
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

.theme-toggle:hover,
.theme-toggle:focus {
    background-color: var(--primary-soft);
    transform: rotate(30deg);
    outline: none;
}

/* Dropdown responsive */
.nav-dropdown .nav-link::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: var(--font-size-xs);
    margin-left: var(--space-1);
    transition: var(--transition-fast);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: var(--z-index-dropdown);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--dark-gray);
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition-fast);
    word-break: break-word;
}

[data-theme="dark"] .dropdown-item {
    color: var(--text-primary);
}

.dropdown-item:hover,
.dropdown-item:focus {
    color: var(--primary);
    background-color: var(--primary-soft);
    padding-left: var(--space-6);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: var(--space-2) 0;
}

/* Bouton menu mobile amélioré */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    background-color: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-lg);
    color: var(--primary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: var(--z-index-fixed);
    -webkit-tap-highlight-color: transparent;
}

.mobile-menu-btn:hover,
.mobile-menu-btn:focus {
    background-color: var(--primary-soft);
    outline: none;
}

/* Boutons d'action header responsive */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* =====================================================================
   7. HERO SECTION RESPONSIVE
   ===================================================================== */
.hero {
    position: relative;
    padding-top: 120px;
    padding-bottom: var(--space-10);
    background: linear-gradient(rgba(56, 88, 143, 0.85), rgba(104, 129, 171, 0.9)),
        url("../images/IMG-20251212-WA0000.8e13593de619.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    color: var(--white);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero {
        background-attachment: fixed;
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%231a4a9e' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(var(--font-size-2xl), 8vw, var(--font-size-5xl));
    font-weight: 900;
    color: var(--white);
    margin-bottom: var(--space-4);
    line-height: 1.1;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    word-break: break-word;
}

.hero-subtitle {
    font-size: clamp(var(--font-size-sm), 4vw, var(--font-size-lg));
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--space-6);
    max-width: 800px;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
}

/* Statistiques Hero responsive */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-8);
}

.stat-card {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    padding: var(--space-4);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover,
.stat-card:focus {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-10px);
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    color: var(--secondary);
    margin-bottom: var(--space-1);
    font-family: var(--font-accent);
}

.stat-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--white);
    word-break: break-word;
}

/* =====================================================================
   8. SECTIONS COMMUNES RESPONSIVE
   ===================================================================== */
.section {
    padding: var(--space-8) 0;
    position: relative;
}

.section-lg {
    padding: var(--space-10) 0;
}

.section-xl {
    padding: var(--space-12) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-5);
    padding: 0 var(--space-4);
}

.section-title {
    font-size: var(--font-size-2xl);
    color: var(--primary);
    margin-bottom: var(--space-4);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 5px;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.objectives-list {
    list-style-type: none;
    padding-left: 0;
}

/* =====================================================================
   9. ABOUT SECTION - AVEC CAROUSEL SCROLLABLE RESPONSIVE
   ===================================================================== */
.about-section {
    background-color: var(--white);
    position: relative;
    overflow: hidden;
    padding: var(--space-8) 0 var(--space-6) 0;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--primary-soft) 0%, transparent 70%);
    z-index: 0;
}

.about-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--secondary-soft) 0%, transparent 70%);
    z-index: 0;
}

.about-content {
    position: relative;
    z-index: 1;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    align-items: center;
}

@media (min-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* =====================================================================
   10. CAROUSEL SCROLLABLE RESPONSIVE
   ===================================================================== */
.scrollable-carousel {
    position: relative;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.carousel-header {
    padding: var(--space-4) var(--space-5);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    text-align: center;
    border-top-left-radius: var(--border-radius-lg);
    border-top-right-radius: var(--border-radius-lg);
}

.carousel-header h3 {
    color: var(--white);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-lg);
}

.carousel-header p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

.carousel-container {
    position: relative;
    background-color: var(--light);
    padding: var(--space-4) var(--space-3);
    border-bottom-left-radius: var(--border-radius-lg);
    border-bottom-right-radius: var(--border-radius-lg);
}

.carousel-track {
    display: flex;
    gap: var(--space-4);
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    /* Masquer la barre sur mobile */
    padding: var(--space-3);
    margin: 0 calc(-1 * var(--space-4));
    padding-left: var(--space-4);
    padding-right: var(--space-4);
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
    gap: var(--space-4);
}

.carousel-track::-webkit-scrollbar {
    height: 6px;
}

.carousel-track::-webkit-scrollbar-track {
    background: var(--light);
    border-radius: 10px;
}

.carousel-track::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.carousel-track::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.carousel-slide {
    flex: 0 0 auto;
    width: 280px;
    /* Plus adapté aux petits écrans */
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--primary-soft);
    transition: var(--transition);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    scroll-snap-align: center;
}

.carousel-slide:hover,
.carousel-slide:focus {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.carousel-slide.active {
    border: 3px solid var(--secondary);
    transform: scale(1.02);
}

.carousel-slide img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
    display: block;
}

.carousel-slide:hover img,
.carousel-slide:focus img {
    transform: scale(1.05);
}

.carousel-caption {
    padding: var(--space-3);
    text-align: center;
    background: var(--white);
}

.carousel-caption h4 {
    margin-bottom: var(--space-1);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.carousel-caption p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

.carousel-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-3);
    flex-wrap: wrap;
}

.carousel-scroll-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-circle);
    background-color: var(--primary);
    color: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.carousel-scroll-btn:hover,
.carousel-scroll-btn:focus {
    background-color: var(--primary-dark);
    transform: scale(1.1);
}

.carousel-scroll-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.carousel-indicators {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
}

.carousel-indicator {
    width: 10px;
    height: 10px;
    border-radius: var(--border-radius-circle);
    background-color: var(--light-gray);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    -webkit-tap-highlight-color: transparent;
}

.carousel-indicator.active {
    background-color: var(--secondary);
    transform: scale(1.3);
}

.carousel-instructions {
    text-align: center;
    margin-top: var(--space-3);
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* Style pour les images manquantes */
.image-placeholder {
    width: 100%;
    height: 180px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    padding: var(--space-4);
}

.image-placeholder i {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-3);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

@media (min-width: 768px) {
    .mission-vision-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

.mission-card,
.vision-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: var(--space-3);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 5px solid var(--secondary);
    height: 100%;
}

.vision-card {
    border-top-color: var(--primary);
}

.mission-card:hover,
.mission-card:focus,
.vision-card:hover,
.vision-card:focus {
    transform: translateY(-15px);
    box-shadow: var(--shadow-hover);
}

.mission-icon,
.vision-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--white);
    font-size: var(--font-size-xl);
}

.vision-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

/* =====================================================================
   11. VALUES SECTION RESPONSIVE
   ===================================================================== */
.values-section {
    background-color: var(--primary-soft);
    position: relative;
    overflow: hidden;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 576px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.value-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: var(--space-5);
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    z-index: 2;
}

.value-card:hover,
.value-card:focus {
    transform: translateY(-15px);
    box-shadow: var(--shadow-hover);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--border-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-2xl);
    transition: var(--transition);
}

.value-card:hover .value-icon,
.value-card:focus .value-icon {
    transform: rotateY(180deg) scale(1.1);
}

.value-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-3);
}

/* =====================================================================
   12. PROGRAMS SECTION RESPONSIVE
   ===================================================================== */
.programs-section {
    background-color: var(--white);
    position: relative;
}

.program-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    padding: 0 var(--space-4);
}

.program-tab {
    padding: var(--space-3) var(--space-4);
    background-color: var(--light);
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.program-tab.active {
    background-color: var(--primary);
    color: var(--white);
}

.program-tab:hover:not(.active),
.program-tab:focus:not(.active) {
    background-color: var(--primary-soft);
    color: var(--primary);
}

.program-tab i {
    font-size: var(--font-size-base);
}

.programs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 768px) {
    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .programs-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.program-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.program-card:hover,
.program-card:focus {
    transform: translateY(-20px);
    box-shadow: var(--shadow-hover);
}

.program-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    padding: var(--space-5);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.program-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    z-index: 0;
}

.program-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 1;
}

.program-title {
    font-size: var(--font-size-lg);
    margin-bottom: 0;
    color: var(--white);
    position: relative;
    z-index: 1;
}

.program-body {
    padding: var(--space-5);
}

.program-features {
    list-style: none;
    padding-left: 0;
    margin: var(--space-4) 0;
}

.program-features li {
    margin-bottom: var(--space-3);
    padding-left: var(--space-5);
    position: relative;
    word-break: break-word;
}

.program-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
    font-size: var(--font-size-base);
}

.program-stats {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: var(--space-4);
    margin-top: var(--space-4);
}

/* =====================================================================
   13. TEAM SECTION RESPONSIVE
   ===================================================================== */
.team-section {
    background-color: var(--light);
    position: relative;
    overflow: hidden;
    padding: var(--space-10) 0;
}

.team-section::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--primary-transparent) 0%, transparent 70%);
    z-index: 0;
}

.team-section::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--secondary-transparent) 0%, transparent 70%);
    z-index: 0;
}

.team-container {
    position: relative;
    z-index: 1;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-7);
    margin-top: var(--space-8);
}

@media (min-width: 576px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.team-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--primary-soft);
    transition: var(--transition);
    text-align: center;
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.team-card:hover,
.team-card:focus {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.team-img-container {
    position: relative;
    width: 100%;
    height: 350px;
    overflow: hidden;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
}

.team-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transition: var(--transition-slow);
    display: block;
}

.team-card:hover .team-img,
.team-card:focus .team-img {
    transform: scale(1.05);
}

.team-img.loading {
    opacity: 0;
}

.team-img.loaded {
    opacity: 1;
    transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

.team-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
}

.team-img-placeholder i {
    font-size: var(--font-size-2xl);
    opacity: 0.9;
}

.team-info {
    padding: var(--space-5);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.team-name {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-1);
    color: var(--primary);
    font-weight: 700;
}

.team-role {
    color: var(--secondary);
    font-weight: 700;
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-4);
}

.team-description {
    flex-grow: 1;
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    word-break: break-word;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.team-social a {
    width: 40px;
    height: 40px;
    background-color: var(--light);
    border-radius: var(--border-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--primary);
    border: 1px solid var(--border-color);
    -webkit-tap-highlight-color: transparent;
}

.team-social a:hover,
.team-social a:focus {
    background-color: var(--primary);
    color: var(--white);
    transform: translateY(-5px);
    border-color: var(--primary);
}

.team-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    padding: 6px 12px;
    border-radius: 50px;
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
    box-shadow: var(--shadow-sm);
}

/* =====================================================================
   14. IMPACT SECTION RESPONSIVE
   ===================================================================== */
.impact-section {
    background: linear-gradient(rgba(54, 114, 217, 0.9), rgba(145, 168, 209, 0.95)),
        url("../images/IMG-20251212-WA0002.cbab73ee4114.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    color: var(--white);
    position: relative;
}

@media (min-width: 768px) {
    .impact-section {
        background-attachment: fixed;
    }
}

.impact-section h2,
.impact-section h3,
.impact-section p {
    color: var(--white);
}

.impact-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

@media (min-width: 576px) {
    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .impact-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.impact-stat {
    text-align: center;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-5);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.impact-stat:hover,
.impact-stat:focus {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-10px);
}

.impact-stat i {
    font-size: var(--font-size-2xl);
    color: var(--secondary);
    margin-bottom: var(--space-4);
}

.impact-number {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    margin-bottom: var(--space-1);
    font-family: var(--font-accent);
}

.impact-text {
    font-size: var(--font-size-base);
    font-weight: 600;
    word-break: break-word;
}

.impact-story {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--space-5);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.impact-story p {
    font-style: italic;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-4);
}

/* =====================================================================
   15. DONATE SECTION RESPONSIVE
   ===================================================================== */
.donate-section {
    position: relative;
    background-color: var(--light);
}

.donate-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
    .donate-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1200px) {
    .donate-options {
        grid-template-columns: repeat(3, 1fr);
    }
}

.donate-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}

.donate-card:hover,
.donate-card:focus {
    transform: translateY(-15px);
    box-shadow: var(--shadow-hover);
}

.donate-header {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    padding: var(--space-5);
    text-align: center;
}

.donate-icon {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
}

.donate-title {
    font-size: var(--font-size-lg);
    margin-bottom: 0;
    color: var(--white);
}

.donate-body {
    padding: var(--space-5);
}

.donate-details {
    background-color: var(--light);
    border-radius: var(--border-radius);
    padding: var(--space-4);
    margin: var(--space-4) 0;
}

/* =====================================================================
   16. GALLERY SECTION RESPONSIVE
   ===================================================================== */
.gallery-section {
    background-color: var(--white);
    position: relative;
}

.gallery-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--primary-transparent) 0%, transparent 70%);
    z-index: 0;
}

.gallery-container {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-5);
}

@media (min-width: 576px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-item {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    height: 350px;
    position: relative;
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--primary-soft);
    transition: var(--transition);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-slow);
    display: block;
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.gallery-placeholder.secondary {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
}

.gallery-placeholder.accent {
    background: linear-gradient(135deg, var(--accent), var(--primary));
}

.gallery-item:hover,
.gallery-item:focus {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.gallery-item:hover img,
.gallery-item:focus img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    padding: 30px 20px 20px;
    color: var(--white);
    transform: translateY(10px);
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay,
.gallery-item:focus .gallery-overlay {
    transform: translateY(0);
    opacity: 1;
}

.gallery-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
    flex-wrap: wrap;
}

.gallery-filter {
    padding: var(--space-2) var(--space-3);
    background-color: var(--light);
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
}

.gallery-filter.active {
    background-color: var(--primary);
    color: var(--white);
}

.gallery-filter:hover:not(.active),
.gallery-filter:focus:not(.active) {
    background-color: var(--primary-soft);
    color: var(--primary);
}

/* =====================================================================
   17. TESTIMONIALS SECTION RESPONSIVE
   ===================================================================== */
.testimonials-section {
    background-color: var(--primary-soft);
    position: relative;
    overflow: hidden;
}

.testimonial-slider {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.testimonial-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    padding: var(--space-5);
    box-shadow: var(--shadow);
    margin: 0 var(--space-3);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: 30px;
    font-size: var(--font-size-3xl);
    color: var(--secondary);
    font-family: var(--font-serif);
    opacity: 0.3;
}

.testimonial-text {
    font-size: var(--font-size-base);
    font-style: italic;
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
    word-break: break-word;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.author-img {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-circle);
    background-color: var(--primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--primary);
    overflow: hidden;
    flex-shrink: 0;
}

.author-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.author-info {
    min-width: 0;
}

.author-info h4 {
    margin-bottom: var(--space-1);
    font-size: var(--font-size-base);
}

.author-role {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

/* =====================================================================
   18. EVENTS SECTION RESPONSIVE
   ===================================================================== */
.events-section {
    background-color: var(--white);
}

.events-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 576px) {
    .events-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .events-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.event-card {
    background-color: var(--white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.event-card:hover,
.event-card:focus {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.event-date {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    padding: var(--space-4);
    text-align: center;
}

.event-date-day {
    font-size: var(--font-size-2xl);
    font-weight: 900;
    line-height: 1;
}

.event-date-month {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.event-body {
    padding: var(--space-5);
}

.event-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2);
}

.event-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    flex-wrap: wrap;
}

.event-meta i {
    margin-right: var(--space-1);
}

/* =====================================================================
   19. PARTNERS SECTION RESPONSIVE
   ===================================================================== */
.partners-section {
    background-color: var(--light);
    position: relative;
}

.partners-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
    margin-top: var(--space-6);
}

.partner-logo {
    width: 150px;
    height: 80px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.partner-logo:hover,
.partner-logo:focus {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.partner-logo i {
    font-size: var(--font-size-2xl);
    color: var(--primary);
}

/* =====================================================================
   20. CONTACT SECTION RESPONSIVE
   ===================================================================== */
.contact-section {
    position: relative;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 992px) {
    .contact-container {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.contact-card {
    background-color: var(--white);
    padding: var(--space-5);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-card:hover,
.contact-card:focus {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--border-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: var(--white);
    font-size: var(--font-size-xl);
}

.contact-form {
    background-color: var(--white);
    padding: var(--space-5);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 600;
    color: var(--dark);
    font-size: var(--font-size-sm);
}

.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    transition: var(--transition);
    background-color: var(--white);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 74, 158, 0.1);
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* =====================================================================
   21. FOOTER RESPONSIVE
   ===================================================================== */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: var(--space-8) 0 var(--space-5);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

@media (min-width: 576px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .footer-content {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-column {
    min-width: 0;
}

.footer-column h3 {
    color: var(--secondary);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-lg);
    position: relative;
    padding-bottom: var(--space-2);
    word-break: break-word;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background-color: var(--secondary);
    bottom: 0;
    left: 0;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer-logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    border-radius: var(--border-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.footer-logo-text {
    min-width: 0;
}

.footer-logo-text h4 {
    color: var(--white);
    margin-bottom: var(--space-1);
    font-size: var(--font-size-base);
}

.footer-column ul {
    list-style: none;
    padding-left: 0;
}

.footer-column li {
    margin-bottom: var(--space-3);
    word-break: break-word;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-column a:hover,
.footer-column a:focus {
    color: var(--secondary);
    padding-left: var(--space-1);
}

.social-icons {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-4);
    flex-wrap: wrap;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-circle);
    transition: var(--transition);
    font-size: var(--font-size-base);
    -webkit-tap-highlight-color: transparent;
}

.social-icons a:hover,
.social-icons a:focus {
    background-color: var(--secondary);
    transform: translateY(-5px);
}

.newsletter-form {
    display: flex;
    margin-top: var(--space-3);
    flex-wrap: wrap;
}

.newsletter-input {
    flex: 1;
    min-width: 200px;
    padding: var(--space-2) var(--space-3);
    border: none;
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.newsletter-input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.15);
}

.newsletter-btn {
    padding: var(--space-2) var(--space-3);
    background-color: var(--secondary);
    color: var(--white);
    border: none;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.newsletter-btn:hover,
.newsletter-btn:focus {
    background-color: var(--secondary-dark);
}

.copyright {
    text-align: center;
    padding-top: var(--space-5);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    word-break: break-word;
    padding: 0 var(--space-4);
}

/* =====================================================================
   22. MODALS & POPUPS RESPONSIVE
   ===================================================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-modal);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    padding: var(--space-4);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background-color: var(--white);
    padding: var(--space-5);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    transform: translateY(30px);
    transition: transform 0.5s;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 40px;
    height: 40px;
    font-size: var(--font-size-lg);
    background-color: var(--light);
    border: none;
    border-radius: var(--border-radius-circle);
    cursor: pointer;
    color: var(--dark-gray);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-tap-highlight-color: transparent;
}

.modal-close:hover,
.modal-close:focus {
    background-color: var(--accent);
    color: var(--white);
}

.gallery-modal {
    z-index: var(--z-index-modal);
}

.gallery-modal-content {
    max-width: 90%;
    max-height: 90%;
    background-color: transparent;
    box-shadow: none;
    padding: 0;
}

.gallery-modal-img {
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--border-radius);
}

.gallery-modal-caption {
    text-align: center;
    color: var(--white);
    margin-top: var(--space-3);
    font-size: var(--font-size-base);
}

/* =====================================================================
   23. ANIMATIONS
   ===================================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 0.8s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

.animate-zoom-in {
    animation: zoomIn 0.8s ease-out;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

.animate-bounce {
    animation: bounce 2s infinite;
}

.animate-spin {
    animation: spin 2s linear infinite;
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================================
   24. PRELOADER
   ===================================================================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-preloader);
    transition: opacity 0.5s, visibility 0.5s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius-circle);
    border-top-color: var(--secondary);
    animation: spin 1s linear infinite;
}

/* =====================================================================
   25. BACK TO TOP RESPONSIVE
   ===================================================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    border-radius: var(--border-radius-circle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: var(--z-index-fixed);
    box-shadow: var(--shadow);
    -webkit-tap-highlight-color: transparent;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover,
.back-to-top:focus {
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* =====================================================================
   26. TOAST NOTIFICATIONS
   ===================================================================== */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: var(--border-radius);
    z-index: var(--z-index-toast);
    box-shadow: var(--shadow);
    color: white;
    animation: fadeIn 0.3s ease-out;
}

.toast-success {
    background-color: var(--success);
}

.toast-warning {
    background-color: var(--warning);
}

.toast-error {
    background-color: var(--accent);
}

/* =====================================================================
   27. RESPONSIVE DESIGN DÉTAILLÉ
   ===================================================================== */

/* Téléphones mobiles (portrait) - ≤ 576px */
@media (max-width: 576px) {
    :root {
        --font-size-base: 15px;
        --font-size-lg: 17px;
        --font-size-xl: 19px;
    }

    .container {
        padding: 0 var(--space-3);
    }

    .mobile-only {
        display: block !important;
    }

    .tablet-only,
    .desktop-only {
        display: none !important;
    }

    /* Header mobile optimisé */
    .header-container {
        gap: var(--space-2);
        padding: var(--space-2) 0;
    }

    .logo {
        gap: var(--space-2);
    }

    .logo-icon {
        width: 50px;
        height: 50px;
    }

    .logo-text h1 {
        font-size: var(--font-size-lg);
    }

    .logo-text p {
        font-size: var(--font-size-xs);
    }

    /* Navigation mobile optimisée - Style Verre (Glassmorphism) */
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        height: 100vh;
        background-color: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        padding: var(--space-8) var(--space-5);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        transform: translateX(100%);
        opacity: 1;
        visibility: visible;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: var(--z-index-fixed);
    }

    [data-theme="dark"] .nav-menu {
        background-color: rgba(18, 18, 18, 0.85);
    }

    .nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: var(--space-4) var(--space-5);
        font-size: var(--font-size-md);
        display: flex;
        align-items: center;
        width: 100%;
        border-radius: var(--border-radius-md);
        transition: all 0.3s ease;
        margin-bottom: var(--space-2);
    }

    .nav-link.active {
        background-color: var(--primary-soft);
        border-left: 3px solid var(--primary);
    }

    /* Staggered animation for menu items */
    .nav-item {
        opacity: 0;
        transform: translateX(30px);
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-menu.active .nav-item {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-menu.active .nav-item:nth-child(1) {
        transition-delay: 0.1s;
    }

    .nav-menu.active .nav-item:nth-child(2) {
        transition-delay: 0.15s;
    }

    .nav-menu.active .nav-item:nth-child(3) {
        transition-delay: 0.2s;
    }

    .nav-menu.active .nav-item:nth-child(4) {
        transition-delay: 0.25s;
    }

    .nav-menu.active .nav-item:nth-child(5) {
        transition-delay: 0.3s;
    }

    .nav-menu.active .nav-item:nth-child(6) {
        transition-delay: 0.35s;
    }

    .nav-menu.active .nav-item:nth-child(7) {
        transition-delay: 0.4s;
    }

    .mobile-menu-btn {
        display: flex;
        min-width: auto;
        min-height: auto;
        width: 40px;
        height: 40px;
    }

    /* Hero optimisé pour mobile */
    .hero {
        padding-top: 90px;
        padding-bottom: var(--space-6);
    }

    .hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        line-height: 1.1;
        margin-bottom: var(--space-4);
        font-weight: 800;
        text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    }

    .hero-subtitle {
        font-size: clamp(0.9rem, 4vw, 1.1rem);
        margin-bottom: var(--space-5);
        opacity: 0.95;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-2);
        margin-bottom: var(--space-4);
    }

    .hero-buttons .btn {
        width: 100%;
        justify-content: center;
        padding: var(--space-3) var(--space-4);
    }

    /* Boutons optimisés pour le toucher */
    .btn,
    .program-tab,
    .gallery-filter,
    .carousel-scroll-btn {
        min-height: 44px;
        min-width: 44px;
    }

    /* Forms optimisés pour mobile */
    input,
    select,
    textarea {
        font-size: 16px;
    }

    /* Amélioration de l'espacement sur mobile */
    .section {
        padding: var(--space-5) 0;
    }

    .section-header {
        margin-bottom: var(--space-5);
        padding: 0 var(--space-2);
    }

    .section-title {
        font-size: var(--font-size-xl);
        margin-bottom: var(--space-2);
    }

    .section-title::after {
        width: 80px;
    }

    .section-subtitle {
        font-size: var(--font-size-base);
        padding: 0 var(--space-2);
    }

    /* Optimisation des cartes pour mobile */
    .card,
    .value-card,
    .program-card,
    .team-card,
    .donate-card {
        margin-bottom: var(--space-3);
        padding: var(--space-3);
    }

    .value-card {
        padding: var(--space-4);
    }

    .team-img-container {
        width: 240px;
        height: 240px;
        border-radius: 20px;
        border: 4px solid var(--primary-soft);
        box-shadow: var(--shadow-md);
        margin: 0 auto var(--space-4) auto;
    }

    .team-card {
        max-width: 300px;
        margin: 0 auto var(--space-6) auto;
        background: transparent;
        box-shadow: none;
    }

    /* Grilles adaptées pour mobile */
    .values-grid,
    .programs-grid,
    .team-grid,
    .donate-options,
    .gallery-grid,
    .events-grid,
    .mission-vision-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }

    .impact-stat {
        padding: var(--space-4);
        border-radius: var(--border-radius-sm);
        background: var(--light);
    }

    .stat-number,
    .impact-number {
        font-size: var(--font-size-xl);
    }

    /* About section mobile */
    .about-grid {
        gap: var(--space-3);
    }

    .about-section {
        padding: var(--space-6) 0 var(--space-5) 0;
    }

    /* Program cards mobile */
    .program-header {
        padding: var(--space-4);
    }

    .program-body {
        padding: var(--space-4);
    }

    /* Team cards mobile */
    .team-img-container {
        height: 250px;
    }

    .team-name {
        font-size: var(--font-size-base);
    }

    /* Footer optimisé pour mobile */
    .footer {
        padding: var(--space-6) 0 var(--space-4);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .footer-column {
        margin-bottom: var(--space-3);
    }

    .footer-column h3 {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-3);
    }

    .newsletter-form {
        flex-direction: column;
    }

    .newsletter-input {
        border-radius: var(--border-radius-sm);
        margin-bottom: var(--space-2);
        width: 100%;
    }

    .newsletter-btn {
        border-radius: var(--border-radius-sm);
        width: 100%;
    }

    /* Carousel optimisé pour mobile */
    .carousel-track {
        padding: var(--space-2);
        margin: 0 calc(-1 * var(--space-2));
    }

    .carousel-slide {
        width: 260px;
    }

    .carousel-header {
        padding: var(--space-3) var(--space-4);
    }

    .carousel-header h3 {
        font-size: var(--font-size-base);
    }

    .carousel-nav {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    .carousel-scroll-btn {
        width: 36px;
        height: 36px;
        font-size: var(--font-size-sm);
    }

    /* Modal optimisé pour mobile */
    .modal {
        padding: var(--space-3);
    }

    .modal-content {
        padding: var(--space-4);
        margin: 0;
        max-height: 95vh;
    }

    .modal-close {
        top: var(--space-2);
        right: var(--space-2);
        width: 36px;
        height: 36px;
    }

    /* Contact form mobile */
    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .form-control {
        padding: var(--space-2) var(--space-3);
    }

    /* Thème toggle visible sur mobile */
    .theme-toggle {
        display: flex;
        min-width: 44px;
        min-height: 44px;
    }

    /* Gallery mobile */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2);
    }

    .gallery-item {
        height: 180px;
        border-radius: var(--border-radius-sm);
    }

    .gallery-placeholder {
        font-size: 2rem;
    }
}

/* Téléphones mobiles (paysage) - 577px à 767px */
@media (min-width: 577px) and (max-width: 767px) {
    :root {
        --font-size-base: 15px;
    }

    .mobile-only {
        display: block !important;
    }

    .tablet-only,
    .desktop-only {
        display: none !important;
    }

    /* Header paysage optimisé */
    .header-container {
        gap: var(--space-2);
        padding: var(--space-2) 0;
    }

    .logo-icon {
        width: 55px;
        height: 55px;
    }

    /* Navigation paysage mobile améliorée */
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: var(--space-3);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: var(--z-index-dropdown);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-link {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-sm);
    }

    .mobile-menu-btn {
        display: flex;
    }

    /* Hero paysage */
    .hero {
        padding-top: 80px;
        padding-bottom: var(--space-5);
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-buttons {
        flex-wrap: wrap;
        gap: var(--space-2);
    }

    /* Grilles adaptées pour mobile paysage */
    .values-grid,
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .programs-grid,
    .donate-options {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-stats,
    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }

    /* Section spacing paysage */
    .section {
        padding: var(--space-5) 0;
    }

    /* Footer paysage mobile */
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    /* Carousel paysage */
    .carousel-slide {
        width: 270px;
    }

    /* Thème toggle visible */
    .theme-toggle {
        display: flex;
    }

    /* Formulaires paysage */
    input,
    select,
    textarea {
        font-size: 16px;
    }
}

/* Tablettes - 768px à 991px */
@media (min-width: 768px) and (max-width: 991px) {
    :root {
        --font-size-base: 16px;
    }

    .tablet-only {
        display: block !important;
    }

    .mobile-only,
    .desktop-only {
        display: none !important;
    }

    /* Header tablette */
    .header-container {
        gap: var(--space-3);
        padding: var(--space-3) 0;
    }

    .logo-icon {
        width: 60px;
        height: 60px;
    }

    /* Navigation tablette optimisée */
    .nav-menu {
        gap: var(--space-2);
        padding: 0;
        transform: none;
        opacity: 1;
        visibility: visible;
        position: static;
        background-color: transparent;
        box-shadow: none;
        flex-direction: row;
        max-height: none;
    }

    .nav-link {
        padding: var(--space-2) var(--space-3);
        font-size: var(--font-size-sm);
    }

    .mobile-menu-btn {
        display: none;
    }

    /* Hero tablette */
    .hero {
        padding-top: 110px;
        padding-bottom: var(--space-8);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--space-4);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
        margin-bottom: var(--space-5);
    }

    .hero-buttons {
        gap: var(--space-3);
        flex-wrap: wrap;
        margin-bottom: var(--space-6);
    }

    .hero-buttons .btn {
        width: auto;
    }

    /* Section spacing tablette */
    .section {
        padding: var(--space-8) 0;
    }

    .section-header {
        margin-bottom: var(--space-6);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    /* About tablette */
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-5);
    }

    .about-section {
        padding: var(--space-8) 0 var(--space-6) 0;
    }

    /* Grilles adaptées pour tablette */
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    .programs-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .donate-options {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    .events-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    .mission-vision-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    /* Statistiques tablette */
    .hero-stats,
    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    /* Team cards tablette */
    .team-img-container {
        height: 280px;
    }

    /* Gallery tablette */
    .gallery-item {
        height: 320px;
    }

    /* Footer tablette */
    .footer {
        padding: var(--space-8) 0 var(--space-5);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }

    /* Carousel tablette */
    .carousel-slide {
        width: 290px;
    }

    .carousel-header {
        padding: var(--space-4) var(--space-5);
    }

    /* Contact tablette */
    .contact-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }

    /* Programme cards tablette */
    .program-header {
        padding: var(--space-5);
    }

    .program-body {
        padding: var(--space-5);
    }

    /* Thème toggle visible */
    .theme-toggle {
        display: flex;
    }
}

/* Tablettes paysage - 992px à 1199px */
@media (min-width: 992px) and (max-width: 1199px) {
    :root {
        --font-size-base: 16px;
    }

    .tablet-only {
        display: block !important;
    }

    .mobile-only,
    .desktop-only {
        display: none !important;
    }

    /* Header large tablette */
    .header-container {
        gap: var(--space-4);
        padding: var(--space-3) 0;
    }

    .logo-icon {
        width: 65px;
        height: 65px;
    }

    /* Navigation tablette paysage */
    .nav-menu {
        gap: var(--space-3);
        padding: 0;
        transform: none;
        opacity: 1;
        visibility: visible;
        position: static;
        background-color: transparent;
        box-shadow: none;
        flex-direction: row;
        max-height: none;
    }

    .nav-link {
        padding: var(--space-3) var(--space-4);
        font-size: var(--font-size-base);
    }

    .mobile-menu-btn {
        display: none;
    }

    /* Hero tablette paysage */
    .hero {
        padding-top: 120px;
        padding-bottom: var(--space-10);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--space-5);
    }

    .hero-subtitle {
        font-size: var(--font-size-lg);
        margin-bottom: var(--space-6);
    }

    .hero-buttons {
        gap: var(--space-4);
    }

    /* Section spacing tablette paysage */
    .section {
        padding: var(--space-10) 0;
    }

    .section-header {
        margin-bottom: var(--space-8);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .section-title::after {
        width: 100px;
    }

    /* About section */
    .about-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }

    .about-section {
        padding: var(--space-10) 0 var(--space-8) 0;
    }

    /* Grilles complètes pour tablette paysage */
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }

    .programs-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }

    .team-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-7);
    }

    .donate-options {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-5);
    }

    .events-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }

    .mission-vision-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }

    /* Statistiques tablette paysage */
    .hero-stats,
    .impact-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-6);
    }

    /* Team cards */
    .team-img-container {
        height: 300px;
    }

    /* Gallery */
    .gallery-item {
        height: 350px;
    }

    /* Footer */
    .footer {
        padding: var(--space-10) 0 var(--space-5);
    }

    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }

    /* Carousel */
    .carousel-slide {
        width: 310px;
    }

    .carousel-track {
        padding: var(--space-4);
    }

    /* Contact */
    .contact-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }

    /* Thème toggle visible */
    .theme-toggle {
        display: flex;
    }
}

/* Ordinateurs portables - 1200px à 1399px */
@media (min-width: 1200px) and (max-width: 1399px) {
    .desktop-only {
        display: block !important;
    }

    .mobile-only,
    .tablet-only {
        display: none !important;
    }

    /* Header desktop */
    .header-container {
        gap: var(--space-4);
        padding: var(--space-4) 0;
    }

    .logo-icon {
        width: 70px;
        height: 70px;
    }

    /* Navigation desktop optimisée */
    .nav-menu {
        gap: var(--space-4);
        padding: 0;
        position: static;
        background-color: transparent;
        flex-direction: row;
    }

    .nav-link {
        padding: var(--space-3) var(--space-5);
        font-size: var(--font-size-base);
    }

    .mobile-menu-btn {
        display: none;
    }

    /* Hero desktop */
    .hero {
        padding-top: 130px;
        padding-bottom: var(--space-12);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
        margin-bottom: var(--space-6);
    }

    .hero-subtitle {
        font-size: var(--font-size-xl);
        margin-bottom: var(--space-8);
    }

    .hero-buttons {
        gap: var(--space-4);
        margin-bottom: var(--space-10);
    }

    .hero-buttons .btn {
        padding: var(--space-4) var(--space-8);
        font-size: var(--font-size-lg);
    }

    /* Sections */
    .section {
        padding: var(--space-12) 0;
    }

    .section-lg {
        padding: var(--space-14) 0;
    }

    .section-header {
        margin-bottom: var(--space-10);
    }

    .section-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--space-5);
    }

    .section-subtitle {
        font-size: var(--font-size-lg);
        max-width: 900px;
    }

    /* Grilles desktop */
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }

    .programs-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }

    .team-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }

    .donate-options {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }

    .events-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }

    .mission-vision-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }

    /* Statistiques desktop */
    .hero-stats,
    .impact-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-8);
    }

    /* About section desktop */
    .about-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: var(--space-8);
    }

    .about-section {
        padding: var(--space-12) 0 var(--space-10) 0;
    }

    /* Team section */
    .team-img-container {
        height: 320px;
    }

    .team-card {
        padding: 0;
    }

    /* Gallery section */
    .gallery-item {
        height: 380px;
    }

    /* Footer desktop */
    .footer {
        padding: var(--space-12) 0 var(--space-6);
    }

    .footer-content {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-8);
    }

    /* Carousel desktop */
    .carousel-slide {
        width: 340px;
    }

    .carousel-track {
        padding: var(--space-5);
    }

    /* Contact desktop */
    .contact-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-10);
    }

    /* Thème toggle */
    .theme-toggle {
        display: flex;
    }
}

/* Grands écrans - ≥ 1400px */
@media (min-width: 1400px) {
    .desktop-only {
        display: block !important;
    }

    .mobile-only,
    .tablet-only {
        display: none !important;
    }

    /* Header grands écrans */
    .header-container {
        gap: var(--space-5);
        padding: var(--space-4) 0;
    }

    .logo-icon {
        width: 75px;
        height: 75px;
    }

    .logo-text h1 {
        font-size: var(--font-size-xl);
    }

    /* Navigation grands écrans */
    .nav-menu {
        gap: var(--space-5);
    }

    .nav-link {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-base);
    }

    /* Container optimisé */
    .container {
        max-width: var(--container-xxl);
    }

    /* Hero grand écran */
    .hero {
        padding-top: 150px;
        padding-bottom: var(--space-14);
    }

    .hero-title {
        font-size: 3.5rem;
        line-height: 1.1;
        margin-bottom: var(--space-8);
    }

    .hero-subtitle {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--space-10);
        max-width: 900px;
    }

    .hero-buttons {
        gap: var(--space-5);
        margin-bottom: var(--space-12);
    }

    /* Sections grand écran */
    .section {
        padding: var(--space-14) 0;
    }

    .section-header {
        margin-bottom: var(--space-12);
    }

    .section-title {
        font-size: 3rem;
        margin-bottom: var(--space-6);
    }

    .section-title::after {
        width: 120px;
        height: 6px;
    }

    .section-subtitle {
        font-size: var(--font-size-xl);
        max-width: 1000px;
    }

    /* Grilles grand écran */
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }

    .programs-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }

    .team-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }

    .donate-options {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-8);
    }

    .events-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }

    .mission-vision-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-10);
    }

    /* Statistiques grand écran */
    .hero-stats,
    .impact-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-10);
    }

    /* About grand écran */
    .about-grid {
        grid-template-columns: 1fr 1.3fr;
        gap: var(--space-10);
    }

    .about-section {
        padding: var(--space-14) 0 var(--space-12) 0;
    }

    /* Cards grand écran */
    .value-card,
    .program-card,
    .team-card,
    .donate-card {
        padding: var(--space-8);
    }

    .team-img-container {
        height: 350px;
    }

    /* Gallery grand écran */
    .gallery-item {
        height: 400px;
    }

    /* Footer grand écran */
    .footer {
        padding: var(--space-14) 0 var(--space-8);
    }

    .footer-content {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-10);
    }

    /* Carousel grand écran */
    .carousel-slide {
        width: 360px;
    }

    .carousel-track {
        padding: var(--space-6);
    }

    /* Contact grand écran */
    .contact-container {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-12);
    }

    .contact-form {
        padding: var(--space-8);
    }

    /* Thème toggle */
    .theme-toggle {
        display: flex;
    }
}

/* =====================================================================
   28. ACCESSIBILITÉ & PERFORMANCE
   ===================================================================== */

/* Focus visibles pour l'accessibilité */
*:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

*:focus:not(:focus-visible) {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Amélioration de la performance */
.will-change-transform {
    will-change: transform;
}

.will-change-opacity {
    will-change: opacity;
}

/* Optimisation des images */
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* Amélioration du texte pour la lisibilité */
.text-readable {
    max-width: 70ch;
    line-height: 1.6;
}

/* Skip to content pour l'accessibilité */
.skip-to-content {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px;
    z-index: 10000;
    text-decoration: none;
}

.skip-to-content:focus {
    top: 0;
}

/* Image error placeholder */
.image-error-placeholder {
    width: 100%;
    height: 100%;
    background: var(--light);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

/* Support pour les navigateurs sans JavaScript */
.no-js .preloader {
    display: none;
}

.no-js .animate-on-scroll {
    opacity: 1;
    transform: none;
}

.no-js .carousel-nav {
    display: none;
}

.no-js .theme-toggle {
    display: none;
}

/* Mode sombre du système */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --dark: #121212;
        --text-primary: #e0e0e0;
        --text-secondary: #b0b0b0;
        --text-muted: #808080;
        --light: #1e1e1e;
        --light-gray: #2d2d2d;
        --white: #121212;
        --border-color: #333333;
        --primary-soft: rgba(26, 74, 158, 0.15);
        --secondary-soft: rgba(255, 159, 28, 0.15);
        --accent-soft: rgba(230, 57, 70, 0.15);
    }
}

/* Économie d'énergie */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .btn,
    .card,
    .value-card,
    .program-card,
    .team-card,
    .donate-card,
    .event-card,
    .gallery-item,
    .nav-link {
        transition: none;
    }

    .animate-on-scroll {
        transition: none;
        opacity: 1;
        transform: none;
    }

    .animate-fade-in,
    .animate-fade-in-up,
    .animate-fade-in-down,
    .animate-fade-in-left,
    .animate-fade-in-right,
    .animate-zoom-in,
    .animate-pulse,
    .animate-bounce,
    .animate-spin,
    .animate-float {
        animation: none;
    }

    .carousel-track {
        scroll-behavior: auto;
    }

    .carousel-slide:hover,
    .carousel-slide:focus {
        transform: none;
    }

    .carousel-slide:hover img,
    .carousel-slide:focus img {
        transform: none;
    }
}

/* Contraste élevé */
@media (prefers-contrast: high) {
    :root {
        --primary: #003366;
        --primary-dark: #000000;
        --primary-light: #1a66cc;
        --secondary: #cc6600;
        --secondary-dark: #663300;
        --secondary-light: #ffaa00;
        --accent: #990000;
        --accent-dark: #330000;
    }

    .btn {
        border: 2px solid currentColor;
    }

    .nav-link.active {
        border: 2px solid var(--primary);
        font-weight: 700;
    }

    .section-title::after {
        height: 4px;
    }

    .card,
    .value-card,
    .program-card,
    .team-card,
    .donate-card {
        border: 2px solid var(--border-color);
    }
}

/* Impression */
@media print {

    .header,
    .mobile-menu-btn,
    .theme-toggle,
    .back-to-top,
    .modal,
    .modal-backdrop,
    .nav-menu,
    .donate-section .btn,
    .newsletter-form,
    .contact-form,
    .preloader {
        display: none !important;
    }

    body {
        background-color: var(--white);
        color: var(--dark);
        font-size: 12pt;
        line-height: 1.5;
    }

    .container {
        width: 100%;
        max-width: 100%;
        padding: 0;
    }

    .section {
        page-break-inside: avoid;
        padding: 20px 0;
    }

    .hero {
        background: none !important;
        color: var(--black);
        padding: 20pt 0;
    }

    .hero-title,
    .hero-subtitle {
        color: var(--black);
    }

    .footer {
        border-top: 2px solid var(--dark);
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
    }
}

/* =====================================================================
   29. COMPONENTS SPÉCIAUX RESPONSIVE
   ===================================================================== */
.alert {
    padding: var(--space-3);
    border-radius: var(--border-radius);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    border-left: 4px solid transparent;
}

.alert-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.alert-success {
    background-color: var(--success-soft);
    color: var(--success-dark);
    border-left-color: var(--success);
}

.alert-info {
    background-color: var(--primary-soft);
    color: var(--primary-dark);
    border-left-color: var(--primary);
}

.alert-warning {
    background-color: var(--secondary-soft);
    color: var(--secondary-dark);
    border-left-color: var(--secondary);
}

.alert-danger {
    background-color: var(--accent-soft);
    color: var(--accent-dark);
    border-left-color: var(--accent);
}

.badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 50px;
}

.badge-primary {
    color: var(--white);
    background-color: var(--primary);
}

.badge-secondary {
    color: var(--white);
    background-color: var(--secondary);
}

.badge-success {
    color: var(--white);
    background-color: var(--success);
}

.card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover,
.card:focus {
    box-shadow: var(--shadow-hover);
}

.card-header {
    padding: var(--space-3);
    background-color: var(--light);
    border-bottom: 1px solid var(--border-color);
}

.card-body {
    padding: var(--space-3);
}

.card-footer {
    padding: var(--space-3);
    background-color: var(--light);
    border-top: 1px solid var(--border-color);
}

/* =====================================================================
   30. FORMULAIRES SPÉCIAUX
   ===================================================================== */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin: 0;
}

.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    background-color: var(--white);
    color: var(--text-primary);
    transition: var(--transition);
}

.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 74, 158, 0.1);
}

/* =====================================================================
   31. SUPPORT POUR LES ANCIENS NAVIGATEURS
   ===================================================================== */
@supports not (display: grid) {

    .values-grid,
    .programs-grid,
    .team-grid,
    .donate-options,
    .gallery-grid,
    .events-grid {
        display: flex;
        flex-wrap: wrap;
        gap: var(--space-5);
    }

    .value-card,
    .program-card,
    .team-card,
    .donate-card,
    .gallery-item,
    .event-card {
        flex: 1 0 300px;
        max-width: 100%;
    }

    @media (max-width: 768px) {

        .value-card,
        .program-card,
        .team-card,
        .donate-card,
        .gallery-item,
        .event-card {
            flex: 1 0 100%;
        }
    }
}

/* Correction des problèmes iOS */
input,
textarea,
select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    border-radius: 0;
}

/* Amélioration du défilement sur iOS */
.overflow-touch {
    -webkit-overflow-scrolling: touch;
}

/* Correction du zoom sur iOS */
@media screen and (max-width: 768px) {

    input[type="color"],
    input[type="date"],
    input[type="datetime"],
    input[type="datetime-local"],
    input[type="email"],
    input[type="month"],
    input[type="number"],
    input[type="password"],
    input[type="search"],
    input[type="tel"],
    input[type="text"],
    input[type="time"],
    input[type="url"],
    input[type="week"],
    select:focus,
    textarea {
        font-size: 16px;
    }
}

/* Support pour Safari */
@media not all and (min-resolution: 0.001dpcm) {
    @supports (-webkit-appearance: none) {
        .safari-fix {
            transform: translateZ(0);
        }
    }
}

/* =====================================================================
   32. CLASSES POUR LES ÉTATS SPÉCIAUX
   ===================================================================== */
.touch-device .btn:hover,
.touch-device .card:hover,
.touch-device .value-card:hover,
.touch-device .program-card:hover,
.touch-device .team-card:hover,
.touch-device .donate-card:hover {
    transform: none;
    box-shadow: var(--shadow);
}

/* Classes pour l'impression */
.print-only {
    display: none;
}

.no-print {
    display: block;
}

@media print {
    .print-only {
        display: block;
    }

    .no-print {
        display: none;
    }
}

/* Support tactile amélioré */
@media (hover: none) and (pointer: coarse) {

    /* Appareils tactiles - Désactiver les effets hover complexes */
    .btn:hover,
    .btn:focus {
        transform: none;
    }

    .card:hover,
    .card:focus,
    .value-card:hover,
    .value-card:focus,
    .program-card:hover,
    .program-card:focus,
    .team-card:hover,
    .team-card:focus,
    .donate-card:hover,
    .donate-card:focus,
    .event-card:hover,
    .event-card:focus,
    .gallery-item:hover,
    .gallery-item:focus {
        transform: none;
        box-shadow: var(--shadow);
    }

    .nav-link:hover,
    .nav-link:focus {
        background-color: transparent;
    }

    /* Améliorer la taille des zones de toucher */
    .nav-link,
    .btn,
    .program-tab,
    .gallery-filter,
    .theme-toggle,
    .mobile-menu-btn,
    .carousel-scroll-btn,
    .carousel-indicator,
    .page-link {
        min-height: 48px;
        min-width: 48px;
    }

    /* Activer les états actifs pour le toucher */
    .btn:active {
        transform: scale(0.95);
    }

    .nav-link:active {
        background-color: var(--primary-soft);
    }

    .program-tab:active,
    .gallery-filter:active {
        opacity: 0.8;
    }
}

/* Support du pointeur fin (stylet) */
@media (hover: hover) and (pointer: fine) {

    /* Activer les effets hover complets sur les appareils avec souris */
    .btn:hover,
    .btn:focus {
        transform: translateY(-2px);
    }

    .card:hover,
    .card:focus,
    .value-card:hover,
    .value-card:focus,
    .program-card:hover,
    .program-card:focus,
    .team-card:hover,
    .team-card:focus,
    .donate-card:hover,
    .donate-card:focus {
        transform: translateY(-10px);
        box-shadow: var(--shadow-hover);
    }

    .nav-link:hover,
    .nav-link:focus {
        background-color: var(--primary-soft);
    }
}

/* Orientation spécifique */
@media (orientation: landscape) and (max-height: 600px) {
    .hero {
        padding-top: 90px;
        padding-bottom: var(--space-4);
        min-height: auto;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--space-2);
    }

    .hero-subtitle {
        font-size: var(--font-size-sm);
        margin-bottom: var(--space-2);
    }

    .hero-buttons {
        margin-bottom: var(--space-2);
        flex-wrap: wrap;
    }

    .hero-stats {
        margin-top: var(--space-4);
    }

    .section {
        padding: var(--space-4) 0;
    }

    .section-header {
        margin-bottom: var(--space-3);
    }

    .nav-menu.active {
        max-height: 70vh;
        overflow-y: auto;
    }
}

@media (orientation: portrait) {
    .carousel-slide {
        width: 280px;
    }
}

/* Hauteur réduite */
@media (max-height: 700px) {
    .hero {
        padding-top: 90px;
        min-height: auto;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--space-2);
    }

    .hero-buttons {
        margin-bottom: var(--space-3);
    }

    .hero-stats {
        margin-top: var(--space-4);
    }

    .modal-content {
        max-height: 85vh;
        overflow-y: auto;
    }

    .nav-menu.active {
        max-height: 75vh;
        overflow-y: auto;
    }

    .section {
        padding: var(--space-4) 0;
    }
}

/* Écrans très larges */
@media (min-width: 1600px) {

    .container,
    .container-xxl {
        max-width: 1480px;
    }

    .hero-title {
        font-size: 4rem;
    }

    .section-title {
        font-size: 3.2rem;
    }

    .hero-stats,
    .impact-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Écrans très petits */
@media (max-width: 360px) {
    :root {
        --font-size-base: 14px;
        --font-size-lg: 15px;
        --font-size-xl: 17px;
    }

    .container {
        padding: 0 var(--space-2);
    }

    .hero-title {
        font-size: var(--font-size-xl);
    }

    .section-title {
        font-size: var(--font-size-lg);
    }

    .logo-text h1 {
        font-size: var(--font-size-sm);
    }

    .carousel-slide {
        width: 240px;
    }

    .gallery-item {
        height: 280px;
    }