/* KMH Prestige Rallye - Styles CSS Noir & Blanc */

:root {
    /* Couleurs principales */
    --primary-black: #000000;
    --primary-black-light: #1a1a1a;
    --primary-black-dark: #000000;
    --secondary-white: #FFFFFF;
    --secondary-gray: #f5f5f5;
    --accent-gray: #e5e5e5;
    --accent-light-gray: #f0f0f0;
    
    /* Couleurs de texte */
    --text-primary: #FFFFFF;
    --text-secondary: #CCCCCC;
    --text-dark: #000000;
    --text-muted: #666666;
    
    /* Espacement */
    --section-padding: 120px 0;
    --container-padding: 0 20px;
    
    /* Transitions */
    --transition-fast: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-luxury: 0.8s cubic-bezier(0.23, 1, 0.32, 1);
    
    /* Ombres */
    --shadow-soft: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 1px 2px rgba(0, 0, 0, 0.15);
    --shadow-strong: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-black: 0 1px 2px rgba(0, 0, 0, 0.3);
    
    /* Bordures */
    --border-radius: 12px;
    --border-radius-large: 20px;
}

/* Reset et Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Reset spécifique pour les éléments vidéo */
iframe,
video,
.hero-video-bg,
.youtube-video-container,
.hero-video-bg video,
.youtube-video-container iframe {
    border: none !important;
    outline: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-shadow: none !important;
}

/* Règles ultra-spécifiques pour YouTube iframe */
.hero .youtube-video-container iframe,
#widget2 {
    border: none !important;
    outline: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Rubik', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #FFFFFF;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Empêcher le scroll du body quand le menu est ouvert */
body.menu-open {
    overflow: hidden;
}

body.modal-open {
    overflow: hidden;
}

/* Skip link pour l'accessibilité */
.skip-link {
    position: absolute;
    top: -45px;
    left: 6px;
    background: var(--primary-black);
    color: var(--text-primary);
    padding: 8px 16px;
    text-decoration: none;
    z-index: 10000;
    transition: top 0.3s;
    border-radius: 4px;
}

.skip-link:focus {
    top: 6px;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Rubik', serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--primary-black);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 7rem);
    font-weight: 800;
    line-height: 0.9;
    margin-bottom: 2rem;
}

@media (min-width: 800px) {
    .title-line {
        display: block;
        overflow: hidden;
        font-size: 1.2em;
    }
}
@media (max-width: 800px) {
    .title-line {
        display: block;
        overflow: hidden;
        font-size: 1.5em;
    }
}

.title-line.highlight {
    background: linear-gradient(135deg, var(--primary-black), var(--primary-black-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.2rem;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto;
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--primary-black);
    margin-bottom: 1rem;
    position: relative;
}

.section-tag::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-black), transparent);
}

.section-tag.light {
    color: var(--text-primary);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section-padding {
    padding: var(--section-padding);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: black;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.preloader.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    position: relative;
}

.loader-inner {
    width: 100%;
    height: 100%;
    position: relative;
}

.loader-line-wrap {
    animation: spin 2s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite;
    box-sizing: border-box;
    height: 50px;
    left: 0;
    overflow: hidden;
    position: absolute;
    top: 0;
    transform-origin: 50% 100%;
    width: 100px;
}

.loader-line {
    border: 4px solid transparent;
    border-radius: 100%;
    box-sizing: border-box;
    height: 100px;
    left: 0;
    margin: 0 auto;
    position: absolute;
    right: 0;
    top: 0;
    width: 100px;
}

.loader-line-wrap:nth-child(1) { animation-delay: -50ms; }
.loader-line-wrap:nth-child(2) { animation-delay: -100ms; }
.loader-line-wrap:nth-child(3) { animation-delay: -150ms; }
.loader-line-wrap:nth-child(4) { animation-delay: -200ms; }
.loader-line-wrap:nth-child(5) { animation-delay: -250ms; }

.loader-line-wrap:nth-child(1) .loader-line { border-color: #f0f0f0; }
.loader-line-wrap:nth-child(2) .loader-line { border-color: #d0d0d0; }
.loader-line-wrap:nth-child(3) .loader-line { border-color: #999999; }
.loader-line-wrap:nth-child(4) .loader-line { border-color: #666666; }
.loader-line-wrap:nth-child(5) .loader-line { border-color: #333333; }

@keyframes spin {
    0%, 15% { transform: rotate(0); }
    25%, 35% { transform: rotate(90deg); }
    45%, 55% { transform: rotate(180deg); }
    65%, 75% { transform: rotate(270deg); }
    85%, 100% { transform: rotate(360deg); }
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    transition: all var(--transition-smooth);
    background: rgba(0, 0, 0, 0);
}

header.header-transparent {
    background: rgba(0, 0, 0, 0) !important;
}

header.scrolled {
    background: rgba(0, 0, 0, 1) !important;
    padding: 8px 0;
    box-shadow: var(--shadow-medium);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: grid;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-fast);
    z-index: 1001;
}

.logo:hover {
    transform: scale(1.05);
}

.logo img {
    height: 50px;
    margin-right: 15px;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

.logo-text strong {
    font-family: 'Rubik', serif;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    display: block;
    line-height: 1;
}

.logo-text small {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: 3px;
    text-transform: uppercase;
}

/* Navigation principale */
.main-nav {
    position: relative;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2.5rem;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--text-primary);
    transition: width var(--transition-smooth);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.admin-link {
    color: var(--text-secondary) !important;
    opacity: 0.7;
}

/* Dropdown Navigation */
.dropdown {
    position: relative;
}

.dropdown .nav-link i {
    font-size: 0.7rem;
    margin-left: 0.5rem;
    transition: transform var(--transition-fast);
}

.dropdown:hover .nav-link i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary-white);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 1rem 0;
    margin-top: 1rem;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-smooth);
    z-index: 1000;
}

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

.dropdown-menu li {
    margin: 0;
}

.dropdown-link {
    display: block;
    padding: 0.8rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
}

.dropdown-link:hover,
.dropdown-link.active {
    color: var(--accent-color);
    background: rgba(212, 175, 55, 0.1);
    border-left-color: var(--accent-color);
}

/* Bouton menu mobile */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 30px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1002;
    position: relative;
}

.mobile-menu-btn span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all var(--transition-fast);
    transform-origin: center;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--primary-black);
    margin: 0;
    padding: 0;
    border: none;
}

/* Forcer la suppression des bordures pour tous les éléments dans hero */
.hero *,
.hero iframe,
.hero video {
    border: none !important;
    outline: none !important;
    box-shadow: none !important;
}

.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
}

/* Vidéo YouTube */
.youtube-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    margin: 0;
    padding: 0;
    border: none;
    outline: none;
}

.youtube-video-container iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    min-width: 120%;
    min-height: 120%;
    transform: translate(-50%, -50%) scale(1.1);
    opacity: 0.4;
    pointer-events: none;
    border: none !important;
    outline: none !important;
    margin: 0 !important;
    padding: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    object-fit: cover;
}

.hero-video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
    border: none;
    outline: none;
    margin: 0;
    padding: 0;
}

/* Overlay pour assombrir la vidéo */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

/* Contenu Hero */
.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    width: 100%;
    text-align: center;
    color: var(--text-primary);
}

.hero-text {
    max-width: 1000px;
    margin: 0 auto;
    color: var(--text-primary);
    padding: 0 20px;
}

/* Titre Hero */
.hero-title {
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 1.2s var(--transition-luxury) 0.5s forwards;
    color: var(--text-primary) !important;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    margin-bottom: 2rem;
}

.title-line.highlight {
    background: linear-gradient(135deg, var(--secondary-white), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    text-shadow: none;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    opacity: 1;
    animation: fadeInUp 1.2s var(--transition-luxury) 0.8s forwards;
    color: var(--text-primary) !important;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-bottom: 3rem;
    opacity: 1;
    animation: fadeInUp 1.2s var(--transition-luxury) 1.1s forwards;
    justify-content: center;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Rubik', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary) !important;
    line-height: 1;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary) !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    opacity: 1;
    animation: fadeInUp 1.2s var(--transition-luxury) 1.4s forwards;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    z-index: 3;
    opacity: 0;
    animation: fadeIn 1s ease 2s forwards;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--text-primary), transparent);
    margin: 10px auto 0;
    animation: scrollLine 2s ease-in-out infinite;
}

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

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

@keyframes scrollLine {
    0%, 20% { transform: scaleY(0); transform-origin: top; }
    100% { transform: scaleY(1); transform-origin: top; }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 18px 35px;
    border: 2px solid var(--primary-black);
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background: none;
}

.btn-primary {
    background: var(--secondary-white);
    color: var(--primary-black); 
    border-color: var(--primary-black);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-black-light), var(--primary-black));
    transform: translateY(-3px);
    box-shadow: var(--shadow-black);
    color: white
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--text-primary)!important;
}

.btn-outline:hover {
    background: var(--text-primary);
    color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: var(--shadow-soft);
}

.btn-outline-light {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-outline-light:hover {
    background: var(--text-primary);
    color: var(--primary-black);
}

.btn-lg {
    padding: 22px 45px;
    font-size: 1rem;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
    gap: 0.5rem;
    border-radius: 25px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.btn-full {
    width: 100%;
    justify-content: center;
    background-color: var(--primary-black);
    color: var(--text-primary);
}
.btn-full:hover {
    background-color: var(--primary-black-light);
    color: var(--text-primary);
}

.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: left var(--transition-smooth);
}

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

/* Sections */
.section-header {
    margin-bottom: 4rem;
}

.section-header.text-center {
    text-align: center;
}

.bg-dark {
    background: linear-gradient(135deg, var(--primary-black), var(--primary-black-light));
    color: var(--text-primary);
}

.bg-dark .section-title {
    color: var(--text-primary);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-text h3 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    position: relative;
}

.about-text .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.about-features {
    margin-top: 3rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-black), var(--primary-black-light));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-black);
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--secondary-white);
}

.feature-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-black);
}

.feature-content p {
    color: var(--text-muted);
    margin: 0;
}

.about-visual {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-strong);
}

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform var(--transition-luxury);
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-smooth);
}

.about-image-wrapper:hover .image-overlay {
    opacity: 1;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.play-button:hover {
    background: var(--secondary-white);
    transform: scale(1.1);
}

.play-button i {
    font-size: 2rem;
    color: var(--primary-black);
    margin-left: 5px;
}

.about-badges {
    position: absolute;
    bottom: -30px;
    right: 30px;
    display: flex;
    gap: 1rem;
}

.badge {
    background: var(--text-primary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow-medium);
    min-width: 120px;
}

.badge-number {
    display: block;
    font-family: 'Rubik', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-black);
    line-height: 1;
}

.badge-text {
    font-size: 0.875rem;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Sponsors Section */
.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.sponsor-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    transition: all var(--transition-smooth);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-item:hover {
    transform: translateY(-10px);
    border-color: var(--text-primary);
    box-shadow: var(--shadow-black);
}

.sponsor-item img {
    object-fit: contain;
    width: 100%;
    height: 80px;
    max-width: 160px;
    transition: filter var(--transition-smooth);
}

.sponsor-item:hover img {
    filter: grayscale(0%) brightness(1);
}

.sponsor-overlay {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.7));
    transition: bottom var(--transition-smooth);
    z-index: 2;
}

.sponsor-item:hover .sponsor-overlay {
    bottom: 0;
}

.sponsor-overlay h4 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.sponsor-description {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9) !important;
    line-height: 1.5;
    text-align: center;
    font-weight: 400;
    padding: 0 0.5rem;
    margin-bottom: 1rem;
}

.sponsor-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
}

.sponsor-discount {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(5px);
}

.sponsor-discount i {
    color: #4CAF50;
    font-size: 0.8rem;
}

.sponsor-overlay .sponsor-website-btn {
    margin-top: 0.75rem !important;
    font-size: 0.8rem !important;
    padding: 8px 16px !important;
    border-width: 1.5px !important;
    min-width: auto !important;
    line-height: 1.2 !important;
    height: auto !important;
    border-radius: 20px !important;
    font-weight: 500 !important;
    text-transform: none !important;
    letter-spacing: 0.3px !important;
    transition: all 0.3s ease !important;
    background: transparent !important;
    color: var(--text-primary) !important;
    border-color: var(--text-primary) !important;
}

.sponsor-overlay .sponsor-website-btn:hover {
    background: var(--text-primary) !important;
    color: var(--primary-black) !important;
    border-color: var(--text-primary) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 8px rgba(255, 255, 255, 0.2) !important;
}

.sponsor-overlay .sponsor-website-btn span {
    margin-right: 0.4rem !important;
    font-size: inherit !important;
    color: inherit !important;
    background: none !important;
}

.sponsor-overlay .sponsor-website-btn i {
    font-size: 0.7rem !important;
    color: inherit !important;
    transition: transform 0.3s ease !important;
}

.sponsor-overlay .sponsor-website-btn:hover i {
    transform: translateX(2px) !important;
}

/* Styles spécifiques pour mobile */
@media (max-width: 768px) {
    .sponsor-item.sponsor-active .sponsor-overlay {
        bottom: 0;
    }
    
    .sponsor-item.sponsor-active {
        transform: translateY(-10px);
        border-color: var(--text-primary);
        box-shadow: var(--shadow-black);
    }
    
    .sponsor-item.sponsor-active img {
        filter: grayscale(0%) brightness(1);
    }
    
    /* Bouton "Visiter le site" amélioré pour mobile */
    .sponsor-overlay .sponsor-website-btn {
        background: rgba(255, 255, 255, 0.95) !important;
        color: var(--primary-black) !important;
        border-color: rgba(255, 255, 255, 0.95) !important;
        font-size: 0.75rem !important;
        padding: 6px 12px !important;
        backdrop-filter: blur(10px) !important;
    }
    
    .sponsor-overlay .sponsor-website-btn:hover {
        background: white !important;
        color: var(--primary-black) !important;
        border-color: white !important;
        transform: translateY(-1px) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
    }
    
    .sponsor-overlay .sponsor-website-btn span,
    .sponsor-overlay .sponsor-website-btn i {
        color: inherit !important;
    }
}

.no-sponsors-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.no-sponsors-message p {
    font-size: 1.1rem;
    opacity: 0.7;
}

.sponsors-cta {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sponsors-cta p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.sponsors-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.sponsors-buttons .btn {
    min-width: 200px;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--text-primary);
    border-radius: var(--border-radius-large);
    padding: 3rem 2rem;
    text-align: center;
    transition: all var(--transition-luxury);
    border: 1px solid #f0f0f0;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
    transition: left var(--transition-smooth);
}

.service-card:hover::before {
    left: 100%;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-strong);
    border-color: var(--primary-black);
}

.service-card.featured {
    background: linear-gradient(135deg, var(--primary-black), var(--primary-black-light));
    color: var(--secondary-white);
    transform: translateY(-10px);
    box-shadow: var(--shadow-black);
}

.service-card.featured:hover {
    transform: translateY(-25px);
}

.service-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-black);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-black), var(--primary-black-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    transition: transform var(--transition-fast);
}

.service-card.featured .service-icon {
    background: var(--secondary-white);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(10deg);
}

.service-icon i {
    font-size: 2rem;
    color: var(--secondary-white);
}

.service-card.featured .service-icon i {
    color: var(--primary-black);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--primary-black);
}

.service-card.featured h3 {
    color: var(--secondary-white);
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.service-card.featured p {
    color: var(--secondary-white);
    opacity: 0.8;
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-muted);
    position: relative;
    padding-left: 1.5rem;
}

.service-card.featured .service-features li {
    color: var(--secondary-white);
    opacity: 0.9;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-black);
    font-weight: bold;
}

.service-card.featured .service-features li::before {
    color: var(--secondary-white);
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 8rem 0;
    text-align: center;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.cta-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.6) 0%, 
        rgba(0, 0, 0, 0.4) 100%);
    z-index: 2;
}

.cta-content {
    position: relative;
    z-index: 3;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-items {
    margin: 3rem 0;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2.5rem;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-black), var(--primary-black-light));
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    flex-shrink: 0;
    box-shadow: var(--shadow-black);
}

.contact-icon i {
    font-size: 1.5rem;
    color: var(--secondary-white);
}

.contact-content h4 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--primary-black);
}

.contact-content p {
    color: var(--text-muted);
    margin: 0;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--primary-black);
    color: var(--text-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--text-primary);
    color: var(--primary-black);
    transform: translateY(-5px);
}

/* Contact Form */
.contact-form {
    background: var(--text-primary);
    padding: 3rem;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow-strong);
    border: 1px solid #f0f0f0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-black);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
    background: #fafafa;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-black);
    background: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #e74c3c;
}

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

.field-error {
    color: #e74c3c;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--text-primary);
    border-radius: var(--border-radius-large);
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-strong);
    transform: scale(0.9);
    transition: transform var(--transition-smooth);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--primary-black);
    color: var(--text-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.modal-body {
    padding: 3rem;
}

/* Gallery Section */
.gallery-section {
    position: relative;
    overflow: hidden;
}

.gallery-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="%23000000" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

/* Gallery Filters */
.gallery-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 4rem;
    position: relative;
}

.gallery-filters::before {
    content: '';
    position: absolute;
    bottom: -2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-black), transparent);
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.3);
    color: var(--text-secondary);
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all var(--transition-luxury);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
}

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

.filter-btn:hover::before {
    left: 100%;
}

.filter-btn.active,
.filter-btn:hover {
    background: linear-gradient(135deg, var(--primary-black), var(--primary-black-light));
    color: var(--secondary-white);
    border-color: var(--primary-black);
    transform: translateY(-3px);
    box-shadow: var(--shadow-black);
}

/* Masonry Gallery */
.gallery-masonry {
    columns: 4;
    column-gap: 2rem;
    margin-bottom: 4rem;
}

.gallery-item {
    display: inline-block;
    width: 100%;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: all var(--transition-luxury);
    cursor: pointer;
    position: relative;
    backdrop-filter: blur(20px);
    opacity: 0;
    transform: translateY(30px);
    break-inside: avoid;
}

.gallery-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 0, 0, 0.3);
}

.gallery-item:hover::before {
    opacity: 1;
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0, 0, 0, 0.1) 0%, 
        transparent 50%, 
        rgba(0, 0, 0, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    z-index: 1;
    pointer-events: none;
}

/* Tailles variables pour effet masonry */
.gallery-item.small {
    min-height: 280px;
}

.gallery-item.medium {
    min-height: 320px;
}

.gallery-item.tall {
    min-height: 400px;
}

.gallery-item.extra-tall {
    min-height: 480px;
}

.gallery-item-media {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.gallery-item.content-heavy .gallery-item-media {
    height: 200px;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-luxury);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        rgba(0, 0, 0, 0.7) 0%, 
        transparent 50%, 
        rgba(0, 0, 0, 0.4) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-smooth);
    z-index: 2;
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-play {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-white), var(--text-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0.8);
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-black);
}

.gallery-item:hover .gallery-item-play {
    transform: scale(1);
}

.gallery-item-play i {
    font-size: 1.8rem;
    color: var(--primary-black);
}

.gallery-item-play i.fa-play {
    margin-left: 3px;
}

.gallery-item-type {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.95);
    color: var(--secondary-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    backdrop-filter: blur(10px);
    z-index: 3;
}

.gallery-item-type.video {
    background: linear-gradient(135deg, #333333, #000000);
    color: white;
}

.gallery-item-info {
    padding: 1.5rem;
    flex-grow: 1;
}

.gallery-item.content-heavy .gallery-item-info {
    padding: 2rem 1.5rem;
}

.gallery-item-date {
    font-size: 0.8rem;
    color: var(--text-dark);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.gallery-item-title {
    font-family: 'Rubik', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.gallery-item.content-heavy .gallery-item-title {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.gallery-item-location {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.gallery-item-description {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
    opacity: 0.8;
    margin-top: 1rem;
}

/* Load More Button */
.gallery-load-more {
    text-align: center;
    margin-top: 4rem;
}

.btn-load-more {
    background: linear-gradient(135deg, transparent, rgba(0, 0, 0, 0.1));
    border: 2px solid var(--primary-black);
    color: var(--primary-black);
    padding: 18px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all var(--transition-luxury);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-load-more::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left var(--transition-smooth);
}

.btn-load-more:hover::before {
    left: 100%;
}

.btn-load-more:hover {
    background: linear-gradient(135deg, var(--primary-black), var(--primary-black-light));
    color: var(--secondary-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-black);
}

/* Gallery Modal */
.gallery-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-luxury);
    backdrop-filter: blur(20px);
}

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

.gallery-modal-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95), rgba(10, 10, 10, 0.95));
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.2);
    transform: scale(0.9);
    transition: transform var(--transition-luxury);
    backdrop-filter: blur(20px);
}

.gallery-modal.active .gallery-modal-content {
    transform: scale(1);
}

.gallery-modal-media {
    width: 100%;
    height: 70vh;
    position: relative;
}

.gallery-modal img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-modal iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.gallery-modal-info {
    padding: 2.5rem;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.8), rgba(10, 10, 10, 0.8));
    backdrop-filter: blur(20px);
}

.gallery-modal-title {
    font-family: 'Rubik', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.gallery-modal-details {
    display: flex;
    gap: 3rem;
    margin-bottom: 1.5rem;
}

.gallery-modal-detail {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.gallery-modal-detail strong {
    color: var(--text-primary);
    font-weight: 600;
}

.gallery-modal-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    opacity: 0.9;
}

.gallery-modal-close {
    position: absolute;
    top: 25px;
    right: 25px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-white), var(--text-secondary));
    color: var(--primary-black);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    transition: all var(--transition-fast);
    z-index: 10;
    box-shadow: var(--shadow-black);
}

.gallery-modal-close:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.gallery-modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-white), var(--text-secondary));
    color: var(--primary-black);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    transition: all var(--transition-fast);
    z-index: 10;
    box-shadow: var(--shadow-black);
}

.gallery-modal-nav:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.gallery-modal-nav.prev {
    left: 25px;
}

.gallery-modal-nav.next {
    right: 25px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    :root {
        --section-padding: 80px 0;
    }
    
    .hero-title {
        font-size: clamp(2.5rem, 7vw, 6rem);
    }
    
    .about-grid,
    .contact-grid {
        gap: 3rem;
    }
    
    .gallery-masonry {
        columns: 3;
    }
}

@media (max-width: 992px) {
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(20px);
        z-index: 999;
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(-100%);
        transition: transform var(--transition-smooth);
        opacity: 0;
        visibility: hidden;
    }
    
    .main-nav.mobile-open {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }
    
    .main-nav .nav-link {
        font-size: 1.5rem;
        color: var(--text-primary);
        opacity: 0;
        transform: translateY(20px);
        transition: all var(--transition-fast);
    }
    
    .main-nav.mobile-open .nav-link {
        opacity: 1;
        transform: translateY(0);
    }
    
    /* Dropdown mobile styles */
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 255, 255, 0.1);
        box-shadow: none;
        border-radius: 10px;
        margin-top: 1rem;
        backdrop-filter: blur(10px);
    }
    
    .dropdown-link {
        color: var(--text-primary);
        font-size: 1.2rem;
        padding: 1rem 1.5rem;
        border-left: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .dropdown-link:hover,
    .dropdown-link.active {
        background: rgba(212, 175, 55, 0.2);
        color: var(--accent-color);
    }
    
    .dropdown .nav-link i {
        display: none;
    }
    
    /* Animation séquentielle des liens */
    .main-nav.mobile-open li:nth-child(1) .nav-link { transition-delay: 0.1s; }
    .main-nav.mobile-open li:nth-child(2) .nav-link { transition-delay: 0.2s; }
    .main-nav.mobile-open li:nth-child(3) .nav-link { transition-delay: 0.3s; }
    .main-nav.mobile-open li:nth-child(4) .nav-link { transition-delay: 0.4s; }
    .main-nav.mobile-open li:nth-child(5) .nav-link { transition-delay: 0.5s; }
    .main-nav.mobile-open li:nth-child(6) .nav-link { transition-delay: 0.6s; }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .sponsors-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        align-items: center;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
        --container-padding: 0 15px;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .section-title {
        font-size: clamp(2rem, 6vw, 3rem);
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .youtube-video-container iframe {
        position: absolute;
        top: 50%;
        left: 50%;
        width: 120%;
        height: 120%;
        min-width: 120%;
        min-height: 120%;
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.3;
        border: none !important;
        outline: none !important;
        margin: 0 !important;
        padding: 0 !important;
        box-shadow: none !important;
        background: transparent !important;
        object-fit: cover;
    }
    
    .hero-text {
        padding: 0 15px;
    }
    
    .gallery-masonry {
        columns: 2;
        column-gap: 1.5rem;
    }

    .gallery-filters {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 12px 20px;
        font-size: 0.8rem;
        letter-spacing: 1px;
    }

    .gallery-modal-content {
        max-width: 95vw;
        max-height: 95vh;
    }

    .gallery-modal-media {
        height: 50vh;
    }

    .gallery-modal-info {
        padding: 1.5rem;
    }

    .gallery-modal-details {
        flex-direction: column;
        gap: 0.5rem;
    }

    .gallery-modal-nav {
        width: 50px;
        height: 50px;
    }

    .gallery-modal-nav.prev {
        left: 15px;
    }

    .gallery-modal-nav.next {
        right: 15px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 15px 25px;
        font-size: 0.875rem;
    }
    
    .btn-lg {
        padding: 18px 35px;
    }
    
    .modal-content {
        max-width: 95vw;
    }
    
    .modal-body {
        padding: 2rem;
    }
    
    .hero-stats {
        margin-bottom: 2rem;
    }
    
    .gallery-masonry {
        columns: 1;
    }

    .gallery-item {
        margin-bottom: 1.5rem;
    }

    .gallery-modal-title {
        font-size: 1.5rem;
    }

    .btn-load-more {
        padding: 15px 30px;
        font-size: 0.9rem;
    }
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-weight: 500;
    z-index: 10001;
    max-width: 400px;
    box-shadow: var(--shadow-strong);
    transform: translateX(100%);
    transition: transform var(--transition-smooth);
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: #27ae60;
}

.notification.error {
    background: #e74c3c;
}

.notification.warning {
    background: #f39c12;
}

.notification.info {
    background: #3498db;
}

/* Alert Messages */
.alert {
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    font-weight: 500;
    line-height: 1.4;
}

.alert i {
    margin-right: 0.75rem;
    font-size: 1.1em;
}

.alert-success {
    background: rgba(39, 174, 96, 0.1);
    color: #27ae60;
    border: 1px solid rgba(39, 174, 96, 0.3);
}

.alert-error {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
    border: 1px solid rgba(231, 76, 60, 0.3);
}

.alert-warning {
    background: rgba(243, 156, 18, 0.1);
    color: #f39c12;
    border: 1px solid rgba(243, 156, 18, 0.3);
}

.alert-info {
    background: rgba(52, 152, 219, 0.1);
    color: #3498db;
    border: 1px solid rgba(52, 152, 219, 0.3);
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 1rem !important; }
.mb-2 { margin-bottom: 2rem !important; }
.mb-3 { margin-bottom: 3rem !important; }

/* Focus visible pour l'accessibilité */
.keyboard-navigation *:focus {
    outline: 2px solid var(--primary-black);
    outline-offset: 2px;
}

/* Animations d'entrée */
.animate-in {
    opacity: 1;
    transform: translateY(0) !important;
    transition: all var(--transition-luxury);
}

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
}

/* Loading state */
.loading * {
    cursor: wait;
}

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