/* ========================================
   STYLES SÉMINAIRES - VERSION MODERNE
   Aligné sur le style global BL-Supplier
======================================== */

/* Hero Section avec vidéo */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    padding: 100px 20px 0;
    overflow: hidden;
}

/* Vidéo en arrière-plan */
.hero-video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.video-overlay-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.4) 0%, rgba(220, 38, 38, 0.3) 100%);
    z-index: 2;
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100vw;
    height: 56.25vw;
    min-height: 100vh;
    min-width: 177.78vh;
    transform: translate(-50%, -50%);
    z-index: 1;
    object-fit: cover;
    /* Amélioration de la qualité */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    filter: contrast(1.1) brightness(1.05) saturate(1.1);
}

/* Contrôle du son personnalisé */
.video-sound-control {
    position: absolute;
    bottom: 30px;
    left: 30px;
    z-index: 10;
}

.sound-btn {
    background: rgba(220, 38, 38, 0.9);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    padding: 15px 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.sound-btn:hover {
    background: var(--primary-red);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(220, 38, 38, 0.4);
}

.sound-btn.active {
    background: rgba(76, 175, 80, 0.9);
    border-color: rgba(76, 175, 80, 0.5);
}

.sound-btn.active:hover {
    background: #4CAF50;
}

.video-fallback {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-red) 0%, #8B0000 50%, var(--black) 100%);
    z-index: 0;
}

/* Contenu Hero */
.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 30px;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    font-family: var(--font-tektur) !important;
}

.title-line {
    display: block;
    text-transform: uppercase;
}

.title-line.accent {
    color: var(--primary-red);
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.4rem;
    line-height: 1.6;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    cursor: pointer;
    animation: bounce 2s infinite;
}

.scroll-arrow i {
    font-size: 2rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.scroll-indicator:hover .scroll-arrow i {
    color: var(--white);
    transform: scale(1.2);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-10px) translateX(-50%);
    }
    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* Section Séminaires */
.seminaires-section {
    padding: 100px 0;
    background: var(--light-gray);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
    font-family: var(--font-tektur) !important;
}

.section-subtitle {
    font-size: 1.3rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Grid des séminaires */
.seminaires-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    align-items: start;
}

/* Cards séminaires */
.seminaire-card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 3px solid transparent;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.seminaire-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.seminaire-card.decouverte {
    border-color: var(--primary-red);
}

.seminaire-card.vip {
    border-color: var(--black);
    background: linear-gradient(135deg, #FFFEF7 0%, var(--white) 100%);
}

.seminaire-card.canton {
    border-color: var(--black);
    background: linear-gradient(135deg, #F0FFF4 0%, var(--white) 100%);
}

.seminaire-card.featured {
    transform: scale(1.05);
    z-index: 2;
}

/* Badge */
.card-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--primary-red);
    color: var(--black);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Header des cards */
.card-header {
    text-align: center;
    margin-bottom: 30px;
}

.card-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-red);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-red);
}

.vip .card-icon {
    background: var(--gradient-dark);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.canton .card-icon {
    background: var(--gradient-dark);
    box-shadow: 0 10px 30px rgba(0, 168, 107, 0.3);
}

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

.card-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 10px;
}

.card-subtitle {
    font-size: 1.1rem;
    color: var(--medium-gray);
    font-weight: 500;
}

/* Contenu des cards */
.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--dark-gray);
    margin-bottom: 30px;
}

/* Features list */
.features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    padding: 15px;
    background: rgba(220, 38, 38, 0.05);
    border-radius: 10px;
    border-left: 4px solid var(--primary-red);
    transition: var(--transition);
}

.features-list li:hover {
    background: rgba(220, 38, 38, 0.1);
    transform: translateX(5px);
}

.features-list i {
    font-size: 1.2rem;
    color: var(--primary-red);
    min-width: 20px;
}

.features-list span {
    font-weight: 500;
    color: var(--dark-gray);
}

/* VIP Highlights */
.vip-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0;
}

.highlight-group {
    background: rgba(255, 215, 0, 0.1);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 15px;
    padding: 20px;
    transition: var(--transition);
}

.highlight-group:hover {
    background: rgba(255, 215, 0, 0.15);
    border-color: var(--black);
    transform: translateY(-3px);
}

.highlight-group h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.highlight-group h4::before {
    content: '⭐';
    font-size: 1.1rem;
}

.highlight-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.highlight-group li {
    padding: 8px 0;
    color: var(--dark-gray);
    font-weight: 500;
    position: relative;
    padding-left: 20px;
}

.highlight-group li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-red);
    font-weight: 700;
}

/* Canton Info */
.canton-info {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: rgba(0, 168, 107, 0.1);
    border-radius: 15px;
    border-left: 4px solid var(--black);
    transition: var(--transition);
}

.info-item:hover {
    background: rgba(0, 168, 107, 0.15);
    transform: translateX(5px);
}

.info-item i {
    font-size: 2rem;
    color: var(--black);
    min-width: 40px;
}

.info-item h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 5px;
}

.info-item p {
    color: var(--dark-gray);
    font-weight: 500;
    line-height: 1.4;
    margin: 0;
}

/* CTA des cards */
.card-cta {
    margin-top: auto;
    padding-top: 20px;
    text-align: center;
}

/* Section Stats */
.stats-section {
    padding: 80px 0;
    background: var(--white);
}

.stats-content {
    text-align: center;
}

.stats-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 60px;
    color: var(--black);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--primary-red);
    display: block;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Section CTA */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-red) 0%, #8B0000 50%, var(--black) 100%);
    color: var(--white);
    position: relative;
}

.cta-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="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 30px;
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-text {
    font-size: 1.3rem;
    line-height: 1.7;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .seminaires-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 30px;
    }
    
    .seminaire-card.featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .seminaires-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .seminaire-card {
        padding: 30px 20px;
    }
    
    .card-title {
        font-size: 1.8rem;
    }
    
    .vip-highlights {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
    
    .cta-title {
        font-size: 2.5rem;
    }
    
    .cta-text {
        font-size: 1.1rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn-primary,
    .cta-actions .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 80vh;
        padding: 80px 15px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .seminaires-section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .seminaire-card {
        padding: 25px 15px;
        margin: 0 10px;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
    }
    
    .card-icon i {
        font-size: 1.5rem;
    }
    
    .card-title {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .cta-section {
        padding: 80px 0;
    }
    
    .cta-title {
        font-size: 2rem;
    }
}

/* Animations pour les compteurs */
.stat-number {
    counter-reset: num var(--num);
}

.stat-number::after {
    content: counter(num);
    animation: counter 2s ease-out forwards;
}

@keyframes counter {
    from {
        --num: 0;
    }
    to {
        --num: var(--target);
    }
}