/* Variables CSS */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --gold-color: #f39c12;
    --light-bg: #ecf0f1;
    --dark-text: #2c3e50;
    --light-text: #7f8c8d;
    --white: #ffffff;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.main-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.main-header .container {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 2rem;
}

.logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.tagline {
    font-size: 0.9rem;
    opacity: 0.9;
    font-style: italic;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-nav a {
    color: var(--white);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.search-box {
    display: flex;
    gap: 0.5rem;
    justify-self: end;
}

.search-box input {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    backdrop-filter: blur(10px);
    min-width: 200px;
}

.search-box input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-box button {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--gold-color);
    color: var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.search-box button:hover {
    background-color: #e67e22;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(52, 152, 219, 0.8)),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 300"><path fill="%23f39c12" opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1008,192,1032,224L1056,256L1056,320L1032,320C1008,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"/></svg>');
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.hero h2 {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-text {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat .number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--gold-color);
    margin-bottom: 0.5rem;
}

.stat .label {
    font-size: 1rem;
    opacity: 0.9;
}

/* Timeline */
.timeline-overview {
    padding: 4rem 0;
    background-color: var(--light-bg);
}

.timeline-overview h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--secondary-color), var(--gold-color));
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    width: 50%;
    padding: 0 2rem;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-marker {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: var(--gold-color);
    border-radius: 50%;
    top: 0;
    border: 4px solid var(--white);
    box-shadow: var(--shadow);
}

.timeline-item:nth-child(odd) .timeline-marker {
    right: -12px;
}

.timeline-item:nth-child(even) .timeline-marker {
    left: -12px;
}

.timeline-content {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.timeline-content h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.btn-timeline {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.5rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.btn-timeline:hover {
    background-color: var(--primary-color);
}

/* Featured Kevins */
.featured-kevins {
    padding: 4rem 0;
    background-color: var(--white);
}

.featured-kevins h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.kevin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.kevin-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid #e1e8ed;
}

.kevin-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.kevin-avatar {
    font-size: 3rem;
    margin-bottom: 1rem;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--secondary-color), var(--gold-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem auto;
}

.kevin-card h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.kevin-period {
    color: var(--gold-color);
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.btn-kevin {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-weight: 500;
}

.btn-kevin:hover {
    background-color: #c0392b;
}

.hidden-kevin {
    display: none;
    opacity: 0;
    transform: scale(0.8);
}

.hidden-kevin.revealed {
    display: block;
    animation: revealKevin 0.5s ease forwards;
}

@keyframes revealKevin {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.show-more {
    text-align: center;
}

.btn-show-more {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

.btn-show-more:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Quick Facts */
.quick-facts {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--light-bg) 0%, #d5dbdb 100%);
}

.quick-facts h3 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

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

.fact-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--gold-color);
}

.fact-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.fact-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.fact-card h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Footer */
.main-footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--gold-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--gold-color);
}

.easter-egg {
    cursor: pointer;
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: 1rem;
    transition: var(--transition);
}

.easter-egg:hover {
    opacity: 1;
    color: var(--gold-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    text-align: center;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-header .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 1rem;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .search-box {
        justify-self: center;
    }
    
    .search-box input {
        min-width: 150px;
    }
    
    .hero h2 {
        font-size: 2.5rem;
    }
    
    .hero-text {
        font-size: 1rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0;
        text-align: left;
        padding-left: 4rem;
    }
    
    .timeline-item:nth-child(odd) {
        text-align: left;
    }
    
    .timeline-marker {
        left: 12px !important;
        right: auto !important;
    }
    
    .kevin-grid {
        grid-template-columns: 1fr;
    }
    
    .facts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .logo h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .timeline-overview h3,
    .featured-kevins h3,
    .quick-facts h3 {
        font-size: 2rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Page spécifique - styles communs */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 2rem 0;
    text-align: center;
}

.page-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.page-content {
    padding: 3rem 0;
    max-width: 1000px;
    margin: 0 auto;
}

.section {
    margin-bottom: 3rem;
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--gold-color);
    padding-bottom: 0.5rem;
}

.character-profile {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    align-items: start;
    margin: 2rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.05) 0%, rgba(243, 156, 18, 0.05) 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--gold-color);
}

.character-avatar {
    font-size: 4rem;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--secondary-color), var(--gold-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.character-info h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.character-dates {
    color: var(--gold-color);
    font-weight: bold;
    margin-bottom: 1rem;
}

.character-specialty {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 1rem;
}

/* Navigation breadcrumb */
.breadcrumb {
    background-color: var(--light-bg);
    padding: 1rem 0;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.breadcrumb-nav a {
    color: var(--secondary-color);
    text-decoration: none;
}

.breadcrumb-nav a:hover {
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--light-text);
}