* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #ff0050;
    --secondary: #00d4ff;
    --dark: #1a1f2e;
    --dark-gray: #252b3d;
    --light-gray: #343d54;
    --lighter-gray: #3f4a63;
    --text: #e8eaf0;
    --text-muted: #b0b5c5;
    --card-bg: #2a3247;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Page Sections - Single Page App */
.page-section {
    display: none;
}

.page-section.active {
    display: block;
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(26, 31, 46, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 2px solid var(--primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

nav {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-image {
    height: 50px;
    width: auto;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    position: relative;
    cursor: pointer;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1f2e 0%, #252b3d 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 0, 80, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.15) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 2rem;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease-out;
}

.hero p {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s backwards;
}

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

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.btn {
    padding: 1rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #ff3366);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 0, 80, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 0, 80, 0.6);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 2px solid var(--secondary);
}

.btn-secondary:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

/* Section commune */
section {
    padding: 6rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

/* About Section */
.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid var(--light-gray);
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(255, 0, 80, 0.3);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    margin-top: 0.5rem;
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* News Section */
.news-grid {
    display: grid;
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.news-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid var(--light-gray);
    transition: all 0.3s;
    opacity: 0;
    transform: translateY(20px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.news-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.news-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(255, 0, 80, 0.3);
}

.news-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.news-badge {
    background: linear-gradient(135deg, var(--primary), #ff3366);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.news-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.news-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text);
    line-height: 1.4;
}

.news-content {
    color: var(--text-muted);
    line-height: 1.8;
}

.news-content p {
    margin-bottom: 1rem;
}

.news-content strong {
    color: var(--text);
    font-weight: 600;
}

.news-highlight {
    background: var(--light-gray);
    border-left: 4px solid var(--secondary);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
}

.news-highlight h4 {
    color: var(--secondary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.news-highlight ul {
    list-style: none;
    padding-left: 0;
}

.news-highlight li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.news-highlight li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

.news-questions {
    background: var(--light-gray);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
}

.news-questions h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.news-questions ul {
    list-style: none;
    padding-left: 0;
}

.news-questions li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.news-questions li::before {
    content: '❓';
    position: absolute;
    left: 0;
}

.news-warning {
    background: var(--light-gray);
    border-left: 4px solid #ff9500;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
}

.news-warning h4 {
    color: #ff9500;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.news-warning ul {
    list-style: none;
    padding-left: 0;
}

.news-warning li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.news-warning li::before {
    content: '⚠️';
    position: absolute;
    left: 0;
}

.news-conclusion {
    font-weight: 600;
    color: var(--text);
    margin-top: 1.5rem;
}

.news-follow {
    font-style: italic;
    color: var(--text-muted);
    margin-top: 1rem;
}

.news-welcome {
    font-size: 1.1rem;
    color: var(--text);
    text-align: center;
    margin: 1.5rem 0;
}

.news-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.news-tags span {
    background: var(--light-gray);
    padding: 0.4rem 1rem;
    border-radius: 15px;
    font-size: 0.85rem;
    color: var(--secondary);
}

/* Teams Grid */
.teams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-card {
    background: var(--card-bg);
    padding: 3rem 2rem;
    border-radius: 15px;
    border: 2px solid var(--light-gray);
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.team-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 31, 46, 0.85);
    transition: all 0.3s;
    z-index: 0;
}

.team-card:hover::before {
    background: rgba(26, 31, 46, 0.75);
}

.team-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.team-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 15px 40px rgba(255, 0, 80, 0.4);
}

.team-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.team-name {
    font-size: 1.8rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.team-subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    position: relative;
    z-index: 1;
}

/* Contact Section */
.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: var(--card-bg);
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 0, 80, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
    font-family: inherit;
}

/* Footer */
footer {
    background: var(--dark-gray);
    padding: 3rem 2rem;
    text-align: center;
    border-top: 2px solid var(--primary);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.social-links a {
    font-size: 2rem;
    transition: all 0.3s;
    text-decoration: none;
}

.social-links a:hover {
    transform: translateY(-5px) scale(1.2);
}

footer p {
    color: var(--text-muted);
}

/* Fade In Animation */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.2rem;
    }

    .cta-buttons {
        flex-direction: column;
    }

    nav ul {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .teams-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 1rem;
    }

    .stats {
        grid-template-columns: 1fr;
    }
}