/* ============================================
   THEME TOUR DE L'UNIVERS - Thème espace/bleu/violet
   ============================================ */

/* Variables de couleurs spécifiques */
:root {
    --c-space-dark: #0a0e27;
    --c-space-blue: #1a1f3a;
    --c-space-purple: #2d1b4e;
    --c-accent: #667eea;
    --c-accent-light: #764ba2;
    --c-text: #e0e0e0;
    --c-text-light: #ffffff;
}

/* Body avec background gradient espace */
body {
    font-family: 'Work Sans', sans-serif;
    background: linear-gradient(135deg, var(--c-space-dark) 0%, var(--c-space-blue) 50%, var(--c-space-purple) 100%);
    background-attachment: fixed;
    color: var(--c-text);
    min-height: 100vh;
}

/* Header adapté au thème */
header {
    background: rgba(10, 14, 39, 0.95);
    border-bottom: 1px solid rgba(102, 126, 234, 0.3);
}

.nav-links a {
    color: var(--c-text);
}

.nav-links a:hover {
    color: var(--c-accent);
}

.logo {
    color: var(--c-text-light);
    font-family: 'Inter', sans-serif;
}

.logo:hover {
    color: var(--c-accent);
}

/* News Ticker adapté */
.news-ticker {
    background: rgba(10, 14, 39, 0.95);
    border-bottom: 1px solid rgba(102, 126, 234, 0.3);
    border-top: 1px solid rgba(102, 126, 234, 0.3);
}

.ticker-label {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-light));
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.ticker-item a:hover {
    color: var(--c-accent);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 6rem 5% 4rem;
    text-align: center;
    z-index: 1;
    background: radial-gradient(ellipse at center, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
}

.hero-section h1 {
    font-size: 4rem;
    font-weight: 700;
    color: var(--c-text-light);
    margin-bottom: 1rem;
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.02em;
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.5);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--c-text);
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Container et sections */
.container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 5%;
    z-index: 1;
}

.content-section {
    background: rgba(26, 31, 58, 0.6);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.content-section h2 {
    font-size: 2.5rem;
    color: var(--c-text-light);
    margin-bottom: 1.5rem;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.content-section h3 {
    font-size: 1.8rem;
    color: var(--c-accent);
    margin: 2rem 0 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.content-section p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.project-types {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.project-type {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-light));
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: white;
}

/* Encart promotionnel */
.site-promo {
    background: linear-gradient(135deg, var(--c-accent), var(--c-accent-light));
    border-radius: 20px;
    padding: 3rem;
    margin: 4rem 0;
    text-align: center;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.4);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.site-promo h2 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 1rem;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.site-promo p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 2rem;
}

.site-promo .btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: white;
    color: var(--c-accent);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.site-promo .btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

/* Footer adapté */
footer {
    background: rgba(10, 14, 39, 0.95);
    border-top: 1px solid rgba(102, 126, 234, 0.3);
    margin-top: 5rem;
}

.social-links a {
    color: var(--c-text);
}

.social-links a:hover {
    color: var(--c-accent);
}

.copyright {
    color: rgba(224, 224, 224, 0.7);
}

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

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

    .nav-links {
        background: rgba(10, 14, 39, 0.98);
        border-left: 1px solid rgba(102, 126, 234, 0.3);
        border-bottom: 1px solid rgba(102, 126, 234, 0.3);
    }

    .content-section {
        padding: 2rem 1.5rem;
    }

    .site-promo {
        padding: 2rem 1.5rem;
    }

    .site-promo h2 {
        font-size: 2rem;
    }
}