/* SPACETEC ENG - Design moderne 2024 */

:root {
    --primary: #0A4DA2;
    --primary-dark: #083d8a;
    --primary-light: #1E88E5;
    --secondary: #6C63FF;
    --accent: #FF6B6B;
    --success: #4CAF50;
    --warning: #FFC107;
    --danger: #F44336;
    --dark: #2D3748;
    --light: #F7FAFC;
    --gray: #718096;
    --gray-light: #E2E8F0;
    
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark) 0%, #1A202C 100%);
    --gradient-accent: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--light);
}

/* Typographie moderne */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.display-1 {
    font-size: 4.5rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.display-2 {
    font-size: 3.5rem;
    font-weight: 700;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navbar moderne */
.navbar-modern {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    padding: 1rem 0;
    transition: var(--transition);
}

.navbar-modern.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-lg);
}

.navbar-brand-modern {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.8rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link-modern {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
}

.nav-link-modern::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link-modern:hover::after,
.nav-link-modern.active::after {
    width: 80%;
}

/* Hero section avec effet parallax */
.hero-parallax {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(rgba(10, 77, 162, 0.9), rgba(30, 136, 229, 0.8));
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    transform: scale(1.1);
    transition: transform 10s ease;
    background-image: url('assets/images/hero-bg.jpg');
}

.hero-parallax:hover .hero-background {
    transform: scale(1);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

/* Cartes modernes */
.card-modern {
    background: white;
    border: none;
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
    height: 100%;
}

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

.card-image {
    height: 250px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.card-modern:hover .card-image img {
    transform: scale(1.1);
}

.card-body-modern {
    padding: 2rem;
}

/* Badges modernes */
.badge-modern {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    gap: 0.5rem;
}

.badge-primary-modern {
    background: var(--gradient-primary);
    color: white;
}

.badge-accent-modern {
    background: var(--gradient-accent);
    color: white;
}

/* Boutons modernes */
.btn-modern {
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    border: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    z-index: -1;
}

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

.btn-primary-modern {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(10, 77, 162, 0.3);
}

.btn-outline-modern {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline-modern:hover {
    background: var(--primary);
    color: white;
}

/* Section avec fond gradient */
.section-gradient {
    background: var(--gradient-primary);
    color: white;
    position: relative;
    overflow: hidden;
}

.section-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

/* Gallery moderne */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: var(--transition);
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Statistiques */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.stat-card {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

/* Timeline moderne */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -0.5rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Formulaires modernes */
.form-modern .form-control {
    padding: 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius);
    transition: var(--transition);
    background: white;
}

.form-modern .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(10, 77, 162, 0.1);
    outline: none;
}

.form-modern .form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

/* Footer moderne */
.footer-modern {
    background: var(--gradient-dark);
    color: white;
    position: relative;
    overflow: hidden;
}

.footer-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-light), transparent);
}

.footer-links a {
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    margin-bottom: 0.5rem;
}

.footer-links a:hover {
    color: white;
    padding-left: 0.5rem;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Loader moderne */
.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--gray-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .display-1 { font-size: 3rem; }
    .display-2 { font-size: 2.5rem; }
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-container {
        grid-template-columns: 1fr;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1A202C;
        color: #E2E8F0;
    }
    
    .card-modern {
        background: #2D3748;
        color: #E2E8F0;
    }
    
    .form-modern .form-control {
        background: #2D3748;
        border-color: #4A5568;
        color: #E2E8F0;
    }
}