@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Outfit:wght@500;700;800;900&display=swap');

/* variables de design system */
:root {
    --bg-main: #0b0f19;
    --bg-surface: #131b2e;
    --bg-card: rgba(22, 30, 49, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --primary: #0ea5e9;
    --primary-hover: #38bdf8;
    --primary-glow: rgba(14, 165, 233, 0.4);
    
    --accent: #f59e0b;
    --accent-hover: #fbbf24;
    --accent-glow: rgba(245, 158, 11, 0.4);
    
    --success: #22c55e;
    --success-hover: #4ade80;
    --success-glow: rgba(34, 197, 94, 0.4);
    
    --danger: #ef4444;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 9999px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset de base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-main);
    color: var(--text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: 1.25;
}

/* Utilitaires de conteneur */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-b: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-fast);
}

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

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #0284c7 100%);
    color: var(--text-primary);
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    background: linear-gradient(135deg, var(--primary-hover) 0%, #0369a1 100%);
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent) 0%, #d97706 100%);
    color: var(--text-primary);
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
    background: linear-gradient(135deg, var(--accent-hover) 0%, #b45309 100%);
}

.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #16a34a 100%);
    color: var(--text-primary);
    box-shadow: 0 4px 14px var(--success-glow);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--success-glow);
    background: linear-gradient(135deg, var(--success-hover) 0%, #15803d 100%);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 6rem 0 5rem 0;
    text-align: center;
    background: radial-gradient(circle at top center, rgba(14, 165, 233, 0.15) 0%, transparent 60%);
    border-bottom: 1px solid var(--border-color);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--accent);
    border: 1px solid rgba(245, 158, 11, 0.2);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero h1 span {
    background: linear-gradient(135deg, var(--primary) 0%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem auto;
}

.hero-cta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background-color: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Services / Prestations Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(14, 165, 233, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background-color: rgba(14, 165, 233, 0.1);
    color: var(--primary);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    background-color: var(--primary);
    color: var(--bg-main);
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* About / À Propos Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-info h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-info p {
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-features {
    list-style: none;
    margin-top: 1.5rem;
}

.about-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-weight: 500;
}

.about-features svg {
    color: var(--primary);
    flex-shrink: 0;
}

.about-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.about-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    z-index: -1;
    opacity: 0.15;
}

.bio-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.bio-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 2rem;
    font-family: var(--font-heading);
    font-weight: 800;
    border: 2px solid var(--border-color);
}

.bio-title h4 {
    font-size: 1.4rem;
    font-weight: 800;
}

.bio-title p {
    color: var(--accent);
    font-weight: 600;
    font-size: 0.9rem;
    margin: 0;
}

/* Contact / Call-to-action */
.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
}

.contact-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
}

textarea.form-input {
    resize: vertical;
    min-height: 120px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: var(--transition-normal);
}

.info-item:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.info-item h4 {
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-item a, .info-item p {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.info-item a:hover {
    color: var(--primary);
}

.info-item .link-whatsapp:hover {
    color: var(--success);
}

/* Footer */
.footer {
    background-color: var(--bg-main);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    text-align: center;
}

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

/* Mobile responsive et Hamburger Menu */
.menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-btn svg {
    color: var(--text-primary);
}

/* Responsiveness Media Queries */
@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
        max-width: 380px;
        margin: 0 auto;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .nav-links {
        display: none; /* simple hidden links on mobile since we prioritize direct Call/WhatsApp CTAs */
    }
    
    .nav-wrapper {
        justify-content: center;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
}

/* Modal Overlay */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(9, 13, 22, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    max-width: 650px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--primary);
}

.modal-body p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}