/* Thème avec barre latérale */
:root {
    --primary-color: #7c3aed;
    --primary-dark: #6d28d9;
    --secondary-color: #06b6d4;
    --accent-color: #f59e0b;
    --bg-page: #f8fafc;
    --bg-muted: #eef2f7;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --sidebar-bg: #0f172a;
    --sidebar-text: #e2e8f0;
    --success-color: #16a34a;
    --error-color: #dc2626;
    --warning-color: #f59e0b;
    --hero-bg-image: url('../img/hero-bg.jpg');
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.65;
    overflow-x: hidden;
    margin-left: 260px;
}

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

/* Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    z-index: 1000;
    border-right: 1px solid rgba(255,255,255,0.06);
}

.navbar { height: 100%; padding: 2rem 0; }

.nav-container {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 2rem;
    padding: 0 1.25rem;
}

.nav-logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.25rem;
}

.nav-logo .subtitle { font-size: 0.8rem; color: #cbd5e1; font-weight: 400; }

.nav-menu {
    display: flex;
    flex-direction: column;
    list-style: none;
    gap: 0.75rem;
    width: 100%;
}

.nav-menu a {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 0.75rem;
    border-radius: 8px;
    transition: background 0.2s ease, color 0.2s ease;
}
.nav-menu a:hover { background: rgba(255,255,255,0.06); color: #ffffff; }

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

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

.nav-menu a:hover::after {
    width: 100%;
}

.hamburger { display: none; }

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(135deg, rgba(124,58,237,0.06) 0%, rgba(6,182,212,0.06) 100%);
    background-size: cover;
    background-position: center;
    padding-top: 40px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(1200px 600px at 20% 10%, rgba(99,102,241,0.15), transparent 60%);
    pointer-events: none;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    width: 100%;
    max-width: 560px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.45);
    border: 1px solid rgba(255,255,255,0.08);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--primary-color);
}

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

section h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.services { position: relative; background: var(--bg-muted); }

.service-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-5px);
    background: var(--bg-card-hover);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.2);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.service-icon i {
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Pricing */
.pricing { background: var(--bg-page); }

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

.pricing-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.pricing-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 2rem;
    text-align: left;
}

.pricing-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.pricing-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

/* Contact */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact {
    background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.04) 1px, transparent 0);
    background-size: 18px 18px;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.contact-item i {
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-right: 1rem;
    width: 20px;
}

.contact-item span {
    color: var(--text-secondary);
}

/* Form */
.contact-form {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #ffffff;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Messages de succès et d'erreur */
.success-message {
    background: var(--success-color);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.1);
}

.error-message {
    background: var(--error-color);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.1);
}

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

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

.footer-section h3,
.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p,
.footer-section li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 992px) {
    body { margin-left: 0; }
    .header { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--border-color); }
    .navbar { padding: 1rem 0; }
    .nav-container { flex-direction: row; align-items: center; justify-content: space-between; gap: 1rem; }
    .nav-menu { display: none; flex-direction: column; background: var(--bg-card); position: absolute; top: 100%; left: 0; right: 0; padding: 1rem; border-top: 1px solid var(--border-color); }
    .hamburger { display: flex; flex-direction: column; cursor: pointer; }
    .hamburger span { width: 25px; height: 3px; background: var(--text-primary); margin: 3px 0; transition: 0.3s; }
    .nav-menu.active { display: flex; }
    .hero { padding-top: 80px; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .service-card,
    .pricing-card {
        padding: 1.5rem;
    }
}

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

.service-card,
.pricing-card {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}