/* ==========================================
   HOUTRIM - FEUILLE DE STYLE PRINCIPALE
   
   TABLE DES MATIERES:
   1. Variables CSS (couleurs, polices)
   2. Reset & Base
   3. Utilitaires
   4. Header & Navigation
   5. Hero Section
   6. Features Section
   7. Image Section
   8. Pricing Section
   9. CTA Section
   10. Footer
   11. Responsive
   12. Animations
   ========================================== */

/* ==========================================
   1. VARIABLES CSS
   ====================================
   MODIFIEZ LES COULEURS ICI FACILEMENT
   ========================================== */
:root {
    /* Couleurs principales */
    --color-primary: #0B1E3B;      /* Bleu marine profond */
    --color-accent: #0EA5E9;       /* Cyan/Bleu clair */
    --color-signal: #FF6B35;       /* Orange signal */
    --color-success: #10B981;      /* Vert succès */
    
    /* Couleurs de fond - Mode clair */
    --bg-primary: #F0F4F8;
    --bg-secondary: #FFFFFF;
    --bg-card: #FFFFFF;
    
    /* Couleurs de texte - Mode clair */
    --text-primary: #0B1E3B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    
    /* Bordures */
    --border-color: #E2E8F0;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    
    /* Ombres */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
    
    /* Polices */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
}

/* Mode sombre */
[data-theme="dark"] {
    --bg-primary: #050C1A;
    --bg-secondary: #0B1E3B;
    --bg-card: rgba(11, 30, 59, 0.5);
    
    --text-primary: #FFFFFF;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    --border-color: rgba(148, 163, 184, 0.2);
}

/* ==========================================
   2. RESET & BASE
   ========================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* ==========================================
   3. UTILITAIRES
   ========================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-accent {
    color: var(--color-accent);
}

.text-signal {
    color: var(--color-signal);
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--color-signal);
    color: white;
    border-color: var(--color-signal);
}

.btn-primary:hover {
    background: #E85A2A;
    border-color: #E85A2A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background: #163A5F;
    transform: translateY(-2px);
}

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

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

.btn-outline-white {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

.btn-theme {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
}

.btn-theme:hover {
    background: var(--border-color);
}

/* ==========================================
   4. HEADER & NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

[data-theme="dark"] .header {
    background: rgba(5, 12, 26, 0.8);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 60px;
    width: auto;
}

.nav-desktop {
    display: flex;
    gap: 2.5rem;
}

.nav-desktop a {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

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

.header-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-mobile-menu {
    display: none;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 1.25rem;
    cursor: pointer;
}

/* Menu Mobile */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-primary);
    z-index: 2000;
    transition: right 0.3s ease;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    padding: 2rem;
}

.mobile-menu-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 4rem;
}

.mobile-nav a {
    font-size: 1.125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
}

/* ==========================================
   5. HERO SECTION
   ========================================== */
.hero {
    padding: 8rem 0 4rem;
    background: var(--bg-primary);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(14, 165, 233, 0.1);
    color: var(--color-accent);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

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

.hero-image {
    max-width: 900px;
    margin: 0 auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-color);
}

.hero-image img {
    width: 100%;
    height: auto;
}

/* Stats Row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ==========================================
   6. FEATURES SECTION
   ========================================== */
.features {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-signal);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================
   7. IMAGE SECTION
   ========================================== */
.image-section {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.image-background {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--color-primary), rgba(11, 30, 59, 0.7), transparent);
}

.image-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 3rem;
    max-width: 600px;
}

.image-content h3 {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.image-content p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* ==========================================
   8. PRICING SECTION
   ========================================== */
.pricing {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

.pricing-card {
    position: relative;
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.pricing-popular {
    background: var(--color-primary);
    border-color: var(--color-accent);
    border-width: 2px;
    transform: scale(1.05);
    z-index: 1;
}

.pricing-popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem 1.5rem;
    background: var(--color-signal);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 50px;
}

.pricing-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.pricing-popular .pricing-name {
    color: white;
}

.pricing-description {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.pricing-popular .pricing-description {
    color: rgba(255, 255, 255, 0.7);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.price-value {
    font-family: monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pricing-popular .price-value {
    color: var(--color-accent);
}

.price-period {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.pricing-features {
    margin-bottom: 2rem;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pricing-popular .pricing-features li {
    color: rgba(255, 255, 255, 0.8);
}

.pricing-features i {
    color: var(--color-success);
    font-size: 0.875rem;
}

/* ==========================================
   9. CTA SECTION
   ========================================== */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #163A5F 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-icon {
    font-size: 4rem;
    color: var(--color-accent);
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
}

.cta h2 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

.cta p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: white;
    font-size: 1.125rem;
}

.contact-item i {
    color: var(--color-accent);
}

.contact-item:hover {
    color: var(--color-accent);
}

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

/* ==========================================
   10. FOOTER
   ========================================== */
.footer {
    padding: 3rem 0;
    background: #050C1A;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

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

.footer-copyright {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-links a:hover {
    color: white;
}

/* ==========================================
   11. RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .pricing-popular {
        transform: none;
    }
    
    .pricing-popular:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }
    
    .header-buttons .btn-primary {
        display: none;
    }
    
    .btn-mobile-menu {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .stats-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .image-section {
        height: 400px;
    }
    
    .image-content {
        padding: 0 1.5rem;
    }
    
    .image-content h3 {
        font-size: 1.75rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 1rem;
    }
}

/* ==========================================
   12. ANIMATIONS
   ========================================== */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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