/* ============================================
   Optimisations Performance
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Optimisation des images */
img {
    max-width: 100%;
    height: auto;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    image-rendering: auto;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
}

/* ============================================
   Variables et Reset
   ============================================ */
:root {
    /* Palette moderne et vibrante */
    --color-primary: #0f172a;      /* Bleu nuit profond */
    --color-secondary: #f59e0b;    /* Ambre vif */
    --color-accent: #ef4444;       /* Rouge vif */
    --color-success: #10b981;      /* Vert émeraude */
    --color-dark: #020617;         /* Noir profond */
    --color-light: #f1f5f9;        /* Gris perle */
    --color-white: #ffffff;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-glass: rgba(255, 255, 255, 0.7);
    
    /* Dégradés dynamiques */
    --color-gradient-primary: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
    --color-gradient-secondary: linear-gradient(135deg, #f59e0b 0%, #fbbf24 50%, #f59e0b 100%);
    --color-gradient-accent: linear-gradient(135deg, #ef4444 0%, #f97316 100%);
    --color-gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a5f 25%, #0c4a6e 50%, #1e3a5f 75%, #0f172a 100%);
    --color-gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.7) 100%);
    --color-gradient-mesh: radial-gradient(at 40% 20%, #f59e0b33 0px, transparent 50%), 
                           radial-gradient(at 80% 0%, #0f172a22 0px, transparent 50%),
                           radial-gradient(at 0% 50%, #ef444422 0px, transparent 50%);
    
    /* Typographie distinctive */
    --font-primary: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Transitions fluides */
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Ombres modernes */
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-colored: 0 10px 40px -10px rgba(245, 158, 11, 0.5);
    --shadow-glow: 0 0 40px rgba(245, 158, 11, 0.3);
    
    /* Bordures arrondies */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 28px;
    --border-radius-full: 9999px;
}


html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-secondary);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--color-white);
    background-image: var(--color-gradient-mesh);
    background-attachment: fixed;
}

/* Titres avec police distinctive */
h1, h2, h3, h4, h5, h6, .section-title, .hero-title {
    font-family: var(--font-primary);
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
    z-index: 1000;
    padding: 0.8rem 0;
    transition: var(--transition);
    will-change: transform, box-shadow, padding;
}

.navbar.scrolled {
    padding: 0.6rem 0;
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.95);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 1rem;
    transition: var(--transition);
}

.logo-img {
    height: 65px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.12));
}

.navbar.scrolled .logo-img {
    height: 55px;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 1.8px;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.navbar.scrolled .logo-text {
    font-size: 1.2rem;
    letter-spacing: 1.5px;
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3)) brightness(1.1) contrast(1.15);
}

.logo-link:hover .logo-text {
    color: var(--color-secondary);
    transform: translateX(5px);
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-menu li {
    margin: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-family: var(--font-primary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.6rem 1rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.35rem;
    white-space: nowrap;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 2px;
    background: var(--color-secondary);
    transition: var(--transition-fast);
    border-radius: 2px;
    transform-origin: center;
}

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

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(0.6);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.nav-link.active::after {
    transform: translateX(-50%) scaleX(0.6);
}

/* Dropdown menu */
.nav-dropdown {
    position: relative;
}

.nav-arrow {
    transition: var(--transition-fast);
}

.nav-dropdown:hover .nav-arrow {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: 8px;
    transition: var(--transition-fast);
}

.nav-dropdown-link:hover {
    background: var(--color-light);
    color: var(--color-primary);
}

/* CTA Button in nav */
.nav-cta-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.25rem;
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--border-radius-full);
    transition: var(--transition);
    box-shadow: var(--shadow);
    margin-left: 1rem;
}

.nav-cta-btn:hover {
    background: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-cta-btn svg {
    transition: var(--transition-fast);
}

.nav-cta-btn:hover svg {
    transform: translateX(3px);
}

/* Bouton téléphone dans le header */
.nav-phone-btn {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-gradient-secondary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(244, 162, 97, 0.3);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    margin-left: 1rem;
    margin-right: 0;
    isolation: isolate;
    contain: layout style paint;
}

.nav-phone-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
    z-index: 0;
    pointer-events: none;
}

.nav-phone-btn:hover::before {
    width: 200px;
    height: 200px;
    max-width: 200px;
    max-height: 200px;
}

.nav-phone-btn svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
    fill: none;
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

.nav-phone-btn span {
    position: relative;
    z-index: 1;
    letter-spacing: 0.3px;
}

.nav-phone-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(244, 162, 97, 0.35), 0 0 15px rgba(244, 162, 97, 0.15);
    background: var(--color-gradient-accent);
}

.nav-phone-btn:hover svg {
    transform: rotate(15deg) scale(1.1);
}

.nav-phone-btn:active {
    transform: translateY(0) scale(1.02);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    padding: 0.6rem;
    z-index: 1001;
    position: relative;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.hamburger:hover {
    background: rgba(26, 58, 95, 0.05);
}

.hamburger span {
    width: 28px;
    height: 3px;
    background: var(--color-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 3px;
    transform-origin: center;
}

.hamburger.active {
    background: rgba(244, 162, 97, 0.1);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(9px, 9px);
    background: var(--color-secondary);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(9px, -9px);
    background: var(--color-secondary);
}

/* ============================================
   Container
   ============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(244, 162, 97, 0.1) 50%, transparent 100%);
    pointer-events: none;
}

.navbar .container {
    padding: 0 2rem;
}

.navbar .nav-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

/* ============================================
   Sections
   ============================================ */
.section {
    display: none;
    padding: 8rem 0 6rem;
    min-height: 100vh;
    animation: fadeInSection 0.6s ease-out;
}

.section.active {
    display: block;
}

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

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 1rem;
    position: relative;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.section-title-accent {
    color: var(--color-secondary);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--color-secondary);
    border-radius: var(--border-radius-full);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 1.5rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    color: var(--color-white);
    padding: 8rem 2rem 6rem;
    text-align: center;
    margin-top: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-gradient-hero);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('SOLEST image/Revêtement sols en résine/marquage.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
    animation: parallax 20s ease-in-out infinite;
}

@keyframes parallax {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(2, 6, 23, 0.9) 100%);
    z-index: 1;
}

/* Particules animées dans le hero */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(245, 158, 11, 0.3) 0%, transparent 100%),
        radial-gradient(2px 2px at 40px 70px, rgba(255, 255, 255, 0.2) 0%, transparent 100%),
        radial-gradient(2px 2px at 50px 160px, rgba(245, 158, 11, 0.2) 0%, transparent 100%),
        radial-gradient(2px 2px at 90px 40px, rgba(255, 255, 255, 0.15) 0%, transparent 100%),
        radial-gradient(2px 2px at 130px 80px, rgba(245, 158, 11, 0.25) 0%, transparent 100%);
    background-size: 200px 200px;
    animation: sparkle 8s linear infinite;
    z-index: 2;
    pointer-events: none;
}

@keyframes sparkle {
    0% { opacity: 0.5; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(-10px); }
    100% { opacity: 0.5; transform: translateY(0); }
}

.hero-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(244, 162, 97, 0.15) 0%, transparent 50%);
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 3;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.hero-badge span {
    color: var(--color-secondary);
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -1px;
    color: var(--color-white);
}

.hero-title-accent {
    color: var(--color-secondary);
    display: inline-block;
    position: relative;
}

.hero-title-accent::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--color-secondary);
    opacity: 0.3;
    border-radius: 4px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.7;
    font-weight: 400;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

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

/* Hero stats bar */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stat-number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.5rem;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: var(--border-radius-full);
    font-family: var(--font-primary);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(3px);
}

.btn-primary {
    background: var(--color-secondary);
    color: var(--color-primary);
    box-shadow: var(--shadow-colored);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    background: #fbbf24;
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary:active {
    transform: translateY(-1px);
}

/* Bouton sombre pour les fonds clairs */
.btn-dark {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow);
}

.btn-dark:hover {
    background: var(--color-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--color-white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    background: var(--color-light);
    border-radius: var(--border-radius);
    margin: 0 auto 1.25rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--color-secondary);
}
    transform: scale(1.2) rotate(5deg);
}

.feature-card h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    text-transform: uppercase;
}

.feature-card p {
    color: var(--color-text-light);
}

/* ============================================
   Stats Section
   ============================================ */
.stats-section {
    background: linear-gradient(135deg, rgba(248, 249, 250, 0.8) 0%, rgba(255, 255, 255, 0.9) 100%);
    padding: 5rem 0;
    margin-top: 2rem;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(244, 162, 97, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-20px, -20px) rotate(180deg); }
}

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

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

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition);
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
}

.stat-label {
    color: var(--color-text);
    font-weight: 500;
}

/* ============================================
   Services Preview Section (Accueil)
   ============================================ */
.services-preview-section {
    padding: 5rem 0;
    margin-top: 0;
    background: var(--color-light);
    position: relative;
}

.services-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.service-preview-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.service-preview-icon-wrapper {
    margin-bottom: 1.5rem;
}

.service-preview-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    background: var(--color-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.service-preview-card:hover .service-preview-icon {
    background: var(--color-secondary);
    transform: scale(1.05);
}

.service-preview-card h3 {
    color: var(--color-primary);
    margin: 0 0 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
}

.service-preview-link {
    color: var(--color-primary);
    text-decoration: none;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

.service-preview-link svg {
    transition: var(--transition-fast);
    width: 16px;
    height: 16px;
}

.service-preview-link:hover {
    color: var(--color-secondary);
}

.service-preview-link:hover svg {
    transform: translateX(4px);
}

.services-preview-cta {
    text-align: center;
    margin-top: 3rem;
}

/* ============================================
   About Preview Section (Accueil)
   ============================================ */
.about-preview-section {
    padding: 5rem 0;
    margin-top: 0;
    background: var(--color-white);
    position: relative;
}

.about-preview-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-preview-text h2 {
    margin-bottom: 2rem;
}

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

.about-preview-text p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-preview-text .btn {
    margin-top: 1rem;
}

.about-preview-image {
    background: var(--color-gradient-primary);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-xl), 0 0 50px rgba(26, 58, 95, 0.3);
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(244, 162, 97, 0.2);
}

.about-preview-image::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(244, 162, 97, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.about-preview-stats {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    position: relative;
    z-index: 1;
}

.about-stat-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.about-stat-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-secondary);
}

.about-stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-stat-label {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   Contact Preview Section (Accueil)
   ============================================ */
.contact-preview-section {
    padding: 5rem 0;
    margin-top: 2rem;
    background: var(--color-white);
    position: relative;
}

.contact-preview-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-secondary), transparent);
}

.contact-preview-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.contact-preview-header {
    text-align: center;
    margin-bottom: 3rem;
}

.contact-preview-header h2 {
    margin-bottom: 1rem;
}

.contact-preview-form {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 249, 250, 0.9) 100%);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(244, 162, 97, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.contact-preview-form label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.contact-preview-form input,
.contact-preview-form select,
.contact-preview-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(26, 58, 95, 0.1);
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-white);
}

.contact-preview-form input:focus,
.contact-preview-form select:focus,
.contact-preview-form textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(244, 162, 97, 0.1);
}

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

.btn-large {
    width: 100%;
    padding: 1.2rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1rem;
}

/* Responsive pour About Preview */
@media (max-width: 968px) {
    .about-preview-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-preview-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .about-stat-item {
        flex: 1;
        min-width: 150px;
    }
}

/* Responsive pour Contact Preview */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .contact-preview-form {
        padding: 2rem 1.5rem;
    }
}

/* ============================================
   Services Section
   ============================================ */
.services-grid {
    display: grid;
    gap: 3rem;
    margin-top: 3rem;
}

.service-card {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 0;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid rgba(244, 162, 97, 0.1);
    position: relative;
    backdrop-filter: blur(10px);
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover::after {
    transform: scaleX(1);
}

.service-card:hover {
    box-shadow: var(--shadow-xl), 0 0 40px rgba(244, 162, 97, 0.15);
    transform: translateY(-10px);
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, #ffffff 0%, #fefefe 100%);
}

.service-image {
    background: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.service-image {
    height: 350px;
    min-height: 350px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

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

.placeholder-image {
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    color: var(--color-white);
}

.placeholder-image.large {
    height: 300px;
}

.service-content {
    padding: 2rem;
}

.service-content h3 {
    color: var(--color-primary);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.service-content p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-features {
    list-style: none;
    padding: 0;
}

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

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
}

.service-link {
    margin-top: 1.5rem;
    display: inline-block;
    font-size: 0.95rem;
    padding: 0.8rem 1.5rem;
}

.service-link.btn-secondary {
    background: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.service-link.btn-secondary:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
}

/* ============================================
   Résine détaillée Section
   ============================================ */
.resine-content {
    max-width: 1000px;
    margin: 0 auto;
}

.resine-intro {
    background: var(--color-light);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 3rem;
    border-left: 5px solid var(--color-secondary);
}

.resine-intro-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.resine-intro p {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.1rem;
}

.resine-systems {
    margin-bottom: 4rem;
}

.resine-systems h3 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 2.5rem;
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--color-secondary);
}

.system-category {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--color-primary);
}

.system-category:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-secondary);
}

.system-category h4 {
    color: var(--color-primary);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.system-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.system-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--color-text);
    line-height: 1.6;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.system-list li:last-child {
    border-bottom: none;
}

.system-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

.resine-advantages {
    background: linear-gradient(135deg, rgba(26, 58, 95, 0.05), rgba(244, 162, 97, 0.05));
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 4rem;
}

.resine-advantages h3 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.resine-advantages h4 {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.resine-advantages p {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.application-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.application-list li {
    padding: 1rem;
    background: var(--color-white);
    border-radius: var(--border-radius);
    color: var(--color-text);
    box-shadow: var(--shadow);
    position: relative;
    padding-left: 2.5rem;
    transition: var(--transition);
}

.application-list li::before {
    content: '✓';
    position: absolute;
    left: 1rem;
    color: var(--color-secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

.application-list li:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: var(--color-light);
}

.resine-solutions {
    margin-bottom: 4rem;
}

.resine-solutions h3 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.resine-solutions h4 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.resine-solutions p {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.solution-item {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--color-secondary);
}

.solution-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--color-accent);
}

.solution-item strong {
    color: var(--color-primary);
    font-size: 1.2rem;
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.solution-item p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

.resine-cta {
    text-align: center;
    padding: 4rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.resine-cta-main {
    min-width: 250px;
    font-size: 1.1rem;
    padding: 1.3rem 3rem;
    margin-bottom: 0.5rem;
}

.resine-cta .btn {
    min-width: 200px;
}

/* ============================================
   Résine détaillée Section
   ============================================ */
.resine-content {
    max-width: 1000px;
    margin: 0 auto;
}

.resine-intro {
    background: var(--color-light);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 3rem;
    border-left: 5px solid var(--color-secondary);
}

.resine-intro-text {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.resine-intro p {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.1rem;
}

.resine-systems {
    margin-bottom: 4rem;
}

.resine-systems h3 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 2.5rem;
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--color-secondary);
}

.system-category {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-left: 4px solid var(--color-primary);
}

.system-category:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-secondary);
}

.system-category h4 {
    color: var(--color-primary);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.system-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.system-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--color-text);
    line-height: 1.6;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.system-list li:last-child {
    border-bottom: none;
}

.system-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

.resine-advantages {
    background: linear-gradient(135deg, rgba(26, 58, 95, 0.05), rgba(244, 162, 97, 0.05));
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    margin-bottom: 4rem;
}

.resine-advantages h3 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.resine-advantages h4 {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.resine-advantages p {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.application-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.application-list li {
    padding: 1rem;
    background: var(--color-white);
    border-radius: var(--border-radius);
    color: var(--color-text);
    box-shadow: var(--shadow);
    position: relative;
    padding-left: 2.5rem;
    transition: var(--transition);
}

.application-list li::before {
    content: '✓';
    position: absolute;
    left: 1rem;
    color: var(--color-secondary);
    font-weight: bold;
    font-size: 1.2rem;
}

.application-list li:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    background: var(--color-light);
}

.resine-solutions {
    margin-bottom: 4rem;
}

.resine-solutions h3 {
    color: var(--color-primary);
    font-size: 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.resine-solutions h4 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-top: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.resine-solutions p {
    color: var(--color-text-light);
    line-height: 1.8;
    font-size: 1.1rem;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.solution-item {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--color-secondary);
}

.solution-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--color-accent);
}

.solution-item strong {
    color: var(--color-primary);
    font-size: 1.2rem;
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.solution-item p {
    color: var(--color-text-light);
    line-height: 1.7;
    margin: 0;
    font-size: 0.95rem;
}

/* Styles pour les images de la section résine */
.resine-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    align-items: center;
}

.resine-hero-image {
    width: 100%;
    height: 450px;
    min-height: 450px;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.resine-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.resine-hero:hover .resine-hero-image img {
    transform: scale(1.05);
}

.advantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.advantages-images-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.advantages-image {
    width: 100%;
    height: 400px;
    min-height: 400px;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
}

.advantages-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.advantages-image:hover img {
    transform: scale(1.05);
}

.solutions-intro-image {
    width: 100%;
    height: 400px;
    min-height: 400px;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin: 2rem 0;
    position: relative;
}

.solutions-intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.solutions-intro-image:hover img {
    transform: scale(1.05);
}

.resine-cta {
    text-align: center;
    padding: 3rem 0;
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.resine-cta .btn {
    min-width: 200px;
}

.resine-cta-main {
    min-width: 250px;
    font-size: 1.1rem;
    padding: 1.3rem 3rem;
    margin-bottom: 0.5rem;
}

/* Améliorations pour la page résine */
.resine-content {
    max-width: 1200px;
}

.resine-content > * {
    margin-bottom: 4rem;
}

.resine-content > *:last-child {
    margin-bottom: 0;
}

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

.solution-item {
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border-top: 5px solid var(--color-secondary);
}

.solution-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.solution-item:hover::before {
    transform: scaleX(1);
}

.solution-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
    background: var(--color-white);
    border: 2px solid rgba(244, 162, 97, 0.1);
    backdrop-filter: blur(10px);
}

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 58, 95, 0.1), rgba(244, 162, 97, 0.1));
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}

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

.gallery-item:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl), 0 0 40px rgba(244, 162, 97, 0.2);
    border-color: var(--color-secondary);
}

.gallery-image {
    width: 100%;
    height: 350px;
    min-height: 350px;
    overflow: hidden;
    position: relative;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.6s ease;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.gallery-item:hover .gallery-image img {
    transform: scale(1.15);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(26, 58, 95, 0.95), rgba(26, 58, 95, 0.7), transparent);
    color: var(--color-white);
    padding: 2rem 1.5rem;
    transform: translateY(100%);
    transition: var(--transition);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h3 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.gallery-overlay p {
    opacity: 0.9;
}

/* ============================================
   About Section
   ============================================ */
.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text h3 {
    color: var(--color-primary);
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.about-text h3:first-child {
    margin-top: 0;
}

.about-text p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.commitments-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.commitments-list li {
    padding: 1.5rem;
    margin-bottom: 1rem;
    background: var(--color-light);
    border-left: 5px solid var(--color-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.commitments-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: rgba(244, 162, 97, 0.1);
    transition: var(--transition);
}

.commitments-list li:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.commitments-list li:hover::before {
    width: 100%;
}

.commitments-list li strong {
    color: var(--color-primary);
}

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

.sector-item {
    background: var(--color-light);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
}

.sector-item:hover {
    background: var(--color-white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-secondary);
}

.sector-item h4 {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.sector-item p {
    color: var(--color-text-light);
    margin: 0;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 3rem;
    margin-top: 3rem;
}

.contact-info h3 {
    color: var(--color-primary);
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
}

.contact-item {
    margin-bottom: 2rem;
}

.contact-item strong {
    color: var(--color-primary);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.contact-item p {
    color: var(--color-text-light);
    line-height: 1.8;
}

.contact-form {
    background: var(--color-light);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.contact-form:hover {
    box-shadow: var(--shadow-lg);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(244, 162, 97, 0.1);
    transform: translateY(-2px);
}

.form-group textarea {
    resize: vertical;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.animate-fade-in {
    animation: fadeIn 1s ease-out;
}

.animate-fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s both;
}

.animate-fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s both;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: linear-gradient(135deg, var(--color-dark) 0%, #1a2332 100%);
    color: var(--color-white);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-accent));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--color-secondary);
    text-transform: uppercase;
}

.footer-logo {
    height: 100px;
    width: auto;
    min-width: 300px;
    max-width: 400px;
    object-fit: contain;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    opacity: 1;
    transition: var(--transition);
}

.footer-logo:hover {
    opacity: 1;
    transform: scale(1.08);
    filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.3));
}

.footer-section p {
    opacity: 0.8;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

.footer-section ul li a {
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--color-secondary);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .service-card {
        grid-template-columns: 1fr;
    }
    
    .service-image {
        height: 250px;
    }
    
    .service-card {
        grid-template-columns: 1fr;
    }
    
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    .nav-wrapper {
        gap: 1.5rem;
    }
    
    .nav-menu {
        gap: 0.2rem;
    }
    
    .nav-link {
        font-size: 0.88rem;
        padding: 0.6rem 1rem;
    }
    
    .logo-text {
        font-size: 1.15rem;
        letter-spacing: 1.2px;
    }
    
    .logo-img {
        height: 58px;
        max-width: 180px;
    }
    
    .nav-phone-btn {
        padding: 0.65rem 1.3rem;
        font-size: 0.88rem;
    }
}

@media (max-width: 968px) {
    .nav-phone-btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
        margin-left: 0.5rem;
    }
    
    .nav-phone-btn span {
        display: none;
    }
    
    .nav-phone-btn svg {
        width: 20px;
        height: 20px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .nav-wrapper {
        gap: 1rem;
    }
    
    .nav-phone-btn {
        display: none;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 0;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 0 50px rgba(0, 0, 0, 0.2);
        padding: 7rem 2rem 2rem;
        gap: 0.5rem;
        justify-content: flex-start;
        overflow-y: auto;
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
        animation: slideInMenu 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    @keyframes slideInMenu {
        from {
            left: -100%;
            opacity: 0;
        }
        to {
            left: 0;
            opacity: 1;
        }
    }
    
    .nav-phone-btn-mobile {
        display: none;
    }
    
    .nav-menu.active .nav-phone-btn-mobile {
        display: flex;
        width: 100%;
        justify-content: center;
        margin: 2rem auto 0;
        max-width: 300px;
    }
    
    .nav-phone-btn-mobile span {
        display: inline !important;
    }
    
    .nav-menu li {
        width: 100%;
    }
    
    .nav-link {
        display: block;
        padding: 1.2rem 1.5rem;
        font-size: 1.15rem;
        width: 100%;
        border-radius: var(--border-radius);
        margin-bottom: 0.5rem;
        opacity: 0;
        transform: translateX(-20px);
        transition: all 0.3s ease;
    }
    
    .nav-menu.active .nav-link {
        opacity: 1;
        transform: translateX(0);
    }
    
    .nav-menu.active .nav-link:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active .nav-link:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu.active .nav-link:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu.active .nav-link:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu.active .nav-link:nth-child(5) { transition-delay: 0.3s; }
    
    .nav-link::after {
        display: none;
    }
    
    .nav-link:hover,
    .nav-link.active {
        background: linear-gradient(135deg, rgba(244, 162, 97, 0.15) 0%, rgba(231, 111, 81, 0.15) 100%);
        transform: translateX(8px) scale(1.02);
        box-shadow: 0 4px 15px rgba(244, 162, 97, 0.2);
    }
    
    .hero {
        min-height: auto;
        padding: 7rem 1.5rem 4rem;
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: 0.4rem 0.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
        margin-top: 2.5rem;
    }
    
    .hero-stat-number {
        font-size: 2rem;
    }
    
    /* Navigation mobile améliorée */
    .nav-dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        padding: 0;
        padding-left: 1rem;
        border: none;
        background: transparent;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-dropdown.open .nav-dropdown-menu {
        max-height: 200px;
    }
    
    .nav-dropdown-link {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
    
    .nav-cta-btn {
        display: none;
    }
    
    .logo-link {
        gap: 0.8rem;
    }
    
    .logo-img {
        height: 50px;
        max-width: 150px;
    }
    
    .logo-text {
        font-size: 1rem;
        letter-spacing: 1px;
    }
    
    .navbar {
        padding: 0.8rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .sectors-grid {
        grid-template-columns: 1fr;
    }
    
    .resine-hero {
        grid-template-columns: 1fr;
    }
    
    .resine-hero {
        grid-template-columns: 1fr;
    }
    
    .resine-hero-image {
        height: 300px;
        min-height: 300px;
    }
    
    .advantages-content {
        grid-template-columns: 1fr;
    }
    
    .advantages-images-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .advantages-image {
        height: 300px;
        min-height: 300px;
        order: -1;
    }
    
    .service-image {
        height: 280px;
        min-height: 280px;
    }
    
    .gallery-image {
        height: 280px;
        min-height: 280px;
    }
    
    .systems-grid {
        grid-template-columns: 1fr;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .application-list {
        grid-template-columns: 1fr;
    }
    
    .resine-hero-content {
        padding: 2rem;
    }
    
    .resine-advantages {
        padding: 2rem;
    }
    
    .solutions-intro-image {
        height: 300px;
        min-height: 300px;
    }
    
    .resine-cta {
        flex-direction: column;
    }
    
    .resine-cta .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 6rem 1rem 4rem;
        min-height: 70vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .logo-link {
        gap: 0.6rem;
    }
    
    .logo-img {
        height: 45px;
        max-width: 120px;
    }
    
    .logo-text {
        font-size: 0.9rem;
        letter-spacing: 1px;
    }
    
    .nav-menu {
        padding: 5rem 1.5rem 2rem;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 0.8rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .footer-legal {
        margin-top: 1rem;
        font-size: 0.85rem;
    }
}

/* ============================================
   Optimisations supplémentaires
   ============================================ */

/* Réduction des animations sur mobile pour performance */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Optimisation du contenu plié (content-visibility) */
.section:not(.active) {
    content-visibility: auto;
    contain-intrinsic-size: 500px;
}

/* Optimisation des polices */
@font-face {
    font-family: 'Inter';
    font-display: swap;
}

/* Amélioration du contraste pour accessibilité */
.footer-legal a:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* Optimisation des performances - will-change pour animations */
.animate-on-scroll,
.faq-item,
.gallery-item,
.sector-card {
    will-change: transform, opacity;
}

/* Réduction de la complexité des sélecteurs pour performance */
.nav-link:focus-visible,
.btn:focus-visible,
.filter-btn:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 2px;
}

/* Amélioration de l'accessibilité - contraste minimum */
.btn-primary,
.btn-secondary {
    min-height: 44px; /* Taille minimale pour accessibilité tactile */
    min-width: 120px;
}

/* ============================================
   Bouton Retour en haut
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    padding: 0;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-to-top:hover {
    background: var(--color-secondary);
    color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.scroll-to-top:active {
    transform: translateY(-2px) scale(0.95);
}

.scroll-to-top svg {
    width: 20px;
    height: 20px;
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
    }
    
    .scroll-to-top svg {
        width: 18px;
        height: 18px;
    }
}

/* Optimisation du rendu - GPU acceleration */
.hero-content,
.service-card,
.gallery-item {
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

/* Amélioration de la lisibilité */
p, li {
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Styles pour les notes de contact */
.contact-note {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-style: italic;
    margin-top: 0.25rem;
}

.contact-item a:hover {
    text-decoration: underline;
    color: var(--color-secondary);
}

/* Optimisation du chargement - critical CSS inline possible */
.hero {
    contain: layout style paint;
}

/* Amélioration de la performance des transitions */
@media (prefers-reduced-motion: no-preference) {
    .animate-on-scroll {
        transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                    transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* ============================================
   Section FAQ
   ============================================ */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-white);
    transition: var(--transition);
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}

.faq-question:hover,
.faq-question:focus {
    background: var(--color-light);
    outline: 2px solid var(--color-secondary);
    outline-offset: -2px;
}

.faq-question:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: -3px;
}

.faq-question h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    flex: 1;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-secondary);
    transition: var(--transition);
    min-width: 30px;
    text-align: center;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.faq-answer p,
.faq-answer ul,
.faq-answer ol {
    margin: 1rem 0;
    color: var(--color-text-light);
    line-height: 1.8;
}

.faq-answer ul,
.faq-answer ol {
    padding-left: 1.5rem;
}

.faq-answer li {
    margin: 0.5rem 0;
}

.faq-answer a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* ============================================
   Section Secteurs d'Activité
   ============================================ */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

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

.sector-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.sector-card h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

/* ============================================
   Types de résines dans Services
   ============================================ */
.resine-types-section {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 2px solid var(--color-light);
}

.subsection-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.subsection-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

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

.resine-type-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.resine-type-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.resine-type-card h4 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.resine-type-card p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.resine-type-applications {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-light);
    font-size: 0.9rem;
    color: var(--color-text);
}

.service-applications {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-light);
    font-size: 0.9rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   Tableau comparatif résines
   ============================================ */
.resine-comparison {
    margin: 4rem 0;
    padding: 3rem 0;
    border-top: 2px solid var(--color-light);
    border-bottom: 2px solid var(--color-light);
}

.resine-comparison h3 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-align: center;
}

.comparison-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-table thead {
    background: var(--color-primary);
    color: var(--color-white);
}

.comparison-table th {
    padding: 1.2rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
}

.comparison-table td {
    padding: 1.2rem;
    border-bottom: 1px solid var(--color-light);
    color: var(--color-text);
}

.comparison-table tbody tr:hover {
    background: var(--color-light);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-notes {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--color-light);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    color: var(--color-text);
}

/* ============================================
   Zones d'Intervention
   ============================================ */
.zones-content {
    max-width: 1000px;
    margin: 0 auto;
}

.zones-intro {
    text-align: center;
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: var(--color-light);
    border-radius: var(--border-radius);
}

.zones-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.zone-category {
    background: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.zone-category h3 {
    color: var(--color-primary);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.zone-subtitle {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.zone-list {
    list-style: none;
    padding: 0;
}

.zone-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-light);
    color: var(--color-text);
}

.zone-list li:last-child {
    border-bottom: none;
}

.zones-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: var(--color-light);
    border-radius: var(--border-radius);
}

.zones-cta p {
    margin-bottom: 1.5rem;
    color: var(--color-text);
    font-size: 1.1rem;
}

/* ============================================
   Améliorations section À propos
   ============================================ */
.process-list,
.delays-list,
.norms-list {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.process-list li,
.delays-list li,
.norms-list li {
    margin: 1rem 0;
    line-height: 1.8;
    color: var(--color-text);
}

.process-list li strong,
.delays-list li strong,
.norms-list li strong {
    color: var(--color-primary);
}

/* ============================================
   Upload de fichiers dans formulaires
   ============================================ */
.file-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px dashed var(--color-text-light);
    border-radius: var(--border-radius);
    background: var(--color-light);
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-primary);
}

.file-input:hover {
    border-color: var(--color-secondary);
    background: var(--color-white);
}

.file-input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(244, 162, 97, 0.1);
}

.file-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.form-note {
    text-align: center;
    margin: 1rem 0 2rem 0;
    padding: 1rem;
    background: var(--color-light);
    border-radius: var(--border-radius);
    color: var(--color-text);
    font-size: 0.95rem;
}

/* ============================================
   Filtres galerie réalisations
   ============================================ */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 2rem 0 3rem 0;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--color-primary);
    background: var(--color-white);
    color: var(--color-primary);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-family: var(--font-primary);
}

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

.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.gallery-item[data-type] {
    transition: var(--transition);
}

.gallery-item.hidden {
    display: none;
}

.gallery-cta {
    text-align: center;
    margin-top: 3rem;
    padding: 2rem;
    background: var(--color-light);
    border-radius: var(--border-radius);
}

.gallery-cta p {
    margin-bottom: 1.5rem;
    color: var(--color-text);
    font-size: 1.1rem;
}

/* ============================================
   Réseaux sociaux footer
   ============================================ */
.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-light);
    color: var(--color-primary);
    transition: var(--transition);
    text-decoration: none;
}

.social-link:hover {
    background: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Responsive pour nouvelles sections
   ============================================ */
@media (max-width: 768px) {
    .zones-grid {
        grid-template-columns: 1fr;
    }
    
    .resine-types-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-table-wrapper {
        overflow-x: scroll;
    }
    
    .comparison-table {
        min-width: 600px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.8rem;
        font-size: 0.85rem;
    }
    
    .gallery-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .faq-question h3 {
        font-size: 1rem;
    }
    
    .subsection-title {
        font-size: 1.5rem;
    }
}