/* ===================================================================
   Amsterdam Custom Seats — Premium Custom Motorcycle Seats
   Brand: Deep Red / Black / Gold — Luxury Leather Atelier
   =================================================================== */

:root {
    --primary: #c1121f;
    --primary-dark: #9b0f1a;
    --primary-light: #e63946;
    --secondary: #121212;
    --accent: #d4a73a;
    --dark: #0a0a0a;
    --dark-surface: #1a1a1a;
    --light: #f2f0ed;
    --text: #2b2b2b;
    --text-light: #7a7672;
    --white: #ffffff;
    --glass: rgba(10, 10, 10, 0.88);
    --shadow: 0 8px 32px rgba(193, 18, 31, 0.12);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.25);
    --shadow-gold: 0 8px 32px rgba(212, 167, 58, 0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* -- Reset -------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* -- Scroll Progress ---------------------------------------------- */
.scroll-progress {
    position: fixed; top: 0; left: 0; height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    width: 0%; z-index: 9999; transition: width 0.1s;
}

/* -- Navbar ------------------------------------------------------- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0;
    background: rgba(10, 10, 10, 0.96);
    backdrop-filter: blur(24px);
    z-index: 1000;
    padding: 0.8rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(212, 167, 58, 0.1);
}
.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
    border-bottom-color: rgba(212, 167, 58, 0.15);
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 1.5rem;
    display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 0.75rem; }
.logo-img {
    height: 72px; width: auto; transition: var(--transition);
    border-radius: 50%;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}
.navbar.scrolled .logo-img { height: 52px; }
.logo-text {
    font-size: 1.6rem; font-weight: 800; color: var(--white);
    letter-spacing: -0.5px;
}
.logo-accent { color: var(--accent); }
.nav-links {
    display: flex; align-items: center; gap: 2rem;
}
.nav-links a {
    color: rgba(255, 255, 255, 0.8); font-weight: 500; font-size: 0.95rem;
    position: relative; padding: 0.3rem 0;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -2px; left: 0;
    width: 0; height: 2px; background: var(--accent);
    transition: width 0.3s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
    background: var(--primary) !important; color: var(--white) !important;
    padding: 0.6rem 1.5rem !important; border-radius: 50px;
    font-weight: 600 !important;
    box-shadow: 0 4px 16px rgba(193, 18, 31, 0.3);
}
.nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-2px); }
.nav-cta::after { display: none !important; }

/* Mobile Toggle */
.mobile-toggle {
    display: none; background: none; border: none; cursor: pointer;
    width: 30px; height: 24px; position: relative;
}
.mobile-toggle span {
    position: absolute; left: 0; width: 100%; height: 3px;
    background: var(--white); border-radius: 3px; transition: 0.3s;
}
.mobile-toggle span:nth-child(1) { top: 0; }
.mobile-toggle span:nth-child(2) { top: 10px; }
.mobile-toggle span:nth-child(3) { top: 20px; }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg); top: 10px; }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg); top: 10px; }

/* -- Hero Section ------------------------------------------------- */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, #111 40%, var(--dark-surface) 100%);
    overflow: hidden; padding-top: 80px;
}
.hero-bg {
    position: absolute; inset: 0;
    background-size: cover; background-position: center;
    opacity: 0.25; transform: scale(1.1);
    animation: heroZoom 20s ease-in-out infinite alternate;
}
@keyframes heroZoom { from { transform: scale(1); } to { transform: scale(1.1); } }
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(10,10,10,0.9) 0%, rgba(26,26,26,0.75) 50%, rgba(10,10,10,0.85) 100%);
}
.hero-content {
    position: relative; z-index: 2; text-align: center;
    max-width: 800px; padding: 2rem;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(212, 167, 58, 0.12); border: 1px solid rgba(212, 167, 58, 0.3);
    padding: 0.5rem 1.2rem; border-radius: 50px;
    color: var(--accent); font-size: 0.85rem; font-weight: 600;
    margin-bottom: 1.5rem; text-transform: uppercase; letter-spacing: 1.5px;
}
.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800; color: var(--white);
    line-height: 1.1; margin-bottom: 1.5rem;
    letter-spacing: -1px;
}
.hero h1 span { color: var(--primary); }
.hero p {
    font-size: 1.2rem; color: rgba(255, 255, 255, 0.75);
    max-width: 600px; margin: 0 auto 2.5rem;
    line-height: 1.6;
}
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 1rem 2rem; border-radius: 50px;
    font-weight: 600; font-size: 1rem;
    transition: var(--transition); cursor: pointer; border: none;
    text-decoration: none;
}
.btn-primary {
    background: var(--primary); color: var(--white);
    box-shadow: 0 4px 20px rgba(193, 18, 31, 0.3);
}
.btn-primary:hover {
    background: var(--primary-dark); transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(193, 18, 31, 0.4);
    color: var(--white);
}
.btn-outline {
    background: transparent; color: var(--white);
    border: 2px solid rgba(212, 167, 58, 0.4);
}
.btn-outline:hover {
    background: var(--accent); color: var(--dark);
    border-color: var(--accent);
    transform: translateY(-3px);
}

/* -- Stats Bar ---------------------------------------------------- */
.stats-bar {
    background: var(--dark-surface); padding: 3rem 0;
    position: relative; overflow: hidden;
    border-top: 1px solid rgba(212, 167, 58, 0.08);
    border-bottom: 1px solid rgba(212, 167, 58, 0.08);
}
.stats-bar::before {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(193,18,31,0.06), transparent, rgba(212,167,58,0.06));
}
.stats-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 2rem; text-align: center; position: relative;
}
.stat-item h3 {
    font-size: 2.5rem; font-weight: 800; color: var(--accent);
    margin-bottom: 0.3rem;
}
.stat-item p { color: rgba(255, 255, 255, 0.6); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; }

/* -- Section Base ------------------------------------------------- */
.section { padding: 5rem 0; }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 {
    font-size: 2.5rem; font-weight: 800; color: var(--secondary);
    margin-bottom: 1rem; letter-spacing: -0.5px;
}
.section-header p { color: var(--text-light); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }
.section-label {
    display: inline-block; color: var(--accent); font-weight: 600;
    font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 0.8rem;
}

/* -- Services/Zadels Grid ----------------------------------------- */
.services-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.service-card {
    background: var(--white); border-radius: var(--radius-lg);
    overflow: hidden; transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.06);
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.service-card-image {
    height: 220px; background: linear-gradient(135deg, var(--dark-surface), var(--dark));
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.service-card-image i {
    font-size: 3.5rem; color: var(--primary); z-index: 1;
}
.service-card-image::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(0, 0, 0, 0.5));
}
.service-card-body { padding: 1.5rem; }
.service-card-body h3 {
    font-size: 1.3rem; font-weight: 700; color: var(--secondary);
    margin-bottom: 0.8rem;
}
.service-card-body p { color: var(--text-light); font-size: 0.95rem; margin-bottom: 1rem; }
.service-card-body .card-link {
    color: var(--primary); font-weight: 600; font-size: 0.9rem;
    display: inline-flex; align-items: center; gap: 0.3rem;
}
.service-card-body .card-link:hover { gap: 0.6rem; }

/* -- Features / USP ----------------------------------------------- */
.features-section { background: var(--light); }
.features-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}
.feature-item {
    text-align: center; padding: 2.5rem 1.5rem;
    background: var(--white); border-radius: var(--radius-lg);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.04);
}
.feature-item:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.feature-icon {
    width: 70px; height: 70px; margin: 0 auto 1.2rem;
    background: linear-gradient(135deg, rgba(193,18,31,0.08), rgba(212,167,58,0.08));
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
}
.feature-icon i { font-size: 1.8rem; color: var(--primary); }
.feature-item h3 { font-size: 1.1rem; font-weight: 700; color: var(--secondary); margin-bottom: 0.6rem; }
.feature-item p { color: var(--text-light); font-size: 0.9rem; }

/* -- Process Section ---------------------------------------------- */
.process-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem; counter-reset: process;
}
.process-step {
    text-align: center; padding: 2rem 1.5rem;
    position: relative; counter-increment: process;
}
.process-step::before {
    content: counter(process); display: flex; align-items: center; justify-content: center;
    width: 50px; height: 50px; margin: 0 auto 1.2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    font-size: 1.3rem; font-weight: 800; border-radius: 50%;
    box-shadow: 0 4px 16px rgba(193, 18, 31, 0.25);
}
.process-step h3 { font-size: 1.1rem; font-weight: 700; color: var(--secondary); margin-bottom: 0.5rem; }
.process-step p { color: var(--text-light); font-size: 0.9rem; }

/* -- Brands Carousel ---------------------------------------------- */
.brands-section { background: var(--light); }
.brands-grid {
    display: flex; flex-wrap: wrap; justify-content: center;
    gap: 2rem; align-items: center;
}
.brand-logo {
    padding: 1.5rem 2rem; background: var(--white);
    border-radius: var(--radius); border: 1px solid rgba(0, 0, 0, 0.06);
    font-weight: 700; font-size: 1.1rem; color: var(--secondary);
    transition: var(--transition);
}
.brand-logo:hover { transform: translateY(-3px); box-shadow: var(--shadow-gold); border-color: var(--accent); }

/* -- CTA Section -------------------------------------------------- */
.cta-section {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-surface) 50%, #111 100%);
    padding: 5rem 0; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
    content: ''; position: absolute; top: -50%; right: -20%;
    width: 500px; height: 500px; border-radius: 50%;
    background: radial-gradient(circle, rgba(193,18,31,0.12), transparent 70%);
}
.cta-section::after {
    content: ''; position: absolute; bottom: -40%; left: -15%;
    width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, rgba(212,167,58,0.08), transparent 70%);
}
.cta-section h2 { font-size: 2.5rem; font-weight: 800; color: var(--white); margin-bottom: 1rem; position: relative; z-index: 1; }
.cta-section p { color: rgba(255, 255, 255, 0.65); font-size: 1.1rem; margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto; position: relative; z-index: 1; }

/* -- Reviews ------------------------------------------------------ */
.reviews-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.review-card {
    background: var(--white); padding: 2rem; border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.05); transition: var(--transition);
}
.review-card:hover { box-shadow: var(--shadow); }
.review-stars { color: var(--accent); margin-bottom: 1rem; }
.review-text { color: var(--text); font-style: italic; margin-bottom: 1rem; line-height: 1.6; }
.review-author { font-weight: 600; color: var(--secondary); font-size: 0.9rem; }
.review-bike { color: var(--text-light); font-size: 0.85rem; }

/* -- Footer ------------------------------------------------------- */
.footer {
    background: var(--dark); color: rgba(255, 255, 255, 0.65); padding: 4rem 0 2rem;
    border-top: 1px solid rgba(212, 167, 58, 0.1);
}
.footer-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem; margin-bottom: 3rem;
}
.footer-brand { font-size: 1.5rem; font-weight: 800; color: var(--white); margin-bottom: 1rem; }
.footer-brand span { color: var(--accent); }
.footer-col h4 { color: var(--white); margin-bottom: 1rem; font-size: 1rem; }
.footer-col ul li { margin-bottom: 0.5rem; }
.footer-col ul li a { color: rgba(255, 255, 255, 0.55); font-size: 0.9rem; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-col ul li i { width: 20px; color: var(--accent); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 2rem; text-align: center; font-size: 0.85rem;
}

/* -- Back to Top -------------------------------------------------- */
.back-to-top {
    position: fixed; bottom: 2rem; right: 2rem;
    width: 45px; height: 45px; border-radius: 50%;
    background: var(--primary); color: var(--white); border: none;
    cursor: pointer; display: none; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px rgba(193, 18, 31, 0.35); transition: var(--transition);
    z-index: 999;
}
.back-to-top.visible { display: flex; }
.back-to-top:hover { transform: translateY(-3px); background: var(--primary-dark); }

/* -- Responsive --------------------------------------------------- */
@media (max-width: 768px) {
    .mobile-toggle { display: block; }
    .nav-links {
        position: fixed; top: 0; right: -100%; width: 80%; height: 100vh;
        background: var(--dark); flex-direction: column;
        justify-content: center; gap: 2rem; padding: 2rem;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .nav-links.active { right: 0; }
    .nav-links a { font-size: 1.2rem; color: rgba(255,255,255,0.85); }
    .hero h1 { font-size: 2.5rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .section { padding: 3.5rem 0; }
    .section-header h2 { font-size: 2rem; }
    .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item h3 { font-size: 2rem; }
}

/* ===================================================================
   Product Grid (Overzichtspagina)
   =================================================================== */
.product-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}
.product-card {
    display: block; background: var(--white); border-radius: var(--radius-lg);
    overflow: hidden; transition: var(--transition); text-decoration: none; color: inherit;
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(193, 18, 31, 0.15);
    border-color: var(--primary);
}
.product-card-image {
    position: relative; height: 200px; overflow: hidden;
    background: var(--dark-surface);
}
.product-card-image img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s;
}
.product-card:hover .product-card-image img { transform: scale(1.08); }
.product-card-badge {
    position: absolute; top: 12px; right: 12px;
    width: 16px; height: 16px; border-radius: 50%;
    border: 2px solid var(--white);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}
.product-card-info {
    padding: 1.2rem; text-align: center;
}
.product-card-info h3 {
    font-size: 1.05rem; font-weight: 700; color: var(--secondary);
    margin-bottom: 0.3rem;
}
.product-card-info p {
    font-size: 0.8rem; color: var(--text-light); margin-bottom: 0.6rem;
}
.product-card-link {
    color: var(--primary); font-weight: 600; font-size: 0.85rem;
    display: inline-flex; align-items: center; gap: 0.3rem;
}
.product-card:hover .product-card-link { gap: 0.6rem; }

/* ===================================================================
   Product Detail Page
   =================================================================== */
.product-hero { padding: 6rem 0 3rem; }
.breadcrumb {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.85rem; color: var(--text-light); margin-bottom: 2rem;
}
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb i { font-size: 0.65rem; }
.breadcrumb span { color: var(--secondary); font-weight: 600; }

.product-layout {
    display: grid; grid-template-columns: 1fr 1fr; gap: 3rem;
    align-items: start;
}
.product-gallery { position: sticky; top: 100px; }
.product-main-image {
    position: relative; border-radius: var(--radius-lg);
    overflow: hidden; background: var(--dark-surface);
    aspect-ratio: 4/3;
}
.product-main-image img {
    width: 100%; height: 100%; object-fit: cover;
}
.gallery-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255, 255, 255, 0.9); border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--secondary); font-size: 0.9rem;
    transition: var(--transition); opacity: 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}
.product-main-image:hover .gallery-nav { opacity: 1; }
.gallery-nav:hover { background: var(--primary); color: var(--white); }
.gallery-prev { left: 12px; }
.gallery-next { right: 12px; }

.product-thumbs {
    display: flex; gap: 0.6rem; margin-top: 0.8rem;
}
.thumb {
    width: 70px; height: 55px; border-radius: 8px;
    background-size: cover; background-position: center;
    border: 2px solid transparent; cursor: pointer;
    transition: var(--transition);
}
.thumb.active, .thumb:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 10px rgba(193, 18, 31, 0.3);
}

.product-info { padding-top: 0.5rem; }
.product-color-dot {
    width: 20px; height: 20px; border-radius: 50%;
    margin-bottom: 0.8rem; border: 2px solid rgba(0, 0, 0, 0.1);
}
.product-info h1 {
    font-size: 2.2rem; font-weight: 800; color: var(--secondary);
    margin-bottom: 0.3rem; letter-spacing: -0.5px;
}
.product-subtitle {
    font-size: 1rem; color: var(--text-light); font-weight: 500;
    margin-bottom: 1.5rem;
}
.product-desc {
    font-size: 1rem; color: var(--text); line-height: 1.7;
    margin-bottom: 2rem;
}

.product-specs { margin-bottom: 2rem; }
.product-specs h3 {
    font-size: 1rem; font-weight: 700; color: var(--secondary);
    margin-bottom: 0.8rem; display: flex; align-items: center; gap: 0.5rem;
}
.product-specs h3 i { color: var(--primary); }
.product-specs ul { display: grid; grid-template-columns: 1fr 1fr; gap: 0.5rem; }
.product-specs li {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.9rem; color: var(--text);
}
.product-specs li i { color: var(--primary); font-size: 0.75rem; }

.product-pricing { margin-bottom: 1.5rem; }
.price-note {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 1rem 1.2rem; border-radius: var(--radius);
    background: rgba(193, 18, 31, 0.06); color: var(--primary);
    font-weight: 600; font-size: 0.9rem;
}
.price-note i { font-size: 1.1rem; }

.product-actions {
    display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap;
}
.btn-lg { padding: 1.1rem 2.2rem; font-size: 1.05rem; }
.btn-outline-dark {
    background: transparent; color: var(--secondary);
    border: 2px solid var(--secondary); padding: 1rem 2rem;
    border-radius: 50px; font-weight: 600; font-size: 1rem;
    display: inline-flex; align-items: center; gap: 0.5rem;
    cursor: pointer; transition: var(--transition); text-decoration: none;
}
.btn-outline-dark:hover {
    background: var(--secondary); color: var(--white);
    transform: translateY(-2px);
}

.product-trust {
    display: flex; gap: 1.5rem; flex-wrap: wrap;
    padding-top: 1.2rem; border-top: 1px solid rgba(0, 0, 0, 0.08);
}
.product-trust span {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 0.8rem; color: var(--text-light); font-weight: 500;
}
.product-trust i { color: var(--accent); }

.related-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.model-nav {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 2.5rem; padding-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}
.model-nav-link {
    display: flex; align-items: center; gap: 0.5rem;
    color: var(--secondary); font-weight: 600; font-size: 0.9rem;
    text-decoration: none; transition: var(--transition);
}
.model-nav-link:hover { color: var(--primary); }
.model-nav-all {
    background: var(--primary); color: var(--white) !important;
    padding: 0.6rem 1.2rem; border-radius: 50px;
}
.model-nav-all:hover { background: var(--primary-dark); }

/* ===================================================================
   3D CONFIGURATOR — Photo-based
   =================================================================== */
.configurator-section { padding-bottom: 4rem; }
.configurator-layout {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 2.5rem; align-items: start;
}

/* 3D Preview */
.config-preview { position: sticky; top: 90px; }
.preview-3d-wrapper {
    background: linear-gradient(145deg, #1a1a1a 0%, #111 50%, #181818 100%);
    border-radius: var(--radius-lg); overflow: hidden;
    border: 1px solid rgba(212, 167, 58, 0.1);
    position: relative;
}
.preview-3d-stage {
    padding: 2rem; min-height: 420px;
    display: flex; align-items: center; justify-content: center;
    cursor: grab; user-select: none;
}
.preview-3d-card {
    width: 100%; max-width: 480px;
    transition: transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1), opacity 0.3s;
    will-change: transform;
}
.preview-3d-card.switching { opacity: 0.3; transform: scale(0.95); }

.preview-face {
    display: none; position: relative;
    border-radius: 12px; overflow: hidden;
}
.preview-face.active { display: block; animation: faceIn 0.5s ease; }
@keyframes faceIn {
    from { opacity: 0; transform: scale(0.96) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.preview-face img {
    width: 100%; height: auto; display: block;
    pointer-events: none;
}

/* Vignette effect */
.preview-vignette {
    position: absolute; inset: 0; z-index: 2; pointer-events: none;
    background: radial-gradient(ellipse at center, transparent 50%, rgba(0, 0, 0, 0.25) 100%);
    border-radius: var(--radius-lg);
}

/* Preview Toolbar */
.preview-toolbar {
    position: absolute; top: 12px; right: 12px; z-index: 5;
    display: flex; align-items: center; gap: 4px;
    background: rgba(26, 26, 26, 0.9); backdrop-filter: blur(10px);
    padding: 4px 6px; border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.06);
    opacity: 0; transition: opacity 0.3s;
}
.preview-3d-wrapper:hover .preview-toolbar { opacity: 1; }
.toolbar-btn {
    width: 32px; height: 32px; border-radius: 8px; border: none;
    background: none; cursor: pointer; color: rgba(255, 255, 255, 0.7);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.8rem; transition: var(--transition);
}
.toolbar-btn:hover { background: rgba(193, 18, 31, 0.2); color: var(--primary-light); }
.toolbar-divider {
    width: 1px; height: 20px; background: rgba(255, 255, 255, 0.1); margin: 0 2px;
}

/* Zoom Indicator */
.zoom-indicator {
    position: absolute; bottom: 70px; right: 16px; z-index: 5;
    background: rgba(0, 0, 0, 0.8); color: #fff; padding: 4px 10px;
    border-radius: 6px; font-size: 0.7rem; font-weight: 700;
    opacity: 0; transition: opacity 0.3s; pointer-events: none;
    backdrop-filter: blur(4px);
}
.zoom-indicator.visible { opacity: 1; }

/* Drag hint */
.drag-hint {
    position: absolute; bottom: 80px; left: 50%; transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7); color: #fff; padding: 0.5rem 1rem;
    border-radius: 50px; font-size: 0.75rem; font-weight: 600;
    display: flex; align-items: center; gap: 0.4rem;
    opacity: 0.8; transition: opacity 0.5s; pointer-events: none;
    backdrop-filter: blur(4px);
}

/* View label header bar */
.preview-view-label {
    display: flex; align-items: center; justify-content: center; gap: 0.6rem;
    padding: 0.6rem 1rem;
    background: rgba(26, 26, 26, 0.9); backdrop-filter: blur(6px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.view-model-name {
    font-weight: 800; font-size: 1rem; color: var(--white);
    letter-spacing: -0.3px;
}
.view-angle {
    font-size: 0.7rem; color: rgba(255, 255, 255, 0.5); text-transform: uppercase;
    letter-spacing: 1px; font-weight: 600;
    background: rgba(255, 255, 255, 0.08); padding: 2px 8px; border-radius: 4px;
}

/* View thumbnails */
.preview-views {
    display: flex; gap: 0.5rem; padding: 1rem 1.5rem;
    background: rgba(26, 26, 26, 0.85); backdrop-filter: blur(8px);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}
.view-btn {
    flex: 1; display: flex; flex-direction: column; align-items: center;
    gap: 0.3rem; padding: 0.6rem 0.4rem; border-radius: var(--radius);
    border: 2px solid transparent; background: none; cursor: pointer;
    transition: var(--transition); font-size: 0.7rem; font-weight: 600;
    color: rgba(255, 255, 255, 0.5);
}
.view-btn:hover { border-color: rgba(193, 18, 31, 0.3); color: rgba(255, 255, 255, 0.8); }
.view-btn.active { border-color: var(--primary); color: var(--primary-light); }
.view-thumb {
    width: 100%; height: 48px; border-radius: 6px;
    background-size: cover; background-position: center;
    background-color: #222;
}
.view-thumb.spin-icon {
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--dark-surface), var(--dark));
    color: var(--primary); font-size: 1.2rem;
}
.view-btn.spinning .spin-icon i { animation: spinIcon 1.5s linear infinite; }
@keyframes spinIcon { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Color Model Grid */
.color-model-grid {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.6rem;
}
.color-model-btn {
    display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
    padding: 0; border: 2px solid transparent; border-radius: var(--radius);
    background: none; cursor: pointer; transition: var(--transition);
    overflow: hidden;
}
.color-model-btn:hover { border-color: rgba(193, 18, 31, 0.3); transform: translateY(-2px); }
.color-model-btn.active {
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(193, 18, 31, 0.25);
}
.color-model-preview {
    width: 100%; height: 65px; background-size: cover; background-position: center;
    background-color: #1a1a1a; position: relative; border-radius: 8px 8px 0 0;
}
.color-dot {
    position: absolute; bottom: 4px; right: 4px;
    width: 12px; height: 12px; border-radius: 50%;
    border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}
.color-model-btn span {
    font-size: 0.65rem; font-weight: 600; color: var(--text);
    padding: 0.25rem 0.3rem; line-height: 1.2; text-align: center;
}
.color-model-btn.active span { color: var(--primary); }

/* Config Steps (accordion) */
.config-step {
    background: var(--white); border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 0, 0, 0.06); margin-bottom: 0.6rem;
    overflow: hidden; transition: var(--transition);
}
.config-step:hover { border-color: rgba(193, 18, 31, 0.15); }
.config-step-header {
    display: flex; align-items: center; gap: 0.8rem;
    padding: 1rem 1.2rem; cursor: pointer; user-select: none;
}
.step-number {
    width: 30px; height: 30px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.8rem; flex-shrink: 0;
}
.step-title-wrap { flex: 1; min-width: 0; }
.config-step-header h3 {
    font-size: 0.9rem; font-weight: 700; color: var(--secondary);
    margin-bottom: 0;
}
.step-desc { font-size: 0.72rem; color: var(--text-light); display: none; }
.config-step-body.open + .config-step-header .step-desc,
.config-step-header:hover .step-desc { display: block; }
.step-value {
    font-size: 0.8rem; font-weight: 600; color: var(--primary);
    white-space: nowrap; margin-left: auto;
}
.step-toggle {
    color: var(--text-light); font-size: 0.7rem; transition: transform 0.3s;
    flex-shrink: 0;
}

.config-step-body {
    max-height: 0; overflow: hidden; padding: 0 1.2rem;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s;
}
.config-step-body.open {
    max-height: 800px; padding: 0.8rem 1.2rem 1.2rem;
}

/* Option Grid */
.option-grid { display: grid; gap: 0.6rem; }
.option-grid-2 { grid-template-columns: 1fr 1fr; }
.option-grid-3 { grid-template-columns: repeat(3, 1fr); }
.option-grid-4 { grid-template-columns: repeat(4, 1fr); }
.option-card {
    display: flex; flex-direction: column; align-items: center;
    gap: 0.3rem; padding: 0.8rem 0.5rem; border-radius: var(--radius);
    border: 2px solid rgba(0, 0, 0, 0.06); cursor: pointer;
    transition: var(--transition); text-align: center; background: var(--white);
}
.option-card input { display: none; }
.option-card:hover { border-color: rgba(193, 18, 31, 0.3); }
.option-card.active {
    border-color: var(--primary);
    background: rgba(193, 18, 31, 0.04);
    box-shadow: 0 2px 12px rgba(193, 18, 31, 0.12);
}
.option-card i { color: var(--primary); font-size: 1.2rem; }
.option-card strong { font-size: 0.8rem; color: var(--secondary); }
.option-card small { font-size: 0.65rem; color: var(--text-light); }
.option-card svg { color: var(--primary); }

/* Extras */
.extras-list { display: flex; flex-direction: column; gap: 0.5rem; }
.extra-option {
    display: flex; align-items: center; gap: 0.8rem;
    padding: 0.7rem 0.8rem; border-radius: var(--radius);
    border: 2px solid rgba(0, 0, 0, 0.06); cursor: pointer;
    transition: var(--transition);
}
.extra-option:hover { border-color: rgba(193, 18, 31, 0.2); }
.extra-option.checked {
    border-color: var(--primary); background: rgba(193, 18, 31, 0.04);
}
.extra-option input[type="checkbox"] { display: none; }
.extra-check {
    width: 22px; height: 22px; border-radius: 6px;
    border: 2px solid rgba(0, 0, 0, 0.15); flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition); color: transparent; font-size: 0.65rem;
}
.extra-option.checked .extra-check {
    background: var(--primary); border-color: var(--primary); color: #fff;
}
.extra-info {
    display: flex; align-items: center; gap: 0.7rem; flex: 1;
}
.extra-icon {
    width: 32px; height: 32px; border-radius: 8px;
    background: rgba(193, 18, 31, 0.08);
    display: flex; align-items: center; justify-content: center;
    color: var(--primary); font-size: 0.85rem; flex-shrink: 0;
}
.extra-info strong { display: block; font-size: 0.8rem; color: var(--secondary); }
.extra-info small { font-size: 0.7rem; color: var(--text-light); }
.extra-price { font-weight: 700; color: var(--primary); font-size: 0.85rem; white-space: nowrap; }

/* Config Summary */
.config-summary {
    background: linear-gradient(135deg, var(--dark-surface) 0%, var(--dark) 100%);
    color: var(--white); border-radius: var(--radius-lg);
    padding: 1.2rem; margin-top: 0.5rem;
    position: relative;
    border: 1px solid rgba(212, 167, 58, 0.1);
}
.summary-header {
    display: flex; justify-content: space-between; align-items: center;
}
.summary-header h3 {
    font-size: 1rem; font-weight: 700; margin: 0;
    display: flex; align-items: center; gap: 0.5rem;
}
.summary-header h3 i { color: var(--accent); }
.summary-toggle-btn {
    background: none; border: none; color: rgba(255, 255, 255, 0.5);
    cursor: pointer; font-size: 0.8rem; padding: 0.3rem;
    transition: var(--transition); display: none;
}
.summary-body { margin-top: 0.8rem; }
.summary-items { margin-bottom: 1rem; }
.summary-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.4rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.82rem;
}
.summary-row span {
    color: rgba(255, 255, 255, 0.45);
    display: flex; align-items: center; gap: 0.4rem;
}
.summary-row span i { font-size: 0.7rem; color: var(--accent); }
.summary-row strong { color: var(--white); display: flex; align-items: center; gap: 0.4rem; }
.sum-color-dot {
    display: inline-block; width: 10px; height: 10px; border-radius: 50%;
    border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.summary-actions { display: flex; flex-direction: column; gap: 0.5rem; }
.btn-block {
    width: 100%; justify-content: center; text-align: center;
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.9rem 1.5rem; border-radius: 50px; font-weight: 600;
    font-size: 0.9rem; cursor: pointer; transition: var(--transition);
    text-decoration: none; border: none;
}
.btn-whatsapp {
    background: #25d366; color: #fff;
}
.btn-whatsapp:hover { background: #1da851; transform: translateY(-2px); color: #fff; }
.btn-ghost {
    background: transparent; color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.12);
}
.btn-ghost:hover { color: #fff; border-color: rgba(255, 255, 255, 0.25); }

/* Ref grid */
.ref-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}
.ref-card {
    border-radius: var(--radius); overflow: hidden;
    transition: var(--transition); text-decoration: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.ref-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ref-card img { width: 100%; height: 120px; object-fit: cover; }
.ref-label {
    padding: 0.5rem; font-size: 0.75rem; font-weight: 600;
    color: var(--secondary); text-align: center;
    display: flex; align-items: center; justify-content: center; gap: 0.3rem;
    background: var(--white);
}
.ref-dot {
    width: 8px; height: 8px; border-radius: 50%;
    border: 1.5px solid rgba(0, 0, 0, 0.15);
}

/* ===================================================================
   FULLSCREEN LIGHTBOX
   =================================================================== */
.lightbox {
    position: fixed; inset: 0; z-index: 10000;
    display: none; flex-direction: column;
}
.lightbox.open { display: flex; animation: lbFadeIn 0.3s ease; }
@keyframes lbFadeIn { from { opacity: 0; } to { opacity: 1; } }

.lightbox-backdrop {
    position: absolute; inset: 0;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(20px);
}

.lightbox-content {
    position: relative; z-index: 1;
    display: flex; flex-direction: column;
    height: 100%; width: 100%;
}

.lightbox-toolbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.8rem 1.2rem;
    background: rgba(10, 10, 10, 0.95); backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.lightbox-title {
    color: #fff; font-weight: 700; font-size: 0.95rem;
}
.lightbox-tools {
    display: flex; align-items: center; gap: 4px;
}
.lightbox-tools button {
    width: 36px; height: 36px; border-radius: 8px; border: none;
    background: rgba(255, 255, 255, 0.06); cursor: pointer;
    color: rgba(255, 255, 255, 0.65); font-size: 0.85rem;
    display: flex; align-items: center; justify-content: center;
    transition: var(--transition);
}
.lightbox-tools button:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.lightbox-zoom-level {
    color: var(--accent); font-weight: 700; font-size: 0.75rem;
    min-width: 40px; text-align: center;
}
.lightbox-counter {
    color: rgba(255, 255, 255, 0.45); font-size: 0.8rem; font-weight: 600;
    min-width: 40px; text-align: center;
}

.lightbox-stage {
    flex: 1; display: flex; align-items: center; justify-content: center;
    overflow: hidden; cursor: default; position: relative;
}
.lightbox-stage img {
    max-width: 90%; max-height: 80vh; object-fit: contain;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none; pointer-events: none;
}

.lightbox-thumbs {
    display: flex; justify-content: center; gap: 0.6rem;
    padding: 0.8rem 1rem;
    background: rgba(10, 10, 10, 0.95); backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.lb-thumb {
    width: 72px; height: 52px; border-radius: 8px;
    background-size: cover; background-position: center;
    border: 2px solid transparent; cursor: pointer;
    transition: var(--transition); opacity: 0.5;
}
.lb-thumb:hover { opacity: 0.85; border-color: rgba(255, 255, 255, 0.25); }
.lb-thumb.active {
    border-color: var(--primary); opacity: 1;
    box-shadow: 0 0 0 2px rgba(193, 18, 31, 0.3);
}

/* ===================================================================
   Responsive — Product & Configurator
   =================================================================== */
@media (max-width: 968px) {
    .product-layout { grid-template-columns: 1fr; gap: 2rem; }
    .product-gallery { position: static; }
    .configurator-layout { grid-template-columns: 1fr; }
    .config-preview { position: static; }
    .color-model-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
    .product-hero { padding: 5rem 0 2rem; }
    .product-info h1 { font-size: 1.8rem; }
    .product-specs ul { grid-template-columns: 1fr; }
    .product-actions { flex-direction: column; }
    .product-actions .btn { width: 100%; justify-content: center; }
    .product-trust { flex-direction: column; gap: 0.8rem; }
    .model-nav { flex-direction: column; gap: 1rem; }
    .option-grid-2 { grid-template-columns: 1fr; }
    .option-grid-3 { grid-template-columns: 1fr 1fr; }
    .option-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .product-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; }
    .product-card-image { height: 150px; }
    .thumb { width: 55px; height: 42px; }
    .preview-3d-stage { min-height: 300px; padding: 1.5rem; }
    .color-model-grid { grid-template-columns: repeat(3, 1fr); }
    .color-model-preview { height: 50px; }
    .summary-toggle-btn { display: block; }
    .config-summary .summary-body { display: none; }
    .config-summary.expanded .summary-body { display: block; }
    .ref-grid { grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); }
}

/* ===================================================================
   Contact Page & Forms
   =================================================================== */
.contact-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 3rem; max-width: 1000px; margin: 0 auto;
}
.contact-info-title {
    font-size: 1.8rem; font-weight: 700; color: var(--secondary); margin-bottom: 1.5rem;
}
.contact-items { display: flex; flex-direction: column; gap: 1.5rem; }
.contact-item {
    display: flex; gap: 1rem; align-items: flex-start;
}
.contact-icon {
    width: 45px; height: 45px; min-width: 45px;
    background: rgba(193,18,31,0.1); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.contact-icon i { color: var(--primary); }
.contact-item h4 { font-weight: 600; color: var(--secondary); margin-bottom: 0.2rem; }
.contact-item a, .contact-item p { color: var(--text-light); font-size: 0.95rem; }

.contact-form {
    background: var(--light); padding: 2rem; border-radius: var(--radius-lg);
}
.offerte-form {
    background: var(--white); padding: 2.5rem; border-radius: var(--radius-lg);
    box-shadow: 0 4px 20px rgba(0,0,0,0.06); border: 1px solid rgba(0,0,0,0.05);
}
.container-narrow { max-width: 700px; }

.form-group { margin-bottom: 1.5rem; }
.form-label {
    display: block; font-weight: 600; margin-bottom: 0.5rem; color: var(--secondary);
}
.form-input {
    width: 100%; padding: 0.8rem 1rem; border: 1px solid #ddd;
    border-radius: 8px; font-size: 1rem; background: white;
    font-family: inherit; transition: border-color 0.3s;
}
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(193,18,31,0.08); }
.form-select { appearance: auto; }
.form-textarea { resize: vertical; min-height: 100px; }
.btn-full { width: 100%; justify-content: center; }
.form-note { text-align: center; color: var(--text-light); font-size: 0.85rem; margin-top: 1rem; }

/* ===================================================================
   FULL MOBILE RESPONSIVE — All Pages
   =================================================================== */
@media (max-width: 768px) {
    /* Contact */
    .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
    .contact-info-title { font-size: 1.4rem; }
    .contact-form { padding: 1.5rem; }
    .offerte-form { padding: 1.5rem; }

    /* Hero smaller */
    .hero { min-height: 60vh !important; padding-top: 70px; }
    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .hero-badge { font-size: 0.75rem; padding: 0.4rem 1rem; }

    /* Footer stacked */
    .footer { padding: 3rem 0 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { font-size: 0.75rem; }

    /* Sections tighter */
    .section { padding: 3rem 0; }
    .section-header h2 { font-size: 1.6rem; }
    .section-header p { font-size: 0.95rem; }

    /* Services grid stack */
    .services-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    .service-card-image { height: 180px; }

    /* Features 1 col */
    .features-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    .feature-item { padding: 1.8rem 1.2rem; }

    /* Process 2 col */
    .process-grid { grid-template-columns: 1fr 1fr; gap: 1.2rem; }
    .process-step { padding: 1.5rem 1rem; }

    /* Reviews stack */
    .reviews-grid { grid-template-columns: 1fr; gap: 1.2rem; }
    .review-card { padding: 1.5rem; }

    /* Brands wrap */
    .brands-grid { gap: 0.8rem; }
    .brand-logo { padding: 0.8rem 1.2rem; font-size: 0.85rem; }

    /* Stats 2x2 */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .stat-item h3 { font-size: 1.8rem; }

    /* CTA */
    .cta-section { padding: 3.5rem 0; }
    .cta-section h2 { font-size: 1.8rem; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .hero-buttons .btn { justify-content: center; }

    /* Product grid */
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 0.8rem; }
    .product-card-image { height: 140px; }
    .product-card-info { padding: 0.8rem; }
    .product-card-info h3 { font-size: 0.9rem; }
    .product-card-info p { font-size: 0.7rem; }

    /* Nav mobile z-index fix */
    .nav-links { z-index: 9998; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.7rem; }
    .hero p { font-size: 0.9rem; margin-bottom: 1.5rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item h3 { font-size: 1.5rem; }
    .process-grid { grid-template-columns: 1fr; }
    .container { padding: 0 1rem; }
    .section-header h2 { font-size: 1.4rem; }
    .offerte-form { padding: 1.2rem; }
    .contact-form { padding: 1.2rem; }
    .form-input { padding: 0.7rem 0.8rem; font-size: 0.9rem; }
    .product-grid { grid-template-columns: 1fr 1fr; gap: 0.6rem; }
    .product-card-image { height: 120px; }

    /* Configurator mobile */
    .color-model-grid { grid-template-columns: repeat(2, 1fr); gap: 0.4rem; }
    .color-model-preview { height: 40px; }
    .color-model-btn span { font-size: 0.55rem; }
    .option-grid-4 { grid-template-columns: 1fr 1fr; }
    .option-grid-3 { grid-template-columns: 1fr; }
    .extra-option { padding: 0.5rem 0.6rem; flex-wrap: wrap; }
    .extra-price { font-size: 0.75rem; }
}

/* ===================================================================
   LANGUAGE SELECTOR
   =================================================================== */
.nav-lang-item { position: relative; }
.lang-selector { position: relative; }
.lang-selector-mobile { display: none; }
.lang-current {
    display: flex; align-items: center; gap: 0.4rem;
    background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.4rem 0.7rem; border-radius: 50px; cursor: pointer;
    color: rgba(255, 255, 255, 0.8); font-size: 0.85rem; font-weight: 500;
    transition: var(--transition);
}
.lang-current:hover { background: rgba(255, 255, 255, 0.15); color: #fff; }
.lang-flag { font-size: 1.1rem; line-height: 1; }
.lang-code { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.5px; }
.lang-arrow { font-size: 0.55rem; transition: transform 0.3s; margin-left: 2px; }
.lang-selector.open .lang-arrow { transform: rotate(180deg); }

.lang-dropdown {
    position: absolute; top: calc(100% + 8px); right: 0;
    background: var(--dark-surface); border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius); padding: 0.4rem;
    min-width: 200px; z-index: 9999;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.lang-selector.open .lang-dropdown {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-option {
    display: flex; align-items: center; gap: 0.6rem;
    padding: 0.55rem 0.8rem; border-radius: 8px;
    color: rgba(255, 255, 255, 0.7); font-size: 0.85rem; font-weight: 500;
    text-decoration: none; transition: var(--transition);
}
.lang-option:hover { background: rgba(255, 255, 255, 0.08); color: #fff; }
.lang-option.active { background: rgba(193, 18, 31, 0.15); color: var(--primary-light); }
.lang-option .fa-check { margin-left: auto; font-size: 0.7rem; color: var(--primary); }
.lang-name { flex: 1; }

.nav-right-group {
    display: flex; align-items: center; gap: 0.8rem;
}

@media (max-width: 768px) {
    .nav-lang-item { display: none; }
    .lang-selector-mobile { display: block; }
    .lang-selector-mobile .lang-code { display: none; }
    .lang-selector-mobile .lang-dropdown { right: auto; left: -60px; }
}

/* ===================================================================
   RTL SUPPORT (Arabic)
   =================================================================== */
body.rtl { direction: rtl; text-align: right; }
body.rtl .nav-container { flex-direction: row-reverse; }
body.rtl .nav-links { flex-direction: row-reverse; }
body.rtl .hero-buttons { flex-direction: row-reverse; }
body.rtl .btn i { margin-left: 0.5rem; margin-right: 0; }
body.rtl .breadcrumb { flex-direction: row-reverse; }
body.rtl .breadcrumb i { transform: rotate(180deg); }
body.rtl .product-layout { direction: rtl; }
body.rtl .product-specs li { flex-direction: row-reverse; }
body.rtl .product-trust { flex-direction: row-reverse; }
body.rtl .product-trust span { flex-direction: row-reverse; }
body.rtl .footer-grid { direction: rtl; }
body.rtl .feature-item { text-align: center; }
body.rtl .service-card-body .card-link i { transform: rotate(180deg); }
body.rtl .product-card-link i { transform: rotate(180deg); }
body.rtl .summary-row { flex-direction: row-reverse; }
body.rtl .extra-option { flex-direction: row-reverse; }
body.rtl .extra-info { flex-direction: row-reverse; }
body.rtl .lang-dropdown { right: auto; left: 0; }
body.rtl .nav-right-group { flex-direction: row-reverse; }
body.rtl .mobile-toggle { order: -1; }
body.rtl .nav-links a::after { left: auto; right: 0; }