/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a365d;
    --secondary-color: #2563eb;
    --accent-color: #3b82f6;
    --text-dark: #1e293b;
    --text-light: #64748b;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --gradient-1: linear-gradient(135deg, #1a365d 0%, #2563eb 100%);
    --gradient-2: linear-gradient(135deg, #2563eb 0%, #3b82f6 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Raleway', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

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

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

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

.logo h1 {
    font-family: 'Playfair Display', serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.logo span {
    color: var(--secondary-color);
    margin-left: 5px;
}

.logo img {
    height: 90px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--secondary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #fcf4ee;
    background-image: linear-gradient(rgba(252, 244, 238, 0.3), rgba(252, 244, 238, 0.4)), url('../assets/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    margin-top: 70px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(26,54,93,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--text-dark);
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: 0px;
    color: var(--primary-color);
}

.hero-subtitle {
    font-family: 'Raleway', sans-serif;
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    letter-spacing: 1px;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--text-light);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-block;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: #2c3e50;
}

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

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    margin-top: 1rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(26, 54, 93, 0.5);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 10px;
    background: rgba(26, 54, 93, 0.5);
    border-radius: 2px;
    animation: scroll 1.5s infinite;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

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

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-2);
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

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

/* Features Section */
.features {
    background: var(--bg-light);
}

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

/* Mission & Vision Grid */
.mission-vision-grid {
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 768px) {
    .mission-vision-grid {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--white);
}

.feature-icon svg {
    width: 35px;
    height: 35px;
}

.feature-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.7;
}

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

.product-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.product-image {
    height: 250px;
    background: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 54, 93, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.product-link {
    color: var(--white);
    text-decoration: none;
    padding: 0.875rem 2rem;
    border: 2px solid var(--white);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.product-link:hover {
    background: var(--white);
    color: var(--primary-color);
}

.product-info {
    padding: 2rem;
}

.product-info h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.product-info p {
    color: var(--text-light);
}

/* Stats Section */
.stats {
    background: var(--gradient-1);
    background-image: linear-gradient(rgba(26, 54, 93, 0.9), rgba(37, 99, 235, 0.9)), url('../assets/stats-bg.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.stats-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="2" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    position: relative;
    z-index: 2;
}

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

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* Projects Section */
.projects {
    background: var(--bg-light);
}

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

.project-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.project-image {
    height: 300px;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 54, 93, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay span {
    color: var(--white);
    font-size: 2.5rem;
}

.project-info {
    padding: 2rem;
}

.project-info h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-light);
}

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

.reference-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.reference-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.reference-card h4 {
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.reference-logo {
    width: 100%;
    height: auto;
    max-width: 180px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.reference-card:hover .reference-logo {
    filter: grayscale(0%);
    opacity: 1;
}

/* Contact Section */
.contact {
    background: var(--bg-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: start;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-item h4 {
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

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

.contact-form-wrapper {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--bg-light);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    background: var(--white);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-form .btn {
    width: 100%;
    border: none;
    cursor: pointer;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

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

.footer-section h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-section h4 {
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.footer-section p,
.footer-section ul {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--white);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

/* Page Header (Inner Pages) */
.page-header {
    background: var(--gradient-1);
    padding: 8rem 0 4rem;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.page-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.breadcrumb {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb a:hover {
    color: var(--white);
}

/* FAQ Accordion */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question.active {
    background: var(--primary-color);
    color: var(--white);
}

.faq-icon {
    font-size: 1.5rem;
    transition: var(--transition);
}

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

.faq-answer {
    padding: 0 2rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-light);
    line-height: 1.8;
}

.faq-answer.active {
    padding: 1.5rem 2rem;
    max-height: 500px;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 8px;
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    color: var(--white);
    font-size: 2.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    color: var(--accent-color);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--white);
    font-size: 3rem;
    cursor: pointer;
    padding: 20px;
    transition: var(--transition);
}

.lightbox-nav:hover {
    color: var(--accent-color);
}

.lightbox-prev {
    left: -80px;
}

.lightbox-next {
    right: -80px;
}

/* Flipbook / Catalog */
.flipbook-container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--bg-light);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.flipbook-wrapper {
    position: relative;
    width: 100%;
    padding-top: 70%;
}

.flipbook-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-btn svg {
    width: 30px;
    height: 30px;
    fill: var(--white);
}

/* Google Map */
.map-container {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-top: 3rem;
}

.map-container iframe {
    width: 100%;
    height: 400px;
    border: none;
}

/* Glass Patterns Grid */
.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.pattern-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

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

.pattern-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.pattern-card h4 {
    padding: 1.5rem;
    font-family: 'Playfair Display', serif;
    color: var(--primary-color);
}

/* View All Link */
.view-all {
    text-align: center;
    margin-top: 3rem;
}

/* CTA Section */
.cta {
    background: var(--gradient-1);
    padding: 4rem 0;
    text-align: center;
}

.cta-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.cta-content .btn {
    display: inline-flex;
    align-items: center;
}

@media (max-width: 640px) {
    .cta-content h2 {
        font-size: 1.5rem;
    }
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* Counter Animation */
.stat-number {
    transition: all 0.5s ease;
}

/* Responsive Design */
@media (max-width: 968px) {
    .logo img {
        height: 70px;
    }

    .nav-menu {
        position: fixed;
        top: 75px;
        left: 0;
        right: 0;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        background: linear-gradient(180deg, rgba(255,255,255,0.98) 0%, rgba(248,250,252,0.98) 100%);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 0;
        gap: 0;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        border-radius: 0 0 20px 20px;
    }

    .nav-menu.active {
        max-height: 80vh;
        padding: 1rem 0 1.5rem;
        overflow-y: auto;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
        opacity: 0;
        transform: translateY(-10px);
        transition: opacity 0.3s ease, transform 0.3s ease;
    }

    .nav-menu.active li {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-menu.active li:nth-child(1) { transition-delay: 0.1s; }
    .nav-menu.active li:nth-child(2) { transition-delay: 0.15s; }
    .nav-menu.active li:nth-child(3) { transition-delay: 0.2s; }
    .nav-menu.active li:nth-child(4) { transition-delay: 0.25s; }
    .nav-menu.active li:nth-child(5) { transition-delay: 0.3s; }
    .nav-menu.active li:nth-child(6) { transition-delay: 0.35s; }
    .nav-menu.active li:nth-child(7) { transition-delay: 0.4s; }

    .nav-menu .nav-link {
        display: block;
        padding: 0.875rem 2rem;
        font-size: 1.05rem;
        font-weight: 500;
        color: var(--text-dark);
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        transition: all 0.2s ease;
    }

    .nav-menu .nav-link:hover,
    .nav-menu .nav-link.active {
        background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.08), transparent);
        color: var(--secondary-color);
    }

    .nav-menu .nav-link::after {
        display: none;
    }

    .hamburger {
        display: flex;
        width: 28px;
        height: 20px;
        position: relative;
        z-index: 100;
    }

    .hamburger span {
        position: absolute;
        width: 100%;
        height: 2.5px;
        background: var(--primary-color);
        border-radius: 2px;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .hamburger span:nth-child(1) {
        top: 0;
    }

    .hamburger span:nth-child(2) {
        top: 50%;
        transform: translateY(-50%);
    }

    .hamburger span:nth-child(3) {
        bottom: 0;
    }

    .hamburger.active span:nth-child(1) {
        top: 50%;
        transform: translateY(-50%) rotate(45deg);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
        transform: translateX(10px);
    }

    .hamburger.active span:nth-child(3) {
        bottom: 50%;
        transform: translateY(50%) rotate(-45deg);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.875rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .products-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }

    .page-header {
        padding: 6rem 0 3rem;
    }

    .page-header h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 640px) {
    .hero {
        height: auto;
        min-height: 100vh;
        padding: 4rem 0;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .stat-number {
        font-size: 3rem;
    }

    .contact-form-wrapper {
        padding: 2rem;
    }

    section {
        padding: 3rem 0;
    }

    .features-grid,
    .references-grid {
        grid-template-columns: 1fr;
    }

    .logo h1 {
        font-size: 1.25rem;
    }

    .page-header {
        padding: 5rem 0 2rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }

    /* iOS fix for background-attachment */
    .hero,
    .stats {
        background-attachment: scroll;
    }
}

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

.nav-menu li.dropdown > a::after {
    content: ' ▾';
    font-size: 0.75rem;
    margin-left: 4px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 200px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1001;
    padding: 0.5rem 0;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.dropdown-menu li a:hover {
    background: var(--bg-light);
    color: var(--secondary-color);
}

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

/* Mobile Dropdown */
@media (max-width: 968px) {
    .nav-menu li.dropdown > a {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
    }

    .nav-menu li.dropdown > a::after {
        content: '▾';
        font-size: 0.7rem;
        transition: transform 0.3s ease;
        display: inline-block;
    }

    .nav-menu li.dropdown.active > a::after {
        transform: rotate(180deg);
    }

    .nav-menu li.dropdown.active > a {
        color: var(--secondary-color);
        background: rgba(37, 99, 235, 0.05);
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
        border-radius: 12px;
        margin: 0.5rem 1rem 0;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
        border-left: 3px solid var(--secondary-color);
    }

    .nav-menu li.dropdown.active .dropdown-menu {
        max-height: 400px;
        padding: 0.75rem 0;
    }

    .dropdown-menu li {
        opacity: 1 !important;
        transform: none !important;
    }

    .dropdown-menu li a {
        padding: 0.65rem 1.25rem;
        font-size: 0.9rem;
        color: var(--text-dark);
        border-bottom: none;
        text-align: left;
        transition: all 0.2s ease;
    }

    .dropdown-menu li a:hover {
        background: rgba(37, 99, 235, 0.08);
        color: var(--secondary-color);
        padding-left: 1.5rem;
    }
}

/* Pattern Code Badge */
.pattern-code {
    display: block;
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    color: var(--text-light);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Distributor Badge */
.distributor-badge {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    border: 2px solid #10b981;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.badge-content {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.badge-icon {
    width: 60px;
    height: 60px;
    background: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.badge-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.badge-text h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: #065f46;
    margin-bottom: 0.5rem;
}

.badge-text p {
    color: #047857;
    line-height: 1.6;
}

/* Products Info Grid */
.products-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.product-info-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.product-info-icon svg {
    width: 30px;
    height: 30px;
    color: white;
}

.product-info-card h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.product-info-card > p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

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

.product-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
    font-size: 0.95rem;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 600;
}

/* Responsive Distributor Badge */
@media (max-width: 640px) {
    .badge-content {
        flex-direction: column;
        text-align: center;
    }

    .badge-text h3 {
        font-size: 1.25rem;
    }

    .products-info-grid {
        grid-template-columns: 1fr;
    }
}

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

.series-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.series-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.series-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.series-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.series-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.series-count {
    background: var(--secondary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.series-content {
    padding: 1.5rem;
}

.series-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.series-content > p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.series-features {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.series-features li {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.35rem 0.75rem;
    border-radius: 15px;
    font-size: 0.85rem;
}

a.series-card {
    display: block;
    text-decoration: none;
    color: inherit;
}

.series-content .btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.6rem 1.2rem;
    font-size: 0.9rem;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

@media (max-width: 768px) {
    .series-grid {
        grid-template-columns: 1fr;
    }

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

/* Subcategory Tabs */
.subcategory-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    font-family: 'Raleway', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover,
.tab-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

@media (max-width: 768px) {
    .subcategory-tabs {
        gap: 0.5rem;
    }

    .tab-btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
}

/* Specs Accordion */
.specs-accordion-section {
    padding: 1rem 0;
}

.specs-accordion {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.specs-accordion-header {
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    background: var(--primary-color);
    color: white;
    transition: var(--transition);
}

.specs-accordion-header:hover {
    background: #2c3e50;
}

.specs-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.specs-title svg {
    width: 20px;
    height: 20px;
}

.specs-toggle-icon {
    font-size: 1.5rem;
    font-weight: 300;
    line-height: 1;
}

.specs-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 1.5rem;
}

.specs-accordion-content.active {
    max-height: 500px;
    padding: 1.5rem;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.spec-item h5 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
}

.spec-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 0.35rem;
    line-height: 1.5;
}

.color-badges {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.color-badge {
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.color-badge.chrome {
    background: linear-gradient(135deg, #e8e8e8, #c0c0c0);
    color: #333;
}

.color-badge.black {
    background: #2d2d2d;
    color: white;
}

.color-badge.gold {
    background: linear-gradient(135deg, #f4d03f, #c9a227);
    color: #333;
}

@media (max-width: 640px) {
    .specs-accordion-header {
        padding: 0.875rem 1rem;
    }

    .specs-title {
        font-size: 0.95rem;
    }

    .specs-accordion-content.active {
        padding: 1rem;
    }

    .specs-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}