/* ============================================
   铭轩科技 - 家具公司网站样式
   ============================================ */

:root {
    --primary: #8B5E3C;
    --primary-dark: #6B3F2A;
    --primary-light: #A67C5B;
    --secondary: #2C3E50;
    --accent: #D4A574;
    --accent-light: #E8C9A8;
    --bg-light: #F8F5F1;
    --bg-dark: #1A1A2E;
    --text-dark: #2D2D2D;
    --text-gray: #6B7280;
    --text-light: #9CA3AF;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 40px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--bg-light);
}

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

ul {
    list-style: none;
}

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

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

/* ============== Section Styles ============== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
}

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

.section-divider {
    width: 60px;
    height: 3px;
    background: var(--primary);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.section-desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-gray);
    font-size: 1.05rem;
}

.section-desc.white {
    color: rgba(255,255,255,0.8);
}

/* ============== Navigation ============== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    padding: 10px 0;
}

.navbar.scrolled .logo-text,
.navbar.scrolled .nav-menu a {
    color: var(--text-dark);
}

.navbar.scrolled .logo-icon {
    color: var(--primary);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-icon {
    font-size: 1.8rem;
    color: var(--white);
    transition: var(--transition);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-menu a {
    color: rgba(255,255,255,0.85);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 5px 0;
    position: relative;
    transition: var(--transition);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--white);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--text-dark);
}

/* ============== Hero Section ============== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1616486338812-3dadae4b4ace?w=1920&q=80') center/cover no-repeat;
    opacity: 0.3;
    animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26,26,46,0.85) 0%, rgba(22,33,62,0.75) 50%, rgba(15,52,96,0.7) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    max-width: 800px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 4px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 15px;
    font-weight: 300;
    letter-spacing: 2px;
}

.hero-desc {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: inherit;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(139,94,60,0.4);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(139,94,60,0.5);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline:hover {
    border-color: var(--accent);
    background: rgba(212,165,116,0.1);
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 20px;
    font-size: 0.85rem;
    border-radius: 30px;
}

.btn-block {
    width: 100%;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.6);
    font-size: 0.8rem;
    animation: bounceDown 2s ease-in-out infinite;
}

@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ============== About Section ============== */
.about {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px 10px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.stat-num {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-num::after {
    content: attr(data-suffix);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 5px;
    display: block;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-hover);
}

.about-image-box {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--primary);
    color: var(--white);
    padding: 25px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 10px 30px rgba(139,94,60,0.3);
}

.about-image-box i {
    font-size: 2rem;
    margin-bottom: 8px;
}

.about-image-box span {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ============== Philosophy Section ============== */
.philosophy {
    background: linear-gradient(135deg, var(--secondary) 0%, #1a2a3a 100%);
    position: relative;
}

.philosophy::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1618221195710-dd6b41faaea6?w=1920&q=80') center/cover no-repeat;
    opacity: 0.05;
}

.philosophy-text {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    color: rgba(255,255,255,0.85);
    font-size: 1.05rem;
    line-height: 1.9;
}

.philosophy-text p {
    margin-bottom: 15px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    position: relative;
    z-index: 2;
}

.value-card {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 35px 20px;
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-8px);
}

.value-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(212,165,116,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    color: var(--accent);
}

.value-card h4 {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.value-card p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ============== Products Section ============== */
.products {
    background: var(--bg-light);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

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

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

.product-img {
    position: relative;
    overflow: hidden;
    height: 240px;
}

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

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

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

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

.product-info {
    padding: 25px;
}

.product-label {
    display: inline-block;
    background: var(--accent-light);
    color: var(--primary-dark);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.product-info h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.product-info > p {
    color: var(--text-gray);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.product-features {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-features li {
    font-size: 0.85rem;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-features i {
    color: var(--primary);
    font-size: 0.9rem;
}

/* ============== Design Styles Section ============== */
.styles {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
}

.styles::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?w=1920&q=80') center/cover no-repeat;
    opacity: 0.04;
}

.styles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    position: relative;
    z-index: 2;
}

.style-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.style-card:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.1);
}

.style-img {
    height: 250px;
    overflow: hidden;
}

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

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

.style-info {
    padding: 25px;
    position: relative;
}

.style-number {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(255,255,255,0.05);
    position: absolute;
    top: 10px;
    right: 20px;
    line-height: 1;
}

.style-info h3 {
    color: var(--white);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.style-info p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 15px;
}

.style-tag {
    display: inline-block;
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 2px;
    font-weight: 500;
}

/* ============== Cases Section ============== */
.cases {
    background: var(--white);
}

.cases-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 10px 30px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    font-family: inherit;
}

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

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.case-card {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--white);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.case-img {
    height: 220px;
    position: relative;
    overflow: hidden;
}

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

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

.case-marker {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.case-info {
    padding: 20px;
}

.case-brand {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.case-info h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.case-info p {
    color: var(--text-gray);
    font-size: 0.85rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.case-tags span {
    background: var(--bg-light);
    padding: 4px 12px;
    border-radius: 15px;
    font-size: 0.75rem;
    color: var(--text-gray);
}

.cases-more {
    text-align: center;
    margin-top: 50px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: var(--radius);
}

.cases-more p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ============== Coverage Section ============== */
.coverage {
    background: var(--bg-light);
}

.coverage-content {
    text-align: center;
}

.coverage-map {
    margin-bottom: 30px;
}

.coverage-regions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.region-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px 30px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    font-size: 1.05rem;
    font-weight: 500;
    min-width: 120px;
    justify-content: center;
}

.region-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    background: var(--primary);
    color: var(--white);
}

.region-item i {
    color: var(--accent);
    font-size: 1.1rem;
}

.region-item:hover i {
    color: var(--white);
}

.coverage-desc {
    color: var(--text-gray);
    font-size: 1rem;
    margin-top: 30px;
}

/* ============== Contact Section ============== */
.contact {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow);
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-detail h4 {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-bottom: 3px;
}

.contact-detail p,
.contact-detail a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
}

.contact-detail a:hover {
    color: var(--primary);
}

.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius-lg);
}

.form-group {
    position: relative;
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 45px 15px 15px;
    border: 2px solid transparent;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--white);
    transition: var(--transition);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(139,94,60,0.1);
}

.form-group i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.form-group textarea ~ i {
    top: 20px;
    transform: none;
}

/* ============== Footer ============== */
.footer {
    background: var(--secondary);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-about h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.footer-about p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-contact i {
    width: 20px;
    color: var(--accent);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
}

/* ============== Back to Top ============== */
.back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(139,94,60,0.3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

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

.back-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ============== Animations ============== */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}
[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}
[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}
[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="flip-up"] {
    transform: perspective(400px) rotateX(10deg);
}
[data-aos="flip-up"].aos-animate {
    transform: perspective(400px) rotateX(0);
}

/* ============== Responsive ============== */
@media (max-width: 1024px) {
    .values-grid { grid-template-columns: repeat(3, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .styles-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .section-title { font-size: 2rem; }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(26,26,46,0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
    }

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

    .nav-menu a {
        color: var(--white) !important;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .hero-btns { flex-direction: column; align-items: center; }

    .about-content { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .about-image-box { right: 10px; }

    .values-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: 1fr; }
    .styles-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .contact-content { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; gap: 30px; }

    .coverage-regions { gap: 10px; }
    .region-item { min-width: 100px; padding: 12px 20px; }

    .cases-filter { flex-wrap: wrap; }
}

/* ============== Case View Button ============== */
.case-img {
    position: relative;
}

.case-view-btn {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0,0,0,0.7);
    color: var(--white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 5px;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition);
    cursor: pointer;
    backdrop-filter: blur(5px);
    z-index: 3;
}

.case-card:hover .case-view-btn {
    opacity: 1;
    transform: translateY(0);
}

.case-card {
    cursor: pointer;
}

/* ============== Modal ============== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    padding: 40px 20px;
    overflow-y: auto;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 1000px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.4s ease;
}

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

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0,0,0,0.1);
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 10;
}

.modal-close:hover {
    background: var(--primary);
    color: var(--white);
    transform: rotate(90deg);
}

.modal-body {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
}

.modal-gallery {
    padding: 30px;
    background: #f5f5f5;
}

.modal-gallery-main {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4/3;
    background: #e0e0e0;
}

.modal-gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.4s ease;
}

.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;
    font-size: 1rem;
    color: var(--text-dark);
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.gallery-nav:hover {
    background: var(--white);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.gallery-prev { left: 10px; }
.gallery-next { right: 10px; }

.modal-gallery-thumbs {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.modal-gallery-thumbs img {
    width: 70px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    opacity: 0.5;
    transition: var(--transition);
    flex-shrink: 0;
}

.modal-gallery-thumbs img.active,
.modal-gallery-thumbs img:hover {
    opacity: 1;
    outline: 3px solid var(--primary);
    outline-offset: -2px;
}

.modal-info {
    padding: 35px;
}

.modal-brand {
    display: inline-block;
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.modal-info h2 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    line-height: 1.4;
}

.modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.modal-meta span {
    background: var(--bg-light);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-gray);
    font-weight: 500;
}

.modal-desc {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 2;
}

.modal-desc p {
    margin-bottom: 12px;
}

.modal-desc ul {
    list-style: none;
    padding: 0;
    margin-bottom: 15px;
}

.modal-desc ul li {
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.modal-desc ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

@media (max-width: 768px) {
    .modal-body { grid-template-columns: 1fr; }
    .modal-gallery { padding: 20px; }
    .modal-info { padding: 25px; }
    .modal-overlay { padding: 20px 10px; }
    .modal-container { max-height: 85vh; }
    .modal-info h2 { font-size: 1.2rem; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 2rem; }
    .hero-desc { font-size: 0.95rem; }
    .values-grid { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .contact-form { padding: 20px; }
    .region-item { min-width: 80px; padding: 10px 15px; font-size: 0.9rem; }
}