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

:root {
    --primary: #0066cc;
    --primary-dark: #004499;
    --secondary: #005599;
    --accent: #0088dd;
    --accent-light: #44aadd;
    --bg: #f2f5f9;
    --bg-alt: #e6ecf3;
    --surface: #ffffff;
    --surface-glass: rgba(255, 255, 255, 0.75);
    --text: #1a2636;
    --text-light: #4a5a6a;
    --text-muted: #7a8a9a;
    --border: rgba(0, 80, 160, 0.1);
    --border-focus: rgba(0, 100, 200, 0.28);
    --radius: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 10px rgba(0, 80, 160, 0.05);
    --shadow: 0 4px 20px rgba(0, 80, 160, 0.08);
    --shadow-lg: 0 10px 36px rgba(0, 80, 160, 0.1);
    --shadow-glow: 0 0 24px rgba(0, 140, 220, 0.12), 0 0 48px rgba(0, 140, 220, 0.04);
    --shadow-glow-lg: 0 0 40px rgba(0, 160, 230, 0.16), 0 0 80px rgba(0, 160, 230, 0.06);
    --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 15% 50%, rgba(0, 110, 200, 0.035) 0%, transparent 56%),
        radial-gradient(ellipse at 85% 20%, rgba(0, 150, 220, 0.025) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 85%, rgba(0, 90, 180, 0.018) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: bgShift 20s ease-in-out infinite;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    box-shadow: 0 1px 20px rgba(0, 80, 160, 0.06);
    border-bottom: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), var(--accent), transparent);
    opacity: 0.35;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 2px 24px rgba(0, 80, 160, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    gap: 24px;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-light);
    font-weight: 500;
    font-size: 15px;
    position: relative;
    transition: var(--transition);
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 1px;
    transition: width 0.35s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.language-selector {
    position: relative;
    display: flex;
    align-items: center;
}

.language-selector > a {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 14px;
    background: rgba(0, 102, 204, 0.05);
    border-radius: 8px;
    color: var(--primary);
    font-weight: 500;
    text-decoration: none;
    font-size: 14px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.language-selector > a:hover {
    background: rgba(0, 102, 204, 0.1);
    border-color: var(--border-focus);
}

.language-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--surface-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    min-width: 180px;
    max-height: 320px;
    overflow-y: auto;
    z-index: 100;
}

.language-selector:hover .language-menu,
.language-selector.active .language-menu {
    display: block;
    animation: fadeIn 0.25s ease;
}

.language-menu a {
    display: block;
    padding: 10px 16px;
    text-decoration: none;
    color: var(--text);
    font-size: 14px;
    transition: var(--transition);
}

.language-menu a:hover {
    background: rgba(0, 102, 204, 0.06);
    color: var(--primary);
}

.hero {
    background: #0a1628;
    color: #fff;
    padding: 0;
    margin-top: 0;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: row;
}

.hero-video-full {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    max-width: 100vw;
    z-index: 1;
    object-fit: cover;
    display: block;
}

.hero-left {
    flex: 0 0 42%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px 48px;
    position: relative;
    z-index: 2;
    background: rgba(10, 22, 40, 0.35);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.hero-left::after {
    content: '';
    position: absolute;
    right: 0;
    top: 12%;
    height: 76%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(0, 170, 255, 0.3), transparent);
}

.hero-right {
    flex: 1;
    position: relative;
    z-index: 1;
}

.hero-content {
    text-align: left;
    max-width: 480px;
    width: 100%;
}

.hero h1 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 18px;
    line-height: 1.2;
    background: linear-gradient(135deg, #fff 0%, #a0d8ff 50%, #60b8ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 16px;
    margin-bottom: 28px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
}

.hero .hero-stats {
    display: flex;
    gap: 24px;
    margin-top: 28px;
}

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

.hero .hero-stat-num {
    font-size: 26px;
    font-weight: 700;
    color: #60b8ff;
}

.hero .hero-stat-label {
    font-size: 11px;
    color: rgba(255, 255, 255, 0.55);
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.page-hero {
    background: linear-gradient(160deg, #e7eef7 0%, #f0f5fb 40%, #edf3f9 65%, #e2eaf4 100%);
    color: var(--text);
    padding: 150px 0 70px;
    margin-top: 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(0, 130, 210, 0.05) 0%, transparent 55%),
        radial-gradient(ellipse at 70% 30%, rgba(0, 160, 240, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.page-hero p {
    font-size: 18px;
    color: var(--text-light);
    position: relative;
    z-index: 1;
}

.btn {
    display: inline-block;
    padding: 13px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 80, 180, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 22px rgba(0, 80, 180, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-accent {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 140, 220, 0.25);
    margin-left: 12px;
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 22px rgba(0, 140, 220, 0.35);
}

.btn-accent::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s ease;
}

.btn-accent:hover::before {
    left: 100%;
}

.section {
    padding: 90px 0;
    position: relative;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 45px;
    position: relative;
    display: inline-block;
    color: var(--text);
    letter-spacing: -0.02em;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 56px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-light));
    border-radius: 2px;
}

.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.product-card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    text-decoration: none;
    display: block;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.025), rgba(0, 160, 230, 0.025));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--border-focus);
}

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

.product-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.product-card h3::before {
    content: '\2192';
    font-size: 16px;
    transition: var(--transition);
    color: var(--accent);
}

.product-card:hover h3::before {
    transform: translateX(6px);
}

.product-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.about-section {
    background: var(--surface);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 55%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 110, 200, 0.025), rgba(0, 160, 230, 0.025));
    clip-path: polygon(25% 0, 100% 0, 100% 100%, 0% 100%);
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.about-text h3 {
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--primary-dark);
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.7;
    color: var(--text-light);
}

.about-video {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    position: relative;
    border: 1px solid var(--border);
}

.about-video video {
    display: block;
    width: 100%;
    height: auto;
}

.play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    z-index: 10;
}

.play-overlay:hover {
    opacity: 1;
}

.about-video video.playing + .play-overlay {
    display: none;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 70px;
}

.feature-item {
    text-align: center;
    padding: 36px 28px;
    background: var(--bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0.45;
    transition: opacity 0.3s;
}

.feature-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: var(--border-focus);
}

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

.feature-item svg {
    width: 56px;
    height: 56px;
    margin-bottom: 20px;
    color: var(--primary);
    transition: var(--transition);
    filter: drop-shadow(0 2px 5px rgba(0, 120, 210, 0.15));
}

.feature-item:hover svg {
    transform: scale(1.08);
    color: var(--accent);
}

.feature-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text);
}

.feature-item p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 14px;
}

.contact-section {
    background: linear-gradient(160deg, #e7eef7 0%, #f0f5fb 30%, #edf3f9 70%);
    color: var(--text);
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(0, 130, 210, 0.04) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 30%, rgba(0, 160, 240, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.contact-section .section-title {
    color: var(--primary-dark);
}

.contact-form {
    background: var(--surface-glass);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    padding: 44px;
    max-width: 580px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--primary);
}

.contact-form p {
    margin-bottom: 24px;
    line-height: 1.6;
    color: var(--text-light);
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-light);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    background: var(--surface);
    color: var(--text);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 160, 230, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.product-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 36px;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.product-table th,
.product-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.product-table th {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    font-weight: 600;
    font-size: 15px;
}

.product-table tr:hover {
    background-color: rgba(0, 102, 204, 0.03);
}

footer {
    background: linear-gradient(180deg, #182636 0%, #122030 100%);
    color: rgba(255, 255, 255, 0.85);
    padding: 70px 0 36px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-light), var(--accent), transparent);
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 48px;
    margin-bottom: 36px;
    position: relative;
    z-index: 1;
}

.footer-section h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    display: inline-block;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--accent);
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.65);
    text-decoration: none;
    line-height: 1.6;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-bottom {
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 13px;
    position: relative;
    z-index: 1;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--primary);
    font-size: 24px;
    cursor: pointer;
    z-index: 1001;
}

.wechat-float {
    position: fixed;
    bottom: 260px;
    right: 20px;
    width: 56px;
    height: 56px;
    background-color: #07C160;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(7, 193, 96, 0.25);
    z-index: 999;
    transition: transform 0.3s ease;
}

.wechat-float:hover {
    transform: scale(1.08);
    background-color: #06AD56;
}

.whatsapp-float {
    position: fixed;
    width: 56px;
    height: 56px;
    bottom: 200px;
    right: 20px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.25);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128c7e;
    transform: scale(1.08);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
}

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--surface-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    margin: 12% auto;
    padding: 30px;
    border-radius: var(--radius);
    width: 90%;
    max-width: 400px;
    text-align: center;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
}

.modal-content h3 {
    margin-bottom: 14px;
    color: var(--text);
}

.modal-content p {
    margin-bottom: 18px;
    color: var(--text-light);
}

.qr-placeholder {
    width: 200px;
    height: 200px;
    margin: 0 auto;
    background: var(--bg);
    border: 2px dashed var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
}

.close {
    color: var(--text-muted);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover,
.close:focus {
    color: var(--primary);
    text-decoration: none;
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes shimmer {
    0% { transform: translateX(-100%) rotate(45deg); }
    100% { transform: translateX(100%) rotate(45deg); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes bgShift {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes floatUp {
    0%, 100% { transform: translateY(0); box-shadow: var(--shadow), var(--shadow-glow); }
    50% { transform: translateY(-8px); box-shadow: var(--shadow-lg), var(--shadow-glow-lg); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 16px 24px;
        gap: 4px;
        z-index: 999;
        overflow-y: auto;
        box-shadow: 0 8px 40px rgba(0, 0, 0, 0.15);
    }
    .nav-links a {
        display: block;
        padding: 14px 16px;
        color: #1a2a3a;
        font-size: 17px;
        font-weight: 600;
        border-radius: 10px;
        text-decoration: none;
    }
    .nav-links a:active,
    .nav-links a:hover {
        background: rgba(0, 102, 204, 0.08);
        color: #0066cc;
    }
    .language-selector {
        margin-top: 8px;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        padding-top: 8px;
    }
    .language-selector > a {
        display: block;
        padding: 14px 16px;
        color: #1a2a3a;
        font-size: 17px;
        font-weight: 600;
        border-radius: 10px;
        background: none;
        border: none;
    }
    .language-selector.active .language-menu {
        display: block;
        position: static;
        box-shadow: none;
        border: none;
        background: none;
        margin-top: 0;
        padding: 0 0 0 16px;
    }
    .language-menu a {
        padding: 10px 16px;
        color: #4a5a6a;
        font-size: 15px;
    }
    .hero { flex-direction: column; height: auto; min-height: 100vh; }
    .hero-video-full { position: absolute; top: 0; left: 0; right: 0; bottom: 0; width: 100%; height: 100%; }
    .hero-left { flex: none; width: 100%; padding: 40px 24px; min-height: auto; background: rgba(10, 22, 40, 0.45); backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px); }
    .hero-left::after { display: none; }
    .hero-right { display: none; }
    .hero-content { max-width: 100%; text-align: center; }
    .hero h1 { font-size: 24px !important; }
    .hero p { font-size: 14px !important; }
    .hero .hero-stats { justify-content: center; gap: 16px; }
    .hero .hero-stat { text-align: center; }
    .page-hero h1 { font-size: 28px !important; }
    .section-title { font-size: 26px; }
    .btn-accent { margin-left: 0; margin-top: 12px; }
    .about-content { grid-template-columns: 1fr; gap: 36px; }
    .product-categories { grid-template-columns: 1fr; }
    .features { grid-template-columns: 1fr; }
    .contact-form { padding: 28px; }
    h2 { font-size: 24px; }
    h3 { font-size: 18px; }
    button, .btn, a { min-height: 44px; min-width: 44px; }
}