/* ========================================
   琅玡生物 - 大健康前卫设计风格
   ======================================== */

:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #14b8a6;
    --accent: #d4a853;
    --accent-light: #f0d78c;
    --dark: #0a1628;
    --dark-soft: #1a2942;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --bg: #f8fafb;
    --bg-white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #0d9488 0%, #059669 50%, #0f766e 100%);
    --gradient-hero: linear-gradient(160deg, #0a1628 0%, #0f766e 40%, #134e4a 100%);
    --gradient-gold: linear-gradient(135deg, #d4a853 0%, #f0d78c 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --shadow-sm: 0 2px 8px rgba(13, 148, 136, 0.08);
    --shadow-md: 0 8px 30px rgba(13, 148, 136, 0.12);
    --shadow-lg: 0 20px 60px rgba(13, 148, 136, 0.15);
    --radius: 16px;
    --radius-sm: 8px;
    --radius-lg: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

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

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }

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

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

/* ========== 导航栏 ========== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(13, 148, 136, 0.08);
    transition: all var(--transition);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--dark);
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.logo-icon {
    width: 36px;
    height: 36px;
    color: var(--primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.nav-link {
    padding: 8px 16px;
    color: var(--text);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
    background: rgba(13, 148, 136, 0.06);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.shop-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--gradient-gold);
    color: var(--dark);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: 50px;
    transition: all var(--transition);
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(212, 168, 83, 0.3);
}

.shop-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(212, 168, 83, 0.4);
    color: var(--dark);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ========== Hero 区域 ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: 72px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(13, 148, 136, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212, 168, 83, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(5, 150, 105, 0.2) 0%, transparent 40%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: float 8s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.3; }
    50% { transform: translateY(-30px) scale(1.5); opacity: 0.8; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-text h1 span {
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
    font-weight: 500;
}

.hero-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 40px;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--dark);
    box-shadow: 0 4px 20px rgba(212, 168, 83, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(212, 168, 83, 0.5);
    color: var(--dark);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
    color: #fff;
}

.btn-shop {
    background: var(--gradient-gold);
    color: var(--dark);
    padding: 18px 40px;
    font-size: 1.125rem;
    box-shadow: 0 8px 30px rgba(212, 168, 83, 0.5);
    animation: pulse-glow 3s infinite;
}

.btn-shop:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 40px rgba(212, 168, 83, 0.6);
    color: var(--dark);
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 8px 30px rgba(212, 168, 83, 0.5); }
    50% { box-shadow: 0 8px 40px rgba(212, 168, 83, 0.7), 0 0 60px rgba(212, 168, 83, 0.2); }
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-circle {
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: var(--gradient-glass);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: rotate-slow 20s linear infinite;
    position: relative;
}

.hero-circle::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, transparent, rgba(13, 148, 136, 0.5), transparent, rgba(212, 168, 83, 0.5), transparent);
    animation: rotate-slow 10s linear infinite reverse;
    z-index: -1;
}

@keyframes rotate-slow {
    to { transform: rotate(360deg); }
}

.hero-circle-inner {
    text-align: center;
    color: #fff;
}

.hero-circle-inner .se-icon {
    font-size: 4rem;
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.hero-circle-inner p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.2em;
}

/* ========== 商城推广横幅 ========== */
.shop-banner {
    background: var(--gradient-gold);
    padding: 20px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.shop-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255,255,255,0.05) 10px,
        rgba(255,255,255,0.05) 20px
    );
}

.shop-banner a {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--dark);
    font-size: 1.125rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
    transition: all var(--transition);
}

.shop-banner a:hover {
    transform: scale(1.05);
    color: var(--dark);
}

.shop-banner .arrow {
    display: inline-block;
    animation: bounce-right 1.5s infinite;
}

@keyframes bounce-right {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(6px); }
}

/* ========== 通用区块 ========== */
.section {
    padding: 100px 0;
}

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

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(13, 148, 136, 0.08);
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 600;
    border-radius: 50px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ========== 数据统计 ========== */
.stats-section {
    background: var(--dark);
    padding: 60px 0;
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item .stat-label {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
}

/* ========== 卡片网格 ========== */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 40px 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(13, 148, 136, 0.06);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition);
}

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

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

.card-icon {
    width: 56px;
    height: 56px;
    background: rgba(13, 148, 136, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary);
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.card p {
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* ========== 产品卡片 ========== */
.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(13, 148, 136, 0.06);
    transition: all var(--transition);
}

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

.product-image {
    height: 240px;
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 50%, #a7f3d0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.product-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 50%, rgba(13, 148, 136, 0.1) 0%, transparent 70%);
}

.product-image .product-placeholder {
    font-size: 3rem;
    color: var(--primary);
    opacity: 0.3;
    z-index: 1;
}

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

.product-body {
    padding: 28px;
}

.product-body h3 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}

.product-subtitle {
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 12px;
}

.product-body p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-bottom: 16px;
}

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

.feature-tag {
    padding: 4px 12px;
    background: rgba(13, 148, 136, 0.06);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 50px;
}

/* ========== 新闻卡片 ========== */
.news-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(13, 148, 136, 0.06);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.news-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--dark-soft) 0%, var(--primary-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.2);
    font-size: 2rem;
    overflow: hidden;
}

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

.news-card-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-date {
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.news-card-body h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-card-body h3 a {
    color: inherit;
}

.news-card-body h3 a:hover {
    color: var(--primary);
}

.news-card-body p {
    color: var(--text-light);
    font-size: 0.875rem;
    flex: 1;
}

.news-read-more {
    margin-top: 16px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
}

/* ========== 页面头部 ========== */
.page-hero {
    background: var(--gradient-hero);
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 100%, rgba(13, 148, 136, 0.3) 0%, transparent 60%);
}

.page-hero h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: #fff;
    margin-bottom: 12px;
    position: relative;
}

.page-hero p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    position: relative;
}

/* ========== 内容区域 ========== */
.content-section {
    padding: 80px 0;
}

.content-block {
    max-width: 800px;
    margin: 0 auto 48px;
}

.content-block h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    padding-left: 16px;
    border-left: 4px solid var(--primary);
}

.content-block p, .content-block .rich-content {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.8;
}

.rich-content p { margin-bottom: 16px; }

/* ========== 合作流程 ========== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step::after {
    content: '→';
    position: absolute;
    right: -18px;
    top: 28px;
    color: var(--primary-light);
    font-size: 1.25rem;
}

.process-step:last-child::after { display: none; }

.process-number {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.process-step p {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text);
}

/* ========== 联系表单 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(13, 148, 136, 0.06);
    margin-bottom: 24px;
}

.contact-info-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-info-card h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.contact-info-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.contact-form {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: var(--font);
    transition: border-color var(--transition);
    background: var(--bg);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-success {
    background: #ecfdf5;
    color: #065f46;
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9375rem;
}

.form-error {
    background: #fef2f2;
    color: #991b1b;
    padding: 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.9375rem;
}

/* ========== 页脚 ========== */
.site-footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.7);
    position: relative;
    margin-top: 0;
}

.footer-wave {
    color: var(--dark);
    line-height: 0;
    margin-top: -1px;
}

.footer-wave svg {
    width: 100%;
    height: 60px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 24px 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

.footer-shop-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-light) !important;
    font-weight: 600;
    font-size: 0.9375rem;
}

.footer-shop-link:hover {
    color: var(--accent) !important;
}

.footer-links h4, .footer-contact h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: color var(--transition);
}

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

.footer-contact p {
    font-size: 0.9375rem;
    margin-bottom: 8px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    text-align: center;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom p { margin-bottom: 4px; }

/* ========== 新闻详情 ========== */
.news-detail {
    max-width: 800px;
    margin: 0 auto;
    padding: 60px 24px;
}

.news-detail-header {
    margin-bottom: 40px;
}

.news-detail-header h1 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.3;
}

.news-detail-meta {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.news-detail-content {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--text);
}

.news-detail-content p {
    margin-bottom: 20px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 500;
    font-size: 0.9375rem;
    margin-bottom: 32px;
}

/* ========== 动画 ========== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { margin: 0 auto 40px; }
    .hero-actions { justify-content: center; }
    .hero-visual { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .process-steps { grid-template-columns: repeat(2, 1fr); }
    .process-step::after { display: none; }
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid rgba(13, 148, 136, 0.08);
        box-shadow: var(--shadow-md);
    }

    .main-nav.open { display: flex; }

    .nav-link { width: 100%; text-align: center; padding: 12px; }

    .mobile-toggle { display: flex; }

    .shop-btn { display: none; }

    .stats-grid { grid-template-columns: 1fr; gap: 32px; }

    .contact-grid { grid-template-columns: 1fr; }

    .form-row { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .process-steps { grid-template-columns: 1fr; }

    .card-grid { grid-template-columns: 1fr; }

    .section { padding: 60px 0; }
}