:root {
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --accent: #16a34a;
  --text: #1f2937;
  --text-muted: #6b7280;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e5e7eb;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
  --max-width: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.text-center { text-align: center; }
.text-left { text-align: left; }

/* Header */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); min-width: 0; }
.brand:hover { text-decoration: none; }
.brand-logo { width: 34px; height: 34px; flex-shrink: 0; }
.brand-name { font-size: 15px; white-space: nowrap; }
.main-nav { display: flex; gap: 22px; }
.main-nav a { color: var(--text); font-size: 15px; padding: 6px 0; border-bottom: 2px solid transparent; }
.main-nav a:hover, .main-nav a.active { color: var(--primary); border-bottom-color: var(--primary); text-decoration: none; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.user-name { font-size: 14px; color: var(--text-muted); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s;
  background: transparent;
  color: var(--text);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-ghost { border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn-outline { border-color: #fff; color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.15); text-decoration: none; }
.btn-text { color: var(--text-muted); padding: 4px 8px; }
.btn-text:hover { color: #dc2626; text-decoration: none; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-block { width: 100%; }

/* Hero */
.hero { background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%); padding: 70px 0; }
.hero-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; }
.hero-text h1 { font-size: 38px; line-height: 1.2; margin: 0 0 16px; color: #111827; }
.hero-text p { font-size: 17px; color: var(--text-muted); margin: 0 0 28px; }
.hero-actions { display: flex; gap: 16px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.stat-card { background: #fff; border-radius: var(--radius); padding: 22px 16px; text-align: center; box-shadow: var(--shadow); }
.stat-num { display: block; font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--text-muted); }

/* Sections */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.section-header h2 { margin: 0; font-size: 26px; }
.section-title-center { text-align: center; margin-bottom: 28px; font-size: 26px; }
.link-more { font-size: 14px; }

/* Page hero */
.page-hero { background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%); padding: 50px 0; text-align: center; }
.page-hero h1 { margin: 0 0 10px; font-size: 32px; }
.page-hero p { margin: 0; color: var(--text-muted); }
.page-hero-mall { background: linear-gradient(135deg, #eff6ff, #dbeafe); }
.page-hero-info { background: linear-gradient(135deg, #f0fdf4, #dcfce7); }
.page-title { font-size: 28px; margin: 0 0 20px; text-align: center; }

/* Product grid */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; }
.product-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s; }
.product-card:hover { box-shadow: var(--shadow-lg); }
.product-image { display: block; height: 180px; overflow: hidden; background: var(--bg-alt); }
.product-image img { width: 100%; height: 100%; object-fit: cover; }
.product-body { padding: 16px; }
.product-meta { font-size: 12px; color: var(--primary); background: var(--primary-light); display: inline-block; padding: 2px 8px; border-radius: 4px; margin-bottom: 8px; }
.product-body h3 { margin: 0 0 8px; font-size: 16px; line-height: 1.4; }
.product-body h3 a { color: var(--text); }
.product-summary { font-size: 13px; color: var(--text-muted); margin: 0 0 14px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-footer { display: flex; align-items: center; justify-content: space-between; }
.product-price { font-size: 18px; font-weight: 700; color: #dc2626; }
.product-price small { font-size: 12px; font-weight: 400; color: var(--text-muted); margin-left: 2px; }

/* Detail layout */
.detail-layout { display: grid; grid-template-columns: 1fr 300px; gap: 28px; align-items: start; }
.detail-main { min-width: 0; }
.detail-sidebar { position: sticky; top: 84px; }
.sidebar-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.sidebar-card h3 { background: var(--bg-alt); margin: 0; padding: 16px 20px; font-size: 16px; border-bottom: 1px solid var(--border); }
.sidebar-body { padding: 8px 20px; }
.sidebar-row { display: flex; flex-direction: column; gap: 4px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.sidebar-row:last-child { border-bottom: none; }
.sidebar-row span { font-size: 13px; color: var(--text-muted); }
.sidebar-row strong { font-size: 14px; font-weight: 500; color: var(--text); line-height: 1.5; }
.sidebar-text { padding: 14px 0 4px; font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.sidebar-text p { margin: 0; }
.sidebar-footer { padding: 0 20px 20px; display: grid; gap: 10px; }
.btn-block { width: 100%; }

/* Product detail */
.breadcrumbs { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs span { margin: 0 6px; }
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; margin-bottom: 40px; }
.product-detail-media { background: var(--bg-alt); border-radius: var(--radius); overflow: hidden; }
.product-detail-media img { width: 100%; height: auto; }
.product-detail-category { display: inline-block; background: var(--primary-light); color: var(--primary); padding: 3px 10px; border-radius: 4px; font-size: 13px; margin-bottom: 12px; }
.product-detail-info h1 { margin: 0 0 12px; font-size: 28px; }
.product-detail-summary { color: var(--text-muted); margin: 0 0 20px; }
.product-detail-price { font-size: 32px; color: #dc2626; font-weight: 700; margin-bottom: 18px; }
.product-detail-price small { font-size: 14px; color: var(--text-muted); font-weight: 400; }
.product-detail-merchant { display: flex; gap: 20px; color: var(--text-muted); font-size: 14px; margin-bottom: 24px; }
.product-detail-actions { display: flex; align-items: flex-end; gap: 16px; }
.quantity-field { display: flex; flex-direction: column; gap: 4px; }
.quantity-field input { width: 80px; padding: 10px; border: 1px solid var(--border); border-radius: var(--radius); }
.login-to-action { display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.login-to-action p { margin: 0; font-size: 13px; color: var(--text-muted); }
.product-detail-content { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 40px; }
.product-detail-content h2 { font-size: 20px; margin: 0 0 14px; }
.product-detail-content p { margin: 0; line-height: 1.8; color: #374151; }
.related-products h2 { font-size: 20px; margin: 0 0 18px; }

/* Merchant grid */
.merchant-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 20px; }
.merchant-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; text-align: center; }
.merchant-icon { width: 48px; height: 48px; margin: 0 auto 12px; color: var(--primary); }
.merchant-card h3 { margin: 0 0 10px; font-size: 16px; }
.merchant-card p { font-size: 13px; color: var(--text-muted); margin: 0 0 12px; line-height: 1.5; }
.merchant-contact { font-size: 13px; color: var(--primary); }

/* Info grid */
.info-toolbar { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-bottom: 24px; }
.category-filter { display: flex; flex-wrap: wrap; gap: 10px; }
.filter-chip { padding: 6px 14px; border: 1px solid var(--border); border-radius: 20px; font-size: 13px; color: var(--text); }
.filter-chip:hover, .filter-chip.active { background: var(--primary); border-color: var(--primary); color: #fff; text-decoration: none; }
.info-search { display: flex; gap: 8px; margin-left: auto; }
.info-search input { padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius); min-width: 220px; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.info-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s; }
.info-card:hover { box-shadow: var(--shadow-lg); }
.info-cover { display: block; height: 170px; overflow: hidden; background: var(--bg-alt); }
.info-cover img { width: 100%; height: 100%; object-fit: cover; }
.info-body { padding: 16px; }
.info-meta { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; font-size: 12px; }
.info-category { background: #dcfce7; color: #166534; padding: 2px 8px; border-radius: 4px; }
.info-date { color: var(--text-muted); }
.info-body h3 { margin: 0 0 8px; font-size: 16px; line-height: 1.4; }
.info-body h3 a { color: var(--text); }
.info-body p { font-size: 13px; color: var(--text-muted); margin: 0 0 12px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.info-footer { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); }
.phone-masked { color: var(--text); font-weight: 500; }

/* Info detail */
.info-detail { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.info-detail-cover { height: 320px; overflow: hidden; background: var(--bg-alt); }
.info-detail-cover img { width: 100%; height: 100%; object-fit: cover; }
.info-detail-body { padding: 28px; }
.info-detail-meta { display: flex; gap: 16px; align-items: center; margin-bottom: 14px; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; }
.info-detail-body h1 { margin: 0 0 18px; font-size: 26px; }
.info-detail-content { margin-bottom: 28px; }
.info-detail-content p { line-height: 1.8; color: #374151; margin: 0; }
.info-detail-contact { background: var(--bg-alt); border-radius: var(--radius); padding: 20px; display: grid; gap: 14px; }
.contact-row { display: flex; align-items: center; gap: 16px; }
.contact-row span { color: var(--text-muted); min-width: 70px; }
.contact-row strong { font-size: 16px; }

/* CTA */
.cta-section { background: var(--primary); color: #fff; padding: 60px 0; text-align: center; }
.cta-inner h2 { margin: 0 0 10px; font-size: 28px; }
.cta-inner p { margin: 0 0 24px; opacity: 0.9; }
.cta-actions { display: flex; justify-content: center; gap: 16px; }

/* Cart */
.cart-list { display: grid; gap: 14px; margin-bottom: 24px; }
.cart-item { display: grid; grid-template-columns: 80px 1fr auto auto; gap: 16px; align-items: center; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.cart-item-image { width: 80px; height: 80px; object-fit: cover; border-radius: 4px; }
.cart-item-info h3 { margin: 0 0 4px; font-size: 15px; }
.cart-item-info h3 a { color: var(--text); }
.cart-item-info p { margin: 0 0 6px; font-size: 13px; color: var(--text-muted); }
.cart-item-price { color: #dc2626; font-weight: 500; }
.cart-item-qty { display: flex; align-items: center; gap: 8px; }
.cart-item-qty input { width: 60px; padding: 6px; border: 1px solid var(--border); border-radius: var(--radius); text-align: center; }
.cart-summary { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: flex; align-items: center; justify-content: space-between; }
.cart-total { font-size: 16px; }
.cart-total span { font-size: 24px; color: #dc2626; font-weight: 700; }

/* Checkout */
.checkout-summary { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; }
.checkout-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border); }
.checkout-total { display: flex; justify-content: space-between; padding-top: 14px; font-size: 18px; font-weight: 700; }
.checkout-total span { color: #dc2626; }

/* Order */
.order-list { display: grid; gap: 16px; }
.order-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.order-header { display: flex; justify-content: space-between; margin-bottom: 12px; font-size: 13px; color: var(--text-muted); }
.order-status { color: var(--primary); font-weight: 500; }
.order-items { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 10px 0; margin-bottom: 12px; }
.order-item { display: flex; justify-content: space-between; padding: 4px 0; font-size: 14px; }
.order-footer { display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); }
.success-icon { width: 64px; height: 64px; margin: 0 auto 20px; }
.lead { font-size: 16px; color: var(--text-muted); }

/* Auth */
.auth-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 500; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); }
.form-group small { display: block; margin-top: 4px; font-size: 12px; color: var(--text-muted); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; }
.form-tip { color: var(--text-muted); font-size: 14px; text-align: center; margin-top: -10px; margin-bottom: 20px; }
.form-agreements { display: grid; gap: 10px; margin-bottom: 20px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.checkbox-label input { width: auto; }
.auth-links { text-align: center; margin-top: 18px; font-size: 14px; color: var(--text-muted); }
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 18px; font-size: 14px; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* Content pages */
.content-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.content-card h2 { font-size: 20px; margin: 28px 0 12px; }
.content-card h2:first-child { margin-top: 0; }
.content-card p { color: #374151; line-height: 1.8; margin: 0 0 14px; }
.content-card ul { padding-left: 20px; color: #374151; }
.content-card li { margin-bottom: 8px; }
.company-info { list-style: none; padding: 0; }
.company-info li { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--border); }
.company-info li:last-child { border-bottom: none; }
.contact-list { display: grid; gap: 14px; margin: 24px 0; }
.contact-item { display: flex; justify-content: space-between; padding: 14px 0; border-bottom: 1px solid var(--border); }
.contact-label { color: var(--text-muted); }
.contact-value { font-weight: 500; }
.legal-content h2 { font-size: 18px; margin-top: 24px; }
.effective { color: var(--text-muted); font-size: 13px; margin-bottom: 20px; }

/* Admin */
.admin-stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.admin-nav { display: flex; gap: 12px; }
.admin-table-wrap { overflow-x: auto; margin-bottom: 24px; }
.admin-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); }
.admin-table th, .admin-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.admin-table th { background: var(--bg-alt); font-weight: 600; }
.admin-actions { display: flex; gap: 8px; }
.status-badge { display: inline-block; padding: 3px 8px; border-radius: 4px; font-size: 12px; }
.status-approved { background: #dcfce7; color: #166534; }
.status-pending { background: #fef3c7; color: #92400e; }
.status-rejected, .status-offline { background: #fee2e2; color: #991b1b; }

/* Footer */
.site-footer { background: #f3f4f6; border-top: 1px solid var(--border); padding: 48px 0 0; }
.footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-bottom: 32px; }
.footer-col h4 { margin: 0 0 14px; font-size: 15px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 8px; font-size: 14px; color: var(--text-muted); }
.footer-col a { color: var(--text-muted); }
.footer-col a:hover { color: var(--primary); }
.footer-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-top: 12px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted); flex-wrap: wrap; gap: 8px; }
.footer-bottom p { margin: 0; }
.footer-bottom .sep { margin: 0 8px; }

/* Clean Hero */
.hero-clean { background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%); padding: 72px 0 64px; }
.hero-clean-inner { max-width: 720px; margin: 0 auto; text-align: center; }
.hero-badge { display: inline-block; color: var(--primary); font-size: 13px; font-weight: 600; letter-spacing: 0.5px; margin-bottom: 20px; }
.hero-clean-inner h1 { font-size: 40px; line-height: 1.18; margin: 0 0 16px; color: #111827; font-weight: 700; }
.hero-lead { font-size: 17px; color: var(--text-muted); margin: 0 0 32px; line-height: 1.7; }
.hero-search-form { display: flex; max-width: 560px; margin: 0 auto 22px; background: #fff; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: 0 4px 16px rgba(0,0,0,0.05); }
.hero-search-form input { flex: 1; border: none; padding: 15px 20px; font-size: 15px; outline: none; color: var(--text); }
.hero-search-form input::placeholder { color: #9ca3af; }
.hero-search-form button { border-radius: 0 12px 12px 0; padding: 0 24px; font-size: 15px; }
.hero-cta { display: flex; justify-content: center; gap: 14px; margin-bottom: 26px; }
.hero-cta .btn-lg { padding: 12px 28px; }
.hero-hot { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 6px 10px; font-size: 14px; color: var(--text-muted); }
.hero-hot a { color: var(--text-muted); }
.hero-hot a:hover { color: var(--primary); text-decoration: none; }
.hero-hot .dot { color: #d1d5db; }

/* Stats grid */
.stats-header { text-align: center; margin-bottom: 32px; }
.stats-header h2 { margin: 0 0 6px; font-size: 26px; }
.stats-header p { margin: 0; color: var(--text-muted); font-size: 15px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 28px 16px; text-align: center; }
.stat-card strong { display: block; font-size: 30px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.stat-card span { font-size: 14px; color: var(--text-muted); }

/* Section subtitle */
.section-subtitle { margin: 6px 0 0; color: var(--text-muted); font-size: 15px; }
.section-header .section-subtitle { margin-top: 4px; }

/* Service categories */
.service-categories { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.service-cat-item { display: flex; align-items: center; justify-content: space-between; background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 16px; transition: all .2s; }
.service-cat-item:hover { text-decoration: none; border-color: var(--primary); box-shadow: var(--shadow); }
.service-cat-name { font-size: 15px; font-weight: 500; color: var(--text); }
.service-cat-arrow { color: var(--primary); font-size: 18px; }

/* Empty state */
.empty-state { text-align: center; padding: 50px 20px; color: var(--text-muted); }
.empty-state p { margin-bottom: 16px; }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; }
  .product-detail { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .info-toolbar { flex-direction: column; align-items: stretch; }
  .info-search { margin-left: 0; }
  .info-search input { flex: 1; }
  .cart-item { grid-template-columns: 60px 1fr; gap: 10px; }
  .cart-item-qty, .cart-item-remove { justify-self: start; }
}
@media (max-width: 640px) {
  .main-nav { display: none; }
  .header-inner { height: 56px; }
  .hero-clean { padding: 48px 0 44px; }
  .hero-clean-inner h1 { font-size: 28px; }
  .hero-lead { font-size: 15px; }
  .hero-search-form { flex-direction: column; border-radius: 12px; }
  .hero-search-form input { padding: 14px 16px; }
  .hero-search-form button { border-radius: 0 0 12px 12px; padding: 12px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .hero-cta .btn { width: 100%; max-width: 280px; }
  .stats-grid { grid-template-columns: 1fr; }
  .section { padding: 36px 0; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

.nav-toggle { display: none; }
@media (max-width: 640px) {
  .nav-toggle { display: inline-flex; }
}