/* ─── xTool ایران | Dark Theme | RTL | Green Accent ─── */
@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;700;900&display=swap');

:root {
  --bg-primary: #0b0f1a;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --bg-elevated: #1e293b;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --accent-glow: rgba(34, 197, 94, 0.25);
  --accent-dim: rgba(34, 197, 94, 0.1);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #1e293b;
  --border-light: #334155;
  --danger: #ef4444;
  --warning: #f59e0b;
  --success: #22c55e;
  --telegram: #0088cc;
  --usdt: #26a17b;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(34, 197, 94, 0.15);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: 'Vazirmatn', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  direction: rtl;
  overflow-x: hidden;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ─── Top Announcement Bar ─── */
.announcement-bar {
  background: linear-gradient(90deg, #1a3a2a, #0d1f14);
  color: var(--accent);
  text-align: center;
  padding: 10px 20px;
  font-size: 0.85rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(34, 197, 94, 0.15);
}
.announcement-bar .highlight {
  color: #fff;
  background: var(--accent);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.8rem;
  margin: 0 4px;
}

/* ─── Header ─── */
header {
  background: rgba(11, 15, 26, 0.95);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-dim);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.logo-text {
  font-size: 1.3rem;
  font-weight: 900;
  line-height: 1.2;
}
.logo-text span { color: var(--accent); }
.logo-text small {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}
nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
nav a {
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}
nav a:hover, nav a.active {
  color: var(--text-primary);
  background: var(--accent-dim);
}
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ─── Hero ─── */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(34, 197, 94, 0.03) 0%, transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-dim);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: var(--accent);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 16px;
  line-height: 1.3;
}
.hero h1 span { color: var(--accent); }
.hero .subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 30px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

/* ─── Factory Direct Banner ─── */
.factory-banner {
  background: linear-gradient(135deg, #0d1f14, #1a3a2a, #0d1f14);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: var(--radius-lg);
  padding: 30px 40px;
  margin: 30px auto;
  max-width: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  text-align: center;
}
.factory-banner-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.95rem;
}
.factory-banner-item .icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.factory-banner-item .label {
  color: var(--text-secondary);
  font-weight: 400;
  font-size: 0.8rem;
  display: block;
}

/* ─── Delivery Promise Banner ─── */
.delivery-promo {
  background: linear-gradient(135deg, #1a1a2e, #16213e);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px 30px;
  margin: 30px auto;
  max-width: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}
.delivery-promo-item {
  text-align: center;
}
.delivery-promo-item .value {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--accent);
}
.delivery-promo-item .label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}
.delivery-promo .divider {
  width: 1px;
  height: 40px;
  background: var(--border-light);
}
.delivery-guarantee {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--danger);
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: 'Vazirmatn', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { 
  background: var(--accent); 
  color: #fff; 
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}
.btn-primary:hover { 
  background: var(--accent-hover); 
  transform: translateY(-2px); 
  box-shadow: 0 8px 25px rgba(34, 197, 94, 0.4); 
}
.btn-secondary { 
  background: var(--bg-card); 
  color: var(--text-primary); 
  border: 1px solid var(--border-light); 
}
.btn-secondary:hover { 
  border-color: var(--accent); 
  transform: translateY(-2px); 
  box-shadow: 0 4px 15px rgba(34, 197, 94, 0.15);
}
.btn-telegram { background: var(--telegram); color: #fff; }
.btn-telegram:hover { background: #0077b5; transform: translateY(-2px); }
.btn-usdt { 
  background: var(--usdt); 
  color: #fff; 
  box-shadow: 0 4px 15px rgba(38, 161, 123, 0.3);
}
.btn-usdt:hover { opacity: 0.9; transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.btn-outline:hover {
  background: var(--accent-dim);
  transform: translateY(-2px);
}
.btn-lg { padding: 16px 40px; font-size: 1.05rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { width: 100%; }

/* ─── Sections ─── */
.section {
  padding: 80px 0;
}
.section-alt { background: var(--bg-secondary); }
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.section-title .sub {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── Products Grid ─── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(34, 197, 94, 0.3);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4), var(--shadow-glow);
}
.product-card-img {
  height: 220px;
  background: #141e2c;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
}
.product-card-img img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: var(--transition);
}
.product-card:hover .product-card-img img {
  transform: scale(1.05);
}
.product-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
}
.badge-popular { background: var(--accent); color: #fff; }
.badge-industrial { background: #6366f1; color: #fff; }
.badge-portable { background: #f59e0b; color: #fff; }
.badge-compact { background: #8b5cf6; color: #fff; }
.product-card-body {
  padding: 20px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card-body .tag {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.7rem;
  padding: 3px 10px;
  border-radius: 50px;
  margin-bottom: 8px;
  font-weight: 600;
  align-self: flex-start;
}
.product-card-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.product-card-body .oneliner {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 12px;
  flex: 1;
}
.product-card-specs {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.product-card-specs span {
  font-size: 0.7rem;
  color: var(--text-muted);
  background: var(--bg-primary);
  padding: 3px 8px;
  border-radius: 4px;
}
.product-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  gap: 12px;
}
.product-card-price {
  text-align: right;
}
.product-card-price .official {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-decoration: line-through;
}
.product-card-price .our-price {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--accent);
}
.product-card-price .our-price small {
  font-size: 0.65rem;
  font-weight: 400;
  color: var(--text-secondary);
}
.product-card-price .save {
  font-size: 0.7rem;
  color: var(--danger);
  font-weight: 600;
}
.product-card-footer .btn { padding: 8px 18px; font-size: 0.8rem; }

/* ─── Why Choose Us ─── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: rgba(34, 197, 94, 0.2);
  transform: translateY(-3px);
}
.feature-card .icon {
  width: 56px;
  height: 56px;
  background: var(--accent-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 16px;
}
.feature-card h4 { margin-bottom: 8px; font-size: 1rem; }
.feature-card p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.7; }

/* ─── Brand Authorization ─── */
.auth-section {
  background: var(--bg-secondary);
  padding: 60px 0;
}
.auth-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.auth-content {
  text-align: right;
}
.auth-content h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}
.auth-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}
.auth-content .checklist {
  list-style: none;
}
.auth-content .checklist li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-size: 0.9rem;
}
.auth-content .checklist li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
  font-size: 1.1rem;
}
.auth-visual {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  text-align: center;
  min-height: 250px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.auth-placeholder {
  width: 100%;
  height: 180px;
  background: linear-gradient(135deg, var(--accent-dim), transparent);
  border: 2px dashed rgba(34, 197, 94, 0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  flex-direction: column;
  gap: 8px;
}
.auth-placeholder .big-icon { font-size: 2.5rem; }

/* ─── Product Detail Page ─── */
.product-detail { padding: 60px 0; }
.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}
.product-detail-gallery {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  position: relative;
}
.product-detail-gallery img { max-height: 400px; }
.product-detail-gallery .badge-pos {
  position: absolute;
  top: 16px;
  left: 16px;
}
.product-detail-info h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.product-detail-info .oneliner {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 8px;
}
.product-detail-info .tag-lg {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.75rem;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 20px;
  font-weight: 600;
}
.product-detail-info .price-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 24px;
}
.product-detail-info .price-box .official-row {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-bottom: 4px;
}
.product-detail-info .price-box .our-row {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--accent);
}
.product-detail-info .price-box .our-row small {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-secondary);
}
.product-detail-info .price-box .save-row {
  font-size: 0.8rem;
  color: var(--danger);
  font-weight: 600;
  margin-top: 4px;
}
.product-detail-info .actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.specs-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.specs-table th, .specs-table td {
  padding: 12px 16px;
  text-align: right;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.specs-table th {
  background: var(--bg-card);
  color: var(--accent);
  font-weight: 700;
  white-space: nowrap;
  width: 180px;
}
.specs-table td { color: var(--text-secondary); }
.specs-table tr:hover td { color: var(--text-primary); }
.specs-table .en {
  font-family: 'Segoe UI', system-ui, sans-serif;
  direction: ltr;
  display: inline-block;
}
.features-list {
  list-style: none;
  margin: 20px 0;
}
.features-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.features-list li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 700;
}
.target-audience {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin: 20px 0;
}
.target-audience h4 {
  font-size: 0.9rem;
  margin-bottom: 10px;
  color: var(--accent);
}
.target-audience p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.8;
}

/* ─── Order Page ─── */
.order-page { padding: 60px 0; }
.order-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 40px 0;
}
.order-step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  position: relative;
}
.order-step .step-num {
  width: 40px;
  height: 40px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  margin: 0 auto 14px;
}
.order-step h4 { margin-bottom: 8px; font-size: 0.95rem; }
.order-step p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.7; }

/* ─── Payment Info ─── */
.payment-info {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 30px 0;
}
.payment-info h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 1.2rem;
}
.wallet-box {
  background: var(--bg-primary);
  border: 1px dashed var(--border-light);
  border-radius: var(--radius-sm);
  padding: 16px;
  margin: 12px 0;
}
.wallet-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.wallet-address {
  font-family: 'Courier New', monospace;
  direction: ltr;
  text-align: left;
  font-size: 0.85rem;
  word-break: break-all;
  color: var(--accent);
  user-select: all;
}
.copy-btn {
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.75rem;
  margin-top: 8px;
  transition: var(--transition);
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.network-note {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 8px;
}
.network-note strong { color: var(--warning); }

/* ─── USDT Exchange Guide ─── */
.exchange-guide {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin: 30px 0;
}
.exchange-guide h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  font-size: 1.2rem;
}
.exchange-steps {
  display: grid;
  gap: 16px;
}
.exchange-step {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.exchange-step .num {
  width: 32px;
  height: 32px;
  min-width: 32px;
  background: var(--accent-dim);
  color: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}
.exchange-step .content h5 {
  font-size: 0.9rem;
  margin-bottom: 4px;
}
.exchange-step .content p {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.6;
}
.exchanges-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}
.exchange-tag {
  background: var(--accent-dim);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ─── FAQ ─── */
.faq-list { max-width: 800px; margin: 30px auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-question {
  padding: 16px 20px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  transition: var(--transition);
}
.faq-question:hover { background: var(--accent-dim); }
.faq-question .arrow {
  transition: var(--transition);
  font-size: 0.8rem;
}
.faq-item.active .faq-question .arrow { transform: rotate(180deg); }
.faq-answer {
  padding: 0 20px 16px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.8;
  display: none;
}
.faq-item.active .faq-answer { display: block; }

/* ─── About Page ─── */
.about-hero {
  padding: 60px 0;
  text-align: center;
}
.about-hero h1 { font-size: 2.2rem; margin-bottom: 16px; }
.about-hero p {
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ─── Footer ─── */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 50px 0 30px;
  margin-top: 60px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
}
footer h4 {
  font-size: 1rem;
  margin-bottom: 16px;
}
footer ul { list-style: none; }
footer ul li { margin-bottom: 8px; }
footer ul li a {
  color: var(--text-secondary);
  font-size: 0.85rem;
}
footer ul li a:hover { color: var(--accent); }
.footer-desc {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 16px;
}
.footer-contact {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.footer-contact a {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
  transition: var(--transition);
}
.footer-contact a:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.footer-bottom {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ─── Trust Bar ─── */
.trust-bar {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin: 24px 0;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 0.8rem;
}
.trust-item .emoji { font-size: 1.1rem; }

/* ─── Badge / Tag ─── */
.badge-usdt {
  display: inline-block;
  background: rgba(38, 161, 123, 0.15);
  color: var(--usdt);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
}
.badge-green {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.7rem;
  font-weight: 700;
}

/* ─── Utility ─── */
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }
.mt-60 { margin-top: 60px; }

/* ─── CTA Section ─── */
.cta-section {
  padding: 60px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-primary), var(--bg-secondary));
}
.cta-section h2 { font-size: 1.6rem; margin-bottom: 12px; }
.cta-section p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ─── Product Comparison Hint ─── */
.compare-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-dim);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ─── Mobile ─── */
@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .auth-grid {
    grid-template-columns: 1fr;
  }
  .product-detail-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .product-detail-gallery { padding: 20px; }
  .product-detail-gallery img { max-height: 250px; }
}
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .hero .subtitle { font-size: 1rem; }
  .section-title h2 { font-size: 1.5rem; }
  .products-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .delivery-promo { flex-direction: column; gap: 16px; }
  .delivery-promo .divider { display: none; }
  .factory-banner { padding: 24px; flex-direction: column; gap: 16px; }
  .exchange-step { flex-direction: column; }
  .order-steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  
  .mobile-menu-btn { display: block; }
  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    padding: 16px;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-lg);
  }
  nav.show { display: flex; }
  nav a { padding: 12px 16px; }
}


/* ─── Product Grid ─── */
.products-section {
  padding: 4rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 0;
}

.product-card {
  background: #1a1f2e;
  border: 1px solid #2a2f3e;
  border-radius: 16px;
  overflow: hidden;
  text-decoration: none;
  color: #f1f5f9;
  transition: all 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: #3b82f6;
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
}

.product-card-image {
  width: 100%;
  aspect-ratio: 1;
  background: #111627;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s;
}

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

.product-card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #3b82f6;
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.product-card-body {
  padding: 1.25rem;
}

.product-card-body h3 {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: #f1f5f9;
}

.product-card-body p {
  margin: 0 0 1rem 0;
  font-size: 0.875rem;
  color: #94a3b8;
  line-height: 1.5;
}

.product-card-price {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.price {
  font-size: 1.25rem;
  font-weight: 800;
  color: #22c55e;
}

.unit {
  font-size: 0.75rem;
  color: #64748b;
  background: #0f172a;
  padding: 2px 8px;
  border-radius: 4px;
}

.product-card-btn {
  display: inline-block;
  color: #3b82f6;
  font-size: 0.875rem;
  font-weight: 600;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .product-grid { grid-template-columns: 1fr; }
}

/* ─── Blog ─── */
.blog-header { padding: 60px 0 40px; text-align: center; }
.blog-header h1 { font-size: 2rem; margin-bottom: 12px; }
.blog-header p { color: var(--text-secondary); max-width: 600px; margin: 0 auto; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 24px; padding: 40px 0 80px; }
.blog-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); }
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.blog-card-image { height: 200px; background: var(--bg-elevated); display: flex; align-items: center; justify-content: center; font-size: 3rem; }
.blog-card-body { padding: 24px; }
.blog-card-tag { display: inline-block; padding: 4px 12px; background: var(--accent-dim); color: var(--accent); border-radius: 20px; font-size: 0.75rem; font-weight: 500; margin-bottom: 12px; }
.blog-card h3 { font-size: 1.1rem; margin-bottom: 8px; line-height: 1.5; }
.blog-card h3 a { color: var(--text-primary); }
.blog-card h3 a:hover { color: var(--accent); }
.blog-card p { color: var(--text-secondary); font-size: 0.85rem; line-height: 1.7; }
.blog-card-meta { display: flex; gap: 16px; margin-top: 16px; color: var(--text-muted); font-size: 0.75rem; }
.blog-article { max-width: 800px; margin: 0 auto; padding: 40px 24px 80px; }
.blog-article h1 { font-size: 1.8rem; margin-bottom: 16px; line-height: 1.4; }
.blog-article .meta { display: flex; gap: 16px; color: var(--text-muted); font-size: 0.85rem; margin-bottom: 32px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.blog-article h2 { font-size: 1.3rem; margin: 32px 0 12px; color: var(--accent); }
.blog-article h3 { font-size: 1.1rem; margin: 24px 0 8px; }
.blog-article p, .blog-article li { color: var(--text-secondary); line-height: 2; margin-bottom: 12px; }
.blog-article ul, .blog-article ol { padding-right: 24px; margin-bottom: 16px; }
.blog-article li { margin-bottom: 6px; }
.blog-article .highlight-box { background: var(--accent-dim); border: 1px solid var(--accent); border-radius: var(--radius-sm); padding: 20px; margin: 24px 0; }
.blog-article .highlight-box strong { color: var(--accent); }
.blog-article .cta-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px; text-align: center; margin: 32px 0; }
.blog-article .cta-box p { color: var(--text-primary); font-size: 1rem; }
.blog-article .cta-box .btn { margin-top: 12px; }
@media (max-width: 600px) {
  .blog-grid { grid-template-columns: 1fr; }
  .blog-article { padding: 24px 16px 60px; }
  .blog-article h1 { font-size: 1.4rem; }
}