:root {
  --bg: #0b0d12;
  --panel: #141922;
  --panel-2: #1a2130;
  --text: #f2f5fb;
  --muted: #aab3c5;
  --line: rgba(255,255,255,0.08);
  --accent: #7dff5a;
  --accent-2: #4ec6ff;
  --danger: #ff6b6b;
  --warning: #ffcd57;
  --shadow: 0 20px 50px rgba(0,0,0,0.35);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(78,198,255,0.12), transparent 30%),
    radial-gradient(circle at left center, rgba(125,255,90,0.08), transparent 28%),
    var(--bg);
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}
.narrow { width: min(700px, calc(100% - 32px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 13, 18, 0.82);
  border-bottom: 1px solid var(--line);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: #081108;
  background: linear-gradient(135deg, var(--accent), #c0ff8b);
  font-size: 0.95rem;
}
.brand-text { letter-spacing: 0.02em; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}
.site-nav a {
  color: var(--muted);
  transition: 0.2s ease;
}
.site-nav a:hover,
.site-nav a.active { color: var(--text); }
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
}
.cart-link {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.hero {
  padding: 78px 0 52px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 28px;
  align-items: center;
}
.hero h1,
.page-hero h1,
.auth-card h1,
.success-card h1 {
  margin: 0 0 16px;
  line-height: 1.02;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
}
.hero-copy,
.page-hero p,
.card p,
.legal-content p,
.form-note { color: var(--muted); }
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
}
.hero-actions, .cta-wrap, .section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-actions { justify-content: flex-start; margin-top: 22px; }
.hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}
.hero-badges span,
.badge {
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.9rem;
}
.glass,
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card,
.card {
  padding: 24px;
}
.feature-list { display: grid; gap: 18px; }
.feature-list h3,
.card h2,
.card h3,
.legal-content h1,
.legal-content h2,
.summary-card h3 { margin-top: 0; }

.section { padding: 64px 0; }
.section-dark {
  background: rgba(255,255,255,0.02);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-head h2,
.cta-wrap h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.card-grid,
.product-grid,
.promo-grid,
.account-layout,
.contact-layout,
.cart-layout,
.checkout-layout,
.shop-layout {
  display: grid;
  gap: 22px;
}
.three-up,
.product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.promo-grid,
.contact-layout,
.account-layout,
.cart-layout,
.checkout-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.shop-layout { grid-template-columns: 290px 1fr; align-items: start; }

.page-main { min-height: calc(100vh - 160px); }
.page-hero.compact {
  padding: 46px 0 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.015);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--accent), #b2ff8c);
  color: #091108;
  font-weight: 700;
}
.btn:hover { transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}
.btn-sm { padding: 10px 14px; }
.btn-block, .full-width { width: 100%; }
.text-link { color: var(--accent-2); }
.card-accent {
  background: linear-gradient(135deg, rgba(125,255,90,0.1), rgba(78,198,255,0.08));
}
.check-list {
  padding-left: 18px;
  color: var(--muted);
}
.cta-strip { padding-top: 14px; }
.cta-wrap {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(125,255,90,0.08), rgba(78,198,255,0.04));
}

.product-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card .product-media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, #121826, #1c2334);
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--line);
}
.product-card .product-media span {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 12px;
  text-align: center;
}
.product-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px;
  height: 100%;
}
.product-body h3 { margin: 0; }
.product-body p { margin: 0; }
.product-meta,
.summary-row,
.cart-row,
.account-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.product-price { font-size: 1.15rem; font-weight: 700; }
.product-actions {
  margin-top: auto;
  display: flex;
  gap: 10px;
}
.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: start;
}
.product-gallery {
  min-height: 420px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #121826, #1e2940);
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.product-gallery span { color: var(--muted); }
.price-xl { font-size: 2rem; font-weight: 800; margin: 0; }
.inline-note { color: var(--warning); font-size: 0.95rem; }
.results-meta { color: var(--muted); margin-bottom: 16px; }

.filter-panel {
  position: sticky;
  top: 96px;
}
label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 14px;
}
input, select, textarea {
  width: 100%;
  padding: 14px 14px;
  border-radius: 12px;
  background: #0f141e;
  color: var(--text);
  border: 1px solid var(--line);
}
textarea { resize: vertical; }
.form-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.form-section {
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px solid var(--line);
}
.form-grid .full-width { grid-column: 1 / -1; }
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.checkbox-row input {
  width: 18px;
  height: 18px;
  margin-top: 3px;
}
.summary-card {
  align-self: start;
  position: sticky;
  top: 96px;
}
.summary-row {
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}
.summary-row.total {
  font-weight: 800;
  color: var(--text);
  font-size: 1.08rem;
}
.cart-item,
.order-card {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.qty-controls {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.qty-controls button {
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
}
.qty-controls span { padding: 0 12px; }
.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 24px 0;
}
.auth-main {
  display: grid;
  place-items: center;
  min-height: calc(100vh - 160px);
  padding: 40px 0;
}
.auth-wrap { width: min(520px, calc(100% - 32px)); }
.auth-card { padding: 28px; }
.success-card { text-align: center; padding: 32px; }
.account-profile-row,
.order-summary-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.message {
  margin: 12px 0;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.95rem;
}
.message.success { background: rgba(125,255,90,0.12); color: #d8ffcb; }
.message.error { background: rgba(255,107,107,0.12); color: #ffd2d2; }
.legal-content { max-width: 900px; }
.legal-content h2 { margin-top: 26px; }
.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 22px;
  padding: 38px 0;
}
.footer-grid h4,
.footer-grid h3 { margin-top: 0; }
.footer-grid a,
.footer-grid p,
.footer-bottom p { color: var(--muted); display: block; margin-bottom: 10px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 18px 0;
}
.hidden { display: none !important; }

@media (max-width: 980px) {
  .hero-grid,
  .three-up,
  .product-grid,
  .promo-grid,
  .contact-layout,
  .account-layout,
  .cart-layout,
  .checkout-layout,
  .shop-layout,
  .product-detail,
  .footer-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
  .filter-panel,
  .summary-card { position: static; }
}

@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    left: 16px;
    right: 16px;
    top: 76px;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    background: #0d121b;
    border: 1px solid var(--line);
    padding: 16px;
    border-radius: 16px;
  }
  .site-nav.open { display: flex; }
  .brand-text { font-size: 0.95rem; }
  .hero { padding-top: 44px; }
  .hero-card, .card, .cta-wrap { padding: 20px; }
}