:root {
  --bg: #0b0d0c;
  --surface-a: #14171a;
  --surface-b: #1b1f22;
  --grid-line: rgba(255, 255, 255, 0.06);
  --border-line: rgba(255, 255, 255, 0.1);
  --text-main: #edefea;
  --text-muted: #8b9089;
  --accent: #8cff9e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text-main);
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  font-family: Inter, sans-serif;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.catalog-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border-line);
  background: rgba(11, 13, 12, 0.94);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  width: 34px;
  height: 34px;
  object-fit: cover;
  border: 1px solid var(--border-line);
  border-radius: 4px;
}

.brand-text {
  font-family: "Space Grotesk", sans-serif;
}

.catalog-nav {
  display: flex;
  gap: 14px;
}

.catalog-nav a {
  color: var(--text-muted);
  text-decoration: none;
}

.catalog-nav a:hover,
.catalog-nav a[aria-current="page"] {
  color: var(--text-main);
}

.hero {
  padding: 44px 0 20px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--text-muted);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.hero-text {
  color: var(--text-muted);
  max-width: 60ch;
}

.section {
  padding: 12px 0 32px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.product-card {
  border: 1px solid var(--border-line);
  background: var(--surface-a);
  display: grid;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-bottom: 1px solid var(--border-line);
}

.product-body {
  padding: 12px;
  display: grid;
  gap: 8px;
}

.product-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.btn {
  border: 1px solid var(--border-line);
  padding: 10px 14px;
  background: transparent;
  color: var(--text-main);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.75rem;
  text-transform: uppercase;
  cursor: pointer;
}

.btn-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #101211;
}

.btn-primary:hover {
  background: transparent;
  color: var(--accent);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.feedback {
  min-height: 20px;
  color: var(--text-muted);
}

.cart-drawer {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: grid;
  justify-content: end;
}

.cart-card {
  width: min(480px, 100vw);
  height: 100%;
  background: var(--surface-a);
  border-left: 1px solid var(--border-line);
  padding: 16px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 12px;
}

.cart-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  overflow: auto;
}

.cart-items li {
  border: 1px solid var(--border-line);
  background: var(--surface-b);
  padding: 10px;
  display: grid;
  gap: 8px;
}

.cart-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.cart-total {
  margin: 0;
}

.checkout-form {
  display: grid;
  gap: 10px;
}

.checkout-form label {
  display: grid;
  gap: 6px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.checkout-form input,
.checkout-form textarea {
  border: 1px solid var(--border-line);
  background: var(--surface-b);
  color: var(--text-main);
  padding: 10px;
}

.checkout-form input:focus,
.checkout-form textarea:focus {
  outline: none;
  border-color: rgba(140, 255, 158, 0.75);
}

.hidden {
  display: none;
}

@media (max-width: 900px) {
  .catalog-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 680px) {
  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-wrap: wrap;
    padding: 8px 0;
  }
}