:root {
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #171717;
  --text: #e7e7e7;
  --muted: #a3a3a3;
  --faint: #686868;
  --accent: #00cc66;
  --accent-soft: rgba(0, 204, 102, 0.12);
  --border: #2e2e2e;
  --border-strong: #4a4a4a;

  --font-mono: "IBM Plex Mono", "Fira Mono", "Courier New", monospace;
  --font-size-base: 15px;
  --line-height-base: 1.65;

  --max-width: 1080px;
  --radius: 0;
  --space-page: clamp(20px, 4vw, 48px);
}

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

html {
  color-scheme: dark;
  font-size: var(--font-size-base);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(0, 204, 102, 0.08), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: var(--line-height-base);
}

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

a {
  color: var(--text);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover,
a:focus-visible {
  color: var(--accent);
}

.container {
  width: min(100% - (2 * var(--space-page)), var(--max-width));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 16px;
  z-index: 10;
  padding: 8px 12px;
  background: var(--accent);
  color: #000000;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.86);
  backdrop-filter: blur(16px);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px;
}

.brand {
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.top-nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.9rem;
}

.top-nav a,
.site-footer a {
  color: var(--muted);
  text-decoration: none;
}

.top-nav a:hover,
.site-footer a:hover {
  color: var(--accent);
}

.hero {
  padding-block: clamp(56px, 9vw, 116px) clamp(36px, 6vw, 72px);
}

.eyebrow,
.section-kicker,
.product-category {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 28px;
  font-size: clamp(2rem, 7vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.08em;
}

h2 {
  font-size: clamp(1.3rem, 3vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.2;
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 24px;
  align-items: start;
}

.intro-grid > p {
  max-width: 740px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.22rem);
}

.info-card,
.policy-grid article,
.product-card {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
}

.info-card {
  padding: 22px;
}

.info-card h2 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.info-card p {
  color: var(--muted);
}

.product-section {
  padding-block: 36px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-strong);
}

.section-heading h2 {
  margin-bottom: 0;
}

.section-kicker {
  min-width: 34px;
  margin: 0;
}

.product-list {
  display: grid;
  gap: 18px;
}

.product-card {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  padding: 18px;
}

.product-thumb {
  position: relative;
  display: grid;
  min-height: 160px;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--border);
  background:
    linear-gradient(135deg, rgba(0, 204, 102, 0.16), transparent 46%),
    var(--surface-2);
  color: var(--accent);
}

.product-thumb::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.04);
  content: "";
  pointer-events: none;
}

.product-thumb__image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 180ms ease;
}

.product-thumb__fallback {
  position: relative;
  z-index: 1;
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.08em;
  opacity: 0.8;
}

.product-thumb--has-image .product-thumb__image {
  opacity: 1;
}

.product-thumb--has-image .product-thumb__fallback {
  opacity: 0;
}

.product-body > p {
  color: var(--muted);
}

.product-meta {
  display: grid;
  gap: 8px;
  margin: 18px 0;
}

.product-meta div {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 12px;
}

.product-meta dt {
  color: var(--faint);
}

.product-meta dd {
  margin: 0;
  color: var(--text);
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
}

.price {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.buy-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    background-color 160ms ease,
    color 160ms ease,
    border-color 160ms ease;
}

.buy-button:hover,
.buy-button:focus-visible {
  background: var(--accent);
  color: #000000;
}

.context-link {
  margin-top: 14px;
  margin-bottom: 0;
  font-size: 0.92rem;
}

.context-link a {
  color: var(--muted);
}

.context-link a:hover {
  color: var(--accent);
}

.policy-summary {
  padding-block: 56px 72px;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.policy-grid article {
  padding: 20px;
}

.policy-grid h3 {
  font-size: 1rem;
}

.policy-grid p {
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
}

.checkout-message {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 20;
  width: min(calc(100% - 32px), 620px);
  padding: 14px 18px;
  transform: translateX(-50%);
  border: 1px solid var(--accent);
  background: #050505;
  color: var(--text);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.5);
}

@media (max-width: 760px) {
  .header-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .intro-grid,
  .product-card,
  .policy-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    letter-spacing: -0.06em;
  }

  .product-thumb {
    min-height: 140px;
  }
}

@media (max-width: 480px) {
  :root {
    --space-page: 16px;
  }

  .product-card {
    padding: 14px;
  }

  .product-meta div {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .product-actions,
  .buy-button {
    width: 100%;
  }
}