\
:root {
  --background: #07111f;
  --surface: #0e1a2b;
  --surface-2: #14243a;
  --line: rgba(255,255,255,.1);
  --text: #f6f8fb;
  --muted: #9fb0c5;
  --accent: #67e8c5;
  --accent-2: #6ca8ff;
  --danger: #ff7d8a;
  --radius: 22px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 80% 5%, rgba(108,168,255,.18), transparent 30rem),
    radial-gradient(circle at 10% 35%, rgba(103,232,197,.12), transparent 26rem),
    var(--background);
  color: var(--text);
}
button, input, select { font: inherit; }
button, .primary-button, .secondary-button {
  border: 0;
  border-radius: 12px;
  padding: .85rem 1.1rem;
  cursor: pointer;
  font-weight: 750;
}
button { background: var(--accent); color: #052019; }
button:hover, .primary-button:hover, .secondary-button:hover { transform: translateY(-1px); }
a { color: inherit; text-decoration: none; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: rgba(7,17,31,.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: .7rem; font-weight: 850; }
.brand-mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  border-radius: 10px; color: #052019; background: linear-gradient(135deg,var(--accent),#fff);
}
nav { display: flex; align-items: center; gap: 1rem; color: var(--muted); }
nav a:hover { color: var(--text); }
.ghost-button, .secondary-button {
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
}
main { width: min(1180px, calc(100% - 2rem)); margin: auto; }
.hero {
  min-height: 66vh;
  display: grid;
  grid-template-columns: 1.5fr .7fr;
  align-items: center;
  gap: 3rem;
  padding: 6rem 0 4rem;
}
h1, h2, p { margin-top: 0; }
h1 { font-size: clamp(2.7rem, 7vw, 5.8rem); line-height: .96; letter-spacing: -.055em; max-width: 880px; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.035em; }
.hero-copy, .section p, .panel p { color: var(--muted); line-height: 1.7; max-width: 720px; }
.eyebrow { color: var(--accent); font-size: .75rem; letter-spacing: .18em; font-weight: 900; }
.hero-actions { display: flex; gap: .8rem; margin-top: 2rem; }
.primary-button { display: inline-block; background: var(--accent); color: #052019; }
.status-card, .panel, .checkout-card, .endpoint-section, .metrics article {
  background: linear-gradient(145deg, rgba(20,36,58,.9), rgba(10,23,39,.9));
  border: 1px solid var(--line);
  box-shadow: 0 28px 80px rgba(0,0,0,.25);
}
.status-card { display: flex; gap: 1rem; padding: 1.4rem; border-radius: var(--radius); }
.status-card div:last-child { display: grid; gap: .35rem; }
.status-card span { color: var(--muted); }
.pulse { width: 12px; height: 12px; margin-top: .25rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 8px rgba(103,232,197,.12); }
.metrics { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.metrics article { padding: 1.4rem; border-radius: 18px; display: grid; gap: .3rem; }
.metrics strong { font-size: 1.6rem; }
.metrics span { color: var(--muted); }
.section { padding: 7rem 0 1rem; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 1rem; }
.search-form { display: flex; gap: .5rem; }
input, select {
  width: 100%;
  color: var(--text);
  background: rgba(0,0,0,.18);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: .85rem;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent-2); box-shadow: 0 0 0 3px rgba(108,168,255,.12); }
.product-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; margin-top: 1.5rem; }
.product-card { min-height: 250px; display: flex; flex-direction: column; padding: 1.25rem; border: 1px solid var(--line); border-radius: 18px; background: rgba(14,26,43,.75); }
.product-card .category { color: var(--accent-2); font-size: .8rem; font-weight: 800; }
.product-card p { color: var(--muted); line-height: 1.5; }
.product-card footer { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding: 0; border: 0; }
.product-card strong { font-size: 1.25rem; }
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; padding-top: 7rem; }
.panel { border-radius: var(--radius); padding: 2rem; }
.accent-panel { background: linear-gradient(150deg, rgba(39,72,91,.9), rgba(10,23,39,.95)); }
.button-stack { display: grid; grid-template-columns: 1fr 1fr; gap: .7rem; margin-top: 2rem; }
.demo-credentials { margin-top: 1.5rem; display: grid; gap: .4rem; color: var(--muted); }
.demo-credentials code { color: var(--text); }
.stacked-form { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: .7rem; margin-top: 1rem; }
label { display: grid; gap: .45rem; color: var(--muted); font-size: .9rem; }
.checkout-section { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.checkout-card { padding: 1.5rem; border-radius: var(--radius); display: grid; gap: 1rem; }
.cart-items { display: grid; gap: .6rem; color: var(--muted); }
.cart-row { display: flex; justify-content: space-between; padding-bottom: .6rem; border-bottom: 1px solid var(--line); }
.endpoint-section { border-radius: var(--radius); margin-bottom: 7rem; padding: 2rem; }
pre { min-height: 160px; overflow: auto; border-radius: 14px; padding: 1rem; background: #030914; border: 1px solid var(--line); color: #b9f7e6; }
body > footer { display: flex; justify-content: space-between; gap: 1rem; padding: 2rem clamp(1rem,4vw,4rem); color: var(--muted); border-top: 1px solid var(--line); }
dialog { width: min(460px, calc(100% - 2rem)); color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 0; box-shadow: 0 30px 100px #000; }
dialog::backdrop { background: rgba(0,0,0,.7); backdrop-filter: blur(6px); }
.dialog-form { position: relative; display: grid; gap: 1rem; padding: 2rem; }
.dialog-close { position: absolute; right: 1rem; top: 1rem; width: 38px; height: 38px; padding: 0; background: transparent; color: var(--muted); border: 1px solid var(--line); }
@media (max-width: 850px) {
  nav a { display: none; }
  .hero, .split-section, .checkout-section { grid-template-columns: 1fr; }
  .hero { padding-top: 4rem; }
  .metrics, .product-grid { grid-template-columns: repeat(2,1fr); }
  .section-heading { align-items: stretch; flex-direction: column; }
}
@media (max-width: 520px) {
  .metrics, .product-grid, .button-stack { grid-template-columns: 1fr; }
  .search-form, .hero-actions, .stacked-form { display: grid; grid-template-columns: 1fr; }
  body > footer { flex-direction: column; }
}