:root {
  color-scheme: dark;
  --bg: #090507;
  --panel: rgba(20, 10, 12, 0.78);
  --panel-solid: #140a0d;
  --ink: #fff8f5;
  --muted: #c9aaa7;
  --line: rgba(255, 235, 230, 0.15);
  --red: #ff2442;
  --red-2: #ff6b7b;
  --cream: #fff1e8;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 76% 0%, rgba(255, 36, 66, 0.32), transparent 29rem),
    radial-gradient(circle at 8% 18%, rgba(255, 241, 232, 0.1), transparent 24rem),
    linear-gradient(180deg, #16070b 0%, #090507 48%, #070405 100%);
  font-family:
    ui-sans-serif,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    sans-serif;
  letter-spacing: 0;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 235, 230, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 235, 230, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.72), transparent 74%);
}

a {
  color: inherit;
  text-decoration: none;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(9, 5, 7, 0.74);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 780;
}

.brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.14);
}

.nav nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav nav a:hover {
  color: var(--ink);
}

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: clamp(32px, 7vw, 86px);
  padding: 76px 0 54px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--red-2);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 860px;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: 0;
}

h2 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  font-size: 18px;
}

.lead,
.section p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.lead {
  max-width: 720px;
  margin-top: 26px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-weight: 740;
}

.button.primary {
  color: #fff;
  background: var(--red);
  border-color: transparent;
  box-shadow: 0 18px 42px rgba(255, 36, 66, 0.28);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.045);
}

.terminal,
.code-card,
.cards article,
.strip {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.terminal {
  border-radius: 14px;
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  gap: 8px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.terminal-bar span {
  width: 11px;
  height: 11px;
  border-radius: 999px;
  background: #553036;
}

.terminal-bar span:first-child {
  background: var(--red);
}

pre {
  margin: 0;
  overflow: auto;
  color: var(--cream);
  font: 14px/1.7 "SFMono-Regular", Consolas, monospace;
}

.terminal pre,
.code-card pre {
  padding: 22px;
}

.strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-bottom: 80px;
  border-radius: 14px;
  overflow: hidden;
}

.strip div {
  padding: 24px;
  background: rgba(255, 255, 255, 0.028);
}

.strip strong,
.strip span {
  display: block;
}

.strip span {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.55;
}

.section {
  padding: 84px 0;
  border-top: 1px solid var(--line);
}

.grid-two {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1fr);
  gap: 44px;
  align-items: start;
}

.code-card {
  border-radius: 14px;
  background: var(--panel-solid);
}

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

.cards article {
  min-height: 220px;
  padding: 26px;
  border-radius: 14px;
}

.cards p {
  margin-top: 14px;
  font-size: 15px;
}

.marker {
  display: block;
  width: 34px;
  height: 4px;
  margin-bottom: 28px;
  border-radius: 999px;
  background: var(--red);
}

code {
  color: var(--red-2);
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav nav {
    flex-wrap: wrap;
  }

  .hero,
  .grid-two,
  .cards,
  .strip {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }
}