:root {
  color-scheme: dark;
  --ink: #f7f1e5;
  --muted: #b8b0a1;
  --ground: #15130f;
  --panel: #1d1a15;
  --line: #373127;
  --accent: #9aa7ff;
  --signal: #65d7d0;
  --success: #93d6a2;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 88% 3%, rgba(111, 126, 255, .13), transparent 30rem),
    var(--ground);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}
a { color: inherit; }
code, pre { font-family: var(--mono); }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 10;
  padding: .65rem 1rem;
  background: var(--ink);
  color: var(--ground);
}
.skip-link:focus { top: 1rem; }

.site-header, main, footer { width: min(1180px, calc(100% - 3rem)); margin-inline: auto; }
.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 720; letter-spacing: -.02em; text-decoration: none; }
.brand-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 50% 50% 42% 42%;
  background: var(--accent);
  color: var(--ground);
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 800;
}
nav { display: flex; gap: 2rem; }
nav a { color: var(--muted); font-size: .9rem; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--ink); }

.hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(3rem, 7vw, 7rem);
  align-items: center;
  padding: 7rem 0 6rem;
}
.eyebrow { margin: 0 0 1.2rem; color: var(--accent); font-size: .74rem; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.hero .eyebrow { display: flex; align-items: center; gap: .6rem; }
.hero .eyebrow span { width: .45rem; height: .45rem; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 .25rem rgba(101,215,208,.12); }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 400; letter-spacing: -.045em; line-height: .98; }
h1 { max-width: 780px; font-size: clamp(4rem, 8.2vw, 7.2rem); }
h1 em { color: var(--accent); font-weight: 400; }
h2 { font-size: clamp(2.8rem, 5.2vw, 5rem); }
.lede { max-width: 620px; margin: 2rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.7vw, 1.22rem); }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 48px; padding: .65rem 1.15rem; border: 1px solid var(--line); border-radius: 4px; font-size: .9rem; font-weight: 700; text-decoration: none; }
.button.primary { border-color: var(--accent); background: var(--accent); color: var(--ground); }
.button.primary:hover { background: #b3bcff; }
.button.secondary:hover { border-color: var(--muted); }
.availability { margin: 1rem 0 0; color: #8d867a; font-size: .78rem; }

.code-card { overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: #11100d; box-shadow: 0 28px 80px rgba(0,0,0,.3); transform: rotate(1deg); }
.code-bar { min-height: 46px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 1rem; border-bottom: 1px solid #2c2821; color: #8f897e; font-family: var(--mono); font-size: .7rem; }
.dots { display: flex; gap: .35rem; }
.dots i { width: .5rem; height: .5rem; border-radius: 50%; background: #464139; }
.dots i:first-child { background: var(--signal); }
.code-status { justify-self: end; color: var(--success); }
.code-card pre { overflow-x: auto; margin: 0; padding: 2rem 1.6rem 1.5rem; color: #d8d1c5; font-size: clamp(.72rem, 1.25vw, .9rem); line-height: 1.8; }
.kw { color: #d98564; }
.type { color: #aab5ff; }
.str { color: #91d9b0; }
.num { color: #d0a7e7; }
.terminal-line, .terminal-output { padding: .6rem 1.6rem; border-top: 1px solid #29251f; font-family: var(--mono); font-size: .75rem; }
.terminal-line { color: #aaa397; }
.terminal-line span { color: var(--signal); }
.terminal-output { padding-top: 0; border-top: 0; color: var(--success); }

.principles { padding: 8rem 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: .7fr 1.3fr; margin-bottom: 5rem; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feature-grid article { min-height: 320px; padding: 2rem 1.5rem; border-right: 1px solid var(--line); }
.feature-grid article:last-child { border-right: 0; }
.feature-number { color: var(--signal); font-family: var(--mono); font-size: .72rem; }
.feature-grid h3 { margin: 5rem 0 1rem; font-family: var(--serif); font-size: 1.55rem; font-weight: 400; line-height: 1.1; }
.feature-grid p { color: var(--muted); font-size: .86rem; }
.feature-grid code, .toolchain code { color: var(--accent); }

.toolchain { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 7rem; padding: 6rem; border-radius: 8px; background: var(--panel); }
.toolchain p:not(.eyebrow) { max-width: 610px; color: var(--muted); }
.pipeline { display: grid; gap: .8rem; align-content: center; }
.pipeline-step { display: grid; gap: .35rem; padding: 1.25rem 1.4rem; border: 1px solid var(--line); border-radius: 5px; background: #171510; font-family: var(--mono); }
.pipeline-step span { color: var(--signal); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; }
.pipeline-step strong { color: var(--ink); font-size: .9rem; font-weight: 500; }
.pipeline-arrow { padding-left: 1.4rem; color: #5e5a7d; font-family: var(--mono); }
.platforms { display: flex; flex-wrap: wrap; gap: .65rem; margin: 2rem 0 0; padding: 0; list-style: none; }
.platforms li { padding: .45rem .7rem; border: 1px solid var(--line); border-radius: 3px; color: var(--ink); font-family: var(--mono); font-size: .7rem; }
.platforms span { color: var(--muted); }

.status { max-width: 950px; padding: 9rem 0; }
.status p:last-child { max-width: 720px; margin: 2.5rem 0 0 auto; color: var(--muted); font-size: 1.05rem; }

.closing { display: grid; grid-template-columns: 1.1fr .9fr; gap: 4rem; align-items: end; padding: 6rem; border-top: 1px solid var(--line); background: linear-gradient(125deg, #211d16, #181612); }
.closing-links { display: grid; }
.closing-links a { display: flex; justify-content: space-between; padding: 1rem 0; border-bottom: 1px solid var(--line); color: var(--muted); text-decoration: none; }
.closing-links a:hover { color: var(--accent); }

footer { min-height: 170px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 2rem; color: #837c70; font-size: .75rem; }
footer .brand { color: var(--ink); font-size: .9rem; }
footer a:hover { color: var(--ink); }

@media (max-width: 900px) {
  nav a:first-child { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 5rem; }
  .code-card { max-width: 650px; transform: none; }
  .section-heading, .toolchain, .closing { grid-template-columns: 1fr; }
  .section-heading { gap: 1.5rem; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid article:nth-child(2) { border-right: 0; }
  .feature-grid article:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .toolchain { gap: 3rem; padding: 4rem; }
  .pipeline { max-width: 520px; width: 100%; }
  footer { grid-template-columns: 1fr 1fr; padding: 3rem 0; }
  footer p:first-of-type { display: none; }
}

@media (max-width: 600px) {
  .site-header, main, footer { width: min(100% - 2rem, 1180px); }
  .site-header { min-height: 72px; }
  nav { gap: 1rem; }
  nav a:nth-child(2) { display: none; }
  .hero { min-height: auto; padding: 4.5rem 0; }
  h1 { font-size: clamp(3.4rem, 17vw, 5rem); }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-grid article { min-height: 250px; border-right: 0; border-bottom: 1px solid var(--line); }
  .feature-grid article:nth-child(3) { border-bottom: 1px solid var(--line); }
  .feature-grid article:last-child { border-bottom: 0; }
  .feature-grid h3 { margin-top: 3.5rem; }
  .toolchain, .closing { margin-inline: -1rem; padding: 3rem 1rem; border-radius: 0; }
  .status { padding: 6rem 0; }
  footer { grid-template-columns: 1fr; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}