:root {
  --bg: #faf8f5;
  --bg-alt: #f1ede6;
  --surface: #ffffff;
  --text: #1c1b22;
  --muted: #5d5a66;
  --line: #e4ded4;
  --accent: #d9480f;
  --accent-soft: #fff0e6;
  --accent-text: #ffffff;
  --hero-a: #1b1340;
  --hero-b: #3a1d5c;
  --hero-text: #f6f3ff;
  --hero-muted: #cbc3e8;
  --glow: #ff8a3d;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(28, 27, 34, .04), 0 8px 24px rgba(28, 27, 34, .06);
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131219;
    --bg-alt: #1a1922;
    --surface: #1f1e29;
    --text: #ecebf2;
    --muted: #a3a0b3;
    --line: #2e2c3a;
    --accent: #ff8a3d;
    --accent-soft: #2e2019;
    --accent-text: #1a0f08;
    --hero-a: #0e0a24;
    --hero-b: #2a1545;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* header */
.top {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; white-space: nowrap; }
.mark {
  width: 22px; height: 22px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff 0 12%, var(--glow) 13% 55%, var(--accent) 56%);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
nav { display: flex; gap: 22px; }
nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover, nav a[aria-current] { color: var(--text); }

/* hero */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(600px 300px at 85% 20%, rgba(255, 138, 61, .35), transparent 70%),
    radial-gradient(500px 400px at 10% 110%, rgba(120, 90, 255, .35), transparent 70%),
    linear-gradient(160deg, var(--hero-a), var(--hero-b));
  color: var(--hero-text);
  padding: 112px 0 120px;
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(to bottom, #000, transparent 90%);
}
.hero .wrap { position: relative; z-index: 1; }
.eyebrow {
  display: inline-block; margin: 0 0 20px; padding: 4px 12px;
  border: 1px solid rgba(255, 255, 255, .2); border-radius: 999px;
  font-size: 13px; letter-spacing: .06em; text-transform: uppercase; color: var(--hero-muted);
}
.hero h1 { font-size: clamp(38px, 6.4vw, 68px); font-weight: 800; max-width: 14ch; }
.hero h1 span {
  background: linear-gradient(90deg, #ffb37a, var(--glow) 45%, #ff5f6d);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead { font-size: 19px; color: var(--hero-muted); max-width: 60ch; margin: 24px 0 36px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px;
  font-weight: 600; font-size: 15px; text-decoration: none;
  border: 1px solid rgba(255, 255, 255, .28); color: var(--hero-text);
  transition: transform .15s ease, background .15s ease;
}
.button:hover { transform: translateY(-1px); background: rgba(255, 255, 255, .08); }
.button.primary { background: var(--glow); border-color: var(--glow); color: #1a0f08; }
.button.primary:hover { background: #ff9d5c; }

/* sections */
.section { padding: 96px 0; }
.section.alt { background: var(--bg-alt); }
.section h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; }
.section-lead { color: var(--muted); font-size: 18px; margin: 12px 0 44px; max-width: 60ch; }

/* goals */
.goals { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 20px; }
.goal {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow);
}
.goal .num { font-weight: 700; font-size: 13px; color: var(--accent); letter-spacing: .08em; }
.goal h3 { font-size: 20px; margin: 10px 0 8px; }
.goal p { margin: 0; color: var(--muted); font-size: 16px; }

/* ports */
.port {
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  box-shadow: var(--shadow); overflow: hidden;
}
.port + .port { margin-top: 28px; }
.port-head {
  display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start;
  padding: 36px 36px 28px; border-bottom: 1px solid var(--line);
}
.port-head h3 { font-size: 30px; font-weight: 800; }
.port-meta { color: var(--muted); font-size: 15px; margin: 6px 0 16px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.chips li {
  font-size: 13px; font-weight: 600; padding: 4px 11px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
}
.provenance { color: var(--muted); font-size: 15px; max-width: 68ch; margin: 18px 0 0; }

.release {
  min-width: 250px; padding: 20px; border-radius: var(--radius);
  background: var(--bg-alt); border: 1px solid var(--line);
}
.release .label { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.release .version { font-size: 26px; font-weight: 800; margin: 2px 0 0; }
.release .date { font-size: 14px; color: var(--muted); }
.release .note { font-size: 14px; color: var(--muted); margin: 10px 0 16px; max-width: 32ch; }
.release .downloads { display: grid; gap: 8px; }
.release .button { color: var(--accent-text); background: var(--accent); border-color: var(--accent); width: 100%; justify-content: center; }
.release .button:hover { background: var(--accent); filter: brightness(1.08); }
.release .source { display: block; text-align: center; font-size: 14px; margin-top: 10px; }

.brings {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 4px 36px; padding: 28px 36px 36px; margin: 0; list-style: none;
}
.brings li { position: relative; padding: 12px 0 12px 30px; }
.brings li::before {
  content: ""; position: absolute; left: 0; top: 18px; width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff 0 14%, var(--glow) 15% 60%, var(--accent) 61%);
}
.brings h4 { margin: 0 0 4px; font-size: 16px; }
.brings p { margin: 0; color: var(--muted); font-size: 15px; }
.requires { padding: 0 36px 32px; margin: 0; font-size: 15px; color: var(--muted); }
.requires strong { color: var(--text); }

/* steps */
.steps { list-style: none; counter-reset: s; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 32px; }
.steps li { counter-increment: s; position: relative; padding-top: 56px; }
.steps li::before {
  content: counter(s); position: absolute; top: 0; left: 0;
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 800; background: var(--accent); color: var(--accent-text);
}
.steps h3 { font-size: 20px; margin-bottom: 6px; }
.steps p { margin: 0; color: var(--muted); }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: 14px; }
.foot p { max-width: 72ch; margin: 0 0 8px; }

@media (max-width: 720px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  nav { gap: 14px; }
  nav a:nth-child(3) { display: none; }
  .hero { padding: 72px 0 80px; }
  .section { padding: 64px 0; }
  .port-head { grid-template-columns: 1fr; padding: 24px 20px 20px; }
  .release { min-width: 0; }
  .brings { padding: 16px 20px 24px; }
  .requires { padding: 0 20px 24px; }
}

@media (max-width: 420px) {
  nav a:nth-child(1) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}

/* footnotes */
.fn { margin-left: 2px; color: var(--accent); text-decoration: none; font-weight: 700; }
.footnotes { list-style: none; padding: 0; margin: 28px 0 0; color: var(--muted); font-size: 14px; max-width: 72ch; }
.footnotes li { margin: 0 0 6px; }
.footnotes span { color: var(--accent); font-weight: 700; margin-right: 4px; }

/* how the ports are made */
.made { padding: 72px 0; border-top: 1px solid var(--line); }
.made-inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 48px; align-items: start; }
.made h2 { font-size: clamp(26px, 3.4vw, 34px); }
.made p { margin: 0 0 14px; color: var(--muted); font-size: 17px; }
@media (max-width: 720px) {
  .made { padding: 56px 0; }
  .made-inner { grid-template-columns: 1fr; gap: 16px; }
}

/* doskit page */
.prose { max-width: 68ch; margin-top: 24px; }
.prose p { margin: 0 0 16px; color: var(--muted); font-size: 18px; }
.brings.plain { padding: 0; margin-top: 32px; }
.steps.four { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }