@font-face {
  font-family: "JetBrains Mono";
  src: url("https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono@v2.304/fonts/webfonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono@v2.304/fonts/webfonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono@v2.304/fonts/webfonts/JetBrainsMono-Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("https://cdn.jsdelivr.net/gh/JetBrains/JetBrainsMono@v2.304/fonts/webfonts/JetBrainsMono-BoldItalic.woff2") format("woff2");
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
/* Status line icons; fetched only when a frame draws a private-use glyph. */
@font-face {
  font-family: "Symbols Nerd Font Mono";
  src: url("https://cdn.jsdelivr.net/gh/ryanoasis/nerd-fonts@v3.2.1/patched-fonts/NerdFontsSymbolsOnly/SymbolsNerdFontMono-Regular.ttf") format("truetype");
  unicode-range: U+E000-F8FF;
  font-display: swap;
}

:root {
  --bg: #161616;
  --bg-1: #1b1b1b;
  --bg-2: #222;
  --line: rgba(255, 255, 255, 0.1);
  --line-2: rgba(255, 255, 255, 0.15);
  --fg: #fafafa;
  --fg-2: #a1a1a1;
  --fg-3: #737373;
  --accent: #8fa8c9;
  --accent2: #a99ccf;
  --ok: #8fb996;
  --sans: "Geist Variable", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --mono: "Geist Mono Variable", ui-monospace, SFMono-Regular, Menlo, "PingFang SC", monospace;
  --term: "Geist Mono Variable", "JetBrains Mono", "Symbols Nerd Font Mono", "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", monospace;
  --wrap: 1200px;
  --nav-h: 64px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 24px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(143, 168, 201, 0.35); }
a { color: inherit; text-decoration: none; }
code {
  font-family: var(--mono);
  font-size: 0.875em;
  color: var(--fg);
  background: #262626;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.1em 0.4em;
}
.wrap { width: min(var(--wrap), 100% - 48px); margin: 0 auto; }

/* ---------- nav ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  border-bottom: 1px solid var(--line);
  background: rgba(22, 22, 22, 0.8);
  backdrop-filter: blur(12px);
}
.nav .wrap { height: 100%; display: flex; align-items: center; gap: 48px; }
.brand { display: flex; align-items: center; gap: 10px; white-space: nowrap; font-weight: 700; font-size: 18px; letter-spacing: 0.02em; }
.brand img { width: 30px; height: auto; }
.brand small { font-size: 12px; font-weight: 500; letter-spacing: 0.12em; color: var(--fg-3); text-transform: uppercase; }
.links { display: flex; gap: 32px; font-size: 14px; color: var(--fg-2); }
.links a { transition: color 0.15s; }
.links a:hover, .links a.on { color: var(--fg); }
.actions { margin-left: auto; display: flex; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 16px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: rgba(255, 255, 255, 0.06); }
.btn.solid { background: #fff; border-color: #fff; color: #000; }
.btn.solid:hover { background: rgba(255, 255, 255, 0.9); }
.btn svg { width: 16px; height: 16px; }

/* ---------- section scaffolding ---------- */

.section { padding-top: 144px; }
.eyebrow { margin: 0 0 12px; font-size: 14px; font-weight: 600; letter-spacing: 0.2em; color: var(--accent); text-transform: uppercase; }
.section h2 { margin: 0; font-size: 36px; line-height: 1.15; font-weight: 600; }
.section-lede { margin: 12px 0 0; max-width: 680px; color: var(--fg-2); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; margin-bottom: 48px; }

.card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-1);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  font-weight: 600;
}
.pill i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.pill.soon { color: var(--accent2); border-color: rgba(169, 156, 207, 0.35); background: rgba(169, 156, 207, 0.08); }

/* ---------- hero ---------- */

.hero { position: relative; padding-top: 96px; text-align: center; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 900px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(600px 320px at 30% 70%, rgba(143, 168, 201, 0.12), transparent 70%),
    radial-gradient(600px 320px at 70% 75%, rgba(169, 156, 207, 0.1), transparent 70%);
}
.hero h1 { margin: 40px 0 0; font-size: clamp(36px, 6vw, 60px); line-height: 1.25; font-weight: 700; }
.hero h1 span { color: var(--fg-3); }
.hero-sub { max-width: 640px; margin: 20px auto 0; color: var(--fg-2); }
.cta {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 48px;
  padding: 16px 28px 16px 22px;
  border: 1px solid #fff;
  border-radius: 16px;
  background: #fff;
  color: #000;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cta:hover { transform: translateY(-1px); box-shadow: 0 12px 40px rgba(255, 255, 255, 0.12); }
.cta svg { width: 28px; height: 28px; flex: none; }
.cta b { display: block; font: 600 14px/20px var(--mono); }
.cta small { display: block; font-size: 12px; line-height: 16px; color: #737373; }
.cta.done small { color: #3f8a4f; }
.cta-more { display: block; width: fit-content; margin: 16px auto 0; font-size: 13px; color: var(--fg-2); text-decoration: underline; text-underline-offset: 4px; }
.cta-more:hover { color: var(--fg); }

.window {
  width: fit-content;
  max-width: 100%;
  margin: 80px auto 0;
  border: 1px solid var(--line-2);
  border-radius: 16px;
  overflow: hidden;
  background: #1e1e1e;
  box-shadow: 0 40px 120px -20px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(0, 0, 0, 0.4);
  text-align: left;
}
.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: #232323;
  font-size: 12px;
  color: var(--fg-3);
}
.window-bar i { width: 12px; height: 12px; border-radius: 50%; background: #ff5f57; }
.window-bar i:nth-child(2) { background: #febc2e; }
.window-bar i:nth-child(3) { background: #28c840; }
.window-bar span { margin-left: 12px; }
.window-body { overflow-x: auto; scrollbar-width: none; }
.window .term { font-size: 13px; padding: 18px 22px; }

/* ---------- features ---------- */

.features { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.feature { padding: 28px; transition: border-color 0.2s; }
.feature:hover { border-color: var(--line-2); }
.feature .ico {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  font: 600 16px var(--term);
  color: var(--accent);
}
.feature h3 { margin: 28px 0 8px; font-size: 18px; font-weight: 600; }
.feature p { margin: 0; font-size: 14px; line-height: 1.75; color: var(--fg-2); }

/* ---------- showcase ---------- */

.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tabs button {
  height: 36px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: none;
  color: var(--fg-2);
  font: 500 14px var(--sans);
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.tabs button:hover { color: var(--fg); border-color: var(--line-2); }
.tabs button.on { background: #fff; border-color: #fff; color: #000; }
.showcase { padding: 28px; }
.showcase .ex { margin: 0; }
.more { display: inline-flex; gap: 6px; margin-top: 20px; font-size: 14px; color: var(--fg-2); }
.more:hover { color: var(--fg); }

/* ---------- desktop ---------- */

.desktop { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; padding: 48px; overflow: hidden; }
.desktop h2 { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.desktop p { margin: 16px 0 0; color: var(--fg-2); }
.mock {
  display: grid;
  grid-template-columns: 30% 1fr;
  height: 320px;
  border: 1px dashed var(--line-2);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}
.mock > div { display: grid; align-content: start; gap: 12px; padding: 20px; }
.mock > div:first-child { border-right: 1px dashed var(--line); background: rgba(255, 255, 255, 0.02); }
.mock span { height: 10px; border-radius: 4px; background: rgba(255, 255, 255, 0.06); }
.mock span:nth-child(3n) { width: 60%; }
.mock span:nth-child(3n + 1) { width: 85%; }
.mock em {
  position: absolute;
  inset: auto 0 20px;
  text-align: center;
  font-size: 12px;
  font-style: normal;
  letter-spacing: 0.1em;
  color: var(--fg-3);
}

/* ---------- install ---------- */

.installs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.install { display: flex; flex-direction: column; gap: 12px; padding: 24px; }
.install h3 { margin: 0; font-size: 16px; font-weight: 600; }
.install p { flex: 1; margin: 0; font-size: 13px; line-height: 1.7; color: var(--fg-2); }
.cmd { display: flex; align-items: center; gap: 10px; min-width: 0; padding: 10px 10px 10px 14px; border-radius: 10px; background: rgba(255, 255, 255, 0.05); }
.cmd code { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; background: none; border: 0; padding: 0; font-size: 12.5px; scrollbar-width: none; }
.source { margin: 20px 0 0; font-size: 13px; color: var(--fg-3); }
.source a { color: var(--fg-2); text-decoration: underline; text-underline-offset: 3px; }
.source a:hover { color: var(--fg); }

/* ---------- footer ---------- */

.foot { margin-top: 144px; padding: 32px 0 48px; border-top: 1px solid var(--line); font-size: 13px; color: var(--fg-3); }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 12px 32px; align-items: center; }
.foot nav { margin-left: auto; display: flex; gap: 24px; }
.foot a:hover { color: var(--fg); }
.foot .stamp { flex-basis: 100%; font-size: 12px; }

/* ---------- segmented control ---------- */

.seg { display: inline-flex; max-width: 100%; overflow-x: auto; scrollbar-width: none; border: 1px solid var(--line); border-radius: 999px; padding: 2px; background: rgba(255, 255, 255, 0.03); }
.seg button {
  font: 500 12px/1 var(--sans);
  color: var(--fg-2);
  background: none;
  border: 0;
  border-radius: 999px;
  padding: 6px 11px;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
}
.seg button:hover { color: var(--fg); }
.seg button.on { color: #000; background: #fff; font-weight: 600; }
.seg button:focus-visible, .tabs button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------- exhibits ---------- */

.ex { margin: 56px 0 0; }
.ex-head { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; margin-bottom: 16px; }
.ex-head h3 { margin: 0; font-size: 20px; font-weight: 600; }
.ctl { display: flex; flex-wrap: wrap; gap: 10px 16px; max-width: 100%; }
.ctl-axis { display: flex; align-items: center; gap: 8px; min-width: 0; max-width: 100%; }
.ctl-label { flex: none; font-size: 12px; color: var(--fg-3); }
.ex-body { display: flex; flex-wrap: wrap; gap: 28px 36px; align-items: flex-start; }
.stage { flex: 0 1 auto; max-width: 100%; overflow-x: auto; }
.notes { flex: 1 1 260px; min-width: 240px; margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 12px 16px; align-content: start; padding-top: 4px; }
.notes dt { font-size: 13.5px; font-weight: 500; line-height: 1.75; color: var(--fg); white-space: nowrap; }
.notes dd { margin: 0; font-size: 13.5px; line-height: 1.75; color: var(--fg-2); }
.missing { color: var(--fg-3); }

/* ---------- frames ---------- */

.frame {
  display: inline-block;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: #1e1e1e;
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.9);
  vertical-align: top;
}
.bar {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 34px;
  padding: 0 8px 0 14px;
  /* The frame takes the terminal's width; the bar ellipsizes instead of widening it. */
  contain: inline-size;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
  color: var(--fg-3);
  background: #232323;
}
.bar .src { font-family: var(--mono); font-size: 11.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 34ch; }
.bar .meta { margin-left: auto; white-space: nowrap; }
.copy {
  flex: none;
  font: 500 11px var(--sans);
  color: var(--fg-2);
  background: none;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 3px 10px;
  cursor: pointer;
}
.copy:hover { color: var(--fg); border-color: var(--fg-3); }
.copy.done { color: var(--ok); border-color: rgba(143, 185, 150, 0.4); }
.frame:has(.term.light) .bar { background: #ebedf0; color: #7a818b; border-bottom-color: #d5d9de; }
.frame:has(.term.light) { border-color: #c9ced5; }

.term {
  --pad-x: 18px;
  display: block;
  width: calc(var(--cols) * 1ch + 2 * var(--pad-x));
  padding: 14px var(--pad-x);
  font: 12.5px/1.2 var(--term);
  font-variant-ligatures: none;
  color: var(--term-fg);
  background: var(--term-bg);
  white-space: pre;
  overflow: hidden;
}
.term .ln { height: 1.2em; }
.term .c { display: inline-block; width: 1ch; text-align: center; overflow: visible; }
.term .c2 { width: 2ch; }
.term .px { display: inline-block; width: 1ch; height: 1.2em; vertical-align: top; }
.term .cur { background: var(--term-fg); color: var(--term-bg); }
.term.blur .cur { background: transparent; color: inherit; outline: 1px solid var(--term-fg); outline-offset: -1px; }
.term .shimmer {
  --band: 10ch;
  background-image:
    linear-gradient(90deg, var(--sweep-fg), color-mix(in srgb, var(--sweep-bg) 90%, var(--sweep-fg)) 50%, var(--sweep-fg)),
    linear-gradient(var(--sweep-fg), var(--sweep-fg));
  background-size: var(--band) 100%, 100% 100%;
  background-repeat: no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  font-weight: 700;
  animation: sweep 2s linear infinite;
}
@keyframes sweep {
  from { background-position: -15ch 0, 0 0; }
  to { background-position: calc(var(--n) * 1ch + 5ch) 0, 0 0; }
}

/* ---------- motion ---------- */

.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.7s, transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- narrow ---------- */

@media (max-width: 1024px) {
  .features, .installs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .desktop { grid-template-columns: minmax(0, 1fr); padding: 32px; }
}
@media (max-width: 760px) {
  .nav .links, .brand small { display: none; }
  .section { padding-top: 104px; }
  .section h2 { font-size: 28px; }
  .features, .installs { grid-template-columns: minmax(0, 1fr); }
  .showcase { padding: 18px; }
  .cta { gap: 14px; padding: 14px 18px; }
  .foot nav { margin-left: 0; }
}