/* gorun website. Dark by default, light when the visitor's system asks for it. */
:root {
  --bg: #0b0b0f;
  --bg-2: #111117;
  --panel: #15151c;
  --panel-2: #1b1b24;
  --border: #26262f;
  --text: #e7e7ee;
  --muted: #9a9aab;
  --accent: #8b5cf6;
  --accent-2: #a78bfa;
  --accent-ink: #ffffff;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
  --cyan: #22d3ee;
  --blue: #60a5fa;
  --code-bg: #0e0e14;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --radius: 14px;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #fbfbfd;
    --bg-2: #f3f3f8;
    --panel: #ffffff;
    --panel-2: #f6f6fa;
    --border: #e3e3ec;
    --text: #17171f;
    --muted: #5d5d6e;
    --accent: #7c3aed;
    --accent-2: #6d28d9;
    --code-bg: #f4f4f8;
    --shadow: 0 20px 50px -25px rgba(30, 20, 60, 0.25);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
code, kbd, pre { font-family: var(--mono); }
:not(pre) > code {
  font-size: 0.88em;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.08em 0.38em;
}
kbd {
  font-size: 0.82em;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 0.05em 0.4em;
  background: var(--panel);
}
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4.6vw, 3.3rem); font-weight: 750; }
h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); font-weight: 700; }
h3 { font-size: 1.12rem; font-weight: 650; }
p { margin: 0 0 1em; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 28px; } }
.muted { color: var(--muted); }
.small { font-size: 0.86rem; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 12px; z-index: 50; background: var(--panel); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; gap: 12px; }
.nav nav { display: flex; gap: 2px; overflow-x: auto; }
.nav-link { color: var(--muted); padding: 6px 10px; border-radius: 8px; font-size: 0.93rem; white-space: nowrap; }
.nav-link:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }
.nav-link.active { color: var(--text); background: var(--panel-2); }
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-block; font-family: var(--mono); font-weight: 700; font-size: 1.02rem;
  color: #fff; background: linear-gradient(135deg, #7c3aed, #a855f7);
  padding: 2px 10px; border-radius: 7px; letter-spacing: -0.01em;
}
.brand-mark.small { font-size: 0.9rem; }

/* grid and flex children may shrink below their content (long code lines scroll instead) */
.hero-grid > *, .split > *, .duo > *, .demo > *, .steps > *, .features > *, .docs > *, .sandbox > * { min-width: 0; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 18px; border-radius: 10px; font: 600 0.95rem var(--sans);
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  cursor: pointer; transition: transform .08s, background .15s, border-color .15s;
}
.btn:hover { text-decoration: none; border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); box-shadow: 0 8px 24px -10px var(--accent); }
.btn.primary:hover { background: #7c3aed; }
.btn[disabled] { opacity: .55; cursor: progress; }

/* hero */
.hero { padding: 56px 0 36px; background:
  radial-gradient(800px 380px at 85% 0%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
  radial-gradient(600px 300px at 0% 10%, color-mix(in srgb, #06b6d4 10%, transparent), transparent 70%); }
.hero-grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 980px) { .hero-grid { grid-template-columns: 1fr 1.08fr; } .hero { padding: 84px 0 56px; } }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; font-weight: 650; color: var(--accent-2); margin-bottom: 14px; }
.grad { background: linear-gradient(90deg, #a78bfa, #22d3ee); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 62ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.caption { text-align: center; color: var(--muted); font-size: .86rem; margin-top: 10px; }

/* copy box */
.copy {
  display: flex; align-items: center; gap: 10px; max-width: 100%;
  background: var(--code-bg); border: 1px solid var(--border); border-radius: 10px; padding: 8px 8px 8px 14px; margin: 0 0 1em;
}
.copy code { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; font-size: .85rem; background: none; border: 0; padding: 0; }
.copy .prompt { color: var(--accent-2); user-select: none; }
.copy-btn { flex: none; font: 600 .8rem var(--sans); color: var(--text); background: var(--panel-2); border: 1px solid var(--border); border-radius: 7px; padding: 6px 10px; cursor: pointer; }
.copy-btn:hover { border-color: var(--accent); }

/* video */
.video { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); background: #0b0b0d; box-shadow: var(--shadow); }
.video video { display: block; width: 100%; height: auto; aspect-ratio: auto; }

/* stats band */
.band { border-block: 1px solid var(--border); background: var(--bg-2); }
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; padding-block: 26px; text-align: center; }
@media (min-width: 720px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stats strong { display: block; font-size: 1.7rem; font-weight: 750; }
.stats span { color: var(--muted); font-size: .9rem; }

/* sections */
.section { padding-block: 56px; }
.section-head { max-width: 720px; margin-bottom: 28px; }
.page-head { padding-bottom: 18px; }
.steps, .features { display: grid; gap: 16px; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } .features { grid-template-columns: repeat(3, 1fr); } }
.step, .feature { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.step p, .feature p { color: var(--muted); margin: 0; font-size: .95rem; }
.step-n { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: color-mix(in srgb, var(--accent) 20%, transparent); color: var(--accent-2); font-weight: 700; margin-bottom: 12px; }
.split { display: grid; gap: 16px; margin-top: 18px; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } }
.duo { display: grid; gap: 28px; }
@media (min-width: 900px) { .duo { grid-template-columns: 1fr 1fr; } }
.duo h3 { margin-top: 16px; }
.callout { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, var(--panel)), var(--panel));
  border: 1px solid var(--border); border-radius: 18px; padding: 30px; }
.callout > div { flex: 1 1 420px; }
.callout p { color: var(--muted); margin: 0; }

/* code blocks */
pre.code { margin: 0 0 1.2em; background: var(--code-bg); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 18px; overflow-x: auto; font-size: .84rem; line-height: 1.6; }
pre.code code { background: none; border: 0; padding: 0; }
pre.code .c { color: var(--muted); }
pre.code .p { color: var(--accent-2); user-select: none; }

/* docs */
.docs { display: grid; gap: 32px; padding-block: 40px 64px; }
@media (min-width: 1000px) { .docs { grid-template-columns: 220px minmax(0, 1fr); } }
.toc { display: none; }
@media (min-width: 1000px) {
  .toc { display: block; position: sticky; top: 84px; align-self: start; }
  .toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
  .toc a { display: block; color: var(--muted); padding: 5px 14px; font-size: .9rem; margin-left: -1px; border-left: 2px solid transparent; }
  .toc a:hover { color: var(--text); border-left-color: var(--accent); text-decoration: none; }
  .toc-title { font-size: .75rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
}
.prose { min-width: 0; max-width: 820px; }
.prose h2 { margin-top: 2.2em; padding-top: .3em; scroll-margin-top: 80px; }
.prose h3 { margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin-bottom: .45em; }
.prose .video { margin: 1em 0 1.6em; }
.note { border: 1px solid var(--border); border-left: 3px solid var(--accent); background: var(--panel); border-radius: 10px; padding: 12px 16px; margin: 1em 0; }
.note.warn { border-left-color: var(--amber); }
.practice li::marker { color: var(--accent-2); font-weight: 700; }

/* showcase */
.showcase { display: grid; gap: 56px; padding-bottom: 32px; }
.demo { display: grid; gap: 24px; align-items: center; }
@media (min-width: 980px) {
  .demo { grid-template-columns: 1.35fr 1fr; }
  .demo.flip { grid-template-columns: 1fr 1.35fr; }
  .demo.flip .video { order: 2; }
}
.demo-copy p { color: var(--muted); }

/* playground */
.sandbox { display: grid; gap: 20px; padding-bottom: 56px; }
@media (min-width: 1080px) { .sandbox { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); align-items: start; } }
.pane { min-width: 0; }
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.preset { font: 600 .84rem var(--sans); color: var(--muted); background: var(--panel); border: 1px solid var(--border); border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.preset:hover { color: var(--text); }
.preset.active { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.editor {
  width: 100%; min-height: 480px; resize: vertical; tab-size: 4;
  background: var(--code-bg); color: var(--text); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 16px; font: .83rem/1.55 var(--mono); white-space: pre; overflow: auto;
}
.editor:focus { border-color: var(--accent); outline: none; }
.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin: 12px 0 8px; }
.toolbar-btns { display: flex; gap: 10px; }
.check { display: inline-flex; gap: 8px; align-items: center; color: var(--muted); font-size: .9rem; cursor: pointer; }
.check input { accent-color: var(--accent); width: 16px; height: 16px; }
.plan { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 16px; }
.plan.empty { color: var(--muted); text-align: center; padding: 28px 16px; }
.plan.empty p { margin: 0; }
.plan-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; text-align: center; margin-bottom: 8px; }
.plan-stats strong { display: block; font-size: 1.4rem; }
.plan-stats span { color: var(--muted); font-size: .8rem; }
.warnline { color: var(--amber); font-size: .86rem; margin: 6px 0; }
.pipelines summary { cursor: pointer; color: var(--muted); font-size: .9rem; padding: 6px 0; }
.pipelines ul { list-style: none; margin: 6px 0 0; padding: 0; max-height: 360px; overflow: auto; }
.pipelines li { border-top: 1px solid var(--border); padding: 8px 0; }
.pl-head { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; font-size: .88rem; }
.pl-name { font-family: var(--mono); font-weight: 650; }
.pl-addr { font-family: var(--mono); color: var(--muted); font-size: .8rem; }
.tag { color: var(--accent-2); font-size: .78rem; font-family: var(--mono); }
.pl-tasks { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; margin-top: 5px; }
.chip { font: .74rem var(--mono); background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; cursor: help; }
.arrow { color: var(--muted); font-size: .8rem; }
.errbox { border: 1px solid color-mix(in srgb, var(--red) 55%, transparent); background: color-mix(in srgb, var(--red) 9%, transparent); border-radius: 10px; padding: 12px 14px; }
.errbox-title { color: var(--red); font-weight: 650; margin: 0 0 6px; }
.errbox pre { margin: 0; white-space: pre-wrap; word-break: break-word; font-size: .82rem; }

/* the simulated terminal (always dark, like a terminal) */
.term { background: #0b0b0d; color: #d4d4d8; border: 1px solid #26262c; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
.term-bar { height: 32px; background: #1b1b20; display: flex; align-items: center; gap: 7px; padding: 0 12px; border-bottom: 1px solid #26262c; }
.term-bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }
.term-bar span { flex: 1; text-align: center; color: #8b8b95; font-size: .78rem; margin-right: 40px; }
.term-body { font: .78rem/1.45 var(--mono); padding: 12px 14px; max-height: 620px; overflow: auto; white-space: pre; }
.t-head { margin-bottom: 8px; }
.t-badge { background: #7c3aed; color: #fff; padding: 0 6px; font-weight: 700; }
.t-srv { margin-bottom: 6px; }
.t-name { font-weight: 700; color: #fafafa; }
.t-line { padding-left: 2ch; }
.t-gap { margin-left: 1ch; }
.t-dim { color: #71717a; }
.t-bar { color: #8b5cf6; }
.t-bardone { color: #22c55e; }
.t-barfail { color: #ef4444; }
.t-empty { color: #3f3f46; }
.t-red { color: #ef4444; }
.t-green { color: #22c55e; }
.t-amber { color: #f59e0b; }
.t-cyan { color: #22d3ee; }
.t-blue { color: #60a5fa; }
.t-fail { border: 1px solid #ef4444; border-radius: 6px; padding: 6px 10px; margin: 10px 0; white-space: pre-wrap; }
.t-sum { margin-top: 10px; }

/* footer */
.footer { border-top: 1px solid var(--border); background: var(--bg-2); padding: 34px 0; margin-top: 24px; }
.footer-inner { display: grid; gap: 18px; }
@media (min-width: 820px) { .footer-inner { grid-template-columns: 1fr auto; align-items: start; } .footer-inner > p { grid-column: 1 / -1; } }
.footer-links { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-links a { color: var(--muted); }
.footer p { margin: 8px 0 0; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }