:root {
  --bg: #0d0e12;
  --panel: #15171c;
  --panel-2: #1b1e24;
  --line: #2a2f35;
  --ink: #e6e8ee;
  --ink-2: #a9b0bc;
  --ink-3: #6f7782;
  --blue: #5794f2;
  --blue-strong: #3d71d9;
  --green: #73bf69;
  --amber: #f2cc0c;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f7f9;
    --panel: #ffffff;
    --panel-2: #f0f2f5;
    --line: #dde1e7;
    --ink: #15181d;
    --ink-2: #4a525e;
    --ink-3: #7a828d;
    --blue: #1f62e0;
    --blue-strong: #1f62e0;
    --green: #37872d;
    --amber: #b07d00;
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 var(--sans);
  overflow-x: hidden;
}
a { color: inherit; }
code, pre { font-family: var(--mono); }
:not(pre) > code {
  font-size: 0.88em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--panel-2);
  border: 1px solid var(--line);
}
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 720px) { .wrap { padding: 0 32px; } }

.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 600 16px var(--mono); text-decoration: none; }
.dim { color: var(--ink-3); font-weight: 400; }
.nav nav { display: flex; align-items: center; gap: 22px; font-size: 14px; }
.nav nav a:not(.btn) { color: var(--ink-2); text-decoration: none; }
.nav nav a:not(.btn):hover { color: var(--ink); }
@media (max-width: 640px) { .nav nav a:not(.btn) { display: none; } }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px; border-radius: 8px;
  background: var(--blue-strong); color: #fff;
  font: 600 15px var(--sans); text-decoration: none;
  border: 1px solid var(--blue-strong);
  transition: transform 0.12s ease, background 0.12s ease;
}
.btn:hover { background: var(--blue); border-color: var(--blue); }
.btn:active { transform: translateY(1px); }
.btn-sm { padding: 7px 14px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { background: var(--panel-2); border-color: var(--ink-3); }

.hero { padding-top: clamp(48px, 9vw, 112px); padding-bottom: clamp(48px, 7vw, 88px); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 20px;
  font: 500 13px var(--mono); color: var(--ink-2);
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px color-mix(in srgb, var(--green) 20%, transparent); }
.hero h1 {
  margin: 0; max-width: 17ch;
  font-size: clamp(36px, 6.4vw, 68px); line-height: 1.04; letter-spacing: -0.035em; font-weight: 700;
  text-wrap: balance;
}
.hero h1 em { font-style: normal; color: var(--blue); }
.lede { max-width: 62ch; margin: 24px 0 0; font-size: clamp(17px, 2vw, 19px); color: var(--ink-2); }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.install {
  display: inline-flex; align-items: center; gap: 10px; max-width: 100%;
  padding: 12px 16px; border-radius: 8px; cursor: pointer;
  background: var(--panel); color: var(--ink); border: 1px solid var(--line);
  font: 500 14px var(--mono);
}
.install:hover { border-color: var(--ink-3); }
.prompt { color: var(--green); }
.copy-state { color: var(--ink-3); font-size: 12px; margin-left: 6px; }
.fine { margin: 18px 0 0; font-size: 13px; color: var(--ink-3); max-width: 62ch; }

.pillars { display: grid; gap: 16px; grid-template-columns: 1fr; padding-bottom: 96px; }
@media (min-width: 860px) { .pillars { grid-template-columns: repeat(3, 1fr); } }
.pillars article { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.pillars h2 { display: flex; align-items: center; gap: 10px; margin: 0 0 10px; font-size: 20px; letter-spacing: -0.01em; }
.tag { font: 500 11px var(--mono); color: var(--ink-3); padding: 2px 7px; border: 1px solid var(--line); border-radius: 999px; }
.pillars p { margin: 0; color: var(--ink-2); font-size: 15px; }
.pillars ul { margin: 16px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--ink-2); }
.pillars li { padding-left: 18px; position: relative; margin-top: 6px; }
.pillars li::before { content: ''; position: absolute; left: 2px; top: 0.62em; width: 6px; height: 6px; border-radius: 2px; background: var(--blue); }

section[id] { scroll-margin-top: 24px; }
.section-title { margin: 0; font-size: clamp(26px, 3.6vw, 36px); letter-spacing: -0.025em; line-height: 1.15; }
.section-lede { max-width: 64ch; color: var(--ink-2); margin: 14px 0 0; }

#how { padding-bottom: 96px; }
.diagram { margin: 32px 0 0; padding: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow-x: auto; }
.diagram svg { display: block; width: 100%; min-width: 620px; height: auto; }
.node rect { fill: var(--panel-2); stroke: var(--line); }
.node.accent rect { stroke: var(--blue); fill: color-mix(in srgb, var(--blue) 8%, var(--panel-2)); }
.t1 { fill: var(--ink); font: 600 17px var(--sans); text-anchor: middle; }
.t2 { fill: var(--ink-3); font: 500 13px var(--mono); text-anchor: middle; }
.t3 { fill: var(--ink-2); font: 500 13px var(--mono); }
.edge { stroke: var(--ink-3); stroke-width: 1.5; fill: none; }
.edge.dashed { stroke-dasharray: 5 5; }
.lbl { fill: var(--ink-3); font: 500 12px var(--mono); text-anchor: middle; }

#quickstart { padding-bottom: 96px; }
.steps { display: grid; gap: 16px; margin-top: 32px; grid-template-columns: 1fr; }
@media (min-width: 980px) { .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.step { min-width: 0; }
.step h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 16px; }
.n { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 6px; background: var(--panel-2); border: 1px solid var(--line); font: 600 12px var(--mono); }
pre {
  margin: 0 0 12px; padding: 16px; overflow-x: auto;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  font-size: 13px; line-height: 1.6; color: var(--ink);
}
pre .k { color: var(--blue); }
pre .s { color: var(--green); }
pre .c { color: var(--ink-3); }

.split { display: grid; gap: 32px; align-items: center; padding-bottom: 96px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .split { grid-template-columns: 1.1fr 1fr; } }
.split .btn { margin-top: 24px; }
.dsl { font-size: 14px; margin: 0; }

.facts { display: grid; gap: 1px; padding: 0; margin-bottom: 96px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; grid-template-columns: 1fr; }
@media (min-width: 720px) { .facts { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1040px) { .facts { grid-template-columns: repeat(4, 1fr); } }
.facts > div { background: var(--panel); padding: 24px; }
.facts h3 { margin: 0 0 8px; font-size: 16px; }
.facts p { margin: 0; color: var(--ink-2); font-size: 14px; }

.closing { text-align: center; padding-bottom: 112px; }
.closing h2 { margin: 0; font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.025em; }
.closing p { color: var(--ink-2); margin: 12px auto 28px; max-width: 52ch; }

.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; padding-bottom: 40px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-3); }
.foot a { color: var(--ink-2); }

/* App pages (/demo, /explore) */
.app-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 8px 16px; font: 500 12px var(--mono); color: #9da5b3;
  background: #0b0c10; border-bottom: 1px solid #2c3235;
}
.app-bar a { color: #ccccdc; text-decoration: none; }
.app-bar a:hover { color: #fff; }
.app-bar .badge { color: #f2cc0c; }
body.app { background: var(--paper, #111217); }