/* devstack website. Same visual language as the app: warm neutrals, one
   Terracotta accent, green only for live state, flat cards with hairlines. */

:root {
  --window: #F3F0EA;
  --card: #FFFDFA;
  --border: #DDD5C9;
  --subtle: #EAE5DC;
  --text: #29251F;
  --text-2: #635C53;
  --text-3: #6B6257;
  --accent: #A84726;
  --accent-hover: #8C381C;
  --on-accent: #FFFFFF;
  --live: #287044;
  --code-bg: #29251F;
  --code-text: #F0EDE7;
  --code-dim: #AAA69F;

  --font: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: "Cascadia Mono", Consolas, ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --window: #1B1B19;
    --card: #242422;
    --border: #3C3B37;
    --subtle: #2D2D29;
    --text: #F0EDE7;
    --text-2: #C0BCB5;
    --text-3: #AAA69F;
    --accent: #E9A27B;
    --accent-hover: #F3B998;
    --on-accent: #211D18;
    --live: #82C99C;
    --code-bg: #121211;
    --code-text: #F0EDE7;
    --code-dim: #8E8A83;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--window);
  color: var(--text);
  font: 16px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-hover); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
code { font: 0.9em var(--mono); background: var(--subtle); padding: 1px 5px; border-radius: 4px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 650; }
h3 { font-size: 1.1rem; font-weight: 600; }
p { margin: 0 0 12px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }

/* ---- header ---- */
.top { border-bottom: 1px solid var(--border); background: var(--window); position: sticky; top: 0; z-index: 10; }
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font: 650 1.15rem var(--display); color: var(--text); text-decoration: none; }
.brand img { border-radius: 6px; }
.nav { display: flex; gap: 4px 18px; flex-wrap: wrap; font-size: 0.95rem; }
.nav a { color: var(--text-2); text-decoration: none; padding: 4px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); }
.nav .nav-sponsor { color: var(--accent); }

/* ---- buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--card);
  color: var(--text); font: 600 0.98rem var(--font); text-decoration: none;
}
.btn:hover { background: var(--subtle); color: var(--text); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--on-accent); }
.btn svg { width: 18px; height: 18px; flex: none; }

/* ---- hero ---- */
.hero { padding: 64px 0 56px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.02em; margin-bottom: 10px; }
.lede { font-size: 1.15rem; color: var(--text-2); max-width: 36em; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 14px; }
.fine { font-size: 0.88rem; color: var(--text-3); }
.shot { margin: 0; border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--card); }

/* ---- sections ---- */
.band { padding: 56px 0; border-top: 1px solid var(--border); }
.band.alt { background: var(--card); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px 22px; }
.card p { color: var(--text-2); margin: 0; font-size: 0.97rem; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 40px; align-items: center; }
.split p { color: var(--text-2); }
.ticks { padding: 0; margin: 16px 0 0; list-style: none; }
.ticks li { position: relative; padding-left: 26px; margin-bottom: 8px; color: var(--text-2); }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 0.55em; width: 10px; height: 6px; border-left: 2px solid var(--live); border-bottom: 2px solid var(--live); transform: rotate(-45deg); }
.code {
  margin: 0; background: var(--code-bg); color: var(--code-text); border-radius: 10px; padding: 20px 22px;
  font: 0.86rem/1.65 var(--mono); overflow-x: auto; white-space: pre;
}
.code .c, .code .p { color: var(--code-dim); }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.steps li { counter-increment: step; background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px 22px; color: var(--text-2); }
.steps li::before { content: counter(step); display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--on-accent); font-weight: 700; margin-bottom: 12px; }
.steps strong { color: var(--text); }
.sponsor-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.sponsor-row p { color: var(--text-2); margin: 0; }

/* ---- changelog ---- */
.prose h2 { font-size: 1.5rem; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.prose h3 { margin-top: 22px; color: var(--text-2); text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.06em; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 10px; color: var(--text-2); }
.prose li strong { color: var(--text); }

/* ---- footer ---- */
.foot { border-top: 1px solid var(--border); padding: 28px 0 36px; font-size: 0.9rem; color: var(--text-3); }
.foot-row { display: flex; justify-content: space-between; gap: 12px 32px; flex-wrap: wrap; }
.foot p { margin: 0; max-width: 40em; }

@media (max-width: 900px) {
  .hero { padding: 40px 0; }
  .hero-grid, .split { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .grid, .steps { grid-template-columns: minmax(0, 1fr); }
}

@media (forced-colors: active) {
  .btn, .card, .steps li, .shot { border-color: CanvasText; }
  .steps li::before, .btn.primary { forced-color-adjust: none; }
}

.downloads { font-size: 0.92rem; color: var(--text-2); margin-top: 6px; }
.downloads strong { color: var(--text); font-variant-numeric: tabular-nums; }