/* ORBIT landing page. One accent colour, typographic hierarchy, no ornament. */
:root {
  --bg: #faf9f7;
  --band: #f3f1ed;
  --ink: #1c1917;
  --muted: #57534e;
  --faint: #a8a29e;
  --line: #e2dfda;
  --accent: #c2410c;
  --accent-ink: #9a3412;
  --code-bg: #1c1917;
  --code-fg: #e7e5e4;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "IBM Plex Serif", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0d0c;
    --band: #161412;
    --ink: #ece9e4;
    --muted: #a8a29e;
    --faint: #6b6560;
    --line: #2a2623;
    --accent: #fb923c;
    --accent-ink: #fdba74;
    --code-bg: #1a1715;
    --code-fg: #e7e5e4;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: 0.9em; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 28px; }

/* Navigation */
.nav { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 600; letter-spacing: 0.08em; font-size: 15px; }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 26px; font-size: 15px; }
.nav-links a { color: var(--muted); }
.nav-links a:hover { color: var(--ink); text-decoration: none; }
.nav-gh { color: var(--ink) !important; font-weight: 500; }

/* Hero */
.hero { padding: 72px 0 80px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.eyebrow { margin: 0 0 18px; font: 500 13px/1 var(--mono); letter-spacing: 0.04em; color: var(--muted); text-transform: uppercase; }
h1 { font: 500 50px/1.08 var(--serif); letter-spacing: -0.02em; margin: 0 0 22px; }
.lede { font-size: 18.5px; color: var(--muted); margin: 0 0 30px; max-width: 34em; }

.install { border: 1px solid var(--line); border-radius: 8px; background: var(--bg); overflow: hidden; margin-bottom: 26px; }
.tabs { display: flex; border-bottom: 1px solid var(--line); background: var(--band); }
.tabs button { font: 500 13px var(--sans); color: var(--muted); background: none; border: 0; padding: 10px 16px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.panel { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.panel[hidden] { display: none; }
.panel code { flex: 1; min-width: 0; font-size: 13.5px; overflow-x: auto; white-space: nowrap; color: var(--ink); }
.panel code::before { content: "$ "; color: var(--faint); }
.panel[data-panel="windows"] code::before { content: "> "; }
.copy { font: 500 12px var(--sans); color: var(--muted); background: none; border: 1px solid var(--line); border-radius: 5px; padding: 5px 10px; cursor: pointer; }
.copy:hover { color: var(--ink); border-color: var(--faint); }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-block; font-weight: 500; font-size: 15px; padding: 11px 20px; border-radius: 6px; border: 1px solid var(--line); color: var(--ink); background: var(--bg); }
.btn:hover { text-decoration: none; border-color: var(--faint); }
.btn-primary { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Code */
.code-card { margin: 0; background: var(--code-bg); border-radius: 10px; overflow: hidden; border: 1px solid #2a2623; }
.code-card figcaption { display: flex; padding: 10px 18px; border-bottom: 1px solid #2f2a27; font: 12.5px var(--mono); color: #a8a29e; }
pre { margin: 0; overflow-x: auto; }
.code-card pre, .terminal { padding: 20px 22px; font: 13.5px/1.62 var(--mono); color: var(--code-fg); }
.code-card pre code, .terminal code { font-size: inherit; }
.k { color: #fdba74; }
.s { color: #bef264; }
.t { color: #5eead4; }
.n { color: #fca5a5; }
.terminal { background: var(--code-bg); border-radius: 10px; border: 1px solid #2a2623; }
.terminal .dim { color: #78716c; }
.terminal.wrap-lines { white-space: pre-wrap; overflow-wrap: anywhere; }
.terminal .err { color: #fb923c; font-weight: 500; }

/* Sections */
section { padding: 84px 0; }
.band { background: var(--band); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-title { font: 500 32px/1.2 var(--serif); letter-spacing: -0.015em; margin: 0 0 18px; }
.section-lede { color: var(--muted); max-width: 44em; margin: 0 0 32px; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 56px; align-items: center; }
.split p { color: var(--muted); }
.split p code { color: var(--ink); }

.steps { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.steps li { border-top: 2px solid var(--ink); padding-top: 20px; }
.step-no { font: 500 13px var(--mono); color: var(--accent-ink); }
.steps h3 { font-size: 20px; font-weight: 600; margin: 8px 0 10px; }
.steps p { color: var(--muted); margin: 0; font-size: 16px; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); margin-top: 36px; }
.features > div { padding: 28px 28px 30px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.features h3 { font-size: 17px; font-weight: 600; margin: 0 0 8px; }
.features p { margin: 0; color: var(--muted); font-size: 15.5px; }
.features code { color: var(--ink); white-space: nowrap; }
.features h3 a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--line); }
.features h3 a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.sdks { width: 100%; border-collapse: collapse; font-size: 15.5px; background: var(--bg); border: 1px solid var(--line); }
.sdks th { text-align: left; font: 500 12.5px var(--mono); text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); padding: 12px 18px; border-bottom: 1px solid var(--line); }
.sdks td { padding: 13px 18px; border-bottom: 1px solid var(--line); }
.sdks tr:last-child td { border-bottom: 0; }
.sdks td:first-child { font-weight: 500; }
.sdks td code { color: var(--ink); }

.guarantees { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px 56px; margin: 36px 0 0; }
.guarantees dt { font-weight: 600; font-size: 17px; margin-bottom: 6px; }
.guarantees dd { margin: 0; color: var(--muted); }

.cta { border-top: 1px solid var(--line); }
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 40px; }
.cta h2 { font: 500 30px/1.2 var(--serif); margin: 0 0 8px; }
.cta p { color: var(--muted); margin: 0; max-width: 36em; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 48px 0 64px; font-size: 14.5px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer h4 { font: 500 12px var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 12px; }
.footer a:not(.brand) { display: block; color: var(--muted); margin-bottom: 8px; }
.footer a:not(.brand):hover { color: var(--ink); text-decoration: none; }
.muted { color: var(--muted); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .split { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .features { grid-template-columns: 1fr 1fr; }
  h1 { font-size: 40px; }
}
@media (max-width: 680px) {
  .wrap { padding: 0 18px; }
  .nav-links a:not(.nav-gh):not(:first-child) { display: none; }
  .hero { padding: 44px 0 56px; }
  h1 { font-size: 33px; }
  section { padding: 56px 0; }
  .steps, .features, .guarantees { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .sdks td:nth-child(2), .sdks th:nth-child(2) { display: none; }
  .code-card pre, .terminal { font-size: 12.5px; }
}
@media (max-width: 680px) {
  .sdks td code { overflow-wrap: anywhere; font-size: 12.5px; }
  .sdks td, .sdks th { padding: 11px 12px; }
}