@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;600&display=swap");

:root {
  --navy: #1B2A4A;
  --orange: #F07C2E;
  --orange-deep: #D3651C;
  --cream: #F5EFE3;
  --paper: #FCF9F2;
  --slate: #56637C;
  --rule: rgba(27, 42, 74, 0.18);
  --rule-strong: rgba(27, 42, 74, 0.45);
  --code-bg: #14203A;
  --code-fg: #E8E1D3;
  --code-dim: #8A96AE;
  --code-key: #FFB066;
  --code-str: #9AD6A0;
  --ok: #2F7D4A;
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --measure: 62ch;
  --max: 1080px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--navy);
  background: var(--cream);
}

a { color: var(--navy); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--orange-deep); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 0.4em;
}
h1 { font-size: clamp(2.1rem, 4.4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); margin-top: 0; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; max-width: var(--measure); }
p.lede { font-size: 1.2rem; color: var(--navy); }
.muted { color: var(--slate); }
code, .mono { font-family: var(--font-mono); font-size: 0.92em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */
.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--cream);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; min-height: 64px; flex-wrap: wrap;
}
.brand {
  font-family: var(--font-mono); font-weight: 600; font-size: 1.05rem;
  text-decoration: none; color: var(--navy); letter-spacing: -0.01em;
}
.brand span { color: var(--orange); }
.nav { display: flex; gap: 22px; flex-wrap: wrap; }
.nav a { text-decoration: none; font-weight: 500; font-size: 0.97rem; padding: 6px 0; border-bottom: 2px solid transparent; }
.nav a[aria-current="page"] { border-bottom-color: var(--orange); }
.nav a:hover { color: var(--navy); border-bottom-color: var(--rule-strong); }

/* ---------- hero ---------- */
.hero { padding: 64px 0 56px; border-bottom: 1px solid var(--rule); }
.hero .wrap {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 48px; align-items: start;
}
.hero p.lede { margin-top: 18px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }

.codeblock {
  background: var(--code-bg); color: var(--code-fg);
  border-radius: 6px; padding: 18px 20px; overflow-x: auto;
  font-family: var(--font-mono); font-size: 0.82rem; line-height: 1.6;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.05);
}
.codeblock pre { margin: 0; white-space: pre; }
.codeblock .c { color: var(--code-dim); }
.codeblock .k { color: var(--code-key); }
.codeblock .s { color: var(--code-str); }
.codeblock .t { color: var(--code-dim); display: block; margin-bottom: 10px; padding-bottom: 8px; border-bottom: 1px solid rgba(255,255,255,0.08); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block; font-family: var(--font-display); font-weight: 700;
  font-size: 1rem; padding: 12px 20px; border-radius: 4px; text-decoration: none;
  border: 2px solid var(--navy); color: var(--navy); background: transparent;
  cursor: pointer; line-height: 1.2;
}
.btn:hover { background: var(--navy); color: var(--cream); }
.btn-primary { background: var(--orange); border-color: var(--orange); color: var(--navy); }
.btn-primary:hover { background: var(--orange-deep); border-color: var(--orange-deep); color: #fff; }
.btn[aria-disabled="true"] {
  background: transparent; border-style: dashed; border-color: var(--rule-strong);
  color: var(--slate); cursor: default;
}
.btn[aria-disabled="true"]:hover { background: transparent; color: var(--slate); }
.btn-sm { font-size: 0.9rem; padding: 9px 14px; }

/* ---------- sections ---------- */
.section { padding: 56px 0; border-bottom: 1px solid var(--rule); }
.section:last-of-type { border-bottom: 0; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 32px; margin-bottom: 32px; }
.section-head p { margin-bottom: 0; }

/* ---------- product ledger ---------- */
.ledger { border-top: 2px solid var(--navy); }
.product {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) 160px;
  gap: 28px; padding: 28px 0; border-bottom: 1px solid var(--rule); align-items: start;
}
.product h3 { margin-bottom: 6px; }
.product .desc { margin-bottom: 0; color: var(--slate); }
.product .desc strong { color: var(--navy); font-weight: 600; }
.spec { margin: 0; padding: 0; list-style: none; font-size: 0.93rem; }
.spec li { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 12px; padding: 5px 0; border-bottom: 1px dotted var(--rule); }
.spec li:last-child { border-bottom: 0; }
.spec .key { color: var(--slate); }
.spec .val { font-family: var(--font-mono); font-size: 0.86rem; }
.buy { text-align: right; }
.price { font-family: var(--font-display); font-weight: 700; font-size: 1.7rem; line-height: 1; margin-bottom: 12px; }
.price small { display: block; font-family: var(--font-body); font-weight: 400; font-size: 0.82rem; color: var(--slate); margin-top: 6px; }
.buy .note { font-size: 0.8rem; color: var(--slate); margin-top: 10px; }

/* ---------- prose pages ---------- */
.prose { padding: 48px 0 72px; }
.prose h1 { margin-bottom: 0.3em; }
.prose h2 { font-size: 1.45rem; margin-top: 2em; padding-top: 0.6em; border-top: 1px solid var(--rule); }
.prose h3 { font-size: 1.1rem; margin-top: 1.6em; }
.prose ul, .prose ol { max-width: var(--measure); padding-left: 1.3em; }
.prose li { margin-bottom: 0.4em; }
.prose hr { border: 0; border-top: 2px solid var(--navy); margin: 2.4em 0; }
.prose blockquote { margin: 0 0 1em; padding: 12px 18px; border-left: 3px solid var(--orange); background: var(--paper); max-width: var(--measure); }

/* ---------- misc ---------- */
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
.list-plain { list-style: none; margin: 0; padding: 0; }
.list-plain li { padding: 10px 0; border-bottom: 1px solid var(--rule); }
.list-plain li:first-child { border-top: 2px solid var(--navy); }
.badge { display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; padding: 2px 7px; border: 1px solid var(--rule-strong); border-radius: 3px; color: var(--slate); vertical-align: middle; margin-left: 8px; }
.callout { background: var(--paper); border: 1px solid var(--rule); border-left: 3px solid var(--orange); padding: 16px 20px; max-width: var(--measure); margin: 0 0 1.2em; }
.callout p:last-child { margin-bottom: 0; }

/* ---------- footer ---------- */
.site-footer { border-top: 2px solid var(--navy); padding: 36px 0 48px; font-size: 0.88rem; color: var(--slate); }
.site-footer .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr); gap: 32px; }
.site-footer a { color: var(--navy); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer p { margin-bottom: 8px; }

@media (max-width: 860px) {
  .hero .wrap, .section-head, .two-col, .site-footer .wrap { grid-template-columns: 1fr; }
  .product { grid-template-columns: 1fr; gap: 16px; }
  .buy { text-align: left; }
  .hero { padding: 40px 0; }
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  .spec li { grid-template-columns: 90px minmax(0, 1fr); }
}