:root {
  --bg: #0b1220;
  --panel: #10192e;
  --panel-2: #0e1626;
  --border: #1f2c45;
  --text: #e7edf7;
  --muted: #92a2c0;
  --accent: #38bdf8;
  --accent-ink: #04202c;
  --radius: 12px;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f6f8fc;
    --panel: #ffffff;
    --panel-2: #f0f3f9;
    --border: #dbe3f0;
    --text: #101828;
    --muted: #51607a;
    --accent: #0f7fb8;
    --accent-ink: #ffffff;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

header.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; max-width: 1080px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 1.1rem; color: var(--text); }
.brand img { border-radius: 6px; }
nav[aria-label="Main"] { display: flex; align-items: center; gap: 20px; }
nav[aria-label="Main"] a:not(.btn) { color: var(--muted); font-size: .95rem; }
nav[aria-label="Main"] a:not(.btn):hover { color: var(--text); }

.btn {
  display: inline-block; padding: 10px 18px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: .95rem;
}
.btn:hover { text-decoration: none; filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }

main { max-width: 1080px; margin: 0 auto; padding: 0 28px 80px; }
section { padding: 56px 0; border-bottom: 1px solid var(--border); }
section:last-of-type { border-bottom: none; }
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 1.6rem; margin: 0 0 8px; }
h3 { font-size: 1.05rem; margin: 0 0 8px; }
.muted { color: var(--muted); }
.kicker { color: var(--accent); font-weight: 600; letter-spacing: .02em; margin: 0 0 10px; }
.lede { max-width: 640px; font-size: 1.1rem; color: var(--muted); }
.ctas { display: flex; gap: 12px; margin: 22px 0 10px; flex-wrap: wrap; }
.fine { color: var(--muted); font-size: .85rem; }

.compare-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 22px 0 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card p { font-size: .94rem; color: var(--muted); margin: 0 0 10px; }
.card p:last-child { margin-bottom: 0; }

.price-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin: 22px 0 18px; max-width: 560px; }
.price-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.price-card.featured { border-color: var(--accent); }
.price-tier { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .04em; margin: 0 0 6px; }
.price-amount { font-size: 2.1rem; font-weight: 700; margin: 0 0 8px; }
.price-amount span { font-size: 1rem; font-weight: 500; color: var(--muted); }
.price-detail { margin: 0 0 6px; font-size: .95rem; }
.price-scale { margin: 0; font-size: .85rem; color: var(--muted); }
.price-notes { color: var(--muted); font-size: .92rem; padding-left: 20px; margin: 0; }
.price-notes li { margin: 4px 0; }

.fair-use { margin-top: 20px; padding: 16px 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); max-width: 640px; }
.fair-use h3 { margin: 0 0 6px; font-size: .95rem; }
.fair-use p { margin: 0; color: var(--muted); font-size: .9rem; }

.showcase { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-top: 22px; background: var(--panel); }
.showcase-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 14px; border-bottom: 1px solid var(--border); background: var(--panel-2); flex-wrap: wrap; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.tab {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  padding: 7px 12px; border-radius: 999px; font-size: .88rem; cursor: pointer; display: flex; align-items: center; gap: 6px;
}
.tab.is-active { background: var(--showcase-accent, var(--accent)); color: var(--showcase-ink, var(--accent-ink)); font-weight: 600; }
.tag-src { font-size: .72rem; opacity: .75; }
.themes { display: flex; gap: 6px; }
.theme-dot { width: 20px; height: 20px; border-radius: 50%; border: 2px solid transparent; background: var(--dot); cursor: pointer; padding: 0; }
.theme-dot.is-active { border-color: var(--text); }

.showcase-body { display: grid; grid-template-columns: 220px 1fr; min-height: 320px; }
.endpoint-list { border-right: 1px solid var(--border); padding: 10px; overflow: auto; }
.ep-item {
  display: block; width: 100%; text-align: left; background: transparent; border: none; color: var(--text);
  padding: 9px 10px; border-radius: 8px; cursor: pointer; font-size: .86rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.ep-item:hover { background: var(--panel-2); }
.ep-item.is-active { background: var(--showcase-accent, var(--accent)); color: var(--showcase-ink, var(--accent-ink)); }
.ep-method { display: inline-block; width: 46px; font-weight: 700; font-size: .72rem; }
.endpoint-view { padding: 18px 20px; overflow: auto; }
.endpoint-view h4 { margin: 0 0 4px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 1rem; }
.endpoint-view .ep-desc { color: var(--muted); margin: 0 0 16px; font-size: .92rem; }
.endpoint-view pre {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px;
  overflow: auto; font-size: .82rem; margin: 0 0 14px; line-height: 1.5;
}
.endpoint-view .pre-label { font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 0 0 6px; }

/* showcase theme palettes (scoped) */
.showcase[data-theme="ocean"]  { --showcase-accent: #2563eb; --showcase-ink: #eef4ff; }
.showcase[data-theme="sunset"] { --showcase-accent: #ea580c; --showcase-ink: #fff4ec; }
.showcase[data-theme="forest"] { --showcase-accent: #15803d; --showcase-ink: #eafdf0; }
.showcase[data-theme="mono"]   { --showcase-accent: #52525b; --showcase-ink: #f4f4f5; }

form#wl-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-start; margin-top: 18px; }
#wl-email {
  flex: 1 1 260px; background: var(--panel); border: 1px solid var(--border); color: var(--text);
  padding: 11px 14px; border-radius: 8px; font-size: 1rem;
}
form#wl-form button[type="submit"] {
  background: var(--accent); color: var(--accent-ink); border: none; border-radius: 8px;
  padding: 11px 20px; font-weight: 600; font-size: 1rem; cursor: pointer;
}
form#wl-form button[disabled] { opacity: .6; cursor: default; }
.cap-field { flex: 1 1 100%; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cap-note { color: var(--muted); font-size: .78rem; margin: 0; }
.status { margin-top: 12px; font-size: .92rem; }
.status.show.ok { color: #4ade80; }
.status.show.err { color: #f87171; }

footer { max-width: 1080px; margin: 0 auto; padding: 28px; color: var(--muted); font-size: .85rem; }

@media (max-width: 720px) {
  .compare-grid, .price-cards { grid-template-columns: 1fr; }
  .showcase-body { grid-template-columns: 1fr; }
  .endpoint-list { border-right: none; border-bottom: 1px solid var(--border); }
  nav[aria-label="Main"] { gap: 12px; }
  nav[aria-label="Main"] a:not(.btn) { display: none; }
}