/* Shared styles for the landing page (/) and documentation (/documentation). */
:root {
  --bg: #fbfbfd; --surface: #ffffff; --surface-2: #f3f4f8; --border: #e3e5ec; --border-strong: #cfd3de;
  --text: #121521; --muted: #5d6478; --faint: #8a90a2;
  --accent: #5b5bf0; --accent-2: #19b5c9; --accent-soft: #ecebff; --on-accent: #ffffff;
  --ok: #18a058; --ok-soft: #e3f6ea; --warn: #b7791f; --warn-soft: #fdf3e1; --err: #d64545; --err-soft: #fdeaea;
  --code-bg: #0d1020; --code-surface: #151931; --code-border: #262b4a; --code-text: #e6e8f2; --code-muted: #8d93b5;
  --tok-key: #9fa8ff; --tok-str: #7fe0b3; --tok-num: #f5b86b; --tok-kw: #ff8fb1; --tok-fn: #7cc8ff;
  --radius: 14px; --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(18, 21, 33, 0.04), 0 8px 24px rgba(18, 21, 33, 0.06);
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d17; --surface: #121527; --surface-2: #181c33; --border: #242942; --border-strong: #333a5c;
    --text: #eceef7; --muted: #a2a8c3; --faint: #737a99;
    --accent: #8b8bff; --accent-2: #4fd6e6; --accent-soft: #1e1f45; --on-accent: #0b0d17;
    --ok: #4cd18a; --ok-soft: #12301f; --warn: #f0b85a; --warn-soft: #33270f; --err: #ff7b7b; --err-soft: #3a1717;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.25);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, kbd { font-family: var(--mono); }
:not(pre) > code { font-size: 0.86em; background: var(--surface-2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 6px; }
img, svg { max-width: 100%; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
/* Grid children default to min-width:auto, so a long code line would stretch the page sideways. */
.hero .container > *, .split > *, .steps > *, .grid-3 > *, .docs > * { min-width: 0; }
body { overflow-x: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: color-mix(in srgb, var(--bg) 82%, transparent); backdrop-filter: saturate(160%) blur(12px); border-bottom: 1px solid var(--border); }
.nav .container { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); display: grid; place-items: center; color: #fff; font: 700 13px var(--mono); }
.nav-links { display: flex; gap: 22px; margin-right: auto; }
.nav-links a { color: var(--muted); font-size: 15px; font-weight: 500; }
.nav-links a:hover, .nav-links a.active { color: var(--text); text-decoration: none; }
.nav-cta { display: flex; gap: 10px; }
@media (max-width: 760px) { .nav-links { display: none; } .nav .container { gap: 12px; justify-content: space-between; } .nav-cta .btn.ghost { display: none; } }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 42px; padding: 0 18px; border-radius: 10px; font: 600 15px var(--font); border: 1px solid var(--border-strong); background: var(--surface); color: var(--text); cursor: pointer; white-space: nowrap; transition: transform 0.15s, box-shadow 0.15s, background 0.15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.ghost { background: transparent; }
.btn.sm { height: 36px; padding: 0 14px; font-size: 14px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.arrow { transition: transform 0.15s; }
.btn:hover .arrow { transform: translateX(3px); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 88px 0 72px; }
.hero::before { content: ""; position: absolute; inset: -40% -10% auto -10%; height: 760px; background: radial-gradient(closest-side at 30% 40%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%), radial-gradient(closest-side at 75% 30%, color-mix(in srgb, var(--accent-2) 18%, transparent), transparent 70%); pointer-events: none; }
.hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 70%); opacity: 0.5; pointer-events: none; }
.hero .container { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 960px) { .hero .container { grid-template-columns: 1fr; gap: 40px; } .hero { padding-top: 56px; } }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 5px 12px 5px 6px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); font-size: 13px; color: var(--muted); box-shadow: var(--shadow); }
.pill b { background: var(--accent-soft); color: var(--accent); padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); display: inline-block; }
.status-dot.up { background: var(--ok); box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 20%, transparent); }
.status-dot.down { background: var(--err); }
h1.display { font-size: clamp(38px, 6vw, 62px); line-height: 1.04; letter-spacing: -0.035em; margin: 22px 0 18px; font-weight: 800; }
.gradient-text { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { font-size: 19px; color: var(--muted); max-width: 540px; margin: 0 0 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: var(--muted); }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.check { color: var(--ok); font-weight: 700; }

/* Code window */
.window { background: var(--code-bg); border: 1px solid var(--code-border); border-radius: var(--radius); box-shadow: 0 30px 60px -20px rgba(11, 13, 32, 0.45); overflow: hidden; color: var(--code-text); }
.window-bar { display: flex; align-items: center; gap: 14px; padding: 0 14px; height: 46px; border-bottom: 1px solid var(--code-border); background: var(--code-surface); }
.dots { display: flex; gap: 6px; } .dots i { width: 11px; height: 11px; border-radius: 50%; background: #3a3f63; }
.window pre, .code pre { margin: 0; padding: 18px 20px; overflow-x: auto; font-size: 13.5px; line-height: 1.65; color: var(--code-text); background: transparent; }
.window .divider { border-top: 1px dashed var(--code-border); }
.resp-head { display: flex; align-items: center; gap: 10px; padding: 12px 20px 0; font: 12px var(--mono); color: var(--code-muted); }
.resp-head .ok { color: var(--tok-str); font-weight: 700; }
.t-key { color: var(--tok-key); } .t-str { color: var(--tok-str); } .t-num { color: var(--tok-num); } .t-kw { color: var(--tok-kw); } .t-fn { color: var(--tok-fn); } .t-c { color: var(--code-muted); }

/* Tabs */
.tab-list { display: flex; gap: 4px; }
.tab-list button { font: 500 13px var(--font); color: var(--code-muted); background: transparent; border: 0; padding: 6px 11px; border-radius: 7px; cursor: pointer; }
.tab-list button[aria-selected="true"] { color: var(--code-text); background: #252a4d; }
.tab-panel[hidden] { display: none; }
.copy-btn { margin-left: auto; font: 500 12px var(--font); color: var(--code-muted); background: transparent; border: 1px solid var(--code-border); border-radius: 7px; padding: 4px 10px; cursor: pointer; }
.copy-btn:hover { color: var(--code-text); border-color: var(--code-muted); }
.code { position: relative; background: var(--code-bg); border: 1px solid var(--code-border); border-radius: var(--radius-sm); overflow: hidden; }
.code .copy-btn { position: absolute; top: 10px; right: 10px; background: var(--code-bg); }
.code-tabs .window-bar { height: 44px; }

/* Strip */
.strip { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface); }
.strip .container { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip-item { padding: 26px 20px; border-left: 1px solid var(--border); }
.strip-item:first-child { border-left: 0; }
.strip-item b { display: block; font-size: 22px; letter-spacing: -0.02em; }
.strip-item span { color: var(--muted); font-size: 14px; }
@media (max-width: 760px) { .strip .container { grid-template-columns: 1fr 1fr; } .strip-item:nth-child(3) { border-left: 0; } .strip-item:nth-child(n+3) { border-top: 1px solid var(--border); } }

/* Sections */
.section { padding: 96px 0; }
.section.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 680px; margin: 0 auto 52px; text-align: center; }
.kicker { font: 600 13px var(--mono); color: var(--accent); text-transform: uppercase; letter-spacing: 0.08em; }
h2.title { font-size: clamp(30px, 4vw, 42px); line-height: 1.12; letter-spacing: -0.03em; margin: 12px 0 14px; font-weight: 800; }
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 960px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .grid-3 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s; }
.card:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow); }
.icon { width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); margin-bottom: 18px; }
.icon svg { width: 22px; height: 22px; }
.card h3 { margin: 0 0 8px; font-size: 18px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; position: relative; }
@media (max-width: 960px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.step-num { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font: 700 15px var(--mono); color: var(--on-accent); background: linear-gradient(135deg, var(--accent), var(--accent-2)); margin-bottom: 18px; }
.step h3 { margin: 0 0 8px; font-size: 19px; }
.step p { margin: 0 0 16px; color: var(--muted); font-size: 15px; }
.step .code pre { font-size: 12.5px; padding: 14px 16px; }

/* Split */
.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
@media (max-width: 960px) { .split { grid-template-columns: 1fr; } }
.list-check { list-style: none; padding: 0; margin: 22px 0 28px; display: grid; gap: 12px; }
.list-check li { display: flex; gap: 12px; color: var(--muted); }
.list-check li::before { content: "✓"; flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; background: var(--ok-soft); color: var(--ok); margin-top: 2px; }
.list-check b { color: var(--text); }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 22px; line-height: 1; transition: transform 0.2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 18px; color: var(--muted); }

/* CTA */
.cta { position: relative; overflow: hidden; border-radius: 22px; padding: 64px 40px; text-align: center; background: linear-gradient(135deg, #2a2a8f, #1a1f4d 55%, #0f4a5c); color: #fff; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(139, 139, 255, 0.45), transparent 45%), radial-gradient(circle at 85% 80%, rgba(79, 214, 230, 0.35), transparent 45%); }
.cta > * { position: relative; }
.cta h2 { font-size: clamp(28px, 4vw, 40px); letter-spacing: -0.03em; margin: 0 0 12px; }
.cta p { color: rgba(255, 255, 255, 0.78); font-size: 18px; margin: 0 auto 28px; max-width: 560px; }
.cta .btn.primary { background: #fff; border-color: #fff; color: #1a1f4d; }
.cta .btn.ghost { color: #fff; border-color: rgba(255, 255, 255, 0.35); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 48px 0; margin-top: 96px; color: var(--muted); font-size: 14px; }
.footer .container { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; align-items: center; }
.footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer a { color: var(--muted); }

/* ---------- Documentation layout ---------- */
.docs { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 48px; padding-top: 40px; }
@media (max-width: 900px) { .docs { grid-template-columns: 1fr; gap: 0; } }
.sidebar { position: sticky; top: 88px; align-self: start; max-height: calc(100vh - 100px); overflow-y: auto; padding-bottom: 24px; }
@media (max-width: 900px) { .sidebar { position: static; max-height: none; border-bottom: 1px solid var(--border); margin-bottom: 24px; } }
.sidebar h4 { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); margin: 22px 0 8px; }
.sidebar h4:first-child { margin-top: 0; }
.sidebar a { display: block; padding: 6px 12px; border-radius: 8px; color: var(--muted); font-size: 14.5px; border-left: 2px solid transparent; }
.sidebar a:hover { color: var(--text); text-decoration: none; background: var(--surface-2); }
.sidebar a.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.doc { min-width: 0; max-width: 820px; padding-bottom: 40px; }
.doc section { padding: 8px 0 40px; border-bottom: 1px solid var(--border); margin-bottom: 40px; }
.doc section:last-child { border-bottom: 0; }
.doc h1 { font-size: clamp(32px, 4vw, 42px); letter-spacing: -0.03em; margin: 8px 0 12px; line-height: 1.1; }
.doc h2 { font-size: 26px; letter-spacing: -0.02em; margin: 0 0 12px; }
.doc h3 { font-size: 18px; margin: 28px 0 10px; }
.doc p, .doc li { color: var(--muted); }
.doc p strong, .doc li strong { color: var(--text); }
.doc .lead { font-size: 18px; }
.doc ol.numbered { list-style: none; counter-reset: n; padding: 0; display: grid; gap: 16px; margin: 20px 0; }
.doc ol.numbered > li { counter-increment: n; position: relative; padding: 18px 20px 18px 64px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.doc ol.numbered > li::before { content: counter(n); position: absolute; left: 18px; top: 18px; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font: 700 14px var(--mono); background: var(--accent-soft); color: var(--accent); }
.doc ol.numbered > li > strong:first-child { display: block; color: var(--text); margin-bottom: 4px; }
.doc ol.numbered ul { margin: 8px 0 0; padding-left: 18px; }
.doc .code, .doc .code-tabs { margin: 16px 0; }
.callout { display: flex; gap: 12px; padding: 14px 16px; border-radius: var(--radius-sm); border: 1px solid; margin: 18px 0; font-size: 15px; }
.callout p { margin: 0; color: inherit; }
.callout.info { background: var(--accent-soft); border-color: color-mix(in srgb, var(--accent) 30%, transparent); color: var(--text); }
.callout.warn { background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 35%, transparent); color: var(--text); }
.callout .ci { flex: none; font-weight: 700; }
table.ref { width: 100%; border-collapse: collapse; font-size: 14.5px; margin: 14px 0; }
table.ref th, table.ref td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.ref th { font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--faint); font-weight: 600; }
table.ref td { color: var(--muted); }
.table-wrap { overflow-x: auto; }

/* Endpoint reference */
.keybar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; margin: 18px 0; }
.keybar label { font-weight: 600; font-size: 14px; }
.keybar input { flex: 1 1 240px; min-width: 0; height: 38px; padding: 0 12px; border-radius: 8px; border: 1px solid var(--border-strong); background: var(--bg); color: var(--text); font: 13px var(--mono); }
.keybar small { flex-basis: 100%; color: var(--faint); font-size: 13px; }
.tag-title { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); margin: 24px 0 10px; }
.ep { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; }
.ep > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 12px; padding: 14px 16px; flex-wrap: wrap; }
.ep > summary::-webkit-details-marker { display: none; }
.method { font: 700 12px var(--mono); padding: 3px 8px; border-radius: 6px; min-width: 56px; text-align: center; }
.m-get { color: var(--ok); background: var(--ok-soft); }
.m-post, .m-put, .m-patch { color: var(--warn); background: var(--warn-soft); }
.m-delete { color: var(--err); background: var(--err-soft); }
.ep .path { font: 600 14px var(--mono); }
.ep .summary { color: var(--muted); font-size: 14px; }
.badge { margin-left: auto; font-size: 12px; padding: 2px 9px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); }
.badge.key { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.ep-body { border-top: 1px solid var(--border); padding: 18px; display: grid; gap: 16px; }
.ep-body p { margin: 0; }
.label { font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: 0.06em; color: var(--faint); margin-bottom: 8px; }
.resp-row { margin-bottom: 8px; color: var(--muted); font-size: 14px; }
.resp-code { font: 700 13px var(--mono); margin-right: 8px; color: var(--text); }
.try-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.result { display: none; margin-top: 12px; } .result.show { display: block; }
.result .status { font: 600 14px var(--mono); margin-bottom: 8px; }
.status.ok { color: var(--ok); } .status.err { color: var(--err); }
textarea.body { width: 100%; min-height: 90px; border-radius: 8px; border: 1px solid var(--border-strong); background: var(--bg); color: var(--text); padding: 10px; font: 13px var(--mono); margin-bottom: 10px; }
.error-box { background: var(--err-soft); color: var(--err); padding: 12px 14px; border-radius: 8px; }
.muted { color: var(--muted); }