/* OpenPDF public pages — indigo on lavender, doc.track-inspired */
:root {
  --ink: #1e1b4b;
  --ink-2: #6e6b8f;
  --accent: #4f46e5;
  --accent-2: #6366f1;
  --surface: #f2f2fb;
  --card: #ffffff;
  --line: #e6e5f4;
  --radius: 18px;
  --shadow: 0 12px 34px rgba(38, 34, 98, .08);
}
* { box-sizing: border-box; margin: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--surface); color: var(--ink);
  line-height: 1.55; -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
code { background: #ecebfa; border-radius: 6px; padding: .1em .4em; font-size: .92em; color: #37327a; }
.muted { color: var(--ink-2); }
.center { text-align: center; }

/* nav */
.topnav {
  display: flex; align-items: center; gap: 28px;
  padding: 18px 6vw; position: sticky; top: 0; z-index: 20;
  background: rgba(242, 242, 251, .85); backdrop-filter: blur(10px);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--ink); }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: #fff; font-size: 18px;
}
.nav-links { display: flex; gap: 22px; margin-left: 12px; }
.nav-links a { color: var(--ink-2); font-weight: 600; font-size: 14.5px; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { margin-left: auto; display: flex; gap: 10px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; border-radius: 12px; padding: 10px 18px; font-weight: 700; font-size: 14.5px;
  cursor: pointer; transition: .15s; color: var(--ink);
}
.btn-primary { background: linear-gradient(135deg, var(--accent-2), var(--accent)); color: #fff; box-shadow: 0 8px 20px rgba(79, 70, 229, .3); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px rgba(79, 70, 229, .38); }
.btn-ghost { background: #fff; border: 1px solid var(--line); }
.btn-ghost:hover { border-color: #c9c7ec; }
.btn-lg { padding: 13px 26px; border-radius: 14px; font-size: 15.5px; }

.pill {
  display: inline-block; padding: 5px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 700;
  background: #ecebfa; color: var(--accent);
}
.pill-glow { background: linear-gradient(135deg, #ecebfa, #e4e9ff); }

/* hero */
.hero {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center;
  padding: 60px 6vw 80px; max-width: 1400px; margin: 0 auto;
}
.hero h1 { font-size: clamp(34px, 4.6vw, 58px); line-height: 1.08; letter-spacing: -.02em; margin: 18px 0; }
.hero h1 em { font-style: normal; background: linear-gradient(135deg, var(--accent-2), #8b5cf6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: 17.5px; color: var(--ink-2); max-width: 54ch; }
.hero-cta { display: flex; gap: 14px; margin: 26px 0 34px; }
.hero-stats { display: flex; gap: 38px; }
.hero-stats div { display: grid; }
.hero-stats b { font-size: 22px; }
.hero-stats span { color: var(--ink-2); font-size: 13px; }

.code-card { background: #201d4a; border-radius: 20px; box-shadow: var(--shadow); overflow: hidden; }
.code-head { display: flex; align-items: center; gap: 7px; padding: 14px 18px; border-bottom: 1px solid #322e63; }
.code-head .dot { width: 10px; height: 10px; border-radius: 50%; background: #454179; }
.code-title { margin-left: 8px; color: #a5a3d1; font-size: 12.5px; font-family: Consolas, monospace; }
.code-card pre {
  margin: 0; padding: 18px 20px; color: #dcdaf5; font: 13px/1.6 Consolas, "Cascadia Code", monospace;
  overflow-x: auto; white-space: pre;
}
.code-resp pre { border-top: 1px dashed #3a3670; color: #9ee8b8; }

/* sections */
.section { padding: 70px 6vw; max-width: 1400px; margin: 0 auto; }
.section h2 { font-size: clamp(26px, 3vw, 38px); letter-spacing: -.02em; }
.section-sub { color: var(--ink-2); max-width: 72ch; margin-top: 10px; }
.section-alt { background: #fff; border-radius: 32px; max-width: calc(1400px - 4vw); box-shadow: var(--shadow); }

.feature-groups { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 34px; }
.feature-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.feature-card h3 { font-size: 17px; margin-bottom: 14px; }
.feature-card ul { list-style: none; display: grid; gap: 10px; }
.feature-card li { display: grid; gap: 2px; font-size: 13.5px; }
.feature-card li span { color: var(--ink-2); }

.arch-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-top: 30px; }
.arch-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.arch-card h4 { margin-bottom: 8px; }
.arch-card p { color: var(--ink-2); font-size: 14px; }

/* pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 18px; margin-top: 34px; }
.price-card { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; display: grid; gap: 12px; align-content: start; }
.price-featured { outline: 2px solid var(--accent); transform: translateY(-6px); }
.price { font-size: 30px; font-weight: 800; }
.price span { font-size: 14px; color: var(--ink-2); font-weight: 600; }
.price-card ul { list-style: none; display: grid; gap: 7px; color: var(--ink-2); font-size: 13.5px; }
.price-card li b { color: var(--ink); }

.footer {
  display: flex; justify-content: space-between; align-items: center; gap: 30px; flex-wrap: wrap;
  padding: 40px 6vw 60px; max-width: 1400px; margin: 0 auto;
}
.footer-links { display: flex; gap: 20px; }

/* docs — public API reference inside the OpenCertifier-style app shell */
.docs-app-body { background: #fff; }
.docs-shell { background: #fff; }
.docs-workspace { min-width: 0; padding-left: 18px; }
.docs-public-shell .docs-workspace { padding-left: 0; }
.docs-toolbar {
  position: sticky; top: 0; z-index: 25; min-height: 112px; padding: 24px 32px;
  display: grid; grid-template-columns: minmax(230px, .7fr) minmax(320px, 1.5fr) minmax(180px, .55fr); align-items: center; gap: 28px;
  background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px);
}
.docs-api-brand { display: flex; align-items: center; gap: 13px; }
.docs-api-brand > span { width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: #17153f; color: #fff; font: 700 17px/1 Consolas, monospace; }
.docs-api-brand strong, .docs-api-brand small { display: block; }
.docs-api-brand strong { font-size: 17px; }
.docs-api-brand small { margin-top: 2px; color: #9693bd; font-size: 12px; }
.docs-global-search { position: relative; display: block; }
.docs-global-search input { width: 100%; height: 52px; padding: 0 76px 0 50px; border: 1px solid var(--line); border-radius: 16px; background: #f7f7fc; color: var(--ink); font-size: 14px; outline: 0; transition: .15s; }
.docs-global-search input:focus { background: #fff; border-color: var(--accent-2); box-shadow: 0 0 0 4px rgba(99,102,241,.1); }
.docs-search-icon { position: absolute; left: 18px; top: 50%; z-index: 1; transform: translateY(-50%); color: #9693bd; font-size: 28px; line-height: 1; }
.docs-global-search kbd { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); padding: 5px 8px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: #9693bd; font: 11px/1 Consolas, monospace; }
.docs-header-action { justify-self: end; display: inline-flex; align-items: center; gap: 8px; height: 46px; padding: 0 16px; border: 1px solid var(--line); border-radius: 14px; color: var(--ink); font-size: 13px; font-weight: 750; }
.docs-header-action:hover { border-color: #c9c7e8; color: var(--accent); }
.docs-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr) 180px; gap: 28px; padding: 30px 32px 80px; }
.docs-side { position: sticky; top: 132px; align-self: start; max-height: calc(100vh - 152px); overflow-y: auto; display: block; padding-right: 12px; scrollbar-width: thin; scrollbar-color: #8c8a9b transparent; }
.docs-concepts { padding: 12px; border: 1px solid var(--line); border-radius: 20px; background: #f8f8fd; }
.docs-side h5 { margin: 20px 12px 7px; color: #9693bd; text-transform: uppercase; font-size: 11px; letter-spacing: .08em; }
.docs-concepts h5:first-child { margin-top: 2px; }
.docs-side a { display: flex; align-items: center; justify-content: space-between; gap: 9px; color: #5f5c83; font-size: 12.5px; padding: 7px 10px; border-radius: 10px; }
.docs-side a:hover { background: #fff; color: var(--accent); }
.docs-side .ep-link span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.docs-side .ep-link b { color: #3b82f6; font: 700 9px/1 Consolas, monospace; }
.docs-side .ep-link b.get { color: #22925a; }
.docs-main { min-width: 0; }
.docs-main h1 { font-size: clamp(40px, 4vw, 58px); line-height: 1; letter-spacing: -.04em; }
.docs-main h3 { margin: 16px 0 5px; font-size: 18px; }
.docs-main p, .docs-main li { color: #646083; }
.docs-main ol, .docs-main ul { padding-left: 22px; }
.docs-main li + li { margin-top: 7px; }
.doc-block { scroll-margin-top: 132px; background: var(--card); border: 1px solid var(--line); border-radius: 24px; box-shadow: none; padding: 30px 32px; margin-top: 24px; }
.doc-block:first-child { margin-top: 0; }
.doc-block h2 { font-size: 26px; margin: 8px 0 12px; }
.docs-eyebrow { color: var(--accent) !important; font-size: 13px; font-weight: 800; }
.docs-intro .lead { max-width: 760px; margin-top: 22px; font-size: 18px; line-height: 1.7; }
.docs-base-url { margin: 30px 0 36px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #f8f8fd; }
.docs-base-url small { display: block; color: #9693bd; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.docs-base-url code { display: block; margin-top: 8px; padding: 0; background: transparent; color: var(--accent); font-size: 15px; font-weight: 800; }
.docs-concept-cards { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; margin-top: 22px; }
.docs-concept-cards a { display: grid; gap: 8px; min-height: 148px; padding: 22px; border: 1px solid var(--line); border-radius: 20px; color: var(--ink); transition: .15s; }
.docs-concept-cards a:hover { transform: translateY(-2px); border-color: #cbc8ef; box-shadow: var(--shadow); }
.docs-concept-cards a > span { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: #efefff; color: var(--accent); font-size: 20px; }
.docs-concept-cards small { color: #9693bd; }
.group-title { scroll-margin-top: 132px; margin: 46px 0 0; font-size: 26px; }
.ep-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.method { background: #16a34a; color: #fff; font-weight: 800; font-size: 11.5px; border-radius: 7px; padding: 3px 9px; }
.method-get { background: #2563eb; }
.ep-path { font-size: 15px; }
.cost-chip { margin-left: auto; background: #fff4e5; color: #b45309; font-size: 12px; font-weight: 700; border-radius: 999px; padding: 3px 11px; }
.doc-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 12px 0; }
.doc-table th { text-align: left; color: var(--ink-2); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.doc-table td, .doc-table th { padding: 7px 10px 7px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.req { color: #dc2626; font-size: 11.5px; font-weight: 700; }
pre.code { background: #201d4a; color: #dcdaf5; padding: 14px 16px; border-radius: 12px; overflow-x: auto; font: 12.5px/1.6 Consolas, monospace; }
details summary { cursor: pointer; font-weight: 700; color: var(--accent); margin: 8px 0; }
.docs-on-page { position: sticky; top: 132px; align-self: start; color: #5f5c83; font-size: 12.5px; }
.docs-on-page nav { display: grid; gap: 2px; margin-top: 16px; padding-left: 16px; border-left: 2px solid var(--line); }
.docs-on-page a { padding: 7px 0; color: #9693bd; }
.docs-on-page a:first-child, .docs-on-page a:hover { color: var(--accent); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* auth */
.auth-body { background: radial-gradient(1200px 600px at 70% -10%, #dcdafc, var(--surface)); min-height: 100vh; }
.auth-wrap { min-height: 100vh; display: grid; place-items: center; align-content: center; gap: 26px; padding: 5vh 20px; }
.auth-card { background: var(--card); border-radius: 24px; box-shadow: var(--shadow); padding: 38px; width: min(430px, 94vw); display: grid; gap: 14px; }
.auth-card h1 { font-size: 26px; }
.auth-card form { display: grid; gap: 14px; margin-top: 6px; }
.auth-card label { display: grid; gap: 6px; font-weight: 700; font-size: 13.5px; }
.auth-card input { padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; font-size: 14.5px; background: #fbfbfe; }
.auth-card input:focus { outline: 2px solid #c7c5f4; border-color: var(--accent-2); }
.form-error { background: #fee2e2; color: #b91c1c; border-radius: 10px; padding: 10px 14px; font-size: 13.5px; }
.demo-hint { text-align: center; font-size: 12.5px; color: var(--ink-2); background: var(--surface); border-radius: 10px; padding: 8px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 30px; }
  .docs-workspace { padding-left: 0; }
  .docs-toolbar { min-height: 88px; padding: 16px; grid-template-columns: 1fr auto; }
  .docs-global-search { grid-column: 1 / -1; grid-row: 2; }
  .docs-layout { grid-template-columns: 1fr; padding: 20px 14px 60px; }
  .docs-side { position: static; max-height: 330px; padding: 12px; border: 1px solid var(--line); border-radius: 20px; }
  .docs-on-page { display: none; }
  .doc-block { overflow: hidden; }
  .doc-table { display: block; max-width: 100%; overflow-x: auto; }
  .doc-table tbody { display: table; min-width: 560px; width: 100%; }
  .nav-links { display: none; }
}
@media (min-width: 901px) and (max-width: 1450px) { .docs-layout { grid-template-columns: 220px minmax(0,1fr); } .docs-on-page { display: none; } }
@media (max-width: 560px) { .docs-api-brand small, .docs-header-action span, .docs-global-search kbd { display: none; } .docs-header-action { padding: 0 12px; } .docs-concept-cards { grid-template-columns: 1fr; } .doc-block { padding: 22px 18px; } }