:root {
    --bg: oklch(0.985 0.002 35);
    --surface: oklch(1 0 0);
    --ink: oklch(0.2 0.012 35);
    --ink-2: oklch(0.38 0.012 35);
    --rule: oklch(0.86 0.006 35);
    --vermilion: oklch(0.56 0.19 33);
    --vermilion-ink: oklch(0.47 0.17 33);
    --vermilion-wash: oklch(0.95 0.03 33);
    --serif: 'Newsreader', 'Iowan Old Style', Georgia, serif;
    --sans: 'IBM Plex Sans', system-ui, sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, monospace;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scrollbar-color: var(--ink-2) var(--bg); }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font: 400 1.0625rem/1.6 var(--sans);
    caret-color: var(--vermilion);
}
::selection { background: var(--vermilion-wash); color: var(--ink); }
a { color: inherit; text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { color: var(--vermilion-ink); }
:focus-visible { outline: 2px solid var(--vermilion); outline-offset: 3px; border-radius: 2px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

.wrap { width: min(72rem, 100% - 2.5rem); margin-inline: auto; }
.skip { position: absolute; left: -999px; top: 0.5rem; background: var(--ink); color: var(--bg); padding: 0.5rem 0.75rem; }
.skip:focus { left: 0.5rem; z-index: 10; }

/* Masthead: the one vermilion rule that identifies the publication. */
.masthead { border-top: 6px solid var(--vermilion); border-bottom: 1px solid var(--rule); background: var(--surface); }
.masthead-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding-block: 1rem; }
.wordmark { font: 600 1.375rem/1 var(--serif); text-decoration: none; letter-spacing: -0.01em; }
.wordmark span { color: var(--vermilion-ink); }
nav { display: flex; gap: 1.5rem; font-size: 0.9375rem; }
nav a { text-decoration: none; color: var(--ink-2); }
nav a:hover { color: var(--ink); text-decoration: underline; }

h1, h2 { font-family: var(--serif); font-weight: 600; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.5rem, 1.6rem + 3.6vw, 4.5rem); line-height: 1.02; letter-spacing: -0.025em; max-width: 14ch; }
h2 { font-size: clamp(1.75rem, 1.4rem + 1.2vw, 2.375rem); line-height: 1.1; letter-spacing: -0.015em; }

/* Hero */
.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; padding-block: clamp(3rem, 8vw, 6.5rem) clamp(3rem, 6vw, 5rem); }
.lede { font-size: 1.1875rem; color: var(--ink-2); max-width: 46ch; margin: 1.5rem 0 2rem; text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1.25rem 1.75rem; }
.btn {
    display: inline-block; background: var(--ink); color: var(--bg); text-decoration: none;
    font-weight: 500; padding: 0.875rem 1.375rem; border-radius: 3px;
    transition: background-color 200ms var(--ease-out), transform 200ms var(--ease-out);
}
.btn:hover { background: var(--vermilion-ink); color: var(--surface); }
.btn:active { transform: translateY(1px); }
.link { font-weight: 500; }

/* The notice: a real record, set like an entry in an official gazette. */
.notice {
    margin: 0; background: var(--surface); border: 1px solid var(--ink);
    padding: 1.5rem 1.5rem 1.25rem; position: relative;
    animation: notice-in 900ms var(--ease-out) both;
}
.notice-head { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--rule); padding-bottom: 0.75rem; margin-bottom: 1rem; font-size: 0.875rem; color: var(--ink-2); }
.stamp {
    font: 500 0.75rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--vermilion-ink); border: 1.5px solid var(--vermilion); padding: 0.375rem 0.5rem; border-radius: 2px;
    transform: rotate(-4deg);
    animation: stamp-in 500ms 650ms var(--ease-out) both;
}
.notice h2 { font-size: 1.375rem; line-height: 1.25; letter-spacing: -0.01em; margin-bottom: 1.25rem; }
.fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.875rem 1.25rem; margin: 0; }
.fields div { min-width: 0; }
.fields dt { font-size: 0.8125rem; color: var(--ink-2); }
.fields dd { margin: 0.125rem 0 0; font-size: 0.9375rem; overflow-wrap: anywhere; }
.notice figcaption { margin-top: 1.25rem; padding-top: 0.875rem; border-top: 1px solid var(--rule); font-size: 0.8125rem; color: var(--ink-2); }

@keyframes notice-in { from { opacity: 0.001; transform: translateY(12px); filter: blur(6px); } }
@keyframes stamp-in { from { opacity: 0; transform: rotate(-4deg) scale(1.6); } }

/* Sections */
section + section { border-top: 1px solid var(--rule); }
.register, .method, .contact { padding-block: clamp(3rem, 6vw, 4.5rem); }
.section-intro { color: var(--ink-2); max-width: 60ch; margin: 0.75rem 0 2rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
thead th { text-align: left; font-weight: 500; font-size: 0.8125rem; color: var(--ink-2); border-bottom: 1px solid var(--ink); padding: 0 1rem 0.625rem 0; }
tbody th, tbody td { text-align: left; vertical-align: top; padding: 1.125rem 1rem 1.125rem 0; border-bottom: 1px solid var(--rule); }
tbody th { font: 600 1.125rem/1.3 var(--serif); width: 30%; }
tbody th a { text-decoration-color: var(--vermilion); }
.sub { display: block; font: 400 0.875rem/1.45 var(--sans); color: var(--ink-2); margin-top: 0.25rem; }
td.mono { white-space: nowrap; }
.status { font-size: 0.8125rem; color: var(--ink-2); white-space: nowrap; }
.status.live { color: var(--vermilion-ink); font-weight: 600; }

.rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; margin: 2rem 0 0; }
.rules dt { font: 600 1.25rem/1.25 var(--serif); margin-bottom: 0.625rem; padding-top: 1rem; border-top: 2px solid var(--ink); }
.rules dd { margin: 0; color: var(--ink-2); text-wrap: pretty; }

.contact p { max-width: 62ch; margin: 1rem 0 0; font-size: 1.125rem; }
.contact a { font-weight: 500; }

.footer { border-top: 1px solid var(--rule); padding-block: 2rem 3rem; font-size: 0.8125rem; color: var(--ink-2); }
.footer p { max-width: 80ch; margin: 0; }

/* Product pages */
.crumbs { font-size: 0.875rem; color: var(--ink-2); margin-bottom: 1.25rem; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; }
.crumbs li + li::before { content: "/"; margin-right: 0.5rem; color: var(--rule); }
.crumbs a { color: var(--ink-2); }
.page-hero h1 { font-size: clamp(2.25rem, 1.5rem + 3vw, 3.875rem); line-height: 1.04; max-width: 17ch; }
.feed-links { display: block; font: 500 0.8125rem/1.45 var(--sans); margin-top: 0.5rem; }
.feed-links a { color: var(--ink-2); margin-right: 1rem; }
.feed-links a:hover { color: var(--vermilion-ink); }
.page-section { padding-block: clamp(3rem, 6vw, 4.5rem); }
.rules.four { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2rem; }
.notice-table { width: 100%; font-size: 0.875rem; margin-top: 0.25rem; }
.notice-table th, .notice-table td { padding: 0.4375rem 0.75rem 0.4375rem 0; border-bottom: 1px solid var(--rule); vertical-align: baseline; }
.notice-table thead th { font-size: 0.75rem; padding-bottom: 0.375rem; }
.notice-table tbody th { font: 500 0.8125rem/1.3 var(--mono); width: auto; }
.notice-table td:last-child { text-align: right; padding-right: 0; }
.verdict { font: 500 0.75rem/1 var(--mono); text-transform: uppercase; letter-spacing: 0.06em; }
.verdict.blocked { color: var(--vermilion-ink); }
.score { display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 1rem; }
.score strong { font: 600 2.75rem/1 var(--serif); letter-spacing: -0.02em; }
.score span { font-size: 0.875rem; color: var(--ink-2); }
details.raw { margin-top: 1rem; font-size: 0.875rem; }
details.raw summary { cursor: pointer; font-weight: 500; }
pre.code {
    margin: 0.75rem 0 0; background: var(--ink); color: var(--bg); padding: 1rem 1.125rem; border-radius: 3px;
    font: 400 0.8125rem/1.6 var(--mono); overflow-x: auto; max-width: 100%; white-space: pre;
}
.price-table { max-width: 40rem; }
.price-table td.mono, .price-table th { white-space: nowrap; }
.price-table tbody th { font: 500 1rem/1.3 var(--sans); width: auto; }
.price-note { color: var(--ink-2); font-size: 0.9375rem; max-width: 60ch; margin: 1.25rem 0 0; }
.faq { margin-top: 1.5rem; border-top: 1px solid var(--ink); max-width: 52rem; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; padding: 1.125rem 2rem 1.125rem 0; font: 600 1.1875rem/1.3 var(--serif); list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0.25rem; top: 1.0625rem; font: 400 1.25rem/1 var(--mono); color: var(--vermilion-ink); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0 0 1.25rem; color: var(--ink-2); max-width: 64ch; }
.api-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.api-grid ul { margin: 1rem 0 0; padding-left: 1.125rem; color: var(--ink-2); }
.api-grid li + li { margin-top: 0.375rem; }
.cta-band { padding-block: clamp(3rem, 6vw, 4.5rem); }
.cta-band p { color: var(--ink-2); max-width: 56ch; margin: 0.75rem 0 1.75rem; }

@media (max-width: 64rem) {
    .rules.four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 52rem) {
    .api-grid { grid-template-columns: 1fr; }
    .rules.four { grid-template-columns: 1fr; gap: 1.75rem; }
    .hero { grid-template-columns: 1fr; }
    .rules { grid-template-columns: 1fr; gap: 1.75rem; }
    .register thead { display: none; }
    .register tbody tr { display: grid; grid-template-columns: 1fr auto; gap: 0.25rem 1rem; border-bottom: 1px solid var(--rule); padding-block: 1rem; }
    .register tbody th, .register tbody td { border: 0; padding: 0; width: auto; }
    .register tbody th { grid-column: 1 / -1; }
    .register tbody td:nth-of-type(1) { grid-column: 1 / -1; color: var(--ink-2); }
    .register .feed-links { margin-top: 0.375rem; }
}
@media (max-width: 30rem) {
    nav { gap: 1rem; font-size: 0.875rem; }
    .fields { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
    .notice, .stamp { animation: none; }
    .btn { transition: none; }
}