/* Ad Websites — generated site styles. The accent colour lives in theme.css (contrast-checked at build time). */
*, *::before, *::after { box-sizing: border-box; }
:root {
  --ink: #1c2330;
  --muted: #5b6475;
  --line: #dfe3ea;
  --bg-soft: #f5f7fa;
  --focus: #1a56db;
  --radius: 10px;
}
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 1.0625rem/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: #fff;
}
[hidden] { display: none !important; }
img { max-width: 100%; height: auto; }
.wrap { width: 100%; max-width: 68rem; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 48rem) { .wrap { padding: 0 1.5rem; } }
a { color: var(--accent); text-underline-offset: .15em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.skip { position: absolute; left: -9999px; top: 0; z-index: 20; background: #fff; color: var(--ink); padding: .5rem 1rem; border: 2px solid var(--focus); }
.skip:focus { left: 1rem; top: 1rem; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }

/* preview banner (preview variant only) */
.adsites-preview-banner { background: #fff4ce; color: #3d3000; border-bottom: 1px solid #e6d48a; padding: .5rem 1rem; font-size: .9rem; text-align: center; }

/* header and navigation */
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.site-header .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1.5rem; padding-top: .75rem; padding-bottom: .75rem; }
.brand { font-weight: 700; font-size: 1.15rem; color: var(--ink); text-decoration: none; }
.site-header nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; }
.site-header nav a { color: var(--ink); text-decoration: none; padding: .25rem 0; border-bottom: 2px solid transparent; }
.site-header nav a:hover { border-bottom-color: var(--line); }
.site-header nav a[aria-current="page"] { border-bottom-color: var(--accent); }

/* content */
main { padding-top: 1.5rem; padding-bottom: 3rem; }
.page-head { margin-bottom: 1rem; max-width: 46rem; }
.sec { margin: 0 0 2rem; max-width: 46rem; }
.sec-tool, .sec-table { max-width: none; }
h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); line-height: 1.2; margin: .5rem 0 1rem; }
h2 { font-size: 1.4rem; line-height: 1.3; margin: 0 0 .75rem; }
h3 { font-size: 1.1rem; line-height: 1.35; margin: 0 0 .5rem; }
.sec-hero { padding: .75rem 0 .25rem; }
.lead { font-size: 1.2rem; color: var(--muted); margin: 0; }
.prose p { margin: 0 0 1rem; }
.prose ul { margin: 0 0 1rem; padding-left: 1.25rem; }
.prose li { margin: .25rem 0; }
.notice { background: #fff7ed; border-left: 4px solid #b45309; padding: .6rem .9rem; }
.steps { padding-left: 1.4rem; }
.steps li { margin: .4rem 0; }
.faq { border: 1px solid var(--line); border-radius: var(--radius); padding: .75rem 1rem; margin: 0 0 .5rem; background: #fff; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq[open] summary { margin-bottom: .5rem; }
.faq .prose p:last-child { margin-bottom: 0; }
.callout { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: .75rem 1rem; border-radius: 0 var(--radius) var(--radius) 0; }
.callout-warning { border-left-color: #b45309; background: #fff7ed; }
.callout .prose p:last-child { margin-bottom: 0; }
.sources { padding-left: 1.4rem; }
.sources li { margin: .4rem 0; }

/* tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
caption { text-align: left; padding: .5rem .75rem; color: var(--muted); caption-side: top; }
th, td { padding: .5rem .75rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { background: var(--bg-soft); font-weight: 600; }
tbody tr:last-child td { border-bottom: 0; }
.table-filter { margin: 0 0 .75rem; display: flex; flex-wrap: wrap; gap: .5rem .75rem; align-items: center; }
.table-filter p { margin: 0; }
input[type="search"], input[type="number"] { font: inherit; padding: .5rem .65rem; border: 1px solid #8a93a3; border-radius: 8px; background: #fff; color: var(--ink); min-width: 0; }

/* interactive tool */
.tool { border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; background: var(--bg-soft); }
.js .tool-nojs { display: none; }
.calc-inputs, .calc-outputs { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); }
.calc-outputs { margin-top: 1.25rem; gap: .75rem; }
.field label { display: block; font-weight: 600; margin-bottom: .35rem; }
.field input { width: 100%; }
.result { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: .75rem 1rem; }
.result-label { display: block; color: var(--muted); font-size: .9rem; }
.result output { display: inline-block; font-size: 1.6rem; font-weight: 700; color: var(--ink); }
.calc-msg { min-height: 1.5em; margin: .75rem 0 0; color: #9a3412; }
.disclaimer { font-size: .875rem; color: var(--muted); margin: .75rem 0 0; }
.unit { color: var(--muted); font-weight: 400; }
.chk-progress { font-weight: 600; margin: 0 0 .75rem; }
.chk-group { border: 0; margin: 0 0 1rem; padding: 0; min-width: 0; }
.chk-group legend { font-weight: 700; margin-bottom: .5rem; padding: 0; }
.chk-list { list-style: none; margin: 0; padding: 0; }
.chk-list li { display: grid; grid-template-columns: auto 1fr; gap: .15rem .6rem; align-items: start; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: .6rem .75rem; margin-bottom: .4rem; }
.chk-list input { width: 1.2rem; height: 1.2rem; margin: .25rem 0 0; accent-color: var(--accent); }
.chk-help { grid-column: 2; margin: 0; color: var(--muted); font-size: .9rem; }
.tool-button { font: inherit; padding: .5rem .9rem; border-radius: 8px; border: 1px solid #8a93a3; background: #fff; color: var(--ink); cursor: pointer; }
.tool-button:hover { background: var(--bg-soft); }
.dt-node { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; margin-bottom: .75rem; }
.dt-node h3:focus { outline: none; }
.dt-node h3:focus-visible { outline: 3px solid var(--focus); }
.dt-options { list-style: none; padding: 0; margin: .5rem 0 0; display: flex; flex-direction: column; gap: .5rem; }
.dt-option { display: block; padding: .65rem .9rem; border: 1px solid var(--accent); border-radius: 8px; text-decoration: none; color: var(--accent); background: #fff; font-weight: 600; }
.dt-option:hover { background: var(--accent); color: var(--accent-ink); }
.dt-result { border: 2px solid var(--accent); background: var(--accent-soft); }

/* advertising: clearly separated from content, never styled like navigation or buttons */
.ad-slot { clear: both; max-width: 46rem; margin: 2rem 0; padding-top: .5rem; border-top: 1px solid var(--line); }
.ad-label { margin: 0 0 .35rem; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.ad-placeholder { min-height: 90px; display: flex; align-items: center; justify-content: center; text-align: center; padding: 1rem; border: 1px dashed #c7ccd6; border-radius: 4px; background: repeating-linear-gradient(45deg, #fafbfc, #fafbfc 8px, #f3f4f6 8px, #f3f4f6 16px); color: var(--muted); font-size: .85rem; cursor: default; user-select: none; }

/* footer */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-soft); padding: 1.5rem 0; font-size: .95rem; }
.footer-links { list-style: none; margin: 0 0 .5rem; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; }
.site-footer p { margin: .25rem 0 0; }

@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* root catalog */
.catalog-grid{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr))}
.catalog-card{border:1px solid #d9dee7;border-radius:.6rem;padding:1rem 1.1rem;background:#fff}
.catalog-card h3{margin:0 0 .25rem;font-size:1.15rem}
.catalog-card p{margin:.35rem 0}
.catalog-kind{display:inline-block;font-size:.8rem;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:.05rem .6rem}
.catalog-tagline{font-weight:600}

/* brand mark (root catalog) */
.brand-logo { display: inline-flex; align-items: center; gap: .55rem; }
.brand-mark { width: 2rem; height: 2rem; flex: none; border-radius: 22%; }
.footer-brand { margin: 0 0 1rem; }
.footer-brand .brand { margin: 0; }
.footer-brand p.small { margin: .35rem 0 0; max-width: 34rem; }

/* buttons */
.btn { display: inline-block; font: inherit; font-weight: 600; padding: .6rem 1.1rem; border-radius: 8px; border: 1px solid var(--accent); color: var(--accent); background: #fff; text-decoration: none; }
.btn:hover { background: var(--accent-soft); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { background: var(--accent); color: var(--accent-ink); text-decoration: underline; }

/* catalog home */
.hero { max-width: none; margin: 1.5rem 0 2.5rem; padding: 1.75rem 1.25rem; border-radius: 14px; background: linear-gradient(135deg, var(--accent-soft), var(--bg-soft)); }
@media (min-width: 48rem) { .hero { padding: 2.5rem 2.25rem; } }
.hero h1 { margin-top: 0; }
.hero .lead { max-width: 40rem; color: var(--ink); }
.hero .prose { max-width: 40rem; margin-top: 1rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin: 1.25rem 0 0; }
.hero-facts { list-style: none; margin: 1.25rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem .6rem; }
.hero-facts li { font-size: .875rem; font-weight: 600; background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: .2rem .75rem; }
.sec-wide, .sec-catalog { max-width: none; }
.card-grid { list-style: none; margin: 0 0 1rem; padding: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.info-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.1rem; background: #fff; border-top: 3px solid var(--accent); }
.info-card h3 { margin: 0 0 .35rem; }
.info-card p { margin: .35rem 0 0; }
.empty-state { border: 1px dashed #b9c0cc; border-radius: var(--radius); padding: 1.25rem; background: var(--bg-soft); }
.empty-state p { margin: 0 0 .5rem; }
.empty-state p:last-child { margin-bottom: 0; }
.catalog-card .catalog-kind { margin: 0 0 .4rem; }
.prose code { font-size: .9em; background: var(--bg-soft); padding: .05rem .3rem; border-radius: 4px; }