:root {
  --accent: #0F766E;
  --accent-dark: #115E59;
  --accent-soft: #ECFDF5;
  --ink: #111827;
  --ink-2: #374151;
  --muted: #6B7280;
  --line: #E5E7EB;
  --bg-soft: #F9FAFB;
  --warn: #B45309;
  --warn-soft: #FFFBEB;
  --bad: #B91C1C;
  --bad-soft: #FEF2F2;
  --good: #0F766E;
  --radius: 8px;
  --max: 1100px;
  --max-doc: 760px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: #fff;
}
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); font-weight: 700; }
h2 { font-size: 1.35rem; font-weight: 650; }
h3 { font-size: 1.05rem; font-weight: 650; }
p { margin: 0 0 1em; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.wrap-doc { max-width: var(--max-doc); margin: 0 auto; padding: 0 16px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* header / footer */
.site-header { border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.brand { font-weight: 700; color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.brand .mark { width: 22px; height: 22px; border-radius: 6px; background: var(--accent); display: inline-block; position: relative; }
.brand .mark::after { content: ""; position: absolute; left: 7px; top: 3px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.nav a { color: var(--ink-2); text-decoration: none; margin-left: 18px; font-size: .95rem; }
.nav a:hover { color: var(--accent); }
.site-footer { border-top: 1px solid var(--line); margin-top: 64px; padding: 28px 0 40px; color: var(--muted); font-size: .875rem; }
.site-footer .wrap { display: grid; gap: 12px; }
.disclaimer { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; color: var(--ink-2); font-size: .875rem; }

/* buttons + forms */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: var(--accent); color: #fff; border: 0; border-radius: var(--radius); padding: 12px 20px; font-size: 1rem; font-weight: 600; cursor: pointer; text-decoration: none; line-height: 1.2; }
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn.secondary { background: #fff; color: var(--accent); border: 1.5px solid var(--accent); }
.btn.secondary:hover { background: var(--accent-soft); }
.btn.block { width: 100%; }
.btn.lg { padding: 14px 24px; font-size: 1.05rem; }
.btn[disabled] { opacity: .6; cursor: default; }
input[type=text], input[type=email], input[type=url], input[type=date], select, textarea {
  width: 100%; font: inherit; color: var(--ink); padding: 10px 12px; border: 1px solid #CBD5E1; border-radius: var(--radius); background: #fff;
}
input:focus, select:focus, textarea:focus, .btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label { font-weight: 600; display: block; margin-bottom: 6px; }
.help { color: var(--muted); font-size: .875rem; margin: 4px 0 0; }
.field { margin-bottom: 20px; }
.field.error input, .field.error select, .field.error textarea { border-color: var(--bad); }
.field .err { color: var(--bad); font-size: .875rem; margin-top: 4px; }
.yesno { display: inline-flex; border: 1px solid #CBD5E1; border-radius: var(--radius); overflow: hidden; }
.yesno label { margin: 0; font-weight: 500; padding: 9px 18px; cursor: pointer; border-right: 1px solid #CBD5E1; }
.yesno label:last-child { border-right: 0; }
.yesno input { position: absolute; opacity: 0; width: 0; height: 0; }
.yesno input:checked + span { color: var(--accent); font-weight: 650; }
.yesno label:has(input:checked) { background: var(--accent-soft); }
.yesno label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: -2px; }

/* hero / index */
.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 { max-width: 760px; margin: 0 auto .5em; }
.hero .sub { max-width: 640px; margin: 0 auto 28px; color: var(--ink-2); font-size: 1.1rem; }
.scanform { display: flex; gap: 10px; max-width: 620px; margin: 0 auto; }
.scanform input { flex: 1; font-size: 1.05rem; padding: 13px 14px; }
.scanform .btn { white-space: nowrap; }
.alert { border-radius: var(--radius); padding: 12px 14px; margin: 16px auto; max-width: 620px; font-size: .95rem; }
.alert.error { background: var(--bad-soft); color: var(--bad); border: 1px solid #FECACA; }
.alert.warn { background: var(--warn-soft); color: #92400E; border: 1px solid #FDE68A; }
.alert.info { background: var(--accent-soft); color: var(--accent-dark); border: 1px solid #A7F3D0; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 48px 0; }
.step { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.step .n { display: inline-block; width: 26px; height: 26px; border-radius: 50%; background: var(--accent); color: #fff; font-weight: 700; text-align: center; line-height: 26px; font-size: .9rem; margin-bottom: 10px; }
.step h3 { margin-bottom: 4px; }
.step p { margin: 0; color: var(--ink-2); font-size: .95rem; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; }
.pill { border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; font-size: .875rem; color: var(--ink-2); background: #fff; }
.pill .cat { color: var(--muted); }
.section { margin-top: 48px; margin-bottom: 48px; }  /* not `margin: 48px 0`: that would cancel .wrap's auto centering */
.section h2 { margin-bottom: 12px; }
#detect { text-align: center; }
#detect .pills { justify-content: center; }

/* results */
.results-head { display: grid; grid-template-columns: 200px 1fr; gap: 32px; align-items: center; margin: 40px 0 32px; }
.results-head > *, .grid-2 > *, .doc-layout > *, .verify-card > * { min-width: 0; }
.breakable, .breakable a, .check-row code { overflow-wrap: anywhere; word-break: break-word; }
.ring { width: 180px; height: 180px; position: relative; }
.ring svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.ring circle { fill: none; stroke-width: 12; }
.ring .track { stroke: var(--line); }
.ring .bar { stroke: var(--accent); stroke-linecap: round; transition: stroke-dashoffset 1.1s ease-out; }
.ring.mid .bar { stroke: var(--warn); }
.ring.low .bar { stroke: var(--bad); }
.ring .val { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring .val b { font-size: 2.6rem; line-height: 1; letter-spacing: -0.02em; }
.ring .val span { color: var(--muted); font-size: .8rem; margin-top: 4px; }
.ring.sm { width: 120px; height: 120px; }
.ring.sm .val b { font-size: 1.5rem; }
.ring.sm .val span { font-size: .65rem; margin-top: 1px; }
.ring.sm circle { stroke-width: 10; }
.rings { display: flex; gap: 20px; align-items: center; }
.rings .arrow { font-size: 1.5rem; color: var(--muted); }
.domain-line { color: var(--muted); font-size: .95rem; margin-bottom: 4px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.list { list-style: none; padding: 0; margin: 0; }
.list li { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.list li:last-child { border-bottom: 0; }
.tag { display: inline-block; font-size: .75rem; padding: 2px 8px; border-radius: 999px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink-2); white-space: nowrap; text-transform: capitalize; }
.status { flex: 0 0 auto; width: 20px; height: 20px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; color: #fff; margin-top: 2px; }
.status.pass { background: var(--good); }
.status.warn { background: var(--warn); }
.item-main { flex: 1; }
.item-main .detail { color: var(--muted); font-size: .875rem; display: block; }
.points { color: var(--muted); font-size: .875rem; white-space: nowrap; }
.cta-row { margin: 32px 0; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.check-row { display: flex; gap: 8px; align-items: center; padding: 6px 0; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.yes { background: var(--good); } .dot.no { background: var(--bad); } .dot.na { background: #D1D5DB; }

/* questionnaire */
.q-layout { max-width: 720px; margin: 32px auto; }
.q-group { border-top: 1px solid var(--line); padding-top: 24px; margin-top: 24px; }
.q-group h2 { font-size: 1.1rem; color: var(--ink-2); text-transform: uppercase; letter-spacing: .04em; font-size: .8rem; margin-bottom: 18px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.conditional[hidden] { display: none; }

/* preview / download */
.doc-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 32px; align-items: start; margin-top: 32px; }
.doc-col { min-width: 0; }
.buy-panel { position: sticky; top: 16px; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: #fff; }
.buy-panel .price { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; }
.buy-panel .price small { font-size: .95rem; font-weight: 500; color: var(--muted); }
.buy-panel ul { padding-left: 18px; margin: 12px 0 18px; color: var(--ink-2); font-size: .95rem; }
.buy-panel li { margin-bottom: 4px; }
.doc { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 32px; margin-bottom: 28px; background: #fff; overflow-wrap: anywhere; }
.doc h2.doc-title { font-size: 1.6rem; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.doc h3 { font-size: 1.1rem; margin-top: 1.6em; }
.doc table { border-collapse: collapse; width: 100%; font-size: .9rem; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.doc th { background: var(--bg-soft); }
.doc .locked { position: relative; filter: blur(5px); user-select: none; pointer-events: none; max-height: 900px; overflow: hidden; }
.doc .locked::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(255,255,255,0) 40%, #fff 100%); }
.lock-note { text-align: center; color: var(--muted); font-size: .875rem; margin-top: -12px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 20px; overflow-x: auto; }
.tab { background: none; border: 0; border-bottom: 3px solid transparent; padding: 10px 14px; font: inherit; font-weight: 600; color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }
.tabpanel[hidden] { display: none; }
.dl-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 18px; }
.dl-row .btn { padding: 8px 14px; font-size: .9rem; }
pre.snippet { background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; font-size: .8rem; overflow-x: auto; white-space: pre-wrap; word-break: break-all; }
.side-list { list-style: none; padding: 0; margin: 0; }
.side-list li { padding: 8px 0; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 8px; font-size: .95rem; }
.side-list li:last-child { border-bottom: 0; }

/* verify */
.verify-card { display: grid; grid-template-columns: 200px 1fr; gap: 28px; align-items: center; margin-top: 32px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; font-size: .95rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* seo */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq summary { font-weight: 600; cursor: pointer; }
.faq p { margin: 10px 0 0; color: var(--ink-2); }
.prose p { color: var(--ink-2); font-size: 1.05rem; }

/* email-ish / misc */
.spinner { width: 22px; height: 22px; border: 3px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .9s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 800px) {
  .steps, .grid-2, .row-2 { grid-template-columns: 1fr; }
  .results-head, .verify-card { grid-template-columns: 1fr; justify-items: center; text-align: center; }
  .results-head .rings { justify-content: center; }
  .doc-layout { grid-template-columns: 1fr; }
  .buy-panel { position: static; order: -1; }
  .scanform { flex-direction: column; }
  .hero { padding: 40px 0 24px; }
  .doc { padding: 20px 16px; }
  .nav a { margin-left: 12px; font-size: .9rem; }
}
@media (max-width: 520px) {
  .site-header .wrap { height: auto; min-height: 56px; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; gap: 6px 0; }
  .nav a:first-child { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .ring .bar { transition: none; }
  .spinner { animation: none; }
}