:root {
  --paper: #f4efe4;
  --paper-2: #ebe4d4;
  --ink: #16130f;
  --ink-2: #4a4339;
  --rule: #16130f;
  --hl: #ffd84a;
  --red: #c8321e;
  --amber: #a5620c;
  --green: #1f7a3a;
  --serif: "Libre Caslon Text", "Iowan Old Style", Palatino, Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #15130f;
    --paper-2: #1f1c17;
    --ink: #efe9dc;
    --ink-2: #b4ab9b;
    --rule: #efe9dc;
    --hl: #e5b900;
    --red: #ff6a4d;
    --amber: #f0a43a;
    --green: #5cc27a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 var(--sans);
}
a { color: inherit; text-underline-offset: 3px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 700; line-height: 1.12; margin: 0 0 .5em; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.15rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
mark { background: var(--hl); color: #16130f; padding: 0 .15em; }

.top {
  display: flex; justify-content: space-between; align-items: center;
  max-width: 960px; margin: 0 auto; padding: 20px 16px;
  border-bottom: 2px solid var(--rule);
  font-family: var(--mono); font-size: .9rem;
}
.brand { font-family: var(--serif); font-weight: 700; font-size: 1.35rem; text-decoration: none; }
.brand span { background: var(--hl); color: #16130f; padding: 0 .2em; margin-left: .1em; }
.top-link { text-decoration: none; border-bottom: 2px solid currentColor; }

main { max-width: 960px; margin: 0 auto; padding: 0 16px; }
section { padding: 48px 0; border-bottom: 2px solid var(--rule); }
.label, .form-note, .hint, .meta, .cat-note, .f-head, dt { font-family: var(--mono); font-size: .82rem; color: var(--ink-2); }

/* Hero */
.hero h1 { font-size: clamp(2.4rem, 7vw, 4.6rem); max-width: 14ch; margin-top: .2em; }
.hero .lede { font-size: 1.2rem; max-width: 40rem; color: var(--ink-2); }

/* Scan form */
.scan-form { display: flex; gap: 0; margin-top: 28px; max-width: 640px; border: 2px solid var(--rule); background: var(--paper); }
.scan-form input {
  flex: 1; min-width: 0; border: 0; padding: 16px; font: 1.1rem var(--mono);
  background: transparent; color: var(--ink);
}
.scan-form input:focus { outline: 3px solid var(--hl); outline-offset: -3px; }
.scan-form button {
  border: 0; border-left: 2px solid var(--rule); padding: 0 24px; cursor: pointer;
  font: 700 1rem var(--mono); background: var(--ink); color: var(--paper);
}
.scan-form button:hover, .scan-form button:focus-visible { background: var(--hl); color: #16130f; }
.scan-form[aria-busy="true"] button { opacity: .6; cursor: progress; }
.form-error { color: var(--red); font-family: var(--mono); font-size: .9rem; }

/* Landing sections */
.checks { list-style: none; padding: 0; margin: 0; counter-reset: c; }
.checks li { display: grid; grid-template-columns: 3rem 1fr; gap: 0 12px; padding: 18px 0; border-top: 1px solid var(--ink-2); counter-increment: c; }
.checks li::before { content: counter(c, decimal-leading-zero); font: 700 1.4rem var(--mono); grid-row: span 2; }
.checks h3 { margin: 0 0 4px; }
.checks p { margin: 0; color: var(--ink-2); }
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 20px; }
.compare figure { margin: 0; border: 2px solid var(--rule); }
.compare figcaption { font: .8rem var(--mono); padding: 8px 12px; border-bottom: 2px solid var(--rule); background: var(--paper-2); }
.compare pre { margin: 0; padding: 14px; font: .82rem/1.5 var(--mono); white-space: pre-wrap; word-break: break-word; }
.faq dt { font: 700 1.1rem var(--serif); color: var(--ink); margin-top: 22px; }
.faq dd { margin: 6px 0 0; color: var(--ink-2); max-width: 44rem; }

/* Report */
.score-card { padding-top: 36px; }
.score-row { display: flex; align-items: flex-end; gap: 28px; flex-wrap: wrap; }
.score { display: flex; align-items: baseline; font-family: var(--serif); font-weight: 700; line-height: .9; }
.score .num { font-size: clamp(6rem, 22vw, 11rem); }
.score .pct { font-size: clamp(3rem, 10vw, 5rem); }
.score .word { font-size: clamp(2rem, 7vw, 3.4rem); background: var(--hl); color: #16130f; padding: 0 .2em; margin-left: .25em; }
.grade { font: 700 3rem/1 var(--mono); border: 4px solid currentColor; padding: 8px 16px; transform: rotate(-4deg); margin-bottom: 10px; }
.grade-A, .grade-B { color: var(--green); }
.grade-C { color: var(--amber); }
.grade-D, .grade-F { color: var(--red); }
.verdict { font: 700 clamp(1.4rem, 4vw, 2rem)/1.2 var(--serif); margin: 18px 0 24px; }
.error .verdict { color: var(--red); }
.cats { list-style: none; padding: 0; margin: 0 0 28px; max-width: 640px; }
.cat { display: grid; grid-template-columns: 1fr 120px 3rem; gap: 4px 12px; align-items: center; padding: 8px 0; border-top: 1px solid var(--ink-2); }
.cat-name { font-weight: 600; }
.bar { height: 12px; border: 2px solid var(--rule); display: block; }
.bar span { display: block; height: 100%; background: var(--ink); }
.cat-val { font: 700 1rem var(--mono); text-align: right; }
.cat-note { grid-column: 1 / -1; }
.cat.skipped .cat-name { color: var(--ink-2); }
.share { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-block; border: 2px solid var(--rule); background: transparent; color: var(--ink);
  padding: 10px 14px; font: 600 .9rem var(--mono); text-decoration: none; cursor: pointer;
}
.btn:hover, .btn:focus-visible { background: var(--hl); color: #16130f; }
.btn.primary { background: var(--ink); color: var(--paper); }
.raw dl { display: grid; grid-template-columns: 11rem 1fr; gap: 8px 16px; margin: 0; }
.raw dd { margin: 0; overflow-wrap: anywhere; }
.fixes-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.findings { list-style: none; padding: 0; margin: 20px 0 0; }
.finding { border: 2px solid var(--rule); border-left-width: 10px; padding: 16px 18px; margin-bottom: 14px; background: var(--paper); }
.finding.sev-high { border-left-color: var(--red); }
.finding.sev-medium { border-left-color: var(--amber); }
.finding.sev-low { border-left-color: var(--ink-2); }
.f-head { display: flex; gap: 12px; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 6px; }
.sev-high .sev { color: var(--red); font-weight: 700; }
.sev-medium .sev { color: var(--amber); font-weight: 700; }
.f-pts { margin-left: auto; }
.finding p { margin: 0 0 10px; color: var(--ink-2); }
details summary { cursor: pointer; font: 600 .9rem var(--mono); }
.prompt {
  white-space: pre-wrap; word-break: break-word; background: var(--paper-2); border: 1px dashed var(--ink-2);
  padding: 12px; font: .85rem/1.5 var(--mono); margin: 10px 0;
}
.meta { padding: 20px 0 40px; }
.foot { max-width: 960px; margin: 0 auto; padding: 24px 16px 48px; font: .8rem var(--mono); color: var(--ink-2); }

@media (max-width: 640px) {
  .compare { grid-template-columns: 1fr; }
  .scan-form { flex-direction: column; }
  .scan-form button { border-left: 0; border-top: 2px solid var(--rule); padding: 14px; }
  .raw dl { grid-template-columns: 1fr; }
  .raw dd { margin-bottom: 10px; }
  .cat { grid-template-columns: 1fr 80px 2.5rem; }
}