:root {
  --bg: #f7f5f0;
  --surface: #ffffff;
  --surface-2: #f1eee6;
  --ink: #0f1d2b;
  --ink-2: #44546a;
  --ink-3: #6b7a8e;
  --line: #e2ddd1;
  --navy: #0b2236;
  --navy-2: #12324d;
  --accent: #0f8f8a;
  --accent-ink: #ffffff;
  --accent-soft: #e3f4f2;
  --brand-wave: #7fe0d6;
  --pass: #1f8a4c; --pass-bg: #e5f5ea;
  --warn: #a86400; --warn-bg: #fdf1dc;
  --fail: #c0362c; --fail-bg: #fde8e6;
  --info: #4d5d73; --info-bg: #eef1f5;
  --gA: #1f8a4c; --gB: #5b9a1e; --gC: #c58a00; --gD: #d4621b; --gF: #c0362c;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(15, 29, 43, .05), 0 6px 24px rgba(15, 29, 43, .06);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1520; --surface: #111e2b; --surface-2: #0e1a26; --ink: #e8eef5; --ink-2: #b2c0cf; --ink-3: #8193a6; --line: #22344a;
    --navy: #07111b; --navy-2: #0d2033; --accent: #2bb5ad; --accent-ink: #04201e; --accent-soft: #10302f;
    --pass: #4cc47e; --pass-bg: #12301f; --warn: #f0b04a; --warn-bg: #33270f; --fail: #ff7a6e; --fail-bg: #3a1714; --info: #a7b6c8; --info-bg: #1a2939;
    --gA: #4cc47e; --gB: #9ccc4a; --gC: #f0b04a; --gD: #f28a4b; --gF: #ff7a6e;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 28px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--bg); line-height: 1.55; font-size: 16px; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; font-weight: 700; color: var(--accent); margin: 0 0 .5rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

/* header */
.site-header { background: var(--navy); color: #fff; position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 800; font-size: 1.15rem; letter-spacing: -.01em; }
.brand-mark { width: 28px; height: 28px; display: block; }
.nav { display: flex; gap: 20px; align-items: center; }
.nav a { color: #cfe0ee; text-decoration: none; font-size: .95rem; }
.nav a:hover { color: #fff; }
.nav-cta { border: 1px solid #2d5a7c; padding: 6px 14px; border-radius: 999px; }

/* hero */
.hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); color: #fff; padding: 64px 0 72px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; left: -10%; right: -10%; bottom: -60px; height: 120px; background: var(--bg); border-radius: 50% 50% 0 0 / 100% 100% 0 0; }
.hero-inner { position: relative; z-index: 1; max-width: 760px; text-align: center; }
.hero .eyebrow { color: var(--brand-wave); }
.hero h1 { font-size: clamp(2rem, 5vw, 3.1rem); font-weight: 800; }
.hl { color: var(--brand-wave); }
.lede { color: #c7d7e6; font-size: 1.1rem; margin: 0 auto 28px; max-width: 640px; }
.scan-form { display: flex; gap: 8px; background: #fff; padding: 6px; border-radius: 14px; max-width: 560px; margin: 0 auto; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.scan-form input { flex: 1; min-width: 0; border: 0; font-size: 1.1rem; padding: 12px 14px; outline: none; color: #0f1d2b; background: transparent; font-family: var(--font); }
.scan-form button, .btn-primary { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 10px; padding: 12px 20px; font-weight: 700; font-size: 1rem; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; font-family: var(--font); }
.scan-form button:hover, .btn-primary:hover { filter: brightness(1.08); }
.scan-form button:disabled { opacity: .7; cursor: progress; }
.scan-form:focus-within { outline: 3px solid var(--brand-wave); outline-offset: 2px; }
.ts-box { display: flex; justify-content: center; margin-top: 10px; }
.ts-box:empty { margin: 0; }
.form-error.hint { color: var(--brand-wave); }
.form-error { color: #ffd1cc; margin: 12px 0 0; font-weight: 600; }
.assure { display: flex; gap: 8px; justify-content: center; align-items: center; color: #9fb6cb; font-size: .9rem; margin: 18px 0 0; }
.assure svg { width: 18px; height: 18px; flex: none; color: var(--brand-wave); }

/* results */
.results { padding: 8px 0 40px; scroll-margin-top: 84px; }
.summary { display: grid; grid-template-columns: auto 1fr; gap: 28px; padding: 28px; align-items: center; margin-top: -24px; position: relative; z-index: 2; }
.grade-wrap { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.grade { width: 116px; height: 116px; border-radius: 26px; display: grid; place-items: center; font-size: 3.6rem; font-weight: 900; color: #fff; background: var(--ink-3); transition: background .4s; }
.grade-pending span { font-size: 2rem; animation: pulse 1.2s ease-in-out infinite; }
.grade-A { background: var(--gA); } .grade-B { background: var(--gB); } .grade-C { background: var(--gC); } .grade-D { background: var(--gD); } .grade-F { background: var(--gF); }
.score-ring { width: 116px; height: 6px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
#score-bar { height: 100%; width: 0; background: var(--accent); transition: width .6s ease; }
.summary h2 { font-size: 1.7rem; word-break: break-all; }
.summary-line { color: var(--ink-2); margin: 0 0 12px; }
.counts { display: flex; gap: 10px; list-style: none; padding: 0; margin: 0 0 16px; flex-wrap: wrap; }
.counts li { padding: 4px 12px; border-radius: 999px; font-size: .9rem; }
.c-fail { background: var(--fail-bg); color: var(--fail); } .c-warn { background: var(--warn-bg); color: var(--warn); } .c-pass { background: var(--pass-bg); color: var(--pass); }
.summary-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-ghost { background: transparent; border: 1px solid var(--line); color: var(--ink); border-radius: 10px; padding: 10px 16px; font-weight: 600; cursor: pointer; font-family: var(--font); font-size: .95rem; }
.btn-ghost:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.btn-ghost:disabled { opacity: .5; cursor: default; }

.priorities { padding: 20px 24px; margin-top: 16px; border-left: 4px solid var(--fail); }
.priorities.soft { border-left-color: var(--warn); }
.priorities h3 { font-size: 1.1rem; }
.priorities ol { margin: 0; padding-left: 1.3em; }
.priorities li { margin: 6px 0; }
.priorities li span { color: var(--ink-2); }

.cats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.cat { padding: 20px 20px 10px; }
.cat header { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.cat h3 { font-size: 1.15rem; margin: 0; }
.cat-icon { color: var(--accent); margin-right: 4px; }
.cat-state { font-size: .85rem; color: var(--ink-3); white-space: nowrap; }
.cat-state.loading::after { content: ""; display: inline-block; width: 10px; height: 10px; margin-left: 6px; border: 2px solid var(--accent); border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -1px; }
.cat-desc { color: var(--ink-3); font-size: .92rem; margin: 4px 0 10px; }
.checks { list-style: none; margin: 0; padding: 0; }
.check { border-top: 1px solid var(--line); }
.check details > summary { list-style: none; display: flex; gap: 12px; padding: 12px 2px; cursor: pointer; align-items: flex-start; }
.check details > summary::-webkit-details-marker { display: none; }
.check summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.check-text { display: flex; flex-direction: column; min-width: 0; }
.check-title { font-weight: 650; }
.check-summary { color: var(--ink-2); font-size: .93rem; }
.pill { flex: none; font-size: .7rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; padding: 3px 8px; border-radius: 6px; margin-top: 2px; min-width: 52px; text-align: center; }
.pill.pass { background: var(--pass-bg); color: var(--pass); } .pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.fail { background: var(--fail-bg); color: var(--fail); } .pill.info { background: var(--info-bg); color: var(--info); }
.check-more { padding: 0 2px 14px 66px; font-size: .92rem; color: var(--ink-2); }
.check-more p { margin: 0 0 8px; }
.check-fix { background: var(--accent-soft); border-radius: 8px; padding: 10px 12px; margin-bottom: 8px; color: var(--ink); }
.check-evidence { font-family: var(--mono); font-size: .8rem; background: var(--surface-2); border-radius: 8px; padding: 10px 12px; margin: 0; white-space: pre-wrap; word-break: break-all; color: var(--ink-2); }
.check.expandable summary::after { content: "▾"; margin-left: auto; color: var(--ink-3); transition: transform .2s; padding-left: 8px; }
.check details[open] summary::after { transform: rotate(180deg); }
.fine { color: var(--ink-3); font-size: .85rem; text-align: center; margin-top: 18px; }

/* help / lead */
.help { padding: 56px 0; background: var(--surface-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.help-inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.help h2 { font-size: 2rem; }
.ticks { list-style: none; padding: 0; margin: 16px 0 0; }
.ticks li { padding-left: 30px; position: relative; margin: 0 0 14px; color: var(--ink-2); }
.ticks li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-size: .75rem; display: grid; place-items: center; font-weight: 800; }
.ticks strong { color: var(--ink); }
.lead-form { padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.lead-form fieldset { border: 0; padding: 0; margin: 0; }
.lead-form legend { font-weight: 700; margin-bottom: 8px; }
.choices { display: flex; gap: 8px; flex-wrap: wrap; }
.lead-form .choices label { flex-direction: row; font-weight: 600; color: var(--ink); }
.choices label { border: 1px solid var(--line); border-radius: 999px; padding: 7px 14px; cursor: pointer; font-size: .92rem; display: flex; gap: 6px; align-items: center; }
.choices label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lead-form label { display: flex; flex-direction: column; gap: 4px; font-size: .9rem; font-weight: 600; color: var(--ink-2); }
.lead-form input:not([type=radio]):not([type=checkbox]), .lead-form textarea { font: inherit; font-weight: 400; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 9px; padding: 10px 12px; }
.lead-form input:focus, .lead-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.lead-form .consent { flex-direction: row; align-items: flex-start; gap: 8px; font-weight: 400; }
.consent input { margin-top: 4px; }
.req { color: var(--fail); }
.hp { position: absolute !important; left: -9999px; }
.wide { width: 100%; padding: 14px; }
.lead-msg { margin: 0; padding: 10px 12px; border-radius: 8px; font-weight: 600; }
.lead-msg.ok { background: var(--pass-bg); color: var(--pass); } .lead-msg.err { background: var(--fail-bg); color: var(--fail); }

/* how */
.how { padding: 56px 0; }
.how h2 { font-size: 2rem; text-align: center; margin-bottom: 28px; }
.how-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.how-grid h3 { font-size: 1.05rem; color: var(--accent); }
.how-grid p { color: var(--ink-2); font-size: .95rem; margin: 0; }
.faq { max-width: 760px; margin: 36px auto 0; }
.faq details { border-bottom: 1px solid var(--line); padding: 12px 0; }
.faq summary { font-weight: 650; cursor: pointer; }
.faq p { color: var(--ink-2); margin: 8px 0 0; }

.site-footer { background: var(--navy); color: #9fb6cb; padding: 22px 0; font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.site-footer a { color: #cfe0ee; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 50% { opacity: .35; } }

@media (max-width: 860px) {
  .cats, .help-inner { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .nav a:not(.nav-cta) { display: none; }
  .hero { padding: 44px 0 64px; }
  .scan-form { flex-direction: column; }
  .summary { grid-template-columns: 1fr; text-align: center; padding: 22px 18px; }
  .counts, .summary-actions { justify-content: center; }
  .grid2, .how-grid { grid-template-columns: 1fr; }
  .check-more { padding-left: 2px; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }

@media print {
  :root { --bg: #fff; --surface: #fff; }
  .site-header, .hero, .help, .how, .site-footer, .summary-actions, .check.expandable summary::after { display: none !important; }
  .results { padding: 0; }
  .summary { margin-top: 0; box-shadow: none; }
  .card { box-shadow: none; break-inside: avoid; }
  .cats { grid-template-columns: 1fr; }
  .check-more { display: block !important; }
  body { font-size: 12px; }
}