/* Recall site — no external requests, no trackers. */
:root {
  --bg: #fbfaf8;
  --surface: #ffffff;
  --surface-2: #f4f2ee;
  --text: #1c1917;
  --muted: #57534e;
  --faint: #a8a29e;
  --border: #e7e5e4;
  --accent: #128672;
  --accent-strong: #126b5d;
  --accent-soft: #d5f5ee;
  --accent-ink: #103e37;
  --mark: #fde68a;
  --shadow: 0 1px 2px rgba(28, 25, 23, 0.04), 0 12px 32px rgba(16, 62, 55, 0.08);
  --radius: 16px;
  --max: 1120px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f0e0d;
    --surface: #1a1816;
    --surface-2: #23201d;
    --text: #f5f5f4;
    --muted: #b8b2ac;
    --faint: #78716c;
    --border: #2e2a27;
    --accent: #3fc2a6;
    --accent-strong: #6fd6bf;
    --accent-soft: rgba(63, 194, 166, 0.14);
    --accent-ink: #d5f5ee;
    --mark: rgba(251, 191, 36, 0.32);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 16px 40px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-strong); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
img, svg { display: block; max-width: 100%; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* header */
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; letter-spacing: -0.01em; color: var(--text); text-decoration: none; }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--text); }
.nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: #fff; }
@media (prefers-color-scheme: dark) { .nav-links a.btn-primary, .nav-links a.btn-primary:hover { color: #0f0e0d; } }
@media (max-width: 640px) { .nav-links .hide-sm { display: none; } }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid transparent; transition: background .15s, border-color .15s, transform .15s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-strong); }
@media (prefers-color-scheme: dark) { .btn-primary { color: #0f0e0d; } }
.btn-ghost { color: var(--text); border-color: var(--border); background: var(--surface); }
.btn-ghost:hover { border-color: var(--faint); }
.btn-sm { padding: 8px 14px; font-size: 14px; border-radius: 10px; }

/* hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding-top: 56px; padding-bottom: 88px; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; gap: 40px; padding-top: 24px; padding-bottom: 64px; } }
.eyebrow { display: inline-flex; gap: 8px; align-items: center; font-size: 14px; font-weight: 600; color: var(--accent-strong); background: var(--accent-soft); padding: 6px 12px; border-radius: 999px; }
h1 { font-size: clamp(38px, 5.6vw, 62px); line-height: 1.04; letter-spacing: -0.035em; margin: 20px 0 18px; font-weight: 750; }
h1 em { font-style: normal; color: var(--accent); }
.lede { font-size: 20px; color: var(--muted); max-width: 34em; margin: 0 0 30px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.cta-note { font-size: 14px; color: var(--faint); margin-top: 14px; }

/* product mock */
.mock { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow); padding: 18px; }
.mock-bar { display: flex; gap: 6px; margin-bottom: 14px; }
.mock-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.query { display: flex; align-items: center; gap: 10px; border: 1.5px solid var(--accent); border-radius: 12px; padding: 12px 14px; box-shadow: 0 0 0 4px var(--accent-soft); font-size: 16px; min-height: 50px; }
.query .caret { display: inline-block; width: 2px; height: 1.1em; background: var(--accent); vertical-align: text-bottom; margin-left: 1px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.meta-line { font-size: 12px; color: var(--faint); margin: 12px 2px 8px; }
.result { border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; margin-top: 10px; background: var(--surface); transition: opacity .3s, transform .3s; }
.result .t { font-weight: 650; font-size: 15px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.result .d { font-size: 12.5px; color: var(--faint); }
.result p { margin: 6px 0 0; font-size: 13.5px; line-height: 1.55; color: var(--muted); }
.badge { font-size: 11px; font-weight: 650; padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent-strong); }
.badge.alt { background: rgba(14, 165, 233, .12); color: #0369a1; }
@media (prefers-color-scheme: dark) { .badge.alt { color: #7dd3fc; } }
mark { background: var(--mark); color: inherit; border-radius: 3px; padding: 0 2px; }
.fade { opacity: .55; }

/* sections */
section { padding: 80px 0; }
.section-head { max-width: 680px; margin-bottom: 44px; }
h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.12; letter-spacing: -0.025em; margin: 0 0 14px; font-weight: 720; }
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }
.alt-bg { background: var(--surface-2); }

.examples { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 10px 16px; font-size: 15px; color: var(--text); }
.chip::before { content: "“"; color: var(--faint); }
.chip::after { content: "”"; color: var(--faint); }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .grid3 { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.card h3 { margin: 14px 0 8px; font-size: 19px; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.step-n { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); font-weight: 700; }
.ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-strong); }

.privacy { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 860px) { .privacy { grid-template-columns: 1fr; gap: 28px; } }
.checks { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.checks li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; align-items: start; }
.checks svg { color: var(--accent); margin-top: 3px; }
.checks b { display: block; }
.checks span { color: var(--muted); font-size: 16px; }
.flow { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.flow-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--border); font-size: 15.5px; }
.flow-row:last-child { border-bottom: 0; }
.flow-row .k { flex: 1; color: var(--muted); }
.yes { color: var(--accent-strong); font-weight: 650; }
.no { color: #b91c1c; font-weight: 650; }
@media (prefers-color-scheme: dark) { .no { color: #fca5a5; } }

details { border-bottom: 1px solid var(--border); padding: 18px 0; }
details summary { cursor: pointer; font-weight: 620; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: "+"; color: var(--faint); font-weight: 400; font-size: 22px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 10px 0 0; max-width: 46em; }

.final { text-align: center; padding: 96px 0; }
.final p { color: var(--muted); font-size: 19px; margin: 0 auto 28px; max-width: 32em; }

footer { border-top: 1px solid var(--border); padding: 32px 0 48px; color: var(--faint); font-size: 14px; }
footer .row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer a { color: var(--muted); text-decoration: none; margin-right: 20px; }
footer a:hover { color: var(--text); }

/* legal page */
.legal { max-width: 760px; padding-top: 40px; padding-bottom: 80px; }
.legal h1 { font-size: clamp(34px, 4.5vw, 46px); }
.legal h2 { font-size: 24px; margin: 44px 0 10px; }
.legal h3 { font-size: 18px; margin: 26px 0 6px; }
.legal p, .legal li { color: var(--muted); }
.legal strong { color: var(--text); }
.legal table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
.legal th, .legal td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.legal th { color: var(--text); font-weight: 650; background: var(--surface-2); }
.callout { background: var(--accent-soft); border-radius: 14px; padding: 18px 20px; color: var(--accent-ink); }
.callout p { color: var(--accent-ink); margin: 0; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .query .caret { animation: none; }
  .result { transition: none; }
}