:root {
  color-scheme: light dark;
  --paper: #fbfbfc;
  --soft: #f0f1f3;
  --ink: #111216;
  --muted: #565b65;
  --rule: #d5d8de;
  --accent: #d90029;
  --cta: #c90026;
  --cta-hover: #a80020;
  --max: 1280px;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.5; }
a { color: inherit; text-underline-offset: .2em; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.shell { width: min(calc(100% - 2rem), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 10; padding: .75rem 1rem; background: var(--ink); color: var(--paper); }
.skip-link:focus { top: 1rem; }
.masthead { min-height: 72px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--rule); }
.wordmark { font-weight: 750; letter-spacing: -.03em; text-decoration: none; }
.masthead nav, .footer nav { display: flex; flex-wrap: wrap; gap: clamp(1rem, 3vw, 2.5rem); font-size: .9rem; }
.masthead nav a, .footer nav a { text-decoration: none; }
.hero { min-height: 680px; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(360px, .75fr); gap: clamp(3rem, 8vw, 8rem); align-items: center; padding-block: 5rem; }
.hero-copy { max-width: 790px; }
.eyebrow, .product-type { margin: 0 0 1.25rem; color: var(--accent); font-size: .75rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; }
h1, h2, h3, p { max-width: 68ch; }
h1 { margin: 0; font-size: clamp(3rem, 6vw, 6.2rem); font-weight: 500; line-height: .95; letter-spacing: -.065em; }
.lede { margin: 2rem 0 0; max-width: 650px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.35rem); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }
.button { min-height: 50px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--accent); padding: .85rem 1.2rem; font-weight: 750; text-decoration: none; white-space: nowrap; }
.button.primary { background: var(--cta); color: #f8f8fa; }
.button.primary:hover { background: var(--cta-hover); color: #f8f8fa; }
.button.secondary { background: var(--paper); color: var(--accent); }
.button:active { transform: translateY(1px); }
.signal-sheet { margin: 0; border: 1px solid var(--ink); background: var(--paper); }
.signal-sheet figcaption { min-height: 94px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.25rem; border-bottom: 3px solid var(--accent); }
.signal-sheet figcaption span { color: var(--muted); font-size: .78rem; }
.signal-sheet figcaption strong { font-size: 1.55rem; font-weight: 500; }
.signal-row { display: grid; grid-template-columns: 64px 1fr auto; gap: 1rem; align-items: center; min-height: 76px; padding: 1rem 1.25rem; border-bottom: 1px solid var(--rule); font-size: .86rem; }
.signal-row span { color: var(--muted); font-variant-numeric: tabular-nums; }
.signal-row strong { font-weight: 650; }
.signal-row a { color: var(--accent); font-weight: 750; }
.signal-sheet > p { margin: 0; padding: 1rem 1.25rem; color: var(--muted); font-size: .78rem; }
.proof-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--rule); background: var(--soft); }
.proof-strip div { min-height: 122px; display: flex; flex-direction: column; justify-content: space-between; padding: 1.4rem clamp(1rem, 3vw, 2.5rem); border-right: 1px solid var(--rule); }
.proof-strip div:last-child { border-right: 0; }
.proof-strip span { color: var(--muted); font-size: .74rem; letter-spacing: .07em; text-transform: uppercase; }
.proof-strip strong { font-size: clamp(1.1rem, 2vw, 1.55rem); font-weight: 500; }
.section { padding-block: 7rem; }
.section + .section { border-top: 1px solid var(--rule); }
.section-copy { max-width: 780px; }
.section-copy h2 { margin: 0; font-size: clamp(2.5rem, 5vw, 5rem); font-weight: 500; line-height: .98; letter-spacing: -.055em; }
.section-copy p { margin: 1.5rem 0 0; color: var(--muted); font-size: 1.08rem; }
.product-feature { margin-top: 4rem; display: grid; grid-template-columns: 1.3fr .8fr auto; gap: 3rem; align-items: end; padding: 2rem 0; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule); }
.product-feature h3 { margin: 0; font-size: clamp(2rem, 3.5vw, 3.6rem); font-weight: 500; letter-spacing: -.045em; }
.product-feature > div > p:last-child { color: var(--muted); }
.product-feature dl { margin: 0; display: grid; gap: 1rem; }
.product-feature dl div { display: grid; grid-template-columns: 110px 1fr; gap: 1rem; }
.product-feature dt { color: var(--muted); font-size: .82rem; }
.product-feature dd { margin: 0; font-weight: 650; }
.text-link { color: var(--accent); font-weight: 750; white-space: nowrap; }
.standard { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 8vw, 8rem); }
.standard-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 2px solid var(--ink); }
.standard-grid article { min-height: 200px; padding: 1.5rem 1.5rem 1.5rem 0; border-bottom: 1px solid var(--rule); }
.standard-grid article:nth-child(odd) { padding-right: 2rem; }
.standard-grid article:nth-child(even) { padding-left: 2rem; border-left: 1px solid var(--rule); }
.standard-grid h3 { margin: 0; font-size: 1.25rem; }
.standard-grid p { color: var(--muted); }
.footer { display: flex; justify-content: space-between; gap: 3rem; padding-block: 3rem; border-top: 1px solid var(--rule); }
.footer p { margin: .35rem 0 0; color: var(--muted); font-size: .86rem; }

.legal-main { padding-block: 5rem 8rem; }
.legal-main header { max-width: 760px; margin-bottom: 4rem; }
.legal-main h1 { font-size: clamp(3rem, 7vw, 6rem); }
.legal-main .updated { color: var(--muted); }
.legal-copy { max-width: 780px; }
.legal-copy h2 { margin: 3rem 0 .75rem; font-size: 1.5rem; }
.legal-copy p, .legal-copy li { color: var(--muted); }

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111216;
    --soft: #1a1c21;
    --ink: #f3f4f6;
    --muted: #b8bdc7;
    --rule: #363a43;
    --accent: #ff4667;
    --cta: #c90026;
    --cta-hover: #a80020;
  }
}

@media (max-width: 820px) {
  .masthead { align-items: flex-start; flex-direction: column; justify-content: center; gap: .6rem; padding-block: 1rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 3rem; padding-block: 4rem; }
  h1 { font-size: clamp(3rem, 14vw, 5rem); }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip div:nth-child(2) { border-right: 0; }
  .product-feature { grid-template-columns: 1fr; gap: 2rem; align-items: start; }
  .standard { grid-template-columns: 1fr; }
  .standard-grid { grid-template-columns: 1fr; }
  .standard-grid article:nth-child(even) { padding-left: 0; border-left: 0; }
  .footer { flex-direction: column; }
}

@media (max-width: 520px) {
  .masthead nav { gap: .9rem; font-size: .82rem; }
  .actions .button { width: 100%; }
  .signal-row { grid-template-columns: 54px 1fr; }
  .signal-row a { grid-column: 2; }
  .proof-strip { grid-template-columns: 1fr; }
  .proof-strip div { border-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}
