/* Single-product landing page — shared layout and legibility type system.
   Each site sets its own palette and fonts in a <style> block on :root.
   Type rules for readers 45–70: 19px body at 400, line height 1.6, small text >= 15px,
   caps labels >= 14px, text contrast >= 7:1, display serif only at large sizes. */

:root {
  --bg: #fbf9f5;
  --bg-alt: #f2ece2;
  --ink: #1d1a1c;
  --ink-soft: #4b4448;
  --muted: #4f4a4d;      /* fine print: 7:1+ on light backgrounds */
  --label: #5c4a2e;      /* eyebrow labels */
  --dark-soft: #d6cfca;  /* secondary text on dark sections: solid, 10:1+ */
  --hero-row: #f1ebe5;   /* highlighted comparison row */
  --line: #ded5c8;
  --accent: #8e2b2b;
  --accent-deep: #5e1a1c;
  --gold: #b89a67;
  --dark: #1b1517;
  --dark-ink: #efe8e2;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Source Sans 3", "Helvetica Neue", Arial, sans-serif;
  --h3: var(--serif);    /* small headings: themes with hairline display serifs switch this to the sans */
  --max: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 19px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.1; margin: 0 0 .5em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.8rem); }
h2 { font-size: clamp(2rem, 3.8vw, 3.1rem); }
h3 { font-size: 1.5rem; font-family: var(--h3); font-weight: 500; }
p { margin: 0 0 1em; }
em { font-family: var(--serif); }
.wrap { max-width: var(--max); margin: 0 auto; padding-left: 28px; padding-right: 28px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.center .lede, .center .narrow { margin-left: auto; margin-right: auto; }
.eyebrow { display: block; font-size: .875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--label); margin-bottom: 1rem; font-weight: 600; }
.dark .eyebrow { color: var(--gold); }
.lede { font-size: 1.18rem; color: var(--ink-soft); max-width: 640px; }
section { padding: 104px 0; }
.alt { background: var(--bg-alt); }
.dark { background: var(--dark); color: var(--dark-ink); }
.dark .lede, .dark p { color: var(--dark-soft); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  padding: 17px 34px; border: 1px solid var(--accent); background: var(--accent); color: #fff;
  text-decoration: none; text-transform: uppercase; letter-spacing: 0.12em; font-size: .875rem; font-weight: 600;
  transition: background .25s, color .25s; cursor: pointer; font-family: var(--sans);
}
.btn:hover { background: var(--accent-deep); border-color: var(--accent-deep); }
.btn--ghost { background: transparent; color: var(--accent); }
.btn--ghost:hover { color: #fff; }
.btn--light { background: var(--dark-ink); color: var(--dark); border-color: var(--dark-ink); }
.btn--light:hover { background: transparent; color: var(--dark-ink); border-color: var(--dark-ink); }
.note { font-size: 0.94rem; color: var(--muted); line-height: 1.55; }
.dark .note { color: var(--dark-soft); }
.note a { text-decoration: underline; }

/* Top bar */
.top { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 94%, transparent); position: sticky; top: 0; z-index: 40; backdrop-filter: blur(8px); }
.top__in { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }
.brand { font-family: var(--serif); font-size: 1.45rem; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none; line-height: 1; }
.brand small { display: block; font-family: var(--sans); font-size: 0.94rem; font-weight: 600; letter-spacing: .26em; color: var(--muted); margin-top: 5px; }
.top nav { display: flex; gap: 26px; font-size: 0.875rem; letter-spacing: 0.16em; text-transform: uppercase; }
.top nav a { text-decoration: none; }
.top nav a:hover { color: var(--accent); }
.top .btn { padding: 11px 20px; font-size: 0.94rem; }
.disclose-bar { background: var(--dark); color: var(--dark-soft); font-size: 0.94rem; text-align: center; padding: 8px 16px; letter-spacing: .04em; }
.disclose-bar a { color: var(--dark-ink); }

/* Hero */
.hero { padding: 70px 0 90px; position: relative; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero__price { display: flex; align-items: baseline; gap: 14px; margin: 1.6rem 0 .6rem; flex-wrap: wrap; }
.hero__price b { font-family: var(--serif); font-weight: 400; font-size: 2.1rem; }
.hero__price s { color: var(--muted); }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 1.4rem 0 1rem; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 1.4rem; }
.chip { border: 1px solid var(--line); padding: 7px 13px; font-weight: 600; font-size: 0.875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); }
.visual { position: relative; aspect-ratio: 1 / 1.05; }

/* Stat row */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 30px 22px; text-align: center; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat b { display: block; font-family: var(--serif); font-weight: 400; font-size: 2.2rem; color: var(--accent); line-height: 1.1; }
.stat span { font-weight: 600; font-size: 0.875rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

/* Generic grids */
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.panel { background: var(--bg); border: 1px solid var(--line); padding: 34px 30px; }
.alt .panel { background: var(--bg); }
.dark .panel { background: transparent; border-color: color-mix(in srgb, var(--dark-ink) 18%, transparent); }
.panel h3 { margin-top: 10px; }
.num { font-family: var(--serif); font-size: 2.6rem; color: var(--gold); line-height: 1; }

/* Timeline */
.timeline { list-style: none; padding: 0; margin: 46px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 1px solid var(--line); }
.timeline li { padding: 26px 22px 0 0; position: relative; }
.timeline li::before { content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; border-radius: 50%; background: var(--accent); }
.timeline b { display: block; font-family: var(--serif); font-weight: 400; font-size: 1.5rem; margin-bottom: 6px; }
.timeline p { font-size: .95rem; color: var(--ink-soft); }

/* Fit lists */
.fit { list-style: none; padding: 0; margin: 0; }
.fit li { padding: 14px 0 14px 34px; border-top: 1px solid var(--line); position: relative; }
.dark .fit li { border-color: color-mix(in srgb, var(--dark-ink) 16%, transparent); }
.fit li::before { position: absolute; left: 0; top: 13px; font-family: var(--serif); font-size: 1.2rem; }
.fit--yes li::before { content: "✓"; color: var(--gold); }
.fit--no li::before { content: "—"; color: var(--muted); }

/* Comparison table */
.table-wrap { overflow-x: auto; margin-top: 40px; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 0.94rem; min-width: 680px; background: var(--bg); }
th, td { padding: 15px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; font-size: 0.875rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); background: var(--bg-alt); }
tr.is-hero td { background: var(--hero-row); font-weight: 600; }
tr.is-hero td:first-child { font-weight: 400; color: var(--accent); }

/* Evidence */
.evidence { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 44px; }
.ev { border-left: 2px solid var(--gold); padding: 4px 0 4px 22px; }
.ev h3 { font-size: 1.3rem; }
.ev p { font-size: .96rem; color: var(--ink-soft); }
.dark .ev p { color: var(--dark-soft); }
.grade { display: inline-block; border: 1px solid var(--gold); color: var(--gold); padding: 6px 14px; font-size: 0.875rem; letter-spacing: 0.16em; text-transform: uppercase; }

/* FAQ */
.faq { max-width: 820px; margin: 44px auto 0; }
.faq details { border-top: 1px solid var(--line); padding: 4px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-family: var(--h3); font-size: 1.3rem; font-weight: 500; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 1.6rem; color: var(--gold); transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--ink-soft); padding-bottom: 14px; }

/* Final CTA */
.cta-box { border: 1px solid color-mix(in srgb, var(--dark-ink) 25%, transparent); padding: 56px 40px; text-align: center; max-width: 820px; margin: 0 auto; }

/* Form */
.form { display: grid; gap: 14px; text-align: left; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form label { font-weight: 600; font-size: 0.875rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); display: grid; gap: 7px; }
.dark .form label { color: var(--dark-soft); }
.form input, .form select, .form textarea {
  font: 400 1.05rem var(--sans); letter-spacing: 0; text-transform: none; color: var(--ink);
  padding: 13px 15px; border: 1px solid var(--line); background: var(--bg); width: 100%;
}
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--gold); outline-offset: -1px; }
.form .check { display: flex; gap: 10px; align-items: flex-start; text-transform: none; letter-spacing: 0; font-size: 0.94rem; }
.form .check input { width: auto; margin-top: 4px; }

/* Footer */
.foot { background: var(--dark); color: var(--dark-soft); padding: 60px 0 40px; font-size: 0.94rem; }
.foot p { max-width: 900px; }
.foot strong { color: var(--dark-ink); font-weight: 400; }
.foot a { color: var(--dark-ink); }

/* Sticky mobile CTA */
.sticky-cta { display: none; }

.toast { position: fixed; left: 50%; bottom: 90px; transform: translate(-50%, 20px); opacity: 0; transition: .3s; background: var(--dark); color: var(--dark-ink); padding: 14px 22px; font-size: 0.94rem; z-index: 90; pointer-events: none; max-width: calc(100% - 32px); }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

.reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s, transform .7s; }
.reveal.is-in { opacity: 1; transform: none; }

@media (max-width: 960px) {
  .hero__grid, .two { grid-template-columns: 1fr; gap: 44px; }
  .visual { max-width: 460px; margin: 0 auto; width: 100%; }
  .three, .evidence { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .timeline { grid-template-columns: 1fr 1fr; row-gap: 30px; }
  .top nav { display: none; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding-left: 16px; padding-right: 16px; }
  section { padding: 72px 0; }
  .hero { padding: 40px 0 64px; }
  .timeline { grid-template-columns: 1fr; }
  .form .row { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; }
  .top .btn { display: none; }
  .cta-box { padding: 40px 20px; }
  .sticky-cta {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60; gap: 10px; align-items: center;
    background: var(--bg); border-top: 1px solid var(--line); padding: 10px 16px;
  }
  .sticky-cta .btn { flex: 1; padding: 14px 10px; }
  .sticky-cta span { font-family: var(--serif); font-size: 1.3rem; }
  body { padding-bottom: 70px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}