:root {
  --ink: #111111;
  --grey: #666666;
  --line: #e2e2e2;
  --maxw: 720px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.65;
  font-size: 17px;
  letter-spacing: -0.01em;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

a { color: var(--ink); text-decoration-color: var(--line); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--ink); }

/* ---------- Header ---------- */
.site-header { border-bottom: 1px solid var(--line); }
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0; flex-wrap: wrap; gap: 14px;
}
.brand { font-weight: 600; text-decoration: none; font-size: 17px; letter-spacing: -0.02em; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { text-decoration: none; font-size: 15px; color: var(--grey); }
.nav-links a:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 64px; border-bottom: 1px solid var(--line); }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 12px;
  font-weight: 600; color: var(--grey); margin: 0 0 22px;
}
.hero h1 {
  font-size: clamp(38px, 7vw, 60px); line-height: 1.04; font-weight: 600;
  letter-spacing: -0.035em; margin: 0 0 22px; max-width: 14ch;
}
.hero .lead { font-size: 20px; color: var(--grey); max-width: 46ch; margin: 0 0 30px; }

/* ---------- Sections ---------- */
main section { padding: 64px 0; border-bottom: 1px solid var(--line); }
main section:last-child { border-bottom: none; }
.section-label {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 12px;
  font-weight: 600; color: var(--grey); margin: 0 0 28px;
}
h2 { font-size: 26px; font-weight: 600; letter-spacing: -0.025em; margin: 0 0 14px; line-height: 1.15; }
h3 { font-size: 17px; font-weight: 600; margin: 0 0 4px; }
p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }
.muted { color: var(--grey); }

/* ---------- Steps ---------- */
.steps { list-style: none; counter-reset: s; margin: 0; padding: 0; }
.steps li {
  counter-increment: s; display: grid; grid-template-columns: 40px 1fr; gap: 18px;
  padding: 22px 0; border-top: 1px solid var(--line);
}
.steps li:first-child { border-top: none; padding-top: 0; }
.steps li::before {
  content: counter(s, decimal-leading-zero);
  font-variant-numeric: tabular-nums; font-size: 15px; color: var(--grey); padding-top: 2px;
}
.steps h3 { margin: 0 0 4px; }
.steps p { margin: 0; color: var(--grey); }

/* ---------- Feature list ---------- */
.feature-list { list-style: none; margin: 0; padding: 0; }
.feature-list li { padding: 16px 0; border-top: 1px solid var(--line); color: var(--grey); }
.feature-list li:first-child { border-top: none; padding-top: 0; }
.feature-list strong { color: var(--ink); font-weight: 600; }

/* ---------- CTA text link ---------- */
.cta { display: inline-block; font-weight: 600; text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.cta:hover { color: var(--grey); border-color: var(--grey); }

/* ---------- Article (privacy / terms) ---------- */
.article { padding: 72px 0 96px; }
.article h1 { font-size: clamp(30px, 5vw, 40px); font-weight: 600; letter-spacing: -0.03em; margin: 0 0 6px; }
.article .updated { color: var(--grey); font-size: 15px; margin: 0 0 36px; }
.article h2 { font-size: 19px; margin-top: 38px; }
.article ul { padding-left: 20px; }
.article li { margin: 7px 0; }

/* ---------- FAQ ---------- */
.faq { margin-top: 8px; }
.faq details { border-top: 1px solid var(--line); padding: 18px 0; }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--grey); font-weight: 400; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 14px 0 0; color: var(--grey); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 36px 0; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; margin-bottom: 12px; }
.footer-links a { text-decoration: none; font-size: 15px; color: var(--grey); }
.footer-links a:hover { color: var(--ink); }
.copyright { color: var(--grey); font-size: 14px; margin: 0; }

@media (max-width: 600px) {
  main section { padding: 48px 0; }
  .hero { padding: 56px 0 48px; }
}