:root {
  --apple-blue: #0071E3;
  --apple-blue-hover: #0077ED;
  --apple-blue-link: #0066CC;
  --ink: #1D1D1F;
  --ink-soft: #6E6E73;
  --ink-muted: #86868B;
  --surface: #FFFFFF;
  --surface-2: #F5F5F7;
  --surface-3: #FBFBFD;
  --border: rgba(210,210,215,0.64);
  --font: "Inter","SF Pro Display",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Helvetica,Arial,sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #F5F5F7;
    --ink-soft: #98989D;
    --ink-muted: #636366;
    --surface: #1C1C1E;
    --surface-2: #2C2C2E;
    --surface-3: #000000;
    --border: rgba(255,255,255,0.14);
    --apple-blue-link: #2997FF;
  }
}
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--surface-3);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.47;
  letter-spacing: -0.022em;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; }
p { margin: 0 0 12px; }
ul { margin: 0 0 12px; padding-left: 1.25em; }
li { margin-bottom: 6px; color: var(--ink-soft); font-size: 15px; line-height: 1.55; }
.nav {
  position: sticky; top: 0; z-index: 100;
  height: 44px;
  background: rgba(29,29,31,0.88);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-inner {
  max-width: 1024px; margin: 0 auto;
  height: 44px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 22px;
}
.nav-brand {
  display: flex; align-items: center; gap: 8px;
  font-size: 17px; font-weight: 600; color: rgba(255,255,255,0.9);
}
.mark-bg { fill: #F5F5F7; }
.mark-r { fill: #1D1D1F; }
.mark-spark { fill: var(--apple-blue); }
.nav-pill {
  font-family: var(--font); font-size: 12px; font-weight: 400;
  color: #fff; background: var(--apple-blue); padding: 7px 14px;
  border-radius: 980px; transition: background 0.2s;
}
.nav-pill:hover { background: var(--apple-blue-hover); }
.hero {
  background: #1D1D1F;
  color: #fff;
  padding: 64px 22px 56px;
  text-align: center;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.04em;
  color: #2997FF; margin-bottom: 12px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 52px);
  letter-spacing: -0.022em;
  line-height: 1.08;
  margin-bottom: 16px;
}
.lead {
  font-size: 19px;
  line-height: 1.45;
  color: #E8E8ED;
  max-width: 620px;
  margin: 0 auto 28px;
}
.pill {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font); font-size: 17px; font-weight: 400;
  padding: 11px 21px; border-radius: 980px;
  background: var(--apple-blue); color: #fff;
  transition: background 0.18s;
}
.pill:hover { background: var(--apple-blue-hover); }
.pill:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(0,113,227,0.45); }
.section {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 22px;
}
.section-grey { background: var(--surface-2); }
.section h2 {
  font-size: clamp(28px, 4vw, 36px);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section p { font-size: 15px; color: var(--ink-soft); line-height: 1.55; }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 24px;
}
.card {
  background: var(--surface);
  border-radius: 18px;
  padding: 20px;
  text-align: left;
}
.section-grey .card { background: var(--surface); }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14px; margin: 0; }
.compare {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 14px;
}
.compare th, .compare td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare th { font-weight: 600; color: var(--ink); font-size: 13px; }
.compare td { color: var(--ink-soft); }
.compare tr:last-child td { border-bottom: 0; }
.faq-list { max-width: 720px; margin: 0 auto; padding: 0 22px 56px; }
.faq {
  border-top: 1px solid var(--border);
  padding: 16px 0;
}
.faq summary {
  font-size: 17px; font-weight: 600; cursor: pointer;
  list-style: none; display: flex; justify-content: space-between; gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq-ans { font-size: 15px; color: var(--ink-soft); line-height: 1.55; margin-top: 12px; }
.cta-band {
  background: var(--surface-2);
  text-align: center;
  padding: 56px 22px;
}
.cta-band h2 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 12px; }
.cta-band p { color: var(--ink-soft); margin-bottom: 24px; }
.related {
  max-width: 720px; margin: 0 auto; padding: 32px 22px 48px;
  font-size: 14px; color: var(--ink-muted);
}
.related a { color: var(--apple-blue-link); text-decoration: underline; text-underline-offset: 2px; }
.footer {
  background: var(--surface-2); border-top: 1px solid var(--border);
  padding: 32px 22px;
}
.footer .mark-bg { fill: var(--ink); }
.footer .mark-r { fill: var(--surface); }
.footer-inner {
  max-width: 1024px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer-brand { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 600; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: var(--ink-soft); }
.footer-links a:hover { color: var(--apple-blue-link); }
.footer-copy { font-size: 12px; color: var(--ink-muted); }
@media (max-width: 734px) {
  .hero { padding: 48px 20px 44px; }
  .section { padding: 44px 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .compare { font-size: 13px; }
  .compare th, .compare td { padding: 10px 8px; }
}