*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 var(--font-sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-strong); text-underline-offset: 4px; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; border-radius: 2px; }
.skip-link { position: absolute; top: -100px; left: 20px; padding: 12px 20px; background: var(--paper); z-index: 10; }
.skip-link:focus { top: 12px; }
.wrap { width: min(1120px, calc(100% - 2 * var(--gutter))); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--rule); }
.header-inner { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { color: var(--ink); text-decoration: none; font: 600 22px/1.2 var(--font-display); letter-spacing: -.025em; }
.brand span { color: var(--accent); margin-right: 8px; }
nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: 14px; }
nav a { text-decoration: none; }
nav a[aria-current] { text-decoration: underline; }
.hero { display: grid; grid-template-columns: 1.35fr .85fr; gap: clamp(40px, 7vw, 100px); align-items: center; padding-block: 72px 88px; }
.app-label { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
.app-icon { width: 58px; height: 58px; border-radius: 14px; }
.eyebrow { font: 12px/1.5 var(--font-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.app-name { font: 600 24px/1.2 var(--font-display); }
h1, h2, h3 { font-family: var(--font-display); font-weight: 600; letter-spacing: -.035em; }
h1 { font-size: clamp(44px, 5.3vw, 68px); line-height: 1.06; margin: 0 0 24px; }
.lede { font: italic 25px/1.4 var(--font-serif-it); color: var(--ink-soft); margin: 0 0 20px; }
.hero-copy > p:not(.lede) { max-width: 520px; color: var(--ink-soft); }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 11px 20px; border: 1px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--paper); text-decoration: none; font-size: 14px; }
.button:hover { color: var(--paper); background: var(--accent-strong); }
.button.secondary { background: transparent; color: var(--ink); border-color: var(--rule); }
.button.secondary:hover { border-color: var(--accent); color: var(--accent-strong); }
.hero-visual { margin: 0; padding: 32px; border: 1px solid var(--rule); border-radius: 24px; background: var(--paper-2); text-align: center; }
.phone { width: min(100%, 232px); height: auto; display: block; margin: auto; border: 6px solid var(--ink); border-radius: 32px; box-shadow: 0 20px 40px -20px rgba(16,20,26,.35); }
figcaption { margin-top: 18px; font-size: 13px; color: var(--ink-soft); }
.band { border-top: 1px solid var(--rule); padding-block: 64px; }
.band h2 { font-size: clamp(30px, 4vw, 42px); line-height: 1.15; margin: 14px 0 32px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.steps li { border-top: 1px solid var(--rule); padding-top: 22px; }
.steps .number { font: 12px var(--font-mono); color: var(--accent); }
.steps h3 { font-size: 24px; margin: 14px 0 10px; }
.steps p { margin: 0; color: var(--ink-soft); font-size: 16px; }
.features { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 64px; }
.features h3 { font-size: 23px; margin: 0 0 8px; }
.features p { margin: 0; color: var(--ink-soft); }
.privacy-band { background: var(--paper-2); }
.privacy-summary { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.privacy-summary h2 { margin-bottom: 0; }
.privacy-summary p { margin-top: 0; }
.requirements { font-size: 15px; color: var(--ink-soft); max-width: 800px; }
.requirements strong { color: var(--ink); }
.site-footer { border-top: 1px solid var(--rule); padding-block: 28px; }
.footer-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; font-size: 13px; color: var(--ink-soft); }
.footer-links { display: flex; flex-wrap: wrap; gap: 20px; }
.policy { max-width: 760px; padding-block: 64px 80px; }
.policy h1 { font-size: clamp(40px, 6vw, 58px); margin-top: 20px; }
.policy .updated { font-size: 14px; color: var(--ink-soft); margin-bottom: 32px; }
.notice { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 24px 28px; margin-bottom: 40px; }
.notice h2 { margin: 0 0 12px; font-size: 27px; line-height: 1.25; }
.notice p { margin: 0; }
.policy section + section { border-top: 1px solid var(--rule); margin-top: 32px; padding-top: 24px; }
.policy section h2 { font-size: 25px; margin: 0 0 14px; }
.policy section p { margin: 0 0 14px; }
.policy li { margin-bottom: 10px; }
.policy ul { padding-left: 24px; }
@media (max-width: 760px) {
  .header-inner { padding-block: 22px; align-items: flex-start; flex-direction: column; gap: 16px; }
  nav { gap: 20px; }
  .hero { grid-template-columns: 1fr; padding-block: 48px; gap: 40px; }
  .hero-visual { width: 100%; max-width: 440px; margin-inline: auto; }
  .steps, .features, .privacy-summary { grid-template-columns: 1fr; gap: 28px; }
  .band { padding-block: 44px; }
  .policy { padding-block: 44px 60px; }
  .notice { padding: 22px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }