:root {
  --bg: #f2f2f7;
  --bg-2: #e9eef5;
  --ink: #1c1c1e;
  --ink-2: #3a3a3c;
  --muted: #6b6b70;
  --accent: #007aff;
  --accent-deep: #0a5fd0;
  --card: rgba(255, 255, 255, 0.6);
  --card-border: rgba(255, 255, 255, 0.7);
  --hairline: rgba(60, 60, 67, 0.12);
  --radius: 22px;
  --shadow: 0 18px 50px -22px rgba(20, 40, 80, 0.32);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue",
    Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1100px 620px at 78% -8%, rgba(0, 122, 255, 0.16), transparent 60%),
    radial-gradient(900px 520px at 12% 8%, rgba(90, 200, 250, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 42%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  line-height: 1.6;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  color: var(--accent-deep);
}

.wrap {
  width: 100%;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Glass surfaces ---- */
.glass {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.65);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
}

/* ---- Top bar ---- */
.nav {
  position: sticky;
  top: 14px;
  z-index: 10;
  margin: 14px auto 0;
  max-width: 820px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  border-radius: 100px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.mark {
  width: 28px;
  height: 28px;
  flex: none;
  display: block;
}
.nav-links {
  display: flex;
  gap: 20px;
  font-size: 15px;
  color: var(--ink-2);
}

/* ---- Hero (landing) ---- */
.hero {
  text-align: center;
  padding: 88px 24px 40px;
}
.hero-icon {
  width: 104px;
  height: 104px;
  display: block;
  margin: 0 auto 26px;
  filter: drop-shadow(0 14px 30px rgba(20, 40, 80, 0.22));
}
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(0, 122, 255, 0.1);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(38px, 7vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 18px;
  font-weight: 800;
}
.hero p {
  font-size: clamp(17px, 2.4vw, 21px);
  color: var(--muted);
  max-width: 540px;
  margin: 0 auto 32px;
}
.badge-row {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.store-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 16px;
  color: #fff;
  background: linear-gradient(180deg, #2a2a2e, #131316);
  box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.5);
}
.store-badge small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  opacity: 0.7;
  line-height: 1;
}
.note {
  margin-top: 18px;
  font-size: 14px;
  color: var(--muted);
}

/* ---- Content pages (privacy) ---- */
.page {
  padding: 38px clamp(24px, 5vw, 48px) 46px;
  margin: 36px auto 56px;
}
.page h1 {
  font-size: clamp(28px, 5vw, 38px);
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  font-weight: 800;
}
.page .updated {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 26px;
}
.page h2 {
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 32px 0 10px;
  font-weight: 700;
}
.page p,
.page li {
  color: var(--ink-2);
  font-size: 16.5px;
}
.page ul {
  padding-left: 22px;
}
.page li {
  margin: 8px 0;
}
.lede {
  font-size: 18px !important;
  color: var(--ink) !important;
}
.lede strong {
  color: var(--ink);
}

/* ---- Features ---- */
.features {
  max-width: 1060px;
  margin: 36px auto 16px;
  padding: 0 24px;
  scroll-margin-top: 92px;
}
.features h2 {
  text-align: center;
  font-size: clamp(26px, 4.4vw, 36px);
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 10px;
}
.features .sub {
  text-align: center;
  color: var(--muted);
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto 40px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature-card {
  padding: 26px 24px;
  border-radius: var(--radius);
  text-align: left;
}
.feature-card .icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: rgba(0, 122, 255, 0.1);
  color: var(--accent);
  margin-bottom: 16px;
}
.feature-card .icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 1.8;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.feature-card h3 {
  font-size: 18px;
  letter-spacing: -0.01em;
  margin: 0 0 7px;
  font-weight: 700;
  color: var(--ink);
}
.feature-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.55;
}
.features-note {
  text-align: center;
  color: var(--muted);
  font-size: 15px;
  max-width: 600px;
  margin: 34px auto 0;
}
@media (max-width: 860px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--hairline);
  padding: 28px 0 48px;
  margin-top: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}
.footer a {
  margin: 0 10px;
}

@media (max-width: 520px) {
  .nav-links {
    display: none;
  }
  .hero {
    padding-top: 56px;
  }
}