:root {
  --bg: #feffff; /* White2 */
  --surface: #ffffff;
  --surface-2: #f6f7f8;
  --text: #000000; /* TextPrimary */
  --muted: #3c3c43; /* iOS-ish secondary label */
  --border: #d5dce2; /* lightGrayy */
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  --radius: 16px;
  --radius-sm: 12px;
  --max: 1040px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(
      1200px 600px at 20% -10%,
      rgba(0, 0, 0, 0.05),
      transparent 55%
    ),
    radial-gradient(
      900px 500px at 85% 0%,
      rgba(0, 0, 0, 0.04),
      transparent 55%
    ),
    var(--bg);
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow);
}
.skip-link:focus {
  left: 12px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
  background: rgba(254, 255, 255, 0.72);
  border-bottom: 1px solid rgba(213, 220, 226, 0.8);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, #ffffff, #f4f5f6);
}
.brand__name {
  font-size: 16px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav__link {
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.nav__link:hover {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.7);
}

.hero {
  padding: 64px 0 34px;
}
.hero__inner {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75), #ffffff);
  border: 1px solid rgba(213, 220, 226, 0.85);
  border-radius: calc(var(--radius) + 8px);
  box-shadow: var(--shadow);
  padding: 34px;
}
.hero__title {
  margin: 0;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.hero__subtitle {
  margin: 14px 0 0;
  color: var(--muted);
  max-width: 60ch;
}
.hero__cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid #000;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}
.button:hover {
  filter: brightness(1.05);
}
.button--ghost {
  background: transparent;
  color: #000;
  border-color: var(--border);
}
.button--ghost:hover {
  background: rgba(0, 0, 0, 0.04);
}

.section {
  padding: 34px 0;
}
.section__title {
  margin: 0;
  font-size: 26px;
  letter-spacing: -0.02em;
}
.section__lede {
  margin: 10px 0 18px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 14px;
}
.grid > .card {
  grid-column: span 12;
}
@media (min-width: 860px) {
  .grid > .card {
    grid-column: span 6;
  }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 18px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}
.card__title {
  margin: 0;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.card__body {
  margin-top: 10px;
  color: var(--text);
}
.card__body ul {
  margin: 10px 0 0;
  padding-left: 18px;
}
.card__body li {
  margin: 6px 0;
  color: var(--text);
}

.muted {
  color: var(--muted);
}

.support-email {
  font-weight: 800;
}

.note {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(0, 0, 0, 0.25);
  background: rgba(255, 255, 255, 0.6);
  color: var(--muted);
}

.footer {
  margin-top: 30px;
  padding: 22px 0;
  border-top: 1px solid rgba(213, 220, 226, 0.9);
  background: rgba(255, 255, 255, 0.55);
}
.footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
}
.footer__text {
  margin: 0;
  color: var(--muted);
}
.footer__link {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 10px;
}
.footer__link:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text);
}