:root {
  color-scheme: light dark;
  --page: #f2f6f5;
  --surface: #ffffff;
  --surface-strong: #e6efed;
  --text: #172220;
  --muted: #51615e;
  --line: #c8d5d2;
  --brand: #0b6663;
  --brand-strong: #084c4a;
  --coral: #d95f43;
  --blue: #2f78a8;
  --focus: #a6cf3c;
  --shadow: 0 10px 28px rgba(22, 52, 49, 0.12);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--page);
  color: var(--text);
  font-size: 17px;
  line-height: 1.55;
}

a {
  color: var(--brand);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--coral);
}

a:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 10;
  padding: 10px 14px;
  transform: translateY(-150%);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(100% - 40px, 1080px);
  margin-inline: auto;
}

.text-shell {
  max-width: 780px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--page) 92%, transparent);
  backdrop-filter: blur(18px);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-size: 19px;
  font-weight: 750;
  text-decoration: none;
}

.brand img {
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(22, 52, 49, 0.18);
}

nav,
.footer-inner div {
  display: flex;
  align-items: center;
  gap: 20px;
}

nav a,
.footer-inner a {
  color: var(--muted);
  font-size: 15px;
  font-weight: 650;
  text-decoration: none;
}

nav a[aria-current="page"] {
  color: var(--brand);
}

.intro {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  align-items: center;
  gap: 28px;
  min-height: 360px;
  padding-block: 68px;
}

.app-icon {
  width: 112px;
  height: 112px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--coral);
  font-size: 14px;
  font-weight: 750;
  text-transform: uppercase;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: 46px;
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 14px;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: 0;
}

.lede {
  max-width: 700px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 21px;
}

.band {
  padding-block: 70px;
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.help-list {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

details {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  padding: 20px 4px;
  color: var(--text);
  font-weight: 700;
}

details p {
  margin: -8px 0 20px;
  padding-right: 28px;
  color: var(--muted);
}

.support-band {
  padding-block: 64px;
  background: var(--brand-strong);
  color: #ffffff;
}

.support-band .eyebrow {
  color: #ff9b7e;
}

.support-band p:not(.eyebrow) {
  max-width: 670px;
  margin-bottom: 0;
  color: #d9e9e6;
}

.support-layout,
.privacy-callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 11px 18px;
  border-radius: 7px;
  font-weight: 750;
  text-decoration: none;
}

.primary-action {
  background: #ffffff;
  color: var(--brand-strong);
}

.secondary-action {
  border: 1px solid var(--brand);
  color: var(--brand);
}

.privacy-callout {
  min-height: 280px;
  padding-block: 56px;
}

.privacy-callout p:not(.eyebrow) {
  max-width: 690px;
  margin-bottom: 0;
  color: var(--muted);
}

.policy-header {
  padding-block: 70px 50px;
}

.policy-body {
  padding-bottom: 80px;
}

.policy-body section {
  padding-block: 30px;
  border-top: 1px solid var(--line);
}

.policy-body p {
  margin: 0;
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--muted);
}

@media (max-width: 680px) {
  .shell {
    width: min(100% - 28px, 1080px);
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 12px;
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .intro {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 18px;
    min-height: 300px;
    padding-block: 52px;
  }

  .app-icon {
    width: 76px;
    height: 76px;
    border-radius: 17px;
  }

  h1 {
    font-size: 34px;
  }

  .lede {
    font-size: 18px;
  }

  .support-layout,
  .privacy-callout {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding-block: 20px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #151918;
    --surface: #1d2422;
    --surface-strong: #202b28;
    --text: #f2f6f5;
    --muted: #b4c3bf;
    --line: #3b4a46;
    --brand: #63c7c2;
    --brand-strong: #0b4e4c;
    --coral: #ff9478;
    --blue: #6eb3df;
    --focus: #b7dd51;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.34);
  }

  .primary-action {
    color: #083e3c;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}