:root {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #1b1f24;
  background: #f6f7f9;
  line-height: 1.5;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; }
.container { width: min(960px, calc(100% - 32px)); margin: 0 auto; padding-bottom: 64px; }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.brand { font-weight: 800; text-decoration: none; letter-spacing: -0.02em; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.hero { padding: 72px 0 32px; }
.eyebrow { text-transform: uppercase; letter-spacing: .11em; font-size: .78rem; font-weight: 800; color: #59636e; }
h1 { font-size: clamp(2.2rem, 7vw, 4.4rem); line-height: 1.02; letter-spacing: -.05em; max-width: 850px; margin: 10px 0 18px; }
h2 { margin-top: 0; letter-spacing: -.02em; }
.lead { font-size: 1.15rem; color: #4e5965; max-width: 760px; }
.card { background: #fff; border: 1px solid #e2e5e9; border-radius: 16px; padding: 24px; box-shadow: 0 8px 24px rgba(20, 30, 45, .04); }
.settings-card { display: grid; gap: 18px; margin-top: 28px; }
.settings-form { display: grid; gap: 9px; max-width: 520px; }
.settings-form label { font-weight: 700; font-size: .85rem; }
.settings-form select, .settings-form input[type="text"] { width: 100%; padding: 11px 12px; border-radius: 9px; border: 1px solid #ccd2d8; background: #fff; font: inherit; }
.settings-form .button { justify-self: start; }
.calendar-list { display: grid; gap: 16px; margin-top: 28px; }
.calendar-card { display: grid; gap: 18px; }
.button { display: inline-flex; border: 0; border-radius: 10px; background: #20262d; color: #fff; padding: 10px 15px; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer; }
.button.secondary { background: #e9edf1; color: #20262d; }
.button.danger { background: #9c2b2b; }
.tag { display: inline-block; font-size: .72rem; vertical-align: middle; background: #e9edf1; padding: 3px 7px; border-radius: 999px; }
.feed-box { display: grid; gap: 7px; }
.feed-box label { font-weight: 700; font-size: .85rem; }
.feed-url { width: 100%; padding: 11px 12px; border-radius: 9px; border: 1px solid #ccd2d8; background: #f8f9fa; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.muted { color: #68727d; }
.small { font-size: .85rem; margin: 0; }
.notice { padding: 14px 16px; border-radius: 10px; margin: 18px 0; }
.notice.warning { background: #fff1cf; border: 1px solid #efcf82; }
ol { padding-left: 1.3rem; }
@media (max-width: 640px) {
  .site-header, .header-actions { align-items: flex-start; }
  .header-actions { flex-direction: column; }
  .hero { padding-top: 48px; }
}

/* Public landing and policy pages. */
.site-header-right { display: flex; align-items: center; gap: 18px; }
.policy-nav { display: flex; align-items: center; gap: 14px; font-size: .9rem; font-weight: 700; }
.policy-nav a, .site-footer a, .disclosure a, .policy-page a:not(.button) { text-underline-offset: 3px; }
.landing-hero { padding-bottom: 40px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 0; }
.signed-in { margin-top: 18px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin: 10px 0 28px; }
.feature-grid .card { height: 100%; }
.content-section { margin-top: 28px; }
.disclosure { max-width: 820px; padding: 20px 0; }
.steps { display: grid; gap: 12px; }
.site-footer { display: flex; justify-content: space-between; gap: 24px; margin-top: 64px; padding: 28px 0; border-top: 1px solid #dfe3e8; color: #68727d; font-size: .88rem; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.policy-page { max-width: 820px; margin: 42px auto 0; }
.policy-header { margin-bottom: 38px; }
.policy-header h1 { max-width: 760px; }
.policy-meta { color: #68727d; }
.policy-page section { margin: 34px 0; }
.policy-page section h2 { margin-bottom: 10px; }
.policy-page section p { color: #404b57; }
.policy-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 42px; }
@media (max-width: 800px) {
  .feature-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .site-header { flex-direction: column; justify-content: center; padding: 16px 0; }
  .site-header-right { width: 100%; justify-content: space-between; flex-wrap: wrap; }
  .site-footer { flex-direction: column; }
}