:root {
  color-scheme: light;
  --cp-bg: #f7f4ef;
  --cp-bg-elevated: #fcfbf8;
  --cp-surface: #ffffff;
  --cp-surface-soft: #f5f5f5;
  --cp-border: #dedede;
  --cp-border-strong: #919191;
  --cp-text: #242424;
  --cp-text-muted: #5c5c5c;
  --cp-text-soft: #6f6f6f;
  --cp-accent: #4f46e5;
  --cp-accent-hover: #4338ca;
  --cp-accent-soft: rgba(79, 70, 229, 0.08);
  --cp-accent-fg: #ffffff;
  --cp-link: #4338ca;
  --cp-panel-strong: rgba(255, 255, 255, 0.96);
  --cp-highlight: rgba(79, 70, 229, 0.12);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --cp-bg: #3d3b3a;
  --cp-bg-elevated: #343231;
  --cp-surface: #292929;
  --cp-surface-soft: #2e2e2e;
  --cp-border: #474747;
  --cp-border-strong: #5f5f5f;
  --cp-text: #dedede;
  --cp-text-muted: #919191;
  --cp-text-soft: #b0b0b0;
  --cp-accent: #a5b4fc;
  --cp-accent-hover: #818cf8;
  --cp-accent-soft: rgba(165, 180, 252, 0.14);
  --cp-accent-fg: #1a1a1a;
  --cp-link: #a5b4fc;
  --cp-panel-strong: rgba(41, 41, 41, 0.96);
  --cp-highlight: rgba(165, 180, 252, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--cp-bg);
  color: var(--cp-text);
  font-family: "Segoe UI", Aptos, Calibri, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--cp-link);
}

a:hover {
  color: var(--cp-accent-hover);
}

.skip-link {
  position: absolute;
  z-index: 100;
  top: 8px;
  left: -9999px;
  padding: 10px 14px;
  border-radius: 0.625rem;
  background: var(--cp-accent);
  color: var(--cp-accent-fg);
}

.skip-link:focus {
  left: 8px;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--cp-border);
  background: var(--cp-panel-strong);
}

.nav-shell,
.page-shell,
.footer-shell {
  width: min(920px, calc(100% - 32px));
  margin-inline: auto;
}

.nav-shell {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--cp-text);
  font-size: 1.08rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 0.625rem;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 4px;
}

.site-nav a {
  padding: 8px 10px;
  border-radius: 0.625rem;
  color: var(--cp-text-muted);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--cp-accent-soft);
  color: var(--cp-accent);
}

.site-nav .nav-app {
  background: var(--cp-accent);
  color: var(--cp-accent-fg);
}

.site-nav .nav-app:hover {
  background: var(--cp-accent-hover);
  color: var(--cp-accent-fg);
}

.page-shell {
  padding-block: 64px 80px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--cp-accent);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.page-title {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.75rem);
  line-height: 1.08;
}

.lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--cp-text-muted);
  font-size: 1.08rem;
}

.section {
  margin-top: 36px;
}

.content-card,
.faq-list {
  padding: clamp(20px, 4vw, 36px);
  border: 1px solid var(--cp-border);
  border-radius: 16px;
  background: var(--cp-surface);
}

.faq-list {
  display: grid;
  gap: 0;
}

.faq-list details {
  border-bottom: 1px solid var(--cp-border);
}

.faq-list details:last-child {
  border-bottom: 0;
}

.faq-list summary {
  padding: 18px 4px;
  color: var(--cp-text);
  font-weight: 700;
  cursor: pointer;
}

.faq-list details p {
  margin: -4px 4px 20px;
  color: var(--cp-text-muted);
}

.content-card h2 {
  margin: 32px 0 8px;
  font-size: 1.35rem;
}

.content-card h2:first-of-type {
  margin-top: 0;
}

.content-card p,
.content-card li {
  color: var(--cp-text-muted);
}

.callout {
  margin-bottom: 28px;
  padding: 16px;
  border: 1px solid var(--cp-border);
  border-left: 4px solid var(--cp-accent);
  border-radius: 0.625rem;
  background: var(--cp-accent-soft);
}

.callout p {
  margin: 0;
  color: var(--cp-text);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border: 1px solid var(--cp-border);
  border-radius: 0.625rem;
  background: var(--cp-surface-soft);
  color: var(--cp-text);
  font-weight: 700;
  text-decoration: none;
}

.button:hover {
  background: var(--cp-highlight);
  color: var(--cp-text);
}

.button.primary {
  border-color: var(--cp-accent);
  background: var(--cp-accent);
  color: var(--cp-accent-fg);
}

.button.primary:hover {
  background: var(--cp-accent-hover);
  color: var(--cp-accent-fg);
}

.site-footer {
  border-top: 1px solid var(--cp-border);
}

.footer-shell {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--cp-text-muted);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: var(--cp-text-muted);
}

@media (max-width: 640px) {
  .nav-shell {
    min-height: auto;
    align-items: flex-start;
    flex-direction: column;
    padding-block: 12px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .page-shell {
    padding-block: 40px 56px;
  }

  .footer-shell {
    align-items: flex-start;
    flex-direction: column;
    padding-block: 20px;
  }
}