:root {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #17202a;
  --muted: #5e6a75;
  --line: #d9dee7;
  --primary: #0f6b5f;
  --secondary: #3347a6;
  --warning-bg: #fff7df;
  --warning-border: #e6c76f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.75;
}

a {
  color: var(--secondary);
}

a:focus-visible {
  outline: 3px solid rgba(51, 71, 166, 0.35);
  outline-offset: 3px;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.site-header__inner,
.main,
.site-footer__inner {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header__inner {
  padding: 20px 0 16px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: var(--text);
}

.brand__name {
  font-size: 1.35rem;
  font-weight: 700;
}

.brand__copy {
  color: var(--muted);
  font-size: 0.9rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 18px;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}

.nav a[aria-current="page"],
.nav a:hover {
  border-color: var(--primary);
}

.main {
  flex: 1;
  padding: 44px 0 56px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--primary);
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.35;
  margin: 0 0 14px;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  letter-spacing: 0;
}

h2 {
  margin-top: 36px;
  font-size: 1.45rem;
}

h3 {
  margin-top: 24px;
  font-size: 1.15rem;
}

p {
  margin: 0 0 16px;
}

ul,
ol {
  margin: 0 0 18px 1.2rem;
  padding: 0;
}

li + li {
  margin-top: 6px;
}

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

.section {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.notice {
  margin: 24px 0;
  padding: 16px 18px;
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  border-radius: 8px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 8px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.button-link:hover,
.button-link:focus-visible {
  color: #ffffff;
}

.info-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 22px 0;
}

.info-card {
  padding: 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.info-card h3 {
  margin-top: 0;
}

.external-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.meta {
  color: var(--muted);
  font-size: 0.95rem;
}

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

.site-footer__inner {
  padding: 20px 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .site-header__inner,
  .main,
  .site-footer__inner {
    width: min(100% - 24px, 960px);
  }

  .main {
    padding-top: 32px;
  }
}