:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --text: #142033;
  --muted: #5d6b82;
  --line: #d9e0ea;
  --brand: #1463ff;
  --brand-dark: #0f46b8;
  --soft: #eaf1ff;
  --ok: #116149;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

a {
  color: var(--brand-dark);
}

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

.header-inner,
.page {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--brand);
  color: #ffffff;
  font-weight: 700;
}

.brand-title {
  display: block;
  font-size: 16px;
  font-weight: 700;
}

.brand-subtitle {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav a {
  border-radius: 8px;
  color: var(--muted);
  padding: 8px 10px;
  text-decoration: none;
}

.nav a:hover,
.nav a:focus {
  background: var(--soft);
  color: var(--brand-dark);
}

.page {
  padding: 36px 0 56px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  color: var(--brand-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 8px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.25;
}

h1 {
  font-size: clamp(30px, 4vw, 46px);
  margin: 0 0 12px;
}

h2 {
  border-top: 1px solid var(--line);
  font-size: 24px;
  margin: 34px 0 12px;
  padding-top: 24px;
}

h3 {
  font-size: 18px;
  margin: 24px 0 8px;
}

p,
li {
  color: var(--muted);
  font-size: 16px;
}

.lead {
  color: #34445a;
  font-size: 18px;
  max-width: 780px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.card h2 {
  border: 0;
  font-size: 20px;
  margin: 0 0 8px;
  padding: 0;
}

.meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.meta div {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.meta strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

.notice {
  background: #effaf6;
  border: 1px solid #bde7d6;
  border-radius: 8px;
  color: var(--ok);
  padding: 16px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  padding: 22px 0 34px;
  text-align: center;
}

@media (max-width: 760px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .grid,
  .meta {
    grid-template-columns: 1fr;
  }
}