:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --text: #162033;
  --muted: #5b6678;
  --line: #d9e0ea;
  --accent: #165dcc;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 Arial, Helvetica, sans-serif;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px 28px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
  text-decoration: none;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a { color: var(--muted); text-decoration: none; }

.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 76px 28px 42px;
}

.eyebrow {
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  max-width: 860px;
  margin: 8px 0 18px;
  font-size: clamp(36px, 6vw, 64px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-top: 30px;
  font-size: 24px;
  line-height: 1.2;
}

.hero p,
.content p,
.content li {
  max-width: 820px;
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.button.secondary {
  background: #fff;
  color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto 54px;
  padding: 0 28px;
}

article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

article h2 {
  margin: 0 0 10px;
  font-size: 21px;
}

.content {
  max-width: 900px;
  margin: 0 auto;
  padding: 56px 28px 76px;
}

footer {
  padding: 24px 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #fff;
}

footer p {
  max-width: 1080px;
  margin: 0 auto;
}

@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
  h1 { font-size: 38px; }
}