:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --text: #17202a;
  --muted: #5b6777;
  --primary: #0a84ff;
  --border: #e1e8f0;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  width: min(900px, 92vw);
  margin: 0 auto;
}

.hero {
  background: linear-gradient(145deg, #e8f2ff, #ffffff);
  border-bottom: 1px solid var(--border);
  padding: 64px 0 44px;
}

.eyebrow {
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 8px 0 12px;
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1.15;
}

h2 {
  margin-top: 0;
}

h3 {
  margin-bottom: 6px;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  text-decoration: none;
  color: var(--text);
  background: var(--surface);
  font-weight: 600;
}

.button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.main-content,
.page {
  padding: 28px 0 44px;
  display: grid;
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
}

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

.back-link {
  text-decoration: none;
  display: inline-block;
  margin-bottom: 2px;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 20px 0 28px;
  color: var(--muted);
  font-size: 14px;
}