:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --ink: #1d232b;
  --muted: #5b6672;
  --accent: #2456c9;
  --accent-ink: #ffffff;
  --line: #e3e7ec;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 17px;
}

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

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.brand {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 22px;
  font-size: 0.95rem;
}

.site-header nav a:hover {
  color: var(--accent);
}

.hero {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 72px 0;
}

h1 {
  font-size: 2.1rem;
  line-height: 1.25;
  margin: 0 0 18px;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.button-primary:hover {
  background: #1c46a8;
}

.button-secondary {
  background: var(--surface);
  color: var(--accent);
  border-color: var(--accent);
}

.section {
  padding: 56px 0;
}

.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: 1.5rem;
  margin: 32px 0 14px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 18px;
  margin-top: 22px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.1rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.steps {
  margin: 22px 0 0;
  padding-left: 22px;
}

.steps li {
  margin-bottom: 12px;
}

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

.site-footer {
  background: #14181d;
  color: #cfd6de;
  padding: 26px 0;
}

.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 0.92rem;
}

.site-footer nav a {
  color: #cfd6de;
  text-decoration: none;
  margin-left: 20px;
}

.site-footer nav a:hover {
  color: #ffffff;
}

@media (max-width: 640px) {
  html {
    font-size: 16px;
  }

  .hero {
    padding: 48px 0;
  }

  h1 {
    font-size: 1.7rem;
  }
}