:root {
  --primary: #1f67f3;
  --primary-dark: #0d47a1;
  --primary-navy: #17255a;
  --text: #11181c;
  --muted: #6f7178;
  --line: #d3d9e1;
  --hero: #eef4fc;
  --bg: #fff;
  --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Open Sans", ui-sans-serif, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
}
.wrap--wide {
  width: min(960px, calc(100% - 40px));
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.03em;
  text-decoration: none;
}
.logo span { color: var(--primary); }
.logo:hover { text-decoration: none; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 14px;
}
.nav a { color: var(--primary-navy); }

.hero {
  background: var(--hero);
  padding: 56px 0 48px;
  text-align: center;
}
.hero--landing {
  text-align: left;
  padding: 48px 0 40px;
}
.hero-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}
@media (min-width: 800px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
}
.hero-img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
  background: #fff;
}
.hero .lead { margin: 0 0 20px; max-width: none; }
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}
.badges li {
  margin: 0;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff;
  color: var(--primary-navy);
  font-size: 13px;
  font-weight: 700;
}
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; color: #fff; }

.section { padding: 8px 0 40px; }
.features {
  display: grid;
  gap: 16px;
}
@media (min-width: 800px) {
  .features { grid-template-columns: repeat(3, 1fr); }
}
.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
}
.feature img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  display: block;
  background: var(--hero);
}
.feature div { padding: 16px 18px 20px; }
.feature h3 { margin: 0 0 8px; font-size: 18px; color: var(--primary-navy); }
.feature p { margin: 0; color: var(--muted); font-size: 15px; }

h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
}

.lead {
  margin: 0 auto;
  max-width: 34em;
  color: var(--muted);
  font-size: 18px;
}

.cards {
  display: grid;
  gap: 12px;
  padding: 32px 0 56px;
}

.card {
  display: block;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
}
.card:hover {
  border-color: var(--primary);
  text-decoration: none;
}
.card strong {
  display: block;
  color: var(--primary-navy);
}
.card span {
  color: var(--muted);
  font-size: 14px;
}

.doc {
  padding: 36px 0 64px;
}

.doc h1 { font-size: 32px; margin-bottom: 8px; }
.meta { color: var(--muted); font-size: 14px; margin: 0 0 28px; }

h2 {
  margin: 28px 0 10px;
  font-size: 20px;
  color: var(--primary-navy);
}

p, li { color: var(--text); }
ul { padding-left: 1.2em; }
li { margin: 6px 0; }

.note {
  padding: 14px 16px;
  background: var(--hero);
  border-radius: var(--radius);
}

dl { margin: 0; }
dt {
  margin-top: 16px;
  font-size: 13px;
  color: var(--muted);
}
dd { margin: 2px 0 0; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 640px) {
  .site-header { flex-direction: column; align-items: flex-start; }
  .hero { padding: 40px 0 32px; }
}