:root {
  --blue: #1D5FD6;
  --blue-dark: #0C2B5E;
  --teal: #14A88C;
  --bg: #F5F7FA;
  --card: #ffffff;
  --text: #1c2430;
  --muted: #5a6675;
}
* { box-sizing: border-box; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.65;
}
header {
  background: var(--card); border-bottom: 1px solid #e3e8ef;
  padding: 14px 24px; display: flex; align-items: center; gap: 12px;
}
header img { width: 36px; height: 36px; border-radius: 9px; }
header .brand { font-weight: 700; font-size: 18px; color: var(--blue-dark); text-decoration: none; }
header nav { margin-left: auto; display: flex; gap: 18px; }
header nav a { color: var(--muted); text-decoration: none; font-size: 15px; }
header nav a:hover { color: var(--blue); }
main { max-width: 760px; margin: 0 auto; padding: 40px 24px 64px; }
h1 { font-size: 30px; color: var(--blue-dark); margin-bottom: 12px; }
h2 { font-size: 20px; color: var(--blue-dark); margin: 28px 0 8px; }
p, li { color: var(--text); }
ul { padding-left: 22px; margin: 8px 0; }
a { color: var(--blue); }
.hero { text-align: center; padding: 28px 0 8px; }
.hero img { width: 140px; height: 140px; border-radius: 30px; box-shadow: 0 8px 28px rgba(12, 43, 94, .18); }
.hero h1 { font-size: 40px; margin: 18px 0 6px; }
.hero .tag { font-size: 20px; color: var(--muted); }
.badge {
  display: inline-block; margin-top: 18px; background: var(--teal); color: #fff;
  padding: 8px 18px; border-radius: 999px; font-weight: 600; font-size: 15px;
}
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-top: 36px; }
.features .card { background: var(--card); border: 1px solid #e3e8ef; border-radius: 14px; padding: 18px; }
.features .card h3 { color: var(--blue); font-size: 16px; margin-bottom: 6px; }
.features .card p { font-size: 14.5px; color: var(--muted); }
.meta { color: var(--muted); font-size: 14px; }
footer {
  border-top: 1px solid #e3e8ef; padding: 20px 24px; text-align: center;
  color: var(--muted); font-size: 14px; background: var(--card);
}
footer a { color: var(--muted); margin: 0 8px; }