*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, sans-serif; color: #1a1a1a; background: #fafafa; line-height: 1.65; }
header { background: #1a56db; color: #fff; padding: 1rem 2rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 0.5rem; }
header a.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; }
nav a { color: rgba(255,255,255,.85); margin-left: 1.5rem; text-decoration: none; font-size: 0.9rem; }
nav a:hover { color: #fff; text-decoration: underline; }
main { max-width: 820px; margin: 2.5rem auto; padding: 0 1.5rem 3rem; }
h1 { font-size: 1.55rem; color: #1a1a1a; margin-bottom: 1.75rem; padding-bottom: 0.75rem; border-bottom: 2px solid #e5e7eb; }
h2 { font-size: 1rem; font-weight: 700; color: #1a56db; margin: 1.75rem 0 0.4rem; text-transform: uppercase; letter-spacing: .04em; font-size: .85rem; }
p { margin-bottom: 0.7rem; color: #374151; }
ul { margin: 0.4rem 0 0.8rem 1.4rem; color: #374151; }
li { margin-bottom: 0.2rem; }
a { color: #1a56db; }
footer { background: #111827; color: #9ca3af; text-align: center; padding: 1.25rem 1rem; font-size: 0.82rem; }
footer a { color: #9ca3af; margin: 0 0.6rem; text-decoration: none; }
footer a:hover { color: #fff; }