* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: #1f2933; background: #f6f8fb; line-height: 1.6; }
.container { width: min(1120px, 92%); margin: 0 auto; }
.site-header { background: #fff; border-bottom: 1px solid #d9e2ec; position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 44px; height: 44px; border-radius: 10px; background: #0f4c81; color: #fff; display: grid; place-items: center; font-weight: bold; }
.brand-name { font-size: 1.3rem; font-weight: 700; }
.brand-tagline { font-size: .85rem; color: #62748a; }
.main-nav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.main-nav a { color: #1f2933; text-decoration: none; font-weight: 600; }
.main-nav a:hover { color: #0f4c81; }
.login-link { padding: 8px 14px; border: 1px solid #0f4c81; border-radius: 8px; }
.hero { padding: 86px 0; background: linear-gradient(135deg, #0f4c81 0%, #1f78b4 100%); color: #fff; }
.hero h1 { font-size: clamp(2rem, 5vw, 4rem); line-height: 1.1; max-width: 820px; margin: 0 0 18px; }
.hero p { max-width: 760px; font-size: 1.15rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 26px; }
.button { display: inline-block; padding: 12px 18px; border-radius: 8px; text-decoration: none; font-weight: 700; }
.button.primary { background: #fff; color: #0f4c81; }
.button.secondary { background: transparent; color: #fff; border: 1px solid #fff; }
.section { padding: 58px 0; background: #fff; }
.section.alt { background: #eef3f8; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; margin-top: 20px; }
.card { background: #fff; border: 1px solid #d9e2ec; border-radius: 12px; padding: 24px; box-shadow: 0 8px 22px rgba(15,76,129,.08); }
.card.muted { opacity: .78; }
.card a { color: #0f4c81; font-weight: 700; }
.site-footer { padding: 26px 0; background: #182534; color: #fff; }
@media (max-width:760px) { .header-inner { align-items:flex-start; flex-direction:column; } .main-nav { gap:12px; } }