* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif; color: #1d2433; line-height: 1.6; background: #fff; }
.container { width: min(1100px, 92%); margin: 0 auto; }
a { color: inherit; text-decoration: none; }

.site-header { position: sticky; top: 0; background: #fff; border-bottom: 1px solid #e8ebf1; z-index: 10; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 22px; font-weight: 700; letter-spacing: .5px; }
.logo span { color: #2f6bff; font-weight: 400; }
nav { display: flex; gap: 26px; font-size: 15px; color: #4a5568; }
nav a:hover { color: #2f6bff; }

.hero { background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 55%, #2f6bff 100%); color: #fff; padding: 96px 0; text-align: center; }
.hero h1 { font-size: clamp(28px, 5vw, 48px); line-height: 1.2; margin-bottom: 20px; }
.hero p { max-width: 720px; margin: 0 auto 32px; color: #cdd8f5; font-size: 18px; }
.btn { display: inline-block; background: #2f6bff; color: #fff; padding: 14px 34px; border-radius: 8px; font-weight: 600; transition: background .2s; }
.btn:hover { background: #1f56e0; }

.section { padding: 72px 0; }
.section.alt { background: #f6f8fc; }
.section h2 { font-size: 32px; margin-bottom: 36px; text-align: center; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }
.grid.three { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card { background: #fff; border: 1px solid #e8ebf1; border-radius: 12px; padding: 26px; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: 0 10px 30px rgba(15, 23, 42, .08); transform: translateY(-3px); }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: #55607a; font-size: 15px; }
.thumb { height: 150px; border-radius: 8px; margin-bottom: 18px; }
.t1 { background: linear-gradient(135deg, #2f6bff, #60a5fa); }
.t2 { background: linear-gradient(135deg, #0f766e, #34d399); }
.t3 { background: linear-gradient(135deg, #7c3aed, #c084fc); }

.about p { max-width: 760px; margin: 0 auto 36px; text-align: center; color: #55607a; font-size: 17px; }
.stats { list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 20px; }
.stats li { text-align: center; background: #f6f8fc; border-radius: 12px; padding: 26px 10px; }
.stats b { display: block; font-size: 34px; color: #2f6bff; }
.stats span { color: #55607a; font-size: 14px; }

.cta { background: #0f172a; color: #fff; text-align: center; padding: 64px 0; }
.cta h2 { margin-bottom: 26px; font-size: 28px; }

.site-footer { background: #0b1120; color: #94a3b8; padding: 26px 0; font-size: 14px; }
.site-footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.site-footer a { color: #cbd5e1; }
.site-footer a:hover { color: #fff; }

@media (max-width: 700px) {
  nav { display: none; }
  .hero { padding: 64px 0; }
}