* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
       color: #1e293b; background: #f8fafc; line-height: 1.6; }
header { background: #0f172a; color: #fff; padding: 18px 32px; display: flex;
         justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
header .logo { font-weight: 700; font-size: 20px; letter-spacing: .5px; }
header nav a { color: #cbd5e1; text-decoration: none; margin-left: 22px; font-size: 15px; }
header nav a:hover { color: #fff; }
.hero { max-width: 900px; margin: 70px auto 40px; text-align: center; padding: 0 24px; }
.hero h1 { font-size: 42px; margin-bottom: 14px; color: #0f172a; }
.hero p { font-size: 18px; color: #475569; margin-bottom: 28px; }
.btn { display: inline-block; background: #2563eb; color: #fff; padding: 12px 30px;
       border-radius: 8px; text-decoration: none; font-weight: 600; }
.btn:hover { background: #1d4ed8; }
.grid { max-width: 900px; margin: 30px auto 60px; display: grid;
        grid-template-columns: repeat(3, 1fr); gap: 18px; padding: 0 24px; }
.card { background: #fff; border: 1px solid #e2e8f0; border-radius: 10px; padding: 24px; }
.card h3 { font-size: 17px; margin-bottom: 8px; color: #0f172a; }
.card p { font-size: 14px; color: #64748b; }
.page { max-width: 760px; margin: 60px auto; padding: 0 24px; }
.page h1 { font-size: 34px; color: #0f172a; margin-bottom: 18px; }
.page h2 { font-size: 20px; color: #0f172a; margin: 28px 0 10px; }
.page p { color: #475569; margin-bottom: 14px; }
.page ul { color: #475569; margin: 0 0 16px 22px; }
.page li { margin-bottom: 6px; }
.work { border-bottom: 1px solid #e2e8f0; padding: 18px 0; }
.work:last-child { border-bottom: 0; }
.work h3 { font-size: 17px; color: #0f172a; }
.work span { font-size: 13px; color: #94a3b8; }
footer { text-align: center; color: #94a3b8; font-size: 13px; padding: 26px;
         border-top: 1px solid #e2e8f0; margin-top: 40px; }
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  header nav a { margin-left: 14px; }
}