* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: #0f172a; background: #ffffff; line-height: 1.6;
}
a { text-decoration: none; color: inherit; }
.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px; border-radius: 12px; font-weight: 600; font-size: 16px;
  background: #2563eb; color: #fff; transition: .2s; cursor: pointer; border: 2px solid #2563eb;
}
.btn:hover { background: #1d4ed8; transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-ghost { background: transparent; color: #2563eb; }
.btn-ghost:hover { background: #2563eb; color: #fff; }

.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid #e2e8f0;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { font-size: 24px; font-weight: 800; }
.logo span { color: #2563eb; }
.nav-links { display: flex; gap: 32px; }
.nav-links a { font-weight: 500; color: #334155; }
.nav-links a:hover { color: #2563eb; }

.hero { padding: 80px 0 100px; background: linear-gradient(180deg, #f8fafc, #fff); }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.badge {
  display: inline-block; padding: 8px 16px; border-radius: 999px;
  background: #eff6ff; color: #2563eb; font-size: 14px; font-weight: 600; margin-bottom: 20px;
}
.hero-text h1 { font-size: 48px; font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.grad { background: linear-gradient(90deg, #2563eb, #7c3aed); -webkit-background-clip: text; color: transparent; }
.hero-text p { font-size: 18px; color: #475569; margin-bottom: 32px; max-width: 480px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-visual { display: flex; justify-content: center; min-height: 360px; }
.card-stack { position: relative; width: 280px; height: 280px; }
.card { position: absolute; border-radius: 20px; box-shadow: 0 20px 50px rgba(37,99,235,.15); transition: .3s; }
.card-1 { width: 200px; height: 200px; top: 0; left: 40px; background: linear-gradient(135deg, #2563eb, #7c3aed); }
.card-2 { width: 160px; height: 160px; top: 80px; left: 120px; background: linear-gradient(135deg, #f59e0b, #ef4444); }
.card-3 { width: 120px; height: 120px; top: 160px; left: 0; background: linear-gradient(135deg, #10b981, #06b6d4); }

.section { padding: 96px 0; }
.section-alt { background: #f8fafc; }
.section-title { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.section-sub { color: #64748b; font-size: 18px; margin-bottom: 56px; }

.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card {
  background: #fff; border: 1px solid #e2e8f0; border-radius: 16px; padding: 32px 24px;
  transition: .25s; text-align: center;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(15,23,42,.08); }
.icon { font-size: 40px; margin-bottom: 16px; }
.service-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.service-card p { color: #64748b; font-size: 15px; }

.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.about-text p { color: #475569; font-size: 17px; margin: 16px 0 24px; }
.check-list { list-style: none; }
.check-list li { padding: 8px 0 8px 32px; position: relative; color: #334155; font-weight: 500; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: #10b981; font-weight: 800; }
.stats { display: flex; flex-direction: column; gap: 24px; }
.stat { background: #fff; border-radius: 16px; padding: 28px; text-align: center; box-shadow: 0 8px 24px rgba(15,23,42,.06); }
.stat .num { display: block; font-size: 40px; font-weight: 800; color: #2563eb; }
.stat .label { color: #64748b; font-size: 15px; }

.cta-card { text-align: center; background: linear-gradient(135deg, #2563eb, #7c3aed); border-radius: 24px; padding: 64px 40px; color: #fff; }
.cta-card h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.cta-card p { font-size: 18px; opacity: .9; margin-bottom: 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-card .btn { background: #fff; color: #2563eb; border-color: #fff; }
.cta-card .btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.cta-card .btn-ghost:hover { background: rgba(255,255,255,.15); }

.footer { background: #0f172a; color: #cbd5e1; padding: 40px 0; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer .logo { color: #fff; }

@media (max-width: 900px) {
  .hero-inner, .about-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .hero-text h1 { font-size: 36px; }
  .nav-links { display: none; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .hero-text h1 { font-size: 30px; }
}