* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color: #102326;
  background: #f5fbfa;
}
a { color: inherit; text-decoration: none; }
.container { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(245, 251, 250, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #dbe8e5;
}
.nav { display: flex; justify-content: space-between; align-items: center; padding: 20px 0; }
.logo { font-weight: 900; letter-spacing: .08em; font-size: 1.05rem; }
.nav-links { display: flex; gap: 22px; color: #4a5d60; font-weight: 700; }
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 46px; align-items: center; padding: 86px 0 70px; }
.eyebrow { color: #21897e; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; }
h1 { font-size: clamp(3rem, 8vw, 6.8rem); line-height: .9; margin: 14px 0 24px; letter-spacing: -0.07em; }
h2 { font-size: clamp(2rem, 5vw, 4rem); line-height: 1; margin: 8px 0 18px; letter-spacing: -0.05em; }
h3 { margin: 0 0 10px; font-size: 1.35rem; }
p { font-size: 1.05rem; line-height: 1.65; }
.hero-copy { max-width: 680px; font-size: 1.25rem; color: #43565a; }
.buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 14px 22px; font-weight: 900; }
.btn.primary { background: #123f3b; color: white; box-shadow: 0 12px 30px rgba(18,63,59,.18); }
.btn.secondary { background: white; color: #123f3b; border: 1px solid #cfe2df; }
.dashboard-card, .feature-card, .pricing-card, .highlight {
  background: white;
  border: 1px solid #d7e6e3;
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(11, 45, 42, 0.08);
}
.dashboard-card { padding: 30px; }
.card-title { font-size: .8rem; font-weight: 900; letter-spacing: .14em; color: #21897e; }
.stat { display: flex; justify-content: space-between; padding: 16px 0; border-bottom: 1px solid #eef4f2; font-size: 1.05rem; }
.stat strong { font-size: 1.55rem; }
.progress { margin-top: 24px; height: 12px; background: #e7f1ef; border-radius: 999px; overflow: hidden; }
.progress div { width: 64%; height: 100%; background: #21897e; border-radius: 999px; }
.section { padding: 70px 0; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 40px; align-items: center; }
.split p:last-child { color: #43565a; font-size: 1.2rem; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 30px; }
.feature-card { padding: 26px; }
.feature-card p { color: #526568; margin-bottom: 0; }
.highlight { padding: 42px; }
.pricing-card { padding: 46px; text-align: center; max-width: 680px; }
.price { font-size: 4rem; font-weight: 950; line-height: 1; margin: 10px 0; }
.footer { text-align: center; padding: 36px 18px; color: #5e7072; }
@media (max-width: 820px) {
  .nav { align-items: flex-start; gap: 14px; flex-direction: column; }
  .nav-links { gap: 14px; font-size: .95rem; }
  .hero, .split { grid-template-columns: 1fr; padding-top: 48px; }
  .feature-grid { grid-template-columns: 1fr; }
  .section { padding: 46px 0; }
  .dashboard-card, .highlight, .pricing-card { border-radius: 22px; padding: 24px; }
}