:root {
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-2: #eef2f2;
  --text: #172225;
  --muted: #647276;
  --line: #dbe3e4;
  --accent: #176b63;
  --accent-dark: #0f4f49;
  --accent-soft: #dff1ee;
  --shadow: 0 18px 50px rgba(18, 41, 43, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
a { color: inherit; }
.container { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }
.hero {
  padding: 24px 0 72px;
  background: radial-gradient(circle at 80% 10%, rgba(23,107,99,.14), transparent 38%), linear-gradient(180deg, #ffffff 0%, #f3f7f7 100%);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: 72px; }
.brand { text-decoration: none; font-weight: 800; letter-spacing: -.02em; font-size: 1.15rem; }
.badge, .tag {
  display: inline-flex; padding: 6px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-dark); font-size: .78rem; font-weight: 700;
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr); gap: 64px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--accent); text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 800; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.03em; }
h1 { max-width: 820px; margin: 0; font-size: clamp(2.8rem, 6vw, 5.4rem); }
h2 { margin: 0 0 18px; font-size: clamp(2rem, 4vw, 3.4rem); }
h3 { margin: 0 0 10px; }
.lead { max-width: 760px; margin: 28px 0 0; color: var(--muted); font-size: 1.18rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-block; padding: 13px 18px; border-radius: 10px; text-decoration: none; font-weight: 750; }
.button.primary { color: #fff; background: var(--accent); }
.button.secondary { background: var(--surface); border: 1px solid var(--line); }
.status-card, .card { background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.status-card { padding: 22px; }
.status-head { display: flex; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.status-head strong { color: var(--accent); }
.status-card ul { list-style: none; margin: 0; padding: 8px 0 0; }
.status-card li { display: flex; justify-content: space-between; gap: 18px; padding: 11px 0; color: var(--muted); border-bottom: 1px solid #edf1f1; font-size: .92rem; }
.status-card li:last-child { border-bottom: 0; }
.status-card b { color: var(--text); font-weight: 650; }
.section { padding: 88px 0; }
.section.alt { background: #fff; }
.section-intro { max-width: 760px; margin: 0 0 34px; color: var(--muted); font-size: 1.05rem; }
.flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.step { min-height: 255px; padding: 22px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
.step .number { display: block; margin-bottom: 40px; color: var(--accent); font-size: .8rem; font-weight: 800; }
.step p { margin-bottom: 0; color: var(--muted); font-size: .93rem; }
.demo-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 22px; }
.card { padding: 28px; }
.card-title-row { display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.facts { margin: 28px 0 0; }
.facts div, .checks div { display: flex; justify-content: space-between; gap: 22px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.facts div:last-child, .checks div:last-child { border-bottom: 0; }
.facts dt, .checks span { color: var(--muted); }
.facts dd { margin: 0; font-weight: 650; }
.mini-label { margin: 0 0 8px; color: var(--accent); font-size: .78rem; text-transform: uppercase; font-weight: 800; letter-spacing: .1em; }
.invoice-sub { margin-top: 0; color: var(--muted); }
.amount { margin: 26px 0; font-size: 2.2rem; font-weight: 800; letter-spacing: -.03em; }
.checks .ok { color: var(--accent); }
.account-map {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; gap: 12px;
  align-items: center; margin-top: 22px; padding: 24px; background: var(--surface-2); border-radius: 16px;
}
.account-map > div { min-height: 105px; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: 12px; }
.map-label { display: block; margin-bottom: 8px; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.arrow { color: var(--accent); font-size: 1.4rem; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.two-col > div > p:not(.eyebrow) { color: var(--muted); font-size: 1.08rem; }
.principles { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.principles div { display: grid; grid-template-columns: 160px 1fr; gap: 20px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.principles div:last-child { border-bottom: 0; }
.principles span { color: var(--muted); }
.roadmap { background: #172225; color: #fff; }
.roadmap .eyebrow { color: #8bd1c8; }
.roadmap-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.road { min-height: 160px; padding: 20px; border: 1px solid rgba(255,255,255,.14); border-radius: 14px; background: rgba(255,255,255,.04); }
.road.active { border-color: #73c7bc; background: rgba(115,199,188,.12); }
.road span, .road small { display: block; color: #9fb0b2; }
.road strong { display: block; margin: 28px 0 8px; font-size: 1rem; }
footer { padding: 38px 0; background: #0f181a; color: #dfe7e8; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; }
footer p { margin: 6px 0 0; color: #8fa1a4; font-size: .9rem; }
.footer-note { max-width: 360px; text-align: right; }
@media (max-width: 980px) {
  .hero-grid, .demo-grid, .two-col { grid-template-columns: 1fr; }
  .flow, .roadmap-grid { grid-template-columns: repeat(2, 1fr); }
  .account-map { grid-template-columns: 1fr; }
  .arrow { transform: rotate(90deg); justify-self: center; }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1160px); }
  .nav { margin-bottom: 44px; }
  .hero { padding-bottom: 52px; }
  .section { padding: 64px 0; }
  .flow, .roadmap-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .footer-note { text-align: left; }
  .principles div { grid-template-columns: 1fr; gap: 4px; }
}
