:root {
  color-scheme: light;
  --bg: #f5f7f6;
  --ink: #18211f;
  --muted: #5b6865;
  --line: #d8e0dd;
  --surface: #ffffff;
  --primary: #176f61;
  --primary-dark: #0d5146;
  --accent: #c9891f;
}

* {
  box-sizing: border-box;
}

html {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

body {
  margin: 0;
  min-height: 100vh;
}

a {
  color: var(--primary-dark);
  text-decoration-thickness: 0.09em;
  text-underline-offset: 0.18em;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
  position: sticky;
  top: 0;
  backdrop-filter: blur(16px);
}

.nav {
  max-width: 980px;
  margin: 0 auto;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
}

.nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: flex-end;
  font-size: 0.94rem;
  font-weight: 650;
}

.hero,
.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 64px 22px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 14px 0 16px;
  font-size: clamp(2.3rem, 7vw, 4.7rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin: 34px 0 12px;
  font-size: clamp(1.45rem, 3vw, 2rem);
  letter-spacing: 0;
}

h3 {
  margin: 22px 0 8px;
}

p,
li {
  color: var(--muted);
  line-height: 1.65;
}

.lead {
  font-size: 1.12rem;
  max-width: 650px;
}

.actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 8px;
  border: 1px solid var(--line);
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.button.secondary {
  background: var(--surface);
  color: var(--ink);
}

.phone-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 24px 70px rgba(31, 46, 43, 0.14);
}

.screen {
  border-radius: 8px;
  background: #122621;
  color: #fff;
  padding: 22px;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric {
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 12px;
}

.metric strong {
  display: block;
  font-size: 1.4rem;
}

.metric span {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
}

.question-card {
  margin-top: 22px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  padding: 16px;
}

.answer {
  margin-top: 10px;
  border-radius: 8px;
  background: rgba(23, 111, 97, 0.92);
  padding: 12px;
  font-weight: 750;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 36px;
}

.feature,
.notice,
.doc-section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.feature strong {
  display: block;
  margin-bottom: 8px;
}

.doc-section {
  margin: 16px 0;
}

.notice {
  border-left: 5px solid var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 28px 22px;
  color: var(--muted);
  text-align: center;
}

.legal-meta {
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero,
  .page {
    padding-top: 42px;
  }

  .hero-grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .screen {
    min-height: 330px;
  }
}