:root {
  --navy: #0b1a30;
  --cyan: #00e5ff;
  --text: #14263e;
  --muted: #5d6e83;
  --line: #e2e8f0;
  --surface: #f5f7fb;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 95px;
}
body {
  margin: 0;
  color: var(--text);
  font-family:
    Inter,
    Segoe UI,
    Arial,
    sans-serif;
  background: white;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
button,
a {
  touch-action: manipulation;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid #00869a;
  outline-offset: 5px;
}
header {
  position: sticky;
  top: 0;
  background: #ffffffed;
  backdrop-filter: blur(12px);
  z-index: 3;
  border-bottom: 1px solid var(--line);
}
.nav {
  max-width: 1180px;
  padding: 22px 24px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  font-size: 19px;
  font-weight: 850;
  letter-spacing: -0.055em;
  text-decoration: none;
  color: var(--navy);
}
.brand span {
  color: #007d91;
}
.nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
  font-size: 13px;
}
.nav-links a {
  text-decoration: none;
}
.nav-links a:hover {
  text-decoration: underline;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--navy);
  color: white !important;
  padding: 11px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}
.button:hover {
  background: #17385c;
}
.hero {
  padding: 24px 24px 0;
  max-width: 1228px;
  margin: auto;
}
.demo-frame {
  display: block;
  width: 100%;
  height: 720px;
  border: 0;
  background: var(--surface);
  border-radius: 28px;
}
.section {
  max-width: 1140px;
  margin: auto;
  padding: 86px 24px;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 800;
  color: #007a8f;
}
.section h1,
.section h2 {
  font-size: clamp(29px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.045em;
  max-width: 750px;
  margin: 15px 0 20px;
}
.lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 710px;
}
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}
.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  background: white;
}
.card-number {
  color: #00798d;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.card h3 {
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin: 20px 0 12px;
}
.card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}
.cost-section {
  background: var(--navy);
  color: white;
}
.cost-section .section {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.cost-section .eyebrow {
  color: #54e5f4;
}
.cost-section .lead {
  color: #b6c4d6;
}
.calculation {
  background: #142a43;
  border: 1px solid #2b4461;
  border-radius: 20px;
  padding: 28px;
}
.calc-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  font-size: 14px;
  color: #bbcee2;
  padding: 15px 0;
  border-bottom: 1px solid #2e435c;
}
.calc-line strong {
  font-size: 23px;
  color: white;
  white-space: nowrap;
  letter-spacing: -0.025em;
}
.calc-line.result {
  border: 0;
}
.calc-line.result strong {
  color: var(--cyan);
}
.calc-note {
  font-size: 11px;
  color: #b6c4d6;
  line-height: 1.8;
}
.faq {
  max-width: 800px;
}
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.faq summary {
  cursor: pointer;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.5;
}
.faq details p {
  line-height: 1.8;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 0;
}
.availability {
  background: var(--surface);
  text-align: center;
  padding: 56px 24px;
  border-radius: 22px;
  max-width: 1092px;
  margin: 0 auto 64px;
}
.availability h2 {
  font-size: 29px;
  letter-spacing: -0.04em;
  margin: 14px 0;
}
.availability p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
  max-width: 580px;
  margin: 0 auto 24px;
}
.availability .eyebrow {
  color: #00778a;
}
.badge {
  display: inline-block;
  font-size: 11px;
  border-radius: 20px;
  background: #e1eff1;
  color: #006b7c;
  padding: 8px 12px;
  font-weight: 700;
}
footer {
  border-top: 1px solid var(--line);
  padding: 32px 24px;
}
.footer-content {
  max-width: 1092px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--muted);
  font-size: 12px;
}
.footer-links {
  display: flex;
  gap: 20px;
}
.footer-note {
  max-width: 1092px;
  margin: 20px auto 0;
  font-size: 11px;
  line-height: 1.7;
  color: #6a788a;
}
.legal {
  max-width: 820px;
}
.legal h2 {
  font-size: 24px;
  margin-top: 36px;
}
.legal p,
.legal li {
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.legal .notice {
  padding: 18px;
  background: var(--surface);
  border-left: 3px solid #00889c;
  border-radius: 8px;
  margin: 24px 0;
}
.legal .button {
  margin-top: 12px;
}
.skip-link {
  position: fixed;
  left: 14px;
  top: -100px;
  background: white;
  padding: 12px;
  z-index: 10;
}
.skip-link:focus {
  top: 10px;
}
@media (max-width: 800px) {
  .nav {
    padding: 18px;
  }
  .nav-links {
    gap: 14px;
    font-size: 12px;
  }
  .nav-links .secondary {
    display: none;
  }
  .hero {
    padding: 16px 12px 0;
  }
  .demo-frame {
    height: 1080px;
    border-radius: 20px;
  }
  .cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .section {
    padding: 56px 22px;
  }
  .cost-section .section {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .card {
    padding: 24px;
  }
  .card h3 {
    margin-top: 14px;
  }
  .footer-content {
    align-items: flex-start;
    flex-direction: column;
  }
  .footer-links {
    flex-wrap: wrap;
  }
  .availability {
    margin: 0 16px 40px;
  }
}
@media (max-width: 380px) {
  .demo-frame {
    height: 1100px;
  }
  .nav-links {
    gap: 10px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}