:root {
  --bg: #f7fafb;
  --surface: #ffffff;
  --surface-muted: #eef6f7;
  --text: #102027;
  --muted: #5b6b73;
  --line: #d8e4e8;
  --accent: #0a6f83;
  --accent-dark: #084f61;
  --accent-soft: #dff3f5;
  --shadow: 0 18px 45px rgba(16, 32, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a {
  color: var(--accent-dark);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1160px;
  margin: 0 auto;
  padding: 22px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0;
  white-space: nowrap;
}

.brand:hover,
.brand:focus {
  text-decoration: none;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 2px solid var(--accent);
  border-radius: 8px;
  position: relative;
  background: var(--surface);
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  background: var(--accent);
}

.brand-mark::before {
  width: 10px;
  height: 2px;
  left: 7px;
  top: 8px;
}

.brand-mark::after {
  width: 2px;
  height: 10px;
  right: 8px;
  bottom: 6px;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
}

.site-nav a {
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 8px;
}

.site-nav a:hover,
.site-nav a:focus,
.site-nav a.active {
  color: var(--accent-dark);
  background: var(--accent-soft);
  text-decoration: none;
}

main {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px 56px;
}

.hero,
.page-hero {
  padding: 76px 0 64px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  align-items: center;
  gap: 48px;
}

.hero-copy {
  max-width: 720px;
}

.page-hero {
  max-width: 860px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  max-width: 900px;
  font-size: clamp(38px, 6vw, 70px);
}

h2 {
  font-size: clamp(26px, 3vw, 38px);
}

h3 {
  font-size: 20px;
}

p {
  margin: 16px 0 0;
}

.lead {
  color: #2f434c;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.45;
  max-width: 850px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(16, 32, 39, 0.04);
}

.button:hover,
.button:focus {
  border-color: var(--accent);
  color: var(--accent-dark);
  text-decoration: none;
}

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

.button.primary:hover,
.button.primary:focus {
  background: var(--accent-dark);
  color: #ffffff;
}

.system-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  padding: 18px;
  box-shadow: var(--shadow);
}

.panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.panel-row:last-child {
  border-bottom: 0;
}

.panel-row span {
  color: var(--muted);
  font-size: 14px;
}

.panel-row strong {
  text-align: right;
}

.panel-row.emphasis {
  color: var(--accent-dark);
}

.section {
  padding: 54px 0;
  border-top: 1px solid var(--line);
}

.section.compact {
  padding-top: 28px;
}

.section.tinted {
  margin-left: -24px;
  margin-right: -24px;
  padding-left: 24px;
  padding-right: 24px;
  background: var(--surface-muted);
}

.section.narrow {
  max-width: 820px;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 28px;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px;
}

.value-grid,
.doc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.doc-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.feature,
.callout,
.support-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.card {
  padding: 24px;
}

.card h2,
.card h3 {
  font-size: 20px;
}

.card p {
  color: var(--muted);
}

.feature-list {
  display: grid;
  gap: 18px;
}

.feature {
  padding: 26px;
}

.feature ul,
.check-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.feature li,
.check-list li {
  position: relative;
  margin: 0 0 12px;
  padding-left: 24px;
  color: #334a54;
}

.feature li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.check-list.two {
  columns: 2;
  column-gap: 42px;
  margin-top: 0;
}

.check-list.two li {
  break-inside: avoid;
}

.notice {
  display: inline-block;
  margin-top: 22px;
  padding: 12px 14px;
  border: 1px solid #b8dbe1;
  border-radius: 8px;
  background: #eefbfc;
  color: var(--accent-dark);
  font-weight: 700;
}

.cta-note {
  margin-top: 20px;
  color: #334a54;
  font-weight: 700;
}

.callout {
  padding: 26px;
  background: #fbfdfd;
}

.callout h2 {
  font-size: 22px;
}

.support-panel {
  padding: 26px;
}

.site-footer {
  max-width: 1160px;
  margin: 0 auto;
  padding: 28px 24px 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--accent-dark);
  font-weight: 700;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .hero {
    grid-template-columns: 1fr;
    padding-top: 44px;
  }

  .page-hero {
    padding-top: 44px;
  }

  .two-column,
  .value-grid,
  .doc-grid {
    grid-template-columns: 1fr;
  }

  .check-list.two {
    columns: 1;
  }
}

@media (max-width: 520px) {
  .site-header,
  main,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .section.tinted {
    margin-left: -18px;
    margin-right: -18px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .site-nav a {
    padding: 7px 8px;
  }

  .actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .panel-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .panel-row strong {
    text-align: left;
  }
}