:root {
  --bts-navy: #071f3a;
  --bts-blue: #0b2a5b;
  --bts-blue-light: #123f7c;
  --bts-gold: #d4af37;
  --bts-gold-bright: #f4d03f;
  --bts-white: #ffffff;
  --bts-light: #f5f7fa;
  --bts-text: #1f2937;
  --bts-muted: #5b6472;
  --bts-border: #dfe5ec;
}

.secondary-page,
.secondary-page * {
  box-sizing: border-box;
}

.secondary-page {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--bts-text);
  background: var(--bts-light);
  line-height: 1.6;
}

.secondary-page a {
  color: inherit;
}

.site-header {
  background: linear-gradient(135deg, var(--bts-navy), #09284b);
  color: var(--bts-white);
  padding: 24px 34px;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.site-logo {
  width: 68px;
  height: auto;
}

.site-brand h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
}

.site-brand p {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(15px, 2vw, 20px);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.site-nav a,
.site-nav a:visited {
  background: var(--bts-gold);
  color: var(--bts-navy);
  padding: 10px 15px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 800;
  font-size: 15px;
}

.site-nav a:hover,
.site-nav a.active {
  background: var(--bts-gold-bright);
}

.sub-hero {
  background: radial-gradient(circle at center, #173f78 0%, var(--bts-blue) 48%, #061d37 100%);
  color: var(--bts-white);
  text-align: center;
  padding: 74px 20px 64px;
}

.sub-hero-inner {
  max-width: 980px;
  margin: 0 auto;
}

.sub-hero h2,
.sub-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.1;
}

.sub-hero p {
  margin: 0 auto 24px;
  max-width: 760px;
  font-size: clamp(17px, 2vw, 22px);
  color: rgba(255, 255, 255, 0.93);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}

.site-btn,
.site-btn:visited {
  display: inline-block;
  border: 2px solid transparent;
  border-radius: 9px;
  padding: 12px 18px;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  font-size: 16px;
}

.site-btn-primary,
.site-btn-primary:visited {
  background: var(--bts-gold-bright);
  color: var(--bts-navy);
}

.site-btn-primary:hover {
  background: var(--bts-white);
}

.site-btn-outline,
.site-btn-outline:visited {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.65);
  color: var(--bts-white);
}

.site-btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
}

.page-shell {
  width: min(1050px, calc(100% - 32px));
  margin: 36px auto 58px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(245px, 1fr));
  gap: 20px;
}

.info-card {
  background: var(--bts-white);
  border: 1px solid var(--bts-border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 7px 20px rgba(7, 31, 58, 0.08);
  margin-bottom: 20px;
}

.info-card h2,
.info-card h3 {
  color: var(--bts-blue);
  margin-top: 0;
}

.info-card.notice {
  border-left: 6px solid var(--bts-gold);
}

.check-list {
  padding-left: 22px;
  margin-bottom: 0;
}

.check-list li {
  margin-bottom: 9px;
}

.price-line {
  font-size: 22px;
}

.pay-box {
  background: #f8f2d9;
  border-left: 5px solid var(--bts-gold);
  border-radius: 8px;
  padding: 14px 16px;
}

.small-note {
  color: var(--bts-muted);
  font-size: 14px;
}

.resource-card a,
.resource-card a:visited {
  color: var(--bts-blue);
  font-weight: 800;
}

.resource-card p {
  margin-bottom: 0;
}

.site-footer {
  background: var(--bts-navy);
  color: var(--bts-white);
  text-align: center;
  padding: 25px 20px;
}

.site-footer p {
  margin: 5px 0;
}

.site-footer a,
.site-footer a:visited {
  color: var(--bts-gold-bright);
}

.floating-call,
.floating-call:visited {
  position: fixed;
  right: 18px;
  bottom: 18px;
  background: #28a745;
  color: #ffffff;
  padding: 13px 17px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
  z-index: 50;
}

.floating-call:hover {
  background: #218838;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.62);
  padding: 20px;
  z-index: 100;
}

.modal-backdrop.is-open {
  display: flex;
}

.modal-panel {
  width: min(520px, 100%);
  background: var(--bts-white);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.modal-header h2 {
  margin: 0;
  color: var(--bts-blue);
}

.modal-close {
  border: 0;
  background: #e9edf2;
  border-radius: 8px;
  padding: 9px 12px;
  cursor: pointer;
  font-weight: 800;
}

.modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.modal-actions .site-btn-outline {
  color: var(--bts-blue);
  border-color: var(--bts-blue);
}

.error-page {
  min-height: 65vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 40px 20px;
}

.error-box {
  max-width: 650px;
  background: var(--bts-white);
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 10px 30px rgba(7, 31, 58, 0.12);
}

.error-code {
  font-size: clamp(64px, 12vw, 120px);
  line-height: 1;
  color: var(--bts-blue);
  font-weight: 900;
}

@media (max-width: 720px) {
  .site-header {
    padding: 22px 18px;
  }

  .site-brand {
    align-items: flex-start;
  }

  .site-logo {
    width: 58px;
  }

  .site-nav a {
    font-size: 14px;
    padding: 9px 12px;
  }

  .sub-hero {
    padding: 58px 18px 50px;
  }

  .floating-call {
    right: 12px;
    bottom: 12px;
    padding: 12px 15px;
  }
}

/* Compact secondary-page navigation */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding: 16px 20px 24px;
}

.site-nav a {
  padding: 12px 15px;
  font-size: 16px;
  white-space: nowrap;
}

@media (max-width: 700px) {
  .site-nav {
    padding: 14px 18px 20px;
  }

  .site-nav a {
    width: 100%;
    text-align: center;
  }
}

/* Brand name on secondary pages without using the page H1 */
.site-brand .brand-name {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.05;
  font-weight: 700;
  color: var(--bts-white);
}

/* Preserve the former H2 appearance on the 404 page */
.error-box h1 {
  font-size: 1.5em;
  margin: 0.83em 0;
}