:root {
  --teal: #006d77;
  --teal-soft: #0ea5a8;
  --dark: #102a43;
  --light: #f5f7fa;
  --card: #ffffff;
  --border: #dde3ec;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 180px; /* global offset for sticky header */
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.hero {
  background: radial-gradient(circle at top left, var(--teal-soft), var(--dark));
  color: #ffffff;
  padding: 1.5rem 1rem 2rem;
  position: sticky;
  top: 0;
  z-index: 10;
}

.hero-inner {
  max-width: 1040px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  width: 70px;
  height: 70px;
  border-radius: 18px;
  box-shadow: 0 8px 18px rgba(0,0,0,0.35);
  background: #003840;
}

h1 {
  margin: 0;
  font-size: 1.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tagline {
  margin: 0.25rem 0 0;
  font-weight: 500;
}

.sub-tagline {
  margin: 0.1rem 0 0;
  font-size: 0.9rem;
  opacity: 0.9;
}

.nav {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nav a {
  color: #e4f9f6;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(12px);
}

.nav a:hover {
  background: rgba(255,255,255,0.18);
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.section {
  background: var(--card);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  margin-top: 1.25rem;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.06);
  border: 1px solid var(--border);
  scroll-margin-top: 180px; /* section-specific offset */
}

.section h2 {
  margin-top: 0;
  font-size: 1.4rem;
}

.section-grid {
  display: grid;
  gap: 1.25rem;
}

.section-grid .section-header {
  grid-column: 1 / -1;
}

.card {
  background: #f9fbff;
  border-radius: 12px;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
}

.card h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.chip {
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  background: #e0f5f2;
  color: #045c54;
  font-size: 0.85rem;
}

.note {
  font-size: 0.9rem;
  color: #4b5563;
  margin-top: 0.75rem;
}

.faq + .faq {
  margin-top: 0.8rem;
}

.faq h3 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.contact-grid {
  display: grid;
  gap: 1rem;
}

.contact-note {
  background: #eefaf7;
  padding: 0.9rem 1rem;
  border-radius: 12px;
  border: 1px solid #c5ece5;
  font-size: 0.95rem;
}

.footer {
  text-align: center;
  padding: 1rem 0 1.5rem;
  font-size: 0.85rem;
  color: #6b7280;
}

a {
  color: var(--teal);
}

@media (min-width: 720px) {
  .section-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .contact-grid {
    grid-template-columns: 2fr 1.5fr;
  }
}