:root {
  --navy: #1B2A4A;
  --navy-light: #243558;
  --red: #CC1414;
  --gold: #C8860A;
  --bg: #FFFFFF;
  --bg-alt: #F4F6F9;
  --text: #1A1A1A;
  --text-muted: #555;
  --border: #D8DCE6;
  --max-width: 900px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 1rem;
}

/* ── Navbar ─────────────────────────────────────────── */

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 2px solid var(--navy);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  box-shadow: 0 2px 8px rgba(27,42,74,0.08);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo img {
  height: 52px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.nav-links a {
  display: block;
  padding: 0.45rem 0.85rem;
  color: var(--navy);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.nav-links a:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
  background: rgba(200,134,10,0.06);
}

.nav-links a.active {
  color: var(--red);
  border-bottom-color: var(--red);
}

.nav-links a.nav-login {
  margin-left: 0.75rem;
  padding: 0.4rem 1.1rem;
  background: var(--navy);
  color: #fff;
  border: 2px solid var(--navy);
  border-radius: 4px;
  font-weight: 700;
  transition: background 0.15s, color 0.15s;
}

.nav-links a.nav-login:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
  color: #fff;
  border-bottom-color: var(--navy-light);
}

/* ── Hero ────────────────────────────────────────────── */

.hero {
  background: var(--navy);
  color: #fff;
  padding: 5rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.88;
  max-width: 600px;
  margin: 0 auto;
}

.hero .hero-sub {
  display: inline-block;
  margin-top: 1.8rem;
  padding: 0.6rem 1.6rem;
  background: var(--gold);
  color: #fff;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  transition: background 0.15s;
}

.hero .hero-sub:hover {
  background: #a06e08;
}

/* ── Page header (non-landing pages) ────────────────── */

.page-header {
  background: var(--navy);
  color: #fff;
  padding: 3rem 2rem 2.5rem;
  text-align: center;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ── Main content ────────────────────────────────────── */

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 2rem 4rem;
}

main h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--gold);
}

main h3 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy-light);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

main h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-top: 1.2rem;
  margin-bottom: 0.4rem;
}

main p {
  margin-bottom: 1rem;
  color: var(--text);
}

main ul, main ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

main li {
  margin-bottom: 0.35rem;
}

/* ── Content cards / sections ───────────────────────── */

.content-section {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  border-radius: 6px;
  padding: 1.75rem 2rem;
  margin-bottom: 2rem;
}

.content-section h2 {
  margin-top: 0;
}

/* ── Images ─────────────────────────────────────────── */

.figure-block {
  margin: 1.5rem 0;
  text-align: center;
}

.figure-block img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.figure-block figcaption {
  margin-top: 0.5rem;
  font-size: 0.87rem;
  color: var(--text-muted);
  font-style: italic;
}

/* ── References ─────────────────────────────────────── */

.references {
  border-top: 2px solid var(--border);
  margin-top: 3rem;
  padding-top: 1.5rem;
}

.references h2 {
  border-bottom-color: var(--border);
}

.references p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

/* ── Pricing table ───────────────────────────────────── */

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.95rem;
}

.pricing-table th {
  background: var(--navy);
  color: #fff;
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
}

.pricing-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.pricing-table tr:nth-child(even) td {
  background: var(--bg-alt);
}

.pricing-table td em {
  color: var(--text-muted);
  font-style: normal;
  font-size: 0.87rem;
}

.note-box {
  background: #FFF8E7;
  border-left: 4px solid var(--gold);
  padding: 0.85rem 1.2rem;
  border-radius: 4px;
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
  color: var(--text);
}

.coming-soon-box {
  background: var(--bg-alt);
  border: 2px dashed var(--border);
  border-radius: 6px;
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 1rem;
  margin: 1.5rem 0;
}

/* ── Contact ─────────────────────────────────────────── */

.contact-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--navy);
  border-radius: 6px;
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
}

.contact-card h3 {
  margin-top: 0;
  color: var(--navy);
}

.contact-card a {
  color: var(--red);
  text-decoration: none;
  font-weight: 600;
}

.contact-card a:hover {
  text-decoration: underline;
}

/* ── Placeholder ─────────────────────────────────────── */

.placeholder-page {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
}

.placeholder-page .placeholder-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

.placeholder-page h2 {
  font-size: 1.5rem;
  color: var(--navy);
  border: none;
  margin-bottom: 0.5rem;
}

/* ── Footer ─────────────────────────────────────────── */

footer {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  padding: 2.5rem 2rem;
  text-align: center;
  font-size: 0.88rem;
  margin-top: auto;
}

footer strong {
  color: #fff;
}

footer a {
  color: var(--gold);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

footer .footer-divider {
  margin: 0 0.5rem;
  opacity: 0.4;
}

/* ── Responsive ─────────────────────────────────────── */

@media (max-width: 700px) {
  nav {
    flex-direction: column;
    height: auto;
    padding: 1rem;
    gap: 0.75rem;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.15rem;
  }

  .nav-links a {
    font-size: 0.85rem;
    padding: 0.35rem 0.6rem;
  }

  .hero h1 {
    font-size: 1.7rem;
  }

  main {
    padding: 2rem 1.25rem 3rem;
  }
}