:root {
  --bg: #f4f9ff;
  --surface: #ffffff;
  --primary: #0d5cab;
  --primary-dark: #0a4a8a;
  --secondary: #1f7ed0;
  --muted: #4f6b85;
  --text: #12324f;
  --border: #d9e7f5;
  --success: #1a8b58;
  --danger: #b83232;
  --radius: 14px;
  --shadow: 0 12px 28px rgba(13, 92, 171, 0.1);
  --container: 1140px;
}

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

body {
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
  color: var(--text);
  line-height: 1.6;
}

img,
svg {
  max-width: 100%;
  display: block;
}

.container {
  width: min(var(--container), 92%);
  margin: 0 auto;
}

.top-strip {
  background: #0a4a8a;
  color: #dceeff;
  font-size: 0.85rem;
  padding: 8px 0;
}

.top-strip .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--primary-dark);
  text-decoration: none;
  font-size: 1.03rem;
  white-space: nowrap;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: 8px;
  background: #ffffff;
}

.nav-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: 999px;
}

.nav-links a:hover {
  color: var(--primary-dark);
}

.nav-links a.active {
  color: var(--primary-dark);
  background: #d7ebff;
  border-color: #b7d8fb;
}

.section-title {
  color: var(--primary-dark);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.btn {
  display: inline-block;
  text-decoration: none;
  border: 1px solid transparent;
  background: var(--primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}

.btn.secondary {
  border-color: var(--border);
  background: #fff;
  color: var(--primary-dark);
}

.btn.secondary:hover {
  background: #f3f9ff;
}

footer {
  margin-top: 58px;
  background: #0d3259;
  color: #d9eaff;
  padding: 34px 0;
}

.footer-grid {
  display: grid;
  gap: 10px;
}

.footer-brand {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.footer-note,
.footer-contact,
.copyright {
  color: #c9def6;
  font-size: 0.95rem;
}

@media (max-width: 760px) {
  .site-nav .container {
    padding: 10px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    gap: 10px;
  }
}