:root {
  --bg: #f4f8fb;
  --text: #102235;
  --muted: #4d6278;
  --surface: #ffffff;
  --line: #d9e5ef;
  --brand: #0b5fae;
  --brand-dark: #084884;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(180deg, #f8fbfe 0%, #f2f7fb 100%);
  color: var(--text);
  padding-top: 88px;
  padding-bottom: 84px;
}

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

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

a:hover {
  color: var(--brand-dark);
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  min-height: 88px;
  padding: 0.9rem 1.8rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(7, 38, 73, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 1000;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.left-nav,
.right-nav {
  flex: 1;
}

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

.right-nav {
  justify-content: flex-end;
}

.nav-links a {
  color: #1f3952;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.nav-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 54px;
  width: auto;
  object-fit: contain;
}

.separator {
  width: calc(100% - 3rem);
  max-width: 1400px;
  height: 1px;
  background: var(--line);
  margin: 2rem auto;
}

footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  background: #0b2741;
  color: #d9e8f6;
  text-align: center;
  padding: 1.1rem 1rem;
  border-top: 1px solid #18456e;
  z-index: 1000;
}

@media (max-width: 1024px) {
  body {
    padding-top: 80px;
  }

  .navbar {
    min-height: 80px;
    padding: 0.7rem 1rem;
    gap: 0.6rem;
  }

  .nav-links {
    gap: 0.7rem;
  }

  .nav-links a {
    font-size: 0.88rem;
  }

  .nav-logo-img {
    height: 46px;
  }
}

@media (max-width: 768px) {
  body {
    padding-top: 150px;
  }

  .navbar {
    flex-direction: column;
    align-items: stretch;
    min-height: 150px;
    padding: 0.65rem 0.8rem;
    gap: 0.4rem;
  }

  .nav-links,
  .left-nav,
  .right-nav {
    justify-content: center;
    flex-wrap: wrap;
    flex: 0;
  }

  .nav-links {
    gap: 0.45rem 0.85rem;
  }

  .nav-logo {
    order: -1;
  }

  .nav-links a {
    font-size: 0.84rem;
  }

  .separator {
    width: calc(100% - 1.4rem);
    margin: 1.5rem auto;
  }

  body {
    padding-bottom: 76px;
  }

  footer {
    padding: 0.9rem 0.8rem;
  }
}