:root {
  --blue: #0b4fa3;
  --maroon: #8b1c1c;
  --light-blue: #eaf2fb;
  --black: #111;
  --grey: #666;
}

.site-header {
  background: #fff;
  border-bottom: 3px solid var(--blue);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-area img {
  width: 55px;
  height: 55px;
  object-fit: contain;
}

.school-name h1 {
  font-size: 18px;
  color: var(--blue);
  margin: 0;
}

.school-name span {
  font-size: 13px;
  color: var(--maroon);
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  gap: 25px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  color: var(--black);
  font-weight: 600;
  font-size: 15px;
  transition: 0.3s;
}

.main-nav a:hover {
  color: var(--maroon);
}

.contact-btn {
  padding: 8px 14px;
  background: var(--maroon);
  color: #fff !important;
  border-radius: 4px;
}