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

/* Base Body Styles */
body {
  font-family: 'Poppins', sans-serif;
  background: linear-gradient(to bottom right, #f7fafd, #e3f2fd);
  color: #333;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* Navbar */
.navbar {
  background: linear-gradient(to right, #004b91, #0066cc);
  color: #fff;
  padding: 1rem 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar .container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

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

.logo {
  height: 50px;
  width: 50px;
  object-fit: cover;
  border-radius: 50%;
}

.navbar h1 {
  font-size: 1.6rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 1px;
}

.navbar nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.navbar nav a {
  color: #ffffff;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 6px;
  transition: background 0.3s ease;
}

.navbar nav a:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.navbar nav a.active {
  background-color: #ffffff;
  color: #004b91;
  font-weight: 600;
}

/* Hero Section */
.hero {
  padding: 4rem 2rem;
  text-align: center;
  background: linear-gradient(to right, #9ad0ec, #bcdffb);
  color: #003e7e;
}

.hero-logo {
  width: 100px;
  margin: 0 auto 1rem auto;
  display: block;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  max-width: 800px;
  margin: auto;
}

/* Info Section */
.info-section {
  background-color: #f5faff;
  padding: 60px 20px;
  text-align: center;
}

.info-section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #003366;
}

.info-section p {
  max-width: 800px;
  margin: 10px auto;
  font-size: 1rem;
  line-height: 1.6;
  color: #333;
}

/* Card Section */
.card-section {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: auto;
}

.card {
  background: #ffffff;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
  width: 260px;
  text-align: center;
  transition: transform 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  color: #004aad;
  margin-bottom: 1rem;
}

.card p {
  color: #333;
}

/* Principal Message */
.principal-message {
  background-color: #e6f4ff;
  padding: 60px 20px;
  text-align: center;
}

.principal-message h2 {
  font-size: 2rem;
  color: #003366;
  margin-bottom: 1rem;
}

.principal-message p {
  max-width: 800px;
  margin: 10px auto;
  font-size: 1.05rem;
  color: #333;
}

/* Campus */
.campus {
  padding: 60px 20px;
  text-align: center;
}

.campus h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: #003366;
}

.campus-img {
  max-width: 90%;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
  margin-top: 1rem;
}

/* Gallery */
.gallery {
  background: #f1f8ff;
  padding: 60px 20px;
  text-align: center;
}

.gallery h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #003366;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 30px;
  padding: 0 1rem;
}

.gallery-grid a {
  overflow: hidden;
  border-radius: 12px;
  display: block;
  position: relative;
}

.gallery-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 12px;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.gallery-grid a:hover img {
  transform: scale(1.05);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 40px 20px;
}

.lightbox:target {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 80vh;
  border-radius: 12px;
}

.lightbox .close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 2.5rem;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}

/* Footer */
footer {
  background: #003b7a;
  color: #fff;
  text-align: center;
  padding: 1.5rem;
  font-size: 0.95rem;
  margin-top: 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  background: #0066cc;
  color: #fff;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s ease;
  text-align: center;
  margin-top: 10px;
}

.btn:hover {
  background: #004c99;
}

/* Hamburger Toggle - Responsive */
.menu-toggle {
  font-size: 28px;
  display: none;
  cursor: pointer;
  user-select: none;
  color: white;
}

/* Responsive Design */
@media (max-width: 768px) {
  .navbar .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .menu-toggle {
    display: block;
    margin-left: auto;
    padding: 0.5rem 0;
  }

  .navbar nav {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
  }

  .navbar nav.active {
    display: flex;
  }

  .navbar nav a {
    width: 100%;
    padding: 12px 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .hero h2 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .card-section {
    flex-direction: column;
    align-items: center;
  }

  .card {
    width: 90%;
  }

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

  footer {
    font-size: 0.85rem;
    padding: 1rem;
  }
}