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

body {
  font-family: "Open Sans", sans-serif;
  color: #333;
}

h1,
h2 {
  font-weight: 600;
  color: #204051;
}

p {
  font-weight: 400;
  line-height: 1.6;
}

/* Logo Styling */
.logo {
  float: left;
  margin-left: 30px;
}

.logo img {
  height: 50px; /* Adjust based on your logo size */
  width: auto;
  transition: transform 0.3s ease;
}

.logo img:hover {
  transform: scale(1.1); /* Slight hover effect for logo */
}

/* Navbar Styling */
header {
  background-color: #204051;
  padding: 1rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

nav {
  flex-grow: 1;
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  z-index: 10; /* Ensure nav stays on top */
  margin-right: 30px; /* Add space to the right */
}

nav ul li {
  margin: 0 20px;
  position: relative;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: 600;
  padding: 10px 20px;
  transition: background-color 0.3s ease, color 0.3s ease;
  border-radius: 5px;
}

nav ul li a:hover {
  background-color: #85c1e9;
  color: #fff;
}

nav ul li ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #1f1e1edd;
  border-radius: 5px;
}

nav ul li:hover ul {
  display: block;
}

nav ul li ul li a {
  padding: 10px;
  display: block;
  white-space: nowrap;
}

nav ul li ul li a:hover {
  background-color: #85c1e9;
}

/* Responsive Navigation */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    flex-direction: column;
    align-items: flex-start;
    margin-right: 0;
  }

  .logo {
    margin-left: 0;
    margin-bottom: 10px;
  }

  nav ul li {
    margin: 10px 0;
  }
}

/* Header Section */
.history-header {
  background-image: url("images/history-institute.png");
  height: 60vh;
  background-size: cover;
  background-position: center;
  position: relative;
}

.history-header .overlay {
  background: rgba(0, 0, 0, 0.201);
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

.history-header .header-content {
  position: relative;
  text-align: center;
  color: #fff;
  top: 50%;
  transform: translateY(-50%);
}

.history-header h1 {
  font-size: 3rem;
}

/* Intro Section */
.intro-section {
  padding: 40px 20px;
  text-align: center;
}

.intro-section .container {
  max-width: 1000px;
  margin: 0 auto;
}

/* Styling for the Image Row */
.image-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.image-row img {
  width: 45%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Hover Effect on Images */
.image-row img:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
}

/* Responsive Design for Smaller Screens */
@media (max-width: 768px) {
  .image-row {
    flex-direction: column;
  }

  .image-row img {
    width: 100%;
    margin-bottom: 20px;
  }
}

/* Mission Section */
.mission-section {
  background-color: #f4f9f9;
  padding: 40px 20px;
  text-align: center;
}

.mission-section .container {
  max-width: 1200px;
  margin: 0 auto;
}

.mission-section h2 {
  margin-bottom: 20px;
}

.mission-features {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.feature-card {
  background: #fff;
  padding: 20px;
  margin: 10px;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  flex-basis: 45%;
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-10px);
}

.feature-card h3 {
  color: #3b6978;
  margin-bottom: 10px;
}

/* Back to Top Button */
#backToTopBtn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #204051;
  color: white;
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  display: none;
}

#backToTopBtn:hover {
  background-color: #85c1e9;
}

/* CTA Section */
.cta-section {
  padding: 40px 20px;
  text-align: center;
  background-color: #3b6978;
  color: #fff;
}

.cta-section .cta-button {
  background-color: #204051;
  color: #fff;
  padding: 15px 30px;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.cta-section .cta-button:hover {
  background-color: #85c1e9;
}

/* Footer */
footer {
  background-color: #204051;
  color: #fff;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  height: 60px;
}