body {
      margin: 0;
      padding-top: 100px; /* Adjust this to your header height */
      font-family: Arial, sans-serif;
      position: relative;
    }

    /* Light overlay to soften background */
    body::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: rgba(255, 255, 255, 0.4); /* adjust opacity for lighter effect */
      z-index: -1; /* keep overlay behind content */
    }

    /* Header with logo + nav */
    header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 20px;
  padding: 10px 20px;
  background-color: rgba(255, 255, 255, 0.95);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-sizing: border-box;
  height: 90px; /* slightly taller for bigger text */
}

.logo {
  max-height: 200px;
}

/* Navigation Menu */
nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

nav ul li {
  position: relative;
}
.navbar-nav .nav-link {
  font-size: 1.3rem !important;
  color: rgb(6, 47, 88) !important;
  font-weight: bold;
}

nav ul li a {
  display: block;
  padding: 12px 18px;       /* more spacing around text */
  color: rgb(6, 47, 88);    /* darker blue for readability */
  text-decoration: none;
  font-weight: bold;
  font-size: 1.4rem;        /* bigger font size */
  border-radius: 5px;
  transition: background-color 0.3s ease;
  white-space: nowrap;
}

nav ul li ul li a {
  padding: 10px 14px;
  color: rgb(85, 106, 127);
  font-size: 1.4rem;        /* bigger dropdown font size */
  border-radius: 0;
}


nav ul li a:hover {
  background-color: #e6f0ff; /* light blue hover */
  color: #003366;            /* darker hover text */
}

nav ul li a.active {
  background-color: rgb(85, 106, 127);
  color: white;
  box-shadow: 0 0 5px rgba(0,0,0,0.3);
}

/* Dropdown menu */
nav ul li ul {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  list-style: none;
  margin: 0;
  padding: 0;
  min-width: 180px;
  background: white;
  border: 1px solid #ccc;
  z-index: 999;
}

nav ul li ul li a {
  padding: 10px 14px;
  color: rgb(6, 47, 88);
  font-size: 1.4rem;   /* bigger dropdown text */
  border-radius: 0;
}

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

/* Responsive */
@media (max-width: 600px) {
  header {
    flex-direction: column;
    align-items: center;
    height: auto;
  }
  nav ul {
    flex-direction: column;
    align-items: center;
  }
  nav ul li ul {
    position: static;
    border: none;
  }
}

/* Structure */
.discipline-section {
  background-color: #f9f9f9;
  padding: 60px 20px;
  font-family: Arial, sans-serif;
}

.discipline-section h1 {
  font-size: 2.6rem;       /* Bigger heading */
  color: #003366;
  margin-bottom: 20px;
  font-weight: bold;
}

.discipline-section img.discipline-img {
  width: 100%;
  max-width: 700px;        /* Keeps image neat */
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.discipline-section p {
  font-size: 1.3rem;       /* Bigger paragraph text */
  color: #444;
  line-height: 1.6;
  max-width: 900px;
  margin: 0 auto;
}

/* General card styling */
.card {
  border: 2px solid #003366;       /* dark blue border */
  border-radius: 10px;             /* rounded corners */
  background-color: #f9f9f9;       /* light background */
  box-shadow: 0 4px 8px rgba(0,0,0,0.1); /* subtle shadow */
  transition: transform 0.4s ease; /* hover effect */
}

.card:hover {
  transform: translateY(-5px);     /* lift on hover */
}

/* Headings inside cards */
.card h4 {
  font-size: 1.6rem;               /* bigger font */
  font-weight: bold;
  color: #003366;                  /* dark blue */
  margin-bottom: 15px;
}

/* Paragraphs inside cards */
.card p {
  font-size: 1.6rem;               /* increase font size */
  color: #444;                     /* dark gray text */
  line-height: 1.6;                /* better readability */
}

/* Optional: italic text styling */
.card p i {
  color: #555;                     /* softer gray for italics */
}






    /* Collapsible slideshow container */
    .slideshow-container {
      max-width: 600px;
      margin: 20px auto;
      background: rgba(255, 255, 255, 0.85);
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.2);
      overflow: hidden;
    }
    .slideshow-header {
      background-color: rgb(25, 5, 244);
      color: white;
      padding: 12px 20px;
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      font-size: 1.2em;
    }
    .slideshow-content {
      display: none;
      padding: 10px 20px 20px 20px;
    }

    .slideshow-content img {
      width: 100%;
      height: auto;
      margin-bottom: 10px;
      border-radius: 5px;
    }
img.img-fluid.w-100 {
  width: 100%;       /* full screen width */
  height: 600px;     /* fixed height */
  object-fit: cover; /* crops proportionally to fill the box */

}

/* Internship Section Styling */
section .card h4 {
  font-weight: bold;          /* Bold heading */
  font-size: 22px;            /* Adjust heading size */
  color: rgb(3, 42, 81);      /* Dark blue heading color */
  margin-bottom: 15px;        /* Space below heading */
}

section .card p {
  font-size: 15px;            /* Paragraph font size */
  color: rgb(27, 27, 26);     /* Dark gray text color */
  font-family: "Segoe UI", Arial, sans-serif; /* Clean font */
  line-height: 1.4;           /* Adjust spacing between lines */
}

<!-- mainpage image-->
.carousel-item img {
  height: 500px;       /* Fixed height for all images */
  object-fit: cover;   /* Crop/fit images neatly */
}

/* about us */
.about-section {
  width: 100%;
  padding: 40px 60px; /* increase side padding */
  box-sizing: border-box;
}

.container {
  max-width: 1200px; /* increase container width */
  margin: 0 auto;
}

.about-section .content {
  font-size: 1.3rem;
  color: #444;
  line-height: 1.6;
}

/* Optional: reduce side gaps for smaller screens */
@media (max-width: 768px) {
  .about-section {
    padding: 20px 30px;
  }
}

/* Registration form */
/* Form Styling */
.section-title {
  margin-top: 20px;
  color: #004080; /* consistent blue for all sections */
  font-weight: bold;
}

/* Form Labels */
.form-label {
  font-weight: bold;
  color: #333; /* dark gray for readability */
}

/* Submit Button */
.btn-sm {
  padding: 8px 20px;
  font-size: 0.9rem;
  border-radius: 5px;
  display: inline-block; /* prevents full width */
}

/* Footer Styling */
.footer {
  position: fixed;
  bottom: 0;
  width: 100%;
}

/* Highlights & updates */

.updates-section {
  background-color: #f9f9f9;
  padding: 40px 20px;
  font-family: Arial, sans-serif;
}

.section-title {
  text-align: center;
  font-size: 2.6rem;   /* Bigger main title */
  color: #003366;
  margin-bottom: 30px;
  font-weight: bold;
}

.updates-columns {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

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

.updates-left h3, .updates-right h3 {
  font-size: 1.8rem;   /* Bigger sub-headings */
  color: #003366;
  margin-bottom: 15px;
}

.updates-left ul, .updates-right ul {
  list-style: none;
  padding: 0;
}

.updates-left li, .updates-right li {
  margin-bottom: 20px;
}

.updates-left a, .updates-right a {
  color: #0055aa;
  text-decoration: none;
  font-size: 1.2rem;   /* Bigger link text */
  font-weight: bold;
}

.updates-left a:hover, .updates-right a:hover {
  text-decoration: underline;
  color: #003366;
}

.updates-left p, .updates-right p {
  font-size: 1.1rem;   /* Bigger description text */
  color: #444;
  margin: 5px 0 0 0;
  line-height: 1.4;
}

/* Responsive */
@media (max-width: 768px) {
  .updates-columns {
    flex-direction: column;
  }
}