/* Reset some default browser styles (optional) */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Body styling */
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f9f9f9;
  color: #333;
  margin: 0;
}

/* Navigation bar */
nav {
  background-color: #333;
  z-index: 1000;
}
nav ul {
  display: flex;
  list-style-type: none;
}
nav li {
  margin-right: 1rem;
}
nav a {
  color: white;
  text-decoration: none;
  padding: 0.75rem 1rem;
  display: block;
}
nav a:hover {
  background-color: #555;
}
nav a.active {
  background-color: #555;
}

/* Header */
header {
  padding: 0;
  margin: 0;
  background: none;
}
header h1 {
  margin-bottom: 0.5rem;
}
header h2 {
  margin-top: 0.5rem;
  font-style: italic;
  color: #666;
}
header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block; /* eliminates default inline spacing */
}
.fixed-banner {
  max-width: 800px;   /* The image can’t exceed 800px wide */
  width: 100%;        /* Let it shrink if the screen is smaller than 800px */
  height: 400px;       /* Maintains aspect ratio */
}
/* Sidebar */
.sidebar {
  float: left;               /* Floats the sidebar on the left */
  width: auto;             /* Fixed width for sidebar */
  background-color: #fafafa;
  padding: 1rem;
  min-height: 100vh;         /* Fill the full height of the viewport (optional) */
 
}
.profile-pic {
  width: 150px;       /* Fixed pixel width (adjust as you like) */
  height: auto;       /* Keeps aspect ratio */
  border-radius: 50%; /* Makes it circular if the original is roughly square */
  display: block;     /* Removes inline spacing */
  margin: 0 auto 1rem;     /* Center horizontally within the sidebar */
}
/* White box container with flex layout */
.pi-profile {
  background-color: #fff;  /* White background for the box */
  border: 1px solid #ccc;  /* Optional border for contrast */
  padding: 1rem;
  margin-bottom: 2rem;     /* Space below the box */
  display: flex;           /* Allows two columns: images on left, text on right */
  gap: 1rem;               /* Space between image column and text column */
}

/* Left column for images, stacked vertically */
.pi-images {
  display: flex;
  flex-direction: column; /* stack images one above the other */
  align-items: flex-start;
}

/* Individual PI images */
.pi-img {
  width: 200px;  /* Adjust as desired */
  height: auto;  /* Maintain aspect ratio */
  margin-bottom: 0.5rem;
  display: block;
  border: 1px solid #ddd;  /* optional small border around images */
  border-radius: 4px;      /* slight rounding of corners, optional */
}

/* Right column text */
.pi-text {
  flex: 1;  /* take the remaining width */
  /* You can add further styling here if desired */
}
/* Main content */
main {
  max-width: 800px;
  margin: 2rem auto;
  padding-left: 20px;
  font-size: 18px;
}

/* Student Profile Cards */
.student-profile {
  background-color: #fff;
  border: 1px solid #ddd;
  margin-bottom: 1rem;
  padding: 1rem;
  display: flex;
  gap: 1rem;
}
.student-profile img {
    width: 200px;        /* same width & height for a square */
    height: 200px;
    object-fit: cover;   /* fills the square, cropping edges if needed */
    display: block;      /* removes any inline spacing gaps */
}
.student-profile h3 {
  margin: 0 0 0.5rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  background-color: #ececec;
  margin-top: 2rem;
}