/* GLOBAL STYLES */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
    color: #333;
    background-color: #fcfcfc;
}

/* NAVIGATION BAR */
header {
    background-color: #ffffff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    padding: 1rem 0;
    position: sticky; /* Keeps nav visible when scrolling */
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 1200px;
    margin: auto;
}

nav a {
    color: #555;
    text-decoration: none;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    transition: color 0.3s;
}

nav a:hover {
    color: #0056b3; /* Academic Blue */
}

/* ACTIVE LINK (Use this class for the current page) */
.active {
    color: #0056b3;
    border-bottom: 2px solid #0056b3;
}

/* HERO SECTION (For Home Page) */
.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    color: #2c3e50;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.hero p {
    font-size: 1.4rem;
    font-weight: 300;
    color: #555;
}

/* LAYOUT CONTAINERS */
.container {
    max-width: 900px;
    margin: 50px auto;
    padding: 0 20px;
    background: white;
    padding: 40px;
    border-radius: 8px; /* Soft rounded corners */
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); /* Subtle shadow */
}

/* TYPOGRAPHY */
h1 { color: #222; margin-bottom: 20px; }
h2 { color: #0056b3; margin-top: 40px; border-bottom: 1px solid #eee; padding-bottom: 10px; }
h3 { color: #444; margin-top: 30px; }

/* BUTTONS */
.btn {
    display: inline-block;
    background: #0056b3;
    color: white;
    padding: 12px 25px;
    margin-top: 20px;
    text-decoration: none;
    border-radius: 50px; /* Pill shape */
    font-weight: bold;
    transition: background 0.3s;
}

.btn:hover {
    background: #003d80;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    font-size: 0.8rem;
    color: #888;
    margin-top: 50px;
    border-top: 1px solid #eee;
}