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

body {
    font-family: Arial, sans-serif;
    color: white;
    min-height: 100vh;
    background: url("students.jpg") center/cover no-repeat;
    position: relative;
}

/* Blue gradient overlay */
.overlay {
    position: fixed;
    inset: 0;
    background:
        linear-gradient(
            135deg,
            rgba(0, 40, 100, 0.8),
            rgba(0, 120, 255, 0.45),
            rgba(10, 15, 40, 0.9)
        );
    z-index: 1;
}

nav, .hero, .cards, footer {
    position: relative;
    z-index: 2;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 7%;
}

.logo {
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 2px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav a {
    color: white;
    text-decoration: none;
}

.hero {
    text-align: center;
    padding-top: 120px;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.3rem;
    color: #d8d8d8;
}

.cards {
    width: 90%;
    margin: 80px auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 25px;
}

.glass {
    padding: 40px;
    border-radius: 25px;
    backdrop-filter: blur(18px);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
}

.card1 {
    grid-row: span 2;
    min-height: 400px;
}

.card2 {
    min-height: 180px;
}

.card3 {
    min-height: 180px;
}

footer {
    text-align: center;
    padding: 30px;
    margin-top: 60px;
    background: rgba(0,0,0,0.25);
}

/* Mobile */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 20px;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .card1 {
        grid-row: span 1;
        min-height: auto;
    }
}
.table-wrapper {
    width: 90%;
    max-width: 900px;
    margin: 60px auto;
}

.hyper-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 12px;
}

.hyper-table tr {
    backdrop-filter: blur(18px);
    background: rgba(255,255,255,0.08);
    transition: 0.4s ease;
}

.hyper-table tr:hover {
    transform: scale(1.02);
    box-shadow: 0 0 25px rgba(0,150,255,0.35);
}

.hyper-table td {
    padding: 22px 30px;
    color: white;
    border-top: 1px solid rgba(255,255,255,0.15);
    border-bottom: 1px solid rgba(255,255,255,0.15);
}
.hyper-table th {
    padding: 22px 30px;
	
    color: Blue;
    border-top: 1px solid rgba(255,255,255,0.15);
    border-bottom: 1px solid rgba(255,255,255,0.15);
}

.hyper-table td:first-child {
    width: 40%;
    font-weight: bold;
    color: #63c5ff;
    border-left: 1px solid rgba(255,255,255,0.15);
    border-radius: 16px 0 0 16px;
}

.hyper-table td:last-child {
    border-right: 1px solid rgba(255,255,255,0.15);
    border-radius: 0 16px 16px 0;
}