* {
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    margin: 0;
    background: #f5f7fb;
    color: #333;
    text-align: center;
}

/* Hero */
.hero {
    padding: 60px 20px 40px;
    background: linear-gradient(135deg, #4e54c8, #8f94fb);
    color: white;
}

.hero h1 {
    font-size: 3rem;
    margin: 0;
}

.hero span {
    color: #ffe082;
}

.tagline {
    margin-top: 10px;
    font-size: 1.1rem;
    opacity: 0.95;
}

/* Quotes */
.quotes {
    margin: 30px 20px;
    font-style: italic;
}

.quotes span {
    display: block;
    margin-top: 8px;
    color: #666;
}

/* Class Cards */
.class-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    padding: 30px;
    max-width: 900px;
    margin: auto;
}

.class-card {
    padding: 40px 20px;
    border-radius: 22px;
    color: white;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.class-card h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.class-card p {
    font-size: 1rem;
    opacity: 0.95;
}

.class-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 14px 30px rgba(0,0,0,0.18);
}

/* Card Colors */
.class9 {
    background: linear-gradient(135deg, #43cea2, #185a9d);
}

.class10 {
    background: linear-gradient(135deg, #ff512f, #dd2476);
}

/* Footer */
footer {
    margin: 40px 0 20px;
    color: #666;
    font-size: 0.9rem;
}