* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background: #f4f6f9;
    color: #333;
}

/* Navbar */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background: #111;
    color: white;
}

nav a {
    margin-left: 20px;
    text-decoration: none;
    color: white;
    transition: 0.3s;
}

nav a:hover {
    color: #00bcd4;
}

/* Hero */
.hero {
    height: 90vh;
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)),
                url('https://images.unsplash.com/photo-1584697964194-0a90b6b3f9c8') no-repeat center/cover;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
}

.hero h1 {
    font-size: 45px;
}

.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background: #00bcd4;
    color: white;
    text-decoration: none;
    border-radius: 30px;
    transition: 0.3s;
}

.btn:hover {
    background: #0097a7;
}

/* Stats */
.stats {
    display: flex;
    justify-content: space-around;
    padding: 60px 20px;
    background: white;
    text-align: center;
}

.stat h2 {
    color: #00bcd4;
    font-size: 36px;
}

/* Subjects */
.subjects {
    padding: 60px 20px;
    text-align: center;
}

.cards {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.card {
    padding: 30px;
    background: white;
    border-radius: 10px;
    width: 200px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-10px);
}

/* Contact */
.contact {
    padding: 60px 20px;
    background: #111;
    color: white;
    text-align: center;
}

form {
    margin-top: 20px;
}

form input {
    padding: 10px;
    margin: 10px;
    width: 250px;
    border: none;
    border-radius: 5px;
}

form button {
    padding: 10px 25px;
    border: none;
    background: #00bcd4;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

footer {
    text-align: center;
    padding: 20px;
    background: black;
    color: white;
}

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

    .hero h1 {
        font-size: 28px;
    }

    form input {
        width: 80%;
    }
}
.testimonials {
    padding: 60px 20px;
    text-align: center;
    background: #f4f6f9;
}

.testimonial {
    display: none;
    font-style: italic;
}

.testimonial.active {
    display: block;
}
.whatsapp {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25D366;
    color: white;
    font-size: 25px;
    padding: 15px;
    border-radius: 50%;
    text-decoration: none;
}