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

html{
    scroll-behavior:smooth;
}

body{
    background:#020817;
    color:#fff;
}

nav{
    background:#081120;
    padding:25px 8%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    border-bottom:1px solid rgba(255,255,255,.08);
}

.logo{
    font-size:40px;
    font-weight:700;
}

.logo span{
    color:#2563eb;
}

nav ul{
    list-style:none;
    display:flex;
    gap:40px;
}

nav a{
    color:#fff;
    text-decoration:none;
    font-size:18px;
}

nav a:hover{
    color:#3b82f6;
}

.hero{
    min-height:90vh;
    padding:80px 8%;
    display:grid;
    grid-template-columns:1fr 1fr;
    align-items:center;
    gap:50px;
}

.hero h1{
    font-size:70px;
    line-height:1.2;
}

.hero span{
    color:#3b82f6;
}

.hero p{
    margin-top:25px;
    color:#cbd5e1;
    font-size:24px;
}

.btn{
    display:inline-block;
    margin-top:40px;
    padding:18px 45px;
    background:#2563eb;
    color:#fff;
    text-decoration:none;
    border-radius:15px;
    font-size:20px;
}

.btn:hover{
    background:#1d4ed8;
}

.hero-right img{
    width:100%;
    max-width:650px;
}

.container{
    width:85%;
    margin:auto;
}

.card-box{
    background:#07111f;
    border:1px solid rgba(255,255,255,.08);
    border-radius:25px;
    padding:40px;
    margin-bottom:35px;
}

.section-title{
    font-size:35px;
    margin-bottom:30px;
}

.course{
    display:grid;
    grid-template-columns:2fr 1fr;
    gap:40px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:25px;
}

.item{
    background:#0b1728;
    border-radius:20px;
    padding:40px 20px;
    text-align:center;
    font-size:20px;
    border:1px solid rgba(255,255,255,.08);
}

.details p{
    margin-bottom:20px;
    color:#cbd5e1;
    font-size:20px;
}

.price{
    color:#00e5ff;
    font-size:35px;
    font-weight:700;
}

.register-form{
    display:flex;
    flex-direction:column;
    gap:20px;
}

.register-form input{
    padding:18px;
    border:none;
    border-radius:15px;
    background:#0b1728;
    color:#fff;
    font-size:18px;
}

.register-form button{
    padding:18px;
    border:none;
    border-radius:15px;
    background:#2563eb;
    color:#fff;
    font-size:20px;
    cursor:pointer;
}

.contact{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.contact p{
    margin-bottom:15px;
    font-size:22px;
}

.enroll-btn{
    background:#2563eb;
    color:#fff;
    text-decoration:none;
    padding:20px 45px;
    border-radius:15px;
    font-size:22px;
}

footer{
    text-align:center;
    padding:40px;
    color:#94a3b8;
}

/* Tablets */
@media (max-width: 992px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero h1 {
        font-size: 50px;
    }

    .hero p {
        font-size: 20px;
    }

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

    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-right img {
        max-width: 500px;
        margin: auto;
    }

    .contact {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
}

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

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .logo {
        font-size: 32px;
    }

    .hero {
        padding: 60px 20px;
    }

    .hero h1 {
        font-size: 38px;
    }

    .hero p {
        font-size: 18px;
    }

    .btn,
    .enroll-btn {
        width: 100%;
        text-align: center;
        padding: 16px;
        font-size: 18px;
    }

    .container {
        width: 92%;
    }

    .card-box {
        padding: 25px;
    }

    .section-title {
        font-size: 28px;
    }

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

    .item {
        padding: 30px 15px;
        font-size: 18px;
    }

    .details p {
        font-size: 18px;
    }

    .price {
        font-size: 30px;
    }

    .register-form input,
    .register-form button {
        font-size: 16px;
        padding: 16px;
    }

    .contact p {
        font-size: 18px;
    }
}

/* Small phones */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 30px;
    }

    .hero p {
        font-size: 16px;
    }

    .logo {
        font-size: 28px;
    }

    nav a {
        font-size: 16px;
    }

    .section-title {
        font-size: 24px;
    }

    .price {
        font-size: 26px;
    }

    .hero-right img {
        max-width: 100%;
    }
}

    .contact{
        flex-direction:column;
        text-align:center;
        gap:30px;
    }
}