body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: #0f172a;
    color: #fff;
}

/* HEADER */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: #020617;
}

header h2 {
    color: #38bdf8;
}

.nav {
    display: flex;
    gap: 20px;
}

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

/* HERO */
.hero {
    text-align: center;
    padding: 80px 20px;
}

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

.hero span {
    color: #38bdf8;
}

/* BUTTON */
.btn {
    padding: 12px 25px;
    background: #38bdf8;
    border: none;
    color: black;
    cursor: pointer;
}

/* SECTION */
.section {
    padding: 50px 20px;
    text-align: center;
}

/* CARDS */
.cards {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap; /* ✅ KEY FIX */
}

.card {
    background: #1e293b;
    padding: 20px;
    border-radius: 10px;
    width: 100%;
    max-width: 280px; /* ✅ FIX */
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    background: #020617;
}

/* 📱 MOBILE FIXES */
@media (max-width: 768px) {

    header {
        flex-direction: column;
        gap: 10px;
    }

    .nav {
        flex-direction: column;
        align-items: center;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .section {
        padding: 30px 15px;
    }
}