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

body {
    background-color: #0f0f0f;
    color: #f1f1f1;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 50px;
    background-color: #111;
}

.navbar .logo {
    font-size: 24px;
    font-weight: bold;
    color: #00ffff;
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 25px;
}

.nav-links a {
    text-decoration: none;
    color: #f1f1f1;
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: #00ffff;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(45deg, #0f0f0f, #111111);
}

.hero h1 {
    font-size: 50px;
    color: #00ffff;
    animation: fadeInDown 1s ease;
}

.hero p {
    margin: 15px 0;
    font-size: 18px;
}

.btn {
    display: inline-block;
    margin: 10px;
    padding: 12px 25px;
    background-color: #00ffff;
    color: #0f0f0f;
    text-decoration: none;
    border-radius: 5px;
    transition: 0.3s;
}

.btn:hover {
    background-color: #00bfbf;
    transform: scale(1.05);
}

/* Animated Buy Buttons */
.animated-btn {
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Sections */
section {
    padding: 80px 20px;
    text-align: center;
}

.cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 40px;
}

.card {
    background-color: #111;
    border: 2px solid #00ffff;
    border-radius: 10px;
    width: 250px;
    margin: 15px;
    padding: 20px;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 0 20px #00ffff;
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    background-color: #111;
    border-top: 1px solid #00ffff;
    margin-top: 50px;
}

/* Responsive */
@media screen and (max-width: 768px) {
    .cards {
        flex-direction: column;
        align-items: center;
    }

    .nav-links {
        flex-direction: column;
    }

    .nav-links li {
        margin: 10px 0;
    }
}

/* Animations */
@keyframes fadeInDown {
    0% { opacity: 0; transform: translateY(-50px);}
    100% { opacity: 1; transform: translateY(0);}
}