* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background: #ffffff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 500px;
    width: 100%;
    padding: 20px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.profile-img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icon {
    color: #000;
    font-size: 18px;
    text-decoration: none;
}

.title {
    font-size: 42px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
}

.card {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background: #000;
}

.main-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.subtitle {
    text-align: center;
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
    font-weight: 500;
}

.hash {
    text-align: center;
    font-size: 13px;
    color: #666;
    margin-bottom: 25px;
    word-break: break-all;
    padding: 0 20px;
    opacity: 0.8;
}

.buy-now {
    display: block;
    width: auto;
    min-width: 100px;
    margin: 0 auto;
    padding: 10px 20px;
    background: #1a1a1a;
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 15px;
    transition: all 0.2s ease;
}

.buy-now:hover {
    background: #333;
    transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 15px;
    }

    .title {
        font-size: 36px;
    }

    .subtitle {
        font-size: 20px;
    }

    .hash {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .title {
        font-size: 32px;
    }

    .social-icons {
        gap: 12px;
    }

    .social-icon {
        font-size: 16px;
    }
}