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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    text-align: center;
    padding: 40px 20px;
    color: white;
}

.logo {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: -1px;
}

.tagline {
    font-size: 1.2rem;
    opacity: 0.95;
    font-weight: 300;
}

.domain-sale {
    margin: 30px 0;
}

.sale-banner {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    color: white;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.sale-banner h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.domain-name {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 20px 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.price {
    font-size: 2rem;
    font-weight: 600;
    margin: 15px 0;
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.contact {
    font-size: 1.1rem;
    margin-top: 20px;
}

.contact a {
    color: white;
    text-decoration: underline;
    font-weight: 600;
    transition: opacity 0.3s;
}

.contact a:hover {
    opacity: 0.8;
}

.navigation {
    margin: 40px 0;
}

.navigation h2 {
    text-align: center;
    color: white;
    font-size: 2.5rem;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.category-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.category-card h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #667eea;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.category-card ul {
    list-style: none;
}

.category-card li {
    margin: 12px 0;
}

.category-card a {
    color: #555;
    text-decoration: none;
    font-size: 1rem;
    display: flex;
    align-items: center;
    transition: color 0.3s, padding-left 0.3s;
}

.category-card a:hover {
    color: #667eea;
    padding-left: 10px;
}

.category-card a::before {
    content: "→";
    margin-right: 8px;
    opacity: 0;
    transition: opacity 0.3s;
}

.category-card a:hover::before {
    opacity: 1;
}

footer {
    text-align: center;
    padding: 30px 20px;
    color: white;
    opacity: 0.9;
}

footer a {
    color: white;
    text-decoration: underline;
    font-weight: 600;
}

footer a:hover {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .logo {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1rem;
    }

    .sale-banner {
        padding: 30px 20px;
    }

    .domain-name {
        font-size: 1.8rem;
    }

    .price {
        font-size: 1.5rem;
    }

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

    .navigation h2 {
        font-size: 2rem;
    }
}