* {
    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, #1a1a2e 0%, #16213e 100%);
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.content {
    text-align: center;
    animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.logo-container {
    margin-bottom: 3rem;
}

.logo {
    width: 280px;
    height: auto;
    max-width: 90%;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

h1 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    color: #ffffff;
    text-transform: uppercase;
}

.tagline {
    font-size: 1.1rem;
    color: #d4af37;
    font-weight: 300;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.attribution {
    font-size: 0.9rem;
    color: #b8b8b8;
    font-weight: 300;
    font-style: italic;
    letter-spacing: 0.05em;
    margin-bottom: 4rem;
}

.product-section {
    margin: 4rem 0;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.section-header {
    font-size: 0.95rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #d4af37;
    margin-bottom: 1.5rem;
}

.product-description {
    font-size: 1.05rem;
    line-height: 1.7;
    color: #e8e8e8;
    font-weight: 300;
    letter-spacing: 0.02em;
    margin-bottom: 1.2rem;
}

.tech-note {
    font-size: 0.88rem;
    line-height: 1.6;
    color: #999;
    font-weight: 300;
    letter-spacing: 0.03em;
    margin-top: 2rem;
}

.product-link {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    transition: all 0.3s ease;
}

.product-link:hover {
    color: #d4af37;
    border-bottom-color: #d4af37;
}

.product-meta {
    font-size: 0.8rem;
    color: #777;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin-top: 2rem;
}

.contact-section {
    margin: 4rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-label {
    font-size: 0.9rem;
    color: #b8b8b8;
    margin-bottom: 0.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.email {
    font-size: 1.3rem;
    color: #d4af37;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.email:hover {
    color: #f0d068;
    transform: translateY(-2px);
}

footer {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer p {
    font-size: 0.85rem;
    color: #888;
    letter-spacing: 0.05em;
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.8rem;
        letter-spacing: 0.1em;
    }
    
    .logo {
        width: 220px;
    }
    
    .tagline {
        font-size: 1rem;
    }
    
    .email {
        font-size: 1.1rem;
    }
    
    .contact-section {
        padding: 1.5rem;
    }
    
    .product-section {
        margin: 3rem 0;
    }
    
    .section-header {
        font-size: 0.9rem;
    }
    
    .product-description {
        font-size: 1rem;
    }
    
    .tech-note {
        font-size: 0.85rem;
    }
    
    .product-meta {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.5rem;
    }
    
    .logo {
        width: 180px;
    }
    
    .tagline {
        font-size: 0.9rem;
    }
}