body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    color: #e0e0e0;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* Product Hero Section */
.product-hero {
    background: linear-gradient(135deg, #00d4ff 0%, #ff00ff 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.product-title {
    font-size: 3em;
    margin: 0 0 10px 0;
    font-weight: bold;
}

.product-subtitle {
    font-size: 1.2em;
    margin: 0 0 40px 0;
    opacity: 0.9;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

/* Product Gallery Section */
.product-gallery {
    background: #1a1a1a;
    padding: 60px 0;
}

.product-gallery h2 {
    text-align: center;
    color: #e0e0e0;
    margin-bottom: 40px;
    font-size: 2.5em;
}

.gallery-thumbnails {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.thumbnail {
    width: 150px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.thumbnail:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.4);
}

.thumbnail.active {
    border: 3px solid;
    border-image: linear-gradient(45deg, #00d4ff, #ff00ff) 1;
    transform: translateY(-3px);
}

/* Product Description Section */
.product-description {
    background: #0a0a0a;
    padding: 60px 0;
}

.product-description h2 {
    text-align: center;
    color: #e0e0e0;
    margin-bottom: 40px;
    font-size: 2.5em;
}

.description-box {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.description-box > p {
    font-size: 1.1em;
    text-align: center;
    margin-bottom: 40px;
    color: #b0b0b0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-item {
    text-align: center;
    padding: 20px;
}

.feature-item h3 {
    background: linear-gradient(45deg, #00d4ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    font-size: 1.2em;
}

.feature-item p {
    color: #b0b0b0;
    font-size: 0.95em;
}

/* System Requirements Section */
.system-requirements {
    background: #1a1a1a;
    padding: 60px 0;
}

.system-requirements h2 {
    text-align: center;
    color: #e0e0e0;
    margin-bottom: 40px;
    font-size: 2.5em;
}

.req-category {
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(255, 0, 255, 0.1);
    border: 1px solid rgba(255, 0, 255, 0.2);
    display: inline-block;
    margin: 0 auto;
}

.system-requirements .container {
    text-align: center;
}

.req-category ul {
    list-style: none;
    padding: 0;
}

.req-category li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #b0b0b0;
}

.req-category li:last-child {
    border-bottom: none;
}

/* License Selection Section */
.license-selection {
    background: #0a0a0a;
    padding: 60px 0;
}

.license-selection h2 {
    text-align: center;
    color: #e0e0e0;
    margin-bottom: 40px;
    font-size: 2.5em;
}

.license-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.license-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    padding: 30px 20px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid rgba(255, 255, 255, 0.1);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.license-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
    border-color: rgba(0, 212, 255, 0.5);
}

.license-card.selected {
    border: 2px solid;
    border-image: linear-gradient(45deg, #00d4ff, #ff00ff) 1;
    background: linear-gradient(135deg, #001a1a 0%, #1a001a 100%);
    transform: translateY(-3px);
}

.license-duration {
    font-size: 1.4em;
    font-weight: bold;
    color: #e0e0e0;
    margin-bottom: 10px;
}

.license-price {
    font-size: 2em;
    font-weight: bold;
    background: linear-gradient(45deg, #00d4ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
}

.license-description {
    color: #b0b0b0;
    font-size: 0.9em;
    margin-bottom: 0;
}

/* Purchase Section */
.purchase-section {
    background: #1a1a1a;
    padding: 60px 0;
}

.purchase-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 40px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
    overflow: visible;
}

.purchase-form {
    width: 100%;
    min-width: 0;
    overflow: visible;
}

/* Discount Sidebar */
.discount-sidebar {
    background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
    padding: 25px;
    border-radius: 15px;
    border: 2px solid rgba(0, 212, 255, 0.2);
    position: sticky;
    top: 20px;
    width: 280px;
    box-sizing: border-box;
    z-index: 0;
}

.discount-sidebar h3 {
    margin: 0 0 20px 0;
    color: #e0e0e0;
    text-align: center;
    font-size: 1.3em;
}

.discount-tiers {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.discount-tier {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.discount-tier.active {
    border: 2px solid;
    border-image: linear-gradient(45deg, #00d4ff, #ff00ff) 1;
    background: rgba(0, 212, 255, 0.1);
    transform: scale(1.02);
}

.discount-tier.achieved {
    border-color: rgba(255, 0, 255, 0.6);
    background: rgba(255, 0, 255, 0.1);
}

.tier-quantity {
    font-weight: bold;
    color: #b0b0b0;
}

.discount-tier.active .tier-quantity,
.discount-tier.achieved .tier-quantity {
    background: linear-gradient(45deg, #00d4ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tier-discount {
    background: linear-gradient(135deg, #00d4ff, #ff00ff);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9em;
}

.discount-tier.active .tier-discount,
.discount-tier.achieved .tier-discount {
    background: linear-gradient(135deg, #ff00ff, #00d4ff);
}

/* Form Styling */
.form-group {
    margin-bottom: 25px;
    width: 100%;
    max-width: 100%;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #e0e0e0;
    font-size: 1.1em;
}

input[type="email"], input[type="number"] {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s;
    background: rgba(255, 255, 255, 0.05);
    color: #e0e0e0;
}

input:focus {
    outline: none;
    border: 2px solid;
    border-image: linear-gradient(45deg, #00d4ff, #ff00ff) 1;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.price-display {
    background: linear-gradient(135deg, #001a1a 0%, #1a001a 100%);
    padding: 20px;
    border-radius: 10px;
    margin: 0 0 25px 0;
    text-align: center;
    width: 100%;
    border: 2px solid;
    border-image: linear-gradient(45deg, #00d4ff, #ff00ff) 1;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
}

.price-amount {
    color: #e0e0e0;
}

.final-price {
    font-size: 28px;
    font-weight: bold;
    background: linear-gradient(45deg, #00d4ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.price-breakdown {
    font-size: 14px;
    color: #b0b0b0;
    line-height: 1.4;
}

.base-price {
    margin-bottom: 4px;
}

.discount-info {
    background: linear-gradient(45deg, #00d4ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: bold;
}

.buy-button {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, #00d4ff 0%, #ff00ff 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    margin: 0;
    display: block;
    position: relative;
    overflow: hidden;
}

.buy-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
}

.buy-button:disabled {
    background: #222222;
    color: #555555;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.loading {
    display: none;
    text-align: center;
    margin-top: 20px;
    color: #b0b0b0;
}

.error {
    color: #ff4444;
    background: rgba(255, 68, 68, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin-top: 15px;
    display: none;
    text-align: center;
    border: 1px solid rgba(255, 68, 68, 0.3);
}

/* Responsive Design */
@media (max-width: 900px) {
    .purchase-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .discount-sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    .product-title {
        font-size: 2.2em;
    }
    
    .product-subtitle {
        font-size: 1em;
    }
    
    .gallery-thumbnails {
        gap: 10px;
    }
    
    .thumbnail {
        width: 120px;
        height: 80px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .requirements-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .license-cards {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 15px;
    }
    
    .license-card {
        padding: 15px 10px;
        min-height: 140px;
    }
    
    .license-duration {
        font-size: 1.1em;
    }
    
    .license-price {
        font-size: 1.4em;
    }
    
    .license-description {
        font-size: 0.8em;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .container {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .product-title {
        font-size: 1.8em;
    }
    
    .license-cards {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 10px;
    }
    
    .license-card {
        padding: 12px 8px;
        min-height: 120px;
    }
    
    .license-duration {
        font-size: 1em;
        margin-bottom: 6px;
    }
    
    .license-price {
        font-size: 1.2em;
        margin-bottom: 8px;
    }
    
    .license-description {
        font-size: 0.75em;
        line-height: 1.2;
    }
    
    .gallery-thumbnails {
        flex-direction: column;
        align-items: center;
    }
    
    .container {
        padding: 10px;
    }
}

/* Footer Styles */
.site-footer {
    background: #2c2c2c;
    color: #e0e0e0;
    padding: 50px 0 20px 0;
    margin-top: 50px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 30px;
    align-items: start;
}

.footer-section h4 {
    background: linear-gradient(45deg, #00d4ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    font-size: 1.2em;
    font-weight: bold;
}

.footer-section p {
    line-height: 1.6;
    color: #b0b0b0;
    margin-bottom: 10px;
}

.support-email {
    background: linear-gradient(45deg, #00d4ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
}

.support-email:hover {
    text-decoration: underline;
    filter: brightness(1.2);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #b0b0b0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    background: linear-gradient(45deg, #00d4ff, #ff00ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.business-info {
    font-size: 0.9em;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: #888;
    margin: 0;
    font-size: 0.9em;
}

/* Footer Responsive Design */
@media (max-width: 1000px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .site-footer {
        padding: 40px 0 20px 0;
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: center;
    }
    
    .footer-section {
        padding: 0 20px;
    }
}