:root {
    --primary-color: #ff0000;
    --secondary-color: #990000;
    --background-color: #000000;
    --card-bg: #111111;
    --text-color: #ffffff;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    overflow-x: hidden;
}

/* Navbar Styles */
.navbar {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

/* Hero Section */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    background: linear-gradient(45deg, var(--background-color), #1a0000);
}

.hero-section h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glow Effects */
.glow-text {
    text-shadow: 0 0 10px var(--primary-color),
                 0 0 20px var(--primary-color),
                 0 0 30px var(--primary-color);
}

/* Product Sections */
.product-section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.2);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card ul {
    list-style: none;
    padding: 0;
}

.feature-card ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.feature-card ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.price-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.price-card:hover {
    transform: scale(1.05);
}

.price-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-color);
    margin: 1rem 0;
}

.btn-purchase {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: var(--text-color);
    padding: 0.8rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-purchase:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
}

/* Particles Background */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.8);
    padding: 2rem 0;
    text-align: center;
    backdrop-filter: blur(10px);
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.article-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 0, 0, 0.2);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(255, 0, 0, 0.2);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-content {
    padding: 1.5rem;
}

.article-title {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.article-description {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.article-price {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 1rem 0;
}

/* Product Detail Page */
.product-detail-section {
    padding-top: 120px;
    padding-bottom: 60px;
}

.product-image-container {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1rem;
    border: 1px solid rgba(255, 0, 0, 0.2);
    margin-bottom: 2rem;
}

.product-image {
    width: 100%;
    border-radius: 10px;
}

.product-info {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    border: 1px solid rgba(255, 0, 0, 0.2);
}

.product-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.product-description h3 {
    color: var(--primary-color);
    margin: 1.5rem 0 1rem;
    font-size: 1.3rem;
}

.product-description ul {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.product-description ul li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.product-description ul li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.pricing-options {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 0, 0, 0.2);
}

.pricing-grid-small {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.price-option {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 0, 0, 0.2);
    border-radius: 10px;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.price-option:hover,
.price-option.active {
    background: rgba(255, 0, 0, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.price-option h4 {
    color: var(--text-color);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.price-option .price {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0;
}

.btn-lg {
    width: 100%;
    margin-top: 1rem;
    padding: 1rem 2rem;
    font-size: 1.2rem;
}

/* Footer Links */
.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.footer-content {
    padding: 2rem 0;
    border-bottom: 1px solid rgba(255, 0, 0, 0.2);
}

.footer-bottom {
    padding-top: 1rem;
}

/* Responsive Design for Product Page */
@media (max-width: 768px) {
    .product-detail-section {
        padding-top: 100px;
    }
    
    .pricing-grid-small {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-title {
        font-size: 2rem;
    }
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.product-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 0, 0, 0.2);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(255, 0, 0, 0.2);
}

.product-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.product-badge {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
}

.product-badge.premium {
    background: linear-gradient(45deg, #FFD700, #FFA500);
}

.product-features {
    margin-bottom: 2rem;
}

.product-features ul {
    list-style: none;
    padding: 0;
}

.product-features li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
}

.product-features i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Duration Selector */
.duration-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.duration-btn {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.2);
    color: var(--text-color);
    padding: 0.5rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.duration-btn:hover,
.duration-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

/* Quantity Selector */
.quantity-selector {
    margin-bottom: 1.5rem;
}

.quantity-selector label {
    display: block;
    margin-bottom: 0.5rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    background: var(--primary-color);
    border: none;
    color: var(--text-color);
    width: 30px;
    height: 30px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s ease;
}

.quantity-btn:hover {
    background: var(--secondary-color);
}

.quantity-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 0, 0, 0.2);
    color: var(--text-color);
    width: 60px;
    height: 30px;
    text-align: center;
    border-radius: 5px;
}

/* Total Price */
.total-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 0, 0, 0.1);
    border-radius: 10px;
}

.price-amount {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Button Styles */
.btn-purchase {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-purchase i {
    font-size: 1.2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .duration-selector {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Payment Methods */
.payment-methods {
    margin-bottom: 1.5rem;
}

.payment-methods h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.payment-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.payment-btn {
    background: var(--card-bg);
    border: 1px solid rgba(255, 0, 0, 0.2);
    color: var(--text-color);
    padding: 0.8rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.payment-btn:hover {
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.payment-btn.paypal-btn {
    border-color: #0070ba;
}

.payment-btn.paypal-btn:hover {
    background: #0070ba;
}

.payment-btn.crypto-btn {
    border-color: #f7931a;
}

.payment-btn.crypto-btn:hover {
    background: #f7931a;
}

.payment-info {
    background: var(--card-bg);
    border: 1px solid rgba(255, 0, 0, 0.2);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.crypto-address {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.8rem;
    border-radius: 5px;
    margin: 0.5rem 0;
}

.address-text {
    flex: 1;
    font-family: monospace;
    color: var(--primary-color);
    word-break: break-all;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.copy-btn:hover {
    color: var(--primary-color);
}

/* Payment Animation */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.payment-info.show {
    display: block;
    animation: slideDown 0.3s ease forwards;
}

/* Responsive Payment Options */
@media (max-width: 768px) {
    .payment-options {
        grid-template-columns: 1fr;
    }
}

/* Payment Modals */
.payment-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

.payment-modal .modal-content {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--primary-color);
    animation: slideIn 0.3s ease;
}

/* Loading Spinner */
.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 0, 0, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success Modal */
.payment-modal.success .modal-content i {
    font-size: 3rem;
    color: #00ff00;
    margin-bottom: 1rem;
    animation: scaleIn 0.5s ease;
}

/* Error Modal */
.payment-modal.error .modal-content i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    animation: shake 0.5s ease;
}

/* Download Button */
.download-btn {
    margin-top: 1rem;
    background: linear-gradient(45deg, #00ff00, #00cc00);
}

.download-btn:hover {
    background: linear-gradient(45deg, #00cc00, #00ff00);
    transform: translateY(-2px);
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* Modal Text Styles */
.payment-modal h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.payment-modal p {
    color: var(--text-color);
    margin-bottom: 1rem;
    opacity: 0.8;
}

/* Responsive Modal */
@media (max-width: 768px) {
    .payment-modal .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
}

.price-from {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.product-card .btn-purchase {
    width: 100%;
    margin-top: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: var(--text-color);
    padding: 0.8rem 2rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.product-card .btn-purchase:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 0, 0, 0.3);
    background: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
}

/* PayPal Button Container */
.paypal-buttons-container {
    width: 100%;
    min-height: 150px;
    margin: 1rem 0;
}

.payment-details.paypal {
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
}

.payment-details.paypal p {
    margin-bottom: 1rem;
    color: var(--text-color);
    font-size: 1.1rem;
}