/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #ff6b35;
    --secondary: #f7931e;
    --dark: #0a0e27;
    --darker: #050812;
    --light: #ffffff;
    --gray: #8892b0;
    --accent: #64ffda;
    --card-bg: #1a1f3a;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--darker);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== NAVIGATION ===== */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: bold;
    color: var(--accent);
}

.logo i {
    font-size: 28px;
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--accent);
}

/* ===== NAVIGATION ACTIONS ===== */
.nav-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.lang-switch {
    background: var(--card-bg);
    border: 1px solid rgba(100, 255, 218, 0.2);
    padding: 8px 15px;
    border-radius: 8px;
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
    font-size: 14px;
}

.lang-switch:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--accent);
}

.cart-btn {
    background: var(--card-bg);
    border: 1px solid rgba(100, 255, 218, 0.2);
    padding: 8px 15px;
    border-radius: 8px;
    color: var(--accent);
    cursor: pointer;
    position: relative;
    transition: all 0.3s;
    font-size: 18px;
}

.cart-btn:hover {
    background: rgba(100, 255, 218, 0.1);
    border-color: var(--accent);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--primary);
    color: var(--light);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
}

/* ===== CART SIDEBAR ===== */
.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: var(--card-bg);
    box-shadow: -5px 0 20px rgba(0,0,0,0.5);
    transition: right 0.3s ease;
    z-index: 2000;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.active {
    right: 0;
}

.cart-header {
    padding: 20px;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-header h3 {
    color: var(--accent);
    margin: 0;
}

.close-cart {
    background: none;
    border: none;
    color: var(--light);
    font-size: 24px;
    cursor: pointer;
    transition: color 0.3s;
}

.close-cart:hover {
    color: var(--primary);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
}

.empty-cart {
    text-align: center;
    color: var(--gray);
    padding: 40px 20px;
}

.cart-item {
    background: var(--darker);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-item-info h4 {
    color: var(--light);
    margin: 0 0 5px 0;
    font-size: 14px;
}

.cart-item-info p {
    color: var(--accent);
    margin: 0;
    font-weight: bold;
}

.remove-item {
    background: transparent;
    border: none;
    color: var(--primary);
    cursor: pointer;
    font-size: 18px;
    transition: transform 0.2s;
}

.remove-item:hover {
    transform: scale(1.2);
}

.cart-footer {
    padding: 20px;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 18px;
    font-weight: bold;
    color: var(--light);
}

.cart-total span:last-child {
    color: var(--accent);
}

.btn-checkout {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--light);
}

/* ===== CHECKOUT MODAL ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    overflow: auto;
}

.modal-content {
    background: var(--card-bg);
    margin: 50px auto;
    padding: 40px;
    border-radius: 15px;
    width: 90%;
    max-width: 900px;
    position: relative;
    animation: modalSlide 0.3s ease-out;
}

@keyframes modalSlide {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 32px;
    font-weight: bold;
    color: var(--gray);
    cursor: pointer;
    transition: color 0.3s;
}

.close-modal:hover {
    color: var(--primary);
}

.modal-content h2 {
    color: var(--accent);
    margin-bottom: 30px;
}

.checkout-info {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.order-summary h3,
.payment-instructions h3 {
    color: var(--accent);
    margin-bottom: 20px;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(100, 255, 218, 0.1);
    color: var(--gray);
}

.checkout-total {
    display: flex;
    justify-content: space-between;
    padding-top: 15px;
    margin-top: 10px;
    font-size: 20px;
    color: var(--light);
}

.checkout-total strong:last-child {
    color: var(--accent);
}

.order-number {
    background: var(--darker);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    gap: 15px;
}

.order-id {
    color: var(--accent);
    font-family: 'Courier New', monospace;
    font-size: 16px;
    font-weight: bold;
    flex: 1;
}

.btn-copy {
    background: var(--primary);
    border: none;
    color: var(--light);
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-copy:hover {
    background: var(--secondary);
    transform: scale(1.1);
}

/* ===== PAYMENT METHOD SELECTION ===== */
.payment-method-selection {
    margin: 20px 0;
}

.payment-method-selection h4 {
    color: var(--light);
    margin-bottom: 15px;
}

.payment-options {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.payment-option {
    flex: 1;
    background: var(--darker);
    border: 2px solid rgba(100, 255, 218, 0.2);
    padding: 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--gray);
}

.payment-option i {
    font-size: 32px;
}

.payment-option span {
    font-weight: bold;
    font-size: 16px;
}

.payment-option:hover {
    border-color: var(--accent);
    background: rgba(100, 255, 218, 0.05);
}

.payment-option.active {
    border-color: var(--accent);
    background: rgba(100, 255, 218, 0.1);
    color: var(--accent);
}

.payment-option.active i {
    color: var(--accent);
}

/* ===== PAYMENT DETAILS ===== */
.payment-details {
    margin-top: 20px;
}

.payment-steps {
    margin: 20px 0;
}

.payment-steps h4 {
    color: var(--light);
    margin-bottom: 15px;
}

.payment-steps ol {
    color: var(--gray);
    line-height: 2;
    padding-left: 20px;
}

.payment-steps li {
    margin-bottom: 10px;
}

/* ===== BTC PAYMENT ===== */
.btc-address {
    background: var(--darker);
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
}

.btc-address p {
    color: var(--gray);
    margin-bottom: 10px;
}

.crypto-address {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--dark);
    padding: 15px;
    border-radius: 5px;
    margin: 15px 0;
}

.crypto-address code {
    flex: 1;
    color: var(--accent);
    font-family: 'Courier New', monospace;
    font-size: 14px;
    word-break: break-all;
}

.btn-copy-small {
    background: var(--primary);
    border: none;
    color: var(--light);
    padding: 8px 12px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-copy-small:hover {
    background: var(--secondary);
    transform: scale(1.1);
}

.btc-amount {
    color: var(--accent);
    font-size: 18px;
    font-weight: bold;
    margin-top: 10px;
}

.contact-support {
    background: rgba(100, 255, 218, 0.05);
    padding: 15px;
    border-radius: 8px;
    border-left: 3px solid var(--accent);
    margin-top: 20px;
}

.contact-support p {
    color: var(--gray);
    margin: 0;
}

/* ===== HERO SECTION ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 20px 50px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(100, 255, 218, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    text-align: center;
}

.glitch {
    font-size: 48px;
    font-weight: bold;
    background: linear-gradient(45deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 10px rgba(255, 107, 53, 0.5));
    }
    to {
        filter: drop-shadow(0 0 20px rgba(255, 107, 53, 0.8));
    }
}

.subtitle {
    font-size: 20px;
    color: var(--gray);
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    justify-content: center;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--light);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.stats {
    display: flex;
    gap: 40px;
    justify-content: center;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--accent);
}

.stat-label {
    font-size: 14px;
    color: var(--gray);
}

/* ===== ACCOUNTS SECTION ===== */
.accounts-section {
    padding: 100px 20px;
    background: var(--dark);
}

.section-title {
    text-align: center;
    font-size: 42px;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 40px 0;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--card-bg);
    border: 2px solid transparent;
    border-radius: 25px;
    color: var(--gray);
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
}

.filter-btn.active,
.filter-btn:hover {
    background: transparent;
    border-color: var(--accent);
    color: var(--accent);
}

.accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.account-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
    border: 1px solid rgba(100, 255, 218, 0.1);
    position: relative;
}

.account-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(100, 255, 218, 0.2);
}

.card-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--light);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    z-index: 10;
}

.card-badge.featured {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.card-header {
    height: 200px;
    background: linear-gradient(135deg, #667eea22, #764ba244);
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(100, 255, 218, 0.1));
}

.placeholder-image i {
    font-size: 48px;
    color: var(--primary);
    margin-bottom: 10px;
}

.placeholder-image p {
    color: var(--accent);
    font-weight: bold;
    font-size: 18px;
}

.card-body {
    padding: 20px;
}

.account-title {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--accent);
}

.account-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray);
    font-size: 14px;
}

.detail-item i {
    color: var(--primary);
}

.price-section {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.current-price {
    font-size: 28px;
    font-weight: bold;
    color: var(--accent);
}

.btn-buy {
    width: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--light);
}

/* ===== HOW TO BUY SECTION ===== */
.howto-section {
    padding: 100px 20px;
    background: var(--darker);
}

.howto-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.step {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(100, 255, 218, 0.1);
    transition: all 0.3s;
}

.step:hover {
    transform: translateY(-10px);
    border-color: var(--accent);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    color: var(--light);
    margin: 0 auto 20px;
}

.step h3 {
    color: var(--accent);
    margin-bottom: 15px;
}

.step p {
    color: var(--gray);
    line-height: 1.6;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: 100px 20px;
    background: var(--dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    text-align: center;
}

.contact-info h3 {
    font-size: 28px;
    color: var(--accent);
    margin-bottom: 15px;
}

.contact-info p {
    color: var(--gray);
    margin-bottom: 30px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--gray);
}

.contact-method i {
    font-size: 24px;
    color: var(--primary);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--darker);
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    padding: 50px 20px 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-section h4 {
    color: var(--accent);
    margin-bottom: 20px;
}

.footer-section p {
    color: var(--gray);
    margin-bottom: 20px;
}

.payment-methods {
    display: flex;
    gap: 15px;
    font-size: 32px;
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(100, 255, 218, 0.1);
    color: var(--gray);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        flex-direction: column;
        text-align: center;
    }

    .glitch {
        font-size: 32px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .stats {
        justify-content: center;
    }

    .cart-sidebar {
        width: 100%;
        right: -100%;
    }

    .checkout-info {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: 20px;
        margin: 20px;
    }

    .nav-actions {
        gap: 10px;
    }

    .howto-steps {
        grid-template-columns: 1fr;
    }

    .payment-options {
        flex-direction: column;
    }

    .crypto-address {
        flex-direction: column;
    }

    .crypto-address code {
        font-size: 12px;
    }
}