/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0066cc;
    --secondary-color: #00a859;
    --text-color: #333;
    --text-light: #666;
    --bg-light: #f8f9fa;
    --border-color: #e0e0e0;
    --white: #ffffff;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
}

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

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

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 20px;
    flex-wrap: nowrap;
}

.logo {
    flex-shrink: 0;
    min-width: 150px;
}

.logo a {
    font-size: 26px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: transform 0.2s;
}

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

.main-nav {
    flex: 1;
    display: flex;
    justify-content: center;
    min-width: 0;
    flex-shrink: 1;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    justify-content: center;
    white-space: nowrap;
}

.main-nav li {
    position: relative;
}

.main-nav > ul > li > a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 0;
    position: relative;
    white-space: nowrap;
}

.main-nav > ul > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

.main-nav > ul > li > a:hover {
    color: var(--primary-color);
}

.main-nav > ul > li > a:hover::after {
    width: 100%;
}

.main-nav > ul > li.has-dropdown > a::after {
    display: none;
}

.has-dropdown {
    position: relative;
}

.dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: var(--white);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 8px 0;
    min-width: 220px;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    pointer-events: none;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown li {
    padding: 0;
    margin: 0;
}

.dropdown a {
    padding: 12px 20px;
    display: block;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.dropdown a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 25px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    white-space: nowrap;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.language-selector:hover {
    background: var(--bg-light);
    border-color: var(--border-color);
}

.language-selector .current-lang {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-color);
}

.language-selector i {
    font-size: 14px;
    color: var(--text-light);
}

.auth-buttons {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-login,
.btn-register {
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

.btn-login {
    color: var(--text-color);
    border: 1.5px solid var(--border-color);
    background: transparent;
}

.btn-login:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-1px);
}

.btn-register {
    background: var(--primary-color);
    color: var(--white);
    border: 1.5px solid var(--primary-color);
}

.btn-register:hover {
    background: #0052a3;
    border-color: #0052a3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.cart-icon {
    position: relative;
    cursor: pointer;
    font-size: 22px;
    color: var(--text-color);
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cart-icon:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    transform: scale(1.1);
}

.cart-count {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--secondary-color);
    color: var(--white);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    border: 2px solid var(--white);
    min-width: 20px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-color);
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s;
}

.mobile-menu-toggle:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

/* Promotional Banner */
.promo-banner {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
    color: var(--white);
    text-align: center;
    padding: 12px 0;
    font-weight: 600;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 42px;
    font-weight: bold;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    margin-bottom: 20px;
}

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

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: var(--primary-color);
    color: var(--white);
}

.btn-secondary:hover {
    background: #0052a3;
}

.hero-rating {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.9;
}

/* Filter Tabs */
.filter-tabs {
    background: var(--bg-light);
    padding: 30px 0;
}

.tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.tab-btn {
    padding: 12px 30px;
    background: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
    color: var(--text-color);
}

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

.tab-btn.active {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Countries Section */
.countries-section {
    padding: 60px 0;
}

.countries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.country-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    color: var(--text-color);
    display: block;
}

.country-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.country-flag {
    font-size: 48px;
    margin-bottom: 10px;
}

.country-name {
    font-weight: 600;
    font-size: 16px;
}

.show-more {
    text-align: center;
}

/* App Section */
.app-section {
    background: var(--bg-light);
    padding: 60px 0;
    text-align: center;
}

.app-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
    color: var(--text-color);
}

.app-content p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.app-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.app-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--white);
    padding: 15px 25px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-color);
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.app-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.app-btn i {
    font-size: 36px;
    color: var(--text-color);
}

.app-btn div {
    text-align: left;
}

.app-btn span {
    display: block;
    font-size: 12px;
    color: var(--text-light);
}

.app-btn strong {
    display: block;
    font-size: 18px;
    font-weight: 600;
}

/* About Section */
.about-section {
    padding: 60px 0;
    text-align: center;
}

.about-logo h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-content p {
    font-size: 16px;
    color: var(--text-light);
    max-width: 900px;
    margin: 0 auto 15px;
    line-height: 1.8;
}

.company-name {
    font-weight: 600;
    color: var(--text-color);
    margin-top: 20px;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 18px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-logo h3 {
    color: var(--white);
    margin-bottom: 15px;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 15px;
}

.social-links h4 {
    margin-bottom: 15px;
    font-size: 16px;
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.social-icons a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

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

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.language-selector-footer {
    display: flex;
    align-items: center;
    gap: 5px;
    color: rgba(255, 255, 255, 0.8);
}

/* Mobile Menu */
@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        transition: left 0.3s;
        z-index: 999;
        overflow-y: auto;
        box-shadow: var(--shadow);
    }

    .main-nav.mobile-active {
        left: 0;
    }

    .main-nav ul {
        flex-direction: column;
        padding: 20px;
        gap: 0;
    }

    .main-nav ul li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .main-nav a {
        padding: 15px 0;
        width: 100%;
    }

    .dropdown {
        position: static;
        box-shadow: none;
        border-radius: 0;
        margin-top: 0;
        padding: 0;
        background: var(--bg-light);
    }

    .has-dropdown:hover .dropdown,
    .has-dropdown.active .dropdown {
        display: block;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .mobile-menu-toggle {
        display: block;
    }

    .header-actions {
        gap: 10px;
    }

    .auth-buttons {
        display: none;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .countries-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 15px;
    }

    .tabs {
        flex-wrap: wrap;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 40px 0;
    }

    .hero-title {
        font-size: 24px;
    }

    .app-content h2 {
        font-size: 24px;
    }

    .countries-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Breadcrumb */
.breadcrumb {
    padding: 20px 0;
    font-size: 14px;
}

.breadcrumb a {
    color: var(--text-light);
    text-decoration: none;
}

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

.breadcrumb span {
    margin: 0 10px;
    color: var(--text-light);
}

/* Product Detail Page */
.product-detail-section {
    padding: 40px 0;
    background: var(--bg-light);
    min-height: calc(100vh - 200px);
}

.product-detail-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
    align-items: start;
}

/* Left Column - Product Selection */
.product-selection-column {
    background: var(--white);
    padding: 0;
}

.product-selection-column h1 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 40px;
    color: var(--text-color);
    line-height: 1.5;
}

.product-specs-selector {
    background: var(--white);
    border: 2px solid #e8ecf1;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
}

.spec-selector-item {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e8ecf1;
}

.spec-selector-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.spec-selector-item label {
    display: block;
    margin-bottom: 15px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 16px;
}

.spec-selector-item.price-display {
    border-bottom: none;
    padding-top: 10px;
}

.price-display-inline {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price-display-inline .price-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.price-display-inline .currency {
    font-size: 16px;
    color: var(--text-light);
    font-weight: 500;
}

.coverage-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 30px;
    text-decoration: none;
    transition: all 0.3s;
}

.coverage-link:hover {
    color: #0052a3;
    gap: 12px;
}

.package-selection {
    margin-bottom: 40px;
}

.package-selection h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-color);
}

.package-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 30px;
}

.package-card {
    background: var(--white);
    border: 2px solid #e8ecf1;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.package-card:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
    transform: translateY(-2px);
}

.package-card.selected {
    border-color: var(--primary-color);
    background: #f0f7ff;
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.package-duration {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 8px;
}

.package-description {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.package-detail-link {
    font-size: 12px;
    color: var(--primary-color);
    text-decoration: none;
    display: block;
    margin-bottom: 10px;
}

.package-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 10px;
}

.device-compatibility {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.device-compatibility h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
}

.compatibility-controls {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 15px;
}

.compatibility-select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e8ecf1;
    border-radius: 8px;
    font-size: 14px;
    background: var(--white);
    cursor: pointer;
    transition: all 0.3s;
}

.compatibility-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.compatibility-note {
    font-size: 12px;
    color: var(--text-light);
    line-height: 1.6;
}

.compatibility-note a {
    color: var(--primary-color);
    text-decoration: none;
}

.quantity-selection {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.quantity-selection label {
    font-weight: 600;
    color: var(--text-color);
}

.quantity-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.quantity-control .qty-btn {
    width: 40px;
    height: 40px;
    border: 2px solid #e8ecf1;
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-control .qty-btn:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
}

.quantity-control input {
    width: 60px;
    padding: 10px;
    text-align: center;
    border: 2px solid #e8ecf1;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
}

.payment-methods {
    margin-top: 30px;
    padding-top: 25px;
    border-top: 1px solid #e8ecf1;
}

.payment-label {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
    text-align: center;
}

.payment-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.payment-icons img {
    height: 30px;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.payment-icons img:hover {
    opacity: 1;
}

/* Right Column - Product Details */
.product-details-column {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.product-image-large {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    padding: 50px 30px;
    text-align: center;
    color: var(--white);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.product-image-large::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><path d="M0,300 Q300,200 600,300 T1200,300 L1200,600 L0,600 Z" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: cover;
    opacity: 0.3;
}

.product-image-large h2 {
    font-size: 28px;
    font-weight: 700;
    margin-top: 20px;
    position: relative;
    z-index: 1;
}

.product-tabs {
    display: flex;
    gap: 0;
    border-bottom: 2px solid #e8ecf1;
    background: var(--white);
    border-radius: 12px 12px 0 0;
    overflow: hidden;
}

.tab-btn {
    flex: 1;
    padding: 15px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: #f8f9fa;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: #f8f9fa;
}

.tab-content {
    display: none;
    background: var(--white);
    padding: 25px;
    border-radius: 0 0 12px 12px;
    min-height: 200px;
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-color);
}

.compatibility-list {
    list-style: none;
    padding: 0;
}

.compatibility-list li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #f0f4f8;
}

.compatibility-list li:last-child {
    border-bottom: none;
}

.compatibility-list i {
    color: var(--secondary-color);
    font-size: 16px;
}

.installation-steps {
    padding-left: 20px;
}

.installation-steps li {
    padding: 10px 0;
    line-height: 1.8;
    color: var(--text-color);
}

.product-info {
    background: var(--white);
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.product-info h1 {
    font-size: 32px;
    line-height: 1.4;
    margin-bottom: 35px;
    margin-top: 0;
    color: var(--text-color);
    font-weight: 700;
    letter-spacing: -0.5px;
    padding-bottom: 30px;
    border-bottom: 2px solid #f0f4f8;
}

.product-specs {
    background: var(--white);
    border: 2px solid #e8ecf1;
    padding: 35px;
    border-radius: 16px;
    margin-bottom: 30px;
    margin-top: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    flex: 1;
}

.spec-item {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px dashed #e0e6ed;
    position: relative;
}

.spec-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.spec-item label {
    display: block;
    margin-bottom: 15px;
    font-weight: 700;
    color: var(--text-color);
    font-size: 18px;
    letter-spacing: 0.3px;
}

.spec-control {
    display: flex;
    align-items: center;
    gap: 15px;
}

.spec-btn {
    width: 48px;
    height: 48px;
    border: 2px solid #d1d9e0;
    background: var(--white);
    border-radius: 10px;
    cursor: pointer;
    font-size: 22px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.spec-btn:hover {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.25);
}

.spec-btn:active {
    transform: translateY(0);
}

.spec-control input {
    width: 120px;
    padding: 14px 16px;
    text-align: center;
    border: 2px solid #d1d9e0;
    border-radius: 10px;
    font-size: 20px;
    font-weight: 700;
    background: var(--white);
    color: var(--text-color);
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.spec-control input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

.price-display {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding-top: 5px;
}

.price-value {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -1px;
    line-height: 1;
}

.currency {
    font-size: 22px;
    color: #6b7280;
    font-weight: 600;
    margin-left: 5px;
}

.product-actions {
    display: flex;
    gap: 15px;
    margin-top: 0;
    margin-bottom: 0;
}

.btn-buy {
    flex: 1;
    padding: 15px 24px;
    font-size: 16px;
    font-weight: 600;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-buy:hover {
    background: #0052a3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn-add-cart {
    flex: 1;
    padding: 15px 24px;
    font-size: 16px;
    font-weight: 600;
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn-add-cart:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.product-sidebar {
    display: flex;
    flex-direction: column;
    gap: 25px;
    position: sticky;
    top: 120px;
}

.product-image {
    text-align: center;
    padding: 40px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 16px;
    height: fit-content;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.3);
    color: var(--white);
}

.country-flag-large {
    font-size: 120px;
    margin-bottom: 20px;
    line-height: 1;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

.product-image h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--white);
}

.product-image p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.6;
}

.product-features {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.product-features h3 {
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 600;
    color: var(--text-color);
}

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

.product-features li {
    padding: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-color);
}

.product-features li:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.product-features i {
    color: var(--secondary-color);
    font-size: 18px;
    width: 24px;
    flex-shrink: 0;
}

.product-description {
    padding: 40px;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-top: 30px;
}

.product-description h3 {
    margin-bottom: 25px;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-color);
}

.product-description p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 20px;
}

.product-description ul {
    margin: 25px 0;
    padding-left: 25px;
    list-style: disc;
}

.product-description li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 10px;
}

/* Cart Page */
.cart-section {
    padding: 40px 0;
}

.cart-section h1 {
    margin-bottom: 30px;
}

.cart-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.cart-items {
    background: var(--white);
    border-radius: 12px;
    padding: 20px;
}

.empty-cart {
    text-align: center;
    padding: 60px 20px;
}

.empty-cart i {
    font-size: 64px;
    color: var(--text-light);
    margin-bottom: 20px;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.cart-item:last-child {
    border-bottom: none;
}

.cart-item-flag {
    font-size: 48px;
}

.cart-item-info {
    flex: 1;
}

.cart-item-info h4 {
    margin-bottom: 5px;
}

.cart-item-info p {
    color: var(--text-light);
    font-size: 14px;
}

.cart-item-price {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 20px;
    padding: 5px;
    transition: color 0.3s;
}

.cart-item-remove:hover {
    color: #ff0000;
}

.cart-summary {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    height: fit-content;
    position: sticky;
    top: 100px;
}

.cart-summary h3 {
    margin-bottom: 20px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-row.total {
    border-bottom: none;
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
}

.btn-checkout {
    width: 100%;
    margin-top: 20px;
    margin-bottom: 15px;
}

/* Auth Pages */
.auth-section {
    padding: 60px 0;
    min-height: calc(100vh - 400px);
    display: flex;
    align-items: center;
}

.auth-container {
    max-width: 500px;
    margin: 0 auto;
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.auth-container h1 {
    text-align: center;
    margin-bottom: 30px;
}

.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.auth-form input,
.auth-form select,
.auth-form textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.auth-form input:focus,
.auth-form select:focus,
.auth-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.forgot-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
}

.forgot-link:hover {
    text-decoration: underline;
}

.btn-block {
    width: 100%;
    margin-bottom: 20px;
}

.auth-divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    background: var(--white);
    padding: 0 15px;
    position: relative;
    color: var(--text-light);
}

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

.btn-social {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    background: var(--white);
    color: var(--text-color);
}

.btn-google:hover {
    border-color: #db4437;
    color: #db4437;
}

.btn-facebook:hover {
    border-color: #4267B2;
    color: #4267B2;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Guide Pages */
.guide-section,
.check-device-section {
    padding: 40px 0;
}

.guide-section h1,
.check-device-section h1 {
    margin-bottom: 40px;
    text-align: center;
}

.guide-step {
    display: flex;
    gap: 30px;
    margin-bottom: 40px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 12px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    flex-shrink: 0;
}

.step-content h3 {
    margin-bottom: 10px;
}

.guide-note {
    background: #fff3cd;
    padding: 20px;
    border-radius: 12px;
    margin: 40px 0;
    border-left: 4px solid #ffc107;
}

.guide-note h3 {
    margin-bottom: 15px;
    color: #856404;
}

.guide-note ul {
    margin-left: 20px;
}

.guide-video {
    margin-top: 40px;
}

.video-placeholder {
    background: var(--bg-light);
    padding: 60px;
    text-align: center;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s;
}

.video-placeholder:hover {
    background: var(--border-color);
}

.video-placeholder i {
    font-size: 64px;
    color: var(--text-light);
    margin-bottom: 15px;
}

/* Check Device Page */
.device-checker {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.device-selector h3 {
    margin-bottom: 20px;
    text-align: center;
}

.device-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 30px;
}

.device-btn {
    padding: 15px 30px;
    border: 2px solid var(--border-color);
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    transition: all 0.3s;
}

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

.device-compatible {
    text-align: center;
    padding: 30px;
}

.device-compatible i {
    font-size: 64px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.device-compatible h3 {
    margin-bottom: 10px;
}

.compatible-devices {
    margin-top: 40px;
}

.compatible-devices h3 {
    margin-bottom: 30px;
}

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

.device-category {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.device-category h4 {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.device-category li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

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

/* FAQ Page */
.faq-section {
    padding: 40px 0;
}

.faq-section h1 {
    margin-bottom: 40px;
    text-align: center;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-question h3 {
    margin: 0;
    font-size: 18px;
}

.faq-question i {
    transition: transform 0.3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 20px 20px;
    color: var(--text-light);
    line-height: 1.8;
}

.faq-answer a {
    color: var(--primary-color);
    text-decoration: none;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* About Page */
.about-page-section {
    padding: 40px 0;
}

.about-page-section h1 {
    margin-bottom: 40px;
    text-align: center;
}

.about-intro {
    text-align: center;
    margin-bottom: 50px;
}

.about-intro h2 {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-intro p {
    font-size: 18px;
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto 20px;
}

.about-features {
    margin: 50px 0;
}

.about-features h3 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 28px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 12px;
}

.feature-item i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-item h4 {
    margin-bottom: 10px;
}

.about-mission {
    text-align: center;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 12px;
}

.about-mission h3 {
    margin-bottom: 20px;
    font-size: 28px;
}

.about-mission p {
    font-size: 18px;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* Blog Page */
.blog-section {
    padding: 40px 0;
}

.blog-section h1 {
    margin-bottom: 40px;
    text-align: center;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.blog-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-image i {
    font-size: 64px;
    color: var(--white);
}

.blog-content {
    padding: 20px;
}

.blog-date {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 10px;
}

.blog-content h3 {
    margin-bottom: 10px;
    font-size: 20px;
}

.blog-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.read-more:hover {
    text-decoration: underline;
}

/* Contact Page */
.contact-section {
    padding: 40px 0;
}

.contact-section h1 {
    margin-bottom: 40px;
    text-align: center;
}

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

.contact-info h3 {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 12px;
}

.contact-item i {
    font-size: 24px;
    color: var(--primary-color);
    width: 40px;
    flex-shrink: 0;
}

.contact-item h4 {
    margin-bottom: 5px;
}

.contact-item p {
    color: var(--text-light);
    margin: 0;
}

.contact-form-container {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.contact-form-container h3 {
    margin-bottom: 20px;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Country Products Page */
.country-products-section {
    padding: 40px 0;
}

.country-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px;
    background: var(--bg-light);
    border-radius: 12px;
}

.country-header .country-flag-large {
    font-size: 120px;
    margin-bottom: 20px;
}

.country-header h1 {
    font-size: 36px;
    margin: 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.product-card-header {
    background: var(--primary-color);
    color: var(--white);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-days,
.product-gb {
    font-weight: 600;
    font-size: 18px;
}

.product-card-body {
    padding: 20px;
    text-align: center;
}

.product-price {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.btn-sm {
    padding: 10px 20px;
    font-size: 14px;
}

/* Notification */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: var(--shadow-hover);
    z-index: 10000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s;
}

.notification.show {
    opacity: 1;
    transform: translateY(0);
}

/* How eSIM Works Section */
.how-esim-works {
    padding: 60px 0;
    background: var(--white);
}

.how-esim-works h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 50px;
    color: var(--text-color);
}

.works-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.work-step {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 16px;
    transition: all 0.3s;
}

.work-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step-icons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
    font-size: 32px;
    color: var(--primary-color);
}

.work-step h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
    line-height: 1.5;
}

.work-step p {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 15px;
}

.step-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 15px;
}

.step-links a {
    font-size: 12px;
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s;
}

.step-links a:hover {
    text-decoration: underline;
}

/* Support Section */
.support-section {
    padding: 50px 0;
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
}

.support-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
}

.support-section p {
    font-size: 16px;
    margin-bottom: 25px;
    opacity: 0.9;
}

.btn-chat {
    padding: 15px 40px;
    background: var(--white);
    color: var(--primary-color);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-chat:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* FAQ Section */
.faq-section {
    padding: 60px 0;
    background: var(--bg-light);
}

.faq-section h2 {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--text-color);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s;
}

.faq-question:hover {
    background: #f8f9fa;
}

.faq-question span {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    flex: 1;
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 25px 20px;
    color: var(--text-color);
    line-height: 1.8;
}

/* Responsive for new pages */
@media (max-width: 768px) {
    .product-detail-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .package-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .works-steps {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .product-info h1 {
        font-size: 24px;
        margin-bottom: 25px;
    }
    
    .product-specs {
        padding: 25px;
    }
    
    .spec-item label {
        font-size: 16px;
    }
    
    .spec-btn {
        width: 42px;
        height: 42px;
        font-size: 20px;
    }
    
    .spec-control input {
        width: 100px;
        font-size: 18px;
    }
    
    .price-value {
        font-size: 36px;
    }
    
    .product-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .product-sidebar {
        position: static;
    }
    
    .cart-content {
        grid-template-columns: 1fr;
    }
    
    .cart-summary {
        position: static;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .guide-step {
        flex-direction: column;
        text-align: center;
    }
    
    .devices-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .device-buttons {
        flex-direction: column;
    }
    
    .payment-layout {
        grid-template-columns: 1fr;
    }
}

/* Payment Page */
.payment-progress {
    background: var(--white);
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

.progress-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    flex: 1;
    position: relative;
}

.step::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 60%;
    width: 80%;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.step:last-child::after {
    display: none;
}

.step.active .step-circle {
    background: var(--primary-color);
    color: var(--white);
}

.step.active::after {
    background: var(--primary-color);
}

.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    position: relative;
    z-index: 1;
}

.step span {
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    color: var(--text-light);
}

.step.active span {
    color: var(--primary-color);
}

.payment-section {
    padding: 40px 0;
    background: var(--bg-light);
    min-height: calc(100vh - 400px);
}

.payment-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 30px;
}

.payment-card {
    background: var(--white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.payment-card h2 {
    margin-bottom: 20px;
    font-size: 20px;
    color: var(--text-color);
}

.payment-card h2 .subtitle {
    font-size: 14px;
    font-weight: normal;
    color: var(--text-light);
}

.payment-form .form-group {
    margin-bottom: 20px;
}

.payment-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-color);
}

.payment-form .required {
    color: #ff0000;
}

.payment-form input[type="text"],
.payment-form input[type="email"],
.payment-form input[type="tel"] {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.payment-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-checkbox {
    margin: 20px 0;
}

.form-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-weight: normal;
    font-size: 14px;
    color: var(--text-light);
}

.form-checkbox input[type="checkbox"] {
    margin-top: 3px;
    cursor: pointer;
}

.payment-methods {
    margin-bottom: 30px;
}

.payment-method {
    display: block;
    margin-bottom: 15px;
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.payment-method:hover {
    border-color: var(--primary-color);
    background: var(--bg-light);
}

.payment-method input[type="radio"] {
    display: none;
}

.payment-method input[type="radio"]:checked + .method-content {
    color: var(--primary-color);
}

.payment-method:has(input[type="radio"]:checked) {
    border-color: var(--primary-color);
    background: rgba(0, 102, 204, 0.05);
}

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

.method-content span {
    font-weight: 600;
}

.method-logos {
    display: flex;
    gap: 10px;
    font-size: 24px;
}

.btn-payment {
    width: 100%;
    padding: 18px;
    font-size: 18px;
    font-weight: 600;
    margin-top: 20px;
}

.promo-code {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.promo-code input {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
}

.promo-code input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.payment-product-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 15px;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
}

.payment-product-item:last-child {
    border-bottom: none;
}

.product-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.product-flag {
    font-size: 32px;
}

.product-details {
    flex: 1;
}

.product-name {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 14px;
}

.product-specs {
    font-size: 12px;
    color: var(--text-light);
}

.product-quantity {
    display: flex;
    align-items: center;
    gap: 10px;
}

.qty-btn {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border-color);
    background: var(--white);
    border-radius: 6px;
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

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

.product-quantity input[type="number"] {
    width: 60px;
    padding: 8px;
    text-align: center;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
}

.product-quantity input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.product-price {
    font-weight: 600;
    color: var(--primary-color);
    text-align: right;
}

.remove-btn {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 18px;
    padding: 5px;
    transition: color 0.3s;
}

.remove-btn:hover {
    color: #ff0000;
}

.order-summary {
    margin-top: 20px;
}

.order-summary .summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.order-summary .summary-row.total {
    border-bottom: none;
    border-top: 2px solid var(--border-color);
    padding-top: 15px;
    margin-top: 10px;
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .payment-layout {
        grid-template-columns: 1fr;
    }
    
    .progress-steps {
        flex-direction: column;
        gap: 20px;
    }
    
    .step::after {
        display: none;
    }
    
    .payment-product-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .product-price {
        text-align: left;
    }
}