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

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
    --aurora-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
    --soft-gradient: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 50%, rgba(79, 172, 254, 0.1) 100%);
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --bg-light: rgba(255, 255, 255, 0.8);
    --bg-transparent: rgba(255, 255, 255, 0.1);
    --border-color: rgba(102, 126, 234, 0.2);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 600;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    cursor: pointer;
}

.logo a {
    text-decoration: none;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
    animation: aurora-shimmer 2s ease-in-out infinite;
}

@keyframes aurora-shimmer {
    0%, 100% { filter: brightness(1) hue-rotate(0deg); }
    50% { filter: brightness(1.3) hue-rotate(20deg); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 400;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    background: transparent;
}

.nav-link:hover,
.nav-link.active {
    background: var(--aurora-gradient);
    color: white;
    transform: translateY(-2px);
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    list-style: none;
    min-width: 220px;
    padding: 0.5rem 0;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.dropdown-menu li a:hover {
    background: var(--soft-gradient);
    color: #667eea;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-container {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 25px;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.search-container:focus-within {
    background: rgba(255, 255, 255, 0.9);
    border-color: #667eea;
    box-shadow: 0 0 20px rgba(102, 126, 234, 0.2);
}

.search-box {
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.9rem;
    width: 200px;
    color: var(--text-primary);
}

.search-box::placeholder {
    color: var(--text-secondary);
}

.search-btn {
    background: var(--soft-gradient);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 0.4rem 0.8rem;
    margin-left: 0.5rem;
    transition: all 0.3s ease;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
}

.search-btn:hover {
    background: var(--aurora-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.social-icons {
    display: flex;
    gap: 0.75rem;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--soft-gradient);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.social-icon:hover {
    background: var(--aurora-gradient);
    color: white;
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

/* Hero Section */
.hero-section {
    padding: 4rem 2rem;
    text-align: center;
    background: var(--soft-gradient);
    margin: 2rem auto;
    max-width: 1400px;
    border-radius: 20px;
    margin-top: 2rem;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 300;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 300;
}

/* Category Filter */
.category-filter {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.6);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.filter-btn:hover {
    background: var(--soft-gradient);
    transform: translateY(-2px);
}

.filter-btn.active {
    background: var(--aurora-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

/* Articles Section */
.articles-section {
    max-width: 1400px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.articles-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
}

.article-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.article-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: var(--soft-gradient);
}

.article-content {
    padding: 2rem;
}

.article-category {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--soft-gradient);
    border-radius: 20px;
    font-size: 0.8rem;
    color: #667eea;
    margin-bottom: 1rem;
    font-weight: 500;
}

.article-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.3;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-excerpt {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.read-more {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.read-more:hover {
    color: #764ba2;
    transform: translateX(5px);
}

/* Pagination */
.pagination-section {
    max-width: 1400px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.pagination-btn {
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.6);
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.pagination-btn:hover {
    background: var(--soft-gradient);
    transform: translateY(-2px);
}

.pagination-btn.active {
    background: var(--aurora-gradient);
    color: white;
    border-color: transparent;
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Article Page */
.article-main {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.article-content {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3rem;
    border: 1px solid var(--border-color);
}

.article-header {
    margin-bottom: 2rem;
}

.article-header .article-category {
    margin-bottom: 1rem;
}

.article-header .article-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.article-header .article-meta {
    font-size: 0.9rem;
}

.article-body {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 1.5rem;
}

.article-body img {
    width: 100%;
    border-radius: 15px;
    margin: 2rem 0;
    background: var(--soft-gradient);
    min-height: 300px;
    object-fit: cover;
}

.article-body h2 {
    font-size: 2rem;
    font-weight: 600;
    margin: 2.5rem 0 1.5rem;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.article-body h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

/* Recommended Products */
.recommended-products {
    margin-top: 4rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 2rem;
    text-align: center;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(102, 126, 234, 0.2);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
    background: var(--soft-gradient);
}

.product-name {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.product-price {
    font-size: 1.2rem;
    font-weight: 600;
    color: #667eea;
}

/* Product Page */
.product-main {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.product-container {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.product-image-large {
    width: 100%;
    border-radius: 15px;
    background: var(--soft-gradient);
    min-height: 500px;
    object-fit: cover;
}

.product-details h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-details .product-category {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--soft-gradient);
    border-radius: 20px;
    font-size: 0.8rem;
    color: #667eea;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.product-details .product-price {
    font-size: 2rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 1.5rem;
}

.product-details .product-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 2rem;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.product-features li:last-child {
    border-bottom: none;
}

/* About Page */
.about-main {
    max-width: 1400px;
    margin: 3rem auto;
    padding: 0 2rem;
}

/* About Section */
.about-section {
    max-width: 1400px;
    margin: 0 auto;
}

.about-container {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

/* Contact Page */
.contact-main {
    max-width: 1400px;
    margin: 3rem auto;
    padding: 0 2rem;
}

/* Contact Section */
.contact-section {
    max-width: 1400px;
    margin: 0 auto;
}

.contact-container {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-info p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.contact-details {
    margin-top: 2rem;
}

.contact-details p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.contact-details strong {
    color: var(--text-primary);
    font-weight: 600;
}

.contact-item {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.contact-item:last-of-type {
    border-bottom: none;
}

.contact-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-item p {
    margin-bottom: 0.75rem;
    font-size: 1rem;
    line-height: 1.8;
}

.contact-item a {
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
}

.contact-item a:hover {
    color: #764ba2;
    text-decoration: underline;
}

.contact-hours {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-hours h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--text-primary);
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-hours p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.contact-hours strong {
    color: var(--text-primary);
    font-weight: 600;
}

.timezone-note {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-top: 1rem;
}

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

.footer-section a:hover {
    color: #667eea;
    text-decoration: underline;
}

/* Footer */
.footer {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    margin-top: 5rem;
    padding: 3rem 0 1.5rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    font-weight: 600;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: #667eea;
    transform: translateX(5px);
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.footer-social-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 600;
    background: var(--soft-gradient);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.footer-social-icon:hover {
    background: var(--aurora-gradient);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

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

.footer-bottom a:hover {
    color: #667eea;
    text-decoration: underline;
}

/* Privacy Policy Page */
.privacy-main {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.privacy-container {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-color);
}

.privacy-title {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.privacy-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 3rem;
    font-style: italic;
}

.privacy-section {
    margin-bottom: 3rem;
}

.privacy-section h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    background: var(--aurora-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.privacy-section h3 {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.privacy-section p {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.privacy-section ul {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.privacy-section li {
    font-size: 1.1rem;
    line-height: 1.9;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.privacy-section strong {
    color: var(--text-primary);
    font-weight: 600;
}

.privacy-contact {
    background: var(--soft-gradient);
    padding: 2rem;
    border-radius: 15px;
    margin-top: 1.5rem;
}

.privacy-contact p {
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-menu {
        flex-direction: column;
        width: 100%;
        gap: 0.5rem;
    }

    .nav-right {
        width: 100%;
        justify-content: space-between;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .articles-container {
        grid-template-columns: 1fr;
    }

    .product-container {
        grid-template-columns: 1fr;
    }

    .article-content {
        padding: 2rem;
    }

    .privacy-container {
        padding: 2rem;
    }

    .privacy-title {
        font-size: 2rem;
    }

    .privacy-section h2 {
        font-size: 1.5rem;
    }

    .privacy-section h3 {
        font-size: 1.2rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

.article-card,
.product-card {
    animation: fadeIn 0.5s ease-out;
}