/* VitalWealth - Minimalist Blog Design */

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

/* ==================== ROOT VARIABLES ==================== */
:root {
    /* Minimalist Color Palette - Limited Colors */
    --primary-color: #1a1a1a;
    --secondary-color: #f5f5f5;
    --accent-color: #333;
    --text-primary: #1a1a1a;
    --text-secondary: #666;
    --border-color: #e0e0e0;
    --white: #ffffff;
    
    /* Spacing - Generous Whitespace */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.8;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== BASE STYLES ==================== */
html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--white);
    line-height: var(--line-height-base);
    overflow-x: hidden;
}

/* ==================== TYPOGRAPHY ==================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 300;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==================== LAYOUT CONTAINERS ==================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ==================== HEADER ==================== */
.header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: 0.05em;
    margin: 0;
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-list a {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 0.25rem;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-color);
    transition: var(--transition-smooth);
}

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-smooth);
}

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

.dropdown-menu li {
    padding: var(--spacing-xs) var(--spacing-md);
}

.dropdown-menu a {
    font-size: 0.85rem;
    text-transform: none;
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    color: var(--text-secondary);
}

.search-icon {
    cursor: pointer;
    font-size: 1.2rem;
    padding: var(--spacing-sm);
    transition: var(--transition-smooth);
    border-radius: 50%;
}

.search-icon:hover {
    background-color: var(--secondary-color);
    transform: scale(1.1);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-smooth);
}

/* Search Bar - Enhanced Version */
.search-bar {
    background: linear-gradient(to bottom, var(--white), var(--secondary-color));
    padding: var(--spacing-lg) 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    border-bottom: 1px solid transparent;
}

.search-bar.active {
    max-height: 150px;
    opacity: 1;
    border-bottom-color: var(--border-color);
}

.search-bar .container {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    max-width: 800px;
    margin: 0 auto;
}

.search-bar input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-color);
    background-color: var(--white);
    font-size: 1.125rem;
    font-family: var(--font-primary);
    outline: none;
    transition: var(--transition-smooth);
    border-radius: 50px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.search-bar input::placeholder {
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.02em;
}

.search-bar input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

#searchClose {
    background: var(--white);
    border: 2px solid var(--border-color);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

#searchClose:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
    transform: rotate(90deg) scale(1.1);
}

/* ==================== HERO SECTION ==================== */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background-color: var(--secondary-color);
}

.hero-content h2 {
    font-size: 3.5rem;
    font-weight: 200;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* ==================== PAGE HEADER ==================== */
.page-header {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    background-color: var(--secondary-color);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 200;
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    font-size: 1.125rem;
}

/* ==================== CATEGORIES SECTION ==================== */
.categories-section {
    padding: var(--spacing-xl) 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.category-card {
    text-align: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
    background-color: var(--white);
}

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

.category-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.category-card h3 {
    font-size: 1.125rem;
    font-weight: 400;
    margin: 0;
}

/* ==================== ARTICLES SECTION ==================== */
.articles-section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 200;
    margin-bottom: var(--spacing-lg);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.article-card {
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-smooth);
    background-color: var(--white);
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

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

.article-card:nth-child(1) { animation-delay: 0.1s; }
.article-card:nth-child(2) { animation-delay: 0.2s; }
.article-card:nth-child(3) { animation-delay: 0.3s; }
.article-card:nth-child(4) { animation-delay: 0.4s; }
.article-card:nth-child(5) { animation-delay: 0.5s; }
.article-card:nth-child(6) { animation-delay: 0.6s; }

.article-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
}

.article-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
    background-color: var(--secondary-color);
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-info {
    padding: var(--spacing-md);
}

.article-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.category {
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-info h3 {
    font-size: 1.375rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.read-more {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-color);
    font-weight: 500;
}

/* ==================== PAGINATION ==================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.pagination button,
.pagination span {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    background-color: var(--white);
    cursor: pointer;
    transition: var(--transition-smooth);
    min-width: 40px;
    text-align: center;
}

.pagination button:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.pagination button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination button:disabled:hover {
    background-color: var(--white);
    color: var(--text-primary);
    border-color: var(--border-color);
}

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

/* ==================== ARTICLE DETAIL ==================== */
.article-detail {
    padding: var(--spacing-xl) 0;
}

.article-header {
    margin-bottom: var(--spacing-lg);
}

.article-header .article-meta {
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.article-header h1 {
    font-size: 3rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.article-detail .article-image {
    height: 500px;
    margin-bottom: var(--spacing-lg);
}

.article-content {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--text-primary);
}

.article-content h2 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.article-content h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
}

.article-content p {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.article-content img {
    margin: var(--spacing-lg) 0;
    width: 100%;
    height: auto;
}

.article-content ul, .article-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
    list-style-position: outside;
}

.article-content ul {
    list-style-type: disc;
}

.article-content ol {
    list-style-type: decimal;
}

.article-content li {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.article-content a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 600;
    border-bottom: 2px solid #0066cc;
    padding-bottom: 2px;
    transition: var(--transition-smooth);
    position: relative;
}

.article-content a:hover {
    color: #004499;
    border-bottom-color: #004499;
    background-color: rgba(0, 102, 204, 0.1);
    padding: 2px 4px;
    border-radius: 2px;
}

.article-content a:active {
    transform: translateY(1px);
}

/* ==================== PRODUCTS SECTION ==================== */
.related-products {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.related-products h2 {
    text-align: center;
    font-weight: 300;
    margin-bottom: var(--spacing-lg);
}

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

.product-card {
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    text-align: center;
    transition: var(--transition-smooth);
    background-color: var(--white);
}

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

.product-image {
    width: 100%;
    height: 200px;
    margin-bottom: var(--spacing-md);
    overflow: hidden;
    background-color: var(--secondary-color);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card h3 {
    font-size: 1.125rem;
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
}

.product-price {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
    margin: var(--spacing-sm) 0;
}

.product-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.product-link {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: var(--transition-smooth);
}

.product-link:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* ==================== ABOUT PAGE ==================== */
.about-content {
    padding: var(--spacing-xl) 0;
}

.about-section {
    margin-bottom: var(--spacing-xl);
}

.about-section h2 {
    font-weight: 300;
    margin-bottom: var(--spacing-md);
}

.about-section p {
    font-size: 1.125rem;
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

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

.about-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--text-primary);
}

.about-list li::before {
    content: '—';
    position: absolute;
    left: 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.value-card {
    text-align: center;
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.value-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.value-card h3 {
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
}

.value-card p {
    font-size: 1rem;
}

/* ==================== CONTACT PAGE ==================== */
.contact-content {
    padding: var(--spacing-xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-info h2 {
    font-weight: 300;
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.contact-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: var(--spacing-xs);
}

.contact-item h3 {
    font-weight: 400;
    margin-bottom: var(--spacing-xs);
}

.contact-item p {
    margin: 0;
}

.contact-form-wrapper {
    position: relative;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    font-family: var(--font-primary);
    font-size: 1rem;
    outline: none;
    transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
}

.btn-submit {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-submit:hover {
    opacity: 0.8;
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
}

.form-success.active {
    display: block;
}

.form-success i {
    font-size: 3rem;
    color: #4caf50;
    margin-bottom: var(--spacing-md);
}

.form-success p {
    font-size: 1.125rem;
    color: var(--text-primary);
}

/* ==================== FOOTER ==================== */
.footer {
    background-color: var(--secondary-color);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-section p {
    line-height: 1.8;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

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

.social-icons {
    display: flex;
    gap: var(--spacing-sm);
}

.social-icons a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    font-size: 1.125rem;
    transition: var(--transition-smooth);
}

.social-icons a:hover {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    font-size: 0.9rem;
}

/* ==================== SEARCH PAGE ==================== */
.search-page {
    padding: var(--spacing-xl) 0;
    min-height: 70vh;
}

.search-page-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.search-page-header h1 {
    font-size: 3rem;
    font-weight: 200;
    margin-bottom: var(--spacing-sm);
}

.search-page-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.search-page-box {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
    background: var(--white);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.search-input-icon {
    position: absolute;
    left: var(--spacing-md);
    font-size: 1.25rem;
    color: var(--text-secondary);
    pointer-events: none;
}

.search-page-box input {
    flex: 1;
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) 3.5rem;
    font-size: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    outline: none;
    transition: var(--transition-smooth);
    font-family: var(--font-primary);
}

.search-page-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.clear-search-btn {
    position: absolute;
    right: var(--spacing-sm);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--secondary-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
}

.clear-search-btn:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: rotate(90deg);
}

/* Search Filters */
.search-filters {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.search-filters label {
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--border-color);
    background: var(--white);
    color: var(--text-primary);
    border-radius: 50px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    font-family: var(--font-primary);
}

.filter-btn:hover {
    border-color: var(--primary-color);
    background: var(--secondary-color);
}

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

/* Search Stats */
.search-stats {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--secondary-color);
    border-radius: 8px;
}

.search-stats p {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.search-stats strong {
    color: var(--primary-color);
    font-weight: 500;
}

.search-stats mark {
    background: var(--primary-color);
    color: var(--white);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Search Results */
.search-results {
    margin-bottom: var(--spacing-xl);
}

/* Highlight search terms */
mark {
    background: #fff3cd;
    color: var(--primary-color);
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 500;
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--spacing-xl) 0;
    display: none;
}

.no-results i {
    font-size: 4rem;
    color: var(--border-color);
    margin-bottom: var(--spacing-md);
}

.no-results h2 {
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
}

.no-results p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
}

.suggestions {
    margin-top: var(--spacing-lg);
}

.suggestions h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.suggestion-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}

.suggestion-tag {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    transition: var(--transition-smooth);
    display: inline-block;
}

.suggestion-tag:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

/* Popular Section */
.popular-section {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

/* Search Page Mobile Optimization */
@media (max-width: 768px) {
    .search-page-header h1 {
        font-size: 2rem;
    }
    
    .search-page-box {
        padding: var(--spacing-md);
    }
    
    .search-page-box input {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 3rem;
    }
    
    .search-input-icon {
        left: var(--spacing-sm);
        font-size: 1.125rem;
    }
    
    .clear-search-btn {
        width: 32px;
        height: 32px;
    }
    
    .filter-buttons {
        gap: var(--spacing-xs);
    }
    
    .filter-btn {
        font-size: 0.85rem;
        padding: 6px 12px;
    }
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 968px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .articles-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.875rem; }
    
    .header-content {
        padding: var(--spacing-sm) 0;
    }
    
    /* Mobile Search Bar Optimization */
    .search-bar {
        padding: var(--spacing-md) 0;
    }
    
    .search-bar.active {
        max-height: 120px;
    }
    
    .search-bar .container {
        max-width: 100%;
        gap: var(--spacing-sm);
    }
    
    .search-bar input {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    #searchClose {
        width: 40px;
        height: 40px;
        font-size: 1.125rem;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        border-bottom: 1px solid var(--border-color);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav.active {
        max-height: 500px;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-md) 0;
    }
    
    .nav-list li {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--border-color);
    }
    
    .dropdown-menu {
        position: static;
        border: none;
        padding: 0;
        opacity: 1;
        visibility: visible;
        transform: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .dropdown.active .dropdown-menu {
        max-height: 400px;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-content h2 {
        font-size: 2.5rem;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-header h1 {
        font-size: 2.25rem;
    }
    
    .article-detail .article-image {
        height: 300px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container,
    .container-narrow {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .article-header h1 {
        font-size: 1.75rem;
    }
    
    .pagination {
        gap: var(--spacing-xs);
    }
    
    .pagination button,
    .pagination span {
        min-width: 35px;
        padding: var(--spacing-xs);
        font-size: 0.875rem;
    }
}