/* ============================================
   CSS VARIABLES & RESET
   ============================================ */

:root {
    /* Colors */
    --color-bg: #FFFFFF;
    --color-text: #1A1A1A;
    --color-text-secondary: #666666;
    --color-border: #E5E5E5;
    --color-accent: #0066CC;
    --color-accent-hover: #0052A3;
    
    /* Category Colors */
    --color-world: #E63946;
    --color-tech: #0066CC;
    --color-markets: #06A77D;
    --color-crypto: #F77F00;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Typography */
    --font-heading: 'Archivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Layout */
    --max-width: 1200px;
    --header-height: 70px;
    --border-radius: 2px;
    
    /* Transitions */
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ============================================
   UTILITIES
   ============================================ */

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

/* ============================================
   HEADER
   ============================================ */

.header {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

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

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 0.25rem 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.search-btn {
    color: var(--color-text-secondary);
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    color: var(--color-text);
}

.subscribe-btn {
    background: var(--color-accent);
    color: white;
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
}

.subscribe-btn:hover {
    background: var(--color-accent-hover);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    width: 20px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition);
}

/* ============================================
   SEARCH MODAL
   ============================================ */

.search-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
}

.search-modal.active {
    display: flex;
}

.search-modal-content {
    background: var(--color-bg);
    width: 90%;
    max-width: 700px;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    position: relative;
}

.search-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    font-size: 2rem;
    color: var(--color-text-secondary);
    line-height: 1;
    padding: 0.25rem 0.5rem;
}

.search-close:hover {
    color: var(--color-text);
}

.search-box {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.search-box input {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1.125rem;
    font-family: inherit;
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.search-submit {
    padding: 1rem 1.5rem;
    background: var(--color-accent);
    color: white;
    border-radius: var(--border-radius);
}

.search-results {
    max-height: 60vh;
    overflow-y: auto;
}

/* ============================================
   MAIN
   ============================================ */

.main {
    padding: var(--spacing-xl) 0;
}

/* ============================================
   HERO SECTION
   ============================================ */

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

.hero-card {
    display: block;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.hero-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.hero-card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.hero-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.hero-card:hover .hero-card-image img {
    transform: scale(1.03);
}

.hero-card-content {
    padding: var(--spacing-lg);
}

.hero-card-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin: var(--spacing-sm) 0 var(--spacing-md);
    letter-spacing: -0.02em;
}

.hero-card-excerpt {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.sidebar-title {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

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

.top-story-item {
    display: block;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.top-story-item:hover {
    border-color: var(--color-text);
}

.top-story-item h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    margin: var(--spacing-xs) 0;
}

/* ============================================
   CATEGORY BADGES
   ============================================ */

.category-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.625rem;
    border-radius: var(--border-radius);
    background: var(--color-text);
    color: white;
}

.category-badge.world {
    background: var(--color-world);
}

.category-badge.tech {
    background: var(--color-tech);
}

.category-badge.markets {
    background: var(--color-markets);
}

.category-badge.crypto {
    background: var(--color-crypto);
}

/* ============================================
   METAL TICKER
   ============================================ */

.metal-ticker {
    background: #F8F9FA;
    border: 1px solid var(--color-border);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.metal-ticker-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.metal-ticker-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.metal-prices {
    display: flex;
    gap: var(--spacing-xl);
    flex: 1;
}

.metal-price {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.metal-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.metal-value {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
}

.metal-change {
    font-size: 0.875rem;
    font-weight: 600;
}

.metal-change.positive {
    color: var(--color-markets);
}

.metal-change.negative {
    color: var(--color-world);
}

.metal-link {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 500;
}

.metal-link:hover {
    color: var(--color-accent-hover);
}

/* ============================================
   CONTENT GRID
   ============================================ */

.content-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-xl);
}

/* ============================================
   ARTICLES FEED
   ============================================ */

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.article-card {
    display: block;
    border: 1px solid var(--color-border);
    overflow: hidden;
    transition: var(--transition);
}

.article-card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.article-card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #F5F5F5;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-card-image img {
    transform: scale(1.03);
}

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

.article-card-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
    margin: var(--spacing-xs) 0 var(--spacing-sm);
    letter-spacing: -0.01em;
}

.article-card-excerpt {
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.article-date {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ============================================
   PAGINATION
   ============================================ */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
}

.pagination-btn {
    padding: 0.625rem 1.25rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.pagination-btn:not(:disabled):hover {
    border-color: var(--color-text);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-pages {
    display: flex;
    gap: var(--spacing-xs);
}

.pagination-page {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-text);
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.pagination-page:hover {
    border-color: var(--color-text);
}

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

.pagination-dots {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-xs);
    color: var(--color-text-secondary);
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.sidebar-block {
    border: 1px solid var(--color-border);
    padding: var(--spacing-lg);
}

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

.sidebar-item {
    display: flex;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.sidebar-item:hover h4 {
    color: var(--color-accent);
}

.sidebar-number {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
}

.sidebar-item-content h4 {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

.sidebar-item-simple {
    display: block;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.sidebar-item-simple:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar-item-simple:hover h4 {
    color: var(--color-accent);
}

.sidebar-item-simple h4 {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-xs);
    transition: var(--transition);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: #F8F9FA;
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
    margin-top: var(--spacing-xxl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-nav a {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.social-icon:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

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

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ============================================
   MODAL
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-bg);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    max-width: 500px;
    width: 90%;
    position: relative;
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    font-size: 2rem;
    color: var(--color-text-secondary);
    line-height: 1;
}

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

.modal-content h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.modal-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

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

.subscribe-form input {
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
}

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

.subscribe-form button {
    padding: 1rem;
    background: var(--color-accent);
    color: white;
    font-weight: 500;
    border-radius: var(--border-radius);
}

.subscribe-form button:hover {
    background: var(--color-accent-hover);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 60px;
    }
    
    .nav {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--color-border);
        gap: var(--spacing-md);
    }
    
    .nav.active {
        display: flex;
    }
    
    .nav-link.active::after {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .hero-card-title {
        font-size: 1.75rem;
    }
    
    .hero-card-excerpt {
        font-size: 1rem;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .metal-ticker-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .metal-prices {
        width: 100%;
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-card-title {
        font-size: 1.5rem;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
    
    .pagination-pages {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: var(--spacing-sm);
    }
}

.pixel-link {
  display: inline-block;
  width: 1px;
  height: 1px;
  overflow: hidden;
  position: absolute;
}