/* style.css */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --background: #ffffff;
    --background-alt: #f9fafb;
    --border-color: #e5e7eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 0.5rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--background);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
.header {
    background: var(--background);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text-dark);
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text .highlight {
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.nav-list a:hover,
.nav-list a.active {
    color: var(--primary-color);
}

.search-container {
    margin-left: 2rem;
}

.search-form {
    display: flex;
}

.search-form input {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius) 0 0 var(--radius);
    outline: none;
    width: 200px;
}

.search-form button {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    border: none;
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    color: white;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    transition: 0.3s;
}

/* Breadcrumbs */
.breadcrumbs {
    padding: 0.75rem 0;
    background: var(--background-alt);
    font-size: 0.875rem;
}

.breadcrumb-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.breadcrumb-list li:not(:last-child):after {
    content: "›";
    margin-left: 0.5rem;
    color: var(--text-light);
}

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

.breadcrumb-list [aria-current="page"] {
    color: var(--text-light);
}

/* Hero Section */
.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--background) 0%, var(--background-alt) 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.hero-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
}

/* Categories Section */
.categories {
    padding: 4rem 0;
}

.categories h2,
.featured-articles h2,
.popular-comparisons h2,
.recommended-tools h2,
.faq-section h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.category-card {
    text-align: center;
    padding: 2rem;
    background: var(--background-alt);
    border-radius: var(--radius);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    margin-bottom: 1rem;
}

.category-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.category-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

/* Articles Grid */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.article-card {
    background: var(--background);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s;
}

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

.article-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.article-content {
    padding: 1.5rem;
}

.article-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    margin-bottom: 1rem;
}

.article-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.article-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

/* Comparisons Grid */
.comparisons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.comparison-card {
    padding: 2rem;
    background: var(--background-alt);
    border-radius: var(--radius);
    border-left: 4px solid var(--primary-color);
}

.comparison-card h3 {
    margin-bottom: 1rem;
}

.comparison-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.comparison-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.tool-card {
    text-align: center;
    padding: 2rem;
    background: var(--background-alt);
    border-radius: var(--radius);
    transition: transform 0.3s;
}

.tool-card:hover {
    transform: translateY(-5px);
}

.tool-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.tool-card h3 {
    margin-bottom: 0.75rem;
}

.tool-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.tool-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    transition: background 0.3s;
}

.tool-link:hover {
    background: var(--primary-dark);
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background: var(--background-alt);
}

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

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--background);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.faq-item h3 {
    margin-bottom: 0.75rem;
    color: var(--primary-color);
}

/* Article Page Styles */
.article-full {
    padding: 2rem 0;
}

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

.article-meta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
}

.article-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.article-excerpt {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

.article-layout {
    display: grid;
    grid-template-columns: 280px 1fr 300px;
    gap: 2rem;
    margin-top: 2rem;
}

/* Table of Contents */
.table-of-contents {
    background: var(--background-alt);
    padding: 1.5rem;
    border-radius: var(--radius);
    position: sticky;
    top: 100px;
}

.table-of-contents h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.table-of-contents ul {
    list-style: none;
}

.table-of-contents li {
    margin-bottom: 0.5rem;
}

.table-of-contents a {
    text-decoration: none;
    color: var(--text-light);
    font-size: 0.875rem;
    transition: color 0.3s;
}

.table-of-contents a:hover {
    color: var(--primary-color);
}

/* Article Content */
.article-content {
    max-width: 100%;
}

.article-content h2 {
    font-size: 1.75rem;
    margin: 2rem 0 1rem;
    padding-top: 1rem;
}

.article-content h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 1rem;
}

.article-content p {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.article-content ul,
.article-content ol {
    margin: 1rem 0 1rem 2rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

/* Comparison Table */
.comparison-table-wrapper {
    overflow-x: auto;
    margin: 2rem 0;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--background);
    border-radius: var(--radius);
    overflow: hidden;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background: var(--primary-color);
    color: white;
}

.comparison-table tr:hover {
    background: var(--background-alt);
}

/* Affiliate Button */
.affiliate-button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--success);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    margin: 1rem 0;
    transition: background 0.3s;
}

.affiliate-button:hover {
    background: #0d9488;
}

/* Sidebar */
.article-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background: var(--background-alt);
    padding: 1.5rem;
    border-radius: var(--radius);
    margin-bottom: 2rem;
}

.sidebar-widget h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.sidebar-widget ul {
    list-style: none;
}

.sidebar-widget li {
    margin-bottom: 0.5rem;
}

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

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

.sidebar-widget input {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.sidebar-widget button {
    width: 100%;
    padding: 0.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.ad-space img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
}

/* Related Articles */
.related-articles {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--background-alt);
    border-radius: var(--radius);
}

.related-articles h3 {
    margin-bottom: 1rem;
}

.related-articles ul {
    list-style: none;
}

.related-articles li {
    margin-bottom: 0.5rem;
}

.related-articles a {
    text-decoration: none;
    color: var(--primary-color);
}

/* Newsletter Section */
.newsletter {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
}

.newsletter h2 {
    margin-bottom: 1rem;
}

.newsletter p {
    margin-bottom: 2rem;
}

.newsletter-form {
    display: flex;
    justify-content: center;
    gap: 1rem;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
}

.newsletter-form button {
    padding: 0.75rem 1.5rem;
    background: var(--text-dark);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background 0.3s;
}

.newsletter-form button:hover {
    background: #111827;
}

.newsletter-note {
    font-size: 0.75rem;
    margin-top: 1rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 4rem 0 2rem;
}

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

.footer h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer ul {
    list-style: none;
}

.footer li {
    margin-bottom: 0.5rem;
}

.footer a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s;
}

.footer a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: 1rem;
    font-size: 1.5rem;
}

.social-links a {
    color: #9ca3af;
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #374151;
    color: #9ca3af;
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .article-layout {
        grid-template-columns: 1fr;
    }
    
    .table-of-contents,
    .article-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--background);
        padding: 1rem;
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 1rem;
    }
    
    .search-container {
        margin: 1rem 0 0;
    }
    
    .search-form input {
        width: 100%;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .categories-grid,
    .articles-grid,
    .comparisons-grid,
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}