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

:root {
    --primary-blue: #1a73e8;
    --secondary-blue: #4285f4;
    --dark-text: #202124;
    --light-text: #5f6368;
    --border-color: #e8eaed;
    --bg-white: #ffffff;
    --bg-light: #f8f9fa;
    --accent-orange: #ea4335;
    --accent-green: #34a853;
}

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

/* Header */
.header-top {
    background-color: var(--bg-light);
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.header-top-nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    flex-wrap: wrap;
}

.header-top-nav > div {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.header-top-nav a {
    color: var(--light-text);
    text-decoration: none;
    margin-right: 20px;
    transition: color 0.3s;
    white-space: nowrap;
}

.header-top-nav a:hover {
    color: var(--primary-blue);
}

.main-header {
    background-color: var(--primary-blue);
    padding: 20px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: white;
    text-decoration: none;
    letter-spacing: 1px;
    flex-shrink: 0;
}

.main-nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: opacity 0.3s;
    white-space: nowrap;
}

.main-nav a:hover {
    opacity: 0.8;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    z-index: 1001;
}

.mobile-menu-toggle:hover {
    opacity: 0.8;
}

/* Trending Section */
.trending-section {
    background-color: var(--bg-light);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.trending-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--light-text);
    text-transform: uppercase;
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.trending-tags {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.trending-tag {
    background-color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    color: var(--dark-text);
    text-decoration: none;
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.trending-tag:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
}

/* Hero Section */
.hero-section {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 50px;
}

.hero-image {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.hero-text h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-text);
    line-height: 1.2;
}

.hero-text p {
    font-size: 18px;
    color: var(--light-text);
    margin-bottom: 30px;
    line-height: 1.8;
}

.download-btn-container {
    margin-top: 30px;
}

.download-btn-container img {
    height: 60px;
    transition: transform 0.3s;
}

.download-btn-container img:hover {
    transform: scale(1.05);
}

/* Content Sections */
.content-section {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark-text);
}

.view-more {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: opacity 0.3s;
}

.view-more:hover {
    opacity: 0.8;
}

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s;
    border: 1px solid var(--border-color);
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    transform: translateY(-4px);
}

.card-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card-content {
    padding: 20px;
}

.card-category {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--primary-blue);
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark-text);
    margin-bottom: 10px;
    line-height: 1.4;
}

.card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s;
}

.card-title a:hover {
    color: var(--primary-blue);
}

.card-meta {
    font-size: 13px;
    color: var(--light-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.rating {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #fbbc04;
}

/* User Comments Section */
.comments-section {
    background-color: var(--bg-light);
    padding: 50px 0;
    margin: 60px 0;
}

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

.comments-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.comment-card {
    background-color: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    border-left: 4px solid var(--primary-blue);
}

.comment-text {
    font-size: 15px;
    color: var(--dark-text);
    margin-bottom: 15px;
    line-height: 1.7;
    font-style: italic;
}

.comment-author {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-text);
}

.comment-rating {
    display: flex;
    gap: 3px;
    margin-top: 10px;
}

/* Cookies Banner */
.cookies-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: white;
    border-top: 2px solid var(--border-color);
    padding: 20px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    display: none;
}

.cookies-banner.show {
    display: block;
}

.cookies-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.cookies-text {
    flex: 1;
    font-size: 14px;
    color: var(--dark-text);
}

.cookies-text a {
    color: var(--primary-blue);
    text-decoration: none;
}

.cookies-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 10px 24px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.3s;
}

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

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

.btn-secondary {
    background-color: var(--bg-light);
    color: var(--dark-text);
    border: 1px solid var(--border-color);
}

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

/* Footer */
.footer {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: 50px 0 20px;
    margin-top: 80px;
}

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

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

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

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

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

.footer-section a {
    color: var(--light-text);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    text-align: center;
    color: var(--light-text);
    font-size: 13px;
}

/* Page Content */
.page-content {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-text);
}

.page-description {
    font-size: 16px;
    color: var(--light-text);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* Article/Review Content */
.article-content {
    background-color: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    margin-bottom: 30px;
}

.article-header {
    margin-bottom: 30px;
}

.article-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--light-text);
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--dark-text);
}

.article-body h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    color: var(--dark-text);
}

.article-body h3 {
    font-size: 20px;
    margin: 25px 0 12px;
    color: var(--dark-text);
}

.article-body p {
    margin-bottom: 15px;
}

.article-body ul, .article-body ol {
    margin: 15px 0 15px 30px;
}

.article-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 20px 0;
}

/* Mobile Menu */
.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--primary-blue);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    z-index: 1000;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    opacity: 0;
}

.mobile-nav.active {
    display: block;
    max-height: 400px;
    padding: 20px 0;
    opacity: 1;
}

.mobile-nav a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    font-weight: 500;
    font-size: 16px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: background-color 0.3s;
}

.mobile-nav a:last-child {
    border-bottom: none;
}

.mobile-nav a:hover {
    background-color: rgba(255,255,255,0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .header-top {
        padding: 10px 0;
    }
    
    .header-top-nav {
        flex-direction: row;
        align-items: center;
        gap: 10px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    
    .header-top-nav::-webkit-scrollbar {
        display: none;
    }
    
    .header-top-nav > div {
        flex-shrink: 0;
        display: flex;
        gap: 15px;
    }
    
    .header-top-nav > div:first-child {
        flex: 1;
        min-width: max-content;
    }
    
    .header-top-nav a {
        margin-right: 0;
        font-size: 12px;
        white-space: nowrap;
    }
    
    .main-header {
        padding: 15px 0;
    }
    
    .header-container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 22px;
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
    }
    
    .hero-text h1 {
        font-size: 32px;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .comments-grid {
        grid-template-columns: 1fr;
    }
    
    .cookies-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .trending-tags {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        padding-bottom: 5px;
    }
    
    .trending-tag {
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 20px;
    }
    
    .mobile-menu-toggle {
        font-size: 24px;
    }
    
    .hero-text h1 {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .page-title {
        font-size: 28px;
    }
}