/* 
 * ZombsNews.com - Responsive Website Styles
 * Designed for optimal SEO performance and mobile responsiveness
 */

/* Base Styles and Reset */
:root {
    --primary-color: #e63946;
    --secondary-color: #1d3557;
    --accent-color: #457b9d;
    --light-color: #f1faee;
    --dark-color: #252525;
    --text-color: #333333;
    --light-text: #f8f9fa;
    --gray-light: #e9ecef;
    --gray-medium: #ced4da;
    --gray-dark: #6c757d;
    --font-primary: 'Roboto', Arial, sans-serif;
    --font-secondary: 'Merriweather', Georgia, serif;
    --transition: all 0.3s ease;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --border-radius: 4px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f9f9f9;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.3;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--gray-light);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: 1rem;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: 2rem 0;
}

/* Header Styles */
header {
    background-color: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
}

.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 40px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    gap: 1.5rem;
}

.nav-menu li a {
    color: var(--secondary-color);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

.nav-menu li a.active::after,
.nav-menu li a:hover::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(to bottom, var(--secondary-color), var(--accent-color));
    color: var(--light-text);
    padding: 4rem 0;
    text-align: center;
}

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

.hero h1 {
    color: var(--light-text);
    margin-bottom: 1rem;
    font-size: 2.8rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.search-bar {
    max-width: 600px;
    margin: 0 auto;
}

.search-bar form {
    display: flex;
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.search-bar input {
    flex: 1;
    padding: 1rem;
    border: none;
    outline: none;
    font-size: 1rem;
}

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

.search-bar button:hover {
    background-color: #c83240;
}

.search-bar svg {
    fill: white;
}

/* News Grid Section */
.top-stories {
    margin-bottom: 2rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.featured-news {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.news-image {
    height: 220px;
    background-color: var(--gray-medium);
    position: relative;
}

.news-content {
    padding: 1.5rem;
}

.category {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
}

.timestamp {
    display: block;
    color: var(--gray-dark);
    font-size: 0.85rem;
    margin-top: 0.75rem;
}

.read-more {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 600;
}

.news-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.news-card .news-image {
    height: 180px;
}

.content-sidebar-wrapper {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 2rem;
    margin: 2rem 0;
}

.news-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.news-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.news-item .news-image {
    height: 100%;
    min-height: 150px;
}

/* Sidebar Styles */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.popular-section, .gaming-section {
    background-color: #fff;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.popular-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-light);
}

.popular-list li:last-child {
    border-bottom: none;
}

.number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: 600;
}

.popular-list h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.gaming-content {
    margin-top: 1rem;
}

.gaming-links, .gaming-news {
    margin-top: 1rem;
}

.gaming-links ul {
    margin-top: 0.5rem;
    padding-left: 1rem;
}

.gaming-links li {
    margin-bottom: 0.5rem;
    list-style-type: disc;
}

/* Opinion Section */
.opinion-section {
    margin: 2rem 0;
}

.opinion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.opinion-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.author-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1.5rem;
    text-align: center;
}

.author-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--gray-medium);
    margin-bottom: 0.75rem;
}

.author-info span {
    color: var(--gray-dark);
    font-size: 0.9rem;
}

/* Footer Styles */
footer {
    background-color: var(--secondary-color);
    color: var(--light-text);
    padding: 4rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo p {
    margin-top: 1rem;
    opacity: 0.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.footer-column h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

.footer-column a {
    color: var(--gray-medium);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content-sidebar-wrapper {
        grid-template-columns: 1fr 300px;
    }
}

@media (max-width: 868px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .content-sidebar-wrapper {
        grid-template-columns: 1fr;
    }
    
    .news-item {
        grid-template-columns: 160px 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: #fff;
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        padding: 1rem 0;
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li a {
        display: block;
        padding: 1rem;
    }
    
    .nav-menu li a::after {
        display: none;
    }
    
    .news-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .news-item {
        grid-template-columns: 1fr;
    }
    
    .news-item .news-image {
        height: 180px;
    }
    
    .footer-links {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.6rem;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .opinion-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

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

.news-card, .opinion-card, .news-item {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Print Styles */
@media print {
    .hero, .sidebar, footer {
        display: none;
    }
    
    body {
        font-size: 12pt;
        background: white;
        color: black;
    }
    
    .container {
        width: 100%;
        max-width: none;
    }
}

/* Accessibility Features */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}