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

:root {
    --primary-color: #d32f2f;
    --secondary-color: #1976d2;
    --text-dark: #212121;
    --text-light: #757575;
    --bg-light: #f5f5f5;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

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

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 800;
}

.logo h1 a {
    color: var(--text-dark);
    text-decoration: none;
}

.logo h1 span {
    color: var(--primary-color);
}

.logo .tagline {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.25rem;
}

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

nav ul li a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

nav ul li a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #c62828 100%);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.95;
}

/* Featured News Section */
.featured-news {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--text-dark);
    position: relative;
    padding-bottom: 0.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.news-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.news-card.featured {
    grid-column: span 2;
}

.news-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.news-card.featured .news-image {
    height: 400px;
}

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

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

.news-content {
    padding: 1.5rem;
}

.category {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.news-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.news-content h3 a {
    color: var(--text-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-content h3 a:hover {
    color: var(--primary-color);
}

.news-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-light);
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.news-meta .author a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
}

.news-meta .author a:hover {
    text-decoration: underline;
}

/* About Section */
.about-section {
    padding: 4rem 0;
    background-color: var(--white);
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.75rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn:hover {
    background-color: #c62828;
    transform: translateY(-2px);
}

/* Footer */
footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

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

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--white);
}

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

.footer-bottom a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Author Page Styles */
.author-hero {
    background: linear-gradient(135deg, var(--secondary-color) 0%, #1565c0 100%);
    color: var(--white);
    padding: 4rem 0;
}

.author-profile {
    display: flex;
    align-items: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.author-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    overflow: hidden;
    border: 5px solid rgba(255, 255, 255, 0.3);
}

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

.author-info h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.author-info .title {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 1rem;
}

.author-info p {
    opacity: 0.95;
    line-height: 1.6;
}

.author-details {
    padding: 4rem 0;
}

.author-bio {
    max-width: 800px;
    margin: 0 auto 4rem;
}

.author-bio h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.author-bio p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

.expertise h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.tag {
    background-color: var(--bg-light);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    color: var(--text-dark);
    font-weight: 500;
}

/* Blog List Styles */
.blog-header {
    background: linear-gradient(135deg, #388e3c 0%, #2e7d32 100%);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.blog-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.blog-list {
    padding: 4rem 0;
    background-color: var(--bg-light);
}

/* Article Styles */
.article-header {
    background-color: var(--bg-light);
    padding: 3rem 0;
}

.article-title {
    max-width: 900px;
    margin: 0 auto;
}

.article-title h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.3;
}

.article-meta {
    display: flex;
    gap: 2rem;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-featured-image {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    border-radius: 8px;
    margin-top: 2rem;
}

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

.article-content {
    padding: 4rem 0;
}

.article-body {
    max-width: 900px;
    margin: 0 auto;
}

.article-body h2 {
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.article-body h3 {
    font-size: 1.4rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.article-body p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.article-body ul,
.article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.article-body li {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 0.5rem;
}

.article-body strong {
    color: var(--text-dark);
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1rem;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .news-card.featured {
        grid-column: span 1;
    }

    .news-card.featured .news-image {
        height: 250px;
    }

    .author-profile {
        flex-direction: column;
        text-align: center;
    }

    .author-info h1 {
        font-size: 2rem;
    }

    .article-title h1 {
        font-size: 1.8rem;
    }

    .article-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.5rem;
    }

    nav ul {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .news-content h3 {
        font-size: 1.1rem;
    }
}