@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

:root {
  --background-color: #fdfdfd;
  --primary-text-color: #333333;
  --secondary-text-color: #666666;
  --accent-color: #007bff;
  --border-color: #e0e0e0;
  --card-background: #ffffff;
  --font-family: 'Inter', sans-serif;
}

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

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #0056b3;
  text-decoration: underline;
}

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

/* Header */
.site-header {
  background-color: var(--card-background);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-text-color);
  text-decoration: none;
}
.logo:hover {
    text-decoration: none;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.main-nav a {
  font-size: 1rem;
  color: var(--primary-text-color);
  font-weight: 600;
  text-decoration: none;
}
.main-nav a:hover {
    color: var(--accent-color);
}

/* Main Content Layout */
.main-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: 2rem 0;
}

@media (min-width: 992px) {
  .main-content {
    grid-template-columns: 3fr 1fr;
  }
}

main {
  width: 100%;
}

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

.section-title {
  font-size: 2.2rem;
  margin-bottom: 2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.article-card {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}

.article-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

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

.article-card-content {
  padding: 1.5rem;
}

.article-card-category {
  display: inline-block;
  color: var(--accent-color);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.article-card-title {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
  line-height: 1.3;
  font-weight: 700;
}

.article-card-title a {
  color: var(--primary-text-color);
  text-decoration: none;
}

.article-card-title a:hover {
  color: var(--accent-color);
}

.article-card-excerpt {
  font-size: 0.95rem;
  color: var(--secondary-text-color);
}

/* Sidebar */
.sidebar {
  padding: 1.5rem;
  border-left: 1px solid var(--border-color);
}
@media (max-width: 991px) {
    .sidebar {
        border-left: none;
        padding: 0;
        border-top: 1px solid var(--border-color);
        padding-top: 2.5rem;
    }
}


.widget {
  margin-bottom: 2.5rem;
}

.widget-title {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.widget p {
    color: var(--secondary-text-color);
}

.widget ul {
    list-style: none;
}

.widget ul li {
    margin-bottom: 0.75rem;
}

.widget ul li a {
    color: var(--primary-text-color);
    font-size: 1rem;
    text-decoration: none;
}

.widget ul li a:hover {
    color: var(--accent-color);
}

/* Article Page */
.article-full .article-header {
  margin-bottom: 2rem;
}

.article-full .article-title {
  font-size: 2.8rem;
  line-height: 1.2;
  font-weight: 700;
}

.article-meta {
  margin: 1rem 0;
  font-size: 0.9rem;
  color: var(--secondary-text-color);
}

.article-meta .category {
  font-weight: bold;
  color: var(--accent-color);
}

.article-full-image {
  margin-bottom: 2rem;
  border-radius: 8px;
  overflow: hidden;
}

.article-content {
  font-size: 1.1rem;
  color: #333;
}

.article-content p {
  margin-bottom: 1.5rem;
}

.article-content h2,
.article-content h3 {
  color: var(--primary-text-color);
  margin-top: 2.5rem;
  margin-bottom: 1.2rem;
  font-weight: 700;
}

.article-content h2 {
    font-size: 1.8rem;
}

.article-content h3 {
    font-size: 1.5rem;
}

/* Footer */
.site-footer {
  padding: 2.5rem 0;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  color: var(--secondary-text-color);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    .site-header .container {
        flex-direction: column;
        gap: 1rem;
    }
    .main-nav ul {
        justify-content: center;
        gap: 1rem;
    }
    .article-full .article-title {
        font-size: 2rem;
    }
}