@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-light: #666;
  --color-accent: #c41e3a;
  --color-accent-dark: #8b0000;
  --color-border: #e8e8e8;
  --color-overlay: rgba(0, 0, 0, 0.15);
  
  --font-display: 'Playfair Display', serif;
  --font-body: 'Inter', sans-serif;
  
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 6rem;
  
  --max-width-narrow: 720px;
  --max-width: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 4rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }

p { margin-bottom: var(--spacing-md); }

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

a:hover {
  color: var(--color-accent-dark);
}

/* Header */
header {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

.header-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

nav {
  display: flex;
  gap: var(--spacing-xl);
}

nav a {
  color: var(--color-text);
  font-weight: 500;
  position: relative;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
}

nav a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Hero Section */
.hero-section {
  padding: var(--spacing-3xl) var(--spacing-lg);
  background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero-content {
  max-width: var(--max-width-narrow);
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
  animation: slideInDown 0.8s ease-out;
}

.hero-subtitle {
  font-size: 1.4rem;
  color: var(--color-text-light);
  font-weight: 300;
  line-height: 1.8;
  animation: slideInUp 0.8s ease-out 0.2s both;
}

/* Featured Article */
.featured-article {
  max-width: var(--max-width);
  margin: var(--spacing-3xl) auto;
  padding: 0 var(--spacing-lg);
}

.featured-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
  animation: fadeIn 0.8s ease-out 0.4s both;
}

.featured-image {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  height: 500px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.featured-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.featured-article:hover .featured-image img {
  transform: scale(1.05);
}

.featured-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.2) 100%);
  pointer-events: none;
}

.featured-content {
  padding: var(--spacing-lg);
}

.featured-label {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.featured-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  line-height: 1.2;
}

.featured-title a {
  color: var(--color-text);
  transition: color 0.3s ease;
}

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

.featured-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-size: 0.95rem;
  color: var(--color-text-light);
}

.meta-divider {
  opacity: 0.3;
}

.meta-host a {
  color: var(--color-accent);
  font-weight: 600;
}

.featured-excerpt {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-light);
}

.featured-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.tag-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: #f5f5f5;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 1rem 2rem;
  background-color: var(--color-accent);
  color: white;
  font-weight: 600;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.cta-button:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(196, 30, 58, 0.2);
}

.arrow {
  transition: transform 0.3s ease;
}

.cta-button:hover .arrow {
  transform: translateX(4px);
}

/* Filters */
.filters-wrapper {
  max-width: var(--max-width);
  margin: var(--spacing-3xl) auto;
  padding: 0 var(--spacing-lg);
}

.filters-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  color: var(--color-text);
  min-width: 100px;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.chip {
  padding: 0.6rem 1.2rem;
  background-color: transparent;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 0.9rem;
  font-family: var(--font-body);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--color-text);
}

.chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(196, 30, 58, 0.05);
}

.chip.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* Articles Grid */
.articles-section {
  max-width: var(--max-width);
  margin: var(--spacing-3xl) auto;
  padding: 0 var(--spacing-lg);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
}

.article-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
  transition: all 0.4s ease;
  animation: slideInUp 0.6s ease-out;
  animation-fill-mode: both;
}

.article-card:nth-child(2) { animation-delay: 0.1s; }
.article-card:nth-child(3) { animation-delay: 0.2s; }
.article-card:nth-child(4) { animation-delay: 0.3s; }
.article-card:nth-child(5) { animation-delay: 0.4s; }
.article-card:nth-child(6) { animation-delay: 0.5s; }

.article-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transform: translateY(-8px);
}

.article-card.hidden {
  display: none;
}

.article-image-wrapper {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
  background-color: #f5f5f5;
}

.article-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-card:hover .article-image {
  transform: scale(1.08);
}

.article-image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.1) 100%);
  pointer-events: none;
}

.article-image-placeholder {
  background: linear-gradient(135deg, #e8e8e8 0%, #f5f5f5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-text {
  font-size: 1rem;
  color: #999;
  text-align: center;
  padding: var(--spacing-lg);
}

.article-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  font-size: 0.8rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.card-host {
  color: var(--color-accent);
}

.card-title {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.3;
  flex-grow: 1;
}

.card-title a {
  color: var(--color-text);
  transition: color 0.3s ease;
}

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

.card-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.tag-small {
  display: inline-block;
  padding: 0.3rem 0.6rem;
  background-color: #f5f5f5;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-size: 0.75rem;
  color: var(--color-text-light);
  font-weight: 500;
}

.card-link {
  font-weight: 600;
  color: var(--color-accent);
  transition: all 0.3s ease;
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}

.card-link:hover {
  border-bottom-color: var(--color-accent);
  transform: translateX(4px);
}

/* Footer */
footer {
  background-color: var(--color-text);
  color: white;
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Animations */
@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.8rem; }
  
  .hero-title { font-size: 2.5rem; }
  .hero-subtitle { font-size: 1.1rem; }
  
  .featured-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .featured-image {
    height: 300px;
  }
  
  .featured-title {
    font-size: 2rem;
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .articles-grid {
    grid-template-columns: 1fr;
  }
  
  .filter-group {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  body { font-size: 15px; }
  
  .hero-title { font-size: 2rem; }
  .featured-title { font-size: 1.6rem; }
  
  .cta-button {
    width: 100%;
    justify-content: center;
  }
}


/* About Page */
.about-wrapper {
  max-width: var(--max-width);
  margin: var(--spacing-3xl) auto;
  padding: 0 var(--spacing-lg);
}

.about-container {
  max-width: var(--max-width-narrow);
}

.about-container h1 {
  margin-bottom: var(--spacing-2xl);
}

.about-content {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-3xl);
}

.about-content p {
  margin-bottom: var(--spacing-lg);
}

.about-cta {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

.social-links {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.social-links a {
  padding: 0.8rem 1.6rem;
  background-color: var(--color-accent);
  color: white;
  border-radius: 4px;
  font-weight: 600;
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
}