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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  background: #0f172a;
  min-height: 100vh;
  padding: 2rem 1rem;
  line-height: 1.6;
  color: #333;
  position: relative;
  overflow-x: hidden;
}

/* Background Effects */
.bg-grid {
  position: absolute;
  z-index: 0;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  opacity: 0.4;
  overflow: hidden;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  transform: translateX(-13rem);
  pointer-events: none;
}

.bg-blur {
  width: 100%;
  height: 9rem;
  filter: blur(106px);
  border-radius: 50%;
}

.bg-blur-cyan {
  margin-left: -13rem;
}

.bg-blur-purple {
  background: linear-gradient(to bottom right, #a855f7, #c084fc);
}

.bg-blur-cyan {
  background: linear-gradient(to right, #06b6d4, #0ea5e9);
}

.bg-polygon {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% - 13rem);
  z-index: -10;
  transform: translate3d(0, 0, 0);
  overflow: hidden;
  pointer-events: none;
}

@media (min-width: 640px) {
  .bg-polygon {
    top: calc(100% - 30rem);
  }
}

.bg-polygon-shape {
  position: relative;
  left: calc(50% + 3rem);
  aspect-ratio: 1155 / 678;
  width: 36.125rem;
  transform: translateX(-50%);
  background: linear-gradient(to top right, #ff80b5, #9089fc);
  opacity: 0.3;
  clip-path: polygon(
    74.1% 44.1%,
    100% 61.6%,
    97.5% 26.9%,
    85.5% 0.1%,
    80.7% 2%,
    72.5% 32.5%,
    60.2% 62.4%,
    52.4% 68.1%,
    47.5% 58.3%,
    45.2% 34.5%,
    27.5% 76.7%,
    0.1% 64.9%,
    17.9% 100%,
    27.6% 76.8%,
    76.1% 97.7%,
    74.1% 44.1%
  );
  filter: blur(3rem);
}

@media (min-width: 640px) {
  .bg-polygon-shape {
    left: calc(50% + 36rem);
    width: 72.1875rem;
  }
}

.bg-pattern {
  position: absolute;
  z-index: 10;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  mask-image: linear-gradient(to bottom, transparent, black);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' width='32' height='32' fill='none' stroke='rgb(15 23 42 / 0.04)'%3e%3cpath d='M0 .5H31.5V32'/%3e%3c/svg%3e");
  pointer-events: none;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.header {
  text-align: center;
  margin-bottom: 3rem;
  color: white;
  position: relative;
  z-index: 2;
}

.header h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
  letter-spacing: -0.02em;
}

.subtitle {
  font-size: 1.25rem;
  opacity: 0.95;
  font-weight: 300;
  max-width: 600px;
  margin: 0 auto;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
  position: relative;
  z-index: 2;
}

.article-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.article-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.article-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
}

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

.article-card:hover .article-image img {
  transform: scale(1.1);
}

.article-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: #1a202c;
  line-height: 1.4;
  flex: 1;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  color: #718096;
  flex-wrap: wrap;
}

.author {
  display: flex;
  align-items: center;
  font-weight: 500;
}

.author::before {
  content: '👤';
  margin-right: 0.5rem;
  font-size: 1rem;
}

.date {
  display: flex;
  align-items: center;
}

.date::before {
  content: '📅';
  margin-right: 0.5rem;
  font-size: 1rem;
}

.read-link {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all 0.3s ease;
  margin-top: auto;
  width: fit-content;
}

.read-link:hover {
  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.read-link:active {
  transform: translateX(2px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .header h1 {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .articles-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .article-card {
    border-radius: 12px;
  }

  .article-image {
    height: 180px;
  }

  .article-content {
    padding: 1.25rem;
  }

  .article-title {
    font-size: 1.125rem;
  }
}

@media (max-width: 480px) {
  body {
    padding: 1rem 0.5rem;
  }

  .header {
    margin-bottom: 2rem;
  }

  .header h1 {
    font-size: 1.75rem;
  }

  .article-meta {
    font-size: 0.8125rem;
  }

  .read-link {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading state for images */
.article-image img {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.article-image img[src] {
  animation: none;
}