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

body {
  font-family: "Segoe UI", "Georgia", serif;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  color: #eee;
  padding: 40px 20px;
}

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

h1 {
  text-align: center;
  margin-bottom: 10px;
  font-size: 42px;
  letter-spacing: 2px;
}

.subtitle {
  text-align: center;
  color: #aaa;
  margin-bottom: 40px;
  font-style: italic;
}

.section {
  background-color: #0f3460;
  border-radius: 16px;
  padding: 25px;
  margin-bottom: 30px;
}

.section-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #4a90e2;
  border-left: 4px solid #4a90e2;
  padding-left: 15px;
}

.section-description {
  color: #aaa;
  margin-bottom: 25px;
  font-size: 14px;
  padding-left: 19px;
}

.code {
  background-color: #0a0a1a;
  padding: 15px;
  border-radius: 8px;
  font-family: "Courier New", monospace;
  font-size: 13px;
  color: #82b1ff;
  overflow-x: auto;
  margin-top: 15px;
}

.note {
  background-color: #1a1a2e;
  border-left: 4px solid #f39c12;
  padding: 15px;
  border-radius: 8px;
  margin: 15px 0;
}

/* Magazine Grid Base */
.magazine {
  display: grid;
  gap: 20px;
  margin: 20px 0;
}

.article {
  background-color: #1a1a2e;
  border-radius: 12px;
  overflow: hidden;
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.article:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.article-img {
  background: linear-gradient(135deg, #667eea, #764ba2);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.article-content {
  padding: 20px;
}

.article-category {
  font-size: 12px;
  color: #4a90e2;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.article-title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 10px;
  line-height: 1.3;
}

.article-excerpt {
  font-size: 14px;
  color: #aaa;
  line-height: 1.5;
}

/* ===================================
           DEMO 1: FEATURED ARTICLE (SPANS 2 COLUMNS)
           =================================== */
.magazine-1 {
  grid-template-columns: repeat(3, 1fr);
}

.featured-1 {
  grid-column: span 2;
}

.featured-1 .article-img {
  min-height: 250px;
}

.featured-1 .article-title {
  font-size: 24px;
}

/* ===================================
           DEMO 2: SPANNING ROWS AND COLUMNS
           =================================== */
.magazine-2 {
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(200px, auto);
}

.span-2cols {
  grid-column: span 2;
}

.span-2rows {
  grid-row: span 2;
}

.span-3cols {
  grid-column: span 3;
}

.span-all {
  grid-column: 1 / -1;
}

/* ===================================
           DEMO 3: NEWSPAPER LAYOUT (GRID + FLEX)
           =================================== */
.newspaper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.headline {
  grid-column: span 2;
  background-color: #1a1a2e;
  border-radius: 12px;
  padding: 25px;
}

.headline h2 {
  font-size: 32px;
  margin-bottom: 15px;
  color: #4a90e2;
}

.story-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.story-item {
  display: flex;
  gap: 15px;
  padding: 12px;
  background-color: #0f3460;
  border-radius: 8px;
}

.story-number {
  font-size: 28px;
  font-weight: bold;
  color: #4a90e2;
}

/* ===================================
           DEMO 4: PINTEREST-STYLE MASONRY
           =================================== */
.masonry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.pin {
  break-inside: avoid;
  background-color: #1a1a2e;
  border-radius: 16px;
  overflow: hidden;
}

.pin-img {
  background: linear-gradient(135deg, #667eea, #764ba2);
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.pin-tall {
  grid-row: span 2;
}

.pin-tall .pin-img {
  min-height: 400px;
}

.pin-content {
  padding: 15px;
}

footer {
  text-align: center;
  padding: 40px;
  color: #666;
}

@media (max-width: 768px) {
  .magazine-1,
  .magazine-2,
  .newspaper {
    grid-template-columns: 1fr;
  }

  .span-2cols,
  .span-3cols,
  .span-all,
  .featured-1,
  .headline {
    grid-column: span 1;
  }

  .span-2rows {
    grid-row: span 1;
  }
}