:root {
  --bg: #ffffff;
  --bg-alt: #fafafa;
  --text: #0a0a0a;
  --muted: #666666;
  --border: rgba(0,0,0,0.1);
  --primary: #dc2626;
  --primary-ink: #ffffff;
  --shadow: 0 6px 24px rgba(220, 38, 38, 0.08);
  --accent: #991b1b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0a;
    --bg-alt: #1a1a1a;
    --text: #ffffff;
    --muted: #a3a3a3;
    --border: rgba(255,255,255,0.1);
    --primary: #ef4444;
    --primary-ink: #ffffff;
    --shadow: 0 6px 24px rgba(239, 68, 68, 0.15);
    --accent: #dc2626;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(70% 60% at 50% 0%, rgba(220, 38, 38, 0.08), transparent 60%), var(--bg);
  color: var(--text);
  font: 400 16px/1.6 system-ui, -apple-system, 'Segoe UI', Roboto, Inter, Arial, sans-serif;
}

.container { width: min(1140px, calc(100% - 32px)); margin-inline: auto; }

.site-header { 
  position: sticky; 
  top: 0; 
  z-index: 30; 
  background: color-mix(in oklab, var(--bg) 90%, transparent); 
  backdrop-filter: blur(12px); 
  border-bottom: 2px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.nav { display:flex; align-items:center; justify-content:space-between; height:64px; }
.brand { 
  font-weight: 900; 
  letter-spacing: 0.5px; 
  text-decoration:none; 
  color: var(--primary); 
  font-size: 20px;
}
.menu { display:flex; gap: 18px; }
.menu a { 
  color: var(--text); 
  text-decoration: none; 
  font-weight: 600;
  transition: color 0.2s ease;
}
.menu a:hover { color: var(--primary); }

.hero { padding: 28px 0 32px; }
.badges { display:flex; gap:8px; flex-wrap:wrap; margin-bottom: 12px; }
.badge { 
  display:inline-flex; 
  align-items:center; 
  gap:6px; 
  font-size:12px; 
  font-weight: 600;
  padding:6px 12px; 
  border:2px solid var(--border); 
  border-radius:999px; 
  background: var(--bg-alt);
}
.title { margin: 6px 0 8px; font-size: clamp(26px, 4vw, 40px); line-height: 1.2; font-weight: 900; }
.accent { color: var(--primary); }
.lead { color: var(--muted); max-width: 880px; font-size: 18px; }

.controls-row { display:flex; flex-wrap:wrap; align-items:center; gap:12px; margin: 18px 0 16px; }
.toggle-group { 
  display:inline-flex; 
  border:2px solid var(--border); 
  padding:4px; 
  border-radius:16px; 
  background: var(--bg-alt);
}
.toggle-btn { 
  border:0; 
  background: transparent; 
  padding:8px 14px; 
  border-radius:12px; 
  cursor:pointer; 
  color: var(--text); 
  font-weight: 700;
  transition: all 0.2s ease;
}
.toggle-btn:hover { background: rgba(0,0,0,0.05); }
.toggle-btn.active { background: var(--primary); color: var(--primary-ink); }
.toggle-btn.alt.active { background: var(--text); color: var(--bg); }
.link { 
  text-decoration: none; 
  font-weight: 700; 
  color: var(--primary);
  transition: opacity 0.2s ease;
}
.link:hover { opacity: 0.8; text-decoration: underline; }

.kpi-grid { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:12px; margin: 10px 0 18px; }
@media (max-width: 800px) { .kpi-grid { grid-template-columns: 1fr; } }
.kpi { 
  background: var(--bg-alt); 
  border: 2px solid var(--border); 
  border-radius: 16px; 
  padding: 20px; 
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.kpi:hover { 
  transform: translateY(-2px); 
  box-shadow: 0 8px 32px rgba(220, 38, 38, 0.12);
}
.kpi .value { 
  font-size: clamp(22px, 4vw, 28px); 
  font-weight: 900; 
  color: var(--primary);
}
.kpi .label { color: var(--muted); font-size: 14px; font-weight: 600; }
.kpi .hint { color: var(--muted); font-size: 12px; margin-top: 4px; }

.card { 
  background: var(--bg-alt); 
  border:2px solid var(--border); 
  border-radius:16px; 
  box-shadow: var(--shadow); 
  overflow:hidden;
  transition: box-shadow 0.2s ease;
}
.card:hover { box-shadow: 0 8px 32px rgba(220, 38, 38, 0.12); }
.card-head { 
  padding: 16px 18px; 
  border-bottom:2px solid var(--border); 
  font-weight: 800;
  font-size: 18px;
}
.card-body { padding: 18px; }
.cards-3, .cards-2 { display:grid; gap:12px; }
.cards-3 { grid-template-columns: repeat(3, minmax(0,1fr)); margin: 12px 0; }
.cards-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
@media (max-width: 900px) { .cards-3, .cards-2 { grid-template-columns: 1fr; } }

.list { margin: 0; padding-left: 18px; }
.list li { margin-bottom: 8px; }
.list.small { font-size: 14px; color: var(--muted); }
.note { color: var(--muted); font-size: 12px; margin-top: 8px; }

.btn { 
  appearance:none; 
  border:0; 
  cursor:pointer; 
  font-weight:700; 
  padding:12px 20px; 
  border-radius:12px; 
  background: var(--primary); 
  color: var(--primary-ink); 
  box-shadow: var(--shadow);
  transition: all 0.2s ease;
  font-size: 14px;
}
.btn:hover { 
  background: var(--accent);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(220, 38, 38, 0.2);
}
.btn.alt { background: var(--text); color: var(--bg); }
.btn.alt:hover { opacity: 0.9; }

.section { padding: 32px 0; }
.section.alt { 
  background: var(--bg-alt); 
  border-top:2px solid var(--border); 
  border-bottom:2px solid var(--border);
}
.section-title { 
  font-size: clamp(22px, 3.2vw, 32px); 
  margin: 0 0 16px; 
  font-weight: 900;
  color: var(--text);
}

.search-row { display:flex; gap:8px; flex-wrap:wrap; }
.search-row input { 
  flex:1 1 280px; 
  padding:12px 16px; 
  border-radius:12px; 
  border:2px solid var(--border); 
  background: var(--bg); 
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: border-color 0.2s ease;
}
.search-row input:focus {
  outline: none;
  border-color: var(--primary);
}

.table-wrap { overflow-x:auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border-top: 1px solid var(--border); padding: 12px; text-align: left; }
th { 
  background: var(--bg-alt); 
  font-weight: 800;
  color: var(--text);
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.5px;
}
tbody tr { transition: background 0.2s ease; }
tbody tr:hover { background: color-mix(in oklab, var(--primary) 5%, transparent); }

.chart-wrap { position: relative; width: 100%; min-height: 200px; }

.site-footer { 
  border-top:2px solid var(--border); 
  margin-top: 32px;
  background: var(--bg-alt);
}
.footer-inner { 
  display:flex; 
  gap:10px; 
  flex-wrap:wrap; 
  justify-content: space-between; 
  padding: 24px 0; 
  color: var(--muted);
  font-size: 14px;
}

/* Small helpers */
.grid-2 { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.pill { 
  display:inline-block; 
  padding:6px 12px; 
  border-radius:999px; 
  border:2px solid var(--border); 
  background: var(--bg-alt); 
  font-size:12px;
  font-weight: 600;
}

/* Grid yapısı - masaüstünde yan yana */
.chart-table-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ========== NEW: Comparison Grid Styles ========== */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 8px;
}

.comparison-category {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.3s ease;
}

.comparison-category:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(220, 38, 38, 0.1);
}

.comparison-category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}

.comparison-icon {
  font-size: 28px;
  line-height: 1;
}

.comparison-category-title {
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  margin: 0;
}

.comparison-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.comparison-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px;
  border-radius: 8px;
  background: var(--bg-alt);
  transition: background 0.2s ease;
}

.comparison-item:hover {
  background: color-mix(in oklab, var(--primary) 8%, transparent);
}

.comparison-value {
  font-size: 20px;
  font-weight: 900;
  color: var(--primary);
  min-width: 45px;
  flex-shrink: 0;
}

.comparison-text {
  font-size: 14px;
  line-height: 1.4;
  color: var(--text);
  font-weight: 500;
}

.comparison-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-style: italic;
}

@media (max-width: 768px) {
  /* Grafik ve tablo yan yana değil alt alta */
  .chart-table-grid {
    display: block !important;
  }
  
  .chart-column, .table-column {
    margin-bottom: 24px;
  }
  
  /* Chart wrapper mobilde tam genişlik */
  .chart-wrap {
    width: 100%;
    margin-bottom: 24px;
  }
  
  /* Tablo scroll edilebilir mobilde */
  .table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  /* KPI grid mobilde tek sütun */
  .kpi-grid {
    grid-template-columns: 1fr !important;
  }
  
  /* Cards mobilde tek sütun */
  .cards-2, .cards-3 {
    grid-template-columns: 1fr !important;
  }
  
  /* Comparison grid mobilde tek sütun */
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .comparison-value {
    font-size: 18px;
    min-width: 40px;
  }
}

/* Küçük ekranlarda font boyutları */
@media (max-width: 480px) {
  .title {
    font-size: 24px !important;
  }
  
  .section-title {
    font-size: 20px !important;
  }
  
  .kpi .value {
    font-size: 28px !important;
  }
  
  .lead {
    font-size: 16px !important;
  }
  
  .comparison-icon {
    font-size: 24px;
  }
  
  .comparison-category-title {
    font-size: 14px;
  }
}

/* Red-themed special elements */
.card[style*="border: 3px solid var(--primary)"],
.card[style*="border-left: 4px solid #c00"] {
  border-color: var(--primary) !important;
}

strong { font-weight: 700; }


/* Vaka Raporları - Specific Styles */

.vaka-card {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  position: relative;
  overflow: visible;
}

.vaka-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(220, 38, 38, 0.15);
}

.vaka-card.featured {
  border: 3px solid var(--primary);
  background: linear-gradient(
    135deg,
    rgba(220, 38, 38, 0.03) 0%,
    rgba(220, 38, 38, 0.08) 100%
  );
}

.vaka-card.highlight {
  border-left: 6px solid var(--primary);
}

.vaka-card.warning {
  border: 2px solid #fbbf24;
  background: linear-gradient(
    135deg,
    rgba(251, 191, 36, 0.05) 0%,
    rgba(251, 191, 36, 0.1) 100%
  );
}

.vaka-number {
  display: inline-block;
  background: var(--primary);
  color: var(--primary-ink);
  font-size: 14px;
  font-weight: 900;
  padding: 8px 16px;
  border-radius: 8px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.vaka-title {
  font-size: clamp(22px, 3.5vw, 32px);
  font-weight: 900;
  margin: 0 0 20px 0;
  color: var(--text);
  line-height: 1.3;
}

.vaka-content {
  display: grid;
  gap: 24px;
}

.vaka-main {
  line-height: 1.8;
}

.vaka-lead {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text);
}

.vaka-lead strong {
  color: var(--primary);
}

/* Stats Boxes */
.vaka-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.vaka-stats.single {
  grid-template-columns: 1fr;
  max-width: 400px;
}

.stat-box {
  background: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  transition: all 0.2s ease;
}

.stat-box:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.stat-box.highlight {
  border-color: var(--primary);
  background: linear-gradient(
    135deg,
    rgba(220, 38, 38, 0.05) 0%,
    rgba(220, 38, 38, 0.1) 100%
  );
}

.stat-box.dim {
  opacity: 0.6;
}

.stat-box.mega {
  padding: 32px;
  border: 3px solid var(--primary);
}

.stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 700;
  margin-bottom: 8px;
}

.stat-value {
  font-size: 28px;
  font-weight: 900;
  color: var(--primary);
  margin-bottom: 4px;
}

.stat-amount {
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
}

.stat-detail {
  font-size: 14px;
  color: var(--muted);
  margin-top: 8px;
}

/* Comparison Section */
.vaka-comparison {
  background: var(--bg-alt);
  border-radius: 12px;
  padding: 20px;
  border-left: 4px solid var(--primary);
}

.vaka-comparison h4 {
  margin: 0 0 12px 0;
  font-size: 16px;
  color: var(--primary);
  font-weight: 800;
}

.vaka-comparison ul {
  margin: 0;
  padding-left: 20px;
}

.vaka-comparison li {
  margin-bottom: 8px;
  line-height: 1.6;
}

/* Timeline */
.vaka-timeline {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 24px;
  background: var(--bg-alt);
  border-radius: 12px;
  justify-content: center;
}

.vaka-timeline.horizontal {
  flex-direction: row;
}

.timeline-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.timeline-item {
  text-align: center;
  padding: 16px 20px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 10px;
  min-width: 120px;
}

.timeline-item.highlight {
  border-color: var(--primary);
  background: linear-gradient(
    135deg,
    rgba(220, 38, 38, 0.05) 0%,
    rgba(220, 38, 38, 0.1) 100%
  );
}

.timeline-date {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.timeline-event {
  font-size: 12px;
  color: var(--muted);
  font-weight: 600;
}

.timeline-arrow {
  font-size: 24px;
  color: var(--primary);
  font-weight: 900;
}

.timeline-duration {
  font-size: 14px;
  font-weight: 900;
  color: var(--primary);
  padding: 8px 16px;
  background: rgba(220, 38, 38, 0.1);
  border-radius: 8px;
  white-space: nowrap;
}

/* Period Boxes */
.period-box {
  text-align: center;
  padding: 20px;
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: 10px;
  min-width: 140px;
}

.period-year {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.period-status {
  font-size: 14px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 6px;
}

.period-status.yes {
  background: #d1fae5;
  color: #065f46;
}

.period-status.no {
  background: #fee2e2;
  color: #991b1b;
}

/* Bar Chart */
.vaka-chart {
  padding: 20px;
  background: var(--bg-alt);
  border-radius: 12px;
}

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bar-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bar-item.highlight .bar-visual {
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
}

.bar-label {
  min-width: 60px;
  font-weight: 700;
  font-size: 14px;
  text-align: right;
}

.bar-visual {
  flex: 1;
  background: linear-gradient(90deg, #4f46e5 0%, #6366f1 100%);
  color: white;
  padding: 12px 16px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  text-align: right;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.bar-visual:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Tag Cloud */
.vaka-list h4 {
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 800;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 8px 14px;
  background: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  transition: all 0.2s ease;
}

.tag:hover {
  border-color: var(--primary);
  background: rgba(220, 38, 38, 0.05);
  transform: translateY(-2px);
}

/* Examples */
.vaka-examples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.example-box {
  text-align: center;
  padding: 16px;
  background: var(--bg-alt);
  border: 2px solid var(--border);
  border-radius: 10px;
  transition: all 0.2s ease;
}

.example-box:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.example-date {
  font-size: 16px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}

.example-text {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

/* Insights */
.vaka-insight {
  margin-top: 20px;
  padding: 16px 20px;
  background: linear-gradient(
    135deg,
    rgba(79, 70, 229, 0.05) 0%,
    rgba(79, 70, 229, 0.1) 100%
  );
  border-left: 4px solid #4f46e5;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.6;
}

.vaka-insight.warning {
  background: linear-gradient(
    135deg,
    rgba(251, 191, 36, 0.05) 0%,
    rgba(251, 191, 36, 0.1) 100%
  );
  border-left-color: #fbbf24;
}

.vaka-insight strong {
  color: var(--primary);
}

/* Callout */
.vaka-callout {
  text-align: center;
  padding: 24px;
  background: var(--bg-alt);
  border-radius: 12px;
  border: 2px dashed var(--border);
}

.vaka-callout:hover {
  border-color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
  .vaka-card {
    padding: 24px;
  }

  .vaka-title {
    font-size: 22px;
  }

  .vaka-lead {
    font-size: 16px;
  }

  .vaka-stats {
    grid-template-columns: 1fr;
  }

  .vaka-timeline {
    flex-direction: column;
  }

  .timeline-group {
    flex-direction: column;
  }

  .timeline-arrow {
    transform: rotate(90deg);
  }

  .vaka-examples {
    grid-template-columns: 1fr;
  }

  .bar-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .bar-label {
    min-width: auto;
    text-align: left;
  }

  .bar-visual {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .vaka-card {
    padding: 20px;
  }

  .vaka-number {
    font-size: 12px;
    padding: 6px 12px;
  }

  .vaka-title {
    font-size: 20px;
  }

  .stat-value {
    font-size: 24px;
  }

  .stat-amount {
    font-size: 18px;
  }
}