/* ===== Case Study Page Styles ===== */
.case-hero { padding: 80px 0 40px; background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%); text-align: center; }
.badge { display: inline-block; background: var(--color-primary); color: #fff; padding: 6px 12px; border-radius: 20px; font-size: 0.85rem; font-weight: 600; margin-bottom: 16px; }
.case-hero h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; line-height: 1.2; max-width: 800px; margin-left: auto; margin-right: auto; }
.case-hero__subtitle { color: var(--color-text-light); font-size: 1.1rem; margin-bottom: 32px; }
.case-hero__metrics { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.metric { background: #fff; padding: 20px 28px; border-radius: var(--radius); box-shadow: var(--shadow-md); text-align: center; min-width: 140px; }
.metric__value { display: block; font-size: 2rem; font-weight: 800; color: var(--color-primary); margin-bottom: 4px; }
.metric__label { color: var(--color-text-light); font-size: 0.9rem; }
@media (min-width: 768px) { .case-hero h1 { font-size: 2.8rem; } }

.case-context__grid { display: grid; gap: 24px; }
@media (min-width: 768px) { .case-context__grid { grid-template-columns: 1fr 1fr; } }
.case-card { background: #fff; padding: 24px; border-radius: var(--radius); border: 1px solid var(--color-border); }
.case-card h3 { margin-bottom: 16px; font-size: 1.2rem; }
.case-card ul { padding-left: 20px; }
.case-card li { margin-bottom: 8px; line-height: 1.5; }

.comparison-grid { display: grid; gap: 24px; max-width: 800px; margin: 0 auto; }
@media (min-width: 768px) { .comparison-grid { grid-template-columns: 1fr 1fr; } }
.comparison-item { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); border: 1px solid var(--color-border); }
.comparison-item--after { border-color: var(--color-primary); }
.comparison__header { padding: 12px; text-align: center; font-weight: 700; font-size: 1.1rem; color: #fff; background: #6b7280; }
.comparison-item--after .comparison__header { background: var(--color-primary); }
.comparison__body { padding: 20px; }
.comp-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--color-border); }
.comp-row:last-child { border-bottom: none; }
.comp-value { font-weight: 600; }
.comp-value--bad { color: #dc2626; }
.comp-value--good { color: #059669; }

.timeline { display: grid; gap: 24px; max-width: 700px; margin: 0 auto; position: relative; }
@media (min-width: 768px) { .timeline { grid-template-columns: repeat(2, 1fr); gap: 32px; } }
.timeline__item { background: #fff; padding: 20px; border-radius: var(--radius); border: 1px solid var(--color-border); position: relative; }
.timeline__date { display: inline-block; background: var(--color-primary); color: #fff; padding: 4px 10px; border-radius: 12px; font-size: 0.8rem; font-weight: 600; margin-bottom: 8px; }
.timeline__item h4 { margin-bottom: 8px; font-size: 1.1rem; }
.timeline__item p { color: var(--color-text-light); font-size: 0.95rem; }

.visuals-grid { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.visual-card { background: #fff; padding: 20px; border-radius: var(--radius); border: 1px solid var(--color-border); text-align: center; }
.visual-placeholder { background: var(--color-bg-light); height: 180px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; font-weight: 600; color: var(--color-text-light); border: 2px dashed var(--color-border); }
.case-cta { padding: 60px 0; }

/* ===== Блок с графиками ===== */
.case-charts { padding: 80px 0; }
.section-subtitle { 
  color: var(--color-text-light); 
  font-size: 1.1rem; 
  margin-bottom: 48px; 
}

.chart-wrapper {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.chart-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 12px;
}

.chart-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text);
  margin: 0;
}

.chart-period {
  background: var(--color-bg-light);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
  white-space: nowrap;
}

.chart-image-container {
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
  background: var(--color-bg-light);
  margin-bottom: 16px;
}

.chart-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.chart-image:hover {
  transform: scale(1.02);
}

.chart-caption {
  background: var(--color-bg-light);
  padding: 16px;
  border-radius: 8px;
  border-left: 4px solid var(--color-primary);
}

.chart-caption p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text);
}

.chart-caption strong {
  color: var(--color-primary);
}

/* === Адаптивность для мобильных === */
@media (max-width: 767px) {
  .chart-wrapper {
    padding: 16px;
    margin-bottom: 24px;
  }
  
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .chart-header h3 {
    font-size: 1.15rem;
  }
  
  .chart-period {
    font-size: 0.8rem;
  }
  
  .chart-caption {
    padding: 12px;
    font-size: 0.9rem;
  }
}

/* === Горизонтальный скролл для очень широких графиков === */
@media (max-width: 480px) {
  .chart-image-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch; /* плавный скролл на iOS */
  }
  
  .chart-image {
    min-width: 100%;
  }
}

.modal-content { position: relative; }
.modal-close {
  position: absolute; top: -40px; right: 0;
  color: #fff; font-size: 32px; cursor: pointer;
}