/* ==========================================================================
   CASE STUDIES & RESULTS CSS - UPGRADEBI
   Dark Cosmic Luxury Design System
   ========================================================================== */

.cs-hero {
  position: relative;
  overflow: hidden;
}

.cs-filter-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 40px auto 20px;
  padding: 8px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50px;
  width: fit-content;
  backdrop-filter: blur(12px);
}

.cs-filter-btn {
  background: transparent;
  border: none;
  color: #94A3B8;
  padding: 10px 22px;
  border-radius: 30px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: inherit;
}

.cs-filter-btn:hover {
  color: #FFFFFF;
  background: rgba(255, 255, 255, 0.05);
}

.cs-filter-btn.active {
  background: linear-gradient(135deg, #FF7A00 0%, #EA580C 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 15px rgba(255, 122, 0, 0.35);
}

/* Overall Highlight Metric Strip */
.cs-stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 50px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 30px;
  backdrop-filter: blur(16px);
}

.cs-stat-box {
  text-align: center;
  position: relative;
}

.cs-stat-box:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.cs-stat-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, #FF7A00 0%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 6px;
}

.cs-stat-label {
  font-size: 0.88rem;
  color: #94A3B8;
  font-weight: 500;
}

/* Case Study Cards Grid */
.cs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 40px;
}

.cs-card {
  background: #0B1120;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 24px;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  flex-direction: column;
}

.cs-card:hover {
  transform: translateY(-8px);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 20px 40px -15px rgba(6, 182, 212, 0.15), 0 0 0 1px rgba(6, 182, 212, 0.2);
}

.cs-card-header {
  padding: 32px 32px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  position: relative;
}

.cs-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.cs-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.cs-badge-seo {
  background: rgba(6, 182, 212, 0.12);
  color: #22D3EE;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.cs-badge-ads {
  background: rgba(255, 122, 0, 0.12);
  color: #FF7A00;
  border: 1px solid rgba(255, 122, 0, 0.3);
}

.cs-badge-local {
  background: rgba(16, 185, 129, 0.12);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.cs-badge-web {
  background: rgba(168, 85, 247, 0.12);
  color: #C084FC;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.cs-timeframe {
  font-size: 0.82rem;
  color: #64748B;
  font-weight: 600;
}

.cs-card-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.35;
  margin-bottom: 10px;
}

.cs-card-client {
  font-size: 0.92rem;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cs-card-body {
  padding: 28px 32px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Metric highlights within card */
.cs-metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 18px 14px;
  margin-bottom: 24px;
  text-align: center;
}

.cs-metric-cell-val {
  font-family: 'Outfit', sans-serif;
  font-size: 1.55rem;
  font-weight: 800;
  color: #38BDF8;
  line-height: 1.1;
  margin-bottom: 4px;
}

.cs-metric-cell-val.orange {
  color: #FF7A00;
}

.cs-metric-cell-val.green {
  color: #10B981;
}

.cs-metric-cell-lbl {
  font-size: 0.74rem;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.cs-card-desc {
  font-size: 0.92rem;
  color: #94A3B8;
  line-height: 1.65;
  margin-bottom: 20px;
}

.cs-strategy-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.cs-strategy-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 8px;
  font-size: 0.88rem;
  color: #CBD5E1;
}

.cs-strategy-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #10B981;
  font-weight: bold;
}

/* Client Testimonial Snippet inside Case Study */
.cs-quote-box {
  background: rgba(255, 255, 255, 0.03);
  border-left: 3px solid #FF7A00;
  border-radius: 0 12px 12px 0;
  padding: 16px 18px;
  margin-top: auto;
  font-style: italic;
  font-size: 0.88rem;
  color: #CBD5E1;
}

.cs-quote-author {
  margin-top: 8px;
  font-style: normal;
  font-weight: 700;
  font-size: 0.82rem;
  color: #FFFFFF;
}

/* Visual Breakdown / Comparison */
.cs-comparison-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  margin-bottom: 20px;
}

.cs-comp-state {
  display: flex;
  flex-direction: column;
}

.cs-comp-state-lbl {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: #64748B;
  font-weight: 700;
}

.cs-comp-state-val {
  font-size: 1.05rem;
  font-weight: 700;
}

.cs-comp-state-val.before {
  color: #EF4444;
}

.cs-comp-state-val.after {
  color: #10B981;
}

.cs-comp-arrow {
  color: #64748B;
  font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 991px) {
  .cs-grid {
    grid-template-columns: 1fr;
  }
  .cs-stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  .cs-stat-box:nth-child(2)::after {
    display: none;
  }
}

@media (max-width: 640px) {
  .cs-stats-strip {
    grid-template-columns: 1fr;
  }
  .cs-stat-box::after {
    display: none !important;
  }
  .cs-card-header, .cs-card-body {
    padding: 24px 20px;
  }
  .cs-metrics-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}