/* ══════════════════════
   PORTFOLIO CSS — Redesign
   ══════════════════════ */

/* STATS STRIP */
.stats-strip {
  padding: 40px 0;
  background: rgba(255, 255, 255, 0.05);
  position: relative;
}

.stats-strip::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--navy);
  z-index: -1;
}

.strip-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.strip-stat {
  text-align: center;
}

.s-num {
  display: block;
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
}

.s-label {
  display: block;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
  font-weight: 500;
}

.strip-div {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
}

/* FILTER BAR */
.filter-bar {
  padding: 48px 0 0;
  background: var(--bg);
  background-image: var(--noise);
}

.filter-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 10px 22px;
  border-radius: 3px;
  border: 1.5px solid rgba(29, 53, 87, 0.2);
  color: var(--text-dim);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  border-color: var(--navy);
  color: var(--navy);
}

.filter-btn.active {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

/* CASE STUDIES */
.case-studies {
  background: var(--bg);
  background-image: var(--noise);
  padding: 40px 0 100px;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.case-card {
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glass);
  transition: transform var(--transition), box-shadow var(--transition), opacity 0.2s ease;
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glass-hover);
}

.case-card.hidden {
  opacity: 0;
  transform: scale(0.96);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

.case-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(69, 123, 157, 0.1);
  border: 1px solid rgba(69, 123, 157, 0.2);
  color: var(--accent-blue);
  padding: 5px 14px;
  border-radius: 3px;
  margin: 24px 24px 0;
  align-self: flex-start;
}

.case-visual {
  border-radius: 0;
  padding: 40px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  position: relative;
  min-height: 200px;
  overflow: hidden;
}

.case-visual.cs-ai { background: linear-gradient(135deg, #1D3557, #254B6E); }
.case-visual.cs-web { background: linear-gradient(135deg, #254B6E, #1D3557); }
.case-visual.cs-phone { background: linear-gradient(135deg, #1D3557, #2B5F8A); }
.case-visual.cs-social { background: linear-gradient(135deg, #2B5F8A, #1D3557); }

.cs-graphic {
  position: absolute;
  opacity: 0.12;
}

.cs-graphic svg {
  width: 80px;
  height: 80px;
  fill: #fff;
}

.cs-metric {
  text-align: center;
  position: relative;
  z-index: 1;
}

.cs-big {
  display: block;
  font-family: var(--font-head);
  font-size: 3.5rem;
  font-weight: 800;
  color: #fff;
}

.cs-label {
  display: block;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-weight: 500;
}

.case-body {
  padding: 24px;
}

.case-card h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 8px;
}

.case-card .case-body p {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 16px;
}

.case-results {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.result-pill {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(29, 53, 87, 0.07);
  border: 1px solid rgba(29, 53, 87, 0.12);
  border-radius: 3px;
  padding: 6px 14px;
  color: var(--navy);
  white-space: nowrap;
}

@media (max-width: 768px) {
  .case-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .strip-div {
    display: none;
  }

  .strip-stats {
    gap: 24px;
  }
}