/* ===================================================
   PROOF HUB - UNIFIED PREMIUM DESIGN SYSTEM
   =================================================== */

.proof-hub-section {
  padding: 120px 0;
  position: relative;
  background: radial-gradient(circle at 50% -20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
}

.proof-hub-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Tabs */
.proof-hub-header {
  text-align: center;
  margin-bottom: 80px;
}

.proof-hub-header .section-title {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  color: var(--text-title);
  letter-spacing: -0.03em;
  margin-top: 15px;
}

/* Tabs UI */
.tabs-toggle-container {
  display: inline-flex;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(20px);
  padding: 8px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  position: relative;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.tab-btn {
  padding: 16px 36px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 800;
  font-family: var(--font-body);
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tab-btn.active {
  color: #fff;
}

.tab-indicator {
  position: absolute;
  top: 8px;
  left: 8px;
  height: calc(100% - 16px);
  background: var(--accent-gradient);
  border-radius: 100px;
  transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: 1;
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.4);
}

/* Unified Card Design */
.proof-card {
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 32px;
  padding: 40px;
  position: relative;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.proof-card:hover {
  transform: translateY(-10px);
  background: rgba(15, 23, 42, 0.6);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: 0 30px 60px -15px rgba(0,0,0,0.5), 0 0 30px rgba(6, 182, 212, 0.1);
}

/* Card Header */
.card-header {
  display: flex;
  align-items: center;
  gap: 20px;
}

.avatar-box {
  width: 64px;
  height: 64px;
  background: var(--accent-gradient);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 10px 20px rgba(6, 182, 212, 0.3);
  flex-shrink: 0;
}

.author-info strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--text-title);
  margin-bottom: 4px;
}

.author-info span {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Card Content */
.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(6, 182, 212, 0.15);
  color: var(--primary-light);
  padding: 8px 16px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
  border: 1px solid rgba(6, 182, 212, 0.2);
  align-self: flex-start;
}

.card-quote {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-muted-light);
  font-style: italic;
  position: relative;
}

.card-quote strong {
  color: var(--primary-light);
}

/* Card Metrics */
.card-metrics {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
}

.metric-item {
  display: flex;
  flex-direction: column;
}

.metric-label {
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.metric-value {
  color: var(--gold-premium);
  font-weight: 800;
}

/* Visibility Logic */
.proof-panel {
  display: none;
  animation: fadeInPanel 0.6s ease forwards;
}

.proof-panel.active {
  display: block;
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Grid Layouts */
.therapist-grid, 
.patient-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

/* Responsive */
@media (max-width: 1024px) {
  .therapist-grid, 
  .patient-grid {
    grid-template-columns: 1fr !important;
  }
  
  .proof-hub-header .section-title {
    font-size: 2.2rem;
  }
}

@media (max-width: 480px) {
  .proof-card {
    padding: 24px;
  }
  
  .tab-btn {
    padding: 12px 14px;
    font-size: 11px;
    gap: 8px;
  }
}