/* ========================================
   RESEARCH PAGE SPECIFIC STYLES (REFINED)
   ======================================== */

/* Hero Section */
.hero-content-narrow {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* W-Pattern Layout for Pillar Cards */
.pillars-w-pattern {
  display: flex;
  flex-direction: column;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}

.pillar-card {
  width: calc(50% - var(--spacing-6));
  margin-bottom: var(--spacing-8);
  background: white;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-duration-normal) var(--transition-timing-out),
              box-shadow var(--transition-duration-normal) var(--transition-timing-out);
  border: 1px solid var(--color-border-light);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
}

.pillar-card-left {
  margin-right: auto;
}

.pillar-card-right {
  margin-left: auto;
  margin-top: calc(var(--spacing-4) * -1);
  margin-bottom: calc(var(--spacing-8) + var(--spacing-4));
}

.pillar-card-header {
  padding: var(--spacing-5) var(--spacing-6);
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  min-height: 100px;
}

.pillar-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

.pillar-icon svg {
  width: 30px;
  height: 30px;
  stroke: white;
  fill: none;
  stroke-width: 2;
}

.pillar-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: white;
  margin: 0;
  line-height: var(--line-height-tight);
}

.pillar-card-content {
  padding: var(--spacing-6);
}

.pillar-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
  font-size: var(--font-size-base);
}

.pillar-questions {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.pillar-question {
  display: flex;
  gap: var(--spacing-3);
  align-items: flex-start;
  padding: var(--spacing-3);
  background: var(--color-background-secondary);
  border-radius: var(--border-radius-lg);
  border-left: 3px solid var(--color-primary);
  transition: all var(--transition-duration-fast) var(--transition-timing-out);
}

.pillar-question:hover {
  background: white;
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.question-mark {
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.question-text {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-sm);
  margin: 0;
  font-style: italic;
}

.pillar-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.pillar-list li {
  padding-left: var(--spacing-5);
  position: relative;
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-base);
}

.pillar-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
}

.pillar-approach {
  padding: var(--spacing-4);
  background: linear-gradient(135deg, var(--color-primary-50), white);
  border-radius: var(--border-radius-lg);
  border-left: 4px solid var(--color-primary);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-relaxed);
  margin: var(--spacing-4) 0 0;
}

/* Methodology Grid */
.methods-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-5);
  margin: var(--spacing-8) 0;
}

.method-card {
  background: white;
  padding: var(--spacing-5);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-duration-normal) var(--transition-timing-out);
  border: 1px solid var(--color-border-light);
  text-align: center;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.method-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.method-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-4);
  background: linear-gradient(135deg, var(--color-primary-50), white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-primary);
  transition: all var(--transition-duration-normal) var(--transition-timing-out);
}

.method-card:hover .method-icon {
  background: var(--color-primary);
  transform: scale(1.1);
}

.method-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-primary);
  fill: none;
  stroke-width: 2;
  transition: stroke var(--transition-duration-normal) var(--transition-timing-out);
}

.method-card:hover .method-icon svg {
  stroke: white;
}

.method-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.method-description {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-sm);
  margin: 0;
  flex: 1;
}

/* Research Impact Section - Refined */
.research-impact {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: var(--spacing-16) 0;
  margin: var(--spacing-8) 0;
  position: relative;
  overflow: hidden;
}

.research-impact::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.research-impact::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.impact-card {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-10) var(--spacing-8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-2xl);
}

.impact-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.impact-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: white;
  margin-bottom: var(--spacing-3);
  line-height: var(--line-height-tight);
}

.impact-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.impact-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  margin-bottom: var(--spacing-8);
}

.impact-metric {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-6) var(--spacing-4);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: transform var(--transition-duration-normal) var(--transition-timing-out),
              box-shadow var(--transition-duration-normal) var(--transition-timing-out);
}

.impact-metric:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.15);
}

.impact-metric-value {
  display: block;
  font-size: var(--font-size-5xl);
  font-weight: var(--font-weight-bold);
  color: white;
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-2);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.impact-metric-label {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: white;
  margin-bottom: var(--spacing-2);
}

.impact-metric-description {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

.impact-description {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding-top: var(--spacing-6);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.impact-description p {
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.95);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

/* Collaborations Grid with Logos */
.collaborations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  margin: var(--spacing-8) 0;
}

.collaboration-card {
  background: white;
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-duration-normal) var(--transition-timing-out);
  border: 1px solid var(--color-border-light);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.collaboration-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.collaboration-logo {
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-4);
}

.partner-logo {
  max-width: 180px;
  max-height: 80px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(0%);
  transition: filter var(--transition-duration-fast) var(--transition-timing-out);
}

.collaboration-card:hover .partner-logo {
  filter: grayscale(0%);
}

.collaboration-info {
  text-align: center;
}

.collaboration-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.collaboration-type {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

/* Responsive */
@media (max-width: 768px) {
  .pillar-card {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  
  .pillar-card-right {
    margin-top: 0;
    margin-bottom: var(--spacing-4);
  }
  
  .pillar-card-header {
    padding: var(--spacing-4);
    flex-direction: column;
    text-align: center;
  }
  
  .pillar-card-title {
    font-size: var(--font-size-base);
  }
  
  .pillar-card-content {
    padding: var(--spacing-4);
  }
  
  .methods-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .impact-metrics {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
  
  .collaborations-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  
  .impact-card {
    padding: var(--spacing-6) var(--spacing-4);
  }
  
  .impact-title {
    font-size: var(--font-size-3xl);
  }
  
  .impact-subtitle {
    font-size: var(--font-size-base);
  }
  
  .impact-metric-value {
    font-size: var(--font-size-4xl);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .pillar-card {
    width: calc(50% - var(--spacing-3));
  }
  
  .pillar-card-header {
    padding: var(--spacing-4);
    gap: var(--spacing-3);
  }
  
  .pillar-icon {
    width: 50px;
    height: 50px;
  }
  
  .pillar-icon svg {
    width: 24px;
    height: 24px;
  }
  
  .pillar-card-title {
    font-size: var(--font-size-base);
  }
  
  .methods-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .collaborations-grid {
    gap: var(--spacing-4);
  }
}