/* ============================================================
   research.css — Scoped under .research-wrapper
   Matches the HTML reference design exactly.
   All rules scoped to avoid conflicts with Bootstrap/main.css
   ============================================================ */

/* --- Local CSS Variables --- */
.research-wrapper {
  --r-blue:        #263c6f;
  --r-blue-hover:  #1d2e55;
  --r-blue-light:  #f0f4f8;
  --r-accent:      #3b82f6;
  --r-border:      #e5e7eb;
  --r-text:        #111827;
  --r-muted:       #6b7280;
  --r-bg:          #f9fafb;
  --r-white:       #ffffff;
  --r-shadow-soft: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
  --r-shadow-hover: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);

  width: 100%;
  background-color: var(--r-bg);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.research-wrapper #research-hero {
  width: 100%;
  background-color: var(--r-bg);
  border-bottom: 1px solid var(--r-border);
  padding-top: 3rem;
  padding-bottom: 4rem;
  font-family: 'Inter', sans-serif;
}

/* Label row: gạch ngang + text "Research Hub" */
.research-wrapper #research-hero .hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.research-wrapper #research-hero .hero-label-line {
  display: block;
  width: 2rem;
  height: 2.5px;
  background-color: var(--r-accent);
  flex-shrink: 0;
}

.research-wrapper #research-hero .hero-label-text {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--r-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: 'Inter', sans-serif;
}

/* Heading */
.research-wrapper #research-hero h1 {
  font-family: 'Inter', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--r-text);
  letter-spacing: -0.025em;
  line-height: 1.1;
  margin: 0;
}

@media (min-width: 1024px) {
  .research-wrapper #research-hero h1 {
    font-size: 4.5rem;
  }
}

.research-wrapper #research-hero h1 span {
  color: var(--r-blue);
}

/* Paragraph */
.research-wrapper #research-hero .hero-desc {
  font-family: 'Inter', sans-serif;
  font-size: 1.125rem;
  color: var(--r-muted);
  line-height: 1.625;
  max-width: 36rem;
  margin: 0;
}

/* Left column spacing */
.research-wrapper #research-hero .hero-left {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Button row */
.research-wrapper #research-hero .hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Hero buttons */
.research-wrapper .r-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background-color: var(--r-blue);
  color: var(--r-white);
  border: none;
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  text-decoration: none;
}

.research-wrapper .r-btn-primary:hover {
  background-color: var(--r-blue-hover);
  color: var(--r-white);
}

.research-wrapper .r-btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background-color: var(--r-white);
  color: var(--r-text);
  border: 1px solid var(--r-border);
  border-radius: 9999px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
  text-decoration: none;
}

.research-wrapper .r-btn-outline:hover {
  background-color: #f9fafb;
  color: var(--r-text);
}

/* Hero floating stat cards */
.research-wrapper .r-stat-card {
  position: absolute;
  background-color: var(--r-white);
  border-radius: 1rem;
  padding: 1rem;
  border: 1px solid var(--r-border);
  box-shadow: var(--r-shadow-hover);
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.research-wrapper .r-stat-card p {
  margin: 0;
  line-height: 1.2;
}

/* ============================================================
   RESEARCH DOMAINS SECTION
   ============================================================ */
.research-wrapper #research-domains {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: var(--r-white);
}

.research-wrapper #research-domains h2 {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--r-text);
  margin-bottom: 1rem;
}

@media (min-width: 1024px) {
  .research-wrapper #research-domains h2 {
    font-size: 2.25rem;
  }
}

.research-wrapper #research-domains > div > div:first-child p {
  color: var(--r-muted);
  max-width: 42rem;
  margin: 0 auto;
}

/* Domain card — folder tab shape */
.research-wrapper .folder-tab {
  clip-path: polygon(0 0, calc(100% - 40px) 0, 100% 40px, 100% 100%, 0 100%);
  padding: 2rem;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  border-radius: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.research-wrapper .folder-tab:hover {
  transform: translateY(-4px);
  box-shadow: var(--r-shadow-hover);
}

/* Blue variant (first card) */
.research-wrapper .folder-tab-blue {
  background-color: var(--r-blue);
  color: var(--r-white);
}

.research-wrapper .folder-tab-blue h3 {
  color: var(--r-white);
}

.research-wrapper .folder-tab-blue p {
  color: rgba(255,255,255,0.8);
}

/* Light variant */
.research-wrapper .folder-tab-light {
  background-color: var(--r-blue-light);
  color: var(--r-text);
  border: 1px solid var(--r-border);
}

/* CTA card (dashed border) */
.research-wrapper .domain-card-cta {
  border-radius: 1.5rem;
  padding: 2rem;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  border: 2px dashed var(--r-border);
  background-color: var(--r-bg);
  cursor: pointer;
  transition: border-color 0.2s;
}

.research-wrapper .domain-card-cta:hover {
  border-color: var(--r-blue);
}

.research-wrapper .domain-card-cta h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--r-text);
  margin-bottom: 0.5rem;
}

.research-wrapper .domain-card-cta p {
  font-size: 0.875rem;
  color: var(--r-muted);
  margin: 0;
}

/* Domain card icon box */
.research-wrapper .domain-icon-blue {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  background-color: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  border: 1px solid rgba(255,255,255,0.3);
  flex-shrink: 0;
}

.research-wrapper .domain-icon-light {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  background-color: var(--r-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  border: 1px solid var(--r-border);
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
  flex-shrink: 0;
}

.research-wrapper .domain-card-cta .domain-icon-cta {
  width: 4rem;
  height: 4rem;
  border-radius: 9999px;
  background-color: var(--r-white);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
  transition: transform 0.2s;
}

.research-wrapper .domain-card-cta:hover .domain-icon-cta {
  transform: scale(1.1);
}

/* Domain card footer row */
.research-wrapper .domain-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.research-wrapper .domain-badge-white {
  font-size: 0.875rem;
  font-weight: 500;
  background-color: var(--r-white);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--r-border);
  color: var(--r-blue);
}

.research-wrapper .domain-badge-glass {
  font-size: 0.875rem;
  font-weight: 500;
  background-color: rgba(255,255,255,0.2);
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  color: var(--r-white);
}

/* ============================================================
   PROJECTS & CENTERS SECTION
   ============================================================ */
.research-wrapper #projects-centers {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: var(--r-bg);
  border-top: 1px solid var(--r-border);
  border-bottom: 1px solid var(--r-border);
}

.research-wrapper #projects-centers h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--r-text);
  margin: 0;
}

/* Project item card */
.research-wrapper .project-card {
  background-color: var(--r-white);
  border-radius: 1.25rem;
  padding: 1.5rem;
  border: 1px solid var(--r-border);
  box-shadow: var(--r-shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  transition: box-shadow 0.25s ease;
}

.research-wrapper .project-card:hover {
  box-shadow: var(--r-shadow-hover);
}

@media (min-width: 640px) {
  .research-wrapper .project-card {
    flex-direction: row;
    align-items: center;
  }
}

.research-wrapper .project-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--r-border);
}

.research-wrapper .project-icon-blue  { background-color: var(--r-blue-light); border-color: var(--r-border); }
.research-wrapper .project-icon-purple { background-color: #faf5ff; border-color: #e9d5ff; }
.research-wrapper .project-icon-orange { background-color: #fff7ed; border-color: #fed7aa; }

/* Status badges */
.research-wrapper .badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.research-wrapper .badge-active     { background-color: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
.research-wrapper .badge-collection { background-color: #fefce8; color: #a16207; border-color: #fde68a; }
.research-wrapper .badge-review     { background-color: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }

/* Progress bar */
.research-wrapper .progress-bar-track {
  width: 8rem;
  background-color: var(--r-bg);
  border-radius: 9999px;
  height: 0.375rem;
}

.research-wrapper .progress-bar-fill {
  height: 0.375rem;
  border-radius: 9999px;
}

.research-wrapper .progress-fill-blue   { background-color: var(--r-blue); }
.research-wrapper .progress-fill-accent { background-color: var(--r-accent); }

/* ============================================================
   FUNDING CALLS (right column)
   ============================================================ */
.research-wrapper .funding-card {
  background-color: var(--r-white);
  border-radius: 1.5rem;
  padding: 1.5rem;
  border: 1px solid var(--r-border);
  box-shadow: var(--r-shadow-soft);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.25s ease;
}

.research-wrapper .funding-card:hover {
  box-shadow: var(--r-shadow-hover);
}

.research-wrapper .funding-item {
  padding: 1.25rem;
  background-color: var(--r-bg);
  border-radius: 1rem;
  border: 1px solid var(--r-border);
  transition: border-color 0.2s;
}

.research-wrapper .funding-item:hover {
  border-color: var(--r-accent);
}

.research-wrapper .funding-item h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--r-text);
  margin: 0 0 0.75rem 0;
}

.research-wrapper .funding-label-urgent {
  font-size: 0.625rem;
  font-weight: 700;
  color: #ef4444;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.5rem;
}

.research-wrapper .funding-label-internal {
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--r-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.5rem;
}

.research-wrapper .funding-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.research-wrapper .funding-due {
  font-size: 0.75rem;
  color: var(--r-muted);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.research-wrapper .funding-link {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--r-blue);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  text-decoration: none;
  transition: color 0.15s;
}

.research-wrapper .funding-link:hover {
  color: var(--r-blue-hover);
}

.research-wrapper .funding-view-all {
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.75rem;
  border-radius: 0.75rem;
  border: 1px solid var(--r-border);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--r-text);
  background-color: var(--r-white);
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
}

.research-wrapper .funding-view-all:hover {
  border-color: var(--r-blue);
  color: var(--r-blue);
}

/* ============================================================
   RESEARCH RESOURCES (Quick Links)
   ============================================================ */
.research-wrapper #research-quick-links {
  padding-top: 5rem;
  padding-bottom: 5rem;
  background-color: var(--r-white);
}

.research-wrapper .resource-card {
  display: block;
  background-color: var(--r-bg);
  border-radius: 1.5rem;
  padding: 2rem;
  border: 1px solid var(--r-border);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  transition: border-color 0.2s;
}

.research-wrapper .resource-card:hover {
  border-color: var(--r-accent);
}

.research-wrapper .resource-card-glow {
  position: absolute;
  right: 0;
  top: 0;
  width: 16rem;
  height: 16rem;
  background-color: var(--r-blue-light);
  border-radius: 9999px;
  filter: blur(64px);
  opacity: 0.5;
  transform: translateY(-50%) translateX(25%);
  transition: opacity 0.3s;
  pointer-events: none;
}

.research-wrapper .resource-card:hover .resource-card-glow {
  opacity: 0.8;
}

.research-wrapper .resource-icon {
  width: 4rem;
  height: 4rem;
  border-radius: 1rem;
  background-color: var(--r-white);
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
  border: 1px solid var(--r-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform 0.2s;
}

.research-wrapper .resource-card:hover .resource-icon {
  transform: scale(1.05);
}

.research-wrapper .resource-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--r-text);
  margin-bottom: 0.5rem;
  transition: color 0.2s;
}

.research-wrapper .resource-card:hover h3 {
  color: var(--r-blue);
}

.research-wrapper .resource-card p {
  color: var(--r-muted);
  line-height: 1.625;
  margin-bottom: 1rem;
}

.research-wrapper .resource-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--r-blue);
  gap: 0.5rem;
}

/* ============================================================
   COLLABORATION CTA SECTION
   ============================================================ */
.research-wrapper #collaboration-cta {
  padding-top: 6rem;
  padding-bottom: 6rem;
  background-color: var(--r-blue);
  position: relative;
  overflow: hidden;
}

.research-wrapper #collaboration-cta h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--r-white);
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
  .research-wrapper #collaboration-cta h2 { font-size: 3rem; }
}

@media (min-width: 1024px) {
  .research-wrapper #collaboration-cta h2 { font-size: 3.75rem; }
}

.research-wrapper #collaboration-cta p {
  font-size: 1.25rem;
  color: var(--r-blue-light);
  opacity: 0.9;
  line-height: 1.625;
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  font-weight: 300;
}

.research-wrapper .cta-btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background-color: var(--r-white);
  color: var(--r-blue);
  border: none;
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  text-decoration: none;
  width: 100%;
}

@media (min-width: 640px) {
  .research-wrapper .cta-btn-white { width: auto; }
}

.research-wrapper .cta-btn-white:hover {
  background-color: #f9fafb;
  color: var(--r-blue);
}

.research-wrapper .cta-btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background-color: transparent;
  color: var(--r-white);
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s;
  text-decoration: none;
  width: 100%;
}

@media (min-width: 640px) {
  .research-wrapper .cta-btn-ghost { width: auto; }
}

.research-wrapper .cta-btn-ghost:hover {
  background-color: rgba(255,255,255,0.1);
  color: var(--r-white);
}