/* ==========================================================================
   SECTION-SPECIFIC STYLES
   ========================================================================== */

/* ---------- HERO SECTION ---------- */
.hero-section {
  padding: 80px 0 64px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-telemetry-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  color: var(--accent-cyan);
  background: #DCFCE7;
  border: 1px solid var(--border-active);
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero-telemetry-badge .status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-title {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.08;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--accent-teal), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 28px;
  max-width: 580px;
}

.hero-credentials {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-subtle);
  border-left: 2px solid var(--accent-cyan);
  padding-left: 16px;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.affiliation-strip {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  align-items: center;
  max-width: 560px;
  background: #FFFFFF;
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 12px 14px;
  margin: -12px 0 28px;
  box-shadow: var(--shadow-sm);
}

.affiliation-strip img {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

.affiliation-strip strong {
  display: block;
  color: var(--text-main);
  font-size: 0.95rem;
}

.affiliation-strip span {
  display: block;
  color: var(--text-muted);
  font-size: 0.88rem;
}

/* Interactive Canvas Container in Hero */
.hero-canvas-container {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-md);
  position: relative;
}

.hero-canvas-container canvas {
  display: block;
  width: 100%;
  height: auto;
}

.canvas-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  color: var(--text-muted);
}

.canvas-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  background: var(--bg-tertiary);
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
}

.canvas-controls input[type="range"] {
  flex: 1;
  accent-color: var(--accent-cyan);
}

/* ---------- ABOUT SECTION ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.about-profile-card {
  position: relative;
  max-width: 420px;
  margin: 0 auto;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-line);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.department-identity-card {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 22px;
  padding: 34px;
  background: #FFFFFF;
  text-align: center;
}

.department-identity-card img {
  width: min(220px, 78%);
  object-fit: contain;
}

.department-identity-card h3 {
  font-size: clamp(1.45rem, 2.4vw, 2rem);
}

.department-identity-card p {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  margin-top: 8px;
  text-transform: uppercase;
}

.institution-stack {
  display: grid;
  grid-template-rows: repeat(3, minmax(150px, 1fr));
  background: #FFFFFF;
}

.institution-stack-item {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 22px;
  align-items: center;
  padding: 24px;
  border-bottom: 1px solid var(--border-line);
}

.institution-stack-item.primary {
  grid-template-columns: 150px 1fr;
  min-height: 190px;
  background: linear-gradient(135deg, #FFFFFF, #F0FDF4);
}

.institution-stack-item:last-child {
  border-bottom: none;
}

.institution-stack-item img {
  width: 100%;
  height: 104px;
  object-fit: contain;
  background: #FFFFFF;
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 8px;
}

.institution-stack-item.primary img {
  height: 138px;
  border: none;
  padding: 0;
}

.institution-stack-item h3 {
  font-size: clamp(1.18rem, 2vw, 1.65rem);
  margin-bottom: 8px;
}

.institution-stack-item.primary h3 {
  font-size: clamp(1.55rem, 2.6vw, 2.2rem);
}

.institution-stack-item p {
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.about-logo-strip {
  display: block;
  padding: 14px 16px;
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-line);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.about-text p {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
}

.edu-timeline {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  padding: 20px;
  border-radius: 10px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 16px;
}

.edu-degree {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent-amber);
  font-weight: 600;
}

/* ---------- DSS PLAYGROUND & DEMO SECTION ---------- */
.dss-container {
  background: transparent;
  border: none;
  padding: 0;
  box-shadow: none;
}

/* Live Emergency Alert Ticker Banner */
.alert-ticker-banner {
  background: linear-gradient(90deg, rgba(239, 68, 68, 0.18), rgba(220, 38, 38, 0.25));
  border-bottom: 1px solid rgba(239, 68, 68, 0.4);
  padding: 10px 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: #F87171;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.alert-ticker-content {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dss-header-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 16px;
}

.dss-tab-btn {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-line);
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  padding: 8px 18px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dss-tab-btn.active, .dss-tab-btn:hover {
  background: var(--accent-cyan);
  color: #FFFFFF;
  font-weight: 600;
  border-color: var(--accent-cyan);
}

.dam-selector-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.dam-select-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dam-select-card.active, .dam-select-card:hover {
  border-color: var(--accent-amber);
  box-shadow: 0 0 12px var(--accent-amber-glow);
}

.dam-select-card h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.dam-select-card span {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
}

.dss-metrics-dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.metric-box {
  background: var(--bg-primary);
  border: 1px solid var(--border-line);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}

.metric-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--accent-cyan);
}

.metric-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 6px;
}

/* ---------- EXPERTISE / SKILLS RADAR ---------- */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  align-items: stretch;
}

.expertise-card {
  --card-accent: #16A34A;
  --card-surface: #F0FDF4;
  --card-pill: #DCFCE7;
  --card-border: #BBF7D0;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--card-surface) 100%);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 320px;
  box-shadow: var(--shadow-sm);
}

.expertise-card .cat-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--card-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
  font-weight: 700;
}

.expertise-card h4 {
  font-size: clamp(1.2rem, 1.6vw, 1.55rem);
  line-height: 1.14;
  margin-bottom: 24px;
}

.expertise-card .chip-list {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.expertise-card .chip {
  background: var(--card-pill);
  border-color: color-mix(in srgb, var(--card-accent) 22%, transparent);
  color: color-mix(in srgb, var(--card-accent) 62%, #123326);
  border-radius: 18px;
  padding: 6px 11px;
  max-width: 100%;
}

.expertise-water {
  --card-accent: #15803D;
  --card-surface: #F0FDF4;
  --card-pill: #DCFCE7;
  --card-border: #BBF7D0;
}

.expertise-forecast {
  --card-accent: #0284C7;
  --card-surface: #F0F9FF;
  --card-pill: #E0F2FE;
  --card-border: #BAE6FD;
}

.expertise-spatial {
  --card-accent: #0F766E;
  --card-surface: #ECFDF5;
  --card-pill: #CCFBF1;
  --card-border: #99F6E4;
}

.expertise-code {
  --card-accent: #7C3AED;
  --card-surface: #FAF5FF;
  --card-pill: #F3E8FF;
  --card-border: #DDD6FE;
}

.expertise-delivery {
  --card-accent: #B45309;
  --card-surface: #FFFBEB;
  --card-pill: #FEF3C7;
  --card-border: #FDE68A;
}

.expertise-monitoring {
  --card-accent: #4F46E5;
  --card-surface: #EEF2FF;
  --card-pill: #E0E7FF;
  --card-border: #C7D2FE;
}

.expertise-field {
  --card-accent: #0F766E;
  --card-surface: #F0FDFA;
  --card-pill: #CCFBF1;
  --card-border: #99F6E4;
}

.expertise-flood {
  --card-accent: #0369A1;
  --card-surface: #EFF6FF;
  --card-pill: #DBEAFE;
  --card-border: #BFDBFE;
}

/* ---------- SELECTED WORK / PROJECTS ---------- */
.project-filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-btn.active, .filter-btn:hover {
  border-color: var(--accent-cyan);
  color: #0F3D24;
  background: #DCFCE7;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 14px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.project-card:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.project-card .project-pid {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--accent-amber);
  margin-bottom: 10px;
}

.project-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.project-card p {
  color: var(--text-muted);
  font-size: 0.94rem;
  margin-bottom: 20px;
  flex: 1;
}

.project-card .project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-line);
  padding-top: 16px;
  margin-top: auto;
}

/* ---------- NUMBERS STATS BANNER ---------- */
.stats-banner {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  border: 1px solid var(--border-line);
  border-radius: 16px;
  padding: 48px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item .stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--accent-amber);
  line-height: 1;
}

.stat-item .stat-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 10px;
}

/* ---------- TECHNICAL REPORTING GRID ---------- */
.ihe-journey-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 36px;
  align-items: start;
}

.ihe-identity-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.ihe-identity-card img {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  background: #FFFFFF;
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 22px;
}

.ihe-identity-card h3 {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.ihe-identity-card p {
  color: var(--text-muted);
  margin-bottom: 18px;
}

.ihe-identity-card .chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ihe-timeline {
  display: grid;
  gap: 16px;
}

.ihe-step {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 8px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.ihe-step > span {
  font-family: 'JetBrains Mono', monospace;
  color: var(--accent-amber);
  font-weight: 700;
}

.ihe-step h4 {
  font-size: 1.08rem;
  margin-bottom: 6px;
}

.ihe-step p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.tools-grid,
.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
}

.research-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.research-card h3 {
  font-size: 1.25rem;
}

.research-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.research-card .chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.reports-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.report-item {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  padding: 20px;
  border-radius: 10px;
  font-size: 0.94rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.report-item .dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-cyan);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---------- CONTACT SECTION ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 48px;
}

.contact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-line);
  border-radius: 16px;
  padding: 40px;
}

.contact-field-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 28px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

.c-field {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-line);
  padding-bottom: 12px;
}

.c-field .key {
  color: var(--text-subtle);
}

.c-field .val {
  color: var(--accent-cyan);
  text-align: right;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-primary);
  border: 1px solid var(--border-line);
  color: var(--text-main);
  padding: 12px 16px;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

/* RESPONSIVE LAYOUT BREAKPOINTS */
@media (max-width: 1024px) {
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .ihe-journey-grid { grid-template-columns: 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .research-grid { grid-template-columns: 1fr; }
  .dss-metrics-dashboard { grid-template-columns: repeat(2, 1fr); }
  .reports-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr; }
  .ihe-step { grid-template-columns: 1fr; }
  .stats-banner { grid-template-columns: repeat(2, 1fr); }
  .dam-selector-grid { grid-template-columns: repeat(2, 1fr); }
  .institution-stack-item,
  .institution-stack-item.primary {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .institution-stack-item img,
  .institution-stack-item.primary img {
    width: min(220px, 100%);
    margin: 0 auto;
  }

  .hero-section {
    padding: 56px 0 48px;
  }

  .hero-title {
    font-size: clamp(2.05rem, 11vw, 3rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-telemetry-badge,
  .hero-credentials,
  .canvas-header,
  .canvas-controls {
    font-size: 0.68rem;
  }

  .canvas-header,
  .canvas-controls {
    align-items: flex-start;
    flex-direction: column;
  }

  .canvas-controls input[type="range"] {
    width: 100%;
  }

  .stats-banner {
    padding: 28px 18px;
  }

  .contact-card,
  .card {
    padding: 24px;
  }

  .c-field {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .c-field .val {
    text-align: left;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 520px) {
  .hero-ctas,
  .project-filter-bar {
    flex-direction: column;
  }

  .btn,
  .filter-btn {
    justify-content: center;
    width: 100%;
  }

  .stats-banner,
  .dam-selector-grid,
  .reports-grid {
    grid-template-columns: 1fr;
  }

  .edu-card {
    grid-template-columns: 1fr;
  }

  .modal-overlay {
    padding: 12px;
  }

  .modal-content {
    padding: 28px 18px;
  }
}