/* ==========================================================================
   Dr. Bert de Jong - Personal Academic & Executive Portfolio
   Theme: Quantum Tech Dark / Modern Executive
   ========================================================================== */

:root {
  /* High-Prestige Executive Color Palette */
  --bg-primary: #070a12;
  --bg-secondary: #0b101d;
  --bg-card: rgba(14, 21, 37, 0.65);
  --bg-card-hover: rgba(22, 33, 56, 0.82);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-card-border-hover: rgba(56, 189, 248, 0.35);
  
  --accent-primary: #38bdf8;
  --accent-azure: #38bdf8;
  --accent-cyan: #38bdf8;
  --accent-blue: #2563eb;
  --accent-purple: #818cf8;
  --accent-emerald: #34d399;
  --accent-amber: #fbbf24;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-highlight: #f1f5f9;

  /* High-End Executive Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing & Layout */
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.18s ease;
  --transition-normal: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(56, 189, 248, 0.15);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  overflow-x: hidden;
  background-color: #070a12;
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -5%, rgba(56, 189, 248, 0.11), transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 35%, rgba(37, 99, 235, 0.05), transparent 50%),
    radial-gradient(ellipse 50% 50% at 10% 70%, rgba(14, 165, 233, 0.04), transparent 50%);
  min-height: 100vh;
}

a {
  color: var(--accent-azure);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #7dd3fc;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: 90%;
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: 10;
}

/* Section Header Styling */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.32rem 0.9rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--accent-azure);
  background: rgba(56, 189, 248, 0.06);
  border: 1px solid rgba(56, 189, 248, 0.18);
  border-radius: var(--radius-full);
  margin-bottom: 0.85rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  color: #ffffff;
  margin-bottom: 0.75rem;
  line-height: 1.15;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Background Canvas (Muted / Retired in favor of CSS atmosphere) */
#quantum-canvas {
  display: none;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(7, 11, 20, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: #ffffff;
  text-decoration: none;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #ffffff;
  color: #070a12;
  font-weight: 800;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 1.75rem;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
  text-decoration: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-nav-cv {
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
}

.btn-nav-cv:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.3);
  color: #ffffff;
  text-decoration: none;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 60px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content {
  position: relative;
  z-index: 10;
}



/* ==========================================================================
   Hero Section: Executive Presentation & Vision
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 8.5rem 0 5rem;
  z-index: 10;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  .hero-socials, .hero-cta-group {
    justify-content: center;
  }
}

/* Executive Category Kicker */
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding: 0.35rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  backdrop-filter: blur(8px);
}

.kicker-pill {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #070a12;
  background: var(--accent-azure);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
}

.kicker-text {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
}

.hero-title {
  font-size: 3.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.75rem;
  }
}

.hero-role-lead {
  font-size: 1.22rem;
  font-weight: 600;
  color: var(--accent-azure);
  letter-spacing: -0.01em;
  margin-bottom: 1.6rem;
}

/* Editorial Vision Statement */
.hero-vision-quote {
  position: relative;
  padding: 1.25rem 1.6rem;
  margin: 0 0 1.6rem 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
  border-left: 3px solid var(--accent-azure);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.vision-quote-text {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.65;
  color: #f1f5f9;
  font-style: italic;
  margin: 0;
}

.hero-bio-short {
  font-size: 0.98rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 640px;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

/* Sophisticated Executive Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.45rem;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  border: 1px solid transparent;
}

.btn-primary {
  background: #ffffff;
  color: #070a12;
  font-weight: 700;
  border-color: #ffffff;
  box-shadow: 0 4px 18px rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: #f1f5f9;
  color: #070a12;
  box-shadow: 0 6px 24px rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  transform: translateY(-2px);
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  transform: translateY(-2px);
}

.hero-socials {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: #ffffff;
  text-decoration: none;
}

/* Hero Visual / Avatar Card */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.avatar-card {
  position: relative;
  z-index: 5;
  padding: 10px;
  background: rgba(14, 21, 37, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  max-width: 370px;
  width: 100%;
  backdrop-filter: blur(12px);
}

.avatar-card img {
  width: 100%;
  height: 430px;
  object-fit: cover;
  object-position: center top;
  border-radius: 16px;
}

.avatar-caption {
  margin-top: 0.85rem;
  text-align: center;
  padding-bottom: 0.35rem;
}

.avatar-name {
  font-size: 1.12rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.avatar-role {
  font-size: 0.82rem;
  color: var(--accent-azure);
  font-weight: 500;
  margin-top: 0.2rem;
}

/* ==========================================================================
   Metrics Ribbon / Stats Section (Architectural Executive Numbers)
   ========================================================================== */
.stats-section {
  position: relative;
  z-index: 10;
  padding: 3rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 16, 29, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.stat-item {
  text-align: center;
  padding: 0.75rem 1rem;
}

.stat-value {
  font-size: 3.2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: #ffffff;
  line-height: 1.05;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  font-weight: 600;
  line-height: 1.45;
}

/* ==========================================================================
   Section: Executive Leadership & Centers
   ========================================================================== */
.section-padding {
  padding: 6rem 0;
  position: relative;
  z-index: 10;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 1.5rem;
}

.program-card {
  background: rgba(14, 21, 37, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.program-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.5), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.program-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  background: rgba(20, 30, 52, 0.78);
}

.program-card:hover::before {
  opacity: 1;
}

.program-card.featured {
  border-color: rgba(56, 189, 248, 0.25);
  background: linear-gradient(145deg, rgba(16, 25, 45, 0.75), rgba(12, 18, 33, 0.85));
}

.program-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.program-badge {
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(56, 189, 248, 0.08);
  color: var(--accent-azure);
  border: 1px solid rgba(56, 189, 248, 0.2);
}

.program-funding {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  font-family: var(--font-mono);
}

.program-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.4rem;
  line-height: 1.3;
  letter-spacing: -0.015em;
}

.program-role {
  font-size: 0.88rem;
  color: var(--accent-azure);
  font-weight: 600;
  margin-bottom: 1rem;
}

.program-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.program-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.tag-pill {
  padding: 0.25rem 0.65rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  font-weight: 500;
  color: #cbd5e1;
}

/* ==========================================================================
   Section: Executive CV & Resume
   ========================================================================== */
.cv-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
  background: rgba(14, 21, 37, 0.5);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cv-toggle-group {
  display: flex;
  background: rgba(7, 10, 18, 0.7);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.toggle-btn {
  padding: 0.45rem 1.3rem;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-btn.active {
  background: #ffffff;
  color: #070a12;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.cv-action-btns {
  display: flex;
  gap: 0.75rem;
}

.btn-print {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1.1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-print:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

/* Timeline & CV Styling */
.timeline {
  position: relative;
  padding-left: 2rem;
  margin: 1.5rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-azure), rgba(255, 255, 255, 0.1), transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.25rem;
}

.timeline-dot {
  position: absolute;
  left: -2rem;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--accent-azure);
}

.timeline-item.recent .timeline-dot {
  background: var(--accent-azure);
}

.cv-card {
  background: rgba(14, 21, 37, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.cv-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(20, 30, 52, 0.75);
}

.cv-role-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.cv-role-org {
  font-size: 0.95rem;
  color: var(--accent-azure);
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.cv-role-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 0.85rem;
}

.cv-bullets {
  list-style: none;
}

.cv-bullets li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.55rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.cv-bullets li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-azure);
  font-size: 1rem;
}

/* Two-column layout for CV cards */
.cv-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.cv-subheading {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  margin: 2.5rem 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.cv-subheading::after {
  content: '';
  flex-grow: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Section: Media, Podcasts & Keynotes
   ========================================================================== */
.media-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--accent-cyan);
  color: #ffffff;
}

.filter-btn.active {
  background: #ffffff;
  color: #070a12;
  border-color: #ffffff;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.35);
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.media-card {
  background: rgba(14, 21, 37, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.media-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  background: rgba(20, 30, 52, 0.78);
}

.media-thumbnail-wrap {
  position: relative;
  height: 190px;
  background: linear-gradient(135deg, #0b101d, #162035);
  overflow: hidden;
}

.media-thumbnail-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.media-card:hover .media-thumbnail-wrap img {
  transform: scale(1.04);
}

.media-play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 10, 18, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.play-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ffffff;
  color: #070a12;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: transform var(--transition-fast);
}

.media-card:hover .play-circle {
  transform: scale(1.1);
}

.media-type-pill {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-azure);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.media-date-pill {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(7, 10, 18, 0.85);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  color: var(--text-highlight);
  font-family: var(--font-mono);
}

.media-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.media-outlet {
  font-size: 0.78rem;
  color: var(--accent-azure);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.media-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.65rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.media-summary {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.media-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.platform-badge-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-azure);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.platform-badge-link:hover {
  color: #ffffff;
  text-decoration: none;
}

/* Audio wave animation */
.audio-wave {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 18px;
}

.wave-bar {
  width: 3px;
  background: var(--accent-cyan);
  border-radius: 2px;
  animation: wave 1.2s infinite ease-in-out;
}

.wave-bar:nth-child(1) { height: 6px; animation-delay: 0.1s; }
.wave-bar:nth-child(2) { height: 14px; animation-delay: 0.3s; }
.wave-bar:nth-child(3) { height: 18px; animation-delay: 0.2s; }
.wave-bar:nth-child(4) { height: 10px; animation-delay: 0.4s; }
.wave-bar:nth-child(5) { height: 8px; animation-delay: 0.25s; }

@keyframes wave {
  0%, 100% { transform: scaleY(0.4); }
  50% { transform: scaleY(1); }
}

/* ==========================================================================
   Section: Publications & Research
   ========================================================================== */
.pub-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.search-box {
  position: relative;
  min-width: 280px;
  flex-grow: 1;
  max-width: 450px;
}

.search-input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.6rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-full);
  color: #ffffff;
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.15);
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pub-card {
  background: var(--bg-card);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.pub-card:hover {
  border-color: var(--bg-card-border-hover);
  background: var(--bg-card-hover);
  transform: translateX(4px);
}

.pub-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.pub-year {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  font-weight: 700;
}

.pub-badge {
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(168, 85, 247, 0.15);
  color: #d8b4fe;
  font-weight: 600;
}

/* ==========================================================================
   Section: Publications & Google Scholar Spotlight
   ========================================================================== */
.scholar-spotlight-card {
  background: rgba(14, 21, 37, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-xl);
  padding: 3.5rem 2.5rem;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  max-width: 960px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.scholar-spotlight-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.5), transparent);
}

.scholar-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.25rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.scholar-stat-val {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #ffffff;
  line-height: 1.1;
  margin-bottom: 0.35rem;
}

.scholar-stat-lbl {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.scholar-card-desc {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-highlight);
  max-width: 700px;
  margin: 0 auto 2.25rem;
}

.scholar-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   Section: Mentorship & Advisory
   ========================================================================== */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.impact-card {
  background: rgba(14, 21, 37, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  text-align: center;
  transition: all var(--transition-fast);
}

.impact-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(20, 30, 52, 0.75);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.impact-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--accent-azure);
  font-size: 1.5rem;
}

.impact-number {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.impact-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.impact-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   Section: Contact & Connect
   ========================================================================== */
.contact-wrapper {
  background: rgba(14, 21, 37, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 3.5rem 2.5rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.contact-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.5), transparent);
}

.contact-methods {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  margin: 2.5rem 0;
  flex-wrap: wrap;
}

.contact-card-btn {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.9rem 1.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
}

.contact-card-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  text-decoration: none;
  transform: translateY(-2px);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0b101d;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   Video Modal
   ========================================================================== */
.video-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.video-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.video-modal-content {
  position: relative;
  width: 90%;
  max-width: 860px;
  background: #0b101d;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
}

.video-modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: rgba(7, 10, 18, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.video-modal-close:hover {
  background: #ffffff;
  color: #070a12;
}

.video-modal-iframe-wrap {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
}

.video-modal-iframe-wrap iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.video-modal-footer {
  padding: 1.25rem 1.5rem;
  background: #090e1a;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.video-modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
}

.video-modal-sub {
  font-size: 0.85rem;
  color: var(--accent-cyan);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4rem 0 2.5rem;
  background: #04070e;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  max-width: 420px;
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.95rem;
  color: #ffffff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-badges-wrapper, .hero-cta-group, .hero-socials {
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .btn-nav-cv {
    display: none;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .programs-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .cv-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cv-toggle-group {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   Focus Domains Grid & Architectural Pillars
   ========================================================================== */
.leadership-domains-grid,
.executive-domains-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.15rem;
  margin: 2rem 0 2.5rem;
}

@media (max-width: 1080px) {
  .leadership-domains-grid,
  .executive-domains-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  .leadership-domains-grid,
  .executive-domains-grid {
    grid-template-columns: 1fr;
  }
}

.leadership-domain-card,
.executive-domain-card {
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.35rem;
  background: rgba(14, 21, 37, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.leadership-domain-card::before,
.executive-domain-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(56, 189, 248, 0.6), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.leadership-domain-card:hover,
.executive-domain-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(22, 33, 56, 0.85);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.4), 0 0 20px rgba(56, 189, 248, 0.12);
}

.leadership-domain-card:hover::before,
.executive-domain-card:hover::before {
  opacity: 1;
}

.domain-index {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-blue);
  letter-spacing: 0.12em;
  margin-bottom: 0.55rem;
  font-family: var(--font-mono);
}

.domain-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.pillars-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.35rem;
  margin-top: 0;
}

.pillar-card {
  background: rgba(14, 21, 37, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.6rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.pillar-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(20, 30, 52, 0.75);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.pillar-num-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.pillar-card:hover .pillar-num-badge {
  color: var(--accent-blue);
}

.pillar-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.pillar-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin: 0;
}



/* ==========================================================================
   Print Stylesheet (For 1-click Clean PDF CV / Resume Export)
   ========================================================================== */
@media print {
  body {
    background: #ffffff !important;
    color: #111827 !important;
    font-size: 11pt !important;
  }
  
  #quantum-canvas,
  .navbar,
  .site-footer,
  .hero-visual,
  .hero-cta-group,
  .hero-socials,
  .cv-controls,
  .media-filter-bar,
  .video-modal-backdrop,
  .toast-notice,
  .pub-toolbar,
  .pub-footer-cta,
  .contact-wrapper {
    display: none !important;
  }
  
  .container {
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  
  .section-padding {
    padding: 1rem 0 !important;
  }
  
  .section-title, .hero-title, .cv-role-title, .program-title {
    color: #111827 !important;
    background: none !important;
    -webkit-text-fill-color: initial !important;
  }
  
  .cv-card, .program-card, .pub-card {
    background: #ffffff !important;
    border: 1px solid #e5e7eb !important;
    box-shadow: none !important;
    page-break-inside: avoid;
    margin-bottom: 1rem !important;
    color: #111827 !important;
  }
  
  .cv-role-org {
    color: #0284c7 !important;
  }
  
  .cv-bullets li {
    color: #374151 !important;
  }
  
  .timeline::before {
    background: #cbd5e1 !important;
  }
  
  .timeline-dot {
    border-color: #0284c7 !important;
  }
  
  a {
    color: #0284c7 !important;
    text-decoration: underline !important;
  }
}