/* ==========================================================================
   Serdar Balcı, MD - Interactive Executive Portfolio Stylesheet
   Modern Glassmorphism, Fluid Typography, Dynamic Light/Dark Themes
   ========================================================================== */

:root {
  /* Color Tokens - Light Theme */
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.82);
  --bg-glass-card: rgba(255, 255, 255, 0.9);
  --border-color: rgba(226, 232, 240, 0.85);
  --border-subtle: rgba(203, 213, 225, 0.5);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --accent-primary: #2563eb;
  --accent-primary-hover: #1d4ed8;
  --accent-gradient: linear-gradient(135deg, #2563eb 0%, #4f46e5 100%);
  --accent-glow: rgba(37, 99, 235, 0.25);
  --accent-subtle: #eff6ff;
  --accent-teal: #0d9488;
  --accent-amber: #d97706;

  --card-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.06), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
  --card-shadow-hover: 0 20px 35px -5px rgba(37, 99, 235, 0.12), 0 8px 10px -3px rgba(15, 23, 42, 0.05);

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 20px;
  --border-radius-full: 9999px;
}

[data-theme="dark"] {
  /* Color Tokens - Dark Theme */
  --bg-primary: #090d16;
  --bg-secondary: #111827;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --bg-glass-card: rgba(22, 30, 49, 0.85);
  --border-color: rgba(51, 65, 85, 0.6);
  --border-subtle: rgba(51, 65, 85, 0.3);

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #0f172a;

  --accent-primary: #3b82f6;
  --accent-primary-hover: #60a5fa;
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  --accent-glow: rgba(59, 130, 246, 0.35);
  --accent-subtle: rgba(59, 130, 246, 0.12);
  --accent-teal: #14b8a6;
  --accent-amber: #f59e0b;

  --card-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
  --card-shadow-hover: 0 20px 40px -5px rgba(59, 130, 246, 0.2), 0 8px 10px -3px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ==========================================================================
   CV Format Switcher Bar (Top Global Banner)
   ========================================================================== */
.cv-switcher-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 16px;
  font-size: 0.85rem;
  position: relative;
  z-index: 1000;
}

.switcher-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.switcher-label {
  color: var(--text-muted);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.switcher-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--border-radius-full);
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.switcher-btn:hover {
  color: var(--accent-primary);
  background: var(--bg-primary);
}

.switcher-btn.active {
  background: var(--accent-primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.switcher-btn.legacy-link {
  color: var(--text-muted);
  border: 1px dashed var(--border-subtle);
}

.switcher-btn.legacy-link:hover {
  color: var(--text-primary);
}

.theme-control .theme-btn {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.theme-control .theme-btn:hover {
  transform: rotate(20deg) scale(1.08);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* ==========================================================================
   Sticky Main Header
   ========================================================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-avatar-mini {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.brand-text {
  font-size: 1.05rem;
  font-family: var(--font-display);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.desktop-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.desktop-nav a:hover {
  color: var(--accent-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ==========================================================================
   Buttons & Badges
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius-full);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: all var(--transition-fast);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.84rem;
}

.btn-xs {
  padding: 4px 10px;
  font-size: 0.78rem;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  filter: brightness(1.05);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  transform: translateY(-2px);
}

.glass-panel {
  background: var(--bg-glass-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.glass-panel:hover {
  box-shadow: var(--card-shadow-hover);
  border-color: var(--border-subtle);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  padding: 60px 24px 40px;
  overflow: hidden;
}

.hero-bg-shapes {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.35;
}

.shape-1 {
  width: 450px;
  height: 450px;
  background: linear-gradient(135deg, #2563eb, #6366f1);
  top: -100px;
  right: -50px;
}

.shape-2 {
  width: 350px;
  height: 350px;
  background: linear-gradient(135deg, #0d9488, #3b82f6);
  bottom: -50px;
  left: -80px;
}

.hero-container {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-avatar-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.avatar-ring {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  padding: 6px;
  background: var(--accent-gradient);
  box-shadow: 0 12px 30px var(--accent-glow);
  transition: transform var(--transition-smooth);
}

.avatar-ring:hover {
  transform: scale(1.03);
}

.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background-color: var(--bg-secondary);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--bg-glass-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.tag-pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--border-radius-full);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tag-pill.tag-accent {
  background: var(--accent-subtle);
  color: var(--accent-primary);
  border-color: rgba(37, 99, 235, 0.3);
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.5;
}

.highlight-link {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1.5px solid transparent;
  transition: border-color var(--transition-fast);
}

.highlight-link:hover {
  border-color: var(--accent-primary);
}

.hero-bio {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 860px;
}

.scholarly-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.scholar-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.scholar-badge:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  background: var(--bg-primary);
  transform: translateY(-2px);
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Dynamic Stats Section
   ========================================================================== */
.stats-section {
  padding: 20px 24px 60px;
}

.stats-grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.stat-card {
  background: var(--bg-glass-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 24px 20px;
  text-align: center;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition-smooth), border-color var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
}

.stat-icon {
  font-size: 1.6rem;
  color: var(--accent-primary);
  margin-bottom: 10px;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Generic Section Layout
   ========================================================================== */
.section-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 60px 24px;
}

.section-header {
  margin-bottom: 40px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-primary);
  margin-bottom: 6px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-divider {
  width: 50px;
  height: 4px;
  background: var(--accent-gradient);
  border-radius: 2px;
  margin-top: 12px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-top: 10px;
  max-width: 750px;
}

/* ==========================================================================
   About Grid
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.about-card {
  padding: 32px;
}

.about-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.about-card p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
}

.motto-quote {
  font-style: italic;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent-primary);
  border-left: 4px solid var(--accent-primary);
  padding-left: 16px;
  margin: 16px 0 20px;
}

.quote-author {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-style: normal;
  margin-top: 4px;
}

.motto-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.motto-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.text-accent { color: var(--accent-primary); }
.text-success { color: #10b981; }

/* ==========================================================================
   Timeline Section
   ========================================================================== */
.timeline-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.filter-pill {
  padding: 8px 18px;
  border-radius: var(--border-radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  background: var(--bg-primary);
  color: var(--accent-primary);
}

.filter-pill.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
  box-shadow: 0 3px 10px var(--accent-glow);
}

.timeline-wrapper {
  position: relative;
  padding-left: 32px;
}

.timeline-wrapper::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 11px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-primary) 0%, var(--border-color) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 36px;
  transition: all var(--transition-smooth);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 16px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-primary);
  box-shadow: 0 0 0 3px var(--bg-primary);
  z-index: 2;
}

.timeline-card {
  padding: 24px 28px;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.timeline-role {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.timeline-period {
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--border-radius-full);
  background: var(--accent-subtle);
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.timeline-institution {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent-teal);
  margin-bottom: 10px;
}

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

/* ==========================================================================
   Education Grid
   ========================================================================== */
.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.edu-card {
  padding: 24px;
}

.edu-period {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: var(--font-mono);
  margin-bottom: 6px;
}

.edu-degree {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.edu-inst {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Competencies Grid
   ========================================================================== */
.competencies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.competency-card {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}

.competency-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.competency-icon {
  font-size: 1.8rem;
  color: var(--accent-primary);
  background: var(--accent-subtle);
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.competency-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.competency-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

.skills-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.skill-tag {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

/* ==========================================================================
   Software & Open Source Section
   ========================================================================== */
.software-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.software-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.sw-top {
  margin-bottom: 16px;
}

.sw-badge-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.sw-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: var(--accent-subtle);
  padding: 3px 8px;
  border-radius: var(--border-radius-sm);
}

.sw-status {
  font-size: 0.75rem;
  color: var(--accent-teal);
  font-weight: 600;
}

.sw-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.sw-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.sw-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

/* ==========================================================================
   Publication Explorer Controls & Cards
   ========================================================================== */
.pub-controls {
  padding: 24px;
  margin-bottom: 28px;
}

.pub-search-box {
  position: relative;
  margin-bottom: 18px;
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
}

#pubSearchInput {
  width: 100%;
  padding: 14px 44px 14px 46px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.98rem;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
  outline: none;
}

#pubSearchInput:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.clear-search-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1rem;
  cursor: pointer;
  padding: 4px;
}

.clear-search-btn:hover {
  color: var(--text-primary);
}

.pub-category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.chip {
  padding: 6px 14px;
  border-radius: var(--border-radius-full);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chip:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.chip.active {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
}

.pub-status-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: 14px;
}

.pub-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pub-card {
  padding: 24px 28px;
  position: relative;
}

.pub-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.pub-year-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--border-radius-sm);
  background: var(--accent-subtle);
  color: var(--accent-primary);
}

.pub-journal-badge {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-teal);
}

.pub-topic-pill {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: var(--border-radius-full);
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 600;
  border: 1px solid var(--border-subtle);
}

.pub-title {
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  margin-bottom: 10px;
}

.pub-authors {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 16px;
}

.author-highlight {
  font-weight: 700;
  color: var(--accent-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.pub-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

.pub-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.pub-link-btn:hover {
  background: var(--bg-primary);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.copy-citation-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  margin-left: auto;
  transition: all var(--transition-fast);
}

.copy-citation-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* ==========================================================================
   Societies Section
   ========================================================================== */
.societies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.society-card {
  padding: 22px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.society-badge-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent-subtle);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.society-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.society-role {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-banner {
  padding: 48px 36px;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-glass-card) 0%, var(--accent-subtle) 100%);
}

.contact-content {
  max-width: 720px;
  margin: 0 auto;
}

.contact-content h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  margin: 8px 0 16px;
  color: var(--text-primary);
}

.contact-content p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 28px;
  line-height: 1.7;
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* ==========================================================================
   Main Footer
   ========================================================================== */
.main-footer {
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
  padding: 32px 24px;
  margin-top: 40px;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-left p {
  color: var(--text-primary);
  font-size: 0.95rem;
}

.footer-sub {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: 4px;
}

.footer-sub a {
  color: var(--accent-primary);
  text-decoration: none;
}

.back-to-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--border-radius-full);
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.back-to-top-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #0f172a;
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--border-radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 9999;
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 32px;
  }
  .hero-tags, .scholarly-links, .hero-actions {
    justify-content: center;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .desktop-nav {
    display: none;
  }
}

@media (max-width: 600px) {
  .switcher-container {
    justify-content: center;
  }
  .switcher-label {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
  .section-container {
    padding: 40px 16px;
  }
  .pub-card {
    padding: 18px 16px;
  }
  .pub-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  .copy-citation-btn {
    margin-left: 0;
    margin-top: 6px;
  }
}

/* ==========================================================================
   Print Stylesheet (@media print)
   ========================================================================== */
@media print {
  .cv-switcher-bar,
  .main-header,
  .hero-bg-shapes,
  .pub-controls,
  .pub-actions,
  .main-footer,
  .toast-notification,
  .hero-actions,
  .timeline-filters {
    display: none !important;
  }

  body {
    background: #fff !important;
    color: #000 !important;
    font-size: 10pt;
    line-height: 1.4;
  }

  .glass-panel {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 !important;
  }

  .hero-container {
    display: flex !important;
    flex-direction: row !important;
    gap: 20px !important;
    margin-bottom: 20px !important;
  }

  .avatar-ring {
    width: 100px !important;
    height: 100px !important;
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }

  .hero-name {
    font-size: 18pt !important;
    color: #000 !important;
    -webkit-text-fill-color: initial !important;
  }

  .section-container {
    padding: 15px 0 !important;
    page-break-inside: avoid;
  }

  .pub-card {
    border-bottom: 1px solid #ddd !important;
    padding: 8px 0 !important;
    page-break-inside: avoid;
  }
}