/* ==========================================================================
   Ayan Mulani - Advanced Personal Developer Portfolio Stylesheet
   Theme: High-Tech Dark / Refined Light Mode (Vercel + Linear Inspired)
   Pure CSS3 + Bootstrap 5 Layout Utilities
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Theme Variables & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Dark Theme (Default) */
  --bg-primary: #070a11;
  --bg-secondary: #0c111d;
  --bg-surface: #111726;
  --bg-card: rgba(14, 20, 34, 0.75);
  --bg-card-hover: rgba(22, 31, 52, 0.9);
  --bg-glass: rgba(12, 17, 29, 0.8);
  --bg-input: rgba(10, 15, 26, 0.95);
  --bg-terminal: #05070d;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --border-hover: rgba(99, 102, 241, 0.5);
  --border-glow: rgba(139, 92, 246, 0.35);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #818cf8;

  --accent-blue: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --gradient-accent: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
  --gradient-subtle: linear-gradient(180deg, rgba(99, 102, 241, 0.08) 0%, transparent 100%);

  --shadow-sm: 0 4px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 12px 24px -4px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, 0.65);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.22);

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --grid-line: rgba(255, 255, 255, 0.035);
}

/* Light Theme */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.88);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --bg-glass: rgba(255, 255, 255, 0.85);
  --bg-input: #ffffff;
  --bg-terminal: #0f172a;

  --border-color: rgba(15, 23, 42, 0.08);
  --border-light: rgba(15, 23, 42, 0.15);
  --border-hover: rgba(99, 102, 241, 0.5);
  --border-glow: rgba(139, 92, 246, 0.25);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --text-accent: #4f46e5;

  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 35px -8px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.12);

  --grid-line: rgba(15, 23, 42, 0.035);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 85px;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Scroll Progress Bar at Top (GPU Accelerated scaleX) */
.scroll-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 10001;
  transform-origin: 0 50%;
  transform: scaleX(0);
  will-change: transform;
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.6);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.25);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.5);
}

::selection {
  background: rgba(99, 102, 241, 0.35);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   3. Loading Screen
   -------------------------------------------------------------------------- */
#loadingScreen {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

#loadingScreen.fade-out {
  opacity: 0;
  visibility: hidden;
}

.loader-brand {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.loader-sub {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.loader-bar-wrap {
  width: 140px;
  height: 3px;
  background: var(--border-color);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loader-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--gradient-primary);
  animation: loadProgress 0.4s ease forwards;
}

@keyframes loadProgress {
  to { width: 100%; }
}

/* --------------------------------------------------------------------------
   4. Lightweight Static Background
   -------------------------------------------------------------------------- */
.bg-ambient-grid {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: -2;
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   5. Typography & Utilities
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.025em;
}

p {
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--accent-blue);
}

.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.text-mono {
  font-family: var(--font-mono);
}

.section-padding {
  padding: 110px 0;
  position: relative;
}

@media (max-width: 768px) {
  .section-padding {
    padding: 75px 0;
  }
}

.section-header {
  margin-bottom: 55px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-full);
  color: var(--text-accent);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 14px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.08rem;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.65;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal), background var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
  pointer-events: none;
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateY(-4px);
}

/* Buttons */
.btn-primary-custom {
  background: var(--gradient-primary);
  color: #ffffff !important;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  border: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 4px 18px rgba(99, 102, 241, 0.35);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  cursor: pointer;
}

.btn-primary-custom:hover {
  box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
  transform: translateY(-2px);
}

.btn-secondary-custom {
  background: var(--bg-card);
  color: var(--text-primary) !important;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(10px);
  transition: transform var(--transition-normal), border-color var(--transition-normal), background var(--transition-normal);
  cursor: pointer;
}

.btn-secondary-custom:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-2px);
  color: var(--text-primary) !important;
}

.btn-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 1.15rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.btn-icon:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--border-hover);
  color: var(--text-primary);
  transform: translateY(-3px);
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.3);
}

/* --------------------------------------------------------------------------
   6. Navbar
   -------------------------------------------------------------------------- */
.navbar-custom {
  padding: 18px 0;
  background: transparent;
  transition: padding var(--transition-normal), background var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  z-index: 1000;
}

.navbar-custom.scrolled {
  padding: 12px 0;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: 0.05em;
  color: var(--text-primary) !important;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-dot {
  width: 9px;
  height: 9px;
  background: var(--accent-gradient);
  border-radius: var(--radius-full);
}

/* ==========================================================================
   21. Interactive Screenshot Gallery & Lightbox
   ========================================================================== */
.gallery-viewer-wrapper {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.gallery-main-display {
  position: relative;
  width: 100%;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
  max-height: 520px;
}

.gallery-main-img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
  display: block;
  transition: opacity 0.3s ease;
}

.gallery-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  z-index: 10;
  backdrop-filter: blur(8px);
  transition: all var(--transition-fast);
}

.gallery-nav-btn:hover {
  background: var(--accent-primary);
  color: #fff;
  border-color: var(--accent-primary);
  transform: translateY(-50%) scale(1.08);
}

.gallery-nav-prev { left: 16px; }
.gallery-nav-next { right: 16px; }

.gallery-caption-bar {
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gallery-caption-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.gallery-caption-desc {
  font-size: 0.84rem;
  color: var(--text-secondary);
  margin: 0;
}

.gallery-thumbnails-strip {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  background: var(--bg-primary);
  border-top: 1px solid var(--border-glass);
  scrollbar-width: thin;
}

.gallery-thumb-btn {
  flex: 0 0 110px;
  height: 70px;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid transparent;
  background: var(--bg-card);
  padding: 0;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.gallery-thumb-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumb-btn span {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  font-size: 0.65rem;
  color: #fff;
  padding: 2px 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
}

.gallery-thumb-btn.active {
  border-color: var(--accent-primary);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

.gallery-thumb-btn:hover {
  border-color: var(--accent-light);
  transform: translateY(-2px);
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 8px 12px !important;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary) !important;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  box-shadow: 0 0 8px rgba(139, 92, 246, 0.6);
  transition: width var(--transition-fast);
  transform: translateX(-50%);
  border-radius: 2px;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 16px;
}

.btn-nav-action {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-nav-action:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.kbd-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-muted);
}

.navbar-toggler {
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
}

.navbar-toggler:focus {
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.4);
}

@media (max-width: 991px) {
  .navbar-collapse {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-top: 15px;
    box-shadow: var(--shadow-lg);
  }
  .nav-actions {
    margin-left: 0;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border-color);
    justify-content: space-between;
  }
}

/* --------------------------------------------------------------------------
   7. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 94vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: 130px;
  padding-bottom: 60px;
}

.hero-subtitle-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--text-accent);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.hero-title {
  font-size: 4.2rem;
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 18px;
}

.hero-role {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.typing-container {
  font-size: 1.18rem;
  font-weight: 500;
  color: var(--accent-blue);
  min-height: 34px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
}

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1.25em;
  background-color: var(--accent-blue);
  margin-left: 4px;
  animation: blink 0.8s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-description {
  font-size: 1.12rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 34px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.social-links-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Profile Photo Frame & Floating Badges */
.profile-card-wrapper {
  position: relative;
  display: inline-block;
  width: 100%;
  max-width: 380px;
  margin: 20px auto 30px auto;
}

.profile-card {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 12px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-normal), background var(--transition-normal);
  overflow: hidden;
}

.profile-card:hover {
  border-color: rgba(99, 102, 241, 0.6);
}

.profile-img-container {
  position: relative;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-secondary);
  aspect-ratio: 1 / 1.15;
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 16px;
  display: block;
}

/* 1. Education Badge (Top Left) */
.profile-academic-badge {
  position: absolute;
  top: -14px;
  left: -10px;
  z-index: 3;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  box-shadow: var(--shadow-md);
  text-align: left;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.academic-badge-icon {
  font-size: 1.3rem;
  color: var(--text-accent);
  flex-shrink: 0;
}

.academic-badge-title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 2px;
}

.academic-badge-sub {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  line-height: 1.2;
}

/* 2. Status Widget (Bottom Right) */
.profile-status-widget {
  position: absolute;
  bottom: -14px;
  right: -10px;
  z-index: 3;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  box-shadow: var(--shadow-md);
  min-width: 195px;
  max-width: 230px;
  text-align: left;
  transition: background var(--transition-normal), border-color var(--transition-normal);
}

.status-indicator-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #10b981;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.status-dot-pulse {
  width: 7px;
  height: 7px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
}

.status-detail-line {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

.status-detail-line strong {
  color: var(--text-primary);
  font-weight: 600;
}

@media (max-width: 576px) {
  .profile-card-wrapper {
    margin: 15px auto 25px auto;
    max-width: 310px;
  }
  .profile-academic-badge {
    top: -10px;
    left: -4px;
    padding: 7px 11px;
  }
  .profile-status-widget {
    bottom: -10px;
    right: -4px;
    padding: 7px 11px;
    min-width: 180px;
  }
}

/* Scroll Indicator */
.scroll-indicator-wrap {
  margin-top: auto;
  padding-top: 30px;
  display: flex;
  justify-content: center;
}

.scroll-indicator-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.scroll-indicator-btn:hover {
  color: var(--text-accent);
}

.scroll-arrow-icon {
  font-size: 1.1rem;
}

@media (max-width: 991px) {
  .hero-section {
    text-align: center;
    padding-top: 110px;
  }
  .hero-title {
    font-size: 3.2rem;
  }
  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .typing-container {
    justify-content: center;
  }
  .profile-card-wrapper {
    margin-top: 50px;
    max-width: 320px;
  }
  .profile-img {
    height: 360px;
  }
  .profile-academic-badge {
    left: 10px;
    top: -20px;
  }
  .profile-status-widget {
    right: 10px;
    bottom: -25px;
  }
}

/* --------------------------------------------------------------------------
   8. About Section
   -------------------------------------------------------------------------- */
.about-statement {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.about-statement span {
  display: block;
}

.about-bio-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.about-card {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-card-number {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 800;
  color: rgba(99, 102, 241, 0.2);
  margin-bottom: 12px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.about-card:hover .about-card-number {
  color: var(--accent-indigo);
  transform: translateX(4px);
}

.about-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.about-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. NOW Section (Currently Learning / Building / Improving)
   -------------------------------------------------------------------------- */
.now-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px;
  height: 100%;
  transition: var(--transition-normal);
}

.now-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.now-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.now-card-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-accent);
  font-size: 1.2rem;
}

.now-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0;
  color: var(--text-primary);
}

.now-items-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.now-items-list li i {
  color: var(--accent-cyan);
  font-size: 0.85rem;
}

/* --------------------------------------------------------------------------
   10. Skills Section (Filter Tabs & Interactive Badges)
   -------------------------------------------------------------------------- */
.skills-filter-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 40px;
}

.skill-filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.skill-filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

.skill-filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.skill-item-col {
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.skill-item-col.hidden {
  display: none;
}

.interactive-skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 22px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.interactive-skill-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 20px rgba(99, 102, 241, 0.15);
}

.skill-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.skill-icon-wrap {
  width: 42px;
  height: 42px;
  background: rgba(99, 102, 241, 0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-accent);
  font-size: 1.35rem;
  transition: transform var(--transition-fast);
}

.interactive-skill-card:hover .skill-icon-wrap {
  transform: scale(1.1);
  color: var(--accent-blue);
}

.skill-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0;
}

.skill-category-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.skill-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   11. What I Like Building Section
   -------------------------------------------------------------------------- */
.build-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

.build-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md), 0 0 25px rgba(99, 102, 241, 0.15);
}

.build-card-num {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(99, 102, 241, 0.2);
  margin-bottom: 14px;
  transition: var(--transition-fast);
}

.build-card:hover .build-card-num {
  color: var(--accent-indigo);
}

.build-card-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.build-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   11b. Experience Section (Internship Card)
   -------------------------------------------------------------------------- */
.experience-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 36px 40px;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.experience-card:hover {
  border-color: var(--accent-indigo);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(99, 102, 241, 0.18);
}

.experience-number {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(99, 102, 241, 0.2);
  margin-bottom: 12px;
  line-height: 1;
  transition: color var(--transition-fast);
}

.experience-card:hover .experience-number {
  color: var(--accent-indigo);
}

.experience-role-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.experience-company-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.experience-company-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-accent);
}

.experience-duration-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.experience-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   12. Projects Section (Filters, Case Studies & Gallery)
   -------------------------------------------------------------------------- */
.projects-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 45px;
}

.project-filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 22px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--transition-fast);
}

.project-filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

.project-filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.project-card {
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  margin-bottom: 45px;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  transition: transform 0.25s ease, border-color 0.25s ease;
  contain: content;
}

.project-card.project-hidden {
  display: none;
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.project-img-wrapper {
  position: relative;
  overflow: hidden;
  height: 100%;
  aspect-ratio: 16 / 10;
  background: #0d121f;
  cursor: pointer;
  contain: paint;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.3s ease;
}

.project-card:hover .project-img {
  transform: scale(1.02);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(13, 18, 31, 0.85) 100%);
  pointer-events: none;
}

.project-content {
  padding: 40px 34px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
}

.project-top-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.project-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  background: rgba(6, 182, 212, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(6, 182, 212, 0.25);
}

.project-title {
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.project-description {
  font-size: 1.02rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.65;
}

.project-tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.tech-pill {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

[data-theme="light"] .tech-pill {
  background: rgba(15, 23, 42, 0.04);
}

.project-features-list {
  list-style: none;
  padding: 0;
  margin-bottom: 28px;
}

.project-features-list li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.project-features-list li i {
  color: var(--accent-emerald);
  font-size: 0.95rem;
  margin-top: 3px;
  flex-shrink: 0;
}

.project-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (max-width: 768px) {
  .project-content {
    padding: 26px 20px;
  }
  .project-title {
    font-size: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   13. Journey & Learning Roadmap Section
   -------------------------------------------------------------------------- */
.timeline-wrapper {
  position: relative;
  max-width: 880px;
  margin: 0 auto 60px auto;
  padding: 20px 0;
}

.timeline-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 2px;
  background: linear-gradient(180deg, #6366f1 0%, #38bdf8 50%, rgba(99, 102, 241, 0.1) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 45px;
  padding-left: 68px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-marker {
  position: absolute;
  left: 13px;
  top: 8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-indigo);
  box-shadow: 0 0 14px var(--accent-indigo);
  z-index: 2;
  transition: transform var(--transition-fast), background var(--transition-fast);
}

.timeline-item:hover .timeline-marker {
  background: var(--accent-indigo);
  transform: scale(1.2);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: var(--transition-normal);
}

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

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}

.timeline-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.timeline-subtitle {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-accent);
  margin-bottom: 12px;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0;
  line-height: 1.6;
}

/* Learning Roadmap */
.roadmap-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 40px 30px;
  max-width: 960px;
  margin: 0 auto;
}

.roadmap-header {
  text-align: center;
  margin-bottom: 35px;
}

.roadmap-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.roadmap-node {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-align: center;
  min-width: 145px;
  transition: var(--transition-normal);
}

.roadmap-node:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.2);
}

.roadmap-node.active-node {
  border-color: var(--accent-indigo);
  background: rgba(99, 102, 241, 0.12);
}

.roadmap-step {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-cyan);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.roadmap-tech {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
}

.roadmap-arrow {
  color: var(--text-muted);
  font-size: 1.2rem;
}

@media (max-width: 768px) {
  .roadmap-grid {
    flex-direction: column;
  }
  .roadmap-arrow {
    transform: rotate(90deg);
  }
}

/* --------------------------------------------------------------------------
   14. Beyond Code Section
   -------------------------------------------------------------------------- */
.beyond-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.beyond-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
}

.beyond-text {
  font-size: 1.12rem;
  line-height: 1.85;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.beyond-text strong {
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   15. GitHub & Open Source Section
   -------------------------------------------------------------------------- */
.github-stats-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.github-stat-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.github-stat-pill i {
  color: var(--text-accent);
}

.github-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
}

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

.github-repo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.github-repo-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.github-repo-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  line-height: 1.55;
}

.github-repo-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.github-lang-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
}

.lang-python { background: #3572A5; }
.lang-javascript { background: #f1e05a; }
.lang-c { background: #555555; }

/* --------------------------------------------------------------------------
   16. Contact Section
   -------------------------------------------------------------------------- */
.contact-headline {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.contact-subtext {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 30px;
}

.contact-info-card {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  transition: var(--transition-normal);
}

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

.contact-info-icon {
  width: 46px;
  height: 46px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-accent);
  font-size: 1.35rem;
  flex-shrink: 0;
}

.contact-info-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.contact-info-value {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0;
  word-break: break-word;
}

/* Contact Form */
.form-group-custom {
  margin-bottom: 20px;
}

.form-label-custom {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: block;
}

.form-control-custom {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control-custom:focus {
  border-color: var(--accent-indigo);
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.form-control-custom::placeholder {
  color: var(--text-muted);
}

.form-feedback {
  font-size: 0.82rem;
  margin-top: 6px;
  display: none;
}

.form-control-custom.is-invalid {
  border-color: #ef4444;
}

.form-control-custom.is-invalid + .form-feedback {
  display: block;
  color: #f87171;
}

.form-control-custom.is-valid {
  border-color: #22c55e;
}

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */
.footer-custom {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px 0;
  position: relative;
}

.footer-brand {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.footer-role {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 0;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-divider {
  height: 1px;
  background: var(--border-color);
  margin: 30px 0;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   18. Floating Action Buttons
   -------------------------------------------------------------------------- */
.floating-actions-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 999;
}

.btn-floating {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: var(--transition-normal);
}

.btn-floating:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
}

.btn-back-to-top {
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
}

.btn-back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   19. Command Palette Modal & Terminal Easter Egg
   -------------------------------------------------------------------------- */
.command-palette-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.command-palette-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.command-palette-box {
  width: 90%;
  max-width: 620px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(99, 102, 241, 0.2);
  overflow: hidden;
  transform: scale(0.96) translateY(-10px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.command-palette-backdrop.show .command-palette-box {
  transform: scale(1) translateY(0);
}

.palette-tabs-nav {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.15);
}

.palette-tab-btn {
  padding: 10px 20px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}

.palette-tab-btn.active {
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent-indigo);
  background: rgba(99, 102, 241, 0.08);
}

.command-search-header {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  gap: 12px;
}

.command-search-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-family: var(--font-main);
}

.command-search-input::placeholder {
  color: var(--text-muted);
}

.command-list {
  max-height: 320px;
  overflow-y: auto;
  padding: 10px 8px;
  list-style: none;
  margin: 0;
}

.command-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.command-item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.command-item i {
  color: var(--text-accent);
  font-size: 1.1rem;
}

.command-item:hover,
.command-item.selected {
  background: rgba(99, 102, 241, 0.15);
  color: var(--text-primary);
}

/* Terminal Easter Egg View */
.terminal-tab-view {
  display: none;
  background: var(--bg-terminal);
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.terminal-tab-view.active {
  display: block;
}

.terminal-screen {
  max-height: 300px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}

.terminal-line {
  color: #cbd5e1;
  line-height: 1.5;
}

.terminal-prompt {
  color: #38bdf8;
  font-weight: 700;
}

.terminal-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--border-color);
  padding-top: 10px;
}

.terminal-input {
  background: transparent;
  border: none;
  outline: none;
  color: #4ade80;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  width: 100%;
}

.command-footer {
  padding: 10px 20px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.1);
}

/* --------------------------------------------------------------------------
   20. Modals & Case Studies
   -------------------------------------------------------------------------- */
.modal-content-custom {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.modal-header-custom {
  border-bottom: 1px solid var(--border-color);
  padding: 22px 28px;
}

.modal-body-custom {
  padding: 28px;
}

.btn-close-custom {
  filter: invert(1) grayscale(100%) brightness(200%);
}

[data-theme="light"] .btn-close-custom {
  filter: none;
}

.case-study-section {
  margin-bottom: 24px;
}

.case-study-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.case-study-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   21. Scroll Animations & Accessibility
   -------------------------------------------------------------------------- */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  will-change: opacity, transform;
}

.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.05s; }
.delay-2 { transition-delay: 0.1s; }
.delay-3 { transition-delay: 0.15s; }
.delay-4 { transition-delay: 0.2s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}