/* ==========================================================================
   Abhishek Patnaik - Data Analyst & Web Developer Portfolio
   Theme: Minimalist & Aesthetic Editorial Style (Dual Light/Dark Cadence)
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;500;600;700&family=Instrument+Serif:ital@0;1&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

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

:root {
  /* Color Palette - Light Surfaces */
  --bg-light: #faf9f6;
  --bg-light-alt: #f3f1ec;
  --bg-card-light: #ffffff;
  --border-light: rgba(0, 0, 0, 0.08);
  --border-light-hover: rgba(0, 0, 0, 0.16);
  --text-dark-primary: #121316;
  --text-dark-secondary: #5c6068;
  --text-dark-muted: #8b909a;

  /* Color Palette - Dark Surfaces */
  --bg-dark: #0c0e12;
  --bg-dark-alt: #13161c;
  --bg-card-dark: #181c24;
  --border-dark: rgba(255, 255, 255, 0.08);
  --border-dark-hover: rgba(255, 255, 255, 0.18);
  --text-light-primary: #f5f6f8;
  --text-light-secondary: #a2a8b4;
  --text-light-muted: #676e7c;

  /* Accents & Signals */
  --accent-cyan: #00d2ff;
  --accent-blue: #3a86ff;
  --accent-teal: #10b981;
  --accent-gold: #f59e0b;
  --accent-warm: #d97706;
  --accent-amber: #e65f2b;

  /* Typography */
  --font-serif-display: 'Playfair Display', 'Instrument Serif', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-handwriting: 'Caveat', cursive, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions & Radii */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-elevated: 0 12px 36px rgba(0, 0, 0, 0.09);
  --shadow-dark: 0 14px 40px rgba(0, 0, 0, 0.5);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-dark-primary);
  background-color: var(--bg-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Selection */
::selection {
  background: rgba(58, 134, 255, 0.25);
  color: inherit;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0d0f14;
}
::-webkit-scrollbar-thumb {
  background: #2a303c;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #3e4758;
}

/* Typography Helpers */
h1, h2, h3, .serif-heading {
  font-family: var(--font-serif-display);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.handwritten {
  font-family: var(--font-handwriting);
  font-weight: 600;
  color: #a87948;
  display: inline-block;
  transform: rotate(-3deg);
  user-select: none;
}

.section-tag {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1rem;
}

.section-tag.light-theme {
  color: var(--text-dark-muted);
}

.section-tag.dark-theme {
  color: var(--text-light-muted);
}

.container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 2rem;
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.25rem;
  }
}

/* ==========================================================================
   Navigation Bar (Sticky, Minimal, Glassmorphism)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background-color var(--transition-smooth), padding var(--transition-smooth), backdrop-filter var(--transition-smooth);
}

.site-header.scrolled {
  padding: 0.75rem 0;
  background: rgba(12, 14, 18, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.brand-logo {
  text-decoration: none;
  font-family: var(--font-serif-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: transform var(--transition-fast);
}

.brand-logo:hover {
  transform: scale(1.05);
}

.brand-logo .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.8rem;
  list-style: none;
}

.nav-link {
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-light-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1.5px;
  background: #ffffff;
  transition: width var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-badge-pill {
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  background: rgba(0, 210, 255, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 210, 255, 0.3);
  margin-left: 4px;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.6rem 1.35rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  color: #111;
  background: #ffffff;
  border: 1px solid transparent;
  transition: all var(--transition-smooth);
}

.nav-cta-btn:hover {
  background: #f0f0f0;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.15);
}

.nav-cta-btn svg {
  transition: transform var(--transition-fast);
}

.nav-cta-btn:hover svg {
  transform: translateX(3px);
}

.mobile-toggle-btn {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  padding: 6px;
}

/* Mobile Nav Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: #11141a;
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.6);
  z-index: 1001;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-smooth);
}

.mobile-nav-drawer.open {
  right: 0;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-nav-links a {
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--text-light-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: color var(--transition-fast);
}

.mobile-nav-links a:hover, .mobile-nav-links a.active {
  color: #ffffff;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.mobile-nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   Section 01: HERO (Dark Cinematic Editorial)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding-top: 7.5rem;
  padding-bottom: 2.5rem;
  background-color: #0b0d11;
  background-image: linear-gradient(180deg, rgba(11, 13, 17, 0.75) 0%, rgba(11, 13, 17, 0.45) 40%, rgba(11, 13, 17, 0.96) 100%), url('../assets/images/hero_workspace.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #ffffff;
  overflow: hidden;
}

.hero-content {
  max-width: 860px;
  margin-top: auto;
  margin-bottom: auto;
  position: relative;
  z-index: 2;
}

.hero-breadcrumbs {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  margin-bottom: 1.75rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-title {
  font-size: clamp(3.2rem, 7.5vw, 6.2rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.75rem;
  color: #ffffff;
}

.hero-title em {
  font-style: italic;
  font-family: var(--font-serif-display);
}

.hero-bio {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.88);
  max-width: 720px;
  margin-bottom: 2.5rem;
}

.hero-bio strong {
  font-weight: 600;
  color: #ffffff;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #ffffff;
  color: #11141a;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all var(--transition-smooth);
}

.btn-primary:hover {
  background: #eaeaea;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: #ffffff;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-2px);
}

.hero-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.725rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
}

.hero-bottom-bar a {
  color: inherit;
  text-decoration: none;
}

.hero-floating-note {
  position: absolute;
  right: 7%;
  top: 32%;
  font-family: var(--font-handwriting);
  font-size: 1.65rem;
  color: #ffe1b5;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  transform: rotate(4deg);
  line-height: 1.25;
  pointer-events: none;
  max-width: 240px;
}

@media (max-width: 1024px) {
  .hero-floating-note {
    display: none;
  }
}

/* ==========================================================================
   Section 02: ABOUT (Light Minimal Editorial Canvas)
   ========================================================================== */
.about-section {
  background-color: var(--bg-light);
  color: var(--text-dark-primary);
  padding: 7rem 0 6rem 0;
  position: relative;
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4.5rem;
  align-items: center;
  margin-bottom: 5rem;
}

.about-heading {
  font-size: clamp(2.5rem, 4.5vw, 3.8rem);
  line-height: 1.12;
  margin-bottom: 1.75rem;
  color: var(--text-dark-primary);
}

.about-text {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-dark-secondary);
  margin-bottom: 1.5rem;
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0.5rem 1.1rem;
  background: var(--bg-card-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark-primary);
  margin-top: 1rem;
  box-shadow: var(--shadow-subtle);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  position: relative;
}

.pulse-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.4);
  animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.2); opacity: 0; }
}

.collage-wrapper {
  position: relative;
  min-height: 440px;
}

.collage-img {
  position: absolute;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-elevated);
  object-fit: cover;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.collage-img:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.16);
  z-index: 10;
}

.img-main {
  width: 60%;
  height: 280px;
  top: 0;
  left: 0;
  z-index: 2;
  border: 4px solid #ffffff;
}

.img-arch {
  width: 48%;
  height: 240px;
  top: 60px;
  right: 0;
  z-index: 1;
  border: 4px solid #ffffff;
}

.img-details {
  width: 50%;
  height: 200px;
  bottom: 0;
  left: 30%;
  z-index: 3;
  border: 4px solid #ffffff;
}

.collage-annotation {
  position: absolute;
  top: 15%;
  right: -5%;
  font-family: var(--font-handwriting);
  font-size: 1.8rem;
  color: #8c6239;
  line-height: 1.2;
  transform: rotate(8deg);
  pointer-events: none;
  z-index: 4;
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-num {
  font-family: var(--font-serif-display);
  font-size: 3.2rem;
  font-weight: 600;
  color: var(--text-dark-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-dark-secondary);
  letter-spacing: 0.02em;
}

.about-quote-footer {
  text-align: center;
  padding-top: 3.5rem;
}

.about-quote-footer span {
  font-family: var(--font-handwriting);
  font-size: 2.2rem;
  color: #705335;
  display: inline-block;
  transform: rotate(-1deg);
}

/* ==========================================================================
   Section 03: EXPERIENCE (Animated Obsidian Pipeline Canvas)
   ========================================================================== */
.experience-section {
  background-color: var(--bg-dark);
  color: var(--text-light-primary);
  padding: 7.5rem 0 6.5rem 0;
  position: relative;
  overflow: hidden;
}

.experience-bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(0, 210, 255, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  opacity: 0.6;
}

.experience-header-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: flex-end;
  margin-bottom: 4.5rem;
  position: relative;
  z-index: 2;
}

.experience-heading {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  line-height: 1.12;
  color: #ffffff;
}

.experience-blurb {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-light-secondary);
}

/* Animated Timeline Layout */
.experience-timeline-container {
  position: relative;
  max-width: 960px;
  margin-left: 2rem;
  position: relative;
  z-index: 2;
}

/* SVG Line connecting the pipeline */
.timeline-svg-beam {
  position: absolute;
  left: 0;
  top: 15px;
  width: 3px;
  height: calc(100% - 30px);
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(-50%);
}

.timeline-svg-progress {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, #00d2ff, #3a86ff, #10b981);
  box-shadow: 0 0 14px rgba(0, 210, 255, 0.7);
  transition: height 0.15s linear;
}

.timeline-card-wrapper {
  position: relative;
  padding-left: 3rem;
  margin-bottom: 3.5rem;
  transition: transform var(--transition-smooth);
}

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

.timeline-node-pin {
  position: absolute;
  left: 0;
  top: 8px;
  transform: translateX(-50%);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #11141b;
  border: 2px solid #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 3;
}

.timeline-node-pin::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
  transition: all var(--transition-fast);
}

.timeline-card-wrapper.active .timeline-node-pin,
.timeline-card-wrapper:hover .timeline-node-pin {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 16px rgba(0, 210, 255, 0.8);
}

.timeline-card-wrapper.active .timeline-node-pin::after,
.timeline-card-wrapper:hover .timeline-node-pin::after {
  background: var(--accent-cyan);
  transform: scale(1.3);
}

/* Experience Interactive Card */
.experience-interactive-card {
  background: #151821;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  transition: all var(--transition-smooth);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.timeline-card-wrapper:hover .experience-interactive-card,
.timeline-card-wrapper.active .experience-interactive-card {
  border-color: rgba(0, 210, 255, 0.3);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
  transform: translateX(4px);
}

.exp-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.exp-role-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.exp-period-badge {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-light-secondary);
}

.exp-company-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--accent-cyan);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

/* Live Impact Metric Popups */
.impact-metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.85rem;
  margin: 1.25rem 0;
}

.impact-metric-pill {
  background: #1a1e2a;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}

.impact-metric-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  font-family: var(--font-mono);
  display: flex;
  align-items: center;
  gap: 6px;
}

.impact-metric-val.green { color: #10b981; }
.impact-metric-val.blue { color: #00d2ff; }
.impact-metric-val.amber { color: #f59e0b; }

.impact-metric-desc {
  font-size: 0.75rem;
  color: var(--text-light-muted);
  margin-top: 2px;
}

/* Bullet list */
.exp-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 1rem;
}

.exp-bullet-list li {
  font-size: 0.92rem;
  color: var(--text-light-secondary);
  line-height: 1.6;
  position: relative;
  padding-left: 1.25rem;
}

.exp-bullet-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
}

.experience-note {
  position: absolute;
  right: 4%;
  bottom: 8%;
  font-family: var(--font-handwriting);
  font-size: 2rem;
  color: #e2c199;
  transform: rotate(6deg);
  line-height: 1.25;
  pointer-events: none;
  z-index: 2;
}

/* ==========================================================================
   Section 04: PROJECTS (Light Crisp Canvas with Real GitHub Repos)
   ========================================================================== */
.projects-section {
  background-color: var(--bg-card-light);
  color: var(--text-dark-primary);
  padding: 7rem 0 6rem 0;
  position: relative;
}

.projects-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.projects-heading {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  line-height: 1.1;
  color: var(--text-dark-primary);
}

.projects-subtext {
  font-size: 1.05rem;
  color: var(--text-dark-secondary);
  max-width: 650px;
  margin-top: 0.75rem;
}

.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
  padding-bottom: 0.5rem;
}

.filter-btn {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  color: var(--text-dark-secondary);
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background: #e9e8e3;
  color: var(--text-dark-primary);
}

.filter-btn.active {
  background: #121418;
  color: #ffffff;
  border-color: #121418;
}

/* Enhanced Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.project-card {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-elevated);
  border-color: var(--border-light-hover);
}

.project-img-box {
  position: relative;
  width: 100%;
  height: 230px;
  overflow: hidden;
  background: #0f1218;
}

.project-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-img-box img {
  transform: scale(1.06);
}

.project-badge-top {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(18, 20, 26, 0.85);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  gap: 5px;
}

.project-body {
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-num {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-dark-muted);
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-dark-primary);
  margin-bottom: 0.6rem;
  line-height: 1.25;
}

.project-summary {
  font-size: 0.9rem;
  color: var(--text-dark-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* Metric chip */
.project-metric-highlight {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #059669;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border-light);
  gap: 0.75rem;
  flex-wrap: wrap;
}

.project-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.tag-badge {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 3px 9px;
  background: var(--bg-card-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  color: var(--text-dark-secondary);
}

.project-card-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.project-action-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-dark-primary);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: var(--radius-full);
  background: var(--bg-card-light);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.project-action-link:hover {
  background: #11141a;
  color: #ffffff;
  border-color: #11141a;
}

.projects-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.view-all-projects-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark-primary);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: gap var(--transition-fast);
}

.view-all-projects-link:hover {
  gap: 14px;
}

.projects-annotation {
  font-family: var(--font-handwriting);
  font-size: 1.7rem;
  color: #8c6239;
  transform: rotate(-2deg);
}

/* ==========================================================================
   Section 05: FEATURED PROJECT SPOTLIGHT / MODAL (Deep Interactive View)
   ========================================================================== */
.project-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 14, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

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

.project-modal-container {
  background: #11141b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1180px;
  max-height: 90vh;
  overflow-y: auto;
  color: #ffffff;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-smooth);
}

.project-modal-backdrop.active .project-modal-container {
  transform: translateY(0) scale(1);
}

.modal-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-back-btn {
  background: none;
  border: none;
  color: var(--text-light-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-back-btn:hover {
  color: #ffffff;
}

.modal-counter {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-light-muted);
}

.modal-main-content {
  padding: 2.5rem 2rem;
}

.modal-title-area {
  margin-bottom: 2rem;
}

.modal-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.modal-subtitle {
  font-size: 1.1rem;
  color: var(--text-light-secondary);
  margin-bottom: 1.25rem;
}

.modal-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.modal-tag {
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  color: var(--text-light-primary);
}

.modal-split-view {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 2.5rem;
  align-items: flex-start;
}

.modal-dashboard-preview {
  background: #161922;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.kpi-card {
  background: #1c212d;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.kpi-label {
  font-size: 0.75rem;
  color: var(--text-light-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.kpi-value {
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.kpi-trend {
  font-size: 0.75rem;
  font-weight: 600;
  color: #10b981;
}

.chart-container {
  background: #1a1e29;
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.chart-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-light-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.interactive-chart-svg {
  width: 100%;
  height: 180px;
}

.chart-bar {
  fill: #3a86ff;
  transition: fill var(--transition-fast), height var(--transition-smooth);
  cursor: pointer;
}

.chart-bar:hover {
  fill: #00d2ff;
}

.dashboard-subgrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.subgrid-card {
  background: #1a1e29;
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.subgrid-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-light-muted);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.progress-item {
  margin-bottom: 0.6rem;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-light-secondary);
  margin-bottom: 3px;
}

.progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3a86ff, #00d2ff);
  border-radius: 3px;
}

.modal-overview-panel {
  background: #161922;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

.overview-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.overview-tab-btn {
  background: none;
  border: none;
  text-align: left;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.overview-tab-btn.active, .overview-tab-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.overview-tab-btn.active::before {
  content: '•';
  color: var(--accent-cyan);
}

.tab-detail-box {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-light-secondary);
  min-height: 120px;
  margin-bottom: 1.5rem;
}

.modal-handwritten-quote {
  font-family: var(--font-handwriting);
  font-size: 1.6rem;
  color: #ffe0b3;
  margin-bottom: 1.5rem;
  display: block;
}

.modal-cta-row {
  display: flex;
  gap: 1rem;
}

/* ==========================================================================
   Section 06: ENHANCED TOOLKIT (4 Architectural Pillars + Inspector)
   ========================================================================== */
.skills-section {
  background-color: var(--bg-light);
  color: var(--text-dark-primary);
  padding: 7rem 0 6rem 0;
  position: relative;
}

.skills-header-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: flex-end;
  margin-bottom: 3.5rem;
}

.skills-heading {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  line-height: 1.12;
  color: var(--text-dark-primary);
}

.skills-blurb {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-dark-secondary);
}

/* 4 Pillars Grid Layout */
.toolkit-pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.toolkit-pillar-card {
  background: var(--bg-card-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.pillar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.pillar-title-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pillar-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light);
}

.pillar-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-dark-primary);
}

.pillar-count {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-dark-muted);
}

.pillar-tools-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.tool-compact-chip {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tool-compact-chip:hover, .tool-compact-chip.active {
  background: #ffffff;
  border-color: #121418;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.tool-icon-tiny {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-light-alt);
  border-radius: var(--radius-xs);
  color: var(--accent-blue);
  border: 1px solid var(--border-light);
}

.tool-label-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark-primary);
  line-height: 1.2;
}

.tool-sub-note {
  font-size: 0.72rem;
  color: var(--text-dark-muted);
}

.pillar-subskills-row {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-light);
}

.subskill-tag {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  background: var(--bg-light-alt);
  color: var(--text-dark-secondary);
}

/* Tool In Action Inspector Drawer */
.tool-inspector-panel {
  background: #12151d;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 2rem;
  margin-bottom: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.inspector-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--accent-cyan);
  display: block;
  margin-bottom: 0.5rem;
}

.inspector-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #ffffff;
}

.inspector-desc {
  font-size: 0.95rem;
  color: var(--text-light-secondary);
  line-height: 1.6;
  max-width: 760px;
}

.inspector-code-pill {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: rgba(0, 210, 255, 0.12);
  color: var(--accent-cyan);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 210, 255, 0.25);
  white-space: nowrap;
}

.skills-footer-annotation {
  text-align: right;
  padding-top: 1rem;
}

.skills-footer-annotation span {
  font-family: var(--font-handwriting);
  font-size: 1.8rem;
  color: #8c6239;
  transform: rotate(2deg);
  display: inline-block;
}

/* ==========================================================================
   Section 07: BLOG & NOTES PREVIEW (Atmospheric Dark Canvas)
   ========================================================================== */
.blog-section {
  background-color: var(--bg-dark);
  color: var(--text-light-primary);
  padding: 7rem 0 6rem 0;
  position: relative;
}

.blog-header-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3.5rem;
  gap: 2rem;
  flex-wrap: wrap;
}

.blog-heading {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  line-height: 1.15;
  color: #ffffff;
}

.blog-subtext {
  font-size: 1.05rem;
  color: var(--text-light-secondary);
  max-width: 500px;
  margin-top: 0.6rem;
}

.blog-view-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.blog-view-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  transform: translateX(3px);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4.5rem;
}

.blog-card {
  background: var(--bg-card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-dark-hover);
  box-shadow: var(--shadow-dark);
}

.blog-img-box {
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.blog-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.blog-card:hover .blog-img-box img {
  transform: scale(1.05);
}

.blog-body {
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta-top {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-light-muted);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.blog-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 1rem;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-title {
  color: var(--accent-cyan);
}

.blog-read-time {
  font-size: 0.8rem;
  color: var(--text-light-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.blog-card-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.blog-read-action {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-cyan);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: transform var(--transition-fast);
}

.blog-card:hover .blog-read-action {
  transform: translateX(4px);
}


.blog-ambient-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 280px;
  display: flex;
  align-items: center;
  padding: 0 4rem;
  background-image: linear-gradient(90deg, rgba(12, 14, 18, 0.9) 0%, rgba(12, 14, 18, 0.4) 100%), url('../assets/images/contact_plant.jpg');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border-dark);
}

.blog-ambient-banner span {
  font-family: var(--font-handwriting);
  font-size: clamp(2rem, 4vw, 3.2rem);
  color: #ffe6bf;
  transform: rotate(-2deg);
  line-height: 1.25;
}

/* ==========================================================================
   Section 08: CONTACT & FOOTER (Warm Light Canvas)
   ========================================================================== */
.contact-section {
  background-color: var(--bg-card-light);
  color: var(--text-dark-primary);
  padding: 7rem 0 3rem 0;
  position: relative;
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4.5rem;
  margin-bottom: 5rem;
}

.contact-heading {
  font-size: clamp(2.4rem, 4.2vw, 3.8rem);
  line-height: 1.12;
  margin-bottom: 1rem;
  color: var(--text-dark-primary);
}

.contact-subtext {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-dark-secondary);
  margin-bottom: 2.5rem;
}

.contact-links-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.contact-link-row {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-dark-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.contact-link-row:hover {
  color: var(--accent-blue);
}

.contact-icon-pill {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark-primary);
}

.copy-pill-btn {
  background: var(--bg-light-alt);
  border: 1px solid var(--border-light);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  color: var(--text-dark-secondary);
  transition: all var(--transition-fast);
}

.copy-pill-btn:hover {
  background: #e2dfd7;
  color: var(--text-dark-primary);
}

.contact-form-box {
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  box-shadow: var(--shadow-subtle);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dark-secondary);
  margin-bottom: 0.5rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-sm);
  background: #ffffff;
  border: 1px solid var(--border-light);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-dark-primary);
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: #121418;
  box-shadow: 0 0 0 3px rgba(18, 20, 24, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.btn-submit {
  width: 100%;
  padding: 0.95rem;
  border-radius: var(--radius-full);
  background: #121418;
  color: #ffffff;
  border: none;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all var(--transition-smooth);
}

.btn-submit:hover {
  background: #252a34;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.contact-quote-stamp {
  font-family: var(--font-handwriting);
  font-size: 1.8rem;
  color: #8c6239;
  text-align: center;
  margin-top: 1.5rem;
  transform: rotate(-2deg);
}

.site-footer {
  padding-top: 3rem;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-dark-muted);
  flex-wrap: wrap;
  gap: 1rem;
}

.back-to-top-btn {
  background: none;
  border: none;
  color: var(--text-dark-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition-fast);
}

.back-to-top-btn:hover {
  color: var(--text-dark-primary);
}

/* ==========================================================================
   Dedicated Pages Styles: Case Studies & Blog
   ========================================================================== */
.page-hero {
  padding-top: 8rem;
  padding-bottom: 4rem;
  background: var(--bg-dark);
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.page-hero-sub {
  font-size: 1.15rem;
  color: var(--text-light-secondary);
  max-width: 720px;
  line-height: 1.7;
}

/* Case Studies Cards & Layout */
.case-study-item {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 4.5rem;
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.case-study-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.case-study-banner {
  height: 380px;
  position: relative;
  background: #11141b;
  overflow: hidden;
}

.case-study-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
}

.case-study-content {
  padding: 3.5rem;
}

.case-study-section-block {
  margin-bottom: 2.5rem;
}

.case-study-section-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.case-study-section-title span.mono-num {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-blue);
  background: rgba(58, 134, 255, 0.1);
  padding: 2px 8px;
  border-radius: var(--radius-xs);
}

.sql-code-box {
  background: #0d1117;
  color: #c9d1d9;
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  overflow-x: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin: 1rem 0;
}

.sql-keyword { color: #ff7b72; }
.sql-fn { color: #d2a8ff; }
.sql-str { color: #a5d6ff; }
.sql-comment { color: #8b949e; font-style: italic; }

/* Dedicated Blog Articles Layout */
.article-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  padding: 4rem 0 6rem 0;
}

.article-card-full {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.article-card-full:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
}

.article-body-full {
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

/* Toast Notice */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #11141a;
  color: #ffffff;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-smooth);
  z-index: 9999;
}

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

/* ==========================================================================
   Article Reader Modal (Distraction-Free Editorial Experience)
   ========================================================================== */
.blog-reader-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 14, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 2500;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.blog-reader-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.blog-reader-modal {
  background: var(--bg-card-light);
  color: var(--text-dark-primary);
  width: 100%;
  max-width: 900px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-light);
  overflow: hidden;
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-smooth);
}

.blog-reader-backdrop.active .blog-reader-modal {
  transform: translateY(0) scale(1);
}

.reader-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: #ffffff;
  border-bottom: 1px solid var(--border-light);
  z-index: 10;
}

.reader-header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-dark-muted);
}

.reader-cat-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(58, 134, 255, 0.1);
  color: var(--accent-blue);
}

.reader-header-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.reader-icon-btn {
  background: none;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-full);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-dark-secondary);
  transition: all var(--transition-fast);
}

.reader-icon-btn:hover {
  background: var(--bg-light-alt);
  color: var(--text-dark-primary);
  border-color: var(--border-light-hover);
}

.reader-scroll-content {
  overflow-y: auto;
  padding: 2.5rem 3.5rem 3.5rem 3.5rem;
  flex-grow: 1;
  background: #ffffff;
}

.reader-title-area {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1.75rem;
}

.reader-title {
  font-size: clamp(1.85rem, 3.5vw, 2.5rem);
  line-height: 1.2;
  margin-bottom: 0.85rem;
  color: var(--text-dark-primary);
}

.reader-lead {
  font-size: 1.12rem;
  color: var(--text-dark-secondary);
  line-height: 1.65;
  font-weight: 400;
}

.reader-featured-img {
  width: 100%;
  height: 320px;
  border-radius: var(--radius-md);
  object-fit: cover;
  margin-bottom: 2.25rem;
  border: 1px solid var(--border-light);
}

.reader-article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #2b2e35;
}

.reader-article-content p {
  margin-bottom: 1.4rem;
}

.reader-article-content h3 {
  font-family: var(--font-sans);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-dark-primary);
  margin: 2.25rem 0 0.85rem 0;
}

.reader-article-content ul, .reader-article-content ol {
  margin: 1rem 0 1.5rem 1.75rem;
}

.reader-article-content li {
  margin-bottom: 0.6rem;
}

.reader-takeaways-box {
  background: #f8fafc;
  border-left: 4px solid var(--accent-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.5rem 1.75rem;
  margin: 2.25rem 0;
  border-top: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.reader-takeaways-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-blue);
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.reader-takeaways-box ul {
  margin: 0 0 0 1.25rem;
}

.reader-takeaways-box li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
  color: #374151;
}

.reader-footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  margin-top: 2.5rem;
  border-top: 1px solid var(--border-light);
}

.reader-nav-prev, .reader-nav-next {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.reader-nav-prev:hover, .reader-nav-next:hover {
  background: rgba(58, 134, 255, 0.08);
}

.reader-author-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-light-alt);
  border-radius: var(--radius-md);
  margin-top: 2rem;
}

.reader-author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-dark);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-sans);
  font-size: 1rem;
}

.reader-author-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.reader-author-info p {
  font-size: 0.82rem;
  color: var(--text-dark-secondary);
  margin-bottom: 0 !important;
}

/* ==========================================================================
   Case Studies Showcase Grid & Expandable Controller Styles
   ========================================================================== */
.case-studies-showcase {
  margin-bottom: 3.5rem;
  transition: all var(--transition-smooth);
}

.case-studies-showcase.collapsed {
  display: none;
}

.case-showcase-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.case-filter-btn {
  background: #ffffff;
  border: 1px solid var(--border-light);
  color: var(--text-dark-secondary);
  padding: 0.5rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.case-filter-btn.active {
  background: var(--bg-dark);
  color: #ffffff;
  border-color: var(--bg-dark);
}

.case-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-showcase-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
}

.case-showcase-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-elevated);
  border-color: rgba(58, 134, 255, 0.3);
}

.case-showcase-banner {
  height: 220px;
  position: relative;
  background: #0d1117;
  overflow: hidden;
}

.case-showcase-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.case-showcase-card:hover .case-showcase-banner img {
  transform: scale(1.05);
}

.case-showcase-tag-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(12, 14, 18, 0.85);
  backdrop-filter: blur(8px);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  letter-spacing: 0.05em;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.case-showcase-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-showcase-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dark-muted);
  letter-spacing: 0.1em;
  margin-bottom: 0.5rem;
}

.case-showcase-title {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-dark-primary);
  margin-bottom: 0.75rem;
}

.case-showcase-desc {
  font-size: 0.92rem;
  color: var(--text-dark-secondary);
  line-height: 1.6;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.case-showcase-metric-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

/* Multi-Metric Cluster on Cards */
.showcase-metric-cluster {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 1.25rem;
}

.showcase-metric-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  width: fit-content;
}

.showcase-metric-tag.green {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
}

.showcase-metric-tag.blue {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

.showcase-metric-tag.amber {
  background: #fffbeb;
  border: 1px solid #fde68a;
  color: #92400e;
}

/* Metadata Matrix for Expanded Deep Dives */
.case-meta-matrix {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  background: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  margin: 2rem 0 2.75rem 0;
}

.case-meta-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.case-meta-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-dark-muted);
  font-weight: 600;
}

.case-meta-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-dark-primary);
}

.case-meta-sub {
  font-size: 0.8rem;
  color: var(--text-dark-secondary);
}

/* Architecture & Pipeline Flow Visuals */
.pipeline-flow-diagram {
  background: #0d1117;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin: 1.75rem 0 2.25rem 0;
  overflow-x: auto;
}

.pipeline-flow-header {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pipeline-steps-wrapper {
  display: flex;
  align-items: stretch;
  gap: 10px;
  min-width: 660px;
}

.pipeline-node {
  flex: 1;
  background: #161b22;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.pipeline-node:hover {
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.pipeline-node-step {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: #58a6ff;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.pipeline-node-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #f0f6fc;
  margin-bottom: 4px;
}

.pipeline-node-desc {
  font-size: 0.75rem;
  color: #8b949e;
  line-height: 1.45;
}

.pipeline-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #58a6ff;
  font-size: 1.2rem;
  padding: 0 2px;
}

/* Before vs After Comparison Matrix */
.comparison-matrix-wrapper {
  margin: 2rem 0 2.5rem 0;
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.comparison-table th {
  background: var(--bg-light-alt);
  padding: 0.85rem 1.25rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dark-secondary);
  border-bottom: 1px solid var(--border-light);
}

.comparison-table td {
  padding: 0.9rem 1.25rem;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
  color: #374151;
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.metric-badge-red {
  display: inline-block;
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-weight: 600;
}

.metric-badge-green {
  display: inline-block;
  background: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
  padding: 3px 8px;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-weight: 600;
}

.case-showcase-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.case-showcase-btn {
  background: none;
  border: none;
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

/* Case Studies Expanded Mode Controls */
.case-expanded-container {
  display: block;
}

.case-control-sticky-bar {
  position: sticky;
  top: 72px;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.5rem;
  margin-bottom: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
  transition: all var(--transition-fast);
}

.case-back-to-showcase-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-dark);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-full);
  padding: 0.55rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.case-back-to-showcase-btn:hover {
  background: #2563eb;
}

.case-switcher-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.case-switcher-btn {
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-dark-secondary);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.case-switcher-btn:hover {
  background: var(--bg-light-alt);
  color: var(--text-dark-primary);
}

.case-switcher-btn.active {
  background: var(--accent-blue);
  color: #ffffff;
  border-color: var(--accent-blue);
}

.case-study-item.hidden-case {
  display: none !important;
}

.case-study-item.active-case {
  display: block !important;
  animation: fadeInCase 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeInCase {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .case-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-reader-modal {
    max-height: 94vh;
  }

  .reader-scroll-content {
    padding: 2rem 2.25rem 2.5rem 2.25rem;
  }
  .about-grid, .experience-header-grid, .skills-header-grid, .contact-layout-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .toolkit-pillars-grid {
    grid-template-columns: 1fr;
  }

  .tool-inspector-panel {
    flex-direction: column;
    align-items: flex-start;
  }

  .projects-grid, .blog-grid, .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .modal-split-view {
    grid-template-columns: 1fr;
  }

  .case-meta-matrix {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1.25rem;
  }

  .case-study-content {
    padding: 2rem;
  }
}


@media (max-width: 768px) {
  .nav-links, .nav-cta-btn {
    display: none;
  }

  .mobile-toggle-btn {
    display: block;
  }

  .hero-section {
    padding-top: 6.5rem;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .hero-bottom-bar {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }

  .stats-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }

  .projects-grid, .blog-grid, .article-grid {
    grid-template-columns: 1fr;
  }

  .pillar-tools-list {
    grid-template-columns: 1fr;
  }

  .kpi-row {
    grid-template-columns: 1fr;
  }

  .dashboard-subgrid {
    grid-template-columns: 1fr;
  }

  .experience-timeline-container {
    margin-left: 0.5rem;
  }

  .timeline-card-wrapper {
    padding-left: 2rem;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .case-showcase-grid {
    grid-template-columns: 1fr;
  }

  .case-control-sticky-bar {
    flex-direction: column;
    gap: 0.75rem;
    align-items: stretch;
    top: 60px;
    padding: 1rem;
  }

  .case-switcher-tabs {
    flex-wrap: wrap;
    justify-content: center;
  }

  .case-switcher-btn {
    flex: 1 1 auto;
    text-align: center;
    font-size: 0.78rem;
    padding: 0.4rem 0.65rem;
  }

  .reader-scroll-content {
    padding: 1.5rem 1.25rem 2.5rem 1.25rem;
  }

  .reader-header-bar {
    padding: 1rem 1.25rem;
  }

  .reader-featured-img {
    height: 200px;
  }

  .case-meta-matrix {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1.25rem;
  }

  .pipeline-steps-wrapper {
    flex-direction: column;
    min-width: 100%;
  }

  .pipeline-arrow {
    transform: rotate(90deg);
    margin: 4px 0;
  }
}

/* ==========================================================================
   CREATIVE LAB & WEB PLAYGROUND STYLES
   ========================================================================== */
.lab-hero-section {
  padding: 8rem 0 3.5rem 0;
  background: radial-gradient(circle at 80% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 20% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 60%),
              #0d1117;
  color: #ffffff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.lab-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.lab-hero-stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-light-secondary);
}

.lab-hero-stat-item strong {
  color: #ffffff;
  font-weight: 600;
}

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

@keyframes pulseGreen {
  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 7px rgba(16, 185, 129, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
  margin-bottom: 5rem;
}

.lab-card {
  background: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.28s ease, border-color 0.28s ease;
  cursor: pointer;
  position: relative;
}

.lab-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.09);
  border-color: rgba(59, 130, 246, 0.35);
}

.lab-card-banner {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #0f172a;
}

.lab-card-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lab-card:hover .lab-card-banner img {
  transform: scale(1.04);
}

.lab-live-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  z-index: 2;
}

.lab-badge-live {
  color: #34d399;
}

.lab-badge-experimental {
  color: #fbbf24;
}

.lab-badge-demo {
  color: #60a5fa;
}

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

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

.lab-card-category {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-blue);
}

.lab-card-title {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--text-dark-primary);
  margin-bottom: 0.65rem;
  line-height: 1.35;
  transition: color 0.2s ease;
}

.lab-card:hover .lab-card-title {
  color: var(--accent-blue);
}

.lab-card-desc {
  font-size: 0.92rem;
  color: var(--text-dark-secondary);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.lab-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  margin-bottom: 1.25rem;
}

.lab-card-tag {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: var(--bg-light-alt);
  color: var(--text-dark-secondary);
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-light);
}

.lab-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
}

.lab-btn-inspect {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--accent-blue);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  transition: gap 0.2s ease, color 0.2s ease;
}

.lab-btn-inspect:hover {
  color: #1d4ed8;
  gap: 9px;
}

.lab-btn-launch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-light-alt);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xs);
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dark-primary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.lab-btn-launch:hover {
  background: var(--text-dark-primary);
  color: #ffffff;
  border-color: var(--text-dark-primary);
  transform: translateY(-1px);
}

/* Motive Callout Box Component */
.motive-callout-box {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.07) 0%, rgba(245, 158, 11, 0.02) 100%);
  border-left: 3px solid #f59e0b;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.1rem 1.25rem;
  margin: 1.5rem 0;
}

.motive-callout-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #d97706;
  margin-bottom: 0.5rem;
}

.motive-callout-text {
  font-size: 0.95rem;
  color: #334155;
  line-height: 1.6;
  font-style: italic;
}

/* ==========================================================================
   CREATIVE LAB DETAIL MODAL
   ========================================================================== */
.lab-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

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

.lab-modal {
  background: #ffffff;
  border-radius: var(--radius-md);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.lab-modal-backdrop.active .lab-modal {
  transform: translateY(0) scale(1);
}

.lab-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-light);
  background: #ffffff;
}

.lab-modal-header-tag {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-blue);
}

.lab-modal-close-btn {
  background: none;
  border: none;
  color: var(--text-dark-secondary);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  transition: background 0.15s ease, color 0.15s ease;
}

.lab-modal-close-btn:hover {
  background: var(--bg-light-alt);
  color: var(--text-dark-primary);
}

.lab-modal-scroll-body {
  padding: 1.75rem;
  overflow-y: auto;
  max-height: calc(90vh - 150px);
}

.lab-modal-banner-box {
  position: relative;
  width: 100%;
  height: 280px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 1.75rem;
  background: #0f172a;
}

.lab-modal-banner-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lab-modal-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--text-dark-primary);
  margin-bottom: 0.75rem;
  line-height: 1.25;
}

.lab-modal-stack-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.75rem;
}

.lab-modal-section-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark-primary);
  margin-top: 1.75rem;
  margin-bottom: 0.65rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.lab-modal-text {
  font-size: 1rem;
  color: var(--text-dark-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.lab-modal-features-list {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lab-modal-features-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-dark-secondary);
  line-height: 1.5;
}

.lab-modal-features-list li::before {
  content: "•";
  font-size: 1.2rem;
  color: var(--accent-blue);
  flex-shrink: 0;
  margin-top: -2px;
}

.lab-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-light);
  background: var(--bg-light-alt);
}

.lab-modal-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.lab-modal-primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-blue);
  color: #ffffff;
  padding: 9px 20px;
  border-radius: var(--radius-xs);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.lab-modal-primary-btn:hover {
  background: #2563eb;
  transform: translateY(-1px);
}

.lab-modal-secondary-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid var(--border-light);
  color: var(--text-dark-primary);
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}

.lab-modal-secondary-btn:hover {
  background: var(--bg-light-alt);
  border-color: #cbd5e1;
}

/* Responsive adjustments for Lab */
@media (max-width: 768px) {
  .lab-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .lab-hero-section {
    padding: 6.5rem 0 2.5rem 0;
  }

  .lab-modal-banner-box {
    height: 190px;
  }

  .lab-modal-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .lab-modal-cta-group {
    flex-direction: column;
    width: 100%;
    margin-left: 0;
  }

  .lab-modal-primary-btn,
  .lab-modal-secondary-btn {
    width: 100%;
    justify-content: center;
  }
}