/* ============================================================
   SURAJORG PORTFOLIO — Design System & Stylesheet
   Architecture: Multi-Page · Refined Slate & Aurora Theme
   Typography: Plus Jakarta Sans + Inter + JetBrains Mono
   Mobile-First · High Contrast · Zero-Lag Interactivity
   ============================================================ */

/* ── 1. Fonts & Design Tokens ── */
:root {
  /* Surface & Background (Crisp Modern Slate, NOT pitch black) */
  --bg-base:        #0B1120;
  --bg-surface:     #111C33;
  --bg-card:        rgba(23, 37, 65, 0.7);
  --bg-card-hover:  rgba(30, 48, 84, 0.85);
  --bg-elevated:    #1E293B;
  --bg-glass:       rgba(15, 23, 42, 0.85);

  /* High-Luminance Accents */
  --sky:            #38BDF8;
  --blue:           #3B82F6;
  --indigo:         #6366F1;
  --emerald:        #10B981;
  --mint:           #34D399;
  --amber:          #F59E0B;
  --rose:           #F43F5E;

  /* Radiant Gradients */
  --grad-primary:   linear-gradient(90deg, #38BDF8 0%, #60A5FA 45%, #93C5FD 75%, #34D399 100%);
  --grad-brand:     linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
  --grad-glow:      linear-gradient(135deg, rgba(56, 189, 248, 0.15), rgba(99, 102, 241, 0.12));
  --grad-card:      linear-gradient(180deg, rgba(30, 41, 59, 0.8) 0%, rgba(15, 23, 42, 0.9) 100%);

  /* High-Contrast Typography */
  --text-primary:   #FFFFFF;
  --text-secondary: #E2E8F0;
  --text-body:      #CBD5E1;
  --text-muted:     #94A3B8;

  /* Borders & Shadows */
  --border-subtle:  rgba(148, 163, 184, 0.14);
  --border-focus:   rgba(56, 189, 248, 0.4);
  --shadow-sm:      0 2px 8px rgba(0, 0, 0, 0.25);
  --shadow-md:      0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg:      0 16px 40px rgba(0, 0, 0, 0.45);
  --glow-cyan:      0 0 24px rgba(56, 189, 248, 0.25);

  /* Typography Families */
  --font-display:   'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-body:      'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:      'JetBrains Mono', monospace;

  /* Layout */
  --nav-height:     74px;
  --container-max:  1200px;
  --radius-sm:      8px;
  --radius-md:      14px;
  --radius-lg:      20px;
  --radius-xl:      28px;
  --radius-full:    9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-base);
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(37, 99, 235, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 85% 25%, rgba(6, 182, 212, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(99, 102, 241, 0.12) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-body);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

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

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

button, input, textarea, select {
  font-family: inherit;
  color: inherit;
}

/* ── 3. Accessibility & Helpers ── */
.skip-link {
  position: absolute;
  top: -60px;
  left: 20px;
  background: var(--sky);
  color: #0F172A;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  z-index: 10000;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 15px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Section Common Layout */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 50px;
}

.section-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sky);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.8vw, 3rem);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* ── 4. Header & Navbar ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  width: 100%;
  height: var(--nav-height);
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(11, 17, 32, 0.95);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  border-bottom-color: rgba(56, 189, 248, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  transition: transform var(--transition-fast);
}

.brand-link:hover {
  transform: translateY(-1px);
}

.brand-logo-img {
  height: 42px;
  width: auto;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  font-family: var(--font-display);
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: var(--sky);
  background: rgba(56, 189, 248, 0.1);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--sky);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-hire {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: var(--radius-full);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
  transition: all var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-hire:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(6, 182, 212, 0.45);
  color: #FFFFFF;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px;
  cursor: pointer;
}

.mobile-toggle svg {
  width: 24px;
  height: 24px;
  display: block;
}

/* Mobile Drawer (Only active on mobile screens) */
.mobile-drawer {
  display: none;
}

@media (max-width: 900px) {
  .mobile-drawer {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background: rgba(11, 17, 32, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 998;
    border-top: 1px solid var(--border-subtle);
  }

  .mobile-drawer.open {
    transform: translateX(0);
  }
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-secondary);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--sky);
  background: rgba(56, 189, 248, 0.08);
  border-color: rgba(56, 189, 248, 0.2);
}

.mobile-drawer-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ── 5. Hero Section (Home) ── */
.hero-section {
  padding: calc(var(--nav-height) + 20px) 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--emerald);
  margin-bottom: 24px;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background: var(--emerald);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseRipple 2s infinite;
}

@keyframes pulseRipple {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-heading {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

/* Fixed Name Visibility: Crystal Clear "Choudhari" */
.hero-name-accent {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: #38BDF8; /* Strong fallback */
  display: inline-block;
  padding-right: 0.15em; /* Guarantees "ari" is not clipped */
  overflow: visible;
  filter: drop-shadow(0 2px 16px rgba(56, 189, 248, 0.35));
}

.hero-subhead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 32px;
}

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

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.4);
  transition: all var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
  color: #FFFFFF;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(30, 41, 59, 0.6);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 13px 26px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(51, 65, 85, 0.8);
  border-color: rgba(56, 189, 248, 0.4);
  color: var(--sky);
  transform: translateY(-2px);
}

/* Key Metrics Strip */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

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

.stat-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.stat-num .plus {
  color: var(--sky);
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Mobile character slot is hidden on desktop */
.hero-mobile-character-slot {
  display: none;
}

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

.hero-card-frame {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.hero-card-frame:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-4px);
}

.hero-tech-console {
  background: #080D1A;
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  font-family: var(--font-mono);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.hero-card-frame:hover .hero-tech-console {
  border-color: rgba(56, 189, 248, 0.45);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.6), 0 0 20px rgba(56, 189, 248, 0.15);
}

.console-header {
  background: rgba(30, 41, 59, 0.6);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.console-dots {
  display: flex;
  gap: 6px;
}

.console-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.console-dot.red { background: #EF4444; }
.console-dot.yellow { background: #F59E0B; }
.console-dot.green { background: #10B981; }

.console-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.console-body {
  padding: 20px 18px;
  font-size: 0.8rem;
  line-height: 1.65;
  color: #E2E8F0;
  overflow-x: auto;
  text-align: left;
}

.code-keyword { color: #F43F5E; font-weight: 600; }
.code-var { color: #38BDF8; font-weight: 600; }
.code-prop { color: #93C5FD; }
.code-str { color: #34D399; }
.code-comment { color: #64748B; font-style: italic; }

.hero-card-footer {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-identity h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.hero-identity p {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--sky);
}

.hero-social-mini {
  display: flex;
  gap: 8px;
}

.mini-social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.mini-social-btn:hover {
  background: var(--sky);
  color: #0B1120;
  border-color: var(--sky);
}

/* Floating Badges */
.floating-tech-badge {
  position: absolute;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid rgba(56, 189, 248, 0.3);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
  backdrop-filter: blur(12px);
}

.badge-top-left {
  top: -16px;
  left: -20px;
}

.badge-bottom-right {
  bottom: 24px;
  right: -24px;
}

.badge-icon-box {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(56, 189, 248, 0.15);
  color: var(--sky);
}

.badge-text-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.badge-text-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* ── 6. Interactive Cards & Grids ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
}

/* Card base with spotlight readiness */
.interactive-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
  overflow: hidden;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.interactive-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.35);
  box-shadow: var(--shadow-lg), 0 0 24px rgba(56, 189, 248, 0.12);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-icon-bubble {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sky);
}

.card-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.6;
  margin-bottom: 20px;
}

/* ── 7. Projects Showcase & Catalog ── */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: rgba(56, 189, 248, 0.3);
}

.filter-btn.active {
  background: var(--sky);
  color: #0F172A;
  border-color: var(--sky);
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(56, 189, 248, 0.35);
}

.project-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-thumb-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #0F172A;
  margin-bottom: 20px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.project-thumb-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.project-thumb-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: opacity var(--transition-fast);
}

.project-card:hover .project-thumb-overlay {
  opacity: 1;
}

.thumb-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #FFFFFF;
  color: #0F172A;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform var(--transition-fast);
}

.thumb-action-btn:hover {
  transform: scale(1.1);
  color: var(--blue);
}

.tech-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.2);
  color: var(--sky);
}

.project-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--sky);
  transition: color var(--transition-fast);
}

.project-link-btn:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

/* ── 8. Experience Timeline ── */
.timeline-container {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 36px;
}

.timeline-container::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--sky) 0%, var(--indigo) 60%, rgba(148, 163, 184, 0.2) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 44px;
}

.timeline-marker {
  position: absolute;
  left: -36px;
  top: 6px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #0B1120;
  border: 3px solid var(--sky);
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.timeline-marker::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sky);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.timeline-card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.4);
}

.timeline-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.timeline-role {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
}

.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--sky);
  background: rgba(56, 189, 248, 0.1);
  padding: 4px 12px;
  border-radius: var(--radius-full);
}

.timeline-company {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.timeline-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

.timeline-list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.6;
}

.timeline-list li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--sky);
  font-size: 1.1rem;
  line-height: 1.4;
}

/* Products Pill Cloud */
.product-pill-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.product-pill {
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(37, 99, 235, 0.15);
  border: 1px solid rgba(37, 99, 235, 0.3);
  color: #93C5FD;
}

/* ── 9. About Page Styles ── */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.bio-text-block p {
  margin-bottom: 18px;
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-body);
}

.bio-text-block p strong {
  color: var(--text-primary);
}

.bio-quote {
  border-left: 3px solid var(--sky);
  padding: 16px 22px;
  background: rgba(56, 189, 248, 0.06);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-style: italic;
  color: var(--text-secondary);
  margin: 24px 0;
}

/* Table Style for Education & Certifications */
.custom-table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.custom-table th {
  background: rgba(30, 41, 59, 0.7);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.custom-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-body);
  font-size: 0.95rem;
}

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

.custom-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.score-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--emerald);
  background: rgba(16, 185, 129, 0.12);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* ── 10. Contact Page & Forms ── */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
}

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

.contact-method-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all var(--transition-fast);
}

.contact-method-card:hover {
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}

.method-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--sky);
  flex-shrink: 0;
}

.method-details h4 {
  font-family: var(--font-display);
  font-size: 0.88rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.method-details a, .method-details p {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.method-details a:hover {
  color: var(--sky);
}

/* Form Styles */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.form-group {
  margin-bottom: 22px;
}

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

.form-control {
  width: 100%;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 0.95rem;
  color: #FFFFFF;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--sky);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
  background: rgba(15, 23, 42, 0.95);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-submit-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #2563EB, #06B6D4);
  color: #FFFFFF;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(37, 99, 235, 0.35);
  transition: all var(--transition-fast);
}

.form-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.5);
}

.form-alert {
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.9rem;
  display: none;
}

.form-alert.success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: var(--mint);
  display: block;
}

.form-alert.error {
  background: rgba(244, 63, 94, 0.15);
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: #FECDD3;
  display: block;
}

/* ── 11. FAQ Accordion ── */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.active {
  border-color: rgba(56, 189, 248, 0.4);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  font-size: 1.3rem;
  color: var(--sky);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
  padding: 0 24px;
  color: var(--text-body);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 20px;
  transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
}

/* ── 12. Footer ── */
.site-footer {
  background: #070B14;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.92rem;
  margin-top: 14px;
  max-width: 320px;
}

.footer-heading {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(30, 41, 59, 0.85);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--sky);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
}

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

.back-to-top:hover {
  background: var(--sky);
  color: #0F172A;
  transform: translateY(-3px);
}

/* ── 13. Responsive Media Queries ── */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .hero-badge {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-subhead {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-cta-group {
    justify-content: center;
  }

  .hero-stats-row {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-visual {
    margin-top: 0;
  }

  /* Mobile 3D Character Staging Slot (between name and description) */
  .hero-mobile-character-slot {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
    max-width: 320px;
    height: 300px;
    margin: 24px auto 28px;
    pointer-events: none;
  }

  .hero-mobile-character-slot .hero-mascot-base-glow {
    position: absolute;
    bottom: 8px;
    width: 180px;
    height: 38px;
    background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.3) 0%, rgba(37, 99, 235, 0.1) 50%, transparent 80%);
    border-radius: 50%;
    filter: blur(12px);
    animation: pulseBase 3.5s ease-in-out infinite alternate;
  }

  /* On mobile, hide the desktop right-column visual area */
  .hero-visual-open {
    display: none;
  }

  .bio-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 66px;
  }

  .nav-desktop {
    display: none;
  }

  .btn-hire {
    display: none;
  }

  .mobile-toggle {
    display: block;
  }

  .hero-stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .floating-tech-badge {
    display: none; /* Keep mobile clean */
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-heading {
    font-size: 2.3rem;
  }

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

  .timeline-container {
    padding-left: 24px;
  }

  .timeline-marker {
    left: -24px;
    width: 20px;
    height: 20px;
  }
}

/* ── 15. Full-Site Independent 3D Luca Character ── */
.luca-full-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 10;
  display: block;
}

/* Open Hero Staging (Unboxed & Full Size) */
.hero-visual-open {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 480px;
  width: 100%;
}

.hero-mascot-base-glow {
  position: absolute;
  bottom: 20px;
  width: 260px;
  height: 60px;
  background: radial-gradient(ellipse at center, rgba(56, 189, 248, 0.25) 0%, rgba(37, 99, 235, 0.1) 50%, transparent 80%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(14px);
  animation: pulseBase 3.5s ease-in-out infinite alternate;
}

@keyframes pulseBase {
  from { transform: scale(0.88); opacity: 0.6; }
  to { transform: scale(1.15); opacity: 1; }
}

/* Ensure all interactive content sits safely above the transparent 3D canvas */
.site-header,
.hero-content,
.section,
.cards-grid,
.interactive-card,
.footer {
  position: relative;
  z-index: 20;
}