/* ==========================================================================
   UT7 — Engineering Today. Building Tomorrow.
   Personal Brand, Technology & AI Solutions Website for Muhammad Usman Tayyab
   Color Palette: #BCEF12 (Lime Green), #000000, #090909, #111111, #FFFFFF
   Font: Poppins (800, 700, 600, 500, 400)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --primary-lime: #BCEF12;
  --lime-glow: rgba(188, 239, 18, 0.35);
  --lime-soft: rgba(188, 239, 18, 0.08);
  --lime-border: rgba(188, 239, 18, 0.22);
  --emerald-accent: #10B981;
  
  --bg-black: #000000;
  --bg-dark-1: #090909;
  --bg-dark-2: #111111;
  --bg-dark-3: #18181B;
  --bg-card: rgba(17, 17, 17, 0.85);
  --bg-card-hover: rgba(24, 24, 27, 0.95);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(188, 239, 18, 0.4);
  
  --text-white: #FFFFFF;
  --text-muted: #A1A1AA;
  --text-dim: #71717A;
  
  --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --nav-height: 80px;
  --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-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-glow: 0 0 35px rgba(188, 239, 18, 0.18);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.5);

  /* Strict Equal Main Section Spacing System — 30px at all breakpoints */
  --section-pad: 30px;
  --section-pad-desktop: 30px;
  --section-pad-laptop: 30px;
  --section-pad-mobile: 30px;
  --section-pad-sm: 30px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 20px);
  font-size: 16px;
  background-color: var(--bg-black);
  color: var(--text-white);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  overflow-x: hidden;
  max-width: 100%;
  width: 100%;
  position: relative;
  line-height: 1.6;
  background-color: var(--bg-black);
  color: var(--text-white);
  min-height: 100vh;
}

img, svg, video, canvas {
  max-width: 100%;
  height: auto;
}

/* Background Grids & Ambient Effects */
.bg-ambient-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(188, 239, 18, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 65%, rgba(16, 185, 129, 0.03) 0%, transparent 45%),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 60px 60px, 60px 60px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-main);
  color: var(--text-white);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-weight: 800; }
h2 { font-weight: 700; }
h3 { font-weight: 600; }

p {
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.7;
}

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

.text-lime {
  color: var(--primary-lime) !important;
}

.gradient-text-lime {
  background: linear-gradient(135deg, #FFFFFF 30%, var(--primary-lime) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-full {
  background: linear-gradient(135deg, var(--primary-lime) 0%, #10B981 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Layout Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding-top: var(--section-pad-desktop);
  padding-bottom: var(--section-pad-desktop);
  padding-left: 0;
  padding-right: 0;
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

/* Guarantee equal top and bottom visual spaces by removing trailing margins */
.container > *:last-child,
.timeline-wrapper > .timeline-item:last-child {
  margin-bottom: 0 !important;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary-lime);
  background: var(--lime-soft);
  border: 1px solid var(--lime-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}

.section-tag svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.section-header {
  margin-bottom: 24px;
}

.section-header.text-center {
  text-align: center;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  margin-bottom: 18px;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 720px;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-lime);
  color: #000000;
  box-shadow: 0 4px 20px var(--lime-glow);
}

.btn-primary:hover {
  background: #c8fa24;
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(188, 239, 18, 0.5);
  color: #000000;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-white);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
  color: var(--text-white);
}

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

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

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border-color var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.navbar.scrolled {
  background-color: rgba(9, 9, 9, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-brand img {
  height: 44px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

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

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

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  padding: 8px;
  cursor: pointer;
}

/* Mobile Drawer Menu - Hidden on Desktop */
.mobile-menu {
  display: none;
}

.mobile-nav-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  padding: 8px 0;
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--primary-lime);
}
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height) + var(--section-pad-desktop));
  padding-bottom: var(--section-pad-desktop);
  position: relative;
  overflow: hidden;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.hero-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(188, 239, 18, 0.06);
  border: 1px solid var(--lime-border);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-white);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--primary-lime);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--primary-lime);
  animation: pulseAnimation 2s infinite ease-in-out;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.35); opacity: 1; box-shadow: 0 0 15px var(--primary-lime); }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.hero-headline {
  font-size: clamp(2.5rem, 4.8vw, 4.2rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 22px;
}

.hero-subheadline {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-lime);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-intro {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 640px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

/* Achievements Strip */
.hero-achievements {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  backdrop-filter: blur(12px);
}

.achievement-item {
  text-align: left;
  border-left: 2px solid var(--lime-border);
  padding-left: 12px;
}

.achievement-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-lime);
  font-family: var(--font-mono);
  display: block;
  line-height: 1.2;
}

.achievement-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

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

.hero-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: linear-gradient(180deg, #18181B 0%, #090909 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
}

.hero-card-glow {
  position: absolute;
  top: -50px;
  right: -50px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--lime-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero-avatar-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1.08;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #090909;
  border: 1px solid var(--lime-border);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform var(--transition-normal);
}

.hero-card:hover .hero-avatar-img {
  transform: scale(1.03);
}

.hero-avatar-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 45%, rgba(9,9,9,0.92) 100%);
  pointer-events: none;
}

.avatar-badge-bottom {
  position: absolute;
  bottom: 14px;
  left: 14px;
  right: 14px;
  background: rgba(9, 9, 9, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid var(--lime-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}

.avatar-badge-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-white);
}

.avatar-badge-loc {
  font-size: 0.72rem;
  color: var(--primary-lime);
  font-family: var(--font-mono);
}

.about-photo-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--lime-border);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  aspect-ratio: 1 / 1.1;
  background: #0D0D10;
  margin-bottom: 24px;
}

.about-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  transition: transform var(--transition-normal);
}

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

.about-photo-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(9, 9, 9, 0.95) 100%);
  pointer-events: none;
}

.about-photo-caption {
  position: absolute;
  bottom: 16px;
  left: 20px;
  right: 20px;
  z-index: 2;
}

.about-photo-name {
  font-size: 1.15rem;
  font-weight: 800;
  color: #FFFFFF;
}

.about-photo-title {
  font-size: 0.8rem;
  color: var(--primary-lime);
  font-family: var(--font-mono);
}

.hero-card-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-card-name {
  font-size: 1.25rem;
  font-weight: 800;
}

.hero-card-role {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.tech-tag {
  font-size: 0.72rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: #E4E4E7;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: start;
}

.about-card-editorial {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  backdrop-filter: blur(12px);
}

.about-card-editorial p {
  margin-bottom: 20px;
  font-size: 1.02rem;
}

.quote-highlight {
  border-left: 3px solid var(--primary-lime);
  padding-left: 18px;
  margin: 24px 0;
  font-style: italic;
  color: var(--text-white);
  font-size: 1.05rem;
}

.about-pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.pillar-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 18px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.pillar-box:hover {
  border-color: var(--lime-border);
  background: var(--lime-soft);
  transform: translateY(-2px);
}

.pillar-box h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pillar-box p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.about-philosophy-card {
  margin-top: 24px;
  padding: 26px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  position: relative;
  transition: all var(--transition-fast);
}

.about-philosophy-card:hover {
  border-color: var(--lime-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(188, 239, 18, 0.08);
  transform: translateY(-2px);
}

.about-philosophy-card h4 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.about-philosophy-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 0;
  color: var(--text-muted);
}

/* Experience Section & Timeline */
.timeline-wrapper {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary-lime) 0%, rgba(188, 239, 18, 0.2) 80%, transparent 100%);
}

.timeline-item {
  position: relative;
  padding-left: 64px;
  margin-bottom: 32px;
}

.timeline-dot {
  position: absolute;
  left: 17px;
  top: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-dark-1);
  border: 3px solid var(--primary-lime);
  box-shadow: 0 0 10px var(--lime-glow);
  z-index: 2;
  transition: transform var(--transition-fast);
}

.timeline-item.current .timeline-dot {
  background: var(--primary-lime);
  box-shadow: 0 0 16px var(--primary-lime);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.timeline-card:hover {
  border-color: var(--lime-border);
  background: var(--bg-card-hover);
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.timeline-company {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-white);
}

.timeline-role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary-lime);
  margin-top: 2px;
}

.timeline-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.timeline-badge.current {
  background: var(--lime-soft);
  color: var(--primary-lime);
  border-color: var(--lime-border);
}

.timeline-details {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.timeline-responsibilities {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.timeline-responsibilities li {
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.timeline-responsibilities li::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: var(--primary-lime);
  font-weight: bold;
}

/* Core Expertise Cards */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.expertise-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 30px;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.expertise-card:hover {
  transform: translateY(-4px);
  border-color: var(--lime-border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), var(--shadow-glow);
}

.expertise-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--lime-soft);
  border: 1px solid var(--lime-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-lime);
  margin-bottom: 20px;
}

.expertise-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.expertise-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}

.expertise-list li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.expertise-list li::before {
  content: '•';
  color: var(--primary-lime);
}

/* AI SECTION — FLAGSHIP EXPERIENCE */
.ai-section {
  background: linear-gradient(180deg, rgba(9, 9, 9, 0.8) 0%, rgba(17, 17, 17, 0.95) 50%, rgba(9, 9, 9, 0.9) 100%);
  position: relative;
  overflow: hidden;
}

.ai-glow-bg {
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(188, 239, 18, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.ai-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.ai-card {
  background: rgba(18, 18, 20, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.ai-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary-lime), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.ai-card:hover {
  transform: translateY(-5px);
  border-color: var(--lime-border);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 25px rgba(188, 239, 18, 0.15);
}

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

.ai-card-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary-lime);
  background: rgba(188, 239, 18, 0.1);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.ai-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.ai-card-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.ai-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-card-tag {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-white);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* AI Interactive Demo Hub */
.ai-interactive-hub {
  background: var(--bg-card);
  border: 1px solid var(--lime-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-glow);
  margin-top: 40px;
}

.ai-hub-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.ai-hub-title {
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 12px;
}

.ai-hub-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-fast);
}

.service-card:hover {
  border-color: var(--lime-border);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}

.service-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--primary-lime);
  font-weight: 700;
  margin-bottom: 16px;
}

.service-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.service-techs {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* Projects Section */
.projects-filter-bar {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-main);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--lime-soft);
  color: var(--primary-lime);
  border-color: var(--primary-lime);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

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

.project-card:hover {
  transform: translateY(-5px);
  border-color: var(--lime-border);
  box-shadow: var(--shadow-card), 0 0 25px rgba(188, 239, 18, 0.12);
}

.project-thumb {
  width: 100%;
  height: 200px;
  background: #141416;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}

.project-thumb-svg {
  width: 100%;
  height: 100%;
}

.project-meta-strip {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-cat-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(9, 9, 9, 0.8);
  backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: var(--primary-lime);
  border: 1px solid var(--lime-border);
}

.project-stats-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(0, 0, 0, 0.7);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  color: #FFFFFF;
}

.project-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.project-footer {
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Impact & Statistics */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.impact-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  position: relative;
  transition: all var(--transition-fast);
}

.impact-card:hover {
  border-color: var(--lime-border);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.impact-number {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 800;
  color: var(--primary-lime);
  line-height: 1;
  margin-bottom: 10px;
}

.impact-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 6px;
}

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

/* Tech Stack Matrix */
.stack-categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.stack-category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
}

.stack-category-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.stack-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-pill {
  font-size: 0.8rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  color: #E4E4E7;
  transition: all var(--transition-fast);
}

.stack-pill:hover {
  background: var(--lime-soft);
  border-color: var(--primary-lime);
  color: var(--primary-lime);
}

/* Education & Certifications */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.edu-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 28px;
}

.edu-item {
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.edu-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

/* Beyond Development / Passions */
.interests-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.interest-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all var(--transition-fast);
}

.interest-card:hover {
  border-color: var(--lime-border);
  background: var(--lime-soft);
  transform: translateY(-2px);
}

.interest-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.interest-title {
  font-size: 0.9rem;
  font-weight: 600;
}

/* Social Network Cards */
.social-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.social-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
  transition: all var(--transition-fast);
}

.social-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
}

.social-icon {
  width: 40px;
  height: 40px;
  display: block;
}

.social-name {
  font-size: 0.9rem;
  font-weight: 700;
}

.social-handle {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Contact Section */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.channel-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--lime-soft);
  border: 1px solid var(--lime-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-lime);
  flex-shrink: 0;
}

.channel-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.channel-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-white);
}

/* Contact Form */
.contact-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: #E4E4E7;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-family: var(--font-main);
  font-size: 0.92rem;
  color: var(--text-white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary-lime);
  box-shadow: 0 0 12px rgba(188, 239, 18, 0.25);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-status-alert {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.form-status-alert.success {
  display: block;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid #10B981;
  color: #6EE7B7;
}

.form-status-alert.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid #EF4444;
  color: #FCA5A5;
}

/* Footer */
.footer {
  background: #050505;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: var(--section-pad-desktop);
  padding-bottom: var(--section-pad-desktop);
  position: relative;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}

.footer-logo {
  height: 48px;
  margin-bottom: 18px;
}

.footer-tagline {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 380px;
  line-height: 1.7;
}

.footer-col-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-white);
  margin-bottom: 18px;
}

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

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Floating AI Assistant Widget - Removed as per user request */
.floating-ai-launcher {
  display: none !important;
}

.ai-launcher-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--primary-lime);
  color: #000000;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 25px var(--lime-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  position: relative;
}

.ai-launcher-btn:hover {
  transform: scale(1.08) rotate(5deg);
  box-shadow: 0 6px 30px rgba(188, 239, 18, 0.6);
}

.ai-launcher-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 14px;
  height: 14px;
  background: #10B981;
  border: 2px solid #000;
  border-radius: 50%;
}

.ai-chat-window {
  position: fixed;
  bottom: 96px;
  right: 28px;
  width: 380px;
  height: 540px;
  max-width: calc(100vw - 36px);
  max-height: calc(100vh - 120px);
  background: #0D0D10;
  border: 1px solid var(--lime-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8), var(--shadow-glow);
  display: flex;
  flex-direction: column;
  z-index: 991;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px) scale(0.95);
  transition: all var(--transition-normal);
}

.ai-chat-window.active {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0) scale(1);
}

.ai-chat-header {
  padding: 16px 20px;
  background: #141418;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ai-chat-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.ai-chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--lime-soft);
  border: 1.5px solid var(--primary-lime);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-lime);
  overflow: hidden;
  flex-shrink: 0;
}

.ai-chat-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.ai-chat-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: #FFFFFF;
}

.ai-chat-status {
  font-size: 0.72rem;
  color: var(--primary-lime);
  display: flex;
  align-items: center;
  gap: 5px;
}

.ai-chat-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
}

.ai-chat-messages {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.chat-bubble {
  max-width: 82%;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.88rem;
  line-height: 1.5;
}

.chat-bubble.bot {
  background: #1A1A20;
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #E4E4E7;
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.chat-bubble.user {
  background: var(--primary-lime);
  color: #000000;
  font-weight: 500;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 16px 12px;
}

.suggest-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 5px 12px;
  font-size: 0.72rem;
  color: #E4E4E7;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.suggest-btn:hover {
  border-color: var(--primary-lime);
  color: var(--primary-lime);
}

.ai-chat-input-bar {
  padding: 14px 16px;
  background: #141418;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  gap: 10px;
}

.ai-chat-input {
  flex: 1;
  background: #090909;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 10px 16px;
  color: #FFFFFF;
  font-family: var(--font-main);
  font-size: 0.85rem;
}

.ai-chat-input:focus {
  outline: none;
  border-color: var(--primary-lime);
}

.ai-chat-send {
  background: var(--primary-lime);
  color: #000;
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.ai-chat-send:hover {
  transform: scale(1.05);
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

.back-to-top:hover {
  border-color: var(--primary-lime);
  color: var(--primary-lime);
  transform: translateY(-3px);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .section {
    padding-top: var(--section-pad-laptop);
    padding-bottom: var(--section-pad-laptop);
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--section-pad-laptop));
    padding-bottom: var(--section-pad-laptop);
  }

  .footer {
    padding-top: var(--section-pad-laptop);
    padding-bottom: var(--section-pad-laptop);
  }

  .section-header {
    margin-bottom: 24px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-intro {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-ctas {
    justify-content: center;
  }
  .hero-achievements {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid, .contact-grid, .edu-grid {
    grid-template-columns: 1fr;
  }
  .ai-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .achievements-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stack-categories-grid {
    grid-template-columns: 1fr;
  }
  .social-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .interests-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Quick Nav Dock Bar (Futuristic Image 2 App Dock Bar Style)
   ========================================================================== */
.footer-dock-container {
  display: none !important;
}

.dock-bar {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  background: #0E0E12;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 12px 28px;
  gap: 36px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.7);
  max-width: 100%;
}

.dock-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: #D4D4D8;
  transition: all var(--transition-fast);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.dock-icon {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  transition: all var(--transition-fast);
}

.dock-label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color var(--transition-fast);
  font-family: var(--font-main);
}

.dock-item:hover, .dock-item.active {
  color: var(--primary-lime) !important;
  transform: translateY(-2px);
}

.dock-item.active .dock-icon {
  stroke: var(--primary-lime);
  filter: drop-shadow(0 0 8px var(--lime-glow));
}

.dock-item.active .dock-label {
  color: var(--primary-lime);
}

/* Floating Bottom Dock on Mobile Devices */
.mobile-bottom-dock {
  display: none;
}

@media (max-width: 768px) {
  /* Prevent horizontal scrolling on mobile */
  html, body {
    overflow-x: hidden !important;
    max-width: 100vw !important;
    width: 100% !important;
  }

  .container {
    padding: 0 16px;
    max-width: 100% !important;
    overflow-x: hidden;
  }

  .section {
    padding-top: var(--section-pad-mobile);
    padding-bottom: var(--section-pad-mobile);
    overflow-x: hidden;
  }

  .footer {
    padding-top: var(--section-pad-mobile);
    padding-bottom: var(--section-pad-mobile);
  }

  .section-header {
    margin-bottom: 24px;
  }

  .nav-links, .nav-actions .btn {
    display: none !important;
  }

  .mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(9, 9, 9, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--lime-border);
    padding: 24px 20px;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9);
  }

  .mobile-menu.open {
    display: flex !important;
    animation: slideDownMenu 0.25s ease-out forwards;
  }

  @keyframes slideDownMenu {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--section-pad-mobile));
    padding-bottom: var(--section-pad-mobile);
    min-height: auto;
  }

  .hero-headline {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .hero-subheadline {
    font-size: 0.98rem;
  }

  .hero-status {
    font-size: 0.72rem;
    padding: 6px 12px;
    white-space: normal;
    text-align: center;
    max-width: 100%;
  }

  .hero-ctas {
    flex-direction: column;
    width: 100%;
    gap: 10px;
  }

  .hero-ctas .btn {
    width: 100%;
  }

  .hero-achievements {
    grid-template-columns: 1fr;
    padding: 14px;
    gap: 12px;
  }

  /* Timeline mobile fixes - prevent horizontal push */
  .timeline-wrapper {
    max-width: 100%;
  }

  .timeline-line {
    left: 12px;
  }

  .timeline-dot {
    left: 5px;
    top: 20px;
    width: 14px;
    height: 14px;
  }

  .timeline-item {
    padding-left: 32px;
    margin-bottom: 20px;
    max-width: 100%;
  }

  .timeline-card {
    padding: 16px;
    max-width: 100%;
  }

  .timeline-header {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
  }

  .timeline-company {
    font-size: 1.1rem;
  }

  .timeline-role {
    font-size: 0.88rem;
  }

  .timeline-badge {
    white-space: normal;
    font-size: 0.72rem;
    padding: 3px 10px;
  }

  .ai-showcase-grid, .services-grid, .projects-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .projects-filter-bar {
    gap: 6px;
    margin-bottom: 24px;
  }

  .filter-btn {
    font-size: 0.75rem;
    padding: 6px 12px;
  }

  .contact-channel {
    gap: 12px;
  }

  .channel-val {
    word-break: break-all;
    font-size: 0.9rem;
  }

  .contact-info-card, .contact-form-card {
    padding: 20px 16px;
  }

  /* Mobile Bottom Dock (Fixed at bottom like native app bar in Image 2) */
  .mobile-bottom-dock {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 62px;
    background: rgba(14, 14, 18, 0.96);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-top: 1px solid rgba(188, 239, 18, 0.25);
    align-items: center;
    justify-content: space-around;
    z-index: 980;
    padding: 0 6px;
    box-shadow: 0 -8px 25px rgba(0, 0, 0, 0.8);
  }

  .mobile-bottom-dock .dock-item {
    padding: 4px 6px;
    gap: 3px;
    flex: 1;
  }

  .mobile-bottom-dock .dock-icon {
    width: 20px;
    height: 20px;
  }

  .mobile-bottom-dock .dock-label {
    font-size: 0.68rem;
    font-weight: 600;
  }

  /* Prevent page content from being covered by the bottom dock */
  body {
    padding-bottom: 70px;
  }

  .back-to-top {
    bottom: 74px;
    right: 14px;
    left: auto;
  }
}

/* Small Mobile Screens (<= 480px) */
@media (max-width: 480px) {
  .section {
    padding-top: var(--section-pad-sm);
    padding-bottom: var(--section-pad-sm);
  }

  .hero {
    padding-top: calc(var(--nav-height) + var(--section-pad-sm));
    padding-bottom: var(--section-pad-sm);
  }

  .footer {
    padding-top: var(--section-pad-sm);
    padding-bottom: var(--section-pad-sm);
  }

  .section-header {
    margin-bottom: 24px;
  }
}