/* ==========================================================================
   Shukurjon Boqiyev - Professional 3D Portfolio Stylesheet
   Modern Cyber-Glass Theme
   ========================================================================== */

:root {
  --bg-primary: #080c14;
  --bg-secondary: #0d1322;
  --bg-card: rgba(15, 23, 42, 0.72);
  --bg-card-hover: rgba(30, 41, 59, 0.82);
  --bg-glass: rgba(13, 19, 34, 0.6);
  
  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.35);
  --accent-blue: #3b82f6;
  --accent-violet: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.4);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --border-light: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(0, 240, 255, 0.25);
  --border-amber: rgba(245, 158, 11, 0.3);

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-code: 'Fira Code', monospace;
  --font-heading: 'Space Grotesk', sans-serif;

  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* 3D WebGL Canvas Layer */
#canvas-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none; /* Allows scrolling text through 3D background */
  overflow: hidden;
}

#webgl-canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  outline: none;
}

/* When 3D Orbit is active, allow mouse interactions */
#canvas-container.orbit-active {
  pointer-events: auto;
}
#canvas-container.orbit-active #webgl-canvas {
  cursor: grab;
}
#canvas-container.orbit-active #webgl-canvas:active {
  cursor: grabbing;
}

/* Scene Hints & Floating Controls */
.scene-hint {
  position: absolute;
  top: 85px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-amber);
  color: var(--accent-amber);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-family: var(--font-code);
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 15px var(--accent-amber-glow);
  z-index: 50;
  pointer-events: auto;
  cursor: pointer;
  animation: floatHint 3s ease-in-out infinite;
  transition: var(--transition-smooth);
}

.scene-hint:hover {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-amber);
  transform: translateX(-50%) scale(1.03);
}

@keyframes floatHint {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-6px); }
}

.scene-controls {
  position: absolute;
  bottom: 24px;
  right: 24px;
  display: flex;
  gap: 10px;
  z-index: 50;
  pointer-events: auto;
}

.ctrl-btn {
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.ctrl-btn:hover {
  background: rgba(30, 41, 59, 0.95);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.ctrl-btn.active {
  background: var(--accent-cyan);
  color: #030712;
  border-color: var(--accent-cyan);
  font-weight: 600;
  box-shadow: 0 0 20px var(--accent-cyan-glow);
}

#toggle-lamp-btn.lamp-on {
  border-color: var(--accent-amber);
  color: var(--accent-amber);
  box-shadow: 0 0 15px var(--accent-amber-glow);
}

/* Loader Wrapper */
#loader-wrapper {
  position: fixed;
  inset: 0;
  background: #060911;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader-wrapper.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.loader-cube {
  width: 50px;
  height: 50px;
  position: relative;
  transform-style: preserve-3d;
  animation: rotateCube 2s infinite linear;
  margin-bottom: 24px;
}

.loader-cube .side {
  position: absolute;
  width: 50px;
  height: 50px;
  border: 2px solid var(--accent-cyan);
  background: rgba(0, 240, 255, 0.1);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.side.front  { transform: translateZ(25px); }
.side.back   { transform: rotateY(180deg) translateZ(25px); }
.side.right  { transform: rotateY(90deg) translateZ(25px); }
.side.left   { transform: rotateY(-90deg) translateZ(25px); }
.side.top    { transform: rotateX(90deg) translateZ(25px); }
.side.bottom { transform: rotateX(-90deg) translateZ(25px); }

@keyframes rotateCube {
  0% { transform: rotateX(0deg) rotateY(0deg); }
  100% { transform: rotateX(360deg) rotateY(360deg); }
}

.loader-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 1px;
  color: var(--text-main);
  margin-bottom: 6px;
}

.loader-subtitle {
  font-family: var(--font-code);
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.loader-bar-bg {
  width: 220px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  overflow: hidden;
}

.loader-bar-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 0;
  transition: var(--transition-smooth);
}

.navbar-header.scrolled {
  padding: 10px 0;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

.nav-brand {
  font-family: var(--font-code);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  letter-spacing: -0.5px;
}

.brand-code {
  color: var(--accent-cyan);
}
.brand-name {
  color: #fff;
  margin: 0 1px;
}
.brand-dot {
  color: var(--accent-amber);
}
.brand-ext {
  color: var(--accent-cyan);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(12px);
  padding: 6px 12px;
  border-radius: 50px;
  border: 1px solid var(--border-light);
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 50px;
  transition: var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  color: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(0, 240, 255, 0.2);
}

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

.action-btn {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.action-btn:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.action-btn.cv-btn {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.15), rgba(59, 130, 246, 0.2));
  border-color: var(--border-accent);
  color: var(--accent-cyan);
}

.action-btn.cv-btn:hover {
  background: var(--accent-cyan);
  color: #030712;
  box-shadow: 0 0 20px var(--accent-cyan-glow);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #fff;
  transition: var(--transition-smooth);
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
.main-content {
  position: relative;
  z-index: 2; /* Sits above 3D background */
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px auto;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-code);
  font-size: 0.85rem;
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  border: 1px solid rgba(0, 240, 255, 0.2);
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.section-subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  padding-top: 100px;
  padding-bottom: 60px;
}

.hero-container {
  display: flex;
  align-items: center;
}

.hero-content {
  max-width: 720px;
  background: rgba(8, 12, 20, 0.45);
  backdrop-filter: blur(12px);
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-light);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.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);
  color: #34d399;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: 3.2rem;
  font-family: var(--font-heading);
  line-height: 1.15;
  margin-bottom: 16px;
}

.hero-title .greeting {
  display: block;
  font-size: 1.5rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 6px;
}

.name-highlight {
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-cyan) 80%, var(--accent-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  letter-spacing: -1px;
}

.typewriter-container {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-code);
  font-size: 1.3rem;
  color: var(--accent-cyan);
  background: rgba(0, 0, 0, 0.35);
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent-cyan);
  margin-bottom: 20px;
  width: fit-content;
}

.terminal-prompt {
  color: var(--accent-amber);
  font-weight: 700;
}

.cursor {
  animation: blinkCursor 1s step-end infinite;
  color: var(--accent-cyan);
}

@keyframes blinkCursor {
  from, to { opacity: 1; }
  50% { opacity: 0; }
}

.hero-description {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 40px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #030712;
  box-shadow: 0 4px 20px var(--accent-cyan-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 240, 255, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-light);
  color: #fff;
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(15, 23, 42, 0.7);
  border-color: var(--border-light);
  color: var(--text-main);
  padding: 12px 16px;
  font-size: 1.2rem;
}

.btn-glass:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.metric-card {
  display: flex;
  flex-direction: column;
}

.metric-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.3;
}

.scroll-down-indicator {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.8rem;
  font-family: var(--font-code);
  transition: var(--transition-smooth);
}

.scroll-down-indicator:hover {
  color: var(--accent-cyan);
}

.bounce {
  animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(6px); }
  60% { transform: translateY(3px); }
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 40px;
  align-items: start;
}

.about-card-photo {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.photo-wrapper {
  position: relative;
  width: 100%;
  height: 420px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 20px;
}

.profile-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
}

.about-card-photo:hover .profile-img {
  transform: scale(1.04);
}

.photo-glow-border {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--radius-md);
  box-shadow: inset 0 0 25px rgba(0, 240, 255, 0.15);
  pointer-events: none;
}

.status-chip {
  position: absolute;
  bottom: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.photo-card-footer h4 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 4px;
}

.photo-card-footer p {
  font-size: 0.85rem;
  color: var(--accent-cyan);
  font-family: var(--font-code);
  margin-bottom: 14px;
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 50px;
}

.about-card-text {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.about-heading {
  font-size: 1.45rem;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 20px;
}

.about-bio {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.pillar-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  padding: 20px;
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.pillar-box:hover {
  background: rgba(0, 240, 255, 0.05);
  border-color: var(--border-accent);
  transform: translateY(-4px);
}

.pillar-box i {
  font-size: 1.6rem;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: block;
}

.pillar-box h5 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 6px;
}

.pillar-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.skill-category-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
}

.skill-category-card:hover {
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.5);
  transform: translateY(-4px);
}

.cat-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}

.cat-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-accent);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--accent-cyan);
}

.cat-header h3 {
  font-size: 1.25rem;
  color: #fff;
  font-family: var(--font-heading);
}

.skills-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.skill-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.skill-name {
  font-size: 0.95rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.skill-name i {
  color: var(--accent-cyan);
  width: 18px;
}

.skill-level {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--text-dim);
}

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

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 6px;
  box-shadow: 0 0 10px var(--accent-cyan-glow);
}

.tech-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}

.tech-pill {
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-family: var(--font-code);
  font-size: 0.85rem;
  padding: 8px 18px;
  border-radius: 50px;
  transition: var(--transition-smooth);
}

.tech-pill:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  transform: translateY(-2px);
}

/* ==========================================================================
   TIMELINE SECTION (EXPERIENCE & EDUCATION)
   ========================================================================== */
.timeline-container {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding-left: 36px;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 7px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-cyan), var(--accent-blue), var(--accent-violet));
  opacity: 0.5;
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
}

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

.timeline-dot {
  position: absolute;
  top: 8px;
  left: -36px;
  width: 16px;
  height: 16px;
  background: var(--bg-primary);
  border: 3px solid var(--accent-cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-cyan-glow);
  z-index: 2;
  transition: var(--transition-smooth);
}

.timeline-dot.edu-dot {
  border-color: var(--accent-violet);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.5);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.25);
  background: var(--accent-cyan);
}

.timeline-content {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateX(6px);
}

.timeline-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 10px;
}

.timeline-period {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 6px;
}

.timeline-role-tag {
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 50px;
  font-weight: 600;
}

.timeline-role-tag.edu-tag {
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
}

.timeline-title {
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 4px;
}

.timeline-company {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

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

.timeline-tags span {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-dim);
  font-family: var(--font-code);
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 4px;
}

/* ==========================================================================
   PROJECTS SECTION
   ========================================================================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 28px;
}

.project-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-accent);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 240, 255, 0.15);
}

.project-card-banner {
  height: 100px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.9));
  border-bottom: 1px solid var(--border-light);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
}

.card-badge {
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
  font-size: 0.75rem;
  font-family: var(--font-code);
  padding: 4px 12px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.project-type-icon {
  font-size: 2.2rem;
  color: rgba(255, 255, 255, 0.15);
}

.project-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 1.35rem;
  color: #fff;
  font-family: var(--font-heading);
  margin-bottom: 10px;
}

.project-summary {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 18px;
}

.project-features {
  list-style: none;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.project-features li {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-features li i {
  color: var(--accent-cyan);
  font-size: 0.75rem;
}

.project-tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  margin-bottom: 20px;
}

.project-tech-tags span {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-light);
  color: var(--accent-cyan);
  font-family: var(--font-code);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
}

.project-links {
  display: flex;
  gap: 12px;
  border-top: 1px solid var(--border-light);
  padding-top: 18px;
}

.proj-link {
  flex: 1;
  text-align: center;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition-smooth);
}

.live-link {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid var(--border-accent);
  color: var(--accent-cyan);
}

.live-link:hover {
  background: var(--accent-cyan);
  color: #030712;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.code-link {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-main);
}

.code-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

/* ==========================================================================
   TERMINAL SECTION
   ========================================================================== */
.terminal-window {
  max-width: 820px;
  margin: 0 auto;
  background: #090d16;
  border: 1px solid rgba(0, 240, 255, 0.3);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 25px rgba(0, 240, 255, 0.1);
}

.terminal-titlebar {
  background: #111827;
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
}

.terminal-dots {
  display: flex;
  gap: 8px;
}

.t-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.t-red { background: #ef4444; }
.t-yellow { background: #f59e0b; }
.t-green { background: #10b981; }

.terminal-title {
  font-family: var(--font-code);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.terminal-actions button {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.85rem;
  transition: var(--transition-smooth);
}

.terminal-actions button:hover {
  color: var(--text-main);
}

.terminal-body {
  padding: 24px;
  min-height: 280px;
  max-height: 420px;
  overflow-y: auto;
  font-family: var(--font-code);
  font-size: 0.9rem;
}

.terminal-output {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 14px;
}

.term-line {
  line-height: 1.5;
  color: #e2e8f0;
}

.term-green { color: #10b981; font-weight: 600; }
.term-cyan { color: var(--accent-cyan); font-weight: 600; }
.term-yellow { color: var(--accent-amber); font-weight: 600; }
.term-purple { color: #c084fc; }

.terminal-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.term-prompt {
  color: var(--accent-cyan);
  font-weight: 600;
  white-space: nowrap;
}

#terminal-input {
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-family: var(--font-code);
  font-size: 0.9rem;
  flex-grow: 1;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
}

.contact-info-card, .contact-form-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
}

.contact-info-card h3, .contact-form-card h3 {
  font-size: 1.45rem;
  color: #fff;
  font-family: var(--font-heading);
  margin-bottom: 12px;
}

.contact-info-card > p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 28px;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 32px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.contact-item:hover {
  background: rgba(0, 240, 255, 0.06);
  border-color: var(--border-accent);
  transform: translateX(6px);
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(0, 240, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  font-size: 1.2rem;
}

.contact-detail {
  display: flex;
  flex-direction: column;
}

.contact-type {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-family: var(--font-code);
}

.contact-value {
  font-size: 0.95rem;
  color: #fff;
  font-weight: 500;
}

.social-links-row {
  display: flex;
  gap: 12px;
}

.social-btn {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  text-decoration: none;
  font-size: 1.15rem;
  transition: var(--transition-smooth);
}

.social-btn:hover {
  background: var(--accent-cyan);
  color: #030712;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  transform: translateY(-3px);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-group input, .form-group textarea {
  background: rgba(8, 12, 20, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: #fff;
  font-family: var(--font-main);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.submit-btn {
  width: 100%;
  justify-content: center;
  padding: 14px;
  font-size: 1rem;
}

.form-status {
  text-align: center;
  font-size: 0.85rem;
  font-family: var(--font-code);
  margin-top: 6px;
}

.form-status.success { color: var(--accent-emerald); }
.form-status.error { color: #ef4444; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  border-top: 1px solid var(--border-light);
  background: rgba(5, 8, 14, 0.9);
  backdrop-filter: blur(12px);
  padding: 40px 0;
  position: relative;
  z-index: 2;
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand p {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 4px;
}

.footer-copy {
  text-align: center;
}

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

.footer-sub {
  color: var(--text-dim);
  font-size: 0.78rem;
  margin-top: 4px;
}

.back-to-top {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition-smooth);
}

.back-to-top:hover {
  background: var(--accent-cyan);
  color: #030712;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
  transform: translateY(-4px);
}

/* ==========================================================================
   TOAST NOTIFICATIONS
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 99999;
}

.toast {
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-accent);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  animation: slideToast 0.3s ease forwards;
}

.toast.amber {
  border-color: var(--accent-amber);
  color: #fef3c7;
}

.toast.amber i {
  color: var(--accent-amber);
}

@keyframes slideToast {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-card-photo {
    max-width: 420px;
    margin: 0 auto;
  }
  .skills-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(8, 12, 20, 0.98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    padding: 24px 0;
    display: none;
  }
  .nav-menu.open {
    display: block;
  }
  .nav-links {
    flex-direction: column;
    background: none;
    border: none;
    align-items: center;
    gap: 16px;
  }
  .mobile-toggle {
    display: flex;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-content {
    padding: 24px;
  }
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  .scene-controls {
    bottom: 16px;
    right: 16px;
  }
  .scene-controls .btn-text {
    display: none;
  }
  .scene-hint {
    top: 70px;
    font-size: 0.75rem;
    padding: 6px 14px;
    width: 90%;
    justify-content: center;
  }
}