/* =========================================
   ROOT & DESIGN TOKENS
   ========================================= */
:root {
  --bg-dark: #020408;
  --bg-darker: #010205;
  --bg-card: rgba(255,255,255,0.03);
  --bg-card-hover: rgba(255,255,255,0.07);
  --accent: #6c63ff;
  --accent-2: #ff6b9d;
  --accent-3: #00d4aa;
  --accent-glow: rgba(108,99,255,0.4);
  --accent-2-glow: rgba(255,107,157,0.3);
  --text-primary: #f0f0ff;
  --text-secondary: rgba(240,240,255,0.6);
  --text-muted: rgba(240,240,255,0.35);
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(108,99,255,0.4);
  --font-main: 'Space Grotesk', sans-serif;
  --font-display: 'Syne', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 60px rgba(108,99,255,0.2);
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --section-padding: 120px 0;
}

/* =========================================
   RESET & BASE
   ========================================= */
*, *::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: var(--bg-dark);
  color: var(--text-primary);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.7;
}

::selection { background: var(--accent); color: white; }

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

/* =========================================
   CANVAS BACKGROUND
   ========================================= */
#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* =========================================
   SECTIONS BASE
   ========================================= */
section {
  position: relative;
  z-index: 1;
  padding: var(--section-padding);
}

.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.section-header {
  text-align: center;
  margin-bottom: 70px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 4px;
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =========================================
   LOADER
   ========================================= */
#loader {
  position: fixed;
  inset: 0;
  background: var(--bg-darker);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 30px;
  animation: pulse 1.5s ease infinite;
  text-shadow: 0 0 30px var(--accent-glow);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.97); }
}

.loader-bar {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 16px;
}

.loader-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0%;
  border-radius: 2px;
  transition: width 0.1s ease;
}

.loader-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 2px;
}

/* =========================================
   CUSTOM CURSOR
   ========================================= */
#cursor {
  position: fixed;
  width: 10px; height: 10px;
  background: var(--accent);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
  mix-blend-mode: normal;
}

#cursor-follower {
  position: fixed;
  width: 36px; height: 36px;
  border: 1.5px solid rgba(108,99,255,0.6);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9997;
  transform: translate(-50%, -50%);
  transition: all 0.12s ease;
  backdrop-filter: blur(2px);
}

body.cursor-hover #cursor { width: 16px; height: 16px; background: var(--accent-2); }
body.cursor-hover #cursor-follower { width: 50px; height: 50px; border-color: var(--accent-2); }

/* =========================================
   NAVBAR
   ========================================= */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 60px;
  transition: all 0.4s ease;
}

#navbar.scrolled {
  padding: 16px 60px;
  background: rgba(2,4,8,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  text-shadow: 0 0 20px var(--accent-glow);
  cursor: pointer;
}

.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  position: relative;
  transition: color var(--transition);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width var(--transition);
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(2,4,8,0.97);
  z-index: 999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.mobile-menu.active { display: flex; }

.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: 30px;
  text-align: center;
}

.mobile-nav-link {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: color 0.3s;
}

.mobile-nav-link:hover { color: var(--accent); }

/* =========================================
   HERO SECTION
   ========================================= */
#hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 120px 80px 60px;
  gap: 60px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.3);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 0.8rem;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(-20px);
}

.tag-dot {
  width: 6px; height: 6px;
  background: #00d4aa;
  border-radius: 50%;
  animation: blink 1.5s ease infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  margin-bottom: 20px;
  overflow: hidden;
}

.name-line {
  display: block;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent) 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transform: translateY(100%);
  opacity: 0;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 24px;
  min-height: 2.2rem;
  opacity: 0;
}

.cursor-blink {
  color: var(--accent);
  animation: blink 0.8s step-end infinite;
}

.hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  opacity: 0;
}

.hero-cta {
  display: flex;
  gap: 20px;
  margin-bottom: 50px;
  opacity: 0;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--accent), #8b7fff);
  color: white;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all var(--transition);
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 30px var(--accent-glow);
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #8b7fff, var(--accent-2));
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover::before { opacity: 1; }

.btn-primary span, .btn-primary svg { position: relative; z-index: 1; }

.btn-primary svg { width: 18px; height: 18px; transition: transform 0.3s; }
.btn-primary:hover svg { transform: translateX(4px); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: transparent;
  color: var(--text-primary);
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid var(--border);
  transition: all var(--transition);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(108,99,255,0.08);
}

.btn-full { width: 100%; justify-content: center; border-radius: 12px; }

.hero-stats {
  display: flex;
  align-items: center;
  gap: 30px;
  opacity: 0;
}

.stat {
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-plus {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.stat p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero 3D Canvas */
.hero-3d-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

#hero-canvas {
  width: 100%;
  height: 520px;
}

/* Scroll hint */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: scrollFade 3s ease 3s infinite;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: var(--font-mono);
  letter-spacing: 2px;
}

@keyframes scrollFade {
  0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
  40%, 60% { opacity: 0.6; transform: translateX(-50%) translateY(-8px); }
}

.scroll-mouse {
  width: 22px; height: 35px;
  border: 1.5px solid var(--text-muted);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 3px; height: 6px;
  background: var(--text-muted);
  border-radius: 2px;
  animation: scrollWheel 1.5s ease infinite;
}

@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* =========================================
   ABOUT SECTION
   ========================================= */
#about {
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(108,99,255,0.04) 0%, transparent 70%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.about-card-3d {
  width: 280px;
  height: 380px;
  perspective: 800px;
  transform-style: preserve-3d;
}

.card-face {
  width: 100%;
  height: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(108,99,255,0.05);
  transition: box-shadow 0.3s;
}

.about-card-3d:hover .card-face {
  box-shadow: var(--shadow-card), 0 0 40px var(--accent-glow);
}

.about-avatar {
  position: relative;
  width: 120px;
  height: 120px;
}

.avatar-rings {
  position: absolute;
  inset: -20px;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid;
  animation: spinRing linear infinite;
}

.ring-1 {
  inset: 5px;
  border-color: rgba(108,99,255,0.3);
  animation-duration: 6s;
}

.ring-2 {
  inset: 0;
  border-color: rgba(255,107,157,0.2);
  animation-duration: 10s;
  animation-direction: reverse;
}

.ring-3 {
  inset: -5px;
  border-color: rgba(0,212,170,0.15);
  animation-duration: 14s;
}

@keyframes spinRing {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.avatar-core {
  position: absolute;
  inset: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: white;
  box-shadow: 0 0 30px var(--accent-glow);
}

.about-card-info {
  text-align: center;
}

.about-card-info h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.about-card-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.card-badges {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.badge {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.floating-chips {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.chip {
  position: absolute;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 6px 14px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  animation: floatChip ease-in-out infinite;
  backdrop-filter: blur(8px);
}

.chip-1 { top: 10%; left: -60px; animation-duration: 4s; animation-delay: 0s; border-color: rgba(108,99,255,0.3); color: var(--accent); }
.chip-2 { top: 30%; right: -55px; animation-duration: 5s; animation-delay: 1s; border-color: rgba(255,107,157,0.3); color: var(--accent-2); }
.chip-3 { bottom: 25%; left: -70px; animation-duration: 6s; animation-delay: 0.5s; border-color: rgba(0,212,170,0.3); color: var(--accent-3); }
.chip-4 { bottom: 10%; right: -60px; animation-duration: 4.5s; animation-delay: 1.5s; border-color: rgba(108,99,255,0.3); color: var(--accent); }

@keyframes floatChip {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.9;
}

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

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 30px;
}

.detail-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: all var(--transition);
}

.detail-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.detail-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.detail-item strong {
  display: block;
  font-size: 0.8rem;
  color: var(--text-primary);
  margin-bottom: 2px;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.detail-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* =========================================
   SKILLS SECTION
   ========================================= */
#skills {
  background: radial-gradient(ellipse 60% 60% at 80% 50%, rgba(255,107,157,0.03) 0%, transparent 70%);
}

.skills-3d-container {
  width: 100%;
  height: 300px;
  margin-bottom: 60px;
  position: relative;
}

#skills-canvas {
  width: 100%;
  height: 100%;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  opacity: 0;
  transform: translateY(30px);
  position: relative;
  overflow: hidden;
}

.skill-category::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.skill-category:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(108,99,255,0.15);
}

.skill-category:hover::before { transform: scaleX(1); }

.skill-cat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.skill-cat-icon {
  font-size: 1.4rem;
}

.skill-cat-header h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.skill-tag {
  background: rgba(108,99,255,0.08);
  border: 1px solid rgba(108,99,255,0.15);
  border-radius: 50px;
  padding: 5px 12px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: default;
  transition: all 0.3s ease;
  position: relative;
}

.skill-tag:hover {
  background: rgba(108,99,255,0.2);
  border-color: var(--accent);
  color: var(--text-primary);
  transform: scale(1.05);
}

/* =========================================
   EXPERIENCE / TIMELINE
   ========================================= */
#experience {
  background: radial-gradient(ellipse 60% 60% at 20% 50%, rgba(0,212,170,0.03) 0%, transparent 70%);
}

.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline-line {
  position: absolute;
  left: 0;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent-2), transparent);
  opacity: 0.3;
}

.timeline-item {
  position: relative;
  margin-bottom: 50px;
  opacity: 0;
  transform: translateX(-30px);
}

.timeline-dot {
  position: absolute;
  left: -45px;
  top: 28px;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent-glow);
  border: 2px solid var(--bg-dark);
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.timeline-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(108,99,255,0.05), transparent 70%);
  pointer-events: none;
}

.timeline-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 20px 60px rgba(108,99,255,0.12);
  transform: translateX(8px);
}

.tc-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.tc-company-logo {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.tc-info {
  flex: 1;
}

.tc-info h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.tc-company {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  margin-right: 10px;
}

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

.tc-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 5px 12px;
  white-space: nowrap;
  margin-left: auto;
}

.tc-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
  font-style: italic;
}

.tc-bullets {
  list-style: none;
  margin-bottom: 20px;
}

.tc-bullets li {
  font-size: 0.875rem;
  color: var(--text-secondary);
  padding: 4px 0 4px 18px;
  position: relative;
  line-height: 1.6;
}

.tc-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}

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

.tc-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tc-tech span {
  font-size: 0.72rem;
  color: var(--accent);
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 50px;
  padding: 3px 10px;
  font-family: var(--font-mono);
}

/* =========================================
   PROJECTS SECTION
   ========================================= */
#projects {
  background: radial-gradient(ellipse 80% 60% at 50% 80%, rgba(255,107,157,0.04) 0%, transparent 70%);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
  cursor: pointer;
}

.project-card.featured {
  grid-column: span 5;
}

.project-card:not(.featured):nth-child(2),
.project-card:not(.featured):nth-child(3) {
  grid-column: span 4;
}

.project-card:not(.featured):nth-child(4),
.project-card:not(.featured):nth-child(5) {
  grid-column: span 6;
}

.project-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, rgba(108,99,255,0.08), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.project-card:hover .project-glow { opacity: 1; }

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 40px rgba(108,99,255,0.1);
}

.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.project-icon {
  font-size: 2rem;
}

.project-badge {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  color: var(--accent-3);
  background: rgba(0,212,170,0.1);
  border: 1px solid rgba(0,212,170,0.2);
  border-radius: 50px;
  padding: 3px 10px;
  letter-spacing: 1px;
}

.project-badge.completed {
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
}

.project-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 4px;
  transition: color 0.3s;
}

.project-card:hover .project-name { color: var(--accent); }

.project-date {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-bottom: 12px;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.project-bullets {
  list-style: none;
  margin-bottom: 20px;
}

.project-bullets li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 3px 0 3px 14px;
  position: relative;
}

.project-bullets li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent-3);
  font-size: 0.7rem;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tech span {
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 3px 10px;
  font-family: var(--font-mono);
  transition: all 0.3s;
}

.project-card:hover .project-tech span {
  border-color: rgba(108,99,255,0.2);
  color: var(--accent);
}

/* =========================================
   ACHIEVEMENTS SECTION
   ========================================= */
#achievements {
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(108,99,255,0.05) 0%, transparent 70%);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: scale(0.9);
}

.achievement-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition);
}

.achievement-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(108,99,255,0.15);
}

.achievement-card:hover::before { transform: scaleX(1); }

.ach-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.ach-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.achievement-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.achievement-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* =========================================
   CONTACT SECTION
   ========================================= */
#contact {
  background: radial-gradient(ellipse 80% 60% at 50% 100%, rgba(0,212,170,0.04) 0%, transparent 70%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-intro {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
}

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

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.contact-item:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  transform: translateX(6px);
}

.ci-icon {
  width: 42px; height: 42px;
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ci-icon svg { width: 18px; height: 18px; color: var(--accent); }

.contact-item strong {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 2px;
}

.contact-item p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(10px);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: 0.9rem;
  transition: all var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  background: rgba(108,99,255,0.05);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

/* =========================================
   FOOTER
   ========================================= */
footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 40px 80px;
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
}

.footer-content p {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px 12px;
}

/* =========================================
   SCROLL ANIMATIONS UTILITY
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  #hero {
    grid-template-columns: 1fr;
    padding: 120px 40px 80px;
    text-align: center;
  }

  .hero-3d-container { order: -1; }
  #hero-canvas { height: 300px; }

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

  .about-grid { grid-template-columns: 1fr; gap: 50px; }
  .about-visual { display: none; }
  .about-details { grid-template-columns: 1fr; }

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

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

  .projects-grid {
    grid-template-columns: 1fr;
  }
  .project-card.featured,
  .project-card:not(.featured) {
    grid-column: span 1;
  }

  .contact-grid { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 768px) {
  :root { --section-padding: 80px 0; }

  #navbar { padding: 20px 24px; }
  #navbar.scrolled { padding: 14px 24px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .section-container { padding: 0 24px; }

  #hero { padding: 100px 24px 60px; }

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

  footer { padding: 30px 24px; }
  .footer-content { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .achievements-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 20px; }
  .stat-divider { width: 50px; height: 1px; }
}

/* =========================================
   NOISE TEXTURE OVERLAY
   ========================================= */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* =========================================
   TOAST NOTIFICATION
   ========================================= */
.toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: rgba(0,212,170,0.15);
  border: 1px solid rgba(0,212,170,0.3);
  color: var(--accent-3);
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  z-index: 9999;
  backdrop-filter: blur(10px);
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

/* =========================================
   TILT EFFECT
   ========================================= */
[data-tilt] {
  transform-style: preserve-3d;
}

/* =========================================
   CROSS-HIGHLIGHTING STYLES
   ========================================= */
.dimmed {
  opacity: 0.2 !important;
  transform: scale(0.98);
  filter: grayscale(80%);
  transition: all 0.4s ease;
}

.highlighted {
  opacity: 1 !important;
  transform: translateY(-6px) scale(1.02);
  border-color: var(--accent);
  box-shadow: var(--shadow-card), 0 0 30px var(--accent-glow);
  z-index: 10;
}

.skill-tag.highlighted {
  background: var(--accent);
  color: white;
  transform: scale(1.1);
}

/* =========================================
   INTERACTIVE TOOLTIP
   ========================================= */
.tech-tooltip {
  position: fixed;
  top: 0; left: 0;
  background: rgba(4, 8, 16, 0.95);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  padding: 16px;
  width: 280px;
  max-width: 90vw;
  box-shadow: var(--shadow-card), 0 0 40px rgba(108, 99, 255, 0.15);
  backdrop-filter: blur(12px);
  z-index: 10000;
  pointer-events: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.95);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), visibility 0.3s;
}

.tech-tooltip.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.tech-tooltip-header {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  display: flex;
  align-items: center;
  gap: 8px;
}

.tech-tooltip-section {
  margin-bottom: 12px;
}

.tech-tooltip-section:last-child {
  margin-bottom: 0;
}

.tech-tooltip-subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}

.tech-tooltip-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tech-tooltip-list li {
  font-size: 0.85rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.tech-tooltip-list li::before {
  content: '▸';
  color: var(--accent-3);
  font-size: 0.8rem;
}