/* ===== CSS Variables & Global Reset ===== */
:root {
  --bg-primary: #050510;
  --bg-secondary: #0a0a1a;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --text-primary: #ffffff;
  --text-secondary: #8892b0;
  --text-muted: #495670;
  --accent-1: #00d4ff;
  --accent-2: #7b2ff7;
  --accent-3: #ff006e;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  --gradient-accent: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --gradient-warm: linear-gradient(135deg, var(--accent-2), var(--accent-3));
  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

::selection {
  background: var(--accent-1);
  color: var(--bg-primary);
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-1) var(--bg-primary);
}

html::-webkit-scrollbar {
  width: 6px;
}

html::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

html::-webkit-scrollbar-thumb {
  background: var(--accent-1);
  border-radius: 3px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
  line-height: 1.6;
}

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

/* ===== Scroll Progress Bar ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: var(--gradient-accent);
  z-index: 10001;
  width: 0%;
  transition: width 0.05s linear;
}

/* ===== Custom Cursor ===== */
.cursor-dot, .cursor-outline {
  position: fixed;
  top: 0;
  left: 0;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 9999;
  pointer-events: none;
  transition: opacity 0.3s;
}

.cursor-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-1);
  box-shadow: 0 0 10px var(--accent-1);
}

.cursor-outline {
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(0, 212, 255, 0.4);
  transition: width 0.25s, height 0.25s, border-color 0.25s, background-color 0.25s;
}

body.hovering .cursor-outline {
  width: 56px;
  height: 56px;
  background-color: rgba(0, 212, 255, 0.08);
  border-color: var(--accent-1);
}

body.touch-device .cursor-dot,
body.touch-device .cursor-outline {
  display: none;
}

body.touch-device {
  cursor: auto;
}

/* ===== Noise Overlay ===== */
.noise-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== Three.js Canvas ===== */
#bg-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: -1;
}

/* ===== Page Loader ===== */
.page-loader {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10002;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 5rem);
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

/* ===== Navigation ===== */
.main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  transition: all 0.4s ease;
  transform: translateY(-100%);
  opacity: 0;
}

.main-nav.visible {
  transform: translateY(0);
  opacity: 1;
}

.main-nav.scrolled {
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.7rem 2rem;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.5rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0%; height: 2px;
  background: var(--gradient-accent);
  transition: width var(--transition);
}

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

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

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

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(5, 5, 16, 0.95);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-menu-links a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-secondary);
  transition: all 0.3s ease;
  letter-spacing: 0.05em;
}

.mobile-menu-links a:hover {
  color: var(--text-primary);
  text-shadow: 0 0 20px var(--accent-1);
}

/* ===== Layout ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

main {
  position: relative;
  z-index: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.section-padding {
  padding: 120px 0;
  position: relative;
}

.section-header {
  margin-bottom: 4rem;
}

.section-tag {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-1);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  display: block;
  width: 60px; height: 3px;
  background: var(--gradient-accent);
  margin-top: 1rem;
  border-radius: 2px;
}

/* ===== Glass Card ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.03) 0%, transparent 50%, rgba(123, 47, 247, 0.03) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.glass-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

/* ===== Hero Section ===== */
.fullscreen-section {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  padding: 2rem;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  opacity: 0;
}

.hero-content.loaded {
  opacity: 1;
}

.profile-container {
  position: relative;
  width: 140px; height: 140px;
  margin-bottom: 2.5rem;
}

#profile-pic {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(0, 212, 255, 0.5);
  position: relative;
  z-index: 2;
}

.pulse-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 1px solid var(--accent-1);
  animation: pulse 2.5s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
  z-index: 1;
}

.pulse-ring.ring-2 {
  animation-delay: 1.2s;
}

@keyframes pulse {
  0% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
  100% { transform: translate(-50%, -50%) scale(1.8); opacity: 0; }
}

#hero-name {
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 800;
  line-height: 0.95;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #fff 0%, #ccc 50%, var(--accent-1) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#hero-title {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.typewriter-container {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2vw, 1.4rem);
  height: 2.2rem;
  margin-bottom: 3rem;
  color: var(--accent-1);
}

.cursor-blink {
  animation: blink 1s infinite;
  color: var(--accent-1);
}

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

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border: none;
  border-radius: 50px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--glass-border-hover);
  border-radius: 50px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-outline:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
  transform: translateY(-2px);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--accent-1), transparent);
  animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
  0% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.5; transform: scaleY(0.5); transform-origin: top; }
  100% { opacity: 1; transform: scaleY(1); }
}

/* ===== About Section ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.stat-card {
  padding: 2rem 1.5rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
  display: block;
}

.about-bio {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.bio-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-secondary);
  font-weight: 300;
}

.bio-text strong {
  color: var(--accent-1);
  font-weight: 600;
}

/* ===== Ticker ===== */
.ticker-wrap {
  width: 100%;
  overflow: hidden;
  padding: 1.2rem 0;
  margin-top: 4rem;
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.ticker {
  display: flex;
  white-space: nowrap;
  width: max-content;
  animation: ticker 30s linear infinite;
}

.ticker-item {
  flex-shrink: 0;
  padding: 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  word-spacing: 0.15em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Quote Section ===== */
.quote-section {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.quote-section::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.4;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  color: var(--text-primary);
}

.hero-quote::before {
  content: '"';
  font-size: 8rem;
  position: absolute;
  top: -3rem; left: -1rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  font-family: serif;
  line-height: 1;
}

/* ===== Projects Section ===== */
.project-filters {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.5rem 1.5rem;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border-color: transparent;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.5rem;
}

.project-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card .project-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.2rem;
  color: var(--bg-primary);
}

.project-card h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.project-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  flex-grow: 1;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.project-tag {
  padding: 0.25rem 0.75rem;
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent-1);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid rgba(0, 212, 255, 0.15);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color var(--transition);
}

.project-link:hover {
  color: var(--accent-1);
}

/* ===== Inventions ===== */
.inventions-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.invention-card {
  padding: 3rem;
}

.invention-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.invention-content {
  flex: 1;
}

.invention-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.invention-name {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
}

.status-badge {
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.status-badge.completed {
  background: rgba(0, 212, 255, 0.12);
  color: var(--accent-1);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.status-badge.in-progress {
  background: rgba(123, 47, 247, 0.12);
  color: var(--accent-2);
  border: 1px solid rgba(123, 47, 247, 0.3);
}

.invention-desc {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 700px;
}

.invention-3d-container {
  width: 200px; height: 200px;
  flex-shrink: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* ===== Ideas ===== */
.ideas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.idea-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.idea-card .idea-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  margin-bottom: 1rem;
  line-height: 1;
}

.idea-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.idea-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  flex-grow: 1;
}

/* ===== Skills Section ===== */
.skills-container {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.skill-category {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
  padding: 2.5rem;
}

.skill-category-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--accent-1);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.skill-category-title::before {
  content: '';
  width: 4px; height: 20px;
  background: var(--gradient-accent);
  border-radius: 2px;
  display: inline-block;
}

.skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

.skill-name {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.skill-name i {
  color: var(--accent-1);
  width: 20px;
  text-align: center;
}

.skill-percent {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent-1);
}

.skill-bar {
  width: 100%; height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 3px;
  width: 0%;
  transition: width 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ===== Achievements ===== */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.achievement-card {
  padding: 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.achievement-card .achievement-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent-1);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.achievement-card.highlight .achievement-icon {
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border: none;
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

.achievement-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.achievement-card .achievement-issuer {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ===== Timeline ===== */
.timeline-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-container::after {
  content: '';
  position: absolute;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-1), var(--accent-2), transparent);
  top: 0; bottom: 0;
  left: 50%;
  margin-left: -1px;
}

.timeline-event {
  padding: 1.5rem 2.5rem;
  position: relative;
  width: 50%;
}

.timeline-event.left {
  left: 0;
  padding-right: 3rem;
}

.timeline-event.right {
  left: 50%;
  padding-left: 3rem;
}

.timeline-event::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  background: var(--bg-primary);
  border: 2px solid var(--accent-1);
  top: 50%;
  transform: translateY(-50%);
  border-radius: 50%;
  z-index: 1;
}

.timeline-event.left::after {
  right: -7px;
}

.timeline-event.right::after {
  left: -7px;
}

.timeline-event.highlight::after {
  background: var(--accent-1);
  box-shadow: 0 0 15px var(--accent-1);
}

.timeline-content {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 1.5rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition);
}

.timeline-content:hover {
  border-color: var(--glass-border-hover);
}

.timeline-event.highlight .timeline-content {
  border-color: rgba(0, 212, 255, 0.3);
}

.timeline-year {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 0.3rem;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.timeline-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ===== Contact Section ===== */
.footer-section {
  padding-bottom: 2rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.socials-grid {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.social-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: all var(--transition);
}

.social-icon:hover {
  background: var(--gradient-accent);
  color: var(--bg-primary);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 212, 255, 0.2);
}

.email-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

#email-text {
  font-size: 1.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-primary);
}

#copy-email {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

#copy-email:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.location-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.location-info i {
  color: var(--accent-1);
}

/* Contact Form */
.contact-form {
  padding: 2.5rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition);
  outline: none;
}

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

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.08);
}

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

.btn-submit {
  width: 100%;
  justify-content: center;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding-top: 3rem;
  margin-top: 4rem;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-domain {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: 0.05em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  text-shadow: none;
  position: relative;
  display: inline-block;
}

.footer-domain::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-accent);
  opacity: 0.4;
  border-radius: 1px;
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
}

@media screen and (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .timeline-container::after {
    left: 20px;
  }

  .timeline-event {
    width: 100%;
    padding-left: 50px;
    padding-right: 15px;
  }

  .timeline-event.left,
  .timeline-event.right {
    left: 0;
    padding-left: 50px;
    padding-right: 15px;
  }

  .timeline-event.left::after,
  .timeline-event.right::after {
    left: 13px;
  }

  .invention-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .invention-layout {
    flex-direction: column;
  }

  .invention-3d-container {
    align-self: center;
    margin-top: 1.5rem;
  }

  #hero-name {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .section-padding {
    padding: 80px 0;
  }

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

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

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

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

  .hero-quote {
    font-size: clamp(1.2rem, 4vw, 1.8rem);
  }

  .hero-quote::before {
    font-size: 5rem;
    top: -2rem;
    left: -0.5rem;
  }
}

@media screen and (max-width: 480px) {
  .about-stats {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .stat-number {
    font-size: 2.2rem;
  }

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

  .container {
    padding: 0 1.25rem;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
    padding: 0 1rem;
  }

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