:root {
  --bg: #080c10;
  --surface: #0d1117;
  --surface2: #111820;
  --border: #1e2d3d;
  --cyan: #00e5ff;
  --green: #00ff9d;
  --white: #e8f0f8;
  --muted: #5a7a90;
  --accent-glow: rgba(0,229,255,0.15);
}

/* Light Mode */
[data-theme="light"] {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface2: #eef1f5;
  --border: #d1d9e0;
  --cyan: #0088cc;
  --green: #00a86b;
  --white: #1a1a2e;
  --muted: #5a6a7a;
  --accent-glow: rgba(0,136,204,0.15);
}

[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(0,136,204,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,136,204,0.05) 1px, transparent 1px);
}

[data-theme="light"] nav.scrolled {
  background: rgba(255,255,255,0.9);
}

[data-theme="light"] .hero-name .line2 {
  -webkit-text-stroke: 1px rgba(0,136,204,0.5);
}

[data-theme="light"] .terminal {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}
[data-theme="light"] .terminal-bar {
  background: #f1f5f9;
  border-bottom-color: #e2e8f0;
}
[data-theme="light"] .terminal-body {
  color: #334155;
}
[data-theme="light"] .t-prompt { color: #0088cc; }
[data-theme="light"] .t-cmd { color: #059669; }
[data-theme="light"] .t-comment { color: #64748b; }
[data-theme="light"] .t-key { color: #c2410c; }
[data-theme="light"] .t-string { color: #15803d; }

[data-theme="light"] .cursor {
  mix-blend-mode: multiply;
}

[data-theme="light"] .timeline-body::before {
  background: var(--surface);
}

/* Light Hero Section - default light, respects dark mode */
#hero {
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  position: relative;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,136,204,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,136,204,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
#hero .hero-content { position: relative; z-index: 1; }
#hero .hero-name { color: #0f172a; }
#hero .hero-name .line2 {
  -webkit-text-stroke: 1.5px #0088cc;
  color: transparent;
}
#hero .hero-tagline { color: #475569; }
#hero .hero-tag {
  background: rgba(0,136,204,0.08);
  border-color: rgba(0,136,204,0.25);
  color: #0077b6;
}
#hero .hero-tag::before { background: #10b981; }
#hero .hero-badges { border-top-color: #e2e8f0; }
#hero .hero-badge {
  background: rgba(0,136,204,0.08);
  border-color: rgba(0,136,204,0.2);
  color: #334155;
}
#hero .btn-primary {
  background: #0088cc;
  border-color: #0088cc;
  color: #fff;
}
#hero .btn-primary:hover {
  background: transparent;
  color: #0088cc;
}
#hero .btn-secondary {
  color: #334155;
  border-color: #cbd5e1;
}
#hero .btn-secondary:hover {
  border-color: #0088cc;
  color: #0088cc;
}
#hero .hero-bg-orb.orb1 {
  background: radial-gradient(circle, rgba(0,136,204,0.15), transparent 70%);
}
#hero .hero-bg-orb.orb2 {
  background: radial-gradient(circle, rgba(16,185,129,0.1), transparent 70%);
}

/* Dark mode hero */
[data-theme="dark"] #hero {
  background: linear-gradient(180deg, var(--bg) 0%, var(--surface) 100%);
}
[data-theme="dark"] #hero::before {
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
}
[data-theme="dark"] #hero .hero-name { color: var(--white); }
[data-theme="dark"] #hero .hero-name .line2 {
  -webkit-text-stroke: 1.5px var(--cyan);
}
[data-theme="dark"] #hero .hero-tagline { color: var(--muted); }
[data-theme="dark"] #hero .hero-tag {
  background: rgba(0,229,255,0.06);
  border-color: rgba(0,229,255,0.2);
  color: var(--cyan);
}
[data-theme="dark"] #hero .hero-tag::before { background: var(--green); }
[data-theme="dark"] #hero .hero-badges { border-top-color: var(--border); }
[data-theme="dark"] #hero .hero-badge {
  background: rgba(0,229,255,0.08);
  border-color: rgba(0,229,255,0.2);
  color: var(--white);
}
[data-theme="dark"] #hero .btn-primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--bg);
}
[data-theme="dark"] #hero .btn-primary:hover {
  background: transparent;
  color: var(--cyan);
}
[data-theme="dark"] #hero .btn-secondary {
  color: var(--white);
  border-color: var(--border);
}
[data-theme="dark"] #hero .btn-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
[data-theme="dark"] #hero .hero-bg-orb.orb1 {
  background: radial-gradient(circle, rgba(0,229,255,0.12), transparent 70%);
}
[data-theme="dark"] #hero .hero-bg-orb.orb2 {
  background: radial-gradient(circle, rgba(0,255,157,0.08), transparent 70%);
}

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

html { 
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: 'Syne', sans-serif;
  overflow-x: hidden;
  cursor: auto;
}

/* Grid background */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(0,229,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,229,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 3rem;
  border-bottom: 1px solid transparent;
  transition: all 0.4s ease;
  backdrop-filter: blur(0px);
}
nav.scrolled {
  background: rgba(8,12,16,0.85);
  border-color: var(--border);
  backdrop-filter: blur(20px);
}
.nav-logo {
  font-family: 'Space Mono', monospace;
  font-size: 0.9rem;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 0.05em;
}

/* Theme Toggle */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 1.5rem;
}
.theme-toggle:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 15px var(--accent-glow);
}
.theme-icon {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}
.theme-toggle:hover .theme-icon {
  transform: rotate(20deg);
}
.nav-logo span { color: var(--muted); }
.nav-links { display: flex; gap: 2.5rem; list-style: none; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s;
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute; bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width 0.3s ease;
}
.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { width: 100%; }

/* Mobile menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}
.menu-toggle span {
  width: 25px;
  height: 2px;
  background: var(--cyan);
  transition: all 0.3s ease;
}

/* HERO */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 8rem 3rem 4rem;
  overflow: hidden;
  z-index: 1;
}

.hero-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.orb1 {
  width: 500px; height: 500px;
  top: -100px; right: -100px;
  animation: floatOrb 8s ease-in-out infinite;
}
.orb2 {
  width: 350px; height: 350px;
  bottom: 50px; left: 10%;
  animation: floatOrb 11s ease-in-out infinite reverse;
}

@keyframes floatOrb {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-30px); }
}

.hero-content { max-width: 1100px; margin: 0 auto; width: 100%; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(0,229,255,0.06);
  border: 1px solid rgba(0,229,255,0.2);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--cyan);
  letter-spacing: 0.08em;
  margin-bottom: 2rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s forwards;
}
.hero-tag::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-name {
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s forwards;
}
.hero-name .line2 {
  display: block;
  -webkit-text-stroke: 1px rgba(0,229,255,0.4);
  color: transparent;
}

.hero-tagline {
  font-family: 'Space Mono', monospace;
  font-size: clamp(0.85rem, 1.5vw, 1rem);
  color: var(--muted);
  max-width: 520px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s forwards;
}

/* Rotating Text */
.rotating-text {
  font-family: 'Syne', sans-serif;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--cyan);
  margin-bottom: 1.5rem;
  height: 1.5em;
  line-height: 1.5;
}
.rotating-words {
  display: inline-block;
  height: 1.5em;
  overflow: hidden;
  vertical-align: top;
}
.rotating-words span {
  display: block;
  height: 1.5em;
  animation: rotateText 10s infinite;
}
@keyframes rotateText {
  0%, 20% { transform: translateY(0); }
  25%, 45% { transform: translateY(-100%); }
  50%, 70% { transform: translateY(-200%); }
  75%, 95% { transform: translateY(-300%); }
  100% { transform: translateY(-400%); }
}

.hero-ctas {
  display: flex; gap: 1rem; flex-wrap: wrap;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s forwards;
}
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--cyan);
  color: var(--bg);
  border: 1px solid var(--cyan);
}
.btn-primary:hover {
  background: transparent;
  color: var(--cyan);
  box-shadow: 0 0 30px rgba(0,229,255,0.3);
}
.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  opacity: 0;
  animation: fadeUp 0.8s 1.2s forwards;
}
.scroll-text {
  font-family: 'Space Mono', monospace;
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.5; transform: scaleY(0.6); }
}
#hero .scroll-indicator .scroll-text { color: #64748b; }
#hero .scroll-indicator .scroll-line { background: linear-gradient(to bottom, #0088cc, transparent); }
[data-theme="dark"] #hero .scroll-indicator .scroll-text { color: var(--muted); }
[data-theme="dark"] #hero .scroll-indicator .scroll-line { background: linear-gradient(to bottom, var(--cyan), transparent); }

.hero-badges {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  opacity: 0;
  animation: fadeUp 0.8s 1s forwards;
}
.hero-badge {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

/* TERMINAL BIO */
#about {
  position: relative; z-index: 1;
  padding: 6rem 3rem;
  max-width: 1100px; margin: 0 auto;
}
.section-label {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: 1rem;
}
.section-label::after {
  content: '';
  flex: 1; max-width: 60px;
  height: 1px; background: var(--cyan);
  opacity: 0.4;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

.terminal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.03);
}
.terminal-bar {
  background: #0d1117;
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.2rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }
.terminal-title {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
  margin-left: 0.5rem;
}
.terminal-body {
  padding: 2rem;
  font-family: 'Space Mono', monospace;
  font-size: 0.85rem;
  line-height: 2;
}
.t-prompt { color: var(--cyan); }
.t-cmd { color: var(--green); }
.t-comment { color: var(--muted); font-style: italic; }
.t-key { color: #ff8c42; }
.t-val { color: var(--white); }
.t-string { color: #c3e88d; }

/* SKILLS */
#skills {
  position: relative; z-index: 1;
  padding: 6rem 3rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.skills-inner { max-width: 1100px; margin: 0 auto; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 2.5rem;
}
.skill-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.25rem;
  text-align: center;
  transition: all 0.3s ease;
  cursor: pointer;
}
.skill-card:hover {
  border-color: var(--cyan);
  background: rgba(0,229,255,0.05);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,229,255,0.1);
}
.skill-icon {
  font-size: 1.8rem;
  margin-bottom: 0.6rem;
  display: block;
}
.skill-name {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.skill-card:hover .skill-name { color: var(--cyan); }

.skills-categories { display: flex; flex-direction: column; gap: 3rem; }
.skills-cat-title {
  font-size: 0.75rem;
  font-family: 'Space Mono', monospace;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* EXPERIENCE */
#experience {
  position: relative; z-index: 1;
  padding: 6rem 3rem 3rem;
  max-width: 1100px; margin: 0 auto;
}

/* EDUCATION */
#education {
  position: relative; z-index: 1;
  padding: 2rem 3rem 6rem;
  max-width: 1100px; margin: 0 auto;
}

.timeline { margin-top: 2.5rem; }
.timeline-item {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 1.5rem;
  margin-bottom: 3rem;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 160px;
  top: 10px; bottom: -3rem;
  width: 1px;
  background: var(--border);
}
.timeline-item:last-child::before { display: none; }
.timeline-date {
  font-family: 'Space Mono', monospace;
  font-size: 0.75rem;
  color: var(--muted);
  padding-top: 0.25rem;
  padding-right: 1rem;
  text-align: right;
  line-height: 1.6;
  white-space: nowrap;
}
.timeline-body {
  padding-left: 2rem;
  position: relative;
}
.timeline-body::before {
  content: '';
  position: absolute;
  left: -5px; top: 8px;
  width: 10px; height: 10px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 0 10px var(--cyan);
}
.timeline-role {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}
.timeline-company {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  color: var(--cyan);
  margin-bottom: 0.75rem;
}
.timeline-desc {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}
.timeline-tags {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  margin-top: 0.8rem;
}
.tag {
  font-family: 'Space Mono', monospace;
  font-size: 0.68rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--muted);
  letter-spacing: 0.05em;
}

/* PROJECTS */
#projects {
  position: relative; z-index: 1;
  padding: 6rem 3rem;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.projects-inner { max-width: 1100px; margin: 0 auto; }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.project-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2rem;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.project-card:hover::before { transform: scaleX(1); }
.project-card:hover {
  border-color: rgba(0,229,255,0.3);
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.project-icon {
  font-size: 2rem; margin-bottom: 1rem; display: block;
}
.project-title {
  font-size: 1.1rem; font-weight: 700;
  margin-bottom: 0.6rem;
}
.project-desc {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 1.2rem;
}
.project-link {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--cyan);
  text-decoration: none;
  letter-spacing: 0.08em;
  display: inline-flex; align-items: center; gap: 0.4rem;
  transition: gap 0.2s;
}
.project-link:hover { gap: 0.7rem; }

/* CONTACT */
#contact {
  position: relative; z-index: 1;
  padding: 8rem 3rem;
  max-width: 1100px; margin: 0 auto;
  text-align: center;
}
.contact-headline {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}
.contact-headline .accent { color: var(--cyan); }
.contact-sub {
  font-size: 1rem;
  color: var(--muted);
  font-family: 'Space Mono', monospace;
  margin-bottom: 3rem;
  line-height: 1.8;
  max-width: 480px;
  margin-left: auto; margin-right: auto;
}
.contact-links {
  display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap;
}

/* FOOTER */
footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 2rem 3rem;
  display: flex; justify-content: space-between; align-items: center;
}
.footer-logo {
  font-family: 'Space Mono', monospace;
  font-size: 0.8rem;
  color: var(--muted);
}
.footer-copy {
  font-family: 'Space Mono', monospace;
  font-size: 0.72rem;
  color: var(--muted);
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  nav { padding: 1rem 1.5rem; }
  .nav-links { 
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(8,12,16,0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1rem 1.5rem;
    gap: 1rem;
    border-bottom: 1px solid var(--border);
  }
  [data-theme="light"] .nav-links {
    background: rgba(255,255,255,0.95);
  }
  .nav-links.active { display: flex; }
  .menu-toggle { display: flex; }
  .theme-toggle { margin-left: auto; margin-right: 1rem; }
  #hero { padding: 7rem 1.5rem 3rem; }
  .scroll-indicator { display: none; }
  .hero-name { 
    font-size: clamp(2rem, 10vw, 3.5rem); 
    white-space: nowrap;
  }
  .hero-badges { gap: 0.5rem; }
  .hero-badge { font-size: 0.68rem; padding: 0.4rem 0.8rem; }
  .timeline-item { grid-template-columns: 1fr; }
  .timeline-item::before { display: none; }
  .timeline-date { text-align: left; margin-bottom: 0.5rem; }
  .timeline-body { padding-left: 1.5rem; }
  #about, #experience, #contact { padding: 4rem 1.5rem; }
  #skills, #projects { padding: 4rem 1.5rem; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}