/* ===== VARIABLES ===== */
:root {
  --cyan: #00fff5;
  --magenta: #ff00aa;
  --yellow: #ffee00;
  --purple: #9d00ff;
  --green: #00ff88;
  --red: #ff003c;
  --dark: #020408;
  --dark2: #050b14;
  --dark3: #0a1628;
  --glass: rgba(0, 255, 245, 0.04);
  --glass2: rgba(157, 0, 255, 0.07);
  --font-display: 'Orbitron', monospace;
  --font-mono: 'Share Tech Mono', monospace;
  --font-body: 'Rajdhani', sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--dark);
  color: #e0e8f0;
  font-family: var(--font-body);
  overflow-x: hidden;
  cursor: none;
}

/* ===== SELECTION ===== */
::selection { background: rgba(0,255,245,0.2); color: var(--cyan); }

/* ===== CURSOR ===== */
#cursor-outer {
  position: fixed;
  width: 36px; height: 36px;
  border: 1px solid rgba(0,255,245,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%,-50%);
  transition: all 0.15s ease;
  mix-blend-mode: screen;
}
#cursor-dot {
  position: fixed;
  width: 5px; height: 5px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%,-50%);
  box-shadow: 0 0 8px var(--cyan);
}

/* ===== CANVAS BG ===== */
#bgCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  opacity: 0.5;
  pointer-events: none;
}

/* ===== SCANLINES ===== */
body::after {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.025) 2px, rgba(0,0,0,0.025) 4px);
  pointer-events: none;
  z-index: 1000;
  animation: scanMove 10s linear infinite;
}
@keyframes scanMove { to { background-position: 0 100px; } }

/* ===== GLITCH OVERLAY ===== */
.glitch-overlay {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 999;
  animation: glitchOv 9s infinite; opacity: 0;
}
@keyframes glitchOv {
  0%, 93%, 100% { opacity: 0; }
  94% { opacity: 1; background: rgba(0,255,245,0.015); transform: translateX(2px); }
  96% { opacity: 1; background: rgba(255,0,170,0.015); transform: translateX(-2px); }
  98% { opacity: 0; }
}

/* ===== PROGRESS BAR ===== */
#progress-bar {
  position: fixed; top: 0; left: 0;
  height: 2px; width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--magenta));
  z-index: 1001; transition: width 0.1s;
  box-shadow: 0 0 12px var(--cyan);
}

/* ===== LOADER ===== */
#loader {
  position: fixed; inset: 0;
  background: var(--dark); z-index: 9000;
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.8s ease, visibility 0.8s;
  overflow: hidden;
}
#loader.hide { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-matrix {
  position: absolute; inset: 0;
  font-family: var(--font-mono); font-size: 0.65rem;
  color: rgba(0,255,245,0.07); line-height: 1.4;
  overflow: hidden; pointer-events: none;
}
.loader-center {
  display: flex; flex-direction: column; align-items: center;
  position: relative; z-index: 2;
}
.loader-hex {
  width: 120px; height: 140px;
  position: relative; margin-bottom: 30px;
  animation: hexRotate 4s linear infinite;
}
.loader-hex svg { width: 100%; height: 100%; }
.loader-initials {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 900;
  color: var(--cyan); text-shadow: 0 0 30px var(--cyan);
}
@keyframes hexRotate {
  0% { filter: drop-shadow(0 0 10px rgba(0,255,245,0.5)); }
  50% { filter: drop-shadow(0 0 25px rgba(157,0,255,0.8)); }
  100% { filter: drop-shadow(0 0 10px rgba(0,255,245,0.5)); }
}
.loader-bar-wrap {
  width: 280px; height: 2px;
  background: rgba(255,255,255,0.08);
}
.loader-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--magenta));
  transition: width 0.12s;
  box-shadow: 0 0 20px var(--cyan);
}
.loader-text {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: rgba(0,255,245,0.55); letter-spacing: 4px;
  margin-top: 14px; text-align: center;
}
.loader-percent {
  font-family: var(--font-display); font-size: 1.3rem;
  color: var(--cyan); margin-top: 8px; font-weight: 700;
}

/* ===== NAVIGATION ===== */
nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 14px 48px;
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(180deg, rgba(2,4,8,0.97) 0%, transparent 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,255,245,0.08);
  transition: padding 0.3s;
}
nav.scrolled { padding: 10px 48px; }

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 900;
  color: var(--cyan); letter-spacing: 4px;
  text-shadow: 0 0 20px var(--cyan);
  text-decoration: none;
}
.nav-logo span { color: var(--magenta); }

.nav-links {
  display: flex; gap: 28px; list-style: none;
}
.nav-links a {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: rgba(255,255,255,0.5); text-decoration: none;
  letter-spacing: 2px; transition: all 0.3s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute;
  bottom: -3px; left: 0; width: 0; height: 1px;
  background: var(--cyan); transition: width 0.3s;
}
.nav-links a:hover { color: var(--cyan); text-shadow: 0 0 10px var(--cyan); }
.nav-links a:hover::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 16px; }
.nav-status {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--green);
}
.status-dot {
  width: 7px; height: 7px;
  background: var(--green); border-radius: 50%;
  animation: pulse 2s infinite; box-shadow: 0 0 8px var(--green);
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }

.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
}
.nav-hamburger span {
  width: 24px; height: 2px;
  background: var(--cyan); transition: all 0.3s;
  display: block;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* MOBILE MENU */
.mobile-menu {
  position: fixed; top: 0; right: -100%;
  width: 280px; height: 100vh;
  background: rgba(2,4,8,0.98);
  border-left: 1px solid rgba(0,255,245,0.15);
  z-index: 498;
  display: flex; flex-direction: column;
  padding: 100px 40px 40px;
  gap: 24px;
  transition: right 0.4s cubic-bezier(0.77,0,0.18,1);
  backdrop-filter: blur(20px);
}
.mobile-menu.open { right: 0; }
.mob-link {
  font-family: var(--font-mono); font-size: 0.85rem;
  color: rgba(255,255,255,0.7); text-decoration: none;
  letter-spacing: 3px; padding: 10px 0;
  border-bottom: 1px solid rgba(0,255,245,0.08);
  transition: color 0.2s;
}
.mob-link:hover { color: var(--cyan); }

/* ===== MAIN ===== */
main { position: relative; z-index: 2; }

/* ===== SECTION SHARED ===== */
section { position: relative; padding: 110px 60px; }
.section-header { text-align: center; margin-bottom: 80px; }
.section-number {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: rgba(0,255,245,0.4); letter-spacing: 4px;
  display: block; margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900; color: #fff;
  text-shadow: 0 0 40px rgba(255,255,255,0.1);
  letter-spacing: 4px; line-height: 1;
}
.accent { color: var(--cyan); }
.section-sub {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: rgba(255,255,255,0.3); letter-spacing: 5px;
  margin-top: 14px;
}

/* Reveal animations */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ===== HERO ===== */
#hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 100px 40px 60px;
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,255,245,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,245,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridPerspective 20s ease-in-out infinite alternate;
}
@keyframes gridPerspective {
  0% { transform: perspective(600px) rotateX(5deg) scale(1.1); }
  100% { transform: perspective(600px) rotateX(9deg) scale(1.18); }
}
.hero-glow-left {
  position: absolute; left: -200px; top: 50%;
  transform: translateY(-50%);
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(157,0,255,0.25) 0%, transparent 70%);
  filter: blur(80px);
  animation: breathe 5s ease-in-out infinite;
}
.hero-glow-right {
  position: absolute; right: -200px; top: 50%;
  transform: translateY(-50%);
  width: 700px; height: 700px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,255,245,0.15) 0%, transparent 70%);
  filter: blur(80px);
  animation: breathe 5s ease-in-out infinite reverse;
}
@keyframes breathe { 0%,100% { opacity: 0.5; } 50% { opacity: 1; } }
#heroCanvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}
.hero-content {
  text-align: center; position: relative; z-index: 2;
  max-width: 900px; width: 100%;
}
.hero-tag-wrap { animation: fadeInDown 1s ease 0.3s both; }
.hero-tag {
  font-family: var(--font-mono); font-size: 0.72rem;
  color: var(--cyan); letter-spacing: 5px;
  display: inline-block; padding: 6px 16px;
  border: 1px solid rgba(0,255,245,0.25);
  background: rgba(0,255,245,0.04);
  margin-bottom: 24px;
}
.hero-name {
  font-family: var(--font-display); font-weight: 900;
  font-size: clamp(3.5rem, 10vw, 9rem);
  line-height: 0.9; margin-bottom: 20px;
  animation: fadeInUp 1s ease 0.5s both;
}
.hero-name .line1 {
  display: block; color: #fff;
  text-shadow: 0 0 60px rgba(255,255,255,0.15);
  position: relative;
}
.hero-name .line1::before {
  content: attr(data-text); position: absolute;
  left: 2px; top: 0; color: var(--magenta);
  opacity: 0.35; animation: glitch1 4s infinite;
}
.hero-name .line1::after {
  content: attr(data-text); position: absolute;
  left: -2px; top: 0; color: var(--cyan);
  opacity: 0.35; animation: glitch2 4s infinite;
}
@keyframes glitch1 {
  0%,88%,100% { clip-path: none; transform: none; }
  90% { clip-path: inset(20% 0 60% 0); transform: translateX(5px); }
  93% { clip-path: inset(60% 0 10% 0); transform: translateX(-5px); }
}
@keyframes glitch2 {
  0%,85%,100% { clip-path: none; transform: none; }
  87% { clip-path: inset(40% 0 30% 0); transform: translateX(-5px); }
  91% { clip-path: inset(10% 0 70% 0); transform: translateX(4px); }
}
.hero-name .line2 {
  display: block;
  background: linear-gradient(90deg, var(--cyan), var(--purple), var(--magenta), var(--cyan));
  background-size: 200%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientFlow 4s linear infinite;
  filter: drop-shadow(0 0 40px var(--cyan));
}
@keyframes gradientFlow { 0% { background-position: 0%; } 100% { background-position: 200%; } }
.hero-subtitle {
  font-family: var(--font-mono); font-size: 1.1rem; letter-spacing: 4px;
  color: rgba(255,255,255,0.45);
  margin-bottom: 28px;
  animation: fadeInUp 1s ease 0.7s both;
  min-height: 1.5em;
}
.typed-text { color: var(--yellow); }
.type-cursor {
  display: inline-block; width: 2px; height: 1em;
  background: var(--cyan); margin-left: 2px;
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
.hero-desc {
  font-size: 1.05rem; color: rgba(255,255,255,0.55);
  max-width: 520px; margin: 0 auto 32px;
  line-height: 1.9; font-weight: 300;
  animation: fadeInUp 1s ease 0.9s both;
}
.hero-stats-row {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 40px; flex-wrap: wrap;
  animation: fadeInUp 1s ease 1s both;
}
.hero-stat {
  display: flex; flex-direction: column; align-items: center;
  padding: 14px 30px;
  border: 1px solid rgba(0,255,245,0.15);
  background: rgba(0,255,245,0.03);
}
.hero-stat-sep {
  width: 1px; height: 50px;
  background: rgba(0,255,245,0.12);
}
.hstat-n {
  font-family: var(--font-display); font-size: 1.6rem; font-weight: 900;
  color: var(--cyan); text-shadow: 0 0 15px var(--cyan);
}
.hstat-l {
  font-family: var(--font-mono); font-size: 0.58rem;
  color: rgba(255,255,255,0.35); letter-spacing: 2px; margin-top: 4px;
}
.hero-cta {
  display: flex; gap: 20px; justify-content: center; flex-wrap: wrap;
  animation: fadeInUp 1s ease 1.1s both;
}
.btn-primary, .btn-secondary {
  padding: 14px 38px;
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  text-decoration: none; cursor: none; position: relative; overflow: hidden;
  transition: all 0.35s;
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
  display: inline-block;
}
.btn-primary {
  border: 2px solid var(--cyan);
  background: linear-gradient(135deg, rgba(0,255,245,0.12), rgba(0,255,245,0.04));
  color: var(--cyan);
}
.btn-secondary {
  border: 2px solid var(--magenta);
  background: linear-gradient(135deg, rgba(255,0,170,0.12), rgba(255,0,170,0.04));
  color: var(--magenta);
}
.btn-primary::before, .btn-secondary::before {
  content: ''; position: absolute; inset: 0;
  transform: translateX(-100%); transition: transform 0.35s;
}
.btn-primary::before { background: var(--cyan); }
.btn-secondary::before { background: var(--magenta); }
.btn-primary:hover { color: var(--dark); text-shadow: none; }
.btn-secondary:hover { color: var(--dark); }
.btn-primary:hover::before, .btn-secondary:hover::before { transform: translateX(0); }
.btn-primary span, .btn-secondary span { position: relative; z-index: 1; }
.hero-scroll-hint {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  animation: fadeInUp 1s ease 1.5s both;
}
.scroll-line {
  width: 1px; height: 55px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  animation: scrollPulse 2.5s ease infinite;
}
@keyframes scrollPulse { 0%,100% { opacity: 0.3; transform: scaleY(1); } 50% { opacity: 1; transform: scaleY(1.2); } }
.scroll-text { font-family: var(--font-mono); font-size: 0.6rem; color: rgba(0,255,245,0.4); letter-spacing: 4px; }

/* ===== NEON DIVIDER ===== */
.neon-divider {
  height: 1px; width: 100%;
  background: linear-gradient(90deg, transparent 0%, var(--cyan) 20%, var(--purple) 50%, var(--magenta) 80%, transparent 100%);
  opacity: 0.35;
}

/* ===== ABOUT ===== */
#about { background: var(--dark2); }
.about-grid {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: 80px; align-items: center; max-width: 1100px; margin: 0 auto;
}
.about-avatar-wrap { display: flex; justify-content: center; }
.avatar-outer { position: relative; }
.avatar-rings {
  position: absolute; inset: -30px; border-radius: 50%;
  border: 1px solid rgba(0,255,245,0.15);
  animation: orbitSpin 12s linear infinite;
}
.avatar-rings::before, .avatar-rings::after {
  content: ''; position: absolute; inset: 10px;
  border-radius: 50%;
  border: 1px solid rgba(157,0,255,0.15);
}
.avatar-rings::after { inset: 20px; animation: orbitSpin 8s linear infinite reverse; }
@keyframes orbitSpin { to { transform: rotate(360deg); } }
.avatar-hex {
  width: 200px; height: 200px; position: relative;
  display: flex; align-items: center; justify-content: center;
}
.avatar-orbit {
  position: absolute; border-radius: 50%;
  display: flex; align-items: flex-start; justify-content: center;
}
.orbit-1 {
  width: 220px; height: 220px;
  animation: orbitSpin 8s linear infinite;
}
.orbit-2 {
  width: 160px; height: 160px;
  animation: orbitSpin 5s linear infinite reverse;
}
.orbit-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan);
  margin-top: 4px;
}
.orbit-2 .orbit-dot { background: var(--magenta); box-shadow: 0 0 12px var(--magenta); }
.avatar-hex-inner {
  width: 160px; height: 160px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: linear-gradient(135deg, rgba(0,255,245,0.12), rgba(157,0,255,0.12));
  border: none;
  display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 2;
}
.avatar-initials {
  font-family: var(--font-display); font-size: 2.5rem; font-weight: 900;
  color: var(--cyan); text-shadow: 0 0 30px var(--cyan);
}
.about-name {
  font-family: var(--font-display); font-size: 2rem; font-weight: 700;
  color: #fff; margin-bottom: 6px; letter-spacing: 2px;
}
.about-tagline {
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--cyan); letter-spacing: 3px; margin-bottom: 24px;
}
.about-text { font-size: 1rem; color: rgba(255,255,255,0.6); line-height: 1.9; margin-bottom: 24px; }
.accent-cyan { color: var(--cyan); }
.accent-yellow { color: var(--yellow); }
.accent-green { color: var(--green); }
.about-tags { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.about-tag {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: rgba(255,255,255,0.5); letter-spacing: 2px;
  padding: 5px 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
}
.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.stat-card {
  background: var(--glass); border: 1px solid rgba(0,255,245,0.12);
  padding: 18px 12px; text-align: center;
  transition: all 0.3s;
  clip-path: polygon(6px 0%, 100% 0%, calc(100% - 6px) 100%, 0% 100%);
}
.stat-card:hover { border-color: var(--cyan); box-shadow: 0 0 20px rgba(0,255,245,0.1); }
.stat-num {
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 900;
  color: var(--cyan); display: block; text-shadow: 0 0 15px var(--cyan);
}
.stat-denom { font-family: var(--font-display); font-size: 1rem; color: var(--cyan); }
.stat-label {
  font-family: var(--font-mono); font-size: 0.58rem;
  color: rgba(255,255,255,0.35); letter-spacing: 2px; display: block; margin-top: 6px;
}

/* ===== SKILLS ===== */
#skills { background: var(--dark3); }
.skills-container { max-width: 1100px; margin: 0 auto; }
.skills-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px; margin-bottom: 60px;
}
.skill-category {
  background: var(--glass); border: 1px solid rgba(0,255,245,0.08);
  padding: 24px;
  transition: all 0.3s;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}
.skill-category:hover { border-color: rgba(0,255,245,0.25); }
.skill-cat-title {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--cyan); letter-spacing: 3px; margin-bottom: 16px;
}
.skill-items { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  font-family: var(--font-mono); font-size: 0.68rem;
  padding: 5px 12px;
  background: rgba(0,255,245,0.05);
  border: 1px solid rgba(0,255,245,0.15);
  color: rgba(255,255,255,0.7); letter-spacing: 1px;
  transition: all 0.2s; cursor: default;
}
.skill-tag:hover,
.skill-tag[data-glow="cyan"]:hover { color: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 10px rgba(0,255,245,0.3); }
.skill-tag[data-glow="magenta"]:hover { color: var(--magenta); border-color: var(--magenta); box-shadow: 0 0 10px rgba(255,0,170,0.3); }
.skill-tag[data-glow="purple"]:hover { color: var(--purple); border-color: var(--purple); box-shadow: 0 0 10px rgba(157,0,255,0.3); }
.skill-tag[data-glow="green"]:hover { color: var(--green); border-color: var(--green); box-shadow: 0 0 10px rgba(0,255,136,0.3); }

/* Skill bars */
.skill-bars-wrap { display: flex; flex-direction: column; gap: 20px; }
.skill-bar-item {}
.skill-bar-label {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono); font-size: 0.72rem;
  color: rgba(255,255,255,0.6); margin-bottom: 8px; letter-spacing: 2px;
}
.skill-pct { color: var(--cyan); }
.skill-bar-track {
  height: 4px; background: rgba(255,255,255,0.07); position: relative; overflow: hidden;
}
.skill-bar-fill {
  height: 100%; width: 0%; transition: width 1.2s cubic-bezier(0.25, 1, 0.5, 1);
  position: relative;
}
.skill-bar-fill::after {
  content: ''; position: absolute; right: 0; top: -2px;
  width: 8px; height: 8px; border-radius: 50%;
}
.cyan-fill { background: linear-gradient(90deg, rgba(0,255,245,0.4), var(--cyan)); }
.cyan-fill::after { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.magenta-fill { background: linear-gradient(90deg, rgba(255,0,170,0.4), var(--magenta)); }
.magenta-fill::after { background: var(--magenta); box-shadow: 0 0 10px var(--magenta); }
.purple-fill { background: linear-gradient(90deg, rgba(157,0,255,0.4), var(--purple)); }
.purple-fill::after { background: var(--purple); box-shadow: 0 0 10px var(--purple); }
.green-fill { background: linear-gradient(90deg, rgba(0,255,136,0.4), var(--green)); }
.green-fill::after { background: var(--green); box-shadow: 0 0 10px var(--green); }

/* ===== EXPERIENCE ===== */
#experience { background: var(--dark); }
.timeline { max-width: 900px; margin: 0 auto; position: relative; padding-left: 60px; }
.timeline-line {
  position: absolute; left: 20px; top: 0; bottom: 0;
  width: 1px; background: linear-gradient(180deg, var(--cyan), var(--purple), var(--magenta), transparent);
}
.timeline-item { position: relative; margin-bottom: 50px; }
.timeline-dot-outer {
  position: absolute; left: -48px; top: 18px;
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--cyan); background: var(--dark);
  display: flex; align-items: center; justify-content: center;
}
.timeline-dot-inner {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2s infinite;
}
.tl-dot-magenta { background: var(--magenta); box-shadow: 0 0 10px var(--magenta); }
.timeline-content {
  background: var(--glass);
  border: 1px solid rgba(0,255,245,0.1);
  padding: 28px 32px;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  transition: all 0.3s;
}
.timeline-content:hover { border-color: rgba(0,255,245,0.3); box-shadow: 0 0 30px rgba(0,255,245,0.05); }
.tl-badge {
  display: inline-block; padding: 2px 10px; margin-bottom: 8px;
  background: rgba(0,255,136,0.1); border: 1px solid var(--green);
  color: var(--green); font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 3px;
  animation: badgePulse 2s infinite;
}
@keyframes badgePulse { 0%,100% { box-shadow: 0 0 5px var(--green); } 50% { box-shadow: 0 0 15px var(--green); } }
.tl-company { font-family: var(--font-display); font-size: 0.7rem; color: var(--cyan); letter-spacing: 3px; margin-bottom: 6px; }
.tl-role { font-family: var(--font-body); font-size: 1.25rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
.tl-date { font-family: var(--font-mono); font-size: 0.68rem; color: var(--magenta); letter-spacing: 2px; margin-bottom: 14px; }
.tl-bullets { list-style: none; }
.tl-bullets li {
  font-size: 0.9rem; color: rgba(255,255,255,0.6);
  margin-bottom: 8px; padding-left: 18px; position: relative; line-height: 1.7;
}
.tl-bullets li::before { content: '▸'; position: absolute; left: 0; color: var(--cyan); font-size: 0.75rem; }

/* ===== PROJECTS ===== */
#projects { background: var(--dark2); }
.projects-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 32px; max-width: 1200px; margin: 0 auto;
}
.project-card {
  background: var(--glass); border: 1px solid rgba(0,255,245,0.1);
  position: relative; overflow: hidden; transition: all 0.4s;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}
.project-card:hover {
  border-color: rgba(0,255,245,0.5);
  transform: translateY(-12px);
  box-shadow: 0 40px 60px rgba(0,0,0,0.5), 0 0 60px rgba(0,255,245,0.08);
}
.project-card-glow {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,255,245,0.05) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.4s;
}
.project-card:hover .project-card-glow { opacity: 1; }
.project-card::before {
  content: attr(data-index);
  position: absolute; top: -20px; right: 20px;
  font-family: var(--font-display); font-size: 5rem; font-weight: 900;
  color: rgba(0,255,245,0.04); pointer-events: none; z-index: 0;
}
.project-header {
  padding: 28px 28px 0;
  display: flex; justify-content: space-between; align-items: flex-start;
  position: relative; z-index: 1;
}
.project-icon-wrap {
  width: 52px; height: 52px;
  background: rgba(0,255,245,0.08); border: 1px solid rgba(0,255,245,0.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; transition: all 0.3s;
}
.project-card:hover .project-icon-wrap { background: rgba(0,255,245,0.18); transform: rotate(8deg) scale(1.08); }
.project-links { display: flex; gap: 6px; }
.proj-link {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.45); text-decoration: none;
  font-family: var(--font-mono); font-size: 0.75rem;
  transition: all 0.2s;
}
.proj-link:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(0,255,245,0.08); }
.project-body { padding: 18px 28px 28px; position: relative; z-index: 1; }
.project-num { font-family: var(--font-mono); font-size: 0.6rem; color: rgba(0,255,245,0.4); letter-spacing: 3px; margin-bottom: 6px; }
.project-title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 700; color: #fff; margin-bottom: 12px; line-height: 1.3; }
.project-desc { font-size: 0.9rem; color: rgba(255,255,255,0.58); line-height: 1.7; margin-bottom: 20px; }
.project-tech { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 18px; }
.tech-tag {
  font-family: var(--font-mono); font-size: 0.6rem;
  padding: 4px 10px; border: 1px solid rgba(255,238,0,0.25);
  color: var(--yellow); background: rgba(255,238,0,0.04); letter-spacing: 1px;
}
.project-highlight {
  font-family: var(--font-mono); font-size: 0.68rem;
  color: var(--green); padding: 10px 14px;
  background: rgba(0,255,136,0.04); border-left: 2px solid var(--green);
  line-height: 1.6;
}

/* ===== CERTIFICATIONS ===== */
#certifications { background: var(--dark3); }
.certs-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 24px; max-width: 1100px; margin: 0 auto;
}
.cert-card {
  background: var(--glass); border: 1px solid rgba(157,0,255,0.18);
  padding: 26px; position: relative; overflow: hidden;
  transition: all 0.35s;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  text-decoration: none; display: block; cursor: pointer;
}
.cert-card:hover {
  border-color: var(--purple); transform: translateY(-8px);
  box-shadow: 0 24px 50px rgba(157,0,255,0.18);
}
.cert-glow-bar {
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--purple), var(--magenta));
}
.cert-icon { font-size: 1.6rem; margin-bottom: 12px; display: block; }
.cert-issuer { font-family: var(--font-mono); font-size: 0.6rem; color: var(--purple); letter-spacing: 3px; margin-bottom: 8px; }
.cert-name { font-family: var(--font-body); font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 10px; line-height: 1.45; }
.cert-year { font-family: var(--font-mono); font-size: 0.65rem; color: rgba(255,255,255,0.3); letter-spacing: 2px; }
.cert-verify {
  display: inline-flex; align-items: center; gap: 4px;
  margin-top: 14px; font-family: var(--font-mono); font-size: 0.62rem;
  color: var(--cyan); letter-spacing: 2px; transition: gap 0.2s;
}
.cert-card:hover .cert-verify { gap: 10px; }

/* ===== ACHIEVEMENTS ===== */
#achievements { background: var(--dark); }
.achievements-wrap { max-width: 900px; margin: 0 auto; }
.achievement-item {
  display: flex; gap: 24px; align-items: flex-start;
  padding: 26px 30px; margin-bottom: 20px;
  background: var(--glass);
  border: 1px solid rgba(255,238,0,0.12);
  transition: all 0.35s;
  clip-path: polygon(12px 0%, 100% 0%, 100% 100%, 0% 100%, 0% 12px);
}
.achievement-item:hover {
  border-color: var(--yellow); transform: translateX(10px);
  box-shadow: -10px 0 40px rgba(255,238,0,0.08);
}
.ach-icon-wrap {
  width: 50px; height: 50px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,238,0,0.07); border: 1px solid rgba(255,238,0,0.2);
  font-size: 1.4rem; transition: all 0.3s;
}
.achievement-item:hover .ach-icon-wrap { background: rgba(255,238,0,0.15); transform: scale(1.08); }
.ach-rank { font-family: var(--font-mono); font-size: 0.6rem; color: var(--yellow); letter-spacing: 3px; margin-bottom: 4px; }
.ach-title { font-family: var(--font-display); font-size: 0.85rem; color: #fff; font-weight: 700; letter-spacing: 1px; margin-bottom: 10px; }
.ach-desc { font-size: 0.9rem; color: rgba(255,255,255,0.55); line-height: 1.75; }
.ach-link {
  display: inline-block; margin-top: 12px;
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--cyan); text-decoration: none; letter-spacing: 2px;
  transition: all 0.2s;
}
.ach-link:hover { color: #fff; }

/* ===== EDUCATION ===== */
#education { background: var(--dark2); }
.edu-timeline { max-width: 800px; margin: 0 auto; position: relative; padding-left: 50px; }
.edu-timeline::before {
  content: ''; position: absolute; left: 12px; top: 0; bottom: 0;
  width: 1px; background: linear-gradient(180deg, var(--cyan), var(--purple), transparent);
}
.edu-item { position: relative; margin-bottom: 40px; }
.edu-dot {
  position: absolute; left: -43px; top: 18px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 14px var(--cyan);
  border: 2px solid var(--dark);
}
.edu-dot-magenta { background: var(--magenta); box-shadow: 0 0 14px var(--magenta); }
.edu-dot-yellow { background: var(--yellow); box-shadow: 0 0 14px var(--yellow); }
.edu-card {
  background: var(--glass); border: 1px solid rgba(0,255,245,0.1);
  padding: 24px 28px; transition: all 0.3s;
}
.edu-card:hover { border-color: rgba(0,255,245,0.3); }
.edu-school { font-family: var(--font-display); font-size: 0.78rem; color: var(--cyan); letter-spacing: 3px; margin-bottom: 6px; }
.edu-degree { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.edu-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; }
.edu-gpa, .edu-loc, .edu-usn {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: rgba(255,255,255,0.5); letter-spacing: 1px;
}
.edu-gpa strong { color: var(--cyan); }
.edu-date { font-family: var(--font-mono); font-size: 0.68rem; color: var(--magenta); letter-spacing: 2px; }

/* ===== DSA LAB ===== */
#dsa { background: var(--dark3); }
.dsa-container { max-width: 1100px; margin: 0 auto; }

.dsa-selector {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.dsa-btn {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 2px;
  padding: 10px 20px;
  background: rgba(0,255,245,0.04); border: 1px solid rgba(0,255,245,0.2);
  color: rgba(255,255,255,0.5); cursor: pointer; transition: all 0.2s;
}
.dsa-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.dsa-btn.active {
  border-color: var(--cyan); color: var(--cyan);
  background: rgba(0,255,245,0.1); box-shadow: 0 0 15px rgba(0,255,245,0.2);
}

.dsa-controls {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  margin-bottom: 20px;
}
.dsa-ctrl-btn {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 2px;
  padding: 10px 24px;
  background: rgba(0,255,245,0.08); border: 1px solid var(--cyan);
  color: var(--cyan); cursor: pointer; transition: all 0.2s;
}
.dsa-ctrl-btn:hover { background: rgba(0,255,245,0.2); }
.dsa-ctrl-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.dsa-speed-wrap {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 0.65rem;
  color: rgba(255,255,255,0.4); letter-spacing: 2px;
}
.dsa-slider {
  -webkit-appearance: none;
  width: 120px; height: 3px; background: rgba(0,255,245,0.2);
  outline: none; cursor: pointer;
}
.dsa-slider::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px;
  border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
.dsa-input-wrap { display: flex; align-items: center; }
.dsa-input {
  background: rgba(0,255,245,0.05); border: 1px solid rgba(0,255,245,0.25);
  color: var(--cyan); font-family: var(--font-mono); font-size: 0.75rem;
  padding: 8px 14px; outline: none; width: 160px;
}
.dsa-input::placeholder { color: rgba(0,255,245,0.3); }

.dsa-vis-wrap {
  position: relative;
  background: rgba(0,0,0,0.4); border: 1px solid rgba(0,255,245,0.12);
  height: 320px; margin-bottom: 20px; overflow: hidden;
}
#dsaCanvas { width: 100%; height: 100%; display: block; }
.dsa-overlay {
  position: absolute; top: 16px; right: 16px;
  text-align: right; pointer-events: none;
}
.dsa-algo-name {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 700;
  color: var(--cyan); opacity: 0.5; letter-spacing: 3px;
}
.dsa-complexity {
  display: flex; gap: 16px; justify-content: flex-end; margin-top: 6px;
  font-family: var(--font-mono); font-size: 0.65rem;
  color: rgba(255,255,255,0.3); letter-spacing: 2px;
}

.dsa-info-panel {
  display: grid; grid-template-columns: 1fr auto;
  gap: 20px; margin-bottom: 20px;
}
.dsa-log {
  background: rgba(0,0,0,0.5); border: 1px solid rgba(0,255,245,0.1);
  padding: 16px; height: 120px; overflow-y: auto;
  font-family: var(--font-mono);
}
.dsa-log::-webkit-scrollbar { width: 4px; }
.dsa-log::-webkit-scrollbar-track { background: transparent; }
.dsa-log::-webkit-scrollbar-thumb { background: rgba(0,255,245,0.2); }
.log-line { font-size: 0.68rem; color: rgba(0,255,245,0.7); margin-bottom: 4px; letter-spacing: 1px; }
.log-line.log-success { color: var(--green); }
.log-line.log-warn { color: var(--yellow); }
.dsa-stats {
  display: flex; flex-direction: column; gap: 10px;
  min-width: 160px;
}
.dsa-stat-item {
  background: rgba(0,0,0,0.4); border: 1px solid rgba(0,255,245,0.1);
  padding: 10px 16px; display: flex; justify-content: space-between; align-items: center;
}
.dsa-stat-label { font-family: var(--font-mono); font-size: 0.58rem; color: rgba(255,255,255,0.35); letter-spacing: 2px; }
.dsa-stat-val { font-family: var(--font-display); font-size: 1rem; color: var(--cyan); font-weight: 700; }

.dsa-code-panel {
  background: rgba(0,0,0,0.5); border: 1px solid rgba(0,255,245,0.1);
  padding: 20px;
}
.dsa-code-title {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: var(--cyan); letter-spacing: 4px; margin-bottom: 14px;
  border-bottom: 1px solid rgba(0,255,245,0.1); padding-bottom: 10px;
}
.dsa-pseudo {
  font-family: var(--font-mono); font-size: 0.75rem;
  color: rgba(255,255,255,0.65); line-height: 1.9;
  white-space: pre-wrap; tab-size: 2;
}
.ps-comment { color: rgba(0,255,245,0.35); }
.ps-key { color: var(--magenta); }
.ps-fn { color: var(--yellow); }
.ps-num { color: var(--green); }
.ps-active-line {
  background: rgba(0,255,245,0.08);
  border-left: 2px solid var(--cyan);
  padding-left: 6px;
  display: inline-block; width: 100%;
}

/* ===== CONTACT ===== */
#contact { background: var(--dark); }
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; max-width: 1100px; margin: 0 auto;
}
.contact-headline {
  font-family: var(--font-display); font-size: 2.2rem; font-weight: 900;
  color: #fff; line-height: 1.2; margin-bottom: 20px;
}
.contact-desc { font-size: 1rem; color: rgba(255,255,255,0.55); line-height: 1.85; margin-bottom: 36px; }
.contact-links { display: flex; flex-direction: column; gap: 14px; }
.contact-link {
  display: flex; gap: 18px; align-items: center;
  padding: 16px 20px;
  background: rgba(0,255,245,0.03); border: 1px solid rgba(0,255,245,0.1);
  text-decoration: none; transition: all 0.3s;
}
.contact-link:hover { border-color: var(--cyan); transform: translateX(8px); background: rgba(0,255,245,0.07); }
.contact-link-icon {
  width: 40px; height: 40px;
  background: rgba(0,255,245,0.08); border: 1px solid rgba(0,255,245,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0; color: var(--cyan);
  font-family: var(--font-mono); font-size: 0.75rem;
}
.contact-link-text { display: flex; flex-direction: column; gap: 2px; }
.contact-link-label { font-family: var(--font-mono); font-size: 0.6rem; color: var(--cyan); letter-spacing: 3px; }
.contact-link-val { font-family: var(--font-body); font-size: 0.95rem; color: rgba(255,255,255,0.7); }

/* Contact Form */
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-label { font-family: var(--font-mono); font-size: 0.65rem; color: var(--cyan); letter-spacing: 3px; }
.form-input, .form-textarea {
  background: rgba(0,255,245,0.04); border: 1px solid rgba(0,255,245,0.18);
  color: #fff; font-family: var(--font-mono); font-size: 0.85rem;
  padding: 14px 18px; outline: none; transition: border-color 0.2s;
  resize: none;
}
.form-input:focus, .form-textarea:focus { border-color: var(--cyan); box-shadow: 0 0 15px rgba(0,255,245,0.08); }
.form-input::placeholder, .form-textarea::placeholder { color: rgba(0,255,245,0.25); }
.form-textarea { height: 130px; }
.form-submit {
  padding: 16px 36px; border: 2px solid var(--cyan);
  background: linear-gradient(135deg, rgba(0,255,245,0.1), rgba(0,255,245,0.04));
  color: var(--cyan); font-family: var(--font-display); font-size: 0.8rem;
  font-weight: 700; letter-spacing: 3px; cursor: pointer; position: relative; overflow: hidden;
  transition: all 0.35s;
  clip-path: polygon(10px 0%, 100% 0%, calc(100% - 10px) 100%, 0% 100%);
}
.form-submit::before {
  content: ''; position: absolute; inset: 0;
  background: var(--cyan); transform: translateX(-100%); transition: transform 0.35s;
}
.form-submit:hover { color: var(--dark); }
.form-submit:hover::before { transform: translateX(0); }
.form-submit span { position: relative; z-index: 1; }

/* ===== FOOTER ===== */
footer {
  position: relative; z-index: 2;
  padding: 40px 60px;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--dark); border-top: 1px solid rgba(0,255,245,0.08);
  flex-wrap: wrap; gap: 20px;
}
.footer-logo {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 900;
  color: var(--cyan); letter-spacing: 4px; text-shadow: 0 0 15px var(--cyan);
}
.footer-logo span { color: var(--magenta); }
.footer-text {
  font-family: var(--font-mono); font-size: 0.65rem;
  color: rgba(255,255,255,0.35); letter-spacing: 2px; text-align: center; line-height: 1.8;
}
.footer-copy { color: rgba(0,255,245,0.2); }
.footer-socials { display: flex; gap: 12px; }
.footer-soc {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(0,255,245,0.2); color: rgba(255,255,255,0.4);
  text-decoration: none; font-family: var(--font-mono); font-size: 0.7rem;
  transition: all 0.2s;
}
.footer-soc:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 12px rgba(0,255,245,0.2); }

/* ===== HEX PARTICLES ===== */
.hex-particle {
  position: fixed; pointer-events: none; z-index: 1; opacity: 0;
  animation: hexFly 10s linear infinite;
  font-family: var(--font-mono); font-size: 0.6rem;
  color: rgba(0,255,245,0.25);
}
@keyframes hexFly {
  0% { opacity: 0; transform: translateY(100vh) rotate(0deg); }
  10% { opacity: 0.4; }
  90% { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-80px) rotate(720deg); }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown { from { opacity: 0; transform: translateY(-30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }

/* ===== CORNER DECORATIONS ===== */
.corner-decorator {
  position: fixed; width: 30px; height: 30px; pointer-events: none; z-index: 998;
}
.corner-tl { top: 16px; left: 16px; border-top: 2px solid rgba(0,255,245,0.4); border-left: 2px solid rgba(0,255,245,0.4); }
.corner-tr { top: 16px; right: 16px; border-top: 2px solid rgba(157,0,255,0.4); border-right: 2px solid rgba(157,0,255,0.4); }
.corner-bl { bottom: 16px; left: 16px; border-bottom: 2px solid rgba(0,255,245,0.4); border-left: 2px solid rgba(0,255,245,0.4); }
.corner-br { bottom: 16px; right: 16px; border-bottom: 2px solid rgba(157,0,255,0.4); border-right: 2px solid rgba(157,0,255,0.4); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  section { padding: 90px 40px; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  nav { padding: 14px 24px; }
  nav.scrolled { padding: 10px 24px; }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; text-align: center; }
  .about-avatar-wrap { justify-content: center; }
  .about-tags { justify-content: center; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-stats-row { gap: 4px; }
  .hero-stat { padding: 10px 18px; }
  .projects-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 40px; }
  .dsa-info-panel { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  section { padding: 70px 20px; }
  .hero-name { font-size: clamp(2.5rem, 14vw, 6rem); }
  .dsa-selector { gap: 8px; }
  .dsa-btn { font-size: 0.6rem; padding: 8px 14px; }
  .hero-stats-row { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 8px; }
  .hero-stat-sep { display: none; }
  .hero-stat { border: 1px solid rgba(0,255,245,0.15); }
  footer { padding: 30px 20px; flex-direction: column; align-items: center; text-align: center; }
  .dsa-controls { gap: 8px; }
  .certs-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

/* Neon ripple keyframe */
@keyframes ripple {
  to { width: 200px; height: 200px; opacity: 0; }
}