/* =========================================================
   SURAJ GAIKWAD — PORTFOLIO  |  style.css  (3D Enhanced)
   ========================================================= */

/* ─── RESET & VARIABLES ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }

:root {
  --accent:        #00f5d4;
  --accent2:       #7c3aed;
  --accent3:       #f72585;
  --transition:    0.35s cubic-bezier(0.4,0,0.2,1);
  --radius:        20px;
  --radius-sm:     10px;
  --shadow:        0 20px 60px rgba(0,0,0,0.35);
  --shadow-accent: 0 8px 32px rgba(0,245,212,0.18);
}

[data-theme="dark"] {
  --bg:          #050510;
  --bg2:         #0a0a1a;
  --bg3:         #111128;
  --card:        #0d0d22;
  --card-glass:  rgba(13,13,34,0.92);
  --border:      rgba(255,255,255,0.06);
  --border-h:    rgba(0,245,212,0.3);
  --text:        #e2e2f0;
  --text-muted:  #7878a0;
  --text-dim:    #3a3a5a;
  --nav-bg:      rgba(5,5,16,0.88);
}

[data-theme="light"] {
  --bg:          #f0f0f8;
  --bg2:         #ffffff;
  --bg3:         #e4e4f0;
  --card:        #ffffff;
  --card-glass:  rgba(255,255,255,0.92);
  --border:      rgba(0,0,0,0.08);
  --border-h:    rgba(0,150,140,0.4);
  --text:        #0d0d22;
  --text-muted:  #555570;
  --text-dim:    #aaaac0;
  --nav-bg:      rgba(240,240,248,0.88);
}

body {
  font-family: 'Rajdhani', sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
  cursor: none;
}

/* ─── 3D CANVAS ──────────────────────────────────────────── */
#bgCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* ─── CUSTOM CURSOR ──────────────────────────────────────── */
.cursor-dot {
  position: fixed;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  z-index: 99999;
  transform: translate(-50%, -50%);
}
.cursor-ring {
  position: fixed;
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1.5px solid rgba(0,245,212,0.5);
  pointer-events: none;
  z-index: 99998;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, border-color 0.2s, background 0.2s;
}
.cursor-ring.hovered {
  width: 52px; height: 52px;
  border-color: var(--accent);
  background: rgba(0,245,212,0.06);
}

/* ─── NOISE 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)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9999;
}

/* ─── UTILITIES ──────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

.tag {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(0,245,212,0.08);
  color: var(--accent);
  border: 1px solid rgba(0,245,212,0.2);
}

.section { padding: 110px 0; position: relative; }

.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.section-label span.line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border-h), transparent);
}

.section-title {
  font-family: 'Orbitron', monospace;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 900;
  margin-bottom: 56px;
  line-height: 1.2;
}
.section-title em { font-style: normal; color: var(--accent); }

.section-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.3;
  pointer-events: none;
  z-index: 0;
}

/* ─── BUTTONS ────────────────────────────────────────────── */
.btn-primary {
  position: relative;
  padding: 14px 36px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #00c4ff);
  color: #050510;
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  text-decoration: none;
  vertical-align: middle;
}
.btn-primary .btn-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.3), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.btn-primary:hover .btn-glow { opacity: 1; }
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(0,245,212,0.35), 0 0 0 1px rgba(0,245,212,0.5);
  color: #050510;
}

.btn-secondary {
  padding: 13px 32px;
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-family: 'Orbitron', monospace;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.06em;
  border: 1.5px solid var(--border-h);
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  vertical-align: middle;
}
.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,245,212,0.12);
}

/* ─── SCROLL REVEAL ──────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* ─── KEYFRAMES ──────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes floatY {
  0%,100% { transform: translateY(0px); }
  50%     { transform: translateY(-14px); }
}
@keyframes floatOrb {
  0%,100% { transform: translate(0,0) scale(1); }
  33%     { transform: translate(30px,-40px) scale(1.05); }
  66%     { transform: translate(-20px,20px) scale(0.95); }
}
@keyframes glitch {
  0%,92%,100% { clip-path: inset(0 0 100% 0); transform: translate(0); }
  93% { clip-path: inset(10% 0 70% 0); transform: translate(-3px, 2px); }
  95% { clip-path: inset(50% 0 30% 0); transform: translate(3px,-2px); }
  97% { clip-path: inset(20% 0 55% 0); transform: translate(-2px,1px); }
  99% { clip-path: inset(70% 0 10% 0); transform: translate(2px,-1px); }
}
@keyframes pulseDot {
  0%,100% { opacity:1; transform:scale(1); }
  50%     { opacity:0.5; transform:scale(0.8); }
}
@keyframes spinRing {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes typeBlink {
  0%,100% { opacity:1; }
  50%     { opacity:0; }
}
@keyframes shimmer {
  from { background-position: -200% center; }
  to   { background-position:  200% center; }
}
@keyframes cardFloat {
  0%,100% { transform: translateY(0px); }
  50%     { transform: translateY(-14px); }
}
@keyframes dotPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(0,245,212,0.5); }
  70%     { box-shadow: 0 0 0 8px rgba(0,245,212,0); }
}
@keyframes scrollDot {
  0%   { transform: translateY(0);    opacity:1; }
  100% { transform: translateY(40px); opacity:0; }
}
@keyframes fiFloat {
  0%,100% { transform: translateY(0px); }
  50%     { transform: translateY(-10px); }
}


/* ══════════════════════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════════════════════ */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0 32px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.nav-logo {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--accent), #00c4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  padding: 7px 13px;
  border-radius: 999px;
  transition: all var(--transition);
  color: var(--text-muted);
  cursor: pointer;
  text-decoration: none;
}
.nav-links a:hover { background: var(--bg3); color: var(--text); }
.nav-links a.active { color: var(--accent); background: rgba(0,245,212,0.08); }

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

.theme-toggle {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px;
  transition: all var(--transition);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 16px rgba(0,245,212,0.2); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all var(--transition);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px; left: 0; right: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  flex-direction: column;
  gap: 4px;
  z-index: 999;
  backdrop-filter: blur(20px);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
}
.mobile-menu a:hover { background: var(--bg3); color: var(--accent); }


/* ══════════════════════════════════════════════════════════
   HERO
══════════════════════════════════════════════════════════ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

#hero .container {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-particles .particle {
  position: absolute;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.3;
  animation: floatY var(--dur, 4s) ease-in-out infinite;
  animation-delay: var(--delay, 0s);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: floatOrb 12s ease-in-out infinite;
  z-index: 0;
}
.orb1 { width:500px; height:500px; background:radial-gradient(circle,rgba(0,245,212,0.1),transparent 70%); top:-100px; right:-100px; animation-duration:10s; }
.orb2 { width:400px; height:400px; background:radial-gradient(circle,rgba(124,58,237,0.1),transparent 70%); bottom:-100px; left:-50px; animation-duration:14s; animation-delay:-4s; }
.orb3 { width:300px; height:300px; background:radial-gradient(circle,rgba(247,37,133,0.07),transparent 70%); top:40%; left:35%; animation-duration:18s; animation-delay:-8s; }

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  border: 1px solid rgba(0,245,212,0.25);
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(0,245,212,0.05);
  margin-bottom: 28px;
  animation: fadeUp 0.8s ease both;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: pulseDot 2s ease infinite;
}

.hero-name {
  font-family: 'Orbitron', monospace;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeUp 0.8s 0.1s ease both;
}
.greeting-text {
  font-family: 'Rajdhani', sans-serif;
  font-size: 0.48em;
  font-weight: 500;
  color: var(--text-muted);
  display: block;
  margin-bottom: 6px;
  letter-spacing: 0.06em;
}

.highlight {
  background: linear-gradient(135deg, var(--accent) 0%, #00c4ff 50%, var(--accent2) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
  position: relative;
  display: inline-block;
}
.glitch::before {
  content: attr(data-text);
  position: absolute;
  left: 0; top: 0;
  background: inherit;
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: glitch 8s 3s step-end infinite, shimmer 4s linear infinite;
  z-index: -1;
}

.hero-role {
  font-family: 'Space Mono', monospace;
  font-size: clamp(0.82rem, 1.8vw, 1rem);
  color: var(--text-muted);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s 0.2s ease both;
}
.role-prefix, .role-suffix { color: var(--accent3); font-weight: 700; }
.typed-cursor { color: var(--accent); animation: typeBlink 0.8s ease infinite; }

.hero-tagline {
  font-size: 1.05rem;
  line-height: 1.78;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 36px;
  animation: fadeUp 0.8s 0.3s ease both;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 56px;
  animation: fadeUp 0.8s 0.4s ease both;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  animation: fadeUp 0.8s 0.5s ease both;
}
.stat-item { padding-right: 32px; }
.stat-top {
  display: flex;
  align-items: baseline;
  gap: 1px;
  margin-bottom: 6px;
}
.stat-num {
  font-family: 'Orbitron', monospace;
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.stat-plus {
  font-family: 'Orbitron', monospace;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  display: block;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}
.stat-divider {
  width: 1px;
  height: 44px;
  background: var(--border);
  margin-right: 32px;
  flex-shrink: 0;
  align-self: center;
}


/* ─── HERO 3D CARD ───────────────────────────────────────── */
.hero-3d-card {
  position: relative;
  z-index: 2;
  animation: fadeUp 0.8s 0.3s ease both;
}
.card-inner {
  animation: cardFloat 5s ease-in-out infinite;
  transition: transform 0.25s ease;
  will-change: transform;
  position: relative;
}
.card-face {
  background: var(--card-glass);
  border: 1px solid var(--border-h);
  border-radius: 24px;
  padding: 40px 36px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.08);
}
.card-face::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,245,212,0.5), transparent);
  pointer-events: none;
}
.card-face::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,212,0.025) 0%, transparent 50%, rgba(124,58,237,0.025) 100%);
  pointer-events: none;
}

.card-avatar-ring {
  width: 110px; height: 110px;
  border-radius: 50%;
  padding: 2px;
  margin: 0 auto 20px;
  background: conic-gradient(var(--accent), var(--accent2), var(--accent3), var(--accent));
  animation: spinRing 6s linear infinite;
}
.card-avatar {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--accent);
}

.card-name {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1.1rem;
  text-align: center;
  margin-bottom: 6px;
  color: var(--text);
}
.card-title-text {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  text-align: center;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}
.card-skills-preview {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.card-skills-preview span {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid rgba(0,245,212,0.25);
  color: var(--accent);
  background: rgba(0,245,212,0.05);
}
.card-decoration {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: 24px;
}
.hex {
  position: absolute;
  width: 60px; height: 60px;
  opacity: 0.07;
  background: var(--accent);
  clip-path: polygon(50% 0%,100% 25%,100% 75%,50% 100%,0% 75%,0% 25%);
}
.hex1 { top: -15px; right: -10px; transform: rotate(15deg); }
.hex2 { bottom: 20px; left: -15px; transform: rotate(-20deg); width:80px; height:80px; background:var(--accent2); }
.hex3 { top: 50%; right: -20px; transform: rotate(45deg); width:40px; height:40px; background:var(--accent3); }
.card-shadow {
  position: absolute;
  bottom: -28px; left: 10%; right: 10%;
  height: 36px;
  background: radial-gradient(ellipse, rgba(0,245,212,0.18), transparent 70%);
  filter: blur(14px);
  pointer-events: none;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  z-index: 2;
}
.scroll-track { width:2px; height:40px; background:var(--bg3); border-radius:1px; overflow:hidden; }
.scroll-dot { width:2px; height:14px; background:var(--accent); border-radius:1px; animation:scrollDot 1.8s ease-in-out infinite; }


/* ══════════════════════════════════════════════════════════
   ABOUT
══════════════════════════════════════════════════════════ */
#about { background: var(--bg2); }

.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 80px;
  align-items: center;
}
.about-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.about-3d-wrapper {
  display: flex;
  justify-content: center;
  padding: 44px;
  overflow: visible;
}
.about-card-3d {
  position: relative;
  width: 230px; height: 230px;
  transition: transform 0.3s ease;
  will-change: transform;
  overflow: visible;
}
.about-avatar-ring-outer {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: conic-gradient(var(--accent) 0deg, var(--accent2) 120deg, var(--accent3) 240deg, var(--accent) 360deg);
  padding: 3px;
  animation: spinRing 8s linear infinite;
}
.about-avatar-ring-inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: var(--bg3);
  display: flex;
  align-items: center;
  justify-content: center;
}
.about-avatar { font-size: 4.5rem; color: var(--accent); }

.about-floating-icons {
  position: absolute;
  inset: -44px;
  pointer-events: none;
}
.fi {
  position: absolute;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--card);
  border: 1px solid var(--border-h);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: var(--accent);
  box-shadow: 0 4px 16px rgba(0,245,212,0.15);
  animation: fiFloat 3.5s ease-in-out infinite;
}
.fi1 { top:4%;  left:-10%; animation-delay:0s;   animation-duration:3.5s; }
.fi2 { top:4%;  right:-10%; animation-delay:0.5s; animation-duration:4s;   color:var(--accent2); border-color:rgba(124,58,237,0.4); }
.fi3 { bottom:16%; left:-6%; animation-delay:1s;   animation-duration:3.2s; color:#3776ab; }
.fi4 { bottom:3%;  right:0%;  animation-delay:1.5s; animation-duration:4.5s; color:var(--accent3); border-color:rgba(247,37,133,0.3); }
.fi5 { top:46%; left:-16%; animation-delay:0.7s;  animation-duration:3.8s; color:#f7df1e; }
.fi6 { top:46%; right:-14%; animation-delay:1.2s; animation-duration:4.2s; color:var(--accent2); border-color:rgba(124,58,237,0.4); }

.about-badge-3d {
  margin-top: 20px;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  padding: 8px 20px;
  background: rgba(0,245,212,0.06);
  border: 1px solid rgba(0,245,212,0.2);
  border-radius: 999px;
  white-space: nowrap;
  text-align: center;
}

.about-text .section-title { margin-bottom: 20px; }
.about-text p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 28px;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  padding: 10px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.highlight-item:hover { border-color: var(--border-h); color: var(--accent); }
.highlight-item i { color: var(--accent); font-size: 12px; flex-shrink: 0; }


/* ══════════════════════════════════════════════════════════
   SKILLS
══════════════════════════════════════════════════════════ */
#skills { background: var(--bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 20px;
}
.skill-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.skill-card-glow {
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,212,0.12), transparent 70%);
  top: -80px; right: -60px;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.skill-card:hover .skill-card-glow { opacity: 1; }
.skill-card:hover {
  border-color: rgba(0,245,212,0.3);
  box-shadow: var(--shadow), var(--shadow-accent);
  transform: translateY(-4px);
}
.skill-category { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.skill-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,245,212,0.14), rgba(124,58,237,0.14));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--accent);
  border: 1px solid rgba(0,245,212,0.15);
  flex-shrink: 0;
}
.skill-category-name {
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}
.skill-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.skill-tag {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  padding: 5px 12px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-muted);
  transition: all var(--transition);
}
.skill-card:hover .skill-tag { border-color: rgba(0,245,212,0.2); color: var(--text); }


/* ══════════════════════════════════════════════════════════
   PROJECTS
══════════════════════════════════════════════════════════ */
#projects { background: var(--bg2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.project-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  overflow: hidden;
  cursor: pointer;
}
.project-card-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,212,0.025) 0%, transparent 60%, rgba(124,58,237,0.025) 100%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.project-card:hover .project-card-bg { opacity: 1; }
.project-card:hover {
  border-color: rgba(0,245,212,0.3);
  box-shadow: var(--shadow), 0 0 60px rgba(0,245,212,0.07);
  transform: translateY(-6px);
}
.project-number {
  position: absolute;
  top: 20px; right: 24px;
  font-family: 'Orbitron', monospace;
  font-size: 2.8rem;
  font-weight: 900;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
[data-theme="light"] .project-number { color: rgba(0,0,0,0.04); }
.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.project-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,245,212,0.12), rgba(124,58,237,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  color: var(--accent);
  border: 1px solid rgba(0,245,212,0.15);
  transition: all var(--transition);
  flex-shrink: 0;
}
.project-card:hover .project-icon {
  background: linear-gradient(135deg, rgba(0,245,212,0.2), rgba(124,58,237,0.2));
  box-shadow: 0 0 20px rgba(0,245,212,0.18);
}
.project-links { display: flex; gap: 8px; }
.project-link {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text-muted);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.project-link:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.project-title {
  font-family: 'Orbitron', monospace;
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  padding-right: 44px;
}
.project-desc {
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.project-stack { display: flex; flex-wrap: wrap; gap: 8px; }
.project-stack-tag {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  padding: 4px 12px;
  background: rgba(0,245,212,0.06);
  border: 1px solid rgba(0,245,212,0.18);
  border-radius: 999px;
  color: var(--accent);
}


/* ══════════════════════════════════════════════════════════
   EXPERIENCE
══════════════════════════════════════════════════════════ */
#experience { background: var(--bg); }

.timeline { position: relative; padding-left: 36px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 0; top: 8px; bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2), transparent);
}
.timeline-item { position: relative; padding-bottom: 48px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute;
  left: -42px; top: 8px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  animation: dotPulse 2.5s ease infinite;
}
.timeline-dot-inner {
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--accent);
}
.timeline-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: border-color var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.timeline-card-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,245,212,0.025), transparent);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.timeline-card:hover .timeline-card-glow { opacity: 1; }
.timeline-card:hover { border-color: rgba(0,245,212,0.25); box-shadow: var(--shadow); }
.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}
.timeline-role {
  font-family: 'Orbitron', monospace;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.timeline-period {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--bg3);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.timeline-company { font-size: 13.5px; color: var(--accent); font-weight: 600; margin-bottom: 14px; }
.timeline-desc { font-size: 14px; line-height: 1.78; color: var(--text-muted); }
.timeline-desc ul { padding-left: 20px; }
.timeline-desc li { margin-bottom: 8px; }


/* ══════════════════════════════════════════════════════════
   EDUCATION
══════════════════════════════════════════════════════════ */
#education { background: var(--bg2); }

.edu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}
.edu-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px 26px 28px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}
.edu-card-line {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--accent), var(--accent2));
  border-radius: 3px 0 0 3px;
}
.edu-card:hover { border-color: rgba(0,245,212,0.3); transform: translateY(-4px); box-shadow: var(--shadow); }
.edu-icon {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 13px;
  background: linear-gradient(135deg, rgba(0,245,212,0.12), rgba(124,58,237,0.12));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--accent);
  border: 1px solid rgba(0,245,212,0.15);
}
.edu-content { flex: 1; min-width: 0; }
.edu-degree {
  font-family: 'Orbitron', monospace;
  font-weight: 700;
  font-size: 0.76rem;
  margin-bottom: 6px;
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.edu-institution { font-size: 13px; color: var(--accent); font-weight: 600; margin-bottom: 6px; }
.edu-year { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--text-muted); }


/* ══════════════════════════════════════════════════════════
   CERTIFICATIONS
══════════════════════════════════════════════════════════ */
#certifications { background: var(--bg); }

.certs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.cert-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 20px;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.cert-glow {
  position: absolute;
  top: -20px; right: -20px;
  width: 80px; height: 80px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,245,212,0.12), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.cert-card:hover .cert-glow { opacity: 1; }
.cert-card:hover { border-color: rgba(0,245,212,0.3); transform: translateY(-4px); box-shadow: var(--shadow); }
.cert-badge {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 13px;
  background: rgba(0,245,212,0.08);
  border: 1px solid rgba(0,245,212,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: var(--accent);
  transition: box-shadow var(--transition);
}
.cert-card:hover .cert-badge { box-shadow: 0 0 16px rgba(0,245,212,0.25); }
.cert-content { flex: 1; min-width: 0; }
.cert-name { font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 14px; margin-bottom: 4px; line-height: 1.4; }
.cert-issuer { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--text-muted); margin-bottom: 3px; }
.cert-year { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--accent); }
.cert-Link { color: inherit; text-decoration: none; transition: color var(--transition); }
.cert-Link:hover { color: var(--accent); }


/* ══════════════════════════════════════════════════════════
   CONTACT
══════════════════════════════════════════════════════════ */
#contact { background: var(--bg2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 70px;
  align-items: start;
}
.contact-info h3 {
  font-family: 'Orbitron', monospace;
  font-size: 1.15rem;
  font-weight: 900;
  margin-bottom: 14px;
  line-height: 1.4;
}
.contact-info p { color: var(--text-muted); font-size: 1rem; line-height: 1.78; margin-bottom: 32px; }

.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none;
  cursor: pointer;
}
.contact-link:hover { border-color: var(--border-h); transform: translateX(5px); background: var(--card); }

.contact-link-icon {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.contact-link-icon.email    { background: rgba(0,245,212,0.1);    color: var(--accent); }
.contact-link-icon.linkedin { background: rgba(10,102,194,0.15);  color: #0a66c2; }
.contact-link-icon.github   { background: rgba(128,128,128,0.12); color: var(--text); }
.contact-link-label { font-family: 'Space Mono', monospace; font-size: 10px; color: var(--text-muted); margin-bottom: 2px; display: block; }
.contact-link-value { font-weight: 600; font-size: 13px; display: block; word-break: break-word; }

.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.form-group input,
.form-group textarea {
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg3);
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 15px;
  transition: all var(--transition);
  outline: none;
  resize: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,245,212,0.1);
  background: var(--card);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-success {
  display: none;
  padding: 13px 18px;
  border-radius: var(--radius-sm);
  background: rgba(0,245,212,0.08);
  border: 1px solid rgba(0,245,212,0.25);
  color: var(--accent);
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  align-items: center;
  gap: 10px;
}
.form-success.show { display: flex; }

/* Submit button full width */
.btn-full { width: 100%; justify-content: center; }


/* ══════════════════════════════════════════════════════════
   FOOTER
══════════════════════════════════════════════════════════ */
footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 48px 28px;
  position: relative;
}
footer::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent2), transparent);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}
.footer-logo {
  font-family: 'Orbitron', monospace;
  font-weight: 900;
  font-size: 1.3rem;
  background: linear-gradient(135deg, var(--accent), #00c4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-text { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.footer-socials { display: flex; gap: 10px; }
.social-btn {
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-size: 15px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
}
.social-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(0,245,212,0.2); }
.footer-copy { font-family: 'Space Mono', monospace; font-size: 11px; color: var(--text-dim); }


/* ══════════════════════════════════════════════════════════
   SCROLLBAR
══════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: linear-gradient(to bottom, var(--accent), var(--accent2)); border-radius: 2px; }


/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  #hero .container { grid-template-columns: 1fr; max-width: 680px; }
  .hero-3d-card   { display: none; }
  .about-grid     { grid-template-columns: 1fr; gap: 48px; }
  .about-visual   { order: -1; }
}
@media (max-width: 900px) {
  .contact-grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 700px) {
  .nav-links  { display: none; }
  .hamburger  { display: flex; }
  .section    { padding: 80px 0; }
  .section-title { margin-bottom: 36px; }
  .projects-grid { grid-template-columns: 1fr; }
  .form-row   { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .cursor-dot, .cursor-ring { display: none; }
  body { cursor: auto; }
}
@media (max-width: 480px) {
  .container  { padding: 0 18px; }
  .hero-cta   { flex-direction: column; }
  .btn-primary, .btn-secondary { justify-content: center; width: 100%; }
  .about-highlights { grid-template-columns: 1fr; }
  .stat-item  { padding-right: 18px; }
  .stat-divider { margin-right: 18px; height: 36px; }
  .stat-num   { font-size: 1.7rem; }
}