/* ================================================
   VISHWAJIT KUMAR — Portfolio CSS
   Dark deep-navy theme · Animated aurora background
   ================================================ */

/* ── Variables ── */
:root {
  --bg: #0a0a1a;
  --bg2: #0d0d22;
  --surface: rgba(255,255,255,0.05);
  --surface-hover: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.08);
  --border-accent: rgba(99,102,241,0.4);

  --blue: #6366f1;
  --cyan: #22d3ee;
  --purple: #a78bfa;
  --green: #4ade80;
  --amber: #fbbf24;
  --pink: #f472b6;

  --grad: linear-gradient(135deg, #6366f1, #22d3ee);
  --grad-text: linear-gradient(135deg, #6366f1, #22d3ee, #a78bfa);

  --text: #e2e8f0;
  --text2: #94a3b8;
  --text3: #4a5568;

  --font: 'Inter', sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --nav-h: 68px;
  --ease: cubic-bezier(0.4,0,0.2,1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── ANIMATED AURORA BACKGROUND ── */
/* Fixed full-page layered bg that's always visible */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  /* Base gradient */
  background:
    radial-gradient(ellipse 80% 60% at 15% 20%, rgba(99,102,241,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 85% 70%, rgba(34,211,238,0.12) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(167,139,250,0.07) 0%, transparent 60%),
    linear-gradient(135deg, #0a0a1a 0%, #0e0b2a 40%, #07141f 100%);
  pointer-events: none;
}

/* Animated floating blobs */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 500px 400px at var(--bx1, 20%) var(--by1, 15%), rgba(99,102,241,0.14) 0%, transparent 70%),
    radial-gradient(ellipse 400px 500px at var(--bx2, 75%) var(--by2, 80%), rgba(34,211,238,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 350px 300px at var(--bx3, 60%) var(--by3, 30%), rgba(244,114,182,0.08) 0%, transparent 70%);
  animation: auroraShift 20s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes auroraShift {
  0%   { opacity: 1; filter: blur(40px); transform: scale(1) rotate(0deg); }
  33%  { opacity: 0.85; filter: blur(50px); transform: scale(1.05) rotate(1deg); }
  66%  { opacity: 0.95; filter: blur(45px); transform: scale(0.97) rotate(-1deg); }
  100% { opacity: 1; filter: blur(40px); transform: scale(1.03) rotate(0.5deg); }
}

/* Dot grid overlay for depth */
.dot-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(99,102,241,0.15) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.4;
}

/* ── BLOB ORBS (always visible, moving) ── */
.blob {
  position: fixed;
  border-radius: 50%;
  filter: blur(70px);
  pointer-events: none;
  z-index: 0;
  will-change: transform;
}
.blob-1 {
  width: 600px; height: 500px;
  background: radial-gradient(circle, rgba(99,102,241,0.30) 0%, rgba(99,102,241,0.10) 50%, transparent 70%);
  top: -10%; left: -10%;
  animation: blobMove1 25s ease-in-out infinite alternate;
}
.blob-2 {
  width: 500px; height: 600px;
  background: radial-gradient(circle, rgba(34,211,238,0.22) 0%, rgba(34,211,238,0.07) 50%, transparent 70%);
  bottom: -10%; right: -5%;
  animation: blobMove2 30s ease-in-out infinite alternate;
}
.blob-3 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(244,114,182,0.18) 0%, rgba(244,114,182,0.05) 50%, transparent 70%);
  top: 40%; left: 60%;
  animation: blobMove3 22s ease-in-out infinite alternate;
}
.blob-4 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, rgba(167,139,250,0.20) 0%, rgba(167,139,250,0.06) 50%, transparent 70%);
  top: 60%; left: 10%;
  animation: blobMove4 28s ease-in-out infinite alternate;
}

@keyframes blobMove1 {
  0%   { transform: translate(0, 0) scale(1); }
  25%  { transform: translate(80px, 60px) scale(1.08); }
  50%  { transform: translate(40px, 120px) scale(0.95); }
  75%  { transform: translate(100px, 40px) scale(1.05); }
  100% { transform: translate(60px, 80px) scale(1.02); }
}
@keyframes blobMove2 {
  0%   { transform: translate(0, 0) scale(1); }
  30%  { transform: translate(-70px, -50px) scale(1.06); }
  60%  { transform: translate(-30px, -100px) scale(0.93); }
  100% { transform: translate(-80px, -60px) scale(1.04); }
}
@keyframes blobMove3 {
  0%   { transform: translate(0, 0) scale(1); }
  40%  { transform: translate(-60px, 80px) scale(1.1); }
  80%  { transform: translate(50px, -70px) scale(0.9); }
  100% { transform: translate(-30px, 50px) scale(1.05); }
}
@keyframes blobMove4 {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(90px, -60px) scale(1.07); }
  100% { transform: translate(40px, 80px) scale(0.96); }
}

img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
input, textarea, button { font-family: var(--font); }

/* ── Scroll Progress Bar ── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--grad);
  z-index: 9999;
  box-shadow: 0 0 12px rgba(99,102,241,0.8), 0 0 24px rgba(34,211,238,0.4);
  transition: width 0.1s linear;
}

/* ── Canvas Background (sparkle particles) ── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 1;
}

/* ── Intro Overlay ── */
#intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s var(--ease);
}

#intro-overlay.fade-out {
  opacity: 0;
  pointer-events: none;
}

#intro-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

#skip-intro {
  position: absolute;
  top: 20px; right: 20px;
  padding: 8px 18px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  color: var(--text2);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s;
  z-index: 1;
}
#skip-intro:hover { background: rgba(255,255,255,0.1); color: var(--text); }

#intro-text {
  position: relative;
  z-index: 1;
  text-align: center;
}

#intro-name {
  display: block;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  animation: introName 1s ease both;
}

#intro-sub {
  display: block;
  font-family: var(--mono);
  font-size: 0.9rem;
  color: var(--cyan);
  animation: introSub 1s 0.4s ease both;
}

@keyframes introName {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes introSub {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ── Navbar ── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: all 0.3s var(--ease);
}

#navbar.scrolled {
  background: rgba(5,5,16,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.3px;
}

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

.nav-links a {
  padding: 8px 16px;
  color: var(--text2);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255,255,255,0.05);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

#theme-toggle {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: none;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
#theme-toggle:hover { background: var(--surface); }

#hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
#hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── Mobile Menu ── */
#mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(5,5,16,0.97);
  backdrop-filter: blur(24px);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease);
}
#mobile-menu.open { transform: translateX(0); }
#close-menu {
  position: absolute; top: 24px; right: 28px;
  background: none; border: none;
  color: var(--text2); font-size: 1.4rem;
  cursor: pointer;
}
#mobile-menu nav { display: flex; flex-direction: column; align-items: center; gap: 28px; }
#mobile-menu a { font-size: 1.6rem; font-weight: 700; color: var(--text2); transition: 0.2s; }
#mobile-menu a:hover { color: var(--blue); }

/* ── Container ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ── Sections ── */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}
.section-alt {
  background: linear-gradient(180deg, transparent, rgba(59,130,246,0.03) 50%, transparent);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-badge {
  display: inline-block;
  padding: 5px 16px;
  background: rgba(59,130,246,0.1);
  border: 1px solid rgba(59,130,246,0.25);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--blue);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 14px;
}
.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}
.section-header h3 {
  color: var(--text2);
}
.section-header p {
  color: var(--text2);
  font-size: 1rem;
  max-width: 480px;
  margin: 0 auto;
}

/* ── Glass Card ── */
.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: all 0.3s var(--ease);
}
.glass-card:hover {
  background: var(--surface-hover);
  border-color: var(--border-accent);
  box-shadow: 0 8px 40px rgba(59,130,246,0.1), 0 0 0 1px rgba(59,130,246,0.1);
  transform: translateY(-4px);
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 28px;
  border-radius: 10px; font-size: 0.95rem;
  font-weight: 600; cursor: pointer;
  transition: all 0.25s var(--ease);
  border: none;
}
.btn-primary {
  background: var(--grad);
  color: white;
  box-shadow: 0 4px 20px rgba(59,130,246,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(59,130,246,0.5);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--border-accent);
  background: rgba(59,130,246,0.06);
  transform: translateY(-2px);
}
.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text);
  transform: translateY(-2px);
}
.btn-full { width: 100%; }

/* ── Reveal Animations ── */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease calc(var(--delay, 0s)), transform 0.7s ease calc(var(--delay, 0s));
}
.reveal-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: var(--nav-h) 24px 40px;
}

#hero::before {
  content: '';
  position: absolute;
  top: -20%; left: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(59,130,246,0.1), transparent 65%);
  pointer-events: none;
}
#hero::after {
  content: '';
  position: absolute;
  bottom: -10%; right: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.07), transparent 65%);
  pointer-events: none;
}

.hero-inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  max-width: 800px;
}

/* Avatar */
.hero-avatar { position: relative; }
.avatar-glow {
  position: absolute; inset: -8px;
  border-radius: 50%;
  background: var(--grad);
  opacity: 0.25;
  filter: blur(16px);
  animation: pulseGlow 3s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%,100% { opacity: 0.2; transform: scale(0.95); }
  50% { opacity: 0.35; transform: scale(1.05); }
}
.avatar-frame {
  width: 150px; height: 150px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(59,130,246,0.5);
  box-shadow: 0 0 0 6px rgba(59,130,246,0.08), 0 20px 60px rgba(0,0,0,0.5);
  background: var(--bg2);
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.avatar-frame img {
  width: 100%; height: 100%; object-fit: cover;
}
.avatar-initials {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; font-weight: 800;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: none;
}
.avatar-status {
  position: absolute;
  bottom: -4px; left: 50%;
  transform: translateX(-50%);
  display: flex; align-items: center; gap: 6px;
  padding: 4px 12px;
  background: rgba(5,5,16,0.9);
  border: 1px solid rgba(74,222,128,0.3);
  border-radius: 50px;
  font-size: 0.72rem;
  color: var(--green);
  white-space: nowrap;
  backdrop-filter: blur(8px);
}
.status-dot {
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--green);
  animation: statusPulse 2s infinite;
}
@keyframes statusPulse {
  0%,100% { box-shadow: 0 0 6px var(--green); }
  50% { box-shadow: 0 0 14px var(--green); }
}

/* Hero Title */
.hero-inner h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1.05;
}
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Typewriter */
.hero-typewriter code {
  font-family: var(--mono);
  font-size: clamp(1rem, 2.5vw, 1.4rem);
  color: var(--cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 2rem;
}
.tw-cursor {
  display: inline-block;
  animation: blinkCursor 0.8s step-end infinite;
  color: var(--cyan);
  font-weight: 300;
}
@keyframes blinkCursor {
  0%,100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Tags */
.hero-tags {
  display: flex; flex-wrap: wrap;
  justify-content: center; gap: 10px;
}
.tag {
  padding: 6px 16px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--cyan);
  font-family: var(--mono);
  transition: all 0.2s;
}
.tag:hover {
  background: rgba(59,130,246,0.15);
  border-color: rgba(59,130,246,0.4);
}

/* CTA */
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

/* Social Icons */
.hero-socials { display: flex; gap: 12px; }
.social-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.25);
  color: var(--cyan);
  transition: all 0.25s;
}
.social-icon svg { width: 20px; height: 20px; }
.social-icon:hover {
  background: rgba(59,130,246,0.18);
  border-color: rgba(59,130,246,0.5);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(59,130,246,0.25);
}

/* Scroll Down */
.scroll-down {
  margin-top: 8px;
  color: var(--cyan);
  animation: bounce 2s ease-in-out infinite;
  cursor: pointer;
}
@keyframes bounce {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.about-grid .glass-card {
  padding: 32px;
}
.about-grid h3 {
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 16px;
}
.about-grid p {
  color: var(--text2);
  font-size: 0.93rem;
  line-height: 1.75;
}

.detail-list { display: flex; flex-direction: column; gap: 18px; }
.detail-item {
  display: flex; align-items: center; gap: 14px;
}
.detail-icon { font-size: 1.3rem; flex-shrink: 0; }
.detail-item strong { display: block; font-size: 0.82rem; color: var(--text2); text-transform: uppercase; letter-spacing: 0.5px; }
.detail-item span, .detail-item a { font-size: 0.9rem; color: var(--text); }
.detail-item a { color: var(--blue); }
.detail-item a:hover { color: var(--cyan); }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.stat-box {
  padding: 28px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-align: center;
  transition: all 0.3s;
}
.stat-box:hover {
  border-color: var(--border-accent);
  background: var(--surface-hover);
  transform: translateY(-3px);
}
.stat-num {
  display: block;
  font-size: 2.2rem; font-weight: 900;
  font-family: var(--mono);
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.stat-lbl {
  font-size: 0.75rem; color: var(--text3);
  text-transform: uppercase; letter-spacing: 1px;
}

/* ── SKILLS: RING CARDS ── */
.skill-rings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.skill-ring-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}
.skill-ring-card::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.04), transparent);
  opacity: 0;
  transition: 0.3s;
}
.skill-ring-card:hover {
  border-color: var(--border-accent);
  background: var(--surface-hover);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(59,130,246,0.12);
}
.skill-ring-card:hover::before { opacity: 1; }

.ring-wrap {
  position: relative;
  width: 90px; height: 90px;
  margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
}
.ring-svg {
  position: absolute; inset: 0;
  transform: rotate(-90deg);
}
.ring-bg {
  fill: none;
  stroke: rgba(255,255,255,0.06);
  stroke-width: 6;
}
.ring-fill {
  fill: none;
  stroke: url(#grad0);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 276.46;
  stroke-dashoffset: 276.46;
  transition: stroke-dashoffset 1.5s cubic-bezier(0.4,0,0.2,1);
}
.ring-icon {
  font-size: 1.8rem;
  z-index: 1;
  position: relative;
}
.skill-ring-card h4 {
  font-size: 0.95rem; font-weight: 700;
  margin-bottom: 10px;
}
.skill-tags {
  display: flex; flex-wrap: wrap;
  gap: 4px; justify-content: center;
  margin-bottom: 10px;
}
.skill-tags span {
  padding: 2px 8px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 50px;
  font-size: 0.68rem;
  color: var(--cyan);
  transition: all 0.2s;
}
.skill-ring-card:hover .skill-tags span {
  background: rgba(59,130,246,0.15);
}
.ring-pct {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text3);
}

/* Tech Stack */
.tech-stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.tech-card {
  padding: 24px;
}
.tech-card-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 16px;
}
.tc-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}
.tech-card-header strong {
  font-size: 0.95rem; font-weight: 700;
}
.tech-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tech-tags span {
  padding: 4px 12px;
  background: rgba(59,130,246,0.07);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 50px;
  font-size: 0.78rem;
  color: var(--blue);
  font-weight: 500;
  transition: all 0.2s;
  cursor: default;
}
.tech-tags span:hover {
  background: rgba(59,130,246,0.18);
  color: white;
  border-color: var(--blue);
}

/* ── PROJECTS ── */
.projects-filter {
  display: flex; gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}
.filter-btn {
  padding: 8px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text2);
  font-size: 0.85rem; font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--grad);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(59,130,246,0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 20px;
  min-height: 200px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex; flex-direction: column; gap: 14px;
  transition: all 0.3s var(--ease);
  animation: cardIn 0.5s ease both;
  position: relative;
  overflow: hidden;
}
.project-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.04), transparent 50%);
  opacity: 0;
  transition: 0.3s;
}
.project-card:hover {
  border-color: var(--border-accent);
  background: var(--surface-hover);
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(59,130,246,0.12);
}
.project-card:hover::after { opacity: 1; }

@keyframes cardIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.proj-header {
  display: flex; align-items: flex-start; justify-content: space-between;
}
.proj-icon { font-size: 1.7rem; }
.proj-links { display: flex; gap: 8px; }
.proj-link {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text3);
  transition: all 0.2s;
}
.proj-link:hover { color: var(--blue); background: rgba(59,130,246,0.1); border-color: var(--border-accent); }
.proj-link svg { width: 14px; height: 14px; }

.proj-name {
  font-size: 1rem; font-weight: 700;
  line-height: 1.3;
}
.proj-desc {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.6;
  flex-grow: 1;
}
.proj-meta {
  display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap;
}
.proj-lang {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.78rem; color: var(--text2); font-weight: 500;
}
.lang-dot { width: 10px; height: 10px; border-radius: 50%; }
.proj-stars, .proj-forks {
  display: flex; align-items: center; gap: 4px;
  font-size: 0.78rem; color: var(--text3);
}
.proj-stars svg, .proj-forks svg { width: 13px; height: 13px; }

.proj-tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
.proj-tag {
  padding: 2px 10px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 50px;
  font-size: 0.72rem; font-weight: 500;
  color: var(--blue);
}

.loading-state {
  grid-column: 1/-1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px; padding: 60px;
  color: var(--text2);
}
.loading-ring {
  width: 44px; height: 44px;
  border: 3px solid rgba(59,130,246,0.15);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  grid-column: 1/-1;
  text-align: center; padding: 60px;
  color: var(--text2);
}
.empty-state-emoji { font-size: 3rem; margin-bottom: 12px; }

/* ── GITHUB ── */
.github-dashboard {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  align-items: start;
}
.gh-profile-card {
  padding: 32px 24px;
  text-align: center;
  display: flex; flex-direction: column;
  align-items: center; gap: 12px;
}
.gh-avatar-wrap {
  width: 90px; height: 90px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid rgba(59,130,246,0.4);
  box-shadow: 0 0 0 4px rgba(59,130,246,0.08);
}
.gh-avatar-wrap img { width: 100%; height: 100%; object-fit: cover; }
.gh-profile-card h3 { font-size: 1.15rem; font-weight: 700; }
.gh-bio { font-size: 0.83rem; color: var(--text2); }
.gh-handle {
  font-family: var(--mono); font-size: 0.82rem;
  color: var(--blue); transition: 0.2s;
}
.gh-handle:hover { color: var(--cyan); }
.gh-stats-mini {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; width: 100%; margin-top: 8px;
}
.gh-stats-mini > div {
  padding: 14px 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: center;
}
.gh-stats-mini span {
  display: block;
  font-size: 1.3rem; font-weight: 800;
  font-family: var(--mono);
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gh-stats-mini small {
  font-size: 0.68rem; color: var(--text3);
  text-transform: uppercase; letter-spacing: 0.8px;
}

.gh-cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.gh-img-card {
  padding: 16px;
  display: flex; align-items: center; justify-content: center;
}
.gh-img-card img {
  width: 100%; border-radius: 8px;
}
.gh-langs { grid-column: 1/-1; }

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 28px;
  align-items: start;
}
.contact-left { display: flex; flex-direction: column; gap: 14px; }
.contact-info-card {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 22px;
}
.ci-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  background: rgba(59,130,246,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
}
.contact-info-card strong {
  display: block; font-size: 0.73rem;
  text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--text3); margin-bottom: 3px;
}
.contact-info-card a {
  font-size: 0.87rem; color: var(--text2);
  transition: 0.2s; word-break: break-all;
}
.contact-info-card a:hover { color: var(--blue); }

.contact-form-wrap { padding: 36px; }
.contact-form-wrap h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 24px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.form-group label {
  font-size: 0.75rem; font-weight: 600;
  color: var(--text2); text-transform: uppercase; letter-spacing: 0.8px;
}
.form-group input, .form-group textarea {
  width: 100%; padding: 12px 16px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.93rem;
  transition: all 0.2s; outline: none;
  resize: vertical;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text3); }
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--blue);
  background: rgba(59,130,246,0.04);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.success-msg {
  padding: 12px 16px; margin-top: 14px;
  background: rgba(74,222,128,0.1);
  border: 1px solid rgba(74,222,128,0.3);
  border-radius: 8px;
  color: var(--green);
  font-size: 0.87rem;
  text-align: center;
}
.hidden { display: none !important; }

/* ── Footer ── */
footer {
  padding: 36px 0 24px;
  border-top: 1px solid var(--border);
  position: relative; z-index: 1;
  background: rgba(0,0,0,0.3);
}
.footer-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.footer-logo {
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-copy { color: var(--text3); font-size: 0.85rem; }
.footer-links { display: flex; gap: 20px; }
.footer-links a {
  color: var(--text3); font-size: 0.85rem;
  transition: 0.2s;
}
.footer-links a:hover { color: var(--blue); }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(59,130,246,0.3); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: rgba(59,130,246,0.6); }

::selection { background: rgba(59,130,246,0.3); color: white; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .github-dashboard { grid-template-columns: 1fr; }
  .gh-cards { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-right #theme-toggle { display: none; }
  #hamburger { display: flex; }
  .skill-rings-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); }
}
@media (max-width: 500px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
  .gh-cards { grid-template-columns: 1fr; }
  .gh-langs { grid-column: 1; }
  .footer-inner { flex-direction: column; text-align: center; }
  .hero-cta { flex-direction: column; width: 100%; }
  .btn { width: 100%; justify-content: center; }
}