:root {
  --bg: hsl(210, 12%, 8%);
  --bg-soft: #0A0C12;
  --surface: hsl(220, 15%, 14%);
  --surface-strong: hsl(220, 15%, 18%);
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.15);
  --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01));
  --glass-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.1), inset 1px 0 0 rgba(255, 255, 255, 0.05);
  --text: hsl(210, 10%, 65%);
  --muted: hsl(210, 10%, 55%);
  --heading: hsl(30, 8%, 95%);
  --primary: hsl(185, 85%, 55%);
  --primary-strong: hsl(185, 85%, 45%);
  --secondary: hsl(38, 92%, 62%);
  --btn-text: #000000;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1180px;
}

body.light {
  --bg: hsl(40, 12%, 96%);
  --bg-soft: #F8F5F0;
  --surface: hsl(0, 0%, 100%);
  --surface-strong: hsl(40, 10%, 98%);
  --border: rgba(0, 0, 0, 0.08);
  --border-light: rgba(255, 255, 255, 1);
  --glass-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0.2) 100%);
  --glass-shadow: 0 20px 40px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0,0,0,0.02), inset 0 1px 0 rgba(255, 255, 255, 1), inset 1px 0 0 rgba(255, 255, 255, 0.8);
  --text: hsl(30, 8%, 45%);
  --muted: hsl(30, 8%, 55%);
  --heading: hsl(210, 15%, 12%);
  --primary: hsl(185, 75%, 50%);
  --primary-strong: hsl(185, 75%, 40%);
  --secondary: hsl(38, 85%, 55%);
  --btn-text: #ffffff;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.05);

  background:
    radial-gradient(circle at 15% 20%, rgba(123, 218, 255, 0.1), transparent 35%),
    radial-gradient(circle at 85% 15%, rgba(167, 139, 250, 0.08), transparent 30%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
}
body.light .blur-1 { background: rgba(123, 218, 255, 0.15); }
body.light .blur-2 { background: rgba(167, 139, 250, 0.12); }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at 15% 20%, rgba(123, 218, 255, 0.06), transparent 35%),
    radial-gradient(circle at 85% 15%, rgba(167, 139, 250, 0.05), transparent 30%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.04'/%3E%3C/svg%3E");
}

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

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.page-blur {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -1;
  opacity: 0.65;
}
.blur-1 { top: 100px; left: -80px; background: rgba(255, 255, 255, 0.04); }
.blur-2 { top: 420px; right: -100px; background: rgba(255, 255, 255, 0.03); }

.glass {
  background: var(--glass-bg);
  border: 1px solid var(--border);
  border-top-color: var(--border-light);
  border-left-color: var(--border-light);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  box-shadow: var(--glass-shadow);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 18px 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 20px;
  border-radius: 999px;
}

.brand {
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}
.brand span { color: var(--primary); }

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
}
.nav-menu a {
  color: var(--muted);
  font-size: 0.95rem;
  transition: 0.25s ease;
}
.nav-menu a:hover,
.nav-menu a.active { color: var(--heading); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.theme-toggle,
.menu-toggle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--heading);
  cursor: pointer;
}
.menu-toggle { display: none; position: relative; }
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--heading);
  margin: 4px auto;
  border-radius: 999px;
}

.hero {
  padding: 42px 0 50px;
}
.hero-grid {
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.hero-copy {
  max-width: 800px;
  margin: 0 auto;
}

.eyebrow,
.section-kicker,
.muted,
.mini-card-top span:first-child,
.project-label {
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
  margin: 14px 0 18px;
  color: var(--heading);
}

.hero-tagline {
  font-size: clamp(2.4rem, 4.5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--heading);
  margin: 0 0 16px;
  font-weight: 800;
}
.gradient-text {
  background: linear-gradient(135deg, #ffffff 0%, #a1a1aa 50%, #71717a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
body.light .gradient-text {
  background: linear-gradient(135deg, #09090b 0%, #3f3f46 50%, #71717a 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero-typing {
  min-height: 42px;
  font-size: clamp(1.05rem, 2vw, 1.5rem);
  color: var(--muted);
  margin: 0 0 16px;
}
.cursor { color: var(--primary); animation: blink 0.8s infinite; }
@keyframes blink { 50% { opacity: 0; } }

.hero-description,
.section-subtitle,
.info-card p,
.project-card p,
.mini-card p,
.timeline-card p,
.contact-card p,
.contact-list,
.small-note,
.hero-list li {
  color: var(--muted);
  line-height: 1.75;
}

.hero-description {
  font-size: 1.15rem;
  max-width: 90%;
  margin: 0 auto;
}

.highlight-name {
  color: var(--heading);
  font-weight: 800;
  font-size: 1.15em;
}

.hero-pills,
.tag-row,
.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.hero-pills { margin: 26px 0 28px; }
.hero-pills span,
.tag-row span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
}
body.light .hero-pills span,
body.light .tag-row span { background: rgba(255,255,255,0.66); }
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 26px;
}
.social-row {
  justify-content: center;
}
.social-row a {
  color: var(--muted);
  font-weight: 600;
}
.social-row a:hover,
.inline-link:hover { color: var(--primary); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: var(--btn-text);
  box-shadow: 0 4px 14px rgba(41, 126, 246, 0.15);
}
.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(41, 126, 246, 0.3), inset 0 -2px 10px rgba(0,0,0,0.1);
}
.btn-secondary {
  background: var(--surface-strong);
  border-color: var(--border);
  color: var(--heading);
}
.btn-secondary:hover {
  background: var(--surface);
  border-color: var(--border-light);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
.btn-full { width: 100%; }

.hero-panel {
  display: grid;
  gap: 18px;
}
.card-large,
.stat-card,
.info-card,
.project-card,
.skill-card,
.chips-card,
.mini-card,
.github-card,
.timeline-card,
.contact-card {
  border-radius: var(--radius-xl);
}
.card-large {
  padding: 26px;
}
.hero-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  margin-bottom: 10px;
}
.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #f59e0b;
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.5);
}
.hero-list {
  padding-left: 18px;
  margin: 14px 0 0;
}
.hero-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.stat-value {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--heading);
}
.stat-label { color: var(--muted); }

.section {
  padding: 48px 0;
}
.section-heading {
  margin-bottom: 24px;
}
.section-heading h2 {
  margin: 8px 0 12px;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.04em;
  color: var(--heading);
}

.about-grid,
.skills-layout,
.github-layout,
.contact-grid {
  display: grid;
  gap: 18px;
}
.about-grid { grid-template-columns: repeat(2, 1fr); }
.info-card,
.chips-card,
.contact-card,
.github-card,
.timeline-card,
.mini-card,
.project-card,
.skill-card { padding: 24px; }
.info-card h3,
.skill-head h3,
.chips-card h3,
.project-card h3,
.mini-card h3,
.github-card h3,
.timeline-card h3,
.contact-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.2rem;
  color: var(--heading);
}
.inline-link { color: var(--primary); font-weight: 600; }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.project-card {
  position: relative;
  overflow: hidden;
}
.project-card::before {
  content: "";
  position: absolute;
  inset: auto -20% -65% auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.06), transparent 70%);
}
.project-top,
.mini-card-top,
.skill-head,
.github-top,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.project-year,
.mini-card-top span:last-child,
.timeline-date {
  color: var(--muted);
  font-weight: 600;
}
.project-points {
  margin: 14px 0 18px;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}
.project-links { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

.skills-layout {
  grid-template-columns: 1fr 1fr 0.9fr;
  align-items: start;
}
.skill-head span { color: var(--muted); font-size: 0.95rem; }
.skill-meter + .skill-meter { margin-top: 16px; }
.skill-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--text);
  font-weight: 600;
}
.meter {
  height: 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  overflow: hidden;
  border: 1px solid var(--border);
}
body.light .meter { background: rgba(8,21,34,0.05); }
.meter-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #d97706, #fbbf24);
  transition: width 1s ease;
}
.tag-row-large span { margin-bottom: 6px; }

.cards-grid.three {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.github-layout { grid-template-columns: 1.05fr 0.95fr; }
.github-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.github-stats img,
.activity-graph img {
  width: 100%;
  border-radius: 18px;
  background: rgba(255,255,255,0.8);
}
.activity-graph { margin: 18px 0 12px; }

.timeline {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 700px;
  margin: 0 auto;
  gap: 18px;
}

.contact-grid { grid-template-columns: 0.95fr 1.05fr; }
.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.contact-card input,
.contact-card textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  border-top-color: rgba(0,0,0,0.4);
  background: rgba(0,0,0,0.2);
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.5);
  color: var(--text);
  margin-bottom: 12px;
  outline: none;
  transition: all 0.3s ease;
}
body.light .contact-card input,
body.light .contact-card textarea {
  background: rgba(255,255,255,0.7);
  border-top-color: rgba(0,0,0,0.15);
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.06), 0 1px 0 rgba(255,255,255,1);
}
.contact-card input:focus,
.contact-card textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(41,126,246,0.12);
}
.form-note { font-size: 0.9rem; color: var(--muted); margin-top: 12px; }

.footer {
  padding: 12px 0 40px;
}
.footer-inner {
  padding-top: 8px;
  color: var(--muted);
}
.footer-inner a { color: var(--primary); }

.btn-glass {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  color: var(--heading) !important;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s ease;
}
.btn-glass:hover {
  transform: translateY(-2px);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }

.floating { animation: float 6s ease-in-out infinite; }
.floating-slow { animation: float 8s ease-in-out infinite; }
.floating-delayed { animation: float 7s ease-in-out infinite 1.2s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.success-banner {
  margin-top: 12px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(87, 236, 136, 0.12);
  border: 1px solid rgba(87, 236, 136, 0.28);
  color: #7dffab;
}
body.light .success-banner {
  color: #0f7d42;
  background: rgba(31, 185, 93, 0.09);
}
.error-text {
  color: #ff9ca8;
  font-size: 0.9rem;
  margin-top: -4px;
  margin-bottom: 10px;
  display: block;
}

@media (max-width: 1024px) {
  .hero-grid,
  .about-grid,
  .projects-grid,
  .skills-layout,
  .cards-grid.three,
  .github-layout,
  .timeline,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .nav-inner { border-radius: 24px; }
  .hero { padding-top: 28px; }
}

@media (max-width: 760px) {
  .navbar { padding: 12px 0; }
  .nav-inner { position: relative; padding: 14px 16px; }
  .menu-toggle { display: inline-block; }
  .nav-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    padding: 18px;
    border-radius: 24px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    backdrop-filter: blur(18px);
  }
  .nav-menu.open { display: flex; }

  .hero-copy h1 { font-size: 2.6rem; }
  .hero-mini-grid { grid-template-columns: 1fr 1fr; }
  .github-stats { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .container { width: min(var(--container), calc(100% - 20px)); }
  .hero-pills,
  .hero-actions,
  .project-links,
  .social-row { gap: 10px; }
  .hero-mini-grid { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .project-links .btn,
  .hero-actions .btn { width: 100%; }
}

/* Three.js Hero Additions */
#hero-canvas-container {
  width: 100%;
  height: 250px;
  position: relative;
  margin: 0 auto;
  z-index: 10;
  overflow: visible;
}
@media (min-width: 768px) {
  #hero-canvas-container {
    height: 350px;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.gsap-hero-reveal {
  opacity: 1;
  visibility: visible;
}