body {
  box-sizing: border-box;
}

* {
  scrollbar-width: thin;
  scrollbar-color: #7C3AED #1E293B;
}

.glass {
  background: rgba(30, 41, 59, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(248, 249, 250, 0.1);
}

.glass-light {
  background: rgba(248, 249, 250, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(248, 249, 250, 0.08);
}

.gradient-text {
  background: linear-gradient(135deg, #F8F9FA 0%, #A78BFA 50%, #7C3AED 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bento-item {
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.bento-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 50px -12px rgba(124, 58, 237, 0.25);
}

.tech-pill {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tech-pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
}

.timeline-dot {
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(124, 58, 237, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(124, 58, 237, 0); }
}

.terminal-cursor {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.float-animation {
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

.scroll-hint {
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.5; }
}

.github-preview {
  opacity: 0;
  transform: translateY(10px) scale(0.95);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.github-link:hover .github-preview {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.mode-toggle {
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mode-toggle.active {
  background: #7C3AED;
  color: #F8F9FA;
}

.spline-path {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: draw-path 2s ease-out forwards;
}

@keyframes draw-path {
  to { stroke-dashoffset: 0; }
}

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 0.8s ease-out forwards;
}

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

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

.nav-link {
  position: relative;
  overflow: hidden;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #7C3AED, #A78BFA);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.nav-link:hover::after {
  transform: translateX(0);
}

.expertise-card {
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.1), transparent);
  transition: left 0.5s ease;
}

.expertise-card:hover::before {
  left: 100%;
}

#head-move {
  transition: transform 0.2s ease-out;
  transform-box: fill-box;
  transform-origin: center;
}

body.solver-active #avatar-mouth {
  d: path("M88,105 Q100,115 112,105");
}

#interactive-avatar {
  position: relative;
  z-index: 10;
}

.skill-bubble {
  position: absolute;
  padding: 6px 12px;
  background: rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(167, 139, 250, 0.4);
  border-radius: 99px;
  color: #A78BFA;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 600;
  pointer-events: none;
  backdrop-filter: blur(4px);
  z-index: 5;
  white-space: nowrap;
  animation: pop-and-float 2s ease-out forwards;
}

@keyframes pop-and-float {
  0% {
    opacity: 0;
    transform: scale(0.5) translateY(0);
  }
  20% {
    opacity: 1;
    transform: scale(1.1) translateY(-10px);
  }
  80% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(1) translateY(-40px);
  }
}