body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #0b0f1a;
  color: #e5e7eb;
  min-height: 100vh;
}
main.page {
  position: relative;
  z-index: 2;
}
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}
.parallax-stage {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.parallax-layer {
  position: absolute;
  inset: -20%;
  opacity: 0.5;
}
.layer-1 {
  background: radial-gradient(
    circle at 20% 30%,
    rgba(59, 130, 246, 0.35),
    transparent 45%
  );
}
.layer-2 {
  background: radial-gradient(
    circle at 80% 40%,
    rgba(168, 85, 247, 0.3),
    transparent 50%
  );
}
.layer-3 {
  background: radial-gradient(
    circle at 50% 80%,
    rgba(34, 197, 94, 0.25),
    transparent 55%
  );
}
.section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
}
.hero {
  text-align: center;
}
.hero-card {
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.2);
  padding: 40px 50px;
  border-radius: 16px;
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}
.hero-model {
  width: 400px;
  height: 400px;
  margin: 0 auto 16px;
}
.hero-model canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.hero-card h1 {
  margin: 0 0 10px;
  font-size: 2.6rem;
}
.hero-card p {
  margin: 0;
  color: #cbd5f5;
}
.container {
  background: rgba(15, 23, 42, 0.75);
  padding: 32px 40px;
  border-radius: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  text-align: center;
  max-width: 900px;
}
.experiment-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 100px;
  margin-top: 20px;
}
.floating-list .experiment-card {
  will-change: transform;
  transition: transform 0.2s ease;
}
.experiment-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 520px;
  padding: 12px 16px;
  background: rgba(38, 42, 46, 0.95);
  color: #babfcc;
  text-decoration: none;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  text-align: left;
}
.experiment-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}
.thumb {
  width: 120px;
  height: 80px;
  border-radius: 8px;
  background: linear-gradient(135deg, #1d4ed8, #38bdf8);
  position: relative;
  overflow: hidden;
}
.thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 20% 30%,
    rgba(255, 255, 255, 0.6),
    transparent 45%
  );
  opacity: 0.6;
}
.thumb-cube {
  background: linear-gradient(135deg, #7c3aed, #22d3ee);
}
.thumb-swarm {
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
}
.thumb-vr {
  background: linear-gradient(135deg, #f97316, #f43f5e);
}
.thumb-me {
  background: linear-gradient(135deg, #22c55e, #14b8a6);
}
.thumb-music {
  background: linear-gradient(135deg, #a855f7, #f43f5e);
}
.card-text .title {
  font-size: 1.05em;
  font-weight: 600;
  margin-bottom: 4px;
}
.card-text .subtitle {
  font-size: 0.9em;
  color: #4b5563;
}
.footer-link {
  display: inline-block;
  margin-top: 6px;
  margin-right: 15px;
  color: #7dd3fc;
  text-decoration: none;
}
.footer-link:hover {
  text-decoration: underline;
}
.footer-section .container {
  padding: 28px 36px;
}
.footer-card h2 {
  margin-top: 0;
}