* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  color: #0f172a;
}

.bg {
  position: fixed;
  inset: 0;
  background: linear-gradient(120deg,#60a5fa,#a5b4fc,#7dd3fc,#60a5fa);
  background-size: 300% 300%;
  animation: bgMove 18s linear infinite;
  z-index: -1;
}

@keyframes bgMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

main {
  min-height: 100vh;
  padding: 24px 16px;
  display: flex;
  justify-content: center;
}

.card {
  width: 100%;
  max-width: 1100px;
  background: rgba(255,255,255,0.94);
  border-radius: 28px;
  padding: 42px;
  box-shadow: 0 36px 80px rgba(0,0,0,0.3);
}

.timeline {
  margin-top: 36px;
  display: grid;
  gap: 26px;
}

.exp-card {
  padding: 26px;
  border-radius: 22px;
  background: linear-gradient(145deg,#ffffff,#eef2ff);
  box-shadow: 0 14px 26px rgba(0,0,0,0.18);
}

.exp-card ul {
  padding-left: 18px;
}

/* MOBILE */
@media (max-width: 520px) {
  .card { padding: 28px 22px; }
  .exp-card { padding: 20px; }
}