* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(
      circle at 20% 10%,
      rgba(59, 130, 246, 0.12),
      transparent 30%
    ),
    radial-gradient(
      circle at 80% 30%,
      rgba(99, 102, 241, 0.08),
      transparent 30%
    ),
    #05070b;

  color: #e5e7eb;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
}

.glass {
  background: rgba(15, 23, 42, 0.58);
  border: 1px solid rgba(148, 163, 184, 0.12);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.grid-bg {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);

  background-size: 40px 40px;
}

.glow {
  box-shadow:
    0 0 30px rgba(59, 130, 246, 0.08),
    inset 0 0 30px rgba(59, 130, 246, 0.025);
}

.reactor {
  width: 150px;
  height: 150px;

  border-radius: 50%;

  border: 2px solid rgba(96, 165, 250, 0.35);

  position: relative;

  display: flex;
  align-items: center;
  justify-content: center;

  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.reactor::before,
.reactor::after {
  content: "";

  position: absolute;

  border-radius: 50%;

  border: 1px solid rgba(96, 165, 250, 0.25);
}

.reactor::before {
  width: 110px;
  height: 110px;
}

.reactor::after {
  width: 70px;
  height: 70px;
}

.reactor-core {
  width: 25px;
  height: 25px;

  border-radius: 50%;

  background: #60a5fa;

  box-shadow:
    0 0 15px rgba(96, 165, 250, 0.8),
    0 0 40px rgba(96, 165, 250, 0.4);
}

.pulse {
  animation: pulse 0.4s ease-out;
}

@keyframes pulse {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.12);
  }

  100% {
    transform: scale(1);
  }
}

.event-dot {
  width: 7px;
  height: 7px;

  border-radius: 50%;

  background: #60a5fa;

  box-shadow: 0 0 10px rgba(96, 165, 250, 0.8);

  flex-shrink: 0;
}

.timeline {
  scrollbar-width: thin;
  scrollbar-color: #334155 transparent;
}

input::placeholder {
  color: #64748b;
}