* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', sans-serif;
}

body {
  background: #0a0a0b;
  color: #e4e4e7;
  height: 100vh;
  overflow: hidden;
}

/* Cinematic background */
.background {
  position: absolute;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 30% 20%, rgba(255,120,0,0.15), transparent 40%),
    radial-gradient(circle at 70% 80%, rgba(255,120,0,0.08), transparent 40%),
    #0a0a0b;
  filter: blur(60px);
  animation: breathe 8s ease-in-out infinite;
}

/* Noise / film grain */
.noise {
  position: absolute;
  width: 100%;
  height: 100%;
  background: url("https://grainy-gradients.vercel.app/noise.svg");
  opacity: 0.05;
  pointer-events: none;
}

/* Container */
.container {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 30px;
}

/* Logo */
.logo {
  font-size: 3.5rem;
  letter-spacing: 8px;
  color: #f97316;
  text-shadow: 0 0 30px rgba(249,115,22,0.7);
  animation: flicker 3s infinite alternate;
}

/* Tagline */
.tagline {
  color: #71717a;
  font-size: 1rem;
}

/* Timeline */
.timeline {
  position: relative;
  width: 70%;
  max-width: 800px;
  margin-top: 50px;
  height: 50px;
}

/* Line glow */
.line {
  position: absolute;
  top: 50%;
  width: 100%;
  height: 2px;
  background: rgba(249,115,22,0.2);
  transform: translateY(-50%);
}

/* Nodes */
.nodes {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.nodes span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #27272a;
  border: 2px solid #f97316;
  box-shadow: 0 0 10px rgba(249,115,22,0.5);
  animation: pulseNode 2s infinite;
}

/* Pulse traveling */
.pulse {
  position: absolute;
  top: 50%;
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, #f97316, transparent);
  transform: translateY(-50%);
  filter: blur(4px);
  animation: movePulse 4s linear infinite;
}

/* Button */
.cta {
  margin-top: 60px;
  padding: 12px 30px;
  border: none;
  background: #f97316;
  color: white;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.3s;
}

.cta:hover {
  background: #ea580c;
  box-shadow: 0 0 30px rgba(249,115,22,0.7);
}

/* Animations */

@keyframes movePulse {
  0% { left: -10%; }
  100% { left: 110%; }
}

@keyframes pulseNode {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.5); opacity: 1; }
}

@keyframes breathe {
  0%,100% { filter: blur(60px) brightness(1); }
  50% { filter: blur(70px) brightness(1.2); }
}

@keyframes flicker {
  0% { opacity: 1; }
  48% { opacity: 0.8; }
  50% { opacity: 0.4; }
  52% { opacity: 1; }
  100% { opacity: 1; }
}