* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", sans-serif;
  background: #fff;
  color: #111;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
  overflow: hidden;
}

/* Subtle animated background rings */
body::before,
body::after {
  content: "";
  position: fixed;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.05);
  animation: expand 6s ease-out infinite;
  pointer-events: none;
}

body::before {
  width: 600px;
  height: 600px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 0s;
}

body::after {
  width: 600px;
  height: 600px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: 3s;
}

@keyframes expand {
  0% {
    width: 100px;
    height: 100px;
    opacity: 0.6;
  }
  100% {
    width: 900px;
    height: 900px;
    opacity: 0;
  }
}

/* Logo fade + float in */
.logo {
  margin-bottom: 2.5rem;
  animation: floatIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.logo img {
  height: 120px;
  width: auto;
  animation: float 5s ease-in-out infinite;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Text fade up */
h1 {
  font-size: 1.1rem;
  font-weight: 500;
  color: #111;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  opacity: 0;
  animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}

p {
  font-size: 0.9rem;
  color: #888;
  line-height: 1.6;
  max-width: 480px;
  opacity: 0;
  animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.5s forwards;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

footer {
  position: fixed;
  bottom: 1.5rem;
  font-size: 0.72rem;
  color: #ccc;
  opacity: 0;
  animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) 0.75s forwards;
}

footer a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: #888;
}