html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: Arial, sans-serif;
  color: #1c1f23;
  background: linear-gradient(135deg, #f7f7f8, #eadfe6);
}

.page-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

/* BACK LINK */
.contact {
  position: fixed;
  top: 20px;
  right: 25px;
  font-size: 14px;
  color: #6b7c93;
  text-decoration: none;
  transition: 0.2s ease;
}

.contact:hover {
  color: #111;
  transform: translateX(-3px);
}

/* CARD */
.card {
  transition: transform 0.25s ease;
  text-align: center;
  padding: 44px 40px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(14px);
  box-shadow: 0 25px 70px rgba(0,0,0,0.10);
  max-width: 420px;
  animation: pageIn 0.6s ease;
}

/* TEXT */
.card h1 {
  font-size: 64px;
  margin: 0;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.sub {
  margin: 12px 0;
  font-size: 18px;
  color: #7a7f87;
  line-height: 1.4;
}

.endpoint {
  margin-top: 20px;
  font-size: 16px;
  opacity: 0.6;
}

/* PAGE ANIMATION */
@keyframes pageIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}