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

body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #14293f;
  font-family: 'Georgia', 'Times New Roman', serif;
  color: #e8e6e0;
}

#clock {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: #e8e6e0;
}

.content {
  text-align: center;
  padding: 2rem;
}

.image-wrap {
  position: relative;
  display: inline-block;
  line-height: 0;
}

.mail-hotspot {
  position: absolute;
  left: 52.8%;
  top: 77.2%;
  width: 24.6%;
  height: 4%;
  cursor: pointer;
}

.background-image {
  display: block;
  max-width: 100%;
  max-height: 90vh;
  height: auto;
  clip-path: inset(0 0 7% 0);
  -webkit-mask-image: radial-gradient(ellipse farthest-side at center, black 60%, transparent 100%);
  mask-image: radial-gradient(ellipse farthest-side at center, black 60%, transparent 100%);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}

.building-image {
  max-width: 360px;
  width: 80vw;
  height: auto;
  filter: grayscale(100%);
  opacity: 0.85;
  -webkit-mask-image: radial-gradient(ellipse farthest-side at center, black 65%, transparent 100%);
  mask-image: radial-gradient(ellipse farthest-side at center, black 65%, transparent 100%);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}

h1 {
  margin-top: 1.5rem;
  font-size: 2rem;
  font-weight: normal;
  letter-spacing: 0.04em;
}

.site-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.9rem 1rem;
  background: #0f1e31;
  color: #e8e6e0;
  font-family: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  font-size: 0.85rem;
  text-align: center;
}

.site-footer strong {
  font-weight: 700;
}