body, html {
  height: 100vh;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

.overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('pic/bg.png') no-repeat center center fixed;
  background-size: cover;
  z-index: -1;
  width: 100vw;
  height: 100vh;
}

header {
  text-align: center;
  margin-top: 40px;
}

h1 {
  color: #fff;
  font-size: 3em;
  text-shadow: 2px 2px 8px #000;
  letter-spacing: 0.1em;
}

main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100vh;
  padding-bottom: 0;
  box-sizing: border-box;
  position: relative;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin: 0;
  padding: 10px;
  align-items: flex-end;
  min-height: 100px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10;
}

.gallery img {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  cursor: pointer;
  transition: transform 0.2s;
}

.gallery img:hover {
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
}

.contact {
  background: rgba(0,0,0,0.5);
  color: #fff;
  padding: 16px 32px;
  border-radius: 12px;
  margin-bottom: 10px;
  text-align: center;
  font-size: 1.1em;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  display: flex;
  gap: 40px;
  align-items: center;
  position: fixed;
  bottom: 120px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
}

.contact a {
  color: #ffd700;
  text-decoration: underline;
}

.lightbox {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(0,0,0,0.85);
  align-items: center;
  justify-content: center;
}

.lightbox img {
  max-width: 90vw;
  max-height: 80vh;
  border-radius: 12px;
  box-shadow: 0 4px 32px #000;
}

.lightbox .close {
  position: absolute;
  top: 32px;
  right: 48px;
  color: #fff;
  font-size: 3em;
  font-weight: bold;
  cursor: pointer;
  text-shadow: 0 2px 8px #000;
}