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

/* base */
body {
  background: #fff;
  color: #000;
  font-family: Arial, sans-serif;
}

/* header */
header {
  text-align: center;
  padding: 50px 0 40px;
}

header h1 {
  font-size: 24px;
  letter-spacing: 3px;
  text-transform: lowercase;
}

header p {
  font-size: 13px;
  opacity: 0.5;
  margin-top: 6px;
}

/* gallery grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  padding: 12px;
}

/* images */
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* subtle hover (очень аккуратно) */
.gallery img:hover {
  transform: scale(1.015);
  opacity: 0.95;
}

/* LIGHTBOX */
#lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

#lightbox.show {
  display: flex;
}

#lightbox img {
  max-width: 92%;
  max-height: 92%;
  cursor: zoom-out;
}

/* mobile tweaks */
@media (max-width: 600px) {
  header {
    padding: 30px 0;
  }

  header h1 {
    font-size: 20px;
  }
}