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

body {
  background: radial-gradient(ellipse at bottom, #2c1d1d 0%, #1a0f0f 100%);
  color: #e0e0e0;
  font-family: "Inter", sans-serif;
  min-height: 100vh;
  background-attachment: fixed;
  padding: 20px;
}

.container {
  max-width: 900px;
  margin: 0 auto;
}

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

h1 {
  font-size: 2.2rem;
  background: linear-gradient(90deg, #e4a2a4, #cb686b);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
}

.intro {
  color: #b0b0b0;
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

.gallery-section {
  margin-bottom: 50px;
}

.gallery-section h2 {
  font-size: 1.4rem;
  color: #cb686b;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(203, 104, 107, 0.3);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}

.gallery figure {
  margin: 0;
  background: #1e1e1e;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #333;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.gallery figure:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(203, 104, 107, 0.15);
}

.gallery img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  border-radius: 6px;
  transition: transform 0.25s ease, filter 0.25s ease;
  cursor: zoom-in;
}

.gallery img:hover {
  transform: scale(1.03);
  filter: brightness(1.08);
}

.gallery figcaption {
  margin-top: 10px;
  font-size: 0.9rem;
  color: #999;
  line-height: 1.4;
}

.info-section {
  background: #1e1e1e;
  padding: 25px;
  border-radius: 8px;
  border-left: 4px solid #cb686b;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  margin-bottom: 40px;
}

.info-section h2 {
  font-size: 1.3rem;
  color: #cb686b;
  margin-bottom: 15px;
}

.info-section p {
  color: #b0b0b0;
  line-height: 1.7;
  margin-bottom: 12px;
}

.info-section p:last-child {
  margin-bottom: 0;
}

.code-block {
  background: #151515;
  padding: 12px;
  border-radius: 6px;
  font-family: "Courier New", monospace;
  font-size: 0.85rem;
  color: #f2c4c5;
  margin: 12px 0;
  overflow-x: auto;
}

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  backdrop-filter: blur(2px);
}

.lightbox.open {
  display: flex;
}

.lightbox-content {
  position: relative;
  text-align: center;
}

.lightbox img {
  max-width: 95%;
  max-height: 85vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.8);
}

.lightbox-caption {
  margin-top: 15px;
  color: #ddd;
  font-size: 0.95rem;
  max-width: 90%;
}

.lightbox-close {
  position: absolute;
  top: 15px;
  right: 15px;
  color: #ddd;
  font-size: 0.85rem;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.5);
  padding: 8px 12px;
  border-radius: 4px;
  transition: background 0.2s ease;
  z-index: 10000;
}

.lightbox-close:hover {
  background: rgba(0, 0, 0, 0.7);
}

/* slideshow buttons */
.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: #ddd;
  border: none;
  width: 45px;
  height: 45px;
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: 4px;
  transition: background 0.2s ease, transform 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.lightbox-nav:hover {
  background: rgba(0, 0, 0, 0.75);
  transform: translateY(-50%) scale(1.1);
}

.lightbox-nav:active {
  transform: translateY(-50%) scale(0.95);
}

.lightbox-prev {
  left: 15px;
}

.lightbox-next {
  right: 15px;
}

.lightbox-counter {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  color: #bbb;
  font-size: 0.9rem;
  background: rgba(0, 0, 0, 0.5);
  padding: 6px 12px;
  border-radius: 4px;
}

.back-button {
  display: inline-block;
  color: #b0b0b0;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 400;
  border: 1px solid #444;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.back-button:hover {
  background-color: #3a2a2a;
  color: #e0e0e0;
}

footer {
  text-align: center;
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: #616161;
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  h1 {
    font-size: 1.8rem;
  }

  .gallery {
    grid-template-columns: 1fr;
  }

  .gallery img {
    height: 200px;
  }

  .info-section {
    padding: 20px;
  }

  .lightbox {
    padding: 10px;
  }

  .lightbox img {
    max-height: 70vh;
  }
}