/* CSS Variables & Theme Setup */
:root {
  --primary: #a16207;
  --secondary: #fef9c3;
  --accent: #0891b2;
  --text: #e8d5b0;
  --bg: #0a0a0a;
}

/* Base Typography & Settings */
body {
  background: var(--bg);
  color: var(--text);
  font-size: clamp(14px, 1vw + 12px, 16px);
  overflow-x: hidden;
}

h1, h2 {
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

section {
  padding: 64px 16px;
}

.card {
  background: #111;
  border: 1px solid #333;
  border-radius: 4px;
}

.btn {
  border-radius: 0;
  border: 1px solid var(--text);
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Accessible utility for hiding elements properly */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* CSS-Only Gallery Implementation */
.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%; /* Strict aspect ratio container */
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.3s ease-in-out;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Gallery Radio Switching Logic */
#img-1:checked ~ .gallery-main .slide-1 { opacity: 1; z-index: 10; }
#img-2:checked ~ .gallery-main .slide-2 { opacity: 1; z-index: 10; }
#img-3:checked ~ .gallery-main .slide-3 { opacity: 1; z-index: 10; }
#img-4:checked ~ .gallery-main .slide-4 { opacity: 1; z-index: 10; }

/* Thumbnails Styles */
.thumbnails {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.thumbnails label {
  cursor: pointer;
  border: 2px solid #222;
  width: 25%;
  aspect-ratio: 1;
  overflow: hidden;
  transition: border-color 0.2s ease-in-out;
}

.thumbnails label img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Thumbnails Active States */
#img-1:checked ~ .thumbnails label[for="img-1"] { border-color: var(--primary); }
#img-2:checked ~ .thumbnails label[for="img-2"] { border-color: var(--primary); }
#img-3:checked ~ .thumbnails label[for="img-3"] { border-color: var(--primary); }
#img-4:checked ~ .thumbnails label[for="img-4"] { border-color: var(--primary); }