/* Design System: NATURE-EARTH */
:root {
  --primary: #0d9488;
  --secondary: #f0fdfa;
  --accent: #f59e0b;
  --text: #134e4a;
  --bg: #ffffff;
}

body {
  background: #f5f0e8;
  color: #2d2416;
  font-family: 'Inter', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
}

section {
  padding: 48px 16px;
}

.card {
  background: #fff;
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(76, 61, 35, 0.08);
}

.btn {
  border-radius: 8px;
  font-weight: 600;
}

/* Typography Scale via Clamp */
.text-clamp-body {
  font-size: clamp(14px, 4vw, 16px);
}

.text-clamp-h1 {
  font-size: clamp(22px, 5vw, 36px);
}

.text-clamp-h2 {
  font-size: clamp(20px, 4.5vw, 30px);
}

/* Screen Reader Only Utility */
.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 Mechanics */
.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%; /* Strict 1:1 Aspect Ratio representation without JavaScript */
  overflow: hidden;
  border-radius: 12px;
  background-color: #eae3d2;
}

.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;
}

/* Checked Radio Gallery Selectors */
#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 */
.thumbnails {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.thumbnails label {
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 0.2s ease-in-out, transform 0.2s ease;
  aspect-ratio: 1 / 1;
  display: block;
}

.thumbnails label:hover {
  transform: scale(1.05);
}

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

/* Active Thumbnail Highlight */
#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); }