:root {
  --primary: #15803d;
  --secondary: #f0fdf4;
  --accent: #f59e0b;
  --text: #14532d;
  --bg: #f8fff8;
}

body {
  background: #fff;
  color: #111;
  font-family: 'Inter', sans-serif;
  font-size: clamp(14px, 4vw, 16px);
  line-height: 1.5;
}

section {
  padding: 64px 16px;
}

.card {
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  box-shadow: none;
}

.btn {
  border-radius: 6px;
  font-weight: 600;
}

h1, h2 {
  font-weight: 700;
}

h1 {
  font-size: clamp(20px, 4vw, 24px);
}

h2 {
  font-size: clamp(22px, 5vw, 32px);
}

/* Gallery CSS Implementation */
.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;
}

.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  background-color: #fafafa;
}

.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: contain;
}

#img-1:checked ~ .gallery-main .slide-1,
#img-2:checked ~ .gallery-main .slide-2,
#img-3:checked ~ .gallery-main .slide-3,
#img-4:checked ~ .gallery-main .slide-4 {
  opacity: 1;
  z-index: 10;
}

.thumbnails {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.thumbnails label {
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 6px;
  overflow: hidden;
  width: 25%;
  aspect-ratio: 1;
  background-color: #fafafa;
  transition: border-color 0.2s ease-in-out;
}

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

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