/* CSS Variables & Design System: VIBRANT-FRESH */
:root {
  --primary: #78350f;
  --secondary: #fef3c7;
  --accent: #0d9488;
  --text: #292524;
  --bg: #fdf8f0;
}

/* Global Base Styles */
body {
  background: #fff;
  color: #1a1a1a;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(14px, 4vw, 16px);
}

section {
  padding: 64px 16px;
}

.card {
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

h1 {
  font-size: clamp(22px, 5vw, 36px);
  font-weight: 800;
  line-height: 1.1;
}

h2 {
  font-size: clamp(18px, 4.5vw, 28px);
}

.btn {
  border-radius: 16px;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  min-height: 44px;
}

/* Accessible Screen Reader 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;
}

/* Gallery Component (Pure CSS, No JS) */
.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%; /* Strict height constraint */
  overflow: hidden;
  border-radius: 16px;
}

.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 Slide Selection 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;
}

/* Thumbnail Styling */
.thumbnails {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  justify-content: center;
}

.thumbnails label {
  cursor: pointer;
  border-radius: 8px;
  overflow: hidden;
  width: 64px;
  height: 64px;
  display: block;
}

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

/* Active Thumbnail Visual Feedback */
#img-1:checked ~ .thumbnails label[for="img-1"] {
  border-color: var(--primary);
  transform: scale(1.05);
}
#img-2:checked ~ .thumbnails label[for="img-2"] {
  border-color: var(--primary);
  transform: scale(1.05);
}
#img-3:checked ~ .thumbnails label[for="img-3"] {
  border-color: var(--primary);
  transform: scale(1.05);
}
#img-4:checked ~ .thumbnails label[for="img-4"] {
  border-color: var(--primary);
  transform: scale(1.05);
}