/* Design System: SOFT-WARM */
:root {
  --primary: #0694a2;
  --secondary: #e6fffa;
  --accent: #f59e0b;
  --text: #2d1b0e;
  --bg: #fdf8f4;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  overflow-x: hidden;
}

/* Container & Card Styling */
.card {
  background: #ffffff;
  border: none;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(45, 27, 14, 0.04);
}

.btn {
  border-radius: 99px;
  font-weight: 600;
  min-height: 44px;
}

h1, h2, h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Typography Fluidity */
body {
  font-size: clamp(14px, 4vw, 16px);
}

/* SR-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 Implementation */
.gallery-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%; /* Perfect square ratio constraint */
  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: contain;
  background-color: #ffffff;
}

/* Gallery Controls */
#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 Grid */
.thumbnails {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.thumbnails label {
  aspect-ratio: 1;
  display: block;
  border-width: 2px;
  border-color: transparent;
  transition: all 0.2s ease;
}

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

#img-1:checked ~ .thumbnails label[for="img-1"] { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(6, 148, 162, 0.2); }
#img-2:checked ~ .thumbnails label[for="img-2"] { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(6, 148, 162, 0.2); }
#img-3:checked ~ .thumbnails label[for="img-3"] { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(6, 148, 162, 0.2); }
#img-4:checked ~ .thumbnails label[for="img-4"] { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(6, 148, 162, 0.2); }

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: #e2d4c9;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #cbd5e1;
}