:root {
  --primary: #0e7490;
  --secondary: #cffafe;
  --accent: #10b981;
  --text: #083344;
  --bg: #f0ffff;
}

body {
  background-color: #fdf8f4;
  color: #2d1b0e;
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

section {
  padding: 0;
}

.card {
  background-color: #ffffff;
  border-radius: 16px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

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

h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Accessibility SR-ONLY class */
.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 Styles */
.gallery-container {
  width: 100%;
}

.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  overflow: hidden;
  border-radius: 12px;
  background-color: #f8fafc;
  border: 1px solid #f1f5f9;
}

.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;
}

#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: 0.75rem;
  margin-top: 1rem;
}

.thumbnails label {
  cursor: pointer;
  border: 2px solid transparent;
  border-radius: 8px;
  overflow: hidden;
  width: 22%;
  aspect-ratio: 1;
  transition: all 0.2s ease;
  background-color: #f8fafc;
}

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

#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);
  box-shadow: 0 0 0 2px rgba(14, 116, 144, 0.2);
}