:root {
  --primary: #b45309;
  --secondary: #fffbeb;
  --accent: #2563eb;
  --text: #431407;
  --bg: #fef9f0;
}

body {
  background-color: #ffffff;
  color: #000000;
  font-family: 'Open Sans', sans-serif;
}

h1, h2, h3 {
  font-family: 'Montserrat', sans-serif;
}

h1, h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
}

section {
  padding: 32px 16px;
}

@media (min-width: 768px) {
  section {
    padding: 48px 16px;
  }
}

.card {
  border-left: 4px solid #000000;
  padding-left: 20px;
  border-radius: 0;
}

.btn {
  border-radius: 0;
  border: 2px solid #000000;
  font-weight: 700;
  text-transform: uppercase;
}

/* Visually Hidden Input for CSS Gallery Switch */
.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 CSS Logic */
.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  overflow: hidden;
  background-color: #f8f8f8;
}

.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;
}

#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);
  opacity: 1;
}

.thumbnails label {
  opacity: 0.7;
  transition: opacity 0.2s, border-color 0.2s;
}

.thumbnails label:hover {
  opacity: 1;
}