/* TECH-MINIMAL Design System */
:root {
  --primary: #57534e;
  --secondary: #fafaf9;
  --accent: #f59e0b;
  --text: #1c1917;
  --bg: #fefefe;
}

body {
  background: #fafafa;
  color: #18181b;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}

section {
  padding: 64px 16px;
}

.card {
  background: #fff;
  border: 1px solid #e4e4e7;
  border-radius: 4px;
}

.btn {
  border-radius: 4px;
  border: 1px solid #18181b;
  font-weight: 500;
  min-height: 44px;
}

h1, h2 {
  font-weight: 600;
  letter-spacing: -0.03em;
}

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

h1 {
  font-size: clamp(22px, 5vw, 36px);
}

/* SR-ONLY Utility for Gallery */
.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 Structure */
.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%; /* Forces 1:1 Aspect Ratio */
  overflow: hidden;
  border: 1px solid #e4e4e7;
  border-radius: 4px;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.3s ease-in-out;
}

/* Active Slide 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;
}

/* Active Thumbnail Controls */
#img-1:checked ~ .thumbnails label[for="img-1"] {
  border-color: var(--primary);
  border-width: 2px;
  box-shadow: 0 0 0 2px rgba(87, 83, 78, 0.2);
}

#img-2:checked ~ .thumbnails label[for="img-2"] {
  border-color: var(--primary);
  border-width: 2px;
  box-shadow: 0 0 0 2px rgba(87, 83, 78, 0.2);
}

#img-3:checked ~ .thumbnails label[for="img-3"] {
  border-color: var(--primary);
  border-width: 2px;
  box-shadow: 0 0 0 2px rgba(87, 83, 78, 0.2);
}

#img-4:checked ~ .thumbnails label[for="img-4"] {
  border-color: var(--primary);
  border-width: 2px;
  box-shadow: 0 0 0 2px rgba(87, 83, 78, 0.2);
}

/* Prevent Horizontal Scroll */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}