/* LUXURY-DARK Design System & Variables */
:root {
  --primary: #7c3aed;
  --secondary: #f5f3ff;
  --accent: #f59e0b;
  --text: #e8d5b0;
  --bg: #0a0a0a;
}

body {
  background: var(--bg);
  color: var(--text);
  font-size: clamp(14px, 4vw, 16px);
}

section {
  padding: 64px 16px;
}

.card {
  background: #111;
  border: 1px solid #333;
  border-radius: 4px;
}

h1, h2 {
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Custom CTA Button Style */
.btn-cta {
  display: inline-block;
  width: 100%;
  max-width: 320px;
  min-height: 52px;
  line-height: 52px;
  background-color: var(--accent);
  color: #ffffff !important;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  transition: all 0.3s ease;
  text-align: center;
  border-radius: 0;
}

.btn-cta:hover {
  background-color: transparent;
  color: var(--accent) !important;
  border-color: var(--accent);
}

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

/* Strict Gallery Rules */
.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-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
  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: cover;
}

/* Gallery Radio Input Actions */
#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 {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.thumbnails label {
  cursor: pointer;
  flex: 1;
  border: 2px solid transparent;
  transition: border-color 0.3s ease-in-out;
}

.thumbnails label img {
  width: 100%;
  height: auto;
  aspect-ratio: 1/1;
  object-fit: cover;
}

#img-1:checked ~ .thumbnails label[for="img-1"] { border-color: var(--accent); }
#img-2:checked ~ .thumbnails label[for="img-2"] { border-color: var(--accent); }
#img-3:checked ~ .thumbnails label[for="img-3"] { border-color: var(--accent); }
#img-4:checked ~ .thumbnails label[for="img-4"] { border-color: var(--accent); }