/* CSS Variables & Theme Setup */
:root {
  --primary: #f43f5e;
  --secondary: #fff1f2;
  --accent: #0284c7;
  --text-gold: #e8d5b0;
  --bg: #0a0a0a;
  --card-bg: #111111;
  --border-color: #333333;
}

/* Base Reset & Typography */
body {
  background: var(--bg);
  color: #f8f8f8;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(14px, 4vw, 16px);
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Cinzel', serif;
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-gold);
}

h1 {
  font-size: clamp(20px, 4vw, 28px);
}

h2 {
  font-size: clamp(22px, 5vw, 32px);
}

section {
  padding: 48px 16px;
}

/* Card Style */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

/* CTA Button Style */
.btn {
  background-color: var(--primary);
  color: #ffffff !important;
  border: 1px solid var(--text-gold);
  border-radius: 0;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: #e11d48;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(244, 63, 94, 0.4);
}

/* Screen Readers 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 */
.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%; /* Keeps aspect ratio 1:1 */
  overflow: hidden;
  border: 1px solid var(--border-color);
  background-color: #151515;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.4s ease-in-out;
}

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

/* Gallery Radio States */
#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 */
.thumbnails {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.thumbnails label {
  cursor: pointer;
  border: 2px solid var(--border-color);
  transition: all 0.2s ease-in-out;
  width: 25%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
}

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

/* Active Thumbnail States */
#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);
  transform: scale(0.95);
  box-shadow: 0 0 8px rgba(244, 63, 94, 0.5);
}

/* Responsive Adjustments */
@media (min-width: 768px) {
  section {
    padding: 64px 16px;
  }
}