/* SOFT-WARM Design System & Custom Gallery Implementation */

:root {
  --primary: #d97706;
  --secondary: #fffbeb;
  --accent: #6d28d9;
  --text: #78350f;
  --bg: #ffffff;
}

body {
  background: #fdf8f4;
  color: #2d1b0e;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(14px, 4vw, 16px);
}

section {
  padding: 48px 16px;
}

@media (min-width: 768px) {
  section {
    padding: 64px 24px;
  }
}

.card {
  background: #fff;
  border: none;
  border-radius: 16px;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
}

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

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

h1 {
  font-size: clamp(20px, 4.5vw, 28px);
}

h2 {
  font-size: clamp(22px, 5vw, 36px);
}

/* Screen Reader Utility for CSS Gallery Radio Inputs */
.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 Gallery Layout */
.gallery-main {
  position: relative;
  width: 100%;
  padding-bottom: 100%; /* Height constraint (1:1 Aspect Ratio) */
  overflow: hidden;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  z-index: 1;
  transition: opacity 0.35s ease-in-out;
}

/* Active Slide States via Adjacent Sibling Selectors */
#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 States */
#img-1:checked ~ .thumbnails label[for="img-1"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.2);
  opacity: 1;
}

#img-2:checked ~ .thumbnails label[for="img-2"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.2);
  opacity: 1;
}

#img-3:checked ~ .thumbnails label[for="img-3"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.2);
  opacity: 1;
}

#img-4:checked ~ .thumbnails label[for="img-4"] {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.2);
  opacity: 1;
}

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