/* CSS Variables for CORPORATE-TRUST Design System */
:root {
    --primary: #f97316;
    --secondary: #ffedd5;
    --accent: #059669;
    --text: #7c2d12;
    --bg: #fafafa;
}

/* Screen reader class for hiding elements accessibly */
.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 Styles - CSS Only Slide Switcher */
.gallery-container {
    width: 100%;
}

.gallery-main {
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* Forces 1:1 Aspect Ratio */
    overflow: hidden;
}

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

/* Slide visibility based on checked radio inputs */
#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;
}

/* Active thumbnail styling based on checked radio inputs */
#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 {
    transition: border-color 0.2s ease, opacity 0.2s ease;
}

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

h1 {
    font-size: clamp(20px, 5vw, 28px);
}

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