/* Clean-White Design System & Custom Overrides */

:root {
    --primary: #b45309;
    --secondary: #fffbeb;
    --accent: #2563eb;
    --text: #431407;
    --bg: #fef9f0;
}

body {
    background: #fff;
    color: #111;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

section {
    padding: 40px 16px;
}

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

.card {
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: none;
}

.btn {
    border-radius: 6px;
    font-weight: 600;
}

h1, h2 {
    font-weight: 700;
}

/* Typography Fluid Sizing */
.header-title {
    font-size: clamp(18px, 4vw, 24px);
}

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

/* CTA Button Styling with guaranteed high contrast */
.cta-btn {
    background-color: var(--accent);
    color: #ffffff !important;
}

.cta-btn:hover {
    background-color: #1d4ed8;
}

/* SR-ONLY Utility (Strictly required for accessibility and CSS 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 Styling */
.gallery-container {
    position: relative;
    width: 100%;
}

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

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

/* Gallery State 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;
}

/* Thumbnails */
.thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 12px;
}

.thumbnails label {
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 6px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    transition: border-color 0.2s ease-in-out;
}

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

/* Active Thumbnail Styling */
#img-1:checked ~ .thumbnails label[for="img-1"] {
    border-color: var(--primary);
}

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

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

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