/* CSS Variables & Typography Setup */
:root {
    --primary: #c2410c;
    --secondary: #fff7ed;
    --accent: #0284c7;
    --text: #431407;
    --bg: #fef9f5;
    --black: #111111;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--bg);
    color: var(--black);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
}

/* Bold Editorial Component Rules */
section {
    padding: 64px 16px;
}

.card {
    border-left: 6px solid var(--black);
    padding-left: 20px;
    border-radius: 0;
}

.btn {
    border-radius: 0;
    border: 4px solid var(--black);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Screen Reader Only Utility (Required for 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;
}

/* CSS-Only Gallery Implementation */
.gallery-main {
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* Perfect square container */
    overflow: hidden;
    background-color: #f3f4f6;
}

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

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

.thumbnails label {
    cursor: pointer;
    border: 3px solid var(--black);
    padding-bottom: 100%;
    position: relative;
    overflow: hidden;
    transition: all 0.2s ease;
}

.thumbnails label img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-cover: cover;
}

/* Gallery Interaction Logic */
#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;
}

#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: translateY(-2px);
    box-shadow: 0 4px 0px 0px rgba(0,0,0,1);
}

/* Responsive Overrides (Mobile-First) */
@media (min-width: 768px) {
    section {
        padding: 80px 32px;
    }
}