/* CSS Variables & Theme (NATURE-EARTH) */
:root {
    --primary: #7c2d12;
    --secondary: #fff7ed;
    --accent: #4d7c0f;
    --text: #431407;
    --bg: #fefefe;
}

/* Typography & Base */
body {
    background: #f5f0e8;
    color: #111111;
    font-size: clamp(14px, 4vw, 16px);
}

section {
    padding: 32px 16px;
}

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

.card {
    background: #ffffff;
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(76, 61, 35, 0.08);
}

.btn {
    border-radius: 8px;
    font-weight: 600;
}

h1, h2 {
    font-weight: 700;
}

/* Strict Gallery System */
.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-main {
    position: relative;
    width: 100%;
    padding-bottom: 100%;
    overflow: hidden;
}

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

.slide img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
}

/* Active slide selection through input:checked */
#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: flex;
    gap: 8px;
    margin-top: 12px;
    justify-content: center;
}

.thumbnails label {
    cursor: pointer;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    overflow: hidden;
    width: 64px;
    height: 64px;
    transition: border-color 0.2s ease-in-out, transform 0.1s ease;
    background: #ffffff;
}

.thumbnails label:hover {
    transform: scale(1.05);
}

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

/* Active thumbnail selection */
#img-1:checked ~ .thumbnails label[for="img-1"] {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(124, 45, 18, 0.2);
}
#img-2:checked ~ .thumbnails label[for="img-2"] {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(124, 45, 18, 0.2);
}
#img-3:checked ~ .thumbnails label[for="img-3"] {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(124, 45, 18, 0.2);
}
#img-4:checked ~ .thumbnails label[for="img-4"] {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(124, 45, 18, 0.2);
}