:root {
    --yohimbe-bg: #f5f9f6; /* Soft health theme background */
    --yohimbe-surface: #ffffff;
    --yohimbe-tone: #2b7a54; /* Green accent for nature/health */
    --yohimbe-tone-hover: #1f5e3e;
    --yohimbe-ink: #1f2937;
    --yohimbe-surface-darker: #eef3f0;
    --yohimbe-gradient: linear-gradient(135deg, #2b7a54 0%, #3b9e71 100%);
    --font-display: 'Oswald', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --yohimbe-radius: 16px; /* Soft */
    --yohimbe-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05); /* Raised */
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

/* Preset B Header */
.yohimbe-top-banner {
    background: var(--yohimbe-gradient);
    color: #ffffff;
    padding: 1.5rem 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.yohimbe-core-layout {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Product Showcase Layout */
.yohimbe-product-showcase {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

@media (min-width: 768px) {
    .yohimbe-product-showcase {
        flex-direction: row;
        align-items: flex-start;
    }
    .yohimbe-visual-cluster {
        width: 50%;
        position: sticky;
        top: 2rem;
    }
    .yohimbe-text-details {
        width: 50%;
    }
}

/* Gallery Logic (Preset B - Side thumbs on Desktop) */
.yohimbe-visual-cluster {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media (min-width: 768px) {
    .yohimbe-visual-cluster {
        flex-direction: row; /* Thumbs left, main right */
    }
    .yohimbe-nav-thumbs {
        flex-direction: column !important;
        width: 80px;
        flex-shrink: 0;
    }
    .yohimbe-main-stage {
        flex-grow: 1;
    }
}

.y-hidden-rad {
    display: none;
}

.yohimbe-main-stage {
    background-color: var(--yohimbe-surface);
    border-radius: var(--yohimbe-radius);
    overflow: hidden;
    box-shadow: var(--yohimbe-shadow);
}

.yohimbe-stage-pane {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease-in-out;
}

#y-pic-1:checked ~ .yohimbe-main-stage .y-frm-1,
#y-pic-2:checked ~ .yohimbe-main-stage .y-frm-2,
#y-pic-3:checked ~ .yohimbe-main-stage .y-frm-3,
#y-pic-4:checked ~ .yohimbe-main-stage .y-frm-4 {
    opacity: 1;
    pointer-events: auto;
    z-index: 10;
}

.yohimbe-nav-thumbs {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.yohimbe-thumb-item {
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 8px;
    overflow: hidden;
    background: var(--yohimbe-surface);
    transition: all 0.2s;
    height: 60px;
    width: 60px;
}

@media (min-width: 768px) {
    .yohimbe-thumb-item {
        height: 80px;
        width: 100%;
    }
}

.yohimbe-thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Preset B - Thumb borders */
#y-pic-1:checked ~ .yohimbe-nav-thumbs .y-lbl-1,
#y-pic-2:checked ~ .yohimbe-nav-thumbs .y-lbl-2,
#y-pic-3:checked ~ .yohimbe-nav-thumbs .y-lbl-3,
#y-pic-4:checked ~ .yohimbe-nav-thumbs .y-lbl-4 {
    border-color: var(--yohimbe-tone);
    box-shadow: 0 0 0 1px var(--yohimbe-tone);
}

/* CTA Button (Preset B - Rectangular with shadow) */
.yohimbe-purchase-act {
    display: inline-block;
    background-color: var(--yohimbe-tone);
    color: #ffffff;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.25rem;
    text-transform: uppercase;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 8px; /* Slightly rectangular for preset B */
    box-shadow: var(--yohimbe-shadow);
    transition: background-color 0.3s, transform 0.2s;
}

.yohimbe-purchase-act:hover {
    background-color: var(--yohimbe-tone-hover);
    transform: translateY(-2px);
}

/* Reviews (Preset B - slightly darker bg + rounded-xl) */
.yohimbe-feedback-zone {
    max-width: 800px;
    margin: 4rem auto 2rem;
}

.yohimbe-comment-stack {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.yohimbe-shopper-note {
    background-color: var(--yohimbe-surface-darker);
    padding: 1.5rem;
    border-radius: 12px; /* rounded-xl approx */
    color: var(--yohimbe-ink);
}

/* Footer */
.yohimbe-base-footer {
    background-color: var(--yohimbe-surface);
    border-top: 1px solid rgba(0,0,0,0.05);
    padding: 2rem 1rem;
    margin-top: 4rem;
    color: var(--yohimbe-ink);
}