:root {
    --arzo-base: #f4f9f7;
    --arzo-paper: #ffffff;
    --arzo-vitality: #2a9d8f;
    --arzo-vitality-hover: #21867a;
    --arzo-text: #264653;
    --arzo-shade: rgba(42, 157, 143, 0.15);
    --arzo-gradient: linear-gradient(135deg, #2a9d8f 0%, #21867a 100%);
    
    --font-display: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

body {
    background-color: var(--arzo-base);
    font-family: var(--font-body);
    margin: 0;
    padding: 0;
    color: var(--arzo-text);
    line-height: 1.6;
}

h1, h2, h3, .arzo-item-heading, .arzo-topbar-brand, .arzo-voice-heading {
    font-family: var(--font-display);
    font-weight: 700;
}

/* Preset A Styles */
.arzo-topbar {
    padding: 1.5rem 1rem;
    text-align: center;
    border-bottom: 4px solid var(--arzo-vitality);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 50;
}

.arzo-topbar-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.arzo-topbar-brand {
    font-size: 1.1rem;
    display: block;
    line-height: 1.4;
}

.arzo-core-content {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* Gallery Logic strictly via CSS */
.arzo-rad {
    display: none;
}

.arzo-major-frame {
    position: relative;
    padding-bottom: 100%;
    height: 0;
    border-radius: 16px;
    overflow: hidden;
    background: var(--arzo-paper);
}

.arzo-pic-slide {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
}

#pic1:checked ~ .arzo-major-frame .s1,
#pic2:checked ~ .arzo-major-frame .s2,
#pic3:checked ~ .arzo-major-frame .s3,
#pic4:checked ~ .arzo-major-frame .s4 {
    opacity: 1;
    pointer-events: auto;
    z-index: 10;
}

.arzo-thumb-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
    justify-content: center;
}

.arzo-thumb-item {
    width: 60px;
    height: 60px;
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.2s ease;
    background: var(--arzo-paper);
}

#pic1:checked ~ .arzo-thumb-strip .t1,
#pic2:checked ~ .arzo-thumb-strip .t2,
#pic3:checked ~ .arzo-thumb-strip .t3,
#pic4:checked ~ .arzo-thumb-strip .t4 {
    border-color: var(--arzo-vitality);
    opacity: 1;
    box-shadow: 0 4px 10px var(--arzo-shade);
}

/* Product Info */
.arzo-item-heading {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.arzo-item-details {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    font-size: 1rem;
}

/* CTA Zone */
.arzo-action-zone {
    margin: 4rem 0;
    text-align: center;
}

.arzo-buy-trigger {
    display: inline-block;
    padding: 1rem 3rem;
    font-size: 1.25rem;
    font-family: var(--font-display);
    font-weight: 700;
    text-decoration: none;
    border-radius: 999px;
    box-shadow: 0 4px 12px var(--arzo-shade);
    transition: all 0.3s ease;
}

.arzo-buy-trigger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--arzo-shade);
    background: var(--arzo-vitality-hover);
}

/* Reviews */
.arzo-buyers-voice {
    margin-top: 3rem;
}

.arzo-voice-heading {
    font-size: 1.75rem;
    text-align: center;
    margin-bottom: 2.5rem;
}

.arzo-voice-entry {
    padding: 2rem;
    margin-bottom: 1.5rem;
    border-radius: 16px;
    border-left: 4px solid var(--arzo-vitality);
}

.arzo-voice-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.arzo-voice-ava {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    background: #e2e8f0;
}

.arzo-voice-meta {
    display: flex;
    flex-direction: column;
}

.arzo-voice-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.arzo-voice-stars {
    color: #fbbf24;
    letter-spacing: 2px;
}

.arzo-voice-date {
    font-size: 0.85rem;
    opacity: 0.7;
    margin-bottom: 1rem;
}

.arzo-voice-words {
    line-height: 1.7;
}

.arzo-shadow {
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

/* Footer */
.arzo-bottom-ledger {
    padding: 3rem 1rem;
    text-align: center;
    margin-top: 4rem;
}

.arzo-bottom-inner {
    max-width: 800px;
    margin: 0 auto;
}

.arzo-bottom-links a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s;
}

.arzo-bottom-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

@media (max-width: 768px) {
    .arzo-item-heading {
        font-size: 1.4rem;
    }
    .arzo-buy-trigger {
        width: 100%;
        padding: 1rem;
    }
    .arzo-voice-entry {
        padding: 1.5rem;
    }
}