/* --- PRODUCT HEADER SECTION --- */
.product-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 40px;
    margin-bottom: 60px;
    align-items: start;
}

/* Left: Image */
.product-gallery {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    background: white;
}
.product-main-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Right: Info */
.product-info {
    padding: 10px;
}
.product-tag {
    display: inline-block;
    background: #dbeafe;
    color: #1e40af;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 15px;
}
.product-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #1e293b;
    margin-bottom: 15px;
    line-height: 1.2;
}
.product-price-large {
    font-size: 1.5rem;
    color: #22c55e;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}
.price-strike {
    text-decoration: line-through;
    color: #94a3b8;
    font-size: 1.2rem;
    font-weight: normal;
}

.cta-box {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center; /* Ensures button is centered */
}

/* The new wrapper controlling the layout */
.guarantee-container {
    display: flex;
    flex-direction: column; /* Default: Stacked (Mobile) */
    align-items: center;
    gap: 8px; /* Space between items when stacked */
    margin-top: 15px;
}

.guarantee-text {
    font-size: 0.85rem;
    color: #64748b;
    /* Removed margin-top from here, handled by gap in container */
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

/* For PC / Wide Screens: Switch to Side-by-Side */
@media (min-width: 768px) {
    .guarantee-container {
        flex-direction: row; /* Switch to row */
        justify-content: center;
        gap: 25px; /* Bigger space between the two texts on PC */
    }
}

.btn-buy-large {
    display: block;
    width: 100%;
    background-color: #3b82f6;
    color: white;
    text-align: center;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 8px;
    text-decoration: none;
    transition: transform 0.2s, background 0.2s;
    border: none;
    cursor: pointer;
}
.btn-buy-large:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
}

/* --- CONTENT BODY --- */
.product-body {
    max-width: 1000px;
    margin: 0 auto;
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.8;
    font-size: 1.1rem;
    color: #334155;
}
.product-body h2 {
    font-size: 1.8rem;
    color: #0f172a;
    margin-top: 40px;
    margin-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 10px;
}
.product-body p { margin-bottom: 20px; }
.product-body ul { margin-bottom: 20px; padding-left: 20px; }
.product-body li { margin-bottom: 10px; }
.product-body img {
    max-width: 100%;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .product-header { grid-template-columns: 1fr; gap: 20px; }
    .product-title { font-size: 2rem; }
}

.callout {
    padding: 1rem;
    border-left-width: 4px;
    border-radius: 0 0.5rem 0.5rem 0;
    margin-bottom: 1.5rem;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
}

.callout.info {
    border-left-color: var(--primary);
}