.product-detail-page {
    --detail-ink: #102a43;
    --detail-muted: #607487;
    --detail-accent: #49b27a;
    --detail-paper: #49b27a;
    --detail-line: rgba(16, 42, 67, 0.14);
    background: #fff;
    color: var(--detail-ink);
}

.product-detail-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 7rem 1.5rem;
}

.product-detail-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: clamp(2rem, 7vw, 7rem);
    align-items: center;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--detail-line);
}

.product-detail-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--detail-accent);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.product-detail-kicker::before {
    width: 2.5rem;
    height: 1px;
    content: "";
    background: var(--detail-accent);
}

.product-detail-hero h1 {
    margin: 1.25rem 0;
    color: var(--detail-ink);
    font-size: clamp(2.5rem, 6vw, 2.6rem);
    line-height: 1;
}

.product-detail-hero h1 span {
    color: var(--detail-accent);
}

.product-detail-summary {
    margin-top: 1.8rem;
    color: var(--detail-muted);
    font-size: 1.08rem;
    line-height: 1.9;
}

.product-detail-hero-media {
    display: flex;
    min-height: 330px;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    border: 1px solid var(--detail-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 1.25rem 3rem rgba(16, 42, 67, 0.08);
}

.product-detail-hero-media img {
    display: block;
    width: 100%;
    max-height: 330px;
    object-fit: contain;
}

.product-detail-gallery {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    width: 100%;
}

.product-detail-gallery img {
    min-width: 0;
}

.product-detail-section {
    padding-top: 5rem;
}

.product-detail-section h2 {
    margin: 0 0 2rem;
    color: var(--detail-ink);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 1.5rem;
}

.product-detail-panel {
    padding: clamp(1.5rem, 4vw, 3rem);
    border: 1px solid var(--detail-line);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 1rem 2.5rem rgba(16, 42, 67, 0.05);
}

.product-detail-panel h3 {
    margin: 0 0 1.25rem;
    color: var(--detail-ink);
    font-size: 1.35rem;
}

.product-detail-panel p {
    margin: 0;
    color: var(--detail-muted);
    font-size: 1rem;
    line-height: 1.9;
}

.product-detail-list {
    display: grid;
    gap: 0.9rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.product-detail-list li {
    display: grid;
    grid-template-columns: 1.2rem 1fr;
    gap: 0.75rem;
    color: var(--detail-muted);
    font-size: 1rem;
    line-height: 1.75;
}

.product-detail-list li::before {
    color: var(--detail-accent);
    content: "✓";
    font-weight: 700;
}

.product-detail-specs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--detail-line);
}

.product-detail-spec {
    padding: 1.25rem;
    background: #fff;
}

.product-detail-spec strong {
    display: block;
    margin-bottom: 0.35rem;
    color: var(--detail-ink);
    font-size: 0.9rem;
}

.product-detail-spec span {
    color: var(--detail-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.product-detail-note {
    margin-top: 1.5rem;
    padding: 1.5rem 1.75rem;
    border-left: 3px solid var(--detail-accent);
    background: #e9f0f4;
    color: var(--detail-ink);
    font-size: 1.15rem;
    line-height: 1.7;
}

@media (max-width: 760px) {
    .product-detail-shell {
        padding: 4.5rem 1.25rem 5rem;
    }

    .product-detail-hero,
    .product-detail-grid {
        grid-template-columns: 1fr;
    }

    .product-detail-hero-media {
        min-height: 240px;
    }

    .product-detail-specs {
        grid-template-columns: 1fr;
    }
}

.product-detail-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 2rem;
    color: var(--detail-muted);
    font-size: 0.9rem;
}

.product-detail-breadcrumb a {
    color: var(--detail-accent);
    text-decoration: none;
}

.product-detail-breadcrumb a:hover {
    text-decoration: underline;
}

.product-detail-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 1.75rem;
    padding: 0.75rem 1.15rem;
    border: 1px solid var(--detail-accent);
    border-radius: 5px;
    color: var(--detail-accent);
    font-weight: 700;
    text-decoration: none;
    transition: background 200ms ease, color 200ms ease;
}

.product-detail-back:hover {
    background: var(--detail-accent);
    color: #fff;
}

.product-detail-empty {
    min-height: 55vh;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.product-detail-empty h1 {
    margin: 0 0 1rem;
    color: var(--detail-ink);
}

.product-detail-empty p {
    margin: 0;
    color: var(--detail-muted);
}