.product-detail {
padding: 2.4rem 0 2rem;
    background: #fff;
}

.pd-grid {
display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.pd-gallery {
display: block;
}

.pd-gallery__stage {
position: relative;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 18px;
    overflow: hidden;
    
    aspect-ratio: 4 / 3;
    
    padding: 16px;
}

.pd-gallery__main {
width: 100%; height: 100%;
    
    object-fit: contain;
    object-position: center;
    display: block;
    transition: opacity .25s ease;
}

.pd-info {
display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-self: start;
}

.pd-info__top {
display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    flex-wrap: wrap;
}

.pd-info__category {
display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .75rem;
    background: rgba(155, 17, 30, .1);
    
    color: #6e1420;
    border: 1px solid rgba(127, 29, 29, .28);
    border-radius: 999px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    transition: background .2s ease, color .2s ease;
}

.pd-info__category:hover {
background: rgba(155, 17, 30, .14);
    color: #450a0a;
}

.pd-info__code {
font-size: .78rem;
    color: #64748b;
    letter-spacing: .02em;
}

.pd-info__code strong {
color: var(--c-coal); font-weight: 700; letter-spacing: .04em;
}

.pd-info__title {
font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.6rem, 3.2vw, 2.2rem);
    font-weight: 700;
    line-height: 1.18;
    color: var(--c-coal);
    margin: 0;
    letter-spacing: -.015em;
}

.pd-info__lead {
margin: 0;
    color: #475569;
    font-size: .98rem;
    line-height: 1.72;
}

.pd-info__actions {
display: flex;
    flex-wrap: wrap;
    gap: .65rem;
}

.pd-info__actions .btn-primary {
display: inline-flex; align-items: center; gap: .5rem;
}

.pd-trust li {
display: flex;
    align-items: center;
    gap: .55rem;
    font-size: .88rem;
    color: #475569;
}

.pd-trust svg {
color: var(--c-red); flex-shrink: 0;
}

.pd-section-head {
display: flex;
    align-items: flex-start;
    gap: 1.1rem;
    margin-bottom: 1.8rem;
    padding-bottom: 1.4rem;
    border-bottom: 1px solid var(--c-border);
}

.pd-section-head--light {
border-bottom-color: #e5e7eb;
}

.pd-section-head .section-eyebrow {
color: var(--c-text-eyebrow, #6e1420);
    margin: 0 0 .35rem;
    display: block;
}

.pd-section-head .section-title {
margin: 0;
    font-size: clamp(1.4rem, 2.6vw, 1.75rem);
    line-height: 1.2;
}

.pd-specs .pd-section-head {
justify-content: center;
}

.pd-specs .pd-section-head > div {
width: 100%;
}

.pd-specs .pd-section-head .section-title {
text-align: center;
}

.pd-info__description {
color: #475569;
    font-size: .95rem;
    line-height: 1.78;
}

.pd-info__description p {
margin: 0 0 .85rem;
}

.pd-info__description p:last-child {
margin: 0;
}

.pd-specs {
background: var(--c-surface);
    padding: 3.2rem 0 3.4rem;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}

.pd-specs__grid {
display: grid;
    grid-template-columns: 1fr;
    gap: .75rem;
}

.spec-card {
position: relative;
    display: flex;
    flex-direction: column;
    gap: .65rem;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 14px;
    padding: 1.15rem 1.1rem 1.1rem;
    transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
    overflow: hidden;
}

.spec-card::before {
content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px; height: 100%;
    background: linear-gradient(180deg, var(--c-red) 0%, transparent 100%);
    opacity: 0;
    transition: opacity .25s ease;
}

.spec-card:hover {
border-color: rgba(155, 17, 30, .25);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(15, 23, 42, .06);
}

.spec-card:hover::before {
opacity: 1;
}

.spec-card__icon {
display: grid;
    place-items: center;
    width: 38px; height: 38px;
    border-radius: 10px;
    color: var(--c-red);
    background: rgba(155, 17, 30, .08);
    border: 1px solid rgba(155, 17, 30, .15);
}

.spec-card__label {
margin: 0;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #475569;
}

.spec-card__value {
font-family: 'Space Grotesk', sans-serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--c-coal);
    line-height: 1.2;
    letter-spacing: -.005em;
    display: flex;
    align-items: baseline;
    gap: .35rem;
    flex-wrap: wrap;
}

.spec-card__value small,
.spec-card__unit {
font-size: .72rem;
    font-weight: 600;
    
    color: #64748b;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.pd-specs__note {
margin: 1.4rem 0 0;
    font-size: .82rem;
    color: #475569;
    font-style: italic;
}

.pd-quote {
background: #fff;
    padding: 3.2rem 0 4rem;
    scroll-margin-top: calc(var(--header-stick-total) + var(--topbar-h) + 10px);
}

.pd-quote__shell {
display: grid;
    grid-template-columns: 1fr;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 22px;
    overflow: hidden;
    box-shadow: 0 26px 60px rgba(15, 23, 42, .08);
}

.pd-quote__aside {
position: relative;
    padding: 2rem 1.6rem 1.8rem;
    background:
        linear-gradient(160deg, #111827 0%, #0b1120 60%, #0a0f1d 100%);
    color: rgba(255, 255, 255, .85);
    overflow: hidden;
    isolation: isolate;
}

.pd-quote__aside::before {
content: '';
    position: absolute;
    top: -90px; right: -90px;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(155, 17, 30, .55) 0%, rgba(155, 17, 30, 0) 70%);
    filter: blur(8px);
    z-index: -1;
}

.pd-quote__aside::after {
content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: radial-gradient(ellipse at 30% 20%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at 30% 20%, #000 30%, transparent 75%);
    z-index: -1;
}

.pd-quote__aside .pd-section-head__num {
margin-bottom: 1rem;
    display: inline-block;
}

.pd-quote__eyebrow {
display: inline-block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .82);
    padding: .25rem .65rem;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    margin-bottom: 4rem;
}

.pd-quote__title {
font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.45rem, 2.8vw, 1.85rem);
    font-weight: 700;
    line-height: 1.18;
    color: #fff;
    margin: 0 0 .8rem;
    letter-spacing: -.01em;
}

.pd-quote__title span {
color: var(--c-red);
    background: linear-gradient(180deg, transparent 65%, rgba(155, 17, 30, .25) 65%);
    padding: 0 .15rem;
}

.pd-quote__lead {
margin: 0 0 1.4rem;
    font-size: .94rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, .78);
    max-width: 36ch;
}

.pd-quote__lead strong {
color: #fff; font-weight: 700;
}

.pd-quote__list {
list-style: none;
    margin: 0 0 1.6rem;
    padding: 0;
    display: grid;
    gap: .65rem;
}

.pd-quote__list li {
display: flex;
    align-items: center;
    gap: .55rem;
    font-size: .9rem;
    color: rgba(255, 255, 255, .85);
}

.pd-quote__list svg {
color: var(--c-red); flex-shrink: 0;
}

.pd-quote__form {
padding: 1.7rem 1.4rem 1.9rem;
    background: #fff;
    display: grid;
    grid-template-columns: 1fr;
    gap: .85rem;
}

.pd-quote__product {
display: flex;
    align-items: center;
    gap: .85rem;
    padding: .75rem .85rem;
    
    background: #fff;
    border: 1px dashed #cbd5e1;
    border-radius: 12px;
    margin-bottom: .35rem;
    color: #0f172a;
}

.pd-quote__product div {
display: flex;
    flex-direction: column;
    min-width: 0;
    gap: .55rem;
}

.pd-quote__product-label {
font-size: .72rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: #1e293b;
    line-height: 1.35;
}

.pd-quote__product strong {
font-family: 'Space Grotesk', sans-serif;
    font-size: .98rem;
    font-weight: 600;
    color: #0f172a;
    line-height: 1.45;
}

.pd-quote__form .form-row {
display: flex;
    flex-direction: column;
    gap: .4rem;
}

.pd-quote__form label {
font-size: .82rem;
    font-weight: 700;
    color: #334155;
}

.pd-quote__form label span[aria-hidden="true"] {
color: var(--c-red);
}

.pd-quote__form input:not([type="checkbox"]),
.pd-quote__form textarea,
.pd-quote__form select {
width: 100%;
    border: 1px solid #e2e8f0;
    background: #f8fafc;
    color: var(--c-coal);
    border-radius: 10px;
    padding: .8rem .9rem;
    font-size: .93rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.pd-quote__form input::placeholder,
.pd-quote__form textarea::placeholder {
color: #94a3b8;
}

.pd-quote__form input:focus,
.pd-quote__form textarea:focus,
.pd-quote__form select:focus {
outline: none;
    border-color: var(--c-red);
    box-shadow: 0 0 0 4px rgba(155, 17, 30, .12);
    background: #fff;
}

.pd-quote__form textarea {
resize: vertical;
    min-height: 110px;
}

@media (min-width: 720px) {
  .pd-specs__grid {
grid-template-columns: repeat(2, 1fr);
        gap: .9rem;
}
  .pd-quote__form {
grid-template-columns: 1fr 1fr;
        gap: 1rem;
}
  .pd-quote__form .form-row--full {
grid-column: 1 / -1;
}
  .pd-quote__product {
grid-column: 1 / -1;
}
}

@media (min-width: 1024px) {
  .product-detail {
padding: 3.2rem 0 3.4rem;
}
  .pd-grid {
grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
        gap: 2.2rem;
        align-items: start;
}
  .pd-gallery {
position: sticky;
        top: 130px;
        max-width: min(100%, 440px);
        justify-self: start;
        width: 100%;
}
  .pd-gallery__stage {
padding: 12px;
}
  .pd-specs {
padding: 4.4rem 0 4.6rem;
}
  .pd-specs__grid {
grid-template-columns: repeat(4, 1fr);
        gap: .95rem;
}
  .pd-quote {
padding: 4.4rem 0 5.4rem;
}
  .pd-quote__shell {
grid-template-columns: minmax(0, .85fr) minmax(0, 1.2fr);
}
  .pd-quote__aside {
padding: 2.6rem 2.2rem 2.4rem;
}
  .pd-quote__form {
padding: 2.4rem 2.2rem 2.6rem;
}
}

.pd-gallery__placeholder {
width: 100%; height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #cbd5e1;
}

.pd-gallery__thumbs {
margin: 1rem 0 0;
    padding: 0;
    list-style: none;
    display: flex;
    gap: .65rem;
    flex-wrap: wrap;
}

.pd-gallery__thumbs > li {
margin: 0;
    padding: 0;
}

.pd-gallery__thumb {
width: 78px;
    height: 78px;
    border: 2px solid var(--c-border);
    background: var(--c-surface);
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    padding: 0;
    transition: border-color .2s ease, transform .15s ease;
}

.pd-gallery__thumb:hover {
border-color: #d1d5db; transform: translateY(-2px);
}

.pd-gallery__thumb.is-active {
border-color: var(--c-red, #9b111e);
}

.pd-gallery__thumb img {
width: 100%; height: 100%;
    object-fit: cover;
    display: block;
}

.pd-info__description {
color: #475569;
    line-height: 1.75;
    font-size: .95rem;
}

.pd-info__description p {
margin: 0 0 .9rem;
}

.pd-info__description ul,
.pd-info__description ol {
margin: 0 0 1rem 1.25rem; padding: 0;
}

.pd-info__description li {
margin: .25rem 0;
}

.pd-info__description strong {
color: var(--c-coal, #131417);
}

.pd-info__description a {
color: var(--c-red, #9b111e); text-decoration: underline; text-underline-offset: 2px;
}
