.pf-product {
    --pf-ink: #15171a;
    --pf-muted: #616873;
    --pf-line: #d9dde3;
    --pf-sheet: #f7f8fa;
    --pf-cobalt: #1b65d8;
    --pf-amber: #b7812c;
    color: var(--pf-ink);
}

@media (prefers-reduced-motion: reduce) {
    .pf-product *,
    .pf-product *::before,
    .pf-product *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

.pf-series {
    max-width: 1240px;
    margin: 0 auto 64px;
    padding: 0 24px;
    box-sizing: border-box;
    color: #15171a;
}

.pf-series-intro {
    display: grid;
    gap: 12px;
    max-width: 920px;
    margin-bottom: 24px;
}

.pf-series-kicker {
    display: inline-flex;
    width: fit-content;
    min-height: 28px;
    align-items: center;
    border: 1px solid #d9dde3;
    padding: 0 10px;
    color: #1b65d8;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
}

.pf-series h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 1.08;
}

.pf-series p {
    margin: 0;
    color: #616873;
    line-height: 1.7;
}

.pf-series-stats,
.pf-series-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pf-series-stats span {
    border: 1px solid #d9dde3;
    background: #f7f8fa;
    padding: 7px 10px;
    font-size: 0.8rem;
    font-weight: 800;
}

.pf-series-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 24px;
}

.pf-series-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.pf-series-card {
    display: grid;
    grid-template-rows: 220px auto auto;
    border: 1px solid #d9dde3;
    background: #fff;
}

.pf-series-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 18px;
    background: linear-gradient(#fff, #f7f8fa);
    border-bottom: 1px solid #d9dde3;
}

.pf-series-card div {
    padding: 16px 16px 0;
}

.pf-series-card span {
    display: inline-flex;
    color: #1b65d8;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
}

.pf-series-card h3 {
    margin: 8px 0 6px;
    font-size: 1.05rem;
    line-height: 1.25;
}

.pf-series-card p {
    color: #616873;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.82rem;
}

.pf-series-card .pf-series-actions {
    padding: 16px;
    margin-top: auto;
}

.pf-series-actions a {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    border: 1px solid #d9dde3;
    padding: 0 10px;
    color: #15171a;
    font-size: 0.78rem;
    font-weight: 800;
    text-decoration: none;
}

.pf-series-actions a:first-child {
    border-color: #1b65d8;
    color: #1b65d8;
}

.pf-series-large .pf-series-toolbar {
    margin-bottom: 18px;
}

.pf-series-jumpnav {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 0 0 28px;
}

.pf-series-jumpnav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 46px;
    border: 1px solid #d9dde3;
    background: #fff;
    padding: 0 12px;
    color: #15171a;
    text-decoration: none;
    transition: border-color 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.pf-series-jumpnav a:hover {
    border-color: #1b65d8;
    color: #1b65d8;
    transform: translateY(-1px);
}

.pf-series-jumpnav strong {
    font-size: 0.82rem;
    line-height: 1.2;
}

.pf-series-jumpnav span {
    display: inline-grid;
    place-items: center;
    min-width: 30px;
    height: 24px;
    background: #f7f8fa;
    color: #616873;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.72rem;
    font-weight: 800;
}

.pf-series-group {
    scroll-margin-top: 96px;
    margin: 0 0 36px;
}

.pf-series-group-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 18px;
    align-items: end;
    margin: 0 0 16px;
    padding: 18px 0 12px;
    border-bottom: 1px solid #d9dde3;
}

.pf-series-group-head span {
    grid-column: 2;
    grid-row: 1 / span 2;
    align-self: center;
    color: #1b65d8;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
}

.pf-series-group-head h3 {
    margin: 0;
    color: #15171a;
    font-size: clamp(1.18rem, 2vw, 1.6rem);
    line-height: 1.2;
}

.pf-series-group-head p {
    margin: 0;
    color: #616873;
    line-height: 1.55;
}

@media (max-width: 980px) {
    .pf-series-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pf-series-jumpnav {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 620px) {
    .pf-series-grid {
        grid-template-columns: 1fr;
    }

    .pf-series-card {
        grid-template-rows: 190px auto auto;
    }

    .pf-series {
        padding: 0 18px;
    }

    .pf-series-jumpnav {
        grid-template-columns: 1fr;
    }

    .pf-series-group-head {
        grid-template-columns: 1fr;
    }

    .pf-series-group-head span {
        grid-column: auto;
        grid-row: auto;
        justify-self: start;
    }
}

.pf-product-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.55fr);
    gap: 32px;
    max-width: 1240px;
    margin: 0 auto 48px;
}

.pf-media,
.pf-summary {
    border: 1px solid var(--pf-line);
    background: #fff;
}

.pf-media-tabs {
    display: flex;
    min-height: 48px;
    border-bottom: 1px solid var(--pf-line);
    background: #fff;
    overflow-x: auto;
}

.pf-media-tabs button {
    flex: 0 0 auto;
    min-height: 48px;
    padding: 0 18px;
    border: 0;
    border-right: 1px solid var(--pf-line);
    background: #fff;
    color: var(--pf-muted);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.pf-media-tabs button.is-active {
    color: var(--pf-ink);
    box-shadow: inset 0 -3px 0 var(--pf-cobalt);
}

.pf-media-tabs button:disabled {
    color: #a0a6af;
    cursor: not-allowed;
    background: #f4f5f7;
}

.pf-media-panel {
    display: none;
    min-height: 420px;
    aspect-ratio: 4 / 3;
    place-items: center;
    padding: 28px;
    background: linear-gradient(#fff, var(--pf-sheet));
}

.pf-media-panel.is-active {
    display: grid;
}

.pf-media-panel img {
    display: block;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.pf-media-panel-drawing {
    aspect-ratio: 1.398 / 1;
    background:
        linear-gradient(rgba(21, 23, 26, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(21, 23, 26, 0.04) 1px, transparent 1px),
        #fff;
    background-size: 24px 24px;
}

.pf-drawing-link {
    position: relative;
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
}

.pf-zoom-hint {
    position: absolute;
    right: 12px;
    bottom: 12px;
    padding: 6px 10px;
    background: rgba(21, 23, 26, 0.82);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 700;
}

.pf-media-panel model-viewer {
    width: 100%;
    height: 420px;
    background: var(--pf-sheet);
}

.pf-cad-fallback {
    max-width: 360px;
    text-align: center;
    color: var(--pf-muted);
}

.pf-cad-fallback strong {
    display: block;
    margin: 8px 0;
    color: var(--pf-ink);
    font-size: 1.15rem;
}

.pf-cad-kicker,
.pf-sku {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border: 1px solid var(--pf-line);
    background: var(--pf-sheet);
    color: var(--pf-cobalt);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
}

.pf-summary {
    position: sticky;
    top: 96px;
    align-self: start;
    padding: 24px;
}

.pf-summary h2 {
    margin: 16px 0 10px;
    color: var(--pf-ink);
    font-size: clamp(1.45rem, 2vw, 2rem);
    line-height: 1.18;
}

.pf-summary-copy {
    margin: 0 0 20px;
    color: var(--pf-muted);
    line-height: 1.62;
}

.pf-spec-list {
    margin: 0;
    border-top: 1px solid var(--pf-line);
}

.pf-spec-list div {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
    padding: 12px 0;
    border-bottom: 1px solid var(--pf-line);
}

.pf-spec-list dt {
    color: var(--pf-muted);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.pf-spec-list dd {
    margin: 0;
    color: var(--pf-ink);
    font-weight: 700;
}

.pf-summary-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.pf-asset-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 18px;
}

.pf-asset-badges span {
    border: 1px solid var(--pf-line);
    padding: 5px 8px;
    color: var(--pf-muted);
    font-size: 0.76rem;
    font-weight: 800;
}

.pf-engineering {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    max-width: 920px;
    margin: 0 auto;
    padding: 0 24px 76px;
    color: #e2e8f0;
    scroll-margin-top: 96px;
}

.pf-engineering-disclaimer {
    grid-column: 1 / -1;
    position: relative;
    margin: 0 0 4px;
    padding: 16px 18px 16px 50px;
    border: 1px solid rgba(96, 165, 250, 0.24);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.13), rgba(14, 165, 233, 0.04)),
        rgba(15, 23, 42, 0.58);
    color: #c8d4e8;
    font-size: 0.84rem;
    line-height: 1.62;
}

.pf-engineering-disclaimer::before {
    content: "i";
    position: absolute;
    left: 18px;
    top: 17px;
    display: grid;
    width: 20px;
    height: 20px;
    place-items: center;
    border: 1px solid rgba(147, 197, 253, 0.52);
    border-radius: 50%;
    color: #bfdbfe;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.72rem;
    font-weight: 800;
}

.pf-engineering-disclaimer strong {
    color: #fff;
}

/* Engineering section cards */
.pf-engineering .pd-section {
    grid-column: 1 / -1;
    position: relative;
    min-width: 0;
    margin: 0;
    padding: 24px 26px 26px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-left: 4px solid rgba(96, 165, 250, 0.72);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.82), rgba(17, 24, 39, 0.62)),
        radial-gradient(circle at 100% 0, rgba(96, 165, 250, 0.12), transparent 36%);
    box-shadow: 0 18px 38px rgba(2, 6, 23, 0.18);
    backdrop-filter: blur(8px);
}

.pf-engineering > .pd-section,
.pf-engineering > .pd-cta {
    grid-column: 1 / -1;
}

.pf-engineering .pd-section::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.05), transparent 22%);
}

.pf-engineering .pd-section h2 {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 16px;
    padding: 0;
    color: #f1f5f9;
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: 0;
    line-height: 1.3;
}

.pf-engineering .pd-section h2::before {
    content: "";
    flex: 0 0 auto;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(96, 165, 250, 0.8);
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.9);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.pf-engineering .pd-section h3 {
    margin: 22px 0 10px;
    color: #e2e8f0;
    font-size: 1.02rem;
    font-weight: 700;
}

.pf-engineering .pd-section p,
.pf-engineering .pd-section li {
    position: relative;
    z-index: 1;
    margin: 0 0 12px;
    color: #b8c4d8;
    font-size: 0.88rem;
    line-height: 1.74;
}

.pf-engineering .pd-section ul {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 9px;
    margin: 14px 0 0;
    padding: 0;
    list-style: none;
}

.pf-engineering .pd-section li {
    margin: 0;
    padding-left: 22px;
}

.pf-engineering .pd-section li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 8px;
    height: 2px;
    background: #60a5fa;
}

/* Engineering table */
.pf-engineering .pd-table,
.pf-engineering .pf-spec-table {
    position: relative;
    z-index: 1;
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 14px 0 0;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 6px;
    overflow: hidden;
    font-size: 0.84rem;
    background: rgba(2, 6, 23, 0.18);
}

.pf-engineering .pd-table th,
.pf-engineering .pf-spec-table th {
    width: 34%;
    min-width: 170px;
    padding: 13px 16px;
    background: rgba(30, 41, 59, 0.86);
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
    border-right: 1px solid rgba(148, 163, 184, 0.12);
    color: #93c5fd;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-align: left;
    vertical-align: top;
}

.pf-engineering .pd-table td,
.pf-engineering .pf-spec-table td {
    padding: 13px 16px;
    border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    color: #d7dfec;
    line-height: 1.62;
    vertical-align: top;
    overflow-wrap: anywhere;
}

.pf-engineering .pd-table tr:last-child th,
.pf-engineering .pd-table tr:last-child td {
    border-bottom: none;
}

.pf-engineering .pd-table tr:nth-child(even) td {
    background: rgba(96, 165, 250, 0.04);
}

.pf-engineering .pd-table tr:hover th,
.pf-engineering .pd-table tr:hover td {
    background: rgba(96, 165, 250, 0.08);
}

/* Engineering CTA card inside sections */
.pf-engineering .pd-cta {
    margin: 2px 0 0;
    padding: 26px 30px;
    border: 1px solid rgba(245, 158, 11, 0.28);
    border-radius: 8px;
    background:
        linear-gradient(135deg, rgba(245, 158, 11, 0.13), rgba(37, 99, 235, 0.07)),
        rgba(15, 23, 42, 0.58);
    box-shadow: 0 16px 34px rgba(2, 6, 23, 0.2);
    text-align: left;
}

.pf-engineering .pd-cta-heading {
    margin: 0 0 8px;
    color: #f1f5f9;
    font-size: 1.18rem;
    font-weight: 800;
    letter-spacing: 0;
}

.pf-engineering .pd-cta-subtitle {
    margin: 0 0 18px;
    max-width: 760px;
    color: #b8c4d8;
    font-size: 0.88rem;
    line-height: 1.6;
}

.pf-series {
    max-width: 1240px;
    margin: 0 auto 64px;
    padding: 0 24px;
    box-sizing: border-box;
    color: #15171a;
}

.pf-series-intro {
    display: grid;
    gap: 12px;
    max-width: 920px;
    margin-bottom: 24px;
}

.pf-series-kicker {
    display: inline-flex;
    width: fit-content;
    min-height: 28px;
    align-items: center;
    border: 1px solid #d9dde3;
    padding: 0 10px;
    color: #1b65d8;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
}

.pf-series h2 {
    margin: 0;
    color: #fff;
    font-size: clamp(1.8rem, 3vw, 3rem);
    line-height: 1.08;
}

.pf-series p {
    margin: 0;
    color: #9aa6b8;
    line-height: 1.7;
}

.pf-series-stats,
.pf-series-actions,
.pf-series-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pf-series-stats span {
    border: 1px solid #d9dde3;
    background: #f7f8fa;
    padding: 7px 10px;
    color: #15171a;
    font-size: 0.8rem;
    font-weight: 800;
}

.pf-series-toolbar {
    gap: 10px;
    margin: 0 0 24px;
}

.pf-series-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.pf-series-card {
    display: grid;
    grid-template-rows: 220px auto auto;
    border: 1px solid #d9dde3;
    background: #fff;
}

.pf-series-card img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 18px;
    background: linear-gradient(#fff, #f7f8fa);
    border-bottom: 1px solid #d9dde3;
}

.pf-series-card div {
    padding: 16px 16px 0;
}

.pf-series-card span {
    display: inline-flex;
    color: #1b65d8;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
}

.pf-series-card h3 {
    margin: 8px 0 6px;
    color: #15171a;
    font-size: 1.05rem;
    line-height: 1.25;
}

.pf-series-card p {
    color: #616873;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.82rem;
}

.pf-series-card .pf-series-actions {
    padding: 16px;
    margin-top: auto;
}

.pf-series-actions a {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    border: 1px solid #d9dde3;
    padding: 0 10px;
    color: #15171a;
    font-size: 0.78rem;
    font-weight: 800;
    text-decoration: none;
}

.pf-series-actions a:first-child {
    border-color: #1b65d8;
    color: #1b65d8;
}

@media (max-width: 900px) {
    .pf-product-shell {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .pf-summary {
        position: static;
    }

    .pf-media-panel {
        min-height: 280px;
        padding: 18px;
    }

    .pf-series-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .pf-engineering {
        grid-template-columns: 1fr;
        gap: 14px;
        max-width: 720px;
    }

    .pf-engineering .pd-section,
    .pf-engineering > .pd-section:nth-of-type(1),
    .pf-engineering > .pd-section:nth-of-type(5),
    .pf-engineering > .pd-cta,
    .pf-engineering-disclaimer {
        grid-column: 1 / -1;
    }
}

@media (max-width: 560px) {
    .pf-spec-list div {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .pf-summary-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .pp-asset-expansion,
    .pf-series-grid {
        grid-template-columns: 1fr;
    }

    .pf-series {
        padding: 0 18px;
    }

    .pf-series-card {
        grid-template-rows: 190px auto auto;
    }

    .pf-engineering {
        padding: 6px 18px 48px;
    }

    .pf-engineering .pd-section,
    .pf-engineering .pd-cta {
        padding: 20px 18px;
    }

    .pf-engineering .pd-section h2 {
        font-size: 1rem;
    }

    .pf-engineering .pd-table,
    .pf-engineering .pd-table tbody,
    .pf-engineering .pd-table tr,
    .pf-engineering .pd-table th,
    .pf-engineering .pd-table td {
        display: block;
        width: 100%;
    }

    .pf-engineering .pd-table th {
        min-width: 0;
        padding: 12px 14px 5px;
        border-right: 0;
        border-bottom: 0;
    }

    .pf-engineering .pd-table td {
        padding: 4px 14px 13px;
    }

    .pf-engineering .pd-table tr {
        border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }

    .pf-engineering .pd-table tr:last-child {
        border-bottom: 0;
    }
}

/* Products landing: expanded technical series module */
.pp-asset-expansion {
    max-width: 1200px;
    margin: 30px auto 8px;
    padding: 0 24px;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    gap: 20px;
    background: transparent;
    border: 0;
}

.pp-asset-head {
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(37, 99, 235, 0.02)),
        var(--card-bg, #181818);
    padding: 22px;
}

.pp-asset-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 9px;
    border: 1px solid rgba(96, 165, 250, 0.35);
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent-light, #60a5fa);
    font-family: monospace;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
}

.pp-asset-expansion h2 {
    margin: 14px 0 10px;
    color: var(--text-primary, #fff);
    font-size: clamp(1.25rem, 2.2vw, 1.85rem);
    font-weight: 800;
    line-height: 1.16;
}

.pp-asset-expansion p {
    margin: 0;
    color: var(--text-secondary, #b8c0cc);
    font-size: 0.9rem;
    line-height: 1.68;
}

.pp-asset-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
    align-self: start;
}

.pp-asset-metrics div {
    min-height: 86px;
    display: grid;
    align-content: center;
    gap: 5px;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    background: var(--card-bg, #181818);
    padding: 12px;
}

.pp-asset-metrics strong {
    color: var(--text-primary, #fff);
    font-family: monospace;
    font-size: 1.25rem;
    line-height: 1;
}

.pp-asset-metrics span {
    color: var(--text-muted, #7d8794);
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    line-height: 1.25;
}

.pp-series-links {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.pp-series-link {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    grid-template-areas:
        "code title"
        "code meta";
    gap: 4px 14px;
    align-items: center;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    background: var(--card-bg, #181818);
    padding: 16px;
    color: inherit;
    text-decoration: none;
    transition: border-color var(--transition-fast, 0.16s ease), transform var(--transition-fast, 0.16s ease);
}

.pp-series-link:hover {
    border-color: var(--accent, #2563eb);
    transform: translateY(-1px);
}

.pp-series-link span {
    grid-area: code;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border: 1px solid rgba(96, 165, 250, 0.35);
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent-light, #60a5fa);
    font-family: monospace;
    font-size: 0.82rem;
    font-weight: 800;
}

.pp-series-link strong {
    grid-area: title;
    color: var(--text-primary, #fff);
    font-size: 0.95rem;
    line-height: 1.25;
}

.pp-series-link em {
    grid-area: meta;
    color: var(--text-secondary, #b8c0cc);
    font-size: 0.76rem;
    font-style: normal;
    line-height: 1.45;
}

.pp-series-compact {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding-top: 2px;
}

.pp-series-compact a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    border: 1px solid var(--border-color, rgba(255, 255, 255, 0.1));
    background: rgba(255, 255, 255, 0.035);
    padding: 0 12px 0 8px;
    color: var(--text-secondary, #b8c0cc);
    font-size: 0.78rem;
    font-weight: 700;
    text-decoration: none;
    transition: border-color var(--transition-fast, 0.16s ease), color var(--transition-fast, 0.16s ease), background var(--transition-fast, 0.16s ease);
}

.pp-series-compact a:hover {
    border-color: rgba(96, 165, 250, 0.42);
    background: rgba(37, 99, 235, 0.1);
    color: var(--text-primary, #fff);
}

.pp-series-compact span {
    display: inline-grid;
    place-items: center;
    min-width: 38px;
    height: 24px;
    border: 1px solid rgba(96, 165, 250, 0.28);
    color: var(--accent-light, #60a5fa);
    font-family: monospace;
    font-size: 0.72rem;

/* ═══ ENHANCED PRODUCT HERO ═══ */
.pf-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 0;
    max-width: 1240px;
    margin: 0 auto 36px;
    border: 1px solid var(--pf-line);
    background: #fff;
}

.pf-hero-img {
    background: linear-gradient(#fff, var(--pf-sheet));
    display: grid;
    place-items: center;
    padding: 32px;
    min-height: 400px;
}

.pf-hero-img img {
    max-width: 100%;
    max-height: 380px;
    object-fit: contain;
}

.pf-hero-info {
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid var(--pf-line);
}

.pf-hero-sku {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 28px;
    padding: 0 10px;
    border: 1px solid var(--pf-line);
    background: var(--pf-sheet);
    color: var(--pf-cobalt);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.78rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.pf-hero-partno {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 28px;
    padding: 0 10px;
    margin-bottom: 12px;
    border: 1px solid var(--pf-line);
    color: var(--pf-muted);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.75rem;
    font-weight: 600;
}

.pf-hero-title {
    margin: 0 0 12px;
    color: var(--pf-ink);
    font-size: clamp(1.6rem, 2.5vw, 2.2rem);
    line-height: 1.15;
}

.pf-hero-desc {
    margin: 0 0 22px;
    color: var(--pf-muted);
    line-height: 1.6;
}

.pf-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* ═══ ENGINEERING SPECS BAR ═══ */
.pf-specs-bar {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0;
    max-width: 1240px;
    margin: 0 auto 24px;
    border: 1px solid var(--pf-line);
    background: #fff;
}

.pf-spec-item {
    padding: 16px 14px;
    text-align: center;
    border-right: 1px solid var(--pf-line);
}

.pf-spec-item:last-child {
    border-right: 0;
}

.pf-spec-val {
    color: var(--pf-ink);
    font-weight: 800;
    font-size: 0.82rem;
    line-height: 1.3;
    margin-bottom: 4px;
}

.pf-spec-label {
    color: var(--pf-muted);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ═══ MEDIA WRAP ═══ */
.pf-media-wrap {
    max-width: 1240px;
    margin: 0 auto 48px;
    border: 1px solid var(--pf-line);
    background: #fff;
}

.pf-media-panels {
    position: relative;
}

/* ═══ FAQ SECTION ═══ */
.pf-faq {
    max-width: 920px;
    margin: 0 auto 44px;
    padding: 28px 28px 30px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(6px);
}

.pf-faq h2 {
    position: relative;
    margin: 0 0 22px;
    padding-left: 28px;
    color: #f1f5f9;
    font-size: 1.22rem;
    font-weight: 800;
    line-height: 1.2;
}

.pf-faq h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    width: 4px;
    height: calc(100% - 4px);
    border-radius: 2px;
    background: linear-gradient(180deg, #2563eb, #60a5fa);
}

.pf-sec-num {
    display: inline-block;
    margin-right: 8px;
    padding: 2px 7px;
    border: 1px solid rgba(96, 165, 250, 0.35);
    border-radius: 4px;
    color: #60a5fa;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    vertical-align: middle;
}

.pf-faq-item {
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-left: 3px solid transparent;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 5px;
    overflow: hidden;
    transition: border-color 0.2s ease, border-left-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.pf-faq-item:hover {
    border-color: rgba(96, 165, 250, 0.2);
    border-left-color: rgba(96, 165, 250, 0.3);
    background: rgba(96, 165, 250, 0.04);
    transform: translateX(2px);
}

.pf-faq-item[open] {
    border-left-color: #2563eb;
    border-color: rgba(96, 165, 250, 0.25);
    background: rgba(37, 99, 235, 0.06);
}

.pf-faq-item summary {
    display: flex;
    align-items: center;
    padding: 14px 16px 14px 14px;
    color: #e2e8f0;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    line-height: 1.4;
    list-style: none;
    user-select: none;
}

.pf-faq-item summary::marker { display: none; }
.pf-faq-item summary::-webkit-details-marker { display: none; }

.pf-faq-item summary::after {
    content: "\203A";
    display: inline-block;
    margin-left: auto;
    color: #64748b;
    font-size: 1.2rem;
    font-weight: 700;
    transition: transform 0.25s ease, color 0.2s ease;
}

.pf-faq-item[open] summary::after {
    transform: rotate(90deg);
    color: #60a5fa;
}

.pf-faq-item[open] summary {
    border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    color: #f1f5f9;
}

.pf-faq-item p {
    margin: 0;
    padding: 14px 16px 16px 18px;
    color: #94a3b8;
    font-size: 0.85rem;
    line-height: 1.68;
}

/* ═══ RELATED PRODUCTS ═══ */
.pf-related {
    max-width: 920px;
    margin: 0 auto 48px;
    padding: 0 24px;
}

.pf-related h2 {
    margin: 0 0 20px;
    color: #fff;
    font-size: clamp(1.4rem, 2vw, 1.8rem);
}

.pf-related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 12px;
}

.pf-related-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px;
    border: 1px solid rgba(217, 221, 227, 0.15);
    background: rgba(255, 255, 255, 0.025);
    text-decoration: none;
    transition: border-color 0.16s ease, transform 0.16s ease;
}

.pf-related-card:hover {
    border-color: rgba(96, 165, 250, 0.35);
    transform: translateY(-1px);
}

.pf-related-sku {
    color: #60a5fa;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.75rem;
    font-weight: 800;
}

.pf-related-card strong {
    color: #e8edf6;
    font-size: 0.92rem;
    line-height: 1.3;
}

.pf-related-card em {
    color: #8b94a3;
    font-size: 0.8rem;
    font-style: normal;
    line-height: 1.45;
}

/* ═══ HOW TO ORDER ═══ */
.pf-order {
    max-width: 920px;
    margin: 0 auto 40px;
    padding: 28px 28px 30px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 10px;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(6px);
}

.pf-order h2 {
    position: relative;
    margin: 0 0 14px;
    padding-left: 28px;
    color: #f1f5f9;
    font-size: 1.22rem;
    font-weight: 800;
}

.pf-order h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2px;
    width: 4px;
    height: calc(100% - 4px);
    border-radius: 2px;
    background: linear-gradient(180deg, #2563eb, #60a5fa);
}

.pf-order-intro {
    margin: 0 0 18px;
    color: #94a3b8;
    font-size: 0.84rem;
    line-height: 1.62;
}

.pf-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid rgba(148, 163, 184, 0.14);
    border-radius: 8px;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.3);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}

.pf-table th {
    padding: 13px 18px;
    background: rgba(37, 99, 235, 0.12);
    color: #93c5fd;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    text-align: left;
    border-bottom: 1px solid rgba(148, 163, 184, 0.14);
    white-space: nowrap;
    width: 160px;
}

.pf-table td {
    padding: 13px 18px;
    color: #cbd5e1;
    font-size: 0.83rem;
    line-height: 1.55;
    border-bottom: 1px solid rgba(148, 163, 184, 0.07);
    transition: background 0.18s ease;
}

.pf-table tr:hover td {
    background: rgba(37, 99, 235, 0.06);
}

.pf-table tr:hover th {
    background: rgba(37, 99, 235, 0.18);
}

.pf-table tr:last-child td,
.pf-table tr:last-child th {
    border-bottom: none;
}

/* ═══ CTA GRID ═══ */
.pf-cta {
    max-width: 920px;
    margin: 0 auto 60px;
    padding: 0 24px;
    text-align: center;
}

.pf-cta h2 {
    margin: 0 0 8px;
    color: #f1f5f9;
    font-size: 1.45rem;
    font-weight: 800;
}

.pf-cta > p {
    margin: 0 auto 28px;
    max-width: 520px;
    color: #94a3b8;
    font-size: 0.85rem;
    line-height: 1.6;
}

.pf-cta-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    text-align: left;
}

.pf-cta-card {
    position: relative;
    padding: 28px 24px 24px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    border-radius: 10px;
    border-top: 3px solid rgba(148, 163, 184, 0.12);
    background: rgba(15, 23, 42, 0.4);
    transition: border-color 0.2s ease, border-top-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.pf-cta-card:nth-child(1) { border-top-color: #2563eb; }
.pf-cta-card:nth-child(2) { border-top-color: #f59e0b; }
.pf-cta-card:nth-child(3) { border-top-color: #10b981; }

.pf-cta-card:hover {
    border-color: rgba(96, 165, 250, 0.25);
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.pf-cta-card:nth-child(1):hover { border-top-color: #3b82f6; }
.pf-cta-card:nth-child(2):hover { border-top-color: #fbbf24; }
.pf-cta-card:nth-child(3):hover { border-top-color: #34d399; }

.pf-cta-card-label {
    display: inline-block;
    margin-bottom: 14px;
    padding: 2px 9px;
    border-radius: 4px;
    color: #e2e8f0;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.6rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.pf-cta-card:nth-child(1) .pf-cta-card-label { background: rgba(37, 99, 235, 0.2); color: #93c5fd; }
.pf-cta-card:nth-child(2) .pf-cta-card-label { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }
.pf-cta-card:nth-child(3) .pf-cta-card-label { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; }

.pf-cta-card h4 {
    margin: 0 0 6px;
    color: #f1f5f9;
    font-size: 1.04rem;
    font-weight: 700;
}

.pf-cta-card p {
    margin: 0 0 18px;
    color: #94a3b8;
    font-size: 0.8rem;
    line-height: 1.5;
}

/* CTA card buttons */
.pf-cta-card .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    padding: 0 18px;
    border-radius: 6px;
    font-size: 0.76rem;
    font-weight: 800;
    text-decoration: none;
    transition: all 0.18s ease;
}

.pf-cta-card:nth-child(1) .btn-outline {
    border: 1px solid rgba(37, 99, 235, 0.4);
    color: #93c5fd;
    background: transparent;
}
.pf-cta-card:nth-child(1) .btn-outline:hover { background: rgba(37, 99, 235, 0.15); border-color: #3b82f6; }

.pf-cta-card:nth-child(2) .btn-accent {
    border: 1px solid transparent;
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
}
.pf-cta-card:nth-child(2) .btn-accent:hover { background: linear-gradient(135deg, #1d4ed8, #1e40af); }

.pf-cta-card:nth-child(3) .btn-outline {
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #6ee7b7;
    background: transparent;
}
.pf-cta-card:nth-child(3) .btn-outline:hover { background: rgba(16, 185, 129, 0.12); border-color: #34d399; }

.pd-note {
    margin: 18px 0;
    padding: 12px 16px;
    border-left: 3px solid #60a5fa;
    background: rgba(96, 165, 250, 0.06);
    color: #b8c8e0;
    font-size: 0.84rem;
    line-height: 1.55;
}

.pd-note strong {
    color: #e8edf6;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 820px) {
    .pf-hero { grid-template-columns: 1fr; }
    .pf-hero-info { border-left: 0; border-top: 1px solid var(--pf-line); }
    .pf-hero-img { min-height: 280px; padding: 20px; }
    .pf-hero-img img { max-height: 260px; }
    .pf-specs-bar { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .pf-spec-item:nth-child(3) { border-right: 0; }
    .pf-cta-grid { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
    .pf-specs-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .pf-spec-item:nth-child(2n) { border-right: 0; }
    .pf-related-grid { grid-template-columns: 1fr; }
}
    font-weight: 800;
}

@media (max-width: 900px) {
    .pp-asset-expansion {
        grid-template-columns: 1fr;
    }

    .pp-asset-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .pp-asset-expansion {
        padding: 0 16px;
        margin-top: 22px;
    }

    .pp-series-links {
        grid-template-columns: 1fr;
    }

    .pp-series-compact a {
        width: 100%;
        box-sizing: border-box;
    }
}

/* Product center: redesigned expanded technical series module */
.pp-asset-redesign {
    grid-template-columns: minmax(280px, 0.8fr) minmax(420px, 1.2fr) minmax(220px, 0.55fr);
    gap: 14px;
    margin-top: 32px;
    margin-bottom: 22px;
}

.pp-asset-redesign .pp-asset-head {
    min-height: 100%;
    padding: 24px;
    background:
        linear-gradient(145deg, rgba(37, 99, 235, 0.1), rgba(255, 255, 255, 0.02)),
        var(--card-bg, #181818);
}

.pp-asset-redesign .pp-asset-kicker {
    border-color: rgba(96, 165, 250, 0.45);
    background: rgba(37, 99, 235, 0.14);
}

.pp-asset-redesign h2 {
    max-width: 560px;
    margin-top: 16px;
    font-size: clamp(1.35rem, 2.1vw, 2rem);
}

.pp-asset-redesign p {
    max-width: 620px;
    font-size: 0.88rem;
}

.pp-asset-redesign .pp-asset-metrics {
    grid-column: 3;
    grid-row: 1 / span 2;
    grid-template-columns: 1fr;
    gap: 10px;
    align-self: stretch;
}

.pp-asset-redesign .pp-asset-metrics div {
    min-height: 72px;
    background: rgba(255, 255, 255, 0.035);
}

.pp-asset-redesign .pp-series-primary {
    grid-column: 2;
    grid-row: 1;
    grid-template-columns: 1fr;
    gap: 10px;
}

.pp-asset-redesign .pp-series-link {
    min-height: 82px;
    background: rgba(255, 255, 255, 0.035);
}

.pp-asset-redesign .pp-series-link:first-child,
.pp-asset-redesign .pp-series-link:nth-child(2),
.pp-asset-redesign .pp-series-link:nth-child(3) {
    border-color: rgba(96, 165, 250, 0.18);
}

.pp-asset-redesign .pp-series-compact {
    grid-column: 1 / span 2;
    grid-row: 2;
    align-content: start;
    padding: 0;
}

.pp-asset-redesign .pp-series-compact a {
    min-height: 36px;
}

@media (max-width: 980px) {
    .pp-asset-redesign {
        grid-template-columns: 1fr;
    }

    .pp-asset-redesign .pp-asset-head,
    .pp-asset-redesign .pp-series-primary,
    .pp-asset-redesign .pp-series-compact,
    .pp-asset-redesign .pp-asset-metrics {
        grid-column: auto;
        grid-row: auto;
    }

    .pp-asset-redesign .pp-asset-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .pp-asset-redesign .pp-asset-head {
        padding: 18px;
    }

    .pp-asset-redesign .pp-asset-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/*  DUAL-TRACK PRODUCT CENTER  */
.pp-dual-track {
    max-width: 1240px;
    margin: 0 auto 64px;
    padding: 0 24px;
}

.pp-track-intro {
    text-align: center;
    margin-bottom: 40px;
}

.pp-track-intro h2 {
    margin: 0 0 10px;
    color: #fff;
    font-size: clamp(1.6rem, 2.5vw, 2.2rem);
}

.pp-track-intro p {
    max-width: 620px;
    margin: 0 auto;
    color: #b8c0cc;
    line-height: 1.6;
}

.pp-two-tracks {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 18px;
    margin-bottom: 32px;
}

.pp-track {
    border: 1px solid rgba(217, 221, 227, 0.12);
    background: rgba(255, 255, 255, 0.02);
}

.pp-track-header {
    padding: 24px 24px 0;
}

.pp-track-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 0 8px;
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}

.pp-track-kicker-catalog {
    border: 1px solid rgba(96, 165, 250, 0.35);
    color: #60a5fa;
}

.pp-track-kicker-eng {
    border: 1px solid rgba(180, 140, 60, 0.35);
    color: #d4a843;
}

.pp-track-header h3 {
    margin: 0 0 8px;
    color: #fff;
    font-size: 1.25rem;
}

.pp-track-header > p {
    margin: 0 0 16px;
    color: #8b94a3;
    font-size: 0.85rem;
    line-height: 1.55;
}

.pp-track-metrics {
    display: flex;
    gap: 16px;
    padding: 14px 0;
    border-top: 1px solid rgba(217, 221, 227, 0.08);
    border-bottom: 1px solid rgba(217, 221, 227, 0.08);
}

.pp-track-metrics div {
    text-align: center;
}

.pp-track-metrics strong {
    display: block;
    color: #e8edf6;
    font-size: 1.2rem;
    line-height: 1.2;
}

.pp-track-catalog .pp-track-metrics strong { color: #60a5fa; }
.pp-track-engineering .pp-track-metrics strong { color: #d4a843; }

.pp-track-metrics span {
    color: #6b7280;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pp-track-bar {
    padding: 18px 24px 24px;
}

.pp-track-bar > span {
    display: inline-block;
    margin-bottom: 8px;
    color: #6b7280;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pp-track-series {
    padding: 18px 24px 24px;
}

.pp-track-series .pp-series-primary {
    margin-bottom: 16px;
}

.pp-track-series .pp-series-link {
    margin-bottom: 8px;
}

.dd-track-compact {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
}

.dd-track-compact a {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 36px;
    padding: 0 12px;
    border: 1px solid rgba(217, 221, 227, 0.1);
    background: rgba(255, 255, 255, 0.025);
    color: #b8c0cc;
    font-size: 0.78rem;
    text-decoration: none;
    transition: border-color 0.16s ease, color 0.16s ease;
}

.dd-track-compact a:hover {
    border-color: rgba(212, 168, 67, 0.35);
    color: #d4a843;
}

.dd-track-compact span {
    color: #d4a843;
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.72rem;
    font-weight: 800;
}

/*  TRANSITION ZONE  */
.pp-transition {
    margin-top: 8px;
    padding: 32px 28px;
    border: 1px solid rgba(217, 221, 227, 0.1);
    background: rgba(96, 165, 250, 0.04);
}

.pp-transition-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    gap: 24px;
    align-items: center;
}

.pp-transition-col h4 {
    margin: 0 0 12px;
    color: #e8edf6;
    font-size: 0.95rem;
}

.pp-transition-col ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.pp-transition-col li {
    position: relative;
    padding: 4px 0 4px 18px;
    color: #b8c0cc;
    font-size: 0.82rem;
    line-height: 1.55;
}

.pp-transition-col li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: #60a5fa;
    font-weight: 800;
}

.pp-transition-arrow {
    text-align: center;
    color: #6b7280;
}

.pp-arrow-icon {
    display: block;
    color: #60a5fa;
    font-size: 1.8rem;
    line-height: 1;
    margin-bottom: 6px;
}

.pp-transition-arrow em {
    display: block;
    font-style: normal;
    font-size: 0.78rem;
    color: #6b7280;
}

@media (max-width: 820px) {
    .pp-two-tracks {
        grid-template-columns: 1fr;
    }
    .pp-transition-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .pp-transition-arrow {
        padding: 12px 0;
        border-top: 1px solid rgba(217, 221, 227, 0.1);
        border-bottom: 1px solid rgba(217, 221, 227, 0.1);
    }
}

@media (max-width: 540px) {
    .dd-track-compact {
        grid-template-columns: 1fr;
    }
    .pp-track-metrics {
        gap: 12px;
    }
    .pp-dual-track {
        padding: 0 16px;
    }
}

/*  DUAL-TRACK PRODUCT COMMAND CENTER  */
/* ── Product Path Stack (Top-Bottom ──────── */
.pp-product-path-stack {
    max-width: 1440px;
    margin: 40px auto 0;
    padding: 0 24px;
}

.pp-path-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    margin-top: 22px;
}

.pp-path-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    padding: 0 20px;
    border: 1px solid transparent;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(37, 99, 235, 0.04));
    color: #93c5fd;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}
.pp-path-nav-btn:hover {
    border-color: rgba(96, 165, 250, 0.35);
    background: rgba(37, 99, 235, 0.2);
    color: #bfdbfe;
}
.pp-path-nav-btn--engineering {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.04));
    color: #fcd34d;
}
.pp-path-nav-btn--engineering:hover {
    border-color: rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.2);
    color: #fde68a;
}

/* ── Path Track (shared) ── */
.pp-path-track {
    margin-top: 48px;
    padding: 44px 40px;
    border: 1px solid rgba(148, 163, 184, 0.12);
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.008)), #141414;
    position: relative;
    overflow: hidden;
}
.pp-path-track::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at top left, rgba(37,99,235,0.12), transparent 38%), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(180deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: auto, 44px 44px, 44px 44px;
    opacity: 0.4;
}
.pp-path-track--engineering::before {
    background: radial-gradient(circle at top right, rgba(245,158,11,0.1), transparent 38%), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(180deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: auto, 44px 44px, 44px 44px;
}
.pp-path-track > :not(script) { position: relative; z-index: 1; }

.pp-path-track-header {
    max-width: 820px;
    margin-bottom: 26px;
}

.pp-path-track-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 30px;
    padding: 0 11px;
    border: 1px solid rgba(96,165,250,0.35);
    background: rgba(37,99,235,0.08);
    color: #60a5fa;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.pp-path-track-kicker--gold {
    border-color: rgba(245, 158, 11, 0.4);
    background: rgba(245, 158, 11, 0.08);
    color: #fbbf24;
}

.pp-path-track-title {
    margin: 16px 0 10px;
    color: #f8fafc;
    font-size: 1.8rem;
    line-height: 1.12;
    letter-spacing: -0.02em;
}

.pp-path-track-lead {
    max-width: 700px;
    color: #94a3b8;
    font-size: 0.96rem;
    line-height: 1.7;
    margin: 0;
}
.pp-path-track-lead-cn {
    margin: 6px 0 0;
    color: #64748b;
    font-size: 0.85rem;
}

/* ── Path Track Stats ── */
.pp-path-track-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    max-width: 680px;
    margin-bottom: 28px;
}
.pp-path-track-stats--gold .pp-path-stat strong { color: #fbbf24; }

.pp-path-stat {
    border: 1px solid rgba(148, 163, 184, 0.14);
    background: rgba(255, 255, 255, 0.03);
    padding: 14px 12px;
    text-align: center;
    border-radius: 6px;
}
.pp-path-stat strong {
    display: block;
    color: #93c5fd;
    font-size: 1.2rem;
    font-weight: 800;
    line-height: 1.3;
}
.pp-path-stat span {
    display: block;
    margin-top: 4px;
    color: #94a3b8;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

/* ── Transition Strip ── */
.pp-transition-strip {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 32px 0 0;
    padding: 18px 0;
    text-align: center;
}
.pp-transition-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(148, 163, 184, 0.18), transparent);
}
.pp-transition-label {
    color: #64748b;
    font-size: 0.88rem;
    font-weight: 500;
    white-space: nowrap;
}
.pp-transition-arrow {
    color: #fbbf24;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

/* ── Engineering Bottom CTA ── */
.pp-engineering-bottom-cta {
    margin-top: 36px;
    padding: 36px 32px;
    border: 1px solid rgba(245, 158, 11, 0.18);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.06), rgba(245, 158, 11, 0.015));
    text-align: center;
    border-radius: 6px;
}
.pp-engineering-cta-tagline {
    margin: 0 0 18px;
    color: #f8fafc;
    font-size: 1.15rem;
    font-weight: 700;
}
.pp-engineering-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
}

/*  FILTER CONSOLE  */
.pp-filter-console {
    margin-top: 20px;
    padding: 22px;
    border: 1px solid rgba(148,163,184,0.14);
    background: rgba(5, 5, 5, 0.38);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.035);
}

.pp-filter-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 14px;
    align-items: start;
    margin-bottom: 14px;
}

.pp-filter-row:last-child { margin-bottom: 0; }

.pp-filter-label {
    padding-top: 9px;
    color: #64748b;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.pp-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pp-filter-chip {
    height: 38px;
    padding: 0 15px;
    border: 1px solid rgba(148,163,184,0.2);
    background: rgba(255,255,255,0.025);
    color: #cbd5e1;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 160ms ease;
}

.pp-filter-chip:hover {
    border-color: rgba(96,165,250,0.45);
    color: #f8fafc;
    background: rgba(37,99,235,0.1);
    transform: translateY(-1px);
}

.pp-filter-chip.is-active {
    border-color: #2563eb;
    background: linear-gradient(180deg, #2563eb, #1d4ed8);
    color: #fff;
}

.pp-filter-search {
    margin-top: 12px;
    position: relative;
}

.pp-filter-search::before {
    content: "\2315";
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-52%);
    color: #64748b;
    font-size: 1.2rem;
    z-index: 1;
    pointer-events: none;
}

.pp-filter-search input {
    width: 100%;
    height: 48px;
    padding: 0 16px 0 44px;
    border: 1px solid rgba(148,163,184,0.2);
    background: rgba(255,255,255,0.04);
    color: #f8fafc;
    font-size: 0.9rem;
    outline: none;
}

/*  FEATURED ENGINEERING CARDS  */
.pp-series-section-label {
    margin: 18px 0 10px;
    color: #94a3b8;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.pp-series-featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 8px;
}

.pp-series-card {
    display: grid;
    grid-template-columns: 76px 1fr;
    gap: 16px;
    align-items: center;
    min-height: 132px;
    padding: 18px;
    border: 1px solid rgba(148,163,184,0.16);
    background: rgba(255,255,255,0.025);
    color: inherit;
    text-decoration: none;
    transition: all 180ms ease;
}

.pp-series-card:hover {
    border-color: rgba(245,158,11,0.4);
    background: rgba(245,158,11,0.06);
    transform: translateY(-2px);
}

.pp-series-card-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    border: 1px solid rgba(96,165,250,0.35);
    background: rgba(37,99,235,0.1);
    color: #60a5fa;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-weight: 800;
}

.pp-series-card h3 {
    margin: 0 0 6px;
    color: #f8fafc;
    font-size: 1.02rem;
    line-height: 1.2;
}

.pp-series-card p {
    margin: 0;
    color: #94a3b8;
    font-size: 0.82rem;
    line-height: 1.45;
}

.pp-series-card-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.pp-series-card-meta span {
    padding: 3px 7px;
    border: 1px solid rgba(148,163,184,0.16);
    color: #64748b;
    font-size: 0.64rem;
    font-weight: 700;
    text-transform: uppercase;
}

/*  COMPACT SERIES GRID  */
.pp-series-compact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 16px;
}

.pp-series-compact-link {
    display: grid;
    grid-template-columns: 52px 1fr auto;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    padding: 0 12px;
    border: 1px solid rgba(148,163,184,0.14);
    background: rgba(255,255,255,0.018);
    color: #cbd5e1;
    text-decoration: none;
    transition: all 160ms ease;
}

.pp-series-compact-link:hover {
    border-color: rgba(96,165,250,0.35);
    background: rgba(37,99,235,0.075);
}

.pp-series-compact-link code {
    display: inline-grid;
    place-items: center;
    height: 26px;
    border: 1px solid rgba(96,165,250,0.22);
    color: #fbbf24;
    font-size: 0.68rem;
    background: rgba(0,0,0,0.22);
}

.pp-series-compact-link strong { font-size: 0.82rem; }

.pp-series-compact-link::after {
    content: "\2192";
    color: #64748b;
}

/*  RESPONSIVE  */
@media (max-width: 1100px) {
    .pp-path-track-stats { grid-template-columns: repeat(2, 1fr); }
    .pp-path-track { padding: 32px 24px; }
}

@media (max-width: 680px) {
    .pp-product-path-stack { padding: 0 16px; }
    .pp-path-track { padding: 24px 18px; }
    .pp-path-track-stats { grid-template-columns: repeat(2, 1fr); }
    .pp-path-nav-btn { width: 100%; text-align: center; justify-content: center; }
    .pp-transition-strip { flex-direction: column; gap: 10px; }
    .pp-filter-row { grid-template-columns: 1fr; gap: 8px; }
    .pp-series-featured-grid { grid-template-columns: 1fr; }
    .pp-series-compact-grid { grid-template-columns: 1fr; }
}

/* ==============================
   PremFixer Unified Engineering Product Hero
   Single-card layout: media + info in one shell
   ============================== */

/* Outer section — dark industrial bg */
.pfx-hero {
    background: linear-gradient(180deg, #0f172a 0%, #111111 36%, #111111 100%);
    padding: 56px 24px 48px;
}

/* Unified card shell — single card, internal divider */
.pfx-hero-shell {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(340px, 0.75fr);
    gap: 0;
    max-width: 1180px;
    margin: 0 auto;
    background: #ffffff;
    border: 1px solid rgba(148, 163, 184, 0.24);
    border-radius: 12px;
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
    overflow: hidden;
}

/* ═══ LEFT: Media Viewer ═══ */
.pfx-hero-media {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* Tabs bar */
.pfx-hero-tabs {
    display: flex;
    align-items: center;
    height: 44px;
    border-bottom: 1px solid #e5e7eb;
    background: #f8fafc;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.pfx-hero-tab {
    flex-shrink: 0;
    height: 44px;
    padding: 0 18px;
    border: 0;
    border-right: 1px solid #e5e7eb;
    background: transparent;
    color: #64748b;
    font-size: 0.76rem;
    font-weight: 800;
    cursor: pointer;
    transition: color 160ms ease;
}

.pfx-hero-tab:hover { color: #0f172a; }

.pfx-hero-tab.is-active {
    color: #0f172a;
    border-bottom: 2px solid #2563eb;
    margin-bottom: -1px;
}

.pfx-hero-tab:disabled {
    color: #cbd5e1;
    cursor: not-allowed;
}

/* Media stage */
.pfx-hero-stage {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 4 / 3;
    max-height: 520px;
    padding: 28px;
    background:
        radial-gradient(circle at 50% 42%, rgba(255,255,255,0.95), rgba(241,245,249,0.94) 48%, rgba(226,232,240,0.92) 100%),
        linear-gradient(135deg, #f8fafc, #e5e7eb);
    overflow: hidden;
}

.pfx-hero-stage::before {
    content: "";
    position: absolute;
    inset: 20px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    pointer-events: none;
}

.pfx-hero-stage::after {
    content: "PREMFIXER TECHNICAL RENDER";
    position: absolute;
    left: 28px;
    bottom: 20px;
    color: rgba(100, 116, 139, 0.38);
    font-size: 0.6rem;
    font-weight: 900;
    letter-spacing: 0.14em;
}

/* Media panels */
.pfx-hero-panel {
    display: none;
    width: 100%;
    height: 100%;
    place-items: center;
    position: relative;
    z-index: 1;
}

.pfx-hero-panel.is-active { display: grid; }

/* Finish panel image offset upward */
.pfx-hero-panel[data-pfx-panel="finish"] img {
    object-position: center 15%;
}

.pfx-hero-panel img {
    display: block;
    max-width: 74%;
    max-height: 74%;
    width: auto;
    height: auto;
    object-fit: contain;
}

/* Drawing link */
.pfx-hero-drawing-link {
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
    text-decoration: none;
    position: relative;
}

.pfx-hero-zoom-hint {
    position: absolute;
    bottom: 6px;
    right: 10px;
    color: #94a3b8;
    font-size: 0.66rem;
    font-weight: 700;
}

/* CAD placeholder */
.pfx-hero-cad-placeholder {
    max-width: 380px;
    padding: 24px;
    border: 1px dashed #cbd5e1;
    background: rgba(255, 255, 255, 0.7);
    text-align: center;
}

.pfx-hero-cad-placeholder strong {
    display: block;
    color: #0f172a;
    font-size: 0.96rem;
    margin-bottom: 6px;
}

.pfx-hero-cad-placeholder p {
    margin: 0;
    color: #64748b;
    font-size: 0.82rem;
    line-height: 1.5;
}

/* Media footer */
.pfx-hero-media-foot {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    border-top: 1px solid #e5e7eb;
    background: #f8fafc;
    font-size: 0.7rem;
    font-weight: 700;
}

.pfx-hero-media-foot span { color: #64748b; }

.pfx-hero-media-foot a {
    color: #2563eb;
    text-decoration: none;
}

.pfx-hero-media-foot a:hover { text-decoration: underline; }

/* ═══ RIGHT: Engineering Info Panel ═══ */
.pfx-hero-info {
    display: flex;
    flex-direction: column;
    padding: 28px 32px;
    border-left: 1px solid rgba(0, 0, 0, 0.08);
    background: #fbfcfd;
}

/* SKU badge */
.pfx-hero-sku {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    height: 24px;
    padding: 0 10px;
    border: 1px solid #bfdbfe;
    background: #eff6ff;
    color: #2563eb;
    font-size: 0.66rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.pfx-hero-info h1 {
    margin: 0 0 10px;
    color: #0f172a;
    font-size: 1.7rem;
    line-height: 1.12;
    letter-spacing: -0.04em;
}

.pfx-hero-desc {
    margin: 0 0 18px;
    color: #475569;
    font-size: 0.86rem;
    line-height: 1.6;
}

/* Six quick specs */
.pfx-hero-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 18px;
}

.pfx-hero-specs > div {
    padding: 12px 14px;
    border: 1px solid #e5e7eb;
    background: #f8fafc;
    border-radius: 6px;
}

.pfx-hero-specs span {
    display: block;
    margin-bottom: 6px;
    color: #64748b;
    font-size: 0.6rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.pfx-hero-specs strong {
    display: block;
    color: #0f172a;
    font-size: 0.8rem;
    line-height: 1.35;
}

/* Quote CTA */
.pfx-hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    margin-bottom: 16px;
    background: linear-gradient(180deg, #2563eb, #1d4ed8);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 900;
    text-decoration: none;
    border-radius: 6px;
    transition: background 180ms ease;
}

.pfx-hero-cta:hover {
    background: linear-gradient(180deg, #1d4ed8, #1e40af);
    color: #ffffff;
}

/* Bottom action links */
.pfx-hero-actions {
    display: grid;
    gap: 8px;
}

.pfx-hero-actions a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid #e5e7eb;
    color: #2563eb;
    font-size: 0.76rem;
    font-weight: 800;
    text-decoration: none;
    transition: color 160ms ease;
}

.pfx-hero-actions a:last-child { border-bottom: none; }

.pfx-hero-actions a::after {
    content: "\2192";
    color: #94a3b8;
    font-size: 0.82rem;
}

.pfx-hero-actions a:hover { color: #1d4ed8; }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1024px) {
    .pfx-hero-shell {
        grid-template-columns: 1fr;
    }
    .pfx-hero-info {
        border-left: none;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
    }
}

@media (max-width: 640px) {
    .pfx-hero {
        padding: 36px 16px 44px;
    }
    .pfx-hero-tabs {
        overflow-x: auto;
    }
    .pfx-hero-tab {
        white-space: nowrap;
    }
    .pfx-hero-stage {
        aspect-ratio: 1 / 1;
        padding: 20px;
    }
    .pfx-hero-panel img {
        max-width: 80%;
        max-height: 80%;
    }
    .pfx-hero-stage::before { inset: 14px; }
    .pfx-hero-stage::after { left: 20px; bottom: 14px; font-size: 0.54rem; }
    .pfx-hero-info {
        padding: 22px 20px;
    }
    .pfx-hero-info h1 {
        font-size: 1.38rem;
    }
    .pfx-hero-specs {
        grid-template-columns: 1fr;
    }
}

/* 
   Catalog Products Explorer  Left Track Optimization
   Search-first + Featured Families + CTA
    */

/* P0 product detail texture layer: dark RFQ panel and spec table */
.pf-product {
    --pf-ink: #f8fafc;
    --pf-muted: #9aa4b2;
    --pf-line: rgba(148, 163, 184, 0.18);
    --pf-sheet: #0f1724;
    --pf-cobalt: #2563eb;
}

.pfx-hero {
    background:
        radial-gradient(circle at 74% 18%, rgba(37, 99, 235, 0.18), transparent 34%),
        linear-gradient(180deg, #070b12 0%, #0b1018 52%, #111111 100%);
}

.pfx-hero-shell.pf-card--product-hero {
    border-color: rgba(127, 144, 166, 0.24);
    border-radius: 8px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.012)),
        #0c121c;
    box-shadow: 0 30px 92px rgba(0, 0, 0, 0.42);
}

.pfx-hero-tabs {
    border-bottom-color: rgba(127, 144, 166, 0.18);
    background: rgba(8, 13, 21, 0.96);
}

.pfx-hero-tab {
    border-right-color: rgba(127, 144, 166, 0.16);
    color: rgba(226, 232, 240, 0.62);
}

.pfx-hero-tab:hover,
.pfx-hero-tab:focus-visible {
    color: #ffffff;
}

.pfx-hero-tab:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.9);
    outline-offset: -2px;
}

.pfx-hero-tab.is-active {
    color: #ffffff;
    border-bottom-color: #2563eb;
    background: rgba(37, 99, 235, 0.12);
}

.pfx-hero-tab:disabled {
    color: rgba(148, 163, 184, 0.38);
}

.pfx-hero-stage {
    background:
        radial-gradient(circle at 50% 42%, rgba(255,255,255,0.95), rgba(241,245,249,0.94) 48%, rgba(226,232,240,0.92) 100%),
        linear-gradient(135deg, #f8fafc, #e5e7eb);
}

.pfx-hero-stage::before {
    border-color: rgba(148, 163, 184, 0.2);
}

.pfx-hero-stage::after {
    color: rgba(100, 116, 139, 0.38);
}

.pfx-hero-panel img {
    filter: drop-shadow(0 22px 42px rgba(0, 0, 0, 0.32));
}

.pfx-hero-panel[data-pfx-panel="render"] {
    isolation: isolate;
}

.pfx-hero-panel[data-pfx-panel="render"]::before {
    content: "";
    position: absolute;
    inset: -28px;
    background:
        radial-gradient(circle at 50% 34%, rgba(96, 165, 250, 0.18), transparent 50%),
        linear-gradient(180deg, #172233 0%, #0b1119 100%);
    z-index: 0;
}

.pfx-hero-panel[data-pfx-panel="render"]::after {
    content: "";
    position: absolute;
    inset: -28px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0)),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: auto, 72px 72px, 72px 72px;
    pointer-events: none;
    z-index: 0;
}

.pfx-hero-panel[data-pfx-panel="render"] > * {
    position: relative;
    z-index: 1;
}

.pfx-hero-zoom-hint {
    color: rgba(203, 213, 225, 0.62);
}

.pfx-hero-cad-placeholder {
    border-color: rgba(96, 165, 250, 0.34);
    background: rgba(6, 10, 16, 0.54);
}

.pfx-hero-cad-placeholder strong {
    color: #ffffff;
}

.pfx-hero-cad-placeholder p {
    color: rgba(226, 232, 240, 0.68);
}

.pfx-hero-media-foot {
    border-top-color: rgba(127, 144, 166, 0.16);
    background: rgba(8, 13, 21, 0.96);
}

.pfx-hero-media-foot span {
    color: rgba(226, 232, 240, 0.58);
}

.pfx-hero-media-foot a {
    color: #93c5fd;
}

.pfx-hero-info.pf-rfq-panel {
    position: relative;
    border-left-color: rgba(127, 144, 166, 0.2);
    background:
        linear-gradient(180deg, rgba(21, 29, 42, 0.98), rgba(10, 15, 24, 0.98)),
        #0c121c;
}

.pfx-hero-info.pf-rfq-panel::before {
    content: "";
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, rgba(37, 99, 235, 0));
    pointer-events: none;
}

.pfx-hero-sku {
    border-color: rgba(96, 165, 250, 0.46);
    background: rgba(37, 99, 235, 0.14);
    color: #bfdbfe;
    border-radius: 4px;
}

.pfx-hero-info h1 {
    color: #ffffff;
    letter-spacing: 0;
}

.pfx-hero-desc {
    color: rgba(226, 232, 240, 0.7);
}

.pfx-hero-specs > div {
    border-color: rgba(127, 144, 166, 0.2);
    border-radius: 4px;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.08), transparent 58%),
        rgba(6, 10, 16, 0.36);
}

.pfx-hero-specs span {
    color: rgba(148, 163, 184, 0.82);
}

.pfx-hero-specs strong {
    color: #f8fafc;
}

.pfx-hero-cta.pf-button {
    height: 50px;
    border: 1px solid #2563eb;
    background: linear-gradient(180deg, #2563eb 0%, #1d4ed8 100%);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16), 0 14px 28px rgba(37, 99, 235, 0.22);
    transition: transform 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.pfx-hero-cta.pf-button:hover,
.pfx-hero-cta.pf-button:focus-visible {
    transform: translateY(-1px);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 18px 34px rgba(37, 99, 235, 0.3);
}

.pfx-hero-cta.pf-button:focus-visible {
    outline: 2px solid rgba(96, 165, 250, 0.95);
    outline-offset: 3px;
}

.pfx-hero-actions a {
    border-bottom-color: rgba(127, 144, 166, 0.16);
    color: #93c5fd;
}

.pfx-hero-actions a::after {
    color: rgba(226, 232, 240, 0.48);
    transition: transform 160ms ease, color 160ms ease;
}

.pfx-hero-actions a:hover,
.pfx-hero-actions a:focus-visible {
    color: #ffffff;
}

.pfx-hero-actions a:hover::after,
.pfx-hero-actions a:focus-visible::after {
    color: #93c5fd;
    transform: translateX(3px);
}

.pf-engineering .pd-table {
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.16);
    border-radius: 8px;
    background: rgba(7, 11, 18, 0.46);
}

.pf-engineering .pd-table th {
    background: rgba(15, 23, 42, 0.9);
    color: rgba(226, 232, 240, 0.78);
    font-size: 0.72rem;
    letter-spacing: 0.04em;
}

.pf-engineering .pd-table td {
    color: #edf3ff;
}

.pf-engineering .pd-table tr,
.pf-engineering .pf-spec-table tr {
    transition: background-color 150ms ease;
}

.pf-engineering .pd-table tr:hover th,
.pf-engineering .pd-table tr:hover td,
.pf-engineering .pf-spec-table tr:hover th,
.pf-engineering .pf-spec-table tr:hover td {
    background: rgba(37, 99, 235, 0.1);
}

@media (max-width: 1024px) {
    .pfx-hero-info.pf-rfq-panel {
        border-top-color: rgba(127, 144, 166, 0.2);
    }
}

@media (prefers-reduced-motion: reduce) {
    .pfx-hero-cta.pf-button,
    .pfx-hero-actions a::after,
    .pf-engineering .pd-table tr {
        transition: none;
        transform: none;
    }
}

.pp-path-track--catalog {
    display: flex;
    flex-direction: column;
}

/* Catalog console (search above filters) */
.pp-catalog-console {
    margin-top: 22px;
    padding: 22px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background:
        linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01)),
        rgba(0,0,0,0.24);
}

.pp-catalog-search {
    position: relative;
    margin-bottom: 18px;
}

.pp-catalog-search::before {
    content: "\2315";
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-52%);
    color: #64748b;
    font-size: 1.15rem;
    z-index: 1;
    pointer-events: none;
}

.pp-catalog-search input {
    width: 100%;
    height: 46px;
    padding: 0 16px 0 42px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(255, 255, 255, 0.045);
    color: #f8fafc;
    font-size: 0.86rem;
    outline: none;
    transition: border-color 160ms ease, background 160ms ease;
}

.pp-catalog-search input:focus {
    border-color: rgba(96, 165, 250, 0.55);
    background: rgba(37, 99, 235, 0.08);
}

/* Filter rows (in catalog-console) */
.pp-catalog-console .pp-filter-row {
    display: grid;
    grid-template-columns: 135px minmax(0, 1fr);
    gap: 14px;
    align-items: start;
    margin-bottom: 14px;
}

.pp-catalog-console .pp-filter-row:last-child { margin-bottom: 0; }

.pp-catalog-console .pp-filter-label {
    padding-top: 9px;
    color: #8aa0bd;
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.pp-catalog-console .pp-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.pp-catalog-console .pp-filter-chip {
    height: 36px;
    padding: 0 14px;
    border: 1px solid rgba(148, 163, 184, 0.22);
    background: rgba(255, 255, 255, 0.025);
    color: #cbd5e1;
    font-size: 0.75rem;
    font-weight: 800;
    cursor: pointer;
    transition: border-color 160ms ease, background 160ms ease, transform 160ms ease, color 160ms ease;
}

.pp-catalog-console .pp-filter-chip:hover {
    border-color: rgba(96, 165, 250, 0.48);
    color: #f8fafc;
    background: rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.pp-catalog-console .pp-filter-chip.is-active {
    border-color: #2563eb;
    background: linear-gradient(180deg, #2563eb, #1d4ed8);
    color: #ffffff;
}

/* Featured Catalog Families */
.pp-catalog-featured {
    margin-top: 22px;
}

.pp-section-label {
    margin-bottom: 12px;
    color: #8aa0bd;
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.pp-catalog-family-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.pp-catalog-family-card {
    position: relative;
    min-height: 126px;
    padding: 16px;
    border: 1px solid rgba(148, 163, 184, 0.16);
    background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.012));
    color: inherit;
    text-decoration: none;
    overflow: hidden;
    transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.pp-catalog-family-card::after {
    content: "\2192";
    position: absolute;
    right: 16px;
    top: 14px;
    color: #64748b;
    font-size: 0.9rem;
    transition: transform 180ms ease, color 180ms ease;
}

.pp-catalog-family-card:hover {
    border-color: rgba(96, 165, 250, 0.46);
    background: rgba(37, 99, 235, 0.08);
    transform: translateY(-2px);
}

.pp-catalog-family-card:hover::after {
    color: #60a5fa;
    transform: translateX(3px);
}

.pp-catalog-family-card span {
    display: inline-flex;
    margin-bottom: 12px;
    padding: 3px 7px;
    border: 1px solid rgba(96, 165, 250, 0.22);
    color: #60a5fa;
    background: rgba(37, 99, 235, 0.08);
    font-size: 0.62rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.pp-catalog-family-card strong {
    display: block;
    margin-bottom: 7px;
    color: #f8fafc;
    font-size: 0.92rem;
    line-height: 1.25;
}

.pp-catalog-family-card em {
    display: block;
    max-width: 92%;
    color: #94a3b8;
    font-size: 0.76rem;
    font-style: normal;
    line-height: 1.45;
}

/* Bottom CTA */
.pp-catalog-bottom-cta {
    display: grid;
    grid-template-columns: 1fr;
    gap: 9px;
    margin-top: auto;
    padding-top: 22px;
}

.pp-catalog-primary-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 1px solid rgba(96, 165, 250, 0.45);
    background: rgba(37, 99, 235, 0.12);
    color: #bfdbfe;
    font-size: 0.78rem;
    font-weight: 900;
    text-decoration: none;
    transition: background 160ms ease, color 160ms ease;
}

.pp-catalog-primary-link:hover {
    background: rgba(37, 99, 235, 0.22);
    color: #ffffff;
}

.pp-catalog-secondary-link {
    display: flex;
    justify-content: center;
    color: #8aa0bd;
    font-size: 0.73rem;
    font-weight: 800;
    text-decoration: none;
    transition: color 160ms ease;
}

.pp-catalog-secondary-link:hover { color: #60a5fa; }

/* Responsive */
@media (max-width: 1180px) {
    .pp-catalog-console .pp-filter-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .pp-catalog-console .pp-filter-label { padding-top: 0; }
}

@media (max-width: 760px) {
    .pp-catalog-family-grid { grid-template-columns: 1fr; }
    .pp-catalog-console { padding: 18px; }
    .pp-catalog-console .pp-filter-chip {
        height: 34px;
        padding: 0 12px;
    }
}
