/* Product detail, specification and related-card components. Shared controls live in controls.css/buttons.css. */

/* Exact-SKU composition. These are the current rules, not a second theme layered over an old layout. */
.product-detail {
  --product-panel-line: #30444f;
  --product-panel-surface: #10212b;
  --product-panel-muted: #adc1cc;
  --product-technical-accent: #e9a274;
}
.product-intro { padding: 26px 0 0; }
.product-navigation { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; margin-bottom: 24px; }
.product-navigation .breadcrumb { margin: 0; line-height: 1.8; }
.product-navigation .catalog-return { flex-shrink: 0; }
.product-layout { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(0,1fr); align-items: center; gap: 7%; padding: 18px 0 52px; }
.product-photo { position: relative; display: grid; place-items: center; grid-column: 1; grid-row: 1; min-height: 580px; isolation: isolate; background: radial-gradient(ellipse at 50% 44%,#393d3080,transparent 70%); }
.product-photo::before { content: attr(data-series-mark); position: absolute; inset: 25px 0 auto; color: #eeede709; font: 400 clamp(150px,24vw,390px)/1 var(--font-display); letter-spacing: -.09em; z-index: -1; text-align: center; }
.product-photo>img { width: 105%; max-width: 105%; max-height: 460px; height: auto; object-fit: contain; filter: drop-shadow(0 32px 22px #0006); }
.product-photo>small { position: absolute; top: 0; left: 0; right: 0; font: 10px var(--font-mono); color: var(--muted); letter-spacing: .05em; }
.product-photo .zoom-button { position: absolute; right: 22px; bottom: 18px; z-index: 2; }
.product-copy { grid-column: 2; grid-row: 1; }
.product-copy h1 { font-size: clamp(42px,4.4vw,74px); line-height: 1.02; }
.product-copy h1>span { display: block; color: #b9bfb0; }
.product-copy .product-heading-meta { display: block; font: 12px/1.6 var(--font-mono); letter-spacing: .02em; color: var(--accent); margin-top: 20px; }
/* Extra component scope keeps the local label distinct from the site's global eyebrow. */
.product-detail .product-copy .eyebrow { font-size: 10px; color: #aeb5a7; margin: 0 0 22px; }
.product-summary { max-width: 440px; font-size: var(--text-small); color: #b1b7ac; margin: 18px 0; }
.product-metrics { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid var(--line); padding: 18px 0; margin: 24px 0; }
.product-metrics strong { font-weight: 400; font-size: clamp(26px,2.6vw,39px); font-family: var(--font-display); letter-spacing: -.05em; }
.product-metrics small { display: block; color: var(--muted); margin-top: 5px; font-size: 10px; }
.product-actions { display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: stretch; }
.product-actions>.btn { flex: 1; }
.product-section-nav { display: flex; justify-content: space-between; gap: var(--space-6); flex-wrap: wrap; border-block: 1px solid var(--line); margin-bottom: 50px; padding-block: 13px; }
.product-section-nav a { padding: 12px 0; font-size: var(--text-label); color: #c3c7be; }
.product-variant { display: block; color: #8c9eb8; font-size: var(--text-caption); }
/* Field appearance belongs to controls.css; this component owns placement only. */
.product-variant select { margin: 8px 0 0; }
.product-detail[data-series="klio"] .product-photo { background: radial-gradient(ellipse at 50% 40%,#f0eee6,#d4d4c8); padding-inline: 24px; }
.product-detail[data-series="klio"] .product-photo::before { color: #2026210a; }
.product-detail[data-series="klio"] .product-photo>img { width: 92%; max-width: 92%; filter: drop-shadow(10px 22px 16px #29302230); }
.product-detail[data-series="klio"] .product-photo>small { top: 18px; left: 22px; right: 22px; color: #535d51; }
.product-detail[data-series="klio"] .signature-photo-note { left: 22px; color: #535d51; border-color: #29302230; }
.mobile-product-action { display: none; }
.not-found { padding: 100px 0; }
.not-found p { margin: 25px 0; }

@media (max-width:1100px) and (min-width:761px) {
  .product-layout { gap: 4%; }
  .product-photo { min-height: 500px; }
  .product-metrics strong { font-size: 28px; }
}
@media (max-width:1000px) {
  .product-actions { flex-direction: column; }
}
@media (max-width:760px) {
  html:has(.mobile-product-action:not([hidden])) { --focus-product-space:var(--product-action-height); }
  .product-intro { padding-top: 22px; }
  .product-layout { grid-template-columns: minmax(0,1fr); gap: var(--space-3); padding: 8px 0 26px; }
  .product-copy { display: contents; }
  .product-copy>.eyebrow { order: 0; }
  .product-detail .product-copy .eyebrow { margin: 0; font-size: 9px; }
  .product-copy>h1 { order: 1; }
  .product-copy h1 { font-size: 40px; line-height: 1.04; }
  .product-copy h1>span { display: inline; font-size: 25px; white-space: nowrap; }
  .product-copy .product-heading-meta { font-size: 11px; margin-top: 12px; }
  .product-photo { grid-column: auto; grid-row: auto; order: 2; min-height: 0; height: 240px; padding: 15px 0 22px; }
  .product-photo::before { inset: 0; font-size: 180px; }
  .product-photo>small { display: none; }
  .product-photo>img { width: 100%; max-width: 100%; max-height: 205px; }
  .product-photo .zoom-button { right: 12px; bottom: 12px; }
  .product-copy>.product-metrics { order: 3; }
  .product-metrics { margin: 0; padding: 15px 0; }
  .product-metrics strong { font-size: 28px; }
  .product-metrics small { line-height: 1.4; }
  .product-copy>.product-actions { order: 4; }
  .product-actions { flex-direction: row; gap: 10px; }
  .product-copy>.product-summary { order: 6; margin: 0; font-size: var(--text-label); }
  .product-section-nav { gap: 5px 20px; padding-block: 8px; margin-bottom: 30px; justify-content: flex-start; }
  .product-section-nav a { font-size: var(--text-caption); min-height: 44px; }
  .mobile-product-action { display: flex; flex-wrap: wrap; position: fixed; bottom: var(--quick-actions-height); left: 0; right: 0; z-index: 44; align-items: center; justify-content: space-between; gap: var(--space-3); padding: 12px 16px; border-top: 1px solid #ffffff25; background: #1a1d1cf5; box-shadow: 0 -8px 35px #0005; }
  .mobile-product-action div { min-width: 0; flex: 1 1 120px; }
  .mobile-product-action strong { display: block; font-size: var(--text-caption); font-weight: 500; line-height: 1.4; }
  .mobile-product-action small { display: block; font-size: 10px; color: #a5b5c8; margin-top: 4px; }
  .mobile-product-action .btn { flex-shrink: 0; }
}
@media (max-width:360px) {
  .product-copy h1 { font-size: 35px; }
  .product-actions { flex-direction: column; }
  .mobile-product-action { gap: var(--space-2); padding-inline: 12px; }
  .mobile-product-action strong { font-size: 11px; }
}

/* Contact and document actions share the global button styles. */
.product-support { margin-top: 18px; border-top: 1px solid #35454d; padding-top: 18px; }
.product-support-note { margin-bottom: 16px; padding-left: 14px; border-left: 2px solid #e99b6c; }
.product-support-note strong { display: block; color: #e2eaf0; font-size: var(--text-small); line-height: 1.5; font-weight: 500; }
.product-support-note p { color: #a7b8c1; font-size: var(--text-caption); line-height: 1.7; margin: 5px 0 0; }
.product-contact-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; align-items: stretch; }
.product-contact-actions>.btn:first-child { grid-column: 1 / -1; }
.product-contact-actions>.btn { width: 100%; }
.product-contact-actions .btn small { display: block; font-size: 11px; font-weight: 400; color: var(--product-panel-muted); margin-top: 5px; line-height: 1.4; overflow-wrap: anywhere; }
@media (min-width:1700px) {
  .product-contact-actions { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .product-contact-actions>.btn:first-child { grid-column: auto; }
}
@media (max-width:760px) {
  .product-support { order: 7; margin-top: 8px; padding-top: 16px; }
}
@media (max-width:380px) {
  .product-contact-actions { grid-template-columns: 1fr; }
}

/* Exact execution: readable data groups and one document action panel. */
.product-specifications { color: #e6eff3; padding-block: 12px 20px; }
.spec-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--space-5); margin-bottom: 28px; }
.spec-heading .eyebrow { margin-bottom: 14px; }
.spec-heading h2 { font-size: clamp(30px,3.2vw,48px); line-height: 1.1; }
.spec-heading>p { color: #a9bdc8; font-size: 15px; text-align: right; }
.spec-heading>p span { display: block; color: var(--product-technical-accent); margin-top: 6px; }
.spec-layout { display: grid; grid-template-columns: minmax(0,1.65fr) minmax(0,1fr); gap: var(--space-6); align-items: stretch; }
.spec-data { min-width: 0; background: #0c1921; border: 1px solid var(--product-panel-line); border-radius: var(--radius-panel); overflow: hidden; }
.spec-highlights { display: grid; grid-template-columns: 1fr 1fr; margin: 0; padding: 28px 32px; background: linear-gradient(110deg,#1b303c,#12232d); border-bottom: 1px solid var(--product-panel-line); gap: var(--space-6); }
.spec-highlights>div+div { border-left: 1px solid #3a515e; padding-left: 28px; }
.spec-highlights dt { font-size: var(--text-label); color: #aec2cd; margin-bottom: 14px; }
.spec-highlights dd { font: 400 clamp(32px,3.3vw,52px)/1.1 var(--font-display); letter-spacing: -.04em; margin: 0; white-space: nowrap; }
.spec-highlights dd small { font: 400 15px/1.4 var(--font-body); letter-spacing: 0; color: #aec2cd; }
.spec-groups { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); padding: 26px 32px; }
.spec-groups h3 { font-size: var(--text-lead); margin-bottom: 20px; }
.spec-facts { margin: 0; }
.spec-facts>div+div { margin-top: 20px; padding-top: 18px; border-top: 1px solid #253944; }
.spec-facts dt,.spec-identity dt { color: #a3b9c5; font-size: var(--text-caption); margin-bottom: 7px; }
.spec-facts dd { font-size: 17px; line-height: 1.5; margin: 0; }
.spec-facts dd small { display: block; color: #9bb2bf; font-size: 11px; margin-top: 4px; }
.spec-identity { display: grid; grid-template-columns: auto minmax(0,1fr); gap: var(--space-8); margin: 0 32px; padding-block: 20px; border-top: 1px solid var(--product-panel-line); }
.spec-identity dd { margin: 0; font: 12px/1.65 var(--font-mono); overflow-wrap: anywhere; }
.spec-project { min-width: 0; padding: 30px; border: 1px solid var(--product-panel-line); border-top: 2px solid #e99b70; border-radius: var(--radius-panel); background: var(--product-panel-surface); }
.spec-project .eyebrow { font-size: 10px; margin-bottom: 18px; }
.spec-project h3 { font-size: clamp(24px,2.1vw,32px); line-height: 1.16; margin-bottom: 14px; }
.spec-project p { color: var(--product-panel-muted); font-size: var(--text-label); line-height: 1.75; }
.spec-project-docs { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--product-panel-line); }
.spec-project h4 { font-size: var(--text-body); font-weight: 500; margin: 0 0 8px; }
.spec-actions { display: grid; gap: 10px; margin-top: 20px; }
.spec-actions>.btn { width: 100%; }
.spec-project .spec-footnote { font-size: 11px; margin-top: 20px; color: #91aab8; }
/* Custom Klio: three engineering priorities, one shared inquiry action. */
.spec-custom { position: relative; margin-top: 32px; padding: clamp(22px,3vw,44px); border: 1px solid var(--product-panel-line); border-radius: var(--radius-panel); background: radial-gradient(ellipse at 90% 0,#223b4760,transparent 55%),#0c1b24; scroll-margin-top: 100px; }
.spec-custom::before { content: ''; position: absolute; top: -1px; left: clamp(22px,3vw,44px); width: 80px; height: 2px; background: var(--product-technical-accent); }
.spec-custom-heading { display: grid; grid-template-columns: 1.3fr 1fr; align-items: end; gap: 30px; margin-bottom: 32px; }
.spec-custom-heading .eyebrow { margin-bottom: 20px; }
.spec-custom-heading h3 { font-size: clamp(32px,3.4vw,52px); line-height: 1.08; margin: 0; }
.spec-custom-heading h3>span { color: #b9d3df; }
.spec-custom-intro { max-width: 370px; justify-self: end; }
.spec-custom-label { display: block; color: var(--product-technical-accent); font: 10px/1.6 var(--font-mono); letter-spacing: .04em; margin-bottom: 12px; }
.spec-custom-intro p { font-size: 15px; line-height: 1.7; color: #bacbd4; }
.spec-custom-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: var(--space-4); }
.spec-custom-grid>section { min-width: 0; padding: clamp(20px,2vw,30px); border: 1px solid #354d5a; border-radius: var(--radius-control); background: linear-gradient(145deg,#1b303c,#11232e 65%); }
.spec-custom-card-top { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.spec-custom-card-top svg { width: 36px; height: 36px; flex-shrink: 0; fill: none; stroke: var(--product-technical-accent); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; }
.spec-custom-card-top span { color: #b0c3ce; font: 10px/1.6 var(--font-mono); letter-spacing: .04em; }
.spec-custom-grid h4 { font-size: clamp(25px,2.2vw,34px); font-weight: 500; letter-spacing: -.025em; line-height: 1.15; margin: 0 0 16px; }
.spec-custom-grid p { font-size: var(--text-label); line-height: 1.7; color: var(--product-panel-muted); min-height: 66px; }
.spec-custom-grid ul { list-style: none; padding: 20px 0 0; margin: 20px 0 0; border-top: 1px solid #354c59; }
.spec-custom-grid li { position: relative; padding-left: 18px; margin-top: 12px; font-size: var(--text-label); line-height: 1.6; color: #d9e5eb; }
.spec-custom-grid li:first-child { margin-top: 0; }
.spec-custom-grid li::before { content: ''; position: absolute; left: 1px; top: .55em; width: 5px; height: 5px; border-top: 1px solid var(--product-technical-accent); border-right: 1px solid var(--product-technical-accent); transform: rotate(45deg); }
.spec-custom-footer { display: grid; grid-template-columns: 1fr 1.7fr auto; align-items: center; gap: 28px; margin-top: 30px; padding-top: 26px; border-top: 1px solid var(--product-panel-line); }
.spec-custom-material { border-left: 2px solid var(--product-technical-accent); padding-left: 16px; }
.spec-custom-material>span { display: block; color: #91aab8; font: 10px/1.6 var(--font-mono); margin-bottom: 8px; }
.spec-custom-material strong { font-size: var(--text-body); line-height: 1.4; font-weight: 500; }
.spec-custom-next>strong { display: block; font-size: var(--text-body); line-height: 1.5; font-weight: 500; margin-bottom: 8px; }
.spec-custom-next p { font-size: var(--text-caption); line-height: 1.75; color: var(--product-panel-muted); }
.spec-custom-footer .btn { justify-self: end; }
@media (min-width:901px) and (max-width:1200px) {
  .spec-custom-footer { grid-template-columns: 1fr 1.7fr; }
  .spec-custom-footer .btn { grid-column: 2; justify-self: start; }
}
@media (max-width:900px) {
  .spec-custom-heading { grid-template-columns: 1fr; gap: var(--space-6); }
  .spec-custom-intro { max-width: none; justify-self: start; }
  .spec-custom-grid { grid-template-columns: 1fr; }
  .spec-custom-grid>section { display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; }
  .spec-custom-card-top,.spec-custom-grid h4,.spec-custom-grid p { grid-column: 1; }
  .spec-custom-grid p { min-height: 0; }
  .spec-custom-grid ul { grid-column: 2; grid-row: 1 / span 3; margin: 0; border-top: 0; border-left: 1px solid #354c59; padding: 0 0 0 22px; }
  .spec-custom-footer { grid-template-columns: 1fr 1.7fr; gap: var(--space-6); }
  .spec-custom-footer .btn { grid-column: 1 / -1; width: 100%; }
}
@media (max-width:1000px) {
  .spec-layout { grid-template-columns: 1fr; }
  .spec-project { display: grid; grid-template-columns: 1fr 1fr; column-gap: 30px; }
  .spec-project>.eyebrow,.spec-project>h3,.spec-project>p { grid-column: 1; }
  .spec-project-docs { grid-column: 2; grid-row: 1 / span 4; margin: 0; padding: 0 0 0 28px; border-top: 0; border-left: 1px solid var(--product-panel-line); }
}
@media (max-width:600px) {
  .spec-heading { align-items: start; margin-bottom: 20px; }
  .spec-heading>p { font-size: var(--text-caption); flex-shrink: 0; padding-top: 3px; }
  .spec-heading .eyebrow { font-size: 9px; max-width: 170px; line-height: 1.7; }
  .spec-heading h2 { font-size: 28px; }
  .spec-highlights { padding: 22px 18px; gap: var(--space-3); }
  .spec-highlights>div+div { padding-left: 12px; }
  .spec-highlights dd { font-size: clamp(28px,7.5vw,40px); }
  .spec-highlights dt { font-size: 11px; }
  .spec-highlights dd small { font-size: var(--text-caption); }
  .spec-groups { padding: 22px 18px; gap: 22px; grid-template-columns: 1fr; }
  .spec-groups>section+section { border-top: 1px solid var(--product-panel-line); padding-top: 22px; }
  .spec-groups h3 { margin-bottom: 16px; }
  .spec-facts>div { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: var(--space-3); }
  .spec-facts>div+div { margin-top: 14px; padding-top: 14px; }
  .spec-facts dd { font-size: var(--text-small); }
  .spec-identity { margin-inline: 18px; gap: 18px; }
  .spec-project { display: block; padding: 24px 20px; }
  .spec-project-docs { margin-top: 22px; padding: 22px 0 0; border-left: 0; border-top: 1px solid var(--product-panel-line); }
  .spec-custom { padding: 24px 18px; }
  .spec-custom-grid>section { display: block; padding: 22px 20px; }
  .spec-custom-card-top { margin-bottom: 20px; }
  .spec-custom-grid h4 { font-size: 28px; }
  .spec-custom-grid ul { margin-top: 20px; padding: 18px 0 0; border-left: 0; border-top: 1px solid #354c59; }
  .spec-custom-footer { grid-template-columns: 1fr; }
  .spec-custom-intro p { font-size: var(--text-small); }
}

/* Selected-power preview. */
.product-variant-choice { margin-bottom: 24px; }
#model-variant-preview { margin-top: 20px; }
.variant-preview { display: grid; grid-template-columns: minmax(230px,.75fr) minmax(0,1.6fr); border: 1px solid #354d5b; border-radius: var(--radius-panel); overflow: hidden; background: #122631; }
.variant-preview-photo { position: relative; display: grid; place-items: center; padding: 28px 24px 38px; min-height: 278px; background: radial-gradient(ellipse at center,#2c4654,#0c1b24 78%); }
.variant-preview-photo img { width: 100%; height: 220px; object-fit: contain; filter: drop-shadow(0 18px 16px #0006); }
.variant-preview-photo small { position: absolute; bottom: 14px; left: 12px; right: 12px; text-align: center; font-size: 10px; color: #93aeba; }
.variant-preview-copy { padding: 26px 30px; align-self: center; min-width: 0; }
.variant-preview-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px 16px; font: 10px/1.5 var(--font-mono); letter-spacing: .04em; color: #a5bdc9; margin-bottom: 14px; }
.variant-preview-meta>span:first-child { color: var(--accent); }
.variant-preview-copy h3 { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 6px 20px; font-size: clamp(26px,2.4vw,36px); line-height: 1.2; margin: 0; }
.variant-preview-copy h3>span { color: var(--accent); white-space: nowrap; }
.variant-preview-copy h3 small { font-size: var(--text-small); }
.variant-preview-facts { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin: 22px 0; padding-block: 18px; border-block: 1px solid #354d5b; }
.variant-preview-facts dt { color: #a5bdc9; font-size: 11px; line-height: 1.5; margin-bottom: 6px; }
.variant-preview-facts dd { margin: 0; font-size: clamp(19px,1.7vw,25px); line-height: 1.3; white-space: nowrap; }
.variant-preview-facts dd small { font-size: 11px; color: #a5bdc9; }
.variant-preview-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.variant-preview-footer>p { font-size: var(--text-label); line-height: 1.6; color: #d9e6ed; }
.variant-preview-footer>p small { display: block; font-size: 11px; color: #a5bdc9; }
@media (prefers-reduced-motion:no-preference) {
  .variant-preview { animation: variant-reveal .22s ease-out both; }
}
@keyframes variant-reveal { from { opacity: .4; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width:760px) {
  .variant-preview { grid-template-columns: minmax(0,1fr); }
  .variant-preview-photo { min-height: 0; padding: 20px 20px 34px; }
  .variant-preview-photo img { height: 180px; }
  .variant-preview-copy { padding: 20px; }
  .variant-preview-facts { grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--space-4); }
  .variant-preview-footer>.btn { width: 100%; }
}

/* Product resources and power disclosure. */
:where(#product-specs,#product-selection,#product-docs,#product-variants) { scroll-margin-top: 100px; }
.product-information { margin-block: 36px 0; padding-bottom: 48px; }
.product-information-heading { margin-bottom: 28px; }
.product-information-heading .eyebrow { margin-bottom: 14px; }
.product-information-heading h2 { font-size: clamp(28px,3vw,44px); line-height: 1.12; }
.product-resource-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--space-5); }
.product-resource { min-width: 0; display: flex; flex-direction: column; padding: clamp(22px,2.5vw,40px); border: 1px solid #314650; border-radius: var(--radius-panel); background: var(--product-panel-surface); }
.product-resource-kicker { color: var(--accent); font: 10px/1.6 var(--font-mono); letter-spacing: .1em; margin-bottom: 20px; }
.product-resource h3 { font-size: clamp(24px,2vw,32px); line-height: 1.15; }
.product-resource-intro { color: #aebfc9; font-size: var(--text-small); line-height: 1.7; margin: 14px 0 24px; max-width: 470px; }
.product-input-list { list-style: none; padding: 0; margin: 0 0 26px; }
.product-input-list li { display: flex; gap: var(--space-5); padding: 16px 0; border-top: 1px solid #314650; }
.product-input-list li>span { color: var(--accent); font: 11px/1.8 var(--font-mono); padding-top: 2px; }
.product-input-list strong { font-size: var(--text-body); font-weight: 600; }
.product-input-list p { color: #aebfc9; font-size: var(--text-label); line-height: 1.6; margin-top: 5px; }
.product-resource-action { margin-top: auto; }
.product-resource-action>.btn { width: 100%; }
.product-resource-action p,.product-resource-note { color: #aebfc9; font-size: var(--text-caption); line-height: 1.7; }
.product-resource-action p { margin-top: 16px; }
.product-document-options { display: grid; gap: 22px; }
.product-document-options>div { display: grid; grid-template-columns: 48px minmax(0,1fr); align-items: start; gap: 18px; padding-top: 22px; border-top: 1px solid #314650; }
.product-document-kind { display: grid; place-items: center; width: 48px; height: 58px; background: #243c49; border: 1px solid #45606e; border-radius: var(--radius-control); color: var(--accent); font: 11px var(--font-mono); }
.product-document-options h4 { font-size: var(--text-lead); font-weight: 500; line-height: 1.3; margin: 0; }
.product-document-options p { font-size: var(--text-label); line-height: 1.6; color: #aebfc9; margin: 8px 0 14px; }
.product-document-options .btn { width: 100%; }
.product-resource-note { margin-top: auto; padding-top: 22px; }
.product-variants { margin-top: 24px; border: 1px solid #bd805a; border-left: 4px solid var(--accent); border-radius: var(--radius-panel); background: #0d1b24; }
.product-variants>summary { display: grid; grid-template-columns: 100px minmax(0,1fr) 48px; gap: 28px; padding: 28px 32px; background: linear-gradient(110deg,#263e49,#162b36 65%,#293335); }
.product-variants>summary>span { color: #e1edf3; font-weight: 400; }
.product-variants>summary>.product-variants-count { display: grid; align-content: center; text-align: center; min-height: 100px; border-radius: var(--radius-control); background: var(--accent); color: #17262d; }
.product-variants-count b { font: 500 48px/1 var(--font-display); letter-spacing: -.04em; }
.product-variants>summary .product-variants-count small { color: #17262d; font-size: 11px; margin-top: 7px; }
.product-variants-kicker { display: block; color: var(--accent); font: 10px/1.5 var(--font-mono); letter-spacing: .1em; margin-bottom: 8px; }
.product-variants>summary strong { display: block; font-size: clamp(23px,2.2vw,34px); line-height: 1.15; font-weight: 600; }
.product-variants>summary small { display: block; color: #c2d4dd; margin-top: 10px; font-size: var(--text-label); line-height: 1.5; }
.product-variants>summary>svg { width: 48px; height: 48px; padding: 12px; border: 1px solid #bd805a; border-radius: 50%; background: #e9a27414; fill: none; stroke: var(--accent); stroke-width: 1.5; }
.product-variants[open]>summary>svg { transform: rotate(180deg); }
.product-variants>summary:hover { background: linear-gradient(110deg,#304c59,#1c3542 65%,#393b36); }
.product-variants>summary:hover>svg { background: var(--accent); stroke: #17262d; }
.product-variants-content { padding: 24px 28px; border-top: 1px solid #314650; }
.product-all-variants { border-bottom: 0; border-top: 1px solid #314650; }
.product-all-variants>summary { justify-content: flex-start; padding: 18px 0; font-size: var(--text-small); line-height: 1.6; color: #b9cbd5; }
.product-all-variants>summary::after { content: '+'; margin-left: auto; color: var(--accent); font-size: 22px; }
.product-all-variants[open]>summary::after { content: '−'; }
@media (max-width:760px) {
  .product-resource-grid { grid-template-columns: minmax(0,1fr); gap: var(--space-4); }
  .product-information { margin-top: 24px; padding-bottom: 32px; }
  .product-variants>summary { padding: 20px 16px; gap: 16px 12px; grid-template-columns: 64px minmax(0,1fr) 44px; align-items: center; }
  .product-variants>summary>.product-variants-count { min-height: 68px; grid-column: 1; grid-row: 1; }
  .product-variants-count b { font-size: 34px; }
  .product-variants>summary .product-variants-count small { font-size: 9px; margin-top: 4px; }
  .product-variants-heading { grid-column: 1 / -1; grid-row: 2; }
  .product-variants>summary>svg { width: 44px; height: 44px; padding: 10px; grid-column: 3; grid-row: 1; }
  .product-variants-kicker { font-size: 9px; }
  .product-variants>summary small { font-size: var(--text-caption); }
  .product-variants-content { padding: 18px; }
  .product-document-options>div { grid-template-columns: 36px minmax(0,1fr); gap: var(--space-3); }
  .product-document-kind { width: 36px; height: 46px; }
}
.product-variant-links { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,230px),1fr)); gap: var(--space-2); list-style: none; padding: 0; }
.product-variant-links a { display: block; padding: 12px 14px; border: 1px solid var(--line); font-size: var(--text-label); line-height: 1.6; }
.product-variant-links a:hover { border-color: var(--accent); }
.product-variant-links [aria-current=page] { color: var(--accent); }

/* Related models: one current card style and its responsive geometry. */
.model-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.model-card { position: relative; background: var(--surface); border: 1px solid var(--line); transition: border-color .25s; min-width: 0; display: flex; flex-direction: column; }
.model-card:hover { border-color: #e9926380; }
.model-card-main { display: block; padding: 25px 28px 20px; flex: 1; }
.model-card-top { display: flex; justify-content: space-between; align-items: center; font: 11px var(--font-mono); color: var(--muted); gap: var(--space-3); }
.model-card-top>span:first-child { color: #b8c7d9; }
.model-card-photo { height: 240px; display: grid; grid-template-rows:minmax(0,1fr); place-items: center; margin: 18px 0; overflow:clip; }
.model-card-photo img { width: 94%; height: 100%; object-fit: contain; filter: drop-shadow(10px 18px 15px #0007); transition: transform .5s; }
.model-card:hover .model-card-photo img { transform: scale(1.045) rotate(-2deg); }
.model-card h3 { font-size: 25px; line-height: 1.25; }
.model-card h3 .card-power { display: block; margin-top: 4px; color: var(--ink); }
.model-card-specs { display: flex; gap: 28px; margin-top: 22px; }
.model-card-specs b { font-size: 19px; font-weight: 400; color: #d6dfea; }
.model-card-specs small { display: block; color: var(--muted); margin-top: 3px; font-size: 11px; }
.model-card .card-optics { font: 13px var(--font-mono); color: var(--muted); margin-top: 12px; letter-spacing: .03em; }
.model-card-actions { padding: 0 24px 22px; display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.model-card-actions>.btn { flex: 1; }
.card-detail-link { display: block; margin-top: 18px; font-size: var(--text-caption); color: var(--accent); }
@media (min-width:1900px) {
  .model-card-photo { height: 300px; }
}
@media (max-width:1250px) {
  .model-card-main { padding: 22px; }
  .model-card-photo { height: 210px; }
}
@media (max-width:1000px) {
  .model-card-actions { padding-inline: 20px; }
}
@media (max-width:900px) {
  .model-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width:760px) {
  .model-card-main { padding: 20px; }
  .model-card-photo { height: 190px; margin: 12px 0; }
  .model-card h3 { font-size: 26px; }
  .model-card-specs { margin-top: 16px; }
  .model-card-specs b { font-size: 22px; }
  .model-card-actions { padding: 0 20px 20px; gap: var(--space-4); }
}
@media (max-width:600px) {
  .model-grid { grid-template-columns: 1fr; gap: var(--space-4); }
}