/* R56: tangible, static pigment-concrete surfaces and an editorial hierarchy.
   R55 navigation, icons, buttons and form behavior remain authoritative. */
html[data-theme=dark]{--texture:url('assets/design/concrete-dark-r56.webp');--surface-quiet:color-mix(in srgb,var(--deep-brown) 97%,var(--clay))}
html[data-theme=light]{--texture:url('assets/design/concrete-light-r56.webp');--surface-quiet:color-mix(in srgb,var(--sand) 97%,var(--clay))}
html[data-theme] body{background:var(--texture) center top/1800px 1200px no-repeat,var(--bg)}
html[data-theme] :is(.showcase,.brand-statement,.brand-gallery,.custom-workbench,.compare-section,.editorial-hero,.custom-note){background-image:linear-gradient(100deg,transparent 8%,color-mix(in srgb,var(--bg) 20%,transparent) 38%,color-mix(in srgb,var(--bg) 28%,transparent) 70%,transparent),var(--texture);background-size:100% 100%,cover;background-repeat:no-repeat;background-position:center}
html[data-theme] :is(.contact-arrival,.guide-opening,.contact-directory,.related-products){background-image:linear-gradient(90deg,color-mix(in srgb,var(--bg) 30%,transparent),color-mix(in srgb,var(--bg) 60%,transparent) 50%,transparent),var(--texture);background-size:100% 100%,cover;background-repeat:no-repeat}
html[data-theme] :is(.product-overview,.contact-form-layout,.guide-layout,.legal-page){background-image:linear-gradient(90deg,color-mix(in srgb,var(--bg) 60%,transparent),color-mix(in srgb,var(--bg) 82%,transparent) 25%,color-mix(in srgb,var(--bg) 82%,transparent) 78%,color-mix(in srgb,var(--bg) 60%,transparent)),var(--texture);background-size:100% 100%,cover;background-repeat:no-repeat}
html[data-theme] .story-bridge .bridge-copy{background:linear-gradient(115deg,transparent,color-mix(in srgb,var(--bg) 35%,transparent) 40%,color-mix(in srgb,var(--bg) 60%,transparent)),var(--texture) center/cover no-repeat,var(--bg)}
/* Quiet labels, robust Lora titles, and asymmetric space around existing copy. */
html[data-theme] main :is(h1,h2){text-wrap:balance;letter-spacing:-.035em;line-height:1.15}
html[data-theme] main .eyebrow{font:500 10px/1.6 Manrope,Arial,sans-serif;letter-spacing:.16em;margin-bottom:20px}
html[data-theme] .showcase{padding-block:clamp(42px,6vw,88px);border-block:1px solid var(--line)}
html[data-theme] .showcase-heading{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(220px,.6fr);align-items:end;gap:24px 7vw;margin-bottom:36px}
html[data-theme] .showcase-heading h2{font-size:clamp(32px,4.2vw,60px);max-width:720px;margin:0}
html[data-theme] .showcase-heading .collection-intro{font-size:14px;line-height:1.8;max-width:300px;margin:0 0 4px;justify-self:end;padding:16px 0 0;border-top:1px solid var(--line)}
html[data-theme] .showcase-heading .eyebrow{margin-bottom:20px}
html[data-theme] .showcase-cards{grid-auto-columns:calc((100% - 28px)/2.35);gap:28px;padding:4px 2px 22px}
html[data-theme] .collection-compare-card{padding:0;overflow:hidden;border-radius:6px}
html[data-theme] .showcase-cards .collection-compare-card{padding:0}
html[data-theme] .collection-compare-card .collection-compare-visual{margin:0 0 24px;border-radius:0;aspect-ratio:3/2}
html[data-theme] .showcase-cards .collection-compare-visual{aspect-ratio:16/10;margin-bottom:24px}
html[data-theme] .collection-compare-card>:not(.collection-compare-visual){margin-inline:24px}
html[data-theme] .collection-compare-card .collection-compare-number{font-size:10px;line-height:1.6;letter-spacing:.08em;margin-bottom:10px}
html[data-theme] .collection-compare-card strong{font-size:clamp(26px,2.5vw,36px);margin-bottom:8px}
html[data-theme] .collection-compare-card .card-description{font-size:13px;line-height:1.8;margin-top:8px;margin-bottom:24px}
html[data-theme] .collection-compare-card .collection-compare-action{padding-block:16px 20px;font-size:10px;letter-spacing:.1em}
html[data-theme] .collection-compare-card{transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease}
@media(hover:hover) and (prefers-reduced-motion:no-preference){html[data-theme] .collection-compare-card:hover{transform:translateY(-3px);box-shadow:0 12px 24px color-mix(in srgb,var(--deep-brown) 14%,transparent)}}
html[data-theme] .story-bridge .bridge-type{font-size:clamp(32px,4.3vw,62px);margin:0 0 24px;line-height:1.12}
html[data-theme] .story-bridge .bridge-description{font-size:15px;line-height:1.85;max-width:400px}
html[data-theme] .bridge-notes{margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
html[data-theme] .compare-section{padding-block:clamp(42px,6vw,80px)}
html[data-theme] .compare-heading{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:18px 30px;margin-bottom:30px}
html[data-theme] .compare-heading h2{font-size:clamp(32px,4.2vw,58px);margin:0}
html[data-theme] .compare-heading .scene-pills{margin:0;justify-content:flex-end}
html[data-theme] .compare-heading .scene-description{grid-column:1/-1;font-size:13px;max-width:540px;line-height:1.8;margin:0}
html[data-theme] .comparison{border-radius:4px;box-shadow:0 12px 32px color-mix(in srgb,var(--deep-brown) 10%,transparent)}
html[data-theme] :is(.home-seam,.home-interval){height:clamp(40px,5vw,72px);background:linear-gradient(180deg,color-mix(in srgb,var(--bg) 65%,transparent),color-mix(in srgb,var(--bg) 25%,transparent)),var(--texture) center/cover no-repeat,var(--bg)}
html[data-theme] :is(.home-seam,.home-interval)::before,html[data-theme] :is(.home-seam,.home-interval)::after{display:none}
html[data-theme] .brand-statement{padding-block:clamp(48px,7vw,100px);gap:36px}
html[data-theme] .brand-statement h2{font-size:clamp(30px,3.5vw,48px)}
html[data-theme] .brand-gallery{padding-block:24px 64px}
html[data-theme] .cta-section{padding-block:clamp(64px,8vw,110px);background:linear-gradient(90deg,color-mix(in srgb,var(--bg) 48%,transparent),color-mix(in srgb,var(--bg) 30%,transparent)),var(--texture) center/cover no-repeat,var(--bg);border-top:1px solid var(--line)}
html[data-theme] .cta-section h2{font-size:clamp(34px,4.7vw,64px);margin:0 auto 22px;max-width:900px}
html[data-theme] .cta-section>p:not(.eyebrow){margin:0 auto 28px;line-height:1.8}
/* One existing reveal observer; small composited movement, no animated textures. */
@media(prefers-reduced-motion:no-preference){html[data-theme] :is(.showcase-heading,.compare-heading,.bridge-copy).reveal{filter:none;transform:translateY(18px);transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.2,1)}html[data-theme] :is(.showcase-heading,.compare-heading,.bridge-copy).reveal.visible{opacity:1;transform:none}html[data-theme] :is(.showcase-heading,.compare-heading,.bridge-copy).visible>.collection-intro{animation:r56-copy .65s .1s both}@keyframes r56-copy{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}}
@media(max-width:900px){html[data-theme] .showcase-cards{grid-auto-columns:calc((100% - 20px)/1.6);gap:20px}html[data-theme] .showcase-heading{grid-template-columns:1fr;gap:18px}html[data-theme] .showcase-heading .collection-intro{max-width:500px;justify-self:start;padding:0;border:0}html[data-theme] .compare-heading{grid-template-columns:1fr}html[data-theme] .compare-heading .scene-pills{justify-content:flex-start}}
@media(max-width:720px){html[data-theme=dark]{--texture:url('assets/design/concrete-dark-mobile-r56.webp')}html[data-theme=light]{--texture:url('assets/design/concrete-light-mobile-r56.webp')}html[data-theme] body{background-size:900px 600px}html[data-theme] .showcase-cards{grid-auto-columns:91%;gap:16px}html[data-theme] .showcase-heading{margin-bottom:26px}html[data-theme] .showcase-heading h2,html[data-theme] .compare-heading h2,html[data-theme] .story-bridge .bridge-type{font-size:32px}html[data-theme] .collection-compare-card>:not(.collection-compare-visual){margin-inline:20px}html[data-theme] .collection-compare-card .collection-compare-visual{margin-bottom:20px}html[data-theme] .collection-compare-card strong{font-size:28px}html[data-theme] .story-bridge .bridge-copy{padding:36px 22px}html[data-theme] main .eyebrow{font-size:9px;margin-bottom:16px}html[data-theme] .scene-pills{flex-wrap:wrap}html[data-theme] .cta-section{padding-inline:22px}html[data-theme] .brand-gallery{padding-bottom:40px}}