/* Each chapter pins its own scene while its content scrolls through. */
.chapter-shell{position:relative;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto;min-height:110svh;isolation:isolate;background:#0A1E54;overflow:visible}
.chapter-backdrop{grid-column:1;grid-row:1;position:sticky;top:0;align-self:start;height:100svh;min-height:520px;overflow:hidden;pointer-events:none;z-index:-1}
.chapter-camera{position:absolute;inset:-3%;transform:scale(var(--chapter-zoom,1.03)) translateY(var(--chapter-drift,0px));will-change:transform}.chapter-camera>img,.chapter-camera>picture>img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.72}
.chapter-backdrop:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,#07173585,#07173540 50%,#07173580)}
.chapter-shell[data-background=product] .chapter-camera>img,
.chapter-shell[data-background=product] .chapter-camera>picture>img{filter:blur(7px);opacity:.65}
.chapter-content{grid-column:1;grid-row:1;align-self:center;z-index:1;position:relative;margin-block:90px!important;border-radius:var(--chapter-round,32px)!important;box-shadow:0 22px 65px #0003;min-width:0}
.chapter-content.section,.chapter-content.page-intro,.chapter-content.editorial,.chapter-content.product-detail{background:#faf6f3f5;color:#0A1E54;--ink:#0A1E54;--muted:#50596b;--surface:#fffdfa;--bg:#FAF6F3;--soft:#eee7e0;--glass:#fffdfae8;--line:#dcd3cb;--gold-ink:#80634e;--edge:#ffffffbc;--neo-light:#ffffffbc;--neo-dark:#0a1e5419;padding:58px 42px;border:1px solid #ffffffa0}
.chapter-content.editorial{width:min(820px,calc(100% - 64px));margin-inline:auto}.chapter-content.ref-scene{margin-block:90px!important}
.chapter-content.section .section-heading{margin-bottom:32px}.chapter-content.global-section{width:100%;border-radius:0!important}.chapter-content.notes-scene{overflow:hidden}
[data-theme=dark] .chapter-content.section,[data-theme=dark] .chapter-content.page-intro,[data-theme=dark] .chapter-content.editorial,[data-theme=dark] .chapter-content.product-detail{background:#17233af5;color:#FAF6F3;--ink:#FAF6F3;--muted:#d0c8c9;--surface:#17233a;--bg:#0b1730;--soft:#253047;--glass:#27314ae8;--line:#5c5962;--gold-ink:#dfc4aa;--edge:#ffffff25;--neo-light:#ffffff0d;--neo-dark:#0005;border-color:#b89b8255}
.brand-lede{font-size:1.125rem;line-height:1.9;max-width:850px;margin-bottom:35px}.brand-reasons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-bottom:35px}.brand-reasons article{padding:28px;border:1px solid var(--line);border-radius:22px;background:var(--surface);box-shadow:var(--neo-small)}.brand-reasons article>span{display:block;color:var(--gold-ink);font-size:.8125rem;letter-spacing:.07em;margin-bottom:20px}.brand-reasons h3{font-size:1.6rem;margin-bottom:18px}.brand-reasons p{font-size:1rem;line-height:1.85}.brand-boundary{font-size:.875rem;line-height:1.8;max-width:850px}
/* One coherent footer palette; no light-background / ivory-text collision. */
footer,[data-theme=dark] footer{background:#081943!important;color:#FAF6F3!important;--ink:#FAF6F3;--muted:#e1dce0;--gold-ink:#ddbea1;--line:#ffffff35;backdrop-filter:none!important}
footer .footer-brand,footer h3,footer a,footer .footer-bottom,footer span{color:#FAF6F3!important;opacity:1!important}footer p,footer .small{color:#e1dce0!important;opacity:1!important}footer a:hover,footer a:focus-visible{color:#e8c7a6!important;text-decoration:underline;text-underline-offset:5px}footer .footer-top,footer .footer-bottom{border-color:#ffffff35}footer .footer-links h3{color:#e8c7a6!important;font-size:.875rem}footer .footer-links a{font-size:.9375rem;line-height:1.8}footer .footer-brand img{content:url('//www.ilmiaura.com/cdn/shop/t/33/assets/ia-mark-dark.webp?v=159324303472246516201791372732');background:transparent;filter:none}
@media(max-width:800px){.chapter-shell{min-height:105svh}.chapter-content{width:calc(100% - 32px);margin-block:72px!important}.chapter-content.section,.chapter-content.page-intro,.chapter-content.editorial,.chapter-content.product-detail{padding:36px 22px}.chapter-content.editorial{width:calc(100% - 32px)}.chapter-content.ref-scene{width:calc(100% - 32px);margin-block:72px!important}.chapter-content.global-section{width:100%}.brand-reasons{grid-template-columns:1fr;gap:18px}.brand-reasons article{padding:24px}.brand-reasons h3{font-size:1.6rem}.brand-lede{font-size:1rem}.chapter-content .section-heading{gap:18px}.story-intro{top:16%}.story-intro h1{font-size:clamp(2.3rem,8.7vw,3.5rem)}}
@media(prefers-reduced-motion:reduce){.chapter-shell{min-height:0}.chapter-backdrop{position:absolute;inset:0;height:100%;min-height:0}.chapter-camera{transform:none;will-change:auto}.chapter-content{border-radius:28px!important}}