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/* V4: six clear chapters; in-card problem exploration */
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/* Authoritative Ikaria digital system: brand-kit/03-tokens v1.0. */
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@media(max-width:800px){header .brand{width:125px;height:55px}header.scrolled .brand{width:94px;height:40px}footer .brand{width:150px;height:66px}.nav-cta{padding:10px 12px}}
/* Canonical PDF p6–7 takes precedence over the later digital adaptation. */
:root{--paper:#FAF7F1}h1,h2,h3{font-family:Fraunces,Georgia,serif;font-weight:400;font-variation-settings:'SOFT' 0,'WONK' 0;letter-spacing:-.03em}.eyebrow,.private,.commercial small,.resident-benefits span,.problem-card-body small{letter-spacing:.18em}.config,.config-inputs select{background:var(--cream)}.problem-card h3{font-size:24px}.hero-copy h1{letter-spacing:-.035em}
@media(max-width:800px){.problem-card h3{font-size:22px}.hero-copy h1{font-size:39px}}
/* Clear in-card distinction: canonical cream/ink + terracotta accent. */
.problem-card-body>div{background:var(--cream);color:var(--ink);border:0;border-left:3px solid var(--terra);padding:17px 14px;margin:23px -8px -5px}.problem-card-body>div small{color:var(--terra);font-size:8px;line-height:1.7}.problem-card-body>div p{color:var(--ink);font-size:12px}.solution-steps{display:grid;grid-template-columns:1fr 30px 1fr 30px 1fr;gap:25px;margin-top:40px}.solution-steps article{border-top:1px solid var(--ink);padding-top:22px}.solution-index{font:12px 'Geist Mono',monospace;color:var(--terra)}.solution-steps h3{font-size:30px;margin:27px 0 20px;line-height:1.15}.solution-steps p{font-size:14px;line-height:1.6;min-height:67px}.solution-steps dl{border-top:1px solid var(--line);padding-top:20px}.solution-steps dt{font:9px 'Geist Mono',monospace;letter-spacing:.16em;margin:15px 0 8px;color:var(--secondary)}.solution-steps dd{font-size:12px;line-height:1.6}.step-arrow{padding-top:85px;font-size:23px;color:var(--terra)}.solution-example{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center;margin-top:65px;background:var(--ink);color:var(--cream)}.solution-example img{width:100%;height:430px;object-fit:cover}.solution-example>div{padding:35px 40px 35px 0}.solution-example h3{font-size:35px;line-height:1.15}.solution-example p:not(.eyebrow){font-size:14px;line-height:1.7;color:var(--sage)}.solution-example p.small{font-size:10px}.text-link{display:inline-block;font-size:12px;border-bottom:1px solid currentColor;padding-bottom:6px}.solution-example .eyebrow{color:var(--sage)}
@media(max-width:800px){.solution-steps{grid-template-columns:1fr;gap:20px;margin-top:30px}.step-arrow{display:none}.solution-steps h3{font-size:29px;margin-top:20px}.solution-steps p{min-height:0}.solution-steps article{padding-top:20px}.solution-example{grid-template-columns:1fr;gap:0;margin-top:35px}.solution-example img{height:280px}.solution-example>div{padding:30px}.solution-example h3{font-size:30px}}
.continuity{background:var(--cream);border-top:1px solid var(--line)}.continuity-grid,.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px;margin-top:35px}.continuity-grid article{border-top:1px solid var(--line);padding-top:30px}.continuity-grid .eyebrow{font-size:8px}.continuity-grid h3{font-size:28px;line-height:1.15}.continuity-grid p,.article-grid p{font-size:13px;line-height:1.7;color:var(--secondary)}.continuity-grid .text-link{margin:8px 12px 6px 0;font-size:11px}.link-notice{font-size:10px;line-height:1.6;color:var(--secondary);margin-top:30px}.insights{background:var(--ink);color:var(--cream)}.article-grid{margin-bottom:40px}.article-grid>a{border:1px solid #49523D;padding:30px;background:var(--night)}.article-grid>a:hover{border-color:var(--terra)}.article-grid .eyebrow{font-size:8px;color:var(--sage)}.article-grid h3{font-size:29px;line-height:1.15;margin:30px 0 20px}.article-grid p{color:var(--sage)}.article-grid a>span:last-child{display:block;font-size:11px;margin-top:30px}.footer-privacy{font-size:10px;text-decoration:underline}.insights .section-heading>p:last-child{color:var(--sage)}
@media(max-width:800px){.continuity-grid,.article-grid{grid-template-columns:1fr;gap:28px}.continuity-grid h3,.article-grid h3{font-size:29px}.article-grid>a{padding:28px}}
.faq{background:var(--cream);border-top:1px solid var(--line)}.faq>div{max-width:100%}.faq details{border-top:1px solid var(--line);padding:20px 0;max-width:900px}.faq summary{font:400 18px Geist,Arial,sans-serif;cursor:pointer;list-style:revert}.faq details p{font-size:14px;line-height:1.7;max-width:820px;color:var(--secondary);margin:15px 0 0}.faq h2{font-size:40px}.faq summary:focus-visible{outline:2px solid var(--terra);outline-offset:5px}
.resident-more{padding-top:0}.site-languages{flex-basis:100%;font-size:10px;line-height:1.8;color:var(--sage)}.site-languages a{color:var(--cream);margin:0 5px}
/* Engineering image sequence: individual visuals, one per deliverable. */
.solution-steps{grid-template-columns:1fr 1fr 1fr;gap:30px}.solution-steps .step-arrow{display:none}.solution-steps article{border-top:0;padding-top:0}.engineering-visual{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);margin-bottom:26px}.solution-steps .solution-index{display:inline-block}.solution-steps h3{margin-top:18px}.solution-steps article>p{min-height:67px}.developer-value{display:block}.developer-value>img{display:none}.premium-evidence{display:grid;grid-template-columns:1fr 1.25fr;gap:70px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:50px 0;margin:45px 0}.premium-number{font:400 clamp(65px,8vw,110px)/1 Fraunces,Georgia,serif;letter-spacing:-.05em;color:var(--ink)}.premium-number span{display:block;font:10px/1.6 'Geist Mono',monospace;letter-spacing:.15em;margin-top:22px;color:var(--secondary)}.premium-copy h3{font-size:31px;line-height:1.15;margin-bottom:20px}.premium-copy p{font-size:14px;line-height:1.65;color:var(--secondary)}.premium-copy .evidence-limit{font-size:11px;line-height:1.6;border-left:2px solid var(--terra);padding-left:15px;margin-top:22px}.premium-copy .text-link{font-size:12px}.developer-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.developer-benefits>div{padding-left:0;border-top:0}.developer-benefits span{position:static;display:block;margin-bottom:20px}.developer-benefits h3{font-size:25px;line-height:1.2}.developer-value .lead{max-width:700px}.developer-qual-label{font:10px 'Geist Mono',monospace;letter-spacing:.16em;color:var(--secondary);margin-top:45px}
@media(max-width:800px){.solution-steps{grid-template-columns:1fr;gap:45px}.solution-steps article>p{min-height:0}.engineering-visual{margin-bottom:22px}.premium-evidence{grid-template-columns:1fr;gap:30px;padding:35px 0;margin:30px 0}.premium-number{font-size:84px}.premium-copy h3{font-size:29px}.developer-benefits{grid-template-columns:1fr;gap:20px}.developer-benefits>div+div{border-top:1px solid var(--line)}.developer-benefits h3{font-size:25px}}
/* Minimal always-visible navigation; no disclosure/menu at any width. */
header{gap:25px;flex-wrap:nowrap}header .brand{width:150px;height:65px}header .private{display:none}header nav,header nav.is-open{display:flex;position:static;align-items:center;gap:28px;margin-left:auto;padding:0;background:none;box-shadow:none;overflow:visible;max-height:none;font-size:12px}header nav>a,header nav>a:not(.nav-cta){display:block;white-space:nowrap}header nav .nav-cta{padding:11px 16px;border:1px solid currentColor}.ideal-partner{text-align:center;border-top:1px solid var(--line);background:var(--ink);color:var(--cream)}.ideal-partner>p:not(.eyebrow){max-width:660px;margin:0 auto 30px;font-size:16px;line-height:1.7;color:var(--sage)}.ideal-partner .button{background:var(--cream);color:var(--ink);border-color:var(--cream)}
@media(max-width:800px){header{padding:0 5%;gap:12px;height:66px}header .brand{width:105px;height:48px}header.scrolled .brand{width:88px;height:40px}header nav{gap:15px;font-size:10px}header nav .nav-cta{padding:9px 10px}.ideal-partner h2{font-size:35px}.ideal-partner>p:not(.eyebrow){font-size:14px}}
@media(max-width:520px){header,header.scrolled{height:auto;min-height:97px;padding:5px 5% 9px;flex-wrap:wrap;gap:2px;justify-content:center}header .brand,header.scrolled .brand{width:94px;height:39px}header nav{width:100%;justify-content:space-between;gap:8px;margin:0;font-size:10px}header nav .nav-cta{padding:7px 10px}html{scroll-padding-top:110px}.hero-copy{bottom:14%}}
/* Compact framed vision film, matching the original page's bounded composition. */
.film{padding-top:20px;padding-bottom:65px}.film-heading{max-width:980px;margin:0 auto}.film video{max-width:980px;margin:20px auto 0;max-height:550px;aspect-ratio:16/9;object-fit:contain;background:var(--ink);border:1px solid var(--line)}.vision-pillars{max-width:980px;margin:auto}.hero-foot{justify-content:space-between}
/* Stable problem cards: opening never changes the section's height. */
.problem-columns{align-items:stretch}.problem-card,.problem-card:hover,.problem-card:focus-within,.problem-card[open]{flex:1;min-height:0;height:390px;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;transition:background .2s,border-color .2s}.problem-card summary{min-height:130px}.problem-card h3{margin-top:28px}.problem-card-body>div{margin-bottom:8px}.problem-card-body{padding-bottom:6px}
.contact-preview{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;border-top:1px solid var(--line)}.contact-preview>div>p:last-child{font-size:16px;line-height:1.7;max-width:430px;color:var(--secondary)}.contact-fields{display:grid;grid-template-columns:1fr 1fr;gap:23px}.contact-fields label{display:block;font:12px/1.6 Geist,Arial,sans-serif}.contact-fields input,.contact-fields select,.contact-fields textarea{display:block;width:100%;min-width:0;margin-top:9px;padding:14px 12px;border:1px solid var(--line);border-radius:2px;background:var(--cream);color:var(--ink);font:14px/1.5 Geist,Arial,sans-serif}.contact-fields textarea{resize:vertical}.contact-fields input:focus-visible,.contact-fields select:focus-visible,.contact-fields textarea:focus-visible{outline:2px solid var(--terra);outline-offset:2px}.contact-wide{grid-column:1/-1}.contact-note{font-size:11px;line-height:1.7;color:var(--secondary);margin:24px 0}.contact-preview button:disabled{opacity:.5;cursor:not-allowed}.contact-preview button:disabled:hover{opacity:.5}
@keyframes reveal-once{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.reveal-once{animation:reveal-once .65s cubic-bezier(.2,.7,.3,1) both}
@media(max-width:800px){.film{padding-top:0;padding-bottom:50px}.film video{min-height:0;width:100%;max-height:none;margin-top:20px}.film-heading h2{font-size:31px}.problem-columns{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(270px,85%);grid-template-columns:none;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:0 0 16px;align-items:stretch}.problem-card,.problem-card:hover,.problem-card:focus-within,.problem-card[open]{height:350px;min-height:0;padding:24px;scroll-snap-align:start}.problem-card summary{display:block;min-height:95px;padding-right:20px}.problem-card h3{margin-top:20px;font-size:24px}.problem-card .problem-num{font-size:10px}.problem-card[open] .problem-card-body{margin-top:5px}.contact-preview{grid-template-columns:1fr;gap:30px}.contact-fields{grid-template-columns:1fr}.contact-wide{grid-column:auto}.contact-preview h2{font-size:37px}}
@media(prefers-reduced-motion:reduce){.reveal-once{animation:none}.problem-card{transition:none}}
.film video{max-width:940px;border:12px solid #FFFFFF;border-radius:3px;box-shadow:0 12px 36px #12160F14;max-height:75vh}.cards-mobile-hint{display:none}
@media(max-width:800px){.film video{border-width:6px}.cards-mobile-hint{display:block;font:10px/1.6 'Geist Mono',monospace;color:var(--sage);margin-top:24px}.problem-columns{margin-top:18px}}
/* Compact rhythm, clear chapter boundaries, and canonical Ink/Cream alternation. */
#approach{padding-top:58px;padding-bottom:48px;border-top:1px solid var(--line)}#approach .section-heading h2{margin-bottom:15px}#approach .work-interactive{margin-top:18px;padding:25px}#workDetail{gap:40px;padding-top:22px}#workDetail p{margin-bottom:12px}#developers{padding-top:58px;padding-bottom:65px;border-top:1px solid var(--line)}.premium-evidence{padding:35px 0;margin:30px 0}.developer-qual-label{margin-top:30px}.developer-benefits>div{padding-top:12px;padding-bottom:10px}.resident-benefits{padding-top:48px;padding-bottom:48px}.resident-more{padding-top:0}.contact-preview{padding-top:70px;padding-bottom:70px}.editorial-break{height:260px;overflow:hidden}.editorial-break img{width:100%;height:100%;object-fit:cover;object-position:center 55%}.faq{background:var(--ink);color:var(--cream);border-color:#49523D;padding-top:65px;padding-bottom:65px}.faq details{border-color:#49523D}.faq details p{color:var(--sage)}.insights{background:var(--cream);color:var(--ink);padding-top:65px;padding-bottom:65px}.insights .section-heading>p:last-child,.article-grid p,.article-grid .eyebrow{color:var(--secondary)}.article-grid>a{background:var(--cream);border-color:var(--line)}.article-grid>a:hover{border-color:var(--terra)}.article-grid{gap:24px}.article-grid h3{margin:20px 0 15px}footer{border-top:1px solid #49523D}
.language-control{position:relative;flex-shrink:0}.language-control>button{padding:8px;border:0;background:transparent;font-size:23px;line-height:1;cursor:pointer}.language-control>button:focus-visible{outline:2px solid var(--terra);outline-offset:3px}#language-list{position:absolute;right:0;top:calc(100% + 12px);list-style:none;background:var(--cream);color:var(--ink);border:1px solid var(--line);padding:7px;margin:0;min-width:170px;box-shadow:0 12px 30px #12160F20}#language-list[hidden]{display:none}#language-list a{display:block;padding:11px 13px;font:13px Geist,Arial,sans-serif;white-space:nowrap}#language-list a:hover,#language-list a:focus-visible{background:#12160F0a}#language-list a[aria-current=page]{font-weight:500;border-left:2px solid var(--terra)}html[data-language-redirect] body{visibility:hidden}
@media(max-width:800px){#approach,#developers{padding-top:42px;padding-bottom:42px}#approach .work-interactive{padding:20px}#workDetail{gap:20px}.editorial-break{height:200px}.contact-preview,.faq,.insights{padding-top:50px;padding-bottom:50px}.language-control>button{font-size:21px;padding:6px}header{gap:9px}header nav{gap:12px}}
@media(max-width:520px){header,header.scrolled{justify-content:space-between;column-gap:10px}header .brand{order:0}header .language-control{order:1;margin-left:auto}header nav{order:2;width:100%}#language-list{top:calc(100% + 6px)}}
.hero{background:var(--ink) url('/assets/luxury-community-poster.jpg') center/cover}.language-fallback{font-size:12px;line-height:1.8;flex-basis:100%}.language-fallback a{text-decoration:underline;margin:0 5px}
@media(prefers-reduced-motion:reduce){#heroVideo{display:none}}
/* V13: short, always-visible problem cards; no expanding panels or nested scroll. */
.problem-columns{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;align-items:stretch;overflow:visible}.problem-card,.problem-card:hover,.problem-card:focus-within,.problem-card[open]{height:auto;min-height:0;max-height:none;overflow:visible;flex:initial;padding:24px 18px;display:flex;flex-direction:column;transition:border-color .2s}.problem-card-heading{display:block}.problem-card h3{font-size:23px;line-height:1.18;margin:22px 0}.problem-card-body,.problem-card:not([open]) .problem-card-body,.problem-card:not([open]):not(:hover):not(:focus-within) .problem-card-body>div{display:block;opacity:1}.problem-card-body{display:flex!important;flex-direction:column;flex:1;padding:0}.problem-card-body>p{margin:0 0 20px;font-size:13px;line-height:1.6}.problem-card-body>div{margin: auto 0 0;padding:14px 12px;flex:none}.problem-card-body>div p{font-size:12px;line-height:1.6;margin:8px 0 0}.problem-card-body>div small{font-size:8px;line-height:1.5;letter-spacing:.12em}.cards-mobile-hint{display:none}
/* Shared grid rows align image, heading, copy and the You bring divider. */
.solution-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 30px;align-items:stretch}.solution-steps article{display:grid;grid-template-rows:auto auto auto 1fr auto;row-gap:0;min-width:0}.solution-steps .engineering-visual{margin-bottom:24px}.solution-steps h3{margin:18px 0 20px}.solution-steps article>p{min-height:0;margin:0 0 24px;line-height:1.6}.solution-steps dl{margin:0;padding-top:20px;min-width:0}.solution-steps dd{overflow-wrap:anywhere}.solution-index{align-self:start}
@supports(grid-template-rows:subgrid){.solution-steps article{grid-row:span 5;grid-template-rows:subgrid}.solution-steps dl{align-self:stretch}}
@media(max-width:1100px){.problem-columns{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.problem-card h3{font-size:25px}.problem-card-body>p{font-size:14px}}
@media(max-width:800px){.problem-columns{display:grid;grid-auto-flow:row;grid-auto-columns:auto;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible;scroll-snap-type:none;padding:0;gap:16px}.problem-card,.problem-card:hover,.problem-card:focus-within,.problem-card[open]{height:auto;max-height:none;min-height:0;overflow:visible;padding:24px;scroll-snap-align:none}.problem-card h3{margin:20px 0;font-size:25px}.problem-card-body{margin-top:0!important}.solution-steps{grid-template-columns:1fr;gap:38px}.solution-steps article{grid-row:auto;grid-template-rows:auto auto auto auto auto}.solution-steps .engineering-visual{margin-bottom:22px}.solution-steps dl{margin-top:0}.cards-mobile-hint{display:none}}
@media(max-width:580px){.problem-columns{grid-template-columns:1fr}.problem-card-body>div{margin-top:0}.problem-card h3{margin:15px 0}.problem-card-body>p{margin-bottom:18px}}
@supports not(grid-template-rows:subgrid){.solution-steps article{display:block}.solution-steps dl{margin-top:0}}

/* Production contact uses the existing consent + same-origin API contract. */
#application-form{align-content:start;gap:22px}#application-form .field label{display:block;font-size:12px}#application-form .wide{grid-column:1/-1}#application-form .application-privacy label{display:flex;align-items:flex-start;gap:10px}#application-form .application-privacy input{width:18px;flex:none;min-height:18px;margin:4px 0}#application-form .application-privacy a{font-size:12px}#application-form .application-honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}#application-form [hidden]{display:none!important}.privacy-notice{border-top:1px solid var(--line);font-size:13px;line-height:1.7}.privacy-notice h3{font-size:24px}.legacy-anchor{display:block;position:relative;top:-100px;visibility:hidden}html[data-language-redirect] body{visibility:hidden}