/* Eyesight visual system modelled on wcag.com (Outfit headings, Atkinson Hyperlegible body, navy and blue, rounded sections). */
@font-face{font-family:'Outfit';font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/outfit-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Outfit';font-style:normal;font-weight:500;font-display:swap;src:url(/fonts/outfit-latin-500-normal.woff2) format('woff2')}
@font-face{font-family:'Outfit';font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/outfit-latin-600-normal.woff2) format('woff2')}
@font-face{font-family:'Outfit';font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/outfit-latin-700-normal.woff2) format('woff2')}
@font-face{font-family:'Atkinson Hyperlegible';font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/atkinson-hyperlegible-latin-400-normal.woff2) format('woff2')}
@font-face{font-family:'Atkinson Hyperlegible';font-style:italic;font-weight:400;font-display:swap;src:url(/fonts/atkinson-hyperlegible-latin-400-italic.woff2) format('woff2')}
@font-face{font-family:'Atkinson Hyperlegible';font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/atkinson-hyperlegible-latin-700-normal.woff2) format('woff2')}

:root{
 font-size:16px;color-scheme:light;
 --dark:#101828;--navy:#101828;--accent:#ffd500;--blue:#ffd500;--link:#101828;--pale:#f2f4f7;--tint:#e4e7ec;--white:#fff;--ink:#111111;
 --bg:#fff;--surface:#fff;--section:#f2f4f7;--dark-text:#fff;--dark-muted:#e4e7ec;
 --text:#111111;--muted:#475467;--line:#e4e7ec;--focus:#ffd500;--focus-ring:#101828;
 --hero-a:#101828;--hero-b:#1d2939;--banner-a:#101828;--banner-b:#1d2939;
 --btn-bg:#ffd500;--btn-text:#111111;
 --head:'Outfit',system-ui,sans-serif;--body:'Atkinson Hyperlegible',system-ui,sans-serif;
 --r-xl:40px;--r-lg:24px;--r-md:16px;--r-sm:8px;--pill:800px;
 --container:1326px;--gutter:24px;--section-pad:120px;
}
:root[data-theme=dark]{color-scheme:dark;--bg:#0b1220;--surface:#101828;--section:#141d2e;--dark:#060b16;--text:#f8fafc;--muted:#cbd5e1;--line:#2a3447;--link:#ffd500;--pale:#1d2939;--tint:#2a3447;--focus:#ffd500;--focus-ring:#0b1220;--hero-a:#101828;--hero-b:#1d2939;--dark-text:#fff;--dark-muted:#e4e7ec}
:root[data-theme=contrast]{color-scheme:dark;--bg:#000;--surface:#000;--section:#000;--dark:#000;--text:#fff;--muted:#fff;--line:#fff;--link:#ffd500;--blue:#ffd500;--accent:#ffd500;--pale:#000;--tint:#fff;--dark-text:#fff;--dark-muted:#fff;--focus:#00ffff;--focus-ring:#000;--hero-a:#000;--hero-b:#000;--banner-a:#000;--banner-b:#000;--btn-bg:#ffd500;--btn-text:#000}
:root[data-spacing=wide] body{line-height:2;letter-spacing:.12em;word-spacing:.16em}
:root[data-spacing=wide] p+p{margin-top:2.5em}
:root[data-spacing=wide] h1,:root[data-spacing=wide] h2,:root[data-spacing=wide] h3{line-height:1.5;letter-spacing:.03em}
:root[data-spacing=wide] button,:root[data-spacing=wide] .btn{line-height:1.8;letter-spacing:.1em}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);line-height:1.6;min-height:100vh}
img,svg{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--head);font-weight:600;color:inherit;margin:0 0 .5em;line-height:1.1;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(2rem,4.2vw,3.5rem);font-weight:500;line-height:1;letter-spacing:-.02em;margin-bottom:24px}
h2{font-size:clamp(1.6rem,2.6vw,2.5rem)}
h3{font-size:1.25rem;line-height:1.2}
h4{font-size:1.05rem}
p{margin:0 0 1.25em}
p:last-child{margin-bottom:0}
a{color:var(--link);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px}
a:hover{text-decoration-thickness:3px;text-decoration-color:var(--accent)}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;box-shadow:0 0 0 6px var(--focus-ring);border-radius:4px}
.dark-section :focus-visible,.hero :focus-visible,.site-footer :focus-visible,.alert-banner :focus-visible{outline-color:#fff;box-shadow:0 0 0 6px var(--dark)}
ul,ol{padding-left:1.4em;margin:0 0 1.25em}
li+li{margin-top:.4em}
small{font-size:.9rem}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
blockquote{margin:0 0 1.25em;padding:20px 24px;border-left:4px solid var(--accent);background:var(--section);border-radius:0 var(--r-md) var(--r-md) 0;font-family:var(--head);font-size:1.2rem;font-weight:500}
dl{margin:0}
code{font-family:ui-monospace,monospace;font-size:.95em}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
[hidden]{display:none!important}

/* ---------- Shell ---------- */
.skip{position:absolute;left:16px;top:-100px;background:var(--navy);color:#fff;padding:12px 20px;border-radius:var(--pill);z-index:100;font-family:var(--head);font-weight:500}
.skip:focus{top:12px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.alert-banner{background:linear-gradient(90deg,var(--banner-a),var(--banner-b));color:#fff;border-radius:0 0 12px 12px;padding:8px 0;text-align:center;font-size:1rem}
.alert-banner p{margin:0;padding:4px 0}
.alert-banner a{color:var(--accent);text-decoration:underline;font-weight:700;margin-left:6px}
.site-header{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid transparent}
.site-header .container{display:flex;align-items:center;gap:16px;min-height:90px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--head);font-weight:700;font-size:1.35rem;color:var(--text);text-decoration:none;letter-spacing:-.01em}
.brand .mark{width:40px;height:40px;color:var(--dark)}
.brand .wordmark{font-weight:700;letter-spacing:.02em;text-transform:uppercase;font-size:1.3rem}
.site-footer .brand img{height:56px;width:auto}
:root[data-theme=dark] .brand .mark,:root[data-theme=contrast] .brand .mark{color:#fff}
.site-nav{display:flex;align-items:center;margin-left:auto;gap:4px}
.site-nav a{font-family:var(--head);font-weight:500;color:var(--text);text-decoration:none;padding:14px 12px;white-space:nowrap;border-radius:var(--pill);line-height:1.6}
.site-nav a:hover,.site-nav a[aria-current=page]{text-decoration:underline;text-underline-offset:6px;text-decoration-thickness:2px}
.site-search{display:flex;align-items:center}
.site-search input{font:inherit;font-size:.95rem;border:1px solid var(--text);border-radius:var(--pill);padding:12px 44px 12px 18px;width:150px;background:var(--surface);color:var(--text)}
.site-search input::placeholder{color:var(--muted)}
.site-search button{margin-left:-44px;background:none;border:0;padding:10px;color:var(--text);cursor:pointer;display:inline-flex;border-radius:50%}
.site-search button svg{width:18px;height:18px}
.reader-button{font-family:var(--head);font-weight:500;background:var(--surface);color:var(--text);border:2px solid var(--text);border-radius:var(--pill);padding:10px 18px;cursor:pointer;font-size:.95rem;white-space:nowrap}
.reader-button:hover{background:var(--text);color:var(--bg)}
.menu-toggle{display:none;background:none;border:0;padding:10px;cursor:pointer;color:var(--text)}
.menu-toggle svg{width:30px;height:30px}
.interface-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0;font-size:.95rem;flex-wrap:wrap}
.interface-bar [role=group]{display:inline-flex;align-items:center;gap:8px}
.interface-bar [role=group]>span{margin-right:4px;color:var(--muted)}
.interface-bar button{font:inherit;font-family:var(--head);font-weight:500;border:2px solid var(--text);background:var(--surface);color:var(--text);border-radius:var(--pill);padding:6px 16px;cursor:pointer}
.interface-bar button[aria-pressed=true]{background:var(--text);color:var(--bg)}
main{display:block}
main:focus{outline:none}
.no-script{max-width:var(--container);margin:0 auto;padding:12px 24px;background:var(--section);border-radius:var(--r-sm)}

/* ---------- Buttons, links ---------- */
.btn,button.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--head);font-weight:500;font-size:.95rem;line-height:1.2;padding:19px 32px;border-radius:var(--pill);border:2px solid var(--text);background:var(--surface);color:var(--text);text-decoration:none;cursor:pointer;transition:background .15s,color .15s}
.btn:hover{background:var(--text);color:var(--bg)}
.btn.primary{background:var(--btn-bg);border-color:var(--btn-bg);color:var(--btn-text)}
.btn.primary:hover{background:var(--text);border-color:var(--text);color:var(--bg)}
.dark-section .btn,.hero .btn{border-color:#fff;background:transparent;color:#fff}
.dark-section .btn:hover,.hero .btn:hover{background:#fff;color:var(--navy)}
.dark-section .btn.primary,.hero .btn.primary{background:var(--accent);color:#111;border-color:var(--accent)}
.dark-section .btn.primary:hover,.hero .btn.primary:hover{background:#fff;color:#111;border-color:#fff}
.btn.small{padding:11px 20px;font-size:.9rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.quiet{font:inherit;font-family:var(--head);font-weight:500;background:none;border:0;color:var(--link);text-decoration:underline;text-underline-offset:4px;cursor:pointer;padding:6px 2px}
.text-link{font-family:var(--head);font-weight:600}
.link-list{display:flex;flex-wrap:wrap;gap:8px 24px;margin:16px 0}
.dark-section a,.hero a{color:#fff;text-decoration-color:var(--accent)}
.site-footer a{color:#fff}

/* ---------- Page hero (inner pages) ---------- */
.hero{position:relative;background:var(--dark);color:var(--dark-text);margin:0 8px;border-radius:var(--r-lg) var(--r-lg) 0 0;padding:64px 0 136px;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 20%,var(--hero-a),var(--hero-b));opacity:.9;z-index:-1}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:52px;background:var(--bg);clip-path:ellipse(60% 100% at 50% 100%)}
.hero .page-intro{text-align:center;max-width:930px;margin:0 auto}
.hero h1{color:#fff}
.hero .lede{font-size:1.125rem;line-height:1.6;color:var(--dark-muted);max-width:900px;margin:0 auto}
.hero .meta{display:flex;justify-content:center;flex-wrap:wrap;gap:8px 20px;font-size:1rem;margin:0 0 24px;color:#fff}
.hero .meta span+span::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-right:20px;vertical-align:middle}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px 10px;font-family:var(--head);font-size:1rem;margin:0 0 56px;color:#fff;max-width:var(--container);padding:0 var(--gutter);margin-left:auto;margin-right:auto;list-style:none}
.breadcrumb a{color:#fff}
.breadcrumb .crumb-sep{display:inline-flex;align-items:center;opacity:.8}
.hero.home{padding:120px 0;border-radius:var(--r-xl) var(--r-xl) 0 0}
.hero.home::after{height:60px}
.hero.home h1{font-size:clamp(2.2rem,4.5vw,3.5rem)}
.hero .btn-row{justify-content:center;margin-top:32px}
.page-body{background:var(--bg);padding:40px 0 80px}
.page-body.tinted{background:var(--section);margin:0 8px;border-radius:0 0 var(--r-lg) var(--r-lg)}
.page-body.tinted+.site-footer{margin-top:8px}

/* ---------- Sections ---------- */
.section{padding:var(--section-pad) 0}
.section.tinted{background:var(--section)}
.section.tinted.rounded{margin:0 8px;border-radius:var(--r-xl)}
.dark-section{background:var(--dark);color:var(--dark-text);margin:8px;border-radius:var(--r-xl);padding:var(--section-pad) 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:72px}
.section-head.centred{justify-content:center;text-align:center}
.section-head h2{margin:0}
.section-head p{max-width:720px}
.lead{font-size:1.125rem;line-height:1.6}

/* ---------- Cards ---------- */
.card{background:var(--surface);color:var(--text);border:1px solid var(--tint);border-radius:var(--r-lg);padding:32px 24px;position:relative;display:flex;flex-direction:column;gap:12px}
.card h2,.card h3{font-size:1.25rem;margin:0}
.card h2 a,.card h3 a{color:var(--link)}
.card p{margin:0}
.card .card-footer{margin-top:auto;padding-top:12px;font-family:var(--head);font-weight:700;font-size:.95rem}
.card.linked{border-width:2px;transition:border-color .15s}
.card.linked:hover,.card.linked:focus-within{border-color:var(--accent)}
.card.linked .corner{position:absolute;top:28px;right:24px;color:var(--text)}
.card.linked .corner svg{width:22px;height:22px}
.card.linked>a.cover{position:absolute;inset:0;border-radius:inherit;text-indent:-9999px;overflow:hidden}
.card.column{border-radius:var(--r-lg) var(--r-lg) var(--r-sm) var(--r-sm);padding:40px 32px}
.card .icon{width:56px;height:56px;border-radius:var(--r-xl) 0 0 0;background:var(--accent);display:grid;place-items:center;margin-bottom:12px}
.card .icon svg{width:30px;height:30px}
.dark-section .card{color:var(--navy);border:0;border-radius:var(--r-md)}
:root[data-theme=dark] .dark-section .card{background:#fff}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:8px}
.card-grid.wide{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.card-grid.four{grid-template-columns:repeat(4,1fr)}
.card-grid.three{grid-template-columns:repeat(4,1fr);gap:16px}
.eyebrow{font-family:var(--head);font-weight:600;font-size:.95rem;color:var(--muted);margin:0 0 8px}
.dark-section .eyebrow,.hero .eyebrow{color:var(--dark-muted)}
.badge{display:inline-block;background:var(--accent);color:#111;border-radius:4px;padding:4px 12px;font-size:.95rem}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.callout{background:var(--section);border-radius:var(--r-md);padding:32px;margin:40px 0}
.callout h2,.callout h3{font-size:1.4rem}
.callout.alert{border-left:6px solid var(--accent)}
.note{font-size:.95rem;color:var(--muted)}
.small-note{font-size:.9rem;color:var(--muted)}
.empty-state{padding:32px;background:var(--section);border-radius:var(--r-md)}

/* ---------- Home ---------- */
.home-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.home-hero-grid .hero-art{aspect-ratio:3/2;border-radius:var(--r-lg);background:url(/assets/vision-hero.webp) center/cover;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.home-hero-grid .page-intro{text-align:left;margin:0}
.home-hero-grid .lede{margin:0}
.home-hero-grid .btn-row{justify-content:flex-start}
.carousel{min-width:0;max-width:100%;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(300px,1fr);gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin}
.carousel>*{scroll-snap-align:start}
.carousel-controls{display:flex;gap:6px}
.carousel-controls button{width:78px;height:46px;border-radius:32px;border:0;background:var(--accent);color:#111;cursor:pointer;display:grid;place-items:center}
.carousel-controls button:disabled{opacity:.4;cursor:default}
.carousel-controls svg{width:22px;height:22px}
.solution-card{min-height:200px;padding-right:110px;overflow:hidden}
.solution-card .art{position:absolute;right:-20px;bottom:-20px;width:150px;height:150px;border-radius:50%;background:var(--accent);display:grid;place-items:center;overflow:hidden}
.solution-card .art svg{width:90px;height:90px}
.faq details{border-top:1px solid var(--line);padding:16px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-family:var(--head);font-weight:600;font-size:1.15rem;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.6rem;line-height:1;color:var(--text);flex:none}
.faq details[open] summary::after{content:"−"}
.faq details>p,.faq details>div{padding-top:12px}
.post-card time{font-size:1rem}
.post-card .badge{margin-top:auto;align-self:flex-start}

/* ---------- Footer ---------- */
.site-footer{background:#060c1a;color:#fff;margin:8px;border-radius:32px;padding:48px 0 16px}
.site-footer .top{display:grid;grid-template-columns:1fr 2fr;gap:32px;margin-bottom:24px}
.site-footer .cols{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:0 0 16px}
.site-footer li a{font-family:var(--head);font-weight:500;text-decoration:none}
.site-footer li a:hover{text-decoration:underline}
.site-footer hr{border-color:rgba(255,255,255,.3);margin:16px 0}
.site-footer .credit{font-size:.95rem;color:var(--dark-muted)}
.site-footer .credit a{font-weight:600}
.site-footer .bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.9rem;padding:12px 0}
.site-footer .bottom ul{display:flex;gap:20px;flex-wrap:wrap}
.site-footer .bottom li{margin:0}
.site-footer .brand{color:#fff}

/* ---------- Reading dialog ---------- */
dialog{border:0;border-radius:var(--r-lg);padding:40px;max-width:560px;width:calc(100% - 32px);background:var(--surface);color:var(--text);box-shadow:0 30px 80px rgba(0,0,0,.35)}
dialog::backdrop{background:rgba(26,7,60,.6)}
.dialog-close{float:right;font:inherit;font-family:var(--head);font-weight:500;border:2px solid var(--text);background:var(--surface);color:var(--text);border-radius:var(--pill);padding:8px 16px;cursor:pointer}
.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}
.settings-grid label{display:grid;gap:6px;font-family:var(--head);font-weight:500}
select,input[type=search],input[type=text]{max-width:100%;min-width:0;width:100%;font:inherit;padding:12px 16px;border:1px solid var(--text);border-radius:var(--r-sm);background:var(--surface);color:var(--text);min-height:48px}
.check-label{display:flex;align-items:center;gap:12px;font-family:var(--head);font-weight:500;cursor:pointer}
.check-label input{width:24px;height:24px;accent-color:var(--dark);margin:0}
#reader-reset{font:inherit;font-family:var(--head);font-weight:500;border:2px solid var(--text);background:var(--surface);color:var(--text);border-radius:var(--pill);padding:12px 24px;cursor:pointer}

/* ---------- Toolbars, forms, groups ---------- */
.toolbar{display:grid;grid-template-columns:2fr 1fr auto;gap:16px;align-items:end;margin:0 0 24px}
.toolbar label{display:grid;gap:6px;font-family:var(--head);font-weight:500}
.toolbar input[type=search]{border-radius:var(--pill);padding-left:20px}
.button-group{display:inline-flex;flex-wrap:wrap;gap:6px}
.button-group button,.segmented button{font:inherit;font-family:var(--head);font-weight:500;font-size:.95rem;border:2px solid var(--text);background:var(--surface);color:var(--text);border-radius:var(--pill);padding:10px 18px;cursor:pointer;min-height:44px}
.button-group button[aria-pressed=true],.segmented button[aria-pressed=true]{background:var(--text);color:var(--bg)}
.control-label{display:block;font-family:var(--head);font-weight:500;margin-bottom:6px}
.control-help{font-size:.9rem;color:var(--muted);margin:8px 0 0}
.range-control{display:grid;gap:8px;font-family:var(--head);font-weight:500}
.range-control span{display:flex;justify-content:space-between}
.range-control output{font-weight:400;font-family:var(--body)}
input[type=range]{width:100%;accent-color:var(--dark);height:32px;margin:0}
fieldset{border:1px solid var(--line);border-radius:var(--r-md);padding:16px 20px;margin:16px 0}
legend{font-family:var(--head);font-weight:600;padding:0 8px}
fieldset label{display:flex;gap:10px;align-items:center;margin:8px 0;cursor:pointer}
details.model-note,details.scene-tools,details.colour-method{border:1px solid var(--line);border-radius:var(--r-md);padding:16px 20px;margin:24px 0;background:var(--surface)}
details summary{cursor:pointer;font-family:var(--head);font-weight:600}
details[open] summary{margin-bottom:12px}
[role=status]{min-height:1.5em}

/* ---------- Library / cards of conditions ---------- */
.library-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.library-cards.as-list{grid-template-columns:1fr}
.library-cards.as-list .card{flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:8px 24px;padding:20px 24px}
.library-cards.as-list .card p{flex:1 1 300px}
.concept-tags{display:flex;flex-wrap:wrap;gap:6px}
.concept-tags span{background:var(--pale);color:var(--text);border:1px solid var(--tint);border-radius:4px;padding:3px 10px;font-size:.85rem}
:root[data-theme=dark] .concept-tags span{color:#fff}
:root[data-theme=contrast] .concept-tags span,:root[data-theme=contrast] .badge,:root[data-theme=contrast] .emergency-panel,:root[data-theme=contrast] .triage-box{background:#fff;color:#000}
:root[data-theme=contrast] .emergency-panel a,:root[data-theme=contrast] .triage-box a,:root[data-theme=contrast] .emergency-panel .eyebrow,:root[data-theme=contrast] .triage-box .eyebrow{color:#000}

/* ---------- Condition guide ---------- */
.guide-layout{display:grid;grid-template-columns:300px minmax(0,1fr);gap:48px;align-items:start}
.guide-index{position:sticky;top:110px;background:var(--surface);border-radius:var(--r-md);padding:24px;border:1px solid var(--tint)}
.guide-index h2{font-size:1.1rem;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:12px}
.guide-index ol{list-style:none;padding:0;margin:0}
.guide-index li{margin:0}
.guide-index a{display:block;padding:8px 10px;border-radius:var(--r-sm);text-decoration:none;color:var(--text)}
.guide-index a:hover{text-decoration:underline}
.guide-index a[aria-current=true]{background:var(--accent);color:#111;font-weight:700}
:root[data-theme=dark] .guide-index a[aria-current=true],:root[data-theme=contrast] .guide-index a[aria-current=true]{color:#000;background:#fff}
:root[data-theme=dark] .guide-index a[aria-current=true]{color:#111;background:var(--accent)}
.guide-tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.guide-prose{max-width:760px}
.guide-prose section{padding:40px 0;border-bottom:1px solid var(--line)}
.guide-prose section:first-child{padding-top:0}
.guide-prose p,.guide-prose li{font-size:1.125rem}
.guide-prose h2{font-size:1.5rem;margin-bottom:16px}
.glance{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-md);padding:24px;margin:0 0 32px}
.glance div{display:grid;gap:4px}
.glance dt{font-family:var(--head);font-weight:600;font-size:.95rem;color:var(--muted)}
.glance dd{margin:0}
.daily-cards{display:grid;gap:12px;margin-top:16px}
.daily-cards article{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-md);padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}
.daily-cards h3{grid-column:1/-1;font-size:1.15rem}
.daily-help{background:var(--section);border-radius:var(--r-sm);padding:12px 16px}
.daily-help strong{display:block;font-family:var(--head);font-size:.95rem;margin-bottom:4px}
.connection-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:16px 0}
.connection-list>div{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-md);padding:20px}
.connection-list h3{font-size:1.1rem}
.terms-used{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.terms-used details{background:var(--section);border-radius:var(--pill);padding:0}
.terms-used summary{padding:8px 16px;list-style:none}
.terms-used summary::-webkit-details-marker{display:none}
.terms-used details[open]{border-radius:var(--r-md);padding-bottom:12px;flex-basis:100%}
.terms-used details p{padding:0 16px;margin:0}
.concept-art{margin:0 0 24px}
.concept-art img{border-radius:var(--r-md)}
.concept-art figcaption{font-size:.95rem;color:var(--muted);margin-top:8px}

/* ---------- Atlas, compare, start ---------- */
.atlas-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.atlas-card{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:32px}
.atlas-card .btn{margin:12px 0}
.atlas-card details{margin-top:12px}
.atlas-card details a{display:block;padding:4px 0}
.atlas-task{font-style:italic;color:var(--muted);margin-top:12px}
.compare-selectors{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.compare-selectors label{display:grid;gap:6px;font-family:var(--head);font-weight:500}
.compare-guides{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.compare-guides article{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:32px}
.compare-guides h3{font-size:1.05rem;margin-top:20px;color:var(--muted)}
.compare-summary{background:var(--section);border-radius:var(--r-md);padding:24px;margin:0 0 24px}
.compare-summary ul{margin:0}
.journey-choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:24px}
.journey-choices button{font:inherit;font-family:var(--head);font-weight:600;font-size:1.05rem;text-align:left;border:2px solid var(--tint);background:var(--surface);color:var(--text);border-radius:var(--r-md);padding:24px;cursor:pointer;min-height:100px}
.journey-choices button[aria-pressed=true]{border-color:var(--text);background:var(--accent);color:#111}
:root[data-theme=dark] .journey-choices button[aria-pressed=true]{color:#111}
:root[data-theme=contrast] .journey-choices button[aria-pressed=true],:root[data-theme=contrast] .effect-menu button[aria-pressed=true]{background:#fff;color:#000}
:root[data-theme=contrast] .effect-menu button[aria-pressed=true] small{color:#000}
.journey-result{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:32px}
.journey-result ol{padding-left:1.2em}

/* ---------- Support ---------- */
.section-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 32px}
.section-tabs a{font-family:var(--head);font-weight:500;text-decoration:none;border:2px solid var(--text);color:var(--text);border-radius:var(--pill);padding:10px 20px}
.section-tabs a[aria-current=page]{background:var(--text);color:var(--bg)}
.support-paths{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.support-paths a{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--text);background:var(--surface);border:2px solid var(--tint);border-radius:var(--r-lg);padding:32px 24px}
.support-paths a:hover{border-color:var(--accent)}
.support-paths a span{font-family:var(--head);font-weight:600;color:var(--muted);font-size:.95rem}
.support-paths h2{font-size:1.35rem;color:var(--link);text-decoration:underline;text-underline-offset:4px}
.urgent-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.emergency-panel{background:var(--navy);color:#fff;border-radius:var(--r-lg);padding:32px}
.emergency-panel a{color:#fff}
.emergency-panel .eyebrow{color:#fff}
.support-article{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:32px;margin-bottom:16px}
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.service-card{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:28px 24px;display:flex;flex-direction:column;gap:10px}
.service-card h2{font-size:1.2rem;margin:0}
.service-card p{margin:0}
.service-card .links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:auto;padding-top:8px}
.phone{font-family:var(--head);font-weight:600;font-size:1.1rem}
.area-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.area-card{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--text);background:var(--surface);border:2px solid var(--tint);border-radius:var(--r-lg);padding:28px 24px;position:relative}
.area-card:hover{border-color:var(--accent)}
.area-card h2{font-size:1.25rem;color:var(--link);text-decoration:underline;text-underline-offset:4px;margin:0}
.area-card .corner{position:absolute;top:24px;right:20px;color:var(--text)}
.area-card .corner svg{width:22px;height:22px}
.area-filter{display:flex;gap:24px;align-items:end;margin:0 0 24px;flex-wrap:wrap}
.area-filter label{display:grid;gap:6px;font-family:var(--head);font-weight:500}
.nation-layout{display:grid;grid-template-columns:1fr 2fr;gap:32px}
.nation-layout label{display:block;font-family:var(--head);font-weight:500;margin-bottom:6px}
.living-layout{display:grid;grid-template-columns:2fr 1fr;gap:32px;align-items:start}
.living-guide{border:1px solid var(--tint);border-radius:var(--r-md);padding:16px 24px;margin-bottom:12px;background:var(--surface)}
.living-guide summary{font-size:1.1rem}
.appointment-box{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:28px;position:sticky;top:110px}
.appointment-box .check-label{margin:10px 0;font-weight:400;font-family:var(--body)}
.oxford-intro{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:24px}
.triage-box{background:var(--navy);color:#fff;border-radius:var(--r-lg);padding:32px}
.triage-box a{color:#fff}
.triage-box .eyebrow{color:#fff}
.phone-number{display:inline-block;font-family:var(--head);font-size:2rem;font-weight:600;text-decoration:none;margin:8px 0}
.triage-box dl{display:grid;gap:8px;margin:16px 0}
.triage-box dl div{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:6px}
.triage-box dd{margin:0}
.editorial-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.editorial-columns article{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:28px}
.policy-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.policy-grid article{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:28px}
.policy-grid h2{font-size:1.25rem}
.source-register{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.source-register li{display:grid;grid-template-columns:200px 1fr auto;gap:16px;align-items:baseline;padding:12px 16px;background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-sm)}
.source-register small{color:var(--muted)}
.glossary{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;margin:24px 0}
.glossary div{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-md);padding:20px}
.glossary dt{font-family:var(--head);font-weight:600;font-size:1.1rem;margin-bottom:4px}
.glossary dd{margin:0}
.roles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin:24px 0}
.roles-grid article{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:28px}
.roles-grid h2{font-size:1.25rem}
.search-results{display:grid;gap:12px;margin:24px 0}
.search-results article{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-md);padding:20px 24px}
.search-results .badge{margin-bottom:8px}
.search-form{display:flex;gap:8px;max-width:640px}
.search-form input{flex:1;border-radius:var(--pill);padding-left:20px}

/* ---------- Photos ---------- */
.photo{margin:0 0 32px}
.photo img{border-radius:var(--r-lg);width:100%;aspect-ratio:3/2;object-fit:cover}
.photo figcaption{font-size:.9rem;color:var(--muted);margin-top:8px}
.hero-photo{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-photo .page-intro{text-align:left;margin:0}
.hero-photo .lede{margin:0}
.hero-photo .btn-row{justify-content:flex-start}
.hero-photo img{border-radius:var(--r-lg);width:100%;aspect-ratio:4/3;object-fit:cover;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.hide-demos .hero-photo img{display:none}
.hero-photo figure{margin:0}
.hero-photo figcaption{color:var(--dark-muted);font-size:.85rem;margin-top:8px}
@media(max-width:900px){.hero-photo{grid-template-columns:1fr}.hero-photo .page-intro{text-align:center}.hero-photo .btn-row{justify-content:center}}
.prose{max-width:760px}
.prose p,.prose li{font-size:1.125rem}
.prose h2{font-size:1.5rem;margin-top:40px}
.prose h3{font-size:1.2rem;margin-top:28px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.5em;font-size:1rem}
.prose th,.prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-family:var(--head);font-weight:600;background:var(--section)}

/* ---------- Trust strip ---------- */
.trust-strip{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:.95rem;margin:0 0 32px;padding:16px 0;border-bottom:1px solid var(--line)}

/* ---------- Vision labs ---------- */
.lab-nav{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 32px}
.lab-nav a{font-family:var(--head);font-weight:500;text-decoration:none;border:2px solid var(--text);color:var(--text);border-radius:var(--pill);padding:10px 18px}
.lab-nav a[aria-current=page]{background:var(--text);color:var(--bg)}
.lab-question{font-family:var(--head);font-size:1.35rem;font-weight:500;margin:0 0 24px}
.lab-workbench{display:grid;grid-template-columns:320px minmax(0,1fr);gap:24px;align-items:start;background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:24px;margin:24px 0}
.lab-controls{display:grid;gap:16px}
.lab-controls label{display:grid;gap:6px;font-family:var(--head);font-weight:500}
.lab-controls .check-label{display:flex}
.lab-controls>p{margin:0;font-family:var(--head);font-weight:500}
.lab-canvas{display:grid;gap:12px}
.diagram-caption{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted)}
.live-explanation{background:var(--section);border-radius:var(--r-md);padding:20px}
.live-explanation h3{font-size:1.15rem}
.lab-explanation{display:grid;grid-template-columns:1fr 2fr;gap:32px;margin:40px 0;padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lab-daily{background:var(--section);border-radius:var(--r-lg);padding:32px;margin:24px 0}
.lab-daily h2{font-size:1.4rem}
.next-chapter{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;margin:32px 0;font-family:var(--head);font-weight:500}
.lab-directory{display:grid;gap:0}
.lab-directory a{display:flex;align-items:center;gap:16px;padding:18px 8px;border-top:1px solid var(--line);text-decoration:none;color:inherit;font-family:var(--head);font-weight:500;font-size:1.1rem}
.lab-directory a:last-child{border-bottom:1px solid var(--line)}
.lab-directory a:hover strong{text-decoration:underline}
.lab-directory span{color:var(--muted);font-size:.95rem;width:28px}
.lab-directory b{margin-left:auto;color:var(--text)}
.lab-directory svg{width:20px;height:20px}
.optical svg{width:100%;background:var(--section);border-radius:var(--r-md)}
.optical text{font-family:var(--body);font-size:18px;fill:var(--text)}
.eye-fill{fill:var(--surface);stroke:var(--navy);stroke-width:3}
.cornea-line,.retina-line{fill:none;stroke:var(--dark);stroke-width:4}
.lens-shape{fill:var(--tint);stroke:var(--navy);stroke-width:2}
.nerve-line{stroke:var(--navy);stroke-width:5}
.correction-line{fill:none;stroke:var(--navy);stroke-width:3;stroke-dasharray:6 6}
:root[data-theme=dark] .optical text,:root[data-theme=contrast] .optical text{fill:#fff}
.detail-board{background:#fff;color:#1a073c;border-radius:var(--r-md);min-height:280px;display:grid;place-items:center;padding:24px;border:1px solid var(--tint)}
#detail-specimen{text-align:center}
#detail-specimen span{display:block;font-family:var(--head);font-weight:600;letter-spacing:.04em}
#detail-specimen strong{display:block;font-family:var(--head);font-size:1.6em;margin:.2em 0}
.lighting-stage{position:relative;background:#f4f1ea;color:#1a073c;border-radius:var(--r-md);padding:32px;overflow:hidden;min-height:300px;border:1px solid var(--tint)}
.light-document{position:relative;z-index:1;max-width:360px;margin:0 auto;background:#fff;padding:24px;border-radius:8px}
.light-document span{font-family:var(--head);font-weight:600;font-size:.85rem;letter-spacing:.04em}
.light-wash{position:absolute;inset:0;pointer-events:none}
.route-map svg{width:100%;background:#eef2e6;border-radius:var(--r-md);border:1px solid var(--tint)}
.depth-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.depth-pair h3{font-size:1rem;margin-bottom:6px}
.depth-pair svg{border-radius:var(--r-sm)}

/* ---------- Retina lab ---------- */
.retina-layout{display:grid;grid-template-columns:320px 1fr;gap:24px;align-items:start;background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:24px}
.retina-room img{border-radius:var(--r-md)}
.retina-room figcaption{margin-top:8px;font-size:.95rem;color:var(--muted)}
.retina-explanation{background:var(--section);border-radius:var(--r-md);padding:24px;margin:24px 0}

/* ---------- Explorer ---------- */
.condition-picker{display:grid;grid-template-columns:minmax(260px,1fr) 2fr;gap:24px;align-items:start;padding:24px;background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);margin:0 0 24px}
.condition-picker label{min-width:0;display:grid;gap:6px;font-family:var(--head);font-weight:500}
.light-jump{background:var(--section);border-radius:var(--r-sm);padding:12px 16px;margin:0 0 24px}
.explorer-workbench{display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}
.effect-menu{display:grid;gap:8px}
.effect-menu [role=group]{display:grid;gap:6px}
.effect-menu button{display:flex;align-items:center;gap:12px;font:inherit;text-align:left;border:2px solid var(--tint);background:var(--surface);color:var(--text);border-radius:var(--r-md);padding:12px 14px;cursor:pointer;min-height:56px}
.effect-menu button[aria-pressed=true]{border-color:var(--text);background:var(--accent);color:#111}
.effect-menu button[aria-pressed=true] small{color:#111}
:root[data-theme=dark] .effect-menu button[aria-pressed=true]{color:#111}
.effect-menu button span:last-of-type{display:grid;font-family:var(--head);font-weight:600;font-size:1rem}
.effect-menu small{font-family:var(--body);font-weight:400;color:var(--muted);font-size:.85rem}
.effect-orb{flex:none;width:26px;height:26px;border-radius:50%;background:var(--blue);display:inline-block;position:relative;overflow:hidden}
.effect-orb{background:var(--dark)}
.orb-hazy{filter:blur(2px)}
.orb-central::after{content:"";position:absolute;inset:8px;border-radius:50%;background:var(--accent)}
.orb-tunnel{background:radial-gradient(circle,var(--accent) 35%,var(--dark) 36%)}
.orb-distorted{border-radius:45% 55% 40% 60%/55% 40% 60% 45%}
.orb-patchy{background:radial-gradient(circle at 30% 30%,var(--accent) 18%,transparent 20%),radial-gradient(circle at 70% 65%,var(--accent) 20%,transparent 22%),var(--dark)}
.orb-glare{background:radial-gradient(circle at 40% 35%,#fff 15%,var(--dark) 60%)}
.orb-colour{background:linear-gradient(90deg,#c53643 33%,#39884a 33% 66%,#467cce 66%)}
.orb-double{box-shadow:6px 0 0 -2px var(--tint)}
.aside-note{font-size:.9rem;color:var(--muted)}
.mobile-effect{display:none}
.experience-console{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:20px}
.console-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.stage-labels{display:flex;justify-content:space-between;font-size:.9rem;color:var(--muted);margin-bottom:6px}
.compare-stage{position:relative;aspect-ratio:3/2;overflow:hidden;border-radius:var(--r-md);background:var(--section);touch-action:none;user-select:none;cursor:col-resize;border:1px solid var(--tint)}
.scene-content{position:absolute;inset:0}
.scene-content img{width:100%;height:100%;object-fit:cover}
.affected-clip{position:absolute;inset:0}
.affected-scene,.double-scene{position:absolute;inset:0;will-change:filter,transform}
.effect-overlay,.adapt-wash{position:absolute;inset:0;pointer-events:none}
.adapt-wash{background:#fff8dd;opacity:0}
.comparison-line{position:absolute;top:0;bottom:0;width:3px;background:#fff;transform:translateX(-50%);pointer-events:none;box-shadow:0 0 0 1px rgba(0,0,0,.2)}
.comparison-line span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;background:var(--accent);color:#111;display:grid;place-items:center;font-size:1.2rem;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.position-dot{position:absolute;width:14px;height:14px;border-radius:50%;background:var(--accent);border:3px solid #111;transform:translate(-50%,-50%);pointer-events:none}
.reading-paper{position:absolute;inset:0;background:#fff;color:#1a073c;padding:7% 8%;display:grid;align-content:start;gap:4%;font-size:clamp(.8rem,1.6vw,1.1rem)}
.reading-paper.enlarged{font-size:clamp(1.1rem,2.4vw,1.7rem)}
.paper-rule{font-family:var(--head);font-weight:600;font-size:.8em;letter-spacing:.06em}
.reading-paper h3{font-size:2.2em;line-height:1;margin:0}
.paper-grid{display:grid;grid-template-columns:1fr 1fr;gap:6%}
.paper-grid span{font-size:.8em;color:#3b2f58}
.paper-grid strong{display:block;font-family:var(--head);font-size:1.3em}
.paper-grid b{display:block;font-family:var(--head);font-size:2.4em;line-height:1}
.paper-caption{font-size:.7em;color:#3b2f58;align-self:end}
.console-controls{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:16px}
.temporal-layout.has-adaptation{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:24px;align-items:start}
.temporal-layout.has-adaptation .stage-frame{position:sticky;top:110px}
.explorer-learning{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;margin:40px 0;padding:40px 0;border-top:1px solid var(--line)}
.insight-tabs{margin-top:16px}
.insight-copy{font-size:1.125rem}
.related-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:12px}
.specific-limit{background:var(--section);border-left:6px solid var(--accent);border-radius:0 var(--r-md) var(--r-md) 0;padding:24px;margin:0 0 24px}
.specific-limit strong{font-family:var(--head);display:block;margin-bottom:6px}
.explorer-daily{margin:40px 0;padding-top:40px;border-top:1px solid var(--line)}
.share-view{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px}
.light-controls{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:24px;display:grid;gap:16px}
.light-heading{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}
.light-heading h2{font-size:1.4rem;margin:0}
.light-directions{display:flex;gap:8px;flex-wrap:wrap}
.light-directions button,.light-playback button{font:inherit;font-family:var(--head);font-weight:500;border:2px solid var(--text);background:var(--surface);color:var(--text);border-radius:var(--pill);padding:10px 18px;cursor:pointer;min-height:44px}
.light-directions button[aria-pressed=true]{background:var(--text);color:var(--bg)}
.light-timeline label{display:flex;justify-content:space-between;font-family:var(--head);font-weight:500}
.timeline-labels{display:flex;justify-content:space-between;font-size:.85rem;color:var(--muted)}
.light-playback{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.light-playback label{display:inline-flex;gap:8px;align-items:center;font-family:var(--head);font-weight:500}
.light-status{background:var(--section);border-radius:var(--r-sm);padding:12px 16px;font-size:.95rem}
.adapt-reading{padding:16px 0}
.adapt-reading h2{font-size:1.3rem}

/* ---------- Colour studio & gallery ---------- */
.colour-studio{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:24px;margin:0 0 32px}
.colour-controls{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;align-items:end;margin-bottom:16px}
.colour-controls label{min-width:0;display:grid;gap:6px;font-family:var(--head);font-weight:500}
.colour-controls .check-label{display:flex}
.colour-controls>p{grid-column:1/-1;margin:0;font-size:.95rem;color:var(--muted)}
.colour-comparison{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.colour-comparison h2{font-size:1.1rem}
.colour-board{background:#fff;color:#1a073c;border:1px solid var(--tint);border-radius:var(--r-md);padding:16px}
.colour-board-heading{font-family:var(--head);font-weight:600;margin-bottom:8px}
.journey-row{display:grid;grid-template-columns:28px 1fr 22px auto;gap:12px;align-items:center;padding:8px 0;border-top:1px solid #eaf4ff}
.journey-row span{font-family:var(--head);font-weight:600}
.journey-row i{display:block;width:22px;height:22px;border-radius:50%}
.colour-swatches{display:flex;gap:6px;margin:12px 0}
.colour-swatches span{flex:1;height:22px;border-radius:4px}
.colour-board p{font-size:.9rem;color:#3b2f58;margin:0}
.colour-takeaway{background:var(--section);border-radius:var(--r-md);padding:20px;margin-top:16px}
.colour-takeaway h3{font-size:1.1rem}
.colour-type-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.colour-type-grid article{background:var(--surface);border:1px solid var(--tint);border-radius:var(--r-lg);padding:28px}
.illustration-story{display:grid;grid-template-columns:1fr 1.3fr;gap:32px;align-items:center;padding:40px 0;border-top:1px solid var(--line)}
.reference-room img{border-radius:var(--r-lg)}
.reference-room figcaption{margin-top:8px;color:var(--muted)}

/* ---------- Hidden demos ---------- */
.hidden-demo-note{display:none;background:var(--section);border-radius:var(--r-sm);padding:12px 16px}
.hide-demos .visual-demo{display:none!important}
.hide-demos .hidden-demo-note{display:block}
.hide-demos .hero-art,.hide-demos .reference-room,.hide-demos .concept-art{display:none}

/* ---------- Reference interface ---------- */
:root[data-interface=reference] .hero{background:var(--bg);color:var(--text);margin:0;border-radius:0;padding:40px 0 16px}
:root[data-interface=reference] .hero::before,:root[data-interface=reference] .hero::after{display:none}
:root[data-interface=reference] .hero h1,:root[data-interface=reference] .hero a,:root[data-interface=reference] .hero .lede,:root[data-interface=reference] .hero .meta,:root[data-interface=reference] .breadcrumb,:root[data-interface=reference] .breadcrumb a{color:var(--text)}
:root[data-interface=reference] .hero .page-intro{text-align:left;margin:0;max-width:760px}
:root[data-interface=reference] .hero .meta,:root[data-interface=reference] .hero .btn-row{justify-content:flex-start}
:root[data-interface=reference] .hero .btn{border-color:var(--text);color:var(--text)}
:root[data-interface=reference] .hero .btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
:root[data-interface=reference] .home-hero-grid{grid-template-columns:1fr}
:root[data-interface=reference] .hero-art{display:none}
:root[data-interface=reference] .dark-section{background:var(--section);color:var(--text);margin:0;border-radius:0}
:root[data-interface=reference] .dark-section a{color:var(--link)}
:root[data-interface=reference] .dark-section .btn{border-color:var(--text);color:var(--text)}
:root[data-interface=reference] .alert-banner{display:none}
:root[data-interface=reference] .section{padding:48px 0}
:root[data-interface=reference] .dark-section{padding:48px 0}
:root[data-interface=reference] .section-head{margin-bottom:32px}
:root[data-interface=reference] .page-body.tinted{background:var(--bg);margin:0;border-radius:0}

/* ---------- Print ---------- */
@media print{
 .site-header,.interface-bar,.alert-banner,.site-footer,.guide-tools,.reader-button,.btn,.skip,dialog,.effect-menu,.console-controls,.light-controls{display:none!important}
 .hero{background:none;color:#000;padding:0;margin:0}
 .hero::before,.hero::after{display:none}
 .hero h1,.hero a,.hero .lede,.hero .meta,.breadcrumb a{color:#000}
 .guide-layout{display:block}
 .guide-index{position:static;display:none}
 a::after{content:" (" attr(href) ")";font-size:.8em}
 a[href^="#"]::after,a[href^="/"]::after{content:""}
 body{color:#000;background:#fff}
}

/* ---------- Motion ---------- */
@media(prefers-reduced-motion:reduce){
 html{scroll-behavior:auto}
 *,*::before,*::after{transition:none!important;animation:none!important}
}

/* ---------- Responsive ---------- */
@media(max-width:1150px){
 :root{--section-pad:80px}
 .site-nav a{padding:12px 8px;font-size:.95rem}
 .site-search input{width:120px}
 .guide-layout{grid-template-columns:240px 1fr;gap:32px}
 .explorer-workbench{grid-template-columns:220px 1fr}
 .temporal-layout.has-adaptation{grid-template-columns:1fr}
 .temporal-layout.has-adaptation .stage-frame{position:static}
 .card-grid.four{grid-template-columns:repeat(2,1fr)}
 .card-grid.three{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
 .lab-workbench,.retina-layout{grid-template-columns:1fr}
 .site-nav a{padding:12px 12px}
}
@media(max-width:900px){
 :root{--section-pad:64px}
 .site-header .container{flex-wrap:wrap;min-height:72px;padding-top:8px;padding-bottom:8px}
 .menu-toggle{display:inline-flex;margin-left:auto}
 .site-nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;padding:8px 0 16px;border-top:1px solid var(--line);margin:0}
 .site-nav.open{display:flex}
 .site-nav a{padding:14px 8px;border-radius:0}
 .site-search{width:100%;order:3}
 .site-search input{width:100%}
 .reader-button{order:2}
 .home-hero-grid{grid-template-columns:1fr}
 .home-hero-grid .page-intro{text-align:center}
 .home-hero-grid .btn-row{justify-content:center}
 .guide-layout{grid-template-columns:1fr}
 .guide-index{position:static}
 .explorer-workbench{grid-template-columns:1fr}
 .effect-menu [role=group]{display:none}
 .mobile-effect{display:grid;gap:6px;font-family:var(--head);font-weight:500}
 .console-controls,.explorer-learning,.lab-explanation,.colour-comparison,.colour-controls,.compare-guides,.compare-selectors,.urgent-grid,.nation-layout,.living-layout,.oxford-intro,.illustration-story,.condition-picker,.daily-cards article,.depth-pair{grid-template-columns:1fr}
 .appointment-box{position:static}
 .toolbar{grid-template-columns:1fr}
 .section-head{flex-direction:column;align-items:flex-start;margin-bottom:40px}
 .site-footer .top{grid-template-columns:1fr}
 .site-footer .cols{grid-template-columns:1fr 1fr}
 .source-register li{grid-template-columns:1fr}
 .hero{padding:48px 0 96px}
 .hero.home{padding:72px 0 96px}
 .breadcrumb{margin-bottom:32px}
 .settings-grid{grid-template-columns:1fr}
 .interface-bar{justify-content:center}
}
@media(max-width:600px){
 :root{--gutter:16px}
 .hero,.dark-section,.site-footer,.section.tinted.rounded,.page-body.tinted{margin-left:4px;margin-right:4px}
 .hero{border-radius:var(--r-md) var(--r-md) 0 0}
 .dark-section,.section.tinted.rounded{border-radius:var(--r-lg)}
 .card,.card.column,.service-card,.area-card,.support-paths a,.atlas-card,.compare-guides article,.policy-grid article,.editorial-columns article,.support-article,.emergency-panel,.triage-box{padding:24px 20px}
 .btn{padding:16px 24px}
 .carousel{grid-auto-columns:85%}
 .site-footer .cols{grid-template-columns:1fr}
 .card-grid.four{grid-template-columns:1fr}
 .library-cards.as-list .card{flex-direction:column}
 dialog{padding:24px}
 .reading-paper{padding:6%}
 .hero .meta{flex-direction:column;gap:4px}
 .hero .meta span+span::before{display:none}
}
@media(max-width:360px){
 .btn{width:100%;justify-content:center}
 .button-group{display:grid;grid-template-columns:1fr}
}
.large-text .guide-layout,.large-text .explorer-workbench,.large-text .lab-workbench,.large-text .retina-layout,.large-text .home-hero-grid{grid-template-columns:1fr}
.large-text .guide-index{position:static}
.large-text .effect-menu [role=group]{display:none}
.large-text .mobile-effect{display:grid}
.large-text .temporal-layout.has-adaptation{grid-template-columns:1fr}
.large-text .temporal-layout.has-adaptation .stage-frame{position:static}