/* Mainstay portfolio, mobile first. System notes: docs/ui-rework-2026-09-23/SYSTEM.md.
   Brand values come from tokens.css; every --ms-* variable there stays unchanged. */

@font-face{font-family:"MS Display";src:url("fonts/CormorantGaramond-Variable.woff2") format("woff2"),url("fonts/CormorantGaramond-Variable.ttf") format("truetype");font-weight:300 700;font-style:normal;font-display:swap}
@font-face{font-family:"MS Text";src:url("fonts/Geist-Variable.woff2") format("woff2"),url("fonts/Geist-Variable.ttf") format("truetype");font-weight:100 900;font-style:normal;font-display:swap}

:root{
  --bg:var(--ms-charcoal);--well:var(--ms-charcoal-deep);--raise:var(--ms-charcoal-2);
  --text:var(--ms-ivory);--muted:var(--ms-muted-dark);--line:var(--ms-line);
  --accent:var(--ms-copper-light);--accent-ink:var(--ms-charcoal);--paper:var(--ms-stone);--paper-ink:var(--ms-charcoal);
  --display:"MS Display","Cormorant Garamond",Georgia,serif;--sans:"MS Text",Geist,system-ui,-apple-system,sans-serif;
  --t-hero:clamp(46px,12vw,112px);--t-h2:clamp(36px,8.4vw,68px);--t-h3:clamp(26px,6.2vw,36px);
  --t-lead:clamp(18px,4.6vw,22px);--t-body:16px;--t-small:15px;--t-label:13px;
  --gutter:20px;--max:1320px;--section:clamp(80px,16vw,168px);
  --ease-out:cubic-bezier(.22,1,.36,1);--fast:180ms;--mid:320ms;--slow:560ms;
  --bar-h:60px;
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#F4F0E8;--well:#E9E3D8;--raise:#FFFDF8;--text:#262725;--muted:#55584F;--line:#C8BDB0;
  --accent:#8A4E32;--accent-ink:#FFFDF8;--paper:#262725;--paper-ink:#F4F0E8;color-scheme:light;
}
@media (min-width:700px){:root{--gutter:32px}}
@media (min-width:900px){:root{--t-body:17px;--bar-h:72px}}
@media (min-width:1100px){:root{--gutter:56px}}

*,*::before,*::after{box-sizing:border-box}
html{font-feature-settings:"lnum" 1;-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:calc(var(--bar-h) + 12px);interpolate-size:allow-keywords}
html[data-motion="on"]{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:400 var(--t-body)/1.65 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
img,video,iframe,svg{display:block;max-width:100%}
a{color:inherit;text-underline-offset:.22em;text-decoration-thickness:1px}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4,p,ol,ul,figure,dl,dd{margin:0}
h1,h2,h3{font-family:var(--display);font-weight:400;letter-spacing:-.02em;text-wrap:balance}
.panel-num,.step .n,.test li::before,.menu-links a::before,.case h2,.card h3,.step-btn span,.case-kicker,.reader-count{font-variant-numeric:lining-nums}
p{text-wrap:pretty}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}

.wrap{width:min(100% - 2*var(--gutter),var(--max));margin-inline:auto}
.eyebrow{font:500 var(--t-label)/1.4 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.small{font-size:var(--t-small);line-height:1.55;color:var(--muted)}
.skip{position:fixed;left:12px;top:-80px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:12px 16px;text-decoration:none;font-weight:500;border-radius:4px}
.skip:focus{top:12px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}

/* Buttons and chips */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 22px;border:1px solid var(--accent);border-radius:var(--ms-radius);background:var(--accent);color:var(--accent-ink);font:500 15px/1 var(--sans);text-decoration:none;transition:transform var(--fast) var(--ease-out),background var(--fast),color var(--fast)}
.btn:active{transform:scale(.97)}
.btn.ghost{background:transparent;color:var(--accent)}
@media (hover:hover){.btn:hover{background:transparent;color:var(--accent)}.btn.ghost:hover{background:var(--accent);color:var(--accent-ink)}}
.btn .arrow{transition:transform var(--mid) var(--ease-out)}
.btn:hover .arrow{transform:translateY(3px)}
.chip{display:inline-flex;align-items:center;gap:7px;min-height:30px;padding:4px 10px;border:1px solid var(--line);border-radius:var(--ms-radius);font:500 var(--t-label)/1.35 var(--sans);letter-spacing:.02em;color:var(--muted)}
.chip.status{border-color:color-mix(in srgb,var(--accent) 55%,transparent);color:var(--accent)}
.chip svg{width:12px;height:12px;flex:none}
.textlink{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--accent);font-weight:500;text-decoration:none;border-bottom:1px solid transparent}
.textlink:hover{border-bottom-color:currentColor}

/* Top bar */
.bar{position:sticky;top:0;z-index:40;height:var(--bar-h);display:flex;align-items:center;gap:20px;padding:0 var(--gutter);background:color-mix(in srgb,var(--bg) 82%,transparent);-webkit-backdrop-filter:blur(16px) saturate(1.3);backdrop-filter:blur(16px) saturate(1.3);border-bottom:1px solid color-mix(in srgb,var(--line) 60%,transparent);transition:translate var(--mid) var(--ease-out)}
.bar.away{translate:0 -100%}
.bar-brand{display:flex;align-items:center;min-height:44px;margin-right:auto}
.bar-brand img{width:128px;height:auto}
html[data-theme="light"] .bar-brand img,html[data-theme="light"] .foot-brand img,html[data-theme="light"] .menu-top img{filter:brightness(0)}
.bar-nav{display:none}
.bar-menu{display:inline-flex;align-items:center;gap:10px;min-height:44px;min-width:44px;padding:0 4px 0 12px;border:0;background:none;font:500 15px/1 var(--sans)}
.bar-menu .lines{display:grid;gap:5px;width:22px}
.bar-menu .lines i{display:block;height:1.5px;background:currentColor;border-radius:1px}
.bar-menu .lines i:last-child{width:14px;justify-self:end}
.bar-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--accent);transform-origin:0 50%;transform:scaleX(var(--progress,0))}
@media (min-width:1000px){
  .bar-brand img{width:150px}
  .bar-nav{display:flex;gap:4px}
  .bar-nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;font-size:15px;color:var(--muted);text-decoration:none;border-radius:var(--ms-radius);transition:color var(--fast)}
  .bar-nav a:hover{color:var(--text)}
  .bar-menu .word{display:none}
}

/* Menu sheet */
dialog{padding:0;border:0;color:var(--text);background:var(--bg);max-width:none;max-height:none}
dialog::backdrop{background:rgb(10 10 9 / .6);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.menu{width:100%;height:100%;inset:0;margin:0;display:none;flex-direction:column;padding:0 var(--gutter) max(24px,env(safe-area-inset-bottom))}
.menu[open]{display:flex}
.menu-top{display:flex;align-items:center;justify-content:space-between;height:var(--bar-h)}
.menu-top img{width:128px}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:44px;min-width:44px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:none;font:500 15px/1 var(--sans)}
.icon-btn svg{width:14px;height:14px}
.menu nav{margin-bottom:auto}
.menu-links{list-style:none;padding:0;margin:clamp(24px,6svh,64px) 0 24px;counter-reset:m}
.menu-links a{display:flex;align-items:baseline;gap:16px;padding:10px 0;font:400 clamp(34px,9vw,56px)/1.1 var(--display);letter-spacing:-.02em;text-decoration:none}
.menu-links a::before{counter-increment:m;content:"0" counter(m);font:500 var(--t-label)/1 var(--sans);letter-spacing:.1em;color:var(--accent);translate:0 -.9em}
.menu-settings{display:grid;gap:14px;padding:24px 0;border-top:1px solid var(--line)}
.setting{display:flex;align-items:center;justify-content:space-between;gap:16px}
.setting > span{font-size:var(--t-small);color:var(--muted)}
.toggle{display:inline-grid;grid-auto-flow:column;grid-auto-columns:1fr;padding:3px;border:1px solid var(--line);border-radius:999px}
.toggle button{min-height:38px;min-width:72px;padding:0 14px;border:0;border-radius:999px;background:none;font-size:14px;color:var(--muted);transition:background var(--fast),color var(--fast)}
.toggle button[aria-pressed="true"]{background:var(--text);color:var(--bg)}
.toggle button:disabled{opacity:.45;cursor:not-allowed}
.menu .btn{width:100%;margin-top:8px}
@media (prefers-reduced-motion:no-preference){
  html[data-motion="on"] .menu[open]{animation:sheet-in var(--slow) var(--ease-out)}
  html[data-motion="on"] .menu[open] .menu-links li{animation:rise var(--slow) var(--ease-out) both;animation-delay:calc(60ms + var(--i,0) * 45ms)}
}

/* Hero */
.hero{position:relative;min-height:calc(100svh - var(--bar-h));display:grid;grid-template-columns:minmax(0,1fr);align-content:end;padding:40px 0 28px;overflow:clip;isolation:isolate}
.hero-mark{position:absolute;z-index:-1;right:-34%;top:2%;width:min(112vw,780px);height:auto;pointer-events:none;-webkit-mask-image:linear-gradient(to bottom,#000 12%,transparent 46%);mask-image:linear-gradient(to bottom,#000 12%,transparent 46%)}
.hero-mark path{fill:none;stroke:color-mix(in srgb,var(--accent) 34%,transparent);stroke-width:1.2;vector-effect:non-scaling-stroke}
.hero-mark .arm{stroke:var(--accent);stroke-width:1.6}
.hero h1{font-size:var(--t-hero);line-height:.98;letter-spacing:-.035em;margin-bottom:28px}
.hero h1 em{display:block;font-style:italic;color:var(--accent)}
.hero .w{display:inline-block;overflow:clip;vertical-align:top;padding:0 .14em .1em 0;margin:0 -.14em -.1em 0}
.hero .w > span{display:inline-block}
.hero .lead{font-size:var(--t-lead);line-height:1.5;color:var(--muted);max-width:34ch;margin-bottom:32px}
.hero-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.scroll-cue{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.scroll-cue i{display:block;width:1px;height:36px;background:linear-gradient(var(--accent),transparent);transform-origin:top}
.intro{padding:12px 0 var(--section)}
.intro-inner{display:grid;gap:20px;padding-left:22px;border-left:1px solid var(--accent);max-width:720px}
.intro p{font-size:clamp(17px,4.4vw,21px);line-height:1.6;color:var(--muted)}
.intro p:first-child{color:var(--text)}
@media (min-width:900px){
  .hero{padding:80px 0 56px}
  .hero-mark{-webkit-mask-image:linear-gradient(to left,#000 30%,transparent 75%);mask-image:linear-gradient(to left,#000 30%,transparent 75%)}
  .hero-mark{right:-6%;top:6%;width:min(62vw,860px)}
  .hero .lead{max-width:40ch}
  .intro .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px}
  .intro-inner{grid-column:2}
}
@media (prefers-reduced-motion:no-preference){
  html[data-motion="on"] .hero-mark path{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 2.6s var(--ease-out) forwards;animation-delay:calc(.25s + var(--i,0) * .18s)}
  html[data-motion="on"] .hero .w > span{animation:word-up .95s var(--ease-out) both;animation-delay:calc(.08s + var(--i,0) * 55ms)}
  html[data-motion="on"] .hero .lead,html[data-motion="on"] .hero-actions,html[data-motion="on"] .hero .eyebrow{animation:rise .9s var(--ease-out) both;animation-delay:.75s}
  html[data-motion="on"] .scroll-cue i{animation:cue 2.2s ease-in-out infinite}
}

.hero-strip{margin-top:40px}
.hero-strip .eyebrow{color:var(--muted);margin-bottom:12px}
.hero-strip ol{list-style:none;padding:0 var(--gutter) 8px 0;margin:0 calc(-1 * var(--gutter)) 0 0;display:flex;gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:0;scrollbar-width:none;overscroll-behavior-x:contain}
.hero-strip ol::-webkit-scrollbar{display:none}
.hero-strip li{flex:0 0 clamp(128px,38vw,150px);scroll-snap-align:start}
.hero-strip a{display:grid;gap:8px;text-decoration:none;border-radius:4px}
.hero-strip img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:4px;background:var(--well);transition:scale var(--mid) var(--ease-out),filter var(--mid)}
.hero-strip span{font-size:13px;line-height:1.3;color:var(--muted)}
.hero-strip b{font-weight:500;color:var(--accent)}
@media (hover:hover){.hero-strip a:hover img{scale:1.04}.hero-strip a:hover span{color:var(--text)}}
@media (min-width:1100px){.hero-strip ol{margin:0;padding:0;overflow:visible;display:grid;grid-template-columns:repeat(9,1fr);gap:12px}.hero-strip li{flex:none}}
@media (prefers-reduced-motion:no-preference){
  html[data-motion="on"] .hero-strip li{animation:rise .8s var(--ease-out) both;animation-delay:calc(.95s + var(--i,0) * 60ms)}
}

/* Section scaffolding */
.block{padding:var(--section) 0 0}
.block-head{margin-bottom:clamp(32px,7vw,64px);max-width:860px}
.block-head h2{font-size:var(--t-h2);line-height:1.04}
.block-head .small{margin-top:20px;max-width:560px}

/* Where to start */
.ways h2.eyebrow{font:500 var(--t-label)/1.4 var(--sans);letter-spacing:.14em}
.seg{position:relative;display:grid;grid-template-columns:1fr 1fr;padding:4px;border:1px solid var(--line);border-radius:14px;margin-bottom:28px;isolation:isolate}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg label{position:relative;z-index:1;display:flex;align-items:center;justify-content:center;min-height:56px;padding:8px 12px;text-align:center;font:500 15px/1.25 var(--sans);color:var(--muted);border-radius:10px;cursor:pointer;transition:color var(--mid) var(--ease-out)}
.seg::before{content:"";position:absolute;z-index:0;top:4px;bottom:4px;left:4px;width:calc(50% - 4px);border-radius:10px;background:var(--raise);box-shadow:inset 0 0 0 1px var(--line);transition:translate var(--mid) var(--ease-out)}
.seg:has(#ways-2:checked)::before{translate:100% 0}
.seg:has(#ways-1:checked) label[for="ways-1"],.seg:has(#ways-2:checked) label[for="ways-2"]{color:var(--text)}
.seg:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:3px}
.panels{display:grid}
.panel{grid-area:1/1;display:grid;gap:18px;align-content:start;padding:28px 22px;background:var(--raise);border-radius:6px;border:1px solid color-mix(in srgb,var(--line) 70%,transparent)}
.panel-num{font:400 44px/1 var(--display);color:var(--accent)}
.panel h3{font-size:var(--t-h3);line-height:1.1}
.panel p{color:var(--muted)}
.panel .scenario{position:relative;padding-left:18px}
.panel .scenario::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--accent)}
.ways:has(#ways-1:checked) .panel[data-panel="2"],.ways:has(#ways-2:checked) .panel[data-panel="1"]{visibility:hidden;opacity:0;translate:0 8px;pointer-events:none}
.panel{transition:opacity var(--mid) var(--ease-out),translate var(--mid) var(--ease-out),visibility var(--mid)}
.panel .panel-head{display:none}
.ways-note{margin-top:28px;max-width:720px}
@media (min-width:900px){
  .seg{display:none}
  .panels{grid-template-columns:1fr 1fr;gap:24px}
  .panel{grid-area:auto;padding:40px}
  .ways:has(#ways-1:checked) .panel[data-panel="2"],.ways:has(#ways-2:checked) .panel[data-panel="1"]{visibility:visible;opacity:1;translate:none;pointer-events:auto}
  .panel .panel-head{display:block}
}

/* Showcase */
.stage{position:relative;display:grid;gap:0;padding:28px 18px 0;margin-top:8px;border-radius:6px;overflow:clip;background:var(--ms-stone);isolation:isolate}
.stage a{position:relative;display:block;text-decoration:none;border-radius:4px;overflow:hidden;background:var(--ms-charcoal);box-shadow:0 24px 50px rgb(30 32 29 / .26),0 2px 6px rgb(30 32 29 / .2);transition:scale var(--mid) var(--ease-out)}
.stage a:active{scale:.98}
.stage img{width:100%;height:auto}
.stage a span{display:flex;justify-content:space-between;gap:12px;padding:12px 14px;background:var(--ms-charcoal);color:var(--ms-ivory);font-size:14px}
.stage a span::after{content:"\2197";color:var(--ms-copper-light)}
.stage .shot-a{width:94%;rotate:-2.5deg;z-index:1}
.stage .shot-b{width:84%;justify-self:end;margin-top:-18px;rotate:2.5deg;z-index:2}
.stage-index{position:relative;z-index:3;display:flex;flex-wrap:wrap;justify-content:space-between;gap:4px 14px;margin:28px -18px 0;padding:12px 16px;background:var(--ms-copper-deep);color:var(--ms-white);font:500 12px/1.5 var(--sans);letter-spacing:.12em;text-transform:uppercase}
.showcase .small{margin-top:20px;max-width:620px}
@media (min-width:700px){
  .stage{display:block;height:clamp(460px,62vw,620px);padding:0}
  .stage a{position:absolute}
  .stage .shot-a{width:60%;left:4%;top:9%;rotate:-4deg}
  .stage .shot-b{width:44%;right:5%;top:20%;margin:0;rotate:4deg}
  .stage-index{position:absolute;left:0;right:0;bottom:0;margin:0;padding:14px 24px}
}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    html[data-motion="on"] .stage .shot-a{animation:fan-a linear both;animation-timeline:view();animation-range:entry 0% cover 45%}
    html[data-motion="on"] .stage .shot-b{animation:fan-b linear both;animation-timeline:view();animation-range:entry 0% cover 45%}
  }
}

/* Approach */
.approach .wrap{display:grid;gap:44px}
.approach h2{font-size:var(--t-h2);line-height:1.04;margin-bottom:28px}
.quote{position:relative;font:italic 400 clamp(30px,7.6vw,46px)/1.18 var(--display);letter-spacing:-.015em;color:var(--text);margin-bottom:28px}
.quote{text-indent:-.36em;border-left:1px solid var(--accent);padding:4px 0 4px 22px}
.approach-copy p:not(.quote):not(.eyebrow){color:var(--muted);margin-bottom:16px;max-width:60ch}
.test{background:var(--paper);color:var(--paper-ink);border-radius:6px;padding:30px 22px 28px}
.test .eyebrow{color:#6F3D27}
html[data-theme="light"] .test .eyebrow{color:var(--ms-copper-light)}
.test h3{font-size:var(--t-h3);line-height:1.1;margin-bottom:22px}
.test ol{list-style:none;padding:0;counter-reset:t}
.test li{position:relative;display:grid;grid-template-columns:44px 1fr;gap:4px 12px;padding:16px 0;border-top:1px solid color-mix(in srgb,var(--paper-ink) 18%,transparent)}
.test li::before{counter-increment:t;content:counter(t);grid-row:span 2;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid color-mix(in srgb,var(--paper-ink) 35%,transparent);font:400 20px/1 var(--display)}
.test li strong{font-weight:500}
.test li span{color:color-mix(in srgb,var(--paper-ink) 78%,transparent)}
.test .verdict{margin-top:10px;padding-top:18px;border-top:1px solid color-mix(in srgb,var(--paper-ink) 18%,transparent);font:italic 400 22px/1.3 var(--display)}
@media (min-width:900px){.approach .wrap{grid-template-columns:1.1fr 1fr;gap:72px;align-items:start}.test{padding:40px;position:sticky;top:calc(var(--bar-h) + 24px)}}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    html[data-motion="on"] .test li::before{animation:fill-num linear both;animation-timeline:view();animation-range:entry 60% contain 20%}
  }
}

/* Examples: cards */
.cards{list-style:none;padding:0;display:grid;gap:10px}
.card{position:relative;display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;padding:12px;border-radius:6px;background:var(--raise);border:1px solid color-mix(in srgb,var(--line) 55%,transparent);text-decoration:none;transition:border-color var(--fast),transform var(--mid) var(--ease-out)}
.card:active{transform:scale(.985)}
.card-media{position:relative;aspect-ratio:4/3;border-radius:4px;overflow:hidden;background:var(--well)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:scale var(--slow) var(--ease-out)}
.card-num{position:absolute;left:6px;top:6px;padding:2px 6px;border-radius:3px;background:rgb(30 32 29 / .82);color:var(--ms-ivory);font:500 12px/1.4 var(--sans);letter-spacing:.06em}
.card-body{display:grid;gap:6px;min-width:0}
.card h3{font-size:21px;line-height:1.14;letter-spacing:-.01em}
.card-label{font-size:14px;line-height:1.35;color:var(--muted)}
.card .chip{justify-self:start;min-height:24px;padding:2px 8px;font-size:12px}
.card-go{display:none}
@media (hover:hover){.card:hover{border-color:var(--accent)}.card:hover .card-media img{scale:1.05}}
@media (min-width:700px){
  .cards{grid-template-columns:1fr 1fr;gap:16px}
  .card{grid-template-columns:1fr;align-items:start;gap:16px;padding:12px 12px 20px}
  .card-body{padding:0 6px;gap:8px}
  .card h3{font-size:26px}
  .card-num{left:10px;top:10px;font-size:13px}
}
@media (min-width:1100px){.cards{grid-template-columns:repeat(3,1fr);gap:20px}.card h3{font-size:28px}}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    html[data-motion="on"] .card{animation:card-in linear both;animation-timeline:view();animation-range:entry 0% entry 70%}
    html[data-motion="on"] .card-media img{animation:drift linear both;animation-timeline:view();animation-range:cover}
  }
}

/* Case library (no script) and case reader */
.library{margin-top:48px;display:grid;gap:56px}
html.js .library{display:none}
.case{display:grid;gap:24px}
.case-head{display:grid;gap:10px}
.case-kicker{display:flex;align-items:center;gap:12px;font:500 var(--t-label)/1.4 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--accent)}
.case-kicker .n{color:var(--muted)}
.case h2{font-size:clamp(32px,8vw,52px);line-height:1.04}
.case .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}
.media{background:var(--well);border:1px solid color-mix(in srgb,var(--line) 70%,transparent);border-radius:6px;overflow:hidden}
.media-top{display:flex;justify-content:space-between;gap:12px;padding:11px 14px;border-bottom:1px solid color-mix(in srgb,var(--line) 70%,transparent);font:500 12px/1.4 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.media-top span:last-child{color:var(--muted);white-space:nowrap}
.stage-frame{position:relative;background:#141513}
.stage-frame video{width:100%;aspect-ratio:4/3;object-fit:contain;background:#141513}
.stage-frame.wide video{aspect-ratio:16/9}
.play{position:absolute;inset:0;display:grid;place-items:center;border:0;background:linear-gradient(to top,rgb(20 21 19 / .55),transparent 55%);color:var(--ms-ivory);transition:opacity var(--mid) var(--ease-out)}
.play .disc{display:grid;place-items:center;width:76px;height:76px;border-radius:50%;background:var(--ms-copper-light);color:var(--ms-charcoal);box-shadow:0 12px 40px rgb(0 0 0 / .45);transition:scale var(--mid) var(--ease-out)}
.play .disc svg{width:26px;height:26px;margin-left:4px}
.play:hover .disc{scale:1.06}
.play .play-label{position:absolute;left:16px;bottom:14px;font:500 14px/1.3 var(--sans);text-align:left;max-width:70%}
.stage-frame.playing .play{opacity:0;pointer-events:none}
.demo-poster{position:relative}
.demo-poster img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.55}
.demo-poster .demo-actions{position:absolute;inset:auto 0 0 0;display:flex;flex-wrap:wrap;gap:10px;padding:16px;background:linear-gradient(to top,rgb(20 21 19 / .92),transparent)}
.demo-poster .btn{min-height:44px}
.demo-poster .btn.ghost{background:rgb(20 21 19 / .6);color:var(--ms-copper-light);border-color:var(--ms-copper-light)}
iframe.demo{width:100%;height:min(80svh,760px);border:0;background:var(--ms-charcoal)}
.stage-frame.live .demo-poster{display:none}
.stage-frame:not(.live) iframe.demo{display:none}
.media figcaption{display:grid;gap:6px;padding:16px}
.media figcaption > p{font-size:var(--t-small);line-height:1.55;color:var(--muted)}
.transcript summary{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;list-style:none;font-size:var(--t-small);font-weight:500}
.transcript summary::-webkit-details-marker{display:none}
.transcript summary::before{content:"+";display:grid;place-items:center;width:22px;height:22px;border:1px solid var(--line);border-radius:50%;font-size:15px;line-height:1;transition:rotate var(--mid) var(--ease-out)}
.transcript[open] summary::before{rotate:45deg}
.transcript p{font-size:var(--t-small);line-height:1.65;color:var(--muted);padding:4px 0 10px}
.transcript::details-content{block-size:0;overflow:clip;transition:block-size var(--mid) var(--ease-out),content-visibility var(--mid) allow-discrete}
.transcript[open]::details-content{block-size:auto}
.facts{display:grid;gap:22px}
.fact h3{font:500 var(--t-label)/1.4 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}
.fact p{color:var(--muted)}
.fact:first-child p,.fact:last-child p{color:var(--text)}
.extra{display:grid;gap:10px;padding:20px;border:1px solid var(--line);border-radius:6px}
.extra h3{font:400 24px/1.2 var(--display)}
.extra h3 .kicker{margin-left:.4em;font:500 12px/1 var(--sans);letter-spacing:.1em;color:var(--accent);vertical-align:middle}
.extra p{font-size:var(--t-small);color:var(--muted)}
.extra img{width:100%;height:auto;border-radius:4px}

.reader{width:100%;height:100%;margin:0;inset:0;display:none;flex-direction:column;background:var(--bg);overscroll-behavior:contain}
.reader[open]{display:flex}
.reader-bar{flex:none;display:flex;align-items:center;justify-content:space-between;gap:12px;height:var(--bar-h);padding:0 var(--gutter);border-bottom:1px solid color-mix(in srgb,var(--line) 60%,transparent)}
.reader-count{font:500 14px/1 var(--sans);letter-spacing:.06em;color:var(--muted);font-variant-numeric:tabular-nums}
.reader-arrows{display:flex;gap:8px}
.reader-scroll{flex:1;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.reader-scroll .case{width:min(100% - 2*var(--gutter),var(--max));margin:0 auto;padding:22px 0 40px}
@media (max-width:999px){.reader-scroll .media{margin-inline:calc(-1 * var(--gutter));border-radius:0;border-inline:0}}
.reader-foot{flex:none;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:12px var(--gutter) max(12px,env(safe-area-inset-bottom));border-top:1px solid color-mix(in srgb,var(--line) 60%,transparent);background:var(--bg)}
.step-btn{display:grid;gap:2px;min-height:56px;padding:8px 12px;border:1px solid var(--line);border-radius:6px;background:none;text-align:left;min-width:0}
.step-btn.next{text-align:right}
.step-btn small{font:500 12px/1.3 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.step-btn span{font:400 17px/1.2 var(--display);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.step-btn span b{font:500 13px/1 var(--sans);letter-spacing:.04em;color:var(--muted);margin-right:6px}
@media (prefers-reduced-motion:no-preference){
  html[data-motion="on"] .reader[open]{animation:sheet-in var(--slow) var(--ease-out)}
}
@media (min-width:1000px){
  .reader{width:min(1240px,calc(100% - 64px));height:calc(100% - 64px);inset:32px 0 0;margin:0 auto;border-radius:12px;border:1px solid var(--line);box-shadow:0 40px 120px rgb(0 0 0 / .5)}
  .reader-scroll .case{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);grid-template-areas:"head head" "media facts" "extra facts";column-gap:48px;align-items:start;padding-top:36px}
  .reader-scroll .case-head{grid-area:head}
  .reader-scroll .media{grid-area:media;position:sticky;top:0}
  .reader-scroll .facts{grid-area:facts}
  .reader-scroll .extra{grid-area:extra}
  .reader-foot{grid-template-columns:320px 320px;justify-content:space-between}
}
@media (min-width:900px){.library .case{grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);column-gap:48px;align-items:start}.library .case-head{grid-column:1/-1}}

/* Operating method */
.steps{list-style:none;padding:0;position:relative;display:grid;gap:36px;padding-left:56px}
.steps::before,.steps::after{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:1px;background:var(--line)}
.steps::after{background:var(--accent);transform-origin:top;transform:scaleY(1)}
.step{position:relative}
.step .n{position:absolute;left:-56px;top:-4px;display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--bg);border:1px solid var(--accent);color:var(--accent);font:500 14px/1 var(--sans);letter-spacing:.04em}
.step h3{font:400 clamp(26px,6.4vw,32px)/1.12 var(--display);margin-bottom:10px}
.step p{color:var(--muted)}
@media (min-width:900px){
  .steps{grid-template-columns:repeat(4,1fr);gap:32px;padding:64px 0 0}
  .steps::before,.steps::after{left:0;right:0;top:19px;bottom:auto;width:auto;height:1px}
  .steps::after{transform-origin:left;transform:scaleX(1)}
  .step .n{left:0;top:-64px}
}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    html[data-motion="on"] .steps::after{animation:grow-y linear both;animation-timeline:view();animation-range:entry 30% cover 60%}
    html[data-motion="on"] .step .n{animation:node linear both;animation-timeline:view();animation-range:entry 40% entry 100%}
  }
  @media (prefers-reduced-motion:no-preference) and (min-width:900px){
    html[data-motion="on"] .steps::after{animation-name:grow-x}
  }
}

/* Why Mainstay */
.why .wrap{display:grid;gap:28px}
.why h2{font-size:clamp(40px,10vw,84px);line-height:1;letter-spacing:-.03em}
.why h2 .chat{font-style:italic;color:var(--accent)}
.why p{color:var(--muted);margin-bottom:16px;max-width:62ch}
.why p:first-of-type{color:var(--text);font-size:var(--t-lead);line-height:1.5}
@media (min-width:900px){.why .wrap{grid-template-columns:1.1fr 1fr;gap:72px;align-items:end}}

/* Closing */
.closing{padding-bottom:var(--section)}
.closing h2{font-size:clamp(46px,12vw,104px);line-height:.98;letter-spacing:-.035em;margin-bottom:32px;max-width:12ch}
.closing-copy{display:grid;gap:16px;max-width:680px}
.closing-copy p{color:var(--muted);font-size:clamp(17px,4.4vw,20px)}
.closing-copy p:first-child{color:var(--text)}
.cta-row{display:grid;gap:10px;margin-top:36px;max-width:560px}
.cta-row .btn{width:100%}
.closing .small{margin-top:16px}
.closing .small a{display:inline-flex;align-items:center;min-height:44px}
@media (min-width:600px){.cta-row{grid-template-columns:auto auto;justify-content:start}.cta-row .btn{width:auto}}

/* Footer */
.foot{border-top:1px solid var(--line);padding:32px 0 max(32px,env(safe-area-inset-bottom))}
.foot .wrap{display:grid;gap:18px;font-size:14px;color:var(--muted)}
.foot-brand img{width:120px}
.foot a{display:inline-flex;align-items:center;min-height:44px}
.foot .tag{font:italic 400 22px/1.2 var(--display);color:var(--text)}
@media (min-width:800px){.foot .wrap{grid-template-columns:auto 1fr auto;align-items:center;gap:32px}}

.print-only{display:none}

/* One-time reveal fallback for browsers without scroll-driven animations */
@media (prefers-reduced-motion:no-preference){
  html.js[data-motion="on"] [data-reveal]:not(.in){opacity:0;translate:0 24px}
  html.js[data-motion="on"] [data-reveal]{transition:opacity .8s var(--ease-out),translate .8s var(--ease-out)}
}
@supports (animation-timeline:view()){
  @media (prefers-reduced-motion:no-preference){
    html.js[data-motion="on"] [data-reveal]:not(.in){opacity:1;translate:none}
    html[data-motion="on"] [data-reveal]{animation:rise linear both;animation-timeline:view();animation-range:entry 0px entry 180px}
  }
}

/* View transition from a case card to the reader */
::view-transition-old(case-media),::view-transition-new(case-media){height:100%;object-fit:cover;overflow:clip}
::view-transition-group(case-media){animation-duration:.5s;animation-timing-function:var(--ease-out)}

@keyframes draw{to{stroke-dashoffset:0}}
@keyframes word-up{from{translate:0 105%}to{translate:0 0}}
@keyframes rise{from{opacity:0;translate:0 26px}to{opacity:1;translate:0 0}}
@keyframes cue{0%{transform:scaleY(0);opacity:1}60%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
@keyframes sheet-in{from{translate:0 36px;opacity:0}to{translate:0 0;opacity:1}}
@keyframes fan-a{from{rotate:0deg;translate:0 14%;scale:.94}}
@keyframes fan-b{from{rotate:0deg;translate:0 26%;scale:.94}}
@keyframes fill-num{from{background:transparent;color:var(--paper-ink);border-color:color-mix(in srgb,var(--paper-ink) 35%,transparent)}to{background:var(--ms-copper);color:var(--ms-ivory);border-color:var(--ms-copper)}}
@keyframes card-in{from{opacity:0;translate:0 28px}to{opacity:1;translate:0 0}}
@keyframes drift{from{translate:0 -4%;scale:1.1}to{translate:0 4%;scale:1.1}}
@keyframes grow-y{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes grow-x{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes node{from{background:var(--bg);color:var(--accent)}to{background:var(--accent);color:var(--accent-ink)}}
@keyframes progress{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@supports (animation-timeline:scroll()){
  .bar-progress{animation:progress linear both;animation-timeline:scroll(root)}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:0s!important;scroll-behavior:auto!important}
}
html[data-motion="off"] *,html[data-motion="off"] *::before,html[data-motion="off"] *::after{animation:none!important;transition-duration:0s!important}
html[data-motion="off"] .bar-progress{animation:none}

/* Print keeps the whole page readable, including every case. */
@media print{
  @page{size:letter;margin:14mm}
  :root,html[data-theme]{--bg:#fff;--raise:#fff;--well:#fff;--text:#222;--muted:#444;--line:#bbb;--accent:#625333;--paper:#f1eee8;--paper-ink:#222}
  body{font-size:10.5pt}
  .bar,.menu,.reader,.hero-mark,.scroll-cue,.seg,.stage,.cards,.play,.demo-poster,iframe,video,.btn,.reader-foot{display:none!important}
  html.js .library{display:grid!important}
  .hero{min-height:0;padding:0 0 12pt}
  .panel{visibility:visible!important;opacity:1!important;translate:none!important;grid-area:auto!important;border:0;padding:8pt 0}
  .panel .panel-head{display:block}
  .panels{gap:8pt}
  .print-only{display:block}
  section,.block{padding-top:14pt!important}
  .case{break-inside:avoid-page}
  [data-reveal]{opacity:1!important;translate:none!important}
}
.reader.vt{animation:none!important}