:root{color-scheme:light;--ink:#17242e;--paper:#f5f1e8;--panel:#e9e5db;--rust:#c45b3f;--muted:#4b555b;--line:#bdb6aa;--blue:#155bf5}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"DM Sans",Arial,sans-serif;font-size:18px;line-height:1.55}
a{color:inherit}
a:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
img{max-width:100%;display:block}
.skip{position:absolute;z-index:10;top:-100px;left:16px;background:var(--paper);padding:10px 16px}
.skip:focus{top:12px}
.topbar{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:12px clamp(24px,5vw,76px);border-bottom:1px solid var(--line);font:500 12px/1.4 "DM Mono",monospace;letter-spacing:.08em}
.topbar-identity{display:flex;align-items:center;gap:36px;min-width:0}
.brand-home{display:block;flex:none;width:152px;line-height:0}
.brand-home img{width:100%;height:auto}
.header-context{border-left:1px solid var(--line);padding-left:24px;white-space:nowrap}
.topbar-right span{padding:0 .4em;color:var(--rust)}
main{max-width:1600px;margin:auto}
.intro{padding:clamp(28px,4vw,52px) clamp(24px,5vw,76px) 36px;background:var(--ink);color:var(--paper)}
.intro-copy{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.75fr);gap:clamp(24px,5vw,90px);align-items:end;margin-bottom:28px}
.eyebrow{grid-column:1/-1;margin:0;color:#a9c5ff;font:500 12px/1.5 "DM Mono",monospace;letter-spacing:.09em}
h1,h2{font-family:Fraunces,Georgia,serif;font-weight:500;letter-spacing:-.025em}
h1{margin:0;font-size:clamp(42px,4.6vw,70px);line-height:1.02;max-width:850px}
.lead{margin:0 0 8px;max-width:500px;font-size:clamp(18px,1.7vw,23px);line-height:1.4;color:#e4e9ec}
.overview{margin:0}
.overview .image-open{background:#d6e1dc}
.overview img{width:100%;height:auto}
figcaption{font:400 12px/1.5 "DM Mono",monospace;letter-spacing:.01em}
.overview figcaption{padding-top:11px;color:#cbd6df}
.image-open{display:block;width:100%;border:0;padding:0;background:var(--panel);color:var(--ink);text-align:left;cursor:zoom-in;font:500 13px/1.4 "DM Sans",Arial,sans-serif}
.image-open img{display:block;width:100%;height:auto}
.image-action{display:block;min-height:44px;padding:12px 16px;background:var(--paper);border:1px solid var(--line);border-top:0;text-decoration:underline;text-underline-offset:3px}
.image-open:hover .image-action,.image-open:focus-visible .image-action{background:var(--panel)}
.image-open{transition:transform .35s cubic-bezier(.2,.8,.2,1),box-shadow .35s ease}
.image-open:hover{transform:translateY(-4px);box-shadow:0 14px 32px #17242e20}
.image-open:active{transform:translateY(-1px) scale(.995)}
.image-action{transition:background-color .25s ease,color .25s ease}
.requirements{padding:0 clamp(24px,5vw,76px)}
.requirement{display:grid;grid-template-columns:70px minmax(0,1fr) minmax(230px,340px);gap:clamp(22px,3vw,50px);align-items:start;padding:clamp(32px,4vw,60px) 0;border-bottom:1px solid var(--line)}
.requirement-tall{grid-template-columns:70px minmax(0,1fr) minmax(330px,430px);align-items:center}
.requirement-tall .number{align-self:start}
.number{font:500 15px/1.3 "DM Mono",monospace;color:var(--rust);padding-top:8px}
h2{font-size:clamp(30px,3vw,47px);line-height:1.07;margin:0 0 16px}
.requirement-main p{margin:0;max-width:730px;color:var(--muted);font-size:clamp(17px,1.5vw,20px);line-height:1.55}
.requirement-main strong{color:var(--ink);font-weight:600}
.reference-note{margin:12px 0 0;padding-left:18px;border-left:2px solid var(--rust);color:var(--muted);font:400 13px/1.5 "DM Mono",monospace}
.reference-image{margin:0}
.reference-image img{width:100%;height:auto}
.reference-image figcaption{padding-top:10px;color:var(--muted)}
.requirement-gap{grid-template-columns:70px minmax(0,1fr)}
.requirement-gap .reference-grid{grid-column:2;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:8px}
.requirement-gap .reference-image:first-child{grid-column:1;grid-row:1/span 2}
.requirement-gap .reference-image:nth-child(2){grid-column:2;grid-row:1}
.requirement-gap .reference-image:nth-child(3){grid-column:2;grid-row:2}
.requirement-gap .reference-image img{height:auto}
.closing{margin:0 clamp(24px,5vw,76px);padding:48px 0 80px}
.closing p{max-width:820px;margin:0;padding-left:22px;border-left:4px solid var(--rust);font:500 clamp(24px,2.4vw,34px)/1.3 Fraunces,Georgia,serif}
.viewer{width:min(96vw,1500px);max-width:none;max-height:94dvh;padding:0;border:0;background:var(--paper);color:var(--ink);box-shadow:0 24px 90px #050c1070}
.viewer[open]{display:flex;flex-direction:column}
.viewer::backdrop{background:#050c10d9}
.viewer-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 28px;align-items:center;flex:none;padding:14px 20px;background:var(--paper);border-bottom:1px solid var(--line)}
.viewer-head h2{font-size:clamp(22px,2vw,30px);line-height:1.15;margin:0}
.viewer-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.viewer-actions button,.viewer-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border:1px solid var(--ink);border-radius:0;background:transparent;color:var(--ink);font:500 14px/1.2 "DM Sans",Arial,sans-serif;text-decoration:none;cursor:pointer}
.viewer-actions button:hover,.viewer-actions a:hover{background:var(--panel)}
.viewer-actions button:disabled{opacity:.45;cursor:default}
.viewer-actions .viewer-close{background:var(--ink);color:var(--paper)}
.viewer-actions .viewer-close:hover{background:#263e50}
#zoom-level{min-width:48px;text-align:center;font:500 12px/1.4 "DM Mono",monospace}
.viewer-scroll{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:16px;background:var(--ink)}
.viewer-scroll.centered{display:flex;align-items:center;justify-content:center}
.viewer-scroll img{display:block;width:100%;max-width:none;height:auto;margin:0 auto}
.viewer[open]{animation:viewer-enter .42s cubic-bezier(.16,1,.3,1) both}
.viewer[open]::backdrop{animation:backdrop-enter .4s ease both}
.viewer[open].is-closing{animation:viewer-exit .24s ease-in both}
.viewer[open].is-closing::backdrop{animation:backdrop-exit .24s ease-in both}
.viewer-scroll img{transition:width .32s cubic-bezier(.2,.8,.2,1)}
.viewer-actions button,.viewer-actions a{transition:background-color .2s ease,color .2s ease,transform .2s ease}
.viewer-actions button:active,.viewer-actions a:active{transform:scale(.96)}
@keyframes viewer-enter{from{opacity:0;transform:translateY(28px) scale(.975)}to{opacity:1;transform:translateY(0) scale(1)}}
@keyframes viewer-exit{to{opacity:0;transform:translateY(14px) scale(.985)}}
@keyframes backdrop-enter{from{opacity:0}to{opacity:1}}
@keyframes backdrop-exit{to{opacity:0}}
@media(prefers-reduced-motion:no-preference){.intro-copy>*{animation:content-enter .65s cubic-bezier(.16,1,.3,1) both}.intro-copy>*:nth-child(2){animation-delay:.08s}.intro-copy>*:nth-child(3){animation-delay:.16s}.overview{animation:content-enter .7s .2s cubic-bezier(.16,1,.3,1) both}.motion-ready .requirement{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.16,1,.3,1)}.motion-ready .requirement.is-visible{opacity:1;transform:translateY(0)}@keyframes content-enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}}
body.viewer-open{overflow:hidden}
@media(max-width:900px){.intro-copy{grid-template-columns:1fr;gap:22px}.eyebrow{grid-column:auto}.lead{max-width:720px}.requirement,.requirement-tall{grid-template-columns:50px minmax(0,1fr);gap:16px}.reference-note,.single-image{grid-column:2}.single-image{max-width:440px}.requirement-gap .reference-grid{grid-column:2}}
@media(max-width:650px){body{font-size:16px}.topbar{padding:10px 20px}.topbar-identity{gap:18px}.brand-home{width:126px}.header-context{padding-left:16px;font-size:10px;line-height:1.35;white-space:normal}.topbar-right{display:none}.intro{padding:36px 20px 28px}.intro-copy{margin-bottom:28px}.lead{font-size:18px}.requirements{padding:0 20px}.requirement{grid-template-columns:36px minmax(0,1fr);padding:34px 0;gap:12px}.number{font-size:13px}.requirement-main p{font-size:17px}.requirement-gap .reference-grid{grid-template-columns:1fr}.requirement-gap .reference-image:first-child,.requirement-gap .reference-image:nth-child(2),.requirement-gap .reference-image:nth-child(3){grid-column:1;grid-row:auto}.requirement-gap .reference-image img{height:auto}.closing{margin:0 20px;padding:38px 0 58px}.viewer{width:100vw;max-height:100dvh;height:100dvh;margin:0}.viewer-head{padding:12px}.viewer-actions{gap:6px}.viewer-actions button,.viewer-actions a{font-size:13px;padding:8px}.viewer-scroll{padding:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.image-open,.image-action,.viewer,.viewer::backdrop,.viewer-scroll img,.viewer-actions button,.viewer-actions a,.requirement,.intro-copy>*,.overview{animation:none!important;transition:none!important;transform:none!important;opacity:1!important}}