/* Case study pages (/work/<slug>). Tokens mirror index.html so the pages read as one site. */
:root, [data-theme="dark"] {
  --c-bg:#0C0C0C;--c-bg-elevated:#141414;--c-bg-card:#1A1A1A;--c-bg-hover:#222;
  --c-border:#2A2A2A;--c-border-subtle:#1E1E1E;
  --c-text-primary:#F2EDE6;--c-text-secondary:#B5AFA6;--c-text-tertiary:#807A72;--c-text-inverse:#0C0C0C;
  --c-accent:#C9A84C;--c-accent-hover:#DFC06A;--c-accent-muted:rgba(201,168,76,0.12);
  --c-nav-bg:rgba(12,12,12,0.88);
}
[data-theme="light"] {
  --c-bg:#F5F2ED;--c-bg-elevated:#FAFAF8;--c-bg-card:#FFF;--c-bg-hover:#EDE9E3;
  --c-border:#D6D1C9;--c-border-subtle:#E2DDD6;
  --c-text-primary:#1A1714;--c-text-secondary:#3D3A36;--c-text-tertiary:#5E5A54;--c-text-inverse:#F5F2ED;
  --c-accent:#8A6C1E;--c-accent-hover:#6B5418;--c-accent-muted:rgba(138,108,30,0.1);
  --c-nav-bg:rgba(245,242,237,0.92);
}
:root {
  --font-display:'Caveat',cursive;
  --font-body:'DM Sans',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --radius-sm:4px;--radius-md:8px;
  --measure:44rem;
  --ease:cubic-bezier(0.22,1,0.36,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}
body{font-family:var(--font-body);font-size:1.0625rem;line-height:1.7;color:var(--c-text-secondary);background:var(--c-bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--c-accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--c-accent-hover)}
a:focus-visible,button:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:var(--radius-sm)}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:min(1120px,100% - 32px);margin:0 auto}
.skip{position:absolute;left:-999px;top:0;background:var(--c-accent);color:var(--c-text-inverse);padding:.5rem 1rem;z-index:20}
.skip:focus{left:16px;top:16px}

/* The top navigation comes from site-nav.css (same as the home page). It is fixed, so push the page down. */
main{padding-top:var(--nav-h,72px)}
html{scroll-padding-top:calc(var(--nav-h,72px) + 1rem)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* Breadcrumb with a case study select. A native port of the shadcn Breadcrumb +
   Origin UI Select pattern: muted trail, chevron separator, and a select trigger
   with a leading document icon. Every icon carries its own width and height, so
   nothing can grow out of size even if this stylesheet fails to load. */
.bc{margin-bottom:1.25rem}
.bc__list{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:.375rem;font-size:.875rem;color:var(--c-text-tertiary);overflow-wrap:anywhere}
@media(min-width:640px){.bc__list{gap:.625rem}}
.bc__item{display:inline-flex;align-items:center;gap:.375rem;min-width:0}
.bc__item--select{flex:0 1 auto;max-width:100%}
.bc__link{color:var(--c-text-tertiary);text-decoration:none;transition:color .15s var(--ease)}
.bc__link:hover{color:var(--c-text-primary)}
.bc__sep{display:inline-flex;align-items:center;color:var(--c-text-tertiary)}
.bc__sep svg,.cs-select svg{display:block;flex:none;width:16px;height:16px}

.cs-select{position:relative;min-width:0;max-width:100%}
.cs-select__trigger{position:relative;display:flex;align-items:center;justify-content:space-between;gap:.5rem;height:2.25rem;max-width:min(34rem,calc(100vw - 32px));padding:.5rem .75rem .5rem 2.25rem;border:1px solid var(--c-border);border-radius:.5rem;background:var(--c-bg);color:var(--c-text-primary);font:400 .875rem/1.25 var(--font-body);text-align:start;cursor:pointer;box-shadow:0 1px 2px rgba(0,0,0,.05);transition:border-color .15s var(--ease),box-shadow .15s var(--ease)}
.cs-select__trigger:hover{border-color:var(--c-text-tertiary)}
.cs-select__trigger:focus{outline:none}
.cs-select__trigger:focus-visible,.cs-select__trigger[aria-expanded="true"]{border-color:var(--c-accent);box-shadow:0 0 0 3px var(--c-accent-muted)}
.cs-select__icon{position:absolute;inset:0 auto 0 0;display:flex;align-items:center;padding-left:.75rem;color:var(--c-text-tertiary);pointer-events:none}
.cs-select__value{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cs-select__chevron{color:var(--c-text-tertiary);transition:transform .2s var(--ease)}
.cs-select__trigger[aria-expanded="true"] .cs-select__chevron{transform:rotate(180deg)}

.cs-select__content{position:absolute;z-index:50;top:calc(100% + .25rem);left:0;min-width:100%;width:max-content;max-width:min(34rem,calc(100vw - 32px));max-height:min(24rem,60vh);overflow-y:auto;padding:.25rem;border:1px solid var(--c-border);border-radius:.5rem;background:var(--c-bg-card);color:var(--c-text-primary);box-shadow:0 10px 30px rgba(0,0,0,.25);transform-origin:top left;animation:cs-select-in .15s var(--ease)}
.cs-select__content[hidden]{display:none}
@keyframes cs-select-in{from{opacity:0;transform:translateY(-.5rem) scale(.95)}to{opacity:1;transform:none}}
.cs-select__item{position:relative;display:flex;align-items:flex-start;width:100%;padding:.375rem .5rem .375rem 2rem;border-radius:.375rem;color:var(--c-text-secondary);font-size:.875rem;line-height:1.45;text-decoration:none;cursor:pointer;user-select:none;outline:none}
.cs-select__item:hover,.cs-select__item:focus,.cs-select__item.is-active{background:var(--c-bg-hover);color:var(--c-text-primary)}
.cs-select__item[aria-selected="true"]{color:var(--c-text-primary);font-weight:500}
.cs-select__check{position:absolute;left:.5rem;top:.5rem;display:flex;color:var(--c-accent);visibility:hidden}
.cs-select__item[aria-selected="true"] .cs-select__check{visibility:visible}
.cs-select__text{min-width:0}
@media(prefers-reduced-motion:reduce){.cs-select__content{animation:none}.cs-select__chevron{transition:none}}

/* Article header */
.cs{padding:clamp(2rem,6vw,4.5rem) 0 3rem}
.cs__eyebrow{font-family:var(--font-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--c-text-tertiary);margin-bottom:1.25rem}
.cs__eyebrow a{color:var(--c-text-tertiary);text-decoration:none}
.cs__eyebrow a:hover{color:var(--c-accent)}
.cs__title{font-family:var(--font-display);font-weight:700;font-size:clamp(2.4rem,6vw,4.25rem);line-height:1.02;color:var(--c-text-primary);max-width:24ch;margin-bottom:1.5rem;letter-spacing:-0.005em}
.cs__lead{font-size:clamp(1.125rem,2vw,1.3rem);line-height:1.6;color:var(--c-text-primary);font-weight:300;max-width:var(--measure);margin-bottom:2rem}
.cs__meta{display:flex;flex-wrap:wrap;border-top:1px solid var(--c-border);border-left:1px solid var(--c-border);border-radius:var(--radius-md);overflow:hidden;margin-bottom:1.5rem}
.cs__meta div{flex:1 1 13rem;background:var(--c-bg-elevated);padding:.9rem 1rem;border-right:1px solid var(--c-border);border-bottom:1px solid var(--c-border)}
@media(max-width:640px){.cs__meta div{flex-basis:9rem}}
.cs__meta dt{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--c-text-tertiary);margin-bottom:.25rem}
.cs__meta dd{font-size:.9375rem;line-height:1.5;color:var(--c-text-primary)}
.cs__tags{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:2.5rem}
.cs__tags li{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;padding:.25rem .65rem;border:1px solid var(--c-border);border-radius:var(--radius-sm);color:var(--c-text-secondary);background:var(--c-bg-elevated)}
.cs__cover{margin:0 0 3rem}
.cs__cover img{width:100%;border-radius:var(--radius-md);border:1px solid var(--c-border)}

/* Body with optional sticky contents list */
.cs__layout{display:grid;grid-template-columns:minmax(0,1fr);gap:2.5rem}
@media(min-width:1024px){.cs__layout{grid-template-columns:14rem minmax(0,1fr)}}
.cs__toc{font-size:.85rem}
@media(min-width:1024px){.cs__toc{position:sticky;top:5.5rem;align-self:start;max-height:calc(100vh - 7rem);overflow:auto}}
.cs__toc p{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--c-text-tertiary);margin-bottom:.75rem}
.cs__toc ol{list-style:none;border-left:1px solid var(--c-border)}
.cs__toc li a{display:block;padding:.3rem 0 .3rem .9rem;color:var(--c-text-secondary);text-decoration:none;line-height:1.4}
.cs__toc li a:hover{color:var(--c-accent)}
@media(max-width:1023px){.cs__toc{border:1px solid var(--c-border);border-radius:var(--radius-md);padding:1rem 1.25rem;background:var(--c-bg-elevated)}}

.cs__body{max-width:var(--measure);min-width:0}
.cs__body h2{font-family:var(--font-display);font-weight:700;font-size:clamp(1.9rem,3.5vw,2.4rem);line-height:1.1;color:var(--c-text-primary);margin:3rem 0 1rem}
.cs__body h2:first-child{margin-top:0}
.cs__body h3{font-size:1.15rem;font-weight:600;color:var(--c-text-primary);margin:2rem 0 .6rem;line-height:1.35}
.cs__body p{margin-bottom:1.1rem}
.cs__body strong{color:var(--c-text-primary);font-weight:600}
.cs__body ul,.cs__body ol{margin:0 0 1.25rem 1.25rem}
.cs__body li{margin-bottom:.55rem;padding-left:.2rem}
.cs__body li::marker{color:var(--c-text-tertiary)}
.cs__body blockquote{border-left:3px solid var(--c-accent);padding:.25rem 0 .25rem 1.25rem;margin:1.5rem 0;color:var(--c-text-primary);font-style:italic}
.cs__body blockquote p{margin:0}
.cs__body hr{border:0;border-top:1px solid var(--c-border);margin:2.5rem 0}
.cs__body em{color:var(--c-text-tertiary)}
.cs__body figure{margin:1.75rem 0}
.cs__body figure img{width:100%;border-radius:var(--radius-md);border:1px solid var(--c-border);background:#fff}
.cs__body figcaption{font-size:.8125rem;color:var(--c-text-tertiary);margin-top:.5rem;text-align:center}
.cs-table{overflow-x:auto;margin:1.5rem 0;border:1px solid var(--c-border);border-radius:var(--radius-md);-webkit-overflow-scrolling:touch}
.cs-table table{border-collapse:collapse;width:100%;min-width:32rem;font-size:.9rem;line-height:1.5}
.cs-table th,.cs-table td{text-align:left;vertical-align:top;padding:.65rem .85rem;border-bottom:1px solid var(--c-border)}
.cs-table tr:last-child td{border-bottom:0}
.cs-table th{background:var(--c-bg-elevated);color:var(--c-text-primary);font-weight:600}
.cs__gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:.75rem;margin-top:2rem}
.cs__links{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:2rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5rem;min-height:44px;padding:.65rem 1.2rem;font:500 .875rem/1.2 var(--font-body);letter-spacing:.02em;border-radius:var(--radius-sm);border:1px solid var(--c-border);background:transparent;color:var(--c-text-primary);cursor:pointer;text-decoration:none;transition:background .15s var(--ease),border-color .15s var(--ease)}
.btn:hover{background:var(--c-bg-hover);border-color:var(--c-text-tertiary);color:var(--c-text-primary)}
.btn--primary{background:var(--c-accent);border-color:var(--c-accent);color:var(--c-text-inverse)}
.btn--primary:hover{background:var(--c-accent-hover);border-color:var(--c-accent-hover);color:var(--c-text-inverse)}

/* Closing call to action and pager */
.cs__cta{margin:4rem 0 2.5rem;padding:clamp(1.5rem,4vw,2.5rem);border:1px solid var(--c-border);border-radius:var(--radius-md);background:var(--c-bg-elevated)}
.cs__cta h2{font-family:var(--font-display);font-weight:700;font-size:clamp(1.8rem,3.5vw,2.3rem);color:var(--c-text-primary);line-height:1.1;margin-bottom:.5rem}
.cs__cta p{margin-bottom:1.25rem;max-width:var(--measure)}
.cs__cta-actions{display:flex;flex-wrap:wrap;gap:.6rem}
.cs__pager{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.cs__pager a{display:block;padding:1.1rem 1.25rem;border:1px solid var(--c-border);border-radius:var(--radius-md);color:var(--c-text-primary);text-decoration:none;line-height:1.4;font-size:.95rem}
.cs__pager a:hover{border-color:var(--c-accent)}
.cs__pager span{display:block;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--c-text-tertiary);margin-bottom:.35rem}
.cs__pager-next{text-align:right}
@media(max-width:640px){.cs__pager{grid-template-columns:1fr}.cs__pager-next{text-align:left}.top__nav a:not(.top__cta){display:none}}

.foot{border-top:1px solid var(--c-border-subtle);padding:1.5rem 0;font-size:.8125rem;color:var(--c-text-tertiary)}
.foot__inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
/* Same content and arrangement as the home page footer, at this page's type size */
.foot__note{font-family:var(--font-mono)}
.foot__admin{font-family:var(--font-mono);color:var(--c-text-tertiary);text-decoration:none;opacity:.3;transition:opacity .15s var(--ease)}
.foot__admin:hover{opacity:.7;color:var(--c-text-tertiary)}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition-duration:.01ms!important}}
@media print{.top,.cs__toc,.cs__cta,.cs__pager,.foot{display:none}body{background:#fff;color:#000}}