/* bb22 — case study pages. Tokens mirror colors_and_type.css (source of truth). */
@font-face{font-family:"Funnel Display";src:url("../fonts/FunnelDisplay-Light.woff2") format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Funnel Display";src:url("../fonts/FunnelDisplay-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Funnel Display";src:url("../fonts/FunnelDisplay-Medium.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Funnel Display";src:url("../fonts/FunnelDisplay-SemiBold.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Funnel Display";src:url("../fonts/FunnelDisplay-Bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Funnel Display";src:url("../fonts/FunnelDisplay-ExtraBold.woff2") format("woff2");font-weight:800;font-style:normal;font-display:swap}
:root{--bb-black:#000;--bb-white:#FFF;--bb-terracotta:#9F4427;--bb-stone:#97979C;--bb-fog:#E6E6E6;--bb-graphite:#1A1A1A;--rule:rgba(0,0,0,0.12);--rule-inv:rgba(255,255,255,0.18);--fg-1:#000;--fg-2:#64646C;--fg-inv-2:rgba(255,255,255,0.82);--accent:#9F4427;--accent-inv:#D07A50;--font-display:"Funnel Display","Helvetica Neue",system-ui,sans-serif;--pad:clamp(20px,5vw,64px)}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;scroll-behavior:smooth}
body{font-family:var(--font-display);background:var(--bb-white);color:var(--fg-1);font-size:16px;line-height:1.45}
img{display:block;width:100%;height:auto}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--bb-black)}
.eyebrow{font-size:11px;font-weight:500;letter-spacing:0.18em;text-transform:uppercase;color:var(--fg-2)}
.eyebrow .s,.rail .s{color:var(--accent);margin-right:0.35em}
main{max-width:1280px;margin:0 auto;padding:0 var(--pad)}
.site-head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,0.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.head-inner{max-width:1280px;margin:0 auto;padding:16px var(--pad);display:flex;align-items:center;justify-content:space-between}
.head-logo{display:flex;align-items:center}
.head-logo img{width:250px;height:auto}
.head-nav{display:flex;gap:48px}
.head-nav a{font-size:11px;font-weight:500;letter-spacing:0.18em;text-transform:uppercase;color:var(--fg-2);position:relative;transition:color .3s cubic-bezier(.16,1,.3,1)}
.head-nav a::after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--fg-1);transition:width .3s cubic-bezier(.16,1,.3,1)}
.head-nav a:hover{color:var(--fg-1)}
.head-nav a:hover::after{width:100%}
.crumbs{display:flex;gap:10px;align-items:center;flex-wrap:wrap;padding:32px 0 0;font-size:11px;font-weight:500;letter-spacing:0.14em;text-transform:uppercase;color:var(--fg-2)}
.crumbs a{color:var(--fg-2)}
.crumbs a:hover{color:var(--accent)}
.crumbs span[aria-current]{color:var(--bb-black)}
.case-head{padding:clamp(40px,6vw,72px) 0 0}
.case-head h1{font-weight:700;font-size:clamp(38px,6.4vw,104px);line-height:1.0;letter-spacing:-0.045em;text-transform:lowercase;margin:clamp(20px,2.4vw,36px) 0 0;max-width:22ch}
.lede{font-size:clamp(17px,1.5vw,22px);font-weight:400;line-height:1.5;letter-spacing:-0.01em;color:var(--bb-graphite);max-width:52ch;margin-top:clamp(20px,2vw,32px)}
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;border-top:1px solid var(--bb-black);margin-top:clamp(40px,5vw,72px)}
.spec{padding-top:16px}
.spec dt{font-size:10.5px;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--fg-2)}
.spec dd{font-size:16px;font-weight:600;line-height:1.35;margin-top:10px}
.fig-hero{margin-top:clamp(40px,5vw,72px)}
.fig-full{margin-top:clamp(48px,6vw,96px)}
.fig-pair{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2vw,24px);margin-top:clamp(48px,6vw,96px)}
.cap{font-size:10.5px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--fg-2);padding-top:14px}
.chapter{display:grid;grid-template-columns:260px 1fr;gap:clamp(32px,5vw,64px);padding-top:clamp(56px,7vw,112px)}
.rail{font-size:11px;font-weight:600;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent);padding-top:8px}
.rail.inv{color:var(--bb-white)}.rail.inv .s{color:var(--accent-inv)}
.prose p{font-size:clamp(15.5px,1.15vw,17.5px);line-height:1.72;color:var(--bb-graphite);max-width:64ch;text-wrap:pretty}
.prose p+p{margin-top:18px}
.slab{background:var(--bb-black);color:var(--bb-white);margin-top:clamp(56px,7vw,112px);padding:clamp(48px,6vw,96px) 0}
.slab-inner{display:grid;grid-template-columns:260px 1fr;gap:clamp(32px,5vw,64px);padding:0 clamp(24px,3vw,48px)}
.prose.inv p{color:var(--fg-inv-2)}
.case-cta{display:flex;flex-wrap:wrap;gap:32px;align-items:flex-end;justify-content:space-between;border-top:1px solid var(--bb-black);margin-top:clamp(64px,8vw,128px);padding-top:28px;padding-bottom:clamp(28px,3.5vw,52px)}
.cta-line{font-weight:600;font-size:clamp(24px,3vw,44px);line-height:1.1;letter-spacing:-0.03em;text-transform:lowercase;margin-top:16px;max-width:22ch}
.cta-links{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;font-size:12px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;padding:14px 22px;background:var(--bb-black);color:var(--bb-white);border:1px solid var(--bb-black);transition:background 180ms cubic-bezier(.22,1,.36,1),color 180ms}
.btn:hover{background:var(--accent);border-color:var(--accent);color:var(--bb-white)}
.btn.ghost{background:transparent;color:var(--bb-black)}
.btn.ghost:hover{background:var(--bb-black);color:var(--bb-white)}
.pager{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:start;border-top:1px solid var(--rule);margin-top:clamp(24px,3vw,48px);padding:24px 0 clamp(64px,8vw,128px)}
.pg{display:flex;flex-direction:column;gap:8px}
.pg .k{font-size:10.5px;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--fg-2)}
.pg .v{font-size:clamp(18px,2vw,28px);font-weight:600;letter-spacing:-0.025em;text-transform:lowercase;color:var(--bb-black)}
.pg:hover .v{color:var(--accent)}
.pg.nx{text-align:right;align-items:flex-end}
.pg.all{font-size:11px;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--fg-2);white-space:nowrap;align-self:start}
.pg.all:hover{color:var(--accent)}
.index-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(32px,4vw,64px);margin-top:clamp(48px,6vw,88px)}
.card{display:block;color:var(--bb-black)}
.card-img{overflow:hidden;background:var(--bb-fog);aspect-ratio:4/3}
.card-img img{height:100%;object-fit:cover;transition:transform 640ms cubic-bezier(.22,1,.36,1)}
.card:hover .card-img img{transform:scale(1.03)}
.card-meta{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;border-top:1px solid var(--bb-black);margin-top:18px;padding-top:16px}
.card-n{font-size:10.5px;font-weight:600;letter-spacing:0.16em;color:var(--accent);grid-row:1}
.card-cat{font-size:10.5px;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--fg-2)}
.card-client{grid-column:2;font-size:clamp(22px,2.4vw,34px);font-weight:700;letter-spacing:-0.03em;text-transform:lowercase;line-height:1.05}
.card:hover .card-client{color:var(--accent)}
.card-title{grid-column:2;font-size:14.5px;line-height:1.5;color:var(--bb-graphite);max-width:44ch}
.card-year{grid-column:2;font-size:10.5px;font-weight:600;letter-spacing:0.16em;color:var(--fg-2);margin-top:4px}
.site-foot{background:var(--bb-black);color:var(--fg-inv-2);margin-top:0}
.foot-inner{max-width:1280px;margin:0 auto;padding:48px var(--pad);display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center}
.foot-meta{font-size:13px;letter-spacing:0.08em;text-transform:uppercase}
.foot-social{display:flex;gap:32px}
.foot-social a{font-size:13px;letter-spacing:0.08em;text-transform:uppercase;color:var(--fg-inv-2);transition:color .3s cubic-bezier(.16,1,.3,1)}
.foot-social a:hover{color:#fff}
@media (max-width:768px){.foot-inner{flex-direction:column-reverse;text-align:center;gap:48px}}
@media (orientation:landscape) and (max-height:500px){.foot-inner{flex-direction:row;text-align:left}}
@media (max-width:900px){
.chapter,.slab-inner{grid-template-columns:1fr;gap:20px}
.specs{grid-template-columns:repeat(2,1fr);gap:20px}
.fig-pair,.index-grid{grid-template-columns:1fr}
.pager{gap:10px;padding:20px 0 clamp(48px,8vw,96px)}
.pg{gap:5px}
.pg .k{font-size:9px;letter-spacing:.12em}
.pg .v{font-size:15px}
.pg.all{font-size:9.5px;letter-spacing:.1em;text-align:center}
.head-logo img{width:200px}
}
@media (max-width:768px),(max-height:500px) and (orientation:landscape){
.site-head{transition:transform .35s cubic-bezier(.22,1,.36,1)}
.site-head.header-hidden{transform:translateY(-110%)}
}
@media print{.site-head,.pager,.rv{position:static}.rv{opacity:1;transform:none}}
.lang-switch{position:relative;display:flex;align-items:center;flex-shrink:0}
.lang-cur{display:flex;align-items:center;gap:5px;background:none;border:0;font:inherit;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--bb-black);padding:5px 9px;line-height:1;cursor:pointer}
.lang-caret{opacity:.5;transition:transform .22s ease}
.lang-switch.open .lang-caret{transform:rotate(180deg)}
.lang-list{position:absolute;top:calc(100% + 7px);right:0;display:flex;flex-direction:column;min-width:100%;background:var(--bb-white);border:1px solid var(--rule);opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:60}
.lang-switch.open .lang-list{opacity:1;visibility:visible;transform:none}
.lang-list a{font-size:11px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;padding:9px 12px;color:var(--fg-2);text-decoration:none;line-height:1;white-space:nowrap}
.lang-list a:hover{color:var(--accent);background:var(--bb-fog)}
/* ── Mobile burger menu (built by case-nav.js) ────────────────────
   Same breakpoint as the homepage: the inline nav is swapped for the
   burger before it can collide with the logo on portrait tablets. */
.burger-btn{display:none;align-items:center;justify-content:center;background:transparent;border:0;height:23px;padding:0 8px;cursor:pointer;color:var(--fg-1);transition:color .22s ease;position:relative;z-index:1100}
.burger-btn::after{content:"";position:absolute;inset:-11px -4px}
.burger-btn:hover{color:var(--accent)}
.mobile-menu{position:fixed;inset:0;z-index:1050;background:var(--bb-black);display:flex;flex-direction:column;justify-content:flex-start;padding:96px clamp(20px,5vw,64px) 64px;opacity:0;pointer-events:none;transition:opacity .55s cubic-bezier(.16,1,.3,1)}
.mobile-menu.open{opacity:1;pointer-events:all}
.mobile-menu-close{position:absolute;top:calc(env(safe-area-inset-top,0px) + 16px);right:24px;display:flex;align-items:center;justify-content:center;background:transparent;border:0;color:var(--bb-white);cursor:pointer;padding:8px;line-height:1;transition:color .22s ease}
.mobile-menu-close:hover{color:var(--accent)}
.mobile-menu-eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.55);margin-bottom:48px}
.mobile-nav{display:flex;flex-direction:column;gap:16px}
.mobile-nav a{font-family:var(--font-display);font-weight:600;font-size:clamp(38px,11vw,60px);line-height:.95;letter-spacing:-.02em;text-transform:none;color:var(--bb-white);text-decoration:none;display:block;transform:translateX(-28px);opacity:0;transition:color .22s ease,transform .52s cubic-bezier(.16,1,.3,1),opacity .52s cubic-bezier(.16,1,.3,1)}
.mobile-menu.open .mobile-nav a{transform:translateX(0);opacity:1}
.mobile-nav a:nth-child(1){transition-delay:.07s}.mobile-nav a:nth-child(2){transition-delay:.12s}.mobile-nav a:nth-child(3){transition-delay:.17s}.mobile-nav a:nth-child(4){transition-delay:.22s}.mobile-nav a:nth-child(5){transition-delay:.27s}
.mobile-nav a:hover{color:var(--accent)}
.mobile-menu-meta{position:absolute;bottom:48px;left:clamp(20px,5vw,64px);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.5)}
@media (max-width:1024px){
.site-head .head-nav{display:none}
.site-head .burger-btn{display:flex}
.head-inner{gap:0;min-height:63px}
.head-inner .lang-switch{margin-left:auto;margin-right:4px}
}
@media (orientation:landscape) and (max-height:500px){
.mobile-menu{padding:60px clamp(20px,5vw,64px) 32px;justify-content:center}
.mobile-menu-eyebrow{position:absolute;top:calc(env(safe-area-inset-top,0px) + 16px);left:clamp(20px,5vw,64px);margin-bottom:0}
.mobile-nav{display:grid;grid-template-columns:1fr 1fr;column-gap:56px;row-gap:12px;align-content:center}
.mobile-nav a{font-size:43px}
.mobile-menu-meta{bottom:16px}
}
.lang-list a+a{border-top:1px solid var(--rule)}
@media (max-width:900px){.lang-cur{padding:5px 7px;font-size:10.5px}}
/* Cross-page fade (behaviour in i18n/lang.js). */
.page-fade{position:fixed;inset:0;z-index:9999;background:#FFF;pointer-events:none;opacity:1;animation:pfArrive .45s cubic-bezier(.22,1,.36,1) forwards}@keyframes pfArrive{to{opacity:0}}@keyframes pfLeave{from{opacity:0}to{opacity:1}}@media(prefers-reduced-motion:reduce){.page-fade{display:none}}

/* ── Custom cursor (mirrors the homepage; built by case-nav.js) ──── */
html.cc,html.cc a,html.cc button,html.cc [role="button"],html.cc .head-logo,html.cc .lang-cur{cursor:none}
#cursor{position:fixed;width:12px;height:12px;border-radius:50%;background:var(--bb-terracotta);pointer-events:none;z-index:12001;opacity:0;transition:transform .3s ease-out,opacity .3s ease,background .3s ease;transform:translate(-50%,-50%) scale(1);mix-blend-mode:difference}
#cursor.visible{opacity:.8}
#cursor.hover{transform:translate(-50%,-50%) scale(2)}
#cursor-follower{position:fixed;width:40px;height:40px;border:1px solid rgba(159,68,39,0.3);border-radius:50%;pointer-events:none;z-index:12000;opacity:0;transition:opacity .3s ease,transform .2s ease-out;transform:translate(-50%,-50%) scale(1)}
#cursor-follower.visible{opacity:1}
#cursor-follower.hover{transform:translate(-50%,-50%) scale(1.5);border-color:rgba(159,68,39,0.5)}
@media (max-width:768px){#cursor,#cursor-follower{display:none!important}}