/* STH Construction & Engineering — design system v2.
   One technical grotesk (Archivo, variable weight + width) for everything readable,
   IBM Plex Mono for annotations. Warm paper, graphite and near-black; teal used sparingly.
   Rhythm: full-bleed cinematic moments between calm editorial sections. */
@font-face{font-family:'Archivo';font-style:normal;font-display:swap;font-weight:100 900;font-stretch:62% 125%;src:url('/fonts/archivo-latin-wdth-normal.woff2') format('woff2-variations'),url('/fonts/archivo-latin-wdth-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2')}

:root{
  --paper:#f3f2ee; --paper-2:#e9e8e3; --ink:#111417; --ink-2:#565d63; --rule:#d5d3cc;
  --char:#0b0d0f; --graphite:#14181b; --graphite-2:#1b2024; --steel:#8c959b; --fg:#ebeeee; --rule-d:#262c31;
  --accent:#2a9fc0; --accent-ink:#0d5f7a;
  --sans:"Archivo","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono","Courier New",monospace;
  --ease-out:cubic-bezier(.2,.7,.2,1); --ease-inout:cubic-bezier(.65,0,.35,1); --ease-heavy:cubic-bezier(.76,0,.24,1);
  --pad:clamp(20px,4vw,64px); --hdr:68px; --max:1440px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--sans);font-stretch:100%;-webkit-font-smoothing:antialiased}
img,video,svg{display:block;max-width:100%}
a{color:inherit}
a,button{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
picture{display:contents}
p{margin:0 0 1em}

/* page transitions */
@view-transition{navigation:auto}
::view-transition-old(root){animation:.3s var(--ease-inout) both vt-out}
::view-transition-new(root){animation:.6s var(--ease-out) both vt-in}
@keyframes vt-out{to{opacity:0}}
@keyframes vt-in{from{opacity:0;transform:translateY(12px)}}
.hdr{view-transition-name:hdr}
@media (prefers-reduced-motion:reduce){::view-transition-old(root),::view-transition-new(root){animation:none}}

/* ---------- type ---------- */
.d1,.d2,.d3,h1,h2,h3{font-family:var(--sans);font-weight:500;text-transform:uppercase;margin:0;letter-spacing:-.025em}
h1,.d1{font-size:clamp(3rem,9.6vw,10.5rem);line-height:.86;font-stretch:88%}
h2,.d2{font-size:clamp(2.3rem,5.6vw,5.6rem);line-height:.9;font-stretch:90%}
h3,.d3{font-size:clamp(1.35rem,2vw,1.85rem);line-height:1.02;letter-spacing:-.015em;font-stretch:95%}
.statement{font:400 clamp(1.6rem,3.1vw,3rem)/1.12 var(--sans);letter-spacing:-.02em;margin:0;max-width:24ch}
.lede{font-size:clamp(1.05rem,1.3vw,1.2rem);line-height:1.6;color:var(--ink-2);max-width:52ch;margin:0}
.tag{font:500 .72rem/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin:0}
.tag b{color:var(--accent-ink);font-weight:500}
.dark .tag,.dark2 .tag{color:var(--steel)}.dark .tag b,.dark2 .tag b{color:var(--accent)}
.dark .lede,.dark2 .lede{color:#b3bcc0}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.sec{padding:clamp(80px,11vw,170px) 0;position:relative}
.sec.tight{padding:clamp(56px,7vw,100px) 0}
.dark{background:var(--char);color:var(--fg)}
.dark2{background:var(--graphite);color:var(--fg)}
.paper2{background:var(--paper-2)}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:clamp(16px,2vw,32px)}
.c-1-5{grid-column:1/6}.c-6-13{grid-column:6/13}.c-1-7{grid-column:1/8}.c-8-13{grid-column:8/13}.c-1-4{grid-column:1/5}.c-5-13{grid-column:5/13}.c-1-13{grid-column:1/-1}.c-7-13{grid-column:7/13}.c-1-6{grid-column:1/7}
@media (max-width:900px){.grid>[class*="c-"]{grid-column:1/-1}}
.head{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding-bottom:18px;border-bottom:1px solid var(--rule);margin-bottom:clamp(36px,5vw,72px)}
.dark .head,.dark2 .head{border-color:var(--rule-d)}

/* ---------- header ---------- */
.hdr{position:sticky;top:0;z-index:60;height:var(--hdr);background:var(--char);color:var(--fg);transition:background .45s var(--ease-out)}
.hdr .wrap{height:100%;display:flex;align-items:center;gap:28px}
.hdr .mark{display:flex;align-items:center;gap:14px;text-decoration:none;margin-right:auto}
.hdr .logo-mark{height:24px;width:auto;color:#fff}
.hdr .mark .nm{font:500 .62rem/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.hdr nav{display:flex;gap:clamp(18px,2.4vw,36px)}
.hdr nav a,.hdr .cta{font:500 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;text-decoration:none;color:#c9d0d3;position:relative;padding:8px 0}
.hdr nav a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .45s var(--ease-out)}
.hdr nav a[aria-current="page"]{color:#fff}.hdr nav a[aria-current="page"]::after{transform:scaleX(1)}
.hdr .cta{color:#fff;border:1px solid rgba(255,255,255,.28);padding:12px 16px;transition:background .3s,border-color .3s,color .3s}
.hdr .menu{display:none}
.hdr .nav-contact{display:none}
.hdr.fx{position:fixed;left:0;right:0}
.hdr.over{background:transparent}
@media (hover:hover) and (pointer:fine){.hdr nav a:hover::after{transform:scaleX(1);transform-origin:left}.hdr nav a:hover{color:#fff}.hdr .cta:hover{background:#fff;color:var(--char);border-color:#fff}}
@media (max-width:900px){
  .hdr nav,.hdr .cta,.hdr .mark .nm{display:none}
  .hdr .menu{display:flex;align-items:center;gap:10px;background:none;border:0;color:#fff;font:500 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;padding:12px 0;min-height:44px}
  .hdr .menu i{display:block;width:20px;height:1px;background:currentColor;box-shadow:0 -6px 0 currentColor,0 6px 0 currentColor;transition:transform .3s,box-shadow .3s}
  .hdr.open{background:var(--char)}
  .hdr.open .menu i{transform:rotate(45deg);box-shadow:none}
  .hdr.open nav{display:flex;flex-direction:column;gap:0;position:fixed;top:var(--hdr);left:0;right:0;bottom:0;background:var(--char);padding:20px var(--pad) 40px;overflow:auto}
  .hdr.open nav .nav-contact{display:block}
  .hdr.open nav a{font:500 clamp(2.4rem,11vw,3.4rem)/1 var(--sans);font-stretch:88%;letter-spacing:-.02em;text-transform:uppercase;color:#fff;padding:18px 0;border-bottom:1px solid var(--rule-d);opacity:0;transform:translateY(16px);animation:mnu .6s var(--ease-out) forwards}
  .hdr.open nav a::after{display:none}
  .hdr.open nav a:nth-child(2){animation-delay:.05s}.hdr.open nav a:nth-child(3){animation-delay:.1s}.hdr.open nav a:nth-child(4){animation-delay:.15s}.hdr.open nav a:nth-child(5){animation-delay:.2s}
}
@keyframes mnu{to{opacity:1;transform:none}}

/* ---------- links & buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:12px;min-height:48px;padding:0 22px;background:var(--ink);color:var(--paper);text-decoration:none;font:500 .74rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--ink);cursor:pointer;transition:background .3s,color .3s,border-color .3s,transform .16s var(--ease-out)}
.btn::after{content:"→";font-family:var(--sans);font-size:1rem;letter-spacing:0;transition:transform .35s var(--ease-out)}
.btn.line{background:transparent;color:inherit;border-color:currentColor}
.dark .btn:not(.line),.dark2 .btn:not(.line),.hero .btn:not(.line){background:var(--paper);color:var(--ink);border-color:var(--paper)}
.btn:active{transform:scale(.97)}
@media (hover:hover) and (pointer:fine){.btn:hover::after{transform:translateX(4px)}.btn.line:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}.dark .btn.line:hover,.hero .btn.line:hover,.dark2 .btn.line:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}}
.btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ---------- hero (home) ---------- */
.hero{position:relative;height:100vh;height:100svh;min-height:600px;background:#000;color:#fff;overflow:hidden}
.hero video,.hero .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero video{opacity:0;transition:opacity 1.8s}
.hero video.on{opacity:1}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45) 0%,rgba(0,0,0,0) 22%,rgba(0,0,0,0) 46%,rgba(0,0,0,.75) 100%)}
.hero .inner{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:0 var(--pad) clamp(26px,5vh,56px);max-width:var(--max);margin:0 auto}
.hero h1{font-size:clamp(3.2rem,11.4vw,12.5rem);line-height:.84;font-stretch:84%;letter-spacing:-.035em}
.hero .row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px 48px;flex-wrap:wrap;margin-top:clamp(18px,3vh,32px);padding-top:18px;border-top:1px solid rgba(255,255,255,.24)}
.hero .row .lede{color:#d6dcde;max-width:44ch;font-size:clamp(.98rem,1.15vw,1.1rem)}
.hero .row .btns{margin:0}
.anno{position:absolute;z-index:1;font:400 .62rem/1.6 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.66)}
.anno.tl{top:calc(var(--hdr) + 22px);left:var(--pad)}
.anno.tr{top:calc(var(--hdr) + 22px);right:var(--pad);text-align:right}
@media (max-width:760px){.hero h1{font-size:clamp(3rem,15.2vw,5.4rem)}.anno.tr{display:none}.hero .row{flex-direction:column;align-items:flex-start}}

/* staged entrance after the loader */
.enter>*{opacity:0;transform:translateY(28px)}
html:not(.ld-wait) .enter>*{animation:rise 1.2s var(--ease-out) forwards}
html:not(.ld-wait) .enter>*:nth-child(2){animation-delay:.14s}
html:not(.ld-wait) .enter>*:nth-child(3){animation-delay:.3s}
html:not(.ld-wait) .anno{animation:fadein 1.2s .5s var(--ease-out) both}
@keyframes rise{to{opacity:1;transform:none}}
@keyframes fadein{from{opacity:0}}
@media (prefers-reduced-motion:reduce){.enter>*{opacity:1;transform:none;animation:none!important}}

/* ---------- service index (home) ---------- */
.svc-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.svc-list li{border-bottom:1px solid var(--rule)}
.svc-list a{display:grid;grid-template-columns:72px minmax(0,1fr) minmax(0,36%) 40px;align-items:center;gap:24px;padding:clamp(22px,3vw,38px) 0;text-decoration:none;transition:padding .45s var(--ease-out)}
.svc-list .n{font:500 .74rem/1 var(--mono);letter-spacing:.12em;color:var(--accent-ink)}
.svc-list h3{font-size:clamp(1.6rem,3.2vw,3rem)}
.svc-list p{margin:0;color:var(--ink-2);font-size:.98rem}
.svc-list .ar{font-size:1.4rem;justify-self:end;transition:transform .45s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.svc-list a:hover{padding-left:14px}.svc-list a:hover .ar{transform:translateX(6px)}}
@media (max-width:760px){.svc-list a{grid-template-columns:36px minmax(0,1fr) 24px;gap:12px}.svc-list p{grid-column:2/3}.svc-list .ar{grid-row:1;grid-column:3}}

/* ---------- full-bleed photo moment ---------- */
.moment{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;background:#000}
.moment .bg{position:absolute;inset:-8% 0;background:center/cover no-repeat;will-change:transform}
.moment::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.3),rgba(0,0,0,.2) 40%,rgba(0,0,0,.85))}
.moment .wrap{position:relative;z-index:1;width:100%;padding-bottom:clamp(40px,8vh,90px)}
.moment h2{max-width:14ch}
.moment .principles{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,48px);margin-top:clamp(36px,5vw,64px);padding-top:22px;border-top:1px solid rgba(255,255,255,.24)}
.moment .principles h3{font-size:1.15rem;letter-spacing:-.01em}
.moment .principles p{color:#c8cfd2;font-size:.95rem;margin:10px 0 0}
@media (max-width:900px){.moment .principles{grid-template-columns:1fr}}

/* ---------- signature 3D (home) ---------- */
.sig{position:relative;background:var(--graphite);color:var(--fg)}
.sig-stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:radial-gradient(ellipse 90% 80% at 55% 40%,#1d2328 0%,var(--graphite) 70%)}
#obj-canvas{position:absolute;inset:0;width:100%;height:100%}
.obj-poster{display:none}
#obj.obj-static .obj-poster{display:block;position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.6}
.sig-stage::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(0deg,rgba(20,24,27,.95) 0%,rgba(20,24,27,.55) 28%,rgba(20,24,27,0) 52%),linear-gradient(90deg,rgba(20,24,27,.55) 0%,rgba(20,24,27,0) 42%)}
@media (max-width:760px){.sig-stage::after{background:linear-gradient(0deg,rgba(20,24,27,.97) 0%,rgba(20,24,27,.82) 38%,rgba(20,24,27,0) 62%)}}
.sig-hud{position:absolute;left:0;right:0;top:calc(var(--hdr) + 20px);z-index:2;pointer-events:none}
.sig-hud .wrap{display:flex;justify-content:space-between;align-items:flex-start;gap:20px}
.chaps{display:flex;gap:clamp(10px,2vw,28px);list-style:none;margin:0;padding:0}
.chaps li{font:500 .66rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#5f686e;padding-top:10px;border-top:1px solid #343b40;min-width:clamp(56px,8vw,110px);transition:color .5s,border-color .5s}
.chaps li.on{color:#fff;border-color:var(--accent)}
.chaps li.done{color:#9aa3a8;border-color:#5f686e}
.sig-skip{pointer-events:auto;font:500 .66rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#c9d0d3;text-decoration:none;border:1px solid #3a4146;padding:0 14px;background:rgba(20,24,27,.6);min-height:44px;display:inline-flex;align-items:center}
@media (hover:hover) and (pointer:fine){.sig-skip:hover{color:#fff;border-color:#fff}}
.sig-steps{position:relative;z-index:1;margin-top:-100vh;margin-top:-100svh}
.step{height:100vh;height:100svh;display:flex;align-items:flex-end;pointer-events:none}
.step .wrap{width:100%}
.step .cap{padding-bottom:clamp(28px,7vh,72px);max-width:640px;opacity:0;transform:translateY(22px);transition:opacity 1s var(--ease-out),transform 1s var(--ease-out);pointer-events:auto}
.step.on .cap{opacity:1;transform:none}
.step .stage{font:500 .7rem/1.5 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.step .stage span{color:#7f888d}
.step h2{margin-top:14px;font-size:clamp(2.3rem,5vw,4.6rem)}
.step p{color:#bcc4c7;margin:16px 0 0;max-width:46ch}
.step .help{margin-top:16px;font:500 .68rem/1.8 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:#d4dadc}
.step .help b{color:var(--accent);font-weight:500}
.step .bar{height:1px;background:#3a4146;margin-top:22px;width:min(320px,60vw)}
.step .bar i{display:block;height:100%;background:#fff;transform-origin:left;transform:scaleX(0)}
.sig-note{font:400 .64rem/1.6 var(--mono);letter-spacing:.08em;color:#7f888d;margin:0;padding:18px 0 30px;border-top:1px solid var(--rule-d)}
@media (prefers-reduced-motion:reduce){.step .cap{opacity:1;transform:none}}
.sig-stage.obj-static~.sig-steps .cap{opacity:1;transform:none}
@media (max-width:760px){.chaps{width:100%}.chaps li{min-width:0;flex:1;font-size:.56rem;letter-spacing:.1em}.sig-hud .wrap{flex-direction:column}.sig-skip{position:absolute;right:var(--pad);top:44px}.step .cap p{font-size:.95rem}}

/* ---------- numbers ---------- */
.nums{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--rule)}
.nums>div{padding:28px 24px 0 0}
.num{font:400 clamp(3.4rem,7.4vw,7.4rem)/.86 var(--sans);font-stretch:84%;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.num-t{font:500 .68rem/1.5 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin-top:16px;max-width:22ch}
.dark2 .nums,.dark .nums{border-color:var(--rule-d)}.dark2 .num-t,.dark .num-t{color:var(--steel)}
@media (max-width:900px){.nums{grid-template-columns:1fr 1fr;row-gap:36px}}

/* ---------- project cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,32px)}
.card{text-decoration:none;display:block}
.card .ph{aspect-ratio:4/5;overflow:hidden;background:#1a1f23;position:relative}
.card .ph>.img{position:absolute;inset:0;background:center/cover no-repeat;transition:transform 1.1s var(--ease-out)}
.card .meta{display:flex;justify-content:space-between;gap:12px;margin-top:16px;font:500 .66rem/1.4 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.card h3{margin-top:10px;font-size:clamp(1.3rem,1.8vw,1.7rem)}
@media (hover:hover) and (pointer:fine){.card:hover .ph>.img{transform:scale(1.045)}}
@media (max-width:900px){.cards{grid-template-columns:1fr}.card .ph{aspect-ratio:4/3}}
.drawpanel{position:absolute;inset:0;background:var(--graphite);display:grid;place-items:center;color:#cfd6d9;padding:12%}

/* line drawings */
.draw{width:100%;height:auto;color:currentColor;overflow:visible}
.draw path,.draw rect,.draw line,.draw circle{fill:none;stroke:currentColor;stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round}
.draw .hi{stroke:var(--accent);stroke-width:1.6}
.draw .soft{opacity:.4}
.draw text{font:500 8.5px var(--mono);letter-spacing:.1em;fill:currentColor;stroke:none;opacity:.75}

/* ---------- page heads ---------- */
.phead{padding:clamp(100px,13vw,190px) 0 clamp(40px,6vw,80px)}
.phead h1{max-width:12ch}
.phead .lede{margin-top:clamp(24px,3vw,40px)}

/* ---------- services (editorial) ---------- */
.svc{padding:clamp(56px,8vw,120px) 0;border-top:1px solid var(--rule)}
.svc .num-big{font:400 clamp(4rem,9vw,9rem)/.8 var(--sans);font-stretch:80%;letter-spacing:-.04em;color:var(--accent-ink)}
.svc h2{font-size:clamp(2rem,4.2vw,4rem);margin-top:22px}
.svc .pitch{font:400 clamp(1.15rem,1.6vw,1.45rem)/1.4 var(--sans);letter-spacing:-.01em;margin-top:22px;max-width:30ch}
.svc .pic{aspect-ratio:3/2;background:#1a1f23 center/cover no-repeat;position:relative;overflow:hidden}
.svc .pic.drawing{display:grid;place-items:center}
.svc details{margin-top:28px;border-top:1px solid var(--rule)}
.svc summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;min-height:56px;font:500 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase}
.svc summary::-webkit-details-marker{display:none}
.svc summary::after{content:"+";font:300 1.6rem/1 var(--sans);transition:transform .4s var(--ease-out)}
.svc details[open] summary::after{transform:rotate(45deg)}
.svc ul{list-style:none;margin:0;padding:0 0 10px}
.svc li{padding:12px 0;border-top:1px solid var(--rule);color:var(--ink-2);font-size:.96rem}
.svc .who{margin-top:22px;font-size:.95rem;color:var(--ink-2)}
.svc .ask{display:inline-flex;align-items:center;min-height:44px;margin-top:8px;font:500 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);text-decoration:none}
.svc .side{position:sticky;top:calc(var(--hdr) + 32px);align-self:start}
@media (max-width:900px){.svc .side{position:static}.svc .pic{margin-top:32px}}
.clients{font-size:1rem;color:var(--ink-2);max-width:80ch}.clients b{color:var(--ink);font-weight:500}

/* ---------- case study ---------- */
.case-hero{position:relative;height:88vh;height:88svh;min-height:520px;color:#fff;overflow:hidden;background:#000;display:flex;align-items:flex-end}
.case-hero .bg{position:absolute;inset:-6% 0;background:center/cover no-repeat;will-change:transform}
.case-hero .bg.drawbg{background:var(--graphite);display:grid;place-items:center;color:#9fb0b6;padding:10% 12% 22%}
.case-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.35),rgba(0,0,0,0) 30%,rgba(0,0,0,.82))}
.case-hero .wrap{position:relative;z-index:1;width:100%;padding-bottom:clamp(36px,7vh,80px)}
.case-hero h1{font-size:clamp(2.4rem,5.4vw,5.8rem);max-width:19ch;margin-top:18px}
.facts{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--rule);margin:0}
.facts div{padding:20px 20px 0 0}
.facts dt{font:500 .64rem/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2)}
.facts dd{margin:8px 0 0;font-size:1rem}
@media (max-width:760px){.facts{grid-template-columns:1fr 1fr;row-gap:20px}}
.story{row-gap:28px}
.story .t{font:500 .7rem/1.6 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);padding-top:6px}
.story p{font-size:1.08rem;color:#2c3236;max-width:62ch;margin:0}
.figure{margin:0}
.figure figcaption{font:500 .64rem/1.5 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2);margin-top:22px}
.attr{font-size:.85rem;color:#6d7378;border-top:1px solid var(--rule);padding-top:16px;margin-top:48px;max-width:70ch}
.next{display:flex;justify-content:space-between;align-items:center;gap:20px;text-decoration:none;padding:clamp(40px,6vw,80px) 0}
.next .d2{font-size:clamp(2rem,5vw,4.6rem)}
.next .ar{font-size:clamp(2rem,4vw,3.4rem);transition:transform .5s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.next:hover .ar{transform:translateX(10px)}}

/* ---------- about ---------- */
.portrait-panel{background:var(--paper-2);aspect-ratio:4/5;display:flex;align-items:flex-end;justify-content:center;overflow:hidden}
.portrait-panel img{width:100%;height:auto;filter:grayscale(1) contrast(1.06)}
.dark .portrait-panel,.dark2 .portrait-panel{background:var(--graphite-2)}
.timeline{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.timeline li{display:grid;grid-template-columns:150px minmax(0,1fr);gap:20px;padding:18px 0;border-bottom:1px solid var(--rule)}
.timeline .when{font:500 .68rem/1.7 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}
.timeline .when.now{color:var(--accent-ink)}
.timeline b{font-weight:500;display:block}
.timeline span{color:var(--ink-2);font-size:.95rem}
@media (max-width:600px){.timeline li{grid-template-columns:1fr;gap:4px}}
.pull .num{font-size:clamp(3rem,5.4vw,5.4rem)}

/* ---------- closing contact ---------- */
.closing .big{display:inline-block;font:500 clamp(3.4rem,12vw,13rem)/.84 var(--sans);font-stretch:82%;letter-spacing:-.04em;text-transform:uppercase;text-decoration:none;color:#fff}
.closing .big span{display:inline-block;transition:transform .6s var(--ease-out)}
@media (hover:hover) and (pointer:fine){.closing .big:hover span{transform:translateX(.06em)}}
.closing .mailline{display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;margin-top:clamp(28px,4vw,48px);padding-top:20px;border-top:1px solid var(--rule-d)}
.closing .mailline a.mail{font:400 clamp(1.15rem,2vw,1.7rem)/1 var(--sans);color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:4px}
.copy{font:500 .68rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;padding:0 16px;min-height:44px;background:none;color:inherit;border:1px solid var(--rule-d);cursor:pointer;transition:border-color .2s,transform .16s var(--ease-out)}
.copy:active{transform:scale(.97)}
@media (hover:hover) and (pointer:fine){.copy:hover{border-color:#fff}}
.details{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 24px;margin:clamp(40px,5vw,72px) 0 0}
.details dt{font:500 .64rem/1.4 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--steel)}
.details dd{margin:8px 0 0}
@media (max-width:760px){.details{grid-template-columns:1fr 1fr}}

/* ---------- footer ---------- */
.ftr{background:var(--char);color:var(--steel);font-size:.9rem;padding:clamp(48px,6vw,80px) 0 28px;border-top:1px solid var(--rule-d)}
.ftr .grid{row-gap:32px}
.ftr .logo-mark{height:28px;width:auto;color:#fff}
.ftr a{color:#d4dadc;text-decoration:none;display:block;padding:6px 0}
.ftr .h{font:500 .64rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#6c757a;margin-bottom:12px}
.ftr .base{margin-top:clamp(40px,5vw,72px);padding-top:18px;border-top:1px solid var(--rule-d);font-size:.76rem;line-height:1.6;color:#6c757a;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- reveals (one observer in site.js) ---------- */
@media (prefers-reduced-motion:no-preference){
  .rv{opacity:0;transform:translateY(30px);transition:opacity 1s var(--ease-out),transform 1s var(--ease-out)}
  .rv.in{opacity:1;transform:none}
  [data-split] .w{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
  [data-split] .w>i{display:inline-block;font-style:normal;transform:translateY(108%);transition:transform 1.1s var(--ease-out)}
  [data-split].in .w>i{transform:none}
  .draw path{stroke-dasharray:1 1;stroke-dashoffset:1}
  .draw.in path{animation:drawin 2.2s var(--ease-inout) forwards}
  .draw.in path:nth-child(n+4){animation-delay:.3s}
  .draw.in path:nth-child(n+8){animation-delay:.6s}
  @keyframes drawin{to{stroke-dashoffset:0}}
  .draw text{opacity:0;transition:opacity 1s 1.4s}
  .draw.in text{opacity:.75}
  .reveal{clip-path:inset(100% 0 0 0);transition:clip-path 1.4s var(--ease-heavy)}
  .reveal.in{clip-path:inset(0)}
}

/* drawing markers and notes */
.draw .mk{stroke-width:1.2}
.draw text.mk{font-size:11px;opacity:1;font-weight:600}
.notes{list-style:none;counter-reset:n;margin:28px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 32px;border-top:1px solid var(--rule);padding-top:20px}
.notes li{counter-increment:n;position:relative;padding-left:34px;font-size:.95rem;color:var(--ink-2)}
.notes li::before{content:counter(n);position:absolute;left:0;top:-1px;width:22px;height:22px;border:1px solid currentColor;border-radius:50%;display:grid;place-items:center;font:600 .7rem/1 var(--mono);color:var(--ink)}
.notes b{display:block;font:500 .7rem/1.6 var(--mono);letter-spacing:.12em;color:var(--accent-ink)}
@media (max-width:760px){.notes{grid-template-columns:1fr}}
/* CAD drawing panels (dark, blueprint grid) */
.figure,.svc .pic.drawing{background-color:#0d1215;background-image:linear-gradient(rgba(110,190,215,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(110,190,215,.055) 1px,transparent 1px);background-size:22px 22px;color:#c9dde4}
.svc .pic.drawing{padding:3%}
.figure{padding:clamp(14px,3vw,40px)}
.figure figcaption{color:#7f969e}
.draw.cad path,.draw.cad circle{stroke-width:.8}
.draw.cad .hi{stroke:#56c8e8;stroke-width:1.15}
.draw.cad .dim{stroke-width:.5;opacity:.75}
.draw.cad .cl{stroke-width:.5;stroke-dasharray:14 3 2 3;opacity:.55}
.draw.cad .hid{stroke-width:.55;stroke-dasharray:4 3;opacity:.55}
.draw.cad .soft{opacity:.38}
.draw.cad .hat{stroke:none;opacity:.42}
.draw.cad .hat.lite{opacity:.22}
.draw.cad pattern line,.draw.cad pattern circle{stroke:currentColor;stroke-width:.5;fill:none;stroke-dasharray:none}
.draw.cad pattern circle{fill:currentColor;stroke:none}
.draw.cad .dot{fill:currentColor;stroke:none}
.draw.cad text{font:500 7px var(--mono);letter-spacing:.06em;opacity:.85}
.draw.cad text.sm{font-size:6px}
.draw.cad text.ttl{font-size:7.5px;font-weight:600;letter-spacing:.12em;fill:#e4eff3}
.draw.cad text.lg{font-size:11px;font-weight:600}
.draw.cad text.mk{font-size:10px;font-weight:600;fill:#56c8e8}
.draw.cad .mk{stroke:#56c8e8}
.figure .notes{border-top-color:rgba(160,200,215,.18)}
.figure .notes li{color:#b6c6cc}
.figure .notes li::before{color:#e4eff3}
.figure .notes b{color:#56c8e8}
.figure.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:760px){.figure .draw.cad{min-width:680px}}

/* site photo galleries */
.gal-h{margin-top:clamp(56px,8vw,110px);margin-bottom:22px}
.gal{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(10px,1.6vw,22px)}
.gal figure{margin:0}
.gal img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#1a1f23}
.gal figcaption{font:500 .64rem/1.5 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin-top:10px}
@media (max-width:760px){.gal{grid-template-columns:1fr 1fr}}
@media (prefers-reduced-motion:no-preference){
  .draw.cad text{opacity:0;transition:opacity 1s 1.2s}
  .draw.cad.in text{opacity:.85}
  .draw.cad .hat{opacity:0;transition:opacity 1.4s 1s}
  .draw.cad.in .hat{opacity:.42}
  .draw.cad.in .hat.lite{opacity:.22}
}
.swipe{display:none}
@media (max-width:760px){.swipe{display:inline}}

/* hero legibility, reliable entrance, pause control, proof strip */
.hero::after{background:linear-gradient(180deg,rgba(0,0,0,.62) 0%,rgba(0,0,0,.18) 26%,rgba(0,0,0,.22) 48%,rgba(0,0,0,.88) 100%),rgba(0,0,0,.12)}
.hero .anno,.hero .row .lede{text-shadow:0 1px 12px rgba(0,0,0,.6)}
.hero .row .lede{color:#e6eaec}
html:not(.ld-wait) .enter>*{animation-duration:.8s}
html:not(.ld-wait) .enter>*:nth-child(2){animation-delay:.08s}
html:not(.ld-wait) .enter>*:nth-child(3){animation-delay:.16s}
.ld-skip .enter>*,.ld-skip .anno{opacity:1;transform:none;animation:none!important}
.vid-toggle{position:absolute;z-index:2;right:var(--pad);top:calc(var(--hdr) + 14px);display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:0 12px;background:rgba(0,0,0,.45);color:#fff;border:1px solid rgba(255,255,255,.35);font:500 .62rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.vid-toggle .ic{width:9px;height:10px;border-left:3px solid #fff;border-right:3px solid #fff}
.vid-toggle[aria-pressed="true"] .ic{border:0;border-left:9px solid #fff;border-top:5px solid transparent;border-bottom:5px solid transparent;width:0;height:0}
@media (hover:hover) and (pointer:fine){.vid-toggle:hover{border-color:#fff}}
@media (max-width:760px){.vid-toggle .lb{display:none}.vid-toggle{min-width:44px;min-height:44px;justify-content:center;padding:0}}
@media (prefers-reduced-motion:reduce){.vid-toggle{display:none}}
.proof{background:#0b0d0f;color:#cfd6d9;border-top:1px solid #1f2529}
.proof ul{list-style:none;margin:0;padding:18px 0;display:flex;flex-wrap:wrap;gap:10px 0}
.proof li{font:500 .66rem/1.5 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#8d989d;padding-right:22px;margin-right:22px;border-right:1px solid #2a3135}
.proof li:last-child{border-right:0}
.proof b{color:#fff;font-weight:600}
@media (max-width:760px){.proof ul{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}.proof li{border:0;padding:0;margin:0}}
/* shorter chapter journey, clearer skip */
.step{height:78vh;height:78svh}
.sig-skip{color:#fff;border-color:var(--accent);background:rgba(13,95,122,.35)}
.vid-toggle{top:calc(var(--hdr) + 74px)}
@media (max-width:760px){.vid-toggle{top:calc(var(--hdr) + 12px)}}
/* video backgrounds in moments + licence credit */
.moment .vbg video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.moment .credit{position:absolute;z-index:2;top:calc(var(--hdr) + 14px);right:var(--pad);max-width:46ch;margin:0;text-align:right;font:400 .58rem/1.5 var(--mono);letter-spacing:.06em;color:rgba(255,255,255,.62)}
.moment .credit a{color:inherit;text-decoration:underline;text-underline-offset:2px}
@media (max-width:760px){.moment .credit{left:var(--pad);text-align:left}}
.moment .credit{background:rgba(0,0,0,.55);padding:6px 9px;color:rgba(255,255,255,.8)}
.ftr .credits{margin:14px 0 0;font:400 .55rem/1.4 var(--mono);letter-spacing:.02em;color:#545c61}
@media (min-width:1140px){.ftr .credits{white-space:nowrap}}
.ftr .credits a{color:inherit;text-decoration:underline;text-underline-offset:2px}


/* review round 3 */
.cards:has(> :nth-child(4)){grid-template-columns:repeat(2,1fr)}
@media (max-width:900px){.cards:has(> :nth-child(4)){grid-template-columns:1fr}}
.direct{margin-top:22px;font-size:clamp(1rem,1.2vw,1.12rem);color:var(--ink-2);max-width:52ch}
.direct b{color:var(--ink);font-weight:600}
.next-steps{list-style:none;margin:clamp(28px,4vw,48px) 0 0;padding:20px 0 0;border-top:1px solid rgba(255,255,255,.16);display:grid;grid-template-columns:repeat(3,1fr);gap:18px clamp(20px,3vw,40px)}
.next-steps li{font-size:.98rem;line-height:1.5;color:#c3cbce}
.next-steps b{display:block;color:#fff;font-weight:600;margin-bottom:6px}
@media (max-width:760px){.next-steps{grid-template-columns:1fr}}
.svc ul.key{list-style:none;margin:26px 0 0;padding:0}
.svc ul.key li{padding:12px 0 12px 22px;border-top:1px solid var(--rule);font-size:1rem;color:var(--ink);position:relative}
.svc ul.key li::before{content:"";position:absolute;left:0;top:21px;width:10px;height:1px;background:var(--accent-ink)}
.ab{margin:0 0 18px}
.ab b{display:block;font:600 .74rem/1.4 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);margin-bottom:4px}
.hdr.over{background:linear-gradient(180deg,rgba(0,0,0,.6),rgba(0,0,0,.25) 70%,rgba(0,0,0,0))}
.hero .row{position:relative}
.hero .row::before{content:"";position:absolute;inset:-30px -9999px -60px;background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.45) 40%);z-index:-1;pointer-events:none}
.step .help{font:400 .95rem/1.55 var(--sans);letter-spacing:0;text-transform:none;color:#d4dadc}
.step .help b{font-weight:600}
.ftr .credits a{display:inline;padding:0;margin:0;min-height:0;font:inherit;color:inherit}
.case-hero .bg.drawbg{padding:5% 10% 30%}.case-hero .bg.drawbg .draw{opacity:.4}
/* drawing heroes: brighter; on phones show a zoomed section in the space above the title */
.case-hero .bg.drawbg .draw{opacity:.6}
@media (max-width:760px){
  .case-hero .bg.drawbg{padding:0;place-items:start center;overflow:hidden}
  .case-hero .bg.drawbg .draw{width:230%;max-width:none;margin-top:calc(var(--hdr) + 6vh);transform:translateX(4%);opacity:.75}
}
.case-hero .role{margin:22px 0 0;max-width:62ch;font-size:clamp(.98rem,1.2vw,1.12rem);line-height:1.5;color:#dfe5e7;padding-top:16px;border-top:1px solid rgba(255,255,255,.22)}
.portrait-panel{background-color:#11161a;background-image:radial-gradient(ellipse 70% 60% at 50% 38%,rgba(86,200,232,.10),rgba(17,22,26,0) 70%),linear-gradient(rgba(110,190,215,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(110,190,215,.05) 1px,transparent 1px);background-size:auto,22px 22px,22px 22px}
.portrait-panel img{filter:grayscale(1) contrast(1.08) brightness(1.02)}
@media (prefers-reduced-motion:no-preference){
  .draw.cad.in path{animation-duration:1s}
  .draw.cad.in path:nth-child(n+4),.draw.cad.in path:nth-child(n+8){animation-delay:0s}
  .draw.cad text{transition:opacity .6s .35s}
  .draw.cad .hat{transition:opacity .8s .3s}
}
.obj-poster{display:block;position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:opacity .9s var(--ease-out);pointer-events:none}
#obj.obj-ready:not(.obj-static) .obj-poster{opacity:0}
.obj-seq{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;visibility:hidden}