:root{
  --ink:#0f0e0c; --ink2:#171512; --bone:#ece6dc; --stone:#d9d0c2; --brass:#c9a56c; --brass2:#e3c38e;
  --muted:rgba(236,230,220,.66); --line:rgba(236,230,220,.16);
  --serif:'Cormorant Garamond', 'Times New Roman', serif; --sans:'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ease:cubic-bezier(.22,.8,.2,1);
  --pad:clamp(20px,5vw,72px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--ink);color:var(--bone);font-family:var(--sans);font-weight:400;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:clip}
img{display:block;max-width:100%}
a{color:inherit}
em{font-style:italic;color:var(--brass2)}
.skip{position:absolute;left:8px;top:8px;clip-path:inset(50%);width:1px;height:1px;overflow:hidden;white-space:nowrap;z-index:60;background:var(--bone);color:var(--ink);padding:8px 14px;border-radius:4px}
.skip:focus{clip-path:none;width:auto;height:auto;overflow:visible}
.wrap{max-width:1320px;margin:0 auto;padding:0 var(--pad)}
.eyebrow{font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--brass);font-weight:500;margin-bottom:22px}
h1,h2,h3{font-family:var(--serif);font-weight:300;letter-spacing:-.01em;line-height:1.02}
h2{font-size:clamp(38px,5.4vw,82px)}
h3{font-size:clamp(24px,2.1vw,32px);font-weight:400}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font:500 12px/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;padding:17px 26px;border-radius:999px;transition:background .4s var(--ease),color .4s var(--ease),border-color .4s var(--ease),transform .4s var(--ease);cursor:pointer;border:1px solid transparent;white-space:nowrap}
.btn-solid{background:var(--brass);color:#14110d}
.btn-solid:hover{background:var(--brass2);transform:translateY(-1px)}
.btn-line{border-color:rgba(236,230,220,.35);color:var(--bone);padding:13px 20px;font-size:11px}
.btn-line:hover{border-color:var(--brass);color:var(--brass2)}

/* Nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px var(--pad);transition:background .5s var(--ease),backdrop-filter .5s,padding .5s var(--ease)}
.nav.solid{background:rgba(15,14,12,.78);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);padding-top:12px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font:500 14px/1 var(--sans);letter-spacing:.42em}
.brand svg{width:28px;height:28px;color:var(--brass)}
.links{display:flex;gap:34px}
.links a{font-size:12px;letter-spacing:.18em;text-transform:uppercase;text-decoration:none;color:var(--muted);transition:color .3s}
.links a:hover{color:var(--bone)}

/* ============ Build walkthrough ============ */
.build{position:relative;height:1100vh;background:var(--ink)}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;contain:strict}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block}
.veil{position:absolute;inset:0;pointer-events:none;background:
  linear-gradient(90deg,rgba(12,11,9,.66) 0%,rgba(12,11,9,.28) 34%,rgba(12,11,9,0) 58%),
  linear-gradient(0deg,rgba(12,11,9,.55) 0%,rgba(12,11,9,0) 30%),
  linear-gradient(180deg,rgba(12,11,9,.45) 0%,rgba(12,11,9,0) 18%)}
.stage[data-side="r"] .veil{background:
  linear-gradient(270deg,rgba(12,11,9,.66) 0%,rgba(12,11,9,.28) 34%,rgba(12,11,9,0) 58%),
  linear-gradient(0deg,rgba(12,11,9,.55) 0%,rgba(12,11,9,0) 30%),
  linear-gradient(180deg,rgba(12,11,9,.45) 0%,rgba(12,11,9,0) 18%)}
.grain{position:absolute;inset:0;pointer-events:none;opacity:.05;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.loader{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:18px;background:var(--ink);z-index:5;transition:opacity 1.1s var(--ease),visibility 1.1s;font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--muted)}
.loader i{display:block;width:140px;height:1px;background:var(--line);position:relative;overflow:hidden}
.loader i::after{content:"";position:absolute;inset:0;background:var(--brass);transform-origin:left;animation:load 1.6s var(--ease) infinite}
@keyframes load{0%{transform:scaleX(0)}60%{transform:scaleX(1)}100%{transform:scaleX(1);opacity:0}}
.loaded .loader{opacity:0;visibility:hidden}

.chapters{position:absolute;inset:0;pointer-events:none}
.ch{position:absolute;left:var(--pad);top:50%;max-width:min(520px,42vw);transform:translate3d(0,calc(-50% + var(--y,24px)),0);opacity:0;will-change:opacity,transform;visibility:hidden}
.ch[data-side="r"]{left:auto;right:calc(var(--pad) + 56px)}
.ch.vis{visibility:visible}
.ch.on{pointer-events:auto}
.ch h2{font-size:clamp(40px,4.6vw,74px);margin:10px 0 22px;text-shadow:0 2px 30px rgba(0,0,0,.35)}
.ch p{color:rgba(236,230,220,.82);font-size:clamp(15px,1.15vw,17px);max-width:440px;text-shadow:0 1px 18px rgba(0,0,0,.5)}
.ch .num{font:500 11px/1 var(--sans);letter-spacing:.3em;color:var(--brass);text-transform:uppercase;display:flex;gap:14px;align-items:center}
.ch .num span{color:var(--muted)}
.ch .num::after{content:"";width:48px;height:1px;background:rgba(201,165,108,.6)}
.ch-hero{max-width:min(760px,64vw)}
.ch-hero h1{font-size:clamp(54px,8.4vw,138px);margin-bottom:28px;text-shadow:0 2px 40px rgba(0,0,0,.35)}
.ch-hero .lede{font-size:clamp(16px,1.3vw,19px);max-width:480px}
.cta-row{display:flex;align-items:center;gap:28px;margin-top:38px;flex-wrap:wrap}
.scrollcue{display:flex;align-items:center;gap:14px;font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.scrollcue i{width:1px;height:42px;background:linear-gradient(var(--brass),transparent);position:relative;overflow:hidden}
.scrollcue i::after{content:"";position:absolute;left:-1px;width:3px;height:10px;background:var(--brass2);animation:cue 2.2s var(--ease) infinite}
@keyframes cue{0%{top:-10px}100%{top:42px}}
.ch-end .btn{margin-top:30px}
.meter{display:flex;align-items:baseline;gap:12px;margin-top:26px}
.meter b{font:300 clamp(64px,7vw,108px)/1 var(--serif);color:var(--bone);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.meter span{font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--brass)}

.hud{position:absolute;left:var(--pad);right:var(--pad);bottom:28px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:22px;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);pointer-events:none;opacity:0;transition:opacity .8s var(--ease)}
.hud.show{opacity:1}
.hud-stage span{color:var(--bone)}
.hud-bar{height:1px;background:var(--line);position:relative}
.hud-bar i{position:absolute;inset:0;background:linear-gradient(90deg,var(--brass),var(--brass2));transform-origin:left;transform:scaleX(0)}
.hud-meta{display:flex;gap:10px}
.hud-meta span:first-child{color:var(--bone);font-variant-numeric:tabular-nums;min-width:3.2ch;text-align:right}

.rail{position:absolute;right:calc(var(--pad) - 14px);top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;z-index:3;opacity:0;transition:opacity .8s var(--ease)}
.rail.show{opacity:1}
.rail button{all:unset;cursor:pointer;display:flex;align-items:center;justify-content:flex-end;gap:12px;padding:7px 8px;font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:rgba(236,230,220,.0);transition:color .4s}
.rail button::after{content:"";width:14px;height:1px;background:rgba(236,230,220,.4);transition:width .45s var(--ease),background .45s}
.rail button.on::after{width:34px;background:var(--brass2)}
.rail button.on,.rail:hover button{color:rgba(236,230,220,.75)}
.rail button:hover{color:var(--bone)}
.rail button:focus-visible{outline:1px solid var(--brass);outline-offset:2px}

.stage.nogl{background:#1a1714 url(img/tower-1800.webp) center/cover no-repeat}
.stage.nogl #scene{display:none}

/* ============ Sections ============ */
section:not(.build){position:relative;padding:clamp(96px,14vw,190px) 0}
.reveal{opacity:0;transform:translate3d(0,34px,0);transition:opacity 1.2s var(--ease),transform 1.2s var(--ease)}
.reveal.in{opacity:1;transform:none}

.intro{background:linear-gradient(180deg,#0c0b09,var(--ink))}
.big{font-size:clamp(36px,4.8vw,76px);max-width:1100px;line-height:1.08}
.promises{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:clamp(64px,8vw,120px);border-top:1px solid var(--line)}
.promises>div{padding:34px 28px 10px 0;border-right:1px solid var(--line);margin-right:28px}
.promises>div:last-child{border-right:0;margin-right:0}
.promises span{font:300 22px/1 var(--serif);color:var(--brass)}
.promises h3{margin:18px 0 12px;font-size:26px}
.promises p{color:var(--muted);font-size:15px}
.promises>div:nth-child(2){transition-delay:.08s}.promises>div:nth-child(3){transition-delay:.16s}.promises>div:nth-child(4){transition-delay:.24s}

.sec-head{display:grid;gap:4px;margin-bottom:clamp(48px,6vw,90px);max-width:980px}
.note{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-top:16px}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(18px,2vw,30px)}
.card{position:relative;display:block;text-decoration:none;overflow:hidden;border-radius:2px;aspect-ratio:4/3.1;background:#1b1916;isolation:isolate}
.card figure{position:absolute;inset:0;overflow:hidden}
.card img{width:100%;height:100%;object-fit:cover;transform:scale(1.04);transition:transform 1.6s var(--ease),filter 1.2s;filter:brightness(.72) saturate(.85)}
.card::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,9,8,.9) 0%,rgba(10,9,8,.15) 55%,rgba(10,9,8,0));z-index:1}
.card-t{position:absolute;left:0;right:0;bottom:0;padding:clamp(22px,3vw,40px);z-index:2}
.card-t span{font:300 18px/1 var(--serif);color:var(--brass)}
.card-t h3{margin:12px 0 10px;font-size:clamp(28px,2.6vw,40px)}
.card-t p{color:rgba(236,230,220,.78);max-width:420px;font-size:15px}
.card-t b{display:inline-block;margin-top:18px;font:500 11px/1 var(--sans);letter-spacing:.22em;text-transform:uppercase;color:var(--brass2);opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.card:hover img,.card:focus-visible img{transform:scale(1.1);filter:brightness(.82) saturate(.95)}
.card:hover b,.card:focus-visible b{opacity:1;transform:none}
.card:focus-visible{outline:1px solid var(--brass);outline-offset:4px}
.cards .card:nth-child(even){transition-delay:.1s}

.method{background:#12110e}
.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,110px);align-items:start}
.m-media{position:sticky;top:12vh;height:76vh}
.m-frame{position:relative;height:100%;overflow:hidden;border-radius:2px;background:#1b1916}
.m-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.06);transition:opacity 1.1s var(--ease),transform 2.2s var(--ease);filter:brightness(.8) saturate(.85)}
.m-frame img.on{opacity:1;transform:scale(1)}
.m-count{position:absolute;left:24px;bottom:22px;font-size:11px;letter-spacing:.26em;color:var(--muted)}
.m-count b{font:300 30px/1 var(--serif);color:var(--bone);letter-spacing:0;margin-right:4px}
.m-steps ol{list-style:none;margin-top:60px;border-top:1px solid var(--line)}
.m-steps li{display:grid;grid-template-columns:64px 1fr;gap:12px;padding:clamp(30px,6vh,58px) 0;border-bottom:1px solid var(--line);opacity:.38;transition:opacity .7s var(--ease)}
.m-steps li.active{opacity:1}
.m-steps li>span{font:300 24px/1.2 var(--serif);color:var(--brass)}
.m-steps li p{color:var(--muted);margin-top:10px;max-width:440px}

.work{padding-bottom:clamp(60px,8vw,120px)}
.projects{display:grid;gap:clamp(70px,10vw,150px)}
.proj{display:grid;grid-template-columns:1.5fr 1fr;align-items:end;gap:clamp(28px,4vw,70px);padding:0 var(--pad);max-width:1480px;margin:0 auto;width:100%}
.proj:nth-child(even){grid-template-columns:1fr 1.5fr}
.proj:nth-child(even) figure{order:2}
.proj figure{overflow:hidden;aspect-ratio:16/10;background:#1b1916}
.proj img{width:100%;height:100%;object-fit:cover;transform:scale(1.12);transition:transform 2.4s var(--ease);filter:brightness(.86) saturate(.9)}
.proj.in img{transform:scale(1)}
.proj .num{font:300 22px/1 var(--serif);color:var(--brass)}
.proj h3{font-size:clamp(36px,4vw,64px);margin:14px 0 10px;font-weight:300}
.proj .meta{font-size:11px;letter-spacing:.24em;text-transform:uppercase;color:var(--brass2);margin-bottom:18px}
.proj-t p:last-child{color:var(--muted);max-width:400px}

.tender{background:linear-gradient(180deg,var(--ink),#16130f)}
.tender-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(40px,7vw,120px);align-items:start}
.t-copy>p:not(.eyebrow){color:var(--muted);max-width:440px;margin-top:26px}
.t-list{list-style:none;margin-top:36px;display:grid;gap:12px}
.t-list li{display:flex;gap:14px;align-items:center;font-size:15px}
.t-list li::before{content:"";width:22px;height:1px;background:var(--brass)}
.t-form{display:grid;gap:22px;padding:clamp(26px,3.4vw,48px);border:1px solid var(--line);background:rgba(236,230,220,.025)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.t-form label{display:grid;gap:8px}
.t-form label>span,.t-form legend{font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
.t-form input,.t-form select,.t-form textarea{font:400 16px/1.4 var(--sans);color:var(--bone);background:transparent;border:0;border-bottom:1px solid rgba(236,230,220,.28);padding:10px 0;border-radius:0;outline:none;transition:border-color .3s;width:100%;-webkit-appearance:none;appearance:none}
.t-form select{background-image:linear-gradient(45deg,transparent 50%,var(--brass) 50%),linear-gradient(135deg,var(--brass) 50%,transparent 50%);background-position:calc(100% - 10px) 55%,calc(100% - 5px) 55%;background-size:5px 5px;background-repeat:no-repeat}
.t-form select option{background:#1b1916;color:var(--bone)}
.t-form input:focus,.t-form select:focus,.t-form textarea:focus{border-color:var(--brass)}
.t-form textarea{resize:vertical;min-height:84px}
.t-form .bad{border-color:#d07a5c}
fieldset{border:0;display:grid;gap:12px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips label{display:block;cursor:pointer;position:relative}
.chips input{position:absolute;left:0;top:0;width:1px;height:1px;opacity:0;pointer-events:none}
.chips span{display:block;padding:10px 16px;border:1px solid rgba(236,230,220,.24);border-radius:999px;font-size:13px;letter-spacing:.02em;text-transform:none;color:var(--bone);transition:all .35s var(--ease)}
.chips input:checked+span{background:var(--brass);border-color:var(--brass);color:#14110d}
.chips input:focus-visible+span{outline:1px solid var(--brass2);outline-offset:3px}
.t-form .btn{justify-self:start;border:0;margin-top:6px}
.t-done{font-size:15px;color:var(--brass2);border-left:1px solid var(--brass);padding-left:16px}

.foot{border-top:1px solid var(--line);padding:48px 0 calc(48px + env(safe-area-inset-bottom))}
.foot-grid{display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center;font-size:13px;color:var(--muted)}
.foot a{color:var(--bone)}

/* ============ Responsive ============ */
@media (max-width:900px){
  .links{display:none}
  .build{height:900vh}
  .veil,.stage[data-side="r"] .veil{background:
    linear-gradient(0deg,rgba(12,11,9,.92) 0%,rgba(12,11,9,.72) 30%,rgba(12,11,9,0) 58%),
    linear-gradient(180deg,rgba(12,11,9,.5) 0%,rgba(12,11,9,0) 16%)}
  .ch,.ch[data-side="r"],.ch-hero{left:var(--pad);right:var(--pad);top:auto;bottom:86px;max-width:none;transform:translate3d(0,var(--y,24px),0)}
  .ch h2{font-size:clamp(34px,9vw,52px);margin:10px 0 14px}
  .ch p{font-size:15px}
  .ch-hero h1{font-size:clamp(50px,14vw,84px);margin-bottom:18px}
  .cta-row{margin-top:26px;gap:20px}
  .meter{margin-top:14px}
  .meter b{font-size:60px}
  .hud{bottom:calc(22px + env(safe-area-inset-bottom));gap:14px;font-size:10px}
  .hud-meta span:last-child{display:none}
  .rail{right:6px}
  .rail button{padding:6px 6px;color:transparent!important}
  .rail button::after{width:10px}
  .rail button.on::after{width:22px}
  .promises{grid-template-columns:1fr 1fr}
  .promises>div{border-right:0;margin-right:0;padding-right:16px;border-bottom:1px solid var(--line)}
  .method-grid{grid-template-columns:1fr}
  .m-media{top:64px;height:42vh;z-index:2}
  .m-steps li{padding:34px 0}
  .proj,.proj:nth-child(even){grid-template-columns:1fr}
  .proj:nth-child(even) figure{order:0}
  .tender-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .nav .btn-line{padding:11px 14px;font-size:10px;letter-spacing:.16em}
  .brand{letter-spacing:.34em;font-size:13px}
  .cards{grid-template-columns:1fr}
  .card{aspect-ratio:4/4.4}
  .card-t b{opacity:1;transform:none}
  .promises{grid-template-columns:1fr}
  .row2{grid-template-columns:1fr}
  .proj{padding:0}
  .proj-t{padding:0 var(--pad)}
  .proj figure{aspect-ratio:4/3.6}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{transition:none;opacity:1;transform:none}
  .scrollcue i::after,.loader i::after{animation:none}
}