/* ============================================================
   ATRIX PARTNERS — shared stylesheet
   Tavdrigina: Georgian display face, single weight, NO usable Latin.
   unicode-range keeps it off Latin so Dachi picks that up automatically.
   Dachi The Lynx: heavy geometric face with correct Latin — the printed
   catalogue face. Carries body, labels, buttons, brand, all Latin terms.
   ============================================================ */
@font-face{
  font-family:'Tavdrigina';
  src:url('/fonts/Tavdrigina.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap;
  unicode-range:U+0020-0040, U+005B-0060, U+007B-007E, U+00A0-00FF, U+10A0-10FF, U+1C90-1CBF, U+2010-205E;
}
@font-face{
  font-family:'Dachi';
  src:url('/fonts/Dachi.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap;
}

:root{
  --paper:#F4F2EC;
  --paper-warm:#EBE7DD;
  --ink:#0A0B0D;
  --charcoal:#17191D;
  --amber:#EBA02D;
  --rust:#8F4E02;
  --stone:#CFC9BB;

  --display:'Tavdrigina','Dachi',system-ui,sans-serif;
  --brand:'Dachi',system-ui,sans-serif;
  --body:'Dachi',system-ui,sans-serif;

  --gutter:clamp(20px,5vw,72px);
  --maxw:1320px;
  --datum:1px;
}

*{margin:0;padding:0;box-sizing:border-box}
html,body,h1,h2,h3,h4,b,strong{font-synthesis:none;-webkit-font-synthesis:none}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{
  font-family:var(--body);background:var(--paper);color:var(--ink);
  font-size:16.5px;line-height:1.78;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
::selection{background:var(--ink);color:var(--paper)}
img{display:block;max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--rust);outline-offset:4px}

.shell{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.band{padding-block:clamp(84px,11vw,160px);position:relative}
.band--tight{padding-block:clamp(60px,8vw,108px)}
.band--dark{background:var(--ink);color:var(--paper)}
.band--char{background:var(--charcoal);color:var(--paper)}
.band--warm{background:var(--paper-warm)}

h1,h2,h3{font-family:var(--display);font-weight:400;line-height:1.06;letter-spacing:-.01em}
.d1{font-size:clamp(40px,7vw,92px)}
.d2{font-size:clamp(31px,4.9vw,64px)}
.d3{font-size:clamp(22px,2.6vw,32px);line-height:1.16}
.lede{font-size:clamp(16.5px,1.7vw,21px);line-height:1.65;max-width:36ch}
.prose{max-width:62ch}
.prose p+p{margin-top:1.05em}
.marker{font-family:var(--brand);font-size:12px;letter-spacing:.16em;color:var(--rust)}
.band--dark .marker,.band--char .marker{color:var(--amber)}
.rule-short{width:56px;height:3px;background:var(--rust);border:0}
.band--dark .rule-short,.band--char .rule-short{background:var(--amber)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:var(--gutter);top:8px;z-index:99;background:var(--amber);color:var(--ink);padding:10px 16px}

/* ---------- header ---------- */
.masthead{
  position:fixed;inset:0 0 auto;z-index:60;display:flex;align-items:center;
  justify-content:space-between;gap:24px;padding:22px var(--gutter);color:var(--paper);
  transition:padding .3s ease,background-color .3s ease,color .3s ease,box-shadow .3s ease;
}
.masthead.is-stuck{padding-block:12px;background:var(--paper);color:var(--ink);box-shadow:0 1px 0 rgba(10,11,13,.12)}
.masthead.on-light{color:var(--ink)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:none}
.brand svg{width:32px;height:21px}
.brand circle{fill:none;stroke:var(--amber);stroke-width:2.2}
.masthead.is-stuck .brand circle{stroke:var(--rust)}
.brand b{font-family:var(--brand);font-size:14px;font-weight:400;letter-spacing:.18em}
.nav{display:flex;align-items:center;gap:clamp(16px,2.2vw,32px)}
.nav a{font-size:14px;text-decoration:none;padding-block:6px;position:relative;white-space:nowrap}
.nav a::after{content:'';position:absolute;left:0;right:0;bottom:0;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.nav a:hover::after,.nav a:focus-visible::after,.nav a[aria-current]::after{transform:scaleX(1)}
.head-actions{display:flex;align-items:center;gap:8px}

.btn{
  display:inline-block;text-decoration:none;text-align:center;font-family:var(--brand);
  font-size:14px;padding:14px 26px;border:1px solid transparent;border-radius:2px;
  cursor:pointer;transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.btn--solid{background:var(--amber);color:var(--ink)}
.btn--solid:hover{background:#F6B54B}
.btn--line{border-color:currentColor;background:transparent;color:inherit}
.btn--line:hover{background:currentColor}
.btn--line:hover span{color:var(--paper)}
.masthead .btn{padding:11px 20px;font-size:13px}
.burger{display:none;background:none;border:0;color:inherit;cursor:pointer;padding:8px}
.burger svg{width:24px;height:16px;stroke:currentColor;stroke-width:1.6}

.drawer{
  position:fixed;inset:0;z-index:70;background:var(--ink);color:var(--paper);
  padding:96px var(--gutter) 40px;display:flex;flex-direction:column;justify-content:space-between;
  transform:translateY(-100%);transition:transform .5s cubic-bezier(.4,0,.1,1);
}
.drawer.is-open{transform:none}
.drawer nav{display:flex;flex-direction:column;gap:4px}
.drawer nav a{font-family:var(--display);font-size:clamp(32px,8.5vw,48px);text-decoration:none;padding-block:8px}
.drawer .close{position:absolute;top:20px;right:var(--gutter);background:none;border:0;color:inherit;font-size:32px;line-height:1;cursor:pointer}
.drawer-contact a{text-decoration:none;display:block}
.drawer-contact a:first-child{font-size:19px;margin-bottom:6px}
.drawer-contact a:last-child{font-size:15px;color:var(--amber)}

/* ---------- compass instrument ---------- */
.compass{position:fixed;z-index:50;pointer-events:none;transition:opacity .5s ease}
#compassSvg{width:100%;height:100%;overflow:visible}
.cp-ring{fill:none;stroke:var(--amber);stroke-width:1;opacity:.5}
.cp-tick{stroke:var(--amber);opacity:.32}
.cp-tick.major{opacity:.85;stroke-width:1.8}
.cp-deg{fill:var(--amber);font-family:var(--brand);font-size:11px;opacity:.75}
.cp-needle{stroke:var(--amber);stroke-width:2;stroke-linecap:round}
.cp-hub{fill:var(--amber)}
.cp-stage{fill:currentColor;font-family:var(--display);font-size:20px;text-anchor:middle}
.cp-read{fill:var(--amber);font-family:var(--brand);font-size:12px;text-anchor:middle;letter-spacing:.1em}
.compass--hero{top:50%;right:calc(var(--gutter) * -1 + 2vw);width:min(58vw,620px);aspect-ratio:1;transform:translateY(-50%);color:var(--paper)}
.compass--dock{bottom:26px;left:26px;width:104px;height:104px;top:auto;right:auto;transform:none;color:var(--ink);opacity:0}
.compass--dock.is-on{opacity:1}
.compass--dock .cp-stage{font-size:13px}
.compass--dock .cp-read{font-size:9px}
.compass--dock.on-dark{color:var(--paper)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;background:var(--ink);color:var(--paper);overflow:hidden;padding-block:150px clamp(48px,7vw,86px)}
.hero .shell{position:relative;z-index:3;width:100%}
.hero--page{min-height:auto;padding-block:clamp(150px,18vw,220px) clamp(56px,7vw,96px);align-items:flex-end}
.hero-plate{position:absolute;inset:0;z-index:1;opacity:.5}
.hero-plate::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,#101216 0%,#191c21 42%,#0c0d10 100%)}
.hero-plate::after{content:'';position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(244,242,236,.05) 0 1px,transparent 1px 96px),repeating-linear-gradient(0deg,rgba(244,242,236,.05) 0 1px,transparent 1px 96px)}
.hero-veil{position:absolute;inset:0;z-index:2;background:linear-gradient(90deg,rgba(10,11,13,.94) 0%,rgba(10,11,13,.72) 46%,rgba(10,11,13,.35) 100%)}
.hero h1{max-width:15ch;margin-bottom:clamp(24px,3vw,36px)}
.hero .lede{color:rgba(244,242,236,.8);margin-bottom:clamp(30px,4vw,44px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:clamp(40px,6vw,64px)}
.hero-scope{font-family:var(--brand);font-size:12px;letter-spacing:.22em;color:rgba(244,242,236,.5)}

/* ---------- manifesto ---------- */
.manifesto{display:grid;gap:clamp(28px,4vw,56px);grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:end}
.manifesto h2{max-width:18ch}
.manifesto .prose{max-width:46ch}
.manifesto-sign{font-family:var(--brand);font-size:clamp(18px,2vw,25px);line-height:1.3;margin-top:clamp(40px,5vw,64px);color:var(--rust)}

/* ---------- ecosystem index ---------- */
.index{border-top:var(--datum) solid var(--stone)}
.row{display:grid;grid-template-columns:76px minmax(0,1fr) minmax(0,1.05fr) 130px;gap:clamp(14px,2.4vw,36px);align-items:start;padding-block:clamp(24px,3vw,38px);border-bottom:var(--datum) solid var(--stone);text-decoration:none;position:relative}
.row::before{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--rust);transform:scaleX(0);transform-origin:left;transition:transform .55s cubic-bezier(.2,.7,.3,1)}
.row:hover::before,.row:focus-visible::before{transform:scaleX(1)}
.row-n{font-family:var(--brand);font-size:14px;color:var(--rust);padding-top:.5em}
.row-t{font-family:var(--brand);font-size:clamp(18px,2vw,25px);line-height:1.2}
.row-d{font-size:15.5px;line-height:1.65;color:#3D3F44;max-width:52ch}
.row-go{font-family:var(--brand);font-size:13px;color:var(--rust);padding-top:.5em;justify-self:end;white-space:nowrap}

/* ---------- photo plates ---------- */
.plate{position:relative;overflow:hidden;background:var(--paper-warm);border:var(--datum) solid var(--stone)}
.plate::before{content:'';position:absolute;inset:0;background:linear-gradient(150deg,#E4DFD4 0%,#D3CDBF 38%,#BFB8A8 70%,#CFC9BB 100%)}
.plate::after{content:'';position:absolute;inset:0;background:repeating-linear-gradient(90deg,rgba(10,11,13,.055) 0 1px,transparent 1px 48px),repeating-linear-gradient(0deg,rgba(10,11,13,.055) 0 1px,transparent 1px 48px)}
.plate--dark{background:var(--charcoal);border-color:rgba(244,242,236,.16)}
.plate--dark::before{background:linear-gradient(150deg,#22262B 0%,#171A1E 55%,#101215 100%)}
.plate--dark::after{background:repeating-linear-gradient(90deg,rgba(244,242,236,.06) 0 1px,transparent 1px 48px),repeating-linear-gradient(0deg,rgba(244,242,236,.06) 0 1px,transparent 1px 48px)}
.plate-tag{position:absolute;left:14px;bottom:12px;z-index:2;font-family:var(--brand);font-size:11px;letter-spacing:.08em;color:rgba(10,11,13,.5)}
.plate--dark .plate-tag{color:rgba(244,242,236,.5)}
.reveal{clip-path:inset(0 0 100% 0);transition:clip-path 1.1s cubic-bezier(.22,.7,.2,1)}
.reveal.is-in{clip-path:inset(0 0 0 0)}

/* ---------- statement / gallery / tech ---------- */
.statement{display:grid;gap:clamp(28px,4vw,60px);grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}
.statement .plate{aspect-ratio:4/5}
.statement h2{max-width:16ch;margin-bottom:22px}
.gallery{display:grid;gap:clamp(10px,1.4vw,18px);grid-template-columns:repeat(6,1fr);margin-top:clamp(36px,5vw,60px)}
.g-a{grid-column:span 4;aspect-ratio:16/10}
.g-b{grid-column:span 2;aspect-ratio:4/5}
.g-c,.g-d,.g-e{grid-column:span 2;aspect-ratio:1}
.tech{display:grid;gap:clamp(30px,4vw,64px);grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center}
.tech-list{list-style:none;margin-top:30px}
.tech-list li{padding-block:15px;border-top:1px solid rgba(244,242,236,.16);display:flex;align-items:baseline;gap:16px;font-size:15.5px}
.tech-list li:last-child{border-bottom:1px solid rgba(244,242,236,.16)}
.tech-list b{font-family:var(--brand);font-weight:400;color:var(--amber);font-size:13px;flex:none;width:26px}
.tech .plate{aspect-ratio:5/4}

/* ---------- principles / responsibility / about ---------- */
.principles{display:grid;gap:clamp(26px,3.4vw,54px);grid-template-columns:repeat(3,1fr);margin-top:clamp(40px,5vw,64px)}
.principle{border-top:2px solid var(--rust);padding-top:22px}
.principle h3{font-size:clamp(19px,1.9vw,23px);margin-bottom:12px;max-width:15ch}
.principle p{font-size:15.5px;color:#3D3F44;max-width:38ch}
.resp{display:grid;gap:clamp(28px,4vw,72px);grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}
.resp h2{max-width:14ch}
.resp .prose p{color:#33353A}
.resp-final{font-family:var(--brand);font-size:clamp(17px,1.8vw,22px);line-height:1.35;margin-top:32px;padding-top:26px;border-top:2px solid var(--rust);max-width:32ch;color:var(--ink)}
.about{display:grid;gap:clamp(26px,4vw,64px);grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}
.finale h2{max-width:16ch;margin-bottom:24px}
.finale .lede{margin-bottom:36px}
.finale-contacts{display:flex;flex-wrap:wrap;gap:14px 40px;margin-top:40px;align-items:center}
.finale-contacts a{font-family:var(--brand);font-size:clamp(17px,1.9vw,24px);text-decoration:none;border-bottom:2px solid transparent;transition:border-color .25s ease}
.finale-contacts a:hover{border-color:var(--amber)}

/* ---------- services page ---------- */
.svc-nav{position:sticky;top:78px;z-index:40;background:var(--paper);border-bottom:var(--datum) solid var(--stone)}
.svc-nav ul{list-style:none;display:flex;gap:clamp(14px,2vw,30px);overflow-x:auto;padding-block:14px;scrollbar-width:none}
.svc-nav ul::-webkit-scrollbar{display:none}
.svc-nav a{font-family:var(--brand);font-size:13px;text-decoration:none;white-space:nowrap;color:#4A4C51;padding-block:4px;border-bottom:2px solid transparent}
.svc-nav a:hover,.svc-nav a.is-active{color:var(--ink);border-bottom-color:var(--rust)}

.group{padding-block:clamp(58px,7vw,104px);border-top:var(--datum) solid var(--stone)}
.group:first-of-type{border-top:0}
.group-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(20px,3vw,48px);align-items:end;margin-bottom:clamp(28px,3.5vw,48px)}
.group-head h2{max-width:14ch}
.group-head p{color:#3D3F44;max-width:44ch;font-size:15.5px}
.subs{display:grid;gap:0;border-top:var(--datum) solid var(--stone)}
.sub{border-bottom:var(--datum) solid var(--stone)}
.sub>summary{
  list-style:none;cursor:pointer;padding-block:20px;display:flex;align-items:center;
  justify-content:space-between;gap:20px;font-family:var(--brand);
  font-size:clamp(16px,1.7vw,20px);
}
.sub>summary::-webkit-details-marker{display:none}
.sub>summary::after{content:'+';font-family:var(--brand);font-size:22px;color:var(--rust);transition:transform .3s ease;flex:none}
.sub[open]>summary::after{transform:rotate(45deg)}
.sub-body{padding-bottom:24px}
.tags{display:flex;flex-wrap:wrap;gap:8px 10px;max-width:80ch}
.tags span{font-size:14.5px;color:#3D3F44;border:var(--datum) solid var(--stone);border-radius:2px;padding:6px 12px;background:var(--paper)}
.band--warm .tags span{background:var(--paper-warm)}
.group-cta{margin-top:clamp(26px,3vw,40px)}
.note{font-size:14.5px;color:#5A5C61;margin-top:14px;max-width:56ch}

/* ---------- approach page ---------- */
.station{
  min-height:88vh;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:clamp(24px,4vw,64px);align-items:center;
  padding-block:clamp(56px,7vw,96px);border-top:var(--datum) solid var(--stone);
}
.station:first-of-type{border-top:0}
.st-deg{font-family:var(--brand);font-size:clamp(30px,4.6vw,58px);color:var(--rust);line-height:1;margin-bottom:14px}
.station h2{margin-bottom:18px;max-width:12ch}
.st-list{list-style:none;columns:2;column-gap:32px;max-width:56ch}
.st-list li{padding-block:9px;border-bottom:var(--datum) solid var(--stone);font-size:15.5px;break-inside:avoid}
.models{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,3vw,44px);margin-top:clamp(34px,4vw,56px)}
.model{border-top:2px solid var(--amber);padding-top:22px}
.model h3{font-size:clamp(20px,2.1vw,26px);margin-bottom:12px}
.model p{color:rgba(244,242,236,.76);max-width:40ch;font-size:15.5px}

/* ---------- footer ---------- */
.foot{background:var(--ink);color:var(--paper);padding-block:clamp(52px,6vw,76px) 30px}
.foot-top{display:grid;gap:36px;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr) minmax(0,1fr);align-items:start}
.foot-slogan{font-family:var(--brand);font-size:clamp(16px,1.6vw,20px);line-height:1.35;margin-top:20px;max-width:24ch;color:var(--amber)}
.foot h4{font-family:var(--brand);font-size:12px;font-weight:400;letter-spacing:.16em;color:rgba(244,242,236,.45);margin-bottom:16px}
.foot ul{list-style:none;display:grid;gap:9px}
.foot a{text-decoration:none;font-size:15px}
.foot a:hover{color:var(--amber)}
.foot-base{margin-top:clamp(44px,5vw,68px);padding-top:22px;border-top:1px solid rgba(244,242,236,.16);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(244,242,236,.5)}

/* ---------- contact modal ---------- */
.modal{position:fixed;inset:0;z-index:80;display:none}
.modal.is-open{display:block}
.modal-veil{position:absolute;inset:0;background:rgba(10,11,13,.7)}
.modal-panel{position:absolute;top:0;right:0;bottom:0;width:min(560px,100%);background:var(--paper);padding:clamp(26px,4vw,44px);overflow-y:auto;animation:slideIn .45s cubic-bezier(.3,.8,.3,1)}
@keyframes slideIn{from{transform:translateX(100%)}to{transform:none}}
.modal-panel h2{font-size:clamp(24px,3vw,34px);margin-bottom:8px;max-width:14ch}
.modal-panel .sub-copy{color:#4A4C51;margin-bottom:26px;font-size:15.5px;max-width:42ch}
.modal .close{position:absolute;top:14px;right:16px;background:none;border:0;font-size:30px;line-height:1;cursor:pointer;color:var(--ink)}
.field{margin-bottom:16px}
.field label{display:block;font-family:var(--brand);font-size:12.5px;letter-spacing:.05em;margin-bottom:7px}
.field input,.field select,.field textarea{width:100%;font-family:var(--body);font-size:16px;color:var(--ink);background:transparent;border:0;border-bottom:1px solid var(--stone);padding:10px 2px;border-radius:0;transition:border-color .25s ease}
.field textarea{resize:vertical;min-height:78px}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;border-bottom-color:var(--rust)}
.form-note{font-size:13px;color:#6A6C71;margin-top:14px}
.thanks{display:none;padding-block:40px}
.thanks.is-on{display:block}
.thanks p{font-family:var(--display);font-size:clamp(20px,2.4vw,27px);line-height:1.3;max-width:20ch}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .row{grid-template-columns:52px minmax(0,1fr);row-gap:10px}
  .row-d,.row-go{grid-column:2}
  .row-go{justify-self:start;padding-top:4px}
  .gallery{grid-template-columns:repeat(4,1fr)}
  .g-a{grid-column:span 4}
  .station{grid-template-columns:1fr;min-height:auto}
}
@media (max-width:860px){
  .nav,.masthead .btn{display:none}
  .burger{display:block}
  .manifesto,.statement,.tech,.resp,.about,.group-head,.models{grid-template-columns:1fr}
  .principles{grid-template-columns:1fr;gap:26px}
  .foot-top{grid-template-columns:1fr 1fr}
  .st-list{columns:1}
  .compass--hero{top:auto;bottom:-16vw;right:-30vw;width:96vw;transform:none;opacity:.5}
  .hero{align-items:center}
  .compass--dock{width:74px;height:74px;bottom:16px;left:16px}
  .svc-nav{top:60px}
}
@media (max-width:560px){
  .gallery{grid-template-columns:repeat(2,1fr)}
  .g-a,.g-b,.g-c,.g-d,.g-e{grid-column:span 2;aspect-ratio:16/11}
  .foot-top{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{clip-path:none}
}