/* MARZEO — design system
   Palette from brand sheet: paper + ink. Type: Space Grotesk (display/body) + IBM Plex Mono (labels). */
@font-face{font-family:"Space Grotesk";src:url(../fonts/space-grotesk-latin-wght-normal.woff2) format("woff2");font-weight:300 700;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"IBM Plex Mono";src:url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-style:normal;font-display:swap}

:root{
  --paper:#F3F0E8;--paper-2:#EAE6DB;--paper-3:#DDD8CA;--ink:#0A0A0A;
  --bg:var(--paper);--fg:var(--ink);--muted:#5C5951;--line:rgba(10,10,10,.2);--line-soft:rgba(10,10,10,.09);--hover:var(--paper-2);
  --sans:"Space Grotesk","Helvetica Neue",Arial,sans-serif;--mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  /* type scale */
  --fs-label:12px;--fs-sm:14px;--fs-body:17px;--fs-lead:clamp(18px,1.5vw + 8px,22px);
  --fs-h3:clamp(22px,1.2vw + 14px,28px);--fs-h2:clamp(34px,3.6vw + 12px,64px);--fs-h1:clamp(42px,4.6vw + 14px,80px);
  --max:1240px;--pad:clamp(20px,4vw,48px);--sec:clamp(72px,9vw,128px);--head:72px;--ease:cubic-bezier(.2,.7,.2,1)
}
.dark{--bg:var(--ink);--fg:var(--paper);--muted:#A9A69D;--line:rgba(243,240,232,.22);--line-soft:rgba(243,240,232,.1);--hover:#161614}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden}
body{margin:0;background:var(--paper);color:var(--ink);font:400 var(--fs-body)/1.6 var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
::selection{background:var(--ink);color:var(--paper)}
:focus-visible{outline:2px solid currentColor;outline-offset:3px}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:var(--paper);padding:10px 16px;z-index:100;font-weight:600}
.skip:focus{top:12px}
.container{width:min(100% - var(--pad)*2,var(--max));margin-inline:auto}

/* ---------- type ---------- */
.h1,.h2,.h3{font-family:var(--sans);font-weight:600;letter-spacing:-.035em;line-height:1.06;text-wrap:balance}
.h1{font-size:var(--fs-h1);line-height:1.02;letter-spacing:-.045em}
.h2{font-size:var(--fs-h2)}
.h3{font-size:var(--fs-h3);line-height:1.2;letter-spacing:-.02em}
.lead{font-size:var(--fs-lead);line-height:1.5;color:var(--muted);max-width:56ch;text-wrap:pretty}
.label{font:500 var(--fs-label)/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.mono{font-family:var(--mono)}
.muted{color:var(--muted)}

/* ---------- header ---------- */
.header{position:sticky;top:0;z-index:60;height:var(--head);background:rgba(243,240,232,.9);-webkit-backdrop-filter:saturate(1.2) blur(14px);backdrop-filter:saturate(1.2) blur(14px);border-bottom:1px solid var(--line-soft);transition:border-color .3s}
.header.is-scrolled{border-bottom-color:var(--line)}
.nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}
.brand-mark{height:32px;width:auto;aspect-ratio:560.2/448.8}
.brand-word{height:14px;width:auto;aspect-ratio:675/81}
.nav-links{display:flex;align-items:center;gap:4px}
.nl{position:relative;display:inline-block;padding:10px 14px;font-size:15px;font-weight:500;letter-spacing:-.005em}
.nl::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:1.5px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nl:hover::after,.nl[aria-current=page]::after{transform:scaleX(1)}
.has-menu{position:relative;display:flex;align-items:center}
.has-menu .nl{padding-right:4px}.has-menu .nl::after{right:4px}
.sub-toggle{display:grid;place-items:center;width:28px;height:36px;border:0;background:none;padding:0}
.sub-toggle svg{width:12px;height:12px;transition:transform .3s var(--ease)}
.has-menu.is-open .sub-toggle svg,.has-menu:hover .sub-toggle svg{transform:rotate(180deg)}
.submenu{position:absolute;left:-14px;top:100%;width:360px;padding-top:14px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .2s,transform .3s var(--ease),visibility 0s .3s}
.submenu-in{background:var(--paper);border:1px solid var(--line);box-shadow:0 18px 40px -20px rgba(10,10,10,.35)}
.has-menu:hover .submenu,.has-menu.is-open .submenu{opacity:1;visibility:visible;transform:none;transition:opacity .2s,transform .3s var(--ease)}
.submenu a{display:grid;gap:2px;padding:14px 18px;border-bottom:1px solid var(--line-soft);transition:background .2s}
.submenu a:hover,.submenu a:focus-visible{background:var(--paper-2)}
.submenu a b{font-weight:600;font-size:15px}.submenu a span{font-size:14px;color:var(--muted);line-height:1.4}
.submenu a.all{border-bottom:0;font-weight:600;font-size:14px;color:var(--fg)}
.nav-end{display:flex;align-items:center;gap:12px}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;position:relative}
.menu-btn i{position:absolute;left:12px;right:12px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease),opacity .2s}
.menu-btn i:nth-child(1){top:16px}.menu-btn i:nth-child(2){top:21px}.menu-btn i:nth-child(3){top:26px}
.menu-btn[aria-expanded=true] i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.menu-btn[aria-expanded=true] i:nth-child(2){opacity:0}
.menu-btn[aria-expanded=true] i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.drawer{position:fixed;inset:var(--head) 0 0 0;z-index:55;background:var(--paper);padding:12px var(--pad) 28px;display:flex;flex-direction:column;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .25s,transform .35s var(--ease),visibility 0s .35s}
.drawer.is-open{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .35s var(--ease)}
.drawer nav>a{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);font-size:30px;font-weight:600;letter-spacing:-.03em}
.drawer nav>a[aria-current=page]{color:var(--muted)}
.d-sub{display:grid;border-bottom:1px solid var(--line)}
.d-sub a{padding:12px 0 12px 16px;font-size:19px;font-weight:500;letter-spacing:-.01em;color:var(--muted);border-top:1px solid var(--line-soft)}
.drawer nav>a.d-top{border-bottom:0}
.drawer-foot{margin-top:auto;padding-top:28px;display:grid;gap:16px}
.drawer-foot .btn{width:100%}
html.nav-open{overflow:hidden}
.drawer{overscroll-behavior:contain}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 24px;border:1px solid var(--fg);font:600 15px/1 var(--sans);letter-spacing:-.005em;background:transparent;color:var(--fg);transition:background .25s,color .25s,transform .25s var(--ease)}
.btn--primary{background:var(--fg);color:var(--bg)}
.btn--primary:hover{background:transparent;color:var(--fg)}
.btn--ghost:hover{background:var(--fg);color:var(--bg)}
.btn--sm{min-height:42px;padding:10px 18px;font-size:14px}
.btn svg{width:16px;height:16px;transition:transform .25s var(--ease)}
.btn:hover svg{transform:translate(2px,-2px)}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.link{display:inline-flex;align-items:center;gap:8px;font-weight:600;border-bottom:1.5px solid currentColor;padding-bottom:2px}
.link svg{width:14px;height:14px}

/* ---------- blueprint grid + sections ---------- */
.bp{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:96px 96px;background-position:center top;-webkit-mask-image:radial-gradient(ellipse 75% 85% at 72% 38%,#000,transparent 75%);mask-image:radial-gradient(ellipse 75% 85% at 72% 38%,#000,transparent 75%)}
.section{position:relative;padding-block:var(--sec);background:var(--bg);color:var(--fg)}
.section--alt{--bg:var(--paper-2);--hover:var(--paper-3)}
.sec-head{display:grid;grid-template-columns:repeat(12,1fr);gap:24px 32px;align-items:end;margin-bottom:clamp(40px,5vw,72px)}
.sec-head .h2{grid-column:1/8}
.sec-head .lead{grid-column:8/13;padding-bottom:6px}
.sec-head--stack .h2,.sec-head--stack .lead{grid-column:1/-1}

/* ---------- hero ---------- */
.hero{position:relative;min-height:calc(100svh - var(--head));display:flex;flex-direction:column;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-grid{position:relative;flex:1;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:center;padding-block:clamp(40px,6vw,80px) clamp(32px,4vw,56px)}
.hero-copy .label{margin-bottom:28px}
.hero-copy .h1{max-width:12ch}
.hero-copy .lead{margin:28px 0 36px}
.hero-art{width:100%;max-width:560px;justify-self:end}
.hero-art svg{width:100%;height:auto;overflow:visible}
@media (max-width:640px){.hero-art .lbl{display:none}}
.route{position:relative;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line)}
.route a{padding:18px 16px 20px 0;display:flex;flex-direction:column;gap:2px;font-size:16px;font-weight:600;position:relative;transition:padding .3s var(--ease)}
.route a span{font:400 var(--fs-label)/1.4 var(--mono);color:var(--muted);letter-spacing:.04em}
.route li+li a{padding-left:20px;border-left:1px solid var(--line-soft)}
.route a:hover{background:var(--hover)}

/* hero entrance (the one orchestrated moment) */
.draw{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.6s var(--ease) forwards}
.fade-up{opacity:0;transform:translateY(14px);animation:up .8s var(--ease) forwards}
.fade{opacity:0;animation:fade .9s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes up{to{opacity:1;transform:none}}
@keyframes fade{to{opacity:1}}

/* ---------- loop / steps ---------- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:0 28px;border-top:1px solid var(--fg);counter-reset:s}
.step{position:relative;padding:28px 0 0}
.step::before{content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;background:var(--fg)}
.step-n{font:400 var(--fs-label)/1 var(--mono);color:var(--muted);letter-spacing:.06em}
.step h3{font-size:22px;font-weight:600;letter-spacing:-.02em;margin:14px 0 8px}
.step p{font-size:15px;line-height:1.5;color:var(--muted)}

/* ---------- capability rows ---------- */
.rows{border-bottom:1px solid var(--line)}
.row{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,5fr) 48px;gap:20px 40px;align-items:start;padding:40px 0;border-top:1px solid var(--line);transition:background .3s,padding .3s var(--ease)}
.row:hover{background:var(--hover);padding-inline:20px}
.row p{color:var(--muted);max-width:50ch}
.tags{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:16px;font:400 var(--fs-label)/1.4 var(--mono);color:var(--fg);letter-spacing:.02em}
.tags li+li::before{content:"/";margin-right:14px;color:var(--muted)}
.row-icon{width:48px;height:48px;border:1px solid var(--line);display:grid;place-items:center;justify-self:end;transition:background .25s,color .25s}
.row-icon svg{width:18px;height:18px}
.row:hover .row-icon{background:var(--fg);color:var(--bg)}

/* ---------- system diagram ---------- */

/* ---------- work ---------- */
.work-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.work-item{position:relative;display:flex;flex-direction:column;gap:14px;padding:clamp(28px,3vw,44px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:340px;transition:background .3s}
.work-item:hover{background:var(--hover)}
.work-item p{color:var(--muted);max-width:46ch}
.work-item .tags{margin-top:auto;padding-top:20px}
.work-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}

/* ---------- entry points + principle ---------- */
.entry{display:grid;grid-template-columns:repeat(3,1fr);gap:0 48px}
.entry-item{padding-top:24px;border-top:1px solid var(--fg);display:flex;flex-direction:column;gap:12px}
.entry-item p{color:var(--muted)}
.entry-item .link{align-self:flex-start;margin-top:8px}
.principle{margin-top:clamp(64px,8vw,112px);padding-top:clamp(40px,5vw,72px);border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(12,1fr);gap:32px}
.quote{grid-column:1/9;font-size:clamp(28px,2.6vw + 12px,52px);line-height:1.12;letter-spacing:-.035em;font-weight:500;text-wrap:balance}
.principle-list{grid-column:9/13;display:grid;gap:18px;align-content:end;font-size:15px;color:var(--muted)}
.principle-list li{padding-bottom:18px;border-bottom:1px solid var(--line-soft)}
.principle-list b{display:block;color:var(--fg);font-size:17px;font-weight:600;margin-bottom:2px}

/* ---------- CTA band ---------- */
.cta{position:relative;overflow:hidden;padding-block:clamp(88px,11vw,152px)}
.cta .h2{font-size:clamp(40px,5vw + 12px,96px);max-width:14ch;letter-spacing:-.045em;line-height:1}
.cta-grid{position:relative;display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:end}
.cta .lead{margin-top:28px}
.cta-side{display:grid;gap:20px;justify-items:start}
.cta-mail{font:500 15px var(--mono);border-bottom:1px solid var(--line);padding-bottom:4px}
.reg{position:absolute;width:9px;height:9px;border:1px solid var(--line)}
.reg--tl{left:var(--pad);top:36px}.reg--tr{right:var(--pad);top:36px}.reg--bl{left:var(--pad);bottom:36px}.reg--br{right:var(--pad);bottom:36px}
.cta-ring{position:absolute;right:-12vw;top:50%;width:min(60vw,720px);aspect-ratio:1;transform:translateY(-50%);border:1px solid var(--line-soft);border-radius:50%;pointer-events:none}
.cta-ring::after{content:"";position:absolute;inset:16%;border:1px dashed var(--line-soft);border-radius:50%}

/* ---------- footer ---------- */
.footer{background:var(--paper-2);border-top:1px solid var(--line);padding:72px 0 28px}
.footer-bottom{display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;padding-top:22px;border-top:1px solid var(--line);font:400 var(--fs-label)/1.5 var(--mono);color:var(--muted);letter-spacing:.04em}

/* ---------- inner pages ---------- */
.page-hero{position:relative;overflow:hidden;padding:clamp(56px,8vw,112px) 0 clamp(56px,7vw,96px);border-bottom:1px solid var(--line)}
.page-hero .container{position:relative}
.page-hero .h1{max-width:15ch;font-size:clamp(40px,4.6vw + 14px,84px);margin:22px 0 28px}
.page-hero::after{content:"";position:absolute;right:-9vw;top:50%;width:min(46vw,560px);aspect-ratio:1;transform:translateY(-50%);border:1px solid var(--line);border-radius:50%;pointer-events:none}
.jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.jump a{padding:9px 16px;border:1px solid var(--line);font-size:14px;font-weight:500;transition:background .2s,color .2s}
.jump a:hover{background:var(--ink);color:var(--paper)}
.svc{display:grid;grid-template-columns:repeat(12,1fr);gap:32px;padding-block:clamp(48px,6vw,88px);border-top:1px solid var(--line);scroll-margin-top:var(--head)}
.svc:first-of-type{border-top:0;padding-top:0}
.svc-title{grid-column:1/5;align-self:start;position:sticky;top:calc(var(--head) + 32px)}
.svc-body{grid-column:5/13}
.svc-body>p{font-size:var(--fs-lead);line-height:1.5;color:var(--muted);max-width:52ch;margin-bottom:32px}
.checks{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;border-top:1px solid var(--line)}
.checks li{display:flex;gap:14px;align-items:baseline;padding:15px 0;border-bottom:1px solid var(--line);font-size:16px}
.checks li::before{content:"";flex:none;width:7px;height:7px;background:var(--fg);transform:translateY(-1px)}
.svc-body .link{margin-top:28px}

.faq{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:26px 0;border:0;background:none;text-align:left;font:600 clamp(18px,1vw + 12px,24px)/1.3 var(--sans);letter-spacing:-.02em}
.faq-q svg{width:22px;height:22px;flex:none;transition:transform .35s var(--ease)}
.faq-q[aria-expanded=true] svg{transform:rotate(45deg)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .4s var(--ease)}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 48px 28px 0;color:var(--muted);max-width:62ch}
.faq-item.is-open .faq-a{grid-template-rows:1fr}

.arch{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line)}
.arch-cell{padding:28px 24px 32px;border-right:1px solid var(--line);position:relative;background:var(--bg)}
.arch-cell:nth-child(4){border-right:0}
.arch-cell:nth-child(-n+3)::after{content:"";position:absolute;z-index:2;right:-6px;top:calc(50% - 5px);width:10px;height:10px;background:var(--ink);border-top:1.5px solid var(--paper);border-right:1.5px solid var(--paper);transform:rotate(45deg)}
.arch-cell h3{font-size:22px;font-weight:600;letter-spacing:-.02em;margin-bottom:6px}
.arch-cell p{font:400 var(--fs-label)/1.5 var(--mono);color:var(--muted)}
.arch-cell--core{background:var(--paper);color:var(--ink);--muted:#4a4842}
.arch-band{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:12px 24px;flex-wrap:wrap;padding:20px 24px;border-top:1px solid var(--line)}
.arch-band h3{font-size:20px;font-weight:600;letter-spacing:-.02em}
.arch-band p{font:400 var(--fs-label)/1.5 var(--mono);color:var(--muted)}
.patterns{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.pattern{padding:clamp(28px,3vw,44px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:12px;min-height:300px}
.pattern p{color:var(--muted);max-width:44ch}
.pattern .fail{margin-top:auto;padding-top:20px;border-top:1px solid var(--line-soft);font-size:14px}
.pattern .fail b{font:500 var(--fs-label)/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;display:block;color:var(--muted);margin-bottom:4px}
.checklist{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.check{padding:28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;gap:6px;position:relative}
.check h3{font-size:22px;font-weight:600;letter-spacing:-.02em;display:flex;align-items:center;gap:12px}
.check h3::before{content:"";width:18px;height:18px;border:1.5px solid var(--fg);flex:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%230A0A0A' stroke-width='1.6'%3E%3Cpath d='M2.5 6.3 5 8.8l4.5-5.3'/%3E%3C/svg%3E") center/12px no-repeat}
.check p{color:var(--muted);padding-left:28px}

.pillars{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.pillar{padding:clamp(28px,3vw,44px);border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:12px;min-height:240px}
.pillar p{color:var(--muted);max-width:44ch}
.pillar .label{margin-bottom:auto}
.split{display:grid;grid-template-columns:repeat(12,1fr);gap:32px}
.split>.l{grid-column:1/6}.split>.r{grid-column:6/13}
.outputs{display:grid;grid-template-columns:1fr 1fr;gap:0 32px;border-top:1px solid var(--line)}
.outputs li{padding:16px 0;border-bottom:1px solid var(--line);display:flex;gap:14px;align-items:baseline}
.outputs li::before{content:"";flex:none;width:7px;height:7px;background:var(--fg)}

.case{display:grid;grid-template-columns:repeat(12,1fr);gap:24px 32px;padding-block:clamp(40px,5vw,72px);border-top:1px solid var(--line)}
.case:first-of-type{border-top:0;padding-top:0}
.case-meta{grid-column:1/4;display:flex;flex-direction:column;gap:6px}
.case-main{grid-column:4/10}
.case-main .h2{font-size:clamp(30px,2vw + 18px,48px);margin-bottom:18px}
.case-main p{color:var(--muted);font-size:18px;max-width:56ch}
.case-stack{grid-column:10/13}
.case-stack .label{margin-bottom:10px}
.case-stack li{padding:9px 0;border-bottom:1px solid var(--line-soft);font-size:15px}
.case-stack li:first-child{border-top:1px solid var(--line-soft)}
.notice{display:flex;gap:14px;align-items:flex-start;padding:20px 24px;border:1px dashed var(--line);margin-top:56px;color:var(--muted);font-size:15px;max-width:72ch}

.facts{border-top:1px solid var(--line)}
.facts div{display:grid;grid-template-columns:90px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.facts dt{font:500 var(--fs-label)/1.6 var(--mono);color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.facts dd{font-weight:500}
.copy{margin-left:10px;border:1px solid var(--line);background:none;padding:3px 10px;font:500 12px var(--mono);letter-spacing:.04em}
.copy:hover{background:var(--ink);color:var(--paper)}
.next{margin-top:40px;display:grid;gap:14px;counter-reset:n}
.next li{display:grid;grid-template-columns:32px 1fr;gap:12px;color:var(--muted);font-size:15px}
.next li::before{counter-increment:n;content:counter(n);font:500 var(--fs-label)/1.9 var(--mono);color:var(--fg)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .steps{grid-template-columns:repeat(3,1fr);gap:40px 28px}
  .step:nth-child(n+4){border-top:0}
  .step:nth-child(4)::before,.step:nth-child(5)::before,.step:nth-child(6)::before{top:-45px}
  .route{grid-template-columns:1fr 1fr}
  .route li:nth-child(n+3){border-top:1px solid var(--line-soft)}
  .route li:nth-child(3) a{padding-left:0;border-left:0}
  .nav-links a{padding:10px 10px}
}
@media (max-width:900px){
  :root{--head:64px}
  .nav-links,.nav-end .btn{display:none}
  .menu-btn{display:block}
  .brand-mark{height:28px}.brand-word{height:12px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy .h1{max-width:13ch}
  .hero-art{max-width:420px;justify-self:center}
  .sec-head{grid-template-columns:1fr}
  .sec-head .h2,.sec-head .lead{grid-column:1/-1}
  .row{grid-template-columns:1fr 48px;gap:16px}
  .row>div:nth-child(2){grid-column:1/-1;grid-row:2}
  .row-icon{grid-column:2;grid-row:1}
  .row:hover{padding-inline:0;background:none}
  .work-grid,.patterns,.pillars,.outputs,.checks{grid-template-columns:1fr}
  .entry{grid-template-columns:1fr;gap:40px}
  .principle{grid-template-columns:1fr}
  .quote,.principle-list{grid-column:1/-1}
  .cta-grid{grid-template-columns:1fr}
  .svc{grid-template-columns:1fr;gap:20px}
  .svc-title{position:static;grid-column:1/-1}
  .svc-body{grid-column:1/-1}
  .arch{grid-template-columns:1fr 1fr}
  .arch-cell::after{display:none}
  .arch-cell:nth-child(2){border-right:0}
  .arch-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .arch-cell:nth-child(4){border-right:0}
  .checklist{grid-template-columns:1fr 1fr}
  .case{grid-template-columns:1fr;gap:20px}
  .case-meta,.case-main,.case-stack{grid-column:1/-1}
  .split>.l,.split>.r{grid-column:1/-1}
  .page-hero::after{opacity:.6}
}
@media (max-width:560px){
  :root{--fs-body:16px}
  .hero-copy .label{margin-bottom:20px}
  .steps{grid-template-columns:1fr;gap:0;border-top:0;border-left:1px solid var(--fg);padding-left:0}
  .step{padding:0 0 32px 28px}
  .step::before,.step:nth-child(4)::before,.step:nth-child(5)::before,.step:nth-child(6)::before{top:4px;left:-5px}
  .route a,.route li+li a{padding:14px 10px 14px 0;font-size:15px}
  .route li:nth-child(even) a{padding-left:14px;border-left:1px solid var(--line-soft)}
  .route li:nth-child(odd) a{border-left:0;padding-left:0}
  .arch{grid-template-columns:1fr}
  .arch-cell{border-right:0!important;border-bottom:1px solid var(--line)}
  .checklist{grid-template-columns:1fr}
  .actions .btn{flex:1 1 100%}
  .faq-a p{padding-right:0}
  .facts div{grid-template-columns:76px 1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .draw{animation:none;stroke-dashoffset:0}
  .fade-up,.fade{animation:none;opacity:1;transform:none}
  *{transition-duration:.01ms!important}
}
@media print{.header,.drawer,.cta,.bp{display:none}}

/* ---------- v2 additions ---------- */
[hidden]{display:none!important}
.h1 .ln{display:block}
.page-hero .h1.h1--wide{max-width:20ch}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px 32px;padding-bottom:64px}
.footer-brand .brand-mark{height:44px}.footer-brand .brand-word{height:19px}
.footer-brand p{margin-top:24px;color:var(--muted);max-width:36ch;font-size:16px}
.footer-col h4{font:500 var(--fs-label)/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:16px}
.footer-col a{display:block;padding:6px 0;font-size:16px;font-weight:500}
.footer-col a:hover{text-decoration:underline;text-underline-offset:4px}
.work-grid--3{grid-template-columns:repeat(3,1fr)}
.work-grid--3 .work-item{min-height:300px}
.entry--4{grid-template-columns:repeat(4,1fr);gap:0 36px}
.markets{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);background:var(--bg)}
.market{padding:clamp(28px,3vw,44px);display:flex;flex-direction:column;gap:18px}
.market+.market{border-left:1px solid var(--line)}
.market h3{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.market .checks{grid-template-columns:1fr}
.checks--1{grid-template-columns:1fr}
.scope{display:flex;gap:14px;align-items:flex-start;padding:20px 24px;border:1px dashed var(--line);margin-top:32px;color:var(--muted);font-size:15px;max-width:72ch}

/* contact */
.contact{display:grid;grid-template-columns:repeat(12,1fr);gap:48px 56px;align-items:start}
.contact-main{grid-column:5/13;grid-row:1;min-width:0}
.contact-aside{grid-column:1/5;grid-row:1;position:sticky;top:calc(var(--head) + 32px);display:grid;gap:36px}
.aside-h{font:600 20px/1.2 var(--sans);letter-spacing:-.02em;margin-bottom:14px}
.form-card{border:1px solid var(--line);background:rgba(255,255,255,.4);padding:clamp(22px,3vw,40px)}
.paths{border:0;padding:0;margin:0;min-width:0}
.paths legend{font:600 18px/1.3 var(--sans);letter-spacing:-.015em;margin-bottom:14px;padding:0}
.path-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.path{position:relative;display:flex;flex-direction:column;gap:3px;padding:14px 16px;border:1px solid var(--line);cursor:pointer;background:var(--paper);transition:background .2s,color .2s,border-color .2s}
.path input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.path-t{font-weight:600;font-size:16px;letter-spacing:-.01em}
.path-d{font-size:13px;line-height:1.4;color:var(--muted)}
.path:hover{border-color:var(--ink)}
.path.is-on{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.path.is-on .path-d{color:#BDBAB1}
.path:focus-within{outline:2px solid var(--ink);outline-offset:3px}
.grp{margin-top:6px;padding-top:6px}
.f{display:grid;gap:8px;margin-top:22px}
.f>label,.f>.lbl{font:600 14px/1.3 var(--sans)}
.opt{font-weight:400;color:var(--muted);margin-left:6px}
.f input[type=text],.f input[type=email],.f select,.f textarea{width:100%;border:1px solid var(--line);border-radius:0;background:var(--paper);padding:13px 14px;font-size:16px;line-height:1.4;outline:0;appearance:none;-webkit-appearance:none;transition:border-color .2s,box-shadow .2s}
.f select{padding-right:40px;cursor:pointer;background:var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' fill='none' stroke='%230A0A0A' stroke-width='1.5'%3E%3Cpath d='M1 1l6 6 6-6'/%3E%3C/svg%3E") right 14px center no-repeat}
.f textarea{min-height:150px;resize:vertical;line-height:1.55}
.f input::placeholder,.f textarea::placeholder{color:#8B887F}
.f input:focus,.f select:focus,.f textarea:focus{border-color:var(--ink);box-shadow:0 0 0 3px rgba(10,10,10,.1)}
.f [aria-invalid=true]{border-color:#9B2C1D}
.err{margin:0;color:#9B2C1D;font-size:14px;font-weight:500}
.err:empty{display:none}
.f-hint{font-size:14px;color:var(--muted);line-height:1.5}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.cbx{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cb{display:flex;gap:10px;align-items:center;padding:11px 12px;border:1px solid var(--line);background:var(--paper);font-size:15px;cursor:pointer;line-height:1.3}
.cb input{width:16px;height:16px;margin:0;accent-color:#0A0A0A;flex:none}
.cb:hover{border-color:var(--ink)}
.cb:has(input:checked){border-color:var(--ink);background:var(--paper-2)}
.doc-note{margin-top:22px;padding:14px 16px;border-left:3px solid var(--ink);background:var(--paper-2);font-size:14px;line-height:1.55}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:16px 24px;flex-wrap:wrap;margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}
.form-note{font-size:14px;color:var(--muted);max-width:38ch;line-height:1.5}
.form-status{margin-top:16px;font-weight:500}
.form-status:empty{display:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.sent h2{font-size:clamp(28px,2vw + 16px,40px);margin:0 0 14px}
.sent>p{color:var(--muted);max-width:52ch}
.sent .actions{margin:24px 0 8px}
.sent-sum{white-space:pre-wrap;word-break:break-word;font:400 13px/1.65 var(--mono);background:var(--paper-2);padding:16px;border:1px solid var(--line-soft);max-height:280px;overflow:auto;margin:24px 0 16px}
.linkbtn{border:0;background:none;padding:0;font-weight:600;border-bottom:1.5px solid currentColor}
.clocks{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}
.clock{padding:14px 16px}.clock+.clock{border-left:1px solid var(--line)}
.clock b{display:block;font:500 24px/1.2 var(--mono);letter-spacing:-.02em;margin-top:4px}
.clock span{font:400 12px/1.4 var(--mono);color:var(--muted);letter-spacing:.04em}
.book{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);font-weight:600;transition:background .25s,color .25s}
.book:hover{background:transparent;color:var(--ink)}
.book small{display:block;font-weight:400;font-size:14px;opacity:.75;margin-top:2px}
.book svg{width:20px;height:20px;flex:none}

@media (max-width:1100px){
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .entry--4{grid-template-columns:1fr 1fr;gap:40px 36px}
  .work-grid--3{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .work-grid--3{grid-template-columns:1fr}
  .markets{grid-template-columns:1fr}
  .market+.market{border-left:0;border-top:1px solid var(--line)}
  .contact{grid-template-columns:1fr}
  .contact-main,.contact-aside{grid-column:1/-1;grid-row:auto}
  .contact-aside{position:static}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr 1fr}
  .entry--4{grid-template-columns:1fr}
  .path-grid{grid-template-columns:1fr}
  .f-row,.cbx{grid-template-columns:1fr}
  .form-foot .btn{width:100%}
  .clock b{font-size:20px}
}
.steps--4{grid-template-columns:repeat(4,1fr)}
.steps--5{grid-template-columns:repeat(5,1fr)}
@media (max-width:1100px){.steps--4 .step::before,.steps--5 .step::before{top:-5px!important}}
@media (max-width:700px){
  .steps--4,.steps--5{grid-template-columns:1fr;gap:0;border-top:0;border-left:1px solid var(--fg)}
  .steps--4 .step,.steps--5 .step{padding:0 0 32px 28px}
  .steps--4 .step::before,.steps--5 .step::before{top:4px!important;left:-5px}
}
.entry-item .link{margin-top:auto}
.entry-item p{margin-bottom:14px}

/* v3 additions */
.route--3{grid-template-columns:repeat(3,1fr)}
@media (max-width:1100px){
  .route--3 li:nth-child(n+3){border-top:0}
  .route--3 li:nth-child(3) a{padding-left:20px;border-left:1px solid var(--line-soft)}
}
@media (max-width:700px){
  .route--3{grid-template-columns:1fr}
  .route--3 li+li a,.route--3 li:nth-child(3) a{padding-left:0;border-left:0}
  .route--3 li+li{border-top:1px solid var(--line-soft)}
  .route--3 a{padding:14px 0}
}
.to-top{position:fixed;z-index:50;right:max(24px,env(safe-area-inset-right));bottom:max(24px,env(safe-area-inset-bottom));width:52px;height:52px;padding:0;border:0;border-radius:50%;display:grid;place-items:center;background:var(--paper);color:var(--ink);box-shadow:0 12px 28px -14px rgba(10,10,10,.55);opacity:0;visibility:hidden;transform:translateY(14px) scale(.92);transition:opacity .3s,transform .4s var(--ease),visibility 0s .4s,background .25s,color .25s}
.to-top.is-visible{opacity:1;visibility:visible;transform:none;transition:opacity .3s,transform .4s var(--ease),background .25s,color .25s}
.to-ring{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg);overflow:visible}
.to-track,.to-bar{fill:none;stroke:currentColor}
.to-track{stroke-width:1.5;opacity:.18}
.to-bar{stroke-width:2;stroke-dasharray:100;stroke-dashoffset:100}
.to-arrow{position:relative;width:20px;height:20px;transition:transform .3s var(--ease)}
.to-top:hover{background:var(--ink);color:var(--paper)}
.to-top:hover .to-arrow{transform:translateY(-3px)}
.to-top.on-dark{background:var(--ink);color:var(--paper);box-shadow:0 0 0 1px rgba(243,240,232,.22),0 12px 28px -14px rgba(0,0,0,.8)}
.to-top.on-dark:hover{background:var(--paper);color:var(--ink)}
.to-top:focus-visible{outline:2px solid currentColor;outline-offset:4px}
@media (max-width:560px){.to-top{width:46px;height:46px;right:max(16px,env(safe-area-inset-right));bottom:max(16px,env(safe-area-inset-bottom))}.to-arrow{width:18px;height:18px}}
@media print{.to-top{display:none}}
@media (prefers-reduced-motion:reduce){.to-top{transform:none}}