:root{
  --ink:#1D1A17; --ink-deep:#14120F; --paper:#F5EFE3; --crimson:#8A1C29;
  --sand:#D8C6A6; --pine:#35604F; --ochre:#B67F2A; --ochre-dark:#8F6318;
  --line-dark:#3A342D; --line-light:#C9B99B;
  --text-on-ink:#E7DFCF; --muted-on-ink:#A99E8C; --muted-on-paper:#5C554C;
  --gutter:clamp(22px,5vw,64px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink);color:var(--paper);font-family:Inter,system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:'DM Sans',sans-serif;font-weight:700;letter-spacing:-0.025em;margin:0}
.mono{font-family:'IBM Plex Mono',monospace;text-transform:uppercase;letter-spacing:0.2em;font-size:11px}
.wrap{max-width:1440px;margin:0 auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* header */
header{position:sticky;top:0;z-index:20;background:var(--ink);border-bottom:1px solid var(--line-dark)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px var(--gutter)}
.brand{display:flex;align-items:center;gap:14px}
.brand img{width:34px;height:34px}
.brand .name{font-family:'DM Sans',sans-serif;font-weight:700;font-size:16px;letter-spacing:0.26em;line-height:1}
.brand .sub{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:0.3em;text-transform:uppercase;color:var(--sand);margin-top:5px}
nav{display:flex;align-items:center;gap:26px}
nav a{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--text-on-ink);padding-bottom:3px;border-bottom:2px solid transparent}
nav a:hover{border-bottom-color:var(--crimson)}
.lang{display:flex;gap:10px;padding-left:22px;border-left:1px solid var(--line-dark);font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.14em}
.lang .on{border-bottom:2px solid var(--crimson);padding-bottom:2px}
.lang a{color:var(--muted-on-ink)}
@media(max-width:900px){nav .navlink{display:none}}
.mobmenu{display:none;position:relative}
@media(max-width:900px){.mobmenu{display:block}nav{gap:14px}.lang{padding-left:14px}}
.mobmenu summary{list-style:none;cursor:pointer;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.16em;text-transform:uppercase;color:var(--text-on-ink);border:1px solid var(--line-dark);padding:9px 13px}
.mobmenu summary::-webkit-details-marker{display:none}
.mobmenu[open] summary{border-color:var(--crimson)}
.mobpanel{position:absolute;right:0;top:calc(100% + 12px);background:var(--ink-deep);border:1px solid var(--line-dark);min-width:210px;z-index:30}
.mobpanel a{display:block;padding:14px 18px;border-bottom:none;font-size:11px}
.mobpanel a+a{border-top:1px solid var(--line-dark)}

/* sections */
section{border-bottom:1px solid var(--line-dark)}
.pad{padding:clamp(56px,7vw,92px) var(--gutter)}
.paper{background:var(--paper);color:var(--ink);border-bottom:1px solid var(--line-light)}
.paper .mono{color:var(--muted-on-paper)}
.crimson{background:var(--crimson);color:var(--paper);border-bottom:none}
.eyebrow{color:var(--sand)}
.lead{font-size:19px;line-height:1.6;color:var(--text-on-ink);max-width:62ch}
.paper .lead{color:var(--ink)}

/* hero */
.hero .tags{display:flex;flex-wrap:wrap;border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);max-width:860px}
.hero .tags span{padding:13px 28px 13px 0;color:var(--sand);font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.2em;text-transform:uppercase}
.hero .tags span+span{border-left:1px solid var(--line-dark);padding-left:28px}
h1{font-size:clamp(32px,4.9vw,64px);line-height:1.06;margin:34px 0 0;max-width:19ch}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,340px);gap:clamp(28px,4vw,64px);margin-top:44px;align-items:start}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}}
.btn{display:inline-block;background:var(--crimson);color:var(--paper);font-family:'DM Sans',sans-serif;font-weight:700;font-size:16px;padding:18px 30px}
.btn:hover{background:#731622}
.btn-ghost{display:inline-block;border-bottom:1px solid var(--sand);padding-bottom:3px;font-size:16px}
.tagline{margin-top:20px;color:var(--sand);font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:0.28em;text-transform:uppercase}

/* body layout with rail */
.body-grid{display:grid;grid-template-columns:264px minmax(0,1fr)}
@media(max-width:1100px){.body-grid{grid-template-columns:minmax(0,1fr)}}
.body-grid>div{min-width:0}
.rail{border-right:1px solid var(--line-dark)}
@media(max-width:1100px){.rail{display:none}}
.rail-inner{position:sticky;top:78px;padding:64px 32px 64px var(--gutter)}
.rail a{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line-dark);padding:14px 0;color:#6F675B;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.15em;text-transform:uppercase;transition:color .2s}
.rail a:last-child{border-bottom:1px solid var(--line-dark)}
.rail a i{width:16px;height:8px;background:var(--crimson);opacity:0;transition:opacity .2s;flex:none}
.rail a.active{color:var(--paper)}
.rail a.active i{opacity:1}

/* situations */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:clamp(24px,3vw,44px);margin-top:32px;max-width:1120px}
@media(max-width:1000px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.cards{grid-template-columns:1fr}}
.card{border-top:1px solid var(--line-light);padding:18px 0 22px}
.card h3{font-size:18px;line-height:1.3}
.card p{margin:8px 0 0;font-size:14.5px;line-height:1.55;color:var(--muted-on-paper)}

/* pillars */
.pillars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(28px,4vw,64px);margin-top:36px;max-width:1060px}
@media(max-width:780px){.pillars{grid-template-columns:1fr}}
.pillar{border-top:1px solid var(--line-dark);padding:22px 0}
.pillar h3{font-size:26px;display:flex;align-items:center;gap:16px}
.pillar h3 i{width:24px;height:9px;background:var(--crimson);flex:none}
.pillar p{margin:10px 0 0 40px;font-size:15.5px;color:var(--muted-on-ink)}
@media(max-width:520px){.pillar p{margin-left:0}}

.transversal{border-top:1px solid var(--crimson);border-bottom:1px solid var(--line-dark);padding:22px 0 24px;margin-top:0;max-width:1060px}
.transversal h3{font-size:26px;display:flex;align-items:center;gap:16px;margin-top:10px;font-family:'DM Sans',sans-serif;font-weight:700}
.transversal h3 i{width:24px;height:9px;background:var(--crimson);flex:none}
.transversal p{margin:10px 0 0 40px;font-size:15.5px;color:var(--muted-on-ink);max-width:70ch}
@media(max-width:520px){.transversal p{margin-left:0}}

/* phases */
.phases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,48px);margin-top:18px;max-width:1080px}
@media(max-width:820px){.phases{grid-template-columns:1fr}}
.phase{border-top:1px solid var(--line-light);padding-top:22px}
.phase .num{font-family:'IBM Plex Mono',monospace;font-size:34px;color:var(--ochre-dark)}
.phase h3{font-size:26px;margin-top:14px}
.phase .dur{margin-top:10px;color:var(--muted-on-paper)}
.phase p{font-size:15px;line-height:1.55;color:#34302A}
.venn{margin-top:8px}
/* methode — chapeau + schema */
.method-top{display:grid;grid-template-columns:minmax(0,1fr) 258px;gap:clamp(24px,3.4vw,52px);align-items:center;margin-top:16px}
@media(max-width:900px){.method-top{grid-template-columns:1fr}}
.method-top .venn{justify-self:end;margin:0}
.method-copy p{margin-top:26px}
@media(max-width:900px){.method-top .venn{justify-self:start}}

/* case */
.case-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start;margin-top:36px}
@media(max-width:900px){.case-grid{grid-template-columns:1fr}}
.quote{font-family:'DM Sans',sans-serif;font-weight:700;font-size:clamp(17px,1.65vw,21px);line-height:1.4}
.quote p{margin:0 0 18px}
.quote p:last-child{margin-bottom:0}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(22px,2.6vw,34px);margin-top:clamp(30px,3.6vw,44px);border-top:1px solid rgba(245,239,227,.35);padding-top:clamp(24px,3vw,34px)}
.facts div{font-family:'IBM Plex Mono',monospace}
.facts b{display:block;font-size:clamp(38px,4.4vw,60px);font-weight:400;line-height:1}
.facts span{display:block;margin-top:12px;font-size:10px;letter-spacing:0.16em;text-transform:uppercase;line-height:1.6;color:rgba(245,239,227,.8)}

/* founder */
.founder{display:grid;grid-template-columns:280px minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:center}
@media(max-width:820px){.founder{grid-template-columns:1fr;max-width:520px;gap:26px}.founder img{max-width:250px}}
.founder img{width:100%;height:auto}
.meta{margin-top:26px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--muted-on-paper);line-height:2}

.namebox{display:grid;grid-template-columns:100px minmax(0,1fr);gap:clamp(12px,1.6vw,20px);align-items:start;margin-top:30px;border:1px solid var(--line-light);border-top:2px solid var(--crimson);padding:18px 20px 20px}
.namebox p{margin:0;font-size:14.5px;line-height:1.6;color:#4A443C}
.namebox p+p{margin-top:5px}
@media(max-width:620px){.namebox{grid-template-columns:1fr;gap:10px}}
.formation{margin-top:26px;padding-top:16px;border-top:1px solid var(--line-light);font-family:'IBM Plex Mono',monospace;font-size:10.5px;letter-spacing:0.12em;text-transform:uppercase;line-height:1.9;color:var(--muted-on-paper)}
.sectors{display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:34px}
.sectors .chip{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.14em;text-transform:uppercase;color:var(--crimson);border:1px solid rgba(138,28,41,.35);padding:9px 16px;white-space:nowrap}
@media(max-width:560px){.sectors .chip{white-space:normal}}
.ways{margin-top:32px}
.way{border-top:1px solid var(--line-dark);padding:20px 0 22px}
.way:first-child{border:1px solid var(--line-dark);border-left:3px solid var(--crimson);padding:22px 24px;background:rgba(245,239,227,.045)}
.way p{margin:12px 0 0;font-size:16px}
.way p a{border-bottom:1px solid var(--sand)}
.way .btn{margin-top:18px}
.footlegal{margin-top:34px;padding-top:18px;border-top:1px solid rgba(245,239,227,.12);display:flex;flex-wrap:wrap;gap:8px 26px;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted-on-ink)}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,430px);gap:clamp(28px,4vw,64px);align-items:center;margin-top:36px}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
.formslot{background:var(--paper);color:var(--ink);border-top:3px solid var(--crimson);padding:clamp(20px,2.4vw,30px) clamp(16px,2vw,24px) clamp(12px,1.6vw,18px);box-shadow:0 20px 44px rgba(0,0,0,.30)}
.formslot iframe{display:block}
.formlabel{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.18em;text-transform:uppercase;color:var(--muted-on-paper);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line-light)}
.alt{margin-top:26px;padding-top:22px;border-top:1px solid var(--line-dark)}

/* footer */
footer{padding:48px var(--gutter) 40px;background:var(--ink)}
.foot{display:flex;flex-wrap:wrap;gap:36px;justify-content:space-between}
.foot .legal{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.06em;color:var(--muted-on-ink);line-height:2}
.foot nav{flex-wrap:wrap;gap:18px}
@media(max-width:900px){.foot nav{gap:4px 18px}.foot nav a{padding:9px 0}.way p a{display:inline-block;padding:6px 0}}

/* --- scroll reveal (only when JS is on, so no-JS keeps everything visible) --- */
.js .rv{opacity:0;transform:translateY(20px)}
@media(prefers-reduced-motion:no-preference){
.js .rv{transition:opacity .75s cubic-bezier(.2,.7,.3,1),transform .75s cubic-bezier(.2,.7,.3,1)}}
.js .rv.in{opacity:1;transform:none}

/* --- situations: index + crimson rule that fills on hover --- */
.card{position:relative}
.card .idx{display:block;font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:0.2em;color:var(--crimson);margin-bottom:10px}
.card::after{content:"";position:absolute;top:-1px;left:0;width:0;height:2px;background:var(--crimson);transition:width .5s cubic-bezier(.2,.7,.3,1)}
.card:hover::after{width:100%}
.pillar h3 i,.transversal h3 i{transition:width .35s cubic-bezier(.2,.7,.3,1)}
.pillar:hover h3 i{width:42px}

/* --- method: timeline --- */
.timeline{position:relative;margin-top:30px;max-width:1080px}
.tl-line{position:absolute;top:7px;left:6px;right:6px;height:1px;background:var(--line-light)}
.tl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,48px)}
.tl-step{position:relative;padding-top:34px}
.tl-step::before{content:"";position:absolute;top:0;left:0;width:13px;height:13px;border-radius:50%;background:var(--paper);border:1px solid var(--crimson)}
.tl-step::after{content:"";position:absolute;top:4px;left:4px;width:5px;height:5px;border-radius:50%;background:var(--crimson);transition:transform .4s}
.tl-step:hover::after{transform:scale(1.9)}
.tl-step .num{font-family:'IBM Plex Mono',monospace;font-size:30px;color:var(--ochre-dark);line-height:1}
.tl-step h3{font-size:25px;margin-top:12px}
.tl-step .dur{margin-top:10px;color:var(--muted-on-paper)}
.tl-step p{font-size:15px;line-height:1.55;color:#34302A;margin-top:12px}
@media(max-width:820px){
.tl-grid{grid-template-columns:1fr;gap:0}
.tl-line{top:7px;bottom:26px;left:6px;right:auto;width:1px;height:auto}
.tl-step{padding:0 0 30px 32px}}

/* --- client work: attribution + large figures --- */
.attrib{margin-top:26px;padding-top:18px;border-top:1px solid rgba(245,239,227,.3)}
.attrib .name{display:block;font-family:'DM Sans',sans-serif;font-weight:700;font-size:15px;letter-spacing:0}
.attrib .role{display:block;margin-top:7px;font-size:12.6px;line-height:1.7;color:rgba(245,239,227,.8)}

/* --- hero label block on small screens --- */
@media(max-width:700px){
.hero .tags{display:block;border-top:none}
.hero .tags span{display:block;padding:11px 0;border-top:1px solid var(--line-dark)}
.hero .tags span+span{border-left:none;padding-left:0}}

/* --- sub-pages --- */
.page-hero{padding:clamp(52px,6.5vw,86px) var(--gutter) clamp(34px,4vw,52px)}
.page-hero h1{font-size:clamp(30px,4.2vw,56px);max-width:20ch;margin-top:20px}
.page-hero .lead{margin-top:26px}
.back{display:inline-block;margin-top:34px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.16em;text-transform:uppercase;border-bottom:1px solid var(--crimson);padding-bottom:3px}
.more{display:inline-block;margin-top:26px;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:0.16em;text-transform:uppercase;border-bottom:1px solid var(--crimson);padding-bottom:3px}
.paper .more,.paper .back{color:var(--ink)}
.blocks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 clamp(28px,4vw,64px);margin-top:30px;max-width:1080px}
@media(max-width:780px){.blocks{grid-template-columns:1fr}}
.block{border-top:1px solid var(--line-light);padding:20px 0 24px}
.paper .block{border-top-color:var(--line-light)}
.block h3{font-size:21px;line-height:1.3}
.block p{margin:9px 0 0;font-size:15px;line-height:1.58;color:var(--muted-on-paper)}
.ink-block{border-top:1px solid var(--line-dark)}
.ink-block p{color:var(--muted-on-ink)}
.stack{max-width:74ch;margin-top:26px}
.stack p{font-size:16.5px;line-height:1.65;margin:0 0 16px}
.caselead{font-family:'DM Sans',sans-serif;font-weight:700;font-size:clamp(20px,2.2vw,27px);line-height:1.3;margin:0 0 18px}

/* figures as a single row at the head of the client-work column */
.facts-row{grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,2.6vw,40px);margin-top:clamp(28px,3.4vw,40px);border-top:none;padding-top:0;border-bottom:1px solid rgba(245,239,227,.35);padding-bottom:clamp(26px,3vw,36px);margin-bottom:clamp(30px,3.4vw,44px)}
.facts-row b{font-size:clamp(34px,3.8vw,56px)}
.facts-row span{margin-top:12px;font-size:11px;letter-spacing:0.15em;color:rgba(245,239,227,.9)}
@media(max-width:620px){.facts-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 18px}}

.case-split{grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);margin-top:0}
@media(max-width:900px){.case-split{grid-template-columns:1fr}}