/* ============================================================
   UNKILLABLE COMPANIES — case studies
   Librairie (/case-studies/), pages de cas (/case-studies/<slug>/)
   et section de la home. Pages generees par tools/build_cases.py :
   ne pas editer le HTML a la main, editer tools/cases.py.
   Se pose sur uc.css (tokens, surfaces, typo, grille, apparition).
   ============================================================ */

/* ---------- navigation des pages secondaires (comme /testimonials) ---------- */
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:clamp(10.5px,.78vw,12px);text-transform:uppercase;letter-spacing:.1em}
.nav-home{color:var(--fg);font-weight:500}
.nav-home:hover{color:var(--fg-2)}
.nav-r{display:flex;align-items:center;gap:clamp(18px,2.6vw,36px)}
.nav-r > a:not(.textlink){color:var(--fg-2);transition:color .3s var(--ease)}
.nav-r > a:not(.textlink):hover{color:var(--fg)}
@media (max-width:560px){.nav-r .nav-hide{display:none}}

/* ============================================================
   BENTO — une carte par cas. Le sur-titre dit qui (client, nous,
   cas sectoriel) et le domaine ; la phrase dit le resultat.
   ============================================================ */
.cs-bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));
  grid-auto-rows:minmax(clamp(210px,16vw,260px),auto);grid-auto-flow:dense;
  gap:clamp(10px,1.1vw,16px);margin-top:clamp(34px,4.4vw,58px)}
.cs-card{grid-column:span 4;position:relative;isolation:isolate;overflow:hidden;
  display:flex;flex-direction:column;gap:clamp(18px,2vw,26px);
  padding:clamp(20px,2.2vw,30px);border:1px solid var(--line);
  background:rgba(255,255,255,.022);color:var(--fg);
  transition:border-color .45s var(--ease),background .45s var(--ease)}
.cs-card:hover{border-color:var(--line-2);background:rgba(255,255,255,.045)}
.cs-card--xl{grid-column:span 8;grid-row:span 2}
.cs-card--tall{grid-row:span 2}
.cs-card--wide{grid-column:span 6}
.cs-card .eyebrow{color:var(--fg-3)}
.cs-h{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:clamp(14px,1.6vw,22px)}
.cs-card h3{font-size:clamp(1.2rem,1.6vw,1.5rem);font-weight:500;letter-spacing:-.04em;line-height:1.16;
  max-width:26ch;text-wrap:pretty}
.cs-h .arrow{width:24px;height:15px;flex:none;margin-bottom:.3em;color:var(--fg-3);
  transition:transform .45s var(--ease),color .45s var(--ease)}
.cs-card:hover .cs-h .arrow{transform:translateX(4px);color:var(--fg)}

/* grandes cartes : la phrase monte, la photo en fond */
.cs-card--xl h3{font-size:clamp(1.9rem,3.4vw,3.1rem);letter-spacing:-.05em;line-height:1.06;max-width:19ch}
.cs-card--tall h3{font-size:clamp(1.45rem,2.15vw,1.95rem);letter-spacing:-.045em;line-height:1.1}
.cs-card--wide h3{font-size:clamp(1.3rem,1.85vw,1.7rem)}
.cs-card--photo{--fg:#fff;--fg-2:rgba(255,255,255,.84);--fg-3:rgba(255,255,255,.66);
  --line:rgba(255,255,255,.26);--line-2:rgba(255,255,255,.5);border-color:transparent;background:#1a2126}
.cs-card--photo:hover{border-color:transparent}
.cs-bg{position:absolute;inset:0;z-index:-1}
.cs-bg img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.cs-card--photo:hover .cs-bg img{transform:scale(1.035)}
.cs-bg::before{content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(to bottom,rgba(11,14,16,.34) 0%,rgba(11,14,16,.1) 34%,rgba(11,14,16,.5) 66%,rgba(11,14,16,.86) 100%)}
.cs-bg::after{content:"";position:absolute;inset:0;z-index:2;background-image:var(--grain);opacity:.16;mix-blend-mode:multiply}
.cs-card .corners i{width:15px;height:15px}
.cs-card .corners i:nth-child(1){left:12px;top:12px}
.cs-card .corners i:nth-child(2){right:12px;top:12px}
.cs-card .corners i:nth-child(3){right:12px;bottom:12px}
.cs-card .corners i:nth-child(4){left:12px;bottom:12px}
.cs-card--photo .eyebrow{padding-left:20px}

/* cartes larges : la photo en bande a droite, le texte garde sa colonne */
.cs-card--wide{padding-right:calc(42% + clamp(20px,2.2vw,30px))}
.cs-side{position:absolute;top:0;right:0;bottom:0;width:42%;z-index:-1}
.cs-side img{transition:transform 1.1s var(--ease)}
.cs-card--wide:hover .cs-side img{transform:scale(1.035)}
.cs-bento.is-filtered .cs-card--wide{padding-right:clamp(20px,2.2vw,30px)}
.cs-bento.is-filtered .cs-side{display:none}

/* filtres : actifs seulement avec JS ; un filtre actif aplatit le bento (aucun trou) */
.cs-filters{display:flex;flex-wrap:wrap;gap:8px;margin-top:clamp(30px,3.6vw,46px)}
html:not(.has-js) .cs-filters{display:none}
.cs-filters button{font:inherit;cursor:pointer;background:transparent;color:var(--fg-2);
  border:1px solid var(--line);padding:9px 14px;line-height:1;
  font-size:clamp(10.5px,.8vw,12px);text-transform:uppercase;letter-spacing:.09em;
  transition:color .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease)}
.cs-filters button:hover{color:var(--fg);border-color:var(--line-2)}
.cs-filters button[aria-pressed="true"]{color:var(--ink);background:var(--fg);border-color:var(--fg)}
.cs-filters button span{margin-left:8px;opacity:.6;font-variant-numeric:tabular-nums}
.cs-bento.is-filtered .cs-card{grid-column:span 4;grid-row:span 1}
.cs-bento.is-filtered .cs-card h3{font-size:clamp(1.2rem,1.6vw,1.5rem);letter-spacing:-.04em;line-height:1.16;max-width:26ch}
.cs-card[hidden]{display:none}
.cs-count{margin-top:18px;color:var(--fg-3);font-size:13px}

@media (max-width:1100px){
  .cs-bento{grid-template-columns:repeat(6,minmax(0,1fr))}
  .cs-card,.cs-card--wide,.cs-bento.is-filtered .cs-card{grid-column:span 3}
  .cs-card--xl{grid-column:span 6}
  .cs-card--wide{padding-right:clamp(20px,2.2vw,30px)}
  .cs-card--wide .cs-side{display:none}
}
@media (max-width:700px){
  .cs-bento{grid-template-columns:1fr;grid-auto-rows:auto}
  .cs-card,.cs-card--wide,.cs-card--xl,.cs-bento.is-filtered .cs-card{grid-column:auto;grid-row:auto}
  .cs-card{min-height:200px}
  .cs-card--xl,.cs-card--tall{min-height:360px}
  .cs-card--xl h3,.cs-card--tall h3{font-size:clamp(1.45rem,6.4vw,1.75rem);line-height:1.1}
}

/* ---------- section de la home : sous « Hear from our clients », meme encre ---------- */
.cs-home{padding-top:0}
.cs-home .wrap.split{padding-top:clamp(56px,7vw,96px);border-top:1px solid var(--line)}
.cs-home .cs-all{justify-self:end;margin-bottom:.6em}
@media (max-width:980px){.cs-home .cs-all{justify-self:start;margin-bottom:0}}

/* ============================================================
   LIBRAIRIE
   ============================================================ */
.cs-lib-hero{padding:clamp(22px,3vw,34px) 0 clamp(40px,5vw,70px)}
.cs-lib-hero h1{margin-top:clamp(56px,9vw,130px);max-width:15ch}
.cs-lib-hero .lead{margin-top:clamp(20px,2.4vw,30px);max-width:46ch}
#library{padding-top:0}
@media (max-width:600px){
  /* filtres : une bande qui defile au doigt, sans faire deborder la page */
  .cs-filters{flex-wrap:nowrap;overflow-x:auto;margin-inline:calc(var(--gutter) * -1);padding:2px var(--gutter);
    scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .cs-filters::-webkit-scrollbar{display:none}
  .cs-filters button{flex:none}
}
.cs-method{margin-top:clamp(48px,6vw,84px);padding-top:clamp(22px,2.6vw,30px);border-top:1px solid var(--line);
  display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(24px,5vw,80px)}
.cs-method p{color:var(--fg-3);font-size:.94em;max-width:62ch}
@media (max-width:980px){.cs-method{grid-template-columns:1fr}}

/* ============================================================
   PAGE DE CAS — l'inspiration d'abord, les chiffres, puis le
   mecanisme, l'avant / apres et l'impact
   ============================================================ */
.cs-hero{padding:clamp(22px,3vw,34px) 0 clamp(44px,5vw,72px)}
.cs-crumb{margin-top:clamp(56px,8vw,120px)}
.cs-hero h1{margin-top:clamp(18px,2.2vw,26px);max-width:23ch;font-size:clamp(2.2rem,4.4vw,4rem);line-height:1.02}
.cs-hero .lead{margin-top:clamp(22px,2.6vw,32px);max-width:44ch}
.cs-facts{margin-top:clamp(40px,5vw,64px);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line)}
.cs-facts div{padding:clamp(14px,1.8vw,20px) clamp(14px,2vw,26px) 0;display:flex;flex-direction:column;gap:6px}
.cs-facts div:first-child{padding-left:0}
.cs-facts div + div{border-left:1px solid var(--line)}
.cs-facts dt{font-size:clamp(10.5px,.78vw,12px);text-transform:uppercase;letter-spacing:.1em;color:var(--fg-3)}
.cs-facts dd{color:var(--fg);letter-spacing:-.02em;line-height:1.3;text-wrap:pretty}
@media (max-width:760px){
  .cs-facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cs-facts div{padding:14px 14px 14px 0;border-bottom:1px solid var(--line)}
  .cs-facts div + div{border-left:0}
  .cs-facts div:nth-child(even){padding-left:14px;border-left:1px solid var(--line)}
}

/* visuel d'ouverture : photo, video ou capture */
.cs-media{padding:0}
.cs-media .frame{aspect-ratio:21/9}
.cs-media .frame.is-video,.cs-media .frame.is-shot{aspect-ratio:16/9}
.cs-media figcaption{margin-top:14px;color:var(--fg-3);font-size:13px}
.cs-media + .sec{padding-top:clamp(56px,7vw,100px)}
@media (max-width:760px){.cs-media .frame{aspect-ratio:4/3}}
.yt{position:relative;display:block}
.yt img{transition:transform .7s var(--ease)}
.yt:hover img{transform:scale(1.025)}
.play{position:absolute;left:50%;top:50%;z-index:4;transform:translate(-50%,-50%);
  width:clamp(56px,5.4vw,76px);height:clamp(56px,5.4vw,76px);border:1px solid rgba(255,255,255,.85);
  border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;
  background:rgba(11,14,16,.28);transition:background .35s var(--ease)}
.play svg{width:42%;height:42%;margin-left:6%}
.yt:hover .play{background:rgba(11,14,16,.5)}

/* les chiffres clefs */
.cs-nums{display:grid;grid-template-columns:repeat(var(--n,3),minmax(0,1fr));border-top:1px solid var(--line);
  border-bottom:1px solid var(--line)}
.cs-nums > div{padding:clamp(24px,3vw,40px) clamp(18px,2.6vw,36px);display:flex;flex-direction:column;gap:12px}
.cs-nums > div:first-child{padding-left:0}
.cs-nums > div + div{border-left:1px solid var(--line)}
.cs-nums b{font-weight:300;font-size:clamp(3rem,6.4vw,5.6rem);letter-spacing:-.065em;line-height:.9;
  font-variant-numeric:tabular-nums}
.cs-nums span{color:var(--fg-2);max-width:26ch;text-wrap:pretty}
.cs-nums-note{margin-top:16px;color:var(--fg-3);font-size:12.5px;max-width:80ch}
@media (max-width:760px){
  .cs-nums{grid-template-columns:1fr}
  .cs-nums > div{padding:22px 0}
  .cs-nums > div + div{border-left:0;border-top:1px solid var(--line)}
}

/* le recit : titre a gauche, texte a droite */
.cs-story{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:clamp(28px,6vw,110px);align-items:start}
.cs-story h2{font-size:clamp(1.9rem,3.8vw,3.1rem);max-width:13ch}
.cs-story .eyebrow{display:block;margin-bottom:clamp(14px,1.8vw,20px)}
.cs-prose{display:flex;flex-direction:column;gap:1.05em}
.cs-prose p{color:var(--fg-2);max-width:60ch;text-wrap:pretty;font-size:clamp(1rem,1.15vw,1.08rem)}
.cs-prose p:first-child{color:var(--fg);font-size:clamp(1.12rem,1.6vw,1.38rem);letter-spacing:-.025em;line-height:1.38}
.cs-prose .list{margin-top:.4em}
.cs-prose .list li{color:var(--fg-2)}
.cs-prose b{font-weight:500;color:var(--fg)}
@media (max-width:980px){.cs-story{grid-template-columns:1fr}}

/* comment ca marche : les etapes sur un rail */
.cs-steps{list-style:none;counter-reset:s;margin-top:clamp(40px,5vw,66px);
  display:grid;grid-template-columns:repeat(var(--n,4),minmax(0,1fr));column-gap:clamp(22px,3vw,48px);position:relative}
.cs-steps::before{content:"";position:absolute;left:0;right:0;top:calc(26px + clamp(18px,2.2vw,28px));height:1px;background:var(--line)}
.cs-steps li{counter-increment:s;position:relative;padding-top:calc(26px + clamp(18px,2.2vw,28px) * 2)}
.cs-steps li::before{content:"Step " counter(s,decimal-leading-zero);position:absolute;left:0;top:0;
  display:inline-flex;align-items:center;min-height:26px;padding:4px 9px;border:1px solid var(--line-2);
  color:var(--fg-2);font-size:10px;text-transform:uppercase;letter-spacing:.08em;line-height:1}
.cs-steps li::after{content:"";position:absolute;left:0;top:calc(26px + clamp(18px,2.2vw,28px));width:11px;height:11px;
  border-radius:50%;border:1px solid var(--fg);background:var(--bg);transform:translate(-1px,-50%)}
.cs-steps h3{font-size:clamp(1.12rem,1.6vw,1.38rem);letter-spacing:-.035em;line-height:1.12}
.cs-steps p{margin-top:10px;color:var(--fg-2);text-wrap:pretty;font-size:.96em}
@media (max-width:980px){
  .cs-steps{grid-template-columns:1fr;row-gap:clamp(28px,4vw,40px)}
  .cs-steps::before{display:none}
  .cs-steps li{padding-top:clamp(20px,2.6vw,28px);border-top:1px solid var(--line)}
  .cs-steps li::before{position:static;margin-bottom:14px}
  .cs-steps li::after{top:0}
}

/* avant / apres */
.cs-ba{margin-top:clamp(36px,4.6vw,60px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(28px,5vw,80px)}
.cs-ba h3{display:flex;align-items:baseline;gap:14px;margin-bottom:clamp(14px,2vw,22px);
  font-size:clamp(1.3rem,2.2vw,1.8rem)}
.cs-ba h3 small{font-size:clamp(10.5px,.78vw,12px);font-weight:400;text-transform:uppercase;letter-spacing:.1em;color:var(--fg-3)}
.cs-ba .list li{padding-left:34px}
.cs-ba .list li::before{width:auto;height:auto;background:none;top:14px;font-size:1.05em;line-height:1.55;color:var(--fg-3)}
.cs-ba .was li::before{content:"−"}
.cs-ba .now li{color:var(--fg)}
.cs-ba .now li::before{content:"+";color:var(--fg)}
.cs-ba .was li{color:var(--fg-2)}
@media (max-width:760px){.cs-ba{grid-template-columns:1fr}}

/* le deplacement : une phrase, en grand */
.cs-shift{margin-top:clamp(56px,7vw,100px);display:grid;grid-template-columns:auto minmax(0,1fr);
  gap:clamp(18px,3vw,40px);align-items:start;padding-top:clamp(24px,3vw,36px);border-top:1px solid var(--line)}
.cs-shift .arrow{color:var(--fg);width:56px;height:35px;margin-top:.15em}
.cs-shift p{font-size:clamp(1.4rem,2.9vw,2.4rem);letter-spacing:-.045em;line-height:1.14;max-width:30ch;text-wrap:balance}
.cs-shift .eyebrow{display:block;margin-bottom:14px}
@media (max-width:760px){.cs-shift{grid-template-columns:1fr}.cs-shift .arrow{display:none}}

/* citation */
.cs-quote{margin:0;max-width:980px}
.cs-quote blockquote{font-size:clamp(1.45rem,3vw,2.5rem);letter-spacing:-.045em;line-height:1.16;text-wrap:pretty}
.cs-quote figcaption{margin-top:clamp(18px,2.2vw,26px);color:var(--fg-3);font-size:13.5px}

/* impact : chiffre, puis la phrase */
.cs-impact{margin-top:clamp(36px,4.6vw,60px);list-style:none;border-top:1px solid var(--line)}
.cs-impact li{display:grid;grid-template-columns:minmax(0,.42fr) minmax(0,1fr);gap:clamp(18px,4vw,60px);
  padding:clamp(18px,2.4vw,28px) 0;border-bottom:1px solid var(--line);align-items:baseline}
.cs-impact b{font-weight:400;font-size:clamp(1.5rem,2.8vw,2.3rem);letter-spacing:-.05em;line-height:1;
  font-variant-numeric:tabular-nums}
.cs-impact span{color:var(--fg);font-size:clamp(1rem,1.2vw,1.12rem);letter-spacing:-.015em;max-width:60ch;text-wrap:pretty}
@media (max-width:640px){.cs-impact li{grid-template-columns:1fr;gap:8px}}

.cs-stack{margin-top:clamp(36px,4.4vw,56px);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.cs-stack .eyebrow{margin-right:10px}
.cs-honest{margin-top:clamp(28px,3.4vw,40px);color:var(--fg-3);font-size:13px;max-width:78ch}

/* galerie de captures */
.cs-shots{margin-top:clamp(36px,4.6vw,60px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.cs-shots figure{margin:0}
.cs-shots .frame{aspect-ratio:16/10;background:#d6dde1}
.cs-shots .frame img{object-fit:cover;object-position:top left}
.cs-shots figcaption{margin-top:10px;color:var(--fg-3);font-size:13px}
@media (max-width:760px){.cs-shots{grid-template-columns:1fr}}

/* autres cas */
.cs-more .cs-bento{grid-auto-rows:minmax(clamp(200px,15vw,240px),auto)}
.cs-next{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 40px}

/* appel final */
.final h2{max-width:none;font-size:clamp(2rem,4.5vw,3.6rem);text-wrap:normal}