/* ============================================================
   UNIK 2026 — Design System
   Règles : aplats only (aucun dégradé), aucune italique,
   aucun texte qui défile. Mouvement piloté par le scroll.
   ============================================================ */

:root{
  --black:#1A1A1A;
  --orange:#F5A623;
  --white:#FFFFFF;
  --anthracite:#2E2E2E;
  --red:#E03B3B;
  --grey:#B3B3B3;
  /* Tokens sémantiques (thème) */
  --bg:#1A1A1A;        /* fond de page / sections / cards sombres */
  --fg:#FFFFFF;        /* texte principal */
  --surface:#2E2E2E;   /* surface secondaire */
  --muted:#B3B3B3;     /* texte secondaire */
  --ink:#1A1A1A;       /* encre : toujours foncée (sur orange / sur clair) */
  --paper:#FFFFFF;     /* îlot clair (grille partenaires) */
  --glass:rgba(26,26,26,.85);
  --line:rgba(255,255,255,.14);
  --line-dark:rgba(26,26,26,.14);

  --wrap:1280px;
  --pad:clamp(20px,5vw,80px);
  --ease:cubic-bezier(.22,1,.36,1);

  --f-display:"Space Grotesk",system-ui,sans-serif;
  --f-body:"Inter",system-ui,sans-serif;
}

/* ---------- Thème clair ---------- */
:root[data-theme="light"]{
  --bg:#F4F1EA;
  --fg:#1A1A1A;
  --surface:#EAE3D3;
  --muted:#5C5A54;
  --paper:#FFFFFF;
  --glass:rgba(244,241,234,.86);
  --line:rgba(26,26,26,.16);
  --line-dark:rgba(26,26,26,.16);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--fg);
  font-family:var(--f-body);
  font-weight:400;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;line-height:1.02;letter-spacing:-.02em}
::selection{background:var(--orange);color:var(--ink)}

.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--pad);width:100%}
.section{padding-block:clamp(52px,7vw,96px)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--f-display);font-weight:600;font-size:1rem;
  letter-spacing:-.01em;
  background:var(--orange);color:var(--ink);
  padding:1em 1.6em;border:1px solid var(--orange);
  border-radius:4px;
  transition:background .3s var(--ease),color .3s var(--ease),transform .3s var(--ease);
  will-change:transform;
}
.btn::after{content:"";width:0;height:0;
  border-top:5px solid transparent;border-bottom:5px solid transparent;
  border-left:7px solid currentColor;transition:transform .3s var(--ease)}
.btn:hover{background:var(--fg);border-color:var(--fg);transform:translateY(-2px)}
.btn:hover::after{transform:translateX(4px)}
.btn--ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn--ghost:hover{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn--sm{padding:.75em 1.2em;font-size:.9rem}

/* ---------- Eyebrow ---------- */
.eyebrow{
  font-family:var(--f-display);font-weight:500;
  text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;
  color:var(--orange);
}

/* ---------- Progress + cursor ---------- */
.progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--orange);z-index:200;transform:scaleX(0);transform-origin:left}
.cursor{
  position:fixed;top:0;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--orange);pointer-events:none;z-index:300;
  transform:translate(-50%,-50%);transition:width .25s var(--ease),height .25s var(--ease),background .25s var(--ease);
  mix-blend-mode:difference;display:none;
}
.cursor.is-label{width:64px;height:64px;background:var(--fg)}
.cursor::after{content:attr(data-label);position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--f-display);font-size:.7rem;font-weight:600;color:var(--bg);
  text-transform:uppercase;letter-spacing:.05em;opacity:0;transition:opacity .2s}
.cursor.is-label::after{opacity:1}

/* ---------- Header ---------- */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;gap:2rem;
  padding:1.4rem var(--pad);
  transition:padding .4s var(--ease),background .4s var(--ease),border-color .4s var(--ease);
  border-bottom:1px solid transparent;
}
.header.is-stuck{
  padding-block:.9rem;background:var(--glass);
  backdrop-filter:blur(12px);border-bottom-color:var(--line);
}
.brand{display:inline-flex;align-items:center;font-family:var(--f-display);font-weight:700;font-size:1.6rem;letter-spacing:-.03em}
.brand span{color:var(--orange)}
.brand img{display:block;width:auto;height:clamp(26px,2.4vw,34px)}
/* Logo adapté au thème : « i » crème sur fond sombre, « i » encre sur fond clair */
.brand .brand__l{display:none}
:root[data-theme="light"] .brand .brand__d{display:none}
:root[data-theme="light"] .brand .brand__l{display:block}

/* Actions header (toggle thème + CTA) */
.header__actions{display:flex;align-items:center;gap:1rem}
.themebtn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  background:transparent;border:1px solid var(--line);border-radius:50%;color:var(--fg);cursor:pointer;
  transition:color .25s var(--ease),border-color .25s var(--ease),background .25s var(--ease)}
.themebtn:hover{border-color:var(--orange);color:var(--orange)}
.themebtn svg{display:block}
.nav{display:flex;gap:2rem}
.nav a{
  font-size:.92rem;font-weight:500;color:var(--muted);position:relative;padding-block:.2rem;
  transition:color .25s var(--ease);
}
.nav a::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--orange);transition:width .3s var(--ease)}
.nav a:hover{color:var(--fg)}
.nav a:hover::after{width:100%}

.burger{display:none;flex-direction:column;gap:6px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:2px;background:var(--fg);transition:transform .3s var(--ease),opacity .3s}
.burger[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

.menu{
  position:fixed;inset:0;z-index:90;background:var(--bg);
  display:flex;flex-direction:column;justify-content:center;gap:2rem;
  padding:var(--pad);
  transform:translateY(-100%);transition:transform .5s var(--ease);
}
.menu.is-open{transform:translateY(0)}
.menu nav{display:flex;flex-direction:column;gap:1.2rem}
.menu nav a{font-family:var(--f-display);font-weight:600;font-size:2rem;letter-spacing:-.02em}
.menu nav a:hover{color:var(--orange)}

/* ---------- Preloader (simple : logo centré, fond qui s'efface) ---------- */
.preloader{position:fixed;inset:0;z-index:400;display:none;align-items:center;justify-content:center;background:var(--ink)}
.anim .preloader{display:flex}
.preloader__logo{width:auto;height:clamp(34px,6vw,56px)}

/* ---------- Hero (éditorial : texte à gauche, panneau image contrôlé à droite) ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;background:var(--bg);overflow:hidden;
  padding-top:clamp(104px,13vh,150px);padding-bottom:clamp(72px,10vh,120px)}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,5rem);align-items:center;width:100%}

.hero__lead{position:relative;z-index:2}
.hero__title{
  font-size:clamp(2.6rem,6vw,5.4rem);text-transform:uppercase;
  margin:.5em 0 .45em;
}
.hero__title .line{display:block;overflow:hidden}
.hero__title .accent{color:var(--orange)}
.hero__sub{max-width:46ch;color:var(--muted);font-size:clamp(1.05rem,1.35vw,1.25rem);margin-bottom:2.2rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:1rem}

/* Panneau visuel : slides en fondu-volet, contenu, non plein écran */
.hero__visual{position:relative;z-index:1}
.hero__frame{position:relative;width:100%;aspect-ratio:4/5;max-height:74svh;overflow:hidden;
  border-radius:6px;background:var(--surface);border:1px solid var(--line)}
.deck__slide{position:absolute;inset:0;margin:0;clip-path:inset(100% 0 0 0)}
.deck__slide:first-child{clip-path:none}
.deck__slide img{width:100%;height:100%;object-fit:cover;will-change:transform,clip-path}
.hero__frametag{position:absolute;top:0;left:0;z-index:5;display:inline-flex;align-items:center;gap:.15em;
  padding:.7rem 1rem;background:var(--ink);
  font-family:var(--f-display);font-weight:600;font-size:.82rem;letter-spacing:.06em;color:var(--paper)}
.hero__frametag b{color:var(--orange)}
.hero__frametag i{color:var(--muted);margin:0 .1em}

/* Index cliquable des 4 métiers */
.hero__index{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:1px;
  margin-top:1px;background:var(--line);border:1px solid var(--line)}
.hero__index button{width:100%;display:flex;align-items:center;gap:.7rem;
  background:var(--bg);color:var(--muted);border:0;cursor:pointer;text-align:left;
  padding:.95rem 1.1rem;font-family:var(--f-display);font-weight:600;font-size:.95rem;letter-spacing:-.01em;
  transition:color .3s var(--ease),background .3s var(--ease)}
.hero__index button span{font-size:.72rem;font-weight:500;color:var(--orange);letter-spacing:.08em}
.hero__index button:hover{color:var(--fg)}
.hero__index button.is-active{background:var(--orange);color:var(--ink)}
.hero__index button.is-active span{color:var(--ink)}

.hero__scroll{position:absolute;left:var(--pad);bottom:clamp(20px,4vh,44px);z-index:2;
  display:flex;flex-direction:row;align-items:center;gap:.8rem;
  font-family:var(--f-display);font-size:.72rem;text-transform:uppercase;letter-spacing:.2em;color:var(--muted);
  transition:opacity .4s var(--ease)}
/* segment statique en haut de la ligne ; la progression est pilotée par le scroll via JS */
.hero__scroll i{width:48px;height:1px;background:var(--line);position:relative;overflow:hidden}
.hero__scroll i::after{content:"";position:absolute;top:0;left:0;height:100%;width:40%;background:var(--orange);
  transform:translateX(calc(var(--seg,0) * 150%));transition:transform .1s linear}

/* ---------- Manifeste (révélation des mots au scroll) ---------- */
.manifesto{background:var(--bg)}
.manifesto__inner{max-width:1040px}
.manifesto__text{
  font-family:var(--f-display);font-weight:600;letter-spacing:-.02em;line-height:1.28;
  font-size:clamp(1.5rem,3.4vw,2.7rem);color:var(--fg);
  margin-top:1.6rem;max-width:36ch;
}

/* ---------- Section head ---------- */
.shead{display:flex;align-items:baseline;gap:1.4rem;margin-bottom:clamp(1.8rem,3.5vw,3rem);
  padding-bottom:1.4rem;position:relative;--rule:1}
.shead::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:var(--line);
  transform:scaleX(var(--rule));transform-origin:left}
.shead--light::after{background:var(--line-dark)}
.shead--overlay::after{content:none}
.shead__num{font-family:var(--f-display);font-weight:500;color:var(--orange);font-size:.9rem;flex:none}
.shead__title{font-size:clamp(1.6rem,3.6vw,3rem);max-width:20ch}

/* ---------- Why ---------- */
.why__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.why__item{background:var(--bg);padding:clamp(2rem,4vw,3.2rem)}
.why__num{font-family:var(--f-display);font-weight:500;color:var(--muted);font-size:.85rem}
.why__item h3{font-size:clamp(1.3rem,2.4vw,1.9rem);margin:1.2rem 0 .8rem}
.why__item p{color:var(--muted);max-width:42ch}

/* ---------- Stats (section claire = aplat orange) ---------- */
.stats{background:var(--orange);color:var(--ink)}
.stats .eyebrow{color:var(--ink)}
.stats .shead__title{color:var(--ink)}
.stats__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.stat{background:var(--orange);padding:clamp(1.8rem,3.5vw,3rem)}
.stat__val{display:block;font-family:var(--f-display);font-weight:700;font-size:clamp(3rem,7vw,5.5rem);line-height:1;letter-spacing:-.03em}
.stat__label{display:block;margin-top:.8rem;font-weight:500;font-size:.95rem;color:#4a3410}

/* ---------- Expertises ---------- */
.exp__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.exp__card{background:var(--bg);padding:clamp(2rem,4vw,3.4rem);position:relative;
  transition:background .35s var(--ease);overflow:hidden}
.exp__num{font-family:var(--f-display);font-weight:500;color:var(--orange);font-size:.85rem}
.exp__card h3{font-size:clamp(1.3rem,2.2vw,1.8rem);margin:1rem 0 .7rem;max-width:18ch;transition:color .35s var(--ease)}
.exp__card p{color:var(--muted);max-width:40ch;transition:color .35s var(--ease)}
.exp__go{position:absolute;top:clamp(2rem,4vw,3.4rem);right:clamp(2rem,4vw,3.4rem);
  width:34px;height:34px;border:1px solid var(--line);border-radius:50%;
  transition:border-color .35s var(--ease),background .35s var(--ease)}
.exp__go::after{content:"";position:absolute;inset:0;margin:auto;width:0;height:0;
  border-top:4px solid transparent;border-bottom:4px solid transparent;border-left:6px solid var(--fg);
  transition:border-left-color .35s var(--ease)}
.exp__card:hover{background:var(--orange)}
.exp__card:hover h3,.exp__card:hover p{color:var(--ink)}
.exp__card:hover .exp__go{border-color:var(--ink);background:var(--ink)}
.exp__card:hover .exp__go::after{border-left-color:var(--orange)}
.exp__card:hover .exp__num{color:var(--ink)}

/* ---------- Work (galerie horizontale épinglée) ---------- */
.work{background:var(--bg)}
.work__pin{min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding-block:clamp(44px,6vw,80px);overflow:hidden}
.shead--overlay{border-bottom:0;margin-bottom:clamp(2rem,4vw,3rem)}
.work__track{display:flex;align-items:stretch;gap:clamp(16px,2vw,32px);padding-inline:var(--pad);width:max-content;will-change:transform}
.work__lead{flex:none;width:clamp(200px,22vw,300px);display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:2rem}
.work__count{display:flex;align-items:baseline;gap:.6rem;font-family:var(--f-display);color:var(--muted)}
.work__count span:first-child{font-size:clamp(3rem,6vw,5rem);font-weight:700;color:var(--fg);line-height:1}
.work__count i{width:34px;height:1px;background:var(--line)}
.work__hint{margin-top:1.2rem;font-family:var(--f-display);font-size:.72rem;text-transform:uppercase;letter-spacing:.2em;color:var(--orange)}

.wcard{flex:none;width:clamp(280px,34vw,460px);position:relative;display:flex;flex-direction:column}
.wcard__media{position:relative;overflow:hidden;border-radius:6px;aspect-ratio:4/5;background:var(--surface)}
.wcard__media img{width:100%;height:100%;object-fit:cover;will-change:transform}
.wcard figcaption{padding-top:1.2rem}
.wcard figcaption span{font-family:var(--f-display);font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--orange)}
.wcard figcaption h3{font-size:clamp(1.15rem,1.7vw,1.5rem);margin-top:.5rem}
.wcard--cta{flex:none;width:clamp(280px,26vw,360px);justify-content:center;align-items:flex-start;gap:1.4rem;
  border:1px solid var(--line);border-radius:6px;padding:clamp(1.8rem,3vw,2.6rem);transition:background .35s var(--ease)}
.wcard--cta h3{font-size:clamp(1.8rem,3vw,2.6rem);text-transform:uppercase}
.wcard--cta .wcard__go{font-family:var(--f-display);font-weight:600;color:var(--orange);display:inline-flex;align-items:center;gap:.5em}
.wcard--cta .wcard__go::after{content:"";width:0;height:0;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:7px solid currentColor}
.wcard--cta:hover{background:var(--surface)}

/* ---------- Partners (section claire) ---------- */
.partners{background:var(--paper);color:var(--ink)}
.partners .shead__title{color:var(--ink)}
.partners__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.partners__grid span{display:flex;align-items:center;justify-content:center;text-align:center;
  background:var(--paper);padding:2.2rem 1rem;min-height:110px;
  font-family:var(--f-display);font-weight:600;font-size:1.05rem;letter-spacing:-.01em;color:var(--muted);
  transition:color .3s var(--ease),background .3s var(--ease)}
.partners__grid span:hover{color:var(--ink);background:#f4f4f4}
/* Cellules avec vrai logo : couleur d'origine, léger zoom au survol */
.partners__grid .plogo{padding:1.6rem 1.4rem}
.partners__grid .plogo img{max-height:48px;max-width:100%;width:auto;object-fit:contain;
  transition:transform .3s var(--ease)}
.partners__grid .plogo:hover{background:#f4f4f4}
.partners__grid .plogo:hover img{transform:scale(1.05)}

/* ---------- CTA final ---------- */
.cta{background:var(--surface);text-align:center}
.cta__inner{max-width:900px;margin-inline:auto}
.cta__title{font-size:clamp(2rem,5.5vw,4.5rem);margin:1rem auto 2rem;text-transform:uppercase}
.cta__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.cta__tel{display:inline-block;margin-top:clamp(2rem,4vw,3rem);
  font-family:var(--f-display);font-weight:700;letter-spacing:-.02em;
  font-size:clamp(1.7rem,4.6vw,3.4rem);line-height:1;
  transition:color .3s var(--ease)}
.cta__tel:hover{color:var(--orange)}

/* ---------- Footer ---------- */
.foot{border-top:1px solid var(--line);padding-top:clamp(3rem,6vw,5rem);padding-bottom:2rem}
.foot__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2rem}
.foot__brand .brand{font-size:1.8rem;display:inline-flex;margin-bottom:1rem}
.foot__brand .brand img{height:clamp(30px,3vw,40px)}
.foot__brand p{color:var(--muted);max-width:32ch}
.foot h4{font-family:var(--f-display);font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;color:var(--orange);margin-bottom:1rem;font-weight:600}
.foot a,.foot p{display:block;color:var(--muted);margin-bottom:.5rem;transition:color .25s var(--ease)}
.foot a:hover{color:var(--fg)}
.foot__bar{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;margin-top:clamp(3rem,6vw,5rem);
  padding-top:1.6rem;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}
.foot__bar a{display:inline;margin:0}

/* ---------- Reveal + split (pilotés par GSAP ; état caché seulement si .anim) ---------- */
/* Fallback (pas de JS / reduced-motion) : tout est visible par défaut. */
.anim .reveal{opacity:0}
/* Masques pour révélation de titres par mots/lignes */
.line{overflow:hidden}
.line-in{display:block;will-change:transform}
.w{display:inline-block;overflow:hidden;vertical-align:top}
.w-in{display:inline-block;will-change:transform}
/* NB : l'état caché des masques (.line-in/.w-in) est posé par GSAP en JS,
   surtout PAS en CSS transform — sinon GSAP lit ce décalage comme base y (px)
   qu'il ne réinitialise pas en n'animant que yPercent. */

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .nav,.header .btn--sm{display:none}
  .burger{display:flex}
  .hero{align-items:flex-start}
  .hero__grid{grid-template-columns:1fr;gap:2.4rem}
  .hero__visual{order:-1}
  .hero__frame{aspect-ratio:16/11;max-height:none}
  .hero__scroll{display:none}
  .why__grid,.exp__grid{grid-template-columns:1fr}
  .stats__grid{grid-template-columns:repeat(2,1fr)}
  .partners__grid{grid-template-columns:repeat(2,1fr)}
  .work__pin{min-height:0;display:block;overflow:visible;padding-block:clamp(80px,12vw,120px)}
  .work__track{flex-direction:column;width:auto;padding-inline:0;gap:2.4rem}
  .work__lead{width:auto;padding-bottom:0}
  .wcard,.wcard--cta{width:auto}
  .wcard__media{aspect-ratio:4/3}
  .foot__grid{grid-template-columns:1fr 1fr}
  .shead{flex-direction:column;gap:.6rem}
}
@media(max-width:520px){
  .stats__grid{grid-template-columns:1fr}
  .partners__grid{grid-template-columns:repeat(2,1fr)}
  .foot__grid{grid-template-columns:1fr}
  .hero__scroll{display:none}
}

/* ---------- Reduced motion ---------- */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}