/* base.css — couches (@layer), tokens, base, utilitaires, boutons, sections 3 à 11 de la v1 (reprises telles quelles, retravaillées par les blocs suivants) */
@layer reset, tokens, base, layout, components, effects, utilities;

@layer tokens {
/* ============================== TOKENS ============================== */
:root{
  --ink-900:#120F0B;
  --ink-800:#1B1712;
  --forest-900:#1E3329;
  --forest-700:#2E4A3C;
  --paper:#F7F3EA;
  --champagne:#E4D9C4;
  --orange:#E88820;
  --orange-deep:#9C520A;
  --orange-light:#F3A85C;
  --sage:#72967E;
  --muted:#6B6355;
  --muted-dark:#B8AE9C;
  --hairline:rgba(20,17,13,.14);
  --hairline-dark:rgba(247,243,234,.16);
  --gutter:clamp(20px,5vw,64px);
  --font-display:"Outfit",sans-serif;
  --font-body:"Hanken Grotesk",sans-serif;
}
}

@layer base {
/* ============================== BASE ============================== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{overflow-x:clip;margin:0}
body{
  background:var(--paper);
  color:var(--ink-900);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
body.no-scroll{overflow:hidden}

/* Voile de grain très léger, au-dessus du décor, jamais des interactions */
body::before{
  content:"";
  position:fixed;inset:0;z-index:5;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Lien d'évitement */
.skip{
  position:fixed;top:10px;left:10px;z-index:400;
  background:var(--ink-900);color:var(--paper);
  padding:12px 20px;border-radius:6px;
  font-family:var(--font-body);font-weight:500;font-size:13px;letter-spacing:.08em;
  transform:translateY(-200%);text-decoration:none;
}
.skip:focus{transform:none}

/* Focus visible */
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
.on-orange :focus-visible{outline-color:var(--ink-900)}
/* Cible de focus programmatique (sections) : pas de contour, la section n'est pas un contrôle */
[tabindex="-1"]:focus{outline:none}
}

@layer layout {
/* Utilitaires */
.wrap{max-width:1280px;margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(72px,10vw,132px);scroll-margin-top:90px}
.section>*{min-width:0}
.eyebrow{
  font-family:var(--font-body);font-weight:500;font-size:12.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
}
.eyebrow::before{
  content:"";display:inline-block;width:40px;height:2px;
  background:var(--orange);vertical-align:middle;margin-right:14px;
}
.dark .eyebrow{color:var(--muted-dark)}
.sec-label{
  font-family:var(--font-body);font-weight:500;font-size:12.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--orange-deep);
}
.dark .sec-label{color:var(--orange-light)}
.sec-title{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.9rem,3.8vw,3.4rem);line-height:1.12;letter-spacing:-0.015em;
  max-width:20ch;
}
.dark .sec-title{color:var(--paper)}
.sec-intro{color:var(--muted);max-width:46ch;font-size:18px}
.dark .sec-intro{color:var(--muted-dark)}
}

@layer components {
/* Boutons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:16px 28px;border-radius:6px;
  font-family:var(--font-body);font-weight:600;font-size:15px;
  text-decoration:none;transition:background-color .25s ease,transform .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--orange);color:var(--ink-900)}
.btn-primary:hover{background:#D97C14;transform:translateY(-1px)}
.btn-dark{background:var(--ink-900);color:var(--paper)}
.btn-dark:hover{background:#26201A;transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--hairline);color:var(--ink-900);background:transparent}
.btn-ghost:hover{border-color:var(--ink-900)}
.dark .btn-ghost{border-color:var(--hairline-dark);color:var(--paper)}
.dark .btn-ghost:hover{border-color:var(--paper)}

/* ============================== BANDE PREUVE ============================== */
.stats-band{background:var(--ink-900);color:var(--paper);padding-block:clamp(40px,6vw,72px)}
.stats{display:grid;grid-template-columns:repeat(4,1fr)}
.stats li{padding:8px 28px;min-width:0}
.stats li+li{border-left:1px solid var(--hairline-dark)}
.stats li:first-child{padding-left:0}
.stat-num{
  font-family:var(--font-display);font-weight:200;
  font-size:clamp(2.4rem,4.6vw,4rem);line-height:1.05;letter-spacing:-0.01em;
}
.stat-label{
  margin-top:6px;
  font-family:var(--font-body);font-weight:500;font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted-dark);
}
@media (max-width:719px){
  .stats{grid-template-columns:1fr 1fr;row-gap:28px}
  .stats li{padding:0 20px}
  .stats li:first-child{padding-left:0}
  .stats li:nth-child(odd){border-left:0;padding-left:0}
  .stats li:nth-child(n+3){border-top:1px solid var(--hairline-dark);padding-top:24px}
}

/* ============================== SERVICES ============================== */
.section-head{display:grid;gap:18px;margin-bottom:clamp(40px,6vw,72px)}
.services-list{border-top:1px solid var(--hairline)}
.services-list li{
  display:grid;
  grid-template-columns:88px minmax(220px,5fr) 7fr 44px;
  gap:clamp(16px,3vw,44px);align-items:baseline;
  padding:clamp(22px,3vw,34px) 10px;
  border-bottom:1px solid var(--hairline);
  transition:background-color .25s ease;
}
.services-list li:hover{background:rgba(228,217,196,.35)}
.svc-num{
  font-family:var(--font-display);font-weight:200;
  font-size:clamp(1.3rem,2vw,1.75rem);color:var(--orange-deep);
}
.services-list h3{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.25rem,2vw,1.6rem);line-height:1.2;letter-spacing:-0.01em;
}
.svc-desc{color:var(--muted);font-size:16px}
.svc-arrow{
  font-family:var(--font-display);font-size:1.4rem;line-height:1;
  text-align:right;transition:transform .25s ease;
}
.services-list li:hover .svc-arrow{transform:translateX(6px)}
@media (max-width:899px){
  .services-list li{grid-template-columns:64px 1fr;grid-template-rows:auto auto;row-gap:8px}
  .svc-num{grid-row:1}
  .services-list h3{grid-row:1}
  .svc-desc{grid-column:2}
  .svc-arrow{display:none}
}

/* ============================== RÉALISATIONS ============================== */
.dark{background:var(--ink-900);color:var(--paper)}
.reel-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:clamp(32px,4vw,48px);
}
.reel-nav{display:flex;gap:10px;flex:0 0 auto}
.reel-btn{
  width:48px;height:48px;border:1px solid var(--hairline-dark);border-radius:6px;
  color:var(--paper);font-family:var(--font-display);font-size:1.25rem;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .25s ease,border-color .25s ease;
}
.reel-btn:hover{background:var(--ink-800);border-color:rgba(247,243,234,.4)}
.reel-outer{max-width:calc(1280px + 2 * var(--gutter));margin-inline:auto}
.reel{
  overflow-x:auto;overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;
  padding-inline:var(--gutter);
  scroll-padding-inline:var(--gutter);
  scrollbar-width:thin;scrollbar-color:rgba(247,243,234,.3) transparent;
}
.reel::-webkit-scrollbar{height:6px}
.reel::-webkit-scrollbar-track{background:transparent}
.reel::-webkit-scrollbar-thumb{background:rgba(247,243,234,.3);border-radius:3px}
.reel-track{display:flex;gap:clamp(20px,2.5vw,32px)}
.card{
  flex:0 0 min(78vw,560px);scroll-snap-align:start;min-width:0;
  text-decoration:none;color:inherit;
}
.shot{
  border:1px solid var(--hairline-dark);border-radius:8px;overflow:hidden;
  background:var(--ink-800);
}
.shot-bar{
  height:30px;background:var(--ink-800);
  border-radius:8px 8px 0 0;
  display:flex;align-items:center;gap:6px;padding:0 12px;
  border-bottom:1px solid var(--hairline-dark);
}
.shot-bar i{width:8px;height:8px;border-radius:50%;background:rgba(247,243,234,.25)}
.shot img{width:100%;height:auto}
.card-legend{padding-top:18px;display:grid;gap:6px}
.card-legend h3{
  font-family:var(--font-display);font-weight:300;
  font-size:1.5rem;letter-spacing:-0.01em;line-height:1.15;
}
.card-tag{
  font-family:var(--font-body);font-weight:500;font-size:12px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted-dark);
}
.card-link{
  justify-self:start;
  color:var(--orange-light);font-weight:600;font-size:15px;
  text-decoration:none;border-bottom:1px solid transparent;
  transition:border-color .2s ease;padding:8px 0;
}
.card:hover .card-link{border-color:var(--orange-light)}
@media (max-width:899px){
  .reel-head{flex-direction:column;align-items:flex-start;gap:20px}
}

/* ============================== IA ============================== */
.ia{background:var(--forest-900);color:var(--paper)}
.ia-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(40px,6vw,96px);align-items:start}
.ia-left{position:sticky;top:110px}
.ia-left .sec-title{font-weight:200;max-width:14ch}
.ia-body>*+*{margin-top:26px}
.ia-body .sec-intro{font-size:19px}
.ia-points{border-top:1px solid var(--hairline-dark);margin-top:38px}
.ia-points li{
  display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:baseline;
  padding:20px 0;border-bottom:1px solid var(--hairline-dark);
}
.ia-points .num{
  font-family:var(--font-body);font-weight:500;font-size:12.5px;
  letter-spacing:.16em;color:var(--orange-light);
}
.ia-points h3{font-family:var(--font-display);font-weight:300;font-size:1.25rem;line-height:1.3}
.ia-body .btn{margin-top:36px}
@media (max-width:899px){
  .ia-grid{grid-template-columns:1fr}
  .ia-left{position:static}
}

/* ============================== MÉTHODE ============================== */
.methode{background:var(--champagne);color:var(--ink-900)}
.methode .sec-intro{color:#5C5445}
.methode .sec-title,.methode .sec-intro,.commencer .sec-intro{text-wrap:balance}
.methode-col p{text-wrap:pretty}
.methode-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:clamp(40px,6vw,72px)}
.methode-col{padding:0 clamp(20px,2.5vw,36px);min-width:0}
.methode-col:first-child{padding-left:0}
.methode-col+.methode-col{border-left:1px solid rgba(20,17,13,.14)}
.methode-num{
  font-family:var(--font-display);font-weight:200;
  font-size:clamp(4rem,7vw,6rem);line-height:1;color:rgba(18,15,11,.18);
}
.methode-col h3{
  font-family:var(--font-display);font-weight:300;
  font-size:1.8rem;letter-spacing:-0.01em;line-height:1.15;
  margin-top:14px;
}
.methode-col p{margin-top:14px;color:#5C5445}
@media (max-width:899px){
  .methode-grid{grid-template-columns:1fr}
  .methode-col{padding:0}
  .methode-col+.methode-col{border-left:0;border-top:1px solid rgba(20,17,13,.14);margin-top:32px;padding-top:32px}
}

/* ============================== POURQUOI NOUS ============================== */
.why-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.why-title{
  grid-column:1/7;
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.9rem,3.6vw,3.2rem);line-height:1.12;letter-spacing:-0.015em;
}
.why-body{grid-column:8/13;display:grid;gap:22px}
.why-body p{color:var(--muted);font-size:18px}
.why-link{
  justify-self:start;
  color:var(--orange-deep);font-weight:600;font-size:16px;
  text-decoration:none;border-bottom:1px solid transparent;
  transition:border-color .2s ease;padding:6px 0;
}
.why-link:hover{border-color:var(--orange-deep)}
@media (max-width:899px){
  .why-grid{grid-template-columns:1fr}
  .why-title,.why-body{grid-column:1}
  .why-body{margin-top:8px}
}

/* ============================== BANDE DE RÉCUPÉRATION ============================== */
.rescue{background:var(--orange);color:var(--ink-900)}
.rescue-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:32px;padding-block:clamp(56px,8vw,104px);
}
.rescue h2{
  font-family:var(--font-display);font-weight:300;
  font-size:clamp(1.8rem,3.6vw,3rem);line-height:1.1;letter-spacing:-0.015em;
  max-width:16ch;
}
.rescue p{margin-top:12px;max-width:44ch;font-size:17px}
.rescue .btn{flex:0 0 auto}

/* ============================== CTA FINAL ============================== */
.cta{background:var(--ink-900);color:var(--paper)}
.cta .sec-title{font-weight:200;font-size:clamp(2rem,4.4vw,3.8rem);max-width:18ch}
.cta-text{margin-top:24px;color:var(--muted-dark);max-width:52ch;font-size:18px}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px}
@media (max-width:599px){.cta-actions .btn{width:100%}}

/* ============================== FOOTER ============================== */
.site-footer{background:var(--paper);color:var(--ink-900);border-top:1px solid var(--hairline)}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr;
  gap:clamp(32px,5vw,72px);padding-block:clamp(48px,6vw,80px);
}
.footer-brand img{height:64px;width:auto}
.footer-brand p{margin-top:16px;color:var(--muted);font-size:15px}
.footer-col h3{
  font-family:var(--font-body);font-weight:500;font-size:12.5px;
  letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  margin-bottom:18px;
}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--ink-900);text-decoration:none}
.footer-col a:hover{color:var(--orange-deep);text-decoration:underline}
.footer-col address{font-style:normal;color:var(--muted)}
.footer-bottom{
  border-top:1px solid var(--hairline);
  padding-block:22px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;align-items:center;
  font-size:14px;color:var(--muted);
}
.footer-bottom .draft{
  font-weight:500;font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;
}
@media (max-width:899px){
  .footer-grid{grid-template-columns:1fr}
}
}

/* ============================== RÉVÉLATIONS ============================== */
@layer effects {
  html.js .reveal{
    opacity:0;transform:translateY(16px);
    transition:opacity .7s cubic-bezier(.2,.6,.2,1),transform .7s cubic-bezier(.2,.6,.2,1);
  }
  html.js .reveal.revealed{opacity:1;transform:none}

  /* Titres découpés mot par mot : chaque mot monte d'un masque (voir TFM.splitWords) */
  .split-reveal .w{display:inline-block;overflow:clip;vertical-align:top;padding-block:.1em;margin-block:-.1em}
  html.js .split-reveal .wi{
    display:inline-block;transform:translateY(112%);
    transition:transform .9s cubic-bezier(.2,.7,.2,1);
    transition-delay:calc(var(--i,0) * 70ms);
  }
  html.js .split-reveal.revealed .wi{transform:none}
  /* Avant le découpage, le titre est masqué (pas de flash) ; filet de sécurité à 3 s si le script ne tourne pas */
  html.js .split-reveal:not([data-split]){visibility:hidden;animation:unhide 0s 3s forwards}
  @keyframes unhide{to{visibility:visible}}
}

/* ============================== UTILITAIRES ============================== */
@layer utilities {
  .sr-only{
    position:absolute;width:1px;height:1px;margin:-1px;padding:0;
    overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
  }
  /* Éléments qui n'ont de sens qu'avec JavaScript */
  html:not(.js) .js-only{display:none!important}
}

/* ============================== MOUVEMENT RÉDUIT ============================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  html.js .reveal{opacity:1;transform:none}
  html.js .split-reveal .wi{transform:none}
  html.js .split-reveal:not([data-split]){visibility:visible!important}
}