/* =====================================================================
   WBNewDeal — Design system (premium institutionnel)
   Registre : capital-investissement / private equity.
   Tout passe par des tokens. Aucune couleur/typo en dur hors tokens.
   ===================================================================== */

:root {
  /* Base : encre profonde + blanc cassé chaud + un seul accent (bronze patrimonial) */
  --color-ink:        #0B1F2A;
  --color-ink-soft:   #1C2E38;
  --color-paper:      #FAF9F6;
  --color-surface:    #FFFFFF;
  --color-muted:      #5B6B73;
  --color-line:       #E3E1DB;
  --color-accent:     #B8893A;
  --color-accent-ink: #0B1F2A;
  --color-accent-text:#8A6220; /* accent assez foncé pour un contraste AA sur fond clair */
  --color-focus:      #1F5C73;

  --font-display: "Fraunces", "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body:    "Inter", -apple-system, "Helvetica Neue", Arial, sans-serif;

  --step--1: clamp(0.83rem, 0.8rem + 0.2vw, 0.94rem);
  --step-0:  clamp(1rem, 0.95rem + 0.3vw, 1.13rem);
  --step-1:  clamp(1.25rem, 1.1rem + 0.6vw, 1.5rem);
  --step-2:  clamp(1.6rem, 1.3rem + 1.2vw, 2.2rem);
  --step-3:  clamp(2.1rem, 1.6rem + 2.2vw, 3.4rem);
  --step-4:  clamp(2.8rem, 2rem + 3.6vw, 5rem);

  --container: 1200px;
  --container-narrow: 760px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --space-section: clamp(4rem, 10vw, 9rem);
  --radius: 4px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font-body);font-size:var(--step-0);line-height:1.6;
  color:var(--color-ink);background:var(--color-paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-display);line-height:1.07;letter-spacing:-.01em;font-weight:600;margin:0 0 .5em;}
p{margin:0 0 1rem;}
a{color:inherit;}
img{max-width:100%;height:auto;display:block;}
.container{max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter);}
.narrow{max-width:var(--container-narrow);}
.section{padding-block:var(--space-section);}
.section-sm{padding-block:clamp(2.5rem,6vw,4.5rem);}
.surface{background:var(--color-surface);border-block:1px solid var(--color-line);}
.eyebrow{font-size:.8rem;letter-spacing:.22em;text-transform:uppercase;color:var(--color-accent);margin-bottom:1rem;font-weight:600;}
.lead{font-size:var(--step-1);color:var(--color-muted);max-width:60ch;}
.muted{color:var(--color-muted);}
.measure{max-width:66ch;}
.placeholder{background:#FFF6E6;border:1px dashed var(--color-accent);color:#7a5a1e;
  padding:.15em .45em;border-radius:3px;font-size:.9em;font-style:normal;}
:focus-visible{outline:3px solid var(--color-focus);outline-offset:3px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-accent);color:var(--color-accent-ink);
  padding:.6rem 1rem;z-index:200;font-weight:600;}
.skip-link:focus{left:.5rem;top:.5rem;}

/* ---------- Header / Navigation ---------- */
.site-header{position:sticky;top:0;z-index:80;border-top:2px solid var(--color-accent);
  background:color-mix(in srgb,var(--color-paper) 88%,transparent);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--color-line);
  transition:box-shadow .25s ease, background .25s ease;}
.site-header.scrolled{background:color-mix(in srgb,var(--color-paper) 97%,transparent);
  box-shadow:0 10px 34px rgba(11,31,42,.09);}
.nav-links > li:not(.has-sub) > a::after{content:"";position:absolute;left:0;right:100%;bottom:.1rem;
  height:1.5px;background:var(--color-accent);transition:right .28s ease;}
.nav-links > li:not(.has-sub) > a:hover::after,
.nav-links > li:not(.has-sub) > a[aria-current="page"]::after{right:0;}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:74px;}
.brand{font-family:var(--font-display);font-size:1.4rem;font-weight:600;text-decoration:none;letter-spacing:-.02em;color:var(--color-ink);}
.brand span{color:var(--color-accent);}
.nav-menu{display:flex;align-items:center;gap:1.15rem;}
.nav-links{display:flex;gap:1.05rem;list-style:none;margin:0;padding:0;font-size:.9rem;}
.nav-links > li > a{white-space:nowrap;}
.nav-links > li{position:relative;}
.nav-links a{text-decoration:none;color:var(--color-ink-soft);padding-block:.5rem;display:inline-block;}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--color-accent);}
.has-sub > a::after{content:"";display:inline-block;width:.45em;height:.45em;margin-left:.4em;
  border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);}
.submenu{position:absolute;top:100%;left:-1rem;min-width:300px;background:var(--color-surface);
  border:1px solid var(--color-line);border-radius:var(--radius);box-shadow:0 18px 40px rgba(11,31,42,.12);
  padding:.5rem;list-style:none;margin:0;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0);}
.submenu a{display:block;padding:.7rem .9rem;border-radius:3px;}
.submenu a:hover{background:var(--color-paper);}
.submenu strong{display:block;font-weight:600;color:var(--color-ink);}
.submenu small{color:var(--color-muted);}
.lang{display:flex;gap:.4rem;font-size:.85rem;align-items:center;color:var(--color-muted);}
.lang a{text-decoration:none;}
.lang a[aria-current="true"]{color:var(--color-accent);font-weight:600;}
.lang-mobile{display:none;}

.btn{display:inline-block;padding:.72rem 1.35rem;border-radius:var(--radius);text-decoration:none;
  font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,color .2s ease;}
.btn-primary{background:var(--color-accent);color:var(--color-accent-ink);}
.btn-primary:hover{transform:translateY(-1px);background:#a87b30;}
.btn-secondary{border-color:var(--color-ink);color:var(--color-ink);background:transparent;}
.btn-secondary:hover{background:var(--color-ink);color:var(--color-paper);}
.btn-ghost-light{border-color:#C9D2D6;color:var(--color-paper);background:transparent;}
.btn-ghost-light:hover{background:var(--color-paper);color:var(--color-ink);}

.nav-toggle{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--color-ink);line-height:1;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--color-ink);color:var(--color-paper);
  display:flex;align-items:center;min-height:calc(100vh - 77px);min-height:calc(100dvh - 77px);
  background-image:
    linear-gradient(90deg, rgba(11,31,42,.94) 0%, rgba(11,31,42,.74) 44%, rgba(11,31,42,.32) 100%),
    url("/assets/hero-bg.svg");
  background-size:cover;background-position:center right;
  border-bottom:1px solid rgba(184,137,58,.30);}
.hero-sub{position:relative;overflow:hidden;background:var(--color-ink);color:var(--color-paper);
  display:flex;align-items:center;min-height:calc(100vh - 77px);min-height:calc(100dvh - 77px);
  background-image:
    radial-gradient(120% 130% at 92% -30%, rgba(184,137,58,.15) 0%, rgba(184,137,58,0) 46%),
    linear-gradient(180deg,#12333F 0%, var(--color-ink) 72%);
  border-bottom:1px solid rgba(184,137,58,.24);}
.hero::before,.hero-sub::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:60px 60px;
  -webkit-mask-image:radial-gradient(75% 65% at 82% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(75% 65% at 82% 0%,#000 0%,transparent 72%);}
.hero > .container,.hero-sub > .container{position:relative;z-index:1;}
/* Hauteur d'accueil compacte et adaptée à l'écran (évite un hero de 1,5 écran) */
.hero > .container{padding-block:clamp(2.5rem, 7vh, 6rem);}
.hero .eyebrow,.hero-sub .eyebrow{color:var(--color-accent);}
.hero::before{display:none;} /* image plein cadre : on masque la grille sur l'accueil */
.hero h1{font-size:var(--step-4);max-width:20ch;color:var(--color-paper);line-height:1.02;}
.hero h1 .h-serif{display:block;font-style:italic;font-weight:500;letter-spacing:-.015em;}
.hero h1 .h-caps{display:block;font-family:var(--font-body);text-transform:uppercase;
  font-weight:500;font-size:.4em;letter-spacing:.11em;line-height:1.18;margin-top:.5em;color:#E7E2D7;}
.hero p{font-size:var(--step-1);max-width:48ch;color:#C9D2D6;margin-bottom:2.2rem;}
.hero .actions{display:flex;gap:1rem;flex-wrap:wrap;align-items:center;}
.btn-text-light{border:0;background:none;color:var(--color-accent);padding:.72rem .3rem;
  font-weight:600;font-size:.95rem;text-decoration:none;transition:color .2s ease;}
.btn-text-light:hover{color:#d9a94e;}
.hero-sub h1{color:var(--color-paper);font-size:var(--step-3);max-width:20ch;
  font-style:italic;font-weight:500;letter-spacing:-.012em;}
.hero-sub p{color:#C9D2D6;max-width:55ch;}
/* Section « L'essentiel » — manifeste éditorial sous le hero */
.essentiel .lead-para{font-family:var(--font-display);font-size:var(--step-2);line-height:1.4;
  max-width:42ch;color:var(--color-ink);font-weight:500;margin:0;}
.rule-gold{display:block;width:46px;height:2px;background:var(--color-accent);border:0;margin:0 0 1.5rem;}
.breadcrumb{font-size:.85rem;color:#90A0A6;margin-bottom:1.25rem;}
.breadcrumb a{color:#90A0A6;text-decoration:none;}
.breadcrumb a:hover{color:var(--color-accent);}

/* ---------- Grilles & cartes ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;}
.card{background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius);
  padding:2.25rem;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(11,31,42,.09);border-color:#d8cfbf;}
.card h3{font-size:var(--step-2);}
.card p{color:var(--color-muted);}
.card .tags{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0 1.4rem;}
.tag{font-size:.78rem;padding:.3rem .7rem;border:1px solid var(--color-line);border-radius:2px;color:var(--color-muted);}
.card-link{color:var(--color-accent);font-weight:600;text-decoration:none;margin-top:auto;}
.card-link:hover{text-decoration:underline;}

.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem;}
.pillar .num{font-family:var(--font-display);font-size:var(--step-2);color:var(--color-accent);display:block;margin-bottom:.4rem;}
.pillar h3{font-size:var(--step-1);}
.pillar p{color:var(--color-muted);margin:0;}

/* Liste d'étapes (process de mission) */
.steps{list-style:none;counter-reset:step;margin:0;padding:0;display:grid;gap:1.5rem;}
.steps li{counter-increment:step;padding-left:3.5rem;position:relative;}
.steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:-.1rem;
  font-family:var(--font-display);font-size:1.4rem;color:var(--color-accent);}
.steps h3{font-size:var(--step-1);margin-bottom:.25rem;}
.steps p{color:var(--color-muted);margin:0;}

/* Liste à puces sobre */
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:.85rem;}
.ticks li{padding-left:1.6rem;position:relative;color:var(--color-ink-soft);}
.ticks li::before{content:"";position:absolute;left:0;top:.55em;width:.55rem;height:.55rem;
  border-right:2px solid var(--color-accent);border-bottom:2px solid var(--color-accent);transform:rotate(45deg);}

/* Bandeau chiffres — n'apparaît qu'avec des chiffres réels */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;text-align:center;}
.stat .n{font-family:var(--font-display);font-size:var(--step-3);color:var(--color-ink);display:block;}
.stat .l{font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;color:var(--color-muted);}

/* ---------- FAQ (accordéon natif <details>) ---------- */
.faq{display:grid;gap:.75rem;max-width:760px;}
.faq details{border:1px solid var(--color-line);border-radius:var(--radius);background:var(--color-surface);}
.faq summary{cursor:pointer;padding:1.15rem 1.35rem;font-weight:600;font-family:var(--font-display);
  font-size:1.1rem;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--color-accent);font-size:1.4rem;line-height:1;}
.faq details[open] summary::after{content:"\2013";}
.faq details > div{padding:0 1.35rem 1.25rem;color:var(--color-muted);}

/* ---------- Insights ---------- */
.insights-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;}
.insight{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-line);
  border-radius:var(--radius);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;}
.insight:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(11,31,42,.09);}
.insight .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#13303d,#0B1F2A);}
.insight .body{padding:1.5rem;display:flex;flex-direction:column;gap:.6rem;flex:1;}
.insight .meta{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--color-accent);}
.insight h3{font-size:1.25rem;margin:0;}
.insight a{text-decoration:none;}
.insight .thumb img{width:100%;height:100%;object-fit:cover;display:block;}

/* ---------- Article ---------- */
.article-hero{max-width:var(--container);margin:2rem auto 0;padding:0 var(--gutter);}
.article-hero img{width:100%;height:auto;border-radius:var(--radius);display:block;}
.prose .lead{font-size:var(--step-1);color:var(--color-ink);}
.prose h2{font-size:var(--step-2);margin-top:2.75rem;margin-bottom:.5rem;}
.prose p{margin:0 0 1.1rem;}
.prose ul.ticks{margin:1rem 0 1.5rem;}

/* ---------- CTA ---------- */
.cta{background:var(--color-ink-soft);color:var(--color-paper);text-align:center;border-radius:6px;
  padding:clamp(2.5rem,6vw,4.5rem);
  background-image:radial-gradient(120% 120% at 50% 0%,#244150 0%,var(--color-ink-soft) 60%);}
.cta h2{color:var(--color-paper);font-size:var(--step-3);}
.cta p{color:#C9D2D6;max-width:52ch;margin-inline:auto;}

/* ---------- Formulaire ---------- */
.form{display:grid;gap:1.25rem;max-width:640px;}
.form .row{display:grid;gap:1.25rem;grid-template-columns:1fr 1fr;}
.field{display:flex;flex-direction:column;gap:.4rem;}
.field label{font-weight:600;font-size:.92rem;}
.field input,.field select,.field textarea{font:inherit;padding:.75rem .9rem;border:1px solid var(--color-line);
  border-radius:var(--radius);background:var(--color-surface);color:var(--color-ink);}
.field textarea{min-height:140px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--color-focus);outline:none;
  box-shadow:0 0 0 3px rgba(31,92,115,.18);}
.consent{display:flex;gap:.65rem;align-items:flex-start;font-size:.9rem;color:var(--color-muted);}
.consent input{margin-top:.25rem;}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-note{font-size:.85rem;color:var(--color-muted);}
.contact-aside{display:grid;gap:1.5rem;align-content:start;}
.contact-aside .block{border:1px solid var(--color-line);border-radius:var(--radius);padding:1.5rem;background:var(--color-surface);}
.contact-aside h3{font-size:1.15rem;margin-bottom:.4rem;}

/* ---------- Footer ---------- */
.site-footer{background:var(--color-ink);color:#AEB9BE;font-size:.92rem;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem;padding-block:3.5rem;}
.site-footer h4{color:var(--color-paper);font-family:var(--font-body);font-size:.82rem;letter-spacing:.1em;
  text-transform:uppercase;margin:0 0 1rem;}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.55rem;}
.site-footer a{color:#AEB9BE;text-decoration:none;}
.site-footer a:hover{color:var(--color-accent);}
.foot-bottom{border-top:1px solid #1C2E38;padding-block:1.3rem;display:flex;justify-content:space-between;
  flex-wrap:wrap;gap:1rem;font-size:.85rem;}
.social{display:flex;gap:1rem;}

/* ---------- Bandeau cookies (RGPD) ---------- */
.cookie-banner{position:fixed;inset:auto 1rem 1rem 1rem;max-width:560px;margin-inline:auto;z-index:120;
  background:var(--color-surface);border:1px solid var(--color-line);border-radius:6px;
  box-shadow:0 18px 50px rgba(11,31,42,.2);padding:1.4rem 1.5rem;display:none;}
.cookie-banner.show{display:block;}
.cookie-banner p{font-size:.9rem;color:var(--color-muted);}
.cookie-actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:.5rem;}
.cookie-actions .btn{padding:.55rem 1.1rem;font-size:.9rem;}

/* ---------- Chat assistant (léger, sans dépendance, sans clé API) ---------- */
.chat-fab{position:fixed;right:1.25rem;bottom:1.25rem;z-index:110;border:0;cursor:pointer;
  background:var(--color-accent);color:var(--color-accent-ink);font-weight:600;font-size:.9rem;
  padding:.85rem 1.2rem;border-radius:999px;box-shadow:0 10px 30px rgba(11,31,42,.25);}
.chat-panel{position:fixed;right:1.25rem;bottom:5rem;z-index:111;width:min(372px,92vw);
  max-height:min(72vh,580px);background:var(--color-surface);border:1px solid var(--color-line);
  border-radius:12px;box-shadow:0 24px 60px rgba(11,31,42,.28);display:none;overflow:hidden;
  flex-direction:column;}
.chat-panel.show{display:flex;}
.chat-head{background:var(--color-ink);color:var(--color-paper);padding:.9rem 1.1rem;flex:0 0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;}
.chat-head strong{font-family:var(--font-display);font-weight:600;}
.chat-head small{display:block;font-size:.72rem;color:rgba(250,249,246,.7);}
.chat-close{background:none;border:0;color:#fff;font-size:1.3rem;line-height:1;cursor:pointer;}
.chat-log{flex:1 1 auto;overflow-y:auto;padding:1rem;display:flex;flex-direction:column;gap:.6rem;
  background:var(--color-paper);}
.chat-msg{max-width:86%;padding:.6rem .8rem;border-radius:12px;font-size:.9rem;line-height:1.45;}
.chat-msg.bot{background:var(--color-surface);border:1px solid var(--color-line);
  border-bottom-left-radius:4px;align-self:flex-start;}
.chat-msg.user{background:var(--color-ink);color:var(--color-paper);
  border-bottom-right-radius:4px;align-self:flex-end;}
.chat-msg a{color:var(--color-accent);font-weight:600;}
.chat-msg .chat-links{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.55rem;}
.chat-msg .chat-links a{font-size:.8rem;text-decoration:none;border:1px solid var(--color-line);
  border-radius:999px;padding:.25rem .7rem;color:var(--color-ink);background:var(--color-paper);}
.chat-chips{display:flex;flex-wrap:wrap;gap:.4rem;padding:.6rem 1rem;border-top:1px solid var(--color-line);
  flex:0 0 auto;background:var(--color-surface);}
.chat-chips button{font-size:.78rem;border:1px solid var(--color-line);background:var(--color-paper);
  border-radius:999px;padding:.3rem .7rem;cursor:pointer;color:var(--color-ink);font-family:inherit;}
.chat-chips button:hover{border-color:var(--color-accent);}
.chat-input{display:flex;gap:.5rem;padding:.7rem 1rem;border-top:1px solid var(--color-line);
  flex:0 0 auto;background:var(--color-surface);align-items:center;}
.chat-input input{flex:1;border:1px solid var(--color-line);border-radius:999px;padding:.55rem .9rem;
  font-family:inherit;font-size:.9rem;color:var(--color-ink);background:var(--color-paper);min-width:0;}
.chat-input input:focus{outline:2px solid var(--color-focus);outline-offset:1px;}
.chat-input button{border:0;background:var(--color-accent);color:var(--color-accent-ink);font-weight:600;
  border-radius:999px;padding:.55rem 1rem;cursor:pointer;font-family:inherit;}
.chat-disclaimer{font-size:.72rem;color:var(--color-muted);padding:.3rem 1rem .8rem;background:var(--color-surface);flex:0 0 auto;}

/* ---------- QR carte de visite ---------- */
.qr-card img{width:150px;height:150px;display:block;background:#fff;border:1px solid var(--color-line);
  border-radius:8px;padding:8px;}
.qr-card figcaption{font-size:.82rem;color:var(--color-muted);margin-top:.5rem;max-width:26ch;}

/* ---------- Bouton WhatsApp ---------- */
.btn-whatsapp{background:#25D366;color:#fff;display:inline-flex;align-items:center;gap:.5rem;}
.btn-whatsapp:hover{background:#1ebe5b;color:#fff;}
.btn-whatsapp svg{width:1.15em;height:1.15em;fill:currentColor;flex:0 0 auto;}

/* ---------- Correctifs audit (contraste AA, cibles tactiles, cohérence) ---------- */
/* Or plus foncé pour les liens/texte sur fond clair (WCAG AA) */
.card-link,a.card-link,.muted a,.article a,.faq a{color:var(--color-accent-text);}
.card-link:hover,.article a:hover,.faq a:hover{color:var(--color-accent-text);text-decoration:underline;}
/* CTA de la barre de navigation : compact et jamais sur deux lignes */
.nav .btn-primary{white-space:nowrap;padding:.6rem 1.1rem;font-size:.88rem;}
/* Cibles tactiles ≥ 44px (accessibilité mobile) */
.lang a{padding:.4rem .3rem;display:inline-flex;align-items:center;min-height:44px;}
.nav-toggle{min-width:44px;min-height:44px;}
@media (max-width:1024px){ .nav-toggle{display:inline-flex;align-items:center;justify-content:center;} }
@media (max-width:600px){ .chat-fab{bottom:14px;right:14px;} }

/* ---------- Article Insights ---------- */
.article{max-width:720px;margin-inline:auto;}
.article h1{font-size:var(--step-3);}
.article h2{font-size:var(--step-2);margin-top:2.5rem;}
.article p,.article li{color:var(--color-ink-soft);}
.article .chapo{font-size:var(--step-1);color:var(--color-muted);}
.keypoints{background:var(--color-surface);border-left:3px solid var(--color-accent);
  padding:1.5rem 1.75rem;border-radius:0 var(--radius) var(--radius) 0;margin:2rem 0;}

/* ---------- Utilitaires ---------- */
.center{text-align:center;}
.mt-0{margin-top:0;}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease;}
.reveal.in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:920px){
  .grid-3,.pillars,.insights-grid,.foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1024px){
  /* En mobile, on retire le backdrop-filter : sinon l'en-tête devient le bloc
     conteneur du menu position:fixed, ce qui le casse et le cache. */
  .site-header{backdrop-filter:none;-webkit-backdrop-filter:none;background:var(--color-paper);}
  .nav-menu{position:fixed;inset:74px 0 0 0;z-index:150;background:var(--color-paper);flex-direction:column;
    align-items:flex-start;gap:0;padding:1.5rem var(--gutter);transform:translateX(100%);
    transition:transform .3s ease;overflow-y:auto;}
  .nav-menu.open{transform:translateX(0);}
  .nav-links{flex-direction:column;gap:0;width:100%;}
  .nav-links > li{width:100%;border-bottom:1px solid var(--color-line);}
  .nav-links a{padding:1rem 0;width:100%;}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    padding:0 0 .75rem 1rem;min-width:0;}
  .has-sub > a::after{display:none;}
  .nav-toggle{display:block;}
  .lang-mobile{display:flex;margin-left:auto;margin-right:.25rem;}
  .grid-2,.grid-3,.pillars,.insights-grid,.stats,.foot-grid,.form .row,.contact-grid{grid-template-columns:1fr;}
}
.contact-grid{display:grid;grid-template-columns:1fr;gap:3rem;}
@media (min-width:1025px){.contact-grid{grid-template-columns:1.4fr 1fr;}}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}