/* ==========================================================================
   HRC - feuille de style unique
   Remplace style.css + css/*.css + style-switcher/
   ========================================================================== */

/* --- 1. Reset ------------------------------------------------------------ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul{list-style:none;padding:0}
img,svg,iframe{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
svg[viewBox="0 0 24 24"]{fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
.social svg{fill:currentColor;stroke:none}
svg.brand{fill:currentColor;stroke:none}  /* marques deposees : formes pleines */

/* --- 2. Tokens ----------------------------------------------------------- */
:root{
  --blue:#006bb5;
  --blue-700:#00538d;
  --blue-400:#3a9fe0;
  --cyan:#00b6d4;

  --ink:#0c1622;
  --ink-2:#16273a;
  --slate:#5b6b7d;
  --line:#e3eaf2;
  --bg:#ffffff;
  --soft:#f4f8fc;

  --r:14px;
  --r-lg:22px;
  --max:1180px;

  --sh-1:0 1px 2px rgba(12,22,34,.05), 0 10px 26px -14px rgba(12,22,34,.22);
  --sh-2:0 2px 6px rgba(12,22,34,.06), 0 28px 56px -22px rgba(0,107,181,.35);

  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

/* --- 3. Base ------------------------------------------------------------- */
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  color:var(--slate);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;font-weight:700;letter-spacing:-.02em}
h1{font-size:clamp(2rem,1.2rem + 3.4vw,3.4rem)}
h2{font-size:clamp(1.6rem,1.1rem + 2vw,2.4rem)}
h3{font-size:1.15rem;letter-spacing:-.01em}
p + p{margin-top:.9em}
strong{color:var(--ink-2);font-weight:600}

::selection{background:var(--blue);color:#fff}
:focus-visible{outline:3px solid var(--blue-400);outline-offset:3px;border-radius:6px}

/* lien d'evitement : hors ecran, mais rendu visible des qu'il recoit le focus */
.skip{position:absolute;left:-9999px;top:0;z-index:200}
.skip:focus{
  left:12px;top:12px;padding:12px 20px;border-radius:10px;
  background:var(--blue);color:#fff;font-weight:600;box-shadow:var(--sh-1);
}

.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:24px}
.section{padding:clamp(56px,7vw,104px) 0}
.section--soft{background:var(--soft)}
.section--tight{padding:clamp(40px,4vw,64px) 0}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--blue);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:currentColor;border-radius:2px}
.lead{font-size:1.08rem;max-width:62ch}
.head{max-width:70ch;margin-bottom:clamp(32px,4vw,52px)}
.head--center{margin-inline:auto;text-align:center}
.head p{margin-top:14px;font-size:1.05rem}

.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* --- 4. Boutons ---------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:.95rem;cursor:pointer;
  background:var(--blue);color:#fff;
  box-shadow:0 10px 24px -12px rgba(0,107,181,.85);
  transition:transform .18s ease, box-shadow .25s ease, background .2s ease;
}
.btn:hover{background:var(--blue-700);transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(0,107,181,.9)}
.btn:active{transform:translateY(0)}
.btn svg{width:17px;height:17px;flex:none}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line);box-shadow:none}
.btn--ghost:hover{background:var(--soft);border-color:var(--blue-400);color:var(--blue);box-shadow:none}
.btn--light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.35);backdrop-filter:blur(8px);box-shadow:none}
.btn--light:hover{background:rgba(255,255,255,.22);border-color:#fff}
.btn--sm{padding:10px 20px;font-size:.88rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* --- 5. En-tete / navigation --------------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease, box-shadow .3s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 8px 24px -20px rgba(12,22,34,.6)}
.nav-bar{display:flex;align-items:center;gap:20px;height:76px}
.brand{flex:none;display:flex;align-items:center}
.brand img{height:68px;width:auto}

.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  position:relative;padding:9px 14px;border-radius:9px;
  font-size:.95rem;font-weight:500;color:var(--ink-2);
  transition:color .18s ease,background .18s ease;
}
.nav a:hover{color:var(--blue);background:var(--soft)}
.nav > a.is-current,.nav .has-sub.is-current > a{color:var(--blue)}
.nav > a.is-current::after,.nav .has-sub.is-current::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--blue);border-radius:2px;
}
.has-sub{position:relative}
.has-sub > a::after{content:"";display:inline-block;margin-left:7px;width:5px;height:5px;
  border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:translateY(-2px) rotate(45deg);opacity:.55}
.sub{
  position:absolute;top:calc(100% + 8px);left:0;min-width:230px;padding:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-1);
  display:grid;gap:2px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub a{display:block;padding:9px 12px;font-weight:500}
.nav .btn{margin-left:10px;color:#fff}
.nav .btn:hover{color:#fff;background:var(--blue-700)}

.burger{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);
  border-radius:11px;background:#fff;padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;
}
.burger span{display:block;width:19px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .25s ease,opacity .2s ease}
.burger span + span{margin-top:5px}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* --- 6. Hero ------------------------------------------------------------- */
.hero{position:relative;isolation:isolate;color:#fff;overflow:hidden;
  padding:clamp(80px,11vw,150px) 0 clamp(90px,10vw,130px)}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("hero-datacenter.jpg") center/cover no-repeat;
  transform:scale(1.06);
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(0,107,181,.55), transparent 62%),
    linear-gradient(105deg, rgba(8,18,30,.94) 0%, rgba(8,18,30,.80) 45%, rgba(8,18,30,.45) 100%);
}
.hero h1{color:#fff;max-width:16ch}
.hero .lead{color:rgba(255,255,255,.82);margin-top:20px;font-size:1.12rem}
.hero .eyebrow{color:#8fd2ff}
.hero .lead{max-width:54ch}
.hero h1,.hero .eyebrow,.hero .btn-row{max-width:660px}

/* mot qui tourne */
.rotator{display:inline-grid;vertical-align:bottom}
.rotator > span{
  grid-area:1/1;opacity:0;white-space:nowrap;
  animation:rotWord 12s infinite;
  background:linear-gradient(92deg,#6cc6ff,#00e0c6);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.rotator > span:nth-child(2){animation-delay:3s}
.rotator > span:nth-child(3){animation-delay:6s}
.rotator > span:nth-child(4){animation-delay:9s}
@keyframes rotWord{
  0%{opacity:0;transform:translateY(14px)}
  3%,22%{opacity:1;transform:none}
  27%,100%{opacity:0;transform:translateY(-14px)}
}

/* bandeau de chiffres */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  margin-top:-58px;position:relative;z-index:2;
}
.stat{background:#fff;padding:26px 24px;text-align:center}
.stat b{display:block;font-size:clamp(1.6rem,1.1rem + 1.4vw,2.2rem);color:var(--ink);
  font-weight:700;letter-spacing:-.03em;line-height:1.1}
.stat span{display:block;margin-top:6px;font-size:.86rem;color:var(--slate)}

/* --- 7. En-tete de page interne ------------------------------------------ */
.page-head{
  position:relative;isolation:isolate;color:#fff;
  padding:clamp(64px,8vw,104px) 0 clamp(52px,6vw,76px);
  background:linear-gradient(112deg,var(--ink) 0%, #103353 55%, var(--blue-700) 100%);
  overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:0;z-index:-1;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask-image:radial-gradient(70% 100% at 80% 0%,#000,transparent 75%);
  mask-image:radial-gradient(70% 100% at 80% 0%,#000,transparent 75%);
}
.page-head h1{color:#fff}
.page-head p{color:rgba(255,255,255,.78);margin-top:14px;max-width:60ch}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.85rem;color:rgba(255,255,255,.6);margin-bottom:16px}
.crumbs a:hover{color:#fff}
.crumbs li + li::before{content:"\203A";margin-right:8px;opacity:.6}

/* --- 8. Cartes ----------------------------------------------------------- */
.card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px 28px;
  transition:transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s ease, border-color .28s ease;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(140deg,var(--blue-400),var(--cyan));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  opacity:0;transition:opacity .28s ease;pointer-events:none;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:transparent}
.card:hover::before{opacity:1}
.card h2,.card h3,.info-card h2{font-size:1.15rem;letter-spacing:-.01em;margin-bottom:10px}
.card p{font-size:.95rem}
.card--link{display:block}
.card-ico{
  width:52px;height:52px;display:grid;place-items:center;margin-bottom:18px;
  border-radius:15px;color:var(--blue);
  background:linear-gradient(150deg,rgba(0,107,181,.12),rgba(0,182,212,.14));
  transition:transform .28s ease;
}
.card:hover .card-ico{transform:scale(1.08) rotate(-4deg)}
.card-ico svg{width:26px;height:26px;stroke:currentColor;fill:none;stroke-width:1.7;
  stroke-linecap:round;stroke-linejoin:round}
.card-ico img{width:32px;height:32px}
.card-more{
  display:inline-flex;align-items:center;gap:7px;margin-top:16px;
  font-weight:600;font-size:.9rem;color:var(--blue);
}
.card-more svg{width:15px;height:15px;transition:transform .25s ease;
  stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.card:hover .card-more svg{transform:translateX(4px)}

/* --- 9. Etapes (methode) -------------------------------------------------- */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding-top:26px}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:.8rem;font-weight:700;letter-spacing:.1em;color:var(--blue);
}
.step::after{
  content:"";position:absolute;top:6px;left:0;right:-22px;height:2px;
  background:linear-gradient(90deg,var(--blue) 0 22px,var(--line) 22px);
}
.step:last-child::after{right:0}
.step h3{margin:14px 0 10px}
.step p{font-size:.94rem}
.step ul{margin-top:14px;display:grid;gap:8px}
.step li{position:relative;padding-left:24px;font-size:.9rem;color:var(--ink-2);font-weight:500}
.step li::before{
  content:"";position:absolute;left:0;top:.45em;width:12px;height:7px;
  border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);
  transform:rotate(-45deg);
}

/* --- 10. Liste a coches --------------------------------------------------- */
.checks{display:grid;gap:12px}
.checks li{position:relative;padding-left:34px;color:var(--ink-2)}
.checks li::before{
  content:"";position:absolute;left:0;top:.15em;width:21px;height:21px;border-radius:7px;
  background:linear-gradient(150deg,rgba(0,107,181,.14),rgba(0,182,212,.18));
}
.checks li::after{
  content:"";position:absolute;left:6px;top:.5em;width:9px;height:5px;
  border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg);
}

/* --- 11. Marquee partenaires ---------------------------------------------- */
.marquee{overflow:hidden;position:relative;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.marquee-track{display:flex;align-items:center;gap:64px;width:max-content;
  animation:slide 42s linear infinite}
.marquee:hover .marquee-track,
.marquee:focus-within .marquee-track,
.marquee[data-paused="1"] .marquee-track{animation-play-state:paused}
.marquee-pause{
  display:inline-flex;align-items:center;gap:8px;margin:18px auto 0;cursor:pointer;
  padding:7px 14px;font-size:.82rem;font-weight:500;
  border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--slate);
}
.marquee-controls{display:flex;justify-content:center}
.marquee-pause:hover{border-color:var(--blue-400);color:var(--blue)}
.marquee-pause svg{width:12px;height:12px;fill:currentColor;stroke:none}
.marquee img{
  height:34px;max-width:130px;width:auto;object-fit:contain;flex:none;
  filter:grayscale(1);opacity:.55;transition:filter .3s ease,opacity .3s ease;
}
.marquee img:hover{filter:none;opacity:1}
@keyframes slide{to{transform:translateX(calc(-50% - 32px))}}

/* grille de logos (page Vente) */
.logo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.logo-grid div{background:#fff;height:118px;display:grid;place-items:center;padding:22px;
  transition:background .25s ease}
.logo-grid div:hover{background:var(--soft)}
.logo-grid img{max-height:44px;width:auto;filter:grayscale(1);opacity:.62;
  transition:filter .3s ease,opacity .3s ease}
.logo-grid div:hover img{filter:none;opacity:1}

/* --- 12. Tarifs ----------------------------------------------------------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-1)}
.plan-tag{
  align-self:flex-start;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.16);color:#8fd2ff;margin-bottom:14px;
}
.plan-price{font-size:2.2rem;font-weight:700;color:var(--ink);letter-spacing:-.03em;margin:6px 0 4px;
  line-height:1.1}
.plan-price small{font-size:.95rem;font-weight:500;color:var(--slate)}
.plan ul{margin:22px 0 26px;display:grid;gap:11px;flex:1}
.plan li{position:relative;padding-left:26px;font-size:.93rem;color:var(--ink-2)}
.plan li::before{content:"";position:absolute;left:0;top:.45em;width:11px;height:6px;
  border-left:2px solid var(--blue);border-bottom:2px solid var(--blue);transform:rotate(-45deg)}
.plan .btn{width:100%}
.plan--hot{
  border-color:transparent;color:#fff;
  background:linear-gradient(150deg,var(--ink) 0%,#12395c 60%,var(--blue-700) 100%);
  box-shadow:var(--sh-2);
}
.plan--hot h3,.plan--hot .plan-price{color:#fff}
.plan--hot .plan-price small{color:rgba(255,255,255,.72)}
.plan--hot li{color:rgba(255,255,255,.88)}
.plan--hot li::before{border-left-color:#6cc6ff;border-bottom-color:#6cc6ff}

/* --- 13. Bloc CTA --------------------------------------------------------- */
.cta{
  position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;
  padding:clamp(40px,5vw,64px);
  background:linear-gradient(112deg,var(--ink) 0%,#0f3557 55%,var(--blue) 100%);
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;
}
.cta::after{
  content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(60% 120% at 90% 10%,#000,transparent 70%);
  mask-image:radial-gradient(60% 120% at 90% 10%,#000,transparent 70%);
}
.cta > *{position:relative;z-index:1}
.cta h2{color:#fff;max-width:20ch}
.cta p{color:rgba(255,255,255,.78);margin-top:12px;max-width:48ch}
.cta .btn-row{margin-top:0}

/* --- 13bis. Texte long (pages legales) ------------------------------------ */
.prose{max-width:76ch}
.prose h2{font-size:1.3rem;margin:40px 0 14px}
.prose h2:first-child{margin-top:0}
.prose p + p,.prose ul,.prose dl{margin-top:12px}
.prose li{position:relative;padding-left:20px;margin-top:8px}
.prose li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;
  border-radius:50%;background:var(--blue)}
.prose a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.prose dl{display:grid;grid-template-columns:auto 1fr;gap:11px 26px;align-items:baseline}
.prose dt{color:var(--ink);font-weight:600}
.prose dd{margin:0}
.prose .maj{display:block;margin-top:34px;font-size:.88rem;color:var(--slate)}
@media (max-width:560px){.prose dl{grid-template-columns:1fr;gap:2px 0}
  .prose dd{margin-bottom:12px}}

/* champ restant a renseigner avant mise en ligne - impossible a rater */
.acompleter{
  display:inline-block;padding:2px 10px;border-radius:6px;font-weight:700;
  background:#fff3cd;border:1px solid #d39e00;color:#6b4e00;
}

/* --- 14. Contact ---------------------------------------------------------- */
.contact-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:start}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px}
.info-card + .info-card{margin-top:22px}
.info-list{display:grid;gap:18px;margin-top:20px}
.info-list li{display:flex;gap:14px;align-items:flex-start}
.info-list svg{width:20px;height:20px;flex:none;margin-top:3px;color:var(--blue);
  stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.info-list b{display:block;color:var(--ink);font-size:.8rem;text-transform:uppercase;
  letter-spacing:.07em;font-weight:600}
.info-list a:hover{color:var(--blue)}
.map{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);height:340px}
.map iframe{width:100%;height:100%;border:0}

/* Formulaire Cognito : simple raccord de couleur. Si Cognito change ses classes,
   le bouton reprend sa couleur par defaut - rien ne casse. Le reglage propre se
   fait dans le tableau de bord Cognito Forms (theme > couleur principale). */
.cognito .cog-button--primary{
  background:var(--blue) !important;border-color:var(--blue) !important;
  border-radius:999px !important;padding-inline:26px !important;
}
.cognito .cog-button--primary:hover{background:var(--blue-700) !important;border-color:var(--blue-700) !important}

/* --- 15. Telechargement (support) ----------------------------------------- */
.dl .card-ico{width:60px;height:60px}
.dl ol{margin:18px 0 24px;padding-left:20px;display:grid;gap:8px;font-size:.94rem}
.dl ol li::marker{color:var(--blue);font-weight:700}

/* --- 16. Pied de page ----------------------------------------------------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.62)}
/* le raccourci `padding` remettait a 0 le padding-inline herite de .wrap :
   le contenu du pied de page touchait les bords de l'ecran sur mobile */
.footer-top{padding:clamp(52px,6vw,80px) 24px 44px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:38px}
.site-footer h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.1em;
  font-weight:600;margin-bottom:18px}
.site-footer p,.site-footer li{font-size:.92rem}
.site-footer a:hover{color:#fff}
.footer-links{display:grid;gap:10px}
.footer-brand img{height:60px;width:auto;background:#fff;padding:7px 12px;border-radius:11px;margin-bottom:18px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:.86rem}
.social{display:flex;gap:10px}
.social a{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  background:rgba(255,255,255,.07);transition:background .25s ease,transform .25s ease}
.social a:hover{background:var(--blue);transform:translateY(-2px)}
.social svg{width:17px;height:17px;fill:currentColor}

/* --- 17. Retour en haut --------------------------------------------------- */
.totop{
  position:fixed;right:22px;bottom:22px;z-index:70;width:46px;height:46px;
  border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);
  display:grid;place-items:center;box-shadow:var(--sh-1);cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.totop.is-on{opacity:1;visibility:visible;transform:none}
.totop:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.totop svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round}

/* --- 18. Apparition au defilement ----------------------------------------- */
.reveal{opacity:0;transform:translateY(22px);
  transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.is-in{opacity:1;transform:none}
.reveal-stagger > *{opacity:0;transform:translateY(22px);
  transition:opacity .6s cubic-bezier(.2,.7,.3,1),transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal-stagger.is-in > *{opacity:1;transform:none}
.reveal-stagger.is-in > *:nth-child(2){transition-delay:.08s}
.reveal-stagger.is-in > *:nth-child(3){transition-delay:.16s}
.reveal-stagger.is-in > *:nth-child(4){transition-delay:.24s}
.reveal-stagger.is-in > *:nth-child(5){transition-delay:.32s}
.reveal-stagger.is-in > *:nth-child(6){transition-delay:.4s}

/* --- 19. Responsive ------------------------------------------------------- */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2n)::after{right:0}
  .plans{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr);margin-top:-40px}

  .burger{display:flex}
  .nav{
    position:fixed;left:0;right:0;top:76px;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 24px 24px;
    max-height:calc(100vh - 76px);overflow-y:auto;
    box-shadow:0 24px 40px -30px rgba(12,22,34,.7);
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav a{padding:13px 12px;font-size:1rem}
  .nav .btn{margin:10px 0 0}
  .has-sub > a::after,.nav .has-sub.is-current::after{display:none}
  .nav .has-sub.is-current > a{background:var(--soft)}
  .sub{position:static;opacity:1;visibility:visible;transform:none;border:0;box-shadow:none;
    padding:0 0 0 12px;border-left:2px solid var(--line);border-radius:0;margin:2px 0 6px}
  .sub a{padding:9px 12px;font-size:.94rem;color:var(--slate)}
}
@media (max-width:620px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step::after{right:0}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
  .hero .lead{font-size:1.02rem}
}

/* --- 20. Mouvement reduit ------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal,.reveal-stagger > *{opacity:1;transform:none}
  .rotator > span:not(:first-child){display:none}
  .rotator > span{opacity:1;animation:none}
}