/* Coldbuild — styles partagés par toutes les pages */
  @font-face{
    font-family:'Plus Jakarta Sans';
    font-style:normal;
    font-weight:500 800;
    font-display:swap;
    src:url('fonts/PlusJakartaSans-Variable.woff2') format('woff2-variations'), url('fonts/PlusJakartaSans-Variable.woff2') format('woff2');
  }

  :root{
    --primary:#0A0B0F;
    --on-primary:#FFFFFF;
    --on-primary-muted:#94A3B8;
    --on-primary-border:#1E3A5F;
    --accent:#0369A1;
    --accent-bright:#93C5FD;
    --on-accent:#FFFFFF;
    --bg:#F8FAFC;
    --fg:#0A0B0F;
    --fg-secondary:#475569;
    --card:#FFFFFF;
    --border:#E2E8F0;
    --muted:#E8ECF1;
    --ring:#0A0B0F;
    --shell:#EDF1F6;
    --shell-edge:#DDE4EC;
    --shadow-soft:0 1px 1px rgba(15,23,42,.03),0 10px 24px -12px rgba(15,23,42,.12),0 30px 60px -30px rgba(15,23,42,.18);
    --ease:cubic-bezier(.32,.72,0,1);
    --font-sans:'Plus Jakarta Sans',ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
    color-scheme:light;
  }

  *{box-sizing:border-box;}
  html{interpolate-size:allow-keywords;}
  body{
    background:var(--bg);
    color:var(--fg);
    font-family:var(--font-sans);
    font-weight:500;
    margin:0;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img,svg{max-width:100%;}
  a{color:inherit;}
  .wrap{max-width:1080px;margin-inline:auto;padding-inline:20px;}
  h1,h2,h3{font-family:var(--font-sans);font-weight:800;margin:0;text-wrap:balance;letter-spacing:-.03em;}
  p{line-height:1.65;margin:0;text-wrap:pretty;}
  section[id]{scroll-margin-top:24px;}
  @media (prefers-reduced-motion: no-preference){
    html{scroll-behavior:smooth;}
  }

  /* ---------- scroll reveal (progressive enhancement, no-JS safe) ---------- */
  .reveal{opacity:1;transform:none;}
  html.js .reveal{opacity:0;transform:translateY(28px);}
  html.js .reveal.in-view{opacity:1;transform:none;}
  @media (prefers-reduced-motion: no-preference){
    html.js .reveal{transition:opacity .9s var(--ease),transform .9s var(--ease);}
  }

  :focus-visible{outline:3px solid var(--ring);outline-offset:3px;}
  a,button,summary{touch-action:manipulation;}

  .skip-link{
    position:absolute;left:12px;top:-60px;z-index:50;background:var(--card);color:var(--fg);
    font-weight:700;font-size:14px;padding:10px 16px;border-radius:9999px;text-decoration:none;
    transition:top .3s var(--ease);
  }
  .skip-link:focus{top:12px;}

  /* ---------- floating header (glass pill) ---------- */
  header.site{
    position:sticky;top:env(safe-area-inset-top,0px);z-index:20;height:0;
  }
  .header-row{
    position:relative;top:14px;width:calc(100% - 24px);max-width:1080px;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:8px 8px 8px 20px;border-radius:9999px;
    background:rgba(15,23,42,.74);
    -webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);
    border:1px solid rgba(255,255,255,.09);
    box-shadow:0 12px 32px -12px rgba(15,23,42,.5),inset 0 1px 0 rgba(255,255,255,.07);
  }
  .brand{display:flex;align-items:center;gap:10px;text-decoration:none;cursor:pointer;}
  .brand svg{width:26px;height:26px;flex:none;}
  .brand-word{font-weight:800;font-size:15px;letter-spacing:-.01em;color:var(--on-primary);white-space:nowrap;}
  .brand-word b{color:var(--accent-bright);font-weight:800;}
  nav.site-nav{display:flex;gap:2px;}
  nav.site-nav a{
    color:var(--on-primary-muted);text-decoration:none;font-size:13px;font-weight:600;
    padding:8px 13px;border-radius:9999px;
    transition:color .4s var(--ease),background-color .4s var(--ease);
  }
  nav.site-nav a:focus-visible{color:var(--on-primary);background:rgba(255,255,255,.08);}@media (hover:hover) and (pointer:fine){nav.site-nav a:hover{color:var(--on-primary);background:rgba(255,255,255,.08);}}
  .header-phone{
    display:flex;align-items:center;gap:8px;color:var(--accent-bright);font-size:13px;font-weight:700;
    text-decoration:none;white-space:nowrap;cursor:pointer;
    padding:9px 16px;border-radius:9999px;background:rgba(147,197,253,.1);border:1px solid rgba(147,197,253,.3);
    transition:background-color .4s var(--ease),color .4s var(--ease),transform .4s var(--ease);
  }
  .header-phone:focus-visible{background:rgba(147,197,253,.2);color:#fff;}@media (hover:hover) and (pointer:fine){.header-phone:hover{background:rgba(147,197,253,.2);color:#fff;}}
  .header-phone:active{transform:scale(.97);}
  .header-phone svg{width:14px;height:14px;fill:currentColor;flex:none;}
  nav.site-nav a{white-space:nowrap;}
  @media (max-width:1120px){
    nav.site-nav a{padding:8px 9px;}
    .header-phone .hp-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
    .header-phone{padding:0;width:38px;height:38px;justify-content:center;}
  }
  @media (max-width:920px){
    nav.site-nav{display:none;}
  }

  /* ---------- hero ---------- */
  .hero{
    position:relative;overflow:hidden;isolation:isolate;
    background:
      radial-gradient(60% 90% at 88% 0%,rgba(29,78,216,.42),transparent 62%),
      radial-gradient(45% 60% at 0% 100%,rgba(147,197,253,.1),transparent 65%),
      var(--primary);
    color:var(--on-primary);
    padding-block:clamp(128px,17vw,176px) clamp(120px,15vw,168px);
  }
  .hero::after{
    content:"";position:absolute;inset:0;z-index:0;pointer-events:none;opacity:.5;mix-blend-mode:soft-light;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .55 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  }
  .hero-mark{
    position:absolute;right:clamp(-120px,-6vw,-20px);top:50%;transform:translateY(-50%);
    width:clamp(260px,42vw,520px);opacity:.07;pointer-events:none;z-index:0;
  }
  .hero-inner{position:relative;z-index:1;max-width:780px;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:10.5px;font-weight:700;letter-spacing:.2em;line-height:1;
    color:var(--accent-bright);text-transform:uppercase;margin:0 0 20px;
    padding:8px 13px;border-radius:9999px;
    border:1px solid rgba(147,197,253,.28);background:rgba(147,197,253,.08);
  }
  @supports (color:color-mix(in srgb,red 10%,transparent)){
    .eyebrow{
      border-color:color-mix(in srgb,currentColor 28%,transparent);
      background:color-mix(in srgb,currentColor 8%,transparent);
    }
  }
  .hero h1{font-size:clamp(34px,10.4vw,86px);line-height:.98;letter-spacing:-.045em;margin-bottom:24px;}
  .hero h1 .cold{color:var(--accent-bright);}
  .hero p.lede{
    font-size:clamp(16px,2.2vw,19px);font-weight:500;color:var(--on-primary-muted);max-width:48ch;margin-bottom:30px;
  }
  .badge{
    display:inline-flex;align-items:center;gap:10px;
    background:rgba(147,197,253,.08);border:1px solid rgba(147,197,253,.28);
    color:var(--accent-bright);font-size:11.5px;font-weight:700;letter-spacing:.14em;
    text-transform:uppercase;padding:8px 15px 8px 13px;border-radius:9999px;margin-bottom:34px;
  }
  .badge .dot{position:relative;width:7px;height:7px;border-radius:50%;background:var(--accent-bright);}
  .badge .dot::after{
    content:"";position:absolute;inset:0;border-radius:50%;background:var(--accent-bright);opacity:.5;
  }
  @media (prefers-reduced-motion: no-preference){
    .badge .dot::after{animation:ping 2.4s var(--ease) infinite;}
    @keyframes ping{0%{transform:scale(1);opacity:.55;}80%,100%{transform:scale(3.2);opacity:0;}}
    @keyframes rise{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
    @keyframes rise-h1{from{transform:translateY(16px);}to{transform:none;}}
    .hero-inner > *{animation:rise .5s var(--ease) both;}
    .hero-inner > h1{animation-name:rise-h1;}
    .hero-inner > :nth-child(2){animation-delay:.04s}
    .hero-inner > :nth-child(3){animation-delay:.08s}
    .hero-inner > :nth-child(4){animation-delay:.12s}
    .hero-inner > :nth-child(5){animation-delay:.16s}
  }
  .cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

  /* ---------- buttons (pill + nested icon island) ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:14px;
    font-family:var(--font-sans);font-weight:700;font-size:14.5px;letter-spacing:-.005em;
    min-height:48px;padding:13px 26px;border-radius:9999px;text-decoration:none;border:1px solid transparent;
    cursor:pointer;
    transition:background-color .5s var(--ease),border-color .5s var(--ease),color .5s var(--ease),transform .5s var(--ease),box-shadow .5s var(--ease);
  }
  .btn:has(.btn-ic){padding:8px 8px 8px 24px;}
  .btn-ic{
    flex:none;width:32px;height:32px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
    background:rgba(255,255,255,.18);
    transition:transform .5s var(--ease),background-color .5s var(--ease);
  }
  .btn-ic svg{width:16px;height:16px;}
  .btn-primary{
    background:var(--accent);color:var(--on-accent);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.22),0 12px 28px -12px rgba(29,78,216,.8);
  }
  .btn-primary:focus-visible{background:#0284C7;}@media (hover:hover) and (pointer:fine){.btn-primary:hover{background:#0284C7;}}
  .btn-ghost{background:rgba(255,255,255,.03);border-color:var(--on-primary-border);color:var(--on-primary);}
  .btn-ghost .btn-ic{background:rgba(255,255,255,.09);}
  .btn-ghost:focus-visible{border-color:var(--accent-bright);color:var(--accent-bright);background:rgba(147,197,253,.06);}@media (hover:hover) and (pointer:fine){.btn-ghost:hover{border-color:var(--accent-bright);color:var(--accent-bright);background:rgba(147,197,253,.06);}}
  .btn svg{width:16px;height:16px;fill:currentColor;flex:none;}
  .btn:focus-visible .btn-ic{transform:translate(2px,-1px) scale(1.08);background:rgba(255,255,255,.26);}@media (hover:hover) and (pointer:fine){.btn:hover .btn-ic{transform:translate(2px,-1px) scale(1.08);background:rgba(255,255,255,.26);}}
  .btn:active{transform:scale(.98);}

  /* ---------- sections ---------- */
  section{padding-block:clamp(72px,9vw,120px);}
  .section-head{max-width:62ch;margin-bottom:clamp(36px,5vw,56px);}
  .section-head .eyebrow{color:var(--accent);}
  .section-head h2{font-size:clamp(28px,4.6vw,44px);line-height:1.06;color:var(--fg);margin-bottom:16px;}
  .section-head p{color:var(--fg-secondary);}
  /* ---------- contact / footer ---------- */
  footer.site{
    position:relative;overflow:hidden;isolation:isolate;
    background:radial-gradient(60% 80% at 100% 0%,rgba(29,78,216,.3),transparent 60%),var(--primary);
    color:var(--on-primary);
    padding-block:clamp(64px,8vw,96px) calc(32px + env(safe-area-inset-bottom,0px));
  }
  .contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(32px,6vw,72px);align-items:center;}
  @media (max-width:720px){.contact-grid{grid-template-columns:1fr;}}
  footer.site h2{font-size:clamp(28px,4.4vw,42px);line-height:1.05;margin-bottom:16px;}
  footer.site .lede{color:var(--on-primary-muted);font-weight:500;max-width:42ch;margin-bottom:28px;}
  .contact-line{
    display:flex;align-items:center;gap:14px;padding-block:16px;
    border-top:1px solid var(--on-primary-border);
  }
  .contact-line:last-child{border-bottom:1px solid var(--on-primary-border);}
  .contact-line svg{width:18px;height:18px;fill:none;stroke:var(--accent-bright);stroke-width:1.75;flex:none;}
  .contact-line .val{font-size:15.5px;font-weight:700;letter-spacing:.1px;overflow-wrap:anywhere;}
  .copy-btn{
    margin-left:auto;background:transparent;border:1px solid var(--on-primary-border);color:var(--on-primary-muted);
    font-family:var(--font-sans);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
    padding:8px 14px;border-radius:9999px;cursor:pointer;flex:none;
    transition:color .4s var(--ease),border-color .4s var(--ease),transform .4s var(--ease);
  }
  .copy-btn:focus-visible{color:var(--on-primary);border-color:var(--accent-bright);}@media (hover:hover) and (pointer:fine){.copy-btn:hover{color:var(--on-primary);border-color:var(--accent-bright);}}
  .copy-btn:active{transform:scale(.96);}
  .footer-bottom{
    margin-top:clamp(40px,6vw,64px);padding-top:24px;border-top:1px solid var(--on-primary-border);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  }
  .footer-brand{display:flex;align-items:center;gap:9px;}
  .footer-brand svg{width:22px;height:22px;}
  .footer-brand span{font-weight:800;font-size:13px;}
  .footer-tag{font-size:12px;color:var(--on-primary-muted);}
  .footer-legal{margin-top:14px;font-size:12px;color:var(--on-primary-muted);}
  .footer-legal a{text-decoration:underline;text-underline-offset:3px;transition:color .4s var(--ease);}
  .footer-legal a:focus-visible{color:var(--on-primary);}@media (hover:hover) and (pointer:fine){.footer-legal a:hover{color:var(--on-primary);}}

  .contact-float{
    position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:30;width:56px;height:56px;border-radius:50%;
    background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 14px 30px -10px rgba(15,23,42,.55);text-decoration:none;
    transition:background-color .4s var(--ease),transform .5s var(--ease),opacity .4s var(--ease);
  }
  .contact-float svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.9;}
  .contact-float:focus-visible{background:#0284C7;transform:scale(1.07);}@media (hover:hover) and (pointer:fine){.contact-float:hover{background:#0284C7;transform:scale(1.07);}}
  .contact-float:active{transform:scale(.96);}
  .contact-float.is-hidden{opacity:0;pointer-events:none;transform:translateY(12px);}
  .btn-outline{background:transparent;border-color:var(--border);color:var(--fg);}
  .btn-outline .btn-ic{background:var(--shell);}
  .btn-outline:focus-visible{border-color:var(--accent);color:var(--accent);}@media (hover:hover) and (pointer:fine){.btn-outline:hover{border-color:var(--accent);color:var(--accent);}}
  .btn-outline:focus-visible .btn-ic{background:var(--shell-edge);}@media (hover:hover) and (pointer:fine){.btn-outline:hover .btn-ic{background:var(--shell-edge);}}

  /* ---------- language switcher + focus on dark surfaces ---------- */
  html.i18n-pending body{visibility:hidden;}
  .header-right{display:flex;align-items:center;gap:10px;}
  .lang-switch{display:flex;align-items:center;gap:2px;}
  .lang-btn{
    font-family:var(--font-sans);font-size:12px;font-weight:700;letter-spacing:.5px;line-height:1;
    min-width:34px;min-height:34px;padding:0 9px;border-radius:9999px;cursor:pointer;
    background:transparent;border:1px solid transparent;color:var(--on-primary-muted);
    transition:color .4s var(--ease),border-color .4s var(--ease),background-color .4s var(--ease);
  }
  .lang-btn:focus-visible{color:var(--on-primary);}@media (hover:hover) and (pointer:fine){.lang-btn:hover{color:var(--on-primary);}}
  .lang-btn[aria-pressed="true"]{color:var(--accent-bright);border-color:rgba(147,197,253,.45);background:rgba(147,197,253,.1);}
  header.site :focus-visible,footer.site :focus-visible,.hero :focus-visible,.maint-teaser-inner :focus-visible,.feature-lead :focus-visible{outline-color:var(--accent-bright);}
  .lang-notice{
    font-size:13px;color:var(--fg-secondary);background:var(--card);border:1px solid var(--border);
    border-radius:8px;padding:10px 14px;margin:0 0 24px;
  }
  .lang-notice[hidden]{display:none;}
  @media (max-width:560px){
    .header-row{padding:7px 7px 7px 16px;gap:8px;}
    .header-right{gap:4px;}
    .brand-word{font-size:14px;}
    .header-phone .hp-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
    .header-phone{padding:0;width:36px;height:36px;justify-content:center;}
    .header-phone svg{width:16px;height:16px;}
    .maint-teaser-inner{border-radius:28px;}
  }
  @media (prefers-reduced-motion: reduce){
    *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;animation-iteration-count:1 !important;scroll-behavior:auto !important;}
  }

  /* page courante dans le menu */
  nav.site-nav a[aria-current]{color:var(--on-primary);background:rgba(255,255,255,.1);}

  /* ---------- menu burger (écrans < 920 px) ---------- */
  .nav-toggle{
    display:none;position:relative;flex:none;width:38px;height:38px;padding:0;border-radius:50%;cursor:pointer;
    color:var(--on-primary);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
    transition:background-color .4s var(--ease),border-color .4s var(--ease),transform .4s var(--ease);
  }
  .nav-toggle:focus-visible{background:rgba(255,255,255,.12);border-color:rgba(147,197,253,.45);}@media (hover:hover) and (pointer:fine){.nav-toggle:hover{background:rgba(255,255,255,.12);border-color:rgba(147,197,253,.45);}}
  .nav-toggle:active{transform:scale(.94);}
  .nav-toggle span{
    position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:currentColor;
    transition:transform .6s var(--ease),opacity .3s var(--ease);
  }
  .nav-toggle span:nth-child(1){top:12px;}
  .nav-toggle span:nth-child(2){top:18px;}
  .nav-toggle span:nth-child(3){top:24px;}
  html.menu-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  html.menu-open .nav-toggle span:nth-child(2){opacity:0;transform:scaleX(.2);}
  html.menu-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

  .mobile-menu{display:none;}
  @media (max-width:920px){
    .nav-toggle{display:block;}
    html.menu-open{overflow:hidden;}
    .mobile-menu{
      position:fixed;inset:0;z-index:19;display:flex;flex-direction:column;justify-content:space-between;gap:32px;
      padding:112px 24px calc(32px + env(safe-area-inset-bottom,0px));overflow-y:auto;overscroll-behavior:contain;
      background:rgba(15,23,42,.9);
      -webkit-backdrop-filter:blur(24px) saturate(1.3);backdrop-filter:blur(24px) saturate(1.3);
      visibility:hidden;opacity:0;
      transition:opacity .5s var(--ease),visibility 0s linear .5s;
    }
    html.menu-open .mobile-menu{visibility:visible;opacity:1;transition:opacity .5s var(--ease),visibility 0s;}
    .mm-list{max-width:640px;width:100%;margin-inline:auto;}
    .mm-link,.mm-foot{opacity:0;transform:translateY(28px);transition:opacity .5s var(--ease),transform .5s var(--ease),color .3s var(--ease);}
    html.menu-open .mm-link,html.menu-open .mm-foot{opacity:1;transform:none;transition-delay:calc(var(--i,0) * 60ms + 120ms);}
    .mm-link{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      font-size:clamp(28px,8.4vw,42px);font-weight:800;letter-spacing:-.04em;line-height:1.1;
      color:var(--on-primary);text-decoration:none;padding:15px 0;border-bottom:1px solid rgba(255,255,255,.09);
    }
    .mm-link svg{flex:none;width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;opacity:.45;transition:transform .5s var(--ease),opacity .4s var(--ease);}
    .mm-link:focus-visible,.mm-link[aria-current]{color:var(--accent-bright);}@media (hover:hover) and (pointer:fine){.mm-link:hover{color:var(--accent-bright);}}
    .mm-link:focus-visible svg{transform:translateX(4px);opacity:1;}@media (hover:hover) and (pointer:fine){.mm-link:hover svg{transform:translateX(4px);opacity:1;}}
    .mobile-menu :focus-visible{outline-color:var(--accent-bright);}
    .mm-foot{max-width:640px;width:100%;margin-inline:auto;}
  }
  @media (max-width:560px){
    .header-phone{display:none;}
  }
  html.menu-open .contact-float{opacity:0;pointer-events:none;}