/* Optera IA — styles du site (généré par source/construire.js) */
/* Polices hébergées sur le site (SIL Open Font License), sous-ensemble latin — outils/polices.js */
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/polices/fraunces-italic-1.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: italic;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/polices/fraunces-italic-1.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/polices/fraunces-normal-2.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/polices/fraunces-normal-2.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/polices/ibm-plex-mono-normal-3.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/polices/ibm-plex-mono-normal-4.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/polices/ibm-plex-mono-normal-5.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/assets/polices/public-sans-normal-6.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/assets/polices/public-sans-normal-6.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/assets/polices/public-sans-normal-6.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Public Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/assets/polices/public-sans-normal-6.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
  /* ============ TOKENS ============ */
  :root{
    --paper:#EEF1F6;
    --surface:#FFFFFF;
    --surface-2:#E4E8F0;
    --ink:#182238;
    --ink-soft:#4C5975;
    --ink-faint:#7B87A3;
    --navy:#1F3864;
    --navy-deep:#10203A;
    --navy-ink:#0E1A30;
    --gold:#A07C43;
    --gold-strong:#8C6A36;
    --gold-tint:#EFE3CC;
    --line:rgba(31,56,100,0.15);
    --line-soft:rgba(31,56,100,0.09);
    --on-navy:#F3F1EA;
    --on-navy-soft:#B9C3DA;
    --shadow: 0 2px 5px rgba(16,32,58,0.07), 0 18px 44px -18px rgba(16,32,58,0.26);
    --radius: 3px;
    --maxw: 1120px;
    --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }
  @media (prefers-color-scheme: dark){
    :root:not([data-theme="light"]){
      --paper:#0C1428;
      --surface:#121F3A;
      --surface-2:#182A4D;
      --ink:#E9ECF5;
      --ink-soft:#AEB8D2;
      --ink-faint:#7C89AC;
      --navy:#7C97C9;
      --navy-deep:#0A1428;
      --navy-ink:#060D1C;
      --gold:#D9B77E;
      --gold-strong:#E6C68F;
      --gold-tint:rgba(217,183,126,0.14);
      --line:rgba(220,228,245,0.14);
      --line-soft:rgba(220,228,245,0.08);
      --on-navy:#F3F1EA;
      --on-navy-soft:#B9C3DA;
      --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 12px 32px -16px rgba(0,0,0,0.55);
    }
  }
  :root[data-theme="dark"]{
    --paper:#0C1428;
    --surface:#121F3A;
    --surface-2:#182A4D;
    --ink:#E9ECF5;
    --ink-soft:#AEB8D2;
    --ink-faint:#7C89AC;
    --navy:#7C97C9;
    --navy-deep:#0A1428;
    --navy-ink:#060D1C;
    --gold:#D9B77E;
    --gold-strong:#E6C68F;
    --gold-tint:rgba(217,183,126,0.14);
    --line:rgba(220,228,245,0.14);
    --line-soft:rgba(220,228,245,0.08);
    --on-navy:#F3F1EA;
    --on-navy-soft:#B9C3DA;
    --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 12px 32px -16px rgba(0,0,0,0.55);
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  @media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto;} *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;} }

  body{
    margin:0;
    background-color:var(--paper);
    background-image:var(--grain);
    background-blend-mode:overlay;
    color:var(--ink);
    font-family:"Public Sans", ui-sans-serif, system-ui, sans-serif;
    font-size:16px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{
    font-family:"Fraunces", Georgia, "Times New Roman", serif;
    color:var(--ink);
    font-weight:600;
    text-wrap:balance;
    margin:0;
  }
  .mono{ font-family:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace; }
  .eyebrow{
    font-family:"IBM Plex Mono", monospace;
    font-size:12.5px;
    letter-spacing:0.11em;
    text-transform:uppercase;
    color:var(--gold-strong);
    font-weight:500;
  }
  a{ color:inherit; }
  img,svg{ display:block; max-width:100%; }
  .wrap{ max-width:var(--maxw); margin:0 auto; padding:0 28px; }
  section{ position:relative; }

  /* ============ NAV ============ */
  header.site{
    position:sticky; top:0; z-index:40;
    background:color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line-soft);
  }
  .navrow{ display:flex; align-items:center; justify-content:space-between; padding:16px 28px; max-width:var(--maxw); margin:0 auto; flex-wrap:wrap; row-gap:12px; }
  .brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
  .brand-mark{ width:30px; height:30px; flex:none; }
  .brand-word{ font-family:"Fraunces", serif; font-weight:600; font-size:19px; letter-spacing:0.01em; color:var(--ink); }
  .brand-word em{ font-style:normal; color:var(--gold-strong); }
  nav.links{ display:flex; align-items:center; gap:22px; flex-wrap:wrap; row-gap:8px; }
  nav.links a{ text-decoration:none; font-size:14.5px; color:var(--ink-soft); font-weight:500; transition:color .15s ease; }
  nav.links a:hover, nav.links a:focus-visible{ color:var(--navy); }
  nav.links a.btn{ color:var(--navy-ink); }
  nav.links a.btn:hover{ color:var(--navy-ink); }
  .btn{
    display:inline-flex; align-items:center; gap:8px;
    font-family:"Public Sans", sans-serif; font-weight:600; font-size:14.5px;
    padding:11px 20px; border-radius:var(--radius);
    text-decoration:none; cursor:pointer; border:1px solid transparent;
    transition:transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
  }
  .btn:active{ transform:translateY(1px); }
  .btn-gold{ background:var(--gold); color:var(--navy-ink); }
  .btn-gold:hover{ background:var(--gold-strong); box-shadow:var(--shadow); }
  .btn-ghost{ background:transparent; border-color:var(--line); color:var(--ink); }
  .btn-ghost:hover{ border-color:var(--navy); }
  .btn-on-navy{ background:var(--gold); color:var(--navy-ink); }
  .btn-on-navy:hover{ background:var(--gold-strong); }
  .nav-cta{ display:none; }
  @media (min-width: 760px){ .nav-cta{ display:inline-flex; } }

  /* ============ HERO ============ */
  .hero{
    background:
      radial-gradient(1100px 520px at 82% -10%, color-mix(in srgb, var(--gold) 16%, transparent), transparent 60%),
      repeating-linear-gradient(0deg, color-mix(in srgb, var(--gold-strong) 7%, transparent) 0 1px, transparent 1px 64px),
      repeating-linear-gradient(90deg, color-mix(in srgb, var(--gold-strong) 7%, transparent) 0 1px, transparent 1px 64px),
      linear-gradient(180deg, var(--navy-deep), var(--navy-ink));
    color:var(--on-navy);
    overflow:hidden;
    position:relative;
  }
  .hero::after{
    content:"";
    position:absolute; inset:0;
    background-image:var(--grain);
    opacity:0.5;
    mix-blend-mode:overlay;
    pointer-events:none;
  }
  .hero-inner{ position:relative; z-index:1; }
  .hero-inner{
    max-width:var(--maxw); margin:0 auto; padding:88px 28px 76px;
    display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;
  }
  @media (max-width: 880px){ .hero-inner{ grid-template-columns:1fr; padding:56px 24px 48px; gap:40px; } }
  .hero h1{ color:var(--on-navy); font-size:clamp(30px, 4.4vw, 46px); line-height:1.14; letter-spacing:-0.01em; }
  .hero h1 .accent{ color:var(--gold-strong); font-style:italic; }
  .hero p.lede{ font-size:17.5px; color:var(--on-navy-soft); max-width:46ch; margin-top:18px; }
  .hero .cta-row{ display:flex; gap:14px; margin-top:30px; flex-wrap:wrap; align-items:center; }
  .hero .microcopy{ font-size:13px; color:var(--on-navy-soft); margin-top:12px; font-family:"IBM Plex Mono", monospace; }

  .schematic-frame{
    background:color-mix(in srgb, var(--navy) 22%, var(--navy-ink));
    border:1px solid rgba(217,183,126,0.22);
    border-radius:6px;
    padding:26px 22px;
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02);
  }
  .schematic-frame .cap{ font-family:"IBM Plex Mono", monospace; font-size:11.5px; letter-spacing:0.09em; text-transform:uppercase; color:var(--on-navy-soft); margin-bottom:14px; display:flex; justify-content:space-between; }
  .flow-line{ fill:none; stroke:var(--gold-strong); stroke-width:1.6; opacity:0.9; }
  .flow-line.draw{ stroke-dasharray:340; stroke-dashoffset:340; animation:draw 2.1s ease forwards 0.3s; }
  @keyframes draw{ to{ stroke-dashoffset:0; } }
  .flow-node{ fill:var(--navy-ink); stroke:var(--gold-strong); stroke-width:1.4; }
  .flow-node.solid{ fill:var(--gold-strong); stroke:none; }
  .flow-label{ font-family:"IBM Plex Mono", monospace; font-size:9.5px; fill:var(--on-navy-soft); letter-spacing:0.02em; }
  .flow-label.hot{ fill:var(--gold-strong); }

  /* ============ SECTION SCAFFOLD ============ */
  .section{ padding:88px 0; }
  .section.tight{ padding:64px 0; }
  .section-head{ max-width:640px; margin-bottom:44px; }
  .section-head h2{ font-size:clamp(24px,3vw,32px); margin-top:10px; }
  .section-head p{ color:var(--ink-soft); margin-top:12px; font-size:16px; max-width:56ch; }
  .band{
    background-color:var(--surface-2);
    background-image: radial-gradient(circle, var(--line) 1px, transparent 1.4px);
    background-size: 26px 26px;
    background-position: -6px -6px;
    border-top:1px solid var(--line-soft); border-bottom:1px solid var(--line-soft);
  }

  /* ============ PROBLEM STATEMENT ============ */
  .statement{
    font-family:"Fraunces", serif; font-weight:500; font-style:italic;
    font-size:clamp(21px,2.6vw,29px); line-height:1.45; color:var(--ink);
    max-width:820px;
  }
  .statement .cut{ color:var(--gold-strong); font-style:normal; }

  /* ============ OFFERS ============ */
  .offers-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
  @media (max-width: 820px){ .offers-grid{ grid-template-columns:1fr; } }
  .offer-card{
    position:relative;
    background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
    padding:28px 26px 26px; display:flex; flex-direction:column; gap:16px;
    overflow:hidden;
    box-shadow:0 1px 2px rgba(16,32,58,0.05), 0 10px 26px -18px rgba(16,32,58,0.35);
    transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
  }
  .offer-card::before{
    content:""; position:absolute; top:0; left:0; right:0; height:4px;
    background:linear-gradient(90deg, var(--navy), var(--gold-strong));
  }
  .offer-card:hover{ border-color:color-mix(in srgb, var(--gold) 55%, var(--line)); box-shadow:var(--shadow); transform:translateY(-2px); }
  .offer-top{ display:flex; align-items:flex-start; justify-content:space-between; gap:14px; }
  .offer-num{
    display:inline-block; font-family:"IBM Plex Mono", monospace; font-weight:700;
    font-size:11px; letter-spacing:0.05em; color:var(--on-navy); background:var(--navy);
    padding:4px 10px 3px; border-radius:20px; margin-bottom:8px;
  }
  .offer-icon{
    width:36px; height:36px; padding:8px; box-sizing:border-box; flex:none; border-radius:50%;
    color:var(--gold-strong); background:var(--gold-tint);
  }
  .offer-card h3{ font-size:19.5px; margin-top:4px; display:block; }
  .offer-card p.desc{ color:var(--ink-soft); font-size:14.8px; line-height:1.55; margin:0; }
  .mini-flow{ width:100%; height:46px; }
  .mini-flow .fl{ fill:none; stroke:var(--gold); stroke-width:1.4; opacity:0.85; }
  .mini-flow .fn{ fill:var(--surface); stroke:var(--gold); stroke-width:1.3; }
  .mini-flow .fn.solid{ fill:var(--gold); stroke:none; }
  .offer-price{ display:flex; align-items:baseline; gap:8px; margin-top:auto; padding-top:14px; border-top:1px solid var(--line-soft); }
  .offer-price .setup{ font-family:"IBM Plex Mono", monospace; font-weight:600; font-size:20px; color:var(--navy); }
  .offer-price .setup-label{ font-size:12px; color:var(--ink-faint); }
  .offer-price .plus{ color:var(--ink-faint); font-size:13px; }
  .offer-price .sub{
    font-family:"IBM Plex Mono", monospace; font-weight:700; font-size:15px; color:var(--gold-strong);
    background:var(--gold-tint); padding:2px 8px; border-radius:20px;
  }
  .offer-price .sub-label{ font-size:12px; color:var(--ink-faint); }

  /* ============ PROCESS ============ */
  .process-row{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; position:relative; }
  @media (max-width: 880px){ .process-row{ grid-template-columns:1fr; gap:28px; } }
  .process-row::before{
    content:""; position:absolute; top:19px; left:6%; right:6%; height:1px;
    background:repeating-linear-gradient(90deg, var(--line) 0 6px, transparent 6px 12px);
  }
  @media (max-width: 880px){ .process-row::before{ display:none; } }
  .step{ position:relative; padding:0 18px 0 0; }
  .step:first-child{ padding-left:0; }
  .step .n{
    width:38px; height:38px; border-radius:50%; background:var(--navy); color:var(--on-navy);
    font-family:"IBM Plex Mono", monospace; font-weight:600; font-size:14px;
    display:flex; align-items:center; justify-content:center; position:relative; z-index:1;
    margin-bottom:16px;
  }
  .step h3{ font-size:16.5px; margin-bottom:6px; }
  .step p{ color:var(--ink-soft); font-size:14.3px; margin:0; }

  /* ============ WHY ============ */
  .why-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
  @media (max-width: 880px){ .why-grid{ grid-template-columns:1fr; } }
  .why-card{ padding:0; }
  .why-card .glyph{
    width:42px; height:42px; padding:9px; box-sizing:border-box; margin-bottom:16px;
    border-radius:50%; color:var(--gold-strong); background:var(--gold-tint);
  }
  .why-card h3{ font-size:17px; margin-bottom:8px; }
  .why-card p{ color:var(--ink-soft); font-size:14.6px; margin:0; }

  /* ============ CONTACT ============ */
  .contact-wrap{ display:grid; grid-template-columns:0.85fr 1.15fr; gap:48px; align-items:start; }
  @media (max-width: 880px){ .contact-wrap{ grid-template-columns:1fr; } }
  .contact-side .eyebrow{ margin-bottom:10px; }
  .contact-side h2{ font-size:clamp(24px,3vw,30px); }
  .contact-side p{ color:var(--ink-soft); margin-top:14px; max-width:40ch; }
  .contact-fact{ display:flex; gap:12px; margin-top:22px; font-size:14px; color:var(--ink-soft); align-items:flex-start; }
  .contact-fact svg{ flex:none; width:18px; height:18px; margin-top:2px; color:var(--gold-strong); }

  form.devis{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:30px; }
  .field{ margin-bottom:18px; }
  .field label{ display:block; font-size:13px; font-weight:600; color:var(--ink); margin-bottom:7px; }
  .field .req{ color:var(--gold-strong); }
  .field input, .field select, .field textarea{
    width:100%; font-family:"Public Sans", sans-serif; font-size:15px; color:var(--ink);
    background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
    padding:11px 13px; outline:none; transition:border-color .15s ease, box-shadow .15s ease;
  }
  .field input:focus, .field select:focus, .field textarea:focus{
    border-color:var(--gold); box-shadow:0 0 0 3px color-mix(in srgb, var(--gold) 22%, transparent);
  }
  .field textarea{ min-height:100px; resize:vertical; }
  .field-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
  @media (max-width: 520px){ .field-row{ grid-template-columns:1fr; } }
  .form-foot{ display:flex; align-items:center; justify-content:space-between; gap:16px; margin-top:6px; flex-wrap:wrap; }
  .form-note{ font-size:12.5px; color:var(--ink-faint); max-width:34ch; }
  .form-status{ font-size:13px; color:var(--gold-strong); font-family:"IBM Plex Mono", monospace; min-height:16px; }

  /* ============ FOOTER ============ */
  footer{ background:var(--navy-ink); color:var(--on-navy-soft); padding:48px 0 28px; }
  .footer-grid{ display:flex; justify-content:space-between; gap:32px; flex-wrap:wrap; padding-bottom:28px; border-bottom:1px solid rgba(255,255,255,0.09); }
  .footer-brand{ display:flex; align-items:center; gap:10px; }
  .footer-brand .brand-word{ color:var(--on-navy); }
  footer nav{ display:flex; gap:24px; flex-wrap:wrap; }
  footer nav a{ text-decoration:none; color:var(--on-navy-soft); font-size:14px; }
  footer nav a:hover{ color:var(--gold-strong); }
  .legal{ font-size:12px; color:rgba(185,195,218,0.65); margin-top:22px; line-height:1.7; font-family:"IBM Plex Mono", monospace; }
  .legal b{ color:var(--on-navy-soft); font-weight:500; }

  .skip-link{ position:absolute; left:-999px; top:auto; }
  .skip-link:focus{ left:12px; top:12px; z-index:100; background:var(--gold); color:var(--navy-ink); padding:8px 14px; border-radius:4px; }
  :focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }

  /* ============ DÉMOS VIDÉO ============ */
  .offer-demo{
    display:flex; align-items:center; gap:14px; width:100%;
    padding:8px 16px 8px 8px; margin:0;
    background:var(--paper); border:1px solid var(--line); border-radius:var(--radius);
    font-family:"Public Sans", sans-serif; color:var(--ink); text-align:left; cursor:pointer;
    transition:border-color .15s ease, background-color .15s ease;
  }
  .offer-demo:hover{ border-color:var(--gold); }
  .offer-demo-thumb{ position:relative; flex:none; width:84px; height:84px; border-radius:2px; overflow:hidden; background:#080E1A; }
  .offer-demo-thumb img{ width:100%; height:100%; object-fit:cover; }
  .offer-demo-play{
    position:absolute; left:50%; top:50%; width:34px; height:34px; margin:-17px 0 0 -17px;
    border-radius:50%; background:var(--gold); color:var(--navy-ink);
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 4px 14px rgba(0,0,0,0.35); transition:transform .15s ease;
  }
  .offer-demo:hover .offer-demo-play{ transform:scale(1.08); }
  .offer-demo-play svg{ width:12px; height:12px; margin-left:2px; }
  .offer-demo-txt{ display:flex; flex-direction:column; gap:2px; min-width:0; flex:1; }
  .offer-demo-t{ font-weight:600; font-size:15px; line-height:1.3; }
  .offer-demo-m{ font-family:"IBM Plex Mono", monospace; font-size:12px; letter-spacing:0.04em; color:var(--ink-faint); }
  .offer-demo-arrow{ flex:none; width:18px; height:18px; color:var(--gold-strong); transition:transform .15s ease; }
  .offer-demo:hover .offer-demo-arrow{ transform:translateX(3px); }


  /* ================================================================
     SITE EN PLUSIEURS PAGES (27/09/2026) — ce qui s'ajoute au style d'origine
     ================================================================ */

  /* le doré lisible sur les fonds bleu nuit (contraste AA), dans les deux thèmes */
  :root{ --gold-on-navy:#D9B77E; --ink-faint:#5F6B86; }   /* gris des petits textes : 4,7:1 sur le papier (le thème sombre garde le sien) */
  .offer-demo-m{ color:var(--ink-soft); }
  .form-note{ color:var(--ink-soft); }
  .form-note a{ color:var(--navy); }
  footer .brand-word em{ color:var(--gold-on-navy); }
  .flow-label.hot{ fill:var(--gold-on-navy); }

  /* ============ EN-TÊTE ET MENU ============ */
  .navrow{ gap:16px; flex-wrap:nowrap; }
  .brand-mark{ width:32px; height:32px; }
  nav.links a[aria-current="page"]{ color:var(--navy); text-decoration:underline; text-decoration-color:var(--gold); text-underline-offset:6px; text-decoration-thickness:2px; }
  .menu-bouton{ display:none; }
  @media (max-width: 939px){
    .navrow{ flex-wrap:wrap; }
    .js .menu-bouton{
      display:inline-flex; align-items:center; gap:8px; margin-left:auto;
      font:600 14px "Public Sans", sans-serif; color:var(--ink); background:transparent;
      border:1px solid var(--line); border-radius:var(--radius); padding:9px 14px; cursor:pointer;
    }
    .menu-bouton svg{ width:16px; height:16px; }
    nav.links{ width:100%; }
    .js nav.links{ display:none; }
    .js nav.links.ouvert{ display:flex; flex-direction:column; align-items:flex-start; gap:4px; padding:8px 0 6px; }
    .js nav.links.ouvert a{ padding:8px 0; font-size:16px; }
    .nav-cta{ display:inline-flex; }
    .js nav.links.ouvert .nav-cta{ margin-top:8px; padding:11px 20px; }
  }

  /* ============ HAUT DES PAGES INTÉRIEURES ============ */
  .page-hero{
    background:
      radial-gradient(900px 420px at 88% -20%, color-mix(in srgb, var(--gold) 14%, transparent), transparent 60%),
      linear-gradient(180deg, var(--navy-deep), var(--navy-ink));
    color:var(--on-navy); position:relative; overflow:hidden;
  }
  .page-hero::after{ content:""; position:absolute; inset:0; background-image:var(--grain); opacity:.5; mix-blend-mode:overlay; pointer-events:none; }
  .page-hero-inner{ position:relative; z-index:1; max-width:var(--maxw); margin:0 auto; padding:34px 28px 58px;
    display:grid; grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr); gap:48px; align-items:end; }
  .page-hero-inner.seul{ grid-template-columns:minmax(0,1fr); }
  @media (max-width: 880px){ .page-hero-inner{ grid-template-columns:minmax(0,1fr); gap:28px; padding:26px 20px 44px; } }
  .page-hero h1{ color:var(--on-navy); font-size:clamp(28px, 4vw, 42px); line-height:1.15; letter-spacing:-.01em; margin-top:14px; max-width:22ch; }
  .page-hero .lede{ font-size:17.5px; color:var(--on-navy-soft); max-width:58ch; margin:16px 0 0; }
  .page-hero .cta-row{ display:flex; gap:14px; margin-top:26px; flex-wrap:wrap; align-items:center; }
  .page-hero .eyebrow{ color:var(--gold-on-navy); }

  /* le fil d'Ariane */
  .fil{ font-family:"IBM Plex Mono", monospace; font-size:12px; letter-spacing:.04em; color:var(--on-navy-soft); }
  .fil ol{ list-style:none; margin:0; padding:0; display:flex; flex-wrap:wrap; gap:4px 8px; }
  .fil li{ display:flex; gap:8px; align-items:center; }
  .fil li + li::before{ content:"/"; opacity:.5; }
  .fil a{ color:var(--on-navy-soft); text-decoration:none; }
  .fil a:hover{ color:var(--gold-on-navy); }
  .fil [aria-current]{ color:var(--on-navy); }

  /* le bloc prix, à droite du haut de page */
  .prix-bloc{ background:color-mix(in srgb, var(--navy) 22%, var(--navy-ink)); border:1px solid rgba(217,183,126,.25); border-radius:6px; padding:22px; }
  .prix-bloc .eyebrow{ font-size:11.5px; }
  .prix-ligne{ display:flex; align-items:baseline; gap:10px; margin-top:12px; flex-wrap:wrap; }
  .prix-ligne b{ font-family:"IBM Plex Mono", monospace; font-weight:600; font-size:26px; color:var(--on-navy); }
  .prix-ligne span{ font-size:13px; color:var(--on-navy-soft); }
  .prix-ligne.mois b{ color:var(--gold-on-navy); font-size:22px; }
  .prix-bloc p{ margin:14px 0 0; font-size:13.5px; color:var(--on-navy-soft); line-height:1.55; }
  .prix-bloc .offer-demo{ margin-top:16px; background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.14); color:var(--on-navy); }
  .prix-bloc .offer-demo-m{ color:var(--on-navy-soft); }

  /* ============ TEXTE LONG ============ */
  .corps{ display:grid; grid-template-columns:minmax(0,1fr) 300px; gap:56px; align-items:start; }
  .corps.plein{ grid-template-columns:minmax(0,1fr); }
  @media (max-width: 960px){ .corps{ grid-template-columns:minmax(0,1fr); gap:36px; } }
  .prose{ max-width:70ch; }
  .prose h2{ font-size:clamp(23px, 2.6vw, 29px); line-height:1.25; margin:52px 0 14px; }
  .prose h2:first-child{ margin-top:0; }
  .prose h3{ font-size:18.5px; margin:30px 0 8px; }
  .prose p{ color:var(--ink-soft); margin:0 0 14px; font-size:16.5px; line-height:1.7; }
  .prose p b, .prose li b{ color:var(--ink); font-weight:600; }
  .prose ul, .prose ol{ margin:0 0 18px; padding-left:22px; color:var(--ink-soft); font-size:16.5px; line-height:1.65; }
  .prose li{ margin-bottom:8px; }
  .prose li::marker{ color:var(--gold-strong); }
  .prose a{ color:var(--navy); text-decoration-color:var(--gold); text-underline-offset:3px; }
  .prose a:hover{ color:var(--gold-strong); }
  .encadre{ background:var(--surface); border:1px solid var(--line); border-left:3px solid var(--gold); border-radius:var(--radius); padding:18px 22px; margin:22px 0; }
  .encadre p:last-child{ margin-bottom:0; }
  .encadre .eyebrow{ display:block; margin-bottom:8px; }

  /* un échange d'exemple, écrit comme des SMS */
  .exemple{ background:var(--surface); border:1px solid var(--line); border-radius:6px; padding:18px 20px 16px; margin:22px 0; }
  .exemple-t{ font-family:"IBM Plex Mono", monospace; font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 12px; }
  .exemple .sms{ max-width:88%; padding:9px 13px; border-radius:16px; font-size:14.5px; line-height:1.5; margin:0 0 8px; }
  .exemple .sms.eux{ background:var(--surface-2); color:var(--ink); border-bottom-left-radius:5px; }
  .exemple .sms.nous{ margin-left:auto; background:var(--navy); color:var(--on-navy); border-bottom-right-radius:5px; }
  .exemple .resultat{ margin:14px 0 0; padding-top:12px; border-top:1px solid var(--line-soft); font-size:14px; color:var(--ink-soft); }
  .exemple .resultat b{ color:var(--ink); }

  /* les étapes, de haut en bas */
  .etapes{ list-style:none; margin:24px 0 26px; padding:0; counter-reset:etape; }
  .etapes li{ position:relative; padding:0 0 22px 56px; counter-increment:etape; }
  .etapes li::before{ content:counter(etape, decimal-leading-zero); position:absolute; left:0; top:0; width:38px; height:38px; border-radius:50%;
    background:var(--navy); color:var(--on-navy); font:600 13.5px "IBM Plex Mono", monospace; display:grid; place-items:center; }
  .etapes li::after{ content:""; position:absolute; left:18.5px; top:42px; bottom:4px; width:1px; background:var(--line); }
  .etapes li:last-child::after{ display:none; }
  .etapes b{ display:block; font-family:"Fraunces", Georgia, serif; font-size:18px; font-weight:600; color:var(--ink); margin:6px 0 4px; }
  .etapes span{ display:block; color:var(--ink-soft); font-size:15.5px; line-height:1.6; }

  /* la colonne de droite */
  .aside{ position:sticky; top:96px; display:flex; flex-direction:column; gap:18px; }
  @media (max-width: 960px){ .aside{ position:static; } }
  .aside-carte{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:20px; }
  .aside-carte h2{ font-size:17px; margin:0 0 10px; }
  .aside-carte p{ font-size:14px; color:var(--ink-soft); margin:0 0 12px; }
  .aside-carte ul{ list-style:none; margin:0; padding:0; }
  .aside-carte li + li{ border-top:1px solid var(--line-soft); }
  .aside-carte li a{ display:block; padding:9px 0; font-size:14.5px; color:var(--ink); text-decoration:none; }
  .aside-carte li a:hover{ color:var(--navy); }
  .aside-carte .btn{ width:100%; justify-content:center; }

  /* ============ GRILLES DE CARTES ============ */
  .grille-3{ display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:18px; }
  .grille-4{ display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:16px; }
  @media (max-width: 960px){ .grille-3, .grille-4{ grid-template-columns:repeat(2, minmax(0,1fr)); } }
  @media (max-width: 560px){ .grille-3, .grille-4{ grid-template-columns:minmax(0,1fr); } }
  .carte-lien{ display:flex; flex-direction:column; gap:8px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius);
    padding:20px; text-decoration:none; color:var(--ink); transition:border-color .15s ease, transform .15s ease, box-shadow .15s ease; }
  .carte-lien:hover{ border-color:var(--gold); transform:translateY(-2px); box-shadow:var(--shadow); }
  .carte-lien .ico{ width:40px; height:40px; border-radius:10px; background:var(--gold-tint); color:var(--gold-strong); display:grid; place-items:center; }
  .carte-lien .ico svg{ width:24px; height:24px; }
  .carte-lien b{ font-family:"Fraunces", Georgia, serif; font-size:18px; font-weight:600; line-height:1.25; }
  .carte-lien span{ font-size:14.2px; color:var(--ink-soft); line-height:1.5; }
  .carte-lien .suite{ margin-top:auto; padding-top:6px; font-family:"IBM Plex Mono", monospace; font-size:12px; letter-spacing:.05em; color:var(--gold-strong); }

  .offer-card .offer-lien{ font-size:14px; font-weight:600; color:var(--navy); text-decoration:none; }
  .offer-card .offer-lien:hover{ color:var(--gold-strong); }
  .offer-card h3 a{ color:inherit; text-decoration:none; }
  .offer-card h3 a:hover{ color:var(--navy); }
  .offer-card.vedette{ border-color:color-mix(in srgb, var(--gold) 60%, var(--line)); }

  /* ============ QUESTIONS FRÉQUENTES ============ */
  .faq{ border-top:1px solid var(--line); }
  .faq details{ border-bottom:1px solid var(--line); }
  .faq summary{ list-style:none; cursor:pointer; padding:18px 40px 18px 0; position:relative;
    font-family:"Fraunces", Georgia, serif; font-size:18px; font-weight:600; color:var(--ink); line-height:1.35; }
  .faq summary::-webkit-details-marker{ display:none; }
  .faq summary::after{ content:"+"; position:absolute; right:6px; top:15px; font:400 24px "IBM Plex Mono", monospace; color:var(--gold-strong); }
  .faq details[open] summary::after{ content:"–"; }
  .faq summary:hover{ color:var(--navy); }
  .faq .rep{ padding:0 0 18px; }
  .faq .rep p{ margin:0 0 10px; color:var(--ink-soft); font-size:16px; line-height:1.65; max-width:70ch; }
  .faq h2.faq-groupe{ font-size:15px; font-family:"IBM Plex Mono", monospace; letter-spacing:.08em; text-transform:uppercase; color:var(--gold-strong); font-weight:500; margin:44px 0 10px; }

  /* ============ BANDEAU D'APPEL ============ */
  .bandeau-cta{ background:var(--navy-deep); color:var(--on-navy); border-radius:6px; padding:34px; display:flex; gap:24px 40px; align-items:center; justify-content:space-between; flex-wrap:wrap; }
  .bandeau-cta h2{ color:var(--on-navy); font-size:clamp(21px, 2.4vw, 26px); max-width:30ch; }
  .bandeau-cta p{ color:var(--on-navy-soft); margin:8px 0 0; max-width:52ch; font-size:15px; }

  /* ============ CALCULATEUR ============ */
  .calc{ display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:0; background:var(--surface); border:1px solid var(--line); border-radius:6px; overflow:hidden; }
  @media (max-width: 860px){ .calc{ grid-template-columns:minmax(0,1fr); } }
  .calc-entrees{ padding:28px; display:flex; flex-direction:column; gap:22px; }
  .calc-champ label{ display:flex; justify-content:space-between; gap:12px; font-size:14.5px; font-weight:600; color:var(--ink); margin-bottom:10px; }
  .calc-champ output{ font-family:"IBM Plex Mono", monospace; font-weight:600; color:var(--navy); white-space:nowrap; }
  .calc-champ input[type=range]{ width:100%; accent-color:var(--gold); }
  .calc-champ small{ display:block; margin-top:6px; font-size:12.8px; color:var(--ink-faint); line-height:1.5; }
  .calc-sortie{ background:var(--navy-deep); color:var(--on-navy); padding:28px; display:flex; flex-direction:column; gap:18px; }
  .calc-sortie .eyebrow{ color:var(--gold-on-navy); }
  .calc-gros{ font-family:"Fraunces", Georgia, serif; font-size:clamp(36px, 5vw, 50px); font-weight:600; line-height:1.05; color:var(--gold-on-navy); font-variant-numeric:tabular-nums; }
  .calc-ligne{ display:flex; justify-content:space-between; gap:16px; padding:10px 0; border-top:1px solid rgba(255,255,255,.1); font-size:14.5px; color:var(--on-navy-soft); }
  .calc-ligne b{ font-family:"IBM Plex Mono", monospace; color:var(--on-navy); font-weight:600; font-variant-numeric:tabular-nums; white-space:nowrap; }
  .calc-verdict{ font-size:15px; line-height:1.6; color:var(--on-navy); background:rgba(217,183,126,.1); border:1px solid rgba(217,183,126,.28); border-radius:4px; padding:14px 16px; }

  /* ============ CONTACT DIRECT ============ */
  .coord{ list-style:none; margin:22px 0 0; padding:0; display:flex; flex-direction:column; gap:14px; }
  .coord li{ display:flex; gap:12px; align-items:flex-start; font-size:15px; color:var(--ink-soft); }
  .coord svg{ flex:none; width:18px; height:18px; margin-top:3px; color:var(--gold-strong); }
  .coord a{ color:var(--ink); font-weight:600; text-decoration:none; }
  .coord a:hover{ color:var(--navy); }

  /* ============ PIED DE PAGE ============ */
  .pied-grille{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:34px; padding-bottom:30px; border-bottom:1px solid rgba(255,255,255,.09); }
  @media (max-width: 880px){ .pied-grille{ grid-template-columns:repeat(2, minmax(0,1fr)); } }
  @media (max-width: 520px){ .pied-grille{ grid-template-columns:minmax(0,1fr); } }
  .pied-grille h2{ font-family:"IBM Plex Mono", monospace; font-size:12px; font-weight:500; letter-spacing:.1em; text-transform:uppercase; color:var(--gold-on-navy); margin:0 0 12px; }
  .pied-grille ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
  .pied-grille a{ color:var(--on-navy-soft); text-decoration:none; font-size:14px; }
  .pied-grille a:hover{ color:var(--gold-on-navy); }
  .pied-grille p{ font-size:14px; color:var(--on-navy-soft); margin:12px 0 0; line-height:1.6; }
  .pied-bas{ display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; padding-top:20px; font-size:12.5px; color:rgba(185,195,218,.7); font-family:"IBM Plex Mono", monospace; }
  .pied-bas a{ color:inherit; }

  /* ============ DIVERS ============ */
  .section.court{ padding:64px 0; }
  .centre{ text-align:center; }
  .section-head.large{ max-width:760px; }
  .lien-fleche{ display:inline-flex; align-items:center; gap:6px; font-weight:600; color:var(--navy); text-decoration:none; }
  .lien-fleche:hover{ color:var(--gold-strong); }
  .note-fictif{ font-size:13px; color:var(--ink-faint); margin-top:10px; }
  .page-404{ padding:90px 0 110px; }

  /* ============ MENU DÉROULANT DES OFFRES (27/09/2026) ============ */
  .menu-offres{ position:relative; }
  .menu-offres summary{ list-style:none; cursor:pointer; display:inline-flex; align-items:center; gap:6px;
    font-size:14.5px; font-weight:500; color:var(--ink-soft); transition:color .15s ease; border-radius:var(--radius); }
  .menu-offres summary::-webkit-details-marker{ display:none; }
  .menu-offres summary:hover, .menu-offres[open] summary{ color:var(--navy); }
  .menu-offres summary.actif{ color:var(--navy); text-decoration:underline; text-decoration-color:var(--gold); text-underline-offset:6px; text-decoration-thickness:2px; }
  .menu-offres .chevron{ width:12px; height:12px; transition:transform .15s ease; }
  .menu-offres[open] .chevron{ transform:rotate(180deg); }
  .menu-panneau{ position:absolute; top:calc(100% + 16px); left:-20px; z-index:60; width:min(580px, calc(100vw - 32px));
    background:var(--surface); border:1px solid var(--line); border-radius:6px; box-shadow:var(--shadow); padding:10px;
    display:flex; flex-direction:column; gap:2px; }
  .mo-ligne{ display:flex; align-items:center; gap:10px; padding:4px 6px 4px 4px; border-radius:4px; transition:background-color .12s ease; }
  .mo-ligne:hover{ background:var(--paper); }
  nav.links .mo-lien{ flex:1; min-width:0; display:flex; align-items:center; gap:12px; padding:6px; color:var(--ink); text-decoration:none; }
  nav.links .mo-lien:hover{ color:var(--navy); }
  nav.links .mo-lien[aria-current="page"]{ text-decoration:none; }
  nav.links .mo-lien[aria-current="page"] b{ color:var(--navy); }
  .mo-lien .offer-icon{ width:34px; height:34px; padding:7px; }
  .mo-txt{ min-width:0; }
  .mo-txt b{ display:block; font-family:"Fraunces", Georgia, serif; font-size:16px; font-weight:600; line-height:1.25; }
  .mo-txt small{ display:block; margin-top:2px; font-size:12.8px; color:var(--ink-soft); line-height:1.4; }
  .mo-txt .mo-prix{ font-family:"IBM Plex Mono", monospace; font-size:12px; color:var(--navy); white-space:nowrap; }
  .offer-demo.menu-demo{ width:auto; flex:none; gap:7px; padding:8px 13px; margin:0; border:1px solid transparent; border-radius:var(--radius);
    background:var(--gold); color:var(--navy-ink); font-size:13px; font-weight:600; white-space:nowrap; }
  .offer-demo.menu-demo:hover{ background:var(--gold-strong); border-color:transparent; }
  .offer-demo.menu-demo svg{ width:10px; height:10px; }
  nav.links .mo-tout{ display:block; margin-top:6px; padding:12px 10px 6px; border-top:1px solid var(--line-soft); font-size:14px; font-weight:600; color:var(--navy); text-decoration:none; }
  nav.links .mo-tout:hover{ color:var(--gold-strong); }
  @media (max-width: 939px){
    .menu-offres{ width:100%; }
    .js nav.links.ouvert .menu-offres summary{ padding:8px 0; font-size:16px; }
    .menu-panneau{ position:static; width:100%; box-shadow:none; margin:4px 0 8px; padding:6px; }
    .js nav.links.ouvert .menu-offres a{ font-size:inherit; }
    .js nav.links.ouvert .mo-lien{ padding:6px; }
    .mo-ligne{ flex-wrap:wrap; }
    nav.links .mo-lien{ flex-basis:100%; }
    .offer-demo.menu-demo{ margin-left:52px; margin-bottom:6px; }
  }

  /* ============ MOBILE ET ORDINATEUR (28/09/2026) ============ */
  /* les cartes d'offres en titre h2 (page des offres) se lisent comme les h3 ; les prix ne se coupent plus */
  .offer-card h2{ font-size:19.5px; margin-top:4px; }
  .offer-card h2 a{ color:inherit; text-decoration:none; }
  .offer-card h2 a:hover{ color:var(--navy); }
  .offer-price{ flex-wrap:wrap; row-gap:6px; }
  .offer-essai{ margin:8px 0 0; font-size:13px; line-height:1.45; color:var(--ink-soft, var(--ink-faint)); }
  .offer-essai b{ color:var(--navy); font-weight:600; }
  .prix-ligne.essai b{ font-size:20px; }
  .offer-price .setup, .offer-price .sub{ white-space:nowrap; }
  /* calculateur : le libellé garde sa largeur, le chiffre passe dessous s'il manque de place */
  .calc-ligne{ flex-wrap:wrap; row-gap:2px; }
  .calc-ligne span{ flex:1 1 170px; }
  .calc-ligne b{ margin-left:auto; }
  /* la barre de contact du téléphone (cachée sur ordinateur) */
  .barre-mobile{ display:none; }
  /* grands écrans : un peu plus de largeur utile */
  @media (min-width: 1440px){ :root{ --maxw:1200px; } }

  @media (max-width: 760px){
    /* 16 px dans les champs : en dessous, l'iPhone zoome dès qu'on tape */
    .field input, .field select, .field textarea, .demo-ent input{ font-size:16px; }
    /* zones tactiles d'au moins 44 px */
    .pied-grille ul{ gap:0; }
    .pied-grille li a{ display:inline-block; padding:11px 0; }
    .pied-grille p a{ display:inline-block; padding:9px 0; }
    .offer-card .offer-lien, .lien-fleche{ display:inline-flex; align-items:center; min-height:44px; }
    .fil a{ display:inline-block; padding:8px 0; }
    .pied-bas a{ display:inline-block; padding:10px 0; }
    .exemple-t{ font-size:12.5px; }
    .contact-fact a{ display:inline-block; padding:12px 0; margin:-12px 0; }
    .prix-bloc .eyebrow{ font-size:12.5px; }
    /* la barre du bas : appeler ou demander le diagnostic, toujours à portée du pouce */
    .barre-mobile{ display:flex; gap:10px; position:fixed; left:0; right:0; bottom:0; z-index:45;
      padding:10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
      background:color-mix(in srgb, var(--paper) 94%, transparent); backdrop-filter:blur(10px);
      border-top:1px solid var(--line); box-shadow:0 -10px 26px -20px rgba(16,32,58,.55);
      transition:transform .25s ease; }
    .barre-mobile.cachee{ transform:translateY(115%); }
    .barre-mobile .btn{ flex:1; justify-content:center; min-height:48px; font-size:15px; }
    .barre-mobile svg{ width:17px; height:17px; flex:none; }
    body{ padding-bottom:76px; }
  }
  @media (max-width: 560px){
    /* le schéma décoratif de l'accueil laisse la place au contenu sur petit écran */
    .hero .schematic-frame{ display:none; }
    .hero-inner{ padding-bottom:40px; }
  }
  @media (prefers-reduced-motion: reduce){ .barre-mobile{ transition:none; } }

  /* ================================================================
     LES QUATRE OFFRES SUR LES PAGES MÉTIER (29/09/2026)
     ================================================================ */
  .prix-liste{ list-style:none; margin:12px 0 0; padding:0; }
  .prix-liste li + li{ border-top:1px solid rgba(217,183,126,.18); }
  .prix-liste a{ display:grid; gap:3px; padding:10px 0; color:var(--on-navy); text-decoration:none; font-size:14.5px; line-height:1.35; }
  .prix-liste a:hover span, .prix-liste a:focus-visible span{ color:var(--gold-on-navy); }
  .prix-liste b{ font-family:"IBM Plex Mono", monospace; font-weight:500; font-size:12.5px; color:var(--gold-on-navy); white-space:nowrap; }
  .prose .offre-eyebrow{ margin:64px 0 0; padding-top:30px; border-top:1px solid var(--line); scroll-margin-top:96px; }
  .prose .offre-eyebrow:first-child{ margin-top:0; padding-top:0; border-top:0; }
  .prose .offre-h2{ margin-top:10px; }
  .prose .offre-prix{ margin-top:18px; }
  .demo-ligne{ max-width:420px; margin:14px 0 8px; }
  /* le libellé en gras d'une bulle « nous » (fond bleu nuit) garde la couleur de la bulle */
  .prose .exemple .sms.nous b, .exemple .sms.nous b{ color:inherit; }

  /* ================================================================
     LES GUIDES PRATIQUES (29/09/2026)
     ================================================================ */
  .prose .en-bref{ margin-top:0; }
  .prose .en-bref ul{ margin:8px 0 0; }
  .modele{ background:var(--surface); border:1px dashed var(--line); border-radius:var(--radius); padding:16px 20px; margin:14px 0; }
  .prose .modele p{ margin:0; font-size:16px; line-height:1.6; color:var(--ink); }
  .prose .modele .modele-t{ font-family:"IBM Plex Mono", monospace; font-size:11.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-faint); margin:0 0 8px; }
  .auteur{ margin-top:44px; padding-top:20px; border-top:1px solid var(--line); }
  .prose .auteur p{ font-size:14.5px; margin:0; }
  .prose .offre-guide{ font-size:15px; margin-top:-4px; }
  /* l'exemple de facture du guide plombier (13/10/2026) : le tableau défile seul sur téléphone */
  .prose .facture{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:18px 20px; margin:16px 0 20px; }
  .prose .facture-tete{ display:flex; flex-wrap:wrap; justify-content:space-between; gap:12px 32px; }
  .prose .facture-tete p{ margin:0; font-size:14.5px; line-height:1.55; }
  .prose .facture-defile{ overflow-x:auto; margin:14px 0 8px; }
  .prose .facture table{ width:100%; min-width:460px; border-collapse:collapse; font-size:14.5px; }
  .prose .facture th{ text-align:left; font-weight:600; padding:6px 8px; border-bottom:2px solid var(--ink); }
  .prose .facture td{ padding:6px 8px; border-bottom:1px solid var(--line); vertical-align:top; }
  .prose .facture th:not(:first-child), .prose .facture td:not(:first-child){ text-align:right; white-space:nowrap; font-variant-numeric:tabular-nums; }
  .prose .facture tfoot td{ border-bottom:0; }
  .prose .facture tfoot td[colspan]{ text-align:right; }
  .prose .facture-pied{ margin:6px 0 0; font-size:14px; color:var(--ink-faint); }

  /* ================================================================
     LE CALCULATEUR DES QUATRE OFFRES (29/09/2026)
     Sans JavaScript, les quatre panneaux s'affichent l'un sous l'autre et les onglets restent cachés.
     ================================================================ */
  .calc-onglets{ display:none; flex-wrap:wrap; gap:8px; margin:0 0 20px; }
  .js .calc-onglets{ display:flex; }
  .calc-onglets button{ display:inline-flex; align-items:baseline; gap:8px; padding:10px 15px; cursor:pointer;
    font:600 14.5px "Public Sans", sans-serif; color:var(--ink); background:var(--surface);
    border:1px solid var(--line); border-radius:var(--radius); }
  .calc-onglets button .num{ font-family:"IBM Plex Mono", monospace; font-size:12px; font-weight:500; color:var(--ink-faint); }
  .calc-onglets button:hover{ border-color:var(--gold); }
  .calc-onglets button[aria-selected="true"]{ background:var(--navy); border-color:var(--navy); color:var(--on-navy); }
  .calc-onglets button[aria-selected="true"] .num{ color:var(--gold-on-navy); }
  .calc-onglets button:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; }
  .calc-panneau + .calc-panneau{ margin-top:48px; }
  .js .calc-panneau + .calc-panneau{ margin-top:0; }
  .calc-panneau[hidden]{ display:none; }
  .calc-titre{ font-size:clamp(20px, 2.3vw, 25px); line-height:1.3; margin:0 0 16px; }
  .calc-lien{ color:var(--gold-on-navy); font-size:14.5px; font-weight:600; text-decoration:none; }
  .calc-lien:hover, .calc-lien:focus-visible{ text-decoration:underline; text-underline-offset:3px; }
  @media (max-width: 560px){
    .js .calc-onglets{ display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); }
    .calc-onglets button{ justify-content:flex-start; text-align:left; line-height:1.3; }
  }

  /* ============ AUTOMATISATION SUR MESURE (07/10/2026) ============ */
  /* les cartes d'exemple de l'accueil et de « Mon IA sur mesure » : l'allure d'une carte-lien, sans être un lien */
  .carte-simple{ display:flex; flex-direction:column; gap:8px; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:20px; color:var(--ink); }
  .carte-simple .ico{ width:40px; height:40px; border-radius:10px; background:var(--gold-tint); color:var(--gold-strong); display:grid; place-items:center; }
  .carte-simple .ico svg{ width:24px; height:24px; }
  .carte-simple b{ font-family:"Fraunces", Georgia, serif; font-size:18px; font-weight:600; line-height:1.25; }
  .carte-simple span{ font-size:14.2px; color:var(--ink-soft); line-height:1.5; }
  .carte-simple.demande span{ font-family:"Fraunces", Georgia, serif; font-style:italic; font-size:17px; color:var(--ink); line-height:1.45; }
  .aide-liste{ margin:8px 0 18px; padding-left:18px; }
  .aide-liste li{ margin:4px 0; }