/* ============================================================================
   AI.DOM — aidom.biz · Design system du site vitrine
   Même ADN que le produit (tokens aidom-core) : gris slate neutres, UN accent,
   Fira Sans (texte) + Fira Code (chiffres). Sobre, calme, rien d'inutile.
   Clair par défaut ; sombre au choix de l'utilisateur (bouton, mémorisé).
   ========================================================================== */

/* ── Polices auto-hébergées (offline, aucune requête tierce) ─────────────── */
@font-face { font-family:'Fira Sans'; font-style:normal; font-weight:400; font-display:swap;
  src:url('/fonts/FiraSans-400-latin.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:'Fira Sans'; font-style:normal; font-weight:400; font-display:swap;
  src:url('/fonts/FiraSans-400-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family:'Fira Sans'; font-style:normal; font-weight:500; font-display:swap;
  src:url('/fonts/FiraSans-500-latin.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:'Fira Sans'; font-style:normal; font-weight:500; font-display:swap;
  src:url('/fonts/FiraSans-500-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family:'Fira Sans'; font-style:normal; font-weight:600; font-display:swap;
  src:url('/fonts/FiraSans-600-latin.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:'Fira Sans'; font-style:normal; font-weight:600; font-display:swap;
  src:url('/fonts/FiraSans-600-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family:'Fira Sans'; font-style:normal; font-weight:700; font-display:swap;
  src:url('/fonts/FiraSans-700-latin.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:'Fira Sans'; font-style:normal; font-weight:700; font-display:swap;
  src:url('/fonts/FiraSans-700-latin-ext.woff2') format('woff2');
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF; }
@font-face { font-family:'Fira Code'; font-style:normal; font-weight:500; font-display:swap;
  src:url('/fonts/FiraCode-500-latin.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:'Fira Code'; font-style:normal; font-weight:600; font-display:swap;
  src:url('/fonts/FiraCode-600-latin.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 (mêmes hex que le produit aidom-core) ───────────────────────── */
:root {
  --font-ui:'Fira Sans',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-mono:'Fira Code',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --bg:#F7F8FA; --surface:#FFFFFF; --muted:#F1F3F6; --hover:#EEF1F5; --sidebar:#FBFCFD;
  --text:#0F172A; --text-2:#5B6472; --text-3:#8A93A2; --inverse:#FFFFFF;
  --border:#E5E8EC; --border-2:#D7DCE3;
  --accent:#2563EB; --accent-light:#EAF0FE; --accent-strong:#1D4ED8;
  --success:#0E9F6E; --success-light:#E6F6F0;
  --warning:#B45309; --warning-light:#FBF1E6;

  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow-md:0 1px 3px rgba(16,24,40,.07),0 1px 2px rgba(16,24,40,.04);
  --shadow-lg:0 8px 24px rgba(16,24,40,.10);
  --ring:0 0 0 3px rgba(37,99,235,.28);

  --r-card:14px; --r-ctl:8px; --r-chip:999px;
  --w-content:1120px; --w-text:70ch;
}
/* Thème sombre : activé UNIQUEMENT par le bouton (data-theme="dark").
   Le site est volontairement clair par défaut, quel que soit l'appareil. */
:root[data-theme="dark"] {
  --bg:#0B0E14; --surface:#121722; --muted:#1A2130; --hover:#1F2635; --sidebar:#0F131C;
  --text:#E7EAF0; --text-2:#A4ACB9; --text-3:#6C7686; --inverse:#0B0E14;
  --border:#232A38; --border-2:#2E3648;
  --accent:#4C8DFF; --accent-light:#14233A; --accent-strong:#93B8FF;
  --success:#34D399; --success-light:#0C2A22;
  --warning:#FBBF24; --warning-light:#3A2A0A;
  --shadow-sm:0 1px 2px rgba(0,0,0,.35);
  --shadow-md:0 1px 3px rgba(0,0,0,.45);
  --shadow-lg:0 8px 24px rgba(0,0,0,.55);
  --ring:0 0 0 3px rgba(76,141,255,.40);
}

/* ── Base ────────────────────────────────────────────────────────────────── */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } *{ animation:none!important; transition:none!important; } }
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--font-ui); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
img,svg{ max-width:100%; height:auto; }
a{ color:var(--accent); text-decoration:none; }
a:hover{ text-decoration:underline; text-underline-offset:3px; }
:focus-visible{ outline:none; box-shadow:var(--ring); border-radius:4px; }
.num{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; }
.visually-hidden{ position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }
.skip-link{ position:absolute; left:-9999px; top:0; background:var(--accent); color:var(--inverse); padding:8px 14px; border-radius:0 0 8px 0; z-index:100; }
.skip-link:focus{ left:0; }

h1,h2,h3{ line-height:1.2; letter-spacing:-.015em; text-wrap:balance; margin:0 0 14px; }
h1{ font-size:clamp(30px,4.6vw,46px); font-weight:700; }
h2{ font-size:clamp(23px,3vw,31px); font-weight:700; }
h3{ font-size:18px; font-weight:650; }
p{ margin:0 0 14px; max-width:var(--w-text); }
.lead{ font-size:18px; color:var(--text-2); }

/* ── Structure ──────────────────────────────────────────────────────────── */
.wrap{ max-width:var(--w-content); margin:0 auto; padding:0 22px; }
section{ padding:72px 0; }
section.tight{ padding:48px 0; }
section.alt{ background:var(--surface); border-block:1px solid var(--border); }
.eyebrow{
  display:inline-block; font-size:12.5px; font-weight:650; letter-spacing:.07em;
  text-transform:uppercase; color:var(--accent); margin-bottom:10px;
}
.section-head{ max-width:760px; margin-bottom:36px; }
.section-head p{ color:var(--text-2); }

/* ── Header ─────────────────────────────────────────────────────────────── */
.topbar{
  position:sticky; top:0; z-index:50;
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.topbar .wrap{ display:flex; align-items:center; gap:26px; height:62px; }
.brand{ display:flex; align-items:center; gap:10px; color:var(--text); font-weight:700; font-size:17px; letter-spacing:-.01em; }
.brand:hover{ text-decoration:none; }
.brand img{ width:28px; height:28px; }
.brand .dot{ color:var(--accent); }
.nav{ display:flex; gap:4px; margin-left:auto; align-items:center; }
.nav a{
  color:var(--text-2); font-size:14.5px; font-weight:550; padding:8px 12px;
  border-radius:var(--r-ctl);
}
.nav a:hover{ color:var(--text); background:var(--hover); text-decoration:none; }
.nav a[aria-current="page"]{ color:var(--accent); background:var(--accent-light); }
.nav .btn{ margin-left:8px; }
.nav-toggle{ display:none; margin-left:auto; background:none; border:1px solid var(--border); border-radius:8px; padding:7px 9px; color:var(--text); cursor:pointer; }
@media (max-width:840px){
  .nav{ display:none; position:absolute; top:62px; left:0; right:0; flex-direction:column; align-items:stretch;
    background:var(--surface); border-bottom:1px solid var(--border); padding:10px 16px 16px; gap:2px; box-shadow:var(--shadow-lg); }
  .nav.open{ display:flex; }
  .nav .btn{ margin:10px 0 0; }
  .nav-toggle{ display:block; }
}

/* ── Boutons ────────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  height:44px; padding:0 20px; border-radius:10px; border:1px solid transparent;
  font-family:var(--font-ui); font-size:15px; font-weight:600; cursor:pointer;
  transition:filter .15s ease, background-color .15s ease, border-color .15s ease;
  white-space:nowrap;
}
.btn:hover{ text-decoration:none; }
.btn-primary{ background:var(--accent); color:#fff; }
.btn-primary:hover{ filter:brightness(1.07); }
.btn-secondary{ background:var(--surface); color:var(--text); border-color:var(--border-2); }
.btn-secondary:hover{ background:var(--hover); }
.btn.sm{ height:36px; padding:0 14px; font-size:14px; }
:root[data-theme="dark"] .btn-primary{ color:var(--inverse); }

/* ── Héros ──────────────────────────────────────────────────────────────── */
.hero{ padding:88px 0 64px; }
.hero .wrap{ display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr); gap:56px; align-items:center; }
.hero h1 .accent{ color:var(--accent); }
.hero .lead{ font-size:19px; margin-bottom:26px; }
.hero-ctas{ display:flex; gap:12px; flex-wrap:wrap; }
.hero-note{ margin-top:18px; font-size:13.5px; color:var(--text-3); }
@media (max-width:920px){ .hero .wrap{ grid-template-columns:1fr; gap:40px; } .hero{ padding:56px 0 40px; } }

/* Aperçu produit stylisé (pur CSS — pas de captures, pas de stock) */
.mock{
  background:var(--surface); border:1px solid var(--border); border-radius:16px;
  box-shadow:var(--shadow-lg); overflow:hidden; font-size:12.5px;
}
.mock-bar{ display:flex; align-items:center; gap:8px; padding:10px 14px; border-bottom:1px solid var(--border); background:var(--muted); }
.mock-bar i{ width:9px; height:9px; border-radius:50%; background:var(--border-2); display:block; }
.mock-bar span{ margin-left:6px; color:var(--text-3); font-size:11.5px; }
.mock-body{ display:grid; grid-template-columns:120px 1fr; min-height:250px; }
.mock-rail{ background:var(--sidebar); border-right:1px solid var(--border); padding:12px 8px; display:flex; flex-direction:column; gap:6px; }
.mock-rail i{ height:9px; border-radius:5px; background:var(--muted); display:block; }
.mock-rail i.on{ background:var(--accent-light); }
.mock-main{ padding:14px; }
.mock-row{ display:flex; justify-content:space-between; align-items:center; padding:8px 10px; border-bottom:1px solid var(--border); gap:8px; }
.mock-row:last-child{ border-bottom:none; }
.mock-row b{ font-weight:550; color:var(--text-2); font-size:12px; }
.mock-row .num{ font-size:12px; color:var(--text); }
.mock-pill{ font-size:10.5px; font-weight:650; padding:2px 8px; border-radius:999px; background:var(--success-light); color:var(--success); white-space:nowrap; }
.mock-pill.info{ background:var(--accent-light); color:var(--accent); }

/* ── Bandeau confiance ──────────────────────────────────────────────────── */
.trust{ border-block:1px solid var(--border); background:var(--surface); }
.trust .wrap{ display:flex; flex-wrap:wrap; gap:10px 34px; justify-content:center; padding-top:18px; padding-bottom:18px; }
.trust span{ display:inline-flex; align-items:center; gap:8px; font-size:13.5px; font-weight:550; color:var(--text-2); }
.trust svg{ width:16px; height:16px; color:var(--accent); flex-shrink:0; }

/* ── Cartes ─────────────────────────────────────────────────────────────── */
.grid{ display:grid; gap:18px; }
.grid.c3{ grid-template-columns:repeat(3,1fr); }
.grid.c2{ grid-template-columns:repeat(2,1fr); }
@media (max-width:920px){ .grid.c3{ grid-template-columns:1fr; } .grid.c2{ grid-template-columns:1fr; } }
.card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r-card);
  padding:26px; display:flex; flex-direction:column; gap:10px;
}
.card h3{ margin:0; }
.card p{ margin:0; color:var(--text-2); font-size:14.5px; }
.card .ic{
  width:38px; height:38px; border-radius:10px; background:var(--accent-light);
  display:grid; place-items:center; color:var(--accent); margin-bottom:4px;
}
.card .ic svg{ width:19px; height:19px; }
a.card{ color:inherit; transition:border-color .15s ease, box-shadow .15s ease; }
a.card:hover{ text-decoration:none; border-color:var(--accent); box-shadow:var(--shadow-md); }
.card .more{ margin-top:auto; padding-top:8px; color:var(--accent); font-size:14px; font-weight:600; }

/* ── Étapes (méthode) ───────────────────────────────────────────────────── */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; counter-reset:step; }
@media (max-width:920px){ .steps{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .steps{ grid-template-columns:1fr; } }
.step{ background:var(--surface); border:1px solid var(--border); border-radius:var(--r-card); padding:22px; }
.step::before{
  counter-increment:step; content:counter(step,decimal-leading-zero);
  font-family:var(--font-mono); font-size:13px; font-weight:600; color:var(--accent);
  display:block; margin-bottom:10px;
}
.step h3{ font-size:16px; margin-bottom:6px; }
.step p{ margin:0; font-size:14px; color:var(--text-2); }

/* ── Cas d'usage ────────────────────────────────────────────────────────── */
.case{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--r-card);
  padding:28px; display:flex; flex-direction:column; gap:14px;
}
.case-sector{ font-size:12.5px; font-weight:650; letter-spacing:.05em; text-transform:uppercase; color:var(--text-3); }
.case h3{ margin:0; font-size:19px; }
.case dl{ margin:0; display:flex; flex-direction:column; gap:10px; }
.case dt{ font-size:12.5px; font-weight:650; letter-spacing:.05em; text-transform:uppercase; color:var(--accent); }
.case dd{ margin:2px 0 0; font-size:14.5px; color:var(--text-2); }
.case .tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:auto; padding-top:6px; }
.case .tag{ font-size:12px; font-weight:550; padding:3px 10px; border-radius:var(--r-chip); background:var(--muted); color:var(--text-2); border:1px solid var(--border); }

/* ── Calculateur ────────────────────────────────────────────────────────── */
.calc{ background:var(--surface); border:1px solid var(--border); border-radius:var(--r-card); padding:30px; }
.calc-grid{ display:grid; grid-template-columns:1fr 1fr auto; gap:16px; align-items:end; }
@media (max-width:760px){ .calc-grid{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:13.5px; font-weight:600; color:var(--text-2); }
.field input,.field select,.field textarea{
  height:44px; padding:0 13px; font-size:15px; font-family:var(--font-ui);
  color:var(--text); background:var(--bg); border:1px solid var(--border-2); border-radius:10px;
}
.field textarea{ height:auto; padding:11px 13px; resize:vertical; min-height:120px; }
.field input:focus,.field select:focus,.field textarea:focus{ outline:none; border-color:var(--accent); box-shadow:var(--ring); }
.calc-result{ margin-top:22px; padding-top:20px; border-top:1px dashed var(--border-2); display:none; }
.calc-result.show{ display:block; }
.calc-result .big{ font-family:var(--font-mono); font-size:clamp(26px,4vw,38px); font-weight:600; color:var(--accent); }
.calc-note{ font-size:12.5px; color:var(--text-3); margin-top:8px; }

/* ── Formulaire contact ─────────────────────────────────────────────────── */
.form{ display:flex; flex-direction:column; gap:16px; max-width:560px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:560px){ .form-row{ grid-template-columns:1fr; } }
.form-msg{ padding:12px 14px; border-radius:10px; font-size:14.5px; display:none; }
.form-msg.ok{ display:block; background:var(--success-light); color:var(--success); }
.form-msg.err{ display:block; background:var(--warning-light); color:var(--warning); }
.hp{ position:absolute; left:-9999px; opacity:0; height:0; overflow:hidden; }

/* ── Bandeau final CTA ──────────────────────────────────────────────────── */
.cta-final{ text-align:center; }
.cta-final .wrap{ max-width:720px; }
.cta-final p{ margin-inline:auto; }

/* ── Pied de page ───────────────────────────────────────────────────────── */
footer{ border-top:1px solid var(--border); background:var(--surface); padding:40px 0 28px; margin-top:40px; }
.foot{ display:flex; flex-wrap:wrap; gap:24px 48px; justify-content:space-between; align-items:flex-start; }
.foot-brand{ display:flex; flex-direction:column; gap:8px; max-width:320px; }
.foot-brand .brand{ font-size:16px; }
.foot-brand p{ font-size:13.5px; color:var(--text-3); margin:0; }
.foot nav{ display:flex; gap:26px; flex-wrap:wrap; }
.foot nav a{ font-size:14px; color:var(--text-2); }
.foot nav a:hover{ color:var(--text); }
.foot-legal{ margin-top:26px; padding-top:16px; border-top:1px solid var(--border); font-size:12.5px; color:var(--text-3); display:flex; gap:18px; flex-wrap:wrap; }
.foot-legal a{ color:var(--text-3); }

/* ── Page interne (mentions, etc.) ──────────────────────────────────────── */
.prose h2{ margin-top:36px; font-size:22px; }
.prose h3{ margin-top:24px; }
.prose{ color:var(--text-2); }
.prose strong{ color:var(--text); }

/* ── Révélations au scroll (discrètes) ──────────────────────────────────── */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .5s ease, transform .5s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1; transform:none; } }

/* ── Wordmark : « AI.DOM » doit se lire d'un seul bloc ──────────────────── */
/* Le glyphe « . » de Fira Sans a de larges marges latérales : on les compense
   négativement, sinon le mot se lit « AI . DOM ». */
.brand .wordmark{ letter-spacing:-.02em; white-space:nowrap; }
.brand .dot{ color:var(--accent); }

/* ── Bouton de thème : une seule icône, sans cadre ──────────────────────── */
/*  clair → lune (« passer en sombre ») · sombre → soleil (« repasser en clair ») */
.theme-toggle{
  display:inline-flex; align-items:center; justify-content:center;
  width:34px; height:34px; flex-shrink:0; margin-left:4px; padding:0;
  background:none; border:none; border-radius:var(--r-ctl);
  color:var(--text-3); cursor:pointer;
  transition:color .15s ease, background-color .15s ease;
}
.theme-toggle:hover{ color:var(--text); background:var(--hover); }
.theme-toggle svg{ width:18px; height:18px; display:block; }
.theme-toggle .i-sun{ display:none; }
:root[data-theme="dark"] .theme-toggle .i-moon{ display:none; }
:root[data-theme="dark"] .theme-toggle .i-sun{ display:block; }
@media (max-width:840px){
  /* hors du menu déroulant : accessible en permanence à côté du burger */
  .theme-toggle{ margin-left:auto; order:-1; }
  .nav-toggle{ margin-left:8px; }
}