/* ---------- Tokens ---------- */
:root{
  --bg:#F1ECE1;
  --bg-alt:#E8E1D2;
  --card-bg:#FBF8F1;
  --ink:#20261F;
  --ink-soft:#4B5147;
  --accent:#2F5D50;
  --accent-strong:#1F433A;
  --accent-contrast:#F1ECE1;
  --rust:#C1573A;
  --warn:#B87A22;
  --line:#B9A98C;
  --line-soft:#D8CFB9;
  --shadow: 0 1px 2px rgba(32,38,31,.06), 0 8px 24px -12px rgba(32,38,31,.18);
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#141C16;
    --bg-alt:#101710;
    --card-bg:#1B2620;
    --ink:#EDE6D6;
    --ink-soft:#AFA894;
    --accent:#79B39C;
    --accent-strong:#9BCAB6;
    --accent-contrast:#12201A;
    --rust:#E2825F;
    --warn:#E0A94E;
    --line:#3C4A3D;
    --line-soft:#293428;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 28px -12px rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"]{
  --bg:#141C16; --bg-alt:#101710; --card-bg:#1B2620; --ink:#EDE6D6; --ink-soft:#AFA894;
  --accent:#79B39C; --accent-strong:#9BCAB6; --accent-contrast:#12201A; --rust:#E2825F;
  --warn:#E0A94E; --line:#3C4A3D; --line-soft:#293428;
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 28px -12px rgba(0,0,0,.5);
}
:root[data-theme="light"]{
  --bg:#F1ECE1; --bg-alt:#E8E1D2; --card-bg:#FBF8F1; --ink:#20261F; --ink-soft:#4B5147;
  --accent:#2F5D50; --accent-strong:#1F433A; --accent-contrast:#F1ECE1; --rust:#C1573A;
  --warn:#B87A22; --line:#B9A98C; --line-soft:#D8CFB9;
  --shadow: 0 1px 2px rgba(32,38,31,.06), 0 8px 24px -12px rgba(32,38,31,.18);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:
    radial-gradient(circle at 1px 1px, var(--line-soft) 1px, transparent 0) 0 0/22px 22px,
    var(--bg);
  color:var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3{
  font-family: Georgia, "Iowan Old Style", "Palatino Linotype", serif;
  font-weight:700;
  letter-spacing:-0.01em;
  text-wrap:balance;
  margin:0;
  color:var(--ink);
}
.mono{
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Consolas", monospace;
}
.eyebrow{
  font-family: ui-monospace, "SF Mono", "Cascadia Code", "Consolas", monospace;
  text-transform:uppercase;
  letter-spacing:.12em;
  font-size:.72rem;
  color:var(--accent);
  display:flex;
  align-items:center;
  gap:.5em;
}
.eyebrow::before{
  content:"";
  width:1.4em;height:1px;background:var(--accent);display:inline-block;
}
p{color:var(--ink-soft); margin:0;}
a{color:inherit;}
img,svg{display:block;max-width:100%;}
button{font:inherit;}

/* ---------- Ledger frame ---------- */
.ledger{
  position:relative;
  max-width:1180px;
  margin:0 auto;
  padding:0 clamp(20px,5vw,64px);
}
.ledger::before{
  content:"";
  position:absolute;
  top:0; bottom:0;
  left:clamp(20px,5vw,64px);
  width:1px;
  background:var(--line);
  opacity:.55;
}
.ledger::after{
  content:"";
  position:absolute;
  top:0; bottom:0;
  left:calc(clamp(20px,5vw,64px) + 10px);
  width:1px;
  background:var(--rust);
  opacity:.28;
}
@media (max-width:640px){
  .ledger::before, .ledger::after{display:none;}
}

section{position:relative; padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-alt .ledger::before, .section-alt .ledger::after{opacity:.35;}

.container-inner{ padding-left:34px; }
@media (max-width:640px){ .container-inner{padding-left:0;} }

/* ---------- Header ---------- */
header{
  position:sticky; top:0; z-index:40;
  backdrop-filter:blur(10px);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom:1px solid var(--line-soft);
}
.nav-row{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 0;
}
.logo{
  display:flex; align-items:baseline; gap:2px;
  font-family:Georgia, serif; font-weight:700; font-size:1.35rem; letter-spacing:-.01em;
  text-decoration:none;
}
.logo .dot{ font-family: ui-monospace, monospace; color:var(--accent); font-weight:600; font-size:1.1rem;}
nav ul{ list-style:none; display:flex; gap:32px; margin:0; padding:0; }
nav a{ text-decoration:none; font-size:.92rem; color:var(--ink-soft); transition:color .15s;}
nav a:hover{ color:var(--ink); }
.nav-links{display:flex; align-items:center; gap:32px;}
@media (max-width:760px){ .nav-links ul{display:none;} }

.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding:.72em 1.3em;
  border-radius:3px;
  font-size:.92rem; font-weight:600;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:active{ transform:translateY(1px); }
.btn-primary{
  background:var(--accent); color:var(--accent-contrast);
  box-shadow:var(--shadow);
}
.btn-primary:hover{ background:var(--accent-strong); }
.btn-ghost{
  background:transparent; color:var(--ink); border-color:var(--line);
}
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent); }

/* ---------- Hero ---------- */
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
  padding-top:56px;
}
@media (max-width:900px){ .hero-grid{grid-template-columns:1fr; padding-top:24px;} }

h1.headline{ font-size:clamp(2.1rem, 4.6vw, 3.6rem); line-height:1.06; margin:18px 0 22px;}
h1.headline em{ font-style:italic; color:var(--accent); }
.lede{ font-size:1.1rem; max-width:46ch; margin-bottom:32px; }
.hero-ctas{ display:flex; gap:16px; flex-wrap:wrap; margin-bottom:36px;}
.hero-note{ font-size:.82rem; color:var(--ink-soft); }
.hero-note .mono{ color:var(--ink); }

/* ---------- Hero ticket mockup ---------- */
.ticket{
  background:var(--card-bg);
  border:1px solid var(--line-soft);
  border-radius:6px;
  box-shadow:var(--shadow);
  padding:26px 26px 22px;
  position:relative;
}
.ticket-perf{
  position:absolute; left:0; right:0; top:0; height:10px;
  background-image: radial-gradient(circle, var(--bg) 3.5px, transparent 3.6px);
  background-size:18px 18px;
  background-position:9px -5px;
}
.ticket-head{
  display:flex; justify-content:space-between; align-items:center;
  padding-top:8px; margin-bottom:18px;
  border-bottom:1px dashed var(--line);
  padding-bottom:14px;
}
.ticket-head .id{ font-size:.72rem; color:var(--ink-soft); }
.ticket-head .status{
  font-size:.7rem; text-transform:uppercase; letter-spacing:.06em;
  padding:.3em .7em; border-radius:99px; font-weight:600;
}
.status.ok{ background:color-mix(in srgb, var(--accent) 18%, transparent); color:var(--accent-strong); }
.status.low{ background:color-mix(in srgb, var(--warn) 22%, transparent); color:var(--warn); }
.status.auto{ background:color-mix(in srgb, var(--rust) 20%, transparent); color:var(--rust); }

.stock-row{ display:flex; justify-content:space-between; align-items:baseline; margin-bottom:10px;}
.stock-row .name{ font-size:.95rem; }
.stock-row .qty{ font-family:ui-monospace,monospace; font-variant-numeric:tabular-nums; font-size:1.6rem; font-weight:600;}
.stock-bar-track{ height:6px; border-radius:3px; background:var(--line-soft); overflow:hidden; margin-bottom:22px;}
.stock-bar-fill{ height:100%; background:var(--accent); width:78%; transition:width 1.1s cubic-bezier(.4,0,.2,1), background .4s;}
.ticket-log{ font-size:.78rem; color:var(--ink-soft); min-height:1.4em; }
.ticket-log .mono{ color:var(--ink); }

/* ---------- Advantages ---------- */
.adv-head{ max-width:56ch; margin-bottom:52px; }
.adv-head h2{ font-size:clamp(1.7rem,3vw,2.3rem); margin-top:14px; }
.adv-grid{
  display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
  background:var(--line-soft); border:1px solid var(--line-soft);
  border-radius:8px; overflow:hidden;
}
@media (max-width:920px){ .adv-grid{grid-template-columns:repeat(2,1fr);} }
@media (max-width:560px){ .adv-grid{grid-template-columns:1fr;} }
.adv-card{
  background:var(--card-bg); padding:30px 26px; display:flex; flex-direction:column; gap:14px;
}
.adv-card .icon{ width:30px; height:30px; color:var(--accent); }
.adv-card h3{ font-size:1.05rem; }
.adv-card p{ font-size:.9rem; }
.adv-card .tag{ font-size:.68rem; letter-spacing:.08em; color:var(--ink-soft); }

/* ---------- Process ---------- */
.process-head{ max-width:60ch; margin-bottom:48px; }
.process-head h2{ font-size:clamp(1.7rem,3vw,2.3rem); margin-top:14px; }
.process-track{
  display:grid; grid-template-columns:repeat(3,1fr); gap:26px;
  position:relative;
}
@media (max-width:900px){ .process-track{grid-template-columns:repeat(2,1fr);} }
@media (max-width:600px){ .process-track{grid-template-columns:1fr;} }

.step{
  background:var(--card-bg); border:1px solid var(--line-soft); border-radius:6px;
  padding:22px 22px 20px; position:relative;
}
.step::before{
  content:""; position:absolute; left:0; right:0; top:0; height:8px;
  background-image: radial-gradient(circle, var(--bg-alt) 3px, transparent 3.1px);
  background-size:16px 16px; background-position:8px -4px;
}
.step .step-id{ font-size:.72rem; color:var(--rust); margin-bottom:10px; display:block; padding-top:6px;}
.step h3{ font-size:1.02rem; margin-bottom:8px; }
.step p{ font-size:.88rem; }
.step .icon{ width:24px; height:24px; color:var(--accent); margin-bottom:12px;}
.step .step-more{
  display:inline-flex; align-items:center; gap:.4em; margin-top:14px;
  font-size:.82rem; font-weight:600; color:var(--accent); text-decoration:none;
}
.step .step-more:hover{ color:var(--accent-strong); }
.step a.step-card-link{ text-decoration:none; display:block; }

/* ---------- Promo highlight strip ---------- */
.promo-strip{
  margin-top:44px; display:flex; gap:20px; align-items:center;
  background:var(--card-bg); border:1px solid var(--line-soft); border-left:3px solid var(--rust);
  border-radius:6px; padding:20px 24px;
}
.promo-strip .icon{ width:28px; height:28px; color:var(--rust); flex-shrink:0;}
.promo-strip h3{ font-size:.98rem; margin-bottom:4px; }
.promo-strip p{ font-size:.86rem; }

/* ---------- CTA ---------- */
.cta-box{
  background:var(--accent); color:var(--accent-contrast);
  border-radius:10px; padding:56px clamp(24px,5vw,64px);
  display:grid; grid-template-columns:1.1fr .9fr; gap:40px; align-items:center;
}
@media (max-width:820px){ .cta-box{grid-template-columns:1fr;} }
.cta-box h2{ color:var(--accent-contrast); font-size:clamp(1.6rem,3vw,2.1rem); margin-bottom:12px;}
.cta-box p{ color:color-mix(in srgb, var(--accent-contrast) 78%, transparent); max-width:44ch; }
.cta-form{ display:flex; gap:10px; flex-wrap:wrap; }
.cta-form input[type="email"]{
  flex:1 1 220px; padding:.85em 1em; border-radius:4px; border:1px solid transparent;
  background:color-mix(in srgb, var(--accent-contrast) 92%, transparent);
  color:var(--accent-strong); font-size:.95rem;
}
.cta-form input::placeholder{ color:color-mix(in srgb, var(--accent-strong) 60%, transparent); }
.cta-form .btn-primary{ background:var(--accent-contrast); color:var(--accent-strong); }
.cta-form .btn-primary:hover{ background:color-mix(in srgb, var(--accent-contrast) 85%, transparent); }
.cta-confirm{ font-size:.85rem; margin-top:10px; color:color-mix(in srgb, var(--accent-contrast) 85%, transparent); display:none; }
.cta-confirm.show{ display:block; }

/* ---------- Footer ---------- */
footer{ padding:48px 0 60px; border-top:1px solid var(--line-soft); }
.foot-row{ display:flex; justify-content:space-between; flex-wrap:wrap; gap:20px; align-items:flex-start;}
.foot-links{ display:flex; gap:26px; list-style:none; padding:0; margin:0; }
.foot-links a{ text-decoration:none; font-size:.85rem; color:var(--ink-soft); }
.foot-links a:hover{ color:var(--ink); }
.foot-note{ font-size:.78rem; color:var(--ink-soft); margin-top:18px; }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(14px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  .stock-bar-fill{ transition:none; }
}

/* ---------- Comment ça marche : sous-pages d'étape ---------- */
.breadcrumb{
  display:flex; flex-wrap:wrap; align-items:center; gap:.5em;
  font-size:.8rem; color:var(--ink-soft); margin-bottom:22px;
}
.breadcrumb a{ text-decoration:none; color:var(--ink-soft); }
.breadcrumb a:hover{ color:var(--accent); }
.breadcrumb .sep{ color:var(--line); }
.breadcrumb .current{ color:var(--ink); }

.page-hero{ max-width:70ch; }
.page-hero .step-id-badge{
  display:inline-block; font-size:.75rem; color:var(--rust);
  border:1px solid var(--line-soft); border-radius:99px; padding:.35em 1em;
  margin-bottom:18px;
}
.page-hero h1{ font-size:clamp(1.9rem,4vw,2.8rem); line-height:1.1; margin:8px 0 18px; }
.page-hero .lede{ margin-bottom:0; }

.step-body{ max-width:72ch; margin-top:44px; display:flex; flex-direction:column; gap:22px; }
.step-body h2{ font-size:1.3rem; margin-top:10px; }
.step-body h3{ font-size:1.05rem; }
.step-body p{ font-size:.98rem; }
.step-body ul{ margin:0; padding-left:1.2em; color:var(--ink-soft); font-size:.98rem; display:flex; flex-direction:column; gap:8px;}
.step-body li::marker{ color:var(--rust); }

.visual-placeholder{
  border:1px dashed var(--line); border-radius:8px;
  background:var(--card-bg);
  padding:40px 24px; text-align:center;
  color:var(--ink-soft); font-size:.85rem;
  margin:8px 0;
}
.visual-placeholder .mono{ display:block; margin-top:6px; font-size:.75rem; opacity:.8;}

/* Accordéon natif <details>/<summary> (BC·04) */
.accordion-list{ display:flex; flex-direction:column; gap:12px; margin-top:32px; }
.accordion-item{
  background:var(--card-bg); border:1px solid var(--line-soft); border-radius:6px;
  overflow:hidden;
}
.accordion-item[open]{ border-color:var(--accent); }
.accordion-item summary{
  cursor:pointer; list-style:none; padding:18px 22px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  font-weight:600; font-size:1rem; color:var(--ink);
}
.accordion-item summary::-webkit-details-marker{ display:none; }
.accordion-item summary::after{
  content:"+"; font-size:1.3rem; color:var(--accent); flex-shrink:0;
  font-family: ui-monospace, monospace; font-weight:400;
}
.accordion-item[open] summary::after{ content:"−"; }
.accordion-item summary .pos-status{
  font-size:.68rem; text-transform:uppercase; letter-spacing:.06em;
  padding:.3em .7em; border-radius:99px; font-weight:600;
  background:color-mix(in srgb, var(--accent) 18%, transparent); color:var(--accent-strong);
  margin-right:auto; margin-left:14px;
}
.accordion-item summary .pos-status.tbd{
  background:color-mix(in srgb, var(--warn) 22%, transparent); color:var(--warn);
}
.accordion-body{ padding:0 22px 22px; font-size:.92rem; color:var(--ink-soft); }
.accordion-body ol{ padding-left:1.2em; display:flex; flex-direction:column; gap:8px; }
.accordion-body p{ margin-bottom:10px; }

.step-nav{
  margin-top:56px; padding-top:28px; border-top:1px solid var(--line-soft);
  display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap;
}
.step-nav a{ text-decoration:none; }
.step-nav .step-nav-link{
  display:flex; flex-direction:column; gap:4px; max-width:280px;
}
.step-nav .step-nav-link.next{ text-align:right; margin-left:auto; }
.step-nav .step-nav-label{ font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-soft); }
.step-nav .step-nav-title{ font-size:.98rem; font-weight:600; color:var(--ink); }
.step-nav .step-nav-link:hover .step-nav-title{ color:var(--accent); }

/* Mail type à copier-coller (BC·04) */
.email-template{
  position:relative; background:var(--bg-alt); border:1px solid var(--line-soft); border-radius:6px;
  padding:18px 20px; font-size:.82rem; color:var(--ink); line-height:1.55;
}
.email-template .email-meta{ color:var(--ink-soft); }
.email-template .email-body{ white-space:pre-wrap; display:block; margin-top:10px; font-family: ui-monospace, monospace; font-size:.8rem; }
.email-template-copy{ position:absolute; top:14px; right:14px; padding:.4em 1em; font-size:.78rem; }

/* Formulaire sécurisé de saisie des identifiants caisse */
.credential-form{ display:flex; flex-direction:column; gap:14px; max-width:480px; margin-top:8px; }
.credential-form label{ font-size:.82rem; font-weight:600; color:var(--ink); display:flex; flex-direction:column; gap:6px; }
.credential-form input{
  padding:.7em .9em; border-radius:4px; border:1px solid var(--line);
  background:var(--card-bg); color:var(--ink); font-size:.92rem; font-family:inherit;
}
.credential-form input:focus{ outline:2px solid var(--accent); outline-offset:1px; }
.credential-form .form-note{ font-size:.78rem; color:var(--ink-soft); }
.credential-form .form-confirm{ font-size:.85rem; margin-top:2px; display:none; }
.credential-form .form-confirm.show{ display:block; }
.credential-form .form-confirm.ok{ color:var(--accent-strong); }
.credential-form .form-confirm.error{ color:var(--rust); }

/* ---------- Page /demo ---------- */
.demo-section{ padding-top:64px; }
.demo-grid{
  display:grid; grid-template-columns:1fr 1fr; gap:64px; align-items:center;
}
@media (max-width:900px){ .demo-grid{grid-template-columns:1fr; gap:40px;} }

.demo-intro h1{ font-size:clamp(2rem,4.2vw,3rem); line-height:1.1; margin:16px 0 20px; }
.demo-intro h1 em{ font-style:italic; color:var(--accent); }
.demo-intro .lede{ font-size:1.05rem; max-width:48ch; margin-bottom:30px; }

.check-list{ display:flex; flex-direction:column; gap:16px; }
.check-item{ display:flex; align-items:flex-start; gap:14px; }
.check-item .check-icon{
  width:26px; height:26px; flex-shrink:0; border-radius:50%;
  background:color-mix(in srgb, var(--accent) 20%, transparent);
  color:var(--accent-strong); display:flex; align-items:center; justify-content:center;
  margin-top:1px;
}
.check-item .check-icon svg{ width:14px; height:14px; }
.check-item p{ font-size:.96rem; color:var(--ink); }

.demo-card{
  background:var(--accent-strong); color:var(--accent-contrast);
  border-radius:14px; padding:clamp(24px,4vw,44px); box-shadow:var(--shadow);
}
.demo-form{ display:flex; flex-direction:column; gap:14px; }
.demo-form-row{ display:grid; grid-template-columns:1fr 1fr; gap:14px; }
@media (max-width:520px){ .demo-form-row{ grid-template-columns:1fr; } }
.demo-form input, .demo-form select{
  width:100%; padding:.9em 1.3em; border-radius:999px; border:1px solid transparent;
  background:color-mix(in srgb, var(--accent-contrast) 94%, transparent);
  color:var(--accent-strong); font-size:.92rem; font-family:inherit;
}
.demo-form input::placeholder{ color:color-mix(in srgb, var(--accent-strong) 55%, transparent); }
.demo-form input:focus, .demo-form select:focus{ outline:2px solid var(--accent-contrast); outline-offset:1px; }
.demo-form .demo-consent{ font-size:.76rem; color:color-mix(in srgb, var(--accent-contrast) 75%, transparent); margin-top:2px; }
.demo-form .btn-primary{ background:var(--accent); color:var(--accent-contrast); justify-content:center; padding:.9em 1.3em; font-size:.96rem; }
.demo-form .btn-primary:hover{ background:color-mix(in srgb, var(--accent) 85%, transparent); }
.demo-form .form-confirm{ font-size:.88rem; margin-top:2px; display:none; text-align:center; }
.demo-form .form-confirm.show{ display:block; }
.demo-form .form-confirm.ok{ color:var(--accent-contrast); font-weight:600; }
.demo-form .form-confirm.error{ color:var(--rust); }