/* Arsia Studio · formulaires (devis, questionnaire de marque). Même DA que l'accueil : papier, encre, ombres franches. */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
:root{
  --paper:#FFF8EF; --paper-alt:#FFEFDD;
  --ink:#141110; --ink-dim:#5B5450;
  --orange:#D9542B; --orange-deep:#A83A1C;
  --yellow:#F2B705; --teal:#0F766E; --teal-light:#CFEFE9;
  --line-soft:rgba(20,17,16,0.16);
  --serif:'Fraunces','Cormorant Garamond',Georgia,serif;
  --sans:'Inter',system-ui,sans-serif;
  /* anciens noms encore utilisés dans le contenu généré du devis */
  --terra:#D9542B; --terra-dk:#A83A1C; --muted:#5B5450; --border:rgba(20,17,16,0.16);
}
html{ scroll-behavior:smooth; }
body{ background:var(--paper); color:var(--ink); font-family:var(--sans); font-size:1rem; line-height:1.65; -webkit-font-smoothing:antialiased; }
a{ color:inherit; }
[hidden]{ display:none !important; }
:focus-visible{ outline:3px solid var(--ink); outline-offset:2px; }

/* Navigation */
nav{ position:sticky; top:0; z-index:50; display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:0.9rem 1.6rem; background:rgba(255,248,239,0.94); backdrop-filter:blur(8px); border-bottom:2.5px solid var(--ink); }
.nav-logo{ display:flex; align-items:center; gap:0.6rem; text-decoration:none; color:var(--ink); }
.nav-logo img{ height:44px; width:auto; display:block; }
.nav-logo .logo-tag{ font-size:0.62rem; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; color:var(--ink-dim); white-space:nowrap; }
.nav-back{ font-size:0.7rem; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; text-decoration:none; color:var(--ink); border:2.5px solid var(--ink); padding:0.55rem 1rem; background:var(--paper); box-shadow:4px 4px 0 var(--ink); transition:transform .15s ease, box-shadow .15s ease; white-space:nowrap; }
.nav-back:hover{ transform:translate(2px,2px); box-shadow:2px 2px 0 var(--ink); }

.progress-wrap{ height:6px; background:var(--paper-alt); border-bottom:2.5px solid var(--ink); }
.progress-fill{ height:100%; background:var(--orange); transition:width .4s ease; }

/* En-tête */
.hero{ max-width:1120px; margin:0 auto; padding:3.6rem 1.6rem 2.2rem; }
.hero-tag{ font-size:0.72rem; font-weight:700; letter-spacing:0.24em; text-transform:uppercase; color:var(--orange-deep); margin-bottom:1rem; }
.hero h1{ font-family:var(--serif); font-weight:700; font-size:clamp(2.2rem,5.6vw,4rem); line-height:1.04; letter-spacing:-0.01em; max-width:18ch; }
.hero h1 em{ font-style:italic; color:var(--orange-deep); }
.hero > p{ margin-top:1.2rem; max-width:56ch; color:var(--ink-dim); font-size:1.02rem; }
.hero-meta{ display:flex; flex-wrap:wrap; gap:0.6rem; margin-top:1.4rem; }
.hero-meta span{ font-size:0.7rem; font-weight:800; letter-spacing:0.06em; text-transform:uppercase; border:2.5px solid var(--ink); padding:0.35rem 0.7rem; background:var(--yellow); }
.hero-meta span:nth-child(2){ background:var(--teal-light); }
.hero-meta span:nth-child(3){ background:var(--paper); }

/* Étapes */
.steps-bar{ max-width:1120px; margin:0 auto; padding:0 1.6rem 1.4rem; display:flex; align-items:center; gap:0.6rem; overflow-x:auto; }
.step-item{ display:flex; align-items:center; gap:0.55rem; white-space:nowrap; font-size:0.7rem; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; color:var(--ink-dim); }
.step-num{ width:30px; height:30px; flex:0 0 30px; display:flex; align-items:center; justify-content:center; border:2.5px solid var(--ink); font-family:var(--serif); font-weight:700; font-size:0.9rem; background:var(--paper); color:var(--ink); }
.step-item.active{ color:var(--ink); }
.step-item.active .step-num{ background:var(--orange); box-shadow:3px 3px 0 var(--ink); }
.step-item.done .step-num{ background:var(--ink); color:var(--paper); }
.step-sep{ flex:1 0 18px; min-width:18px; height:2.5px; background:var(--ink); opacity:0.22; }

/* Contenu */
.main{ max-width:880px; margin:0 auto; padding:1.4rem 1.6rem 6rem; }
.step-panel{ display:none; }
.step-panel.active{ display:block; animation:sfIn .35s ease; }
@keyframes sfIn{ from{ opacity:0; transform:translateY(8px); } to{ opacity:1; transform:none; } }
.panel-kicker{ font-size:0.72rem; font-weight:700; letter-spacing:0.24em; text-transform:uppercase; color:var(--orange-deep); margin-bottom:0.7rem; }
.panel-title{ font-family:var(--serif); font-weight:700; font-size:clamp(1.7rem,3.6vw,2.4rem); line-height:1.1; margin-bottom:0.6rem; }
.panel-title em{ font-style:italic; color:var(--orange-deep); }
.panel-sub{ color:var(--ink-dim); margin-bottom:2rem; max-width:60ch; }

.form-group{ margin-bottom:2rem; }
.form-label{ display:block; font-size:0.74rem; font-weight:800; letter-spacing:0.08em; text-transform:uppercase; margin-bottom:0.7rem; color:var(--ink); }
.form-label .q-num{ color:var(--orange-deep); margin-right:0.5rem; }
.form-hint{ display:block; font-size:0.86rem; color:var(--ink-dim); margin:-0.35rem 0 0.8rem; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:1rem 1.2rem; }
.form-input, .form-textarea, select.form-input{ width:100%; background:var(--paper); color:var(--ink); border:2.5px solid var(--ink); padding:0.85rem 0.95rem; font:inherit; font-size:1rem; border-radius:0; }
.form-textarea{ min-height:110px; resize:vertical; }
.form-input:focus, .form-textarea:focus{ outline:none; box-shadow:4px 4px 0 var(--orange); }
::placeholder{ color:#8B827C; }

/* Cartes de choix (un seul) */
.choices{ display:grid; grid-template-columns:repeat(3,1fr); gap:0.9rem; margin-bottom:1.8rem; counter-reset:ch; }
.choice-card{ counter-increment:ch; border:2.5px solid var(--ink); background:var(--paper); padding:1rem 1.05rem 1.15rem; cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease; }
.choice-card::before{ content:counter(ch, decimal-leading-zero); display:block; font-family:var(--serif); font-weight:700; font-size:0.85rem; margin-bottom:0.55rem; color:var(--orange-deep); }
.choice-card:hover{ transform:translate(-2px,-2px); box-shadow:4px 4px 0 var(--ink); }
.choice-card.selected{ background:var(--orange); transform:translate(-2px,-2px); box-shadow:4px 4px 0 var(--ink); }
.choice-card.selected::before{ color:var(--ink); }
.choice-icon{ display:none; }
.choice-label{ font-weight:700; font-size:0.95rem; line-height:1.3; margin-bottom:0.3rem; }
.choice-desc{ font-size:0.82rem; color:var(--ink-dim); line-height:1.45; }
.choice-card.selected .choice-desc{ color:var(--ink); }

/* Cases (plusieurs) */
.checkbox-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(200px,1fr)); gap:0.7rem; }
.checkbox-item{ display:flex; align-items:center; gap:0.7rem; border:2.5px solid var(--ink); background:var(--paper); padding:0.75rem 0.9rem; cursor:pointer; font-size:0.92rem; font-weight:500; line-height:1.35; transition:transform .15s ease, box-shadow .15s ease, background .15s ease; user-select:none; }
.checkbox-item:hover{ transform:translate(-2px,-2px); box-shadow:3px 3px 0 var(--ink); }
.cb-box{ flex:0 0 20px; height:20px; border:2.5px solid var(--ink); display:flex; align-items:center; justify-content:center; font-size:0.72rem; font-weight:800; color:transparent; background:var(--paper); }
.checkbox-item.selected{ background:var(--yellow); transform:translate(-2px,-2px); box-shadow:3px 3px 0 var(--ink); }
.checkbox-item.selected .cb-box{ background:var(--ink); color:var(--paper); }
.checkbox-item.is-locked{ opacity:0.45; cursor:not-allowed; }

/* Boutons radio (un seul, avec description) */
.radio-group{ display:grid; gap:0.7rem; }
.radio-group.cols-2{ grid-template-columns:1fr 1fr; }
.radio-item{ display:flex; align-items:flex-start; gap:0.8rem; border:2.5px solid var(--ink); background:var(--paper); padding:0.85rem 1rem; cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease; }
.radio-item:hover{ transform:translate(-2px,-2px); box-shadow:3px 3px 0 var(--ink); }
.radio-dot{ flex:0 0 20px; height:20px; border:2.5px solid var(--ink); border-radius:50%; margin-top:2px; background:var(--paper); position:relative; }
.radio-item.selected{ background:var(--teal-light); transform:translate(-2px,-2px); box-shadow:3px 3px 0 var(--ink); }
.radio-item.selected .radio-dot::after{ content:''; position:absolute; inset:3px; border-radius:50%; background:var(--ink); }
.radio-label{ font-weight:700; font-size:0.95rem; }
.radio-desc{ font-size:0.84rem; color:var(--ink-dim); margin-top:0.15rem; }

/* Univers visuels (aplats de couleur) */
.mood-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:0.8rem; }
.mood{ border:2.5px solid var(--ink); cursor:pointer; background:var(--paper); transition:transform .15s ease, box-shadow .15s ease; }
.mood:hover{ transform:translate(-2px,-2px); box-shadow:4px 4px 0 var(--ink); }
.mood-swatch{ height:58px; display:flex; border-bottom:2.5px solid var(--ink); }
.mood-swatch i{ flex:1; }
.mood-name{ padding:0.6rem 0.75rem; font-weight:700; font-size:0.88rem; display:flex; justify-content:space-between; align-items:center; gap:0.5rem; }
.mood-name::after{ content:''; width:16px; height:16px; border:2.5px solid var(--ink); flex:0 0 16px; }
.mood.selected{ transform:translate(-2px,-2px); box-shadow:4px 4px 0 var(--ink); background:var(--yellow); }
.mood.selected .mood-name::after{ background:var(--ink); }

/* Navigation entre étapes et boutons */
.panel-nav{ display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; margin-top:2.4rem; padding-top:1.6rem; border-top:2.5px solid var(--ink); }
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:0.6rem; min-height:50px; padding:0 1.6rem; font:inherit; font-size:0.78rem; font-weight:700; letter-spacing:0.08em; text-transform:uppercase; text-decoration:none; cursor:pointer; border:2.5px solid var(--ink); color:var(--ink); transition:transform .15s ease, box-shadow .15s ease, background .15s ease; }
.btn-primary, .btn-success{ background:var(--orange); box-shadow:5px 5px 0 var(--ink); }
.btn-primary:hover, .btn-success:hover{ transform:translate(2px,2px); box-shadow:3px 3px 0 var(--ink); }
.btn-primary:active, .btn-success:active{ transform:translate(5px,5px); box-shadow:none; }
.btn-primary:disabled, .btn-success:disabled{ opacity:0.4; cursor:not-allowed; transform:none; box-shadow:5px 5px 0 var(--ink); }
.btn-ghost{ background:var(--paper); }
.btn-ghost:hover{ background:var(--paper-alt); }
.form-error{ color:var(--orange-deep); font-weight:700; font-size:0.88rem; margin-top:0.8rem; min-height:1.2em; }

.highlight-box{ border:2.5px solid var(--ink); background:var(--yellow); padding:1.2rem 1.3rem; margin:1.6rem 0; font-size:0.92rem; line-height:1.6; box-shadow:5px 5px 0 var(--ink); }
.highlight-box strong{ display:block; font-family:var(--serif); font-size:1.1rem; margin-bottom:0.3rem; }
.note{ font-size:0.84rem; color:var(--ink-dim); margin-top:1rem; }

/* Résultat du devis (généré) */
.devis-result{ border:2.5px solid var(--ink); background:var(--paper); box-shadow:6px 6px 0 var(--ink); margin-bottom:1.6rem; }
.devis-header{ display:flex; justify-content:space-between; align-items:center; gap:1rem; padding:1.4rem 1.5rem; background:var(--ink); color:var(--paper); }
.devis-header h2{ font-family:var(--serif); font-weight:700; font-size:1.5rem; }
.devis-header p{ color:rgba(255,248,239,0.72); font-size:0.82rem; margin-top:0.2rem; }
.devis-badge{ background:var(--orange); color:var(--ink); border:2.5px solid var(--paper); padding:0.4rem 0.8rem; font-size:0.7rem; font-weight:800; letter-spacing:0.08em; text-transform:uppercase; white-space:nowrap; }
.devis-body{ padding:0.4rem 1.5rem 1rem; }
.devis-section{ padding:1rem 0; border-bottom:2px dashed var(--line-soft); }
.devis-section:last-child{ border-bottom:0; }
.devis-section-title{ font-size:0.7rem; font-weight:800; letter-spacing:0.14em; text-transform:uppercase; color:var(--orange-deep); margin-bottom:0.6rem; }
.devis-line{ display:flex; justify-content:space-between; gap:1rem; padding:0.5rem 0; }
.devis-line-label{ font-size:0.92rem; font-weight:600; }
.devis-line-label small{ display:block; font-weight:400; color:var(--ink-dim); font-size:0.84rem; margin-top:0.1rem; }
.devis-line-val{ font-family:var(--serif); font-weight:700; color:var(--orange-deep); white-space:nowrap; }
.devis-total{ display:flex; justify-content:space-between; align-items:center; gap:1rem; padding:1.3rem 1.5rem; background:var(--yellow); border-top:2.5px solid var(--ink); }
.devis-total-label{ font-size:0.72rem; font-weight:800; letter-spacing:0.1em; text-transform:uppercase; }
.devis-total-val{ font-family:var(--serif); font-weight:700; font-size:1.3rem; }
.devis-total-val small{ font-family:var(--sans); font-size:0.78rem; font-weight:500; margin-left:0.4rem; }
.premium-banner{ display:flex; gap:1rem; align-items:flex-start; border:2.5px solid var(--ink); background:var(--teal); color:var(--paper); padding:1.1rem 1.2rem; }
.premium-banner-icon{ display:none; }
.premium-banner h3{ font-family:var(--serif); font-size:1.15rem; margin-bottom:0.3rem; }
.premium-banner p{ font-size:0.9rem; color:rgba(255,248,239,0.88); }

/* Confirmation */
.success-screen{ text-align:center; border:2.5px solid var(--ink); background:var(--paper-alt); padding:3rem 1.6rem; box-shadow:6px 6px 0 var(--ink); }
.success-icon{ width:64px; height:64px; margin:0 auto 1.2rem; border:2.5px solid var(--ink); background:var(--orange); display:flex; align-items:center; justify-content:center; font-size:0; box-shadow:4px 4px 0 var(--ink); }
.success-icon::before{ content:'✓'; font-size:1.8rem; font-weight:800; color:var(--ink); }
.success-screen h2{ font-family:var(--serif); font-weight:700; font-size:clamp(1.6rem,4vw,2.1rem); margin-bottom:1rem; }
.success-screen h2 em{ font-style:italic; color:var(--orange-deep); }
.success-screen p{ color:var(--ink-dim); max-width:52ch; margin:0 auto 1.6rem; }

.offer-banner{ margin-top:1.2rem; display:inline-block; background:var(--orange); border:2.5px solid var(--ink); box-shadow:4px 4px 0 var(--ink); padding:0.6rem 0.9rem; font-size:0.86rem; }
.success-actions{ display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; }
.sf-foot{ border-top:2.5px solid var(--ink); padding:1.6rem; text-align:center; font-size:0.8rem; color:var(--ink-dim); }
.sf-foot a{ font-weight:700; text-decoration:none; }

@media (max-width:760px){
  nav{ padding:0.8rem 1.1rem; }
  .nav-logo .logo-tag{ display:none; }
  .hero{ padding-top:2.6rem; }
  .choices, .mood-grid{ grid-template-columns:1fr 1fr; }
  .form-row, .radio-group.cols-2{ grid-template-columns:1fr; }
  .step-item span{ display:none; }
  .step-item.active span{ display:inline; }
  .devis-header, .devis-total{ flex-direction:column; align-items:flex-start; }
  .panel-nav .btn{ flex:1 1 auto; }
}
@media (max-width:420px){ .choices{ grid-template-columns:1fr; } }
@media (prefers-reduced-motion:reduce){ html{ scroll-behavior:auto; } *{ animation:none !important; transition:none !important; } }