/*!
 * ARKAN Dimensionnement Form CSS — v0.2.0
 * Tenon Studio — porté depuis maquette_arkan_v1.html
 * Toutes les classes sont préfixées .ark-* pour éviter conflits avec le thème WP hôte
 */

:root{
  --ark-anthracite:#14171C; --ark-carbon:#1F232B; --ark-slate:#2E343D; --ark-graphite:#4A5159; --ark-fog:#8C939C;
  --ark-bone:#F2EFE7; --ark-ivory:#FAF8F2;
  --ark-bronze:#B47843; --ark-bronze-d:#8E5B2E; --ark-bronze-l:#D29768;
  --ark-sand:#D9C3A3; --ark-forest:#2E3D34; --ark-rust:#9C4A2A;
  --ark-success:#4E7A55; --ark-danger:#A93B26;
  --ark-fd:'Fraunces',Georgia,serif; --ark-fb:'Inter',-apple-system,system-ui,sans-serif; --ark-fm:'JetBrains Mono','Courier New',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--ark-ivory);color:var(--ark-anthracite);font-family:var(--ark-fb);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}
button{font:inherit;cursor:pointer;border:none;background:none}

/* TOPBAR */
.topbar{background:var(--ark-anthracite);color:var(--ark-bone);padding:14px 32px;display:flex;justify-content:space-between;align-items:center;letter-spacing:.04em;font-size:13px;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--ark-slate)}
.topbar .logo{font-family:var(--ark-fd);font-weight:400;font-style:italic;font-size:20px;letter-spacing:.02em}
.topbar .logo em{font-style:normal;color:var(--ark-bronze-l);font-weight:300;margin-left:4px}
.topbar .status{font-family:var(--ark-fm);font-size:10px;color:var(--ark-fog);letter-spacing:.15em;text-transform:uppercase}
.topbar .status.saved{color:var(--ark-success)}
.topbar .status::before{content:'●';margin-right:6px;color:var(--ark-bronze-l)}
.topbar .status.saved::before{color:var(--ark-success)}

/* PROGRESS */
.progress{background:var(--ark-carbon);padding:14px 32px;display:flex;align-items:center;gap:6px;overflow-x:auto;border-bottom:1px solid var(--ark-slate);position:sticky;top:51px;z-index:99}
.progress .meta{font-family:var(--ark-fm);font-size:10px;color:var(--ark-fog);letter-spacing:.15em;text-transform:uppercase;margin-right:16px;white-space:nowrap}
.progress .meta strong{color:var(--ark-bronze-l)}
.progress .dot{width:24px;height:24px;border-radius:50%;background:var(--ark-slate);color:var(--ark-fog);font-family:var(--ark-fm);font-size:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .25s ease;cursor:pointer}
.progress .dot.done{background:var(--ark-bronze);color:var(--ark-bone)}
.progress .dot.current{background:var(--ark-bone);color:var(--ark-anthracite);box-shadow:0 0 0 3px var(--ark-bronze)}
.progress .dot.bloc-a.done{background:var(--ark-anthracite);color:var(--ark-bronze-l)}
.progress .dot.bloc-b.done{background:var(--ark-rust);color:var(--ark-bone)}
.progress .dot.bloc-c.done{background:var(--ark-forest);color:var(--ark-bone)}
.progress .dot.bloc-d.done{background:var(--ark-bronze-d);color:var(--ark-bone)}

/* MAIN */
main{padding:48px 32px 140px;max-width:920px;margin:0 auto;min-height:calc(100vh - 120px)}
.screen{display:none;animation:fadeIn .35s ease}
.screen.active{display:block}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* SCREEN HEADER */
.s-head{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid rgba(20,23,28,.08)}
.s-kicker{font-family:var(--ark-fm);font-size:11px;letter-spacing:.25em;text-transform:uppercase;color:var(--ark-bronze);margin-bottom:10px}
.s-head h1{font-family:var(--ark-fd);font-weight:300;font-size:clamp(32px,4.5vw,52px);line-height:1.05;letter-spacing:-.02em;margin-bottom:12px}
.s-head h1 em{font-style:italic;color:var(--ark-bronze)}
.s-head p{color:var(--ark-graphite);font-size:16px;max-width:680px}

/* CARDS / FIELDS */
.field{margin-bottom:24px}
.field-label{display:block;font-family:var(--ark-fm);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--ark-graphite);margin-bottom:8px}
.field-label .req{color:var(--ark-bronze);margin-left:4px}
.input,.select,.textarea{width:100%;padding:14px 16px;background:#FFF;border:1px solid rgba(20,23,28,.18);border-radius:2px;font-family:var(--ark-fb);font-size:15px;color:var(--ark-anthracite);transition:border-color .2s,box-shadow .2s}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--ark-bronze);box-shadow:0 0 0 3px rgba(180,120,67,.15)}
.textarea{resize:vertical;min-height:96px}
.help{font-family:var(--ark-fm);font-size:11px;color:var(--ark-fog);margin-top:6px}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
@media(max-width:700px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.choice{position:relative;display:block;padding:20px;background:#FFF;border:1px solid rgba(20,23,28,.12);border-radius:4px;cursor:pointer;transition:all .2s ease;text-align:left}
.choice:hover{border-color:var(--ark-bronze);transform:translateY(-2px);box-shadow:0 8px 24px rgba(20,23,28,.08)}
.choice.selected{border-color:var(--ark-bronze);background:#FFF;box-shadow:inset 0 0 0 1px var(--ark-bronze),0 8px 24px rgba(20,23,28,.06)}
.choice .ico{width:36px;height:36px;background:var(--ark-anthracite);color:var(--ark-bronze-l);border-radius:2px;display:flex;align-items:center;justify-content:center;font-family:var(--ark-fm);font-size:14px;font-weight:500;margin-bottom:12px}
.choice .t{font-family:var(--ark-fd);font-size:18px;font-weight:400;margin-bottom:4px;color:var(--ark-anthracite)}
.choice .d{font-size:12px;color:var(--ark-graphite);line-height:1.5}
.choice .badge{position:absolute;top:14px;right:14px;background:var(--ark-bronze);color:var(--ark-bone);padding:2px 8px;border-radius:2px;font-family:var(--ark-fm);font-size:9px;letter-spacing:.1em;text-transform:uppercase}
.choice .check{position:absolute;top:14px;right:14px;width:20px;height:20px;border-radius:50%;border:1.5px solid rgba(20,23,28,.2);background:#FFF;display:flex;align-items:center;justify-content:center;color:transparent}
.choice.selected .check{background:var(--ark-bronze);border-color:var(--ark-bronze);color:#FFF}
.choice.selected .check::before{content:'✓';font-size:12px;font-weight:600}

.chk{display:flex;align-items:flex-start;gap:10px;padding:12px 14px;background:#FFF;border:1px solid rgba(20,23,28,.12);border-radius:2px;cursor:pointer;transition:all .2s;font-size:13px}
.chk:hover{border-color:var(--ark-bronze)}
.chk.selected{border-color:var(--ark-bronze);background:rgba(180,120,67,.06)}
.chk .box{width:18px;height:18px;border:1.5px solid rgba(20,23,28,.3);border-radius:2px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:transparent;margin-top:1px}
.chk.selected .box{background:var(--ark-bronze);border-color:var(--ark-bronze);color:#FFF}
.chk.selected .box::before{content:'✓';font-size:12px;font-weight:600}

.section-title{font-family:var(--ark-fd);font-size:20px;font-weight:400;margin:32px 0 16px;padding-bottom:8px;border-bottom:1px solid rgba(180,120,67,.3)}
.section-title:first-child{margin-top:0}

.slider-wrap{margin:16px 0}
.slider-wrap .vals{display:flex;justify-content:space-between;font-family:var(--ark-fm);font-size:11px;color:var(--ark-fog);margin-top:8px}
.slider-wrap .live{font-family:var(--ark-fd);font-size:32px;color:var(--ark-bronze);margin-bottom:8px;font-weight:400}
input[type=range]{width:100%;-webkit-appearance:none;appearance:none;height:6px;background:var(--ark-bone);border-radius:3px;outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:var(--ark-bronze);cursor:pointer;border:3px solid #FFF;box-shadow:0 2px 6px rgba(20,23,28,.2)}
input[type=range]::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--ark-bronze);cursor:pointer;border:3px solid #FFF;box-shadow:0 2px 6px rgba(20,23,28,.2)}

.alert{padding:14px 18px;border-radius:2px;margin:16px 0;font-size:13px;display:flex;gap:12px}
.alert.info{background:rgba(180,120,67,.1);border-left:3px solid var(--ark-bronze);color:var(--ark-bronze-d)}
.alert.warn{background:rgba(156,74,42,.1);border-left:3px solid var(--ark-rust);color:var(--ark-rust)}
.alert.success{background:rgba(78,122,85,.1);border-left:3px solid var(--ark-success);color:var(--ark-success)}
.alert b{font-weight:600;font-family:var(--ark-fm);font-size:11px;letter-spacing:.1em;text-transform:uppercase}

.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:2px;font-family:var(--ark-fm);font-size:10px;letter-spacing:.1em;text-transform:uppercase;font-weight:500;background:rgba(180,120,67,.12);color:var(--ark-bronze-d)}
.tag.dark{background:var(--ark-anthracite);color:var(--ark-bone)}
.tag.forest{background:rgba(46,61,52,.15);color:var(--ark-forest)}

/* STICKY BOTTOM NAV */
.nav-bottom{position:fixed;bottom:0;left:0;right:0;background:#FFF;border-top:1px solid rgba(20,23,28,.1);padding:16px 32px;display:flex;justify-content:space-between;align-items:center;gap:16px;z-index:90;box-shadow:0 -4px 16px rgba(20,23,28,.04)}
.nav-bottom .step-info{font-family:var(--ark-fm);font-size:11px;color:var(--ark-graphite);letter-spacing:.1em;text-transform:uppercase}
.nav-bottom .step-info b{color:var(--ark-bronze)}
.nav-bottom .actions{display:flex;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:2px;font-family:var(--ark-fb);font-weight:500;font-size:13px;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;transition:all .2s ease;text-decoration:none;border:none}
.btn-prim{background:var(--ark-bronze);color:var(--ark-bone)}
.btn-prim:hover{background:var(--ark-bronze-d)}
.btn-sec{background:transparent;color:var(--ark-anthracite);border:1px solid rgba(20,23,28,.18)}
.btn-sec:hover{background:var(--ark-anthracite);color:var(--ark-bone);border-color:var(--ark-anthracite)}
.btn-dark{background:var(--ark-anthracite);color:var(--ark-bone)}
.btn-dark:hover{background:var(--ark-carbon)}
.btn-lg{padding:18px 32px;font-size:14px}
.btn:disabled{opacity:.4;cursor:not-allowed}

/* INTRO HERO (écran 0) */
.intro-hero{background:var(--ark-anthracite);color:var(--ark-bone);padding:64px 48px;margin:-48px -32px 32px;text-align:center;border-radius:0 0 4px 4px}
.intro-hero .kicker{color:var(--ark-bronze-l);margin-bottom:14px}
.intro-hero h1{font-family:var(--ark-fd);font-weight:300;font-size:clamp(36px,5.5vw,64px);line-height:1;letter-spacing:-.02em;color:var(--ark-bone)}
.intro-hero h1 em{color:var(--ark-bronze-l);font-style:italic}
.intro-hero .lead{color:var(--ark-fog);font-size:17px;max-width:600px;margin:20px auto 0;line-height:1.6}
.intro-hero .meta-bar{display:flex;justify-content:center;gap:48px;margin-top:36px;padding-top:28px;border-top:1px solid var(--ark-slate);flex-wrap:wrap}
.intro-hero .mi{text-align:center}
.intro-hero .mi .lbl{font-family:var(--ark-fm);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ark-bronze-l);margin-bottom:4px}
.intro-hero .mi .val{font-family:var(--ark-fd);font-size:22px;font-weight:400}
.intro-hero .mi .val em{font-style:italic;color:var(--ark-bronze-l)}

.intro-process{display:grid;grid-template-columns:repeat(5,1fr);gap:0;background:#FFF;border:1px solid rgba(20,23,28,.08);margin:32px 0}
.intro-process .step{padding:24px 18px;border-right:1px solid rgba(180,120,67,.15)}
.intro-process .step:last-child{border-right:none}
.intro-process .step .pn{font-family:var(--ark-fm);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ark-bronze);margin-bottom:8px}
.intro-process .step h4{font-family:var(--ark-fd);font-size:17px;font-weight:400;margin-bottom:6px}
.intro-process .step p{font-size:12px;color:var(--ark-graphite);line-height:1.5}
@media(max-width:900px){.intro-process{grid-template-columns:1fr 1fr}}

.social-proof{background:var(--ark-bone);padding:20px 24px;border-left:3px solid var(--ark-bronze);margin:24px 0;display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.social-proof .sp-tag{font-family:var(--ark-fm);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ark-bronze);font-weight:600}
.social-proof .sp-text{font-family:var(--ark-fd);font-size:18px;color:var(--ark-anthracite)}
.social-proof .sp-text em{color:var(--ark-bronze);font-style:italic}

.rgpd-block{background:#FFF;padding:24px;border:1px solid rgba(20,23,28,.08);margin-top:32px;border-radius:2px}
.rgpd-block .chk{font-size:14px;margin-bottom:0}

/* RECAP */
.recap-section{background:#FFF;border:1px solid rgba(20,23,28,.08);margin-bottom:16px;border-radius:2px;overflow:hidden}
.recap-section header{padding:18px 24px;background:var(--ark-bone);display:flex;justify-content:space-between;align-items:center;cursor:pointer}
.recap-section header h3{font-family:var(--ark-fd);font-size:20px;font-weight:400}
.recap-section header .edit{font-family:var(--ark-fm);font-size:11px;color:var(--ark-bronze);letter-spacing:.1em;text-transform:uppercase}
.recap-section .body{padding:20px 24px;display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.recap-section .body .item{font-family:var(--ark-fm);font-size:12px;color:var(--ark-graphite)}
.recap-section .body .item strong{display:block;color:var(--ark-anthracite);font-weight:600;margin-bottom:2px;text-transform:uppercase;letter-spacing:.08em;font-size:10px}
@media(max-width:700px){.recap-section .body{grid-template-columns:1fr}}

.summary-box{background:var(--ark-anthracite);color:var(--ark-bone);padding:32px;margin:32px 0;text-align:center;border-radius:4px}
.summary-box .kicker{color:var(--ark-bronze-l);margin-bottom:8px}
.summary-box h2{font-family:var(--ark-fd);font-size:36px;font-weight:300;color:var(--ark-bone);line-height:1.1}
.summary-box h2 em{color:var(--ark-bronze-l);font-style:italic}
.summary-box p{color:var(--ark-fog);margin-top:14px;font-size:15px}
.summary-box .actions{display:flex;justify-content:center;gap:16px;margin-top:28px;flex-wrap:wrap}

.confirm-screen{text-align:center;padding:48px 24px;background:#FFF;border:1px solid rgba(20,23,28,.08);border-radius:4px}
.confirm-screen .ark-num{font-family:var(--ark-fd);font-size:72px;color:var(--ark-bronze);font-weight:300;letter-spacing:-.02em;line-height:1}
.confirm-screen h1{font-family:var(--ark-fd);font-size:38px;font-weight:300;margin:16px 0 14px;letter-spacing:-.01em}
.confirm-screen h1 em{font-style:italic;color:var(--ark-bronze)}
.confirm-screen .lead{color:var(--ark-graphite);max-width:520px;margin:0 auto 32px;font-size:16px}
.confirm-screen .actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:24px}