/* Geopilar , etude-sol-france.fr
   DNA : Newsreader (serif) + Asap (sans) · accent-pair (ocre action / ardoise info) ·
   hero editorial-left · header sidebar-rail (colonne stratigraphique) · spine signature-module-first ·
   shape outlined · texture photo-blocks · density airy.
   Signature : la coupe géotechnique (carotte de sondage), rail gradué en mètres. */

:root {
  /* neutres warm (sable / grège chaud) */
  --paper: #f4eee2;
  --paper-2: #ece3d2;
  --card: #fbf8f1;
  --ink: #23201c;
  --ink-2: #4a443b;
  --ink-3: #756d60;
  --line: #d8cdb8;
  --line-strong: #b7aa90;
  /* accent-pair : action vs information (rôles STRICTS) */
  --signal: #a8451f;        /* terre-cuite brûlée , CTA UNIQUEMENT */
  --signal-d: #8a3717;      /* hover */
  --accent-ink: #fdf6ee;    /* texte sur signal , AA verifie */
  --info: #2d5872;          /* bleu-ardoise sondage , repères / strates / liens */
  --info-d: #1f4156;
  --danger: #9a2f2f;        /* exposition forte / échéance , distinct de signal */
  /* coupe RGA (les seuls aplats "réglementaires" autorisés) */
  --rga-faible: #cdb98a;
  --rga-moyen: #c08a3e;
  --rga-fort: #a8451f;
  --rail-w: 280px;
  --maxw: 920px;
  --r: 3px;
  --gap: clamp(2.6rem, 5vw, 4.4rem); /* airy */
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Asap", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; display: block; }
a { color: var(--info-d); }
h1, h2, h3 { font-family: "Newsreader", Georgia, serif; font-weight: 600; line-height: 1.12; color: var(--ink); }
h1 { text-wrap: balance; }
h2 { text-wrap: balance; }
p { text-wrap: pretty; }
input, select, textarea { font: inherit; min-width: 0; }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 200; background: var(--ink); color: #fff; padding: .6rem 1rem; border-radius: var(--r); }

/* ── RAIL stratigraphique (header latéral, DNA sidebar-rail) ─────────────── */
.rail {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--rail-w);
  background: var(--paper-2);
  border-right: 2px solid var(--line-strong);
  display: flex; flex-direction: column;
  overflow-y: auto;
  z-index: 50;
}
.rail-top { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; padding: 1.1rem 1.2rem; border-bottom: 2px solid var(--line-strong); }
.brand { display: flex; align-items: baseline; gap: .5rem; text-decoration: none; flex: 1 1 auto; min-width: 0; }
.brand-mark { width: 16px; height: 30px; background:
  linear-gradient(180deg, var(--rga-faible) 0 33%, var(--rga-moyen) 33% 66%, var(--info) 66% 100%);
  border: 1px solid var(--ink); border-radius: 1px; align-self: center; flex: 0 0 auto; }
.brand-name { font-family: "Newsreader", serif; font-size: 1.42rem; font-weight: 600; color: var(--ink); letter-spacing: -.01em; }
.brand-name b { color: var(--signal); font-weight: 700; }
.brand-sub { font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-3); width: 100%; }
.rail-burger { display: none; }
.header-cta {
  display: inline-block; background: var(--signal); color: var(--accent-ink);
  text-decoration: none; font-weight: 600; padding: .55rem .9rem; border-radius: var(--r);
  border: 2px solid var(--signal); font-size: .92rem; white-space: nowrap;
}
.header-cta:hover { background: var(--signal-d); border-color: var(--signal-d); }

.rail-nav { padding: .4rem 0 1.4rem; }
/* colonne graduée : filet vertical continu = la carotte de sondage */
.rail-strata { position: relative; padding: .9rem 1.2rem .3rem 2.5rem; }
.rail-strata::before {
  content: ""; position: absolute; left: 1.45rem; top: 0; bottom: 0; width: 2px; background: var(--line-strong);
}
.rail-depth { position: absolute; left: 0; top: .9rem; width: 2.4rem; text-align: right; }
.rail-cote { display: block; font-size: .62rem; color: var(--info); font-weight: 700; font-variant-numeric: tabular-nums; }
.rail-strata::after {
  content: ""; position: absolute; left: calc(1.45rem - 3px); top: 1.05rem; width: 8px; height: 8px;
  background: var(--info); border: 2px solid var(--paper-2); border-radius: 50%;
}
.rail-layer { display: block; font-size: .58rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-top: .15rem; }
.rail-group-title { margin: 0 0 .25rem; font-size: .82rem; font-weight: 700; color: var(--ink); font-family: "Asap", sans-serif; }
.rail-group a { display: block; text-decoration: none; color: var(--ink-2); font-size: .86rem; padding: .2rem 0; border-bottom: 1px solid transparent; }
.rail-group a:hover { color: var(--signal); }
.rail-strata-meta::before, .rail-strata-meta::after { display: none; }
.rail-strata-meta { padding-left: 1.2rem; border-top: 1px solid var(--line); margin-top: .6rem; padding-top: 1rem; }
.rail-strata-meta .rail-depth { position: static; width: auto; text-align: left; margin-bottom: .3rem; }
.rail-mail { display: block; margin: 1rem 1.2rem 0; font-size: .82rem; color: var(--info-d); text-decoration: none; font-weight: 600; }
.rail-mail span { display: block; font-size: .72rem; color: var(--ink-3); font-weight: 400; }

/* ── Shell (contenu décalé à droite du rail) ─────────────────────────────── */
.shell { margin-left: var(--rail-w); }
main { padding: 0; }
.hero, .section, .article-head { padding-left: clamp(1.1rem, 4vw, 3.2rem); padding-right: clamp(1.1rem, 4vw, 3.2rem); }
.section, .hero { max-width: calc(var(--maxw) + 7rem); }
.section { padding-top: var(--gap); padding-bottom: 0; }
.section:last-of-type { padding-bottom: var(--gap); }

/* ── Hero editorial-left ─────────────────────────────────────────────────── */
.hero { padding-top: clamp(1.4rem, 2.6vw, 2.2rem); padding-bottom: 1rem; }
.hero-body { max-width: var(--maxw); }
.hero h1 { font-size: clamp(1.9rem, 4vw, 3rem); margin: 0 0 .7rem; letter-spacing: -.015em; }
.hero-sub { font-size: clamp(1rem, 1.4vw, 1.1rem); color: var(--ink-2); max-width: 64ch; margin: 0 0 1.1rem; }
.hero-cite { font-size: .94rem; color: var(--ink-3); border-left: 3px solid var(--info); padding-left: 1rem; max-width: 64ch; margin: 1.6rem 0 0; }
.breadcrumb { font-size: .82rem; color: var(--ink-3); margin-bottom: 1rem; }
.breadcrumb a { color: var(--info-d); }

/* ProfilSegmenter , 3 tuiles */
.profils { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; margin: 1.4rem 0; }
.profil-tile {
  display: flex; flex-direction: column; gap: .35rem; text-decoration: none;
  border: 2px solid var(--line-strong); border-radius: var(--r); padding: 1rem 1.1rem; background: var(--card);
}
.profil-tile:hover { border-color: var(--info); }
.profil-tile strong { font-family: "Newsreader", serif; font-size: 1.12rem; color: var(--ink); }
.profil-tile span { font-size: .88rem; color: var(--ink-2); }
.profil-tile em { font-style: normal; font-size: .82rem; font-weight: 600; color: var(--signal); margin-top: auto; }

/* mini-form hero (qualification above-fold) , compact 2-up */
.hero-mini {
  border: 2px solid var(--line-strong); border-radius: var(--r); background: var(--card);
  padding: 1rem 1.1rem; max-width: 600px; display: grid; gap: .6rem; margin-top: .4rem;
}
.hero-mini-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; }
.hero-mini-field { display: flex; flex-direction: column; gap: .2rem; font-size: .8rem; font-weight: 600; color: var(--ink-2); }
.hero-mini-field input { border: 2px solid var(--line-strong); border-radius: var(--r); padding: .55rem .7rem; background: #fff; width: 100%; }
.hero-mini-field input:focus { outline: 2px solid var(--info); border-color: var(--info); }
.hero-consent { font-size: .76rem; font-weight: 400; color: var(--ink-3); }

/* ── Boutons ─────────────────────────────────────────────────────────────── */
.button {
  display: inline-block; background: var(--signal); color: var(--accent-ink); text-decoration: none;
  font-weight: 600; padding: .7rem 1.2rem; border-radius: var(--r); border: 2px solid var(--signal);
  cursor: pointer; text-align: center; font-family: "Asap", sans-serif; font-size: 1rem;
}
.button:hover { background: var(--signal-d); border-color: var(--signal-d); }
.button-lg { padding: .85rem 1.5rem; font-size: 1.05rem; }
.button.wide { width: 100%; }
.button.ghost { background: transparent; color: var(--info-d); border-color: var(--line-strong); }
.button.ghost:hover { background: transparent; border-color: var(--info); color: var(--info-d); }
.button.inverse { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.button.inverse:hover { background: #fff; border-color: #fff; }
.ghost-on-dark { color: #e8ddc9; border-color: #6b5e48; }
.ghost-on-dark:hover { color: #fff; border-color: #a08a64; }

/* ── Strata head (titres de section, cote stratigraphique) ───────────────── */
.strata-head { max-width: 64ch; margin-bottom: 1.5rem; position: relative; }
.strata-cote {
  display: inline-block; font-family: "Newsreader", serif; font-style: italic; font-size: .9rem;
  color: var(--info); margin-bottom: .2rem;
}
.strata-head h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); margin: 0 0 .6rem; }
.strata-lead { color: var(--ink-2); font-size: 1.02rem; margin: 0; }
.strata-note { font-size: .82rem; color: var(--ink-3); margin: .8rem 0 0; }

/* ── ZoneArgileChecker , la coupe de sol ─────────────────────────────────── */
.zac { border: 2px solid var(--line-strong); border-radius: var(--r); background: var(--card); padding: 1.3rem; max-width: 640px; }
.zac-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .9rem; }
.zac-row label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; font-weight: 600; color: var(--ink-2); }
.zac-row input, .zac-row select { border: 2px solid var(--line-strong); border-radius: var(--r); padding: .6rem .7rem; background: #fff; width: 100%; }
.zac-row input:focus, .zac-row select:focus { outline: 2px solid var(--info); border-color: var(--info); }
.coupe { position: relative; margin: 1.2rem 0; border: 2px solid var(--ink); border-radius: var(--r); overflow: hidden; }
.coupe-layer { height: 38px; display: flex; align-items: center; padding-left: 1rem; color: #2a2113; font-weight: 600; font-size: .82rem; }
.coupe-layer span { background: rgba(255,255,255,.55); padding: .05rem .5rem; border-radius: 2px; }
.coupe-faible { background: var(--rga-faible); }
.coupe-moyen { background: var(--rga-moyen); }
.coupe-fort { background: var(--rga-fort); color: #fff; }
.coupe-cursor { position: absolute; left: 0; right: 0; height: 3px; background: var(--ink); opacity: 0; transition: top .25s; }
.coupe-cursor::after { content: ""; position: absolute; right: 6px; top: -6px; border: 7px solid transparent; border-right-color: var(--ink); }
.zac-out { margin-top: 1rem; border-left: 4px solid var(--info); padding: .6rem 0 .6rem 1rem; }
.zac-out strong { display: block; font-family: "Newsreader", serif; font-size: 1.15rem; }
.zac-out span { font-size: .92rem; color: var(--ink-2); }
.zac-out.is-fort { border-left-color: var(--danger); }
.zac-out.is-moyen { border-left-color: var(--rga-moyen); }

/* ── PhaseSelector , escalier de profondeur ──────────────────────────────── */
.phase-ladder { list-style: none; margin: 0; padding: 0; }
.phase-rung {
  display: grid; grid-template-columns: 110px 1fr auto; gap: 1rem; align-items: center;
  border: 2px solid var(--line-strong); border-radius: var(--r);
  background: var(--card); padding: .9rem 1.1rem; margin: 0 0 .5rem;
  margin-left: calc(var(--rung) * clamp(0px, 2vw, 26px)); /* escalier : descente en profondeur */
}
.phase-rung:hover { border-color: var(--info); }
.phase-code { font-family: "Newsreader", serif; font-weight: 700; font-size: 1.25rem; color: var(--info); border-right: 2px solid var(--line); padding-right: .8rem; }
.phase-body strong { display: block; color: var(--ink); }
.phase-body > span { display: block; font-size: .88rem; color: var(--ink-2); }
.phase-link { display: inline-block; margin-top: .3rem; font-size: .82rem; font-weight: 600; color: var(--info-d); text-decoration: none; }
.phase-link:hover { color: var(--signal); }
.phase-prix { font-weight: 700; color: var(--signal); font-size: .92rem; white-space: nowrap; }

/* ── Tableau de prix / obligation (sheet) , cards mobiles ────────────────── */
.sheet-wrap { overflow-x: auto; border: 2px solid var(--line-strong); border-radius: var(--r); }
.sheet { width: 100%; border-collapse: collapse; background: var(--card); min-width: 560px; }
.sheet th, .sheet td { padding: .7rem .9rem; text-align: left; border-bottom: 1px solid var(--line); font-size: .92rem; vertical-align: top; }
.sheet thead th { background: var(--info); color: #fff; font-family: "Asap", sans-serif; font-weight: 600; border-bottom: none; }
.sheet tbody th { font-weight: 700; color: var(--ink); }
.sheet tbody tr:last-child th, .sheet tbody tr:last-child td { border-bottom: none; }
.sheet-hint { display: none; font-size: .8rem; color: var(--ink-3); margin: .4rem 0 0; }

/* ── ROI / SinistreCostBox ───────────────────────────────────────────────── */
.roi { display: grid; grid-template-columns: minmax(0, 240px) 1fr; gap: 1.6rem; align-items: center;
  background: var(--ink); color: var(--paper); border-radius: var(--r); padding: 1.8rem; }
.roi-num { text-align: center; border-right: 2px solid #4a4236; padding-right: 1.4rem; }
.roi-num span { font-family: "Newsreader", serif; font-size: clamp(2.4rem, 6vw, 3.6rem); font-weight: 700; color: #e0a050; display: block; line-height: 1; }
.roi-num small { font-size: .92rem; color: #c9bfa f; color: #cabfaa; }
.roi-copy h2 { color: var(--paper); margin: 0 0 .6rem; }
.roi-copy p { color: #d8cfba; margin: 0 0 1rem; }

/* ── whyUs args ──────────────────────────────────────────────────────────── */
.args { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem 2rem; }
.arg { border-top: 2px solid var(--ink); padding-top: .7rem; }
.arg strong { font-family: "Newsreader", serif; font-size: 1.1rem; display: block; margin-bottom: .25rem; }
.arg p { font-size: .92rem; color: var(--ink-2); margin: 0; }

/* ── Steps ───────────────────────────────────────────────────────────────── */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: .8rem; }
.step { display: grid; grid-template-columns: 40px 1fr; gap: 1rem; align-items: start; border-bottom: 1px solid var(--line); padding-bottom: .8rem; }
.step:last-child { border-bottom: none; }
.step-n { font-family: "Newsreader", serif; font-size: 1.6rem; font-weight: 700; color: var(--info); line-height: 1; }
.step strong { display: block; color: var(--ink); }
.step span { font-size: .9rem; color: var(--ink-2); }

/* ── zones ───────────────────────────────────────────────────────────────── */
.zones { border: 2px solid var(--line-strong); border-radius: var(--r); padding: 1.4rem 1.5rem; background: var(--paper-2); }
.zones h2 { margin: 0 0 .5rem; }
.zones p { margin: 0; color: var(--ink-2); }

/* ── Prose / answer ──────────────────────────────────────────────────────── */
.prose { max-width: 66ch; }
.prose p { margin: 0 0 1rem; color: var(--ink); }
.answer-direct {
  font-family: "Newsreader", serif; font-size: 1.2rem; line-height: 1.45; color: var(--ink);
  border-left: 4px solid var(--signal); padding: .3rem 0 .3rem 1.2rem; margin: 0 clamp(1.1rem,4vw,3.2rem) 0;
  max-width: 68ch;
}
.article-head { padding-top: clamp(2rem, 4vw, 3.4rem); }
.article-head h1 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); margin: .4rem 0 1rem; }
.article-head .hero-sub { margin-bottom: 0; }

/* ── FAQ ─────────────────────────────────────────────────────────────────── */
.faq-section .faq-panel { border: 2px solid var(--info); border-radius: var(--r); padding: 1.4rem 1.6rem; background: var(--card); max-width: 72ch; }
.faq-panel > h2 { margin: 0 0 .8rem; }
.faq details { border-bottom: 1px solid var(--line); padding: .2rem 0; }
.faq details:last-child { border-bottom: none; }
.faq summary { cursor: pointer; font-weight: 600; padding: .7rem 0; color: var(--ink); list-style: none; position: relative; padding-right: 1.6rem; font-family: "Asap", sans-serif; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: .55rem; font-size: 1.3rem; color: var(--info); }
.faq details[open] summary::after { content: "\2013"; }
.faq p { margin: 0 0 .9rem; color: var(--ink-2); font-size: .95rem; }

/* ── link-list ───────────────────────────────────────────────────────────── */
.link-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem 1.6rem; }
.link-list a { color: var(--info-d); text-decoration: none; padding: .35rem 0; border-bottom: 1px solid var(--line); font-weight: 600; font-size: .94rem; }
.link-list a:hover { color: var(--signal); }

/* ── Lead band (form de capture) ─────────────────────────────────────────── */
.lead-band { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 2rem; align-items: start;
  background: var(--paper-2); border: 2px solid var(--line-strong); border-radius: var(--r); padding: 1.8rem; }
.lead-band-copy h2 { margin: 0 0 .6rem; }
.lead-band-copy .lead { color: var(--ink-2); }
.lead-band-form { background: var(--card); border: 2px solid var(--line-strong); border-radius: var(--r); padding: 1.3rem; }

/* ── Form ────────────────────────────────────────────────────────────────── */
.form { display: grid; gap: .8rem; }
.form .row2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; }
.form label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; font-weight: 600; color: var(--ink-2); }
.form input, .form select, .form textarea { border: 2px solid var(--line-strong); border-radius: var(--r); padding: .6rem .7rem; background: #fff; width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid var(--info); border-color: var(--info); }
.form-step2 { border: 1px dashed var(--line-strong); border-radius: var(--r); padding: .3rem .8rem; }
.form-step2 summary { cursor: pointer; font-weight: 600; font-size: .88rem; color: var(--info-d); padding: .5rem 0; }
.form-step2-inner { display: grid; gap: .8rem; padding: .4rem 0 .8rem; }
.consent { flex-direction: row !important; align-items: flex-start; gap: .5rem !important; font-weight: 400 !important; font-size: .82rem !important; color: var(--ink-3) !important; }
.consent input { width: auto !important; margin-top: .2rem; }
.reassurance { font-size: .8rem; color: var(--ink-3); margin: 0; }

/* ── SLA badge ───────────────────────────────────────────────────────────── */
.sla { display: flex; gap: .9rem; align-items: flex-start; border-left: 4px solid var(--signal); padding: .2rem 0 .2rem 1rem; margin-top: 1.2rem; }
.sla-mark { flex: 0 0 auto; width: 14px; height: 14px; border-radius: 50%; background: var(--signal); margin-top: .35rem; }
.sla p { margin: 0; font-size: .88rem; color: var(--ink-2); }

/* ── CTA band / next ─────────────────────────────────────────────────────── */
.callout-band { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
  border: 2px solid var(--signal); border-radius: var(--r); padding: 1.1rem 1.4rem; margin-top: 1.4rem; background: var(--card); }
.callout-band strong { font-family: "Newsreader", serif; font-size: 1.1rem; }
.callout-band p { margin: .2rem 0 0; font-size: .9rem; color: var(--ink-2); }
.cta-next { background: var(--ink); color: var(--paper); border-radius: var(--r); padding: 2rem 2.2rem; }
.cta-next h2 { color: var(--paper); margin: 0 0 .6rem; }
.cta-next .lead { color: #d8cfba; max-width: 64ch; }
.cta-next-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.2rem; }

/* ── Footer ──────────────────────────────────────────────────────────────── */
.site-footer { margin-top: var(--gap); background: var(--paper-2); border-top: 2px solid var(--line-strong); padding: 2.2rem clamp(1.1rem,4vw,3.2rem) 1.4rem; }
.foot-cols { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 1.6rem; max-width: calc(var(--maxw) + 7rem); }
.foot-col strong { display: block; font-family: "Newsreader", serif; font-size: 1.05rem; margin-bottom: .5rem; }
.foot-col ul { list-style: none; margin: 0; padding: 0; }
.foot-col li { margin: .25rem 0; }
.foot-col a { color: var(--ink-2); text-decoration: none; font-size: .88rem; }
.foot-col a:hover { color: var(--signal); }
.foot-brandblock p { font-size: .85rem; color: var(--ink-3); margin: .3rem 0; }
.foot-mail { color: var(--info-d) !important; font-weight: 600; font-size: .92rem; }
.foot-sla { font-size: .78rem; color: var(--ink-3); }
.foot-sources { font-size: .76rem; color: var(--ink-3); border-top: 1px solid var(--line); margin-top: 1.6rem; padding-top: .9rem; max-width: calc(var(--maxw) + 7rem); }
.foot-sources a { color: var(--ink-3); }
.src-date { color: var(--ink-3); }
.foot-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; margin-top: .9rem; font-size: .8rem; color: var(--ink-3); }
.foot-bottom a { color: var(--ink-3); }

/* ── Mobile CTA bar (sticky bottom) ──────────────────────────────────────── */
.sticky-bar { display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  background: var(--paper-2); border-top: 2px solid var(--line-strong); padding: .6rem .8rem; gap: .6rem; }
.sticky-bar .button { flex: 1; padding: .7rem; }

.section.narrow { max-width: 760px; }

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 980px) {
  :root { --rail-w: 0px; }
  .rail { position: sticky; top: 0; left: 0; right: 0; width: 100%; height: auto; bottom: auto; flex-direction: column; max-height: 100vh; }
  .rail-top { width: 100%; }
  .rail-burger { display: inline-flex; flex-direction: column; justify-content: center; gap: 4px; width: 42px; height: 38px; background: transparent; border: 2px solid var(--line-strong); border-radius: var(--r); cursor: pointer; order: 2; }
  .rail-burger span { display: block; height: 2px; background: var(--ink); }
  .header-cta { order: 3; }
  .rail-nav { display: none; }
  .rail-nav.is-open { display: block; max-height: 70vh; overflow-y: auto; }
  .shell { margin-left: 0; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .profils { grid-template-columns: 1fr; }
  .zac-row { grid-template-columns: 1fr; }
  .args { grid-template-columns: 1fr; }
  .form .row2 { grid-template-columns: 1fr; }
  .lead-band { grid-template-columns: 1fr; padding: 1.2rem; }
  .roi { grid-template-columns: 1fr; }
  .roi-num { border-right: none; border-bottom: 2px solid #4a4236; padding-right: 0; padding-bottom: 1rem; }
  .link-list { grid-template-columns: 1fr; }
  .foot-cols { grid-template-columns: 1fr 1fr; }
  .phase-rung { grid-template-columns: 70px 1fr; margin-left: 0; }
  .phase-prix { grid-column: 2; text-align: left; }
  .sticky-bar { display: flex; }
  body { padding-bottom: 64px; }
  /* tableaux >4 col -> cards CSS-only */
  .sheet { min-width: 0; }
  .sheet thead { position: absolute; left: -9999px; }
  .sheet, .sheet tbody, .sheet tr, .sheet th, .sheet td { display: block; width: 100%; }
  .sheet tr { border: 1px solid var(--line); border-radius: var(--r); margin-bottom: .7rem; padding: .3rem .6rem; }
  .sheet tbody th, .sheet td { border-bottom: 1px dotted var(--line); padding: .45rem 0; }
  .sheet td::before { content: attr(data-label) " : "; font-weight: 700; color: var(--ink); display: block; font-size: .76rem; }
  .sheet-hint { display: none; }
  .answer-direct { margin-left: clamp(1.1rem,4vw,3.2rem); }
}
@media (min-width: 761px) {
  .sheet-hint { display: block; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }