/* Palier Tertiaire · direction artistique « bureau d'études énergie, plan d'architecte ».
   Sections fortes en bleu nuit façon tirage blueprint, avec trame millimétrée fine ; papier blanc et teal ailleurs.
   Signature : l'échelle de performance A à G en barres colorées, la trajectoire en paliers -40 / -50 / -60 %,
   et le vocabulaire du dessin technique (cotes, cartouches, règles graduées, repères de coupe).
   Space Grotesk pour les titres et les chiffres, Public Sans pour le texte. Angles vifs, traits fins, aucun flou. */

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --ink: #0b1f3a;
  --ink-2: #2f4560;
  --muted: #55667b;
  --line: #d5dee8;
  --accent: #0f766e;
  --accent-ink: #0b5f58;
  --accent-soft: #e5f3f1;
  --on-accent: #ffffff;
  --font-body: "Public Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-head: "Space Grotesk", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --head-weight: 700;
  --head-tracking: -0.025em;
  --radius: 3px;
  --radius-btn: 3px;
  --shadow: 0 1px 0 rgba(11, 31, 58, .04), 0 18px 40px -22px rgba(11, 31, 58, .35);
  --maxw: 1180px;
  --header-bg: #ffffff;
  --header-ink: #0b1f3a;
  --footer-bg: #071a31;
  --footer-ink: #b9c8da;
  --footer-strong: #ffffff;

  /* Propres à la marque */
  --navy: #0b1f3a;
  --navy-2: #12305a;
  --teal-hi: #2dd4bf;
  --on-dark: #eaf2ff;
  --on-dark-2: #c3d2e4;
  --on-dark-3: #9fb6d3;
  --grid-minor: rgba(143, 184, 232, .075);
  --grid-major: rgba(143, 184, 232, .15);
  --lbl-a: #0d8a4e; --lbl-b: #3aa655; --lbl-c: #9bc53d; --lbl-d: #f2d43b; --lbl-e: #f2a33a; --lbl-f: #e8692f; --lbl-g: #d63a2f;
  --stripe: linear-gradient(90deg, var(--lbl-g) 0 14.28%, var(--lbl-f) 0 28.57%, var(--lbl-e) 0 42.85%, var(--lbl-d) 0 57.14%, var(--lbl-c) 0 71.42%, var(--lbl-b) 0 85.71%, var(--lbl-a) 0);
  --blueprint:
    linear-gradient(var(--grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-major) 1px, transparent 1px),
    linear-gradient(var(--grid-minor) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-minor) 1px, transparent 1px);
  --ruler:
    repeating-linear-gradient(90deg, rgba(45, 212, 191, .85) 0 1px, transparent 1px 40px) bottom / 100% 12px no-repeat,
    repeating-linear-gradient(90deg, rgba(45, 212, 191, .45) 0 1px, transparent 1px 8px) bottom / 100% 6px no-repeat;
}

/* ---------- Base ---------- */
body { font-size: 17px; line-height: 1.65; color: var(--ink); background: var(--bg); font-feature-settings: "kern"; }
h1, h2, h3, h4 { color: inherit; text-wrap: balance; }
h3 { letter-spacing: -0.015em; }
a { color: var(--accent-ink); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); text-decoration-thickness: 2px; }
::selection { background: var(--teal-hi); color: var(--navy); }
:focus-visible { outline: 3px solid var(--teal-hi); outline-offset: 2px; }
.bp {
  background-color: var(--navy);
  background-image: var(--blueprint);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  background-position: -1px -1px;
  color: var(--on-dark);
}
.num, .tnum { font-variant-numeric: tabular-nums; }

/* ---------- Boutons ---------- */
.btn {
  font: 700 15.5px/1.2 var(--font-head); letter-spacing: .01em;
  border-radius: var(--radius-btn); padding: 13px 20px; min-height: 46px;
  background: var(--accent); border: 1.5px solid var(--accent); color: var(--on-accent);
  transition: background-color .15s, border-color .15s, color .15s, transform .15s;
}
.btn:hover { filter: none; background: var(--accent-ink); border-color: var(--accent-ink); color: #fff; text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn-big { padding: 15px 24px; font-size: 16.5px; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.bp .btn, .lead .btn, .cta-box .btn, .card-tool .btn { background: var(--teal-hi); border-color: var(--teal-hi); color: var(--navy); }
.bp .btn:hover, .lead .btn:hover, .cta-box .btn:hover { background: #5eead4; border-color: #5eead4; color: var(--navy); }
.bp .btn-ghost { background: transparent; color: var(--on-dark); border-color: rgba(234, 242, 255, .55); }
.bp .btn-ghost:hover { background: var(--on-dark); border-color: var(--on-dark); color: var(--navy); }

/* ---------- En-tête ---------- */
.site-header { background: rgba(255, 255, 255, .97); border-bottom: 1px solid var(--line); }
.site-header::before { content: ""; display: block; height: 3px; background: var(--stripe); }
.header-in { min-height: 70px; }
.brand { gap: 12px; }
.brand-logo { width: 40px; height: 40px; }
.brand-name { font-family: var(--font-head); font-weight: 700; font-size: 19.5px; letter-spacing: -0.02em; color: var(--ink); }
.brand-tagline { font: 500 11px/1.3 var(--font-head); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: 2px; }
.nav { gap: 26px; }
.nav a { font: 600 15px/1.2 var(--font-body); color: var(--ink); opacity: 1; position: relative; }
.nav a:not(.btn)::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .2s; }
.nav a:not(.btn):hover { color: var(--accent-ink); }
.nav a:not(.btn):hover::after { transform: scaleX(1); }
.nav a.btn { padding: 11px 16px; min-height: 44px; color: #fff; }
.nav-toggle { height: 44px; border-color: var(--ink); border-radius: var(--radius); }
@media (max-width: 940px) {
  .nav { background: #fff; border-top: 1px solid var(--line); box-shadow: 0 24px 40px -24px rgba(11, 31, 58, .45); padding: 4px 16px 18px; }
  .nav a { padding: 14px 2px; font-size: 16px; }
  .nav a:not(.btn)::after { display: none; }
  .nav a.btn { margin-top: 14px; }
}
@media (max-width: 420px) {
  .brand-name { font-size: 18px; }
  .brand-logo { width: 36px; height: 36px; }
}

/* ---------- En-tête des pages standard ---------- */
.page-head {
  position: relative; border-bottom: 0; padding: 34px 0 56px;
  background-color: var(--navy); background-image: var(--blueprint);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px; background-position: -1px -1px;
  color: var(--on-dark);
}
.page-head::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 14px; background: var(--ruler); }
.page-head h1 { color: #fff; font-size: clamp(30px, 4.4vw, 50px); line-height: 1.06; letter-spacing: -0.03em; margin: 14px 0 14px; max-width: 920px; }
.page-head .lede { color: var(--on-dark-2); font-size: 18.5px; max-width: 800px; }
.page-head .lede strong { color: #fff; }
.crumbs { font: 500 12.5px/1.4 var(--font-head); letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-3); gap: 10px; }
.crumbs a { color: var(--teal-hi); text-decoration: none; padding: 12px 0; margin: -12px 0; }
.crumbs a:hover { color: #fff; }
.meta { color: var(--on-dark-3); font: 500 13px/1.4 var(--font-head); letter-spacing: .06em; text-transform: uppercase; margin: 0 0 6px; }

/* ---------- Contenu des pages ---------- */
.content-wrap { padding-top: 44px; padding-bottom: 64px; }
@media (min-width: 1000px) { .content-grid.has-side { grid-template-columns: minmax(0, 1fr) 312px; gap: 64px; } }
.prose { counter-reset: sec; }
.prose > h2 { counter-increment: sec; position: relative; font-size: clamp(24px, 2.6vw, 30px); line-height: 1.15; margin: 56px 0 14px; padding-top: 22px; border-top: 1px solid var(--line); }
.prose > h2::before {
  content: "§ " counter(sec, decimal-leading-zero);
  position: absolute; top: 0; left: 0; transform: translateY(-50%);
  background: var(--bg); padding-right: 12px;
  font: 700 12px/1 var(--font-head); letter-spacing: .14em; color: var(--accent);
}
.prose > .bref + h2, .prose > h2:first-child { margin-top: 36px; }
.prose h3 { font-size: 20px; }
.prose strong { color: var(--ink); }
.prose ul li::marker { color: var(--accent); }
.prose ol { padding-left: 26px; }
.prose ol li::marker { font: 700 15px var(--font-head); color: var(--accent); }
.prose blockquote { border-left: 3px solid var(--accent); border-radius: 0; background: var(--accent-soft); }

/* Tableaux : en-tête bleu nuit, chiffres tabulaires */
.table-wrap { border: 1px solid #c3cfdc; border-radius: var(--radius); }
table { font-size: 15px; font-variant-numeric: tabular-nums; }
th { background: var(--navy); color: #fff; font: 600 12.5px/1.35 var(--font-head); letter-spacing: .07em; text-transform: uppercase; padding: 12px 14px; border-bottom: 0; }
td { padding: 11px 14px; border-bottom: 1px solid var(--line); }
tbody tr:nth-child(even) td { background: #f6f9fc; }

/* L'essentiel, en cartouche de plan */
.bref { border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 0; background: #fff; margin: 0 0 32px; overflow: hidden; }
.bref .bref-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: 0; padding: 10px 18px; background: var(--navy); color: #fff; font: 700 12px/1.2 var(--font-head); letter-spacing: .14em; text-transform: uppercase; }
.bref-title::after { content: ""; width: 84px; height: 6px; background: var(--stripe); flex: none; }
.bref ul { margin: 0; padding: 14px 20px 16px 38px; }
.bref li { margin: 8px 0; }
.bref li::marker { color: var(--accent); }

/* Encadré d'appel à l'action */
.cta-box {
  position: relative; overflow: hidden;
  background-color: var(--navy); background-image: var(--blueprint);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
  border: 0; border-radius: var(--radius); padding: 26px 26px 30px; margin: 36px 0; color: var(--on-dark);
}
.cta-box::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: var(--stripe); }
.cta-title { font: 600 19px/1.35 var(--font-head); color: #fff; max-width: 470px; letter-spacing: -0.01em; }

/* Colonne latérale */
.sidebar { top: 100px; }
.side-box { border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 0 0 22px; gap: 14px; overflow: hidden; box-shadow: var(--shadow); }
.side-box::before {
  content: "Devis gratuit · sans engagement";
  display: block; padding: 11px 20px 13px; background: var(--navy); color: #fff;
  font: 700 11.5px/1.2 var(--font-head); letter-spacing: .14em; text-transform: uppercase;
  box-shadow: inset 0 -4px 0 0 transparent;
  border-bottom: 4px solid; border-image: var(--stripe) 1;
}
.side-title, .side-text, .side-box .btn, .side-link { margin-left: 20px; margin-right: 20px; }
.side-title { font: 700 21px/1.2 var(--font-head); letter-spacing: -0.02em; }
.side-text { font-size: 15px; }
.side-link { font-weight: 600; }

/* Cartes guides : fiches techniques numérotées */
.related h2, .faq h2, .sources h2 { font-size: clamp(24px, 2.6vw, 32px); letter-spacing: -0.025em; }
.cards { counter-reset: card; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 16px; }
.card {
  counter-increment: card; position: relative; gap: 8px; padding: 20px 20px 22px;
  border: 1px solid #c3cfdc; border-radius: var(--radius); background: #fff; color: var(--ink);
  transition: border-color .15s, transform .15s, box-shadow .15s;
}
.card::before { content: "G-" counter(card, decimal-leading-zero); position: absolute; top: 18px; right: 18px; font: 500 11.5px/1 var(--font-head); letter-spacing: .1em; color: var(--muted); }
.card::after { content: ""; position: absolute; left: -1px; top: -1px; width: 14px; height: 14px; border-left: 3px solid var(--accent); border-top: 3px solid var(--accent); }
.card:hover { border-color: var(--ink); transform: translateY(-2px); box-shadow: var(--shadow); }
.card-kind { font: 700 11.5px/1.2 var(--font-head); letter-spacing: .12em; color: var(--accent-ink); }
.card-title { font: 700 18px/1.25 var(--font-head); letter-spacing: -0.015em; padding-right: 40px; }
.card-desc { color: var(--muted); font-size: 14.5px; }
.card-tool { background-color: var(--navy); background-image: var(--blueprint); background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px; border-color: var(--navy); color: #fff; }
.card-tool .card-kind { color: var(--teal-hi); }
.card-tool .card-desc, .card-tool::before { color: var(--on-dark-2); }
.card-tool::after { border-color: var(--teal-hi); }
.card-service { background: var(--accent-soft); border-color: #a9d6cf; }

/* FAQ en lignes de nomenclature */
.faq details { border: 0; border-top: 1px solid #c3cfdc; border-radius: 0; margin: 0; background: transparent; }
.faq details:last-of-type { border-bottom: 1px solid #c3cfdc; }
.faq summary { font: 600 17.5px/1.4 var(--font-head); letter-spacing: -0.01em; padding: 18px 56px 18px 0; min-height: 44px; }
.faq summary::after {
  content: "+"; top: 50%; right: 0; transform: translateY(-50%);
  width: 32px; height: 32px; display: grid; place-items: center;
  border: 1.5px solid var(--ink); border-radius: var(--radius);
  font: 500 20px/1 var(--font-head); color: var(--ink);
}
.faq details[open] summary::after { content: "−"; background: var(--ink); color: #fff; }
.faq summary:hover { color: var(--accent-ink); }
.faq details > div { padding: 0 56px 20px 0; color: var(--ink-2); }

/* Sources */
.sources ul { list-style: none; padding: 0; }
.sources li { position: relative; padding-left: 26px; margin: 8px 0; }
.sources li::before { content: "↗"; position: absolute; left: 0; top: 0; color: var(--accent); font-family: var(--font-head); font-weight: 700; }
.updated { font: 500 12.5px/1.4 var(--font-head); letter-spacing: .08em; text-transform: uppercase; }

/* ---------- Formulaire de devis ---------- */
.lead {
  position: relative; border-top: 0; padding: 80px 0 88px; color: var(--on-dark);
  background-color: var(--navy); background-image: var(--blueprint);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px; background-position: -1px -1px;
}
.lead::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 14px; background: var(--ruler); transform: scaleY(-1); }
.lead h2 { color: #fff; font-size: clamp(30px, 3.6vw, 44px); line-height: 1.08; letter-spacing: -0.03em; }
.lead-intro { color: var(--on-dark-2); font-size: 17.5px; }
.lead-points li { color: var(--on-dark); padding-left: 32px; }
.lead-points li::before { top: 4px; width: 18px; height: 18px; border-radius: 2px; background: var(--teal-hi) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%230b1f3a' stroke-width='2.2' stroke-linecap='square'/%3E%3C/svg%3E") center/100% no-repeat; }
.lead-form { position: relative; border: 0; border-radius: var(--radius); padding: 66px 26px 24px; box-shadow: 0 40px 70px -40px rgba(0, 0, 0, .7); color: var(--ink); }
.lead-form::before {
  content: "Demande de devis · décret tertiaire"; position: absolute; left: 0; right: 0; top: 4px;
  padding: 12px 26px; background: var(--surface-2); border-bottom: 1px solid var(--line);
  font: 700 11.5px/1.2 var(--font-head); letter-spacing: .14em; text-transform: uppercase; color: var(--ink);
}
.lead-form::after { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--stripe); border-radius: var(--radius) var(--radius) 0 0; }
.field label { font: 600 14.5px/1.3 var(--font-body); color: var(--ink); }
.field input, .field select, .field textarea,
.tool input:not([type=radio]):not([type=checkbox]), .tool select { border: 1px solid #aebccc; border-radius: var(--radius); min-height: 46px; color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus,
.tool input:not([type=radio]):not([type=checkbox]):focus, .tool select:focus { border-color: var(--accent); outline: 3px solid rgba(45, 212, 191, .35); }
.consent { color: var(--ink-2); }
.consent a { color: var(--accent-ink); }
.form-note { color: var(--muted); }
.form-success { border-radius: var(--radius); border-left: 4px solid var(--lbl-a); }
@media (max-width: 600px) { .lead { padding: 60px 0 64px; } .lead-form { padding: 64px 16px 18px; } .lead-form::before { padding: 12px 16px; } }

/* ---------- Outil : feuille de calcul ---------- */
.tool { position: relative; border: 1.5px solid var(--ink); border-radius: var(--radius); padding: 62px 26px 26px; box-shadow: var(--shadow); margin: 12px 0 36px; }
.tool::before {
  content: "Feuille de calcul · DT-01"; position: absolute; left: 0; right: 0; top: 0;
  padding: 11px 26px 13px; background: var(--navy); color: #fff;
  font: 700 11.5px/1.2 var(--font-head); letter-spacing: .14em; text-transform: uppercase;
  border-bottom: 4px solid; border-image: var(--stripe) 1;
}
.tool h2 { font-size: 24px; margin: 0 0 18px; }
.tool .q > label, .tool .q-label { font: 600 15px/1.35 var(--font-body); }
.tool .hint { font-size: 13.5px; }
.tool .btn { margin-top: 4px; }
.result { border-radius: var(--radius); border-left-width: 4px; padding: 20px 22px; }
.result.ok { border-left-color: var(--lbl-b); }
.result.warn { border-left-color: var(--lbl-e); }
.result.ko { border-left-color: var(--lbl-g); }
.result-title { font: 700 20px/1.3 var(--font-head); letter-spacing: -0.015em; }
.result-big { font: 700 clamp(30px, 4vw, 40px)/1.05 var(--font-head); letter-spacing: -0.03em; color: var(--ink); font-variant-numeric: tabular-nums; }
.result .btn { margin-top: 6px; }
@media (max-width: 600px) { .tool { padding: 60px 16px 18px; } .tool::before { padding-left: 16px; padding-right: 16px; } }

/* ---------- Pied de page ---------- */
.site-footer {
  position: relative; padding: 64px 0 30px;
  background-color: var(--footer-bg); background-image: var(--blueprint);
  background-size: 96px 96px, 96px 96px, 24px 24px, 24px 24px;
}
.site-footer::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--stripe); }
.footer-grid { grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; }
.brand-footer .brand-name { color: #fff; font-size: 21px; }
.footer-text { opacity: 1; color: var(--footer-ink); max-width: 440px; font-size: 15px; }
.footer-title { font: 700 12px/1.3 var(--font-head); letter-spacing: .14em; text-transform: uppercase; color: var(--teal-hi); margin-bottom: 14px; }
.site-footer li { margin: 0; }
.site-footer li a { display: inline-block; padding: 10px 0; }
.site-footer a { color: #fff; }
.site-footer a:hover { color: var(--teal-hi); }
.disclaimer { opacity: 1; color: var(--footer-ink); border-top-color: rgba(185, 200, 218, .22); font-size: 13px; }
.legal-links a { color: var(--footer-ink); display: inline-block; padding: 12px 0; margin: -12px 0; }
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } }

/* =========================================================
   ACCUEIL (layout custom)
   ========================================================= */
.pt-eyebrow { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 16px; font: 700 12.5px/1.3 var(--font-head); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.pt-eyebrow::before { content: ""; width: 26px; height: 2px; background: currentColor; flex: none; }
.bp .pt-eyebrow { color: var(--teal-hi); }
.pt-h2 { font-size: clamp(30px, 3.8vw, 46px); line-height: 1.06; letter-spacing: -0.03em; margin: 0 0 18px; }
.pt-intro { font-size: 18px; color: var(--ink-2); max-width: 640px; margin: 0 0 24px; }
.bp .pt-intro, .bp p { color: var(--on-dark-2); }
.pt-section { padding: 96px 0; }
@media (max-width: 760px) { .pt-section { padding: 64px 0; } }

/* Héros */
.pt-hero { padding: 64px 0 120px; overflow: hidden; }
.pt-hero-in { display: grid; gap: 40px; align-items: center; }
@media (min-width: 980px) { .pt-hero-in { grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 36px; } }
.pt-hero h1 { color: #fff; font-size: clamp(31px, 8.4vw, 58px); line-height: 1.02; letter-spacing: -0.04em; margin: 0 0 26px; text-wrap: initial; }
.pt-h1-top { display: block; }
@media (min-width: 980px) { .pt-hero h1 { font-size: clamp(44px, 4.15vw, 58px); } }
.pt-cote { position: relative; display: inline-block; color: var(--teal-hi); padding-bottom: 14px; white-space: nowrap; }
.pt-cote::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 12px;
  background:
    linear-gradient(var(--teal-hi), var(--teal-hi)) center / 100% 1.5px no-repeat,
    linear-gradient(var(--teal-hi), var(--teal-hi)) left center / 1.5px 100% no-repeat,
    linear-gradient(var(--teal-hi), var(--teal-hi)) right center / 1.5px 100% no-repeat;
}
.pt-hero .pt-lede { font-size: clamp(17.5px, 1.5vw, 20px); line-height: 1.6; color: var(--on-dark-2); max-width: 560px; margin: 0 0 30px; }
.pt-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.pt-assure { list-style: none; padding: 0; margin: 28px 0 0; display: flex; flex-wrap: wrap; gap: 10px 22px; font: 500 13px/1.3 var(--font-head); letter-spacing: .06em; text-transform: uppercase; color: var(--on-dark-3); }
.pt-assure li { display: inline-flex; align-items: center; gap: 8px; }
.pt-assure li::before { content: ""; width: 7px; height: 7px; background: var(--teal-hi); flex: none; }
.pt-hero-art { margin: 0; }
.hero-art { display: block; width: 100%; height: auto; }
@media (min-width: 1280px) { .pt-hero-art .hero-art { width: 112%; max-width: none; margin-right: -12%; } }
@media (max-width: 979px) { .pt-hero { padding-top: 44px; } .pt-hero-art { max-width: 620px; margin: 0 auto; } }

/* Cartouche des chiffres réglementaires */
.pt-cart-wrap { position: relative; z-index: 2; margin-top: -72px; }
.pt-cartouche { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--ink); border: 1.5px solid var(--ink); border-radius: var(--radius); margin: 0; box-shadow: 0 30px 60px -36px rgba(11, 31, 58, .55); overflow: hidden; }
.pt-cell { background: #fff; padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 4px; }
.pt-cell dt { font: 500 11.5px/1.3 var(--font-head); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); display: flex; justify-content: space-between; gap: 8px; }
.pt-cell dt span { color: var(--accent); }
.pt-cell dd { margin: 0; }
.pt-cell .pt-v { display: block; font: 700 clamp(28px, 2.6vw, 34px)/1.05 var(--font-head); letter-spacing: -0.03em; color: var(--ink); font-variant-numeric: tabular-nums; margin: 6px 0 6px; white-space: nowrap; }
.pt-cell .pt-d { display: block; font-size: 14px; line-height: 1.45; color: var(--ink-2); }
@media (max-width: 1000px) { .pt-cartouche { grid-template-columns: repeat(2, 1fr); } .pt-cell:last-child { grid-column: 1 / -1; } }
@media (max-width: 420px) { .pt-cell { padding: 14px 14px 16px; } .pt-cell .pt-v { font-size: 26px; } }

/* Missions */
.pt-missions { padding-top: 104px; }
.pt-mgrid { display: grid; gap: 40px; }
@media (min-width: 980px) { .pt-mgrid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 72px; align-items: start; } .pt-mside { position: sticky; top: 110px; } }
.pt-scale { margin: 30px 0 28px; padding: 18px 18px 16px; border: 1.5px solid var(--ink); border-radius: var(--radius); max-width: 400px; background: #fff; }
.pt-scale-head { display: flex; justify-content: space-between; font: 700 11.5px/1.2 var(--font-head); letter-spacing: .14em; text-transform: uppercase; color: var(--ink); margin: 0 0 12px; }
.pt-scale-head span { color: var(--muted); font-weight: 500; }
.pt-bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; }
.pt-bars li { --w: 40%; position: relative; width: var(--w); height: 24px; background: var(--c); color: #fff; font: 700 13px/24px var(--font-head); padding-left: 9px; clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 50%, calc(100% - 10px) 100%, 0 100%); }
.pt-bars li.dk { color: var(--navy); }
.pt-scale-note { margin: 14px 0 0; font-size: 13.5px; line-height: 1.5; color: var(--ink-2); }
.pt-mlist { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid #c3cfdc; }
.pt-m { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 4px 22px; padding: 30px 0 30px; border-top: 1px solid #c3cfdc; position: relative; }
.pt-m::before { content: ""; position: absolute; left: 0; top: -1px; width: 0; height: 3px; background: var(--accent); transition: width .25s; }
.pt-m:hover::before { width: 64px; }
.pt-m-ref { grid-row: span 2; display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.pt-m-ref b { font: 700 12.5px/1 var(--font-head); letter-spacing: .12em; color: var(--accent); }
.pt-m-ref img { width: 48px; height: 48px; }
.pt-m h3 { font-size: clamp(21px, 2vw, 25px); line-height: 1.2; margin: 0 0 8px; }
.pt-m p { margin: 0 0 12px; color: var(--ink-2); }
.pt-m .pt-out { font-size: 15px; color: var(--ink); background: var(--surface-2); border-left: 3px solid var(--accent); padding: 10px 14px; margin: 0 0 12px; }
.pt-m .pt-out b { font: 700 11.5px/1 var(--font-head); letter-spacing: .12em; text-transform: uppercase; color: var(--accent-ink); margin-right: 6px; }
.pt-more { font: 600 15px/1.4 var(--font-body); }
.pt-more a { display: inline-flex; align-items: center; min-height: 44px; }
@media (max-width: 560px) { .pt-m { grid-template-columns: 1fr; } .pt-m-ref { grid-row: auto; flex-direction: row; align-items: center; } .pt-m-ref img { width: 40px; height: 40px; } }

/* Qui est concerné */
.pt-paper { background-color: var(--surface-2); background-image: linear-gradient(rgba(11, 31, 58, .045) 1px, transparent 1px), linear-gradient(90deg, rgba(11, 31, 58, .045) 1px, transparent 1px); background-size: 24px 24px; }
.pt-scope-grid { display: grid; gap: 36px; }
@media (min-width: 980px) { .pt-scope-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: start; } }
.pt-scope-grid p { color: var(--ink-2); }
.pt-links { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.pt-sheet { background: #fff; border: 1.5px solid var(--ink); border-radius: var(--radius); box-shadow: var(--shadow); }
.pt-sheet-head { display: flex; justify-content: space-between; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--ink); font: 700 11.5px/1.2 var(--font-head); letter-spacing: .14em; text-transform: uppercase; }
.pt-sheet-head span { color: var(--muted); font-weight: 500; }
.pt-sheet-body { padding: 20px; }
.pt-chips { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.pt-chips li { border: 1px solid #aebccc; border-radius: var(--radius); padding: 7px 12px; font: 500 14.5px/1.2 var(--font-head); background: #fff; }
.pt-chips li.no { color: var(--muted); border-style: dashed; text-decoration: line-through; text-decoration-color: rgba(85, 102, 123, .6); }
.pt-sheet-sub { font: 700 11.5px/1.2 var(--font-head); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.pt-note { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; margin: 4px 0 0; padding: 16px; background: var(--accent-soft); border-radius: var(--radius); font-size: 15px; color: var(--ink); }
.pt-note img { width: 40px; height: 40px; }
.pt-note p { margin: 0; color: var(--ink); }

/* Trajectoire */
.pt-traj-grid { display: grid; gap: 36px; align-items: center; }
@media (min-width: 980px) { .pt-traj-grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 64px; } }
.pt-traj h2 { color: #fff; }
.pt-traj-art { margin: 0; padding: 18px 14px 8px; border: 1px solid rgba(143, 184, 232, .3); background: rgba(7, 26, 49, .55); border-radius: var(--radius); }
.traj-art { display: block; width: 100%; height: auto; }
.pt-traj-art figcaption { font: 500 12px/1.4 var(--font-head); letter-spacing: .08em; text-transform: uppercase; color: var(--on-dark-3); padding: 8px 6px 4px; }
.pt-kv { list-style: none; padding: 0; margin: 22px 0 30px; border-top: 1px solid rgba(143, 184, 232, .3); }
.pt-kv li { display: grid; grid-template-columns: 88px 1fr; gap: 16px; padding: 12px 0; border-bottom: 1px solid rgba(143, 184, 232, .3); color: var(--on-dark-2); font-size: 15.5px; }
.pt-kv b { font: 700 22px/1.1 var(--font-head); color: #fff; letter-spacing: -0.02em; }

/* Méthode : frise d'étapes */
.pt-steps { list-style: none; margin: 48px 0 0; padding: 0; display: grid; gap: 28px; counter-reset: step; position: relative; }
@media (min-width: 900px) {
  .pt-steps { grid-template-columns: repeat(4, 1fr); gap: 28px; padding-top: 34px; }
  .pt-steps::before { content: ""; position: absolute; left: 0; right: 0; top: 12px; height: 1.5px; background: var(--ink); }
  .pt-steps::after { content: ""; position: absolute; right: 0; top: 6px; width: 1.5px; height: 13px; background: var(--ink); }
  .pt-step::after { content: ""; position: absolute; left: 0; top: -28px; width: 1.5px; height: 13px; background: var(--ink); }
  .pt-step::before { content: ""; position: absolute; left: -3.5px; top: -25.5px; width: 8px; height: 8px; background: var(--accent); }
}
.pt-step { counter-increment: step; position: relative; }
.pt-step-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.pt-step-top b { font: 700 46px/1 var(--font-head); letter-spacing: -0.04em; color: transparent; -webkit-text-stroke: 1.5px var(--ink); }
.pt-step-top img { width: 48px; height: 48px; }
.pt-step h3 { font-size: 21px; margin: 0 0 8px; }
.pt-step p { margin: 0; color: var(--ink-2); font-size: 16px; }
@media (max-width: 899px) { .pt-steps { border-left: 1.5px solid var(--ink); padding-left: 22px; } .pt-step::before { content: ""; position: absolute; left: -29px; top: 14px; width: 12px; height: 12px; background: #fff; border: 1.5px solid var(--ink); } }
.pt-transp { margin-top: 56px; display: grid; gap: 18px 32px; padding: 26px 28px; border: 1.5px solid var(--ink); border-radius: var(--radius); background: #fff; position: relative; }
.pt-transp::before { content: ""; position: absolute; left: -1.5px; top: -1.5px; bottom: -1.5px; width: 6px; background: var(--accent); }
@media (min-width: 900px) { .pt-transp { grid-template-columns: 260px 1fr; align-items: start; } }
.pt-transp h3 { font-size: 22px; margin: 0; }
.pt-transp p { margin: 0; color: var(--ink-2); }
.pt-transp p strong { color: var(--ink); }

/* Tarifs */
.pt-price-grid { display: grid; gap: 36px; align-items: start; }
@media (min-width: 980px) { .pt-price-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 64px; } }
.pt-price-grid p { color: var(--ink-2); }
.pt-ptable-wrap { border: 1.5px solid var(--ink); background: #fff; margin: 0; box-shadow: var(--shadow); }
.pt-ptable { width: 100%; border-collapse: collapse; background: #fff; font-size: 15.5px; }
.pt-ptable caption { caption-side: bottom; text-align: left; font-size: 13.5px; line-height: 1.5; color: var(--muted); padding: 12px 18px 14px; }
.pt-ptable th, .pt-ptable td { padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.pt-ptable thead th { background: var(--navy); color: #fff; }
.pt-ptable thead th:last-child { text-align: right; }
.pt-ptable tbody tr:last-child > * { border-bottom: 1px solid var(--line); }
.pt-ptable tbody th { background: #fff; color: var(--ink); text-transform: none; letter-spacing: -0.01em; font: 600 16px/1.3 var(--font-head); }
.pt-ptable tbody th small { display: block; font: 400 13.5px/1.4 var(--font-body); color: var(--muted); margin-top: 3px; letter-spacing: 0; }
.pt-ptable td { text-align: right; font: 700 18px/1.2 var(--font-head); color: var(--ink); white-space: nowrap; letter-spacing: -0.01em; }
.pt-ptable td.soft { color: var(--accent-ink); }
.pt-ptable tbody tr:nth-child(even) th, .pt-ptable tbody tr:nth-child(even) td { background: #f6f9fc; }
@media (max-width: 560px) { .pt-ptable th, .pt-ptable td { padding: 13px 12px; } .pt-ptable td { font-size: 16px; white-space: normal; } }

/* Calendrier sur règle graduée */
.pt-dates h2 { color: #fff; }
.pt-cal { list-style: none; margin: 44px 0 0; padding: 0; display: grid; gap: 0; position: relative; }
.pt-cal li { position: relative; padding: 18px 0 18px 26px; }
@media (min-width: 980px) {
  .pt-cal { grid-template-columns: repeat(5, 1fr); padding-top: 30px; }
  .pt-cal::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 16px; background: repeating-linear-gradient(90deg, rgba(45, 212, 191, .9) 0 1px, transparent 1px 20%) left top / calc(100% + 1px) 16px no-repeat, repeating-linear-gradient(90deg, rgba(45, 212, 191, .45) 0 1px, transparent 1px 2.5%) left top / 100% 8px no-repeat; border-top: 1.5px solid var(--teal-hi); }
  .pt-cal li { padding: 0 24px 0 0; }
}
.pt-cal time, .pt-cal .pt-when { display: block; font: 700 22px/1.15 var(--font-head); color: #fff; letter-spacing: -0.02em; margin-bottom: 8px; }
.pt-cal p { margin: 0; font-size: 15.5px; color: var(--on-dark-2); }
.pt-cal sup { font-size: .55em; vertical-align: super; line-height: 0; margin-left: 1px; }
.pt-cal .pt-tag { display: inline-block; font: 700 11px/1 var(--font-head); letter-spacing: .12em; text-transform: uppercase; color: var(--navy); background: var(--teal-hi); padding: 5px 7px; margin-bottom: 12px; }
@media (max-width: 979px) {
  .pt-cal { border-left: 1.5px solid var(--teal-hi); }
  .pt-cal li::before { content: ""; position: absolute; left: -1px; top: 26px; width: 14px; height: 1.5px; background: var(--teal-hi); }
}
.pt-risk { margin-top: 48px; padding: 22px 24px; border: 1px solid rgba(143, 184, 232, .35); border-left: 4px solid var(--lbl-f); background: rgba(7, 26, 49, .5); border-radius: var(--radius); display: grid; gap: 8px 28px; }
@media (min-width: 900px) { .pt-risk { grid-template-columns: 220px 1fr; align-items: center; } }
.pt-risk b { font: 700 13px/1.3 var(--font-head); letter-spacing: .12em; text-transform: uppercase; color: #fff; }
.pt-risk p { margin: 0; color: var(--on-dark-2); }
.pt-risk a { color: var(--teal-hi); }

/* Guides, FAQ, sources de l'accueil */
.pt-guides .related { margin-top: 0; }
@media (min-width: 980px) { .pt-guides .cards { grid-template-columns: repeat(3, 1fr); } }
.pt-guides .related h2 { font-size: clamp(30px, 3.8vw, 46px); line-height: 1.06; letter-spacing: -0.03em; margin-bottom: 26px; }
.pt-faq { padding-top: 24px; }
.pt-faq-grid { display: grid; gap: 28px; }
@media (min-width: 980px) { .pt-faq-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 64px; align-items: start; } }
.pt-faq-grid .faq { margin-top: 0; max-width: none; }
.pt-faq-grid .faq h2 { display: none; }
.pt-faq-grid .sources { margin-top: 32px; }
.pt-faq-grid .sources h2 { font-size: 15px; font-family: var(--font-head); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }

/* Bandes de transition */
.pt-stripe { height: 6px; background: var(--stripe); }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }
.brand-footer .brand-logo { box-shadow: 0 0 0 1px rgba(185, 200, 218, .35); border-radius: 7px; }
@media (max-width: 600px) {
  .prose .table-wrap table:has(th:nth-child(3)) { min-width: 600px; }
  .prose .table-wrap { box-shadow: inset -12px 0 12px -12px rgba(11, 31, 58, .35); }
}