/* Fluxrepère · accueil, direction B v2 « le plan du circuit ».
   Une ligne = un sujet : 1 facture électronique (bleu), 2 marge (vert), 3 impayés (rouge), 4 trésorerie (ambre). */
:root {
  --fond: #f3f3ee; --blanc: #ffffff; --encre: #111418; --encre-2: #585e68; --filet: #d9dad2; --nuit: #0b1322;
  --l1: #2357d9; --l2: #0f9a66; --l3: #e0412f; --l4: #f2a400;
  --titre: 'Mona Sans', system-ui, sans-serif; --texte: 'Mona Sans', system-ui, sans-serif; --donnee: 'Martian Mono', ui-monospace, monospace;
  --gouttiere: clamp(16px, 4vw, 64px);
  --e: cubic-bezier(.16, 1, .3, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--fond); }
body { background: var(--fond); color: var(--encre); font: 400 17px/1.55 var(--texte); font-variation-settings: 'wdth' 100; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
.mono { font-family: var(--donnee); }
.visuel-masque { display: block; overflow: hidden; padding-bottom: .08em; margin-bottom: -.08em; }
.visuel-masque > span { display: block; }

/* ---------- En-tête, et la progression de lecture en ligne de métro ---------- */
.entete { position: fixed; inset: 0 0 auto 0; z-index: 40; display: flex; align-items: center; gap: 28px; padding: 16px var(--gouttiere); transition: background .4s, box-shadow .4s, padding .4s; }
.entete.colle { background: rgba(243, 243, 238, .92); backdrop-filter: blur(12px); box-shadow: 0 1px 0 var(--filet); padding-block: 12px; }
.marque { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 800 21px/1 var(--titre); font-variation-settings: 'wdth' 112; letter-spacing: -.03em; }
.marque svg { width: 34px; height: 26px; overflow: visible; }
.entete nav { display: flex; gap: 28px; margin-left: auto; font: 500 15px var(--texte); }
.entete nav a { text-decoration: none; position: relative; padding-block: 4px; }
.entete nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px; border-radius: 3px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .7s var(--e); }
.entete nav a:hover::after { transform: scaleX(1); transform-origin: left; }
.bouton-entete { display: inline-flex; align-items: center; gap: 10px; padding: 11px 16px 11px 12px; border-radius: 999px; background: var(--encre); color: var(--blanc); text-decoration: none; font: 600 14.5px var(--texte); }
.bouton-entete i { width: 20px; height: 20px; border-radius: 50%; background: var(--l1); display: grid; place-items: center; font: 800 11px var(--titre); font-style: normal; }
.menu { display: none; margin-left: auto; border: 2px solid var(--encre); border-radius: 999px; padding: 7px 14px; font-weight: 600; font-size: 14px; }
.entete.sombre { background: rgba(11, 19, 34, .9); color: #fff; box-shadow: 0 1px 0 rgba(255, 255, 255, .1); }
.entete.sombre .bouton-entete { background: #fff; color: var(--encre); }
.entete.sombre .progression b { background: #fff; }
.entete.sombre .progression i { border-color: #fff; background: var(--nuit); }
.progression { position: absolute; left: 0; right: 0; bottom: -2px; height: 4px; pointer-events: none; opacity: 0; transition: opacity .4s; }
.entete.colle .progression { opacity: 1; }
.progression b { position: absolute; inset: 0; background: var(--encre); transform-origin: left; transform: scaleX(0); border-radius: 4px; }
.progression i { position: absolute; top: 50%; left: 0; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; background: var(--blanc); border: 3px solid var(--encre); }

/* ---------- Accueil ---------- */
.hero { position: relative; min-height: 100svh; display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); grid-template-areas: 'tete tete' 'texte scene'; grid-template-rows: auto auto; gap: clamp(8px, 1.5vw, 24px) clamp(20px, 3vw, 48px); align-content: center; padding: clamp(96px, 11vh, 124px) var(--gouttiere) clamp(48px, 7vh, 72px); }
.hero-tete { position: relative; z-index: 2; }
.hero-tete { grid-area: tete; }
.hero-texte { grid-area: texte; align-self: start; padding-top: clamp(8px, 2vw, 28px); }
.scene { grid-area: scene; }
.surtitre { display: inline-flex; align-items: center; gap: 10px; font: 500 12px/1.3 var(--donnee); letter-spacing: .03em; text-transform: uppercase; color: var(--encre-2); }
.surtitre i { width: 11px; height: 11px; border-radius: 50%; border: 3px solid var(--encre); background: var(--blanc); }
.titre { margin-top: 16px; font: 850 clamp(34px, 6.5vw, 100px)/.9 var(--titre); font-variation-settings: 'wdth' 108; letter-spacing: -.055em; }
.titre .ligne { display: block; }
.fente { position: relative; display: inline-block; vertical-align: top; overflow: hidden; padding-bottom: .1em; margin-bottom: -.1em; white-space: nowrap; color: var(--c, var(--l1)); transition: color .6s var(--e); }
.fente .mot { display: inline-block; }
.souligne { position: absolute; left: 0; height: .16em; pointer-events: none; overflow: visible; }
.souligne path { fill: none; stroke: var(--c, var(--l1)); stroke-width: 9; stroke-linecap: round; transition: stroke .6s var(--e); }
.sous-titre { margin-top: 0; font: 700 clamp(24px, 2.5vw, 40px)/1.08 var(--titre); font-variation-settings: 'wdth' 104; letter-spacing: -.035em; max-width: 19ch; }
.lignes-choix { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 28px; }
.badge { position: relative; display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px 7px 7px; border-radius: 999px; border: 2px solid var(--filet); background: var(--blanc); font: 600 14.5px var(--texte); transition: border-color .4s, background .4s, color .4s; }
.badge b { position: relative; width: 26px; height: 26px; border-radius: 50%; background: var(--c); color: var(--blanc); display: grid; place-items: center; font: 800 13px var(--titre); }
.badge b svg { position: absolute; inset: -5px; width: 36px; height: 36px; transform: rotate(-90deg); }
.badge b svg circle { fill: none; stroke: var(--c); stroke-width: 2.4; stroke-dasharray: 100 102; stroke-dashoffset: 100; } /* 102 : aucun trait résiduel à 0 % */
.badge[aria-selected="true"] { border-color: var(--encre); }
.badge:hover { border-color: var(--encre); }
.badge:focus-visible { outline: 3px solid var(--c); outline-offset: 3px; }
.chapo { max-width: 46ch; margin-top: 26px; color: var(--encre-2); font-size: clamp(16px, 1.25vw, 18.5px); }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 22px; margin-top: 26px; }
.bouton { display: inline-flex; align-items: center; gap: 14px; padding: 17px 20px 17px 24px; border-radius: 999px; background: var(--encre); color: var(--blanc); text-decoration: none; font: 650 16px var(--texte); overflow: hidden; position: relative; isolation: isolate; }
.bouton { transition: background-color .45s var(--e); }
.bouton::before { content: none; }
.bouton:hover { background: #24303f; }
.bouton i { width: 26px; height: 26px; border-radius: 50%; background: var(--blanc); color: var(--encre); display: grid; place-items: center; font-style: normal; overflow: hidden; }
.bouton i b { display: block; transition: transform .7s var(--e); }
.bouton:hover i b { transform: translateX(3px); }
.lien { font-weight: 650; text-decoration: none; border-bottom: 2px solid currentColor; padding-bottom: 2px; }

/* La scène : un seul réseau qui se transforme selon le sujet choisi */
.scene { position: relative; align-self: start; justify-self: end; width: 100%; max-width: 660px; display: grid; align-content: start; }
.scene svg { width: 100%; height: auto; overflow: visible; display: block; }
.scene .trace { fill: none; stroke-width: 12; stroke-linecap: round; stroke-linejoin: round; }
.scene .arret { fill: var(--blanc); stroke: var(--encre); stroke-width: 4; }
.scene text { font-family: var(--texte); }
.scene .n { font: 650 15px var(--texte); fill: var(--encre); }
.scene .n-fort { font: 800 17px var(--titre); fill: var(--encre); letter-spacing: -.02em; }
.scene .d { font: 500 11.5px var(--donnee); fill: var(--encre-2); }
.scene .gros { font: 850 46px var(--titre); letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.scene .moyen { font: 800 24px var(--titre); letter-spacing: -.035em; font-variant-numeric: tabular-nums; }
.scene .crochet { fill: none; stroke: var(--encre); stroke-width: 1.6; }
.scene .grad { stroke: var(--encre-2); stroke-width: 1.5; }
.scene .vue { opacity: 0; }
.scene .jeton rect { fill: var(--blanc); stroke: var(--l1); stroke-width: 2.5; }
.scene .jeton path { stroke: var(--l1); stroke-width: 1.7; fill: none; }
.legende { display: grid; gap: 6px; min-height: 64px; margin-top: 10px; }
.legende p { grid-area: 1 / 1; font: 400 12px/1.6 var(--donnee); color: var(--encre-2); opacity: 0; max-width: 64ch; }
.legende a { text-underline-offset: 3px; }
.defile { position: absolute; left: var(--gouttiere); bottom: 22px; display: flex; flex-direction: column; align-items: center; gap: 8px; font: 500 11px var(--donnee); text-transform: uppercase; letter-spacing: .08em; color: var(--encre-2); }
.defile i { width: 4px; height: 38px; border-radius: 4px; background: var(--filet); position: relative; overflow: hidden; }
.defile i::after { content: ''; position: absolute; inset: 0; background: var(--encre); animation: descendre 2.2s var(--e) infinite; }
@keyframes descendre { from { transform: translateY(-100%); } to { transform: translateY(100%); } }

/* ---------- Bandeau d'information voyageurs ---------- */
.bandeau { background: var(--encre); color: var(--blanc); padding: 22px 0 18px; overflow: hidden; }
.piste { display: flex; width: max-content; will-change: transform; }
.fait { display: inline-flex; align-items: center; gap: 16px; padding-right: 44px; font: 650 clamp(20px, 2.1vw, 30px)/1.2 var(--titre); letter-spacing: -.025em; white-space: nowrap; }
.fait b { width: 26px; height: 26px; flex: none; border-radius: 50%; background: var(--c); display: grid; place-items: center; font: 800 13px var(--titre); color: var(--blanc); }
.fait em { font-style: normal; color: var(--c); }
.bandeau-sources { padding: 12px var(--gouttiere) 0; font: 400 11.5px/1.5 var(--donnee); color: rgba(255, 255, 255, .55); }

/* ---------- Sections ---------- */
.section { position: relative; padding: clamp(90px, 12vw, 170px) var(--gouttiere); }
.section-tete { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 30ch); gap: 24px 64px; align-items: end; margin-bottom: clamp(40px, 6vw, 80px); }
.numero { display: inline-flex; align-items: center; gap: 10px; font: 500 12px/1.3 var(--donnee); letter-spacing: .03em; text-transform: uppercase; color: var(--encre-2); margin-bottom: 18px; }
.numero b { width: 24px; height: 24px; border-radius: 50%; background: var(--c, var(--encre)); color: var(--blanc); display: grid; place-items: center; font: 800 12px var(--titre); }
.h2 { font: 850 clamp(40px, 5.6vw, 92px)/.92 var(--titre); font-variation-settings: 'wdth' 106; letter-spacing: -.05em; }
/* Les masques de SplitText (une boîte par ligne ou par lettre) suivent la hauteur de ligne, plus courte que les lettres :
   sans cette marge ils coupaient les jambages (q, p, g, j) et les accents des capitales (É). */
.h2 > div, .nuit h2 > div, .pied-marque > div { padding-block: .2em .24em; margin-block: -.2em -.24em; }
.h2 em { font-style: normal; color: var(--c, var(--l1)); }
.section-tete p { color: var(--encre-2); font-size: clamp(16px, 1.2vw, 18px); }
.section-tete .numero { font-size: 12px; }

/* ---------- Le trajet d'une facture (épinglé) ---------- */
.trajet { padding: 0; background: var(--blanc); }
.trajet-cadre { position: relative; height: 100svh; min-height: 640px; overflow: hidden; display: grid; grid-template-rows: auto 1fr auto; padding: clamp(92px, 12vh, 120px) var(--gouttiere) clamp(28px, 4vh, 48px); }
.trajet .h2 { font-size: clamp(32px, 3.8vw, 62px); }
.trajet-tete { display: flex; justify-content: space-between; align-items: end; gap: 32px; }
.trajet-tete p { max-width: 36ch; color: var(--encre-2); }
.voie { position: relative; align-self: center; height: 460px; }
/* La voie glisse sous la facture : ses étiquettes s'effacent avant le bord au lieu d'y être coupées net. */
.voie { -webkit-mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent); }
.voie svg { position: absolute; left: 0; top: 150px; height: 340px; overflow: visible; will-change: transform; }
.voie .rail { stroke: var(--filet); stroke-width: 12; stroke-linecap: round; }
.voie .parcours { stroke: var(--encre); stroke-width: 12; stroke-linecap: round; }
.voie .retard { stroke: var(--l3); stroke-width: 12; stroke-linecap: round; }
.voie .grad { stroke: var(--encre-2); stroke-width: 1.5; }
.voie .arret { fill: var(--blanc); stroke: var(--encre); stroke-width: 4; }
.voie .n { font: 800 22px var(--titre); letter-spacing: -.03em; fill: var(--encre); }
.voie .d { font: 500 13px var(--donnee); fill: var(--encre-2); }
.voie .j { font: 500 12px var(--donnee); fill: var(--encre-2); }
.facture { position: absolute; left: clamp(150px, 24vw, 360px); bottom: 136px; width: 270px; translate: -50% 0; background: var(--blanc); border-radius: 6px; padding: 18px 18px 16px; box-shadow: 0 1px 0 rgba(0, 0, 0, .05), 0 22px 44px -18px rgba(17, 20, 24, .35), 0 3px 10px rgba(17, 20, 24, .06); border: 1px solid #e6e6df; z-index: 2; }
.facture::after { content: ''; position: absolute; left: 50%; bottom: -26px; width: 2px; height: 26px; background: var(--encre); translate: -50% 0; }
.facture-tete { display: flex; justify-content: space-between; font: 500 11px var(--donnee); color: var(--encre-2); text-transform: uppercase; letter-spacing: .04em; }
.facture h3 { margin-top: 10px; font: 800 22px/1 var(--titre); letter-spacing: -.035em; }
.facture dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; margin-top: 14px; font-size: 13.5px; }
.facture dt { color: var(--encre-2); }
.facture dd { text-align: right; font-weight: 650; font-variant-numeric: tabular-nums; }
.statut { display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; padding: 6px 12px 6px 6px; border-radius: 999px; background: var(--fond); font: 650 13px var(--texte); }
.statut b { width: 20px; height: 20px; border-radius: 50%; background: var(--c, var(--encre)); color: var(--blanc); display: grid; place-items: center; font: 800 11px var(--titre); transition: background .3s; }
.compteurs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.3fr); gap: clamp(16px, 2.4vw, 40px); align-items: end; }
.cpt { border-top: 3px solid var(--encre); padding-top: 12px; }
.cpt .v { font: 850 clamp(34px, 4.2vw, 68px)/1 var(--titre); letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.cpt .v.rouge { color: var(--l3); }
.cpt .l { margin-top: 8px; font: 500 11.5px/1.4 var(--donnee); text-transform: uppercase; color: var(--encre-2); letter-spacing: .03em; }
.trajet-note { font: 400 12px/1.6 var(--donnee); color: var(--encre-2); }
.trajet-note a { text-underline-offset: 3px; }

/* Compteur à rouleaux */
.odo { display: inline-flex; align-items: flex-start; white-space: nowrap; }
.odo .c { display: inline-block; height: 1em; overflow: hidden; line-height: 1; }
.odo .r { display: block; }
.odo .r span { display: block; height: 1em; line-height: 1; }
.odo .s { display: inline-block; line-height: 1; height: 1em; }

/* ---------- La ligne des outils ---------- */
.outils { background: var(--fond); }
.outils-ligne { position: relative; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(16px, 2vw, 32px); padding-top: 34px; perspective: 1200px; }
.outils-rail { position: absolute; left: 0; right: 0; top: 0; height: 12px; border-radius: 12px; background: var(--filet); overflow: hidden; }
.outils-rail i { position: absolute; inset: 0; background: linear-gradient(90deg, var(--l1) 0 33.3%, var(--l2) 33.3% 66.6%, var(--l3) 66.6%); transform: scaleX(0); transform-origin: left; }
.outil { position: relative; display: grid; grid-template-rows: auto auto 1fr auto; gap: 14px; padding: 28px 26px 24px; background: var(--blanc); border-radius: 18px; text-decoration: none; box-shadow: 0 1px 0 rgba(0, 0, 0, .04), 0 30px 60px -36px rgba(17, 20, 24, .35); transform-style: preserve-3d; min-height: 470px; }
.outil::before { content: ''; position: absolute; top: -43px; left: 26px; width: 30px; height: 30px; border-radius: 50%; background: var(--blanc); border: 4px solid var(--encre); }
.outil .numero { margin: 0; }
.outil h3 { font: 850 clamp(28px, 2.6vw, 42px)/.95 var(--titre); font-variation-settings: 'wdth' 104; letter-spacing: -.045em; }
.outil q { quotes: '« ' ' »'; color: var(--encre-2); font-size: 16px; }
.demo { align-self: end; border-radius: 12px; background: var(--fond); padding: 16px; min-height: 180px; font-size: 14px; }
.demo .ligne-demo { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--filet); }
.demo .ligne-demo:last-child { border-bottom: 0; }
.etat { flex: none; font: 500 11px var(--donnee); padding: 3px 8px; border-radius: 999px; background: var(--blanc); border: 1.5px solid currentColor; white-space: nowrap; }
.etat.prep { color: var(--l4); } .etat.conf { color: var(--l1); } .etat.decl { color: var(--l2); }
.demo .gros { font: 850 44px/1 var(--titre); letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.demo .petit { font: 500 11.5px/1.5 var(--donnee); color: var(--encre-2); }
.demo .triple { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 14px; }
.demo .triple div { font: 800 20px/1 var(--titre); letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.demo .triple small { display: block; margin-top: 6px; font: 500 10.5px/1.3 var(--donnee); color: var(--encre-2); text-transform: uppercase; }
.outil .ouvrir { display: inline-flex; gap: 8px; font-weight: 700; }
.outil .ouvrir i { font-style: normal; transition: transform .7s var(--e); }
.outil:hover .ouvrir i { transform: translateX(6px); }

/* ---------- Outil 2, en vrai ---------- */
.marge { background: var(--blanc); }
.marge-grille { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(28px, 5vw, 90px); align-items: start; }
.saisie { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.champ label { display: block; font: 500 12px/1.3 var(--donnee); letter-spacing: .03em; text-transform: uppercase; color: var(--encre-2); margin-bottom: 8px; }
.champ .boite { display: flex; align-items: baseline; border: 2px solid var(--encre); border-radius: 16px; padding: 6px 18px; background: var(--blanc); transition: box-shadow .3s; }
.champ .boite:focus-within { box-shadow: 0 0 0 5px rgba(15, 154, 102, .18); border-color: var(--l2); }
.champ input { flex: 1; min-width: 0; width: 100%; border: 0; background: none; font: 800 clamp(30px, 3vw, 44px)/1.2 var(--titre); letter-spacing: -.04em; color: var(--encre); font-variant-numeric: tabular-nums; }
.champ input:focus { outline: none; }
.champ .unite { font: 500 15px var(--donnee); color: var(--encre-2); white-space: nowrap; padding-left: 8px; }
.champ .aide { margin-top: 8px; font-size: 14px; color: var(--encre-2); }
.erreur { min-height: 1.4em; font: 500 13px var(--donnee); color: var(--l3); }
.barre svg { width: 100%; height: auto; overflow: visible; display: block; }
.barre .t { font: 500 12px var(--donnee); fill: var(--encre-2); }
.barre .tf { font: 800 16px var(--titre); fill: var(--encre); letter-spacing: -.02em; }
.resultats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 30px; }
.resultat { border-top: 3px solid var(--c, var(--encre)); padding-top: 12px; }
.resultat .v { font: 850 clamp(32px, 3.4vw, 56px)/1 var(--titre); letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.resultat .l { margin-top: 8px; font: 500 11.5px/1.4 var(--donnee); text-transform: uppercase; color: var(--encre-2); letter-spacing: .03em; }
.resultat .calc { margin-top: 8px; font: 400 12.5px/1.5 var(--donnee); color: var(--encre-2); }
.source { margin-top: 18px; font: 400 12px/1.6 var(--donnee); color: var(--encre-2); max-width: 72ch; }
.source a { text-underline-offset: 3px; }

/* ---------- Méthode ---------- */
.methode-grille { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(28px, 5vw, 90px); }
.methode-grille .h2 { font-size: clamp(36px, 4.3vw, 70px); }
.principes { position: relative; padding-left: 64px; }
.principes .rail-v { position: absolute; left: 14px; top: 10px; bottom: 10px; width: 12px; border-radius: 12px; background: var(--filet); overflow: hidden; }
.principes .rail-v i { position: absolute; inset: 0; background: var(--encre); transform: scaleY(0); transform-origin: top; }
.principe { position: relative; padding: 4px 0 52px; }
.principe:last-child { padding-bottom: 0; }
.principe::before { content: ''; position: absolute; left: -59px; top: 2px; width: 30px; height: 30px; border-radius: 50%; background: var(--blanc); border: 4px solid var(--encre); }
.principe h3 { font: 800 clamp(22px, 2vw, 30px)/1.1 var(--titre); letter-spacing: -.035em; }
.principe p { margin-top: 10px; color: var(--encre-2); max-width: 52ch; }

/* ---------- La nuit : le compte à rebours ---------- */
.nuit { background: var(--nuit); color: var(--blanc); overflow: hidden; }
.nuit .reseau { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .62; }
/* Un voile de nuit derrière chaque colonne de texte : les lignes du réseau passent dessous, jamais à travers les mots.
   Il était posé sur .nuit-contenu, donc peint par-dessus le paragraphe et la source (éléments non positionnés). */
.nuit-contenu > div { position: relative; z-index: 0; }
.nuit-contenu > div::before { content: ''; position: absolute; inset: -56px -72px; z-index: -1; pointer-events: none; background: radial-gradient(closest-side, rgba(11, 19, 34, .97) 62%, rgba(11, 19, 34, 0)); }
.nuit-contenu > div:first-child::before { inset: -40px -40px auto; height: 140px; }
.nuit .reseau path { fill: none; stroke-width: 10; stroke-linecap: round; stroke-linejoin: round; }
.nuit .reseau .halo { stroke-width: 26; opacity: .22; filter: blur(10px); }
.nuit-contenu { position: relative; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 40px; align-items: end; }
.nuit .numero { color: rgba(255, 255, 255, .6); }
.geant { font: 900 clamp(110px, 21vw, 360px)/.8 var(--titre); font-variation-settings: 'wdth' 112; letter-spacing: -.07em; font-variant-numeric: tabular-nums; }
.geant .s { color: rgba(255, 255, 255, .35); }
.nuit h2 { font: 800 clamp(26px, 2.6vw, 42px)/1.05 var(--titre); letter-spacing: -.035em; margin-top: 20px; max-width: 22ch; }
.nuit p { color: rgba(255, 255, 255, .8); margin-top: 16px; max-width: 46ch; }
.nuit .bouton { background: var(--blanc); color: var(--encre); margin-top: 28px; }
.nuit .bouton::before { background: var(--l1); }
.nuit .bouton:hover { color: var(--blanc); }
.nuit .bouton i { background: var(--encre); color: var(--blanc); }
.nuit .source { color: rgba(255, 255, 255, .5); }

/* ---------- Pied ---------- */
.pied { background: var(--nuit); color: rgba(255, 255, 255, .72); padding: 0 var(--gouttiere) 40px; }
.pied-colonnes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; padding: 56px 0 40px; border-top: 1px solid rgba(255, 255, 255, .12); }
.pied-colonnes p { font: 500 11.5px var(--donnee); text-transform: uppercase; letter-spacing: .05em; color: rgba(255, 255, 255, .45); margin-bottom: 14px; }
.pied-colonnes nav { display: grid; gap: 8px; }
.pied-colonnes a { text-decoration: none; }
.pied-colonnes a:hover { color: var(--blanc); }
.pied-mention { font-size: 14px; max-width: 80ch; padding-bottom: 28px; }
.pied-marque { display: block; font: 900 clamp(64px, 14vw, 230px)/.8 var(--titre); font-variation-settings: 'wdth' 112; letter-spacing: -.07em; color: var(--blanc); text-decoration: none; padding-bottom: 20px; }
.pied-bas { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font: 400 12px var(--donnee); color: rgba(255, 255, 255, .45); }
.pastille { position: fixed; right: 14px; bottom: 14px; z-index: 50; font: 500 11px var(--donnee); text-transform: uppercase; background: var(--encre); color: var(--blanc); padding: 7px 11px; border-radius: 999px; }

/* ---------- Téléphone et tablette ---------- */
@media (max-width: 960px) {
  .entete nav, .bouton-entete { display: none; } .menu { display: block; }
  .hero { grid-template-columns: minmax(0, 1fr); grid-template-areas: 'tete' 'texte' 'scene'; min-height: 0; padding-top: 104px; }
  .section-tete, .marge-grille, .methode-grille, .nuit-contenu { grid-template-columns: minmax(0, 1fr); }
  .outils-ligne { grid-template-columns: minmax(0, 1fr); padding-top: 0; padding-left: 52px; }
  .outils-rail { left: 14px; right: auto; top: 0; bottom: 0; width: 12px; height: auto; }
  .outils-rail i { background: linear-gradient(180deg, var(--l1) 0 33.3%, var(--l2) 33.3% 66.6%, var(--l3) 66.6%); transform: scaleY(0); transform-origin: top; }
  .outil { min-height: 0; }
  .outil::before { top: 26px; left: -61px; }
  .trajet-cadre { height: auto; min-height: 0; padding-top: 90px; padding-bottom: 72px; gap: 28px; }
  .trajet-tete { flex-direction: column; align-items: start; }
  .voie { height: 430px; }
  .voie svg { top: 140px; }
  .facture { left: 50%; bottom: 116px; width: min(260px, 78vw); }
  .compteurs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .compteurs .trajet-note { grid-column: 1 / -1; }
  .pied-colonnes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .defile { display: none; }
}
@media (max-width: 600px) {
  .resultats { grid-template-columns: minmax(0, 1fr); }
  .compteurs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scene .n { font-size: 18px; } .scene .n-fort { font-size: 20px; } .scene .d { font-size: 14px; }
  .demo .triple div { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  .defile i::after { animation: none; }
  .bouton::before, .entete nav a::after, .outil .ouvrir i, .bouton i b { transition: none; }
}