/* HeatSync — site public heatsync.ca (maquette, octobre 2026)
   Concept : « le froid dehors, la chaleur dedans ».
   Rouge = la marque (logo) · Ambre = l'action (comme dans le hub) · Givre = l'hiver dehors · Nuit = le fond. */

:root{
  /* Marque — échantillonnée du logo */
  --rouge:#DC0A1C;
  --braise:#F2541B;
  --ambre:#F5B300;
  /* Hiver */
  --nuit-950:#060A13;
  --nuit-900:#0A1120;
  --nuit-800:#101A2E;
  --nuit-700:#1A2742;
  --givre:#9DB8D6;
  --glace:#E4ECF6;
  --neige:#F5F8FC;
  /* Texte */
  --clair:#EEF2F7;
  --clair-2:#A9B6C9;
  --encre:#0E1525;
  --ardoise:#526178;
  /* Dégradés */
  --chaleur:linear-gradient(100deg,var(--rouge) 0%,var(--braise) 50%,var(--ambre) 100%);
  --chaleur-bouton:linear-gradient(100deg,#FFC21A 0%,#FF8A1F 100%);
  /* Typo */
  --f-titre:"Poppins",system-ui,sans-serif;
  --f-texte:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-etroite:"Barlow Condensed","Arial Narrow",sans-serif;
  /* Rythme */
  --rayon:20px;
  --conteneur:1200px;
  --entete-h:76px;
  --sortie:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;background:var(--nuit-900);color:var(--clair);font:400 17px/1.65 var(--f-texte);-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--f-titre);margin:0;line-height:1.1;letter-spacing:-.02em;text-wrap:balance}
p{margin:0;text-wrap:pretty}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--ambre);outline-offset:3px;border-radius:8px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.conteneur{width:100%;max-width:var(--conteneur);margin-inline:auto;padding-inline:24px}

/* ---------- Petits éléments communs ---------- */
.surtitre{display:inline-flex;align-items:center;gap:12px;font:600 15px/1 var(--f-etroite);letter-spacing:.18em;text-transform:uppercase;color:var(--ambre)}
.surtitre::before{content:"";width:30px;height:2px;border-radius:2px;background:var(--chaleur)}
.clair-section .surtitre{color:var(--rouge)}
.titre-section{font-size:clamp(2rem,4.2vw,3.4rem);font-weight:700;margin:18px 0 22px;max-width:20ch}
.chapeau{font-size:clamp(1.05rem,1.35vw,1.2rem);color:var(--clair-2);max-width:62ch}
.clair-section .chapeau{color:var(--ardoise)}
.texte-chaud{background:var(--chaleur);-webkit-background-clip:text;background-clip:text;color:transparent}
.texte-chaud.coule{background-image:linear-gradient(100deg,var(--rouge),var(--braise),var(--ambre),var(--braise),var(--rouge));background-size:200% 100%;animation:coule 7s linear infinite}
@keyframes coule{to{background-position:-200% 0}}

.btn{--h:52px;position:relative;isolation:isolate;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;gap:10px;height:var(--h);padding:0 26px;border-radius:999px;border:1px solid transparent;font:600 16px/1 var(--f-texte);text-decoration:none;cursor:pointer;white-space:nowrap;transition:transform .3s var(--sortie),box-shadow .3s,background-color .3s,border-color .3s}
.btn i{font-size:20px;transition:transform .3s var(--sortie)}
.btn:hover i.ti-arrow-right{transform:translateX(4px)}
.btn-chaud{background:var(--chaleur-bouton);color:#1A0E00;box-shadow:0 10px 36px -10px rgba(242,84,27,.6)}
.btn-chaud::before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.6) 50%,transparent 70%);transform:translateX(-120%);transition:transform .8s var(--sortie)}
.btn-chaud:hover{transform:translateY(-2px);box-shadow:0 18px 50px -12px rgba(242,84,27,.8)}
.btn-chaud:hover::before{transform:translateX(120%)}
.btn-givre{background:rgba(157,184,214,.08);color:#fff;border-color:rgba(157,184,214,.35);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.btn-givre:hover{background:rgba(157,184,214,.16);border-color:var(--givre)}
.btn-petit{--h:42px;padding:0 18px;font-size:15px}

.point-vivant{position:relative;width:8px;height:8px;border-radius:50%;background:#3DDC97;flex:none}
.point-vivant::after{content:"";position:absolute;inset:0;border-radius:50%;background:inherit;animation:pouls 2s ease-out infinite}
@keyframes pouls{to{transform:scale(3);opacity:0}}

/* Grain photo sur les sections foncées */
.grain{position:relative}
.grain::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

/* Apparition au défilement (seulement si le JS roule) */
.js [data-apparait]{opacity:0;transform:translateY(32px);transition:opacity .9s var(--sortie) var(--delai,0s),transform .9s var(--sortie) var(--delai,0s)}
.js [data-apparait].visible{opacity:1;transform:none}

/* Entrée du haut de page : au chargement, sans attendre le JS */
.entree{animation:entree 1s var(--sortie) both;animation-delay:var(--delai,0s)}
@keyframes entree{from{opacity:0;transform:translateY(28px)}}

/* ---------- Barre de progression + en-tête ---------- */
.progression{position:fixed;inset:0 0 auto 0;height:3px;z-index:70;background:var(--chaleur);transform-origin:0 50%;transform:scaleX(var(--p,0))}
.entete{position:fixed;inset:0 0 auto 0;z-index:60;height:var(--entete-h);display:flex;align-items:center;transition:height .4s var(--sortie),background-color .4s,box-shadow .4s}
.entete.defile{--entete-h:64px;background:rgba(8,13,25,.74);-webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);box-shadow:0 1px 0 rgba(157,184,214,.12)}
.entete .conteneur{display:flex;align-items:center;gap:24px}
.marque{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none}
.marque-symbole{width:46px;height:46px;filter:drop-shadow(0 0 14px rgba(242,84,27,.5));will-change:transform}
.marque-texte{height:32px;width:auto;transition:height .4s var(--sortie)}
.entete.defile .marque-symbole{width:40px;height:40px}
.entete.defile .marque-texte{height:28px}
.nav{display:flex;gap:2px;margin-left:auto}
.nav a{position:relative;padding:10px 12px;border-radius:8px;font:500 15px/1 var(--f-texte);color:var(--clair-2);text-decoration:none;transition:color .2s}
.nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;border-radius:2px;background:var(--chaleur);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--sortie)}
.nav a:hover,.nav a.actif{color:#fff}
.nav a:hover::after,.nav a.actif::after{transform:scaleX(1)}
.burger{display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;border:1px solid rgba(157,184,214,.25);background:rgba(157,184,214,.06);color:#fff;font-size:24px;align-items:center;justify-content:center;cursor:pointer}
.menu-mobile{position:fixed;inset:0;z-index:55;background:rgba(6,10,19,.97);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;justify-content:center;gap:6px;padding:96px 28px 40px;opacity:0;visibility:hidden;transition:opacity .35s,visibility .35s}
.menu-mobile a{font:700 clamp(1.8rem,8vw,2.6rem)/1.25 var(--f-titre);color:#fff;text-decoration:none;opacity:0;transform:translateY(16px);transition:opacity .4s var(--sortie),transform .4s var(--sortie)}
.menu-mobile a:hover{color:var(--ambre)}
.menu-mobile .btn{margin-top:24px;align-self:flex-start;font:600 17px/1 var(--f-texte);color:#1A0E00}
.menu-ouvert .menu-mobile{opacity:1;visibility:visible}
.menu-ouvert .menu-mobile a{opacity:1;transform:none}
.menu-ouvert .menu-mobile a:nth-child(2){transition-delay:.05s}.menu-ouvert .menu-mobile a:nth-child(3){transition-delay:.1s}
.menu-ouvert .menu-mobile a:nth-child(4){transition-delay:.15s}.menu-ouvert .menu-mobile a:nth-child(5){transition-delay:.2s}
.menu-ouvert .menu-mobile a:nth-child(6){transition-delay:.25s}.menu-ouvert .menu-mobile a:nth-child(7){transition-delay:.3s}
.menu-ouvert{overflow:hidden}

/* ---------- Héros ---------- */
.heros{position:relative;min-height:min(100svh,660px);display:flex;align-items:center;overflow:hidden;background:var(--nuit-950);padding:calc(var(--entete-h) + 28px) 0 150px}
.heros-media{position:absolute;inset:-6% 0 0 0;z-index:0;transform:translate3d(0,var(--parallaxe,0px),0)}
.heros-media img{width:100%;height:100%;object-fit:cover;object-position:68% 50%;filter:saturate(1.12) contrast(1.06)}
.heros-voile{position:absolute;inset:0;z-index:1;pointer-events:none;background:
  linear-gradient(90deg,rgba(6,10,19,.95) 0%,rgba(6,10,19,.82) 34%,rgba(6,10,19,.32) 62%,rgba(6,10,19,.18) 100%),
  linear-gradient(180deg,rgba(6,10,19,.55) 0%,transparent 22%,transparent 62%,rgba(6,10,19,.9) 100%)}
.heros-vortex{position:absolute;z-index:1;width:min(70vw,900px);aspect-ratio:1;right:-18vw;top:50%;margin-top:calc(min(70vw,900px) / -2);opacity:.13;filter:blur(28px) saturate(1.4);pointer-events:none;will-change:transform}
.heros-particules{position:absolute;inset:0;z-index:2;width:100%;height:100%;pointer-events:none}
.heros-contenu{position:relative;z-index:3;max-width:1120px}
.heros h1{font-size:clamp(2.5rem,5vw,4.4rem);font-weight:800;line-height:1.02;letter-spacing:-.03em;margin:20px 0 22px}
.heros-intro{font-size:clamp(1.05rem,1.45vw,1.22rem);color:#C9D4E3;max-width:84ch}
.heros-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.heros-puces{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.puce{display:inline-flex;align-items:center;gap:9px;padding:9px 16px 9px 12px;border-radius:999px;background:rgba(10,17,32,.55);border:1px solid rgba(157,184,214,.18);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:14px;color:#D5DEEA}
.puce i{font-size:19px;color:var(--ambre)}
.puce b{font:700 19px/1 var(--f-etroite);letter-spacing:.02em;color:#fff}
.heros .surtitre .point-vivant{margin-right:2px}
.heros .surtitre::before{display:none}


.defiler{position:absolute;z-index:3;left:50%;bottom:132px;transform:translateX(-50%);display:none;flex-direction:column;align-items:center;gap:10px;font:600 12px/1 var(--f-etroite);letter-spacing:.2em;text-transform:uppercase;color:var(--clair-2);text-decoration:none}
.defiler span{width:24px;height:38px;border-radius:14px;border:2px solid rgba(157,184,214,.45);position:relative}
.defiler span::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--ambre);animation:molette 1.8s var(--sortie) infinite}
@keyframes molette{0%{opacity:0;transform:translateY(-3px)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}
.congere{position:absolute;z-index:4;left:0;right:0;bottom:-1px;width:100%;height:120px;color:var(--neige)}

/* ---------- Section technologie (claire) ---------- */
.clair-section{background:var(--neige);color:var(--encre)}
.section{position:relative;padding:clamp(52px,6.5vw,96px) 0}
.techno-tete{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:end;margin-bottom:36px}
.techno-tete .chapeau+.chapeau{margin-top:14px}
.schema{position:relative;background:#fff;border:1px solid rgba(14,21,37,.07);border-radius:28px;padding:34px 36px;box-shadow:0 40px 80px -50px rgba(14,21,37,.35)}
.voie{display:grid;grid-template-columns:190px 1fr 120px;align-items:center;gap:24px;padding:26px 0}
.voie+.voie{border-top:1px dashed rgba(14,21,37,.14)}
.voie-tag{display:flex;align-items:center;gap:10px;font:600 13px/1.2 var(--f-etroite);letter-spacing:.14em;text-transform:uppercase;color:var(--ardoise)}
.voie-tag img,.voie-tag .hs-logo{width:28px;height:28px}
.heros-vortex.hs-logo{width:min(70vw,900px);height:auto}  /* logo-anime.css fixe .hs-logo à 46 px ; le vortex garde sa taille */
.voie-hs .voie-tag{color:var(--encre)}
.flux{display:flex;align-items:flex-start}
.noeud{position:relative;flex:none;width:104px;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;font:600 14px/1.25 var(--f-texte);color:var(--encre)}
.noeud>i{display:grid;place-items:center;width:62px;height:62px;border-radius:18px;font-size:28px;background:var(--neige);border:1px solid rgba(14,21,37,.09);color:var(--ardoise);transition:transform .4s var(--sortie)}
.noeud:hover>i{transform:translateY(-4px) rotate(-4deg)}
.voie-conv .noeud{color:var(--ardoise)}
.voie-hs .noeud-energie>i{color:#3F6FA8;background:#EAF2FB;border-color:#CFE0F3}
.voie-hs .noeud-calcul>i{color:#fff;background:var(--encre);border-color:var(--encre);box-shadow:0 12px 30px -10px rgba(14,21,37,.6)}
.voie-hs .noeud-chaleur>i{color:#fff;background:var(--chaleur);border:0;box-shadow:0 12px 30px -8px rgba(242,84,27,.65)}
.voie-hs .noeud-batiment>i{color:var(--rouge);background:#FFF1EC;border-color:#FFD9CC}
.revenu{position:absolute;top:-30px;left:50%;transform:translateX(-50%);display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;background:#EAF9F1;color:#0F7A4E;border:1px solid #BFEBD5;font:700 12px/1 var(--f-texte);white-space:nowrap}
.revenu i{font-size:14px}
.piece{position:absolute;top:-30px;left:50%;font:800 13px/1 var(--f-texte);color:#17A86B;opacity:0;animation:piece 2.6s ease-out infinite}
.piece:nth-of-type(2){animation-delay:.9s;margin-left:16px}
.piece:nth-of-type(3){animation-delay:1.7s;margin-left:-20px}
@keyframes piece{0%{opacity:0;transform:translateY(0)}20%{opacity:1}100%{opacity:0;transform:translateY(-34px)}}
.fil{position:relative;flex:1;min-width:20px;height:2px;margin-top:31px;background:repeating-linear-gradient(90deg,rgba(14,21,37,.22) 0 6px,transparent 6px 12px)}
.impulsion{position:absolute;top:50%;left:0;width:10px;height:10px;margin:-5px 0 0 -5px;border-radius:50%;background:var(--ambre);box-shadow:0 0 0 4px rgba(245,179,0,.18),0 0 16px 3px rgba(245,179,0,.7);animation:file 2.4s linear infinite}
.impulsion.elec{background:#5B8FD0;box-shadow:0 0 0 4px rgba(91,143,208,.18),0 0 16px 3px rgba(91,143,208,.7)}
.impulsion.retard{animation-delay:1.2s}
.voie-conv .impulsion{background:#9AA6B6;box-shadow:none}
@keyframes file{0%{left:0;opacity:0}10%{opacity:1}90%{opacity:1}100%{left:100%;opacity:0}}
.bilan{text-align:right;font:600 13px/1.2 var(--f-etroite);letter-spacing:.12em;text-transform:uppercase;color:var(--ardoise)}
.bilan b{display:block;font:700 46px/1 var(--f-etroite);letter-spacing:0;color:#B4BDC9}
.voie-hs .bilan b{background:var(--chaleur);-webkit-background-clip:text;background-clip:text;color:transparent}
.techno-pied{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-top:32px}
.techno-pied p{font-size:clamp(1.1rem,1.6vw,1.35rem);font-weight:500;max-width:52ch}
.techno-pied strong{color:var(--rouge)}

/* ---------- Ruban ---------- */
.ruban-zone{position:relative;z-index:5;height:150px;margin:-75px 0;overflow:hidden;pointer-events:none}
.ruban{position:absolute;left:-5%;width:110%;top:50%;padding:16px 0;display:flex;overflow:hidden}
.ruban-a{background:var(--chaleur);transform:translateY(-50%) rotate(-2.4deg);box-shadow:0 20px 50px -20px rgba(220,10,28,.6)}
.ruban-b{background:var(--nuit-700);transform:translateY(-50%) rotate(2deg);opacity:.9}
.ruban-piste{display:flex;flex:none;gap:34px;padding-right:34px;align-items:center;animation:ruban 38s linear infinite;white-space:nowrap}
.ruban-b .ruban-piste{animation-direction:reverse;animation-duration:46s}
.ruban span{display:inline-flex;align-items:center;gap:12px;font:700 30px/1 var(--f-etroite);letter-spacing:.06em;text-transform:uppercase;color:#1A0700}
.ruban span i{font-size:26px}
.ruban-b span{color:transparent;-webkit-text-stroke:1px rgba(157,184,214,.55)}
.ruban-b span i{color:rgba(157,184,214,.45)}
.ruban .etoile{font-size:20px;opacity:.6}
@keyframes ruban{to{transform:translateX(-100%)}}

/* ---------- Offre (foncée) ---------- */
.offre{background:radial-gradient(1000px 500px at 85% 10%,rgba(220,10,28,.16),transparent 60%),radial-gradient(800px 500px at 0% 100%,rgba(245,179,0,.08),transparent 60%),var(--nuit-900);padding-top:clamp(140px,15vw,200px)}
.offre-grille{display:grid;grid-template-columns:1fr 1.15fr;gap:24px;margin-top:36px}
.carte-sombre{position:relative;padding:40px;border-radius:28px;background:linear-gradient(180deg,rgba(26,39,66,.75),rgba(16,26,46,.75));border:1px solid rgba(157,184,214,.14);overflow:hidden}
.carte-sombre::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:linear-gradient(140deg,rgba(242,84,27,.55),transparent 35%,transparent 70%,rgba(157,184,214,.25));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.carte-sombre h3{font-size:clamp(1.3rem,2vw,1.6rem);font-weight:700;margin:6px 0 12px}
.carte-sombre p{color:var(--clair-2)}
.gros-chiffre{display:flex;align-items:flex-start;gap:6px;margin:18px 0 8px;font:700 clamp(6rem,13vw,10rem)/.85 var(--f-etroite);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.gros-chiffre span{background:var(--chaleur);-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 10px 40px rgba(242,84,27,.35))}
.gros-chiffre small{font-size:.42em;margin-top:.12em;color:var(--ambre)}
.cle-en-main{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px}
.cle-en-main li{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px 8px;border-radius:16px;background:rgba(157,184,214,.06);border:1px solid rgba(157,184,214,.12);font-size:14px;font-weight:500;color:#DCE4EF;transition:background-color .3s,transform .3s var(--sortie)}
.cle-en-main li:hover{background:rgba(242,84,27,.12);transform:translateY(-3px)}
.cle-en-main i{font-size:26px;color:var(--ambre)}
.barres{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:end;height:270px;margin:34px 0 14px;padding-bottom:34px;position:relative;background:repeating-linear-gradient(0deg,rgba(157,184,214,.08) 0 1px,transparent 1px 59px)}
.barre{position:relative;height:100%;display:flex;flex-direction:column;justify-content:flex-end;align-items:center}
.barre-col{width:100%;max-width:92px;height:0;border-radius:14px 14px 4px 4px;background:linear-gradient(180deg,var(--ambre),var(--braise) 45%,var(--rouge));box-shadow:0 0 40px -6px rgba(242,84,27,.55);transition:height 1.4s var(--sortie) var(--delai,0s);position:relative;overflow:hidden}
.barre-col::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.35),transparent 30%)}
.visible .barre-col{height:calc(var(--v) / 40 * 100%)}
.barre-val{font:700 34px/1 var(--f-etroite);margin-bottom:10px;color:#fff;font-variant-numeric:tabular-nums}
.barre-an{position:absolute;bottom:-30px;font:600 13px/1 var(--f-etroite);letter-spacing:.12em;text-transform:uppercase;color:var(--clair-2)}
.barre-revision .barre-col{background:repeating-linear-gradient(135deg,rgba(157,184,214,.18) 0 8px,rgba(157,184,214,.06) 8px 16px);border:1px dashed rgba(157,184,214,.45);box-shadow:none}
.barre-revision .barre-val{font-size:18px;letter-spacing:.08em;text-transform:uppercase;color:var(--givre)}
.note{font-size:13px;color:var(--clair-2);opacity:.8}

/* ---------- Avantages (clair) ---------- */
.avantages-grille{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.avantage{--x:50%;--y:50%;position:relative;padding:28px 24px 26px;border-radius:22px;background:#fff;border:1px solid rgba(14,21,37,.07);box-shadow:0 20px 40px -32px rgba(14,21,37,.35);overflow:hidden;transition:transform .45s var(--sortie),box-shadow .45s}
.avantage::before{content:"";position:absolute;inset:0;background:radial-gradient(260px circle at var(--x) var(--y),rgba(245,179,0,.16),transparent 60%);opacity:0;transition:opacity .3s}
.avantage:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(220,10,28,.35)}
.avantage:hover::before{opacity:1}
.avantage>*{position:relative}
.avantage i{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;font-size:26px;color:#fff;background:var(--chaleur);box-shadow:0 10px 24px -10px rgba(242,84,27,.7);margin-bottom:20px}
.avantage h3{font-size:1.12rem;font-weight:700;margin-bottom:8px}
.avantage p{font-size:15px;color:var(--ardoise);line-height:1.55}

/* ---------- Étapes (foncé) ---------- */
.etapes{overflow:hidden}
.etapes-fond{position:absolute;inset:0;background:url("../img/entrepot-hiver.webp") center 40%/cover no-repeat;opacity:.16;filter:grayscale(.3)}
.etapes::before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(180deg,var(--nuit-900) 0%,rgba(10,17,32,.6) 40%,rgba(10,17,32,.6) 60%,var(--nuit-900) 100%)}
.etapes .conteneur{position:relative;z-index:1}
.ligne-temps{--n:6;position:relative;display:grid;grid-template-columns:repeat(var(--n),1fr);gap:18px;margin-top:44px}
.ligne-temps::before,.ligne-temps::after{content:"";position:absolute;top:27px;left:calc(100% / var(--n) / 2);right:calc(100% / var(--n) / 2);height:2px;border-radius:2px}
.ligne-temps::before{background:rgba(157,184,214,.2)}
.ligne-temps::after{background:var(--chaleur);transform-origin:0 50%;transform:scaleX(var(--progression,0));box-shadow:0 0 18px rgba(242,84,27,.7)}
.etape{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center}
.etape-point{position:relative;z-index:1;display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--nuit-800);border:2px solid rgba(157,184,214,.25);font:700 20px/1 var(--f-etroite);color:var(--clair-2);transition:all .5s var(--sortie)}
.etape.atteinte .etape-point{border-color:transparent;background:var(--chaleur);color:#1A0700;box-shadow:0 0 0 6px rgba(242,84,27,.18),0 0 30px rgba(242,84,27,.6);transform:scale(1.06)}
.etape h3{font-size:1.05rem;font-weight:700;margin:22px 0 8px;transition:color .4s}
.etape p{font-size:14.5px;color:var(--clair-2);line-height:1.55}
.etape:not(.atteinte) h3{color:var(--clair-2)}

/* ---------- Surveillance (claire, tableau de bord) ---------- */
.surveillance{background:linear-gradient(180deg,var(--glace),var(--neige))}
.surv-grille{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.liste-coches{display:grid;gap:14px;margin-top:30px}
.liste-coches li{display:flex;gap:12px;align-items:flex-start;font-weight:500}
.liste-coches i{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#FFF1EC;color:var(--rouge);font-size:17px;margin-top:-1px}
.tableau-scene{perspective:1400px}
.tableau{border-radius:22px;background:var(--nuit-900);color:var(--clair);border:1px solid rgba(157,184,214,.18);box-shadow:0 60px 100px -50px rgba(10,17,32,.75),0 0 0 8px rgba(255,255,255,.5);overflow:hidden;transform:rotateX(16deg) rotateY(-14deg) translateY(40px);transition:transform 1.4s var(--sortie)}
.tableau-scene.visible .tableau{transform:rotateX(5deg) rotateY(-7deg)}
.tableau-scene.visible .tableau:hover{transform:none}
.tableau-barre{display:flex;align-items:center;gap:14px;padding:12px 16px;background:var(--nuit-950);border-bottom:1px solid rgba(157,184,214,.12);font:500 12.5px/1 var(--f-texte);color:var(--clair-2)}
.pastilles{display:flex;gap:6px}
.pastilles i{width:10px;height:10px;border-radius:50%;background:#2A3754}
.tableau-url{flex:1;text-align:center;padding:6px 10px;border-radius:8px;background:rgba(157,184,214,.07)}
.tableau-corps{padding:20px 22px 18px}
.tableau-tete{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.tableau-tete small{display:block;font-size:12px;color:var(--clair-2)}
.tableau-tete b{font:600 16px/1.3 var(--f-titre)}
.etat{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:rgba(61,220,151,.1);color:#7CE8B8;font-size:12.5px;font-weight:600}
.metriques{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.metrique{padding:12px 14px;border-radius:14px;background:rgba(157,184,214,.06);border:1px solid rgba(157,184,214,.1)}
.metrique small{display:block;font-size:11.5px;color:var(--clair-2);margin-bottom:4px}
.metrique b{font:700 24px/1 var(--f-etroite);font-variant-numeric:tabular-nums}
.metrique.chaud b{color:#FFB37A}
.metrique.froid b{color:var(--givre)}
.graphe{width:100%;height:auto;margin-top:14px}
.graphe .grille line{stroke:rgba(157,184,214,.1)}
.graphe .etiq{fill:#7F8DA3;font:500 10px var(--f-texte)}
.graphe .consigne{stroke:rgba(245,179,0,.55);stroke-dasharray:5 6}
.graphe .courbe{fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:var(--l,2000);stroke-dashoffset:var(--l,2000);transition:stroke-dashoffset 2.4s var(--sortie)}
.graphe .courbe-int{stroke:url(#degrade-chaud)}
.graphe .courbe-ext{stroke:var(--givre);stroke-width:2;transition-delay:.3s}
.graphe .aire{fill:url(#aire-chaude);opacity:0;transition:opacity 1.2s 1.2s}
.tableau-scene.visible .courbe{stroke-dashoffset:0}
.tableau-scene.visible .aire{opacity:1}
.legende{display:flex;gap:18px;flex-wrap:wrap;margin-top:6px;font-size:12px;color:var(--clair-2)}
.legende span{display:inline-flex;align-items:center;gap:7px}
.legende i{width:14px;height:3px;border-radius:2px;display:inline-block}
.tableau-note{margin-top:12px;font-size:11.5px;color:#76839A;display:flex;align-items:center;gap:6px}

/* ---------- Le saviez-vous ---------- */
.saviez{background:var(--nuit-950);padding:clamp(80px,9vw,120px) 0}
.saviez-grille{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:44px}
.fait{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center;padding:34px 36px;border-radius:26px;background:linear-gradient(135deg,rgba(26,39,66,.6),rgba(10,17,32,.4));border:1px solid rgba(157,184,214,.12)}
.fait-chiffre{font:700 clamp(4rem,7vw,5.6rem)/.9 var(--f-etroite);background:var(--chaleur);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;white-space:nowrap}
.fait p{color:#C9D4E3}
.fait p strong{color:#fff}

/* ---------- FAQ (claire) ---------- */
.faq-grille{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px;align-items:start}
.faq-cote{position:sticky;top:110px}
.faq-cote .btn{margin-top:30px}
.question{border-bottom:1px solid rgba(14,21,37,.1)}
.question summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 4px;cursor:pointer;list-style:none;font:600 clamp(1.05rem,1.4vw,1.2rem)/1.35 var(--f-titre);color:var(--encre);transition:color .2s}
.question summary::-webkit-details-marker{display:none}
.question summary:hover{color:var(--rouge)}
.question summary i{flex:none;display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid rgba(14,21,37,.1);font-size:18px;transition:transform .4s var(--sortie),background-color .3s,color .3s}
.question[open] summary i{transform:rotate(180deg);background:var(--encre);color:#fff;border-color:var(--encre)}
.question .reponse{padding:0 60px 26px 4px;color:var(--ardoise)}
.reponse ul{display:grid;gap:8px;margin-top:10px}
.reponse li{position:relative;padding-left:22px}
.reponse li::before{content:"";position:absolute;left:4px;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--chaleur);transform:rotate(45deg)}
.reponse p+p{margin-top:10px}
@supports (interpolate-size:allow-keywords){
  .question{interpolate-size:allow-keywords}
  .question::details-content{block-size:0;overflow:hidden;transition:block-size .45s var(--sortie),content-visibility .45s allow-discrete}
  .question[open]::details-content{block-size:auto}
}

/* ---------- Demande d'analyse (foncée) ---------- */
.analyse{overflow:hidden;background:var(--nuit-900)}
.analyse-fond{position:absolute;inset:0;background:url("../img/batiment-foret.webp") center/cover no-repeat;opacity:.22}
.analyse::before{content:"";position:absolute;inset:0;z-index:0;background:radial-gradient(900px 600px at 80% 60%,rgba(242,84,27,.2),transparent 60%),linear-gradient(180deg,var(--nuit-900),rgba(10,17,32,.82) 30%,rgba(10,17,32,.9))}
.analyse .conteneur{position:relative;z-index:1}
.analyse-grille{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.a-preparer{margin-top:30px;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.a-preparer li{display:flex;gap:10px;font-size:15px;color:#D5DEEA}
.a-preparer i{color:var(--ambre);font-size:18px;margin-top:3px}
.ps{margin-top:30px;padding:18px 20px;border-radius:16px;border:1px solid rgba(245,179,0,.3);background:rgba(245,179,0,.07);font-size:15px;color:#E9DFC6}
.formulaire{padding:34px;border-radius:28px;background:rgba(16,26,46,.78);border:1px solid rgba(157,184,214,.16);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);box-shadow:0 50px 100px -50px rgba(0,0,0,.9)}
.formulaire h3{font-size:1.4rem;margin-bottom:6px}
.formulaire>p{color:var(--clair-2);font-size:15px;margin-bottom:22px}
.champs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.champ{display:flex;flex-direction:column;gap:7px}
.champ.large{grid-column:1/-1}
.champ label{font-size:13px;font-weight:600;color:#C9D4E3}
.champ input,.champ select,.champ textarea{width:100%;font:inherit;font-size:15px;color:#fff;padding:12px 14px;border-radius:12px;border:1px solid rgba(157,184,214,.22);background:rgba(6,10,19,.55);transition:border-color .2s,box-shadow .2s}
.champ select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' stroke='%23A9B6C9' stroke-width='1.6' fill='none'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.champ select option{color:#000}
.champ textarea{min-height:110px;resize:vertical}
.champ input:focus,.champ select:focus,.champ textarea:focus{outline:none;border-color:var(--ambre);box-shadow:0 0 0 4px rgba(245,179,0,.15)}
.champ ::placeholder{color:#6F7D93}
.formulaire .btn{width:100%;margin-top:20px}
.form-note{margin-top:12px;font-size:12.5px;color:#7F8DA3;text-align:center}
.merci{display:none;text-align:center;padding:40px 10px}
.merci i{font-size:54px;color:#3DDC97}
.merci h3{margin:12px 0 8px}
.formulaire.envoye form{display:none}
.formulaire.envoye .merci{display:block}

/* ---------- Pied de page ---------- */
.pied{position:relative;overflow:hidden;background:var(--nuit-950);padding:64px 0 28px;border-top:1px solid rgba(157,184,214,.08)}
.pied-grille{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:48px}
.pied-logo{width:300px;max-width:100%}
.pied-grille p{color:var(--clair-2);font-size:15px;margin-top:18px;max-width:40ch}
.pied h4{font:600 13px/1 var(--f-etroite);letter-spacing:.18em;text-transform:uppercase;color:var(--ambre);margin:6px 0 18px}
.contact-ligne{display:flex;align-items:center;gap:14px;padding:10px 0;text-decoration:none;color:#fff;font-weight:500}
.contact-ligne i{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:rgba(157,184,214,.08);border:1px solid rgba(157,184,214,.14);font-size:20px;color:var(--ambre);transition:background-color .3s}
a.contact-ligne:hover i{background:rgba(242,84,27,.2)}
.pied .contact-ligne{margin-top:0;color:#fff;font-size:16px}
.pied-nav{display:grid;gap:10px}
.pied-nav a{color:var(--clair-2);text-decoration:none;font-size:15px}
.pied-nav a:hover{color:#fff}
.filigrane{margin-top:44px;font:800 clamp(4rem,17vw,15rem)/.8 var(--f-titre);letter-spacing:-.04em;text-align:center;color:transparent;-webkit-text-stroke:1px rgba(157,184,214,.14);background:linear-gradient(180deg,rgba(242,84,27,.18),transparent 75%);-webkit-background-clip:text;background-clip:text;user-select:none;white-space:nowrap}
.pied-bas{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(157,184,214,.08);font-size:13px;color:#6F7D93}

/* ---------- Bandeau « maquette » ---------- */
.maquette{position:fixed;z-index:80;left:16px;bottom:16px;display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(245,179,0,.95);color:#1A0E00;font:600 12.5px/1 var(--f-texte);box-shadow:0 10px 30px -10px rgba(0,0,0,.6)}

/* ---------- Adaptatif ---------- */
@media (max-width:1100px){
  .avantages-grille{grid-template-columns:repeat(2,1fr)}
  .offre-grille,.surv-grille,.analyse-grille,.faq-grille{grid-template-columns:1fr}
  .faq-cote{position:static}
  .surv-grille{gap:48px}
}
@media (max-width:980px){
  .nav,.entete .btn{display:none}
  .burger{display:inline-flex}
  .techno-tete{grid-template-columns:1fr;gap:12px}
  .ligne-temps{grid-template-columns:1fr;gap:34px;padding-left:4px}
  .ligne-temps::before,.ligne-temps::after{top:28px;bottom:28px;left:31px;right:auto;width:2px;height:auto}
  .ligne-temps::after{transform:scaleY(var(--progression,0));transform-origin:50% 0}
  .etape{display:grid;grid-template-columns:56px 1fr;column-gap:22px;text-align:left;align-items:start}
  .etape-point{grid-row:1/3}
  .etape h3{margin:6px 0 6px}
  .saviez-grille{grid-template-columns:1fr}
}
@media (max-width:760px){
  .conteneur{padding-inline:16px}
  body{font-size:16px}
  .heros{padding-bottom:110px}
  .defiler{display:none}
  .congere{height:70px}
  .heros-voile{background:linear-gradient(180deg,rgba(6,10,19,.7) 0%,rgba(6,10,19,.8) 45%,rgba(6,10,19,.92) 100%)}
  .schema{padding:20px 18px;border-radius:22px}
  .voie{grid-template-columns:1fr;gap:16px;padding:20px 0}
  .flux{flex-direction:column;align-items:flex-start}
  .noeud{flex-direction:row;width:auto;gap:14px;text-align:left}
  .noeud>i{width:52px;height:52px;font-size:24px;border-radius:15px}
  .fil{flex:none;width:2px;height:30px;min-width:0;margin:6px 0 6px 25px;background:repeating-linear-gradient(180deg,rgba(14,21,37,.22) 0 6px,transparent 6px 12px)}
  .impulsion{top:0;left:50%;animation-name:file-v}
  .revenu{position:static;transform:none;margin-left:4px;order:3}
  .piece{display:none}
  .bilan{text-align:left;display:flex;align-items:baseline;gap:10px}
  .bilan b{display:inline;font-size:36px}
  .ruban span{font-size:22px}
  .ruban-zone{height:110px;margin:-55px 0}
  .carte-sombre{padding:28px 22px}
  .cle-en-main{grid-template-columns:repeat(2,1fr)}
  .barres{height:220px;gap:10px}
  .barre-val{font-size:26px}
  .barre-revision .barre-val{font-size:13px}
  .avantages-grille{grid-template-columns:1fr}
  .metriques{grid-template-columns:repeat(2,1fr)}
  .tableau{transform:none}
  .fait{grid-template-columns:1fr;gap:12px;padding:26px 24px}
  .champs,.a-preparer{grid-template-columns:1fr}
  .formulaire{padding:24px 18px}
  .question .reponse{padding-right:4px}
  .pied-grille{grid-template-columns:1fr;gap:30px}
  .maquette{left:50%;transform:translateX(-50%);bottom:12px;white-space:nowrap}
}
@keyframes file-v{0%{top:0;opacity:0}10%{opacity:1}90%{opacity:1}100%{top:100%;opacity:0}}

/* Mouvement réduit : tout reste lisible, rien ne bouge */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s!important;animation-iteration-count:1!important;transition-duration:.001s!important;transition-delay:0s!important}
  .js [data-apparait]{opacity:1;transform:none}
  .ruban-piste{animation:none}
  .impulsion,.piece{display:none}
}