/* ==========================================================
   YELLA IT — feuille de style (basée sur la charte graphique)
   ========================================================== */

:root {
  /* Couleurs de marque (extraites du logo) */
  --bleu-nuit: #0b1f44;
  --bleu-marine: #133366;
  --bleu-royal: #23478f;
  --jaune: #fbb31c;
  --orange: #f39a0a;

  /* Neutres */
  --encre: #0e1a33;
  --gris-texte: #546783;
  --gris-ligne: #dfe5ef;
  --gris-fond: #f4f6fb;
  --blanc: #ffffff;

  /* Typo */
  --font-titre: "Outfit", "Segoe UI", system-ui, sans-serif;
  --font-texte: "Inter", "Segoe UI", system-ui, sans-serif;

  /* Formes */
  --rayon: 16px;
  --rayon-sm: 10px;
  --ombre: 0 10px 30px -12px rgba(11, 31, 68, 0.25);
  --ombre-forte: 0 24px 60px -20px rgba(11, 31, 68, 0.45);
  --largeur: 1140px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  font-family: var(--font-texte);
  font-size: 17px;
  line-height: 1.65;
  color: var(--encre);
  background: var(--blanc);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--bleu-royal); }
h1, h2, h3, h4 {
  font-family: var(--font-titre);
  line-height: 1.12;
  margin: 0 0 0.5em;
  color: var(--bleu-marine);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.7rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
p { margin: 0 0 1em; }

.conteneur { width: min(var(--largeur), 100% - 40px); margin-inline: auto; }
.section { padding: clamp(64px, 9vw, 112px) 0; }
.section--gris { background: var(--gris-fond); }
.section--nuit { background: var(--bleu-nuit); color: #c9d4ea; }
.section--nuit h2, .section--nuit h3 { color: var(--blanc); }

.surtitre {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-titre);
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--bleu-royal);
  margin-bottom: 14px;
}
.hero .surtitre, .page-hero .surtitre, .section--nuit .surtitre, .couv .surtitre { color: var(--jaune); }
.surtitre::before {
  content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--jaune);
  box-shadow: 14px -8px 0 -2px var(--jaune);
  margin-right: 10px;
}
.entete-section { max-width: 680px; margin-bottom: 48px; }
.entete-section p { color: var(--gris-texte); font-size: 1.08rem; }
.section--nuit .entete-section p { color: #a9b8d6; }

/* ---------- Boutons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-titre); font-weight: 600; font-size: 1rem;
  padding: 14px 26px; border-radius: 999px; border: 2px solid transparent;
  text-decoration: none; cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--jaune); outline-offset: 3px;
}
.btn--jaune { background: var(--jaune); color: var(--bleu-nuit); box-shadow: 0 10px 24px -10px rgba(251, 179, 28, .7); }
.btn--jaune:hover { background: #ffc341; }
.btn--bleu { background: var(--bleu-marine); color: var(--blanc); }
.btn--bleu:hover { background: var(--bleu-royal); }
.btn--contour { border-color: rgba(255,255,255,.35); color: var(--blanc); }
.btn--contour:hover { border-color: var(--jaune); color: var(--jaune); }
.btn--contour-bleu { border-color: var(--bleu-marine); color: var(--bleu-marine); }
.btn--contour-bleu:hover { background: var(--bleu-marine); color: var(--blanc); }

/* ---------- En-tête ---------- */
.entete {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .25s ease, box-shadow .25s ease;
}
.entete.est-colle {
  background: rgba(11, 31, 68, .92);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 8px 30px -18px rgba(0,0,0,.6);
}
.entete__barre { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.marque { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.marque img { height: 38px; width: auto; }
.marque span {
  font-family: var(--font-titre); font-weight: 800; font-size: 1.35rem;
  letter-spacing: .02em; color: var(--blanc);
}
.marque span b { color: var(--jaune); font-weight: 800; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a:not(.btn) {
  color: #d5def0; text-decoration: none; font-weight: 500; font-size: .96rem;
  position: relative; padding: 6px 0;
}
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--jaune); transition: width .2s ease;
}
.nav a:not(.btn):hover { color: var(--blanc); }
.nav a[aria-current="page"]:not(.btn) { color: var(--blanc); }
.nav a[aria-current="page"]:not(.btn)::after { width: 100%; }
.nav a:not(.btn):hover::after { width: 100%; }
.nav .btn { padding: 10px 20px; font-size: .92rem; }
.burger {
  display: none; background: none; border: 0; width: 44px; height: 44px; cursor: pointer; padding: 10px;
}
.burger span { display: block; height: 2px; background: var(--blanc); border-radius: 2px; margin: 5px 0; transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Héro ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(900px 500px at 85% 10%, rgba(35, 71, 143, .85), transparent 65%),
    radial-gradient(600px 400px at 0% 100%, rgba(243, 154, 10, .16), transparent 60%),
    var(--bleu-nuit);
  color: #c9d4ea;
  padding: clamp(130px, 17vw, 190px) 0 clamp(80px, 10vw, 130px);
}
.hero__grille { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.hero h1 { color: var(--blanc); margin-bottom: 22px; }
.hero h1 em { font-style: normal; color: var(--jaune); }
.hero p.chapo { font-size: clamp(1.05rem, 1.6vw, 1.22rem); max-width: 560px; margin-bottom: 34px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__visuel { position: relative; display: grid; place-items: center; }
.hero__visuel img { position: relative; width: min(540px, 100%); filter: drop-shadow(0 30px 40px rgba(0,0,0,.4)); animation: flotte 7s ease-in-out infinite; }
.hero__halo {
  position: absolute; width: 78%; aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(circle, rgba(251,179,28,.22), transparent 62%);
}
@keyframes flotte { 50% { transform: translateY(-14px); } }

.pixels { position: absolute; inset: 0; pointer-events: none; }
.pixels i {
  position: absolute; display: block; border-radius: 22%;
  background: var(--jaune); opacity: .85;
  animation: pixel 6s ease-in-out infinite;
}
@keyframes pixel { 50% { transform: translateY(-18px) scale(.9); opacity: .35; } }

.plateformes {
  margin-top: 56px; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px 14px;
  font-size: .9rem;
}
.plateformes strong { color: var(--blanc); font-weight: 600; margin-right: 6px; }
.puce {
  display: inline-block; padding: 6px 14px; border-radius: 999px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.14); color: #dbe4f5;
  font-size: .85rem; font-weight: 500;
}
.puce--clair { background: var(--blanc); border-color: var(--gris-ligne); color: var(--bleu-marine); }

/* ---------- Cartes services ---------- */
.grille-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grille-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.carte {
  background: var(--blanc); border: 1px solid var(--gris-ligne); border-radius: var(--rayon);
  padding: 32px 28px; position: relative; overflow: hidden;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.carte:hover { transform: translateY(-6px); box-shadow: var(--ombre); border-color: transparent; }
.carte::after {
  content: ""; position: absolute; left: 0; top: 0; height: 4px; width: 100%;
  background: linear-gradient(90deg, var(--jaune), var(--orange));
  transform: scaleX(0); transform-origin: left; transition: transform .3s ease;
}
.carte:hover::after { transform: scaleX(1); }
.carte p { color: var(--gris-texte); margin: 0; font-size: .98rem; }
.carte__icone {
  width: 54px; height: 54px; border-radius: 14px; margin-bottom: 20px;
  display: grid; place-items: center;
  background: var(--bleu-marine); color: var(--jaune);
}
.carte__icone svg { width: 26px; height: 26px; }

/* ---------- Services (groupes) ---------- */
.groupe-services + .groupe-services { margin-top: 52px; }
.groupe-services__titre {
  display: flex; align-items: center; gap: 16px; margin-bottom: 22px;
  font-size: 1.12rem; font-weight: 700; color: var(--bleu-marine);
}
.groupe-services__titre::before { content: ""; width: 12px; height: 12px; border-radius: 3px; background: var(--jaune); flex: none; }
.groupe-services__titre::after { content: ""; flex: 1; height: 1px; background: var(--gris-ligne); }

/* ---------- Réalisations ---------- */
.etiquette {
  display: inline-block; margin-bottom: 10px;
  font-family: var(--font-titre); font-size: .74rem; font-weight: 600;
  letter-spacing: .18em; text-transform: uppercase; color: var(--jaune);
}
.phare {
  display: grid; grid-template-columns: 1.08fr .92fr; gap: 48px; align-items: center;
  padding: clamp(18px, 3vw, 30px); border-radius: 26px;
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1);
}
.phare h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 700; }
.phare__photo, .apropos__photo { margin: 0; }
.phare__photo img, .apropos__photo img { width: 100%; border-radius: 18px; box-shadow: var(--ombre-forte); }
.phare__photo figcaption { margin-top: 10px; font-size: .78rem; color: #8fa1c4; text-align: right; }
.technos { display: flex; flex-wrap: wrap; gap: 8px; }
.projets { margin-top: 24px; }
.projet {
  display: flex; flex-direction: column; overflow: hidden; border-radius: var(--rayon);
  background: rgba(255,255,255,.045); border: 1px solid rgba(255,255,255,.1);
  transition: transform .22s ease, border-color .22s ease, background .22s ease;
}
.projet:hover { transform: translateY(-6px); border-color: rgba(251,179,28,.55); background: rgba(255,255,255,.07); }
.projet__image { position: relative; aspect-ratio: 2 / 1; overflow: hidden; background: #0a1a3a; }
.projet__image img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .5s ease; }
.projet:hover .projet__image img { transform: scale(1.04); }
.projet__image--attente {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 14px, transparent 14px 28px), #0f2854;
  color: var(--jaune); font-family: var(--font-titre); font-size: .8rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
}
.projet__image--attente svg { width: 44px; height: 44px; }
.projet__corps { display: flex; flex-direction: column; flex: 1; padding: 22px 24px 24px; }
.projet__corps p { font-size: .95rem; color: #a9b8d6; }
.projet__lien { margin-top: auto; color: var(--jaune); font-weight: 600; font-size: .93rem; text-decoration: none; }
.projet__lien:hover { text-decoration: underline; }
.liste-coche { list-style: none; padding: 0; margin: 22px 0 26px; display: grid; gap: 12px; }
.liste-coche li { position: relative; padding-left: 34px; }
.liste-coche li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 6px;
  background: var(--jaune) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3.2 3.2L15 7' fill='none' stroke='%230b1f44' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
}
.note { font-size: .86rem; color: #8fa1c4; border-left: 3px solid var(--jaune); padding-left: 14px; margin-top: 26px; }

/* ---------- Méthode ---------- */
.etapes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: etape; }
.etape { counter-increment: etape; padding-top: 22px; border-top: 3px solid var(--gris-ligne); position: relative; }
.etape::before {
  content: "0" counter(etape);
  font-family: var(--font-titre); font-weight: 800; font-size: 2.4rem; line-height: 1;
  color: var(--jaune); display: block; margin-bottom: 12px;
}
.etape::after { content: ""; position: absolute; top: -3px; left: 0; width: 46px; height: 3px; background: var(--bleu-marine); }
.etape p { color: var(--gris-texte); font-size: .96rem; margin: 0; }

/* ---------- À propos ---------- */
.apropos { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }

/* ---------- Contact ---------- */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact__infos a { color: var(--jaune); text-decoration: none; font-weight: 600; }
.contact__infos a:hover { text-decoration: underline; }
.contact__ligne { display: flex; gap: 16px; align-items: flex-start; margin-top: 26px; }
.contact__ligne .carte__icone { margin: 0; flex: none; background: rgba(255,255,255,.08); }
.contact__ligne span { display: block; font-size: .85rem; color: #8fa1c4; }
.formulaire {
  background: var(--blanc); border-radius: var(--rayon); padding: clamp(24px, 4vw, 38px);
  box-shadow: var(--ombre-forte); color: var(--encre);
}
.champ { margin-bottom: 18px; }
.champ label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 7px; color: var(--bleu-marine); }
.champ input, .champ textarea, .champ select {
  width: 100%; font: inherit; font-size: 1rem; color: var(--encre);
  padding: 13px 15px; border-radius: var(--rayon-sm);
  border: 1.5px solid var(--gris-ligne); background: var(--gris-fond);
  transition: border-color .15s, background .15s;
}
.champ input:focus, .champ textarea:focus, .champ select:focus { border-color: var(--bleu-royal); background: var(--blanc); outline: none; }
.champ textarea { min-height: 140px; resize: vertical; }
.champ-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.piege { position: absolute; left: -9999px; }
.formulaire .btn { width: 100%; }
.retour-form { margin: 16px 0 0; font-size: .95rem; font-weight: 500; min-height: 1.5em; }
.retour-form.ok { color: #14794a; }
.retour-form.erreur { color: #b3261e; }

/* ---------- Pied de page ---------- */
.pied { background: #071632; color: #93a4c6; padding: 56px 0 28px; font-size: .93rem; }
.pied__grille { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.09); }
.pied h4 { color: var(--blanc); font-size: .85rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 16px; }
.pied ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.pied a { color: #b9c6e2; text-decoration: none; }
.pied a:hover { color: var(--jaune); }
.pied__bas { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-top: 24px; font-size: .85rem; }
.pied .marque { margin-bottom: 14px; }

/* ---------- Pages de texte (mentions, confidentialité) ---------- */
.page-texte { padding: 56px 0 90px; }
.page-texte .conteneur { max-width: 800px; }
.page-texte h2 { font-size: 1.4rem; margin-top: 2em; }
.page-texte .maj { color: var(--gris-texte); font-size: .9rem; }

/* ---------- En-tête de page intérieure ---------- */
.page-hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(800px 420px at 88% 0%, rgba(35, 71, 143, .85), transparent 65%),
    radial-gradient(520px 320px at 0% 100%, rgba(243, 154, 10, .14), transparent 60%),
    var(--bleu-nuit);
  color: #c9d4ea;
  padding: clamp(128px, 15vw, 172px) 0 clamp(56px, 7vw, 84px);
}
.page-hero .conteneur { position: relative; }
.page-hero h1 { color: var(--blanc); font-size: clamp(2.1rem, 4.6vw, 3.4rem); max-width: 860px; margin-bottom: 18px; }
.page-hero .chapo { font-size: clamp(1.05rem, 1.5vw, 1.2rem); max-width: 640px; margin: 0; }
.page-hero--contact .chapo { margin-bottom: 8px; }
.section--colle { padding-top: 8px; }

/* ---------- Cartes avec image ---------- */
.carte--image { padding: 0; display: flex; flex-direction: column; }
.carte--image .carte__image { aspect-ratio: 3 / 2; overflow: hidden; background: var(--gris-fond); }
.carte--image .carte__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.carte--image:hover .carte__image img { transform: scale(1.05); }
.carte--image .carte__corps { padding: 24px 26px 28px; }
.carte--image h3 { margin-bottom: 8px; }

/* ---------- Accueil : les deux métiers ---------- */
.metier {
  display: flex; flex-direction: column; overflow: hidden;
  background: var(--blanc); border: 1px solid var(--gris-ligne); border-radius: 22px;
  transition: transform .22s ease, box-shadow .22s ease;
}
.metier:hover { transform: translateY(-6px); box-shadow: var(--ombre); }
.metier__image { aspect-ratio: 16 / 9; overflow: hidden; }
.metier__image img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.metier:hover .metier__image img { transform: scale(1.04); }
.metier__corps { display: flex; flex-direction: column; flex: 1; padding: 30px 32px 32px; }
.metier h3 { font-size: 1.5rem; font-weight: 700; }
.metier p { color: var(--gris-texte); }
.metier .liste-coche { margin: 6px 0 26px; }
.metier .lien-fleche { margin-top: auto; }
.lien-fleche { font-family: var(--font-titre); font-weight: 600; color: var(--bleu-royal); text-decoration: none; }
.lien-fleche span { display: inline-block; transition: transform .2s ease; }
.lien-fleche:hover span { transform: translateX(5px); }
.suite { margin: 44px 0 0; text-align: center; }
.suite--gauche { text-align: left; margin-top: 36px; }

/* ---------- Services : présentation d'un métier ---------- */
.duo { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
.duo h2 { max-width: 560px; }
.duo p { color: var(--gris-texte); font-size: 1.05rem; }
.duo__plus {
  background: var(--blanc); border: 1px solid var(--gris-ligne); border-radius: var(--rayon); padding: 28px 30px;
}
.section--gris .duo__plus { box-shadow: var(--ombre); border-color: transparent; }
.duo__plus h3 { font-size: 1rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bleu-royal); margin-bottom: 4px; }
.duo__plus .liste-coche { margin: 18px 0 22px; }
.duo__plus .liste-coche strong { display: block; color: var(--bleu-marine); }
.duo__plus .liste-coche li { color: var(--gris-texte); font-size: .95rem; }
.grille--suite { margin-top: 48px; }

/* ---------- Méthode : étapes détaillées ---------- */
.pas-liste { list-style: none; margin: 0; padding: 0; counter-reset: pas; max-width: 860px; }
.pas { counter-increment: pas; position: relative; padding: 0 0 48px 96px; }
.pas::before {
  content: "0" counter(pas); position: absolute; left: 0; top: -6px;
  font-family: var(--font-titre); font-weight: 800; font-size: 3rem; line-height: 1; color: var(--jaune);
}
.pas::after { content: ""; position: absolute; left: 30px; top: 58px; bottom: 10px; width: 2px; background: var(--gris-ligne); }
.pas:last-child { padding-bottom: 0; }
.pas:last-child::after { display: none; }
.pas h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 10px; }
.pas p { color: var(--gris-texte); font-size: 1.05rem; }
.pas__livrable {
  display: inline-block; margin: 6px 0 0; padding: 10px 16px; border-radius: var(--rayon-sm);
  background: var(--gris-fond); font-size: .95rem !important; color: var(--encre) !important;
}
.pas__livrable strong { color: var(--bleu-royal); margin-right: 6px; }

/* ---------- Appel à l'action ---------- */
.section--appel { padding: clamp(48px, 7vw, 88px) 0; }
.appel {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  padding: clamp(32px, 5vw, 56px); border-radius: 26px;
  background: radial-gradient(600px 300px at 100% 0%, rgba(35,71,143,.9), transparent 70%), var(--bleu-nuit);
  color: #c9d4ea;
}
.appel > div:not(.pixels) { position: relative; max-width: 620px; }
.appel h2 { color: var(--blanc); font-size: clamp(1.6rem, 3vw, 2.3rem); margin-bottom: 10px; }
.appel p { margin: 0; }
.appel .btn { position: relative; flex: none; }

/* ---------- Apparition au défilement ---------- */
.revele { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.revele.est-visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero__grille, .phare, .apropos, .contact, .duo { grid-template-columns: 1fr; }
  .duo { gap: 32px; }
  .phare { gap: 28px; }
  .hero__visuel { order: -1; }
  .hero__visuel img { width: min(340px, 78%); }
  .grille-3 { grid-template-columns: repeat(2, 1fr); }
  .etapes { grid-template-columns: repeat(2, 1fr); }
  .pied__grille { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
  .burger { display: block; }
  .nav {
    position: absolute; top: 72px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bleu-nuit); padding: 10px 20px 24px;
    border-top: 1px solid rgba(255,255,255,.1);
    display: none;
  }
  .nav.est-ouverte { display: flex; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav .btn { margin-top: 18px; }
  .entete { background: rgba(11, 31, 68, .96); }
  .hero > .pixels, .page-hero > .pixels { display: none; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .grille-3, .grille-2, .etapes, .champ-duo, .pied__grille { grid-template-columns: 1fr; }
  .pas { padding-left: 0; padding-top: 58px; }
  .pas::after { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .revele { opacity: 1; transform: none; }
}