/* Bernardot IT Solutions — site vitrine.
   Couleurs, typographie, boutons, cartes et pastilles viennent de tokens.css (charte graphique v1.0). */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; -webkit-text-size-adjust: 100%; }
body { margin: 0; overflow-x: hidden; }
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--bis-cyan); outline-offset: 3px; border-radius: 4px; }

.conteneur { width: min(1160px, 100% - 40px); margin-inline: auto; }
.evitement { position: absolute; left: -999px; top: 12px; z-index: 100; padding: 10px 16px; border-radius: 8px; background: #fff; font-weight: 600; }
.evitement:focus { left: 12px; }

/* ---------- emplacements à compléter ---------- */
.demo { padding: 7px 16px; background: var(--bis-nuit); color: #fff; font-size: .8125rem; text-align: center; }
.demo mark, .a-completer { padding: 0 .25em; border-radius: 3px; background: rgba(255, 196, 0, .3); box-shadow: inset 0 -2px 0 var(--bis-or-survol); color: inherit; }

/* ---------- en-tête ---------- */
.entete { position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .94); backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--bis-trait); }
.entete-in { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 76px; }
.marque img { width: 220px; }
.menu { display: flex; align-items: center; gap: 28px; }
.menu a:not(.bis-btn) { padding: 8px 0; border-bottom: 2px solid transparent; color: var(--bis-nuit); font-size: .9375rem; font-weight: 600; text-decoration: none; }
.menu a:not(.bis-btn):hover { border-color: var(--bis-or); }
.burger { display: none; width: 46px; height: 46px; padding: 12px 10px; border: 1.5px solid var(--bis-trait); border-radius: 12px; background: #fff; cursor: pointer; flex-direction: column; justify-content: space-between; }
.burger span { display: block; height: 2.5px; border-radius: 2px; background: var(--bis-bleu); transition: transform .2s, opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- accueil ---------- */
.accueil { position: relative; overflow: hidden; padding-block: clamp(44px, 7vw, 92px); background: var(--bis-halo); }
.accueil-orbite { position: absolute; left: -14%; bottom: -34%; width: min(70%, 860px); max-width: none; opacity: .28; pointer-events: none; }
.accueil-in { position: relative; display: grid; grid-template-columns: 1.08fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.accueil h1 { margin: 14px 0 20px; font-size: clamp(2.1rem, 1.15rem + 3.7vw, 3.5rem); font-weight: 800; line-height: 1.06; letter-spacing: -.012em; }
.accueil h1 span { display: block; color: var(--bis-bleu); }
.chapo { max-width: 56ch; color: var(--bis-ardoise); font-size: 1.0625rem; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.tel { margin-top: 20px; color: var(--bis-ardoise); font-size: .9375rem; }
.tel a { color: var(--bis-nuit); font-weight: 700; text-decoration: none; }

.accueil-visuel { position: relative; padding: 0 18px 26px 0; }
.ecran { position: relative; overflow: hidden; display: grid; place-items: center; aspect-ratio: 5 / 4; border-radius: 28px; background: radial-gradient(70% 60% at 62% 38%, rgba(0, 176, 255, .28), transparent 70%), var(--bis-degrade-nuit); box-shadow: 0 34px 70px -34px rgba(6, 26, 64, .7); }
.ecran::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .13) 1px, transparent 1.4px); background-size: 22px 22px; -webkit-mask-image: radial-gradient(80% 80% at 50% 50%, #000, transparent); mask-image: radial-gradient(80% 80% at 50% 50%, #000, transparent); }
.ecran-orbite { position: absolute; left: -22%; bottom: -30%; width: 120%; max-width: none; opacity: .32; }
.ecran-symbole { position: relative; width: 80%; margin-top: 7%; filter: drop-shadow(0 18px 30px rgba(0, 0, 0, .45)); }
.bulle { position: absolute; display: flex; align-items: center; gap: 12px; padding: 12px 16px 12px 12px; border: 1px solid var(--bis-trait); border-radius: 14px; background: #fff; box-shadow: var(--bis-ombre-carte); color: var(--bis-bleu); }
.bulle svg { width: 34px; height: 34px; flex: none; }
.bulle span { color: var(--bis-ardoise); font-size: .8125rem; font-weight: 400; line-height: 1.35; }
.bulle b { display: block; color: var(--bis-nuit); font-size: .875rem; font-weight: 700; }
.bulle-1 { left: -22px; top: 5%; }
.bulle-2 { right: 0; bottom: 0; }

/* ---------- piliers ---------- */
.piliers { border-block: 1px solid var(--bis-trait); background: #fff; }
.piliers-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding-block: 26px; }
.pilier { display: flex; align-items: center; gap: 14px; }
.pilier .bis-pastille { width: 56px; height: 56px; flex: none; }
.pilier .bis-pastille svg { width: 28px; height: 28px; }
.pilier p { color: var(--bis-ardoise); font-size: .78rem; font-weight: 400; letter-spacing: .1em; line-height: 1.45; text-transform: uppercase; }
.pilier b { display: block; color: var(--bis-nuit); font-weight: 700; }

/* ---------- sections ---------- */
.section { position: relative; padding-block: clamp(60px, 8vw, 108px); }
.section--gris { background: var(--bis-gris-clair); }
.section--nuit { overflow: hidden; background: var(--bis-degrade-nuit); color: #fff; }
.tete { max-width: 62ch; margin-bottom: clamp(30px, 4vw, 48px); }
.tete h2, .promesse h2, .zone h2, .contact h2 { margin-top: 8px; }
.filet { width: min(240px, 60%); margin: 16px 0 18px; }
.tete p:last-child, .zone > div > p, .contact > div > p { color: var(--bis-ardoise); }
.section--nuit h2, .section--nuit h3 { color: #fff; }
.section--nuit .bis-surtitre { color: var(--bis-or); }
.section--nuit .tete p:last-child { color: #CFE6FF; margin-top: 14px; }

/* listes à coches */
.coches { display: grid; gap: 10px; font-size: .9375rem; }
.coches li { position: relative; padding-left: 30px; }
.coches li::before { content: ""; position: absolute; left: 0; top: .2em; width: 20px; height: 20px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='10' cy='10' r='9' fill='%23FFC400' fill-opacity='.22'/%3E%3Cpath d='m6 10.3 2.7 2.7L14 7.4' stroke='%230B3D91' stroke-width='2'/%3E%3C/svg%3E") center / contain no-repeat; }

/* ---------- services ---------- */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service { display: flex; flex-direction: column; gap: 18px; padding: 28px; border: 1px solid var(--bis-trait); border-radius: var(--bis-rayon-carte); background: #fff; box-shadow: var(--bis-ombre-carte); transition: transform .2s, box-shadow .2s; }
.service:hover { transform: translateY(-3px); box-shadow: 0 22px 44px -22px rgba(6, 26, 64, .45); }
.service-tete { display: flex; align-items: center; gap: 14px; }
.service-tete .bis-pastille { flex: none; background: var(--bis-bleu-clair); border-color: transparent; }
.service > p { color: var(--bis-ardoise); font-size: .9375rem; }
.service .bis-lien { margin-top: auto; padding-top: 6px; font-size: .9375rem; }

/* ---------- promesse ---------- */
.promesse { display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.promesse-visuel { position: relative; }
.promesse-visuel img { width: 100%; border-radius: 20px; box-shadow: 0 28px 56px -30px rgba(6, 26, 64, .5); }
.promesses { display: grid; gap: 0; }
.promesses > div { display: grid; grid-template-columns: 7.5rem 1fr; gap: 16px; padding-block: 18px; border-bottom: 1px solid var(--bis-gris-moyen); }
.promesses > div:last-child { border-bottom: 0; }
.promesses dt { color: var(--bis-bleu); font-size: 1.25rem; font-weight: 700; line-height: 1.3; }
.promesses dd { color: var(--bis-encre); }

/* ---------- méthode ---------- */
.methode-decor { position: absolute; right: -40px; top: 24px; width: min(420px, 46%); opacity: .5; pointer-events: none; }
.section--nuit .conteneur { position: relative; }
.etapes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: etape; }
.etapes li { padding: 24px 22px 26px; border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--bis-rayon-carte); background: rgba(255, 255, 255, .05); }
.etape-num { display: block; margin-bottom: 14px; color: var(--bis-or); font-size: 2.5rem; font-weight: 800; line-height: 1; font-variant-numeric: tabular-nums; }
.etapes h3 { margin-bottom: 8px; font-size: 1.0625rem; }
.etapes p { color: #CFE6FF; font-size: .9375rem; font-weight: 400; }

/* ---------- pour qui ---------- */
.publics { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.public { display: flex; flex-direction: column; align-items: flex-start; gap: 18px; padding: clamp(24px, 3.4vw, 40px); border: 1px solid var(--bis-trait); border-radius: 20px; background: var(--bis-bleu-clair); }
.public > p { color: var(--bis-ardoise); }
.public .bis-btn { margin-top: auto; }
.public .bis-pastille { border-color: transparent; }
.public--nuit { border-color: transparent; background: var(--bis-degrade-nuit); color: #fff; }
.public--nuit h3 { color: #fff; }
.public--nuit > p { color: #CFE6FF; }
.public--nuit .coches li::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='10' cy='10' r='9' fill='%23FFC400'/%3E%3Cpath d='m6 10.3 2.7 2.7L14 7.4' stroke='%23061A40' stroke-width='2'/%3E%3C/svg%3E"); }

/* ---------- zone ---------- */
.zone { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.villes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.villes li { padding: 6px 13px; border: 1px solid var(--bis-gris-moyen); border-radius: var(--bis-rayon-pilule); background: #fff; color: var(--bis-encre); font-size: .8125rem; font-weight: 500; }
.villes .ville--forte { border-color: var(--bis-bleu); background: var(--bis-bleu); color: #fff; font-weight: 600; }
.precision { margin-top: 22px; font-size: .9375rem; }
.carte svg { width: 100%; height: auto; border: 1px solid var(--bis-trait); border-radius: 20px; box-shadow: var(--bis-ombre-carte); }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.coordonnees { display: grid; gap: 18px; margin-top: 30px; }
.coordonnees li { display: flex; align-items: center; gap: 14px; color: var(--bis-bleu); }
.coordonnees svg { width: 34px; height: 34px; flex: none; }
.coordonnees div { min-width: 0; color: var(--bis-encre); font-size: .9375rem; }
.coordonnees b { display: block; color: var(--bis-ardoise); font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.formulaire { padding: clamp(22px, 3.4vw, 36px); border: 1px solid var(--bis-trait); border-radius: 20px; background: #fff; box-shadow: var(--bis-ombre-carte); }
.formulaire h3 { margin-bottom: 22px; }
.champs { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 22px; }
.champ { display: grid; gap: 6px; min-width: 0; }
.champ--large { grid-column: 1 / -1; }
.champ label { color: var(--bis-nuit); font-size: .8125rem; font-weight: 600; }
.champ small { color: var(--bis-ardoise); font-weight: 400; }
.champ input, .champ select, .champ textarea { width: 100%; padding: 12px 14px; border: 1.5px solid var(--bis-gris-moyen); border-radius: var(--bis-rayon-champ); background: #fff; color: var(--bis-encre); font: 500 1rem/1.4 var(--bis-police); }
.champ textarea { resize: vertical; min-height: 120px; }
.champ input:focus, .champ select:focus, .champ textarea:focus { border-color: var(--bis-bleu); outline: 3px solid rgba(0, 176, 255, .35); outline-offset: 0; }
.champ [aria-invalid="true"] { border-color: #C62828; }
.retour { margin-top: 16px; padding: 12px 14px; border-radius: 10px; background: var(--bis-bleu-clair); color: var(--bis-nuit); font-size: .9375rem; }
.retour.erreur { background: #FDECEA; color: #8E1B1B; }
.mention { margin-top: 16px; color: var(--bis-ardoise); font-size: .8125rem; font-weight: 400; }

/* ---------- pied de page ---------- */
.pied { background: var(--bis-nuit); color: #CFE6FF; font-size: .9375rem; font-weight: 400; }
.pied-in { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 32px; padding-block: 56px 36px; }
.pied-marque img { width: 240px; margin: 0 0 14px -8px; }
.pied-marque p { max-width: 30ch; }
.pied b { display: block; margin-bottom: 12px; color: #fff; font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.pied nav a { display: block; padding: 4px 0; color: #CFE6FF; text-decoration: none; }
.pied a:hover { color: #fff; text-decoration: underline; }
.pied-in p + p { margin-top: 6px; }
.pied-bas { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-block: 18px; border-top: 1px solid rgba(255, 255, 255, .14); font-size: .8125rem; }
.pied-bas a { color: #CFE6FF; }

/* ---------- page mentions légales ---------- */
.page-texte { padding-block: clamp(40px, 6vw, 80px); }
.page-texte .conteneur { max-width: 780px; }
.page-texte h1 { margin-bottom: 8px; font-size: var(--bis-t-h2); }
.page-texte h2 { margin: 36px 0 10px; font-size: 1.25rem; }
.page-texte p + p { margin-top: 10px; }
.page-texte .retour-accueil { display: inline-flex; margin-bottom: 24px; }

/* ---------- adaptations ---------- */
@media (max-width: 1000px) {
  .services { grid-template-columns: 1fr; }
  .service { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; }
  .service-tete, .service > p { grid-column: 1; }
  .service .coches { grid-column: 2; grid-row: 1 / span 3; align-self: center; }
  .service .bis-lien { grid-column: 1; }
  .etapes { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .burger { display: flex; }
  .menu { position: absolute; left: 0; right: 0; top: 100%; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 4px 20px 22px; border-bottom: 1px solid var(--bis-trait); background: #fff; box-shadow: 0 24px 40px -24px rgba(6, 26, 64, .35); }
  .menu.ouvert { display: flex; }
  .menu a:not(.bis-btn) { padding: 15px 0; border-bottom: 1px solid var(--bis-trait); }
  .menu .bis-btn { margin-top: 18px; }
  .accueil-in, .promesse, .zone, .contact { grid-template-columns: 1fr; }
  .accueil-visuel { max-width: 560px; margin-inline: auto; width: 100%; }
  .piliers-in { grid-template-columns: repeat(2, 1fr); gap: 20px 12px; }
  .pied-in { grid-template-columns: 1fr 1fr; }
  .pied-marque { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  html { scroll-padding-top: 84px; }
  .marque img { width: 190px; }
  .service { display: flex; }
  .publics, .etapes, .champs { grid-template-columns: 1fr; }
  .promesses > div { grid-template-columns: 1fr; gap: 4px; }
  .accueil-visuel { padding: 0 0 56px; }
  .bulle-1 { left: -6px; top: 6%; }
  .bulle-2 { right: -6px; bottom: 6px; }
  .actions .bis-btn { flex: 1 1 100%; }
  .pilier { flex-direction: column; align-items: flex-start; gap: 10px; }
  .pied-in { grid-template-columns: 1fr; padding-block: 44px 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .service, .bis-btn, .burger span { transition: none; }
}