/* BNT Company : site vitrine. Couleurs et polices du logo (../identite-bnt) : bleu nuit #13213C, corail #E8553D,
   Fraunces pour les titres, Manrope pour le texte, Space Grotesk pour les petites étiquettes. */

@font-face { font-family: "Fraunces"; src: url("polices/fraunces-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("polices/fraunces-700.woff2") format("woff2"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Manrope"; src: url("polices/manrope.woff2") format("woff2"); font-weight: 200 800; font-display: swap; }
@font-face { font-family: "Space Grotesk"; src: url("polices/space-grotesk.woff2") format("woff2"); font-weight: 500; font-display: swap; }

:root {
  --nuit: #13213C;
  --nuit-2: #1C2D50;
  --corail: #E8553D;
  --corail-fonce: #C9402A;
  --papier: #F7F4EE;
  --papier-2: #EFEADF;
  --blanc: #FFFFFF;
  --texte: #1B2333;
  --doux: #454E5E;
  --trait: #DDD6C8;
  --titre: "Fraunces", Georgia, serif;
  --corps: "Manrope", system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  --mono: "Space Grotesk", var(--corps);
  --large: 1160px;
  --gouttiere: clamp(16px, 4vw, 40px);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--papier); color: var(--texte);
  font: 400 17px/1.65 var(--corps);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--titre); font-weight: 600; color: var(--nuit); margin: 0; line-height: 1.12; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
:focus-visible { outline: 3px solid var(--corail); outline-offset: 3px; border-radius: 4px; }

.evitement { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--nuit); color: #fff; padding: 10px 16px; border-radius: 8px; }
.evitement:focus { left: 8px; }

.etiquette {
  font: 500 14px/1.2 var(--mono); color: var(--corail-fonce); letter-spacing: .02em; margin-bottom: 14px;
}
.etiquette::before { content: "< "; color: var(--corail); }
.etiquette::after { content: " />"; color: var(--corail); }

/* Boutons */
.bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 50px; padding: 0 24px; border-radius: 12px; border: 2px solid var(--nuit);
  background: var(--nuit); color: #fff; font-weight: 700; font-size: 16px; text-decoration: none;
  transition: background .15s, border-color .15s, color .15s, transform .15s;
}
.bouton:hover { background: var(--nuit-2); border-color: var(--nuit-2); transform: translateY(-1px); }
.bouton--clair { background: transparent; color: var(--nuit); }
.bouton--clair:hover { background: var(--blanc); color: var(--nuit); }
.bouton--petit { min-height: 42px; padding: 0 18px; font-size: 15px; border-radius: 10px; }

/* En-tête */
.entete {
  position: sticky; top: 0; z-index: 50; background: rgba(247, 244, 238, .92);
  backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent; transition: border-color .2s, box-shadow .2s;
}
.entete.est-defile { border-bottom-color: var(--trait); box-shadow: 0 6px 24px -18px rgba(19, 33, 60, .5); }
.entete__in {
  max-width: var(--large); margin: 0 auto; padding: 12px var(--gouttiere);
  display: flex; align-items: center; gap: 28px;
}
.entete__logo { flex: none; }
.entete__logo .bnt-logo { width: 200px; }
.entete__compact { display: none; align-items: center; gap: 9px; font: 800 18px/1 var(--corps); letter-spacing: -.01em; color: var(--nuit); }
.entete__compact .bnt-icone { width: 36px; }
.entete__logo { text-decoration: none; }
.entete__nav { display: flex; gap: 26px; margin-left: auto; font-weight: 600; font-size: 15px; }
.entete__nav a { text-decoration: none; color: var(--doux); padding: 6px 0; border-bottom: 2px solid transparent; }
.entete__nav a:hover { color: var(--nuit); border-bottom-color: var(--corail); }

/* Accroche */
.accroche {
  max-width: var(--large); margin: 0 auto; padding: clamp(40px, 8vw, 96px) var(--gouttiere) clamp(56px, 8vw, 104px);
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .9fr); gap: clamp(32px, 6vw, 80px); align-items: center;
}
.accroche h1 { font-size: clamp(38px, 5.6vw, 66px); font-weight: 600; margin-bottom: 24px; }
.accroche__intro { font-size: clamp(17px, 1.6vw, 19px); color: var(--doux); max-width: 34em; }
.accroche__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.carte-visite {
  background: var(--nuit); color: #DCE1EA; border-radius: 22px; padding: 30px 30px 28px;
  box-shadow: 0 30px 60px -30px rgba(19, 33, 60, .7), 0 2px 0 rgba(255, 255, 255, .06) inset;
  transform: rotate(-2.2deg); position: relative;
}
.carte-visite::after {
  content: ""; position: absolute; inset: 10px; border: 1px solid rgba(255, 255, 255, .08); border-radius: 15px; pointer-events: none;
}
.carte-visite__logo { width: 100%; max-width: 300px; }
.carte-visite__bas { margin-top: 42px; font-size: 15px; line-height: 1.55; }
.carte-visite__bas p { margin: 0; }
.carte-visite__nom { font-family: var(--titre); font-size: 24px; color: #fff; font-weight: 600; margin-bottom: 2px !important; }
.carte-visite__coord { margin-top: 18px !important; }
.carte-visite__coord a { color: #fff; text-decoration: none; position: relative; z-index: 1; }
.carte-visite__coord a:hover { color: #FFB4A6; }
.carte-visite__lieu { margin-top: 18px !important; font: 500 13px/1.4 var(--mono); color: #8F9AB0; }

/* Blocs communs */
.bloc { padding: clamp(64px, 9vw, 112px) var(--gouttiere); }
.bloc > * { max-width: var(--large); margin-left: auto; margin-right: auto; }
.bloc__tete { margin-bottom: clamp(32px, 5vw, 56px); }
.bloc__tete h2, .bloc h2 { font-size: clamp(30px, 3.8vw, 46px); margin-bottom: 14px; }
.bloc__tete p:not(.etiquette) { color: var(--doux); font-size: 18px; max-width: 36em; }
.bloc--fonce { background: var(--nuit); color: #CBD2DE; }
.bloc--fonce h2 { color: #fff; }
.bloc--fonce .etiquette { color: #FF9F8D; }
.bloc--papier { background: var(--papier-2); }

/* Ce que je fais */
.offre { list-style: none; margin: 0 auto; padding: 0; border-top: 1px solid var(--trait); }
.offre__ligne {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); gap: 16px 48px;
  padding: 30px 0; border-bottom: 1px solid var(--trait);
}
.offre__ligne h3 { font-size: clamp(22px, 2.3vw, 28px); }
.offre__ligne p { color: var(--doux); max-width: 38em; }

/* Réalisation */
.realisation { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(36px, 6vw, 72px); align-items: center; }
.realisation__texte p { font-size: 17px; }
.realisation__note { color: #8F9AB0; font-size: 15px !important; border-left: 3px solid var(--corail); padding-left: 14px; margin-top: 22px; }
.lien-fleche {
  display: inline-flex; gap: 8px; margin-top: 8px; color: #fff; font-weight: 700; text-decoration: none;
  border-bottom: 2px solid var(--corail); padding-bottom: 3px;
}
.lien-fleche:hover { color: #FFB4A6; }
.lien-fleche span { transition: transform .15s; }
.lien-fleche:hover span { transform: translateX(3px); }

.captures { margin: 0; position: relative; padding-bottom: 36px; padding-right: 12%; }
.captures__ordi { background: #2A3A5E; border-radius: 12px; padding: 0 0 0; overflow: hidden; box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .8); }
.captures__barre { display: flex; gap: 6px; padding: 10px 12px; background: #24335A; }
.captures__barre i { width: 9px; height: 9px; border-radius: 50%; background: #45557A; }
.captures__tel {
  position: absolute; right: 0; bottom: 0; width: 25%; min-width: 110px;
  border: 6px solid #0B1426; border-radius: 22px; overflow: hidden; background: #0B1426;
  box-shadow: 0 24px 40px -20px rgba(0, 0, 0, .9);
}
.captures figcaption { font: 500 13px/1.4 var(--mono); color: #8F9AB0; margin-top: 16px; }

/* Étapes */
.etapes { list-style: none; margin: 0 auto; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; counter-reset: none; }
.etape { position: relative; padding-top: 26px; border-top: 2px solid var(--nuit); }
.etape__num {
  display: block; font: 600 54px/1 var(--titre); color: var(--corail); margin-bottom: 14px;
}
.etape h3 { font-size: 22px; margin-bottom: 10px; }
.etape p { color: var(--doux); font-size: 16px; }

/* Qui je suis */
.qui { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: clamp(28px, 6vw, 72px); align-items: start; }
.qui__icone { width: 100%; max-width: 200px; transform: rotate(3deg); filter: drop-shadow(0 20px 26px rgba(19, 33, 60, .25)); }
.qui__texte { max-width: 40em; }
.qui__texte p { font-size: 18px; }

/* Contact */
.contact { background: var(--blanc); border-top: 1px solid var(--trait); }
.contact__moyens, .contact__lieu { max-width: 820px; }
.contact h2 { font-size: clamp(36px, 5vw, 60px); }
.contact__intro { font-size: 18px; color: var(--doux); max-width: 36em; }
.contact__moyens { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 36px 0 24px; }
.contact__moyen {
  display: block; padding: 22px 24px; border-radius: 16px; background: var(--papier); border: 1px solid var(--trait);
  text-decoration: none; transition: border-color .15s, transform .15s, background .15s;
}
.contact__moyen:hover { border-color: var(--corail); transform: translateY(-2px); background: #FFF8F3; }
.contact__moyen span { display: block; font: 500 13px/1.4 var(--mono); color: var(--doux); margin-bottom: 6px; }
.contact__moyen strong { display: block; font-family: var(--titre); font-weight: 600; font-size: clamp(20px, 2.6vw, 28px); color: var(--nuit); overflow-wrap: anywhere; }
.contact__moyen--mail strong { font-family: var(--corps); font-weight: 700; font-size: clamp(16px, 1.7vw, 19px); line-height: 1.9; }
.contact__lieu { color: var(--doux); font-size: 15px; }

/* Pied de page */
.pied { background: var(--nuit); color: #8F9AB0; font-size: 14px; padding: 48px var(--gouttiere) 40px; }
.pied__in { max-width: var(--large); margin: 0 auto; }
.pied__logo { width: 210px; margin-bottom: 18px; }
.mentions { margin-top: 20px; border-top: 1px solid rgba(255, 255, 255, .1); padding-top: 16px; }
.mentions summary { cursor: pointer; color: #C4CBD8; font-weight: 600; width: max-content; }
.mentions summary:hover { color: #fff; }
.mentions p { margin-top: 12px; max-width: 70em; }
.mentions a { color: #C4CBD8; }

/* Écrans moyens */
@media (max-width: 960px) {
  .entete__nav { display: none; }
  .entete__in { justify-content: space-between; }
  .accroche { grid-template-columns: 1fr; }
  .carte-visite { max-width: 440px; transform: rotate(-1.5deg); }
  .realisation { grid-template-columns: 1fr; }
  .etapes { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 28px; }
}

/* Téléphones : texte plus grand et plus foncé, moins d'ornements, rien en double */
@media (max-width: 620px) {
  body { font-size: 17.5px; line-height: 1.6; }
  .entete__in { padding-top: 10px; padding-bottom: 10px; }
  .entete__logo .bnt-logo { display: none; }
  .entete__compact { display: flex; }
  .bouton--petit { padding: 0 14px; min-height: 42px; font-size: 15px; }
  .accroche { padding-top: 28px; padding-bottom: 48px; gap: 0; }
  .accroche h1 { font-size: 34px; margin-bottom: 16px; }
  .accroche__intro { font-size: 18px; color: var(--texte); }
  .accroche__actions { margin-top: 24px; }
  .accroche__actions .bouton { width: 100%; min-height: 54px; font-size: 17px; }
  .carte-visite { display: none; }
  .etiquette { font-size: 13px; margin-bottom: 10px; }
  .bloc { padding-top: 52px; padding-bottom: 52px; }
  .bloc__tete { margin-bottom: 24px; }
  .bloc__tete h2, .bloc h2 { font-size: 29px; }
  .bloc__tete p:not(.etiquette) { font-size: 17.5px; }
  .offre__ligne { grid-template-columns: 1fr; gap: 4px; padding: 20px 0; }
  .offre__ligne h3 { font-size: 22px; }
  .offre__ligne p, .etape p { color: var(--texte); font-size: 17px; }
  .realisation__texte p { font-size: 17.5px; color: #DCE1EA; }
  .realisation__note { color: #B4BDCC; }
  .captures { padding-right: 18%; }
  .captures__barre { padding: 7px 10px; }
  .etapes { grid-template-columns: 1fr; gap: 22px; }
  .etape { display: grid; grid-template-columns: 40px minmax(0, 1fr); column-gap: 12px; padding-top: 18px; border-top-width: 1px; }
  .etape__num { grid-row: span 2; font-size: 34px; margin: 0; }
  .etape h3 { font-size: 20px; margin-bottom: 4px; }
  .qui { grid-template-columns: 1fr; gap: 0; }
  .qui__marque { display: none; }
  .qui__texte p { font-size: 17.5px; color: var(--texte); }
  .contact__intro { font-size: 17.5px; color: var(--texte); }
  .contact__moyens { grid-template-columns: 1fr; gap: 12px; margin: 24px 0 18px; }
  .contact__moyen { padding: 16px 18px; }
  .contact__moyen--mail strong { font-size: 17px; }
  .pied { font-size: 15px; color: #B4BDCC; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}