/* NEEDSYS — feuille de style du site (identité « Écrou </> »)
   Palette de la charte ; le vert #12B886 sert aux aplats, #0A7F5C au texte sur fond clair. */

@font-face { font-family: "Barlow"; font-weight: 400; font-style: normal; font-display: swap;
             src: url("../fonts/barlow-regular.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-weight: 500; font-style: normal; font-display: swap;
             src: url("../fonts/barlow-medium.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-weight: 600; font-style: normal; font-display: swap;
             src: url("../fonts/barlow-semibold.woff2") format("woff2"); }

:root {
  --encre: #0D1117;
  --graphite: #1F2933;
  --vert: #12B886;
  --vert-texte: #0A7F5C;
  --vert-vif: #2EE6A6;
  --papier: #EEF5F2;
  --ardoise: #5B6B7A;
  --gris-sombre: #8B98A5;
  --filet: #D5DFDA;
  --filet-sombre: #27313C;
  --blanc: #FFFFFF;

  --police: "Barlow", "Segoe UI", system-ui, -apple-system, sans-serif;
  --marge: clamp(20px, 5vw, 64px);
  --largeur: 1200px;
  --section: clamp(72px, 11vw, 144px);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--blanc);
  color: var(--graphite);
  font-family: var(--police);
  font-size: 1.125rem;
  line-height: 1.55;
  font-feature-settings: "kern", "liga";
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--vert-texte); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--vert); outline-offset: 3px; border-radius: 2px; }

h1, h2, h3 { color: var(--encre); font-weight: 600; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(2rem, 4.2vw, 3.25rem); line-height: 1.05; letter-spacing: -0.015em; }
h3 { font-size: 1.5rem; line-height: 1.2; }
p { margin: 0; text-wrap: pretty; }

.conteneur { width: 100%; max-width: calc(var(--largeur) + 2 * var(--marge)); margin-inline: auto;
             padding-inline: var(--marge); }

.lien-evitement { position: absolute; left: -9999px; top: 0; background: var(--encre); color: var(--blanc);
                  padding: 12px 16px; z-index: 10; }
.lien-evitement:focus { left: 16px; top: 16px; }

/* ---------------------------------------------------------------- boutons */
.bouton {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 24px;
  font: 500 1.0625rem/1.2 var(--police);
  text-decoration: none; border-radius: 4px; border: 2px solid transparent;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.bouton--principal { background: var(--vert); color: var(--encre); }
.bouton--principal:hover { background: var(--vert-vif); }
.bouton--secondaire { border-color: var(--encre); color: var(--encre); }
.bouton--secondaire:hover { background: var(--encre); color: var(--blanc); }

/* ---------------------------------------------------------------- en-tête */
.entete { border-bottom: 1px solid var(--filet); background: var(--blanc); }
.entete .conteneur { display: flex; align-items: center; justify-content: space-between; gap: 24px;
                     min-height: 80px; }
.entete__logo img { height: 34px; width: auto; }
.entete nav { display: flex; align-items: center; gap: clamp(16px, 3vw, 40px); }
.entete nav ul { display: flex; gap: clamp(16px, 3vw, 36px); list-style: none; margin: 0; padding: 0; }
.entete nav a:not(.bouton) { color: var(--encre); text-decoration: none; font-weight: 500; }
.entete nav a:not(.bouton):hover { color: var(--vert-texte); }
.entete .bouton { min-height: 44px; padding: 8px 18px; }
@media (max-width: 760px) {
  .entete nav ul { display: none; }
  .entete__logo img { height: 28px; }
}

/* ---------------------------------------------------------------- hero */
.hero { padding-block: clamp(56px, 9vw, 120px) clamp(64px, 10vw, 136px); overflow: hidden; }
.hero .conteneur { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
                   align-items: center; gap: clamp(32px, 6vw, 96px); }
.hero h1 { font-size: clamp(3.4rem, 8.6vw, 7.5rem); line-height: 0.92; letter-spacing: -0.03em; }
.hero__texte { font-size: clamp(1.2rem, 1.7vw, 1.4rem); line-height: 1.45; max-width: 34em;
               margin-top: clamp(24px, 3vw, 36px); color: var(--graphite); }
.hero__lieu { margin-top: 16px; color: var(--ardoise); max-width: 34em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: clamp(32px, 4vw, 48px); }
.hero__ecrou { justify-self: end; width: min(100%, 410px); }

.ecrou__anneau { fill: var(--encre); transform-box: view-box; transform-origin: 43.3px 50px;
                 animation: serrage 1.15s cubic-bezier(.16, .84, .24, 1) .15s both; }
.ecrou__barre { fill: var(--vert); animation: barre .55s cubic-bezier(.2, .8, .2, 1) .95s both; }
@keyframes serrage {
  from { transform: rotate(-120deg) scale(.92); opacity: 0; }
  35% { opacity: 1; }
  to { transform: rotate(0) scale(1); opacity: 1; }
}
@keyframes barre {
  from { transform: translate(-20px, 35px); opacity: 0; }
  to { transform: translate(0, 0); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .ecrou__anneau, .ecrou__barre { animation: none; }
}
@media (max-width: 860px) {
  .hero .conteneur { grid-template-columns: 1fr; }
  .hero__ecrou { order: -1; justify-self: start; width: 116px; }
}

/* ---------------------------------------------------------------- métiers */
.metiers { padding-block: var(--section); border-top: 1px solid var(--filet); }
.metiers .conteneur { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
                      gap: clamp(40px, 7vw, 112px); align-items: start; }
.metiers__intro { position: sticky; top: 40px; }
.metiers__intro p { margin-top: 24px; max-width: 30em; }
.metier { padding-block: 36px; border-top: 1px solid var(--filet); }
.metier:first-child { border-top: 0; padding-top: 0; }
.metier p { margin-top: 10px; max-width: 36em; }
.metier ul { list-style: none; margin: 22px 0 0; padding: 0; display: grid;
             grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 32px; }
.metier li { position: relative; padding-left: 22px; color: var(--graphite); }
.metier li::before { content: ""; position: absolute; left: 0; top: .52em; width: 9px; height: 9px;
                     background: var(--vert);
                     clip-path: polygon(25% 0, 75% 0, 100% 50%, 75% 100%, 25% 100%, 0 50%); }
@media (max-width: 860px) {
  .metiers .conteneur { grid-template-columns: 1fr; }
  .metiers__intro { position: static; }
}
@media (max-width: 520px) { .metier ul { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- méthode (bande sombre) */
.methode { background: var(--encre); color: #C9D1D9; padding-block: var(--section); }
.methode h2 { color: var(--blanc); max-width: 14em; }
.methode__intro { margin-top: 20px; max-width: 36em; color: var(--gris-sombre); }
.etapes { list-style: none; margin: clamp(48px, 6vw, 80px) 0 0; padding: 0;
          display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); counter-reset: etape; }
.etape { counter-increment: etape; position: relative; padding: 0 clamp(12px, 2vw, 28px) 0 0; }
.etape::before {
  content: counter(etape); display: block;
  font-size: clamp(2.6rem, 4vw, 3.5rem); font-weight: 600; line-height: 1; color: var(--vert-vif);
  padding-bottom: 20px; margin-bottom: 22px; border-bottom: 2px solid var(--filet-sombre);
}
.etape:last-child::before { border-bottom-color: var(--vert); }
.etape h3 { color: var(--blanc); font-size: 1.3rem; }
.etape p { margin-top: 10px; font-size: 1.0625rem; color: #AEB8C2; }
@media (max-width: 960px) {
  .etapes { grid-template-columns: 1fr; gap: 0; }
  .etape { display: grid; grid-template-columns: 64px 1fr; column-gap: 20px; padding: 24px 0;
           border-top: 1px solid var(--filet-sombre); }
  .etape::before { grid-row: span 2; padding: 0; margin: 0; border: 0; font-size: 2.4rem; }
  .etape p { margin-top: 6px; }
}

/* ---------------------------------------------------------------- engagements */
.engagements { padding-block: var(--section); background: var(--papier); }
.engagements__liste { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
                      gap: clamp(32px, 4vw, 56px); margin-top: clamp(40px, 5vw, 64px); }
.engagement { border-top: 2px solid var(--encre); padding-top: 24px; }
.engagement h3 { font-size: 1.35rem; }
.engagement p { margin-top: 12px; }
@media (max-width: 860px) { .engagements__liste { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- implantation */
.implantation { padding-block: var(--section); }
.implantation .conteneur { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
                           gap: clamp(40px, 7vw, 112px); align-items: center; }
.implantation__carte { margin: 0; width: min(100%, 460px); }
.implantation__texte { margin-top: 24px; max-width: 30em; }
.implantation__texte code { font-family: Consolas, "Cascadia Mono", monospace; color: var(--vert-texte);
                            white-space: nowrap; }
.carte-france { overflow: visible; }
.carte-france__pays { fill: var(--encre); stroke: var(--encre); stroke-width: 3; stroke-linejoin: round; }
.carte-france__hexagone { fill: none; stroke: var(--vert); stroke-width: 7; stroke-linejoin: miter; }
.carte-france__ville { fill: var(--vert-vif); stroke: var(--blanc); stroke-width: 3; }
.carte-france__halo { fill: var(--vert-vif); transform-box: fill-box; transform-origin: center;
                      animation: signal 2.4s ease-out infinite; }
.carte-france__nom { fill: var(--blanc); font: 600 26px var(--police); }
@keyframes signal {
  from { transform: scale(1); opacity: .6; }
  to { transform: scale(3.2); opacity: 0; }
}
@media (prefers-reduced-motion: reduce) { .carte-france__halo { animation: none; opacity: 0; } }
.implantation + .contact { border-top: 1px solid var(--filet); }
@media (max-width: 860px) {
  .implantation .conteneur { grid-template-columns: 1fr; }
  .implantation__carte { width: min(100%, 340px); }
}

/* ---------------------------------------------------------------- contact */
.contact { padding-block: var(--section); }
.contact .conteneur { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
                      gap: clamp(40px, 7vw, 112px); align-items: start; }
.contact h2 { font-size: clamp(2.6rem, 6vw, 4.75rem); line-height: 0.98; letter-spacing: -0.025em; }
.contact__texte { margin-top: 24px; max-width: 30em; }
.coordonnees { margin: clamp(36px, 5vw, 56px) 0 0; display: grid; gap: 22px; }
.coordonnees div { border-top: 1px solid var(--filet); padding-top: 14px; }
.coordonnees dt { color: var(--ardoise); font-size: 1rem; }
.coordonnees dd { margin: 4px 0 0; color: var(--encre); font-size: 1.25rem; font-weight: 500; }
.coordonnees dd a { color: var(--encre); }
.coordonnees dd a:hover { color: var(--vert-texte); }
.coordonnees .carte { display: inline-block; margin-top: 4px; font-size: 1rem; font-weight: 400;
                      color: var(--vert-texte); }
@media (max-width: 860px) { .contact .conteneur { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------- formulaire de contact */
.contact__formulaire { background: var(--papier); border-top: 2px solid var(--encre);
                       padding: clamp(24px, 4vw, 44px); }
.formulaire__grille { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 24px; }
.champ { display: grid; gap: 6px; align-content: start; }
.champ--large { grid-column: 1 / -1; }
.champ label { color: var(--encre); font-weight: 500; font-size: 1rem; }
.champ__facultatif { color: var(--ardoise); font-weight: 400; }
.champ input, .champ textarea {
  width: 100%; min-height: 48px; padding: 11px 14px;
  font: 400 1.0625rem/1.4 var(--police); color: var(--encre);
  background: var(--blanc); border: 1px solid var(--ardoise); border-radius: 4px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.champ textarea { resize: vertical; min-height: 150px; }
.champ input::placeholder, .champ textarea::placeholder { color: var(--gris-sombre); }
.champ input:focus, .champ textarea:focus { border-color: var(--vert-texte); box-shadow: 0 0 0 1px var(--vert-texte);
                                            outline: none; }
.champ input:user-invalid, .champ textarea:user-invalid { border-color: #B42318; box-shadow: 0 0 0 1px #B42318; }
@media (max-width: 560px) { .formulaire__grille { grid-template-columns: 1fr; } }

/* champ piège pour les robots : hors écran, jamais vu ni atteint au clavier */
.formulaire__piege { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* case « Je ne suis pas un robot » : l'écrou se visse pendant le calcul, se verrouille une fois vérifié */
.captcha { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 4px 14px;
           margin-top: 24px; padding: 14px 18px; background: var(--blanc); border: 1px solid var(--filet);
           border-radius: 4px; }
.captcha input[type=checkbox] { width: 26px; height: 26px; margin: 0; accent-color: var(--vert-texte);
                                cursor: pointer; }
.captcha label { color: var(--encre); font-weight: 500; cursor: pointer; }
.captcha__ecrou { width: 30px; height: auto; grid-row: span 2; }
.captcha__anneau { fill: var(--filet); transform-box: view-box; transform-origin: 43.3px 50px;
                   transition: fill .2s ease; }
.captcha__barre { fill: var(--filet); transition: fill .2s ease; }
.captcha__etat { grid-column: 2; font-size: .95rem; color: var(--ardoise); }
.captcha[data-etat="calcul"] .captcha__anneau { fill: var(--encre); animation: vissage .9s linear infinite; }
.captcha[data-etat="calcul"] .captcha__barre { fill: var(--vert); }
.captcha[data-etat="valide"] .captcha__anneau { fill: var(--encre); animation: serrage .6s cubic-bezier(.16, .84, .24, 1); }
.captcha[data-etat="valide"] .captcha__barre { fill: var(--vert); }
.captcha[data-etat="valide"] .captcha__etat { color: var(--vert-texte); }
.captcha[data-etat="erreur"] { border-color: #B42318; }
.captcha[data-etat="erreur"] .captcha__etat { color: #B42318; }
.captcha[data-etat="valide"] input[type=checkbox] { cursor: default; }
@keyframes vissage { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
  .captcha[data-etat] .captcha__anneau { animation: none; }
}

.formulaire__erreur { margin-top: 16px; padding: 12px 16px; background: #FDECEA; color: #7A1A12;
                      border-left: 3px solid #B42318; }
.formulaire__envoi { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; margin-top: 24px; }
.formulaire__envoi .bouton { border: 0; cursor: pointer; }
.formulaire__envoi .bouton:disabled { opacity: .6; cursor: progress; }
.formulaire__note { flex: 1 1 16em; font-size: .95rem; color: var(--ardoise); }
.formulaire__succes h3 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.formulaire__succes p { margin-top: 12px; }
.formulaire__succes:focus { outline: none; }
[hidden] { display: none !important; }

/* ---------------------------------------------------------------- pied de page */
.pied { background: var(--encre); color: var(--gris-sombre); padding-block: 56px 40px; font-size: 1rem; }
.pied .conteneur { display: grid; grid-template-columns: 1fr auto; gap: 32px 48px; align-items: end; }
.pied__logo img { height: 30px; width: auto; }
.pied__signature { margin-top: 16px; color: var(--blanc); font-size: 1.25rem; font-weight: 500; }
.pied ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 28px;
           justify-content: flex-end; }
.pied a { color: var(--gris-sombre); }
.pied a:hover { color: var(--vert-vif); }
.pied__legal { grid-column: 1 / -1; border-top: 1px solid var(--filet-sombre); padding-top: 20px;
               display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; }
@media (max-width: 700px) {
  .pied .conteneur { grid-template-columns: 1fr; }
  .pied ul { justify-content: flex-start; }
}

/* ---------------------------------------------------------------- pages de texte (mentions, 404) */
.page-texte { padding-block: clamp(56px, 8vw, 104px) var(--section); }
.page-texte .conteneur { max-width: calc(760px + 2 * var(--marge)); }
.page-texte h1 { font-size: clamp(2.4rem, 5vw, 3.5rem); line-height: 1.02; letter-spacing: -0.02em; }
.page-texte h2 { font-size: 1.6rem; margin-top: 48px; }
.page-texte h3 { font-size: 1.2rem; margin-top: 28px; }
.page-texte p, .page-texte ul, .page-texte dl { margin-top: 14px; }
.page-texte ul { padding-left: 1.2em; }
.page-texte dl { display: grid; grid-template-columns: minmax(0, 13em) minmax(0, 1fr); gap: 8px 24px; }
.page-texte dt { color: var(--ardoise); }
.page-texte dd { margin: 0; color: var(--encre); }
.page-texte .chapo { font-size: 1.25rem; margin-top: 20px; color: var(--ardoise); }
@media (max-width: 560px) { .page-texte dl { grid-template-columns: 1fr; gap: 2px; } .page-texte dd { margin-bottom: 12px; } }

/* Informations à compléter avant la mise en ligne : visibles pour ne pas être oubliées */
.a-completer { background: #FFF1B8; color: var(--encre); padding: 0 4px; border-radius: 2px; }

.page-404 { min-height: 60vh; display: flex; align-items: center; }
/* « 4 écrou 4 » : l'écrou remplace le zéro ; desserré, il se revisse au survol */
.erreur-404 { display: flex; align-items: center; gap: clamp(6px, 1.4vw, 16px); margin-bottom: 28px;
              font-size: clamp(5.5rem, 16vw, 10rem); font-weight: 600; line-height: 1; letter-spacing: -0.04em;
              color: var(--encre); user-select: none; }
.erreur-404 .ecrou-404 { width: auto; height: 0.8em; overflow: visible; }
.ecrou-404__gauche, .ecrou-404__droite { fill: var(--encre); }
.ecrou-404__barre { fill: var(--vert); }
.ecrou-404__piece { transform-box: view-box; transform-origin: 43.3px 50px; }
.ecrou-404__gauche { animation: jeu-gauche 3.2s ease-in-out infinite alternate; }
.ecrou-404__droite { animation: jeu-droite 3.6s ease-in-out infinite alternate; }
.ecrou-404__barre  { animation: jeu-barre 2.6s ease-in-out infinite alternate; }
@keyframes jeu-gauche { from { transform: translate(-4px, -3px) rotate(-7deg); }
                        to   { transform: translate(-1px, 1px) rotate(3deg); } }
@keyframes jeu-droite { from { transform: translate(4px, 3px) rotate(6deg); }
                        to   { transform: translate(1px, -2px) rotate(-4deg); } }
@keyframes jeu-barre  { from { transform: translate(-3px, 6px) rotate(-10deg); }
                        to   { transform: translate(2px, -3px) rotate(7deg); } }
/* au survol : l'écrou est revissé (même mouvement que sur l'accueil), la barre reprend sa place */
.erreur-404:hover .ecrou-404__gauche,
.erreur-404:hover .ecrou-404__droite { animation: serrage .9s cubic-bezier(.16, .84, .24, 1) both; }
.erreur-404:hover .ecrou-404__barre  { animation: barre .5s cubic-bezier(.2, .8, .2, 1) .45s both; }
.page-404__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.page-404__signaler { color: var(--ardoise); margin-top: 28px !important; }
.page-404__signaler a { color: var(--vert-texte); }
.page-404__astuce { display: none; font-size: .95rem; color: var(--gris-sombre); }
@media (hover: hover) and (prefers-reduced-motion: no-preference) { .page-404__astuce { display: block; } }
@media (prefers-reduced-motion: reduce) {
  .ecrou-404__piece, .erreur-404:hover .ecrou-404__piece { animation: none; }
}