/* ELIPTEC — site vitrine statique.
   Charte du 10/08/2026 (arbitrée par Eric) : héros « nuit maillée », rouge du
   logo en accent, cartes de marque repliées, Sora/Inter auto-hébergées.
   Aucune ressource externe : polices et images vivent dans le site. */

@font-face {
  font-family: 'Sora';
  src: url('/polices/sora.woff2') format('woff2');
  font-weight: 100 800;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/polices/inter.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --nuit: #1b1730;
  --violet-profond: #2e2752;
  --violet: #5b4e96;
  --rouge: #d63637;
  --rouge-fonce: #b92b2c;
  --rouge-clair: #ff6b6b;
  --lavande: #7f8bb2;
  --lavande-pale: #f4f3fa;
  --encre: #1e1e2a;
  --gris: #6b7280;
  --trait: #e5e7eb;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: Inter, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--encre);
  background: #fff;
  line-height: 1.65;
}

h1, h2, h3, h4 { font-family: Sora, Inter, sans-serif; }
img { max-width: 100%; height: auto; }
a { color: var(--violet); }

/* ----------------------------------------------------------- en-tête */
.entete {
  position: sticky; top: 0; z-index: 10;
  background: var(--nuit);
  color: #fff;
}
.entete-inner {
  max-width: 1150px; margin: 0 auto; padding: 14px 22px;
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.entete img { height: 36px; width: auto; display: block; }
.entete nav { margin-left: auto; display: flex; gap: 2px; flex-wrap: wrap; }
.entete nav a {
  color: #d6d1ee; text-decoration: none; font-weight: 500; font-size: .93rem;
  padding: 8px 14px; border-radius: 8px; border-bottom: 2px solid transparent;
}
.entete nav a:hover { color: #fff; background: rgba(255, 255, 255, .07); }
.entete nav a.actif { color: #fff; border-bottom-color: var(--rouge); border-radius: 8px 8px 0 0; }

/* ------------------------------------------------- héros « nuit maillée » */
.heros {
  position: relative; overflow: hidden; color: #fff;
  background:
    url('/assets/maillage.svg') center / cover no-repeat,
    linear-gradient(120deg, var(--nuit) 0%, var(--violet-profond) 55%, var(--violet) 100%);
  background-blend-mode: normal;
}
.heros-inner {
  max-width: 1150px; margin: 0 auto; padding: 64px 22px;
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 28px; align-items: center;
}
.heros .sur-titre {
  font-size: .8rem; letter-spacing: .17em; text-transform: uppercase;
  color: #c9c2ec; font-weight: 600; margin-bottom: 12px;
}
.heros h1 {
  font-size: clamp(1.9rem, 4.2vw, 2.9rem); line-height: 1.18; font-weight: 700;
}
.heros h1 em { font-style: normal; color: var(--rouge-clair); }
.heros p.accroche { color: #cfc9ea; max-width: 560px; margin: 16px 0 26px; font-size: 1.05rem; }
.heros .visuel { text-align: center; }
.heros .visuel img { max-height: 300px; width: auto; filter: drop-shadow(0 18px 32px rgba(0, 0, 0, .45)); }

/* Variante compacte pour les pages intérieures : sans visuel. */
.heros.page .heros-inner { grid-template-columns: 1fr; padding: 46px 22px; }
.heros.page p.accroche { margin-bottom: 0; }

/* ------------------------------------------------------------ boutons */
.btn {
  display: inline-block; font-weight: 600; border-radius: 10px;
  padding: 12px 26px; text-decoration: none; font-size: .96rem; border: 0; cursor: pointer;
}
.btn-rouge { background: var(--rouge); color: #fff; }
.btn-rouge:hover { background: var(--rouge-fonce); }
.btn-contour { border: 1.5px solid rgba(255, 255, 255, .5); color: #fff; margin-left: 10px; }
.btn-contour:hover { background: rgba(255, 255, 255, .1); }

/* ---------------------------------------------------------- sections */
.section { max-width: 1150px; margin: 0 auto; padding: 56px 22px; }
.section.douce { max-width: none; background: var(--lavande-pale); }
.section.douce > .inner { max-width: 1150px; margin: 0 auto; padding: 0 22px; }

.etiquette {
  display: inline-block; font-size: .75rem; font-weight: 600; letter-spacing: .15em;
  text-transform: uppercase; color: var(--rouge); margin-bottom: 6px;
}
h2 { font-size: 1.65rem; line-height: 1.25; margin-bottom: 14px; color: var(--violet-profond); }
.section p, .section li { color: #3a3f4b; }

/* Cartes des deux univers (accueil) */
.univers { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 26px; }
.univers a.carte {
  display: block; padding: 28px; border: 1px solid var(--trait); border-radius: 16px;
  text-decoration: none; color: inherit; position: relative; overflow: hidden;
  background: linear-gradient(150deg, var(--lavande-pale), #fff 65%);
  transition: box-shadow .18s, transform .18s;
}
.univers a.carte::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(var(--rouge), var(--violet));
}
.univers a.carte:hover { box-shadow: 0 14px 32px rgba(46, 39, 82, .16); transform: translateY(-2px); }
.univers .carte h3 { color: var(--violet-profond); font-size: 1.22rem; margin-bottom: 8px; }
.univers .carte .suite { display: inline-block; margin-top: 14px; font-weight: 600; color: var(--rouge); }

/* Atouts avec icône (accueil) */
.atouts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 26px; }
.atout { background: #fff; border: 1px solid var(--trait); border-radius: 14px; padding: 22px; }
.atout svg { stroke: var(--violet); display: block; margin-bottom: 12px; }
.atout h3 { color: var(--violet-profond); font-size: 1.02rem; margin-bottom: 6px; }
.atout p { font-size: .92rem; }

/* Barre des logos de marques (accueil) */
.barre-logos {
  display: flex; gap: 36px; align-items: center; flex-wrap: wrap; justify-content: center;
  background: #fff; border: 1px solid var(--trait); border-radius: 16px; padding: 24px 28px;
}
.barre-logos img { height: 26px; width: auto; filter: grayscale(1) opacity(.55); transition: filter .2s; }
.barre-logos img:hover { filter: none; }

/* Chiffres clés (accueil) */
.chiffres { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 22px; }
.chiffre {
  background: var(--violet-profond); color: #fff; border-radius: 16px;
  padding: 24px 18px; text-align: center;
}
.chiffre strong { font-family: Sora; font-size: 2.1rem; display: block; line-height: 1.2; }
.chiffre strong em { font-style: normal; color: var(--rouge-clair); }
.chiffre span { font-size: .84rem; color: #c9c2ec; }

/* --------------------------------------------- cartes de marque repliées */
.marques { display: grid; gap: 20px; margin-top: 26px; }
details.marque {
  border: 1px solid var(--trait); border-radius: 16px; overflow: hidden;
  background: linear-gradient(150deg, var(--lavande-pale), #fff 70%);
  position: relative;
}
details.marque::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: linear-gradient(var(--rouge), var(--violet)); z-index: 1;
}
details.marque summary {
  list-style: none; cursor: pointer; padding: 26px 28px;
  display: grid; grid-template-columns: 1fr 210px; gap: 20px; align-items: center;
}
details.marque summary::-webkit-details-marker { display: none; }
details.marque summary .logo { height: 32px; width: auto; margin-bottom: 12px; display: block; }
details.marque summary h3 { color: var(--violet-profond); font-size: 1.18rem; margin-bottom: 6px; }
details.marque summary p { color: var(--gris); font-size: .95rem; max-width: 640px; }
details.marque summary .visuel { text-align: center; }
details.marque summary .visuel img { max-height: 150px; width: auto; filter: drop-shadow(0 10px 20px rgba(46, 39, 82, .22)); }
details.marque summary .deplier {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 12px;
  font-weight: 600; font-size: .88rem; color: var(--rouge);
}
details.marque summary .deplier::after { content: "▾"; transition: transform .2s; }
details.marque[open] summary .deplier::after { transform: rotate(180deg); }
details.marque .detail { padding: 0 28px 26px; background: #fff; }
details.marque .detail-inner { border-top: 1px solid var(--trait); padding-top: 18px; }
details.marque .detail h4 { color: var(--violet); font-size: 1rem; margin: 14px 0 4px; }
details.marque .detail ul { margin: 6px 0 0 20px; }
details.marque .detail li { margin: 3px 0; }
details.marque .detail img.pleine { border-radius: 12px; margin-top: 16px; }

/* Bande d'ambiance : photo pleine largeur avec voile violet. */
.ambiance {
  position: relative; margin: 0; min-height: 300px; color: #fff;
  background-size: cover; background-position: center;
  display: flex; align-items: flex-end;
}
.ambiance::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(27, 23, 48, .15), rgba(27, 23, 48, .75));
}
.ambiance .legende {
  position: relative; max-width: 1150px; margin: 0 auto; width: 100%;
  padding: 26px 22px; font-family: Sora; font-size: 1.15rem; font-weight: 600;
}

/* Appel à l'action */
.cta {
  position: relative; overflow: hidden;
  background:
    url('/assets/maillage.svg') center / cover no-repeat,
    linear-gradient(120deg, var(--violet-profond), var(--violet));
  color: #fff; text-align: center; padding: 54px 22px;
}
.cta h2 { color: #fff; margin-bottom: 20px; }

/* ----------------------------------------------------------- contact */
.contact-grille { display: grid; grid-template-columns: 340px 1fr; gap: 40px; margin-top: 22px; }
.contact-coordonnees p { margin: 10px 0; }
.contact-coordonnees strong { display: block; color: var(--violet-profond); font-family: Sora; font-size: .92rem; }
.formulaire { display: grid; gap: 14px; }
.formulaire .deux { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.formulaire label { font-weight: 600; font-size: .9rem; display: block; margin-bottom: 4px; }
.formulaire input, .formulaire textarea {
  width: 100%; padding: 11px 13px; border: 1px solid var(--trait); border-radius: 10px;
  font: inherit; background: #fff;
}
.formulaire input:focus, .formulaire textarea:focus {
  outline: 2px solid var(--lavande); border-color: var(--violet);
}
.formulaire textarea { min-height: 140px; resize: vertical; }
.formulaire button { justify-self: start; }
.form-ok { color: #1a7f4e; font-weight: 600; }
.form-erreur { color: var(--rouge-fonce); font-weight: 600; }

/* ------------------------------------------------------- pied de page */
.pied {
  position: relative; overflow: hidden;
  background: url('/assets/maillage.svg') center / cover no-repeat, var(--nuit);
  color: #cfd3dc;
}
.pied-inner {
  max-width: 1150px; margin: 0 auto; padding: 44px 22px;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px;
}
.pied img { height: 32px; width: auto; margin-bottom: 12px; }
.pied h4 { color: #fff; margin-bottom: 10px; font-size: .82rem; text-transform: uppercase; letter-spacing: .12em; }
.pied a { color: #cfd3dc; text-decoration: none; display: block; margin: 6px 0; }
.pied a:hover { color: #fff; }
.pied .legal {
  position: relative; border-top: 1px solid #333a4a; text-align: center;
  padding: 14px 22px; font-size: .85rem;
}

/* ----------------------------------------------------------- réactif */
@media (max-width: 880px) {
  .heros-inner { grid-template-columns: 1fr; padding: 44px 22px; }
  .heros .visuel img { max-height: 200px; }
  .univers, .contact-grille { grid-template-columns: 1fr; }
  .atouts, .chiffres { grid-template-columns: 1fr 1fr; }
  details.marque summary { grid-template-columns: 1fr; }
  details.marque summary .visuel { order: -1; }
  details.marque summary .visuel img { max-height: 110px; }
  .pied-inner { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .atouts, .chiffres { grid-template-columns: 1fr; }
  .formulaire .deux { grid-template-columns: 1fr; }
  .btn-contour { margin-left: 0; margin-top: 10px; }
}