/* Site de Ets. Luciano Services (et de sa filière L'S Tech). Une seule feuille, sans bibliothèque. */
:root {
  --nuit: #1B2556;      /* bleu nuit du logo */
  --nuit-2: #26336F;
  --rouge: #A3262A;     /* rouge du S */
  --cuivre: #B8862F;    /* circuits dorés du logo */
  --brume: #EEF1F7;
  --basalte: #1B1F24;
  --gris: #4E5A63;
  --blanc: #FFFFFF;
  --ligne: #D5DBE8;
  --or: #B8862F;
  --lac: #1B2556;
  --lac-clair: #26336F;
  --police: "Bricolage Grotesque", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--blanc); color: var(--basalte); font: 400 17px/1.6 var(--police); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--lac-clair); text-underline-offset: 3px; }
a:hover { color: var(--lac); }
:focus-visible { outline: 3px solid var(--or); outline-offset: 3px; border-radius: 4px; }
.enveloppe { width: min(1080px, 100% - 32px); margin-inline: auto; }
.texte { max-width: 64ch; }

/* En-tête */
.entete { background: var(--lac); color: var(--blanc); }
.entete .barre { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0; }
.marque { color: var(--blanc); text-decoration: none; font-weight: 800; letter-spacing: .02em; font-size: 18px; white-space: nowrap; }
.marque:hover { color: var(--or); }
.nav { display: flex; gap: 6px 16px; flex-wrap: wrap; justify-content: flex-end; font-size: 15px; }
@media (max-width: 520px) { .entete .barre { flex-wrap: wrap; } .nav { width: 100%; justify-content: flex-start; font-size: 14px; } }
.nav a { color: var(--brume); text-decoration: none; }
.nav a:hover { color: var(--or); }

/* Ouverture : le nom, avec l'accent du Ó dessiné en or, au-dessus des collines du lac */
.ouverture { background: var(--lac); color: var(--blanc); position: relative; overflow: hidden; padding: 36px 0 150px; }
.mot { margin: 0; font-weight: 800; line-height: .88; letter-spacing: -.02em; font-size: clamp(64px, 17vw, 196px); }
.mot .o { position: relative; display: inline-block; }
.mot .o::before { /* l'accent aigu, devenu le signe de la maison */
  content: ""; position: absolute; left: 58%; top: -.2em; width: .14em; height: .32em;
  background: var(--or); transform: skewX(-28deg); border-radius: 2px;
}
.mot-2 { display: block; font-weight: 600; letter-spacing: .02em; font-size: clamp(26px, 6.2vw, 64px); color: var(--brume); margin-top: 10px; }
.ouverture p.lead { font-size: clamp(18px, 2.4vw, 22px); max-width: 40ch; margin: 22px 0 26px; color: var(--brume); }
.collines { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 120px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.bouton { display: inline-block; font: 700 16px/1 var(--police); padding: 15px 22px; border-radius: 999px; text-decoration: none;
          background: var(--or); color: #1d1600; border: 2px solid var(--or); }
.bouton:hover { background: #e2c25a; color: #1d1600; }
.bouton.clair { background: transparent; color: var(--blanc); border-color: rgba(255,255,255,.55); }
.bouton.clair:hover { border-color: var(--blanc); color: var(--blanc); }

/* Sections */
section { padding: 56px 0; }
h2 { font-size: clamp(28px, 4.4vw, 40px); line-height: 1.1; margin: 0 0 14px; letter-spacing: -.01em; }
h3 { font-size: 21px; margin: 0 0 6px; }
.petit { font-size: 14px; color: var(--gris); }

/* Les filières : deux portes */
.portes { display: grid; gap: 16px; margin-top: 22px; }
@media (min-width: 760px) { .portes { grid-template-columns: 1.25fr 1fr; } }
.porte { border-radius: 18px; padding: 24px; display: flex; flex-direction: column; gap: 12px; }
.porte.tech { background: #000; color: #E6ECF2; }
.porte.tech img { width: 190px; }
.porte.tech a.bouton { align-self: flex-start; background: #1E8BFF; border-color: #1E8BFF; color: #fff; }
.porte.tech a.bouton:hover { background: #4aa3ff; }
.porte.autres { background: var(--brume); border: 1px dashed var(--ligne); }

/* GOEC */
.bande { background: var(--brume); }
.goec { display: grid; gap: 22px; align-items: start; }
@media (min-width: 820px) { .goec { grid-template-columns: 1.2fr 1fr; } }
.liste { margin: 0; padding-left: 0; list-style: none; display: grid; gap: 10px; }
.liste li { padding-left: 22px; position: relative; }
.liste li::before { content: ""; position: absolute; left: 2px; top: .62em; width: 9px; height: 3px; background: var(--or); transform: skewX(-28deg); }
.liens-goec { display: grid; gap: 10px; }
.liens-goec a { display: block; background: var(--blanc); border: 1px solid var(--ligne); border-radius: 12px; padding: 14px 16px; text-decoration: none; color: var(--basalte); font-weight: 600; }
.liens-goec a span { display: block; font-weight: 400; font-size: 14px; color: var(--gris); }
.liens-goec a:hover { border-color: var(--lac-clair); }

/* Contact */
.contacts { display: grid; gap: 10px; margin-top: 10px; }
.contacts a { font-weight: 600; white-space: nowrap; }

/* Pied de page */
.pied { background: var(--basalte); color: #C8D1D8; padding: 26px 0 34px; font-size: 14px; }
.pied a { color: #E8EEF2; }
.pied .lignes { display: flex; flex-wrap: wrap; gap: 8px 22px; justify-content: space-between; }

@media (prefers-reduced-motion: no-preference) {
  .mot .o::before { animation: accent .7s .25s both cubic-bezier(.2,.8,.2,1); }
  @keyframes accent { from { transform: translateY(-.25em) skewX(-28deg); opacity: 0; } to { transform: skewX(-28deg); opacity: 1; } }
}

/* Page L'S Tech : le noir du logo, l'argent et le bleu électrique */
body.lstech { background: #000; color: #E6ECF2; }
body.lstech a { color: #6CB6FF; }
body.lstech a:hover { color: #A9D4FF; }
body.lstech .entete { background: #000; border-bottom: 1px solid #1d2733; }
body.lstech .marque { color: #E6ECF2; }
.tech-ouverture { padding: 30px 0 48px; display: grid; gap: 20px; align-items: center; }
@media (min-width: 820px) { .tech-ouverture { grid-template-columns: 360px 1fr; gap: 40px; } }
.tech-ouverture img { width: min(360px, 82vw); }
.tech-ouverture h1 { font-size: clamp(34px, 5.6vw, 58px); line-height: 1.04; margin: 0 0 12px; letter-spacing: -.015em; color: #F2F5F8; }
.tech-ouverture p { font-size: 19px; color: #B9C4CF; max-width: 44ch; margin: 0 0 20px; }
.devise { display: flex; gap: 10px 18px; flex-wrap: wrap; font-weight: 700; font-size: 18px; color: #1E8BFF; margin: 0 0 22px; }
body.lstech .bouton { background: #1E8BFF; border-color: #1E8BFF; color: #fff; }
body.lstech .bouton:hover { background: #4aa3ff; border-color: #4aa3ff; }
body.lstech .bouton.clair { background: transparent; border-color: #3a4a5c; color: #E6ECF2; }
body.lstech section { border-top: 1px solid #141c26; }
.services { display: grid; gap: 14px; margin-top: 18px; }
@media (min-width: 760px) { .services { grid-template-columns: repeat(2, 1fr); } }
.service { padding: 18px 0 18px 18px; border-left: 3px solid #1E8BFF; }
.service h3 { color: #F2F5F8; }
.service p { margin: 0; color: #AEB9C4; }
.produit { display: grid; gap: 18px; background: #0A1626; border: 1px solid #1d2b3d; border-radius: 18px; padding: 24px; }
@media (min-width: 820px) { .produit { grid-template-columns: 1.3fr 1fr; } }
.produit .liste li::before { background: #D4AF37; }
.produit .liens-goec a { background: #0F1F33; border-color: #22364f; color: #E6ECF2; }
.produit .liens-goec a span { color: #9fb0c2; }
body.lstech .pied { background: #05070a; }

/* v2 (logo officiel) : ouverture claire avec le logo, collines du Kivu en bleu nuit */
.accueil { background: var(--blanc); position: relative; overflow: hidden; padding: 28px 0 130px; }
.accueil .grille { display: grid; gap: 18px; align-items: center; }
@media (min-width: 820px) { .accueil .grille { grid-template-columns: 380px 1fr; gap: 48px; } }
.accueil .logo { width: min(380px, 88vw); }
.accueil h1 { margin: 0 0 6px; font-weight: 800; font-size: clamp(34px, 5.4vw, 60px); line-height: 1.02; letter-spacing: -.015em; color: var(--nuit); }
.accueil .forme { margin: 0 0 14px; color: var(--rouge); font-weight: 600; }
.accueil .lead { font-size: clamp(18px, 2.2vw, 21px); max-width: 44ch; margin: 0 0 22px; color: #2b3340; }
.accueil .collines { position: absolute; left: 0; right: 0; bottom: -1px; width: 100%; height: 110px; }
.bouton.nuit { background: var(--nuit); border-color: var(--nuit); color: #fff; }
.bouton.nuit:hover { background: var(--nuit-2); color: #fff; }
.bouton.contour { background: transparent; color: var(--nuit); border-color: var(--nuit); }
.bouton.contour:hover { background: var(--brume); color: var(--nuit); }
.entete { background: var(--nuit); }
.services-lu { display: grid; gap: 4px 34px; margin-top: 18px; }
@media (min-width: 820px) { .services-lu { grid-template-columns: 1fr 1fr; } }
.service-lu { padding: 14px 0 14px 26px; position: relative; border-bottom: 1px solid var(--ligne); }
.service-lu::before { content: ""; position: absolute; left: 0; top: 24px; width: 14px; height: 4px; background: var(--rouge); transform: skewX(-28deg); }
.service-lu h3 { color: var(--nuit); }
.service-lu p { margin: 0; color: var(--gris); }
.bande-nuit { background: var(--nuit); color: #E9EDF7; }
.bande-nuit h2 { color: #fff; }
.bande-nuit a { color: #F1D9A8; }
.paiement { display: grid; gap: 14px; margin: 18px 0; }
@media (min-width: 760px) { .paiement { grid-template-columns: 1fr 1fr; } }
.moyen { border: 1px solid var(--ligne); border-radius: 16px; padding: 18px 20px; }
.moyen .numero { font-size: 26px; font-weight: 800; color: var(--nuit); letter-spacing: .01em; white-space: nowrap; }
.moyen .nom { font-weight: 600; color: var(--rouge); }
.etapes-lu { counter-reset: e; list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.etapes-lu li { counter-increment: e; padding-left: 40px; position: relative; }
.etapes-lu li::before { content: counter(e); position: absolute; left: 0; top: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--nuit); color: #fff; font-weight: 700; display: grid; place-items: center; font-size: 15px; }
.alerte { background: #FBEDEC; border-left: 4px solid var(--rouge); padding: 12px 16px; border-radius: 6px; }
.reseaux { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.reseaux a { border: 1px solid var(--ligne); border-radius: 999px; padding: 8px 14px; text-decoration: none; font-weight: 600; color: var(--nuit); }
.reseaux a:hover { border-color: var(--nuit); }
.etapes-lu a[href^="https://wa.me"], .contacts a, .texte a[href^="https://wa.me"] { white-space: nowrap; }