/* LegacIT, feuille de style commune à toutes les pages */
:root {
  --nuit: #071320;
  --surface: #0D1C2E;
  --surface-2: #10233A;
  --vert: #12B597;
  --vert-fonce: #087A6B;
  --vert-clair: #2FD3AE;
  --texte: #E4EEF2;
  --gris: #9AAEBB;
  --ligne: #1D3248;
  --mono: ui-monospace, "JetBrains Mono", "Cascadia Mono", Consolas, monospace;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--nuit);
  color: var(--texte);
  font-family: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}
a { color: var(--vert-clair); }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px; }
.etroit { max-width: 720px; }

/* ---------- Barre de navigation ---------- */
.nav { border-bottom: 1px solid var(--ligne); background: rgba(7,19,32,0.92); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(6px); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.marque { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 1.25rem; letter-spacing: 0.02em; }
.marque img { width: 38px; height: auto; }
.legac { color: var(--vert); }
.it { color: #fff; }
.nav ul { list-style: none; padding: 0; display: flex; gap: 4px; flex-wrap: wrap; }
.nav ul a { display: block; padding: 8px 12px; border-radius: 8px; color: var(--gris); text-decoration: none; font-size: 0.97rem; }
.nav ul a:hover { color: var(--texte); background: var(--surface); }
.nav ul a[aria-current="page"] { color: var(--vert-clair); background: var(--surface); }

/* ---------- En-tête de page ---------- */
.hero {
  text-align: center;
  padding: 64px 0 56px;
  background:
    radial-gradient(ellipse at 50% 35%, rgba(7,19,32,0.35) 0%, var(--nuit) 70%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' fill='none' stroke='%2312B597' stroke-opacity='.22' stroke-width='1.2'%3E%3Cpath d='M0 40h50l20 20h40M110 60v50l20 20h30M20 160v-40l20-20h30M90 0v20l-20 20M160 90h-20l-20-20'/%3E%3Ccircle cx='110' cy='60' r='3'/%3E%3Ccircle cx='70' cy='100' r='3'/%3E%3Ccircle cx='70' cy='40' r='3'/%3E%3Ccircle cx='120' cy='70' r='3'/%3E%3C/svg%3E");
}
.hero.petit { padding: 48px 0 40px; }
.hero .logo { width: 160px; height: auto; margin-bottom: 16px; filter: drop-shadow(0 0 28px rgba(18,181,151,0.35)); }
h1 { font-size: clamp(2.2rem, 8vw, 3.8rem); font-weight: 800; letter-spacing: 0.01em; line-height: 1.1; }
.devise { color: var(--gris); margin: 10px auto 0; font-size: 1.1rem; max-width: 620px; }
.badge {
  display: inline-flex; align-items: center; gap: 10px;
  margin-top: 24px; padding: 8px 18px;
  border: 1px solid var(--ligne); border-radius: 999px; background: var(--surface);
  font-family: var(--mono); font-size: 0.88rem; color: var(--vert-clair);
}
.badge::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--vert); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }
.boutons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 28px; }
.bouton { display: inline-block; padding: 12px 22px; border-radius: 10px; font-weight: 700; text-decoration: none; background: var(--vert); color: var(--nuit); }
.bouton:hover { background: var(--vert-clair); }
.bouton.secondaire { background: transparent; color: var(--texte); border: 1px solid var(--ligne); }
.bouton.secondaire:hover { border-color: var(--vert); }

/* ---------- Sections ---------- */
section { padding: 56px 0; }
section + section { border-top: 1px solid var(--ligne); }
.etiquette { font-family: var(--mono); font-size: 0.85rem; color: var(--vert-clair); letter-spacing: 0.06em; text-transform: uppercase; }
h2 { font-size: clamp(1.5rem, 4.5vw, 2rem); line-height: 1.25; margin: 6px 0 14px; }
h3 { font-size: 1.1rem; margin-bottom: 4px; }
.intro { color: var(--gris); max-width: 660px; font-size: 1.05rem; }
.texte p + p, .texte p + ul, .texte ul + p { margin-top: 12px; }
.texte ul { padding-left: 1.2em; }
.texte li + li { margin-top: 6px; }
.texte h2 { margin-top: 36px; }
.texte h2:first-child { margin-top: 0; }

.deux-colonnes { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; }
.deux-colonnes p + p { margin-top: 12px; }

/* Terminal décoratif */
.terminal { background: #050E18; border: 1px solid var(--ligne); border-radius: 12px; box-shadow: 0 20px 50px rgba(0,0,0,0.45); overflow: hidden; font-family: var(--mono); font-size: 0.86rem; line-height: 1.75; }
.terminal .barre { display: flex; gap: 7px; padding: 11px 14px; background: var(--surface); border-bottom: 1px solid var(--ligne); }
.terminal .barre span { width: 11px; height: 11px; border-radius: 50%; background: var(--ligne); }
.terminal pre { margin: 0; padding: 16px 18px; white-space: pre-wrap; color: var(--gris); font: inherit; }
.terminal .cmd { color: #fff; }
.terminal .ok { color: var(--vert-clair); }
.terminal .curseur { display: inline-block; width: 8px; height: 1em; background: var(--vert); vertical-align: -2px; animation: pulse 1s steps(1) infinite; }

/* Cartes */
.cartes { list-style: none; padding: 0; margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.cartes.trois { grid-template-columns: repeat(3, 1fr); }
.carte { position: relative; background: var(--surface); border: 1px solid var(--ligne); border-radius: 14px; padding: 22px 18px 20px; }
.carte p { color: var(--gris); font-size: 0.95rem; }
.numerotees { counter-reset: etape; }
.numerotees .carte::before { counter-increment: etape; content: "0" counter(etape); position: absolute; top: 16px; right: 18px; font-family: var(--mono); font-size: 0.8rem; color: var(--vert-fonce); }
.icone { width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center; background: rgba(18,181,151,0.12); color: var(--vert-clair); margin-bottom: 14px; }
.icone svg { width: 28px; height: 28px; }

/* Pastilles */
.pastilles { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.pastilles span { padding: 8px 16px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--ligne); font-size: 0.95rem; }

/* Listes à bord vert */
.liste-bord { list-style: none; padding: 0; display: grid; gap: 12px; margin-top: 22px; }
.liste-bord li { padding: 16px 20px; border-left: 3px solid var(--vert); background: var(--surface); border-radius: 0 12px 12px 0; }
.liste-bord strong { display: block; }
.liste-bord span { color: var(--gris); font-size: 0.95rem; }
.grille-3 { grid-template-columns: repeat(3, 1fr); }
.grille-2 { grid-template-columns: repeat(2, 1fr); }

/* Encadré */
.encadre { margin-top: 28px; padding: 22px 24px; border: 1px solid var(--vert-fonce); background: rgba(18,181,151,0.07); border-radius: 14px; }
.encadre p + p { margin-top: 8px; }

/* Zone à compléter (visible uniquement tant qu'elle n'est pas remplie) */
.a-completer { background: rgba(255,196,0,0.12); color: #FFD666; padding: 0 4px; border-radius: 4px; }

/* ---------- Pied de page ---------- */
footer { padding: 36px 0 44px; border-top: 1px solid var(--ligne); color: var(--gris); font-size: 0.88rem; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
footer .marque { font-size: 1rem; }
footer .marque img { width: 30px; }
footer ul { list-style: none; padding: 0; display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--gris); }
footer a:hover { color: var(--vert-clair); }

@media (max-width: 820px) {
  .deux-colonnes { grid-template-columns: 1fr; gap: 28px; }
  .cartes, .cartes.trois { grid-template-columns: 1fr 1fr; }
  .grille-3, .grille-2 { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .cartes, .cartes.trois { grid-template-columns: 1fr; }
  .nav .wrap { justify-content: center; padding-top: 8px; padding-bottom: 8px; }
  .nav ul a { padding: 6px 9px; font-size: 0.92rem; }
  .hero { padding: 48px 0 44px; }
}
@media (prefers-reduced-motion: reduce) {
  .badge::before, .terminal .curseur { animation: none; }
  html { scroll-behavior: auto; }
}
.hero.petit h1 { font-size: clamp(1.9rem, 6vw, 2.8rem); max-width: 760px; margin: 0 auto; }