:root {
  --fond: #0d1022;
  --carte: rgba(255, 255, 255, 0.06);
  --bord: rgba(255, 255, 255, 0.12);
  --texte: #e9ecff;
  --doux: #a9b0d6;
  --accent: #7cf2c8;
  --accent2: #8a9bff;
  --chaud: #ffb86b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texte);
  background: radial-gradient(1200px 600px at 80% -10%, #2b2f6b 0%, transparent 60%),
              radial-gradient(900px 500px at -10% 110%, #11454a 0%, transparent 60%),
              var(--fond);
  line-height: 1.6;
}

.etoiles {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    radial-gradient(1px 1px at 10% 20%, #fff8, transparent),
    radial-gradient(1px 1px at 30% 70%, #fff6, transparent),
    radial-gradient(1.5px 1.5px at 55% 35%, #fffa, transparent),
    radial-gradient(1px 1px at 75% 80%, #fff7, transparent),
    radial-gradient(1.5px 1.5px at 90% 15%, #fff9, transparent),
    radial-gradient(1px 1px at 45% 90%, #fff5, transparent);
  animation: scintille 6s ease-in-out infinite alternate;
}
@keyframes scintille { from { opacity: .5; } to { opacity: 1; } }

main { max-width: 960px; margin: 0 auto; padding: 4rem 1.25rem 2rem; }

.hero { text-align: center; margin-bottom: 3rem; }
.badge {
  display: inline-block; margin: 0 0 1rem; padding: .25rem .8rem;
  border: 1px solid var(--bord); border-radius: 999px;
  color: var(--accent); font-size: .85rem; letter-spacing: .03em;
}
h1 {
  margin: 0; font-size: clamp(2.5rem, 7vw, 4.5rem); line-height: 1.1;
  background: linear-gradient(90deg, var(--accent), var(--accent2) 60%, var(--chaud));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.fusee { display: inline-block; -webkit-text-fill-color: initial; animation: decolle 3s ease-in-out infinite; }
@keyframes decolle { 50% { transform: translate(4px, -8px) rotate(-6deg); } }
.intro { max-width: 600px; margin: 1.25rem auto 0; color: var(--doux); font-size: 1.1rem; }

.tuiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.tuile, .carte {
  background: var(--carte); border: 1px solid var(--bord); border-radius: 18px;
  padding: 1.4rem; backdrop-filter: blur(6px);
}
.tuile { transition: transform .2s, border-color .2s; }
.tuile:hover { transform: translateY(-4px); border-color: var(--accent); }
.tuile h2 { margin: .4rem 0 .3rem; font-size: 1.4rem; }
.tuile p { margin: 0; color: var(--doux); font-size: .95rem; }
.icone { font-size: 2rem; }

.carte { margin-bottom: 1rem; }
.carte h2 { margin-top: 0; font-size: 1.25rem; color: var(--accent); }
.etapes { margin: 0; padding-left: 1.3rem; }
.etapes li { margin: .45rem 0; }

code { font-family: ui-monospace, "Cascadia Code", Menlo, monospace; font-size: .92em;
       background: rgba(255,255,255,.08); padding: .1em .35em; border-radius: 6px; }
pre { margin: 0 0 1rem; padding: 1rem 1.2rem; overflow-x: auto; background: #070915; border-radius: 12px; border: 1px solid var(--bord); }
pre code { background: none; padding: 0; font-size: 1rem; }
.code .c { color: var(--accent2); } .code .v { color: var(--chaud); } .code .s { color: var(--accent); } .code .k { color: #ff7ab6; }

a { color: var(--accent); }
.liens { display: flex; flex-wrap: wrap; gap: .75rem; justify-content: center; margin: 2rem 0 0; }
.liens a {
  text-decoration: none; color: var(--texte); padding: .65rem 1.1rem;
  border: 1px solid var(--bord); border-radius: 999px; background: var(--carte);
  transition: background .2s, border-color .2s;
}
.liens a:hover { border-color: var(--accent); background: rgba(124, 242, 200, .1); }

footer { text-align: center; color: var(--doux); font-size: .85rem; padding: 2rem 1rem 3rem; }