:root{
  --bg:#070b14; --surface:#0f1626; --surface-2:#141d33; --line:#1f2b47;
  --text:#e6ebf5; --muted:#8c99b5;
  --blue:#2f7bff; --green:#2dff9a;
  --font:"Sora",system-ui,sans-serif; --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{background:var(--bg);color:var(--text);font:400 1rem/1.7 var(--font);
  background-image:radial-gradient(circle at 85% -10%,rgba(47,123,255,.18),transparent 40%),linear-gradient(rgba(31,43,71,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(31,43,71,.6) 1px,transparent 1px);
  background-size:auto,48px 48px,48px 48px;background-attachment:fixed}
a{color:var(--green);text-underline-offset:3px}
a:hover{color:#fff}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
h1,h2,h3,h4{line-height:1.2;font-weight:700}
h1{font-size:clamp(2.6rem,7vw,4.6rem);letter-spacing:-.03em;margin:.4rem 0 1rem}
h2{font-size:clamp(1.8rem,4vw,2.4rem);margin-bottom:2rem;padding-left:1rem;border-left:4px solid var(--blue)}
h3{font-size:1.3rem;margin:2.5rem 0 1rem}
h4{font-size:1.05rem;margin-bottom:.5rem}
ul{padding-left:1.2rem}
section{max-width:1100px;margin:0 auto;padding:5rem 1.5rem}
.muted,.note{color:var(--muted);font-size:.95rem}
.todo{color:var(--muted);font-style:italic;border-left:2px dashed var(--line);padding-left:.7rem}

/* Navigation fixe */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.5rem;background:rgba(7,11,20,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.logo{font:600 1rem var(--mono);color:var(--text);text-decoration:none}
.logo span{color:var(--green)}
#menu{display:flex;gap:1.6rem}
#menu a{color:var(--muted);text-decoration:none;font-size:.92rem;padding:.2rem 0;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
#menu a:hover,#menu a.active{color:var(--text);border-color:var(--green)}
.burger{display:none;background:none;border:1px solid var(--line);color:var(--text);font-size:1.3rem;padding:.2rem .6rem;border-radius:6px;cursor:pointer}

/* Accueil */
.hero{min-height:100vh;display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:center;padding-top:7rem}
.lead{font-size:1.2rem;margin-bottom:1rem}
.hero-text p{margin-bottom:.8rem;max-width:60ch}
.actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:1.8rem}
.btn{display:inline-block;padding:.8rem 1.4rem;border:1px solid var(--blue);border-radius:8px;color:var(--text);text-decoration:none;font-weight:600;transition:background .2s,transform .2s}
.btn:hover{background:var(--surface-2);color:#fff;transform:translateY(-2px)}
.btn.primary{background:var(--blue);box-shadow:0 0 24px rgba(47,123,255,.45)}
.btn.primary:hover{background:#4a8cff}
.terminal{background:#050810;border:1px solid var(--line);border-radius:12px;box-shadow:0 0 60px rgba(47,123,255,.2);overflow:hidden}
.term-bar{display:flex;align-items:center;gap:.4rem;padding:.7rem 1rem;background:var(--surface);border-bottom:1px solid var(--line)}
.term-bar i{width:11px;height:11px;border-radius:50%;background:var(--line)}
.term-bar i:first-child{background:var(--green)}
.term-bar span{margin-left:auto;font:.8rem var(--mono);color:var(--muted)}
.terminal pre{padding:1.2rem;font:.85rem/1.8 var(--mono);color:var(--muted);overflow-x:auto}
.terminal b{color:var(--blue)}
.terminal em{color:var(--green);font-style:normal}
.terminal u{display:inline-block;width:.6em;height:1em;background:var(--green);vertical-align:text-bottom;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* Composants */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.2rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:1.4rem}
.card.project{display:flex;flex-direction:column;gap:.8rem}
.card.project a{margin-top:auto}
.tags{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:.5rem}
.tags li{font:.8rem var(--mono);padding:.25rem .65rem;border-radius:999px;background:rgba(47,123,255,.12);border:1px solid rgba(47,123,255,.4);color:#b9d0ff}
.tags.comp li{background:rgba(45,255,154,.1);border-color:rgba(45,255,154,.45);color:var(--green)}

/* Chronologie */
.timeline{border-left:2px solid var(--blue);margin-left:.5rem;padding-left:1.8rem;display:grid;gap:1.5rem}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-2.3rem;top:.5rem;width:12px;height:12px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}
.tl-item time{font:.85rem var(--mono);color:var(--green)}

/* Expériences */
.xp{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:1.5rem;overflow:hidden}
.xp header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.8rem;padding:1.1rem 1.5rem;background:var(--surface-2);border-bottom:1px solid var(--line)}
.xp h3{margin:0}
.badge{font:.8rem var(--mono);color:var(--green);border:1px solid rgba(45,255,154,.4);padding:.25rem .7rem;border-radius:6px}
.xp-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.5rem;padding:1.5rem}
.proofs{border:1px dashed var(--green);border-radius:8px;padding:1rem;background:rgba(45,255,154,.04)}
.proofs .tags{margin-bottom:.8rem}
.links{padding-left:1.1rem}

/* Atelier / Veille */
.projet-mode{margin-top:3rem;padding-top:.5rem;border-top:1px solid var(--line)}
.veille-intro{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem}
.feed{display:grid;gap:1rem}
.post{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:8px;padding:1.2rem 1.4rem}
.post time{font:.8rem var(--mono);color:var(--green)}
.post h4{margin:.3rem 0}
.post p{color:var(--muted)}

footer{text-align:center;padding:2rem 1rem;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}

/* Responsive */
@media(max-width:860px){
  .hero{grid-template-columns:1fr;padding-top:6rem;min-height:auto}
  .burger{display:block}
  #menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--surface);border-bottom:1px solid var(--line)}
  #menu.open{display:flex}
  #menu a{padding:.9rem 1.5rem;border:0}
  section{padding:4rem 1.2rem}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}