:root{
  --bg:#0b0e14; --bg2:#111622; --panel:#141a27; --line:#222b3d;
  --fg:#e8ecf3; --muted:#9aa6bd; --accent:#7cf0c8; --accent2:#8ab4ff; --warn:#ffcf7a;
  --radius:14px; --max:1100px;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,7vw,4rem)}
h2{font-size:clamp(1.6rem,4.5vw,2.4rem)}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.skip{position:absolute;left:-999px;top:0;background:var(--accent);color:#000;padding:.5rem 1rem}
.skip:focus{left:1rem;z-index:10}

.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 16px;background:rgba(11,14,20,.8);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{font-family:var(--mono);color:var(--fg);font-weight:500;display:flex;align-items:center;gap:.5rem}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 2.4s infinite}
.top nav{display:flex;gap:1rem;font-size:.9rem}
.top nav a{color:var(--muted)}
.top nav a:hover{color:var(--fg);text-decoration:none}
@media (max-width:520px){.top nav a:nth-child(3){display:none}}

main{max-width:var(--max);margin:0 auto;padding:0 16px}
.section{padding:3.5rem 0 1rem}
.section-lead{color:var(--muted);max-width:60ch}

.hero{display:grid;gap:2rem;padding:3rem 0 1.5rem;align-items:center}
@media (min-width:860px){.hero{grid-template-columns:1.1fr 1fr;min-height:min(70vh,720px)}}
.eyebrow{font-family:var(--mono);font-size:.8rem;color:var(--accent);text-transform:uppercase;letter-spacing:.12em}
.lead{font-size:1.15rem;color:var(--muted);max-width:52ch}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem;margin:1.5rem 0}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:.7rem .8rem}
.stat b{display:block;font-size:1.35rem;font-weight:700;color:var(--fg);font-variant-numeric:tabular-nums}
.stat span{font-size:.75rem;color:var(--muted)}
.hero-cta{display:flex;gap:.7rem;flex-wrap:wrap}
.btn{display:inline-block;background:var(--accent);color:#06110d;font-weight:600;padding:.75rem 1.2rem;border-radius:999px;transition:transform .15s,box-shadow .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 8px 30px rgba(124,240,200,.25)}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}

.hero-visual{display:flex;justify-content:center}
.pc-wrap{width:min(100%,420px);filter:drop-shadow(0 30px 60px rgba(124,240,200,.12))}
.pc-wrap svg{width:100%;height:auto;display:block}
.fan{transform-origin:center;transform-box:fill-box;animation:spin 1.6s linear infinite}
.fan.slow{animation-duration:2.6s}
.glow{animation:glow 3s ease-in-out infinite}
.gpu-led{animation:led 2s ease-in-out infinite}
.pc-float{animation:float 6s ease-in-out infinite}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes glow{0%,100%{opacity:.55}50%{opacity:1}}
@keyframes led{0%,100%{opacity:.4}50%{opacity:1}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

.terminal-section{padding:1rem 0 2rem}
.terminal{background:#0a0d13;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.term-bar{display:flex;align-items:center;gap:.4rem;padding:.6rem .9rem;background:#121724;border-bottom:1px solid var(--line);font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.tl{width:11px;height:11px;border-radius:50%;display:inline-block}
.tl.r{background:#ff5f57}.tl.y{background:#febc2e}.tl.g{background:#28c840}
.term-title{margin-left:.6rem}
.term-speed{margin-left:auto;color:var(--accent);font-variant-numeric:tabular-nums}
.term-body{margin:0;padding:1rem .9rem;min-height:300px;max-height:60vh;overflow:auto;font-family:var(--mono);font-size:.84rem;line-height:1.6;white-space:pre-wrap;word-break:break-word;color:#d8deea}
@media (min-width:700px){.term-body{font-size:.9rem;padding:1.2rem 1.4rem}}
.term-body .p{color:var(--accent)}
.term-body .u{color:var(--fg);font-weight:500}
.term-body .dim{color:var(--muted)}
.term-body .k{color:var(--accent2)}
.term-body .s{color:var(--warn)}
.term-body .think{color:var(--muted);font-style:italic}
.term-body .cursor{display:inline-block;width:.55em;height:1.1em;background:var(--accent);vertical-align:-.2em;animation:pulse 1s steps(2) infinite}
.term-foot{display:flex;justify-content:space-between;align-items:center;padding:.5rem .9rem;border-top:1px solid var(--line);font-family:var(--mono);font-size:.75rem;color:var(--muted)}
.replay{background:none;border:1px solid var(--line);color:var(--fg);border-radius:999px;padding:.25rem .7rem;font-family:var(--mono);font-size:.75rem;cursor:pointer}
.replay:hover{border-color:var(--accent)}
.term-note{font-size:.85rem;color:var(--muted);margin-top:.8rem}

.cards{display:grid;gap:1rem}
@media (min-width:700px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem;display:flex;flex-direction:column;gap:.5rem;opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.card.in{opacity:1;transform:none}
.card .tag{font-family:var(--mono);font-size:.72rem;color:var(--accent);letter-spacing:.08em;text-transform:uppercase}
.card h3{margin:0}
.card .repo{font-family:var(--mono);font-size:.75rem;color:var(--muted);word-break:break-all}
.card dl{display:grid;grid-template-columns:auto 1fr;gap:.2rem .8rem;margin:.4rem 0 0;font-size:.88rem}
.card dt{color:var(--muted)}
.card dd{margin:0;font-variant-numeric:tabular-nums}
.card .fit{margin-top:auto;padding-top:.6rem;font-size:.85rem;color:var(--muted);border-top:1px dashed var(--line)}
.card .fit b{color:var(--accent)}

.parts{display:grid;gap:1rem}
.part{display:grid;grid-template-columns:56px 1fr;gap:1rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.part.in{opacity:1;transform:none}
.part .ico{width:56px;height:56px;border-radius:12px;background:var(--bg2);display:grid;place-items:center;color:var(--accent)}
.part .ico svg{width:30px;height:30px}
.part .cat{font-family:var(--mono);font-size:.72rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.part h3{margin:.1rem 0 .3rem;font-size:1.05rem}
.part .why{color:var(--muted);font-size:.92rem;margin:0 0 .6rem}
.part ul{margin:0 0 .6rem;padding-left:1.1rem;font-size:.85rem;color:var(--muted)}
.part .row{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;font-size:.9rem}
.part .price{font-weight:700;font-size:1.15rem;font-variant-numeric:tabular-nums}
.part .qty{color:var(--muted);font-size:.85rem}
.part .buy{font-family:var(--mono);font-size:.8rem}
.part .asin{font-family:var(--mono);font-size:.72rem;color:var(--muted)}
.part .verif{font-size:.75rem;color:var(--warn)}
.part .row{grid-column:1/-1;flex-direction:column;align-items:center;text-align:center;gap:.25rem;padding-top:.8rem;border-top:1px dashed var(--line)}
@media (min-width:700px){.part{grid-template-columns:64px 1fr auto}.part .row{grid-column:auto;align-items:flex-end;text-align:right;gap:.2rem;min-width:150px;padding-top:0;border-top:0}}
.parts.compact .part{padding:.8rem}

.ext{display:grid;gap:1rem}
@media (min-width:700px){.ext{grid-template-columns:1fr 1fr}}
.ext .card{opacity:1;transform:none}
.ext .bar{display:flex;gap:4px;margin:.5rem 0}
.ext .bar i{flex:1;height:10px;border-radius:3px;background:var(--line)}
.ext .bar i.on{background:var(--accent)}
.ext .bar i.next{background:transparent;border:1px dashed var(--accent)}

.total-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem;overflow:auto}
.total-table{width:100%;border-collapse:collapse;font-size:.92rem}
.total-table td{padding:.5rem .3rem;border-bottom:1px solid var(--line);vertical-align:top}
.total-table td:last-child{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.total-table tr.sub td{color:var(--muted);font-weight:600}
.total-table tr.grand td{font-size:1.15rem;font-weight:700;border-bottom:0;color:var(--accent)}
.total-table tr.service td{color:var(--fg)}
.total-note{font-size:.82rem;color:var(--muted);margin:.8rem 0 0}

footer{max-width:var(--max);margin:3rem auto 0;padding:1.5rem 16px 2.5rem;border-top:1px solid var(--line);font-size:.8rem;color:var(--muted)}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.card,.part{opacity:1;transform:none}}

/* ---- configurateur ---- */
.nav-cta{color:var(--accent)!important}
.config{display:grid;gap:1rem}
@media (min-width:860px){.config{grid-template-columns:repeat(3,1fr)}}
.opt{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:.9rem;margin:0;display:grid;gap:.5rem}
.opt legend{font-family:var(--mono);font-size:.72rem;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;padding:0 .4rem}
.choice{display:grid;grid-template-columns:auto 1fr;grid-template-areas:"i t" "i s" "i d";gap:.1rem .7rem;align-items:center;padding:.7rem .8rem;border:1px solid var(--line);border-radius:12px;cursor:pointer;transition:border-color .15s,background .15s,transform .15s}
.choice:hover{border-color:var(--accent2)}
.choice.on{border-color:var(--accent);background:rgba(124,240,200,.07)}
.choice input{grid-area:i;accent-color:var(--accent);width:18px;height:18px;margin:0}
.choice .t{grid-area:t;font-weight:600}
.choice .s{grid-area:s;font-size:.8rem;color:var(--muted)}
.choice .d{grid-area:d;font-family:var(--mono);font-size:.75rem;color:var(--accent2);font-variant-numeric:tabular-nums}
.choice.on .d{color:var(--accent)}
.live-total{color:var(--accent);font-variant-numeric:tabular-nums}

/* ---- devis ---- */
.devis-card{background:var(--panel);border:1px solid var(--accent);border-radius:var(--radius);padding:1.2rem;display:grid;gap:.9rem;box-shadow:0 20px 60px rgba(124,240,200,.08)}
.devis-card label{display:grid;gap:.3rem;font-size:.85rem;color:var(--muted)}
.devis-card input:not([type=checkbox]),.devis-card textarea{width:100%;background:var(--bg2);border:1px solid var(--line);border-radius:10px;color:var(--fg);padding:.65rem .8rem;font:inherit;font-size:1rem}
.devis-card input:focus,.devis-card textarea:focus{outline:2px solid var(--accent2);outline-offset:1px;border-color:transparent}
.devis-card .grid2{display:grid;gap:.9rem}
@media (min-width:700px){.devis-card .grid2{grid-template-columns:1fr 1fr}}
.devis-card .hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.devis-card .accept{grid-template-columns:auto 1fr;align-items:start;gap:.7rem;color:var(--fg);font-size:.95rem;padding:.8rem;border:1px dashed var(--line);border-radius:12px}
.devis-card .accept input{width:20px;height:20px;accent-color:var(--accent);margin-top:.15rem}
.devis-actions{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}
.devis-actions .btn{border:0;font:inherit;font-weight:600;cursor:pointer}
.devis-actions .btn:disabled{opacity:.5;cursor:wait;transform:none;box-shadow:none}
.devis-total{color:var(--muted);font-size:.95rem}
.devis-msg{margin:0;font-size:.9rem;color:var(--muted);min-height:1.2em}
.devis-msg.ok{color:var(--accent)}
.devis-msg.err{color:#ff8a80}