/* ===== Tokens partages ===== */
:root{
  --accent:#7C5CFC; --accent-active:#6A4BE0; --accent-soft:#a78bfa;
  --ok:#1F8A57; --warn:#FDCB6E; --danger:#E1846F; --info:#5BA3FC;
  --r-xl:18px; --r-lg:14px; --r-md:12px; --r-sm:10px;
  --sans:'Segoe UI Variable Text','Segoe UI',Inter,system-ui,sans-serif;
  --mono:'JetBrains Mono',monospace;
  --shadow-win:0 20px 60px rgba(0,0,0,.45);
  --shadow-accent:0 6px 18px rgba(124,92,252,.45);
  --maxw:1120px;
}
/* ===== Theme sombre (defaut) ===== */
:root{
  --ink:#E6EAF0; --muted:#8B94A7; --faint:#5B6679;
  --line:rgba(255,255,255,.12);
  --glass-bg:rgba(255,255,255,.07); --glass-bd:rgba(255,255,255,.14);
  --dense-bg:rgba(13,16,24,.55); --dense-bd:rgba(255,255,255,.12);
  --win-hover:rgba(255,255,255,.10);
  --ambient:
    radial-gradient(46% 60% at 82% -5%, rgba(168,85,247,.28), transparent 60%),
    radial-gradient(55% 70% at 0% 28%, rgba(99,102,241,.28), transparent 55%),
    radial-gradient(60% 80% at 60% 112%, rgba(59,130,246,.18), transparent 55%),
    #07080D;
}
/* ===== Theme clair ===== */
html[data-theme="light"]{
  --ink:#1a1530; --muted:#5b5570; --faint:#8a86a0;
  --line:rgba(30,20,60,.12);
  --glass-bg:rgba(255,255,255,.55); --glass-bd:rgba(255,255,255,.8);
  --dense-bg:rgba(255,255,255,.6); --dense-bd:rgba(255,255,255,.7);
  --win-hover:rgba(30,20,60,.07);
  --shadow-win:0 20px 60px rgba(80,60,160,.22);
  --ambient:
    radial-gradient(46% 60% at 82% -5%, rgba(168,85,247,.30), transparent 60%),
    radial-gradient(55% 70% at 0% 28%, rgba(99,102,241,.26), transparent 55%),
    radial-gradient(60% 80% at 60% 112%, rgba(59,130,246,.20), transparent 55%),
    #eef0f7;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ambient); background-attachment:fixed;
  color:var(--ink); font-family:var(--sans); line-height:1.6;
  font-size:14px; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;position:relative;z-index:2}
.mono{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-soft)}
.eyebrow{margin-bottom:14px}
::selection{background:var(--accent);color:#fff}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(124,92,252,.4);border-radius:10px}

.glass{background:var(--glass-bg);backdrop-filter:blur(22px) saturate(150%);-webkit-backdrop-filter:blur(22px) saturate(150%);border:1px solid var(--glass-bd)}
.glass-dense{background:var(--dense-bg);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);border:1px solid var(--dense-bd)}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.rv.in{opacity:1;transform:none}

/* boutons */
.btn{font-family:var(--sans);font-weight:600;font-size:.9rem;padding:11px 20px;border-radius:var(--r-sm);background:linear-gradient(135deg,var(--accent),var(--accent-active));color:#fff;box-shadow:var(--shadow-accent);transition:transform .15s,filter .2s;display:inline-block}
.btn:hover{transform:translateY(-2px);filter:brightness(1.1)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--glass-bd);box-shadow:none}
.btn.ghost:hover{border-color:var(--accent)}
/* Fenetre produit facon Windows 11 */
.winframe{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-win)}
.winframe .titlebar{height:34px;display:flex;align-items:center;justify-content:space-between;padding:0 6px 0 12px;border-bottom:1px solid var(--glass-bd)}
.winframe .titlebar .t{display:flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;color:var(--ink)}
.winframe .titlebar .t img{width:16px;height:16px}
.winframe .wbtns{display:flex}
.winframe .wbtns button{width:40px;height:34px;border:0;background:transparent;color:var(--muted);display:flex;align-items:center;justify-content:center;cursor:default}
.winframe .wbtns button:hover{background:var(--win-hover)}
.winframe .wbtns button.close:hover{background:#E81123;color:#fff}
.winframe .winbody{padding:24px}
/* jauge de score */
.scoreline{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.scoreline .val{font-size:2.6rem;font-weight:700;color:var(--accent-soft);line-height:1}
.gauge{height:8px;border-radius:8px;background:var(--line);overflow:hidden;margin-bottom:22px}
.gauge i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--accent-active),var(--accent));border-radius:8px;transition:width 1.4s ease}
.reco{color:var(--muted);line-height:1.9;font-family:var(--mono);font-size:.82rem}
.reco .ok{color:var(--accent-soft)} .reco .warn{color:var(--warn)} .reco b{color:var(--ink)}
/* theme toggle */
.theme-toggle{width:46px;height:24px;border-radius:99px;border:1px solid var(--glass-bd);background:var(--glass-bg);position:relative;cursor:pointer;flex-shrink:0}
.theme-toggle .knob{position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:var(--accent);transition:left .2s,background .2s}
html[data-theme="light"] .theme-toggle .knob{left:24px}
nav{position:sticky;top:0;z-index:50}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
nav{backdrop-filter:blur(12px);background:var(--glass-bg);border-bottom:1px solid var(--line)}
.logo{font-weight:600;font-size:.95rem;display:flex;align-items:center;gap:10px}
.navlinks{display:flex;gap:26px;align-items:center}
.navlinks a.hide-m{font-size:.88rem;color:var(--muted);transition:color .2s}
.navlinks a.hide-m:hover{color:var(--ink)}
header{padding:110px 0 90px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.tag{display:inline-flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:100px;padding:7px 16px;margin-bottom:28px}
.tag .pulse{width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(124,92,252,.5)}50%{opacity:.6;box-shadow:0 0 0 6px rgba(124,92,252,0)}}
.tag span{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
h1{font-weight:700;font-size:clamp(2.3rem,4.6vw,3.6rem);line-height:1.08;letter-spacing:-.02em}
h1 em{font-style:normal;color:var(--accent-soft)}
.lede{margin-top:24px;font-size:clamp(1rem,1.6vw,1.18rem);color:var(--muted);max-width:54ch}
.hero-cta{margin-top:34px;display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.hero-note{font-family:var(--mono);font-size:.74rem;color:var(--faint)}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-window{order:-1}}
@media(max-width:760px){.navlinks .hide-m{display:none}}
section{padding:84px 0;border-top:1px solid var(--line)}
.sec-title{font-weight:700;font-size:clamp(1.7rem,3vw,2.4rem);line-height:1.12;letter-spacing:-.015em;max-width:22ch;margin-top:14px}
.sec-intro{color:var(--muted);max-width:60ch;margin-top:16px;font-size:1.05rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
.card{border-radius:var(--r-lg);padding:30px}
.card h3{font-weight:600;font-size:1.05rem;margin-bottom:16px}
.card.bad h3{color:var(--danger)} .card.good h3{color:var(--accent-soft)}
.card ul{list-style:none}
.card li{padding:9px 0 9px 26px;position:relative;color:var(--muted);font-size:.96rem;border-bottom:1px solid var(--line)}
.card li:last-child{border-bottom:none}
.card li::before{position:absolute;left:0;font-family:var(--mono)}
.card.bad li::before{content:"\00d7";color:var(--danger)} .card.good li::before{content:"\2713";color:var(--accent-soft)}
.pipe{margin-top:48px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step{border-radius:var(--r-md);padding:22px;transition:border-color .25s}
.step .num{font-family:var(--mono);font-size:.72rem;color:var(--accent-soft)}
.step h4{font-weight:600;font-size:1rem;margin:12px 0 8px}
.step p{font-size:.88rem;color:var(--muted)}
.card,.step{background:var(--glass-bg);border:1px solid var(--line)}
@media(max-width:900px){.pipe{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){.split{grid-template-columns:1fr}}
@media(max-width:520px){.pipe{grid-template-columns:1fr}}
.feats{margin-top:46px;display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feat{padding:26px;border-radius:var(--r-lg);background:var(--glass-bg);border:1px solid var(--line)}
.feat .ic{width:38px;height:38px;border-radius:9px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;margin-bottom:16px;font-family:var(--mono);color:var(--accent-soft)}
.feat h4{font-weight:600;font-size:1.08rem;margin-bottom:10px}
.feat p{color:var(--muted);font-size:.94rem}
.showcase{margin-top:50px;display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:center}
.showcase-title{font-weight:600;font-size:1.5rem;margin-bottom:14px}
.uses{margin-top:44px;display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.use{display:flex;gap:16px;padding:22px;border-radius:var(--r-md);background:var(--glass-bg);border:1px solid var(--line)}
.use .k{font-family:var(--mono);color:var(--accent-soft);font-size:.9rem;flex-shrink:0}
.use p{font-size:.95rem;color:var(--muted)} .use b{color:var(--ink)}
@media(max-width:820px){.feats{grid-template-columns:1fr}.showcase{grid-template-columns:1fr}}
@media(max-width:760px){.uses{grid-template-columns:1fr}}
.features{margin-top:44px}
.features h4{font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:18px;color:var(--accent-soft)}
.features ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:0 36px}
.features li{padding:11px 0 11px 26px;position:relative;border-bottom:1px solid var(--line);font-size:.95rem;color:var(--muted)}
.features li::before{content:"\2713";position:absolute;left:0;font-family:var(--mono);color:var(--accent-soft)}
.tech{margin-top:42px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tech>div{border:1px solid var(--line);border-radius:var(--r-sm);padding:18px;background:var(--glass-bg)}
.tech .lbl{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin-bottom:8px}
.tech .v{font-size:.92rem;color:var(--ink)}
details{border-bottom:1px solid var(--line);padding:22px 0}
details summary{cursor:pointer;font-weight:600;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;align-items:center}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";font-family:var(--mono);color:var(--accent-soft);font-size:1.3rem;transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);margin-top:14px;font-size:.97rem}
footer{border-top:1px solid var(--line);padding:50px 0 70px;color:var(--muted)}
.foot-grid{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;flex-wrap:wrap}
footer .logo{color:var(--ink);margin-bottom:14px}
footer p{font-size:.88rem;max-width:40ch}
.foot-meta{font-family:var(--mono);font-size:.72rem;color:var(--faint);text-align:right;line-height:2}
@media(max-width:760px){.features ul{grid-template-columns:1fr}}
@media(max-width:820px){.tech{grid-template-columns:repeat(2,1fr)}}
.download{text-align:center;border-radius:var(--r-xl);border:1px solid var(--line);padding:60px 32px;background:radial-gradient(70% 120% at 50% 0%,rgba(124,92,252,.16),transparent 60%),var(--glass-bg)}
.download h2{font-weight:700;font-size:clamp(1.7rem,3.4vw,2.6rem);letter-spacing:-.02em}
.download p{color:var(--muted);max-width:48ch;margin:16px auto 30px}
.specs{display:flex;gap:28px;justify-content:center;flex-wrap:wrap;margin-top:30px;font-family:var(--mono);font-size:.76rem;color:var(--faint)}
.specs span{display:flex;align-items:center;gap:8px}
.specs span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.dl-notice{display:inline-block;margin-bottom:18px;padding:10px 18px;border-radius:var(--r-sm);background:rgba(253,203,110,.12);border:1px solid rgba(253,203,110,.35);color:var(--warn);font-size:.88rem}