/* 4DSPACE design system - dark cosmic, flamboyant, performant */
:root{
  --bg:#05060f;--bg2:#0a0c1d;--surface:rgba(255,255,255,.045);--surface2:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.1);--text:#e9ecff;--muted:#a3a9cf;--muted2:#7c82ab;
  --violet:#8b5cf6;--cyan:#22d3ee;--pink:#f472b6;--lime:#a3e635;--amber:#fbbf24;
  --grad:linear-gradient(120deg,#8b5cf6 0%,#22d3ee 50%,#f472b6 100%);
  --grad2:linear-gradient(135deg,#6d28d9,#0891b2);
  --radius:20px;--radius-s:12px;--shadow:0 20px 60px rgba(0,0,0,.45);
  --glow:0 0 40px rgba(139,92,246,.35),0 0 80px rgba(34,211,238,.15);
  --font-h:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-b:"Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font-b);font-size:17px;line-height:1.7;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--font-h);line-height:1.15;letter-spacing:-.02em;margin:0 0 .6em;font-weight:700}
h1{font-size:clamp(2rem,5vw,3.6rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem);margin-top:1.6em}
h3{font-size:1.25rem;margin-top:1.4em}
p{margin:0 0 1.1em}
ul,ol{padding-left:1.3em}
li{margin:.3em 0}
strong{color:#fff}
.container{max-width:var(--max);margin:0 auto;padding:0 clamp(16px,4vw,40px)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* Background layers */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;background:radial-gradient(ellipse at 50% -20%,#1a1740 0%,var(--bg) 60%)}
.aurora span{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;mix-blend-mode:screen;animation:drift 22s ease-in-out infinite alternate}
.aurora span:nth-child(1){width:60vw;height:60vw;left:-15vw;top:-20vw;background:#5b21b6}
.aurora span:nth-child(2){width:50vw;height:50vw;right:-15vw;top:10vh;background:#0e7490;animation-duration:28s}
.aurora span:nth-child(3){width:45vw;height:45vw;left:30vw;bottom:-25vw;background:#9d174d;animation-duration:34s}
@keyframes drift{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(6vw,4vh,0) scale(1.15)}}
#stars{position:fixed;inset:0;z-index:-1;width:100%;height:100%;pointer-events:none}
.grid-overlay{position:fixed;inset:0;z-index:-1;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 70%)}

/* Header */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(18px) saturate(160%);-webkit-backdrop-filter:blur(18px) saturate(160%);background:rgba(5,6,15,.62);border-bottom:1px solid var(--line)}
.topbar .container{display:flex;align-items:center;gap:24px;height:70px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-h);font-weight:700;font-size:1.35rem;letter-spacing:.06em;color:#fff}
.logo:hover{text-decoration:none}
.logo svg{width:38px;height:38px;filter:drop-shadow(0 0 10px rgba(139,92,246,.7))}
.logo b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--muted);padding:8px 12px;border-radius:10px;font-size:.93rem;font-weight:500;white-space:nowrap}
.nav a:hover,.nav a[aria-current]{color:#fff;background:var(--surface2);text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-family:var(--font-h);letter-spacing:.01em;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s;text-decoration:none!important;font-size:.98rem}
.btn-primary{background:var(--grad);color:#0b0a1a;box-shadow:0 8px 30px rgba(139,92,246,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(34,211,238,.4)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:#fff}
.btn-ghost:hover{background:var(--surface2);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:.88rem}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:#fff;border-radius:10px;width:44px;height:44px;cursor:pointer;font-size:22px}
.nav .btn{margin-left:8px}
.nav a.btn-primary{color:#0b0a1a;background:var(--grad)}
.nav a.btn-primary:hover{background:var(--grad);color:#0b0a1a}

/* Hero */
.hero{position:relative;padding:clamp(60px,10vw,130px) 0 clamp(40px,6vw,80px);text-align:center}
.hero .eyebrow{display:inline-flex;align-items:center;gap:10px;padding:6px 14px 6px 8px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:.85rem;color:var(--muted);margin-bottom:26px}
.hero .eyebrow i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(2.6rem,7vw,5.4rem);margin:0 auto .4em;max-width:16ch;text-wrap:balance}
.hero .lead{font-size:clamp(1.05rem,1.8vw,1.35rem);color:var(--muted);max-width:60ch;margin:0 auto 34px;text-wrap:balance}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.chip{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:.85rem;color:var(--muted)}
.chip:hover{color:#fff;border-color:var(--violet);text-decoration:none;box-shadow:0 0 18px rgba(139,92,246,.35)}
.orbit{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:min(90vw,900px);aspect-ratio:1;border-radius:50%;border:1px dashed rgba(255,255,255,.08);pointer-events:none;z-index:-1;animation:spin 90s linear infinite}
.orbit::before,.orbit::after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 20px var(--cyan);top:-5px;left:50%}
.orbit::after{background:var(--pink);box-shadow:0 0 20px var(--pink);top:auto;bottom:-5px}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin:50px auto 0;max-width:1000px}
.stat{padding:20px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);backdrop-filter:blur(10px)}
.stat b{display:block;font-family:var(--font-h);font-size:2rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.9rem}

/* Ticker */
.ticker{overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.02);padding:12px 0;margin:30px 0}
.ticker div{display:flex;gap:48px;width:max-content;animation:marquee 40s linear infinite;font-family:var(--font-h);font-size:.9rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.ticker div span::before{content:"◆";color:var(--violet);margin-right:14px}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Sections */
.section{padding:clamp(40px,6vw,80px) 0}
.section-head{max-width:720px;margin-bottom:34px}
.section-head .kicker{font-family:var(--font-h);font-size:.8rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px}
.section-head h2{margin-top:0}
.section-head p{color:var(--muted)}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

/* Cards */
.card{position:relative;display:block;padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));color:var(--text);transition:transform .25s,border-color .25s,box-shadow .25s;overflow:hidden;transform-style:preserve-3d}
.card:hover{text-decoration:none;transform:translateY(-6px);border-color:rgba(139,92,246,.6);box-shadow:var(--glow)}
.card::before{content:"";position:absolute;inset:-1px;border-radius:inherit;padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s}
.card:hover::before{opacity:1}
.card .icon{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:var(--grad2);margin-bottom:18px;font-size:24px;box-shadow:0 8px 20px rgba(109,40,217,.4)}
.card h3{margin:0 0 8px;font-size:1.2rem}
.card p{color:var(--muted);font-size:.95rem;margin:0}
.card .more{display:inline-block;margin-top:14px;color:var(--cyan);font-weight:600;font-size:.9rem}
.card.hub{min-height:210px}
.card .tag{position:absolute;top:18px;right:18px;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:rgba(34,211,238,.12);color:var(--cyan);border:1px solid rgba(34,211,238,.3)}
.card .tag.hot{background:rgba(244,114,182,.12);color:var(--pink);border-color:rgba(244,114,182,.35)}
.card-img{padding:0}
.card-img img{width:100%;aspect-ratio:16/9;object-fit:cover}
.card-img .body{padding:20px 22px 24px}
.card-img .body small{color:var(--muted2);font-size:.8rem;text-transform:uppercase;letter-spacing:.1em}

/* Feature band */
.band{position:relative;border-radius:28px;padding:clamp(30px,5vw,60px);background:linear-gradient(135deg,rgba(139,92,246,.22),rgba(34,211,238,.12) 60%,rgba(244,114,182,.15));border:1px solid var(--line);overflow:hidden}
.band::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.35),transparent 65%);right:-140px;top:-140px;pointer-events:none}
.band h2{margin-top:0}
.band .split{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:12px}
.steps li{counter-increment:s;display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:14px;background:rgba(5,6,15,.45);border:1px solid var(--line)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--font-h);font-weight:700;color:var(--cyan);font-size:1.1rem}

/* Page layout with right sidebar */
.page-hero{padding:clamp(40px,6vw,70px) 0 30px}
.page-hero h1{max-width:22ch;text-wrap:balance}
.page-hero .lead{color:var(--muted);font-size:1.15rem;max-width:70ch}
.crumbs{display:flex;flex-wrap:wrap;gap:6px;font-size:.85rem;color:var(--muted2);margin-bottom:18px;list-style:none;padding:0}
.crumbs li+li::before{content:"/";margin:0 6px;opacity:.5}
.crumbs a{color:var(--muted)}
.meta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;font-size:.85rem;color:var(--muted2);margin-top:14px}
.meta .badge{padding:3px 10px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start;padding-bottom:70px}
.main{min-width:0}
.prose{font-size:1.05rem}
.prose h2{scroll-margin-top:90px;padding-top:.2em}
.prose h2::before{content:"";display:block;width:48px;height:3px;border-radius:2px;background:var(--grad);margin-bottom:14px}
.prose img{border-radius:var(--radius-s);margin:1.2em 0}
.prose figure{margin:1.4em 0}
.prose figcaption{font-size:.85rem;color:var(--muted2);text-align:center}
.prose blockquote{margin:1.4em 0;padding:16px 22px;border-left:3px solid var(--violet);background:var(--surface);border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--muted)}
.prose table{width:100%;border-collapse:collapse;font-size:.92rem;margin:1.2em 0}
.prose th,.prose td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.prose th{font-family:var(--font-h);color:#fff;background:var(--surface);font-size:.85rem;letter-spacing:.05em;text-transform:uppercase}
.prose tr:hover td{background:rgba(255,255,255,.025)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-s);margin:1.2em 0}
.table-wrap table{margin:0}
.prose a{border-bottom:1px solid rgba(34,211,238,.35)}
.prose a:hover{border-bottom-color:var(--cyan);text-decoration:none}
.callout{display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius-s);border:1px solid rgba(34,211,238,.35);background:rgba(34,211,238,.07);margin:1.4em 0}
.callout.warn{border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.07)}
.callout.tip{border-color:rgba(163,230,53,.4);background:rgba(163,230,53,.07)}
.callout .ic{font-size:1.4rem;line-height:1}
.callout p{margin:0}
.answer{padding:22px 24px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(139,92,246,.18),rgba(34,211,238,.1));border:1px solid rgba(139,92,246,.4);margin:0 0 1.6em;font-size:1.08rem}
.answer strong{display:block;font-family:var(--font-h);font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px}
.toc{padding:18px 22px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface);margin:0 0 2em}
.toc b{font-family:var(--font-h);font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.toc ol{margin:8px 0 0;padding-left:1.2em;columns:2;column-gap:28px}
.toc li{break-inside:avoid;font-size:.95rem}
.toc a{color:var(--text);border:0}
.faq details{border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);margin:10px 0;padding:0 18px}
.faq summary{cursor:pointer;padding:16px 0;font-family:var(--font-h);font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::after{content:"+";color:var(--cyan);font-size:1.4rem;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq details p{color:var(--muted);padding-bottom:16px;margin:0}
.compare{display:grid;gap:16px;margin:1.4em 0}
.product{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;padding:18px 20px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}
.product .rank{font-family:var(--font-h);font-weight:700;font-size:1.6rem;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;width:44px}
.product h3{margin:0 0 4px;font-size:1.1rem}
.product p{margin:0;color:var(--muted);font-size:.92rem}
.product .price{font-family:var(--font-h);font-weight:700;color:#fff;text-align:right;white-space:nowrap}
.product .price small{display:block;font-weight:400;color:var(--muted2);font-size:.75rem}
.product .pros{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.product .pros span{font-size:.75rem;padding:3px 9px;border-radius:999px;background:rgba(163,230,53,.12);color:var(--lime);border:1px solid rgba(163,230,53,.3)}
.product .pros span.con{background:rgba(244,114,182,.1);color:var(--pink);border-color:rgba(244,114,182,.3)}
.cta-box{margin:2em 0;padding:28px;border-radius:var(--radius);background:var(--grad2);color:#fff;box-shadow:var(--glow)}
.cta-box h3{margin:0 0 6px;color:#fff}
.cta-box p{color:rgba(255,255,255,.85);margin:0 0 16px}
.cta-box .btn-primary{background:#fff;color:#1e1b4b}
.share{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px;padding-top:20px;border-top:1px solid var(--line)}
.related{margin-top:40px}
.related h2{font-size:1.4rem}

/* Sidebar */
.sidebar{position:sticky;top:90px;display:grid;gap:18px}
.widget{padding:20px 22px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));backdrop-filter:blur(10px)}
.widget h4{margin:0 0 12px;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);display:flex;align-items:center;gap:8px}
.widget h4::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--grad);transform:rotate(45deg)}
.widget ul{list-style:none;padding:0;margin:0}
.widget li{padding:8px 0;border-bottom:1px solid var(--line);font-size:.92rem}
.widget li:last-child{border:0}
.widget li a{color:var(--text)}
.widget li a:hover{color:var(--cyan)}
.widget .fact{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.widget .fact b{font-family:var(--font-h);font-size:1.05rem;color:#fff;white-space:nowrap}
.widget .fact span{color:var(--muted);font-size:.85rem}
.widget.cta{background:linear-gradient(135deg,rgba(139,92,246,.35),rgba(34,211,238,.2));border-color:rgba(139,92,246,.5)}
.widget.cta p{font-size:.92rem;color:var(--text)}
.widget .def{font-size:.92rem;color:var(--muted)}
.widget .def b{color:#fff}
.widget .src{font-size:.78rem;color:var(--muted2);margin-top:8px}
.author{display:flex;gap:12px;align-items:center}
.author .av{width:46px;height:46px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font-family:var(--font-h);font-weight:700;color:#0b0a1a;flex:none}
.author small{display:block;color:var(--muted2);font-size:.8rem}
.updated{font-size:.82rem;color:var(--muted2)}
.updated time{color:var(--lime)}

/* Forms */
.form{display:grid;gap:14px}
.form label{font-size:.85rem;color:var(--muted);display:grid;gap:6px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--line);background:rgba(5,6,15,.6);color:#fff;font:inherit;font-size:.95rem}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--violet);outline:none;box-shadow:0 0 0 3px rgba(139,92,246,.25)}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form .hp{position:absolute;left:-9999px}
.form .note{font-size:.8rem;color:var(--muted2)}
.form-msg{padding:14px;border-radius:10px;display:none}
.form-msg.ok{display:block;background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.4)}
.form-msg.err{display:block;background:rgba(244,114,182,.12);border:1px solid rgba(244,114,182,.4)}

/* Directory */
.dir{display:grid;gap:14px}
.dir .pro{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:16px 18px;border-radius:var(--radius-s);border:1px solid var(--line);background:var(--surface)}
.dir .pro .av{width:48px;height:48px;border-radius:12px;background:var(--grad2);display:grid;place-items:center;font-family:var(--font-h);font-weight:700}
.dir .pro h3{margin:0;font-size:1.05rem}
.dir .pro p{margin:2px 0 0;color:var(--muted);font-size:.88rem}
.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin:1.6em 0}
.plan{padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface);position:relative}
.plan.featured{border-color:var(--violet);box-shadow:var(--glow)}
.plan .price{font-family:var(--font-h);font-size:2.2rem;font-weight:700;margin:6px 0}
.plan .price small{font-size:.9rem;color:var(--muted);font-weight:400}
.plan ul{padding-left:1.1em;color:var(--muted);font-size:.92rem}
.plan .ribbon{position:absolute;top:-12px;right:18px;background:var(--grad);color:#0b0a1a;font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:4px 12px;border-radius:999px}

/* Glossary */
.glossary dt{font-family:var(--font-h);font-weight:700;font-size:1.1rem;margin-top:1.4em;color:#fff}
.glossary dd{margin:6px 0 0;color:var(--muted)}

/* Footer */
.footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(0,0,0,.4));padding:60px 0 30px;margin-top:40px}
.footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:30px}
.footer h4{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan);margin:0 0 14px}
.footer ul{list-style:none;padding:0;margin:0}
.footer li{margin:7px 0;font-size:.92rem}
.footer li a{color:var(--muted)}
.footer li a:hover{color:#fff}
.footer p{color:var(--muted);font-size:.92rem}
.footer .bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:.82rem;color:var(--muted2)}
.footer .bottom a{color:var(--muted)}
.newsletter{display:flex;gap:8px;margin-top:12px}
.newsletter input{flex:1;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:rgba(5,6,15,.6);color:#fff;font:inherit;font-size:.9rem;min-width:0}

/* Reveal */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
.cursor-glow{position:fixed;width:300px;height:300px;border-radius:50%;pointer-events:none;z-index:0;background:radial-gradient(circle,rgba(139,92,246,.18),transparent 65%);transform:translate(-50%,-50%);transition:left .15s,top .15s;display:none}

/* 404 */
.notfound{text-align:center;padding:100px 0}
.notfound h1{font-size:clamp(4rem,15vw,10rem);line-height:1}

/* Responsive */
@media (max-width:1024px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
  .band .split{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media (max-width:820px){
  .nav{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:rgba(5,6,15,.96);padding:14px;border-bottom:1px solid var(--line);align-items:stretch}
  .nav.open{display:flex}
  .nav a{padding:12px 14px}
  .nav .btn{margin:8px 0 0;justify-content:center}
  .burger{display:block}
  .toc ol{columns:1}
  .product{grid-template-columns:auto 1fr}
  .product .price{grid-column:2;text-align:left}
  .form .row{grid-template-columns:1fr}
  .dir .pro{grid-template-columns:auto 1fr}
  .dir .pro .btn{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:16px}
  .footer{text-align:center}
  .footer .cols{grid-template-columns:1fr;gap:30px}
  .footer .bottom{justify-content:center;text-align:center;flex-direction:column;align-items:center}
  .newsletter{justify-content:center}
  .footer .logo{justify-content:center}
  .hero .cta .btn{width:100%;justify-content:center}
  .stats{grid-template-columns:1fr 1fr}
  .sidebar{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  .aurora span,.orbit,.ticker div,.hero .eyebrow i{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}
@media print{.aurora,#stars,.grid-overlay,.topbar,.sidebar,.footer,.cta-box{display:none}body{background:#fff;color:#000}}

/* Menu avec sous-menus */
.nav{gap:2px}
.nav-item{position:relative;display:flex;align-items:center}
.nav-item>a{padding-right:6px}
.sub-toggle{background:none;border:0;color:var(--muted);cursor:pointer;font-size:.8rem;padding:6px 6px 6px 0;line-height:1;border-radius:6px}
.sub-toggle:hover{color:#fff}
.submenu{position:absolute;top:calc(100% + 10px);left:0;min-width:300px;max-width:min(640px,90vw);padding:12px;border-radius:16px;border:1px solid var(--line);background:rgba(8,9,24,.96);backdrop-filter:blur(20px);box-shadow:var(--shadow),0 0 0 1px rgba(139,92,246,.15);display:none;grid-template-columns:1fr;gap:2px;z-index:60}
.submenu.wide{min-width:560px;grid-template-columns:1fr 1fr}
.submenu a{display:block;padding:8px 12px;border-radius:9px;font-size:.88rem;color:var(--text);font-weight:400;white-space:normal;line-height:1.35}
.submenu a:hover{background:var(--surface2);color:var(--cyan);text-decoration:none}
.submenu .sub-head{grid-column:1/-1;font-family:var(--font-h);font-weight:700;color:var(--cyan);border-bottom:1px solid var(--line);border-radius:0;margin-bottom:6px;padding-bottom:10px}
.submenu::before{content:"";position:absolute;top:-10px;left:0;right:0;height:10px}
@media (hover:hover) and (min-width:821px){
  .nav-item:hover .submenu,.nav-item:focus-within .submenu{display:grid}
  .nav-item:nth-last-child(-n+3) .submenu{left:auto;right:0}
}
.nav-item.open .submenu{display:grid}
@media (max-width:820px){
  .nav{max-height:calc(100vh - 70px);overflow-y:auto}
  .nav-item{flex-wrap:wrap;border-bottom:1px solid var(--line)}
  .nav-item>a{flex:1;padding:12px 14px}
  .sub-toggle{width:44px;height:44px;font-size:1.1rem;padding:0;text-align:center}
  .nav-item.open .sub-toggle{transform:rotate(180deg)}
  .submenu,.submenu.wide{position:static;display:none;min-width:0;max-width:none;width:100%;grid-template-columns:1fr;border:0;background:rgba(255,255,255,.03);box-shadow:none;border-radius:10px;margin:0 0 10px;padding:6px}
  .nav-item.open .submenu{display:grid}
  .submenu::before{display:none}
}
@media (max-width:1180px) and (min-width:821px){
  .nav-item>a{font-size:.85rem;padding:8px 6px 8px 10px}
  .nav .btn{padding:8px 12px}
}
@media (max-width:640px){ .footer .cols{grid-template-columns:1fr} }
@media (max-width:1024px) and (min-width:641px){ .footer .cols{grid-template-columns:1fr 1fr} }
.card .tag ~ h3{padding-right:96px}
@media (max-width:1300px) and (min-width:821px){ .nav .btn{display:none} .nav-item>a{font-size:.84rem;padding:8px 4px 8px 9px} }

/* Recherche */
.search-btn{display:inline-flex;align-items:center;gap:7px;color:var(--muted);padding:8px 12px;border-radius:10px;font-size:.9rem;border:1px solid var(--line);background:var(--surface);margin-left:6px}
.search-btn:hover{color:#fff;background:var(--surface2);text-decoration:none}
.search-btn span{display:none}

@media (max-width:820px){.search-btn{justify-content:center;margin:8px 0 0}.search-btn span{display:inline}}
.search-modal{position:fixed;inset:0;z-index:100;background:rgba(3,4,12,.75);backdrop-filter:blur(8px);display:flex;align-items:flex-start;justify-content:center;padding:8vh 16px}
.search-box{width:min(760px,100%);max-height:84vh;display:flex;flex-direction:column;border-radius:20px;border:1px solid rgba(139,92,246,.5);background:rgba(10,11,30,.98);box-shadow:var(--glow),var(--shadow);overflow:hidden}
.search-box form{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);color:var(--muted)}
.search-box input,.search-form input{flex:1;background:none;border:0;color:#fff;font:inherit;font-size:1.1rem;outline:none;min-width:0}
.search-close{background:var(--surface);border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:4px 9px;font-size:.75rem;cursor:pointer}
.search-results{overflow-y:auto;padding:10px}
.search-item{display:block;padding:12px 14px;border-radius:12px;color:var(--text);margin-bottom:4px}
.search-item:hover,.search-item:focus{background:var(--surface2);text-decoration:none}
.search-item b{display:block;font-family:var(--font-h);font-size:1.02rem;margin:2px 0 4px}
.search-kind{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.search-snip{display:block;font-size:.88rem;color:var(--muted);line-height:1.5}
.search-results mark{background:rgba(34,211,238,.25);color:#fff;border-radius:3px;padding:0 2px}
.search-hint,.search-count{color:var(--muted);font-size:.9rem;padding:8px 14px;margin:0}
.search-foot{display:flex;justify-content:space-between;padding:10px 18px;border-top:1px solid var(--line);font-size:.75rem;color:var(--muted2)}
.search-page{max-width:800px;padding-bottom:70px}
.search-form{display:flex;gap:10px;padding:10px 10px 10px 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);margin-bottom:20px}
.search-page .search-results{padding:0}
.search-page .search-item{border:1px solid var(--line);background:var(--surface);margin-bottom:10px}
@media (max-width:640px){.search-modal{padding:2vh 8px}.search-box{max-height:94vh}.search-foot span:last-child{display:none}}
.search-modal[hidden]{display:none}

/* Fil d'actualites */
.news-wrap{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));padding:10px 22px 16px;position:relative;overflow:hidden}
.news-wrap::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad)}
.news-list{list-style:none;margin:0;padding:0;columns:2;column-gap:40px}
.news-item{break-inside:avoid;padding:11px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:3px}
.news-item a{color:var(--text);font-weight:500;line-height:1.4}
.news-item a:hover{color:var(--cyan);text-decoration:none}
.news-meta{font-size:.78rem;color:var(--muted2);letter-spacing:.03em}
.news-meta time{color:var(--lime)}
.news-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding-top:14px}
.news-live{display:inline-flex;align-items:center;gap:6px}
.news-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime);animation:pulse 2s infinite}
@media (max-width:820px){.news-list{columns:1}}