:root{
  --bg:#050816;
  --bg-2:#070d1d;
  --nav:#0b1120;
  --card:#101827;
  --card-2:#0c1324;
  --accent:#19c7ff;
  --accent-2:#4f46e5;
  --accent-soft:rgba(25,199,255,.14);
  --accent-border:rgba(25,199,255,.36);
  --text:#f8fafc;
  --muted:#bfd7f3;
  --muted-2:#91a4bd;
  --border:#1e2a3e;
  --border-2:#243653;
  --radius-xl:24px;
  --radius:16px;
  --radius-sm:11px;
  --shadow:0 24px 60px rgba(0,0,0,.36);
  --shadow-soft:0 18px 44px rgba(2,6,23,.36);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 20% -10%,rgba(25,199,255,.14),transparent 34%),radial-gradient(circle at 100% 0,rgba(79,70,229,.18),transparent 30%),linear-gradient(180deg,var(--bg),#020617 72%);color:var(--text);line-height:1.6;min-height:100vh}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}strong{color:var(--text)}
.nav{position:sticky;top:0;z-index:20;background:rgba(11,17,32,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);box-shadow:0 12px 32px rgba(2,6,23,.32)}
.nav-inner{max-width:1240px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:12px 24px;min-height:72px}.brand{display:flex;align-items:center;gap:12px;min-width:280px}.brand img{width:45px;height:45px;object-fit:contain;border-radius:999px;background:#020617;border:1px solid var(--accent-border);box-shadow:0 0 24px rgba(25,199,255,.12)}.brand b{display:block;text-transform:uppercase;letter-spacing:.105em;font-size:1.03rem;color:#cbd5e1}.brand small{display:block;color:var(--muted);font-size:.78rem;margin-top:1px}.menu{display:flex;align-items:center;justify-content:center;gap:22px;flex:1}.menu a{position:relative;color:var(--text);font-weight:700;font-size:.9rem;padding:7px 0;white-space:nowrap}.menu a:after{content:"";position:absolute;left:0;right:auto;bottom:0;width:0;height:2px;border-radius:99px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .22s ease}.menu a:hover,.menu a.active{color:#fff}.menu a:hover:after,.menu a.active:after{width:100%}.lang{display:flex;gap:9px;align-items:center}.lang img{width:28px;height:18px;object-fit:cover;border-radius:2px;box-shadow:0 0 0 1px rgba(255,255,255,.14)}
.wrap{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:28px 0 68px}.hero{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(300px,.84fr);gap:34px;align-items:center;padding:34px 36px;margin:0 0 32px;border-radius:var(--radius-xl);background:radial-gradient(circle at top left,rgba(25,199,255,.12),transparent 48%),radial-gradient(circle at bottom right,rgba(79,70,229,.2),transparent 58%),linear-gradient(135deg,rgba(16,24,39,.96),rgba(12,19,36,.96));border:1px solid var(--border-2);box-shadow:var(--shadow)}.kicker{color:var(--accent);font-weight:900;font-size:.75rem;letter-spacing:.24em;text-transform:uppercase;margin-bottom:14px}.hero h1{font-size:clamp(2rem,4vw,3.25rem);line-height:1.08;margin-bottom:18px;letter-spacing:-.035em}.hero p{color:var(--muted);font-size:1rem;line-height:1.76;max-width:660px}.hero-media{border-radius:14px;overflow:hidden;background:#020617;border:1px solid rgba(255,255,255,.06)}.hero-media img{width:100%;height:auto;max-height:355px;object-fit:contain;margin:auto}.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.tag,.badge{border-radius:999px;border:1px solid var(--accent-border);background:rgba(25,199,255,.08);color:var(--accent);font-size:.73rem;letter-spacing:.09em;text-transform:uppercase;font-weight:800;padding:5px 11px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}.box{background:linear-gradient(145deg,rgba(16,24,39,.92),rgba(5,8,22,.92));border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-soft)}.box h2,.box h3{font-size:1.08rem;margin-bottom:16px;color:#fff;border-bottom:1px solid var(--border);padding-bottom:10px}.box p,.box li{color:var(--muted);font-size:.96rem;line-height:1.72}.box p+p{margin-top:12px}.box img{margin:16px auto}.wide{grid-column:1/-1}.video{display:block;width:100%;max-width:760px;margin:16px auto 0;background:#000;border:1px solid var(--border-2);border-radius:13px;box-shadow:0 18px 40px rgba(0,0,0,.28)}.pdf-frame{width:100%;height:720px;border:0;background:#282828;border-radius:12px;overflow:hidden}.pdf-panel{padding:18px;background:#252525;border-radius:14px;border:1px solid #3a3a3a}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:9px 14px;background:rgba(25,199,255,.1);border:1px solid var(--accent-border);color:var(--accent);font-weight:800;font-size:.86rem}.cta:hover{background:var(--accent);color:#02131b}.publication{padding:15px 16px;margin:12px 0;border:1px solid var(--border);background:rgba(2,6,23,.54);border-radius:12px;color:var(--muted);transition:transform .18s ease,border-color .18s ease,background .18s ease}.publication:hover{transform:translateY(-1px);border-color:var(--accent-border);background:rgba(25,199,255,.055)}.publication .venue{display:inline-flex;margin-left:6px;padding:2px 8px;border-radius:99px;border:1px solid var(--accent-border);color:var(--accent);font-size:.75rem;font-weight:900}.year{margin-top:26px}.year h2{font-size:1.15rem;color:var(--accent);letter-spacing:.08em;margin-bottom:12px}.toc{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.tuto-card{position:relative;overflow:hidden;min-height:180px;display:flex;flex-direction:column;justify-content:space-between;padding:24px;border-radius:var(--radius);border:1px solid var(--border);background:linear-gradient(145deg,rgba(16,24,39,.96),rgba(2,6,23,.96));box-shadow:var(--shadow-soft)}.tuto-card:before{content:"";position:absolute;inset:-50% -20% auto auto;width:180px;height:180px;background:radial-gradient(circle,rgba(25,199,255,.16),transparent 70%)}.tuto-card h2{position:relative;color:#fff;margin-bottom:8px}.tuto-card p{position:relative;color:var(--muted)}.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}.metric{border:1px solid var(--border);background:rgba(2,6,23,.38);border-radius:14px;padding:14px}.metric b{display:block;font-size:1.25rem;color:var(--accent)}.metric span{display:block;color:var(--muted-2);font-size:.84rem}.footer{text-align:center;color:var(--muted-2);font-size:.8rem;padding:26px;border-top:1px solid var(--border);background:rgba(2,6,23,.38)}
@media(max-width:980px){.nav-inner{flex-wrap:wrap;justify-content:flex-start}.brand{min-width:0}.menu{order:3;width:100%;justify-content:flex-start;overflow:auto;padding-bottom:2px}.lang{margin-left:auto}.hero,.grid2,.toc,.mini-grid{grid-template-columns:1fr}.hero{padding:26px 22px}.pdf-frame{height:560px}}
@media(max-width:560px){.wrap{width:min(100% - 28px,1180px)}.nav-inner{padding:12px 14px}.brand b{font-size:.9rem}.brand small{font-size:.72rem}.menu{gap:16px}.hero h1{font-size:2rem}.box{padding:18px}.pdf-frame{height:500px}}

::selection{background:rgba(25,199,255,.28);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
body{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
@media print{.nav,.footer,.actions{display:none!important}body{background:#fff;color:#000}.box,.hero{box-shadow:none;border:1px solid #ccc;background:#fff;color:#000}.box p,.hero p{color:#111}}

.rec-images{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start;margin:16px 0 18px}.rec-images img{width:100%;max-height:330px;object-fit:contain;background:#fff;border-radius:12px;border:1px solid var(--border-2);padding:0}.small-video{max-width:420px;margin-top:12px}
@media(max-width:700px){.rec-images{grid-template-columns:1fr}.small-video{max-width:100%}}

.lang a{display:inline-flex;align-items:center;transition:transform .16s ease,opacity .16s ease}.lang a:hover{transform:translateY(-1px);opacity:.9}