:root{--nv:#0b1330;--nv2:#111c44;--nv3:#1a2759;--gd:#ffc83d;--gd2:#e0a414;--gn:#39ff88;--mg:#ff3fa4;--tx:#dbe3ff;--mu:#93a0cc;--wh:#fff;--d:"Prosto One","Arial Black",sans-serif;--b:"Roboto",Arial,sans-serif;
  --bulbs:radial-gradient(circle,var(--gd) 0 2.6px,transparent 3.4px)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--nv);color:var(--tx);font:400 17.5px/1.72 var(--b);
  background-image:radial-gradient(ellipse at 50% -10%,rgba(255,200,61,.14),transparent 50%),radial-gradient(ellipse at 100% 40%,rgba(57,255,136,.06),transparent 40%)}
img{max-width:100%;height:auto;display:block}
a{color:var(--gd)}
/* top */
.jp-top{position:sticky;top:0;z-index:50;background:rgba(11,19,48,.95);backdrop-filter:blur(6px)}
.jp-top-in{max-width:1240px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:22px}
.jp-logo img{width:210px}
.jp-nav{margin-left:auto;display:flex;gap:8px}
.jp-nav a{font:700 .95rem var(--d);text-transform:uppercase;letter-spacing:.04em;color:var(--tx);text-decoration:none;padding:7px 14px;border:1.5px solid var(--nv3);border-radius:8px}
.jp-nav a:hover{border-color:var(--gd);color:var(--gd)}
.jp-nav a.on{background:var(--gd);border-color:var(--gd);color:var(--nv);box-shadow:0 0 18px rgba(255,200,61,.45)}
.jp-age{font:800 .9rem var(--d);color:var(--gn);border:1.5px solid var(--gn);border-radius:8px;padding:4px 8px;text-shadow:0 0 8px rgba(57,255,136,.6)}
.jp-burger{display:none;width:46px;height:46px;border-radius:10px;border:1.5px solid var(--gd);background:var(--nv2);cursor:pointer;padding:11px;grid-template-columns:1fr 1fr;gap:5px}
.jp-burger i{display:block;border-radius:3px;background:var(--gd)}
.jp-bulbs{height:10px;background:var(--bulbs);background-size:18px 10px;background-position:0 center;animation:jpchase 1.2s linear infinite;opacity:.9;border-bottom:1px solid var(--nv3)}
@keyframes jpchase{to{background-position:18px center}}
/* tiles */
.jp-tiles{position:fixed;inset:0;z-index:90;background:rgba(5,9,26,.96);visibility:hidden;opacity:0;transition:.25s;overflow-y:auto}
.jp-tiles.open{visibility:visible;opacity:1}
.jp-tiles-in{max-width:560px;margin:0 auto;padding:26px 18px}
.jp-tiles-t{font:800 1.5rem var(--d);text-transform:uppercase;color:var(--gd);margin:0 0 16px;text-align:center}
.jp-tiles nav{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.jp-tiles nav a{display:flex;flex-direction:column;gap:4px;min-height:120px;padding:14px;border-radius:14px;text-decoration:none;color:var(--wh);background:var(--nv2);border:2px solid var(--nv3);
  transform:scale(.85);opacity:0;transition:transform .35s,opacity .35s}
.jp-tiles.open nav a{transform:none;opacity:1}
.jp-tiles nav a:nth-child(2){transition-delay:.05s}.jp-tiles nav a:nth-child(3){transition-delay:.1s}.jp-tiles nav a:nth-child(4){transition-delay:.15s}.jp-tiles nav a:nth-child(5){transition-delay:.2s}.jp-tiles nav a:nth-child(6){transition-delay:.25s}
.jp-tiles nav a:first-child{grid-column:1/-1;min-height:100px}
.jp-tiles nav b{font:800 1.6rem var(--d);color:var(--gn)}
.jp-tiles nav span{font:800 1.15rem var(--d);text-transform:uppercase}
.jp-tiles nav small{font-size:.8rem;color:var(--mu)}
.jp-tiles nav a.on{border-color:var(--gd);background:linear-gradient(160deg,#2a2a10,var(--nv2));box-shadow:0 0 22px rgba(255,200,61,.3)}
.jp-tiles-x{display:block;margin:18px auto 0;background:none;border:1.5px solid var(--gd);color:var(--gd);font:700 1rem var(--d);text-transform:uppercase;padding:10px 22px;border-radius:10px;cursor:pointer}
/* hero */
.jp-article{max-width:1240px;margin:0 auto;padding:30px 24px 0}
.jp-crumbs{text-align:center;font-size:.88rem;color:var(--mu)}
.jp-crumbs a{color:var(--tx)}
.jp-marquee{position:relative;max-width:980px;margin:18px auto 0;padding:34px 40px;text-align:center;border-radius:20px;background:linear-gradient(180deg,#16224f,#0e173a)}
.jp-marquee::before{content:"";position:absolute;inset:0;border-radius:20px;padding:10px;
  background:var(--bulbs),var(--bulbs),var(--bulbs),var(--bulbs);background-repeat:repeat-x,repeat-x,repeat-y,repeat-y;
  background-size:20px 10px,20px 10px,10px 20px,10px 20px;background-position:0 0,0 100%,0 0,100% 0;animation:jpblink 1.4s steps(2) infinite}
.jp-marquee::after{content:"";position:absolute;inset:13px;border:1.5px solid rgba(255,200,61,.35);border-radius:12px;pointer-events:none}
@keyframes jpblink{50%{filter:brightness(.55)}}
.jp-sec{position:relative;margin:0 0 10px;font:700 .9rem var(--d);text-transform:uppercase;letter-spacing:.2em;color:var(--gn)}
.jp-marquee h1{position:relative;margin:0;font:800 clamp(1.9rem,3.8vw,3rem)/1.15 var(--d);color:var(--wh);text-shadow:0 0 24px rgba(255,200,61,.35)}
.jp-meta{text-align:center;margin:18px 0 0;color:var(--mu);font-size:.95rem}
.jp-meta span{color:var(--gd);margin:0 8px;font-size:.7rem}
.jp-hero-img{max-width:980px;margin:22px auto 0;padding:8px;border-radius:18px;background:linear-gradient(135deg,#fff1b8,var(--gd) 30%,#9c6d00 60%,var(--gd));box-shadow:0 20px 50px rgba(0,0,0,.4)}
.jp-hero-img img{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:12px}
/* layout */
.jp-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:46px;margin-top:50px}
.jp-toc{position:sticky;top:96px;align-self:start}
.jp-toc p{margin:0 0 10px;font:800 1rem var(--d);text-transform:uppercase;letter-spacing:.08em;color:var(--gd)}
.jp-toc ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 160px);overflow-y:auto}
.jp-toc a{display:grid;grid-template-columns:34px 1fr;gap:8px;align-items:center;padding:7px 10px;border-radius:8px;background:var(--nv2);border-left:3px solid var(--nv3);text-decoration:none;color:var(--tx);font-size:.84rem;line-height:1.3}
.jp-toc li:nth-child(1) a{border-left-color:var(--gd)}
.jp-toc a b{font:800 .95rem var(--d);color:var(--gn)}
.jp-toc a:hover,.jp-toc a.on{background:var(--nv3);border-left-color:var(--gd);color:var(--wh)}
.jp-body{max-width:800px;min-width:0}
.jp-lead{font-size:1.2rem;line-height:1.65;color:var(--wh);margin:0 0 26px;padding:20px 24px;border-radius:14px;background:var(--nv2);border:1px solid var(--nv3)}
.jp-body h2{display:flex;align-items:center;gap:16px;margin:54px 0 20px;padding:16px 20px;border-radius:12px;background:#070d24;font:800 clamp(1.25rem,2.4vw,1.6rem)/1.25 var(--d);color:var(--gd);
  box-shadow:inset 0 0 0 1.5px rgba(255,200,61,.35),0 0 30px rgba(255,200,61,.08);position:relative}
.jp-body h2::after{content:"";position:absolute;left:14px;right:14px;bottom:-6px;height:6px;background:var(--bulbs);background-size:16px 6px;opacity:.7}
.jp-lvl{flex:none;min-width:52px;padding:4px 8px;border-radius:8px;background:#04220f;border:1.5px solid var(--gn);color:var(--gn);font:800 1.4rem var(--d);text-align:center;text-shadow:0 0 10px rgba(57,255,136,.7)}
.jp-body h3{font:700 1.2rem var(--d);color:var(--wh);margin:28px 0 8px}
.jp-body h3::before{content:"◆ ";color:var(--gd);font-size:.8em}
.jp-body p{margin:0 0 1em}
.jp-body strong{color:var(--wh)}
.jp-body ul,.jp-body ol{margin:0 0 1.1em;padding-left:1.4em}
.jp-body li{margin:.3em 0}
.jp-body li::marker{color:var(--gd)}
/* table */
.tbl-wrap{overflow-x:auto;margin:6px 0 22px;border-radius:12px;border:1.5px solid var(--nv3);background:var(--nv2)}
.tbl-wrap table{width:100%;border-collapse:collapse;font-size:.93rem;min-width:520px}
.tbl-wrap th{text-align:left;padding:11px 14px;background:#070d24;color:var(--gd);font:700 .85rem var(--d);text-transform:uppercase;letter-spacing:.04em;border-bottom:1.5px solid var(--gd2)}
.tbl-wrap td{padding:10px 14px;border-bottom:1px solid var(--nv3)}
.tbl-wrap tr:last-child td{border-bottom:0}
.tbl-wrap td:first-child{color:var(--wh);font-weight:700}
/* fig */
.jp-fig{margin:10px 0 26px;padding:6px;border-radius:14px;background:linear-gradient(135deg,var(--gd),#7a5300)}
.jp-fig img{width:100%;max-height:430px;object-fit:cover;border-radius:10px}
.jp-fig figcaption{padding:8px 8px 4px;font-size:.88rem;color:var(--nv);font-weight:500}
/* calc */
.jp-calc{margin:10px 0 26px;padding:22px;border-radius:16px;background:#070d24;border:2px solid var(--gd)}
.jp-calc-title{margin:0 0 14px;font:800 1.3rem var(--d);color:var(--gd);text-transform:uppercase}
.jp-calc-fields,.jp-calc-out{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.jp-calc-f{display:flex;flex-direction:column;gap:6px;font-size:.85rem;color:var(--mu)}
.jp-calc input{width:100%;background:var(--nv2);border:1.5px solid var(--nv3);border-radius:10px;color:var(--wh);font:700 1.2rem var(--d);padding:9px 12px}
.jp-calc input:focus{outline:none;border-color:var(--gd)}
.jp-calc-out{margin-top:14px}
.jp-calc-out div{background:#04220f;border:1.5px solid rgba(57,255,136,.4);border-radius:10px;padding:10px 12px}
.jp-calc-out span{display:block;font-size:.78rem;color:var(--mu)}
.jp-calc-out b{font:800 1.25rem var(--d);color:var(--gn);text-shadow:0 0 10px rgba(57,255,136,.5)}
.jp-calc-out b.is-neg{color:var(--mg);text-shadow:0 0 10px rgba(255,63,164,.5)}
.jp-calc-note{margin:12px 0 0;font-size:.82rem;color:var(--mu)}
/* faq ladder */
.jp-ladder{display:flex;flex-direction:column;gap:8px;align-items:center}
.jp-rung{width:var(--w);min-width:min(100%,560px);max-width:100%;border-radius:12px;background:var(--nv2);border:1.5px solid var(--nv3);overflow:hidden;transition:border-color .2s}
.jp-rung:last-child{border-color:rgba(255,200,61,.5)}
.jp-rung button{width:100%;display:flex;align-items:center;gap:12px;text-align:left;background:none;border:0;padding:13px 16px;cursor:pointer;color:var(--wh);font:700 1rem/1.4 var(--b)}
.jp-rung b{flex:none;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--gd);color:var(--nv);font:800 .95rem var(--d)}
.jp-rung span{flex:1}
.jp-rung i{flex:none;width:12px;height:12px;border-right:2.5px solid var(--gd);border-bottom:2.5px solid var(--gd);transform:rotate(45deg);margin-top:-6px;transition:transform .2s}
.jp-rung.open{border-color:var(--gd)}
.jp-rung.open i{transform:rotate(225deg);margin-top:6px}
.jp-rung-a{display:none;padding:0 18px 6px 60px;color:var(--tx)}
.jp-rung.open .jp-rung-a{display:block}
.jp-tail{margin-top:30px;font-size:.85rem;color:var(--mu)}
/* more */
.jp-more{max-width:1240px;margin:70px auto 0;padding:0 24px 70px}
.jp-more-h{font:800 1.8rem var(--d);text-transform:uppercase;color:var(--gd);margin:0 0 20px;text-align:center}
.jp-more ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.jp-more a{position:relative;display:flex;flex-direction:column;height:100%;padding:6px 6px 14px;border-radius:14px;background:linear-gradient(160deg,var(--gd),#6d4a00 50%,var(--gd2));text-decoration:none;color:var(--nv);transition:transform .2s,box-shadow .2s}
.jp-more a:hover{transform:translateY(-4px);box-shadow:0 0 26px rgba(255,200,61,.45)}
.jp-card-n{position:absolute;top:14px;left:14px;z-index:1;font:800 1rem var(--d);background:var(--nv);color:var(--gn);padding:2px 9px;border-radius:6px}
.jp-card-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px}
.jp-more b{margin:12px 8px 4px;font:700 .98rem/1.35 var(--b);color:#1b1400}
.jp-more em{margin:auto 8px 0;font:700 .85rem var(--d);font-style:normal;text-transform:uppercase;color:#1b1400}
/* foot */
.jp-foot{background:#060b1f;color:var(--mu)}
.jp-matrix{height:28px;background:radial-gradient(circle,rgba(255,200,61,.75) 0 1.6px,transparent 2.2px) 0 0/9px 9px,radial-gradient(circle,rgba(57,255,136,.35) 0 1.6px,transparent 2.2px) 4.5px 4.5px/9px 9px;opacity:.6}
.jp-foot-in{max-width:1240px;margin:0 auto;padding:34px 24px 30px;display:grid;grid-template-columns:1.2fr .8fr 1.2fr;gap:34px}
.jp-foot-in p{font-size:.88rem;line-height:1.6}
.jp-foot nav{display:flex;flex-direction:column;gap:6px}
.jp-foot nav a{font:700 .95rem var(--d);text-transform:uppercase;color:var(--tx);text-decoration:none}
.jp-foot nav a:hover{color:var(--gd)}
.jp-badges{display:flex;flex-wrap:wrap;gap:8px}
.jp-badges img{height:36px;width:auto}
.jp-copy{margin-top:14px}
/* up */
.jp-up{position:fixed;right:18px;bottom:18px;z-index:40;width:50px;height:50px;border-radius:12px;border:2px solid var(--gd);background:var(--nv);color:var(--gd);font-size:1rem;cursor:pointer;box-shadow:0 0 18px rgba(255,200,61,.35);opacity:0;pointer-events:none;transition:.25s}
.jp-up.show{opacity:1;pointer-events:auto}
/* responsive */
@media (max-width:1060px){
  .jp-nav{display:none}
  .jp-age{margin-left:auto}
  .jp-burger{display:grid}
  .jp-layout{grid-template-columns:1fr}
  .jp-toc{display:none}
  .jp-body{max-width:none}
  .jp-more ol{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  body{font-size:16.5px}
  .jp-top-in{padding:8px 16px;gap:10px}
  .jp-logo img{width:175px}
  .jp-article{padding:20px 16px 0}
  .jp-marquee{padding:28px 22px;border-radius:16px}
  .jp-hero-img{padding:5px}
  .jp-hero-img img{aspect-ratio:4/3}
  .jp-layout{margin-top:30px}
  .jp-body h2{gap:12px;padding:13px 14px}
  .jp-lvl{min-width:44px;font-size:1.15rem}
  .jp-calc-fields,.jp-calc-out{grid-template-columns:1fr}
  .jp-rung{width:100%;min-width:0}
  .jp-rung-a{padding:0 16px 6px}
  .jp-more{padding:0 16px 50px}
  .jp-more ol{grid-template-columns:1fr}
  .jp-foot-in{grid-template-columns:1fr;padding:28px 16px 24px}
}