:root{
    --bg:#0E0C12;
    --bg-2:#15121C;
    --panel:#1A1622;
    --ink:#EFEAF3;
    --ink-soft:#ADA2B8;
    --gold:#E0B43E;
    --gold-bright:#F0CB63;
    --pp-royal:#530753;
    --pp-bright:#921294;
    --line:rgba(255,255,255,.09);
    --maxw:1200px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{font-family:"Montserrat",sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased}
  section{scroll-margin-top:88px}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}
  h1,h2,h3{font-family:"Forum",serif;font-weight:400;line-height:1.1;letter-spacing:.01em}
  .eyebrow{font-family:"Montserrat";font-weight:600;font-size:12.5px;letter-spacing:.28em;text-transform:uppercase;
    color:var(--gold);display:inline-flex;align-items:center;gap:14px}
  .eyebrow::before{content:"";width:32px;height:1px;background:var(--gold)}
  .eyebrow.center::after{content:"";width:32px;height:1px;background:var(--gold)}
  .eyebrow .dia{flex:none;width:11px;height:7px;background:var(--gold);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
  .gold-rule{height:1px;background:linear-gradient(90deg,transparent,var(--pp-bright),var(--gold),var(--pp-bright),transparent);border:0;opacity:.8}

  header{position:sticky;top:0;z-index:50;background:rgba(14,12,18,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .3s}
  header.scrolled{box-shadow:0 12px 40px -22px #000}
  .nav{display:flex;align-items:center;justify-content:space-between;height:78px}
  .brand{display:flex;align-items:center;gap:13px;text-decoration:none;color:var(--ink)}
  .brand img{width:46px;height:46px;object-fit:contain;filter:drop-shadow(0 0 12px rgba(224,180,62,.35))}
  .brand b{font-family:"Forum",serif;font-weight:400;font-size:22px;letter-spacing:.03em}
  .brand .tag{display:block;font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--ink-soft);font-weight:600}
  nav.links{display:flex;align-items:center;gap:34px}
  nav.links a{color:var(--ink);text-decoration:none;font-weight:500;font-size:14.5px;position:relative;padding:4px 0;white-space:nowrap}
  nav.links a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--gold);transition:width .25s}
  nav.links a:hover{color:var(--gold-bright)}
  nav.links a:hover::after{width:100%}
  .btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:3px;font-family:"Montserrat";font-weight:600;font-size:14px;text-decoration:none;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s,background .2s,color .2s}
  .btn-gold{background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:#241803;box-shadow:0 10px 26px -12px rgba(224,180,62,.6)}
  .btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px -12px rgba(224,180,62,.7)}
  .btn-out{background:transparent;color:var(--gold);border:1px solid var(--gold)}
  .btn-out:hover{background:var(--gold);color:#241803}
  .menu-btn{display:none;background:none;border:none;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
  .menu-btn span{width:24px;height:2px;background:var(--gold);display:block;transform-origin:center;transition:transform .3s ease,opacity .2s ease}
  .mobile-open .menu-btn span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .mobile-open .menu-btn span:nth-child(2){opacity:0}
  .mobile-open .menu-btn span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  /* HERO with gold→purple top gradient */
  .hero{position:relative;overflow:hidden;padding:78px 0 84px}
  /* animated gold -> purple aurora (kept as-is) */
  .hero::before{content:"";position:absolute;z-index:0;top:-34%;left:13%;width:58%;height:132%;
    background:radial-gradient(closest-side,rgba(224,180,62,.34),transparent 70%);filter:blur(46px);
    animation:auroraGold 17s ease-in-out infinite;will-change:transform}
  .hero::after{content:"";position:absolute;z-index:0;top:-30%;right:4%;width:64%;height:130%;
    background:radial-gradient(closest-side,rgba(180,95,192,.40),transparent 70%);filter:blur(54px);
    animation:auroraPurple 21s ease-in-out infinite;will-change:transform}
  @keyframes auroraGold{0%,100%{transform:translate(-5%,-3%) scale(1)}50%{transform:translate(11%,5%) scale(1.2)}}
  @keyframes auroraPurple{0%,100%{transform:translate(7%,-2%) scale(1.12)}50%{transform:translate(-10%,7%) scale(.98)}}
  .grid-bg{position:absolute;inset:0;z-index:1;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;mask:radial-gradient(62% 60% at 50% 28%,#000,transparent 82%);opacity:.4}
  .hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:46px;align-items:center}
  .hero-copy{text-align:left}
  .hero h1{font-size:clamp(36px,5vw,64px);margin:18px 0 22px}
  .hero h1 em{font-style:normal;color:var(--gold-bright)}
  .hero-cta{display:flex;gap:16px;flex-wrap:wrap}
  .hero-figure{position:relative;display:flex;align-items:center;justify-content:center}
  /* warm gold backlight so the lower "ЮЖИ-Лин" lettering on the logo rings out */
  .hero-figure::before{content:"";position:absolute;z-index:0;left:50%;top:72%;transform:translate(-50%,-50%);
    width:min(380px,80%);height:44%;border-radius:50%;
    background:radial-gradient(closest-side,rgba(224,180,62,.32),transparent 72%);filter:blur(28px);pointer-events:none}
  .hero-figure img.mark{position:relative;z-index:1;width:min(480px,96%);height:auto;object-fit:contain;
    filter:drop-shadow(0 24px 64px rgba(0,0,0,.55)) drop-shadow(0 0 28px rgba(224,180,62,.32))}
  @media (prefers-reduced-motion: reduce){.hero::before,.hero::after,.aurora::before,.aurora::after{animation:none}}

  .section{padding:96px 0;position:relative;overflow:hidden}
  .section.panel{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
  .section>.wrap{position:relative;z-index:2}
  /* golden / purple ambient glows — warm the lower half so it reads "bright gold on dark", not flat-dark.
     Intensity ramps up toward the bottom of the page. */
  #about::after{content:"";position:absolute;z-index:0;bottom:-20%;right:-6%;width:46%;height:80%;
    background:radial-gradient(closest-side,rgba(224,180,62,.12),transparent 70%);filter:blur(80px);pointer-events:none}
  #partners::before{content:"";position:absolute;z-index:0;top:-12%;left:-8%;width:50%;height:80%;
    background:radial-gradient(closest-side,rgba(224,180,62,.20),transparent 70%);filter:blur(75px);pointer-events:none}
  #partners::after{content:"";position:absolute;z-index:0;bottom:-22%;right:-8%;width:48%;height:80%;
    background:radial-gradient(closest-side,rgba(180,95,192,.16),transparent 70%);filter:blur(82px);pointer-events:none}
  #docs::before{content:"";position:absolute;z-index:0;top:-12%;left:-7%;width:48%;height:78%;
    background:radial-gradient(closest-side,rgba(224,180,62,.18),transparent 70%);filter:blur(78px);pointer-events:none}
  #docs::after{content:"";position:absolute;z-index:0;bottom:-18%;right:-8%;width:54%;height:88%;
    background:radial-gradient(closest-side,rgba(180,95,192,.22),transparent 70%);filter:blur(84px);pointer-events:none}
  #contacts::before{content:"";position:absolute;z-index:0;top:-8%;right:-6%;width:50%;height:78%;
    background:radial-gradient(closest-side,rgba(224,180,62,.22),transparent 70%);filter:blur(78px);pointer-events:none}
  #contacts::after{content:"";position:absolute;z-index:0;bottom:-26%;left:50%;transform:translateX(-50%);width:88%;height:70%;
    background:radial-gradient(closest-side,rgba(224,180,62,.16),transparent 70%);filter:blur(86px);pointer-events:none}
  .sec-head{max-width:720px;margin:0 auto 52px;text-align:center}
  .sec-head h2{font-size:clamp(32px,4vw,50px);margin-top:16px}

  .about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
  .card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:34px;transition:.25s}
  .card:hover{border-color:var(--gold);box-shadow:0 0 34px -16px rgba(224,180,62,.5);transform:translateY(-4px)}
  .card .n{font-family:"Forum",serif;font-size:34px;color:var(--gold);line-height:1;margin-bottom:14px}
  .card h3{font-size:23px;margin-bottom:8px}
  .card p{color:var(--ink-soft);font-size:14.5px}
  /* purple accent — top frame bar only on the contacts cards (no gold hover border there, so no clash) */
  .contact-card{position:relative;overflow:hidden}
  .contact-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
    background:linear-gradient(90deg,var(--pp-royal),var(--pp-bright));z-index:1}

  /* About — company description */
  .about-intro{max-width:840px;margin:0 auto 42px;text-align:center}
  .about-intro p{color:var(--ink-soft);font-size:16px;margin-bottom:14px}
  .about-intro p:last-child{margin-bottom:0}
  .about-intro strong{color:var(--ink);font-weight:600}
  .mission{max-width:840px;margin:44px auto;padding:26px 32px;border-left:4px solid var(--pp-royal);
    background:rgba(83,7,83,.12);border-radius:0 8px 8px 0}
  .mission p{font-family:"Forum",serif;font-size:21px;line-height:1.45;color:var(--ink)}
  .mission p em{font-style:normal;color:var(--gold-bright)}
  .dir-lead{max-width:840px;margin:0 auto 30px;text-align:center;color:var(--ink-soft);font-size:16px}
  .directions{display:flex;flex-direction:column;gap:16px;max-width:940px;margin:0 auto}
  details.dir{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:border-color .25s}
  details.dir[open]{border-color:rgba(224,180,62,.5)}
  details.dir summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:18px;padding:24px 28px}
  details.dir summary::-webkit-details-marker{display:none}
  details.dir summary .dn{font-family:"Forum",serif;font-size:30px;color:var(--gold);line-height:1;min-width:30px}
  details.dir summary .dt{font-family:"Forum",serif;font-size:22px;color:var(--ink);flex:1}
  details.dir summary .dx{font-size:26px;color:var(--gold);transition:transform .25s;font-weight:300;line-height:1}
  details.dir[open] summary .dx{transform:rotate(45deg)}
  details.dir summary:hover .dt{color:var(--gold-bright)}
  .dir-body{padding:0 28px 28px 76px;color:var(--ink-soft)}
  .dir-body .sub{font-weight:600;color:var(--gold);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;margin:20px 0 13px}
  .dir-body .sub:first-child{margin-top:0}
  .dir-body p{font-size:15px;margin-bottom:14px}
  .dir-list{list-style:none;margin-bottom:4px}
  .dir-list li{position:relative;padding-left:20px;font-size:15px;margin-bottom:9px}
  .dir-list li:last-child{margin-bottom:0}
  .dir-list li::before{content:"";position:absolute;left:0;top:9px;width:11px;height:7px;background:var(--gold);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
  .dir-list.two-col{column-count:2;column-gap:34px}
  .dir-list.two-col li{break-inside:avoid;-webkit-column-break-inside:avoid}
  .about-sign{max-width:940px;margin:38px auto 0;text-align:right}
  .about-sign .by{color:var(--ink-soft);font-size:14px;margin-bottom:4px}
  .about-sign .role{color:var(--ink-soft);font-size:14px}
  .about-sign .name{font-family:"Forum",serif;font-size:22px;color:var(--gold-bright)}

  .partners{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .partner{aspect-ratio:16/8;border:1px solid var(--line);border-radius:6px;background:var(--panel);display:flex;align-items:center;justify-content:center;color:var(--ink-soft);font-weight:600;font-size:14px;text-align:center;padding:14px;transition:.2s}
  .partner:hover{border-color:var(--gold);color:var(--gold-bright);box-shadow:0 0 26px -12px rgba(224,180,62,.5)}

  .docs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .doc{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:30px;display:flex;flex-direction:column;gap:14px;
    transition:.25s;cursor:pointer;text-align:left;width:100%;font:inherit;color:inherit}
  .doc:hover{transform:translateY(-5px);border-color:var(--gold);box-shadow:0 26px 50px -28px #000}
  .doc .ic{width:48px;height:48px;border-radius:50%;background:radial-gradient(135% 135% at 30% 25%,rgba(146,18,148,.5),rgba(83,7,83,.35));border:1px solid rgba(146,18,148,.45);display:flex;align-items:center;justify-content:center;font-size:20px}
  .doc .ttl{font-family:"Montserrat";font-weight:700;font-size:17px;line-height:1.35}
  .doc .view{margin-top:auto;font-weight:600;font-size:14px;color:var(--gold)}
  .doc:hover .view{color:var(--gold-bright)}

  .contacts-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .contact-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:38px}
  .contact-card h3{font-family:"Forum";font-size:26px;margin-bottom:6px}
  .contact-card .sub{font-size:13px;color:var(--ink-soft);margin-bottom:20px}
  .contact-card a{color:inherit;text-decoration:none;transition:color .2s}
  .contact-card a:hover{color:var(--gold-bright)}
  .contact-row{display:flex;gap:16px;padding:15px 0;border-bottom:1px solid var(--line)}
  .contact-row:last-child{border-bottom:none}
  .contact-row .lbl{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);font-weight:600;min-width:110px}
  .contact-row .val{font-size:16px;font-weight:500}
  .req{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}
  .req .item{padding:13px 0;border-bottom:1px solid var(--line)}
  .req .item.full{grid-column:1/-1}
  .req .k{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);font-weight:600;margin-bottom:3px}
  .req .v{font-size:15px;font-weight:600}

  footer{position:relative;overflow:hidden;background:#0A0810;padding:54px 0 40px;border-top:1px solid var(--line)}
  footer::before{content:"";position:absolute;z-index:0;top:-120%;left:50%;transform:translateX(-50%);width:70%;height:240%;
    background:radial-gradient(closest-side,rgba(224,180,62,.18),transparent 70%);filter:blur(70px);pointer-events:none}
  .foot{position:relative;z-index:2;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
  .foot small{font-size:13px;color:var(--ink-soft)}

  /* document lightbox */
  .lightbox{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;
    background:rgba(8,6,12,.93);backdrop-filter:blur(6px);padding:40px;cursor:zoom-out}
  .lightbox.open{display:flex}
  .lightbox img{max-width:min(900px,94vw);max-height:88vh;object-fit:contain;border-radius:8px;
    border:1px solid var(--line);box-shadow:0 40px 100px -30px #000;cursor:default}
  .lightbox .lb-close{position:absolute;top:18px;right:26px;width:44px;height:44px;font-size:30px;line-height:1;
    color:var(--ink);background:none;border:none;cursor:pointer;transition:color .2s}
  .lightbox .lb-close:hover{color:var(--gold-bright)}
  .lightbox .lb-cap{position:absolute;bottom:20px;left:0;right:0;text-align:center;color:var(--ink-soft);font-size:13.5px;padding:0 24px}

  /* ===== Страница «Партнёрство» ===== */
  .sec-head h2 em{font-style:normal;color:var(--gold-bright)}
  nav.links a.active{color:var(--gold-bright)}
  nav.links a.active::after{width:100%}
  /* анимированная аврора вверху страницы — те же «летающие» золото-фиолет, что в герое лендинга */
  .aurora{position:absolute;top:0;left:0;right:0;height:600px;z-index:0;overflow:hidden;pointer-events:none}
  .aurora::before{content:"";position:absolute;top:-34%;left:13%;width:58%;height:132%;
    background:radial-gradient(closest-side,rgba(224,180,62,.34),transparent 70%);filter:blur(46px);
    animation:auroraGold 17s ease-in-out infinite;will-change:transform}
  .aurora::after{content:"";position:absolute;top:-30%;right:4%;width:64%;height:130%;
    background:radial-gradient(closest-side,rgba(180,95,192,.40),transparent 70%);filter:blur(54px);
    animation:auroraPurple 21s ease-in-out infinite;will-change:transform}
  #partnership::after{content:"";position:absolute;z-index:0;bottom:-12%;right:-7%;width:50%;height:74%;
    background:radial-gradient(closest-side,rgba(180,95,192,.16),transparent 70%);filter:blur(84px);pointer-events:none}
  .pblock{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:26px 30px;transition:border-color .25s}
  .pblock:hover{border-color:rgba(224,180,62,.45)}
  .pblock-head{display:flex;align-items:baseline;gap:16px;margin-bottom:14px}
  .pblock-head .num{font-family:"Forum",serif;font-size:30px;color:var(--gold);line-height:1;min-width:34px;flex:none}
  .pblock-head h3{font-family:"Forum",serif;font-size:21px;color:var(--ink);font-weight:400;line-height:1.25}
  .pblock>p{color:var(--ink-soft);font-size:15px;margin-bottom:10px}
  .pblock>p:last-child{margin-bottom:0}
  .pblock .dir-list li{color:var(--ink-soft)}
  .partner-figure{display:flex;justify-content:center;margin:0 auto 40px}
  .partner-figure img{width:min(300px,74%);height:auto;filter:drop-shadow(0 22px 55px rgba(0,0,0,.5)) drop-shadow(0 0 26px rgba(224,180,62,.22))}
  .sub-acc{border-top:1px solid var(--line)}
  .sub-acc summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:13px 0;font-weight:600;color:var(--ink);font-size:16px;transition:color .2s}
  .sub-acc summary::-webkit-details-marker{display:none}
  .sub-acc summary:hover{color:var(--gold-bright)}
  .sub-acc summary .tgl{flex:none;font-size:20px;font-weight:300;line-height:1;color:var(--gold);transition:transform .25s}
  .sub-acc[open] summary .tgl{transform:rotate(45deg)}
  .sub-acc .dir-list{padding:2px 0 16px 32px}
  .p-final{max-width:840px;margin:52px auto 0;text-align:center}
  .p-final .call{font-family:"Forum",serif;font-size:22px;line-height:1.5;color:var(--ink);margin-bottom:22px}
  .p-final .name{font-family:"Forum",serif;font-size:22px;color:var(--gold-bright);margin-bottom:6px}
  .p-final .contacts a{color:var(--ink-soft);text-decoration:none;transition:color .2s;font-size:15px}
  .p-final .contacts a:hover{color:var(--gold-bright)}
  .sec-head.wide{max-width:1000px;margin-bottom:34px}
  .assoc .ttl{display:block}
  .assoc .slogan{display:block;font-style:normal;color:var(--gold-bright);margin-top:4px}

  @media(min-width:881px){.assoc .ttl,.assoc .slogan{white-space:nowrap}}

  @media(max-width:880px){
    .nav .btn{display:none}
    .menu-btn{display:flex}
    .hero-grid{grid-template-columns:1fr;gap:30px}
    .hero-figure img.mark{max-width:320px}
    .about-grid,.docs,.contacts-grid,.req{grid-template-columns:1fr;gap:18px}
    .contact-card{padding:26px 22px}
    .contact-row{flex-direction:column;gap:5px;padding:12px 0}
    .contact-row .lbl{min-width:0}
    .contact-row .val{overflow-wrap:anywhere}
    .partners{grid-template-columns:repeat(2,1fr)}
    .dir-body{padding-left:28px}
    .dir-list.two-col{column-count:1}
    .about-sign{text-align:left}
    details.dir summary{padding:20px 22px;gap:14px}
    .mission{padding:22px 24px}
    .lightbox{padding:14px}
    .lightbox .lb-close{top:8px;right:10px}
    nav.links{display:flex;flex-direction:column;align-items:stretch;position:absolute;top:78px;left:0;right:0;background:var(--bg-2);padding:14px 32px;gap:4px;max-height:0;opacity:0;visibility:hidden;overflow:hidden;transform:translateY(-6px);transition:max-height .35s ease,opacity .25s ease,transform .35s ease,visibility .35s;box-shadow:0 24px 40px -24px rgba(0,0,0,.7)}
    nav.links a{padding:10px 0;font-size:16px}
    .mobile-open nav.links{max-height:340px;opacity:1;visibility:visible;transform:translateY(0)}
    .pblock{padding:22px 20px}
    .pblock-head{gap:13px}
    .pblock-head .num{font-size:26px;min-width:28px}
    .pblock-head h3{font-size:19px}
    .p-final .call,.p-final .name{font-size:19px}
    .partner-figure{margin-bottom:30px}
    .partner-figure img{width:min(240px,64%)}
  }