:root{
    --bg:#FAFAF7;--surface:#FFFFFF;--card:#F4F2ED;--card-2:#EDEAE0;
    --dark:#0F1A14;--ink:#102A1C;--ink-2:#1F3A2A;
    --muted:#5C6B62;--line:#E5E2D8;
    --lime:#C5F230;--lime-dark:#A8D81F;--on-dark:#FAFAF7;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    background:var(--bg);color:var(--ink);
    font-family:'Manrope',system-ui,sans-serif;font-weight:400;font-size:16px;line-height:1.6;
    -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.container{max-width:1320px;margin:0 auto;padding:0 28px;position:relative;z-index:2}
em.serif{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;color:var(--lime)}

header{
    position:fixed;top:16px;left:16px;right:16px;z-index:50;
    background:rgba(15,26,20,.55);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border:1px solid rgba(255,255,255,.08);
    border-radius:999px;padding:10px 12px 10px 28px;
}

section.block{padding:120px 0}
.section-head{margin-bottom:60px;max-width:760px}
.section-head .eyebrow{margin-bottom:20px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{display:flex;align-items:center;gap:10px;color:var(--on-dark);font-size:20px;font-weight:700;letter-spacing:-.01em}
.logo-mark{
    width:28px;height:28px;border-radius:8px;background:var(--lime);
    display:flex;align-items:center;justify-content:center;
    color:var(--ink);font-weight:700;font-size:14px;
}
.nav-menu{display:flex;gap:8px;font-size:14px;color:rgba(255,255,255,.85);font-weight:500;align-items:center}
.nav-item{position:relative}
.nav-link{
    display:inline-flex;align-items:center;gap:6px;
    padding:10px 16px;border-radius:999px;
    color:rgba(255,255,255,.85);transition:color .2s, background .2s;cursor:pointer;
    background:transparent;border:none;font:inherit;font-weight:500;
}
.nav-link:hover, .nav-item.open > .nav-link{color:var(--lime);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--lime)}
.nav-link .chev{
    font-size:8px;opacity:.7;
    display:inline-block;transition:transform .25s ease;
}
.nav-item.open .nav-link .chev{transform:rotate(180deg);opacity:1}

/* Dropdown */
.dropdown{
    position:absolute;top:calc(100% + 12px);left:0;
    min-width:280px;
    background:rgba(15,26,20,.92);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border:1px solid rgba(255,255,255,.1);
    border-radius:20px;padding:12px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .25s ease, transform .25s ease, visibility .25s;
    list-style:none;
    box-shadow:0 20px 60px rgba(0,0,0,.4);
    z-index:60;
}
.nav-item.open .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown.wide{min-width:340px}
.dropdown li{display:block}
.dropdown a{
    display:flex;align-items:center;gap:12px;
    padding:12px 14px;border-radius:12px;
    color:rgba(255,255,255,.85);font-size:14px;font-weight:500;
    transition:background .2s, color .2s;
}
.dropdown a:hover{background:rgba(197,242,48,.1);color:var(--lime)}
.dropdown a.current{background:rgba(197,242,48,.15);color:var(--lime)}
.dd-icon{
    width:32px;height:32px;border-radius:8px;
    background:rgba(255,255,255,.06);
    display:flex;align-items:center;justify-content:center;
    color:var(--lime);flex-shrink:0;
    transition:background .2s;
}
.dropdown a:hover .dd-icon{background:rgba(197,242,48,.2)}
.dd-text{display:flex;flex-direction:column;gap:2px;line-height:1.3}
.dd-text small{color:rgba(255,255,255,.5);font-size:11px;font-weight:400;letter-spacing:.04em}

.nav-pill{background:var(--surface);color:var(--ink);padding:10px 20px;border-radius:999px;font-size:13px;font-weight:600;transition:background .2s}
.nav-pill:hover{background:var(--lime)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
    width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);
    display:flex;align-items:center;justify-content:center;color:var(--on-dark);
    transition:background .2s;
}
.icon-btn:hover{background:rgba(255,255,255,.15)}

/* Burger */
.burger{
    display:none;
    width:42px;height:42px;border-radius:50%;
    background:var(--lime);border:none;cursor:pointer;
    align-items:center;justify-content:center;
    padding:0;
}
.burger span{
    display:block;width:18px;height:2px;background:var(--ink);
    border-radius:2px;position:relative;
    transition:transform .3s, opacity .2s;
}
.burger span::before, .burger span::after{
    content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
    border-radius:2px;transition:transform .3s, top .3s;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
body.menu-open .burger span{background:transparent}
body.menu-open .burger span::before{top:0;transform:rotate(45deg)}
body.menu-open .burger span::after{top:0;transform:rotate(-45deg)}

/* Mobile menu overlay */
.mobile-menu{
    position:fixed;inset:0;z-index:45;
    background:var(--dark);
    padding:90px 24px 32px;
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-16px);
    transition:opacity .3s ease, transform .3s ease, visibility .3s;
}
body.menu-open .mobile-menu{opacity:1;visibility:visible;transform:translateY(0)}
body.menu-open{overflow:hidden}
.mobile-menu ul{list-style:none;display:flex;flex-direction:column;gap:4px}
.mm-item{border-bottom:1px solid rgba(255,255,255,.08)}
.mm-toggle{
    width:100%;background:transparent;border:none;
    display:flex;align-items:center;justify-content:space-between;
    padding:20px 4px;color:var(--on-dark);font-size:18px;font-weight:600;
    cursor:pointer;font-family:inherit;letter-spacing:-.01em;
}
.mm-toggle .chev{
    width:32px;height:32px;border-radius:50%;
    background:rgba(255,255,255,.08);
    display:flex;align-items:center;justify-content:center;
    font-size:12px;transition:transform .25s, background .25s;
}
.mm-item.open .mm-toggle .chev{transform:rotate(180deg);background:var(--lime);color:var(--ink)}
.mm-sub{
    max-height:0;overflow:hidden;
    transition:max-height .35s ease;
    list-style:none;
}
.mm-item.open .mm-sub{max-height:600px}
.mm-sub li a{
    display:flex;align-items:center;gap:12px;
    padding:14px 4px 14px 16px;
    color:rgba(255,255,255,.7);font-size:15px;
    border-left:2px solid rgba(197,242,48,.3);
    margin-left:8px;margin-bottom:4px;
    transition:color .2s, border-color .2s;
}
.mm-sub li a:hover, .mm-sub li a.current{color:var(--lime);border-left-color:var(--lime)}
.mm-cta{margin-top:32px;display:flex;flex-direction:column;gap:12px}
.mm-cta .btn-hero{justify-content:center;width:100%}
.mm-contact{
    margin-top:24px;padding-top:24px;border-top:1px solid rgba(255,255,255,.08);
    color:rgba(255,255,255,.6);font-size:14px;line-height:1.8;
}
.mm-contact a{color:var(--lime)}
.btn-lime{
    background:var(--lime);color:var(--ink);
    padding:10px 20px;border-radius:999px;font-size:13px;font-weight:600;
    display:inline-flex;align-items:center;gap:6px;
    transition:background .2s, transform .2s;
}
.btn-lime:hover{background:var(--lime-dark);transform:translateY(-1px)}

/* Page header section */
.page-head{
    padding:80px 0 48px;
    border-bottom:1px solid var(--line);
    margin-bottom:60px;
    position:relative;
}
.breadcrumbs{
    display:flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.1em;text-transform:uppercase;
    color:var(--muted);font-weight:500;margin-bottom:24px;
}
.breadcrumbs a{transition:color .2s}
.breadcrumbs a:hover{color:var(--ink)}
.breadcrumbs .sep{color:var(--line)}
.breadcrumbs .current{color:var(--ink-2)}

.page-head h1{
    font-size:clamp(36px,5vw,64px);
    font-weight:500;letter-spacing:-.02em;line-height:1.05;
    color:var(--ink);max-width:780px;
}
.page-head h1 em{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;color:var(--ink-2)}
.meta-row{
    display:flex;gap:20px;flex-wrap:wrap;margin-top:24px;
    font-size:13px;color:var(--muted);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px;letter-spacing:.04em}
.meta-row svg{color:var(--lime-dark)}
.meta-row b{color:var(--ink-2);font-weight:600}

/* Content layout */
.content-grid{
    display:grid;grid-template-columns:280px 1fr;
    gap:80px;align-items:start;
    padding-bottom:120px;
}

/* TOC sticky */
.toc{
    position:sticky;top:120px;
    background:var(--card);border-radius:20px;padding:24px;
}
.toc-label{
    font-size:11px;letter-spacing:.16em;text-transform:uppercase;
    color:var(--muted);font-weight:600;margin-bottom:14px;
    display:block;
}
.toc ol{list-style:none;counter-reset:toc;display:flex;flex-direction:column;gap:2px}
.toc li{counter-increment:toc;position:relative}
.toc a{
    display:flex;gap:10px;
    padding:8px 10px;border-radius:8px;
    font-size:13px;line-height:1.4;color:var(--muted);
    transition:background .2s, color .2s;
}
.toc a::before{
    content:counter(toc, decimal-leading-zero);
    font-family:'JetBrains Mono',monospace;
    color:var(--lime-dark);font-size:11px;font-weight:600;flex-shrink:0;
    padding-top:2px;
}
.toc a:hover, .toc a.active{background:var(--surface);color:var(--ink)}

/* Article body */
article{max-width:780px}
article h2{
    font-size:clamp(24px,2.5vw,30px);
    font-weight:600;letter-spacing:-.01em;line-height:1.2;
    color:var(--ink);margin-top:48px;margin-bottom:16px;
    scroll-margin-top:120px;
    display:flex;align-items:center;gap:14px;
}
article h2:first-child{margin-top:0}
article h2 .h-num{
    font-family:'JetBrains Mono',monospace;font-size:13px;
    color:var(--lime-dark);font-weight:600;letter-spacing:.04em;
    background:var(--card);padding:6px 10px;border-radius:8px;
}
article h3{
    font-size:18px;font-weight:600;color:var(--ink-2);
    margin-top:28px;margin-bottom:10px;
}
article p{
    color:var(--ink-2);font-size:15.5px;line-height:1.75;
    margin-bottom:14px;
}
article p strong, article li strong{color:var(--ink);font-weight:600}
article ul{
    margin:8px 0 18px;padding-left:0;list-style:none;
    display:flex;flex-direction:column;gap:8px;
}
article ul li{
    position:relative;padding-left:28px;
    color:var(--ink-2);font-size:15px;line-height:1.65;
}
article ul li::before{
    content:"";position:absolute;left:0;top:11px;
    width:14px;height:14px;border-radius:50%;background:var(--lime);
}
article ul li::after{
    content:"";position:absolute;left:3px;top:14px;
    width:8px;height:5px;
    border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);
    transform:rotate(-45deg);
}
article a.inline{color:var(--ink);text-decoration:underline;text-decoration-color:var(--lime)}
article a.inline:hover{color:var(--lime-dark)}

/* Highlight block */
.callout{
    margin:24px 0;padding:20px 24px;
    background:var(--card);border-radius:14px;
    border-left:3px solid var(--lime);
    color:var(--ink-2);font-size:14.5px;line-height:1.65;
}
.callout strong{color:var(--ink)}

/* Контактный блок-карточка в конце */
.contact-box{
    margin-top:48px;
    background:var(--dark);color:var(--on-dark);
    border-radius:24px;padding:36px;
    position:relative;overflow:hidden;
}
.contact-box::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(ellipse at 100% 50%, rgba(197,242,48,.15), transparent 60%);
}
.contact-box > *{position:relative;z-index:2}
.contact-box-label{
    display:inline-block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
    color:var(--lime);font-weight:600;
    background:rgba(197,242,48,.1);padding:6px 14px;border-radius:999px;
    border:1px solid rgba(197,242,48,.2);
}
.contact-box h3{
    color:var(--on-dark);font-size:24px;font-weight:600;
    margin:16px 0 12px;line-height:1.25;
}
.contact-box p{color:rgba(255,255,255,.78);font-size:14.5px;line-height:1.65;margin-bottom:20px}
.contact-list{display:flex;flex-direction:column;gap:14px}
.contact-row{
    display:flex;align-items:center;gap:14px;
    padding:14px 18px;background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.08);border-radius:12px;
}
.contact-row .ic{
    width:36px;height:36px;border-radius:10px;background:rgba(197,242,48,.15);
    display:flex;align-items:center;justify-content:center;color:var(--lime);flex-shrink:0;
}
.contact-row .info{flex:1;min-width:0}
.contact-row small{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.55);font-weight:600}
.contact-row span, .contact-row a{
    display:block;color:var(--on-dark);font-size:14px;font-weight:600;margin-top:2px;
}
.contact-row a:hover{color:var(--lime)}

/* Footer */
footer{padding:80px 0 40px;background:var(--bg)}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid var(--line)}
.foot-brand p{color:var(--muted);font-size:14px;max-width:320px;margin-top:16px}
.foot-col h5{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-2);margin-bottom:20px}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-col a{color:var(--muted);font-size:14px;transition:color .2s}
.foot-col a:hover{color:var(--ink)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:32px;font-size:12px;color:var(--muted);flex-wrap:wrap;gap:12px}


/* MODAL */
.modal-backdrop{
    position:fixed;inset:0;z-index:100;
    background:rgba(15,26,20,.6);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
    opacity:0;visibility:hidden;transition:opacity .3s, visibility .3s;
    display:flex;align-items:center;justify-content:center;padding:20px;
}
body.modal-open .modal-backdrop{opacity:1;visibility:visible}
.modal{
    background:var(--surface);border-radius:28px;
    width:100%;max-width:520px;max-height:90vh;overflow-y:auto;
    padding:40px;position:relative;
    transform:translateY(20px) scale(.96);
    transition:transform .35s cubic-bezier(.2,.8,.2,1);
    box-shadow:0 30px 80px rgba(0,0,0,.25);
}
body.modal-open .modal{transform:translateY(0) scale(1)}
.modal-close{
    position:absolute;top:20px;right:20px;
    width:40px;height:40px;border-radius:50%;
    background:var(--card);border:none;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    color:var(--ink);transition:background .2s, transform .2s;
}
.modal-close:hover{background:var(--lime);transform:rotate(90deg)}
.modal h3{font-size:28px;font-weight:600;letter-spacing:-.02em;margin-bottom:8px;line-height:1.2}
.modal h3 em{font-family:'Instrument Serif',serif;font-style:italic;font-weight:400;color:var(--ink-2)}
.modal-sub{color:var(--muted);font-size:15px;margin-bottom:28px;line-height:1.5}
.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.form-row label{font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
.form-row label .req{color:var(--danger);margin-left:4px}
.form-row input, .form-row textarea{
    width:100%;padding:14px 18px;border-radius:14px;
    background:var(--card);border:1.5px solid transparent;
    font-family:inherit;font-size:15px;color:var(--ink);
    transition:border-color .2s, background .2s;resize:none;
}
.form-row input:focus, .form-row textarea:focus{outline:none;border-color:var(--lime);background:var(--surface)}
.form-row input.error, .form-row textarea.error{border-color:var(--danger)}
.form-error{color:var(--danger);font-size:12px;margin-top:4px;font-weight:500;display:none}
.form-row.has-error .form-error{display:block}
.form-policy{font-size:12px;color:var(--muted);line-height:1.5;margin:8px 0 20px}
.form-policy a{color:var(--ink-2);text-decoration:underline}
.form-submit{width:100%;justify-content:center;padding:18px}
.form-success{display:none;text-align:center;padding:20px 0}
.form-success.show{display:block}
.form-success-icon{
    width:64px;height:64px;border-radius:50%;background:var(--lime);
    display:flex;align-items:center;justify-content:center;
    margin:0 auto 20px;color:var(--ink);
}
.form-success h4{font-size:22px;font-weight:600;margin-bottom:8px}
.form-success p{color:var(--muted);font-size:15px;line-height:1.5}
.modal.success-state .form-content{display:none}

.reveal{opacity:1;transform:translateY(20px);transition:opacity .8s ease, transform .8s ease}
.reveal.in{opacity:1;transform:translateY(0)}

@media (max-width: 1080px){
    .content-grid{grid-template-columns:1fr;gap:40px}
    .toc{position:relative;top:auto}
    article{max-width:100%}
}
@media (max-width: 640px){
    header{margin:8px 8px 0;left:8px;right:8px;padding:8px 8px 8px 20px}
    .container{padding:0 16px}
    .page-head{padding:60px 0 32px;margin-bottom:40px}
    .nav-back span{display:none}
    article h2{font-size:22px;flex-wrap:wrap;gap:10px}
    .contact-box{padding:28px 22px}
}