/* USK ENERGY — статті «Експертиза»: типографіка та інтерактив (CSP: лише зовнішні стилі) */
.art-progress{position:fixed;left:0;top:0;height:3px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,#9cc77a,#0a254b);z-index:200;pointer-events:none}
.art-layout{display:grid;grid-template-columns:minmax(0,760px);justify-content:center;gap:56px}.art-layout>*{min-width:0}.art{width:100%}
@media(min-width:1180px){.art-layout{grid-template-columns:230px minmax(0,760px)}}
.art-toc{font-size:var(--type-caption,14px);line-height:1.5}
.art-toc details{border:1px solid var(--line);border-radius:8px;padding:14px 18px;background:#fff}
.art-toc summary{cursor:pointer;font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:12px;color:var(--muted);list-style:none}
.art-toc summary::-webkit-details-marker{display:none}
.art-toc summary::after{content:"+";float:right;font-weight:400;font-size:18px;line-height:1}
.art-toc details[open] summary::after{content:"–"}
.art-toc ol{list-style:none;margin:12px 0 0;padding:0;counter-reset:toc}
.art-toc li{counter-increment:toc;margin:0}
.art-toc a{display:grid;grid-template-columns:26px 1fr;gap:4px;padding:7px 0;color:var(--ink);text-decoration:none;border-top:1px solid #eef1f2}
.art-toc a::before{content:counter(toc,decimal-leading-zero);color:#9aa7ae;font-variant-numeric:tabular-nums}
.art-toc a:hover{color:#456650}
.art-toc a.is-active{color:var(--navy);font-weight:700}
.art-toc a.is-active::before{color:#6a9a4a}
@media(min-width:1180px){.art-toc{position:sticky;top:120px;align-self:start;max-height:calc(100vh - 140px);overflow:auto}.art-toc details{border:0;padding:0;background:none}.art-toc summary{pointer-events:none}.art-toc summary::after{content:none}}
.art{font-variant-numeric:oldstyle-nums proportional-nums}
.art p,.art li{text-wrap:pretty;hyphens:auto;-webkit-hyphens:auto}
.art h2{text-wrap:balance}
.art h3{font-size:19px;line-height:1.4;font-weight:700;margin:30px 0 10px;color:var(--navy)}
.art p+p{margin-top:14px}
.art .art-lead{font-size:clamp(19px,1.5vw,22px);line-height:1.7;color:var(--navy);margin-bottom:34px;font-weight:500}
.art .art-lead::first-letter{float:left;font-size:3.6em;line-height:.82;padding:6px 10px 0 0;font-weight:600;color:#6a9a4a}
.art ul,.art ol{padding-left:1.2em;margin:14px 0}
.art li{margin:7px 0;line-height:1.8;font-size:var(--type-reading)}
.art ul>li::marker{color:#6a9a4a}
.art strong{font-weight:700;color:var(--navy)}
.art a:not(.button){color:var(--navy);text-decoration:underline;text-decoration-color:#b3c4c0;text-underline-offset:4px}
.art a:not(.button):hover{color:#456650}
.art abbr{text-decoration:none;border-bottom:1px dotted #8fa0a8;cursor:help}
.art .nowrap{white-space:nowrap}
.art-note,.art-warn{margin:26px 0;padding:18px 22px;border-radius:8px;line-height:1.75;font-size:var(--type-reading)}
.art-note{background:#f1f7ea;border-left:4px solid #9cc77a}
.art-warn{background:#fbf4e6;border-left:4px solid #d5a14b}
.art-note>b:first-child,.art-warn>b:first-child{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px;color:var(--muted)}
.art-formula{margin:24px 0;padding:22px;border-radius:8px;background:var(--light);text-align:center;font-size:clamp(18px,2vw,24px);font-variant-numeric:lining-nums tabular-nums;letter-spacing:.01em;color:var(--navy)}
.art-formula small{display:block;margin-top:10px;font-size:14px;color:var(--muted);letter-spacing:0;line-height:1.6}
.art-formula var{font-style:italic;font-family:Georgia,"Times New Roman",serif}
.art-figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin:28px 0}
.art-figures div{border:1px solid var(--line);border-radius:8px;padding:18px}
.art-figures b{display:block;font-size:32px;line-height:1.1;font-weight:600;color:var(--navy);font-variant-numeric:lining-nums}
.art-figures span{display:block;margin-top:8px;font-size:14px;line-height:1.5;color:var(--muted)}
.art-pull{margin:36px 0;padding:6px 0 6px 26px;border-left:3px solid var(--navy);font-size:clamp(20px,1.8vw,24px);line-height:1.55;color:var(--navy);font-weight:500}
.art-table{margin:26px 0;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:8px}
.art-table table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.55;min-width:560px}
.art-table caption{caption-side:top;text-align:left;padding:14px 16px 0;font-size:13px;color:var(--muted);letter-spacing:.04em}
.art-table th,.art-table td{padding:12px 16px;text-align:left;vertical-align:top;border-top:1px solid var(--line)}
.art-table thead th{border-top:0;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700;background:#fafbfb}
.art-table tbody th{font-weight:700;color:var(--navy)}
.art-table td.num,.art-table th.num{text-align:right;font-variant-numeric:lining-nums tabular-nums;white-space:nowrap}
.art-steps{list-style:none;padding:0!important;counter-reset:st;margin:24px 0}
.art-steps>li{counter-increment:st;position:relative;padding:0 0 22px 62px;margin:0}
.art-steps>li::before{content:counter(st);position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;font-variant-numeric:lining-nums}
.art-steps>li::after{content:"";position:absolute;left:19px;top:46px;bottom:4px;width:2px;background:var(--line)}
.art-steps>li:last-child::after{display:none}
.art-steps>li>b{display:block;color:var(--navy);margin-bottom:2px}
.art-hero-contain{background:#fff}
.article-hero.art-hero-contain.media-frame>img{object-fit:contain;top:0;height:100%;translate:none!important;padding:10px 0}
/* інструменти */
.art-tool{margin:34px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 10px 30px rgba(10,37,75,.06)}
.art-tool-head{padding:18px 22px;background:var(--navy);color:#fff}
.art-tool-head b{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#cfe3bd;margin-bottom:4px}
.art-tool-head span{font-size:18px;line-height:1.4;font-weight:600}
.art-tool-body{padding:22px}
.art-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px 20px}
.art-field{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted);line-height:1.4}
.art-field>span:first-child{font-weight:600;color:var(--ink)}
.art-field small{color:var(--muted);font-size:12.5px}
.art-in{display:flex;align-items:center;border:1px solid #cfd8dc;border-radius:7px;background:#fff;overflow:hidden}
.art-in:focus-within{border-color:var(--navy);box-shadow:0 0 0 3px rgba(10,37,75,.12)}
.art-in input,.art-in select{flex:1;min-width:0;border:0!important;outline:0;padding:10px 12px;font-size:16px!important;background:transparent;color:var(--navy);font-variant-numeric:lining-nums tabular-nums;box-shadow:none!important}
.art-in em{font-style:normal;padding:0 12px;color:var(--muted);font-size:14px;white-space:nowrap}
.art-tool fieldset{border:0;padding:0;margin:0 0 18px}
.art-tool legend{font-weight:700;color:var(--navy);margin-bottom:10px;font-size:15px}
.art-cols{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:640px){.art-cols{grid-template-columns:1fr}}
.art-col{border:1px solid var(--line);border-radius:8px;padding:16px}
.art-col h4{margin:0 0 12px;font-size:15px;color:var(--navy)}
.art-col .art-fields{grid-template-columns:1fr}
.art-out{margin-top:22px;border-radius:10px;background:var(--light);padding:20px}
.art-out-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.art-out-grid div{background:#fff;border-radius:8px;padding:14px 16px;border:1px solid var(--line)}
.art-out-grid b{display:block;font-size:26px;line-height:1.15;color:var(--navy);font-variant-numeric:lining-nums tabular-nums;font-weight:700}
.art-out-grid span{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.45}
.art-out-grid .is-key{background:var(--navy);border-color:var(--navy)}
.art-out-grid .is-key b{color:#fff}.art-out-grid .is-key span{color:#cfe3bd}
.art-out p{margin-top:14px!important;font-size:15px!important;line-height:1.65!important;color:var(--ink)}
.art-msg[hidden]{display:none!important}
.art-bar{display:flex;height:34px;border-radius:6px;overflow:hidden;margin:16px 0 8px;background:#e7ecee}
.art-bar i{display:block;height:100%;transition:width .35s ease;min-width:2px}
.art-bar i:nth-child(1){background:#0a254b}.art-bar i:nth-child(2){background:#5f87ad}.art-bar i:nth-child(3){background:#9cc77a}.art-bar i:nth-child(4){background:#d5a14b}
.art-legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:13px;color:var(--muted)}
.art-legend span::before{content:"";display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px;background:#0a254b}.art-legend span:nth-child(2)::before{background:#5f87ad}.art-legend span:nth-child(3)::before{background:#9cc77a}.art-legend span:nth-child(4)::before{background:#d5a14b}
.art-pills{display:flex;flex-wrap:wrap;gap:8px}
.art-pills label{position:relative}
.art-pills input{position:absolute;opacity:0;pointer-events:none}
.art-pills span{display:inline-block;padding:9px 15px;border:1px solid #cfd8dc;border-radius:999px;font-size:15px;color:var(--ink);cursor:pointer;line-height:1.3;background:#fff;transition:background .2s,border-color .2s}
.art-pills input:checked+span{background:var(--navy);border-color:var(--navy);color:#fff}
.art-pills input:focus-visible+span{box-shadow:0 0 0 3px rgba(10,37,75,.2)}
.art-res{margin-top:18px;border-radius:10px;padding:20px 22px;background:#f1f7ea;border:1px solid #cfe3bd}
.art-res h4{margin:0 0 6px;font-size:19px;color:var(--navy)}
.art-res p{font-size:15px!important;line-height:1.7!important}
.art-check{list-style:none;padding:0!important;margin:0}
.art-check li{margin:0;border-top:1px solid #eef1f2;font-size:15px}
.art-check label{display:grid;grid-template-columns:24px 1fr;gap:12px;padding:11px 2px;cursor:pointer;line-height:1.55}
.art-check input{width:20px;height:20px;margin-top:2px;accent-color:#0a254b}
.art-check small{display:block;color:var(--muted);font-size:13px}
.art-check-group+.art-check-group{margin-top:20px}
.art-check-group h4{margin:0 0 6px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.art-meter{display:flex;align-items:center;gap:12px;margin:0 0 16px;font-size:14px;color:var(--muted)}
.art-meter i{flex:1;height:8px;border-radius:4px;background:#e7ecee;overflow:hidden;position:relative}
.art-meter i::after{content:"";position:absolute;inset:0 auto 0 0;width:var(--p,0%);background:#9cc77a;transition:width .3s}
.art-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.art-actions .button{font-size:var(--type-ui,15px)}
.art-btn2{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:999px;border:1px solid var(--navy);background:#fff;color:var(--navy);font-weight:600;cursor:pointer;font-size:15px}
.art-btn2:hover{background:var(--light)}
.art-dec-in{display:flex;gap:10px;flex-wrap:wrap}
.art-dec-in .art-in{flex:1;min-width:220px}
.art-dec-in input{font-size:20px!important;letter-spacing:.04em}
.art-examples{margin-top:10px;font-size:13px;color:var(--muted)}
.art-examples button{border:0;background:none;padding:2px 4px;color:var(--navy);text-decoration:underline dotted;text-underline-offset:3px;cursor:pointer;font-size:13px}
.art-dec-out{margin-top:18px}
.art-dec-code{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:12px}
.art-dec-code span{display:inline-flex;flex-direction:column;align-items:center;min-width:42px;padding:8px 8px 6px;border-radius:6px;background:var(--navy);color:#fff;font-weight:700;font-size:20px;line-height:1}
.art-dec-code span small{font-size:10px;font-weight:600;letter-spacing:.06em;color:#cfe3bd;margin-top:5px;text-transform:uppercase}
.art-dec-code span.alt{background:#5f87ad}.art-dec-code span.num{background:#456650}.art-dec-code span.unk{background:#b9c3c8}
.art-tl{list-style:none;padding:0!important;margin:20px 0 0;position:relative}
.art-tl li{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:10px 0;border-top:1px dashed var(--line);margin:0;font-size:15px}
.art-tl li b{color:var(--navy);font-variant-numeric:lining-nums tabular-nums}
.art-tl li span{color:var(--ink);line-height:1.55}
.art-tl-bar{display:flex;height:16px;border-radius:4px;overflow:hidden;margin-top:14px;background:#e7ecee}
.art-tl-bar i{height:100%;display:block}
.art-tl-bar i:nth-child(odd){background:#0a254b}.art-tl-bar i:nth-child(even){background:#9cc77a}
.art-src{font-size:14px;color:var(--muted);line-height:1.6;margin-top:6px}
@media(max-width:640px){.art .art-lead::first-letter{font-size:3em}.art-tool-body{padding:16px}.art-out{padding:14px}.art-out-grid b{font-size:22px}.art-tl li{grid-template-columns:86px 1fr}}
@media print{.art-progress,.art-toc,.art-tool{display:none}}
.art ul:not(.art-check){list-style:disc}.art ol:not(.art-steps):not(.art-tl){list-style:decimal}
.art .art-lead{hyphens:manual;-webkit-hyphens:manual}
.art-out-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}
.art-cols+.art-fields{margin-top:18px}
.art-out-grid b span{display:inline;font-size:inherit;color:inherit;margin:0;line-height:inherit}
.art-in select{appearance:auto;cursor:pointer}