/* article.css — estilos específicos das páginas de artigo ({categoria}/*.html).
   Carregado junto com shared.css. Editar o layout de TODOS os artigos aqui. */

/* Mantém o muted mais escuro usado nos artigos (shared.css usa #909090) */
:root{--muted:#6B6B6B}

/* ── Breadcrumb ── */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:16px 0;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--rule2)}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--em)}
.breadcrumb-sep{color:var(--ink)}

/* Etiqueta de material: chip escuro (fundo do footer) à direita; rola até #material */
.breadcrumb-tag{margin-left:auto;display:inline-flex;align-items:center;gap:7px;padding:6px 9px 6px 10px;border-radius:5px;font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;line-height:1;text-decoration:none;border:1px solid rgba(255,255,255,.08);background:#1f2937;color:#fff;box-shadow:0 2px 8px -2px rgba(31,41,55,.4);transition:background .2s,box-shadow .2s,transform .15s}
.breadcrumb-tag:hover{transform:translateY(-1px);background:#27313f;box-shadow:0 6px 16px -4px rgba(31,41,55,.5)}
.breadcrumb-tag:active{transform:translateY(0);box-shadow:0 2px 8px -2px rgba(31,41,55,.4)}
.breadcrumb-tag-ico{display:inline-flex;flex:none}
.breadcrumb-tag-ico svg{display:block}
.breadcrumb-tag-label{display:inline-block;padding-top:1px}
.breadcrumb-tag-chev{flex:none;color:rgba(255,255,255,.5);transition:transform .2s}
.breadcrumb-tag:hover .breadcrumb-tag-chev{transform:translateY(2px)}
/* Acento por tipo no ícone, com brilho que contrasta no fundo escuro */
.breadcrumb-tag--free .breadcrumb-tag-ico{color:var(--em-l)}
.breadcrumb-tag--paid .breadcrumb-tag-ico{color:rgba(255,255,255,.92)}

/* Rolagem suave até o material, com folga para a nav fixa */
html{scroll-behavior:smooth}
#material{scroll-margin-top:90px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ── Vídeo / layout ── */
.video-page{padding:32px 0 80px}
.video-embed-wrap{position:relative;aspect-ratio:16/9;background:#111;border-radius:6px;overflow:hidden;box-shadow:0 20px 80px -12px rgba(0,0,0,0.18);margin-bottom:40px}
.video-embed-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:none}
/* Facade: capa clicável que carrega o player do YouTube só ao clicar */
.yt-facade{position:absolute;inset:0;width:100%;height:100%;padding:0;border:none;cursor:pointer;background:#111;display:block}
.yt-facade-thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease,opacity .3s}
.yt-facade:hover .yt-facade-thumb{transform:scale(1.03);opacity:.92}
.yt-facade-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 28px rgba(0,0,0,.35);transition:transform .2s,background .2s}
.yt-facade:hover .yt-facade-play{transform:translate(-50%,-50%) scale(1.08);background:var(--em)}
.yt-facade-play::after{content:'';width:0;height:0;border-style:solid;border-width:11px 0 11px 19px;border-color:transparent transparent transparent #111;margin-left:4px;transition:border-color .2s}
.yt-facade:hover .yt-facade-play::after{border-color:transparent transparent transparent #fff}
.yt-facade:focus-visible{outline:3px solid var(--em);outline-offset:3px}
.video-below{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.video-below--full{grid-template-columns:1fr}
.video-below--full>div:first-child{max-width:720px}
.video-cat{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--em-text);margin-bottom:10px}
.video-h1{font-size:clamp(24px,3.5vw,38px);font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1.1;margin:0 0 14px}
.video-meta{display:flex;align-items:center;gap:16px;margin-bottom:24px;flex-wrap:wrap;border-bottom:1px solid var(--rule2);padding-bottom:20px}
.video-meta-item{font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* ── Corpo do artigo ── */
.video-body{font-size:15px;color:var(--ink2);line-height:1.75}
.video-body p{margin:0 0 18px}
.video-body h2{font-size:21px;font-weight:800;color:var(--ink);letter-spacing:-.025em;line-height:1.2;margin:36px 0 14px}
.video-body h3{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.02em;margin:28px 0 10px}
.video-body h4{font-size:15px;font-weight:700;color:var(--ink);margin:20px 0 8px}
.video-body strong{color:var(--ink);font-weight:700}
.video-body em{font-style:italic}
.video-body ul,.video-body ol{padding-left:24px;margin:0 0 18px}
.video-body li{margin-bottom:6px}
.video-body hr{border:none;border-top:1px solid var(--rule);margin:32px 0}
.video-body a{color:var(--em);text-decoration:underline;text-underline-offset:2px}
.video-body code{font-family:var(--mono);font-size:13px;background:rgba(0,0,0,0.05);border:1px solid var(--rule);border-radius:3px;padding:1px 5px}
.video-body pre{background:var(--ink);border-radius:6px;padding:20px;overflow-x:auto;margin:0 0 18px}
.video-body pre code{background:none;border:none;padding:0;color:#e2e8f0;font-size:13px}
.video-body blockquote{border-left:3px solid var(--em);margin:0 0 18px;padding:12px 18px;background:rgba(5,150,105,0.06);border-radius:0 4px 4px 0}
.video-body blockquote p{margin:0;color:var(--ink2)}
.video-body table{width:100%;border-collapse:collapse;margin:0 0 18px;font-size:14px}
.video-body th{background:var(--bg2);font-weight:700;color:var(--ink);padding:10px 14px;text-align:left;border:1px solid var(--rule)}
.video-body td{padding:9px 14px;border:1px solid var(--rule2);color:var(--ink2)}
.video-body tr:nth-child(even) td{background:rgba(0,0,0,0.02)}

/* ── Sidebar (download gratuito) ── */
.sidebar-col{position:sticky;top:76px}
.sidebar-wrap{border-radius:10px;padding:2px;background:linear-gradient(135deg,rgba(5,150,105,0.6),rgba(16,185,129,0.2) 50%,rgba(5,150,105,0.5));animation:sb-glow 3s ease-in-out infinite}
@keyframes sb-glow{0%,100%{box-shadow:0 0 0 0 rgba(5,150,105,0),0 8px 40px -8px rgba(5,150,105,0.25)}50%{box-shadow:0 0 0 6px rgba(5,150,105,0),0 16px 56px -8px rgba(5,150,105,0.55)}}
.sidebar-alert{display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--em-l),var(--em));padding:10px 16px;border-radius:7px 7px 0 0}
.sidebar-alert-dot{width:7px;height:7px;border-radius:50%;background:#fff;flex:none;animation:alert-ping 1.4s ease-in-out infinite}
@keyframes alert-ping{0%,100%{opacity:1;transform:scale(1);box-shadow:0 0 0 0 rgba(255,255,255,.7)}50%{opacity:.8;transform:scale(1.15);box-shadow:0 0 0 5px rgba(255,255,255,0)}}
.sidebar-alert-text{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:#fff;font-weight:500}
.sidebar-box{background:var(--ink);border-radius:0 0 7px 7px;padding:24px;overflow:hidden;position:relative}
.sidebar-box::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 110% -10%,rgba(5,150,105,0.16) 0%,transparent 60%);pointer-events:none}
.sidebar-title{font-family:var(--mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.3);margin-bottom:10px;position:relative}
.sidebar-h{font-size:15px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2;margin-bottom:6px;position:relative}
.sidebar-desc{font-size:13px;color:rgba(255,255,255,.4);line-height:1.6;margin-bottom:18px;position:relative}
.dl-items{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;position:relative}
.btn-download{display:flex;align-items:center;width:100%;text-align:left;border-radius:6px;overflow:hidden;border:1px solid rgba(5,150,105,.35);background:rgba(5,150,105,.09);transition:border-color .2s,background .2s,transform .15s;min-height:54px;cursor:pointer;position:relative}
.btn-download::after{content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(120deg,transparent 0%,rgba(255,255,255,.07) 50%,transparent 100%);transform:skewX(-15deg);animation:btn-shimmer 3.5s ease-in-out infinite}
@keyframes btn-shimmer{0%{left:-100%}35%{left:130%}100%{left:130%}}
.btn-download:hover{border-color:var(--em);background:rgba(5,150,105,.18);transform:translateY(-1px)}.btn-download:hover::after{animation:none}
.dl-icon-wrap{display:flex;align-items:center;justify-content:center;width:52px;min-height:54px;align-self:stretch;flex:none;background:rgba(5,150,105,.14);border-right:1px solid rgba(5,150,105,.25);font-size:20px;transition:background .2s}
.btn-download:hover .dl-icon-wrap{background:rgba(5,150,105,.28)}
.dl-info{flex:1;padding:12px 18px;display:flex;flex-direction:column;justify-content:center;gap:3px}
.dl-name{font-size:13px;font-weight:700;color:#fff;letter-spacing:-.01em;line-height:1.2}
.dl-type{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--em-l)}
.dl-arrow{width:36px;flex:none;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.25);font-size:14px;transition:color .2s,transform .2s}
.btn-download:hover .dl-arrow{color:var(--em-l);transform:translateX(3px)}
.sidebar-divider{height:1px;background:rgba(255,255,255,.07);margin:18px 0;position:relative}
.sidebar-guarantee{display:flex;align-items:center;gap:10px;position:relative}
.sidebar-guarantee-icon{width:30px;height:30px;border-radius:50%;background:rgba(5,150,105,.12);border:1px solid rgba(5,150,105,.25);display:flex;align-items:center;justify-content:center;font-size:13px;flex:none}
.sidebar-guarantee-text{font-size:12px;color:rgba(255,255,255,.35);line-height:1.6}
.sidebar-guarantee-text strong{color:rgba(255,255,255,.6);font-weight:600}
.sidebar-paid-wrap{border-radius:10px;overflow:hidden;border:1px solid rgba(245,158,11,0.35);box-shadow:0 8px 40px -8px rgba(245,158,11,0.2)}
.sidebar-paid-header{display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#f59e0b,#d97706);padding:10px 16px}
.sidebar-paid-badge-dot{width:7px;height:7px;border-radius:50%;background:#fff;flex:none;animation:alert-ping 1.4s ease-in-out infinite}
.sidebar-paid-badge-text{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:#fff;font-weight:500}
.sidebar-paid-box{background:var(--ink);padding:24px;position:relative;overflow:hidden}
.sidebar-paid-box::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 110% -10%,rgba(245,158,11,0.12) 0%,transparent 60%);pointer-events:none}
.sidebar-paid-label{font-family:var(--mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.3);margin-bottom:8px;position:relative}
.sidebar-paid-name{font-size:15px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2;margin-bottom:16px;position:relative}
.sidebar-paid-price{font-size:28px;font-weight:800;color:#f59e0b;letter-spacing:-.03em;line-height:1;margin-bottom:18px;position:relative}
.sidebar-paid-perks{list-style:none;margin:0 0 20px;padding:0;display:flex;flex-direction:column;gap:8px;position:relative}
.sidebar-paid-perks li{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.65);line-height:1.4}
.sidebar-paid-check{color:#f59e0b;font-weight:700;flex:none}
.sidebar-paid-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;font-size:14px;font-weight:700;border-radius:6px;text-decoration:none;transition:transform .15s,box-shadow .2s;box-shadow:0 6px 20px -4px rgba(245,158,11,0.5);position:relative;margin-bottom:12px}
.sidebar-paid-btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px -4px rgba(245,158,11,0.65);color:#fff}
.sidebar-paid-trust{font-family:var(--mono);font-size:10px;letter-spacing:.1em;color:rgba(255,255,255,.3);text-align:center;margin:0;position:relative}
.sidebar-related{margin-top:20px}
.sidebar-related-label{font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.sidebar-related-card{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--rule2);text-decoration:none;color:inherit;transition:opacity .2s}
.sidebar-related-card:last-child{border-bottom:none}
.sidebar-related-card:hover{opacity:.7}
.sidebar-related-thumb{width:120px;flex:none;aspect-ratio:16/9;border-radius:5px;overflow:hidden;background:#111;position:relative}
.sidebar-related-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.sidebar-related-info{flex:1;min-width:0}
.sidebar-related-cat{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--em);margin-bottom:4px}
.sidebar-related-title{font-size:13px;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1.35;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ── Modal de download ── */
.modal-overlay{display:none;position:fixed;inset:0;z-index:100;align-items:flex-end;justify-content:center;background:rgba(0,0,0,.45);backdrop-filter:blur(4px)}
.modal-overlay.open{display:flex}@media(min-width:600px){.modal-overlay{align-items:center}}
@keyframes slideUp{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}
.modal-box{position:relative;width:100%;max-width:420px;background:var(--bg);border:1px solid var(--rule);border-radius:12px 12px 0 0;padding:32px;box-shadow:0 24px 80px -12px rgba(0,0,0,.2);animation:slideUp .26s cubic-bezier(.34,1.4,.64,1)}
@media(min-width:600px){.modal-box{border-radius:8px}}
.modal-close-btn{position:absolute;top:14px;right:14px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--panel);color:var(--muted);font-size:15px;transition:background .15s}.modal-close-btn:hover{background:var(--rule);color:var(--ink)}
.modal-kicker{font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.03em;text-align:center;margin-bottom:6px;line-height:1.2}
.modal-tagline{font-size:13px;color:var(--em);font-weight:600;text-align:center;margin-bottom:16px;line-height:1.4}
.modal-file-row{display:flex;align-items:center;gap:10px;background:rgba(5,150,105,.06);border:1px solid var(--em-dim);border-radius:6px;padding:10px 14px;margin-bottom:20px}
.modal-file-name{font-size:14px;font-weight:700;color:var(--ink);line-height:1.3}
.modal-stepper{display:flex;align-items:center;margin-bottom:20px}
.modal-step-item{display:flex;flex-direction:column;align-items:center;gap:5px;flex:none}
.modal-step-line{flex:1;height:2px;background:var(--rule);margin:0 8px;margin-bottom:16px;transition:background .3s}
.step-num{width:30px;height:30px;border-radius:50%;border:2px solid #d1d5db;background:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#9ca3af;transition:all .25s}
.step-lbl{font-family:var(--mono);font-size:9px;letter-spacing:.08em;text-transform:uppercase;color:#9ca3af;white-space:nowrap;transition:color .25s;font-weight:600}
.modal-step-item.s-active .step-num{border-color:var(--em);background:var(--em);color:#fff}
.modal-step-item.s-active .step-lbl{color:var(--em)}
.modal-step-item.s-done .step-num{border-color:var(--em);background:var(--em);color:#fff}
.modal-step-item.s-done+.modal-step-line{background:var(--em)}
.step-explain{font-size:13px;color:var(--muted);line-height:1.6;margin-bottom:18px}
.modal-title{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-bottom:4px}
.modal-sub{font-size:13px;color:var(--muted);margin-bottom:16px;line-height:1.5}
.modal-file{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:11px;color:var(--em);background:rgba(5,150,105,.07);border:1px solid var(--em-dim);border-radius:4px;padding:9px 12px;margin-bottom:16px}
.modal-label{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.modal-input{width:100%;border:1px solid var(--rule);border-radius:4px;padding:12px 14px;font-family:var(--sans);font-size:15px;background:#fff;color:var(--ink);transition:border-color .2s;margin-bottom:6px}
.modal-input:focus{outline:none;border-color:var(--em)}.modal-input.err{border-color:#ef4444}
.modal-err{font-size:12px;color:#ef4444;margin-bottom:10px;display:none}.modal-err.show{display:block}
.modal-submit{width:100%;padding:13px;background:linear-gradient(135deg,var(--em-l),var(--em));color:#fff;font-size:14px;font-weight:700;border-radius:5px;min-height:48px;margin-bottom:10px;box-shadow:0 6px 20px -6px rgba(5,150,105,.4);transition:transform .15s,opacity .2s}
.modal-submit:hover:not(:disabled){transform:translateY(-1px)}.modal-submit:disabled{opacity:1;cursor:not-allowed;background:#e5e7eb;color:#9ca3af;box-shadow:none}
.modal-privacy{font-family:var(--mono);font-size:9px;letter-spacing:.12em;color:var(--muted);text-align:center}
.modal-checkbox{display:flex;align-items:flex-start;gap:10px;margin:4px 0 16px;cursor:pointer}.modal-checkbox input[type="checkbox"]{width:16px;height:16px;flex:none;margin-top:2px;accent-color:var(--em);cursor:pointer}.modal-checkbox span{font-size:12px;color:var(--muted);line-height:1.5}
.modal-success{display:none;text-align:center}.modal-success.show{display:block}.modal-form.hide{display:none}
.modal-success-icon{font-size:44px;margin-bottom:12px}.modal-success-title{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.02em;margin-bottom:6px}.modal-success-text{font-size:13px;color:var(--muted);line-height:1.6}

/* ── Imagens do artigo: hover + lightbox (zoom) ── */
/* O JS (lightbox.js) envolve cada <img> do corpo num botão .img-zoom em runtime. */
.video-body .img-zoom{display:block;width:fit-content;max-width:100%;margin:24px auto;padding:0;border:none;background:none;cursor:zoom-in;position:relative;line-height:0;border-radius:8px;overflow:hidden}
.video-body p:has(> .img-zoom){margin:0;text-align:center}
.video-body .img-zoom img{display:block;max-width:100%;height:auto;border:1px solid var(--rule);border-radius:8px;transition:transform .4s ease}
.video-body .img-zoom::after{content:'';position:absolute;inset:0;border-radius:8px;background:rgba(15,23,42,0);transition:background .25s;pointer-events:none}
.video-body .img-zoom:hover::after{background:rgba(15,23,42,.30)}
.video-body .img-zoom:hover img{transform:scale(1.02)}
.video-body .img-zoom:focus-visible{outline:3px solid var(--em);outline-offset:3px}
.img-zoom__hint{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.96);display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;background:rgba(17,24,39,.85);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;white-space:nowrap;opacity:0;transition:opacity .25s,transform .25s;pointer-events:none;box-shadow:0 6px 20px -4px rgba(0,0,0,.5)}
.video-body .img-zoom:hover .img-zoom__hint{opacity:1;transform:translate(-50%,-50%) scale(1)}
.img-zoom__hint svg{display:block;flex:none}
@media(prefers-reduced-motion:reduce){.video-body .img-zoom:hover img{transform:none}}

/* Lightbox (modal da imagem ampliada) */
.lightbox{display:none;position:fixed;inset:0;z-index:200;align-items:center;justify-content:center;padding:24px;background:rgba(8,11,18,.86);backdrop-filter:blur(6px);cursor:zoom-out;animation:lb-fade .2s ease}
.lightbox.open{display:flex}
@keyframes lb-fade{from{opacity:0}to{opacity:1}}
.lightbox__img{max-width:92vw;max-height:88vh;width:auto;height:auto;border-radius:8px;box-shadow:0 30px 90px -20px rgba(0,0,0,.7);animation:lb-zoom .26s cubic-bezier(.34,1.4,.64,1)}
@keyframes lb-zoom{from{opacity:0;transform:scale(.94)}to{opacity:1;transform:none}}
.lightbox__close{position:absolute;top:18px;right:20px;width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.12);color:#fff;font-size:24px;line-height:1;border:1px solid rgba(255,255,255,.18);cursor:pointer;transition:background .15s,transform .15s}
.lightbox__close:hover{background:rgba(255,255,255,.22);transform:scale(1.06)}

/* ── Sumário do artigo ("Resumo do artigo"), colapsável e minimalista ── */
.video-body h2[id],.video-body h3[id]{scroll-margin-top:90px}
.toc{margin:22px 0 30px;border:1px solid var(--rule);border-radius:8px;background:var(--bg2);overflow:hidden}
.toc-summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 16px;cursor:pointer;list-style:none;user-select:none;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--ink);transition:background .15s}
.toc-summary::-webkit-details-marker{display:none}
.toc-summary::marker{content:''}
.toc-summary:hover{background:rgba(0,0,0,.03)}
.toc-chev{flex:none;color:var(--muted);transition:transform .25s}
.toc[open] .toc-chev{transform:rotate(180deg)}
.toc-nav{padding:2px 16px 10px}
.toc-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule2)}
.toc-item{margin:0}
.toc-item a{display:block;padding:8px 0;font-size:14px;line-height:1.4;text-decoration:none;border-bottom:1px solid var(--rule2);transition:color .15s,padding-left .15s}
.toc-item:last-child a{border-bottom:none}
/* H2 = nível principal (mais forte) */
.toc-item--h2 a{color:var(--ink2);font-weight:600}
.toc-item--h2 a:hover{color:var(--em);padding-left:5px}
/* H3 = subnível: mais recuado, menor, com traço conector indicando que é filho do H2 */
.toc-item--h3 a{position:relative;padding-left:30px;font-size:13px;font-weight:400;color:var(--muted)}
.toc-item--h3 a::before{content:'';position:absolute;left:14px;top:50%;width:8px;height:1px;background:var(--rule);transform:translateY(-50%);transition:background .15s}
.toc-item--h3 a:hover{color:var(--em);padding-left:33px}
.toc-item--h3 a:hover::before{background:var(--em)}

/* ── Responsivo (específico do artigo) ── */
@media(max-width:1024px){.video-below{grid-template-columns:1fr 260px;gap:28px}.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){.video-below{grid-template-columns:1fr!important}.video-below--full>div:first-child{max-width:100%}.sidebar-col{position:static}}
@media(max-width:768px){.related-grid{grid-template-columns:1fr}.video-embed-wrap{border-radius:4px;margin-bottom:28px}}