/* ═══════════════════════════════════════════════
   Trek Viagens — Single Post & Article Styles
   100% faithful to blog-single.html
   ═══════════════════════════════════════════════ */

/* ── READING PROGRESS ── */
.reading-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--trek-orange),var(--trek-orange-light));z-index:1001;width:0%;transition:width .15s linear}

/* ── ARTICLE HERO ── */
.art-hero{position:relative;min-height:70vh;display:flex;align-items:flex-end;overflow:hidden;background:var(--color-darker-bg)}
.art-hero--page{min-height:50vh}
.art-hero-bg{position:absolute;inset:0;z-index:0}
.art-hero--page .art-hero-bg{background-size:cover;background-position:center;opacity:.35}
.art-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.35;transform-origin:center}
.art-hero-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(13,16,16,.2) 0%,rgba(13,16,16,.7) 50%,var(--color-darker-bg) 100%)}
.art-hero-grid{position:absolute;inset:0;z-index:2;background-image:linear-gradient(rgba(239,108,0,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(239,108,0,.02) 1px,transparent 1px);background-size:80px 80px}
.art-hero-content{position:relative;z-index:10;max-width:820px;padding:0 60px 80px;margin:0 auto;text-align:center}
.art-hero-breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;font-weight:500;letter-spacing:1px;text-transform:uppercase;color:rgba(255,255,255,.35);margin-bottom:24px}
.art-hero-breadcrumb a{color:rgba(255,255,255,.5)}
.art-hero-breadcrumb a:hover{color:var(--trek-orange)}
.art-hero-breadcrumb .sep{color:var(--trek-orange);font-size:10px}
.art-hero-cat{display:inline-flex;align-items:center;gap:6px;padding:6px 16px;background:var(--trek-orange);color:#fff;font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;border-radius:var(--radius-full);margin-bottom:20px}
.art-hero-title{font-family:var(--font-display);font-size:clamp(2.4rem,5vw,3.8rem);font-weight:300;line-height:1.12;color:#fff;margin-bottom:24px}
.art-hero-title em{font-style:italic;color:var(--trek-orange)}
.art-hero-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center}
.art-hero-author{display:flex;align-items:center;gap:10px}
.art-hero-author img{width:40px;height:40px;border-radius:50%;object-fit:cover;border:2px solid rgba(239,108,0,.3)}
.art-hero-author-info{font-size:.85rem;color:rgba(255,255,255,.5);text-align:left}
.art-hero-author-info strong{color:#fff;font-weight:600;display:block}
.art-meta-divider{width:1px;height:20px;background:rgba(255,255,255,.12)}
.art-meta-item{display:flex;align-items:center;gap:6px;font-size:.82rem;color:rgba(255,255,255,.4)}
.art-meta-item i{color:var(--trek-orange);font-size:12px}

/* ── ARTICLE LAYOUT ── */
.art-layout{max-width:1200px;margin:0 auto;padding:80px 60px 120px;display:grid;grid-template-columns:1fr 340px;gap:60px;align-items:start}

/* ── ARTICLE CONTENT ── */
.art-content{min-width:0}
.art-content > *{margin-bottom:28px}
.art-content h2{font-family:var(--font-display);font-size:clamp(1.6rem,2.5vw,2.2rem);font-weight:300;line-height:1.25;color:var(--color-text-dark);margin-top:48px;margin-bottom:20px;position:relative;padding-left:20px}
.art-content h2::before{content:'';position:absolute;left:0;top:4px;bottom:4px;width:3px;background:linear-gradient(180deg,var(--trek-orange),var(--trek-orange-light));border-radius:2px}
.art-content h3{font-family:var(--font-heading);font-size:1.2rem;font-weight:500;color:var(--color-text-dark);margin-top:36px;margin-bottom:14px}
.art-content p{font-size:1.05rem;line-height:2;color:var(--color-text-light);font-weight:300}
.art-content p strong{color:var(--color-text-dark);font-weight:500}
.art-content a{color:var(--trek-orange);border-bottom:1px solid rgba(239,108,0,.2)}
.art-content a:hover{border-bottom-color:var(--trek-orange)}
.art-content blockquote{position:relative;padding:32px 36px 32px 40px;margin:40px 0;background:rgba(239,108,0,.04);border-left:4px solid var(--trek-orange);border-radius:0 var(--radius-lg) var(--radius-lg) 0;font-family:var(--font-display);font-size:1.2rem;font-style:italic;line-height:1.7;color:var(--color-text-dark)}
.art-content blockquote::before{content:'\201C';font-family:var(--font-display);font-size:5rem;position:absolute;top:-10px;left:12px;color:var(--trek-orange);opacity:.15;line-height:1}
.art-content blockquote p{font-size:inherit;line-height:inherit;color:inherit;font-weight:inherit}
.art-content ul,.art-content ol{padding-left:0;margin:24px 0}
.art-content ul li{padding:8px 0 8px 28px;font-size:1rem;line-height:1.8;color:var(--color-text-light);position:relative;list-style:none}
.art-content ul li::before{content:'';position:absolute;left:8px;top:17px;width:8px;height:8px;border-radius:50%;border:2px solid var(--trek-orange);background:transparent}
.art-content ol{counter-reset:ol-counter;padding-left:0}
.art-content ol li{counter-increment:ol-counter;padding:8px 0 8px 36px;font-size:1rem;line-height:1.8;color:var(--color-text-light);position:relative;list-style:none}
.art-content ol li::before{content:counter(ol-counter);position:absolute;left:0;top:6px;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--trek-orange),var(--trek-orange-light));color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.art-img-full{margin:48px 0;border-radius:var(--radius-xl);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.08)}
.art-img-full img{width:100%;display:block}
.art-img-caption{text-align:center;font-size:.82rem;color:var(--color-text-light);margin-top:14px;font-style:italic}
.art-content img{border-radius:var(--radius-xl);box-shadow:0 20px 60px rgba(0,0,0,.08)}
.art-content .wp-caption{margin:48px 0}
.art-content .wp-caption-text{text-align:center;font-size:.82rem;color:var(--color-text-light);margin-top:14px;font-style:italic}
.art-highlight-box{background:linear-gradient(135deg,rgba(239,108,0,.06),rgba(10,159,165,.04));border:1px solid var(--color-bd);border-radius:var(--radius-lg);padding:32px 36px;margin:40px 0}
.art-highlight-box h4{font-family:var(--font-heading);font-size:1rem;font-weight:600;color:var(--trek-orange);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.art-highlight-box p{font-size:.95rem;line-height:1.8;color:var(--color-text-light)}

/* ── TAGS & SHARE ── */
.art-tags-share{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;padding:32px 0;margin-top:48px;border-top:1px solid var(--color-bd)}
.art-tags{display:flex;flex-wrap:wrap;gap:8px}
.art-tag{padding:6px 16px;border-radius:var(--radius-full);border:1px solid var(--color-bd);font-size:12px;font-weight:500;color:var(--color-text-light);transition:.3s;display:inline-block}
.art-tag:hover{border-color:var(--trek-orange);color:var(--trek-orange);background:rgba(239,108,0,.04)}
.art-share{display:flex;align-items:center;gap:10px}
.art-share-label{font-size:11px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--color-text-light)}
.art-share-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--color-bd);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--color-text-light);transition:.3s var(--ease-out-expo)}
.art-share-btn:hover{background:var(--trek-orange);border-color:var(--trek-orange);color:#fff;transform:translateY(-3px);box-shadow:0 6px 20px var(--trek-orange-glow)}

/* ── AUTHOR BOX ── */
.art-author-box{display:flex;gap:24px;padding:36px;background:var(--color-white);border:1px solid var(--color-bd);border-radius:var(--radius-xl);margin-top:40px}
.art-author-box img{width:72px;height:72px;border-radius:50%;object-fit:cover;border:3px solid rgba(239,108,0,.15);flex-shrink:0}
.art-author-box-info h4{font-family:var(--font-display);font-size:1.2rem;font-weight:400;margin-bottom:4px}
.art-author-box-info .role{font-size:.82rem;color:var(--trek-orange);font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:10px}
.art-author-box-info p{font-size:.9rem;color:var(--color-text-light);line-height:1.7}

/* ── SIDEBAR ── */
.art-sidebar{position:sticky;top:120px}
.sidebar-widget{background:var(--color-white);border:1px solid var(--color-bd);border-radius:var(--radius-xl);padding:32px;margin-bottom:28px}
.sidebar-widget-title{font-family:var(--font-display);font-size:1.15rem;font-weight:400;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--color-bd);display:flex;align-items:center;gap:8px}
.sidebar-widget-title i{color:var(--trek-orange);font-size:14px}

/* TOC */
.toc-widget-hidden{display:none}
.toc-list{display:flex;flex-direction:column;gap:4px}
.toc-item{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius-md);font-size:.88rem;color:var(--color-text-light);transition:.3s;cursor:pointer;text-decoration:none}
.toc-item:hover{background:rgba(239,108,0,.04);color:var(--trek-orange)}
.toc-item.active{background:rgba(239,108,0,.08);color:var(--trek-orange);font-weight:500}
.toc-item::before{content:'';width:6px;height:6px;border-radius:50%;border:2px solid var(--color-bd);flex-shrink:0;transition:.3s}
.toc-item.active::before,.toc-item:hover::before{border-color:var(--trek-orange);background:var(--trek-orange)}

/* Recent Posts */
.sidebar-post{display:flex;gap:14px;padding:12px 0;border-bottom:1px solid rgba(0,0,0,.04);transition:.3s}
.sidebar-post:last-child{border-bottom:none;padding-bottom:0}
.sidebar-post:hover{transform:translateX(4px)}
.sidebar-post-img{width:70px;height:56px;border-radius:var(--radius-md);overflow:hidden;flex-shrink:0}
.sidebar-post-img img{width:100%;height:100%;object-fit:cover}
.sidebar-post-info{display:flex;flex-direction:column;justify-content:center;gap:4px}
.sidebar-post-info h5{font-family:var(--font-display);font-size:.88rem;font-weight:400;line-height:1.3;transition:color .3s}
.sidebar-post:hover .sidebar-post-info h5{color:var(--trek-orange)}
.sidebar-post-info span{font-size:.75rem;color:var(--color-text-light)}

/* Categories */
.sidebar-cat{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid rgba(0,0,0,.04);font-size:.9rem;color:var(--color-text-light);transition:.3s;cursor:pointer}
.sidebar-cat:last-child{border-bottom:none}
.sidebar-cat:hover{color:var(--trek-orange)}
.sidebar-cat-count{width:28px;height:28px;border-radius:50%;background:var(--color-bg);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:var(--color-text-dark)}

/* CTA Widget */
.sidebar-cta{background:linear-gradient(135deg,var(--color-darker-bg),var(--color-dark-bg));border-color:transparent;color:#fff;text-align:center}
.sidebar-cta .sidebar-widget-title{color:#fff;border-bottom-color:rgba(255,255,255,.08);justify-content:center}
.sidebar-cta p{font-size:.9rem;color:rgba(255,255,255,.45);line-height:1.7;margin-bottom:20px}
.sidebar-cta-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;background:linear-gradient(135deg,var(--trek-orange),var(--trek-orange-light));color:#fff;font-size:11px;font-weight:700;letter-spacing:2px;text-transform:uppercase;border-radius:var(--radius-full);transition:.4s var(--ease-out-expo)}
.sidebar-cta-btn:hover{transform:translateY(-3px);box-shadow:0 8px 30px var(--trek-orange-glow)}

/* ── POST NAVIGATION ── */
.art-post-nav{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:60px;padding-top:40px;border-top:1px solid var(--color-bd)}
.post-nav-item{display:flex;flex-direction:column;gap:6px;padding:24px;border:1px solid var(--color-bd);border-radius:var(--radius-lg);background:var(--color-white);transition:.4s var(--ease-out-expo)}
.post-nav-item:hover{border-color:var(--trek-orange);transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.06)}
.post-nav-item.next{text-align:right}
.post-nav-dir{font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--trek-orange);display:flex;align-items:center;gap:6px}
.post-nav-item.next .post-nav-dir{justify-content:flex-end}
.post-nav-title{font-family:var(--font-display);font-size:1.05rem;font-weight:400;line-height:1.3;color:var(--color-text-dark);transition:color .3s}
.post-nav-item:hover .post-nav-title{color:var(--trek-orange)}
.post-nav-placeholder{visibility:hidden}

/* ── RELATED POSTS ── */
.art-related{max-width:1200px;margin:0 auto;padding:0 60px 120px}
.art-related-header{text-align:center;margin-bottom:50px}
.art-related-label{font-size:11px;font-weight:700;letter-spacing:4px;text-transform:uppercase;color:var(--trek-orange);margin-bottom:12px;display:flex;align-items:center;justify-content:center;gap:12px}
.art-related-label::before,.art-related-label::after{content:'';width:40px;height:1px;background:var(--trek-orange)}
.art-related-title{font-family:var(--font-display);font-size:clamp(1.8rem,3vw,2.6rem);font-weight:300}
.art-related-title em{font-style:italic;color:var(--trek-orange)}
.art-related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(300px,100%),1fr));gap:30px}
.r-card{display:block;border-radius:var(--radius-lg);overflow:hidden;background:var(--color-white);border:1px solid var(--color-bd);transition:.5s var(--ease-out-expo);cursor:pointer}
.r-card:hover{transform:translateY(-10px);box-shadow:0 24px 60px rgba(0,0,0,.1)}
.r-card-img{height:200px;overflow:hidden;position:relative}
.r-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease-out-expo)}
.r-card:hover .r-card-img img{transform:scale(1.1)}
.r-card-body{padding:24px}
.r-card-cat{font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--trek-orange);margin-bottom:8px}
.r-card-body h3{font-family:var(--font-display);font-size:1.15rem;font-weight:400;line-height:1.3;margin-bottom:10px;transition:color .3s}
.r-card:hover .r-card-body h3{color:var(--trek-orange)}
.r-card-body span{font-size:.8rem;color:var(--color-text-light)}

/* ── FOCUS STATES ── */
.toc-item:focus-visible{outline:2px solid var(--trek-orange);outline-offset:2px}
.art-tag:focus-visible{outline:2px solid var(--trek-orange);outline-offset:3px}
.art-share-btn:focus-visible{outline:2px solid var(--trek-orange);outline-offset:3px}
.sidebar-post:focus-visible{outline:2px solid var(--trek-orange);outline-offset:2px}
.sidebar-cat:focus-visible{outline:2px solid var(--trek-orange);outline-offset:2px}
.sidebar-cta-btn:focus-visible{outline:2px solid var(--trek-orange);outline-offset:3px}
.post-nav-item:focus-visible{outline:2px solid var(--trek-orange);outline-offset:3px}
.r-card:focus-visible{outline:2px solid var(--trek-orange);outline-offset:3px}

/* ── RESPONSIVE ── */
@media(max-width:1024px){
.art-hero-content{padding:0 30px 60px}
.art-layout{grid-template-columns:1fr;padding:60px 30px 80px}
.art-sidebar{position:relative;top:0;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.art-related{padding:0 30px 80px}
}
@media(max-width:768px){
.art-hero{min-height:55vh}
.art-hero-content{padding:0 20px 50px}
.art-hero-title{font-size:2rem}
.art-layout{padding:40px 20px 60px}
.art-sidebar{grid-template-columns:1fr}
.art-related{padding:0 20px 60px}
.art-related-grid{grid-template-columns:1fr}
.art-post-nav{grid-template-columns:1fr}
.art-author-box{flex-direction:column;text-align:center;align-items:center}
.art-tags-share{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
.art-hero{min-height:45vh}
.art-hero-content{padding:0 16px 40px}
.art-hero-title{font-size:1.8rem}
.art-layout{padding:30px 16px 40px;gap:40px}
.art-content blockquote{padding:24px 20px 24px 28px}
.art-related{padding:0 16px 40px}
.r-card-body{padding:20px}
.art-author-box{padding:24px}
.post-nav-item{padding:18px}
}