/* ============================================================
   ACADEMY — CSS COMPARTILHADO
   Estilos para hub (listing) e posts individuais
   ============================================================ */

/* ============================================================
   HUB — HERO
   ============================================================ */
.aca-hero{padding:calc(64px + var(--section-py)) 0 48px;text-align:center;background:#ffffff;position:relative;overflow:hidden;}
.aca-hero::before{content:'';position:absolute;top:40px;left:50%;transform:translateX(-50%);width:1000px;height:600px;background:radial-gradient(ellipse,rgba(37,99,235,0.04) 0%,transparent 70%);pointer-events:none;}
.aca-hero .label{display:block;margin-bottom:12px;position:relative;z-index:2;}
.aca-hero h1{font-size:clamp(34px,4.8vw,52px);font-weight:800;letter-spacing:-2px;line-height:1.12;color:var(--navy);max-width:800px;margin:0 auto 16px;position:relative;z-index:2;}
.aca-hero p{font-size:17.5px;line-height:1.7;color:var(--text-secondary);max-width:560px;margin:0 auto;position:relative;z-index:2;}

/* Category pills */
.aca-cats{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:28px;position:relative;z-index:2;}
.aca-cat{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--r-pill);font-size:13px;font-weight:600;background:var(--surface-alt);color:var(--text-secondary);border:1px solid var(--border);cursor:pointer;transition:all 0.2s;text-decoration:none;}
.aca-cat:hover,.aca-cat.active{background:var(--accent-bg);color:var(--accent);border-color:var(--accent-border);}
.aca-cat svg{width:16px;height:16px;flex-shrink:0;}

/* ============================================================
   HUB — FILTER BAR
   ============================================================ */
.aca-filter{padding:24px 0;background:var(--bg);border-top:1px solid var(--border-light);border-bottom:1px solid var(--border-light);position:sticky;top:80px;z-index:50;}
.aca-filter-inner{max-width:var(--max-w);margin:0 auto;padding:0 var(--pad);display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.aca-filter-count{font-family:'Outfit',sans-serif;font-size:14px;font-weight:700;color:var(--navy);white-space:nowrap;}
.aca-filter-count span{color:var(--accent);}
.aca-search{flex:1;min-width:200px;max-width:360px;position:relative;}
.aca-search input{width:100%;padding:10px 16px 10px 40px;border:1.5px solid var(--border);border-radius:var(--r);font-family:'Source Sans 3',sans-serif;font-size:14px;color:var(--text-primary);background:var(--white);transition:all 0.2s;outline:none;}
.aca-search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,99,235,0.1);}
.aca-search input::placeholder{color:var(--text-tertiary);}
.aca-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-tertiary);pointer-events:none;}
.aca-select{padding:10px 36px 10px 16px;border:1.5px solid var(--border);border-radius:var(--r);font-family:'Source Sans 3',sans-serif;font-size:14px;color:var(--text-primary);background:var(--white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238893a7' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;-webkit-appearance:none;appearance:none;cursor:pointer;transition:all 0.2s;outline:none;}
.aca-select:focus{border-color:var(--accent);}

/* ============================================================
   HUB — POST CARD GRID
   ============================================================ */
.aca-grid-section{padding:var(--section-py) 0;background:var(--bg);}
.aca-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:var(--max-w);margin:0 auto;padding:0 var(--pad);}
.aca-empty{grid-column:1/-1;text-align:center;padding:64px 0;color:var(--text-tertiary);font-size:16px;}

/* Post card */
.aca-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;transition:all 0.3s;text-decoration:none;display:flex;flex-direction:column;}
.aca-card:hover{border-color:var(--accent-border);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.aca-card-img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:var(--surface-alt);}
.aca-card-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.aca-card-cat{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);margin-bottom:10px;}
.aca-card-title{font-family:'Outfit',sans-serif;font-size:18px;font-weight:700;color:var(--navy);line-height:1.3;letter-spacing:-0.3px;margin-bottom:10px;}
.aca-card-desc{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:16px;flex:1;}
.aca-card-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-tertiary);margin-top:auto;padding-top:16px;border-top:1px solid var(--border-light);}
.aca-card-meta svg{width:14px;height:14px;flex-shrink:0;}
.aca-card-meta span{display:flex;align-items:center;gap:4px;}

/* Featured card (first/hero card) */
.aca-card--featured{grid-column:1/-1;display:grid;grid-template-columns:1.2fr 1fr;border-radius:var(--r-lg);}
.aca-card--featured .aca-card-img{aspect-ratio:auto;height:100%;min-height:280px;}
.aca-card--featured .aca-card-body{padding:32px;justify-content:center;}
.aca-card--featured .aca-card-title{font-size:24px;letter-spacing:-0.5px;}
.aca-card--featured .aca-card-desc{font-size:15px;}

/* ============================================================
   POST — ARTICLE LAYOUT
   ============================================================ */
.post-header{padding:calc(64px + 48px) 0 0;background:#ffffff;text-align:center;}
.post-header-inner{max-width:var(--max-w);margin:0 auto;padding:0 var(--pad);}
.post-cat-link{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);text-decoration:none;margin-bottom:16px;transition:opacity 0.2s;}
.post-cat-link:hover{opacity:0.7;}
.post-header h1{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-1.5px;line-height:1.15;color:var(--navy);max-width:780px;margin:0 auto 16px;}
.post-meta{display:flex;align-items:center;justify-content:center;gap:16px;font-size:13px;color:var(--text-tertiary);margin-bottom:32px;}
.post-meta svg{width:14px;height:14px;}
.post-meta span{display:flex;align-items:center;gap:4px;}
.post-hero-img{width:100%;max-width:900px;margin:0 auto;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:21/9;background:var(--surface-alt);}
.post-hero-img img{width:100%;height:100%;object-fit:cover;display:block;}

/* Article body */
.post-body{max-width:900px;margin:0 auto;padding:48px var(--pad) var(--section-py);}
.post-body h2{font-family:'Outfit',sans-serif;font-size:clamp(22px,3vw,28px);font-weight:700;color:var(--navy);letter-spacing:-0.5px;margin:48px 0 16px;line-height:1.2;}
.post-body h3{font-family:'Outfit',sans-serif;font-size:clamp(18px,2.5vw,22px);font-weight:700;color:var(--navy);letter-spacing:-0.3px;margin:36px 0 12px;line-height:1.25;}
.post-body p{font-size:16px;color:var(--text-secondary);line-height:1.8;margin-bottom:20px;}
.post-body ul,.post-body ol{margin:0 0 20px 24px;font-size:16px;color:var(--text-secondary);line-height:1.8;}
.post-body li{margin-bottom:8px;}
.post-body strong{color:var(--text-primary);font-weight:600;}
.post-body a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;transition:opacity 0.2s;}
.post-body a:hover{opacity:0.7;}

/* Key takeaways box */
.key-takeaways{background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:var(--r-lg);padding:28px 32px;margin:0 0 40px;}
.key-takeaways-title{font-family:'Outfit',sans-serif;font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.key-takeaways-title svg{width:18px;height:18px;}
.key-takeaways ul{list-style:none;margin:0;padding:0;}
.key-takeaways li{font-size:15px;color:var(--text-primary);line-height:1.6;padding:6px 0 6px 30px;position:relative;}
.key-takeaways li::before{content:'';position:absolute;left:0;top:8px;width:20px;height:20px;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%232563eb' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") no-repeat center/contain;}
.key-takeaways a{color:var(--text-primary);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:2px;}

/* Comparison table */
.post-body table{width:100%;border-collapse:collapse;margin:24px 0 32px;border:1px solid var(--border);border-radius:var(--r);overflow:hidden;font-size:14px;}
.post-body thead{background:var(--navy);}
.post-body th{font-family:'Outfit',sans-serif;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-inverse);padding:14px 18px;text-align:left;}
.post-body td{padding:14px 18px;border-bottom:1px solid var(--border-light);color:var(--text-secondary);line-height:1.5;}
.post-body tr:last-child td{border-bottom:none;}
.post-body tbody tr:hover{background:var(--bg);}

/* Callout box */
.post-callout{background:var(--green-bg);border:1px solid var(--green-border);border-radius:var(--r);padding:20px 24px;margin:24px 0;font-size:15px;color:var(--text-secondary);line-height:1.65;display:flex;align-items:flex-start;gap:12px;}
.post-callout strong{color:var(--green);font-weight:700;}
.post-callout span{font-size:20px;flex-shrink:0;}

/* ============================================================
   POST — FAQ
   ============================================================ */
.post-faq{padding:0 0 var(--section-py);background:var(--white);}
.post-faq-inner{max-width:900px;margin:0 auto;padding:0 var(--pad);}
.post-faq h2{font-family:'Outfit',sans-serif;font-size:clamp(22px,3vw,28px);font-weight:700;color:var(--navy);letter-spacing:-0.5px;margin-bottom:24px;}

/* ============================================================
   POST — RELATED POSTS
   ============================================================ */
.related-section{padding:var(--section-py) 0;background:var(--bg);border-top:1px solid var(--border-light);}
.related-inner{max-width:var(--max-w);margin:0 auto;padding:0 var(--pad);}
.related-inner h2{font-family:'Outfit',sans-serif;font-size:24px;font-weight:700;color:var(--navy);letter-spacing:-0.5px;margin-bottom:32px;text-align:center;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}

/* ============================================================
   POST — CTA FINAL
   ============================================================ */
.post-cta{background:var(--navy);padding:var(--section-py) 0;text-align:center;}
.post-cta h2{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-1.5px;line-height:1.12;color:var(--text-inverse);margin-bottom:12px;}
.post-cta p{font-size:17px;color:#9aa8bd;line-height:1.7;max-width:500px;margin:0 auto 28px;}
.post-cta .btn-accent{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:16px 32px;border-radius:12px;font-family:'Source Sans 3',sans-serif;font-size:15px;font-weight:700;transition:all 0.2s;border:none;cursor:pointer;text-decoration:none;}
.post-cta .btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 20px rgba(37,99,235,0.35);}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:900px){
  .aca-grid{grid-template-columns:repeat(2,1fr);}
  .aca-card--featured{display:flex;flex-direction:column;grid-template-columns:none;}.aca-card--featured .aca-card-img{min-height:auto;height:auto;aspect-ratio:16/9;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .aca-filter-inner{gap:12px;}
}
@media(max-width:600px){
  .aca-hero h1{font-size:28px;letter-spacing:-0.7px;}
  .aca-hero p{font-size:14.5px;}
  .aca-grid{grid-template-columns:1fr;}
  .aca-card--featured{display:flex;flex-direction:column;grid-template-columns:none;}
  .aca-card--featured .aca-card-img{min-height:auto;height:auto;aspect-ratio:16/9;}
  .aca-card--featured .aca-card-title{font-size:20px;}
  .aca-filter{top:80px;}
  .aca-filter-inner{flex-direction:column;align-items:stretch;}
  .aca-search{max-width:100%;}
  .related-grid{grid-template-columns:1fr;}
  .post-header h1{font-size:24px;letter-spacing:-0.5px;}
  .post-hero-img{border-radius:var(--r-lg);aspect-ratio:16/9;margin-left:var(--pad);margin-right:var(--pad);width:calc(100% - var(--pad)*2);max-width:none;}
  .post-body{padding:32px var(--pad) 48px;}
  .post-body h2{font-size:20px;margin-top:32px;}
  .key-takeaways{padding:20px 22px;}
  .post-body table{font-size:12.5px;}
  .post-body th,.post-body td{padding:10px 12px;}
}