/*
Theme Name: CodeUP Blog
Theme URI: https://codeup.dev.br/blog
Author: CodeUP
Description: Tema do Blog CodeUP (empreendedorismo e IA). Header escuro + corpo claro, estrutura editorial inspirada em portais de grande volume. EPIC-BLOG-2.
Version: 1.0.0
*/

:root{
  --bg:#f5f6f8; --surface:#ffffff; --ink:#12161f; --text:#363b44; --muted:#737a86;
  --line:#e6e8ec; --gold:#FFB800; --gold-ink:#9a6f00; --dark:#0e121c; --dark2:#0b1120;
  --shadow:0 6px 24px rgba(18,22,31,.07);
  --display:'Barlow Condensed',system-ui,sans-serif; --body:'Plus Jakarta Sans',system-ui,sans-serif;
  --wrap:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-ink);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:var(--display);color:var(--ink);line-height:1.12;margin:0 0 .4em;font-weight:800;letter-spacing:-.01em}
.cu-wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ── Header (escuro, espelha o apex) ── */
.cu-hd{position:sticky;top:0;z-index:1000;background:rgba(14,18,28,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.cu-hd__in{max-width:var(--wrap);margin:0 auto;padding:0 24px;height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.cu-brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.cu-brand__w{font-family:var(--display);font-weight:900;font-size:26px;text-transform:uppercase;letter-spacing:-.02em;color:#fff;line-height:1}
.cu-brand__w b{color:var(--gold)}
.cu-nav{display:flex;align-items:center;gap:26px}
.cu-nav a{color:rgba(255,255,255,.72);font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;text-decoration:none}
.cu-nav a:hover,.cu-nav a.is-active{color:var(--gold)}
.cu-cta{display:inline-flex;align-items:center;gap:6px;padding:9px 20px;border-radius:999px;font-weight:700;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:#000!important;background:linear-gradient(180deg,#ffc21f,#f59e0b);text-decoration:none!important}
.cu-burger{display:none;background:none;border:0;color:#fff;cursor:pointer}
@media(max-width:900px){.cu-nav,.cu-cta{display:none}.cu-burger{display:block}}

/* ── Hero / carrossel ── */
.cu-hero{position:relative;background:var(--dark)}
.cu-slides{position:relative;max-width:1320px;margin:0 auto}
.cu-slide{position:relative;display:none;min-height:420px}
.cu-slide.is-on{display:block}
.cu-slide__bg{position:absolute;inset:0;background-size:cover;background-position:center}
.cu-slide__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,14,24,.92) 0%,rgba(10,14,24,.72) 45%,rgba(10,14,24,.28) 100%)}
.cu-slide__c{position:relative;max-width:var(--wrap);margin:0 auto;padding:88px 24px;display:flex;align-items:center;min-height:420px}
.cu-slide__box{max-width:560px}
.cu-tag{display:inline-block;font-family:var(--body);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--dark);background:var(--gold);padding:5px 12px;border-radius:999px}
.cu-slide__t{font-size:42px;color:#fff;margin:16px 0 12px;line-height:1.05}
.cu-slide__x{color:rgba(255,255,255,.82);font-size:17px;margin-bottom:22px}
.cu-btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(180deg,#ffc21f,#f59e0b);color:#000;font-weight:700;padding:12px 24px;border-radius:999px;text-decoration:none!important}
.cu-dots{position:absolute;bottom:18px;left:0;right:0;display:flex;gap:8px;justify-content:center;z-index:3}
.cu-dots button{width:9px;height:9px;border-radius:50%;border:0;background:rgba(255,255,255,.4);cursor:pointer;padding:0}
.cu-dots button.is-on{background:var(--gold);width:22px;border-radius:6px}
@media(max-width:700px){.cu-slide__t{font-size:30px}.cu-slide__c{padding:56px 24px;min-height:340px}.cu-slide,.cu-slide__c{min-height:340px}}

/* ── Seções + grid de cards ── */
.cu-sec{padding:56px 0}
.cu-sec__h{display:flex;align-items:center;gap:14px;margin-bottom:28px}
.cu-sec__h h2{font-size:30px;margin:0}
.cu-sec__h::after{content:"";flex:1;height:1px;background:var(--line)}
.cu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
@media(max-width:900px){.cu-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cu-grid{grid-template-columns:1fr}}
.cu-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.cu-card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(18,22,31,.12)}
.cu-card a{text-decoration:none;color:inherit;display:block}
.cu-card__img{aspect-ratio:16/9;background:#1a2030 var(--ph) center/cover;display:block}
.cu-card__b{padding:18px 20px 22px}
.cu-card__cat{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-ink)}
.cu-card__t{font-family:var(--display);font-weight:800;font-size:21px;color:var(--ink);line-height:1.15;margin:8px 0 8px}
.cu-card__x{font-size:14.5px;color:var(--muted);line-height:1.55}
.cu-card__m{font-size:12px;color:var(--muted);margin-top:12px}

/* ── Artigo (single) ── */
.cu-article{padding:40px 0 64px}
.cu-bc{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:14px}
.cu-bc a{color:var(--gold-ink)}
.cu-art__t{font-size:40px;line-height:1.08;max-width:820px;margin:0 0 14px}
.cu-art__meta{display:flex;gap:14px;align-items:center;color:var(--muted);font-size:13.5px;margin-bottom:24px}
.cu-art__cover{border-radius:18px;overflow:hidden;margin:0 0 32px;box-shadow:var(--shadow)}
.cu-art__cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cu-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
@media(max-width:980px){.cu-layout{grid-template-columns:1fr}}
.cu-content{max-width:760px;font-size:18px;line-height:1.75;color:#2f343c}
.cu-content p{margin:0 0 1.2em}
.cu-content h2{font-size:27px;margin:1.8em 0 .5em}
.cu-content h3{font-size:20px;font-family:var(--body);font-weight:700;color:var(--ink);margin:1.5em 0 .4em}
.cu-content ul{margin:0 0 1.3em;padding-left:1.2em}
.cu-content li{margin:.4em 0}
.cu-content a{color:var(--gold-ink);text-decoration:underline}
.cu-content strong{color:var(--ink)}

/* ── Sidebar banners ── */
.cu-side{position:sticky;top:88px;display:flex;flex-direction:column;gap:18px}
.cu-side__h{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-family:var(--body);font-weight:700;margin:0 0 2px}
.cu-bn{display:block;border-radius:14px;overflow:hidden;text-decoration:none!important;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);transition:transform .2s,border-color .2s}
.cu-bn:hover{transform:translateY(-3px);border-color:var(--gold)}
.cu-bn__top{display:block;height:188px;background-size:cover;background-position:center;background-color:#0b1120}
.cu-bn__b{padding:14px 16px 16px}
.cu-bn__tag{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--gold-ink)}
.cu-bn__t{font-family:var(--display);font-weight:800;font-size:18px;color:var(--ink);line-height:1.15;margin:5px 0 8px}
.cu-bn__cta{font-size:12px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:6px}

/* ── Rótulo de autor (E-E-A-T) ── */
.cu-author{display:flex;gap:22px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px;margin-top:44px;box-shadow:var(--shadow)}
.cu-author__ph{width:88px;height:88px;border-radius:50%;object-fit:cover;flex-shrink:0;border:3px solid var(--gold)}
.cu-author__k{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-weight:700}
.cu-author__n{font-family:var(--display);font-size:25px;color:var(--ink);margin:3px 0 10px}
.cu-author__bio{font-size:15px;color:var(--text);margin:0 0 16px;line-height:1.6}
.cu-author__links{display:flex;gap:10px;flex-wrap:wrap}
.cu-author__lk,.cu-author__ig{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;padding:9px 18px;border-radius:999px;text-decoration:none!important;color:#fff!important}
.cu-author__lk{background:#0a66c2}
.cu-author__ig{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)}
.cu-author__lk:hover,.cu-author__ig:hover{filter:brightness(1.08)}
@media(max-width:560px){.cu-author{flex-direction:column;text-align:left}}

/* ── Leia também ── */
.cu-rel{margin-top:56px;border-top:1px solid var(--line);padding-top:32px}
.cu-rel>h2{font-size:24px;margin-bottom:22px}

/* ── Footer ── */
.cu-ft{background:var(--dark);color:rgba(255,255,255,.66);margin-top:40px}
.cu-ft__in{max-width:var(--wrap);margin:0 auto;padding:48px 24px 36px;display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}
.cu-ft__w{font-family:var(--display);font-weight:900;font-size:24px;color:#fff;text-transform:uppercase}
.cu-ft__w b{color:var(--gold)}
.cu-ft p{font-size:14px;max-width:320px;margin:10px 0 0}
.cu-ft__col h4{color:#fff;font-family:var(--body);font-size:13px;text-transform:uppercase;letter-spacing:.1em;margin:0 0 12px}
.cu-ft__col a{display:block;color:rgba(255,255,255,.6);font-size:14px;margin:7px 0;text-decoration:none}
.cu-ft__col a:hover{color:var(--gold)}
.cu-ft__bot{border-top:1px solid rgba(255,255,255,.08);text-align:center;font-size:12.5px;color:rgba(255,255,255,.4);padding:18px}

/* listas/arquivo */
.cu-archive{padding:40px 0 64px}
.cu-archive__h{font-size:34px;margin-bottom:8px}
.cu-archive__sub{color:var(--muted);margin-bottom:32px}