/*
Theme Name: chatN Blog
Theme URI: https://chatn.com.br/
Author: chatN
Description: Tema do blog do chatN — alinhado ao design da landing (chatn.com.br). Dark, verde WhatsApp, fonte system.
Version: 1.0
Text Domain: chatn-blog
*/

:root{
  --bg:#0b0f14; --bg2:#0d1117; --s1:#161b22; --s2:#1c2230; --b:#242c38;
  --tx:#e6edf3; --mt:#9aa6b2; --ac:#25d366; --ac2:#4ade80; --ac-dim:rgba(37,211,102,.12);
  --radius:16px; --maxw:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--tx);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:12px;font-weight:700;font-size:15px;cursor:pointer;transition:.2s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:var(--ac);color:#04210f;box-shadow:0 8px 28px -8px var(--ac)}
.btn-primary:hover{background:var(--ac2);transform:translateY(-2px)}
.btn-ghost{border-color:var(--b);color:var(--tx);background:transparent}
.btn-ghost:hover{border-color:var(--ac);color:var(--ac)}
.eyebrow{display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--ac);background:var(--ac-dim);padding:6px 14px;border-radius:30px;border:1px solid rgba(37,211,102,.25)}

/* NAV — idêntico à landing */
header.site-header{position:sticky;top:0;z-index:50;backdrop-filter:blur(12px);background:rgba(11,15,20,.78);border-bottom:1px solid var(--b)}
.nav{display:flex;align-items:center;gap:24px;height:66px;position:relative}
.logo{font-size:22px;font-weight:800;letter-spacing:-.02em;margin-right:auto}
.logo b{color:var(--ac)}
.logo .sub{font-size:13px;font-weight:600;color:var(--mt);margin-left:8px;letter-spacing:0}
.nav-sections{display:flex;align-items:center;gap:28px;font-size:14.5px;color:var(--mt);font-weight:600}
.nav-sections a:hover{color:var(--tx)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle-cb{display:none}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:24px;height:2px;background:var(--tx);transition:.25s}

/* PAGE HEAD */
.page-head{text-align:center;max-width:760px;margin:0 auto;padding:72px 24px 18px}
.page-head h1{font-size:clamp(32px,5.5vw,52px);line-height:1.1;font-weight:800;letter-spacing:-.025em;margin-top:18px}
.page-head h1 .hl{background:linear-gradient(120deg,var(--ac),var(--ac2));-webkit-background-clip:text;background-clip:text;color:transparent}
.page-head p{font-size:clamp(16px,2.2vw,19px);color:var(--mt);margin-top:18px}

/* GRID DE POSTS — cards estilo .feat */
.posts{padding:34px 0 70px}
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:20px}
.card{background:linear-gradient(180deg,var(--s1),var(--bg2));border:1px solid var(--b);border-radius:var(--radius);overflow:hidden;transition:.22s;display:flex;flex-direction:column}
.card:hover{border-color:rgba(37,211,102,.45);transform:translateY(-3px)}
.card .thumb{aspect-ratio:16/9;background:var(--s2);overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb.empty{display:flex;align-items:center;justify-content:center;font-size:34px;color:rgba(37,211,102,.5);background:var(--ac-dim)}
.card .body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.card .meta{font-size:12.5px;color:var(--mt);font-weight:600;display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.card .cat{color:var(--ac);text-transform:uppercase;letter-spacing:.06em;font-size:11px;font-weight:800}
.card h2{font-size:20px;line-height:1.25;margin:12px 0 10px;font-weight:700;letter-spacing:-.01em}
.card h2 a:hover{color:var(--ac)}
.card .excerpt{color:var(--mt);font-size:14.5px;flex:1}
.card .more{margin-top:18px;color:var(--ac);font-weight:700;font-size:14.5px}

/* POST ÚNICO */
.single{padding:18px 0 70px}
.single .article{max-width:760px;margin:0 auto}
.single .cover{border-radius:var(--radius);overflow:hidden;border:1px solid var(--b);margin:24px 0}
.single .post-meta{font-size:13px;color:var(--mt);font-weight:600;display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}
.content{font-size:17px;line-height:1.8;color:#cdd7e1}
.content h2{font-size:28px;font-weight:800;letter-spacing:-.02em;margin:36px 0 14px;color:var(--tx)}
.content h3{font-size:22px;font-weight:700;margin:28px 0 10px;color:var(--tx)}
.content p{margin:0 0 18px}
.content a{color:var(--ac);text-decoration:underline;text-underline-offset:3px}
.content ul,.content ol{margin:0 0 18px 22px}
.content li{margin:6px 0}
.content blockquote{border-left:3px solid var(--ac);background:var(--s1);padding:14px 20px;border-radius:0 12px 12px 0;margin:0 0 18px;color:var(--mt)}
.content img{border-radius:12px;border:1px solid var(--b);margin:18px 0}
.content code{background:var(--s1);border:1px solid var(--b);border-radius:6px;padding:2px 6px;font-size:14px}
.content pre{background:var(--s1);border:1px solid var(--b);border-radius:12px;padding:18px;overflow:auto;margin:0 0 18px}

/* PAGINAÇÃO */
.pager{display:flex;justify-content:center;gap:12px;margin-top:44px}
.pager a,.pager span{padding:10px 16px;border:1px solid var(--b);border-radius:10px;font-weight:700;font-size:14px;color:var(--mt)}
.pager a:hover{border-color:var(--ac);color:var(--ac)}
.pager .current{background:var(--ac-dim);border-color:rgba(37,211,102,.4);color:var(--ac)}

/* CTA FINAL */
.cta{padding:0 0 80px}
.cta-box{background:linear-gradient(180deg,var(--s1),var(--bg2));border:1px solid var(--b);border-radius:24px;text-align:center;padding:54px 24px;max-width:760px;margin:0 auto}
.cta-box h2{font-size:clamp(24px,4vw,34px);font-weight:800;letter-spacing:-.02em}
.cta-box p{color:var(--mt);font-size:17px;margin:14px auto 26px;max-width:480px}

/* FOOTER — idêntico à landing */
footer.site-footer{border-top:1px solid var(--b);padding:40px 0;color:var(--mt);font-size:14px}
.foot{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.foot .logo{font-size:18px}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-links a:hover{color:var(--tx)}

.empty-state{text-align:center;color:var(--mt);padding:60px 24px}

@media(max-width:820px){
  .hamburger{display:flex}
  .nav{gap:14px}
  .nav-sections{position:absolute;top:66px;left:-24px;right:-24px;flex-direction:column;align-items:stretch;gap:0;background:var(--bg2);border-bottom:1px solid var(--b);padding:0 24px;display:none}
  .nav-toggle-cb:checked ~ .nav-sections{display:flex}
  .nav-sections a{padding:13px 2px;border-bottom:1px solid var(--b);font-size:15px}
  .nav-sections a:last-child{border-bottom:none}
  .foot{flex-direction:column;text-align:center}
}