/*
Theme Name: BioAuto Blog
Theme URI: https://bioauto.com.br
Author: BioAuto
Author URI: https://bioauto.com.br
Description: Tema do blog da BioAuto, com a mesma identidade visual do site principal (tema escuro, dourado, fontes Poppins e Inter).
Version: 1.1
Requires at least: 6.0
Tested up to: 7.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
Text Domain: bioauto-blog
*/

:root{
  --dark:#0F1012;--dark-2:#17181C;--dark-3:#1e2026;--line:rgba(255,255,255,.09);
  --text:#c9cbd1;--text-soft:#9a9da6;--white:#fff;
  --gold:#B0863F;--gold-bright:#E3C078;--gold-mid:#C79E4E;--gold-deep:#C9A24E;--gold-ink:#33280d;
  --wa:#25D366;--maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--dark);color:var(--text);font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold-bright);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-family:"Poppins",system-ui,sans-serif;font-weight:600;line-height:1.15;letter-spacing:-.01em;color:var(--white);margin:0 0 .4em}

/* Botões */
.btn{display:inline-flex;align-items:center;gap:9px;cursor:pointer;border:none;font-family:inherit;font-size:15px;font-weight:600;padding:13px 20px;border-radius:11px;transition:transform .15s,box-shadow .2s,filter .2s;white-space:nowrap;text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-gold{color:var(--gold-ink);background:linear-gradient(180deg,#F0D28C 0%,#E3C078 20%,#CBA153 50%,#B98F3E 62%,#A97E32 100%);border:1px solid rgba(90,60,10,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.85),inset 0 -3px 5px rgba(90,60,10,.28),0 8px 20px rgba(150,110,45,.32)}
.btn-gold:hover{filter:brightness(1.03);text-decoration:none}
.btn-gold svg{width:18px;height:18px;fill:var(--gold-ink)}
.btn-ghost{background:transparent;color:var(--gold-bright);border:1.5px solid var(--gold);font-weight:600}
.btn-ghost:hover{background:rgba(199,158,78,.12);text-decoration:none}

/* Cabeçalho */
.site-header{position:sticky;top:0;z-index:40;background:rgba(15,16,18,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;height:34px}
.brand img{height:34px;width:auto;filter:brightness(0) invert(1) opacity(.95)}
.brand .fallback{font-family:"Poppins",sans-serif;font-weight:600;font-size:22px;color:var(--white)}
.brand .fallback b{color:var(--gold-bright)}
.nav-links{display:flex;gap:32px;list-style:none;margin:0;padding:0}
.nav-links a{font-size:15px;font-weight:500;color:var(--text);position:relative;padding:4px 0;text-decoration:none}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .2s}
.nav-links a:hover{color:var(--gold-bright)}.nav-links a:hover::after{width:100%}
.nav-right{display:flex;align-items:center;gap:16px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;color:var(--white)}
.nav-toggle svg{width:26px;height:26px}

/* Faixa de título do blog */
.blog-hero{position:relative;overflow:hidden;background:var(--dark);padding:64px 0 56px;text-align:center;border-bottom:1px solid var(--line)}
.blog-hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:24px 24px;-webkit-mask-image:radial-gradient(90% 90% at 50% 40%,#000 20%,transparent 78%);mask-image:radial-gradient(90% 90% at 50% 40%,#000 20%,transparent 78%)}
.blog-hero::after{content:"";position:absolute;z-index:0;pointer-events:none;top:-30%;left:50%;transform:translateX(-50%);width:640px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(199,158,78,.16),transparent 68%);filter:blur(30px)}
.blog-hero .container{position:relative;z-index:1}
.blog-hero .eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-bright)}
.blog-hero h1{color:var(--white);font-size:clamp(2rem,4vw,2.8rem);margin:14px 0 0}
.blog-hero p{color:var(--text-soft);max-width:34em;margin:14px auto 0;font-size:16.5px}

/* Conteúdo */
.main{padding:56px 0 72px}
.layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}

/* Lista de posts */
.post-list{display:flex;flex-direction:column;gap:34px}
.post-card{background:var(--dark-2);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:transform .18s,border-color .2s,box-shadow .2s}
.post-card:hover{transform:translateY(-3px);border-color:rgba(199,158,78,.4);box-shadow:0 18px 34px -22px rgba(0,0,0,.7)}
.post-card .thumb{aspect-ratio:16/9;background:var(--dark-3);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:24px 26px 28px}
.post-card .meta{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-bright);font-weight:600}
.post-card h2{font-size:1.55rem;margin:10px 0 0}
.post-card h2 a{color:var(--white);text-decoration:none}
.post-card h2 a:hover{color:var(--gold-bright)}
.post-card .excerpt{color:var(--text-soft);font-size:15.5px;margin:12px 0 18px}
.readmore{display:inline-flex;align-items:center;gap:7px;font-weight:600;color:var(--gold-bright);font-size:14.5px}
.readmore:hover{text-decoration:none;gap:11px}

/* Artigo único */
.article{background:var(--dark-2);border:1px solid var(--line);border-radius:16px;padding:40px 44px;max-width:820px;margin:0 auto}
.article .meta{font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--gold-bright);font-weight:600}
.article h1{font-size:clamp(1.9rem,3.6vw,2.6rem);margin:12px 0 18px;color:var(--white)}
.article .featured{border-radius:12px;overflow:hidden;margin:0 0 28px;border:1px solid var(--line)}
.article-content{font-size:17px;line-height:1.8;color:var(--text)}
.article-content p{margin:0 0 1.2em}
.article-content h2,.article-content h3{color:var(--white)}
.article-content h2{font-size:1.6rem;margin:1.6em 0 .5em}
.article-content h3{font-size:1.3rem;margin:1.4em 0 .5em}
.article-content a{color:var(--gold-bright);text-decoration:underline}
.article-content img{border-radius:10px;margin:1.4em 0}
.article-content blockquote{border-left:3px solid var(--gold);margin:1.4em 0;padding:.4em 0 .4em 20px;color:var(--text-soft);font-style:italic}
.article-content ul,.article-content ol{padding-left:1.3em;margin:0 0 1.2em}
.article-content li{margin:.4em 0}
.article-content code{background:var(--dark-3);padding:2px 6px;border-radius:5px;font-size:.92em;color:var(--gold-bright)}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-bottom:26px;font-size:14.5px;font-weight:600;color:var(--gold-bright)}

/* Sidebar */
.sidebar .widget{background:var(--dark-2);border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:24px}
.sidebar .widget h3{font-family:"Inter",sans-serif;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-soft);margin:0 0 14px}
.sidebar ul{list-style:none;margin:0;padding:0}
.sidebar li{margin:0 0 10px}
.sidebar a{color:var(--text);text-decoration:none;font-size:15px}
.sidebar a:hover{color:var(--gold-bright)}
.cta-box{background:linear-gradient(160deg,#1c1e24,#141519);border:1px solid var(--line);border-radius:14px;padding:26px}
.cta-box h3{color:var(--white);font-family:"Poppins",sans-serif;font-size:1.25rem;letter-spacing:0;margin:0 0 8px}
.cta-box p{color:var(--text-soft);font-size:14.5px;margin:0 0 16px}
.sidebar a.btn-gold,.cta-box .btn-gold{color:var(--gold-ink)}

/* Paginação */
.pagination{margin:48px 0 0;display:flex;justify-content:center}
.pagination .nav-links{display:flex;gap:8px;flex-wrap:wrap}
.pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--dark-2);color:var(--text);text-decoration:none;font-weight:600}
.pagination .page-numbers.current{background:var(--gold);color:var(--gold-ink);border-color:var(--gold)}
.pagination .page-numbers:hover{border-color:var(--gold);text-decoration:none;color:var(--gold-bright)}

/* Rodapé */
.site-footer{background:#0b0c0e;color:var(--text-soft);padding:52px 0 26px;margin-top:20px;border-top:1px solid var(--line)}
.foot-brand img{height:34px;filter:brightness(0) invert(1) opacity(.92)}
.foot-brand .fallback{font-family:"Poppins",sans-serif;font-size:22px;color:var(--white)}
.foot-brand .fallback b{color:var(--gold-bright)}
.foot-brand p{margin:16px 0 18px;font-size:14.5px;line-height:1.6;color:var(--text-soft);max-width:32em}
.foot-brand .ig{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text)}
.foot-brand .ig svg{width:20px;height:20px;fill:var(--gold-bright);stroke:var(--gold-bright)}
.foot-col h4{font-family:"Inter",sans-serif;font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-bright);margin:0 0 16px}
.foot-col a{display:block;font-size:14.5px;color:var(--text-soft);margin-bottom:11px;text-decoration:none}
.foot-col a:hover{color:var(--white)}
.foot-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;font-size:13px;color:#7d808a}

/* WhatsApp flutuante (dourado, igual ao site) */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:58px;height:58px;border-radius:50%;background:linear-gradient(180deg,#F0D28C 0%,#E3C078 22%,#CBA153 55%,#A97E32 100%);border:1px solid rgba(90,60,10,.35);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 26px -6px rgba(150,110,45,.55);transition:transform .18s}
.wa-float:hover{transform:scale(1.06)}.wa-float svg{width:32px;height:32px;fill:#33280d}

@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:680px){
  .nav-links{position:fixed;inset:72px 0 auto 0;background:var(--dark);flex-direction:column;gap:0;padding:8px 24px 20px;border-bottom:1px solid var(--line);transform:translateY(-140%);transition:transform .28s}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-toggle{display:block}
  .article{padding:28px 22px}
  .foot-bottom{flex-direction:column;gap:8px;text-align:center}
}