/* Blog do Consultor-IA — estilos compartilhados (índice + artigos). Casa com public/home.html. */
:root{
  color-scheme:dark;
  --ink:#0B0711; --ink-2:#120C1D; --ink-3:#180F27;
  --prata:#ECE9F3; --prata-2:#B6AEC8; --prata-3:#867D9A;
  --lume:#A385FF; --lume-2:#C9B6FF;
  --ok:#46D39A;
  --line:rgba(236,233,243,.10); --line-2:rgba(236,233,243,.05);
  --glow:rgba(120,74,255,.26);
  --f-display:"Fraunces",Georgia,serif;
  --f-body:"Hanken Grotesk",system-ui,-apple-system,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;
  --maxw:1180px; --pad:clamp(1.25rem,5vw,3.5rem);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--prata);font-family:var(--f-body);font-size:clamp(1rem,.96rem + .2vw,1.075rem);line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(72% 46% at 50% -6%,rgba(120,74,255,.10),transparent 60%),
    radial-gradient(38% 40% at 86% 16%,rgba(75,0,130,.12),transparent 70%),
    radial-gradient(46% 46% at 8% 92%,rgba(75,0,130,.08),transparent 72%)}
a{color:inherit;text-decoration:none}
::selection{background:var(--lume);color:#0b0711}
:focus-visible{outline:2px solid var(--lume);outline-offset:3px;border-radius:3px}
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--pad)}
b,strong{font-weight:600;color:var(--prata)}

/* Nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,7,17,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px}
.brand{display:flex;align-items:center;gap:.55rem;flex-shrink:0}
.brand img{height:30px;width:auto;filter:drop-shadow(0 0 10px var(--glow))}
.brand .wordmark{font-family:var(--f-body);font-weight:600;font-size:1.08rem;color:var(--prata);white-space:nowrap}
.brand .hy{color:var(--lume);text-shadow:0 0 14px var(--glow)}
.nav-back{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.02em;color:var(--prata-2);display:inline-flex;align-items:center;gap:.4em;border:1px solid var(--line);border-radius:999px;padding:.5em 1em;transition:border-color .2s,color .2s}
.nav-back:hover{border-color:var(--lume);color:var(--prata)}

/* Cabeçalho de seção */
.blog-hero{padding:clamp(3rem,8vw,6rem) 0 clamp(1.5rem,4vw,3rem)}
.eyebrow{display:inline-block;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--lume-2);margin-bottom:1.1rem}
.blog-hero h1{font-family:var(--f-display);font-weight:400;font-size:clamp(2.4rem,1.7rem + 3vw,4rem);line-height:1.04;letter-spacing:-.01em;color:var(--prata)}
.blog-hero p{margin-top:1.1rem;color:var(--prata-2);font-size:clamp(1.05rem,1rem + .3vw,1.2rem);max-width:56ch}

/* Grid de posts */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.4rem;padding-bottom:clamp(3rem,8vw,6rem)}
.post-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.008));padding:1.6rem;transition:border-color .25s,transform .25s,background .25s}
.post-card:hover{border-color:rgba(163,133,255,.4);transform:translateY(-3px);background:linear-gradient(180deg,rgba(163,133,255,.06),rgba(255,255,255,.01))}
.post-meta{display:flex;align-items:center;gap:.7rem;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.08em;text-transform:uppercase;color:var(--prata-3);margin-bottom:1rem}
.post-tag{color:var(--lume-2)}
.post-card h2{font-family:var(--f-display);font-weight:400;font-size:1.5rem;line-height:1.15;color:var(--prata)}
.post-card p{margin-top:.7rem;color:var(--prata-2);font-size:.96rem;flex:1}
.post-more{margin-top:1.3rem;display:inline-flex;align-items:center;gap:.45em;font-family:var(--f-mono);font-size:.8rem;color:var(--lume-2);border-bottom:1px solid var(--line);padding-bottom:.2em;align-self:flex-start;transition:color .2s,border-color .2s}
.post-card:hover .post-more{color:var(--prata);border-color:var(--lume)}
.post-more .arw{transition:transform .2s}
.post-card:hover .post-more .arw{transform:translateX(3px)}

/* Artigo */
.article{padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(3rem,8vw,6rem)}
.article-head{max-width:760px;margin-inline:auto}
.article-head .post-meta{margin-bottom:1.3rem}
.article-head h1{font-family:var(--f-display);font-weight:400;font-size:clamp(2rem,1.5rem + 2.4vw,3.2rem);line-height:1.08;letter-spacing:-.01em;color:var(--prata)}
.article-head .lead{margin-top:1.3rem;color:var(--prata-2);font-size:clamp(1.1rem,1rem + .4vw,1.3rem);line-height:1.5}
.article-body{max-width:680px;margin:clamp(2rem,5vw,3rem) auto 0}
.article-body h2{font-family:var(--f-display);font-weight:400;font-size:clamp(1.5rem,1.2rem + 1vw,2rem);line-height:1.15;color:var(--prata);margin:2.4rem 0 .9rem}
.article-body h3{font-size:1.2rem;font-weight:600;color:var(--prata);margin:1.8rem 0 .7rem}
.article-body p{color:var(--prata-2);margin-bottom:1.15rem}
.article-body ul{margin:0 0 1.15rem 1.1rem;color:var(--prata-2)}
.article-body li{margin-bottom:.5rem}
.article-body blockquote{margin:1.6rem 0;padding:.4rem 0 .4rem 1.3rem;border-left:2px solid var(--lume);font-family:var(--f-display);font-style:italic;font-size:1.2rem;color:var(--prata);line-height:1.4}
.article-cta{max-width:680px;margin:clamp(2.5rem,6vw,4rem) auto 0;padding:2rem;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,rgba(163,133,255,.07),rgba(255,255,255,.01));text-align:center}
.article-cta h3{font-family:var(--f-display);font-weight:400;font-size:1.5rem;color:var(--prata);margin-bottom:.5rem}
.article-cta p{color:var(--prata-2);margin-bottom:1.3rem}
.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;border-radius:999px;padding:.85em 1.5em;transition:transform .2s,box-shadow .2s}
.btn-solid{background:var(--lume);color:#0b0711;box-shadow:0 0 30px var(--glow)}
.btn-solid:hover{transform:translateY(-1px);box-shadow:0 0 42px var(--glow)}
.article-back{display:inline-flex;align-items:center;gap:.45em;font-family:var(--f-mono);font-size:.8rem;color:var(--prata-3);margin-top:2.5rem;transition:color .2s}
.article-back:hover{color:var(--lume-2)}

/* Footer */
.foot{border-top:1px solid var(--line);padding-block:clamp(2.5rem,5vw,3.5rem);margin-top:2rem}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1.2rem;align-items:center}
.foot-in a.ig{display:inline-flex;align-items:center;gap:.6rem;color:var(--prata);border:1px solid var(--line);border-radius:999px;padding:.4rem .9rem .4rem .4rem;transition:border-color .2s,background .2s}
.foot-in a.ig:hover{border-color:var(--lume);background:rgba(163,133,255,.07)}
.foot-ig-icon{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(45deg,#f09433,#dc2743,#bc1888);color:#fff}
.foot-ig-icon svg{width:17px;height:17px}
.foot-legal{font-size:.78rem;color:var(--prata-3);line-height:1.5}
@media (max-width:560px){.nav-in{gap:.6rem}.brand .wordmark{font-size:1rem}}