/* ============================================================
   Goellner Ferreira — Blog
   Sistema visual (compartilhado por blog.html e post.html)
   ============================================================ */
:root{
  --navy-900:#07193f; --navy-800:#0a2150; --navy-700:#102a63; --navy-600:#16387f;
  --royal:#0e76cf; --royal-deep:#0a5aa3; --sky:#6cbfe0; --sky-2:#a9dcef;
  --teal-800:#0c5f59; --teal-700:#11756c; --teal-600:#1f8a82; --teal-300:#6fc3ba;
  --coral:#ff5757; --coral-deep:#e23f3f;
  --cream:#f3efe7; --cream-2:#ebe5d8; --paper:#fff; --paper-2:#fbf9f4;
  --ink:#14203f; --muted:#56607a; --faint:#8992a8;
  --line:rgba(10,33,80,.12); --line-2:rgba(10,33,80,.07);
  --accent:var(--coral); --accent-deep:var(--coral-deep); --accent-soft:rgba(255,87,87,.12);
  --grad-brand:linear-gradient(120deg,var(--navy-800) 0%,var(--navy-600) 46%,var(--royal-deep) 78%,var(--teal-700) 100%);
  --font-head:"Montserrat",system-ui,sans-serif;
  --font-body:"Montserrat",system-ui,sans-serif;
  --radius:16px; --radius-sm:10px; --radius-lg:24px;
  --shadow-sm:0 1px 2px rgba(16,30,68,.05),0 2px 8px rgba(16,30,68,.05);
  --shadow-md:0 8px 30px rgba(16,30,68,.10),0 2px 8px rgba(16,30,68,.06);
  --shadow-lg:0 30px 70px rgba(16,30,68,.18);
  --maxw:1180px; --gut:clamp(20px,5vw,64px);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-body);color:var(--ink);background:var(--cream);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:800;line-height:1.12;letter-spacing:-0.018em;color:var(--navy-800);text-wrap:balance;}
p{text-wrap:pretty;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(243,239,231,.78);backdrop-filter:blur(14px) saturate(1.2);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s;}
.site-header[data-stuck="true"]{background:rgba(247,244,238,.92);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(16,30,68,.06);}
.nav{display:flex;align-items:center;gap:28px;height:88px;}
.nav-logo{height:60px;width:auto;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{font-size:14.5px;font-weight:500;color:var(--ink);padding:9px 15px;border-radius:999px;transition:color .2s,background .2s;}
.nav-link:hover,.nav-link.active{color:var(--accent);background:rgba(255,255,255,.55);}
.nav-cta{margin-left:10px;}
.btn{font-family:var(--font-body);font-weight:600;font-size:15px;padding:14px 26px;border-radius:999px;border:1.5px solid transparent;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:transform .18s ease,box-shadow .25s,background .2s,color .2s,border-color .2s;white-space:nowrap;}
.btn svg{width:17px;height:17px;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 26px var(--accent-soft);}
.btn-accent:hover{transform:translateY(-2px);filter:brightness(1.05);}
.btn-ghost{background:transparent;color:var(--navy-800);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--navy-700);background:var(--paper);}
.nav-cta .btn{padding:11px 20px;font-size:14px;}
.hamburger{margin-left:auto;display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;}
.hamburger span{width:26px;height:2px;background:var(--navy-800);border-radius:2px;}
.mobile-menu{display:none;flex-direction:column;gap:4px;padding:12px var(--gut) 24px;background:var(--paper-2);border-bottom:1px solid var(--line);}
.mobile-menu.open{display:flex;}
.mobile-menu a{padding:13px 8px;font-weight:500;border-bottom:1px solid var(--line-2);}

/* ---------- Blog hero ---------- */
.blog-hero{background:var(--grad-brand);color:#fff;position:relative;overflow:hidden;isolation:isolate;}
.blog-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:radial-gradient(120% 100% at 78% 0%,#000,transparent 72%);mask-image:radial-gradient(120% 100% at 78% 0%,#000,transparent 72%);z-index:-1;}
.blog-hero::after{content:"";position:absolute;right:-8%;top:-30%;width:50vw;height:50vw;max-width:600px;max-height:600px;background:radial-gradient(circle,rgba(108,191,224,.4),transparent 62%);z-index:-1;}
.blog-hero-inner{padding-block:clamp(54px,7vw,86px);}
.blog-hero .eyebrow{font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--sky);display:inline-flex;align-items:center;gap:12px;}
.blog-hero .eyebrow::before{content:"";width:28px;height:2px;background:var(--sky);}
.blog-hero h1{color:#fff;font-size:clamp(34px,4.5vw,54px);margin-top:18px;}
.blog-hero h1 em{font-style:italic;color:var(--coral);}
.blog-hero p{color:rgba(255,255,255,.82);font-size:clamp(16px,1.4vw,19px);margin-top:18px;max-width:54ch;line-height:1.6;}

/* ---------- Toolbar (busca + categorias) ---------- */
.blog-tools{position:sticky;top:88px;z-index:40;background:rgba(247,244,238,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.blog-tools-inner{display:flex;align-items:center;gap:18px;padding-block:18px;flex-wrap:wrap;}
.cats{display:flex;gap:8px;flex-wrap:wrap;flex:1;}
.cat{font-size:13.5px;font-weight:600;color:var(--muted);background:var(--paper);border:1px solid var(--line);padding:8px 16px;border-radius:999px;cursor:pointer;transition:all .18s;}
.cat:hover{border-color:var(--accent);color:var(--accent);}
.cat.active{background:var(--navy-800);color:#fff;border-color:var(--navy-800);}
.search{position:relative;display:flex;align-items:center;}
.search svg{position:absolute;left:14px;width:18px;height:18px;color:var(--faint);pointer-events:none;}
.search input{font-family:var(--font-body);font-size:14.5px;color:var(--ink);background:var(--paper);border:1.5px solid var(--line);border-radius:999px;padding:11px 18px 11px 42px;width:248px;max-width:60vw;transition:border-color .18s,box-shadow .18s;}
.search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);}

/* ---------- Feed wrapper ---------- */
.feed{padding-block:clamp(48px,6vw,80px);}
.feed-empty{text-align:center;color:var(--muted);padding:60px 0;font-size:17px;}
.feed-count{font-size:13px;color:var(--faint);font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:26px;}

/* card básico (compartilhado) */
.post-cover{aspect-ratio:16/10;background:var(--cream-2);position:relative;overflow:hidden;}
.post-cover img{width:100%;height:100%;object-fit:cover;}
.post-cover .cover-fallback{position:absolute;inset:0;display:grid;place-items:center;background:var(--grad-brand);}
.post-cover .cover-fallback svg{width:46px;height:46px;color:rgba(255,255,255,.5);}
.chip{display:inline-flex;align-items:center;font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);padding:5px 11px;border-radius:999px;}
.post-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--faint);font-weight:500;}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--faint);}

/* ===== Layout A: Magazine (destaque + grid) ===== */
.lay-magazine .feature{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,3vw,44px);background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:40px;transition:transform .2s,box-shadow .25s;}
.lay-magazine .feature:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.lay-magazine .feature .post-cover{aspect-ratio:auto;height:100%;min-height:320px;}
.lay-magazine .feature-body{padding:clamp(26px,3vw,44px);display:flex;flex-direction:column;justify-content:center;}
.lay-magazine .feature-body h2{font-size:clamp(24px,2.6vw,34px);margin:16px 0 12px;}
.lay-magazine .feature-body p{color:var(--muted);font-size:16px;}
.lay-magazine .feature-body .post-meta{margin-top:18px;}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .25s;display:flex;flex-direction:column;}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19.5px;margin:13px 0 9px;line-height:1.22;}
.card-body p{color:var(--muted);font-size:14.5px;flex:1;}
.card-body .post-meta{margin-top:18px;}

/* ===== Layout B: Grid uniforme (cards) ===== */
.lay-cards .grid{grid-template-columns:repeat(3,1fr);}
.lay-cards .feature{display:none;}

/* ===== Layout C: Lista minimalista ===== */
.lay-minimal .grid{display:flex;flex-direction:column;gap:0;}
.lay-minimal .feature{display:none;}
.lay-minimal .card{flex-direction:row;align-items:stretch;border-radius:0;border:none;border-bottom:1px solid var(--line);box-shadow:none;background:transparent;gap:28px;padding:28px 0;}
.lay-minimal .card:hover{transform:none;box-shadow:none;background:rgba(255,255,255,.4);}
.lay-minimal .post-cover{width:240px;flex:none;aspect-ratio:16/11;border-radius:var(--radius-sm);}
.lay-minimal .card-body{padding:4px 0;justify-content:center;}
.lay-minimal .card-body h3{font-size:23px;}
.lay-minimal .card-body p{font-size:15px;}

/* ---------- Footer ---------- */
.footer{background:var(--navy-900);color:rgba(255,255,255,.7);margin-top:40px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-block:60px 44px;}
.footer-logo{height:50px;margin-bottom:18px;filter:brightness(0) invert(1);}
.footer-about{font-size:14.5px;line-height:1.65;max-width:34ch;}
.footer h5{font-family:var(--font-body);color:#fff;font-size:13px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;font-weight:700;}
.footer-col a,.footer-col p{display:block;font-size:14.5px;color:rgba(255,255,255,.66);padding:7px 0;transition:color .18s;overflow-wrap:anywhere;}
.footer-col a:hover{color:var(--sky);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:24px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}
.footer-credit{color:rgba(255,255,255,.55);}
.footer-credit a{color:var(--sky);font-weight:600;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none;}html{scroll-behavior:auto;}}

/* ============================================================
   Post individual (post.html)
   ============================================================ */
.article-head{background:var(--grad-brand);color:#fff;position:relative;overflow:hidden;isolation:isolate;}
.article-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:60px 60px;-webkit-mask-image:radial-gradient(120% 100% at 80% 0%,#000,transparent 70%);mask-image:radial-gradient(120% 100% at 80% 0%,#000,transparent 70%);z-index:-1;}
.article-head-inner{padding-block:clamp(40px,5vw,64px) clamp(150px,18vw,220px);max-width:840px;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--sky);transition:gap .18s;}
.back-link:hover{gap:12px;}
.back-link svg{width:16px;height:16px;}
.article-head .chip{background:rgba(255,255,255,.16);color:#fff;margin-top:24px;}
.article-head h1{color:#fff;font-size:clamp(28px,4vw,48px);margin-top:18px;line-height:1.1;}
.article-byline{display:flex;align-items:center;gap:14px;margin-top:26px;}
.article-byline .av{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid rgba(255,255,255,.3);background:rgba(255,255,255,.1);}
.article-byline .who{font-size:14.5px;font-weight:700;color:#fff;}
.article-byline .when{font-size:13px;color:rgba(255,255,255,.7);margin-top:2px;}
.article-cover{max-width:920px;margin:-150px auto 0;padding-inline:var(--gut);position:relative;z-index:2;}
.article-cover .frame{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);aspect-ratio:16/9;background:var(--cream-2);}
.article-cover .frame img{width:100%;height:100%;object-fit:cover;}
.article-body{max-width:720px;margin:0 auto;padding:clamp(40px,5vw,64px) var(--gut) 0;}
.article-body p{font-size:18px;line-height:1.75;color:#28304a;margin-bottom:24px;}
.article-body h2{font-size:clamp(24px,2.6vw,32px);margin:44px 0 16px;}
.article-body h3{font-size:21px;margin:32px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 24px 22px;}
.article-body li{font-size:18px;line-height:1.7;color:#28304a;margin-bottom:10px;}
.article-body a{color:var(--royal);font-weight:600;text-decoration:underline;text-underline-offset:2px;}
.article-body blockquote{border-left:4px solid var(--accent);background:var(--paper-2);padding:18px 24px;margin:0 0 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:18px;color:var(--navy-800);font-style:italic;}
.article-body img{border-radius:var(--radius);margin:0 auto 24px;box-shadow:var(--shadow-sm);}
.article-body strong{color:var(--navy-800);font-weight:700;}
.share{max-width:720px;margin:24px auto 0;padding:28px var(--gut) 0;border-top:1px solid var(--line);display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.share-label{font-size:13.5px;font-weight:600;color:var(--muted);}
.share-btns{display:flex;gap:10px;}
.share-btn{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:#fff;padding:10px 16px;border-radius:999px;transition:transform .16s,filter .2s;}
.share-btn:hover{transform:translateY(-2px);filter:brightness(1.05);}
.share-btn svg{width:16px;height:16px;}
.share-wa{background:#25D366;}
.share-li{background:#0A66C2;}
.share-ig{background:linear-gradient(135deg,#f58529,#dd2a7b,#8134af);border:none;font-family:inherit;cursor:pointer;}
.share-cp{background:var(--navy-700);border:none;font-family:inherit;cursor:pointer;}
.article-foot{max-width:720px;margin:48px auto 0;padding:0 var(--gut);}
.author-box{display:flex;gap:18px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;box-shadow:var(--shadow-sm);}
.author-box .av{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:none;background:var(--cream-2);}
.author-box .role{font-size:13px;color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.05em;}
.author-box h4{font-size:19px;margin-top:3px;}
.author-box p{font-size:14px;color:var(--muted);margin-top:6px;}

/* mais posts */
.more{max-width:var(--maxw);margin:0 auto;padding:clamp(48px,6vw,76px) var(--gut) 0;}
.more h3{font-size:24px;margin-bottom:26px;}
.more .grid{grid-template-columns:repeat(3,1fr);}
@media (max-width:980px){.more .grid{grid-template-columns:1fr 1fr;}}
@media (max-width:620px){.more .grid{grid-template-columns:1fr;}}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .nav-links,.nav-cta{display:none;}
  .hamburger{display:flex;}
  .grid,.lay-cards .grid{grid-template-columns:1fr 1fr;}
  .lay-magazine .feature{grid-template-columns:1fr;}
  .lay-magazine .feature .post-cover{min-height:240px;}
  .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:620px){
  body{font-size:16px;}
  .grid,.lay-cards .grid{grid-template-columns:1fr;}
  .lay-minimal .card{flex-direction:column;gap:16px;}
  .lay-minimal .post-cover{width:100%;}
  .blog-tools-inner{flex-direction:column;align-items:stretch;}
  .search input{width:100%;max-width:none;}
  .footer-top{grid-template-columns:1fr;}
  .blog-tools{top:72px;}
  .nav{height:72px;}
  .nav-logo{height:48px;}
}