/* ==========================================================================
   Portline | Blog — Folha de estilo
   Estética: monocromática premium editorial (mesma linguagem do site)
   ========================================================================== */
:root{
  --ink:#111111;
  --ink-2:#171717;
  --ink-3:#1e1e1e;
  --cream:#f4f2ee;
  --cream-2:#eceae4;
  --paper:#ffffff;
  --text:#2a2a2a;
  --muted:#6d6d6d;
  --muted-2:#8a8a8a;
  --label:#9a9a9a;
  --label-dark:#8f8f8f;
  --line:rgba(0,0,0,.12);
  --line-light:rgba(255,255,255,.16);
  --wa:#25d366;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Montserrat",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --wrap:1180px;
  --read:760px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  background:var(--paper);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.eyebrow{
  font-size:12px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--label);font-weight:500;margin:0 0 22px
}
.serif{font-family:var(--serif)}
.italic{font-style:italic}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(17,17,17,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-light);
}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:26px;width:auto}
.brand span{color:#fff;font-family:var(--serif);font-size:22px;letter-spacing:.06em}
.nav{display:flex;align-items:center;gap:30px}
.nav a{
  color:#e9e9e9;font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;font-weight:500;
  transition:color .2s
}
.nav a:hover,.nav a.active{color:#fff}
.btn-quote{
  border:1px solid rgba(255,255,255,.55);color:#fff;
  padding:11px 20px;font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;
  transition:.2s
}
.btn-quote:hover{background:#fff;color:var(--ink)}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:24px;cursor:pointer}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  padding:15px 30px;transition:.22s;cursor:pointer;border:1px solid transparent
}
.btn-primary{background:#fff;color:var(--ink)}
.btn-primary:hover{background:#e6e2da}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-outline-dark{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline-dark:hover{background:var(--ink);color:#fff}

/* ---------- Hero (dark) ---------- */
.hero{background:var(--ink);color:#fff;padding:96px 0 88px;text-align:center}
.hero .breadcrumb{
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--label);margin-bottom:26px
}
.hero .breadcrumb a:hover{color:#fff}
.hero h1{
  font-family:var(--serif);font-weight:500;color:#fff;
  font-size:clamp(2.4rem,5.2vw,4rem);line-height:1.08;letter-spacing:.005em;
  margin:0 auto;max-width:16ch
}
.hero .lead{
  color:#c4c4c4;max-width:60ch;margin:26px auto 0;font-size:1.02rem;line-height:1.7;font-weight:300
}
.hero .meta{margin-top:26px;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2)}
.divider{width:56px;height:1px;background:rgba(255,255,255,.4);margin:34px auto 0}
.divider-dark{width:56px;height:1px;background:var(--line);margin:0 auto}

/* ---------- Featured image ---------- */
.featured{background:var(--ink);padding-bottom:0}
.featured .frame{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.featured img{width:100%;height:clamp(280px,46vw,560px);object-fit:cover}

/* ---------- Article body ---------- */
.article{background:var(--cream);padding:76px 0 40px}
.article .read{max-width:var(--read);margin:0 auto;padding:0 24px}
.article p{color:#42423f;margin:0 0 22px}
.article h2{
  font-family:var(--serif);font-weight:500;color:var(--ink);
  font-size:clamp(1.7rem,3.4vw,2.3rem);line-height:1.18;margin:46px 0 18px
}
.article h3{
  font-family:var(--serif);font-weight:600;color:var(--ink);
  font-size:1.32rem;margin:32px 0 12px
}
.article ul,.article ol{color:#42423f;margin:0 0 24px;padding-left:0;list-style:none}
.article ul li{position:relative;padding:7px 0 7px 26px}
.article ul li::before{content:"";position:absolute;left:2px;top:16px;width:7px;height:7px;background:var(--ink);transform:rotate(45deg)}
.article ol{counter-reset:it;padding-left:0}
.article ol li{position:relative;padding:7px 0 7px 40px;counter-increment:it}
.article ol li::before{
  content:counter(it);position:absolute;left:0;top:9px;
  font-family:var(--serif);font-size:1rem;color:var(--ink);
  border:1px solid var(--ink);width:24px;height:24px;display:flex;align-items:center;justify-content:center;border-radius:50%
}
.article li{margin-bottom:2px}
.article strong{color:var(--ink);font-weight:600}
.article a.inline{border-bottom:1px solid var(--muted);transition:.2s}
.article a.inline:hover{border-color:var(--ink);color:var(--ink)}

.article figure{margin:38px 0}
.article figure img{width:100%;height:clamp(240px,40vw,460px);object-fit:cover}
.article figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;font-style:italic}
.figure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:38px 0}
.figure-grid img{width:100%;height:220px;object-fit:cover}

/* Pull quote */
.pull{
  font-family:var(--serif);font-style:italic;font-size:1.5rem;line-height:1.4;color:var(--ink);
  border-left:2px solid var(--ink);padding:6px 0 6px 26px;margin:38px 0
}

/* Comparison table */
.table-wrap{overflow-x:auto;margin:34px 0}
table.compare{width:100%;border-collapse:collapse;font-size:15px}
table.compare th,table.compare td{border-bottom:1px solid var(--line);padding:14px 16px;text-align:left}
table.compare thead th{
  font-family:var(--sans);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);font-weight:600;
  border-bottom:1.5px solid var(--ink)
}
table.compare td{color:#4a4a47}
table.compare tbody tr:hover{background:rgba(0,0,0,.02)}

/* Inline CTA box */
.cta-box{
  background:var(--ink);color:#fff;padding:46px 40px;margin:52px auto;text-align:center;max-width:var(--read)
}
.cta-box .eyebrow{color:var(--label);margin-bottom:14px}
.cta-box h3{font-family:var(--serif);font-weight:500;font-size:1.9rem;color:#fff;margin:0 0 10px;line-height:1.2}
.cta-box p{color:#bcbcbc;margin:0 0 26px;font-weight:300}
.cta-box .contact{margin-top:20px;font-size:13px;letter-spacing:.06em;color:#c9c9c9}

/* FAQ */
.faq{background:var(--paper);padding:72px 0}
.faq .head{text-align:center;margin-bottom:40px}
.faq .head .eyebrow{color:var(--label-dark)}
.faq .head h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.9rem,4vw,2.6rem);color:var(--ink);margin:0}
.faq .list{max-width:var(--read);margin:0 auto;padding:0 24px}
.faq details{border-bottom:1px solid var(--line);padding:8px 0}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 0;font-size:1.05rem;font-weight:600;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--serif);font-size:1.6rem;color:var(--muted);transition:.2s}
.faq details[open] summary::after{content:"–"}
.faq details p{color:#4a4a47;margin:0 0 18px;padding-right:30px}

/* ---------- Blog index ---------- */
.posts{background:var(--cream);padding:80px 0}
.posts .head{text-align:center;margin-bottom:54px}
.posts .head .eyebrow{color:var(--label-dark)}
.posts .head h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.9rem,4vw,2.7rem);color:var(--ink);margin:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.card{background:var(--paper);border:1px solid var(--line);transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.09)}
.card .thumb{overflow:hidden;height:230px}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.card:hover .thumb img{transform:scale(1.05)}
.card .body{padding:26px 26px 30px;display:flex;flex-direction:column;flex:1}
.card .cat{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--label-dark);margin-bottom:12px}
.card h3{font-family:var(--serif);font-weight:600;font-size:1.4rem;line-height:1.22;color:var(--ink);margin:0 0 12px}
.card p{font-size:14.5px;color:var(--muted);margin:0 0 20px;flex:1}
.card .more{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink);font-weight:600}
.card-featured{grid-column:1 / -1;flex-direction:row}
.card-featured .thumb{height:auto;flex:1.1;min-height:340px}
.card-featured .body{flex:1;justify-content:center;padding:48px}
.card-featured h3{font-size:2rem}
.card-featured p{font-size:16px}

/* ---------- Related ---------- */
.related{background:var(--cream-2);padding:70px 0}
.related .head{text-align:center;margin-bottom:40px}
.related .head .eyebrow{color:var(--label-dark)}
.related .head h2{font-family:var(--serif);font-weight:500;font-size:2rem;color:var(--ink);margin:0}
.related .grid{grid-template-columns:repeat(3,1fr)}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#cfcfcf;padding:66px 0 30px;font-weight:300}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid var(--line-light)}
.site-footer .brand span{color:#fff}
.site-footer h4{font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:#fff;margin:0 0 18px;font-weight:600}
.site-footer p,.site-footer a{font-size:14.5px;color:#b7b7b7;margin:0 0 10px}
.site-footer a:hover{color:#fff}
.site-footer .foot-note{padding-top:26px;font-size:12.5px;color:#8a8a8a;text-align:center;letter-spacing:.02em}

/* ---------- WhatsApp float ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:60;width:56px;height:56px;border-radius:50%;
  background:var(--wa);display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(0,0,0,.25);transition:.2s
}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px;fill:#fff}

/* ---------- Responsivo ---------- */
@media(max-width:900px){
  .grid,.related .grid{grid-template-columns:1fr 1fr}
  .figure-grid{grid-template-columns:1fr 1fr}
  .card-featured{flex-direction:column}
  .card-featured .thumb{min-height:260px}
  .site-footer .cols{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:680px){
  body{font-size:16px}
  .nav{
    display:none;position:absolute;top:70px;left:0;right:0;
    background:var(--ink);flex-direction:column;align-items:flex-start;
    gap:18px;padding:22px 24px;border-bottom:1px solid var(--line-light)
  }
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .grid,.related .grid,.figure-grid{grid-template-columns:1fr}
  .hero{padding:66px 0 60px}
  .article{padding:54px 0 30px}
  .cta-box{padding:38px 24px}
  .site-footer .cols{grid-template-columns:1fr}
}