/* ============================================================
   PENTÁGONO — Blog / Diário · editorial paper & ink
   ============================================================ */
:root{
  --paper:#F2EFE6; --paper-2:#EAE6D9; --ink:#16140E;
  --ink-soft:rgba(22,20,14,.66); --accent:#FF4400;
  --hair:rgba(22,20,14,.18); --hair-strong:rgba(22,20,14,.3);
  --d:"Bricolage Grotesque","Arial Black",sans-serif;
  --s:"Instrument Serif",Georgia,serif;
  --m:"Space Mono","Courier New",monospace;
  --gutter:clamp(20px,5vw,56px);
  --read:46rem;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--d);font-weight:400;font-optical-sizing:auto;background:var(--paper);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{display:block;max-width:100%}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:var(--paper)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.mono{font-family:var(--m);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
.serif{font-family:var(--s);font-style:italic;font-weight:400}
.accent{color:var(--accent)}

/* ---------- Header ---------- */
.bhead{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--hair)}
.bhead-in{display:flex;align-items:center;justify-content:space-between;height:62px;padding:0 var(--gutter)}
.logo{display:inline-flex;align-items:center;gap:9px;font-family:var(--d);font-weight:800;font-size:.95rem;letter-spacing:.06em;text-transform:uppercase}
.logo svg{width:16px;height:16px;color:var(--accent)}
.bnav{display:flex;gap:clamp(16px,3vw,34px);align-items:center}
.bnav a{font-family:var(--m);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;position:relative}
.bnav a.is-here{color:var(--accent)}
.bnav a:not(.cta)::after{content:"";position:absolute;left:0;bottom:-5px;width:100%;height:1.5px;background:var(--ink);transform:scaleX(0);transform-origin:100% 50%;transition:transform .35s var(--ease)}
.bnav a:not(.cta):hover::after{transform:scaleX(1);transform-origin:0 50%}
.bnav .cta{padding:9px 16px;background:var(--ink);color:var(--paper);transition:background .25s}
.bnav .cta:hover{background:var(--accent)}

/* ---------- Index / listing ---------- */
.idx-hero{padding:clamp(56px,9vw,120px) var(--gutter) clamp(30px,5vw,56px);border-bottom:2px solid var(--ink)}
.idx-hero .kick{font-family:var(--m);font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:14px}
.idx-hero h1{font-size:clamp(2.6rem,8vw,5.5rem);line-height:.96;text-transform:uppercase;letter-spacing:-.02em}
.idx-hero h1 .serif{text-transform:none;font-size:1.02em}
.idx-hero p{margin-top:18px;max-width:54ch;font-size:clamp(1rem,1.5vw,1.2rem);color:var(--ink-soft)}
.posts{padding:clamp(30px,5vw,56px) var(--gutter) 90px;display:grid;gap:0}
.post-row{display:grid;grid-template-columns:210px 1fr auto;gap:clamp(16px,3vw,40px);align-items:center;padding:24px 0;border-bottom:1px solid var(--hair);transition:background .3s,padding-left .3s var(--ease)}
.post-row:hover{background:var(--paper-2);padding-left:14px}
.pthumb{width:210px;height:110px;object-fit:cover;border:1px solid var(--hair);background:var(--paper-2)}
.post-row .pcat{font-family:var(--m);font-size:.64rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);display:block;margin-bottom:7px}
.post-row h2{font-size:clamp(1.3rem,2.6vw,1.95rem);line-height:1.06;letter-spacing:-.01em;font-weight:600}
.post-row .pdek{font-size:.95rem;color:var(--ink-soft);margin-top:7px;max-width:60ch}
.post-row .pmeta{font-family:var(--m);font-size:.66rem;color:var(--ink-soft);white-space:nowrap;text-transform:uppercase;letter-spacing:.08em}

/* ---------- Article ---------- */
.art-head{padding:clamp(40px,7vw,90px) var(--gutter) clamp(28px,4vw,48px);max-width:calc(var(--read) + 2*var(--gutter));margin:0 auto}
.art-back{font-family:var(--m);font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-soft);display:inline-block;margin-bottom:26px}
.art-back:hover{color:var(--accent)}
.art-cat{font-family:var(--m);font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);display:block;margin-bottom:16px}
.art-head h1{font-size:clamp(2rem,5.2vw,3.6rem);line-height:1.02;letter-spacing:-.02em}
.art-head h1 .serif{font-size:1.03em}
.art-meta{margin-top:18px;padding-top:16px;border-top:1px solid var(--hair);font-family:var(--m);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);display:flex;gap:18px;flex-wrap:wrap}
.art-meta b{color:var(--ink);font-weight:400}
.art-cat-inline{color:var(--accent)}
.art-cover{width:100%;height:auto;display:block;margin:0;border:1px solid var(--hair)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.art-body{max-width:calc(var(--read) + 2*var(--gutter));margin:0 auto;padding:8px var(--gutter) 40px;font-size:1.12rem}
.art-body > *{max-width:var(--read)}
.art-body p{margin:0 0 1.35em}
.art-body .lead{font-family:var(--s);font-style:italic;font-size:clamp(1.4rem,2.6vw,1.85rem);line-height:1.4;color:var(--ink);margin:0 0 1.4em}
.art-body h2.sec{font-family:var(--d);font-weight:700;font-size:clamp(1.5rem,3.2vw,2.1rem);line-height:1.1;letter-spacing:-.015em;margin:2em 0 .7em;padding-top:.4em}
.art-body h3{font-family:var(--d);font-weight:600;font-size:1.25rem;margin:1.6em 0 .5em}
.art-body strong{font-weight:700}
.art-body em{font-style:italic}
.art-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.art-body ul.list{margin:0 0 1.5em;display:flex;flex-direction:column;gap:.7em}
.art-body ul.list li{position:relative;padding-left:30px}
.art-body ul.list li::before{content:"";position:absolute;left:0;top:.55em;width:9px;height:9px;background:var(--accent);clip-path:polygon(50% 0,100% 38%,82% 100%,18% 100%,0 38%)}
.art-body ol.steps{counter-reset:st;margin:0 0 1.5em;display:flex;flex-direction:column;gap:1em}
.art-body ol.steps li{position:relative;padding-left:46px;min-height:30px}
.art-body ol.steps li::before{counter-increment:st;content:"0" counter(st);position:absolute;left:0;top:0;font-family:var(--m);font-weight:700;font-size:.85rem;color:var(--paper);background:var(--ink);width:30px;height:30px;display:flex;align-items:center;justify-content:center}
.art-body blockquote.pull{font-family:var(--s);font-style:italic;font-size:clamp(1.5rem,3vw,2rem);line-height:1.3;color:var(--ink);border-left:3px solid var(--accent);padding:.2em 0 .2em 26px;margin:1.6em 0}
.art-body .callout{background:var(--ink);color:var(--paper);padding:24px 26px;margin:1.8em 0}
.art-body .callout p{margin:0}
.art-body .callout p+p{margin-top:.8em}
.art-body .callout strong{color:#ff7a4d}
.art-body .tldr{border:1px solid var(--hair-strong);padding:22px 26px;margin:0 0 2em;background:var(--paper-2)}
.art-body .tldr h4{font-family:var(--m);font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}
.art-body .tldr ul{display:flex;flex-direction:column;gap:.5em}
.art-body .tldr li{position:relative;padding-left:22px;font-size:.98rem}
.art-body .tldr li::before{content:"→";position:absolute;left:0;color:var(--accent);font-family:var(--m)}
.art-body .faq{border-top:1px solid var(--hair);padding-top:1.1em;margin-top:1.1em}
.art-body .faq h3{margin:0 0 .3em;font-size:1.15rem}
.art-body .faq p{color:var(--ink-soft);font-size:1.02rem}

/* ---------- CTA ---------- */
.art-cta{margin:0 auto;max-width:var(--read);padding:0 var(--gutter)}
.art-cta-in{background:var(--accent);color:var(--paper);padding:clamp(30px,5vw,48px);margin:30px 0 0}
.art-cta-in h3{font-size:clamp(1.5rem,3.5vw,2.3rem);text-transform:uppercase;line-height:1;letter-spacing:-.01em;margin-bottom:12px}
.art-cta-in p{font-size:1.05rem;margin-bottom:22px;max-width:46ch}
.art-cta-in .actions{display:flex;gap:12px;flex-wrap:wrap}
.art-cta-in .btn{font-family:var(--m);font-size:.76rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;padding:14px 24px;border:1px solid var(--paper)}
.art-cta-in .btn-fill{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.art-cta-in .btn-out{color:var(--paper)}
.art-cta-in .btn-out:hover{background:var(--ink);border-color:var(--ink)}

/* ---------- Footer ---------- */
.bfoot{border-top:2px solid var(--ink);margin-top:70px;padding:36px var(--gutter);font-family:var(--m);font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-soft);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
.bfoot a:hover{color:var(--accent)}

@media(max-width:760px){
  .post-row{grid-template-columns:1fr;gap:12px}
  .pthumb{width:100%;height:auto;aspect-ratio:1200/630}
  .post-row .pmeta{order:3}
  .bnav .nav-hide{display:none}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}