/* Blog PulseDSP — design system compartilhado (espelha os tokens da landing). */
:root{
  --bg:#ffffff; --bg-2:#faf8f5; --bg-3:#f4f1ec;
  --ink:#15120e; --text:#3c3630; --muted:#6a625a; --faint:#938b81;
  --line:#e9e4dc; --line-2:#ddd6cc;
  --brand:#ff6b35; --brand-2:#f7931e; --amber:#ffb84d; --brand-soft:#fff1ea;
  --grad:linear-gradient(120deg,#ff6b35,#f7931e);
  --display:'Hanken Grotesk','Inter',system-ui,-apple-system,sans-serif;
  --body:'Inter',system-ui,-apple-system,sans-serif;
  --maxw:1080px;
  --shadow:0 10px 30px -12px rgba(20,16,12,.18),0 2px 6px rgba(20,16,12,.05);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
h1,h2,h3{font-family:var(--display);color:var(--ink);font-weight:700;line-height:1.15;letter-spacing:-.011em;margin:0}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{font-size:.78rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
header.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.brand{display:inline-flex;align-items:center;gap:8px;font-family:var(--display);font-weight:800;font-size:1.15rem;color:var(--ink);letter-spacing:-.02em}
.brand .g{color:var(--brand);display:inline-flex}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{font-size:.92rem;font-weight:500;color:var(--muted);transition:color .15s}
.nav-links a:hover,.nav-links a.on{color:var(--ink)}
.langs{display:inline-flex;gap:1px;font-size:.74rem;border:1px solid var(--line-2);border-radius:999px;padding:3px;background:#fff}
.langs button{appearance:none;border:0;background:transparent;color:var(--faint);padding:5px 10px;min-height:30px;border-radius:999px;cursor:pointer;font-family:var(--body);font-weight:600;transition:all .15s}
.langs button.on{background:var(--brand-soft);color:var(--brand)}
.langs button:hover{color:var(--ink)}

/* blog index */
.blog-head{padding:56px 0 8px}
.blog-head h1{font-size:clamp(2rem,4vw,3rem);font-weight:800}
.blog-head p{color:var(--muted);font-size:1.12rem;margin:14px 0 0;max-width:620px}
.posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;padding:40px 0 80px}
.post-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;transition:transform .18s,box-shadow .18s}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.post-card .thumb{aspect-ratio:800/360;background:var(--bg-2);border-bottom:1px solid var(--line)}
.post-card .thumb svg{width:100%;height:100%}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
.post-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-card .meta{font-size:.74rem;color:var(--faint);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.post-card h2{font-size:1.22rem}
.post-card .dek{color:var(--muted);font-size:.95rem;flex:1}
.post-card .more{color:var(--brand);font-weight:600;font-size:.9rem;margin-top:4px}

/* article */
.article{padding:44px 0 80px}
.article .back{font-size:.88rem;color:var(--faint);font-weight:600}
.article .back:hover{color:var(--brand)}
.art-head{max-width:760px;margin:0 auto}
.art-meta{font-size:.78rem;color:var(--faint);font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin:24px 0 12px}
.art-head h1{font-size:clamp(1.9rem,3.6vw,2.7rem);font-weight:800}
.art-head .dek{color:var(--muted);font-size:1.18rem;margin-top:16px}
.art-hero{max-width:900px;margin:32px auto;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--bg-2)}
.art-hero svg{width:100%;height:auto;display:block}
.art-hero img{width:100%;height:auto;display:block;aspect-ratio:1600/720;object-fit:cover}
.art-body{max-width:720px;margin:0 auto;font-size:1.08rem}
.art-body h2{font-size:1.5rem;margin:38px 0 12px}
.art-body p{margin:0 0 18px}
.art-body ul{margin:0 0 18px;padding-left:22px}
.art-body li{margin:6px 0}
.art-body a{color:var(--brand);font-weight:500;text-decoration:underline;text-underline-offset:2px}
.art-body strong{color:var(--ink);font-weight:600}
.sources{max-width:720px;margin:44px auto 0;padding:22px 24px;background:var(--bg-2);border:1px solid var(--line);border-radius:14px}
.sources .lab{font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);margin-bottom:10px}
.sources ul{margin:0;padding-left:20px}
.sources li{margin:6px 0;font-size:.92rem}
.sources a{color:var(--brand);text-decoration:none}
.sources a:hover{text-decoration:underline}
.disclaimer{max-width:720px;margin:20px auto 0;font-size:.8rem;color:var(--faint);line-height:1.5}

/* linha do tempo (rebranding etc.) */
.timeline{list-style:none;max-width:720px;margin:26px auto;padding:6px 0 6px 4px;border-left:2px solid var(--line-2)}
.timeline li{position:relative;padding:0 0 34px 26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-9px;top:5px;width:14px;height:14px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 3px var(--bg)}
.timeline .when{display:block;font-family:var(--display);font-size:.8rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--brand);margin-bottom:6px}
.timeline .what{color:var(--text);font-size:.98rem;line-height:1.55}
.timeline .what strong{color:var(--ink);font-weight:700}

/* footer */
footer{border-top:1px solid var(--line);padding:34px 0;background:var(--bg-2)}
.foot-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--faint)}
.foot-in a{color:var(--muted)}
.foot-in a:hover{color:var(--brand)}

/* lang toggle: blocos data-lang escondidos por JS */
[data-lang]{display:none}
[data-lang].on{display:block}
.post-card [data-lang].on{display:contents}
@media(max-width:640px){ body{font-size:16px} .nav-links{gap:14px} }