/* Identidade visual FuturaMente -- adaptado do mock aprovado (Artifact, 2026-09-16).
   Site comete deliberadamente a UM tema (synthwave escuro) -- não é um app
   genérico que deva seguir o SO, é a marca. Ver docs/IDENTIDADE_VISUAL.md. */

:root{
  --bg:#070b14;
  --bg-elevated:#0e1626;
  --bg-elevated-2:#121b30;
  --glass:rgba(18,27,48,.58);
  --border:rgba(137,182,222,.16);
  --border-strong:rgba(137,182,222,.32);
  --text:#e8eef7;
  --text-dim:#8c9cba;
  --text-faint:#5d6d8c;
  --cyan:#4fe8de;
  --purple:#b67cf2;
  --gradient:linear-gradient(115deg,var(--cyan),var(--purple));
  --ad-bg:#0a1120;
  --ad-border:rgba(137,182,222,.28);
  font-synthesis:none;
}

*{box-sizing:border-box;}
html{background:var(--bg);}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Manrope',ui-sans-serif,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Fraunces',ui-serif,Georgia,serif;
  font-weight:600;
  text-wrap:balance;
  margin:0;
}
em{
  font-style:italic;
  font-weight:500;
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
p{margin:0;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
img{display:block;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}

a:focus-visible, button:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:4px;
}

.mono{
  font-family:'IBM Plex Mono',ui-monospace,monospace;
  letter-spacing:.04em;
}

.page{
  max-width:1180px;
  margin:0 auto;
  padding:0 24px 64px;
}

/* ---------- Nav ---------- */
.nav{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:18px 24px;
  margin:0 -24px;
  background:rgba(7,11,20,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.brand{display:flex;align-items:center;}
.brand-logo{
  height:104px;
  width:104px;
  object-fit:contain;
  filter:drop-shadow(0 0 10px rgba(79,232,222,.28));
  transition:filter .2s;
}
.brand:hover .brand-logo{filter:drop-shadow(0 0 14px rgba(79,232,222,.42));}
.navlinks{
  display:flex;
  align-items:center;
  gap:28px;
  font-size:.92rem;
  font-weight:600;
}
.navlinks a{color:var(--text-dim);transition:color .15s;}
.navlinks a.active{color:var(--text);}
.navlinks a:hover{color:var(--cyan);}
.icon-btn{
  display:flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:999px;
  border:1px solid var(--border);
  color:var(--text-dim);
  transition:border-color .15s,color .15s;
}
.icon-btn:hover{border-color:var(--border-strong);color:var(--text);}

/* ---------- Ad slots ---------- */
.ad-slot{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:6px;
  background:
    repeating-linear-gradient(135deg,rgba(137,182,222,.05) 0 10px,transparent 10px 20px),
    var(--ad-bg);
  border:1px dashed var(--ad-border);
  border-radius:10px;
  color:var(--text-faint);
  text-align:center;
}
.ad-label{
  font-size:.66rem;
  text-transform:uppercase;
  letter-spacing:.12em;
  color:var(--text-faint);
}
.ad-dims{font-size:.78rem;color:var(--text-dim);}
.ad-top,.ad-footer{
  max-width:728px;
  width:100%;
  min-height:90px;
  margin:22px auto;
}
.ad-infeed{
  grid-column:1 / -1;
  min-height:120px;
}
.ad-article{
  min-height:120px;
  margin:28px 0;
}
.ad-sidebar{
  width:100%;
  aspect-ratio:300 / 250;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  padding:64px 48px;
  margin-top:8px;
  border:1px solid var(--border);
  isolation:isolate;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:var(--bg-elevated);
  z-index:-3;
}
.nebula{
  position:absolute;inset:0;
  z-index:-2;
  background:
    radial-gradient(480px 320px at 82% 8%, rgba(182,124,242,.28), transparent 65%),
    radial-gradient(420px 300px at 6% 92%, rgba(79,232,222,.22), transparent 65%);
}
.starfield{
  position:absolute;inset:0;
  z-index:-1;
  opacity:.55;
  background-image:
    radial-gradient(1.6px 1.6px at 8% 22%, #fff, transparent 60%),
    radial-gradient(1.2px 1.2px at 32% 68%, #fff, transparent 60%),
    radial-gradient(1.8px 1.8px at 58% 14%, #fff, transparent 60%),
    radial-gradient(1.3px 1.3px at 78% 52%, #fff, transparent 60%),
    radial-gradient(1.4px 1.4px at 91% 78%, #fff, transparent 60%),
    radial-gradient(1.1px 1.1px at 14% 86%, #fff, transparent 60%),
    radial-gradient(1.5px 1.5px at 46% 38%, #fff, transparent 60%),
    radial-gradient(1.2px 1.2px at 68% 92%, #fff, transparent 60%),
    radial-gradient(1.3px 1.3px at 24% 48%, #fff, transparent 60%),
    radial-gradient(1.6px 1.6px at 95% 30%, #fff, transparent 60%);
  background-size:260px 260px;
  background-repeat:repeat;
}
@media (prefers-reduced-motion:no-preference){
  .starfield{animation:twinkle 7s ease-in-out infinite alternate;}
}
@keyframes twinkle{
  from{opacity:.4;}
  to{opacity:.68;}
}
.hero-content{
  position:relative;
  max-width:680px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.hero-cover{
  position:absolute;
  inset:0;
  z-index:-4;
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.32;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.72rem;
  text-transform:uppercase;
  color:var(--cyan);
  width:fit-content;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 8px var(--cyan);
}
.hero h1{
  font-size:2.6rem;
  line-height:1.14;
  color:var(--text);
}
.dek{
  font-size:1.05rem;
  line-height:1.55;
  color:var(--text-dim);
  max-width:58ch;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  margin-top:6px;
}
.cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 22px;
  border-radius:999px;
  background:var(--gradient);
  color:var(--bg);
  font-weight:700;
  font-size:.92rem;
  transition:filter .15s,transform .15s;
}
.cta:hover{filter:brightness(1.08);transform:translateY(-1px);}
.source-tag{font-size:.78rem;color:var(--text-faint);}

/* ---------- Category rail ---------- */
.cat-rail{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin:36px 0 30px;
}
.pill{
  padding:9px 16px;
  border-radius:999px;
  border:1px solid var(--border);
  font-size:.85rem;
  font-weight:600;
  color:var(--text-dim);
  transition:border-color .15s,color .15s,background .15s;
}
.pill:hover{color:var(--text);border-color:var(--border-strong);}
.pill.active{
  background:var(--bg-elevated-2);
  border-color:var(--cyan);
  color:var(--text);
}

/* ---------- Layout: feed + sidebar ---------- */
.layout{
  display:grid;
  grid-template-columns:1fr 300px;
  gap:40px;
}
.feed{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
}
.feed.vazio{display:block;padding:48px 0;color:var(--text-dim);}
.card{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--border);
  border-radius:18px;
  overflow:hidden;
  transition:transform .18s,border-color .18s;
}
.card:hover{transform:translateY(-3px);border-color:var(--border-strong);}
.thumb{
  position:relative;
  height:132px;
  overflow:hidden;
}
.thumb img{width:100%;height:100%;object-fit:cover;}
.thumb.tone-cyan{background:radial-gradient(120% 140% at 20% 0%, rgba(79,232,222,.22), var(--bg-elevated-2));}
.thumb.tone-purple{background:radial-gradient(120% 140% at 80% 0%, rgba(182,124,242,.24), var(--bg-elevated-2));}
.card-body{
  padding:16px 18px 18px;
  display:flex;
  flex-direction:column;
  gap:9px;
  flex:1;
}
.card-eyebrow{
  font-size:.66rem;
  text-transform:uppercase;
  color:var(--purple);
}
.thumb.tone-cyan + .card-body .card-eyebrow{color:var(--cyan);}
.card h3{
  font-size:1.06rem;
  line-height:1.32;
  font-weight:600;
  color:var(--text);
}
.card-dek{
  font-size:.86rem;
  line-height:1.5;
  color:var(--text-dim);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:auto;
  padding-top:10px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:.72rem;
  color:var(--text-faint);
}
.read-link{color:var(--cyan);font-weight:600;font-size:.78rem;}

.paginacao{
  grid-column:1 / -1;
  display:flex;
  justify-content:center;
  gap:14px;
  margin-top:12px;
}
.paginacao a{
  padding:10px 18px;
  border-radius:999px;
  border:1px solid var(--border);
  font-size:.85rem;
  font-weight:600;
  color:var(--text-dim);
}
.paginacao a:hover{color:var(--text);border-color:var(--border-strong);}

/* ---------- Sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;align-self:start;height:fit-content;max-height:calc(100vh - 116px);overflow-y:auto;scrollbar-width:none;}
.sidebar::-webkit-scrollbar{display:none;}
.widget{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:16px;
  padding:20px;
}
.widget h2{
  font-family:'Manrope',sans-serif;
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--text-dim);
  font-weight:700;
  margin-bottom:14px;
}
.cat-list li{
  display:flex;
  justify-content:space-between;
  padding:9px 0;
  border-top:1px solid var(--border);
  font-size:.88rem;
}
.cat-list li:first-child{border-top:none;}
.cat-list a{color:var(--text-dim);transition:color .15s;}
.cat-list a:hover,.cat-list a.active{color:var(--text);}

/* ---------- Artigo ---------- */
.article-head{
  margin:8px 0 28px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.article-head h1{
  font-size:2.1rem;
  line-height:1.22;
  color:var(--text);
}
.article-dek{
  font-size:1.05rem;
  line-height:1.55;
  color:var(--text-dim);
}
.article-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:.8rem;
  color:var(--text-faint);
}
.article-cover{
  width:100%;
  max-height:420px;
  object-fit:cover;
  border-radius:18px;
  border:1px solid var(--border);
  margin-bottom:8px;
}
.article-creditos{font-size:.72rem;color:var(--text-faint);margin-top:-4px;}
.article-body{
  max-width:68ch;
  font-size:1.02rem;
  line-height:1.75;
  color:var(--text);
  display:flex;
  flex-direction:column;
  gap:18px;
}
.article-body h2{font-size:1.4rem;margin-top:8px;}
.article-body h3{font-size:1.18rem;margin-top:4px;}
.article-body ul,.article-body ol{padding-left:1.3em;list-style:disc;display:flex;flex-direction:column;gap:8px;}
.article-body ol{list-style:decimal;}
.article-body blockquote{
  margin:0;
  padding:4px 0 4px 18px;
  border-left:3px solid var(--cyan);
  color:var(--text-dim);
  font-style:italic;
}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.article-fonte{
  margin-top:32px;
  padding-top:20px;
  border-top:1px solid var(--border);
  font-size:.85rem;
  color:var(--text-dim);
}
.article-fonte a{color:var(--cyan);font-weight:600;}
.article-col{display:flex;flex-direction:column;gap:24px;}

/* ---------- Footer ---------- */
footer{margin-top:52px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  padding-top:26px;
  border-top:1px solid var(--border);
  font-size:.8rem;
  color:var(--text-faint);
}
.social{display:flex;gap:10px;}

@media (max-width:900px){
  .layout{grid-template-columns:1fr;}
  .sidebar{position:static;max-height:none;overflow:visible;}
  .ad-sidebar{aspect-ratio:auto;min-height:250px;max-width:300px;margin:0 auto;}
}
@media (max-width:640px){
  .page{padding:0 16px 48px;}
  .nav{padding:14px 16px;margin:0 -16px;}
  .navlinks{display:none;}
  .hero{padding:40px 24px;}
  .hero h1{font-size:1.9rem;}
  .feed{grid-template-columns:1fr;}
  .ad-top,.ad-footer{min-height:50px;}
  .article-head h1{font-size:1.6rem;}
}