/* Página de artigo do blog de Tecnologia — leitura longa.
   O conteúdo está no HTML (visível sem JS); o motor entra por opacidade
   (nunca a abertura de 4.2s — ver o guard data-artigo em lente-foco.js). */
#field { position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: 0; animation: campoEntra 1.6s var(--ease) 0.15s forwards; }
@keyframes campoEntra { to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { #field { animation: none; opacity: 1; } }
.field-vignette { position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(130% 90% at 50% 20%, transparent 46%, var(--ground-deep) 100%); }

/* topo: marca + voltar */
.artigo-top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 32;
  display: flex; justify-content: space-between; align-items: center;
  padding: calc(0.8rem + env(safe-area-inset-top)) clamp(1.4rem, 4vw, 2.6rem) 0.8rem;
  background: linear-gradient(180deg, var(--ground) 12%, oklch(0.185 0.012 256 / 0.6) 60%, transparent);
}
.artigo-top .grp { display: inline-flex; align-items: center; gap: 0.6rem; min-height: 44px; text-decoration: none; color: inherit; }
.artigo-top .dot {
  width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
  background: var(--sun); box-shadow: 0 0 10px 1px var(--sun-glow);
  animation: obsBreathe 5.2s var(--ease-in-out) infinite;
}
.artigo-top .voltar {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-mute); text-decoration: none;
  min-height: 44px; display: inline-flex; align-items: center;
}
.artigo-top .voltar:hover { color: var(--sun); }

/* corpo do artigo */
.artigo {
  position: relative; z-index: 4; max-width: 68ch;
  margin: 0 auto; padding: clamp(6rem, 14vh, 9rem) clamp(1.5rem, 6vw, 2rem) 6rem;
}
.artigo__meta {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--sun-soft);
  display: flex; gap: 0.9rem; flex-wrap: wrap; align-items: baseline;
}
.artigo__meta .sep { color: var(--ink-faint); }
.artigo__meta .data, .artigo__meta .leitura { color: var(--ink-faint); }
.artigo h1 {
  font-family: var(--serif); font-weight: 300; font-style: italic;
  font-size: clamp(2.2rem, 5.5vw, 3.6rem); line-height: 1.05; letter-spacing: -0.02em;
  color: var(--ink); margin: 1.2rem 0 0;
}
.artigo__lead {
  font-family: var(--serif); font-style: italic; color: var(--ink-soft);
  font-size: clamp(1.1rem, 1.7vw, 1.32rem); line-height: 1.5; margin-top: 1.4rem;
  max-width: 52ch;
}
.artigo__corpo { margin-top: clamp(2.4rem, 6vh, 3.6rem); }
.artigo__corpo p {
  font-family: var(--serif); font-size: clamp(1.02rem, 1.4vw, 1.15rem);
  line-height: 1.72; color: var(--ink-soft); margin: 0 0 1.4rem; text-wrap: pretty;
}
.artigo__corpo h2 {
  font-family: var(--serif); font-weight: 400; font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  color: var(--ink); margin: 2.6rem 0 1rem; letter-spacing: -0.01em;
}
.artigo__corpo em { color: var(--sun); font-style: italic; }
.artigo__corpo b { color: var(--ink); font-weight: 500; }
.artigo__corpo a { color: var(--sun); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--sun-soft); }
.artigo__corpo code {
  font-family: var(--mono); font-size: 0.88em; color: var(--ice-soft);
  background: var(--ground-deep); padding: 0.1em 0.35em; border-radius: 3px;
}
.artigo__corpo pre {
  font-family: var(--mono); font-size: clamp(0.78rem, 1vw, 0.9rem); line-height: 1.6;
  background: oklch(0.16 0.014 256 / 0.7); border: 1px solid var(--line-faint);
  border-radius: 5px; padding: clamp(1rem, 2.5vw, 1.4rem); overflow-x: auto;
  margin: 0 0 1.6rem; color: var(--ink-soft);
}
.artigo__corpo pre code { background: none; padding: 0; color: inherit; font-size: 1em; }
.artigo__corpo blockquote {
  border-left: 2px solid var(--sun-soft); padding-left: 1.2rem; margin: 0 0 1.6rem;
  font-family: var(--serif); font-style: italic; color: var(--ink-soft);
}

/* rodapé do artigo */
.artigo__foot {
  margin-top: clamp(3rem, 8vh, 5rem); padding-top: 1.6rem;
  border-top: 1px solid var(--line-faint);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem;
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-mute);
}
.artigo__foot a { color: var(--ink-mute); text-decoration: none; }
.artigo__foot a:hover { color: var(--sun); }