/* ====================== MATÉRIA — perfil ====================== */
html { scroll-behavior: smooth; }
body { background: var(--ground); }

/* atmosfera consistente com a entrada */
.field-vignette { position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(130% 90% at 50% 30%, transparent 42%, var(--ground-deep) 100%); }

/* constelação de versões: campo em profundidade; algumas versões sobem e afundam */
.materia-field { position: fixed; inset: 0; z-index: 0; pointer-events: none; display: block; }

.frame { position: fixed; inset: 0; z-index: 30; pointer-events: none; }
.frame .corner { position: absolute; width: 16px; height: 16px; border: 1px solid var(--line); }
.frame .tl { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.frame .tr { top: 14px; right: 14px; border-left: 0; border-bottom: 0; }
.frame .bl { bottom: 14px; left: 14px; border-right: 0; border-top: 0; }
.frame .br { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }

.top { position: fixed; top: 0; left: 0; right: 0; z-index: 32;
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem clamp(1.6rem, 4vw, 3rem); pointer-events: none; }
.top .grp { display: flex; align-items: center; gap: 0.7rem; pointer-events: auto; }
.top a.home { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; color: var(--ink-mute); text-transform: uppercase; transition: color var(--fast); }
.top a.home:hover { color: var(--sun); }
.top .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--sun); box-shadow: 0 0 10px 1px var(--sun-glow); animation: breathe 5.2s var(--ease-in-out) infinite; }
@keyframes breathe { 0%,100% { opacity: .55; transform: scale(.85);} 50% { opacity: 1; transform: scale(1.12);} }
.top b { font-family: var(--serif); font-weight: 500; font-size: 0.96rem; }

main { position: relative; z-index: 10; }
.wrap { max-width: 1140px; margin: 0 auto; padding-inline: clamp(1.6rem, 5vw, 4.5rem); }

/* revelar */
.reveal { transition: opacity 1s var(--ease), transform 1s var(--ease); }
body.cloak .reveal:not(.in) { opacity: 0; transform: translateY(24px); }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }

/* ---- hero ----
   as regras genéricas (.hero, .hero h1, .hero h1 em) são escopadas ao mundo:
   a travessia acumula o CSS dos mundos e o <body data-mundo> muda a cada
   chegada; sem o escopo, o grid do herói da Matéria vazava para o .hero de
   outros mundos (ex.: Margem) quando se navegava daqui pra lá. */
[data-mundo="materia"] .hero { min-height: 100vh; display: grid; grid-template-columns: 1.08fr 0.92fr; gap: clamp(2rem, 5vw, 5rem);
  align-items: center; padding-block: clamp(6rem, 14vh, 9rem) clamp(3rem, 8vh, 5rem); }
.hero__eyebrow { display: flex; align-items: center; gap: 1.1rem; margin-bottom: 2rem; flex-wrap: wrap; }
.hero__eyebrow .tick { width: 3rem; height: 1px; background: var(--line-soft); }
[data-mundo="materia"] .hero h1 { font-family: var(--serif); font-weight: 300; letter-spacing: -0.02em;
  font-size: clamp(2.6rem, 6.5vw, 5.4rem); line-height: 0.94; }
[data-mundo="materia"] .hero h1 em { font-style: italic; color: var(--sun); display: block; font-size: 0.52em; line-height: 1.05; margin-top: 0.7rem; color: var(--ink-soft); }
[data-mundo="materia"] .hero h1 em b { color: var(--sun); font-style: italic; font-weight: 400; }
.hero__lead { margin-top: 2.2rem; max-width: 48ch; font-size: clamp(1.05rem, 1.5vw, 1.28rem); color: var(--ink-soft); line-height: 1.62; }
.hero__lead b { color: var(--ink); font-weight: 500; }
.hero__lead em { font-style: italic; color: var(--ink); }
.hero__meta { margin-top: 2.6rem; display: flex; gap: 2.4rem 3rem; flex-wrap: wrap; }
.hero__meta div { display: grid; gap: 0.4rem; }
.hero__meta .k { font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.18em; text-transform: uppercase; color: var(--ink-mute); }
.hero__meta .v { font-family: var(--serif); font-size: 1.02rem; color: var(--ink); }
.hero__meta .v a { color: var(--sun); transition: color var(--fast); }
.hero__meta .v a:hover { color: var(--ink); }
.hero__meta .v.small { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em; color: var(--ink-soft); }

/* retrato — capado em 16rem (~38% menor que a largura da coluna do grid) e ancorado à direita */
.portrait { position: relative; width: 18.5rem; max-width: 100%; margin-inline-start: auto; }
.portrait__slot { position: relative; aspect-ratio: 4/5; border: 1px solid var(--line-faint); overflow: hidden; background: var(--ground-deep); }
.portrait picture,
.portrait img { display: block; width: 100%; height: 100%; }
/* revelação de quarto escuro: chega cinza e desfocado, resolve para a cor quente */
.portrait img { object-fit: cover; filter: none; transform: scale(1);
  transition: filter 1.6s var(--ease), transform 1.6s var(--ease); }
html.js .portrait.reveal:not(.in) img { filter: grayscale(1) brightness(0.8); transform: scale(1.05); }
.portrait__slot::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(165deg, oklch(0.83 0.135 72 / 0.16), transparent 42%, oklch(0.6 0.16 248 / 0.12));
  mix-blend-mode: soft-light; opacity: 0; transition: opacity 1.1s var(--ease);
}
.portrait:hover img { transform: scale(1.015); }
.portrait:hover .portrait__slot::after { opacity: 1; }
.portrait:hover .portrait__cap .vg { color: var(--sun); }
.portrait__cap .vg { transition: color var(--base); }
@media (prefers-reduced-motion: reduce) {
  .portrait img, .portrait:hover img { transition: none; transform: none; }
}
.portrait__cap { margin-top: 0.9rem; display: flex; justify-content: space-between; gap: 1rem; font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.12em; color: var(--ink-mute); text-transform: uppercase; }
.portrait__cap .vg { color: var(--ice-soft); }
.portrait::before { content: ""; position: absolute; top: -1px; left: 0; width: 38%; height: 2px; background: linear-gradient(90deg, var(--sun), transparent); z-index: 4; transition: width 0.9s var(--ease); }
.portrait:hover::before { width: 100%; }

/* ---- banda: faces ---- */
.faces { padding-block: clamp(3rem, 8vh, 6rem); border-top: 1px solid var(--line-faint); }
/* antes um rótulo "§ ..."; agora uma linha discreta no lugar */
.faces__mark { width: 3rem; height: 1px; background: var(--line-soft); margin-bottom: 1.6rem; }
.faces__line { font-family: var(--serif); font-weight: 300; font-style: italic; font-size: clamp(1.6rem, 3.6vw, 2.9rem); line-height: 1.18; letter-spacing: -0.01em; max-width: 24ch; }
.faces__line b { font-style: italic; color: var(--sun); font-weight: 400; }
.faces__sub { margin-top: 1.4rem; color: var(--ink-mute); font-size: 1.04rem; line-height: 1.5; max-width: 38ch; }
.faces__meta { margin-top: 2rem; display: inline-flex; gap: 1.6rem; flex-wrap: wrap; font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.1em; color: var(--ink-faint); text-transform: uppercase; }
.faces__meta b { color: var(--sun-soft); font-weight: 400; }

/* ---- capítulos (a matéria) ---- */
.chapters {
  --chapter-gap: clamp(3rem, 7vh, 5rem);
  padding-block: clamp(2rem, 6vh, 4rem) clamp(3rem, 9vh, 6rem);
  display: grid;
  gap: var(--chapter-gap);
}
.chapter { position: relative; display: grid; grid-template-columns: 13rem minmax(0, 62ch); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
.chapter:not(:last-child)::before {
  content: "";
  position: absolute;
  top: 0.32rem;
  bottom: calc(-1 * var(--chapter-gap) - 0.32rem);
  left: 0.24rem;
  width: 1px;
  background: linear-gradient(var(--sun), var(--sun-soft));
  opacity: 0.55;
  box-shadow: 0 0 8px var(--sun-glow);
}
.chapter::after {
  content: "";
  position: absolute;
  top: 0.14rem;
  left: 0;
  width: 0.54rem;
  height: 0.54rem;
  border-radius: 50%;
  border: 1px solid var(--sun);
  background: var(--ground);
  box-shadow: 0 0 8px var(--sun-glow);
}
.chapter__mark { position: sticky; top: 5.5rem; display: grid; gap: 0.7rem; align-content: start; padding-left: 1.35rem; }
.chapter__mark .s { font-family: var(--mono); font-size: 0.84rem; letter-spacing: 0.14em; color: var(--sun-soft); }
.chapter__mark .ix { font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.16em; color: var(--ink-faint); text-transform: uppercase; }
.chapter__mark .ln { width: 2.2rem; height: 1px; background: var(--line-soft); }
.chapter__body p { color: var(--ink-soft); font-size: clamp(1.04rem, 1.4vw, 1.18rem); line-height: 1.72; max-width: 62ch; text-wrap: pretty; }
.chapter__body p + p { margin-top: 1.3rem; }
.chapter__body p b { color: var(--ink); font-weight: 500; }
.chapter__body p em { font-style: italic; color: var(--ink); }
.chapter--seal .chapter__body p { font-family: var(--serif); }

/* ---- assinatura / nav ---- */
.sign { padding-block: clamp(2.4rem, 6vh, 4rem); border-top: 1px solid var(--line-faint); }
.sign__q { font-family: var(--serif); font-style: italic; font-size: clamp(1.3rem, 2.4vw, 2rem); line-height: 1.32; color: var(--ink); max-width: 30ch; }
.sign__q b { font-style: normal; color: var(--sun); font-weight: 400; }
.sign__by { margin-top: 1.8rem; font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.1em; color: var(--ink-mute); }
.sign__by a { color: var(--sun); }
.pager { margin-top: 3rem; padding-top: 1.6rem; border-top: 1px solid var(--line-faint); display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap; }
.pager a { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 0.55rem; transition: color var(--base), gap var(--base); }
.pager a:hover { color: var(--sun); }
.pager a.next:hover { gap: 0.85rem; }
.pager .sigtxt { font-family: var(--mono); font-size: var(--meta-size); letter-spacing: 0.14em; color: var(--ink-faint); text-transform: uppercase; }

@media (max-width: 880px) {
  [data-mundo="materia"] .hero { grid-template-columns: 1fr; min-height: auto; }
  .portrait { width: auto; max-width: 22rem; margin-inline: 0; }
  .chapter { grid-template-columns: 1fr; gap: 1rem; }
  .chapter__mark { position: static; flex-direction: row; }
}

/* ---- logo de fundo (canto inferior esquerdo, fixo) ---- */
.logo-bg {
  position: fixed; bottom: 5%; left: 3%; right: auto;
  width: clamp(8vw, 9.6vw, 12.6vw);
  opacity: 0.045; pointer-events: none; z-index: 2;
  user-select: none; -webkit-user-select: none;
}
/* ---- nav global ---- */
.obs-top {
  position: fixed; top: 0; left: 0; right: 0; z-index: 32;
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem clamp(1.4rem, 3.5vw, 2.6rem);
  background: oklch(0.19 0.014 257 / 0.8);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line-faint);
}
.obs-top .grp { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: inherit; }
.obs-top { transition: background 0.5s var(--ease); }
.obs-top.scrolling { background: oklch(0.19 0.014 257 / 0.25); }
.logo-mark { height: 48px; width: auto; display: block; opacity: 0.9; flex-shrink: 0; }
.logo-mark--sm { height: 20px; width: auto; display: block; opacity: 0.5; flex-shrink: 0; }
.obs-top b { font-family: var(--serif); font-weight: 500; font-size: 0.96rem; text-transform: uppercase; letter-spacing: 0.06em; }
.obs-nav { display: flex; align-items: center; gap: clamp(0.6rem, 1.2vw, 1.2rem); }
.obs-nav__link { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); transition: color 0.18s; white-space: nowrap; text-decoration: none; }
.obs-nav__link:hover { color: var(--ink-soft); text-decoration: underline; text-decoration-color: var(--sun); text-underline-offset: 4px; text-decoration-thickness: 1px; }
.obs-nav__link.active { color: var(--ink-soft); text-decoration: underline; text-decoration-color: var(--sun); text-underline-offset: 4px; text-decoration-thickness: 1px; }
.obs-nav__link[href="digital-artisan.html"] { color: var(--sun); }
@media (max-width: 860px) {
  .obs-top { flex-wrap: wrap; }
  .obs-nav { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 0.4rem; scrollbar-width: none; }
  .obs-nav::-webkit-scrollbar { display: none; }
}
.obs-top .site-name { display: flex; flex-direction: column; justify-content: space-between; height: 48px; font-family: var(--mono); font-weight: 300; font-size: 0.60rem; letter-spacing: 0.15em; text-transform: uppercase; line-height: 1; gap: 0; }

/* ====================== ajustes v2: nuvem de versões ====================== */
/* as versões não são estatística — são vozes de tamanhos diferentes */
.faces__nuvem {
  margin-top: clamp(2rem, 5vh, 3.2rem);
  display: flex; align-items: baseline; justify-content: flex-start;
  gap: 0.7rem clamp(1.4rem, 3.2vw, 2.6rem); flex-wrap: wrap; max-width: 40ch;
  font-family: var(--serif); font-style: italic; font-weight: 300; color: var(--ink-mute);
}
.faces__nuvem span { position: relative; cursor: default; transition: color 0.4s var(--ease), text-shadow 0.4s var(--ease), transform 0.4s var(--ease); }
.faces__nuvem span::before {
  content: ""; position: absolute; left: -0.85rem; top: 50%; width: 3px; height: 3px; border-radius: 50%;
  background: var(--sun-soft); opacity: 0.5; transform: translateY(-50%);
}
.faces__nuvem span:first-child::before { display: none; }
.faces__nuvem span:hover { color: var(--sun); text-shadow: 0 0 24px var(--sun-glow); transform: translateY(-2px); }
/* mesmo peso para todas as versões — nenhuma vale mais que a outra */
.faces__nuvem .v1, .faces__nuvem .v2, .faces__nuvem .v3,
.faces__nuvem .v4, .faces__nuvem .v5 {
  font-size: clamp(1.3rem, 2.4vw, 1.9rem); color: var(--ink-soft);
}
