/* CAMPOSGRAV — camada do site.
   O design system (_ds/.../styles.css) traz tokens e componentes; aqui ficam
   os padrões de página: cabeçalho fixo, hero, fundo de circuito quântico,
   seções numeradas, banda de estatísticas, linha do tempo e responsivo.

   MEDIDAS FLUIDAS: largura do conteúdo, respiros e tamanhos de texto crescem
   com a janela (clamp + vw + rem). É isso que faz o site acompanhar o
   dispositivo em vez de ficar pequeno no meio de um monitor grande. */

:root {
  /* Largura do conteúdo: 1200px num notebook, até 1520px num monitor grande. */
  --wrap: clamp(1200px, 76vw, 1520px);
  --wrap-narrow: clamp(860px, 54vw, 1100px);
  --header-h: clamp(64px, 44px + 3.4vw, 92px);
  --sec-pad: clamp(64px, 5.5vw, 128px);
  --read-width: clamp(68ch, 66vw, 118ch);
  --read-width-wide: clamp(76ch, 72vw, 132ch);
}

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body { overflow-x: hidden; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding-inline: clamp(16px, 3vw, 48px); }
.wrap-narrow { width: 100%; max-width: var(--wrap-narrow); margin: 0 auto; padding-inline: clamp(16px, 3vw, 48px); }

/* Texto corrido: leitura confortável em todas as páginas.
   Títulos, botões, menus, estatísticas e rótulos mantêm alinhamento próprio. */
.qc-page :where(
  .hero-lede,
  .frente-body,
  .numbered-desc,
  .block-body p,
  .card-body,
  .person-bio,
  .tl-item p,
  .footer-desc,
  .footer-col p,
  .text-muted
) {
  text-align: justify;
  text-justify: inter-word;
  overflow-wrap: anywhere;
  hyphens: auto;
}

.qc-page :where(
  .hero-lede,
  .block-body p,
  .card-body,
  .person-bio,
  .tl-item p,
  .text-muted
) {
  max-width: min(100%, var(--read-width));
}

.qc-page :where(
  .card-title,
  .pub-title,
  .person-name,
  .tl-title,
  .frente-title,
  .numbered-summary .t
) {
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.qc-page :where(.btn, .tag, .badge-live, .count-badge, .stat-label, .stat-num, .sec-link, .doi) {
  text-align: initial;
  hyphens: manual;
}

/* ══════════════════════════════════════════════════════════════════
   Fundo decorativo — circuito quântico + partículas
   Duas camadas fixas de baixíssima opacidade. Nunca competem com o
   conteúdo: ficam atrás de tudo e não capturam ponteiro.
   ══════════════════════════════════════════════════════════════════ */
.qc-bg { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }

.qc-bg::before {
  content: ''; position: absolute; inset: -10% -10% -10% -10%;
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='480' height='360' viewBox='0 0 480 360' fill='none' stroke='%23F59E0B' stroke-width='1'><path d='M0 60H480M0 130H480M0 210H480M0 290H480'/><path d='M96 60V130M300 130V290M204 210V290M396 60V210'/><circle cx='96' cy='60' r='4' fill='%23F59E0B' stroke='none'/><circle cx='300' cy='130' r='4' fill='%23F59E0B' stroke='none'/><circle cx='204' cy='290' r='4' fill='%23F59E0B' stroke='none'/><circle cx='396' cy='210' r='4' fill='%23F59E0B' stroke='none'/><circle cx='96' cy='130' r='9'/><path d='M87 130H105M96 121V139'/><circle cx='396' cy='60' r='9'/><path d='M387 60H405M396 51V69'/><rect x='48' y='48' width='24' height='24' rx='3'/><rect x='168' y='118' width='24' height='24' rx='3'/><rect x='288' y='278' width='24' height='24' rx='3'/><rect x='420' y='198' width='24' height='24' rx='3'/><rect x='348' y='48' width='30' height='24' rx='3'/><path d='M354 66a9 9 0 0 1 18 0M363 66l8-8'/><rect x='108' y='198' width='30' height='24' rx='3'/><path d='M114 216a9 9 0 0 1 18 0M123 216l8-8'/><text x='54' y='66' font-family='monospace' font-size='15' fill='%23F59E0B' stroke='none'>H</text><text x='174' y='136' font-family='monospace' font-size='15' fill='%23F59E0B' stroke='none'>X</text><text x='294' y='296' font-family='monospace' font-size='15' fill='%23F59E0B' stroke='none'>H</text><text x='426' y='216' font-family='monospace' font-size='15' fill='%23F59E0B' stroke='none'>Z</text></svg>");
  background-repeat: repeat;
  opacity: 0.032;
  animation: qc-drift 150s linear infinite;
}

.qc-bg::after {
  content: ''; position: absolute; inset: -10%;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 22%, var(--color-accent), transparent),
    radial-gradient(1.4px 1.4px at 68% 14%, var(--color-accent-2), transparent),
    radial-gradient(1.8px 1.8px at 34% 68%, var(--color-gold), transparent),
    radial-gradient(1.3px 1.3px at 84% 52%, var(--color-accent), transparent),
    radial-gradient(1.5px 1.5px at 52% 88%, var(--color-accent-2), transparent),
    radial-gradient(1.2px 1.2px at 92% 80%, var(--color-gold), transparent),
    radial-gradient(1.4px 1.4px at 8% 78%, var(--color-accent), transparent);
  background-size: 620px 520px;
  background-repeat: repeat;
  opacity: 0.5;
  animation: qc-float 90s ease-in-out infinite alternate;
}

@keyframes qc-drift { to { background-position: 480px 360px; } }
@keyframes qc-float {
  from { transform: translate3d(0, 0, 0); }
  to   { transform: translate3d(-28px, -42px, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .qc-bg::before, .qc-bg::after { animation: none; }
}

/* Todo conteúdo fica acima do fundo decorativo. */
.qc-page { position: relative; z-index: 1; min-height: 100vh; display: flex; flex-direction: column; }
.qc-main { flex: 1; }

/* ══════════════════════════════════════════════════════════════════
   Cabeçalho fixo
   ══════════════════════════════════════════════════════════════════ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  height: var(--header-h);
  display: flex; align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .28s ease, border-color .28s ease, backdrop-filter .28s ease;
}
body.qc-scrolled .site-header,
body.qc-menu-open .site-header {
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(14px);
  border-bottom-color: color-mix(in srgb, var(--color-accent) 16%, transparent);
}

.site-header .wrap { display: flex; align-items: center; gap: var(--space-4); }

.brand { display: flex; align-items: center; gap: 0.6em; text-decoration: none; color: inherit; margin-right: auto; }
.brand img { height: clamp(30px, 2.2vw, 46px); width: auto; }
.brand-name { font-family: var(--font-display); font-size: 1.25rem; letter-spacing: 0.04em; }

.site-nav { display: flex; align-items: center; gap: clamp(16px, 1.6vw, 34px); }
.site-nav a {
  color: color-mix(in srgb, var(--color-text) 80%, transparent);
  text-decoration: none; font-size: 0.906rem; position: relative; padding: 4px 0;
  transition: color .18s ease;
}
.site-nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px;
  background: var(--color-accent); transform: scaleX(0); transform-origin: left;
  transition: transform .22s ease;
}
.site-nav a:hover { color: var(--color-accent-200); }
.site-nav a:hover::after, .site-nav a[aria-current='page']::after { transform: scaleX(1); }
.site-nav a[aria-current='page'] { color: var(--color-accent); }

.header-tools { display: flex; align-items: center; gap: var(--space-3); }

/* Alternador de idioma em pílula */
.lang-toggle {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 0.25em; border-radius: var(--radius-pill);
  border: 1px solid color-mix(in srgb, var(--color-accent) 34%, transparent);
  background: color-mix(in srgb, var(--color-bg) 55%, transparent);
}
.lang-toggle button {
  font-family: var(--font-mono); font-size: 0.656rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.45em 1em; border-radius: var(--radius-pill);
  border: 0; background: transparent; cursor: pointer;
  color: color-mix(in srgb, var(--color-text) 62%, transparent);
  transition: background-color .18s ease, color .18s ease;
}
.lang-toggle button:hover { color: var(--color-accent-200); }
.lang-toggle button[aria-pressed='true'] { background: var(--color-accent); color: #1A0E02; }

/* Hambúrguer — só aparece no mobile */
.menu-btn {
  display: none; width: 2.6em; height: 2.6em; padding: 0;
  align-items: center; justify-content: center;
  border-radius: var(--radius-pill); cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--color-accent) 34%, transparent);
  background: color-mix(in srgb, var(--color-bg) 55%, transparent);
}
.menu-btn span {
  display: block; position: relative; width: 17px; height: 1.5px;
  background: var(--color-accent); border-radius: 2px;
  transition: background-color .2s ease, transform .2s ease;
}
.menu-btn span::before, .menu-btn span::after {
  content: ''; position: absolute; left: 0; width: 17px; height: 1.5px;
  background: var(--color-accent); border-radius: 2px; transition: transform .2s ease;
}
.menu-btn span::before { top: -5.5px; }
.menu-btn span::after { top: 5.5px; }
body.qc-menu-open .menu-btn span { background: transparent; }
body.qc-menu-open .menu-btn span::before { transform: translateY(5.5px) rotate(45deg); }
body.qc-menu-open .menu-btn span::after { transform: translateY(-5.5px) rotate(-45deg); }

/* ══════════════════════════════════════════════════════════════════
   Hero — brilho de disco de acreção no topo de cada página
   ══════════════════════════════════════════════════════════════════ */
.hero { position: relative; padding-top: calc(var(--header-h) + clamp(32px, 4vw, 80px)); overflow: hidden; }
.hero::before {
  content: ''; position: absolute; z-index: -1;
  left: 50%; top: -420px; transform: translateX(-50%);
  width: min(1600px, 150vw); height: clamp(720px, 62vw, 980px);
  background:
    radial-gradient(closest-side, color-mix(in srgb, var(--color-accent) 11%, transparent), transparent 70%),
    radial-gradient(closest-side, color-mix(in srgb, var(--color-ember) 15%, transparent), transparent 80%);
  filter: blur(18px);
  pointer-events: none;
}
/* toque de vermelho-brasa nas bordas do brilho */
.hero::after {
  content: ''; position: absolute; z-index: -1; inset: 0;
  background: radial-gradient(80% 55% at 50% -10%, transparent 44%, color-mix(in srgb, #7F1D1D 9%, transparent) 70%, transparent 84%);
  pointer-events: none;
}

.hero-home {
  text-align: center;
  padding-bottom: clamp(48px, 5vw, 104px);
}
.hero-page { padding-bottom: clamp(40px, 4vw, 80px); }

.hero-home-grid {
  display: block;
}

.hero-home-grid > .hero-copy:first-child {
  align-self: auto;
}

.hero-home-grid > .hero-copy:last-child {
  grid-column: auto;
  grid-row: auto;
  align-self: auto;
}

.hero-copy {
  max-width: none;
}

.hero-visual {
  position: relative;
  display: inline-block;
  grid-column: auto;
  grid-row: auto;
  justify-self: auto;
  padding: 0;
  border-left: 0;
}

.hero-visual::before {
  display: none;
}

.eyebrow {
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--color-accent); margin: 0 0 var(--space-4);
}

/* Logo em destaque na primeira dobra. A arte já vem com fundo transparente;
   o halo âmbar por baixo é só para assentá-la no fundo escuro. */
.hero-logo {
  position: relative;
  display: inline-block;
  width: min(76vw, clamp(260px, 30vw, 520px));
  margin-bottom: clamp(16px, 2vw, 36px);
}
.hero-logo::before {
  content: ''; position: absolute; inset: -18% -10%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--color-ember) 20%, transparent), transparent 74%);
  filter: blur(30px); z-index: -1;
}
.hero-logo img { width: min(88vw, clamp(300px, 40vw, 800px)); height: auto; }
.hero-black-hole {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
  overflow: hidden;
  background: transparent;
}

.hero-title { margin: 0 0 var(--space-4); }
.hero-home .hero-title {
  position: static;
  max-width: none;
  transform: none;
  text-shadow: none;
}
.hero-home .hero-title::after {
  display: none;
}
.hero-lede {
  font-size: clamp(1rem, 0.92rem + 0.22vw, 1.125rem);
  line-height: 1.75;
  max-width: min(100%, var(--read-width));
  color: color-mix(in srgb, var(--color-text) 76%, transparent);
  margin: 0 auto var(--space-6);
}
.hero-page .hero-lede {
  max-width: min(100%, var(--read-width-wide));
  margin-inline: 0;
}

.pill-row { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-6); }
.hero-home .pill-row { justify-content: center; }

.hero-topic-rail {
  max-width: none;
  padding-top: 0;
  border-top: 0;
}

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.hero-home .btn-row { justify-content: center; }

.hero-note {
  font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.14em;
  text-transform: uppercase; margin: var(--space-6) 0 0;
  color: color-mix(in srgb, var(--color-text) 46%, transparent);
}

/* ══════════════════════════════════════════════════════════════════
   Seções
   ══════════════════════════════════════════════════════════════════ */
.sec { padding: var(--sec-pad) 0; }
.sec-tight { padding: calc(var(--sec-pad) * 0.6) 0; }

.sec-head { margin-bottom: clamp(24px, 2.6vw, 52px); }
.sec-head h2 { margin: 0; }
.sec-head-row {
  display: flex; justify-content: space-between; align-items: flex-end;
  flex-wrap: wrap; gap: var(--space-4); margin-bottom: clamp(24px, 2.6vw, 52px);
}
.sec-head-row h2 { margin: 0; }

.sec-link {
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  text-decoration: none; color: var(--color-accent); white-space: nowrap;
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 34%, transparent);
  padding-bottom: 3px; transition: border-color .18s ease, color .18s ease;
}
.sec-link:hover { color: var(--color-accent-200); border-bottom-color: var(--color-accent); }

/* Ornamento |Ψ⟩ */
.psi {
  font-family: var(--font-mono); color: var(--color-accent);
  opacity: 0.55; font-size: 0.5em; vertical-align: 0.35em; margin-left: 0.4em;
  letter-spacing: 0;
}

.grid { display: grid; gap: clamp(16px, 1.6vw, 32px); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(clamp(280px, 22vw, 360px), 1fr)); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(clamp(320px, 26vw, 440px), 1fr)); }
.contact-grid {
  align-items: start;
  column-gap: clamp(56px, 7vw, 132px);
  row-gap: clamp(32px, 5vw, 72px);
}

/* "Três frentes": os itens ficam ao longo de uma trajetória curva (como luz
   defletida por uma massa), com o número como marca d'água atrás do título —
   de propósito, não usa o componente .card genérico (evita repetir a mesma
   grade de cartões que já aparece em publicações e equipe nesta seção de
   abertura). */
.frentes-orbit {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: clamp(20px, 3vw, 48px);
}
.frentes-orbit-path {
  position: absolute;
  inset: -8px 0 auto 0;
  width: 100%;
  height: calc(100% + 16px);
  overflow: visible;
  pointer-events: none;
  z-index: 0;
}
.frentes-orbit-path path {
  fill: none;
  stroke: color-mix(in srgb, var(--color-accent) 38%, transparent);
  stroke-width: 1.5;
  stroke-dasharray: 2 7;
  stroke-linecap: round;
}
.frentes-orbit-mass {
  fill: var(--color-accent);
  opacity: 0.75;
  filter: drop-shadow(0 0 6px var(--color-accent));
}

.frente-node { position: relative; z-index: 1; }
.frente-node:nth-of-type(2) { margin-top: clamp(28px, 3.6vw, 64px); }
.frente-node:nth-of-type(3) { margin-top: clamp(6px, 0.9vw, 16px); }

.frente-node::before {
  content: '';
  display: block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 16%, transparent),
              0 0 10px color-mix(in srgb, var(--color-accent) 55%, transparent);
  margin-bottom: clamp(16px, 2vw, 26px);
}

.frente-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(48px, 5vw, 72px);
  line-height: 1;
  color: color-mix(in srgb, var(--color-accent) 16%, transparent);
  margin: 0 0 -0.32em 0;
  user-select: none;
}
.frente-title {
  position: relative;
  font-family: var(--font-display); font-weight: var(--font-heading-weight);
  font-size: 1.3125rem; line-height: 1.25; margin: 0 0 var(--space-3);
}
.frente-body {
  margin: 0; font-size: 0.9rem; line-height: 1.65;
  color: color-mix(in srgb, var(--color-text) 74%, transparent);
  max-width: 34ch;
}

/* Número pequeno em âmbar monoespaçado ao lado do título em serifa. */
.num {
  font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 500;
  letter-spacing: 0.16em; color: var(--color-accent);
  display: block; margin-bottom: var(--space-3);
}

/* ══════════════════════════════════════════════════════════════════
   Banda de estatísticas
   ══════════════════════════════════════════════════════════════════ */
.stat-band {
  position: relative;
  background:
    radial-gradient(900px 420px at 82% -30%, color-mix(in srgb, var(--color-section-glow) 55%, transparent), transparent 66%),
    radial-gradient(700px 340px at 8% 120%, color-mix(in srgb, var(--color-ember) 22%, transparent), transparent 62%),
    var(--color-section);
  border-block: 1px solid color-mix(in srgb, var(--color-accent) 16%, transparent);
  padding: clamp(28px, 3vw, 64px) 0;
}
.stat-grid {
  display: grid;
  grid-template-columns: 1.35fr repeat(2, minmax(120px, 1fr));
  gap: var(--space-6);
  align-items: end;
}
.stat-grid > div {
  padding-left: clamp(16px, 2vw, 32px);
  border-left: 1px solid color-mix(in srgb, var(--color-accent) 16%, transparent);
}
.stat-grid > div:first-child {
  padding-left: 0;
  border-left: 0;
}
.stat-num {
  font-family: var(--font-display); font-size: clamp(2.35rem, 1.4rem + 2.2vw, 4rem);
  line-height: 1; margin: 0 0 var(--space-2);
}
.stat-label {
  font-family: var(--font-mono); font-size: 0.656rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; margin: 0;
  color: color-mix(in srgb, var(--color-text) 62%, transparent);
}

/* Barra de estatísticas compacta (páginas internas) */
.stat-strip {
  display: flex; flex-wrap: wrap; gap: var(--space-6) clamp(32px, 4vw, 72px);
  padding: var(--space-6) 0;
  border-block: 1px solid var(--color-divider);
}
.stat-strip div { min-width: 120px; }
.stat-strip .stat-num { font-size: clamp(1.6rem, 1.1rem + 1.1vw, 2.4rem); }

/* ══════════════════════════════════════════════════════════════════
   Lista numerada (linhas de pesquisa)
   ══════════════════════════════════════════════════════════════════ */
.numbered { display: grid; grid-template-columns: repeat(auto-fit, minmax(clamp(340px, 28vw, 480px), 1fr)); gap: 0 clamp(32px, 4vw, 72px); }

/* Item vira <details>: clicar revela uma frase explicando o termo — glossário
   embutido, útil porque vários títulos (gravidade bumblebee, defeitos topológicos,
   monopolo global...) não são autoexplicativos para quem não é da área. */
.numbered-item {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: border-color .2s ease;
}
.numbered-item:hover { border-bottom-color: color-mix(in srgb, var(--color-accent) 45%, transparent); }
.numbered-summary {
  display: flex; gap: var(--space-4); align-items: baseline;
  cursor: pointer;
  list-style: none;
}
.numbered-summary::-webkit-details-marker { display: none; }
.numbered-summary::after {
  content: '+';
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono); font-size: 0.85rem;
  color: var(--color-accent); opacity: 0.55;
  transition: transform .25s ease, opacity .2s ease;
}
.numbered-item[open] .numbered-summary::after { transform: rotate(45deg); opacity: 0.9; }
.numbered-item .n {
  font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.12em;
  color: var(--color-accent); flex: none;
}
.numbered-item .t { font-size: 0.969rem; line-height: 1.55; }
.numbered-desc {
  margin: var(--space-2) 0 0;
  padding-left: clamp(28px, 3vw, 40px);
  max-width: 52ch;
  font-size: 0.86rem; line-height: 1.6;
  color: color-mix(in srgb, var(--color-text) 66%, transparent);
}

.numbered-home {
  grid-template-columns: 0.9fr 1.1fr;
  column-gap: clamp(48px, 7vw, 132px);
}
.numbered-home .numbered-item:nth-child(odd) {
  transform: translateY(clamp(0px, 1.4vw, 18px));
}

/* ══════════════════════════════════════════════════════════════════
   Blocos numerados (página Sobre) — rótulo à esquerda, texto à direita
   ══════════════════════════════════════════════════════════════════ */
.block {
  display: grid; grid-template-columns: clamp(180px, 16vw, 300px) 1fr;
  gap: clamp(24px, 3vw, 64px);
  padding: clamp(28px, 3vw, 56px) 0;
  border-top: 1px solid var(--color-divider);
}
.block:last-child { border-bottom: 1px solid var(--color-divider); }
.block-label .num { margin-bottom: var(--space-2); }
.block-label h6 { color: color-mix(in srgb, var(--color-text) 50%, transparent); }
.block-body h3 { margin-bottom: var(--space-4); }
.block-body p {
  color: color-mix(in srgb, var(--color-text) 76%, transparent);
  max-width: min(100%, var(--read-width-wide));
}

/* ══════════════════════════════════════════════════════════════════
   Projetos
   ══════════════════════════════════════════════════════════════════ */
.badge-live {
  display: inline-flex; align-items: center; gap: 0.55em; align-self: flex-start;
  font-family: var(--font-mono); font-size: 0.625rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 0.4em 1em; border-radius: var(--radius-pill);
  color: var(--color-accent-200);
  background: color-mix(in srgb, var(--color-accent-900) 60%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, transparent);
}
.badge-live::before {
  content: ''; width: 0.5em; height: 0.5em; border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 8px var(--color-accent);
  animation: qc-pulse 2.4s ease-in-out infinite;
}
@keyframes qc-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
@media (prefers-reduced-motion: reduce) { .badge-live::before { animation: none; } }

.proj-foot {
  display: flex; flex-wrap: wrap; gap: var(--space-6);
  margin-top: var(--space-4); padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}
.proj-foot dt {
  font-family: var(--font-mono); font-size: 0.625rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 44%, transparent);
  margin-bottom: 3px;
}
.proj-foot dd { margin: 0; font-size: 0.844rem; color: color-mix(in srgb, var(--color-text) 80%, transparent); }

/* ══════════════════════════════════════════════════════════════════
   Publicações
   ══════════════════════════════════════════════════════════════════ */
.search-row { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; margin-bottom: clamp(24px, 2.6vw, 52px); }
.search-row .input { flex: 1 1 340px; }
.search-count {
  font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.14em;
  text-transform: uppercase; white-space: nowrap;
  color: color-mix(in srgb, var(--color-text) 46%, transparent);
}
.empty-note {
  padding: var(--space-8) 0; text-align: center;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
/* De onde veio a lista de publicações (INSPIRE-HEP, manual ou reserva). */
.source-note {
  font-family: var(--font-mono); font-size: 0.625rem; letter-spacing: 0.14em;
  text-transform: uppercase; margin: 0 0 var(--space-6);
  color: color-mix(in srgb, var(--color-text) 38%, transparent);
}

.year-group { margin-bottom: clamp(32px, 3vw, 64px); }
.year-head {
  display: flex; align-items: baseline; gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.year-head .y { font-family: var(--font-display); font-size: clamp(2.1rem, 1.4rem + 1.6vw, 3.2rem); line-height: 1; }
.year-head .rule { flex: 1; height: 1px; background: var(--color-divider); }

.pub {
  display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-4);
  align-items: flex-start; justify-content: space-between;
  padding: var(--space-4) var(--space-4) var(--space-4) 0;
  border-bottom: 1px solid var(--color-divider);
  transition: background-color .2s ease, padding-left .2s ease;
}
.pub:hover { background: color-mix(in srgb, var(--color-accent) 4%, transparent); padding-left: var(--space-4); }
.pub-main { flex: 1 1 460px; min-width: 0; }
.pub-title { font-family: var(--font-display); font-size: 1.1875rem; line-height: 1.3; margin: 0 0 var(--space-2); }
.pub-authors { font-size: 0.875rem; margin: 0; color: color-mix(in srgb, var(--color-text) 62%, transparent); }
.pub-side { display: flex; align-items: center; gap: var(--space-3); flex: none; }

.doi {
  font-family: var(--font-mono); font-size: 0.656rem; letter-spacing: 0.12em;
  text-transform: uppercase; text-decoration: none; white-space: nowrap;
  color: var(--color-accent);
}
.doi:hover { color: var(--color-accent-200); }

/* Prévia de publicações na Home: linha do tempo tipográfica (ano grande em
   serifa) em vez do grid de cards genérico — o ano reforça o mesmo motivo
   de numeral grande usado em "Três frentes", em vez de repetir o cartão
   escuro já usado em outras seções. */
.pub-preview-list { display: flex; flex-direction: column; }
.pub-preview-row {
  display: flex; align-items: center; gap: clamp(20px, 3vw, 40px);
  padding: clamp(18px, 2vw, 26px) 0;
  border-bottom: 1px solid var(--color-divider);
  text-decoration: none; color: inherit;
  transition: background-color .2s ease, padding-left .2s ease;
}
.pub-preview-row:first-child { padding-top: 0; }
.pub-preview-row:hover {
  background: color-mix(in srgb, var(--color-accent) 4%, transparent);
  padding-left: var(--space-4);
}
.pub-preview-year {
  flex: none;
  width: clamp(60px, 6vw, 88px);
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 1.3rem + 1.4vw, 2.75rem);
  line-height: 1;
  color: color-mix(in srgb, var(--color-accent) 55%, transparent);
}
.pub-preview-main { flex: 1; min-width: 0; }
.pub-preview-main .pub-title { margin: 0 0 var(--space-2); }
.pub-preview-main .pub-authors { margin: 0; }
.pub-preview-tag { flex: none; }

/* ══════════════════════════════════════════════════════════════════
   Equipe
   ══════════════════════════════════════════════════════════════════ */
.avatar-stack { display: flex; padding-left: 12px; }
.avatar-stack .av { margin-left: -12px; }
.avatar-stack .team-avatar-photo { margin-left: -12px; }
.team-avatar-photo {
  width: 2.9em;
  height: 2.9em;
  border-radius: 50%;
  flex: none;
  object-fit: cover;
  object-position: center;
  border: 1px solid color-mix(in srgb, var(--color-accent) 46%, transparent);
  background: color-mix(in srgb, var(--color-section) 76%, transparent);
  box-shadow: 0 0 0 3px var(--color-bg);
}
.team-avatar-photo:first-child { margin-left: 0; }
.av {
  width: 2.9em; height: 2.9em; border-radius: 50%; flex: none;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 0.94rem;
  background: linear-gradient(145deg, var(--color-accent-800), var(--color-accent-900));
  color: var(--color-accent-200);
  border: 1px solid color-mix(in srgb, var(--color-accent) 34%, transparent);
  box-shadow: 0 0 0 3px var(--color-bg);
}
.av-lg { width: 3.2em; height: 3.2em; font-size: 1.5rem; box-shadow: none; }

.team-preview {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr);
  align-items: center;
  gap: clamp(18px, 3vw, 48px);
  max-width: 760px;
  padding: clamp(20px, 3vw, 44px) 0;
  border-block: 1px solid var(--color-divider);
}
.team-preview-text p {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1vw, 2.25rem);
}
/* Linha de texto corrida (como antes), só com os números em destaque —
   mantém compacto e não força os avatares a se realinharem verticalmente. */
.team-preview-text .team-breakdown {
  font-family: var(--font-mono);
  font-size: clamp(0.6875rem, 0.62rem + 0.3vw, 0.8125rem);
  font-weight: 500;
  line-height: 1.9;
  margin: var(--space-3) 0 0;
  color: color-mix(in srgb, var(--color-text) 58%, transparent);
  max-width: 48ch;
}
.team-breakdown-item b {
  font-weight: 700;
  color: var(--color-accent);
}
.team-breakdown-item:not(:first-child)::before {
  content: ' · ';
  color: color-mix(in srgb, var(--color-text) 38%, transparent);
}

.person { display: flex; gap: var(--space-4); align-items: flex-start; }
.person-photo {
  width: clamp(84px, 7vw, 112px);
  aspect-ratio: 1;
  height: auto;
  flex: none;
  object-fit: cover;
  object-position: center;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 26%, transparent);
  background: color-mix(in srgb, var(--color-section) 76%, transparent);
}
.person-body { min-width: 0; }
.person-name { font-family: var(--font-display); font-size: 1.25rem; margin: 0 0 4px; }
.person-role {
  font-family: var(--font-mono); font-size: 0.656rem; font-weight: 500;
  letter-spacing: 0.13em; text-transform: uppercase;
  color: var(--color-accent); margin: 0 0 var(--space-2);
}
.person-bio {
  font-size: 0.875rem; line-height: 1.6; margin: 0 0 var(--space-3);
  color: color-mix(in srgb, var(--color-text) 68%, transparent);
}
.people-group { margin-bottom: clamp(32px, 3vw, 64px); }
.people-head {
  display: flex; align-items: baseline; gap: var(--space-3);
  margin-bottom: var(--space-6); padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}
.people-head h3 { margin: 0; }

.count-badge {
  font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.14em;
  color: color-mix(in srgb, var(--color-text) 46%, transparent);
}

/* ══════════════════════════════════════════════════════════════════
   Linha do tempo (notícias e eventos)
   ══════════════════════════════════════════════════════════════════ */
.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(320px, 28vw, 520px), 1fr));
  gap: clamp(40px, 4vw, 80px) clamp(48px, 5vw, 96px);
  align-items: start;
}
.timeline::before {
  display: none;
}
.tl-item {
  position: relative;
  padding: 0 0 clamp(28px, 3vw, 56px) 34px;
  min-width: 0;
}
.tl-item::before {
  content: ''; position: absolute; left: 0; top: 9px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--color-bg);
  border: 1.5px solid var(--color-accent);
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-accent) 55%, transparent);
}
.tl-date {
  font-family: var(--font-mono); font-size: 0.656rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 52%, transparent);
}
.tl-head { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; margin-bottom: var(--space-2); }
.tl-title { font-family: var(--font-display); font-size: 1.375rem; margin: 0 0 var(--space-2); }
.tl-where {
  font-family: var(--font-mono); font-size: 0.656rem; letter-spacing: 0.12em;
  text-transform: uppercase; margin: var(--space-2) 0 0;
  color: color-mix(in srgb, var(--color-text) 46%, transparent);
}
.tl-media {
  display: block;
  width: min(100%, 300px);
  aspect-ratio: 4 / 5;
  margin: var(--space-3) 0 var(--space-4);
  border: 1px solid var(--color-divider);
  border-radius: 8px;
  overflow: hidden;
  background: color-mix(in srgb, var(--color-section) 76%, transparent);
}
.tl-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tl-link { display: inline-block; margin-top: var(--space-3); }

/* ══════════════════════════════════════════════════════════════════
   CTA + rodapé
   ══════════════════════════════════════════════════════════════════ */
.cta {
  background:
    radial-gradient(760px 320px at 88% 130%, color-mix(in srgb, var(--color-ember) 26%, transparent), transparent 64%),
    var(--color-surface);
  border-top: 1px solid color-mix(in srgb, var(--color-accent) 14%, transparent);
}
.cta-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--space-6); padding: clamp(48px, 4.5vw, 104px) 0;
}
.cta h2 { margin: 0; max-width: 20ch; }

.site-footer { border-top: 1px solid var(--color-divider); background: color-mix(in srgb, var(--color-bg-2) 90%, transparent); }
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1.1fr;
  gap: clamp(32px, 4vw, 72px);
  padding: clamp(40px, 4vw, 88px) 0 clamp(32px, 3vw, 64px);
}
.footer-brand { display: flex; align-items: center; gap: 0.6em; margin-bottom: var(--space-4); }
.footer-brand img { height: clamp(28px, 1.9vw, 40px); width: auto; }
.footer-brand span { font-family: var(--font-display); font-size: 1.125rem; letter-spacing: 0.04em; }
.footer-desc { font-size: 0.875rem; max-width: 34ch; margin: 0 0 var(--space-2); color: color-mix(in srgb, var(--color-text) 66%, transparent); }
.footer-affil {
  font-family: var(--font-mono); font-size: 0.656rem; letter-spacing: 0.14em;
  text-transform: uppercase; margin: 0;
  color: color-mix(in srgb, var(--color-text) 44%, transparent);
}
.footer-support-section {
  border-top: 1px solid var(--color-divider);
  padding: clamp(28px, 3vw, 46px) 0;
}
.support-section-head h6 { margin: 0 0 var(--space-3); color: var(--color-accent); }
.support-logos {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(22px, 3vw, 46px);
}
.support-logos img {
  width: clamp(104px, 9vw, 150px);
  height: clamp(58px, 5.8vw, 92px);
  object-fit: contain;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  filter: drop-shadow(0 0 12px rgba(255, 170, 0, 0.08));
}
.support-logos img.support-logo-ufpb {
  width: clamp(126px, 10.5vw, 176px);
  height: clamp(76px, 7vw, 112px);
}
.footer-col h6 { margin-bottom: var(--space-4); }
.footer-links { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a {
  font-size: 0.875rem; text-decoration: none;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
  transition: color .18s ease;
}
.footer-links a:hover { color: var(--color-accent); }
.footer-col p { font-size: 0.875rem; color: color-mix(in srgb, var(--color-text) 66%, transparent); }
.footer-bottom {
  border-top: 1px solid var(--color-divider);
  padding: var(--space-6) 0;
  font-family: var(--font-mono); font-size: 0.656rem; letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--color-text) 40%, transparent);
}

/* ══════════════════════════════════════════════════════════════════
   Animações de entrada ao rolar
   Só escondem quando o JS está ativo (html.qc-js) — sem JS, tudo aparece.
   ══════════════════════════════════════════════════════════════════ */
.qc-js .reveal { opacity: 0; transform: translateY(20px); }
.qc-js .reveal.qc-in {
  opacity: 1; transform: none;
  transition: opacity .7s cubic-bezier(.22,.68,.28,1), transform .7s cubic-bezier(.22,.68,.28,1);
}
@media (prefers-reduced-motion: reduce) {
  .qc-js .reveal { opacity: 1; transform: none; }
}

/* ══════════════════════════════════════════════════════════════════
   Responsivo
   ══════════════════════════════════════════════════════════════════ */
@media (max-width: 1000px) {
  .frentes-orbit {
    grid-template-columns: 1fr;
    row-gap: clamp(28px, 6vw, 44px);
  }
  .frentes-orbit-path { display: none; }
  .frente-node:nth-of-type(2),
  .frente-node:nth-of-type(3) {
    margin-top: 0;
  }
  .numbered-home {
    grid-template-columns: 1fr;
  }
  .numbered-home .numbered-item:nth-child(odd) {
    transform: none;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand-col { grid-column: 1 / -1; }
}

@media (max-width: 860px) {
  .menu-btn { display: inline-flex; }

  /* Gaveta do menu no mobile */
  .site-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: var(--space-4) var(--space-6) var(--space-8);
    background: color-mix(in srgb, var(--color-bg) 97%, transparent);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 18%, transparent);
    transform: translateY(-12px);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  body.qc-menu-open .site-nav {
    opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0);
  }
  .site-nav a {
    padding: var(--space-4) 0; font-size: 1.0625rem;
    border-bottom: 1px solid var(--color-divider);
  }
  .site-nav a::after { display: none; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-6) var(--space-4); }
  .stat-grid > div:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }
  .numbered { grid-template-columns: 1fr; }
  .block { grid-template-columns: 1fr; gap: var(--space-4); }
  .footer-grid { grid-template-columns: 1fr; }
  .pub-side { flex: 1 1 100%; }
  .pub-preview-row { flex-wrap: wrap; }
  .pub-preview-year { width: auto; font-size: 1.5rem; }
  .pub-preview-tag { flex: 1 1 100%; }
}

@media (max-width: 560px) {
  .brand-name { display: none; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .btn-row .btn { flex: 1 1 100%; }
  .team-preview {
    grid-template-columns: 1fr;
  }
  .person { flex-direction: column; gap: var(--space-3); }
  .person-photo { width: min(100%, 180px); }
  .timeline {
    grid-template-columns: 1fr;
    gap: clamp(28px, 8vw, 44px);
  }
  .tl-item { padding-left: 26px; }
  .tl-item::before { left: 0; }
}