/* ==========================================================================
   SPELL — Software Process and Education Lab (DCC/UFLA)
   Design System — css/style.css
   HTML5 semântico + CSS3 puro. Mobile-first. WCAG 2.1 AA.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Cores (identidade oficial — extraídas do logo do SPELL: chama teal,
     miolo dourado e wordmark verde) */
  --color-primary: #006982;    /* teal — contorno da chama do logo */
  --color-secondary: #407724;  /* verde — wordmark "Spell" (ajustado p/ contraste AA) */
  --color-accent: #EBB000;     /* dourado — miolo da chama (uso decorativo/realce) */
  --color-text: #0B2027;
  --color-bg: #F6FAFA;
  --color-surface: #FFFFFF;
  --color-border: #DCE8E8;

  /* Cores derivadas / semânticas */
  --color-primary-hover: #00596E;
  --color-primary-light: #39A4AF;  /* teal claro — gotas decorativas do logo */
  --color-hero-gradient-end: #0D7A8E;  /* stop mais escuro que --color-primary-light — garante contraste AA (4.5:1+) do texto branco no hero em toda a extensão do degradê */
  --color-secondary-hover: #35621E;
  --color-accent-dark: #8A6600;    /* variante escura do dourado, segura p/ texto pequeno */
  --color-text-muted: #52696D;
  --color-text-inverse: #F8FAFC;
  --color-success: #15803D;
  --color-danger: #B91C1C;
  --color-focus: #407724;
  --color-link: var(--color-secondary);

  /* Tipografia */
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.375rem;
  --fs-xl: 1.75rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 2.75rem;
  --lh-base: 1.6;
  --lh-tight: 1.25;

  /* Espaçamento */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;

  /* Bordas / sombras */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.15);

  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* Tema escuro — alternância via atributo data-theme no <html>, controlado por js/main.js
   Tons mais claros/saturados de teal e verde para manter contraste AA sobre fundo escuro;
   texto em botões passa a ser escuro (mais legível sobre cores vivas do que branco). */
[data-theme="dark"] {
  --color-primary: #39A4AF;
  --color-secondary: #7CC154;
  --color-accent: #EBB000;
  --color-text: #E6F1F1;
  --color-bg: #07171A;
  --color-surface: #0F2226;
  --color-border: #1B3236;
  --color-primary-hover: #4FB8C4;
  --color-primary-light: #6FC7D1;
  --color-hero-gradient-end: #6FC7D1;  /* no dark mode o texto do hero já é escuro (--color-text-inverse), então o degradê original mantém contraste AA */
  --color-secondary-hover: #93D06E;
  --color-accent-dark: #F5C542;
  --color-text-muted: #9FB8BC;
  --color-text-inverse: #071219;
  --color-focus: #7CC154;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.5);
  --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.6);
}

/* --------------------------------------------------------------------------
   2. RESET / BASE
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-main);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  transition: background-color var(--transition-base), color var(--transition-base);
}

img, picture, svg { max-width: 100%; display: block; }
img { height: auto; }

a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 2px;
}
a:hover { color: var(--color-secondary-hover); }

ul, ol { list-style: none; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

table { border-collapse: collapse; width: 100%; }

h1, h2, h3, h4, h5, h6 {
  line-height: var(--lh-tight);
  font-weight: 700;
  color: var(--color-text);
}

/* Foco visível — acessibilidade (WCAG 2.4.7) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-5);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
  text-decoration: none;
}
.skip-link:focus {
  left: 0;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   3. LAYOUT / CONTAINERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-8);
}

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-6);
}

.section-header .eyebrow {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.section-header h2 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--space-3);
}

.section-header p {
  color: var(--color-text-muted);
  font-size: var(--fs-md);
}

.section-alt {
  background-color: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   4. BOTÕES
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--fs-base);
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover { background-color: var(--color-primary-hover); color: var(--color-text-inverse); }

.btn-secondary {
  background-color: transparent;
  border-color: var(--color-surface);
  color: var(--color-text-inverse);
}
.btn-secondary:hover { background-color: rgba(255,255,255,0.12); color: var(--color-text-inverse); }

.btn-outline {
  background-color: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background-color: var(--color-primary); color: var(--color-text-inverse); }

.btn-block { width: 100%; }

/* --------------------------------------------------------------------------
   5. HEADER / NAVEGAÇÃO
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  flex-shrink: 0;
}

.brand img {
  height: 40px;
  width: auto;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-text strong {
  font-size: var(--fs-md);
  font-weight: 800;
  color: var(--color-primary);
}
.brand-text span {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* Navegação principal */
.main-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background-color: var(--color-surface);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  border-top: 1px solid var(--color-border);
}
.main-nav.is-open { transform: translateX(0); }

.nav-list {
  display: flex;
  flex-direction: column;
  padding: var(--space-4);
}

.nav-list a {
  display: block;
  padding: var(--space-4) var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}
.nav-list a:hover,
.nav-list a[aria-current="page"] {
  color: var(--color-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Botão hamburguer */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
}
.nav-toggle:hover { background-color: var(--color-bg); }

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Alternador de tema */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  font-size: var(--fs-md);
}
.theme-toggle:hover { background-color: var(--color-bg); }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: inline; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

@media (min-width: 768px) {
  .nav-toggle { display: none; }

  .main-nav {
    position: static;
    inset: auto;
    transform: none;
    background: none;
    border-top: none;
    overflow: visible;
  }

  .nav-list {
    flex-direction: row;
    padding: 0;
    gap: var(--space-5);
  }

  .nav-list a {
    padding: var(--space-2) 0;
    border-bottom: none;
    position: relative;
  }

  .nav-list a::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 2px;
    background-color: var(--color-secondary);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
  }
  .nav-list a:hover::after,
  .nav-list a[aria-current="page"]::after {
    transform: scaleX(1);
  }
}

/* --------------------------------------------------------------------------
   6. HERO
   -------------------------------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-hero-gradient-end) 100%);
  color: var(--color-text-inverse);
  padding-block: var(--space-8);
}

.hero-inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

.hero-content h1 {
  font-size: var(--fs-3xl);
  margin-bottom: var(--space-4);
  color: var(--color-text-inverse);
}

.hero-content p {
  font-size: var(--fs-md);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-6);
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.2fr 1fr; }
}

/* --------------------------------------------------------------------------
   7. CARDS — PILARES
   -------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .card-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 900px) {
  .card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
}

.pillar-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.pillar-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.pillar-card .pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--color-secondary) 15%, transparent);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-xl);
  margin-bottom: var(--space-4);
}

.pillar-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
}

.pillar-card p {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   8. MÉTRICAS
   -------------------------------------------------------------------------- */
.metrics-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(2, 1fr);
  text-align: center;
}

@media (min-width: 640px) {
  .metrics-grid { grid-template-columns: repeat(3, 1fr); }
}

.metric-item .metric-number {
  font-size: var(--fs-3xl);
  font-weight: 800;
  color: var(--color-primary);
  display: block;
  font-variant-numeric: tabular-nums;
}

.metric-item .metric-label {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* --------------------------------------------------------------------------
   9. SEMINÁRIOS — FEED
   -------------------------------------------------------------------------- */
.seminar-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.seminar-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.seminar-date {
  flex-shrink: 0;
  width: 64px;
  text-align: center;
  /* Dourado do miolo da chama do logo — texto escuro garante contraste AA */
  background-color: var(--color-accent);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: var(--space-2);
}
.seminar-date .day { display: block; font-size: var(--fs-lg); font-weight: 800; line-height: 1; }
.seminar-date .month { display: block; font-size: var(--fs-xs); text-transform: uppercase; }

.seminar-info h3 { font-size: var(--fs-md); margin-bottom: var(--space-1); }
.seminar-info p { color: var(--color-text-muted); font-size: var(--fs-sm); }
.seminar-info .seminar-meta {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-2);
  font-size: var(--fs-xs);
  color: var(--color-secondary);
}

/* --------------------------------------------------------------------------
   10. RODAPÉ INSTITUCIONAL
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-text);
  color: var(--color-text-inverse);
  padding-block: var(--space-7) var(--space-5);
  margin-top: var(--space-8);
}

[data-theme="dark"] .site-footer {
  background-color: #05070C;
}

.footer-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.footer-brand p {
  color: rgba(248,250,252,0.75);
  margin-top: var(--space-3);
  max-width: 45ch;
}

.footer-brand strong {
  color: rgba(248,250,252,0.6);
}

.footer-col h3 {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(248,250,252,0.6);
  margin-bottom: var(--space-3);
}

.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a {
  color: rgba(248,250,252,0.85);
  text-decoration: none;
}
.footer-col a:hover { color: var(--color-text-inverse); text-decoration: underline; }

.footer-institutions {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(248,250,252,0.15);
}

.footer-institutions img {
  height: 48px;
  width: auto;
  opacity: 0.9;
}

.footer-institutions-text {
  font-size: var(--fs-sm);
  color: rgba(248,250,252,0.75);
  border-left: 1px solid rgba(248,250,252,0.25);
  padding-left: var(--space-4);
}

.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(248,250,252,0.15);
  font-size: var(--fs-xs);
  color: rgba(248,250,252,0.6);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   11. PUBLICAÇÕES — BUSCA, FILTROS E LISTA
   -------------------------------------------------------------------------- */
.publications-toolbar,
.filter-toolbar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .publications-toolbar,
  .filter-toolbar { flex-direction: row; align-items: flex-end; }
}

.search-field {
  flex: 2;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.filter-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field-label {
  font-size: var(--fs-sm);
  font-weight: 600;
}

.search-input-wrap {
  position: relative;
}

.search-input-wrap svg {
  position: absolute;
  left: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
}

input[type="text"],
input[type="search"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg);
  color: var(--color-text);
}

.search-input-wrap input { padding-left: 2.5rem; }

input:focus, select:focus, textarea:focus {
  border-color: var(--color-secondary);
}

.results-count {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.results-count strong { color: var(--color-text); }

.publication-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.publication-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.publication-card .pub-type {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-secondary);
  background-color: color-mix(in srgb, var(--color-secondary) 12%, transparent);
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  margin-bottom: var(--space-2);
}

.publication-card h3 {
  font-size: var(--fs-md);
  margin-bottom: var(--space-2);
}

.publication-card .pub-authors {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-1);
}

.publication-card .pub-venue {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  font-style: italic;
  margin-bottom: var(--space-3);
}

.publication-card .pub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.pub-actions button,
.pub-actions a {
  font-size: var(--fs-sm);
  font-weight: 600;
  text-decoration: none;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.pub-actions button:hover,
.pub-actions a:hover { text-decoration: underline; }

.bibtex-block {
  display: none;
  margin-top: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-bg);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-sm);
  font-family: 'Courier New', monospace;
  font-size: var(--fs-xs);
  white-space: pre-wrap;
  word-break: break-word;
}
.bibtex-block.is-visible { display: block; }

.empty-state {
  text-align: center;
  padding: var(--space-7) var(--space-4);
  color: var(--color-text-muted);
}
.empty-state[hidden] { display: none; }

/* --------------------------------------------------------------------------
   12. FORMULÁRIOS (contato / junte-se)
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  gap: var(--space-4);
}

.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-group label {
  font-weight: 600;
  font-size: var(--fs-sm);
}

.required-mark { color: var(--color-danger); }

.form-error {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  display: none;
}
.form-group.has-error input,
.form-group.has-error select,
.form-group.has-error textarea {
  border-color: var(--color-danger);
}
.form-group.has-error .form-error { display: block; }

.form-status {
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
  display: none;
}
.form-status.is-success {
  display: block;
  background-color: color-mix(in srgb, var(--color-success) 12%, transparent);
  color: var(--color-success);
}
.form-status.is-error {
  display: block;
  background-color: color-mix(in srgb, var(--color-danger) 12%, transparent);
  color: var(--color-danger);
}
.form-status.is-pending {
  display: block;
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   13. SOBRE — VALORES E SELO OFICIAL
   -------------------------------------------------------------------------- */
.value-card {
  text-align: center;
}
.value-card .pillar-icon {
  margin-inline: auto;
}
.value-card h3 {
  font-size: var(--fs-md);
}

.brand-showcase {
  display: flex;
  justify-content: flex-start;
  margin-block: var(--space-6);
}

.brand-showcase img {
  width: 100%;
  max-width: 340px;
  height: auto;
}

.official-badge {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-5);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.official-badge .badge-icon {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: color-mix(in srgb, var(--color-accent) 20%, transparent);
  color: var(--color-accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-2xl);
}

.official-badge h3 { margin-bottom: var(--space-2); }
.official-badge p { color: var(--color-text-muted); margin-bottom: var(--space-3); }

/* --------------------------------------------------------------------------
   14. PROJETOS — ÁREAS E FICHAS
   -------------------------------------------------------------------------- */
.project-area {
  margin-bottom: var(--space-8);
}

.project-area-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 2px solid var(--color-border);
}

.project-area-header h2 {
  font-size: var(--fs-xl);
}

.project-area-header .area-count {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.15rem 0.75rem;
}

/* .projects-grid é o CONTAINER (id="projects-grid") usado como raiz de busca
   pelo JS (initProjectsPage em js/main.js); o layout em grade de cada área
   fica em .project-cards-grid, para não confundir id x classe. */
.project-cards-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .project-cards-grid { grid-template-columns: repeat(2, 1fr); }
}

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}

.project-card h3 {
  font-size: var(--fs-md);
  margin: var(--space-2) 0 var(--space-3);
}

.project-card .project-summary {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.project-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-3);
}

.project-meta dt {
  font-weight: 600;
  display: inline;
}
.project-meta dd {
  display: inline;
  margin: 0;
  color: var(--color-text-muted);
}
.project-meta div + div { margin-top: var(--space-1); }

/* --------------------------------------------------------------------------
   15. EQUIPE — CARDS DE MEMBROS
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-8);
}
@media (min-width: 560px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .team-grid { grid-template-columns: repeat(3, 1fr); }
}

.team-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  text-align: center;
}

.avatar-placeholder {
  width: 88px;
  height: 88px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  font-weight: 800;
  color: var(--color-text-inverse);
  background-color: var(--color-primary);
}
.avatar-placeholder.tone-secondary { background-color: var(--color-secondary); }
.avatar-placeholder.tone-accent { background-color: var(--color-accent); color: var(--color-text); }
.avatar-placeholder.tone-primary-light { background-color: var(--color-primary-light); }

.team-avatar {
  width: 88px;
  height: 88px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.team-card h3 { font-size: var(--fs-md); margin-bottom: var(--space-1); }
.team-card .team-role {
  font-size: var(--fs-sm);
  color: var(--color-secondary);
  font-weight: 600;
  margin-bottom: var(--space-3);
}
.team-card .team-bio {
  color: var(--color-text-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-4);
}

.team-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-size: var(--fs-xs);
}
.team-links a { font-weight: 600; text-decoration: none; }
.team-links a:hover { text-decoration: underline; }

.team-section-title {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   16. RECURSOS — VITRINE
   -------------------------------------------------------------------------- */
.resource-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-6);
}
@media (min-width: 800px) {
  .resource-card { flex-direction: row; align-items: center; }
}

.resource-card .resource-visual {
  flex-shrink: 0;
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1;
  margin-inline: auto;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}
@media (min-width: 800px) {
  .resource-card .resource-visual { margin-inline: 0; }
}

.resource-card .resource-content h2,
.resource-card .resource-content h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
}

.resource-card .resource-content p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.resource-card .resource-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.resource-tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.resource-tag-list li {
  font-size: var(--fs-xs);
  font-weight: 600;
  background-color: color-mix(in srgb, var(--color-secondary) 12%, transparent);
  color: var(--color-secondary-hover);
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
}

/* --------------------------------------------------------------------------
   17. SEMINÁRIOS — TABELA E ACERVO
   -------------------------------------------------------------------------- */
.schedule-banner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
}
.schedule-banner .schedule-icon { font-size: var(--fs-2xl); }
.schedule-banner strong { display: block; }
.schedule-banner span { color: var(--color-text-muted); font-size: var(--fs-sm); }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-7);
}

.seminars-table {
  width: 100%;
  min-width: 560px;
}
.seminars-table th,
.seminars-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--fs-sm);
}
.seminars-table thead th {
  background-color: var(--color-surface);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}
.seminars-table tbody tr:last-child td { border-bottom: none; }
.seminars-table tbody tr:hover { background-color: var(--color-bg); }

.archive-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.archive-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
}
.archive-item .archive-title { font-weight: 600; }
.archive-item .archive-date { font-size: var(--fs-sm); color: var(--color-text-muted); }

/* --------------------------------------------------------------------------
   18. JUNTE-SE — TRILHAS DE INGRESSO
   -------------------------------------------------------------------------- */
.pathway-card .pathway-steps {
  margin-top: var(--space-3);
  padding-left: var(--space-5);
  list-style: decimal;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.pathway-card .pathway-steps li { padding-left: var(--space-1); }

/* --------------------------------------------------------------------------
   19. CONTATO — INFORMAÇÕES E FORMULÁRIO
   -------------------------------------------------------------------------- */
.contact-layout {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .contact-layout { grid-template-columns: 1fr 1.4fr; }
}

.contact-info-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  height: fit-content;
}

.contact-info-item {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.contact-info-item:last-child { margin-bottom: 0; }
.contact-info-item .contact-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background-color: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-md);
}
.contact-info-item h3 { font-size: var(--fs-base); margin-bottom: var(--space-1); }
.contact-info-item p { color: var(--color-text-muted); font-size: var(--fs-sm); }

.contact-form-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   20. UTILITÁRIOS
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mb-4 { margin-bottom: var(--space-4); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* --------------------------------------------------------------------------
   21. NUVEM DE PALAVRAS (HOME)
   -------------------------------------------------------------------------- */
.word-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: var(--space-4) var(--space-5);
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

.cloud-word {
  line-height: 1.25;
  transition: color 0.15s ease;
}

.cloud-word--xl { font-size: var(--fs-3xl); font-weight: 800; }
.cloud-word--lg { font-size: var(--fs-2xl); font-weight: 700; }
.cloud-word--md { font-size: var(--fs-xl); font-weight: 700; }
.cloud-word--sm { font-size: var(--fs-lg); font-weight: 600; }

.cloud-word--primary { color: var(--color-primary); }
.cloud-word--secondary { color: var(--color-secondary); }
.cloud-word--accent { color: var(--color-accent-dark); }

@media (max-width: 600px) {
  .cloud-word--xl { font-size: var(--fs-2xl); }
  .cloud-word--lg { font-size: var(--fs-xl); }
  .cloud-word--md { font-size: var(--fs-lg); }
  .cloud-word--sm { font-size: var(--fs-md); }
}

/* --------------------------------------------------------------------------
   22. BASE DE CONHECIMENTO
   -------------------------------------------------------------------------- */
.kb-toc {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
}
.kb-toc a {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}
.kb-toc a:hover {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.kb-category {
  margin-bottom: var(--space-8);
  scroll-margin-top: var(--space-8);
}
.kb-category h2 {
  font-size: var(--fs-xl);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-2);
  border-bottom: 2px solid var(--color-border);
}

.kb-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-4);
}

.kb-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-1);
}
.kb-card-head h3 {
  font-size: var(--fs-md);
}

.kb-type {
  flex-shrink: 0;
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}

.kb-meta {
  font-size: var(--fs-sm);
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.kb-card .resource-tag-list { margin-bottom: var(--space-3); }

.kb-card p:not(.kb-meta) {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.kb-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.kb-card-placeholder {
  border-style: dashed;
  background-color: transparent;
}

/* --------------------------------------------------------------------------
   23. NOTÍCIAS — GRID (HOME E PÁGINA DE NOTÍCIAS)
   -------------------------------------------------------------------------- */
.news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}
@media (min-width: 700px) {
  .news-grid { grid-template-columns: repeat(3, 1fr); }
}

.news-card {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  scroll-margin-top: calc(var(--header-height) + var(--space-4));
}

.news-card-img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-4);
}

/* Cards compactos (home): resumo limitado a 3 linhas para manter os
   3 cards com altura parecida, mesmo com textos de tamanhos diferentes. */
#news-grid-home .news-card p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-date {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-secondary);
  margin-bottom: var(--space-2);
}

.news-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--space-3);
}

.news-card p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.news-links-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  padding-left: var(--space-4);
}
.news-links-list li { font-size: var(--fs-sm); }
.news-links-list a {
  color: var(--color-primary);
  text-decoration: none;
}
.news-links-list a:hover { text-decoration: underline; }

.news-link {
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   24. NAV — SUBMENUS SUSPENSOS (DROPDOWNS)
   -------------------------------------------------------------------------- */
/* Mobile / padrão: o botão de grupo se comporta como os demais links de
   .nav-list, e o submenu abre como acordeão embutido, empurrando o conteúdo
   abaixo dele — sem posicionamento absoluto. */
.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-4) var(--space-2);
  background: none;
  border: none;
  border-bottom: 1px solid var(--color-border);
  font: inherit;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  text-align: left;
}
.nav-dropdown-toggle:hover { color: var(--color-secondary); }

.nav-dropdown.has-active > .nav-dropdown-toggle { color: var(--color-secondary); }

.nav-caret {
  font-size: 0.8em;
  transition: transform var(--transition-fast);
}
.nav-dropdown.is-open > .nav-dropdown-toggle .nav-caret {
  transform: rotate(-180deg);
}

.nav-dropdown-menu {
  display: none;
  flex-direction: column;
  padding-left: var(--space-4);
}
.nav-dropdown.is-open > .nav-dropdown-menu {
  display: flex;
}

.nav-dropdown-menu a {
  display: block;
  padding: var(--space-3) var(--space-2);
  text-decoration: none;
  color: var(--color-text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--color-border);
}
.nav-dropdown-menu a:hover,
.nav-dropdown-menu a[aria-current="page"] {
  color: var(--color-secondary);
}

@media (min-width: 768px) {
  /* Desktop: o botão de grupo passa a se parecer com um link comum da
     .nav-list, e o submenu vira um painel flutuante posicionado sob ele. */
  .nav-dropdown {
    position: relative;
  }

  .nav-dropdown-toggle {
    width: auto;
    padding: var(--space-2) 0;
    border-bottom: none;
    position: relative;
  }
  .nav-dropdown-toggle::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -4px;
    height: 2px;
    background-color: var(--color-secondary);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
  }
  .nav-dropdown-toggle:hover::after,
  .nav-dropdown.has-active > .nav-dropdown-toggle::after {
    transform: scaleX(1);
  }

  .nav-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-3));
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-2);
    z-index: 20;
  }

  .nav-dropdown-menu a {
    border-bottom: none;
    border-radius: var(--radius-sm);
    padding: var(--space-3);
  }
  .nav-dropdown-menu a:hover,
  .nav-dropdown-menu a[aria-current="page"] {
    background-color: var(--color-bg);
  }
}
.news-link:hover { text-decoration: underline; }
