/* =========================================================================
   Minicurso 1 do SBSeg 2026
   Inteligência Artificial aplicada à Resposta a Incidentes
   Folha de estilo única. Sem framework, sem build.
   ========================================================================= */

/* -------------------------------------------------------------------------
   1. Tokens
   ------------------------------------------------------------------------- */

:root {
  /* Neutros */
  --bg: #f6f8fa;
  --bg-alt: #eef1f5;
  --surface: #ffffff;
  --surface-2: #f2f4f8;
  --border: #dde2ea;
  --border-strong: #c3ccd8;
  --text: #131a22;
  --text-muted: #4f5b6a;

  /* Primária */
  --primary: #0c4a6b;
  --primary-hover: #073650;
  --primary-soft: #e2eef6;
  --primary-contrast: #ffffff;

  /* Acentos dos três estudos de caso */
  --ec1: #0a6b60;
  --ec1-bg: #d9f2ee;
  --ec1-fg: #075047;

  --ec2: #96570a;
  --ec2-bg: #fbeed4;
  --ec2-fg: #7a4506;

  --ec3: #5c34a0;
  --ec3-bg: #ebe1fb;
  --ec3-fg: #4a2782;

  /* Sinalização */
  --warn-bg: #fdf3d8;
  --warn-border: #e5b93f;
  --warn-fg: #6b4a05;

  /* Sombras */
  --shadow-sm: 0 1px 2px rgba(19, 26, 34, 0.06),
               0 1px 3px rgba(19, 26, 34, 0.05);
  --shadow-md: 0 2px 6px rgba(19, 26, 34, 0.07),
               0 8px 24px rgba(19, 26, 34, 0.07);

  /* Tipografia */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono",
               Menlo, Consolas, "Liberation Mono", monospace;

  --fs-hero: clamp(2.15rem, 1.35rem + 3.4vw, 3.5rem);
  --fs-h2: clamp(1.6rem, 1.24rem + 1.5vw, 2.2rem);
  --fs-h3: clamp(1.2rem, 1.1rem + 0.45vw, 1.4rem);
  --fs-lead: clamp(1.12rem, 1.04rem + 0.4vw, 1.3rem);
  --fs-body: 1.0625rem;
  --fs-sm: 1rem; /* piso do site: nenhum texto de conteúdo abaixo de 16px */

  /* Espaçamento */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;

  /* Formas */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --wrap: 1160px;
  --prose: 68ch;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1218;
    --bg-alt: #111820;
    --surface: #161e27;
    --surface-2: #1c2631;
    --border: #2a3543;
    --border-strong: #3b4859;
    --text: #e7edf4;
    --text-muted: #a2b0c0;

    --primary: #64b9e4;
    --primary-hover: #8fcfef;
    --primary-soft: #12293a;
    --primary-contrast: #06121b;

    --ec1: #4fd8c4;
    --ec1-bg: #0c352f;
    --ec1-fg: #7fe6d6;

    --ec2: #f2be55;
    --ec2-bg: #3a2b0c;
    --ec2-fg: #f7d488;

    --ec3: #b494f5;
    --ec3-bg: #2b2145;
    --ec3-fg: #c9b1fa;

    --warn-bg: #38290a;
    --warn-border: #a37f1e;
    --warn-fg: #f2d68d;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.35),
                 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg: #0d1218;
  --bg-alt: #111820;
  --surface: #161e27;
  --surface-2: #1c2631;
  --border: #2a3543;
  --border-strong: #3b4859;
  --text: #e7edf4;
  --text-muted: #a2b0c0;

  --primary: #64b9e4;
  --primary-hover: #8fcfef;
  --primary-soft: #12293a;
  --primary-contrast: #06121b;

  --ec1: #4fd8c4;
  --ec1-bg: #0c352f;
  --ec1-fg: #7fe6d6;

  --ec2: #f2be55;
  --ec2-bg: #3a2b0c;
  --ec2-fg: #f7d488;

  --ec3: #b494f5;
  --ec3-bg: #2b2145;
  --ec3-fg: #c9b1fa;

  --warn-bg: #38290a;
  --warn-border: #a37f1e;
  --warn-fg: #f2d68d;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 2px 6px rgba(0, 0, 0, 0.35),
               0 10px 30px rgba(0, 0, 0, 0.35);
}

/* -------------------------------------------------------------------------
   2. Base
   ------------------------------------------------------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

/* O atributo hidden vem da folha do navegador e qualquer display declarado
   aqui o venceria, porque a origem do autor tem precedência sobre a do
   navegador. Como o catálogo esconde cartões, grupos e botões por atributo,
   o !important garante que hidden signifique escondido em todos eles. */
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--sp-3);
  line-height: 1.2;
  letter-spacing: -0.015em;
  font-weight: 700;
}

h1 { font-size: var(--fs-hero); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: 1.0625rem; }

p { margin: 0 0 var(--sp-4); }
p:last-child { margin-bottom: 0; }

a {
  color: var(--primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover { color: var(--primary-hover); }

:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

img, svg { max-width: 100%; }

code, kbd, samp, pre {
  font-family: var(--font-mono);
  /* Correção óptica da monoespaçada, sem descer do piso de 16px. */
  font-size: max(1rem, 0.94em);
}

code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.1em 0.36em;
}

pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  overflow-x: auto;
  font-size: var(--fs-sm);
  line-height: 1.6;
}

pre code {
  background: none;
  border: 0;
  padding: 0;
}

ul, ol { margin: 0 0 var(--sp-4); padding-left: 1.35em; }
li { margin-bottom: var(--sp-2); }
li:last-child { margin-bottom: 0; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: var(--sp-7) 0;
}

.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: -6rem;
  z-index: 200;
  background: var(--primary);
  color: var(--primary-contrast);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: var(--sp-4);
  color: var(--primary-contrast);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* -------------------------------------------------------------------------
   3. Layout
   ------------------------------------------------------------------------- */

.wrap {
  width: min(100% - 2.5rem, var(--wrap));
  margin-inline: auto;
}

.section {
  padding-block: var(--sp-8);
}

.section--tight { padding-block: var(--sp-7); }

.section--alt {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

.section__head {
  max-width: var(--prose);
  margin-bottom: var(--sp-6);
}

.section__head p {
  color: var(--text-muted);
  font-size: var(--fs-lead);
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: var(--sp-2);
}

.prose { max-width: var(--prose); }

.grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
}

.grid--wide {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
}

/* -------------------------------------------------------------------------
   4. Cabeçalho e navegação
   ------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  min-height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  line-height: 1.2;
}

.brand:hover { color: var(--text); }

.brand__mark {
  flex: none;
  width: 2.35rem;
  height: 2.35rem;
}

.brand__name { font-size: 1.02rem; }

.brand__meta {
  display: block;
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-muted);
}

.nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.nav a {
  display: block;
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--fs-sm);
}

.nav a:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nav a[aria-current="page"] {
  color: var(--primary);
  background: var(--primary-soft);
}

/* Seletor de idioma. Três links e nada mais: trocar de idioma é seguir um link
   para a página equivalente na outra árvore, sem JavaScript envolvido. Fica
   dentro de .header-actions, e não dentro de .nav, para continuar visível
   quando o menu principal se recolhe em telas estreitas: um seletor escondido
   atrás do menu ficaria invisível justamente para quem não lê o rótulo do
   menu. */
.lang {
  display: flex;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.lang a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0 var(--sp-2);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
}

.lang a + a { border-left: 1px solid var(--border); }

.lang a:hover {
  background: var(--surface-2);
  color: var(--text);
}

.lang a[aria-current="true"] {
  background: var(--primary-soft);
  color: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-left: var(--sp-2);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text-muted);
  cursor: pointer;
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.icon-btn svg { width: 1.2rem; height: 1.2rem; }

.nav-toggle { display: none; }

.theme-toggle .icon-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .icon-sun { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: block; }
}

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

  .nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-3);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }

  .nav[data-open="true"] { display: flex; }

  .nav a {
    padding: var(--sp-3);
    font-size: 1.05rem;
  }

  .header-actions { margin-left: auto; }
}

/* Em telas estreitas sobra pouco espaço entre a marca e os dois botões, e o
   título por extenso quebraria em três linhas dentro do cabeçalho fixo. Nesse
   caso mostramos só a linha curta, que continua nomeando o link corretamente
   para leitores de tela. */
@media (max-width: 620px) {
  .brand { gap: var(--sp-2); }
  .lang a { padding: 0 0.4rem; }
  .brand__name { display: none; }

  .brand__meta {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text);
  }
}

/* -------------------------------------------------------------------------
   5. Botões e etiquetas
   ------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-weight: 600;
  font-size: var(--fs-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.14s ease, border-color 0.14s ease,
              transform 0.14s ease;
}

.btn:hover {
  background: var(--surface-2);
  border-color: var(--text-muted);
  color: var(--text);
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-contrast);
}

.btn--primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--primary-contrast);
}

.btn svg { width: 1.1rem; height: 1.1rem; flex: none; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.22em 0.7em;
  border-radius: var(--radius-pill);
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: 600;
  line-height: 1.5;
}

.tag--ec1 { background: var(--ec1-bg); color: var(--ec1-fg); border-color: transparent; }
.tag--ec2 { background: var(--ec2-bg); color: var(--ec2-fg); border-color: transparent; }
.tag--ec3 { background: var(--ec3-bg); color: var(--ec3-fg); border-color: transparent; }
.tag--base { background: var(--primary-soft); color: var(--primary); border-color: transparent; }

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* -------------------------------------------------------------------------
   6. Hero
   ------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--sp-7), 6vw, var(--sp-9)) var(--sp-8);
  background:
    radial-gradient(ellipse 70% 90% at 12% -10%,
      color-mix(in srgb, var(--primary) 15%, transparent), transparent 60%),
    radial-gradient(ellipse 60% 80% at 92% 0%,
      color-mix(in srgb, var(--ec3) 12%, transparent), transparent 62%);
  border-bottom: 1px solid var(--border);
}

/* O hero é uma coluna só: o diagrama do pipeline tem seção própria logo
   abaixo, onde recebe a largura que a leitura da esquerda para a direita
   exige. O limite aqui é de medida de leitura, não de grade. */
.hero__conteudo {
  max-width: 56rem;
}

.hero h1 { margin-bottom: var(--sp-4); }

.hero__lead {
  font-size: var(--fs-lead);
  color: var(--text-muted);
  max-width: 46ch;
  margin-bottom: var(--sp-5);
}

.hero__thesis {
  margin: 0 0 var(--sp-5);
  padding: var(--sp-4) var(--sp-5);
  border-left: 4px solid var(--primary);
  background: var(--surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: var(--shadow-sm);
  font-size: 1.08rem;
}

.hero__thesis strong { color: var(--primary); }

/* -------------------------------------------------------------------------
   7. Cartões
   ------------------------------------------------------------------------- */

.card {
  display: flex;
  flex-direction: column;
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.card h3 { margin-bottom: var(--sp-2); }

.card p {
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.card__top {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.card__icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: var(--radius-sm);
  background: var(--primary-soft);
  color: var(--primary);
}

.card__icon svg { width: 1.4rem; height: 1.4rem; }

.card--ec1 .card__icon { background: var(--ec1-bg); color: var(--ec1-fg); }
.card--ec2 .card__icon { background: var(--ec2-bg); color: var(--ec2-fg); }
.card--ec3 .card__icon { background: var(--ec3-bg); color: var(--ec3-fg); }

.card__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: auto;
  padding-top: var(--sp-4);
  font-size: var(--fs-sm);
  font-weight: 600;
}

/* Trilhas por perfil */
.track {
  border-top: 3px solid var(--primary);
}

.track ol {
  margin: 0;
  padding-left: 1.2em;
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.track ol strong { color: var(--text); }

/* -------------------------------------------------------------------------
   8. Números
   ------------------------------------------------------------------------- */

.stat {
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.stat--ec1 { border-left-color: var(--ec1); }
.stat--ec2 { border-left-color: var(--ec2); }
.stat--ec3 { border-left-color: var(--ec3); }

.stat__value {
  display: block;
  font-size: clamp(1.9rem, 1.5rem + 1.6vw, 2.6rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  display: block;
  margin-top: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.stat__source {
  display: block;
  margin-top: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  opacity: 0.85;
}

/* -------------------------------------------------------------------------
   9. Diagrama do pipeline

   Construído com HTML e CSS, e não com SVG, por três razões: o texto continua
   sendo texto (selecionável, traduzível, lido por leitor de tela), o tamanho
   da fonte não encolhe junto com a largura da tela, e as cores acompanham o
   tema claro ou escuro sem duplicação de arquivo.
   ------------------------------------------------------------------------- */

.pipeline {
  /* O diagrama ocupa uma coluna do hero, e não a largura da janela. Quem
     decide entre a fila horizontal e a pilha vertical é a largura que o
     componente recebeu, não o tamanho da tela. */
  container-type: inline-size;
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.flow {
  display: flex;
  align-items: stretch;
  gap: var(--sp-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.flow > li { margin: 0; }

.flow__io,
.flow__stage,
.flow__gate {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-3);
  border-radius: var(--radius-sm);
  text-align: center;
}

.flow__io {
  flex: 0 1 10rem;
  background: var(--surface-2);
  border: 1px dashed var(--border-strong);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.flow__stage {
  flex: 1 1 0;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.flow__stage--ec1 { border-top: 3px solid var(--ec1); }
.flow__stage--ec2 { border-top: 3px solid var(--ec2); }
.flow__stage--ec3 { border-top: 3px solid var(--ec3); }

.flow__badge {
  align-self: center;
  margin-bottom: var(--sp-2);
  padding: 0.12em 0.6em;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.flow__stage--ec1 .flow__badge { background: var(--ec1-bg); color: var(--ec1-fg); }
.flow__stage--ec2 .flow__badge { background: var(--ec2-bg); color: var(--ec2-fg); }
.flow__stage--ec3 .flow__badge { background: var(--ec3-bg); color: var(--ec3-fg); }

.flow__stage h3 {
  margin: 0 0 var(--sp-1);
  font-size: 1.0625rem;
}

.flow__tools {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.flow__note {
  margin: var(--sp-2) 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.flow__gate {
  flex: 0 0 3rem;
  padding: var(--sp-2) 0;
  background: var(--primary-soft);
  border: 1px solid color-mix(in srgb, var(--primary) 35%, transparent);
  color: var(--primary);
  font-size: var(--fs-sm);
  font-weight: 700;
  line-height: 1.25;
  writing-mode: vertical-rl;
  align-items: center;
  text-orientation: mixed;
}

.flow__arrow {
  display: flex;
  align-items: center;
  color: var(--text-muted);
  flex: none;
}

.flow__arrow svg { width: 1.2rem; height: 1.2rem; }

@media (max-width: 940px) {
  .flow { flex-direction: column; }
  .flow__io { flex: none; }
  .flow__gate {
    flex: none;
    writing-mode: horizontal-tb;
    padding: var(--sp-2) var(--sp-3);
  }
  .flow__arrow { justify-content: center; }
  .flow__arrow svg { transform: rotate(90deg); }
}

/* A fila horizontal só é legível a partir de cerca de 860px de componente:
   abaixo disso os três estágios não cabem lado a lado sem espremer o texto. */
@container (max-width: 860px) {
  .flow { flex-direction: column; }
  .flow__io { flex: none; }
  .flow__gate {
    flex: none;
    writing-mode: horizontal-tb;
    padding: var(--sp-2) var(--sp-3);
  }
  .flow__arrow { justify-content: center; }
  .flow__arrow svg { transform: rotate(90deg); }
}

.pipeline__caption {
  max-width: var(--prose);
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

/* -------------------------------------------------------------------------
   10. Catálogo
   ------------------------------------------------------------------------- */

.toolbar {
  position: sticky;
  top: 4.25rem;
  z-index: 50;
  padding: var(--sp-4) 0;
  margin-bottom: var(--sp-5);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.search-field {
  position: relative;
  margin-bottom: var(--sp-4);
}

.search-field svg {
  position: absolute;
  left: 0.95rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.15rem;
  height: 1.15rem;
  color: var(--text-muted);
  pointer-events: none;
}

.search-field input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: var(--fs-sm);
}

.search-field input::placeholder { color: var(--text-muted); }

.filter-group {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}

.filter-group:last-of-type { margin-bottom: 0; }

.filter-group__label {
  flex: none;
  width: 6.2rem;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--text-muted);
}

.chip {
  padding: 0.34rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--text-muted);
  font: inherit;
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background 0.14s ease, color 0.14s ease,
              border-color 0.14s ease;
}

.chip:hover { border-color: var(--text-muted); color: var(--text); }

.chip[aria-pressed="true"] {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-contrast);
}

.chip[data-stage="ec1"][aria-pressed="true"] { background: var(--ec1); border-color: var(--ec1); color: #fff; }
.chip[data-stage="ec2"][aria-pressed="true"] { background: var(--ec2); border-color: var(--ec2); color: #fff; }
.chip[data-stage="ec3"][aria-pressed="true"] { background: var(--ec3); border-color: var(--ec3); color: #fff; }

@media (max-width: 700px) {
  .toolbar { position: static; }
  .filter-group__label { width: 100%; }
}

.results-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.catalog-group { margin-bottom: var(--sp-7); }

.catalog-group__head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
  padding-bottom: var(--sp-3);
  border-bottom: 2px solid var(--border);
}

.catalog-group__head h2 { margin: 0; font-size: var(--fs-h3); }

.catalog-group__count {
  flex: none;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  white-space: nowrap;
  color: var(--text-muted);
}

.tool {
  display: flex;
  flex-direction: column;
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.14s ease, transform 0.14s ease,
              box-shadow 0.14s ease;
}

.tool:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.tool__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  /* Em telas muito estreitas o nome e a etiqueta não cabem lado a lado, e a
     etiqueta desce para a linha seguinte em vez de esticar o cartão. */
  flex-wrap: wrap;
  gap: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-2);
}

.tool__name {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.3;
}

.tool__kind {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-top: 0.22rem;
}

.tool__desc {
  margin: 0 0 var(--sp-3);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.tool__role {
  margin: 0 0 var(--sp-4);
  padding: var(--sp-3);
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.tool__role strong { color: var(--text); }

.tool__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-top: auto;
  padding-top: var(--sp-3);
  border-top: 1px solid var(--border);
}

.tool__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.tool__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  text-decoration: none;
}

.tool__links a:hover { text-decoration: underline; }

.tool__links svg { width: 0.95rem; height: 0.95rem; }

.empty-state {
  padding: var(--sp-7) var(--sp-5);
  text-align: center;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--text-muted);
}

/* -------------------------------------------------------------------------
   11. Práticas
   ------------------------------------------------------------------------- */

.practice {
  margin-bottom: var(--sp-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.practice__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-5);
  border-bottom: 1px solid var(--border);
  border-top: 4px solid var(--primary);
}

.practice--ec1 .practice__head { border-top-color: var(--ec1); background: color-mix(in srgb, var(--ec1-bg) 45%, var(--surface)); }
.practice--ec2 .practice__head { border-top-color: var(--ec2); background: color-mix(in srgb, var(--ec2-bg) 45%, var(--surface)); }
.practice--ec3 .practice__head { border-top-color: var(--ec3); background: color-mix(in srgb, var(--ec3-bg) 45%, var(--surface)); }

.practice__number {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.1rem;
  height: 3.1rem;
  border-radius: 50%;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  background: var(--primary);
}

.practice--ec1 .practice__number { background: var(--ec1); }
.practice--ec2 .practice__number { background: var(--ec2); }
.practice--ec3 .practice__number { background: var(--ec3); }

.practice__title { flex: 1 1 16rem; }
.practice__title h2 { margin: 0 0 var(--sp-1); font-size: var(--fs-h3); }
.practice__title p { margin: 0; font-size: var(--fs-sm); color: var(--text-muted); }

.practice__body { padding: var(--sp-5); }

.moment {
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border);
}

.moment:last-child { border-bottom: 0; padding-bottom: 0; }
.moment:first-child { padding-top: 0; }

.moment__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.moment__head h3 { margin: 0; font-size: 1.08rem; }

.moment__time {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.12em 0.6em;
  background: var(--surface-2);
  border-radius: var(--radius-pill);
}

.checklist {
  list-style: none;
  margin: 0 0 var(--sp-4);
  padding: 0;
  counter-reset: passo;
}

.checklist li {
  position: relative;
  padding-left: 2.55rem;
  margin-bottom: var(--sp-3);
  font-size: var(--fs-sm);
  counter-increment: passo;
}

.checklist li::before {
  content: counter(passo);
  position: absolute;
  left: 0;
  top: 0.1em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 700;
}

.questions {
  list-style: none;
  margin: 0;
  padding: 0;
}

.questions li {
  padding-left: 1.6rem;
  position: relative;
  font-size: var(--fs-sm);
  font-style: italic;
  color: var(--text-muted);
}

.questions li::before {
  content: "?";
  position: absolute;
  left: 0;
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: 700;
  color: var(--primary);
}

.artifact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
  padding: var(--sp-4);
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--primary);
  font-size: var(--fs-sm);
}

.practice--ec1 .artifact { border-left-color: var(--ec1); }
.practice--ec2 .artifact { border-left-color: var(--ec2); }
.practice--ec3 .artifact { border-left-color: var(--ec3); }

.artifact code { background: var(--surface); }

/* -------------------------------------------------------------------------
   12. Blocos de aviso e listas de definição
   ------------------------------------------------------------------------- */

.callout {
  display: flex;
  gap: var(--sp-4);
  padding: var(--sp-5);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius-sm);
}

.callout--warn {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  border-left-color: var(--warn-border);
  color: var(--warn-fg);
}

.callout--warn a { color: inherit; }

.callout__icon { flex: none; color: var(--primary); }
.callout--warn .callout__icon { color: inherit; }
.callout__icon svg { width: 1.5rem; height: 1.5rem; }
.callout h3 { margin-bottom: var(--sp-2); font-size: 1.05rem; }
.callout p:last-child { margin-bottom: 0; }

.deflist { margin: 0; }
.deflist dt {
  font-weight: 700;
  margin-top: var(--sp-4);
}
.deflist dt:first-child { margin-top: 0; }
.deflist dd {
  margin: var(--sp-1) 0 0;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.readings { list-style: none; margin: 0; padding: 0; }

.readings li {
  padding: var(--sp-4) 0;
  border-bottom: 1px solid var(--border);
  font-size: var(--fs-sm);
}

.readings li:last-child { border-bottom: 0; }
.readings strong { display: block; margin-bottom: var(--sp-1); font-size: var(--fs-body); }
.readings span { color: var(--text-muted); }

.people {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  list-style: none;
  margin: 0;
  padding: 0;
}

.people li {
  padding: var(--sp-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 0;
}

.people strong { display: block; }

.people span {
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

/* -------------------------------------------------------------------------
   13. Tabela
   ------------------------------------------------------------------------- */

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}

th, td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: var(--surface-2);
  font-weight: 700;
  white-space: nowrap;
}

tbody tr:last-child td { border-bottom: 0; }

/* -------------------------------------------------------------------------
   14. Rodapé
   ------------------------------------------------------------------------- */

.site-footer {
  margin-top: var(--sp-8);
  padding-block: var(--sp-7) var(--sp-6);
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

.site-footer__grid {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  margin-bottom: var(--sp-6);
}

.site-footer h4 {
  color: var(--text);
  margin-bottom: var(--sp-3);
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: var(--sp-2); }

.site-footer__bottom {
  padding-top: var(--sp-5);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  justify-content: space-between;
  font-size: var(--fs-sm);
}

/* -------------------------------------------------------------------------
   15. Movimento reduzido e impressão
   ------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header, .toolbar, .site-footer, .btn-row, .skip-link { display: none; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .card, .tool, .practice { break-inside: avoid; box-shadow: none; }
  a::after { content: " (" attr(href) ")"; font-size: 9pt; word-break: break-all; }
}