/* MicroMegas — sistema de design (MM-DS-001 Rev. 02). Fonte de verdade dos tokens.
   Paleta estritamente acromática (escala zinc). Nenhuma cor de acento. */
/* Fontes auto-hospedadas em /fonts. Nenhuma requisicao a servico externo de fontes:
   nenhum dado do visitante (IP, cabecalhos) e transmitido a terceiros. */
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/space-grotesk-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/space-grotesk-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'Space Grotesk'; font-style: normal; font-weight: 700; font-display: swap; src: url('../fonts/space-grotesk-latin-700-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/inter-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/inter-latin-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('../fonts/inter-latin-600-normal.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400; font-display: swap; src: url('../fonts/jetbrains-mono-latin-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'JetBrains Mono'; font-style: normal; font-weight: 500; font-display: swap; src: url('../fonts/jetbrains-mono-latin-500-normal.woff2') format('woff2'); }

:root {
  /* Papéis */
  --color-bg: #ffffff;
  --color-surface: #f4f4f5;
  --color-surface-2: #fafafa;
  --color-text: #18181b;
  --color-accent: #18181b; /* o "acento" é a própria tinta: o sistema não tem matiz */
  --color-divider: #e4e4e7;
  --color-brand: #0a0a0a; /* exclusivo da marca gráfica */

  /* Escala neutra (Tailwind zinc) — único ramp do sistema */
  --color-neutral-50: #fafafa;
  --color-neutral-100: #f4f4f5;
  --color-neutral-200: #e4e4e7;
  --color-neutral-300: #d4d4d8;
  --color-neutral-400: #a1a1aa;
  --color-neutral-500: #71717a;
  --color-neutral-600: #52525b;
  --color-neutral-700: #3f3f46;
  --color-neutral-800: #27272a;
  --color-neutral-900: #18181b;

  /* Faces do desenho isométrico */
  --iso-top: #ffffff;
  --iso-right: #f5f5f6;
  --iso-left: #ececee;
  --iso-base-right: #f3f3f4;
  --iso-base-left: #e9e9eb;
  --iso-plate-right: #f2f2f3;
  --iso-plate-left: #e7e7e9;
  --iso-hairline-1: #c9c9ce;
  --iso-hairline-2: #d6d6da;
  --iso-stroke: #18181b;
  --iso-ratio: 0.4375; /* @kind other */ /* projeção dimétrica: vertical / horizontal */

  /* Tipografia */
  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-heading: var(--font-display);
  --font-heading-weight: 600;
  --tracking-display: -0.035em;
  --tracking-heading: -0.03em;
  --tracking-label: 0.18em;

  /* Espaçamento (base 4) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --container: 72rem; /* max-w-6xl */
  --header-h: 64px;

  /* Forma */
  --radius-sm: 4px;
  --radius-md: 8px;   /* chip de ícone */
  --radius-lg: 16px;  /* cartão e contêiner de diagrama */
  --radius-full: 9999px;
  --border: 1px;

  /* Elevação — apenas para separar plano, nunca decorativa */
  --shadow-sm: 0 1px 2px rgba(24, 24, 27, 0.05);
  --shadow-md: 0 20px 40px -12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 24px 56px -16px rgba(0, 0, 0, 0.12);

  /* Movimento */
  --ease: cubic-bezier(0.22, 1, 0.36, 1); /* @kind other */
  --dur-enter: 0.7s; /* @kind other */
  --dur-hover: 0.3s; /* @kind other */
  --dur-micro: 0.25s; /* @kind other */
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-body); font-size: 15px; line-height: 1.55; font-weight: 400;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display); font-weight: 600;
  letter-spacing: var(--tracking-heading); line-height: 1.15; margin: 0 0 var(--space-2);
}
h1 { font-size: clamp(36px, 6vw, 72px); letter-spacing: var(--tracking-display); line-height: 1.05; }
h2 { font-size: clamp(28px, 3.6vw, 36px); }
h3 { font-size: 22px; }
h4 { font-size: 18px; }
h5 { font-size: 16px; }
h6 { font-size: 12px; font-family: var(--font-mono); font-weight: 500; letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-neutral-400); }
p { margin: 0 0 var(--space-3); text-wrap: pretty; }
a { color: var(--color-neutral-900); text-underline-offset: 3px; }
a:hover { color: var(--color-neutral-600); }
strong { font-weight: 600; color: var(--color-neutral-900); }
img { display: block; max-width: 100%; }
figure { margin: 0; }
figcaption { font-family: var(--font-mono); font-size: 11px; color: var(--color-neutral-400); margin-top: var(--space-1); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-neutral-900); outline-offset: 2px; }
::selection { background: var(--color-neutral-200); }

/* — utilitários de papel tipográfico — */
.display { font-family: var(--font-display); font-weight: 600; letter-spacing: var(--tracking-heading); }
.mono { font-family: var(--font-mono); }
.label { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-neutral-500); }
.caption { font-family: var(--font-mono); font-size: 12px; color: var(--color-neutral-400); }
.lead { font-size: clamp(17px, 2vw, 20px); line-height: 1.65; color: var(--color-neutral-500); max-width: 36rem; }
.text-muted { color: var(--color-neutral-500); }

/* — layout — */
.container { max-width: var(--container); margin: 0 auto; padding-inline: var(--space-6); }
@media (min-width: 640px) { .container { padding-inline: var(--space-8); } }
/* Contêiner sem padding: usado por elementos que devem encostar nas margens
   de folha (separadores e molduras de diagrama), para que suas extremidades
   caiam exatamente sobre as linhas de margem. */
.container-flush { max-width: var(--container); margin: 0 auto; }
/* Margens de folha: duas linhas verticais na largura do contêiner, atravessando
   o documento como a margem de uma prancha de desenho. As marcas de cota dos
   separadores caem sobre elas e formam a cruz de registro. */
.sheet { position: absolute; inset: 0; z-index: -1; pointer-events: none; max-width: var(--container); margin-inline: auto; border-left: 1px solid var(--color-neutral-200); border-right: 1px solid var(--color-neutral-200); }
@media (max-width: 639px) { .sheet { display: none; } }
/* Trilho: linha que preenche o espaço restante depois de um selo ou rótulo. */
.rail { display: flex; align-items: center; gap: var(--space-6); }
.rail::after { content: ''; flex: 1; height: 1px; background: var(--color-neutral-200); }
.section { padding-block: var(--space-16); }
.section-tight { padding-block: var(--space-12); }
.grid-bg {
  background-image:
    linear-gradient(rgba(24, 24, 27, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(24, 24, 27, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* — separador técnico: linha contínua com marcas de cota nas extremidades — */
.sep-tech { position: relative; height: 1px; background: var(--color-neutral-300); border: 0; margin: 0; }
.sep-tech::before, .sep-tech::after { content: ''; position: absolute; top: -3px; width: 1px; height: 7px; background: var(--color-neutral-400); }
.sep-tech::before { left: 0; }
.sep-tech::after { right: 0; }
.hr { height: 1px; border: 0; margin: var(--space-6) 0; background: var(--color-divider); }

/* — selo de estado — */
.badge-status { display: inline-flex; align-items: center; gap: var(--space-3); }
.badge-status .dot { position: relative; display: flex; width: 10px; height: 10px; }
.badge-status .dot span { position: absolute; inset: 0; border-radius: 50%; background: var(--color-neutral-900); }
.badge-status .dot::before { content: ''; position: absolute; inset: 0; border-radius: 50%; background: var(--color-neutral-900); animation: mm-pulse 2s ease-out infinite; }
.badge-status .txt { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: var(--tracking-label); text-transform: uppercase; color: var(--color-neutral-500); }
/* O selo é inline por padrão; combinado com .rail passa a ocupar a linha inteira
   para que o fio tenha espaço a preencher. Precisa vir depois do bloco do selo. */
.badge-status.rail { display: flex; width: 100%; }
@keyframes mm-pulse { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(2.5); opacity: 0; } }

/* — botões — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-body); font-size: 14px; font-weight: 500; line-height: 1.2;
  padding: 14px 28px; border-radius: var(--radius-full); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; position: relative; overflow: hidden;
  transition: background var(--dur-hover) var(--ease), color var(--dur-hover) var(--ease),
              border-color var(--dur-hover) var(--ease), box-shadow var(--dur-hover) var(--ease);
}
.btn svg { display: block; }
.btn::before {
  content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15), transparent);
  transition: left 0.5s ease;
}
.btn:hover::before { left: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-neutral-900); color: #fff; }
.btn-primary:hover { background: var(--color-neutral-800); box-shadow: 0 10px 24px -8px rgba(24, 24, 27, 0.25); }
.btn-secondary { border-color: var(--color-neutral-300); color: var(--color-neutral-900); background: transparent; }
.btn-secondary:hover { border-color: var(--color-neutral-900); background: var(--color-neutral-50); }
.btn-secondary::before { display: none; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--color-neutral-500); padding-inline: var(--space-2); }
.btn-ghost:hover { color: var(--color-neutral-900); }
.btn-ghost::before { display: none; }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-icon { width: 40px; height: 40px; padding: 0; }
.btn-block { width: 100%; }

/* — cartões — */
.card {
  display: flex; flex-direction: column; padding: var(--space-4) var(--space-4) var(--space-4);
  border: 1px solid var(--color-neutral-200); border-radius: var(--radius-lg);
  background: var(--color-neutral-100); min-height: 170px;
  transition: transform var(--dur-hover) var(--ease), box-shadow var(--dur-hover) var(--ease), border-color var(--dur-hover) var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-neutral-400); }
.card-chip {
  width: 36px; height: 36px; flex: none; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md); background: #fff; margin-bottom: var(--space-3);
}
.card-title { font-family: var(--font-display); font-weight: 600; font-size: 16px; line-height: 1.25; color: var(--color-neutral-900); }
.card-body { flex: 1; margin: var(--space-2) 0 0; font-size: 14px; line-height: 1.6; color: var(--color-neutral-500); }
.card-meta { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-mono); font-size: 11px; color: var(--color-neutral-400); }
.card-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-3); }
/* Variante unida: os cartões deixam de flutuar e formam uma peça única
   dividida por fios de 1px, leitura de tabela técnica em vez de fichas soltas. */
.card-grid-joined { gap: 0; border: 1px solid var(--color-neutral-200); border-radius: var(--radius-lg); overflow: hidden; background: #fff; }
.card-grid-joined > .card { border: 0; border-radius: 0; background: transparent; padding: var(--space-6) var(--space-4); border-top: 1px solid var(--color-neutral-200); }
.card-grid-joined > .card:first-child { border-top: 0; }
.card-grid-joined > .card:hover { transform: none; box-shadow: none; background: var(--color-neutral-50); }
.card-grid-joined .card-chip { background: var(--color-neutral-100); border: 1px solid var(--color-neutral-200); }
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-4); }
  .card-grid-joined { gap: 0; }
  .card-grid-joined > .card { border-top: 1px solid var(--color-neutral-200); border-left: 1px solid var(--color-neutral-200); }
  .card-grid-joined > .card:nth-child(-n+2) { border-top: 0; }
  .card-grid-joined > .card:nth-child(odd) { border-left: 0; }
  .card-grid-joined > .card:last-child:nth-child(odd) { grid-column: 1 / -1; } }
@media (min-width: 1024px) { .card-grid-5 { grid-template-columns: repeat(5, 1fr); } .card-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid-joined > .card { border-top: 0; border-left: 1px solid var(--color-neutral-200); }
  .card-grid-joined > .card:first-child { border-left: 0; } }
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — contêiner de diagrama: janela de aplicação técnica — */
.diagram-frame {
  background: linear-gradient(180deg, var(--color-neutral-50) 0%, var(--color-neutral-100) 100%);
  border: 1px solid var(--color-neutral-200); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); padding: var(--space-4); overflow: hidden;
}
@media (min-width: 640px) { .diagram-frame { padding: var(--space-6); } }
@media (min-width: 1024px) { .diagram-frame { padding: var(--space-8); } }
.diagram-chrome { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); margin-bottom: var(--space-4); }
.diagram-chrome .dots { display: flex; gap: 6px; }
.diagram-chrome .dots i { width: 12px; height: 12px; border-radius: 50%; background: var(--color-neutral-200); }
.diagram-chrome .file { display: flex; align-items: center; gap: var(--space-3); font-family: var(--font-mono); font-size: 12px; color: var(--color-neutral-400); }
.diagram-scroll { overflow-x: auto; }
.diagram-scroll svg { display: block; width: 100%; height: auto; min-width: 480px; }

/* — etiquetas — */
.tag { display: inline-flex; align-items: center; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; padding: 4px 10px; border-radius: var(--radius-sm); }
.tag-solid { background: var(--color-neutral-900); color: #fff; }
.tag-neutral { background: var(--color-neutral-100); color: var(--color-neutral-600); border: 1px solid var(--color-neutral-200); }
.tag-outline { border: 1px solid var(--color-neutral-300); color: var(--color-neutral-600); }

/* — navegação — */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(20px); border-bottom: 1px solid rgba(228, 228, 231, 0.6);
  transition: box-shadow var(--dur-hover) var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.site-header .bar { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--color-neutral-900); }
.brand .wordmark { font-family: var(--font-display); font-weight: 600; font-size: 20px; letter-spacing: var(--tracking-heading); }
/* Marca gráfica: altura fixa, largura proporcional (razão 1,467). Espaço livre mínimo igual à metade da altura da marca. */
.brand .mark { height: 30px; width: auto; }
.brand .mark-sm { height: 22px; }
.site-footer .mark { height: 22px; width: auto; opacity: 0.9; }
.nav { display: flex; align-items: center; gap: var(--space-8); font-size: 14px; }
.nav a { position: relative; color: var(--color-neutral-500); text-decoration: none; }
.nav a:hover { color: var(--color-neutral-900); }
.nav a[aria-current='page'], .nav a.active { color: var(--color-neutral-900); font-weight: 500; }
.nav a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1.5px; background: var(--color-neutral-900); transition: width var(--dur-micro) ease; }
.nav a:hover::after, .nav a.active::after, .nav a[aria-current='page']::after { width: 100%; }
.nav-toggle { display: none; }
@media (max-width: 639px) { .nav { display: none; } .nav-toggle { display: inline-flex; } }
.mobile-menu { position: fixed; inset: 0; z-index: 60; background: #fff; transform: translateX(100%); transition: transform 0.35s var(--ease); }
.mobile-menu.open { transform: translateX(0); }
.mobile-menu .bar { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); padding-inline: var(--space-6); border-bottom: 1px solid var(--color-neutral-200); }
.mobile-menu nav { display: flex; flex-direction: column; padding: var(--space-6); }
.mobile-menu nav a { font-family: var(--font-display); font-weight: 600; font-size: 24px; padding: var(--space-3) 0; color: var(--color-neutral-500); text-decoration: none; border-bottom: 1px solid var(--color-neutral-100); }
.mobile-menu nav a.active { color: var(--color-neutral-900); }

/* — rodapé em pirâmide — */
.site-footer { border-top: 1px solid var(--color-neutral-200); background: rgba(250, 250, 250, 0.5); }
.site-footer .pyramid { display: flex; flex-direction: column; align-items: center; text-align: center; gap: var(--space-2); padding-block: var(--space-8); }
.site-footer .apex { font-family: var(--font-display); font-weight: 600; font-size: 14px; letter-spacing: -0.02em; color: var(--color-neutral-900); }
.site-footer .base { display: flex; align-items: center; gap: var(--space-3); font-size: 12px; color: var(--color-neutral-400); }

/* — formulários — */
.field > label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-neutral-500); margin-bottom: 6px; }
.input {
  width: 100%; min-height: 42px; padding: 10px 14px; font: inherit; font-size: 14px;
  color: var(--color-neutral-900); background: #fff; caret-color: var(--color-neutral-900);
  border: 1px solid var(--color-neutral-200); border-radius: var(--radius-md);
  transition: border-color var(--dur-micro) ease;
}
.input:hover { border-color: var(--color-neutral-400); }
.input:focus-visible { border-color: var(--color-neutral-900); outline-offset: 0; }
textarea.input { min-height: 104px; resize: vertical; }
.radio { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; }
.radio input, .seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.radio .dot { width: 16px; height: 16px; flex: none; border-radius: 50%; border: 1.5px solid var(--color-neutral-300); }
.radio:hover .dot { border-color: var(--color-neutral-900); }
.radio input:checked + .dot { border-color: var(--color-neutral-900); background: var(--color-neutral-900); box-shadow: inset 0 0 0 4px #fff; }
.radio input:focus-visible + .dot { outline: 2px solid var(--color-neutral-900); outline-offset: 2px; }
.seg { display: inline-flex; overflow: hidden; border: 1px solid var(--color-neutral-200); border-radius: var(--radius-full); }
.seg-opt { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; font-size: 13px; cursor: pointer; }
.seg-opt + .seg-opt { border-left: 1px solid var(--color-neutral-200); }
.seg-opt:has(input:checked) { background: var(--color-neutral-900); color: #fff; }
.seg-opt:not(:has(input:checked)):hover { background: var(--color-neutral-100); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-neutral-900); outline-offset: -2px; }

/* — tabelas: leitura documental — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-neutral-400);
  padding: var(--space-3) var(--space-3); border-bottom: 1px solid var(--color-neutral-300);
}
.table td { padding: var(--space-3); border-bottom: 1px solid var(--color-neutral-200); color: var(--color-neutral-700); }
.table td:first-child { color: var(--color-neutral-900); }
.table tbody tr:hover { background: var(--color-neutral-50); }
.table .num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* — diálogo — */
.dialog-backdrop { position: fixed; inset: 0; display: grid; place-items: center; padding: var(--space-6); background: rgba(24, 24, 27, 0.4); backdrop-filter: blur(2px); }
.dialog { width: min(460px, 100%); display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-6); border: 1px solid var(--color-neutral-200); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-lg); }
.dialog-title { font-family: var(--font-display); font-weight: 600; font-size: 20px; letter-spacing: var(--tracking-heading); }
.dialog-body { font-size: 14px; color: var(--color-neutral-500); }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* — entrada por rolagem — */
/* — entrada por rolagem — ativada apenas quando a página declara suporte
     (`<html class="js-reveal">`), para que sem JS ou sem IntersectionObserver
     o conteúdo renderize opaco em vez de invisível — */
.js-reveal .reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--dur-enter) var(--ease), transform var(--dur-enter) var(--ease); }
.js-reveal .reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
@media (prefers-reduced-motion: reduce) {
  .js-reveal .reveal { opacity: 1; transform: none; transition: none; }
  .badge-status .dot::before { animation: none; }
  .card:hover { transform: none; }
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-neutral-50); }
::-webkit-scrollbar-thumb { background: var(--color-neutral-300); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-neutral-400); }