/* GERADO por tools/build.mjs — edite src/css/ e rode o build */

/* ===== src/css/tokens.css ===== */
/* ============================================================
   PAVURU · tokens.css — fonte da verdade do design system
   Consumido por tools/build.mjs (concat: tokens → base → layout
   → components ⇒ site/assets/css/site.css, linkado em todo head).
   Paleta Titanium Matte (Brand Book §5, APROVADA 08/11/2026).
   Movimento (Brand Book §9, PROPOSTA): ease cubic-bezier(.22,1,.36,1)
   REGRA DURA: Matte Titanium NUNCA carrega informação sobre fundo
   claro (contraste 2,49 sobre Soft White). No claro, o texto
   secundário é Graphite. Implementado via --fg-soft por contexto.
   ============================================================ */

:root {
  /* Paleta oficial — não criar outras cores */
  --c-deep-black: #050506;
  --c-soft-white: #F5F5F2;
  --c-graphite:   #25272B;
  --c-cool-mist:  #D8DCE2;
  --c-titanium:   #9A9DA3;

  /* Acento APROVADO pelo fundador em 08/11/2026 — Petróleo Fosco
     (registro: 05_PAVURU_BRAND_BOOK/PAVURU_REFERENCES/PENDENCIAS_E_DECISOES.md).
     Dosagem ≤2%; nunca em texto corrido, títulos ou logotipo. */
  --c-petrol:      #5E7D80;  /* texto AA 4,58:1 no Deep Black · UI 4,07:1 no claro */
  --c-petrol-hi:   #9DBDBF;  /* hover/foco sobre escuro — 10,15:1 AAA */
  --c-petrol-deep: #2E4A4D;  /* texto/UI sobre fundos claros — 8,73:1 AA */

  /* Contexto padrão: campo negro (peso 55% da marca) */
  --bg:       var(--c-deep-black);
  --fg:       var(--c-soft-white);
  --fg-soft:  var(--c-titanium);                                  /* AAA 7,49 sobre Deep Black */
  --line:     color-mix(in srgb, var(--c-titanium) 26%, transparent);
  --surface:  color-mix(in srgb, var(--c-graphite) 46%, var(--c-deep-black));
  --accent:    var(--c-petrol);
  --accent-hi: var(--c-petrol-hi);

  /* Tipografia (Brand Book §6 — Source Serif 4 + Source Sans 3) */
  --font-serif: "Source Serif 4", "Serif Fallback", Georgia, serif;
  --font-sans:  "Source Sans 3", "Sans Fallback", Arial, sans-serif;

  --text-display: clamp(2.75rem, 1.1rem + 6.4vw, 6.25rem);
  --text-h2:      clamp(2rem, 1.25rem + 2.9vw, 3.375rem);
  --text-h2-sm:   clamp(1.625rem, 1.25rem + 1.4vw, 2.25rem);
  --text-h3:      1.3125rem;
  --text-lead:    clamp(1.125rem, 1rem + .45vw, 1.375rem);
  --text-body:    1.0625rem;
  --text-small:   .9375rem;
  --text-label:   .75rem;

  --leading-display: 1.04;
  --leading-h2:      1.1;
  --leading-body:    1.6;

  --track-display: -0.03em;   /* tracking negativo em corpos grandes (apple-design §15) */
  --track-h2:      -0.02em;
  --track-label:    0.14em;
  --track-slogan:   0.32em;

  /* Espaço e malha */
  --container: 76rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section-pad: clamp(5.5rem, 13vh, 10rem);
  --radius: 1rem;
  --radius-lg: 1.75rem;
  --radius-xl: 2.5rem;  /* blocos claros "flutuando" (plano 09/11, B4) */
  --header-h: 4.75rem;

  /* Movimento (Brand Book §9) */
  --ease-brand:  cubic-bezier(.22, 1, .36, 1);
  --ease-liquid: cubic-bezier(.4, 0, 0, 1);
  --dur-ui:    .25s;    /* 200–300 ms em interface */
  --dur-brand: .8s;     /* 600–900 ms na marca */
}

/* Contexto claro: Soft White. Secundário vira Graphite (13,70 AAA). */
.theme-light {
  color-scheme: light;
  --bg:      var(--c-soft-white);
  --fg:      var(--c-deep-black);
  --fg-soft: var(--c-graphite);
  --line:    color-mix(in srgb, var(--c-graphite) 20%, transparent);
  --surface: color-mix(in srgb, var(--c-cool-mist) 42%, var(--c-soft-white));
  --accent:    var(--c-petrol-deep);  /* texto AA no claro */
  --accent-hi: var(--c-petrol);       /* UI/realce no claro (4,07:1 ≥3) */
}


/* ===== src/css/base.css ===== */
/* ============================================================
   PAVURU · base.css — reset, tipografia, acessibilidade
   ============================================================ */

/* Fallbacks métricos (CLS): size-adjust medido em navegador real
   em 08/11/2026 — Georgia→Source Serif 4 = 90,5%; Arial→Source Sans 3 = 92,1%. */
@font-face {
  font-family: "Serif Fallback";
  src: local("Georgia");
  size-adjust: 90.5%;
}
@font-face {
  font-family: "Sans Fallback";
  src: local("Arial");
  size-adjust: 92.1%;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  background: var(--c-deep-black);
  color: var(--fg);
  font: 400 var(--text-body) / var(--leading-body) var(--font-sans);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100svh;
}

img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration: none; }

::selection { background: var(--c-cool-mist); color: var(--c-deep-black); }

:focus-visible {
  outline: 2px solid var(--accent-hi); /* foco no acento (uso aprovado) */
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---- Tipografia ------------------------------------------- */

.display {
  font-family: var(--font-serif);
  font-weight: 380;
  font-size: var(--text-display);
  line-height: var(--leading-display);
  letter-spacing: var(--track-display);
  text-wrap: balance;
}

.h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: var(--text-h2);
  line-height: var(--leading-h2);
  letter-spacing: var(--track-h2);
  text-wrap: balance;
}
.h2--sm { font-size: var(--text-h2-sm); }

.h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--text-h3);
  line-height: 1.35;
}

.lead { font-size: var(--text-lead); line-height: 1.5; }
.small { font-size: var(--text-small); }
.soft { color: var(--fg-soft); }
.em-serif { font-family: var(--font-serif); font-style: italic; font-weight: 400; }

/* Última linha do display em itálico (plano B2 — referência home_01).
   Cor permanece a do título: acento em título exige decisão do fundador. */
.display-em { font-style: italic; font-weight: 340; }

.slogan {
  font: 600 var(--text-label) / 1 var(--font-sans);
  letter-spacing: var(--track-slogan);
  text-transform: uppercase;
  color: var(--fg-soft);
}

/* Etiqueta editorial da marca: "01 / RÓTULO" + fio de titânio */
.label {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  font: 600 var(--text-label) / 1 var(--font-sans);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  white-space: nowrap; /* a etiqueta nunca quebra: o fio encolhe (conselho crítico 09/11, D1) */
  color: var(--accent); /* acento Petróleo Fosco: uso aprovado em etiquetas */
}
@media (max-width: 47.9rem) {
  .label { gap: 1rem; }
  .label::after { flex: 1 1 1rem; min-width: 1rem; }
}
.label::after {
  content: "";
  height: 1px;
  flex: 0 1 11rem;
  background: var(--line);
}
/* Fio desenha-se da esquerda quando a seção entra (reveal.js adiciona .is-lit).
   Sem JS ou com no-motion/reduced-motion o fio fica visível desde o início. */
.js:not(.no-motion) .section:not(.hero) .label::after {
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .7s var(--ease-brand) .1s;
}
.js:not(.no-motion) .section:not(.hero) .label.is-lit::after { transform: scaleX(1); }
@media (prefers-reduced-motion: reduce) {
  .js .section .label::after { transform: scaleX(1) !important; }
  * { transition-delay: 0s !important; } /* o cap de duração não zera delay (revisor técnico, T5) */
}
/* Variante centrada com ponto (hero centrado, plano B6) */
.label--dot { justify-content: center; gap: .75rem; }
.label--dot::after { content: none; }
.label--dot::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---- Estrutura -------------------------------------------- */

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  background: var(--bg);
  color: var(--fg);
  padding-block: var(--section-pad);
  position: relative;
}
/* Âncoras (#escolas, #agente…) nunca escondem o título sob o header fixo
   (auditoria técnica 09/11) */
[id] { scroll-margin-top: calc(var(--header-h) + 1rem); }
/* Blocos claros "flutuando" no campo negro (plano B4 — referência home_02/04) */
.section.theme-light {
  border-radius: var(--radius-xl);
  margin-inline: clamp(.75rem, 2vw, 2rem);
  overflow: clip;
}
.section > .container > .label { margin-bottom: clamp(2rem, 5vh, 3.5rem); }

.stack-lg > * + * { margin-top: clamp(2.5rem, 6vh, 4rem); }
.stack > * + * { margin-top: 1.25rem; }
.stack > .em-serif { margin-top: 2rem; } /* fecho editorial respira (conselho, D9) */
.measure { max-width: 42em; }

.skip-link {
  position: fixed;
  top: .75rem; left: .75rem;
  z-index: 1000;
  padding: .75rem 1.25rem;
  background: var(--c-soft-white);
  color: var(--c-deep-black);
  border-radius: 999px;
  font-weight: 600;
  transform: translateY(-300%);
  transition: transform .2s var(--ease-brand);
}
.skip-link:focus-visible { transform: none; }

/* ---- Utilitários (substituem estilos inline; viabilizam CSP) */
.hero--sub { min-height: auto; }
.pt-0 { padding-top: 0; }
.mt-pad { margin-top: var(--section-pad); }
.mt-3 { margin-top: .75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-8 { margin-top: 2rem; }
.steps--fit { grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }

/* Lenis assume a rolagem: desliga o smooth nativo para não somar os dois */
html.lenis { scroll-behavior: auto !important; }

/* ---- Motion: pré-ocultação segura --------------------------
   Só esconde quando: JS ativo, sem fallback disparado e SEM
   preferência por movimento reduzido. Sem JS, tudo visível.   */
@media (prefers-reduced-motion: no-preference) {
  html.js:not(.no-motion) [data-reveal] { opacity: 0; }
}

/* Reduced motion: experiência equivalente, não ausência.
   Mantém mudanças de cor/opacidade; corta deslocamento/loop.  */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .15s !important;
    scroll-behavior: auto !important;
  }
}


/* ===== src/css/layout.css ===== */
/* ============================================================
   PAVURU · layout.css — header, navegação, footer, grids, hero
   ============================================================ */

/* ---- Header (chrome translúcido, apple-design §12) --------- */

/* Menu-cápsula flutuante (plano 09/11, B5 — referência home_01) */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 90;
  height: var(--header-h);
  color: var(--c-soft-white);
  display: flex;
  align-items: center;
  transition: transform .3s var(--ease-brand);
}
.site-header .container {
  position: relative;
  height: 3.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: min(72rem, calc(100% - 1.5rem));
  border: 1px solid var(--line);
  border-radius: 999px;
  padding-inline: clamp(1rem, 2vw, 1.5rem);
}
/* Fundo + blur num pseudo-elemento: backdrop-filter num ANCESTRAL do painel
   mobile position:fixed criaria um containing block e o prenderia (bug
   confirmado em 08/11: painel com 48 px). O ::before não afeta os filhos. */
.site-header .container::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background: color-mix(in srgb, var(--c-deep-black) 72%, transparent);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}
.site-header.is-scrolled .container::before { background: color-mix(in srgb, var(--c-deep-black) 88%, transparent); }
/* Cápsula entra no load (plano de animações 09/11) */
.js:not(.no-motion) .site-header .container { animation: pvr-header-in .6s var(--ease-brand) .15s backwards; }
@keyframes pvr-header-in {
  from { opacity: 0; transform: translateY(-10px); }
}
@media (prefers-reduced-motion: reduce) {
  .site-header .container { animation: none !important; }
}
.site-header.is-hidden { transform: translateY(-100%); }
/* Foco por teclado nunca fica atrás de um header oculto (WCAG 2.4.7/2.4.11) */
.site-header:focus-within { transform: none; }

@media (prefers-reduced-transparency: reduce) {
  .site-header .container::before { background: var(--c-deep-black); -webkit-backdrop-filter: none; backdrop-filter: none; }
}
@media (prefers-contrast: more) {
  .site-header .container::before { background: var(--c-deep-black); -webkit-backdrop-filter: none; backdrop-filter: none; }
  .site-header .container { border-color: currentColor; }
  .card { border-color: currentColor; }
}

.brand { display: inline-flex; align-items: center; }
.brand img { height: 2.07rem; width: auto; }  /* ~137 px de largura: folga sobre o mínimo de 120 px do logotipo */

.site-nav { display: flex; align-items: center; gap: 2rem; }
.nav-links { display: flex; align-items: center; gap: 1.75rem; list-style: none; padding: 0; }

.nav-link {
  position: relative;
  font: 600 var(--text-small) / 1 var(--font-sans);
  text-decoration: none;
  padding-block: .4rem;
  transition: color var(--dur-ui) var(--ease-brand);
}
/* Sublinhado que se desenha: entra pela esquerda, sai pela direita
   (decisão do fundador 09/11: o rótulo é âncora — nenhuma letra se move) */
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: .1em;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform .3s var(--ease-brand);
}
@media (pointer: fine) {
  .nav-link:hover { color: var(--accent-hi); }
  .nav-link:hover::after { transform: scaleX(1); transform-origin: 0 50%; }
}
.nav-link:active { opacity: .7; transition: opacity .1s ease-out; }
.nav-link[aria-current="page"]::after { transform: scaleX(1); transform-origin: 0 50%; }

/* .roll neutralizado — rolagem de rótulo removida (DOCS/PLANO_MELHORIAS_URGENTES.md, A1) */
.roll { display: inline-block; }
.roll > span { display: inline-block; }
.roll > span::after { content: none; }

/* Menu mobile */
.menu-toggle { display: none; }

@media (max-width: 47.9rem) {
  .menu-toggle {
    display: inline-grid;
    place-items: center;
    width: 2.75rem; height: 2.75rem;
    border-radius: 999px;
    border: 1px solid var(--line);
  }
  .menu-toggle .bars { position: relative; width: 1.1rem; height: .75rem; }
  .menu-toggle .bars::before, .menu-toggle .bars::after {
    content: "";
    position: absolute; left: 0; right: 0;
    height: 1.5px; background: currentColor;
    transition: transform .4s var(--ease-brand), top .4s var(--ease-brand);
  }
  .menu-toggle .bars::before { top: 0; }
  .menu-toggle .bars::after { top: calc(100% - 1.5px); }
  .menu-toggle[aria-expanded="true"] .bars::before { top: calc(50% - .75px); transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] .bars::after  { top: calc(50% - .75px); transform: rotate(-45deg); }

  .site-nav {
    position: fixed;
    inset: 0;
    top: var(--header-h);
    height: calc(100dvh - var(--header-h));
    z-index: 85;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: clamp(1.5rem, 6vw, 3rem) var(--gutter);
    background: var(--c-deep-black);
    visibility: hidden;
    opacity: 0;
    transition: opacity .3s var(--ease-brand), visibility .3s;
  }
  .site-nav.is-open { visibility: visible; opacity: 1; }
  /* Itens entram em cascata leve ao abrir (CSS puro). Reduced-motion:
     o gate .js:not(.no-motion) desativa (main.js adiciona .no-motion)
     e o bloco reduce de base.css zera os transition-delay. */
  .js:not(.no-motion) .site-nav .nav-links li,
  .js:not(.no-motion) .site-nav .btn {
    opacity: 0;
    translate: 0 8px;
    transition: opacity .25s var(--ease-brand), translate .25s var(--ease-brand);
  }
  .js:not(.no-motion) .site-nav.is-open .nav-links li,
  .js:not(.no-motion) .site-nav.is-open .btn { opacity: 1; translate: 0 0; }
  .js:not(.no-motion) .site-nav.is-open .nav-links li:nth-child(2) { transition-delay: .04s; }
  .js:not(.no-motion) .site-nav.is-open .nav-links li:nth-child(3) { transition-delay: .08s; }
  .js:not(.no-motion) .site-nav.is-open .nav-links li:nth-child(4) { transition-delay: .12s; }
  .js:not(.no-motion) .site-nav.is-open .nav-links li:nth-child(5) { transition-delay: .16s; }
  .js:not(.no-motion) .site-nav.is-open .nav-links li:nth-child(6) { transition-delay: .20s; }
  .js:not(.no-motion) .site-nav.is-open .btn { transition-delay: .26s; }
  .nav-links { flex-direction: column; align-items: flex-start; gap: .5rem; width: 100%; }
  .nav-link {
    font: 400 clamp(1.9rem, 8vw, 2.6rem) / 1.25 var(--font-serif);
    letter-spacing: var(--track-h2);
    padding-block: .35rem;
  }
  .site-nav .btn { margin-top: 2rem; }
  body.menu-open { overflow: hidden; }
}

/* ---- Hero --------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + clamp(4.5rem, 14vh, 9rem));
  padding-bottom: clamp(4rem, 10vh, 7rem);
  min-height: 86svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
/* Vinhetado Graphite: profundidade atrás da tipografia (plano B3; paleta oficial) */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(70rem 42rem at 50% -12%, color-mix(in srgb, var(--c-graphite) 60%, transparent), transparent 70%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
/* Eixo central SÓ na home (plano B1); heroes internos .hero--sub seguem
   à esquerda — identidade deles não foi revisada (revisor técnico, T3) */
.hero:not(.hero--sub) .container {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
/* especificidade acima do genérico .section > .container > .label (D6) */
.section.hero > .container > .label { margin-bottom: clamp(1.5rem, 4vh, 2.5rem); }
.hero h1 { max-width: 13ch; }
.hero:not(.hero--sub) h1 { max-width: 18ch; }
.hero .lead { max-width: 36em; margin-top: 1.75rem; text-wrap: pretty; }
.hero:not(.hero--sub) .lead { margin-inline: auto; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2.5rem; }
.hero:not(.hero--sub) .hero-ctas { justify-content: center; }
.hero .slogan { margin-top: 3.5rem; }

/* ---- Grids -------------------------------------------------- */

.grid-2 { display: grid; gap: clamp(1.5rem, 4vw, 3rem); }
.grid-3 { display: grid; gap: clamp(1.25rem, 2vw, 1.75rem); } /* calha no ritmo da grid-2 (D3) */
@media (min-width: 48rem) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Lista de passos com numeração serif */
.steps { list-style: none; padding: 0; counter-reset: step; display: grid; gap: 1.5rem; }
@media (min-width: 48rem) { .steps { grid-template-columns: repeat(4, 1fr); } }
.steps li { counter-increment: step; border-top: 1px solid var(--line); padding-top: 1.25rem; }
.steps li::before {
  content: "0" counter(step);
  display: block;
  font: 400 2rem / 1 var(--font-serif);
  letter-spacing: -0.02em;
  color: var(--accent); /* numeração editorial: uso aprovado do acento */
  margin-bottom: .9rem;
}
.steps .h3 { margin-bottom: .5rem; }
.steps li p, .card p { text-wrap: pretty; } /* sem órfãs nas colunas (D8) */

/* ---- Footer ------------------------------------------------- */

.site-footer {
  background: var(--c-deep-black);
  color: var(--c-soft-white);
  border-top: 1px solid color-mix(in srgb, var(--c-titanium) 22%, transparent);
  padding-block: clamp(3.5rem, 8vh, 5.5rem) 2.5rem;
}
.footer-top { display: grid; gap: 2.5rem; margin-bottom: 3rem; }
@media (min-width: 48rem) { .footer-top { grid-template-columns: 1.4fr 1fr 1fr 1fr; } }
.footer-brand img { height: 2.6rem; width: auto; }
.footer-brand .slogan { margin-top: 1.1rem; }
.footer-col .footer-title {
  font: 600 var(--text-label) / 1 var(--font-sans);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--c-titanium);
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; padding: 0; display: grid; gap: .6rem; }
.footer-col a { text-decoration: none; }
.footer-col a:hover { text-decoration: underline; }
.footer-note { color: var(--c-titanium); font-size: var(--text-small); max-width: 44em; }
.footer-legal {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid color-mix(in srgb, var(--c-titanium) 16%, transparent);
  display: flex; flex-wrap: wrap; gap: 1rem 2rem;
  justify-content: space-between;
  color: var(--c-titanium);
  font-size: var(--text-small);
}


/* ===== src/css/components.css ===== */
/* ============================================================
   PAVURU · components.css — botões, cards, divisores, cortina,
   cursor, formulário
   ============================================================ */

/* ---- Botões (M6: líquido + rolagem de rótulo) --------------- */

.btn {
  --fill: var(--fg);
  --ink-hover: var(--bg);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.05rem 2.1rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, currentColor 55%, transparent);
  font: 600 1rem / 1 var(--font-sans);
  text-decoration: none;
  color: var(--fg);
  isolation: isolate;
  overflow: clip;
  transition:
    transform var(--dur-ui) var(--ease-brand),
    color .25s var(--ease-brand),
    border-color var(--dur-ui) var(--ease-brand);
}
.btn .btn-fill {
  position: absolute; inset: 0;
  z-index: -1;
  border-radius: inherit;
  overflow: clip;
  transform: translateZ(0);
}
.btn .btn-fill::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--fill);
  border-radius: 42% 42% 0 0;
  transform: translateY(103%);
  transition: transform .45s var(--ease-liquid), border-radius .8s var(--ease-liquid);
}
@media (pointer: fine) {
  .btn:hover {
    transform: scale(1.015); /* uniforme: não estica as letras */
    color: var(--ink-hover); /* rótulo cruza de cor junto com o fill */
    border-color: var(--accent);
    transition:
      transform var(--dur-ui) var(--ease-brand),
      color .25s var(--ease-brand) .08s,
      border-color var(--dur-ui) var(--ease-brand);
  }
  .btn:hover .btn-fill::before { transform: translateY(0); border-radius: 0; }
}
.btn:active { transform: scale(.985); transition: transform .1s ease-out; }

.btn--solid {
  background: var(--fg);
  color: var(--bg);
  border-color: transparent;
}
.btn--solid .btn-fill { display: none; }
.btn--solid:hover { color: var(--bg); } /* rótulo do sólido não muda */

/* Link-seta discreto */
.link-more {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--accent); /* link de destaque: uso aprovado do acento */
}
.link-more { position: relative; }
.link-more::after { content: "→"; transition: translate .3s var(--ease-brand); }
/* sublinhado que se desenha (par do nav-link; referência home_02) */
.link-more::before {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -.2em;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: 100% 50%;
  transition: transform .3s var(--ease-brand);
}
@media (pointer: fine) {
  .link-more:hover::after { translate: .3rem 0; }
  .link-more:hover::before { transform: scaleX(1); transform-origin: 0 50%; }
}
.link-more:active { opacity: .75; transition: opacity .1s ease-out; }
/* Mobile: rótulo pode quebrar — vira link de texto com sublinhado e a
   seta gruda na última palavra (conselho crítico 09/11, D2) */
@media (max-width: 47.9rem) {
  .link-more {
    display: inline;
    text-decoration: underline;
    text-underline-offset: .25em;
    text-decoration-thickness: 1px;
  }
  .link-more::before { content: none; }
  .link-more::after { display: inline-block; margin-left: .4rem; }
}

/* ---- Cards -------------------------------------------------- */

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: transform .35s var(--ease-brand), border-color .35s;
}
@media (pointer: fine) {
  .card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
}
.card .h3 { letter-spacing: -0.01em; }
.card .who { color: var(--fg-soft); font-size: var(--text-small); margin-top: auto; padding-top: .75rem; }

/* Bloco de serviço (página Serviços) */
.service { display: grid; gap: 1.25rem; padding-block: clamp(2.5rem, 6vh, 4rem); }
@media (min-width: 48rem) { .service { grid-template-columns: minmax(0,1.1fr) minmax(0,1fr); gap: clamp(2rem,5vw,4rem); } }
.service ul { padding-left: 1.1rem; display: grid; gap: .45rem; }
.service .who { color: var(--fg-soft); }

/* Problema → solução (página Soluções) */
.problem { display: grid; gap: 1rem; padding-block: clamp(2rem, 5vh, 3rem); }
@media (min-width: 48rem) { .problem { grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); } }
.problem .q { font-family: var(--font-serif); font-size: var(--text-h2-sm); line-height: 1.2; letter-spacing: var(--track-h2); }

/* ---- Cartão-convite (porta de entrada; plano C3 — ref. home_04) ---- */

.cta-card {
  background: var(--bg);
  color: var(--fg);
  border-radius: var(--radius-xl);
  padding: clamp(2.5rem, 7vw, 4.5rem);
}
/* ritmo interno próprio: o stack-lg genérico deixava tudo a ~64px (D4) */
.cta-card.stack-lg > * + * { margin-top: clamp(1.5rem, 4vh, 2.25rem); }
.cta-card .h2 { margin-top: clamp(2rem, 5vh, 3rem); }

/* ---- Divisor elástico (M4) ---------------------------------- */

.elastic-line {
  position: relative;
  height: 1px;
  color: var(--line);
}
.elastic-line svg {
  position: absolute;
  left: 0; right: 0;
  top: -80px;
  width: 100%;
  height: 160px;
  overflow: visible;
}
.elastic-line path {
  fill: none;
  stroke: currentColor;
  stroke-width: 1px;
  vector-effect: non-scaling-stroke;
}
.elastic-zone { position: absolute; inset: -56px 0; }
/* Mobile: o vão antes dos divisores encolhe — ~45% da viewport de preto
   lia-se como fim de página (conselho crítico 09/11, D5) */
@media (max-width: 47.9rem) {
  .elastic-line.mt-pad, .filament.mt-pad { margin-top: calc(var(--section-pad) * .55); }
}

/* ---- Cortina 45° entre páginas (M5) -------------------------- */

.curtain {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  visibility: hidden;
  pointer-events: none;
  overflow: clip;
}
.curtain .curtain-fill {
  position: absolute;
  left: 50%; top: 50%;
  width: 320vmax; height: 320vmax;
  background: var(--c-deep-black);
  transform: translate(-50%, -50%) rotate(45deg) translateY(320vmax);
}
.curtain .curtain-mark { position: relative; width: clamp(3rem, 6vw, 4rem); opacity: 0; }
html.curtain-hold .curtain { visibility: visible; }
html.curtain-hold .curtain .curtain-fill { transform: translate(-50%, -50%) rotate(45deg); }
html.curtain-hold .curtain .curtain-mark { opacity: 1; }
html.curtain-hold body { overflow: hidden; }
/* Resgate: se o JS de movimento falhar, a cortina NUNCA pode prender a página */
html.no-motion .curtain { visibility: hidden !important; }
html.no-motion body { overflow: auto !important; }

/* ---- Cursor-ponto (M9) --------------------------------------- */

.cursor {
  position: fixed;
  top: 0; left: 0;
  z-index: 950;
  width: 14px; height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: #fff;
  mix-blend-mode: exclusion;
  pointer-events: none;
  opacity: 0;
}
@media (pointer: coarse) { .cursor { display: none; } }

/* ---- Formulário ---------------------------------------------- */

.form { display: grid; gap: 1.5rem; }
.field { display: grid; gap: .5rem; }
.field label { font: 600 var(--text-small) / 1.3 var(--font-sans); }
.field input, .field select, .field textarea {
  width: 100%;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: .95rem 1.1rem;
  color: var(--fg);
  font: inherit;
  transition: border-color var(--dur-ui) var(--ease-brand);
}
.field :is(input, select, textarea):focus-visible {
  outline: none;
  border-color: var(--accent-hi); /* foco no acento */
}
.field ::placeholder { color: var(--fg-soft); opacity: 1; }
.field select:invalid { color: var(--fg-soft); }
.field textarea { min-height: 9rem; resize: vertical; }
.field-error {
  display: none;
  font-size: var(--text-small);
  font-weight: 600;
}
.field.is-error .field-error { display: block; }
.field.is-error :is(input, select, textarea) { border-color: var(--fg); border-width: 2px; }
.form-privacy { color: var(--fg-soft); font-size: var(--text-small); }

.post-send { display: none; }
.post-send.is-visible { display: block; margin-top: 2rem; }
.post-send:focus { outline: none; } /* foco programático sem anel para mouse; links internos mantêm o foco visível */
.post-send .links { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.5rem; }
.post-send .msg-copy {
  width: 100%;
  min-height: 7.5rem;
  margin-top: 1.25rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: .75rem;
  padding: .95rem 1.1rem;
  color: var(--fg);
  font: inherit;
  resize: vertical;
}

/* ---- Definições (Sobre) --------------------------------------- */
.defs { display: grid; gap: 1.5rem; }
@media (min-width: 48rem) { .defs { grid-template-columns: repeat(2, 1fr); } }
.defs > div { border-top: 1px solid var(--line); padding-top: 1.1rem; }
.defs dt {
  font: 600 var(--text-label)/1 var(--font-sans);
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--fg-soft);
  margin-bottom: .6rem;
}
.defs dd { margin: 0; font-family: var(--font-serif); font-size: 1.25rem; line-height: 1.4; }

/* ---- Filamento fotônico (divisor animado; par do elastic-line) ---- */

.filament { position: relative; height: 4.5rem; }
.filament-line {
  position: absolute; left: 0; right: 0; top: 50%;
  height: 1px;
  background: rgba(154, 157, 163, .32); /* fio de titânio */
}
.filament canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }