/* Pet América — base: reset, tipografia, foco, layout, reduced-motion.
   Só lê tokens.css. Fonte Figtree vem do <link> do Google Fonts (partials/head.html). */

@font-face {
  font-family: "Paper Mono";
  src: url("../fonts/PaperMono-VF.woff2") format("woff2");
  font-weight: 100 800;
  font-style: normal;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + var(--spacing-16)); }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--sans);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--text);
  background: var(--bg-app);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
main { flex: 1 0 auto; display: block; }
img, svg, video { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

/* Títulos: um só peso de display, tracking negativo, sem caixa alta */
h1, h2, h3, h4 { margin: 0; color: var(--text-strong); font-weight: var(--weight-announce); line-height: var(--leading-heading); letter-spacing: var(--track-heading); text-wrap: balance; }
h1 { font-size: var(--text-h1); font-weight: var(--weight-display); letter-spacing: var(--track-display); line-height: var(--leading-tight); }
h2 { font-weight: var(--weight-display); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-lead); }
p { margin: 0; text-wrap: pretty; }
.display { font-size: var(--text-display); line-height: var(--leading-tight); letter-spacing: var(--track-display); }
.lead { font-size: var(--text-lead); line-height: 1.6; color: var(--text); max-width: 46ch; }
.small { font-size: var(--text-small); line-height: 1.55; }
.muted { color: var(--text-muted); }
.prose { max-width: 68ch; }
/* fio de separação: a divisão principal do site é linha de 1px, não caixa */
.rule { border: 0; border-top: 1px solid var(--border); margin: 0; } /* SPEC: máx. 68 caracteres por linha */

/* Dado exato em mono: telefone, CNPJ, CRMV. Zero cortado ligado, ligadura desligada. */
.mono, code, kbd {
  font-family: var(--mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "zero" 1;
  font-variant-ligatures: none;
  letter-spacing: 0;
}
.tnum { font-variant-numeric: tabular-nums; }

/* Links */
a { color: var(--acento); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.2em; text-decoration-color: color-mix(in srgb, currentColor 40%, transparent); transition: color var(--dur-micro) var(--ease-signature), text-decoration-color var(--dur-micro) var(--ease-signature); }
a:hover { color: var(--acento-forte); text-decoration-color: currentColor; }

/* Foco visível (a11y): anel de 2px + respiro, só para teclado */
:focus { outline: none; }
:focus-visible { outline: var(--stroke-thick) solid var(--acento); outline-offset: 3px; }
.on-dark :focus-visible, [data-tone="dark"] :focus-visible { outline-color: var(--n-0); }

::selection { background: var(--verde-100); color: var(--n-900); }

/* Layout */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(var(--spacing-32), 2rem + 3vw, var(--spacing-72)); }
.section--alt { background: var(--bg-panel); }
.section--flush-top { padding-top: 0; }

.stack { display: flex; flex-direction: column; gap: var(--stack-gap, var(--spacing-16)); }
.stack--sm { --stack-gap: var(--spacing-8); }
.stack--lg { --stack-gap: var(--spacing-32); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--cluster-gap, var(--spacing-12)); }
.cluster--lg { --cluster-gap: var(--spacing-24); }
.grid { display: grid; gap: var(--grid-gap, var(--spacing-24)); }
/* auto-fit sem breakpoint: colunas de no mínimo --col-min */
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--col-min, 280px)), 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 440px), 1fr)); }
.split { display: grid; gap: var(--spacing-32) var(--spacing-64); align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: var(--split, 1fr 1fr); } }

.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; }
.no-scroll { overflow: hidden; }

/* Movimento: entrada de seção (uma vez), só transform + opacity.
   Sem JS/observer o conteúdo já nasce visível: a classe .reveal só é aplicada por site.js. */
.reveal { opacity: 0; transform: translateY(var(--spacing-12)); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity var(--dur-reveal) var(--ease-enter), transform var(--dur-reveal) var(--ease-enter); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; scroll-behavior: auto !important; } /* durações já viram ~0 via --frame em tokens.css */
  .reveal { opacity: 1; transform: none; }
}