/* Hallmark · sistema compartilhado do site ForSign (base, nav N5, footer Ft2, botões, tiles)
 * genre: modern-minimal · tom: austero · theme: custom "ForSign" (ver tokens.css)
 * nav: N5 Floating pill (content-sized, blur, colapsa em folha abaixo de 60rem)
 * footer: colunas por assunto (marca e contato · 4 colunas · linha legal e redes)
 */

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

html { overflow-x: clip; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  overflow-x: clip;
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}

::selection { background: var(--color-accent); color: var(--color-accent-ink); }

img, svg { max-width: 100%; height: auto; display: block; }
figure { margin: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3 { margin: 0; font-family: var(--font-display); font-style: normal; letter-spacing: -0.025em; overflow-wrap: anywhere; min-width: 0; }
h1 { font-weight: 600; line-height: 1.02; }
h2 { font-weight: 600; line-height: 1.08; }
h3 { font-weight: 600; line-height: 1.2; }

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

.wrap { max-width: var(--page-max); margin-inline: auto; padding-inline: var(--page-gutter); }
.tnum { font-variant-numeric: tabular-nums; }
.muted { color: var(--color-muted); }
.lede { font-size: var(--text-md); line-height: 1.5; color: var(--color-ink-2); max-width: 46ch; }

.skip {
  position: absolute; left: var(--space-md); top: -3rem; z-index: var(--z-tooltip);
  background: var(--color-ink); color: var(--color-paper); padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm); text-decoration: none;
}
.skip:focus-visible { top: var(--space-md); }

/* ---------- Botões e links (8 estados nos interativos) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  min-height: 44px; padding: var(--space-xs) var(--space-lg);
  border-radius: var(--radius-pill);
  background: var(--color-ink); color: var(--color-paper);
  border: var(--rule-hair) solid var(--color-ink);
  font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm); letter-spacing: -0.005em;
  text-decoration: none; white-space: nowrap; cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out), border-color var(--dur-short) var(--ease-out), transform 100ms var(--ease-out);
}
.btn:hover { background: var(--color-ink-soft); border-color: var(--color-ink-soft); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.btn[aria-disabled="true"], .btn:disabled { opacity: 0.45; pointer-events: none; }
/* Amarelo do produto (fundo #FFCD00 + borda preta, como o botão primário do app). Uso: no máximo o CTA do hero, o CTA final e um botão desenhado por página. */
.btn--signal { background: var(--color-signal); color: var(--color-ink); border-color: var(--color-ink); }
.btn--signal:hover { background: var(--color-signal-deep); border-color: var(--color-ink); }
.btn--ghost { background: transparent; color: var(--color-ink); border-color: var(--color-ink); }
.btn--ghost:hover { background: var(--color-paper-2); border-color: var(--color-ink); }
.btn--lg { min-height: 52px; padding: var(--space-sm) var(--space-xl); font-size: var(--text-base); }
@media (hover: hover) and (pointer: fine) { .btn--lg:hover { transform: translateY(-1.5px); } .btn--lg:active { transform: translateY(0); } }

.link-arrow {
  display: inline-flex; align-items: center; gap: 0.35em;
  color: var(--color-accent); font-family: var(--font-display); font-weight: 500;
  text-decoration: none; white-space: nowrap; min-height: 44px;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-short) var(--ease-out);
}
.link-arrow::after { content: "→"; transition: transform var(--dur-short) var(--ease-out); }
.link-arrow:hover { border-bottom-color: var(--color-accent); }
.link-arrow:hover::after { transform: translateX(3px); }
.link-arrow:active { color: var(--color-accent-deep); }

/* ---------- Nav — N5 Floating pill ---------- */
.nav {
  position: fixed; top: var(--space-md); left: 50%; transform: translateX(-50%);
  z-index: var(--z-sticky);
  display: inline-flex; align-items: center; gap: var(--space-md);
  max-width: calc(100% - 2 * var(--space-md));
  padding: var(--space-xs) var(--space-xs) var(--space-xs) var(--space-md);
  background: color-mix(in oklch, var(--color-paper) 80%, transparent);
  backdrop-filter: blur(14px) saturate(120%); -webkit-backdrop-filter: blur(14px) saturate(120%);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 24px -14px color-mix(in oklch, var(--color-shadow) 40%, transparent);
}
.nav__brand { display: inline-flex; align-items: center; min-height: 36px; flex: none; }
.nav__brand img { width: 96px; height: 19px; max-width: none; flex: none; }
.nav__links { display: none; align-items: center; gap: var(--space-2xs); }
.nav__link {
  display: inline-flex; align-items: center; min-height: 36px; padding: 0 var(--space-sm);
  border-radius: var(--radius-pill); text-decoration: none; white-space: nowrap;
  font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500; color: var(--color-ink-2);
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.nav__link:hover { background: var(--color-paper-2); color: var(--color-ink); }
.nav__link:active { background: var(--color-paper-3); }
.nav__link[aria-current="page"] { color: var(--color-ink); }
.nav__cta { display: none; min-height: 36px; padding: 0 var(--space-md); }
.nav__menu {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4em;
  min-height: 36px; min-width: 44px; padding: 0 var(--space-sm); border: 0; border-radius: var(--radius-pill);
  background: var(--color-ink); color: var(--color-paper); font: inherit; font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500;
  cursor: pointer; white-space: nowrap;
}
.nav__menu:active { transform: translateY(1px); }
.nav__menu[aria-expanded="true"] { background: var(--color-ink-soft); }

.nav-sheet {
  position: fixed; top: calc(var(--space-md) + 3.4rem); left: var(--space-md); right: var(--space-md);
  z-index: var(--z-dropdown);
  padding: var(--space-md);
  background: var(--color-paper); border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px -20px color-mix(in oklch, var(--color-shadow) 50%, transparent);
  display: grid; gap: var(--space-2xs);
  max-height: calc(100dvh - 6rem); overflow-y: auto;
  opacity: 0; transform: translateY(-6px); pointer-events: none;
  transition: opacity var(--dur-short) var(--ease-in), transform var(--dur-short) var(--ease-in);
}
.nav-sheet.is-open { opacity: 1; transform: none; pointer-events: auto; transition-timing-function: var(--ease-out); }
.nav-sheet a { display: flex; align-items: center; min-height: 44px; padding: 0 var(--space-sm); border-radius: var(--radius-sm); text-decoration: none; font-family: var(--font-display); font-weight: 500; }
.nav-sheet a:hover { background: var(--color-paper-2); }
.nav-sheet .btn { margin-top: var(--space-xs); justify-content: center; }

/* Submenu de Funcionalidades (painel sob a pílula; abre por clique/teclado, e por hover em ponteiro fino) */
.nav__item { position: relative; }
.nav__link--btn { border: 0; background: transparent; font: inherit; font-family: var(--font-display); font-size: var(--text-sm); font-weight: 500; cursor: pointer; gap: var(--space-2xs); }
.nav__link--search { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; }
.nav__chev { transition: transform var(--dur-short) var(--ease-out); }
.nav__link--btn[aria-expanded="true"] { background: var(--color-paper-2); color: var(--color-ink); }
.nav__link--btn[aria-expanded="true"] .nav__chev { transform: rotate(180deg); }
.nav__sub {
  position: absolute; top: calc(100% + var(--space-sm)); left: 50%; transform: translateX(-50%) translateY(-6px);
  width: min(42rem, calc(100vw - 2 * var(--space-md)));
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xs);
  padding: var(--space-sm);
  background: var(--color-paper); border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px -20px color-mix(in oklch, var(--color-shadow) 50%, transparent);
  opacity: 0; pointer-events: none; visibility: hidden;
  transition: opacity var(--dur-short) var(--ease-in), transform var(--dur-short) var(--ease-in), visibility 0s linear var(--dur-short);
}
.nav__sub::before { content: ""; position: absolute; left: 0; right: 0; top: calc(-1 * (var(--space-md) + var(--space-2xs))); height: calc(var(--space-md) + var(--space-2xs)); }  /* ponte: cobre o vão entre o botão e o painel para o hover não cair */
.nav__item--sub.is-open .nav__sub { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; visibility: visible; transition-timing-function: var(--ease-out); transition-delay: 0s; }
@media (hover: hover) and (pointer: fine) {
  .nav__item--sub:hover .nav__sub { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; visibility: visible; transition-timing-function: var(--ease-out); transition-delay: 0s; }
}
.nav__sub--narrow { width: min(26rem, calc(100vw - 2 * var(--space-md))); grid-template-columns: minmax(0, 1fr); }
.nav__sub-link { display: grid; gap: var(--space-3xs); padding: var(--space-sm) var(--space-md); border-radius: var(--radius-md); text-decoration: none; min-height: 44px; transition: background-color var(--dur-short) var(--ease-out); }
.nav__sub-link strong { font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm); color: var(--color-ink); }
.nav__sub-link span { font-size: var(--text-xs); color: var(--color-muted); line-height: 1.4; }
.nav__sub-link:hover { background: var(--color-paper-2); }
.nav__sub-link:active { background: var(--color-paper-3); }
.nav__sub-link[aria-current="page"] { background: var(--color-accent-soft); }
.nav__sub-link[aria-current="page"] strong { color: var(--color-accent-deep); }
.nav__sub-all { grid-column: 1 / -1; display: inline-flex; align-items: center; gap: 0.35em; min-height: 44px; padding: 0 var(--space-md); margin-top: var(--space-2xs); border-top: var(--rule-hair) solid var(--color-rule-2); font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm); color: var(--color-accent-deep); text-decoration: none; white-space: nowrap; }
.nav__sub-all::after { content: "→"; }
.nav__sub-all:hover { text-decoration: underline; }

/* Folha mobile: grupo de funcionalidades */
.nav-sheet__group { margin: 0; padding: var(--space-xs) var(--space-sm) var(--space-3xs); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted); }
.nav-sheet__sub { padding-left: var(--space-lg) !important; font-weight: 400 !important; }
.nav-sheet__sub[aria-current="page"], .nav-sheet a[aria-current="page"] { color: var(--color-accent-deep); }
.nav-sheet__sub + .nav-sheet__group { margin-top: var(--space-xs); border-top: var(--rule-hair) solid var(--color-rule-2); padding-top: var(--space-sm); }
.nav-sheet__sub + a:not(.nav-sheet__sub) { margin-top: var(--space-xs); border-top: var(--rule-hair) solid var(--color-rule-2); border-radius: 0; padding-top: var(--space-xs); }

@media (min-width: 60rem) {
  .nav__links { display: inline-flex; }
  .nav__cta { display: inline-flex; }
  .nav__menu, .nav-sheet { display: none; }
}

/* ---------- Tiles (compartilhados pela home e pelas landings) ---------- */
.tile {
  position: relative;
  background: var(--color-paper-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-width: 0;
}
.tile__body { padding: clamp(1.5rem, 4vw, 3rem); display: grid; gap: var(--space-md); align-content: start; min-width: 0; }
.tile__body > * { min-width: 0; }
.tile__body h2 { font-size: var(--text-xl); }
.tile__body p { color: var(--color-ink-2); max-width: 48ch; }
.tile__art { min-width: 0; display: grid; align-items: end; }

/* ---------- Footer — Ft2 Inline single line, duas linhas ---------- */
.foot { border-top: var(--rule-hair) solid var(--color-rule); padding-block: var(--space-2xl) var(--space-xl); font-size: var(--text-sm); color: var(--color-muted); }
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot a { text-decoration: none; color: var(--color-ink-2); }
.foot a:hover { color: var(--color-ink); text-decoration: underline; }
.foot a:active { color: var(--color-accent-deep); }
.foot__top { display: grid; gap: var(--space-xl); }
@media (min-width: 60rem) { .foot__top { grid-template-columns: minmax(0, 18rem) minmax(0, 1fr); gap: var(--space-3xl); } }
.foot__about { display: grid; gap: var(--space-sm); align-content: start; }
.foot__about p { max-width: 30ch; }
.foot__brand { display: inline-flex; align-items: center; min-height: 44px; }
.foot__brand img { width: 108px; height: auto; max-width: none; }
.foot__contact a { display: inline-flex; align-items: center; min-height: 44px; }
.foot__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xl) var(--space-lg); }
@media (min-width: 48rem) { .foot__cols { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.foot__col h2 { font-family: var(--font-display); font-weight: 500; font-size: var(--text-sm); color: var(--color-ink); margin-bottom: var(--space-xs); }
.foot__col a { display: inline-flex; align-items: center; min-height: 44px; }
.foot__col a[aria-current="page"] { color: var(--color-accent-deep); }
.foot__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--space-xs) var(--space-lg); margin-top: var(--space-2xl); padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-rule-2); font-size: var(--text-xs); }
.foot__social { display: flex; flex-wrap: wrap; gap: var(--space-lg); }
.foot__social a { display: inline-flex; align-items: center; min-height: 44px; }
@media (min-width: 60rem) and (pointer: fine) { .foot__col a, .foot__contact a { min-height: 2rem; } }

/* ---------- Revelação única (one-shot) ---------- */
.js .reveal { opacity: 0; transform: translateY(8px); }
.js .reveal.is-in { opacity: 1; transform: none; transition: opacity var(--dur-long) var(--ease-out), transform var(--dur-long) var(--ease-out); }
.js .hero .reveal.is-in { transition-delay: calc(var(--i, 0) * 120ms); }  /* só o hero escalona; abaixo da dobra cada bloco revela sozinho */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  .js .reveal { transform: none; }
  .js .hero .reveal.is-in { transition-delay: 0ms; }
  .link-arrow:hover::after { transform: none; }
  .btn--lg:hover { transform: none; }
  .nav__sub { transform: translateX(-50%); }
  .nav__chev { transition: none; }
}