/* ==========================================================================
   Horizonte Digital — folha de estilo única
   Mobile-first · breakpoint do menu em 768px · compatível com CSP 'self'
   Sumário:
   1. Tokens          6. Botões              11. Etapas / diferenciais
   2. Reset/base      7. Seções e cabeçalhos 12. Serviço detalhado / FAQ
   3. Foco visível    8. Hero                13. Faixa de CTA
   4. Header/nav      9. Grid e cards        14. Formulário e contato
   5. Footer         10. Prosa/avisos        15. Utilitários · 16. Movimento
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------
   Contrastes (WCAG) das combinações de texto usadas:
   --color-text    #1E293B / #FFFFFF  ≈ 14.6:1 · / #F4F7FA ≈ 13.6:1
   --color-muted   #475569 / #FFFFFF  ≈ 7.6:1  · / #F4F7FA ≈ 7.0:1
   --color-primary #0B2545 / #FFFFFF  ≈ 15.6:1
   --color-secondary #13636B / #FFFFFF ≈ 6.7:1 (links e texto branco sobre botão)
   #0B2545 sobre --color-accent #F2A541 ≈ 8.3:1 (botão de destaque)
   --color-footer-text #E2E8F0 / #0B2545 ≈ 13.2:1 · #F2A541 / #0B2545 ≈ 8.3:1
   --color-error #B42318 / #FFFFFF ≈ 6.5:1 · --color-success #146C43 / #FFFFFF ≈ 6.4:1
   O âmbar nunca é usado como cor de texto sobre fundo claro. */
:root {
  --color-primary: #0B2545;
  --color-primary-700: #133461;
  --color-secondary: #13636B;
  --color-secondary-700: #0E4D53;
  --color-secondary-50: #E6F2F3;
  --color-accent: #F2A541;
  --color-accent-300: #F7C27A;
  --color-accent-50: #FEF5E7;
  --color-bg: #FFFFFF;
  --color-surface: #F4F7FA;
  --color-text: #1E293B;
  --color-muted: #475569;
  --color-border: #D6DEE6;
  --color-error: #B42318;
  --color-error-50: #FEF3F2;
  --color-success: #146C43;
  --color-success-50: #ECFDF3;
  --color-footer-text: #E2E8F0;

  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-heading: var(--font-body);

  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: clamp(1.125rem, 1rem + 0.5vw, 1.3rem);
  --fs-h3: clamp(1.15rem, 1.05rem + 0.4vw, 1.375rem);
  --fs-h2: clamp(1.5rem, 1.25rem + 1.1vw, 2.25rem);
  --fs-h1: clamp(2rem, 1.5rem + 2.4vw, 3.25rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --section-space: clamp(3rem, 2rem + 4vw, 6rem);

  --container: 1200px;
  --measure: 70ch;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(11, 37, 69, 0.06), 0 1px 3px rgba(11, 37, 69, 0.08);
  --shadow-md: 0 4px 12px rgba(11, 37, 69, 0.08), 0 2px 4px rgba(11, 37, 69, 0.06);
  --transition: 160ms ease;
  --header-height: 4.5rem;
}

/* 2. Reset e base --------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-height) + var(--space-4));
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

main {
  flex: 1 0 auto;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  line-height: 1.2;
  margin: 0 0 var(--space-4);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); letter-spacing: -0.02em; }
h2 { font-size: var(--fs-h2); letter-spacing: -0.01em; }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-md); }

p,
ul,
ol,
dl {
  margin: 0 0 var(--space-4);
}

p { max-width: var(--measure); }

a {
  color: var(--color-secondary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary);
  text-decoration-thickness: 2px;
}

strong { font-weight: 700; }

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-6) 0;
}

/* 3. Foco visível --------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 2px var(--color-primary);
  border-radius: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

[tabindex="-1"]:focus {
  outline: none;
  box-shadow: none;
}

.skip-link {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  z-index: 1000;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: #FFFFFF;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  color: #FFFFFF;
}

/* 4. Header e navegação --------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 0.5rem + 2.5vw, 2rem);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
  min-height: var(--header-height);
  padding-block: var(--space-3);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
}

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

.brand__mark {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
}

.brand__accent { color: var(--color-secondary); }

/* Sem JS (padrão): a navegação fica sempre visível e quebra linha. */
.site-nav { width: 100%; }

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  position: relative;
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-text);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius-sm);
}

.site-nav__link:hover {
  color: var(--color-secondary);
  background: var(--color-secondary-50);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-primary);
  font-weight: 700;
}

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: var(--space-3);
  right: var(--space-3);
  bottom: 0.2rem;
  height: 3px;
  border-radius: 2px;
  background: var(--color-accent);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-primary);
  font-weight: 600;
  cursor: pointer;
}

.nav-toggle:hover { background: var(--color-surface); }

.nav-toggle__icon,
.nav-toggle__icon::before,
.nav-toggle__icon::after {
  display: block;
  width: 1.25rem;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle__icon { position: relative; }

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__icon::before { top: -6px; }
.nav-toggle__icon::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__icon { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after { transform: translateY(-6px) rotate(-45deg); }

/* Com JS (classe .js no <html>) e tela estreita: menu recolhido em botão. */
@media (max-width: 768px) {
  .js .site-nav { width: auto; }

  .js .nav-toggle { display: inline-flex; }

  .js .site-nav__list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-3) clamp(1rem, 0.5rem + 2.5vw, 2rem) var(--space-5);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }

  .js .site-nav.is-open .site-nav__list { display: flex; }

  .js .site-nav__link { padding: var(--space-3); }

  .js .site-nav__link[aria-current="page"]::after {
    left: 0;
    right: auto;
    top: var(--space-2);
    bottom: var(--space-2);
    width: 3px;
    height: auto;
  }
}

@media (min-width: 769px) {
  .site-header__inner { flex-wrap: nowrap; }

  .site-nav,
  .js .site-nav { width: auto; }

  .site-nav__list,
  .js .site-nav__list {
    display: flex;
    flex-wrap: nowrap;
    position: static;
    flex-direction: row;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
  }

  .nav-toggle,
  .js .nav-toggle { display: none; }
}

/* 5. Footer --------------------------------------------------------------- */
.site-footer {
  margin-top: auto;
  background: var(--color-primary);
  color: var(--color-footer-text);
  padding-top: var(--space-8);
  font-size: 0.95rem;
}

.site-footer a { color: var(--color-accent); }
.site-footer a:hover { color: #FFFFFF; }

.site-footer h2,
.site-footer .footer-title {
  color: #FFFFFF;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
  padding-bottom: var(--space-7);
}

.site-footer .brand,
.site-footer .brand:hover { color: #FFFFFF; }
.site-footer .brand__accent { color: var(--color-accent); }

.footer-about p { margin-top: var(--space-4); }

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

.footer-links li + li { margin-top: var(--space-2); }

.footer-contact { font-style: normal; }
.footer-contact p { margin-bottom: var(--space-2); }

.site-footer__bottom {
  border-top: 1px solid rgba(226, 232, 240, 0.2);
  padding-block: var(--space-5);
  font-size: var(--fs-sm);
}

.site-footer__bottom p { max-width: none; margin-bottom: var(--space-2); }
.site-footer__bottom p:last-child { margin-bottom: 0; }

.disclaimer-badge {
  display: inline-block;
  padding: 0.1rem var(--space-2);
  margin-right: var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

@media (min-width: 640px) {
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 960px) {
  .site-footer__grid { grid-template-columns: 2fr 1fr 1fr 1.4fr; }
}

/* 6. Botões --------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.875rem;
  padding: var(--space-3) var(--space-5);
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #FFFFFF;
}

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

.btn--secondary {
  background: var(--color-bg);
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.btn--secondary:hover {
  background: var(--color-secondary-50);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.btn--accent:hover {
  background: var(--color-accent-300);
  border-color: var(--color-accent-300);
  color: var(--color-primary);
}

/* Para fundos escuros (azul profundo). */
.btn--light {
  background: transparent;
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.btn--light:hover {
  background: #FFFFFF;
  color: var(--color-primary);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 600;
}

.link-arrow::after {
  content: "→";
  transition: transform var(--transition);
}

.link-arrow:hover::after { transform: translateX(3px); }

/* 7. Seções e cabeçalhos -------------------------------------------------- */
.section { padding-block: var(--section-space); }
.section--alt { background: var(--color-surface); }
.section--tight { padding-block: calc(var(--section-space) / 2); }

.section__header {
  max-width: 48rem;
  margin-bottom: var(--space-7);
}

.section__header--center {
  margin-inline: auto;
  text-align: center;
}

.section__header--center p { margin-inline: auto; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  color: var(--color-secondary);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 3px;
  border-radius: 2px;
  background: var(--color-accent);
}

.lead {
  font-size: var(--fs-lg);
  color: var(--color-muted);
}

.page-header {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3rem, 2rem + 4vw, 5rem);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.page-header::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(40%, 22rem);
  background: url("../img/pattern-geo.svg") repeat;
  background-size: 120px 120px;
  opacity: 0.9;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to left, #000 30%, transparent);
  mask-image: linear-gradient(to left, #000 30%, transparent);
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-header p { color: var(--color-muted); font-size: var(--fs-lg); }

.page-header__meta { font-size: var(--fs-sm); }

/* 8. Hero ----------------------------------------------------------------- */
.hero {
  padding-block: clamp(3rem, 2rem + 5vw, 6rem);
  overflow: hidden;
}

.hero__grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}

.hero__title { max-width: 18ch; }

.hero__text {
  font-size: var(--fs-lg);
  color: var(--color-muted);
}

.hero__art {
  justify-self: center;
  width: min(100%, 30rem);
}

.hero__art img,
.hero__art svg { width: 100%; height: auto; }

@media (min-width: 900px) {
  .hero__grid { grid-template-columns: 1.1fr 0.9fr; }
}

/* 9. Grid e cards --------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.card > * { margin: 0; }
.card p { color: var(--color-muted); }

.card--link:hover,
.card--link:focus-within {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card__icon {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-sm);
  background: var(--color-secondary-50);
  color: var(--color-secondary);
}

.card__icon svg { width: 1.75rem; height: 1.75rem; }

.card__footer { margin-top: auto; padding-top: var(--space-2); }

/* 10. Prosa e avisos ------------------------------------------------------ */
.prose { max-width: var(--measure); }
.prose h2 { margin-top: var(--space-7); }
.prose h3 { margin-top: var(--space-6); }
.prose ul,
.prose ol { padding-left: 1.25rem; }
.prose li + li { margin-top: var(--space-2); }

.notice {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-accent);
  border-left-width: 6px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-50);
  color: var(--color-text);
  max-width: var(--measure);
}

.notice p { margin: 0; }

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

.check-list li {
  position: relative;
  padding-left: 1.75rem;
}

.check-list li + li { margin-top: var(--space-2); }

.check-list li::before {
  content: "";
  position: absolute;
  left: 0.15rem;
  top: 0.55em;
  width: 0.7rem;
  height: 0.4rem;
  border-left: 2px solid var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
  transform: rotate(-45deg);
}

/* 11. Etapas e diferenciais ----------------------------------------------- */
.steps {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step {
  position: relative;
  padding: var(--space-6);
  padding-top: calc(var(--space-6) + 2.5rem);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: var(--space-5);
  left: var(--space-6);
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-accent);
  font-weight: 700;
}

.step > :last-child { margin-bottom: 0; }
.step p { color: var(--color-muted); }

.features {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature {
  padding-top: var(--space-4);
  border-top: 3px solid var(--color-accent);
}

.feature p { color: var(--color-muted); margin: 0; }

/* 12. Serviço detalhado e FAQ --------------------------------------------- */
.toc {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-5) 0 0;
  padding: 0;
  list-style: none;
}

.toc a {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  font-weight: 600;
  text-decoration: none;
}

.toc a:hover { border-color: var(--color-secondary); }

.service-detail {
  display: grid;
  gap: var(--space-6);
  padding-block: var(--space-7);
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-of-type { border-bottom: 0; }

.service-detail__aside {
  padding: var(--space-5);
  border-radius: var(--radius);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.service-detail__aside > :last-child { margin-bottom: 0; }

@media (min-width: 900px) {
  .service-detail { grid-template-columns: 1.5fr 1fr; align-items: start; }
}

.faq { max-width: 52rem; }

.faq details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.faq details + details { margin-top: var(--space-3); }

.faq summary {
  position: relative;
  padding: var(--space-4) var(--space-7) var(--space-4) var(--space-5);
  color: var(--color-primary);
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  right: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-secondary);
  font-size: 1.5rem;
  line-height: 1;
}

.faq details[open] summary::after { content: "−"; }

.faq details > :not(summary) {
  margin: 0;
  padding: 0 var(--space-5) var(--space-5);
  color: var(--color-muted);
}

/* 13. Faixa de CTA -------------------------------------------------------- */
.cta-band {
  position: relative;
  overflow: hidden;
  padding-block: var(--section-space);
  background: var(--color-primary);
  color: var(--color-footer-text);
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../img/pattern-geo.svg") repeat;
  background-size: 120px 120px;
  opacity: 0.6;
  pointer-events: none;
}

.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { color: #FFFFFF; }
.cta-band p { color: var(--color-footer-text); font-size: var(--fs-lg); }
.cta-band a:not(.btn) { color: var(--color-accent); }

.cta-band__inner {
  max-width: 46rem;
  margin-inline: auto;
  text-align: center;
}

.cta-band__inner p { margin-inline: auto; }
.cta-band .btn-group { justify-content: center; }

/* 14. Formulário e dados de contato --------------------------------------- */
.contact-layout {
  display: grid;
  gap: var(--space-7);
}

@media (min-width: 960px) {
  .contact-layout { grid-template-columns: 1.6fr 1fr; align-items: start; }
}

.form {
  display: grid;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .form-row { grid-template-columns: 1fr 1fr; }
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-field label,
.form-label {
  color: var(--color-primary);
  font-weight: 600;
}

.form-required {
  color: var(--color-error);
  font-weight: 700;
}

.form-optional {
  color: var(--color-muted);
  font-weight: 400;
  font-size: var(--fs-sm);
}

.form-input {
  width: 100%;
  min-height: 2.875rem;
  padding: var(--space-3) var(--space-4);
  border: 1px solid #6B7A8C; /* ≥ 3:1 sobre branco (contraste de componente) */
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}

textarea.form-input {
  min-height: 9rem;
  resize: vertical;
}

select.form-input { cursor: pointer; }

.form-input:hover { border-color: var(--color-secondary); }

.form-input:focus-visible {
  border-color: var(--color-primary);
  border-radius: var(--radius-sm);
}

.form-input[aria-invalid="true"] {
  border-color: var(--color-error);
  border-width: 2px;
  background: var(--color-error-50);
}

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

.form-error {
  margin: 0;
  color: var(--color-error);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.form-error:empty { display: none; }

.form-check {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.form-check input {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  accent-color: var(--color-secondary);
}

.form-check label { font-weight: 400; color: var(--color-text); }

.form-check input[aria-invalid="true"] {
  outline: 2px solid var(--color-error);
  outline-offset: 2px;
}

.form-status {
  padding: 0;
  border-radius: var(--radius-sm);
}

.form-status:not(:empty) {
  padding: var(--space-4) var(--space-5);
  border: 1px solid currentColor;
  border-left-width: 6px;
}

.form-status--success { color: var(--color-success); background: var(--color-success-50); }
.form-status--error { color: var(--color-error); background: var(--color-error-50); }

.contact-info {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-style: normal;
}

.contact-info dl { margin: 0; }
.contact-info dt { color: var(--color-primary); font-weight: 700; }
.contact-info dd { margin: 0 0 var(--space-4); color: var(--color-text); }

/* Página 404 */
.error-page {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding-block: var(--section-space);
}

.error-page__code {
  margin: 0 0 var(--space-2);
  color: var(--color-secondary);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.error-page__art { width: min(100%, 22rem); justify-self: center; }

@media (min-width: 900px) {
  .error-page { grid-template-columns: 1.3fr 1fr; }
}

/* 15. Utilitários --------------------------------------------------------- */
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-6 { margin-top: var(--space-6); }
.mt-7 { margin-top: var(--space-7); }

.stack > * + * { margin-top: var(--space-4); }

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

/* 16. Movimento ----------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .btn:hover,
  .card--link:hover,
  .card--link:focus-within { transform: none; }
}

/* Impressão */
@media print {
  .site-header,
  .nav-toggle,
  .skip-link,
  .cta-band { display: none; }

  .site-footer { background: none; color: #000; }
}