* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  --bg: var(--brand-sand-50);
  --bg-accent: transparent;
  --grid-line: rgba(15, 28, 47, 0.06);
  --text: var(--brand-ink-950);
  --muted: var(--brand-ink-500);
  --muted-strong: var(--brand-ink-700);
  --line: rgba(15, 28, 47, 0.12);
  --line-strong: rgba(15, 28, 47, 0.2);
  --surface: rgba(255, 255, 255, 0.9);
  --surface-soft: rgba(255, 255, 255, 0.62);
  --surface-strong: #fffaf2;
  --shadow-page: var(--shadow-soft);
  --shadow-panel: var(--shadow-card);
  margin: 0;
  /* FIX (detalhe): 100dvh em vez de 100vh evita o "salto" da barra de
     endereço no mobile (dynamic viewport height). */
  min-height: 100dvh;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

body::after {
  z-index: -1;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  -webkit-appearance: none; /* FIX (detalhe): prefixo p/ Safari antigo */
  appearance: none;
}

img {
  display: block;
  max-width: 100%;
}

ul[role="list"] {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  background: rgba(15, 118, 110, 0.18);
  color: var(--text);
}

/* =============================================================================
   FIX 1 (CSS, gravidade ALTA): anel de foco GLOBAL.
   Antes: uma allowlist manual de seletores com outline:none + box-shadow.
   Problema: qualquer elemento focável novo era esquecido na lista.
   Agora: :where() aplica o anel a QUALQUER focável com especificidade ZERO,
   então é trivial de sobrescrever em casos especiais.
   O `outline: 2px solid transparent` é o fallback para o modo de alto contraste
   forçado (forced-colors), onde box-shadow é descartado pelo SO.
   ============================================================================= */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

@media (forced-colors: active) {
  /* No alto contraste, deixa o SO desenhar o foco com a cor do sistema. */
  :where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline-color: Highlight;
  }
}

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

.skip-link {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 120;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  background: var(--surface-strong);
  color: var(--text);
  transform: translateY(-150%);
  transition: transform var(--transition-fast);
}

.skip-link:focus-visible {
  transform: translateY(0);
  /* herda o anel global do FIX 1 */
}

/* FIX (detalhe): .sr-only modernizada (clip legado + clip-path + nowrap). */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.surface-card,
.surface-subtle {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: var(--shadow-panel);
}

.surface-card {
  border-radius: var(--radius-lg);
}

.surface-subtle {
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.brand,
h1,
h2,
h3 {
  font-family: var(--font-display);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.spark {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--brand-clay), var(--brand-teal));
  color: #fff7f1;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: block;
  flex: 0 0 auto;
}

.eyebrow,
.module-kicker,
.workspace-label,
.section-chip,
.status-pill,
.subject-tag,
.module-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* eyebrow não é mais pílula: vira rótulo editorial com um tracinho à esquerda */
.eyebrow {
  min-height: 0;
  padding: 0;
  gap: 9px;
  border: 0;
  border-radius: 0;
  background: none;
  letter-spacing: 0.16em;
  font-size: 12px;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 2px;
  background: currentColor;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 30px;
}

.section-heading h2,
.dashboard-heading h2 {
  margin: 14px 0 12px;
  font-size: clamp(34px, 4.5vw, 58px);
  line-height: 0.95;
  letter-spacing: -0.075em;
  text-wrap: balance;
}

.section-heading p,
.dashboard-heading p,
.topbar-copy {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: var(--leading-body);
  text-wrap: pretty;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-strong);
  background: var(--surface-strong);
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn:hover {
  box-shadow: 0 2px 6px rgba(20, 26, 36, 0.12);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled,
.mock-option:disabled,
.icon-button:disabled {
  opacity: 0.56;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-primary {
  border-color: rgba(15, 28, 47, 0.12);
  background: var(--brand-ink-950);
  color: #fffaf2;
}

.btn-primary:hover {
  background: var(--brand-ink-900);
  border-color: rgba(15, 28, 47, 0.18);
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.96);
}

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--muted-strong);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
}

.btn-block {
  width: 100%;
}

/* FIX 1 (CSS): a antiga allowlist de :focus-visible foi REMOVIDA daqui.
   O anel agora é global (ver topo do arquivo). */

/* FIX 4 (JS/HTML): o delay do reveal vem de uma custom property fornecida pelo JS,
   em vez de style inline. Default 0ms se o JS não setar. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition-property: opacity, transform;
  transition-duration: 480ms, 520ms;
  transition-timing-function: ease, cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding-top: 18px;
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
  padding: 0 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav a {
  font-size: 14px;
  font-weight: 600;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}

.site-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.56);
  color: var(--text);
  transition:
    border-color var(--transition-fast),
    background var(--transition-fast),
    color var(--transition-fast);
}

.site-nav .nav-cta:hover {
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--line-strong);
}

.menu-toggle {
  display: none;
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}

.landing-page.menu-open {
  overflow: hidden;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: flex-end;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 960px) {
  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    padding: 18px;
    border-radius: var(--radius-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity var(--transition-fast),
      transform var(--transition-fast),
      visibility var(--transition-fast);
  }

  .site-nav ul {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav a {
    display: flex;
    align-items: center;
    min-height: 48px;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .menu-open .site-nav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 24px, 100%);
  }

  .header-inner {
    min-height: 68px;
    padding: 0 16px;
  }

  .section-heading h2,
  .dashboard-heading h2 {
    font-size: clamp(32px, 10vw, 46px);
  }
}

/* =============================================================================
   FIX 2 (CSS): reduced-motion CIRÚRGICO.
   Antes: transition:none !important em tudo (marreta — mata até feedbacks úteis
   e pode travar callbacks de transitionend no JS).
   Agora: encurta a duração para ~instantâneo (0.01ms) em vez de remover, e
   neutraliza só o MOVIMENTO (translate) do reveal, que é o gatilho vestibular real.
   ============================================================================= */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}