/* Central de Ajuda — CIApp
   Tema escuro premium (Apple / Stripe / Supabase / Linear).
   Paleta neutra (preto/branco/cinza) para permanecer fiel à identidade
   black & white do CIApp (ver lib/theme.dart). */

:root {
  --bg: #0a0a0b;
  --bg-elevated: #131315;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: rgba(255, 255, 255, 0.92);
  --text-muted: rgba(255, 255, 255, 0.6);
  --text-faint: rgba(255, 255, 255, 0.38);
  --accent: #ffffff;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --content-max: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

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

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

/* ---------- Transição suave entre páginas ---------- */

html.ajuda-js body {
  opacity: 0;
  transition: opacity 0.28s ease;
}

html.ajuda-js body.is-loaded {
  opacity: 1;
}

html.ajuda-js body.is-leaving {
  opacity: 0;
}

/* ---------- Barra de progresso de leitura ---------- */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 200;
  pointer-events: none;
}

/* ---------- Cabeçalho / navegação superior ---------- */

.ajuda-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 11, 0.72);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--border);
}

.ajuda-header__top {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 18px 24px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.ajuda-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

.ajuda-header__brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  overflow: hidden;
}

.ajuda-header__brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.16);
}

.ajuda-header__brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.ajuda-header__brand-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.ajuda-header__brand-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.ajuda-header__tabs {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px 16px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 6px;
}

.ajuda-nav__link {
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.ajuda-nav__link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.ajuda-nav__link.is-active {
  color: #000;
  background: var(--accent);
}

/* ---------- Navegação de portal (unificada entre Ajuda/Financeira/Jurídica) ---------- */
.ajuda-portal { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.ajuda-portal a {
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  padding: 7px 11px; border-radius: 999px; white-space: nowrap;
  transition: color .15s, background .15s;
}
.ajuda-portal a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.ajuda-portal a[aria-current="page"] { color: var(--text); background: rgba(255, 255, 255, 0.08); }
@media (max-width: 720px) {
  .ajuda-header__top { flex-wrap: wrap; row-gap: 8px; }
  .ajuda-portal { order: 3; width: 100%; justify-content: center; }
}

.ajuda-nav__toggle {
  display: none;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  flex-shrink: 0;
}

.ajuda-nav__mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  padding: 8px;
  flex-direction: column;
  gap: 2px;
}

.ajuda-nav__mobile-menu.is-open {
  display: flex;
}

.ajuda-nav__mobile-menu .ajuda-nav__link {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  width: 100%;
}

@media (max-width: 780px) {
  .ajuda-header__tabs {
    display: none;
  }
  .ajuda-nav__toggle {
    display: inline-flex;
  }
}

/* ---------- Layout genérico ---------- */

.ajuda-page {
  min-height: 100vh;
}

.ajuda-container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Home (Central de Ajuda) ---------- */

.ajuda-hero {
  position: relative;
  padding: 112px 24px 72px;
  text-align: center;
  overflow: hidden;
}

/* Brilho monocromático suave atrás do título (fiel à identidade P&B) */
.ajuda-hero__glow {
  position: absolute;
  top: -180px;
  left: 50%;
  transform: translateX(-50%);
  width: min(760px, 92vw);
  height: 520px;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 255, 255, 0.10) 0%,
    rgba(255, 255, 255, 0.04) 38%,
    transparent 70%
  );
  filter: blur(10px);
  pointer-events: none;
  z-index: 0;
}

.ajuda-hero > *:not(.ajuda-hero__glow) {
  position: relative;
  z-index: 1;
}

.ajuda-hero__eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.ajuda-hero__title {
  font-size: clamp(34px, 5.4vw, 58px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.06;
  margin: 0 auto 20px;
  max-width: 760px;
}

.ajuda-hero__subtitle {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.65;
}

.ajuda-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 34px;
}

.ajuda-hero__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.ajuda-hero__btn--primary {
  background: var(--accent);
  color: #000;
}

.ajuda-hero__btn--primary:hover {
  transform: translateY(-2px);
  opacity: 0.92;
}

.ajuda-hero__btn--ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text);
}

.ajuda-hero__btn--ghost:hover {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.08);
}

/* ---------- Seções agrupadas ---------- */

.ajuda-section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 40px 24px 24px;
}

.ajuda-section:last-of-type {
  padding-bottom: 120px;
}

.ajuda-section__head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 44px;
}

.ajuda-section__kicker {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 12px;
}

.ajuda-section__title {
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}

.ajuda-section__desc {
  font-size: 16px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.6;
}

.ajuda-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--content-max);
  margin: 0 auto;
}

@media (max-width: 900px) {
  .ajuda-cards {
    grid-template-columns: 1fr;
  }
}

/* Entrada suave e escalonada dos cards */
@keyframes ajuda-card-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.ajuda-card {
  animation: ajuda-card-in 0.5s ease backwards;
}

.ajuda-cards .ajuda-card:nth-child(2) {
  animation-delay: 0.08s;
}

.ajuda-cards .ajuda-card:nth-child(3) {
  animation-delay: 0.16s;
}

@media (prefers-reduced-motion: reduce) {
  .ajuda-card {
    animation: none;
  }
}

.ajuda-card {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 48px 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 340px;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.ajuda-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--border-strong);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.ajuda-card__icon-badge {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  transition: transform 0.3s ease, background 0.3s ease;
}

.ajuda-card:hover .ajuda-card__icon-badge {
  transform: scale(1.05);
  background: rgba(255, 255, 255, 0.1);
}

.ajuda-card__title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.ajuda-card__desc {
  color: var(--text-muted);
  font-size: 15.5px;
  line-height: 1.6;
  flex: 1;
}

.ajuda-card__btn {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  background: var(--accent);
  color: #000;
  font-weight: 600;
  font-size: 14px;
  padding: 13px 22px;
  border-radius: 999px;
  transition: opacity 0.2s ease;
}

.ajuda-card:hover .ajuda-card__btn {
  opacity: 0.9;
}

.ajuda-card__btn-arrow {
  transition: transform 0.25s ease;
}

.ajuda-card:hover .ajuda-card__btn-arrow {
  transform: translateX(4px);
}

/* ---------- Página de tutorial ---------- */

.tutorial-header {
  padding: 72px 24px 48px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.tutorial-header__title {
  font-size: clamp(28px, 4.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.tutorial-header__desc {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto 20px;
}

.tutorial-header__steps {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-faint);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
}

.tutorial-viewer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 96px;
  padding: 64px 24px 112px;
}

.tutorial-viewer__slide {
  width: 100%;
  max-width: 1200px;
  margin: 0;
}

.tutorial-viewer__slide img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.tutorial-viewer__slide img.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 780px) {
  .tutorial-viewer__slide {
    max-width: 95%;
  }
}

.tutorial-viewer__empty {
  color: var(--text-muted);
  text-align: center;
  padding: 48px 24px;
  font-size: 15px;
}

.tutorial-viewer__loading {
  color: var(--text-faint);
  font-size: 14px;
  padding: 24px;
}

.tutorial-progress {
  position: fixed;
  left: 24px;
  bottom: 24px;
  background: rgba(19, 19, 21, 0.9);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 90;
}

.tutorial-progress.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 780px) {
  .tutorial-progress {
    left: 16px;
    bottom: 16px;
    font-size: 12px;
  }
}

.tutorial-complete {
  width: 100%;
  max-width: 640px;
  padding: 48px 40px;
  text-align: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.tutorial-complete__icon {
  font-size: 40px;
  line-height: 1;
}

.tutorial-complete__title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.tutorial-complete__desc {
  color: var(--text-muted);
  font-size: 15px;
  margin: 0;
}

.tutorial-complete__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
}

.tutorial-complete__actions .ajuda-nav__link {
  border: 1px solid var(--border);
}

.tutorial-footer {
  border-top: 1px solid var(--border);
  padding: 56px 24px 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.tutorial-footer__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.tutorial-footer__link:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

/* ---------- Botão flutuante Voltar ao topo ---------- */

.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 90;
}

.back-to-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

/* ---------- Rodapé do site ---------- */

.ajuda-sitefooter {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.ajuda-sitefooter__brand {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.ajuda-sitefooter__note {
  font-size: 13px;
  color: var(--text-faint);
}