/* =========================================================
   Planilha Fácil — design base (Fase 1)
   Sem dependências externas. Tema claro e responsivo.
   ========================================================= */

:root {
  color-scheme: light;

  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-soft: #f1f5f9;
  --color-ink: #0f172a;
  --color-ink-soft: #334155;
  --color-muted: #475569;
  --color-subtle: #64748b;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;

  --color-primary: #0f766e;
  --color-primary-dark: #115e59;
  --color-primary-deep: #134e4a;
  --color-primary-soft: #ccfbf1;
  --color-primary-wash: #f0fdfa;

  --color-accent: #f59e0b;
  --color-accent-dark: #b45309;
  --color-accent-soft: #fef3c7;

  --color-success: #15803d;
  --color-success-soft: #dcfce7;

  --font-sans: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  --container: 1120px;
  --header-height: 72px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 999px;

  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);

  --focus-ring: #0f172a;
}

/* ---------------------------------------------------------
   Base
   --------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  flex: 1;
}

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

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

button,
summary {
  cursor: pointer;
}

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

p,
h1,
h2,
h3,
h4,
ul,
ol,
figure,
blockquote {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

h1,
h2,
h3 {
  text-wrap: balance;
}

::selection {
  background: var(--color-primary-soft);
  color: var(--color-primary-deep);
}

:where(a, button, summary, input, select, textarea):focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
}

.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;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--color-ink);
  color: #ffffff;
  font-size: 0.9rem;
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

/* ---------------------------------------------------------
   Cabeçalho e navegação
   --------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--color-ink);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  flex: none;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 6px 14px rgba(15, 118, 110, 0.22);
}

.brand-mark .icon {
  width: 22px;
  height: 22px;
}

.brand-name strong {
  color: var(--color-primary);
  font-weight: 800;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-pill);
  color: var(--color-ink-soft);
  font-size: 0.925rem;
  font-weight: 650;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.nav-link:hover {
  background: var(--color-surface-soft);
  color: var(--color-ink);
}

.nav-link[aria-current="page"] {
  background: var(--color-primary-soft);
  color: var(--color-primary-deep);
}

.header-cta {
  margin-left: 0.35rem;
}

.nav-mobile {
  position: relative;
}

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 700;
  list-style: none;
}

.menu-toggle::-webkit-details-marker {
  display: none;
}

.menu-toggle::marker {
  content: "";
}

.menu-toggle .chevron {
  width: 1rem;
  height: 1rem;
  transition: transform 0.18s ease;
}

.nav-mobile[open] .menu-toggle .chevron {
  transform: rotate(180deg);
}

.mobile-panel {
  position: absolute;
  top: calc(100% + 0.6rem);
  right: 0;
  display: grid;
  gap: 0.25rem;
  width: min(280px, calc(100vw - 2rem));
  padding: 0.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.mobile-link {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--color-ink-soft);
  font-size: 0.925rem;
  font-weight: 650;
}

.mobile-link:hover {
  background: var(--color-surface-soft);
}

.mobile-link[aria-current="page"] {
  background: var(--color-primary-soft);
  color: var(--color-primary-deep);
}

.mobile-panel .btn {
  width: 100%;
  margin-top: 0.35rem;
}

/* ---------------------------------------------------------
   Botões
   --------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.15rem;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 750;
  line-height: 1.1;
  text-align: center;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 8px 20px rgba(15, 118, 110, 0.22);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.28);
}

.btn-secondary {
  border-color: var(--color-border-strong);
  background: var(--color-surface);
  color: var(--color-ink);
}

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

.btn-ghost-light {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.2);
}

.btn-sm {
  min-height: 40px;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  font-size: 0.875rem;
}

/* ---------------------------------------------------------
   Hero
   --------------------------------------------------------- */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.75rem, 5vw, 4rem);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 12% 8%, rgba(15, 118, 110, 0.14), transparent 42%),
    radial-gradient(circle at 88% 18%, rgba(245, 158, 11, 0.16), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, var(--color-bg) 100%);
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 75%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 75%);
  opacity: 0.55;
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: 2.75rem;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.72rem;
  border: 1px solid rgba(245, 158, 11, 0.28);
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 14ch;
  margin-top: 1rem;
  color: var(--color-ink);
  font-size: clamp(2.35rem, 6.4vw, 4.4rem);
  font-weight: 850;
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.marker {
  color: var(--color-primary);
  background: linear-gradient(transparent 68%, rgba(245, 158, 11, 0.45) 68%);
  border-radius: 2px;
}

.hero-lead {
  max-width: 58ch;
  margin-top: 1.35rem;
  color: var(--color-muted);
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  color: var(--color-subtle);
  font-size: 0.85rem;
}

.hero-note .icon {
  width: 1rem;
  height: 1rem;
  color: var(--color-success);
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 520px;
  margin-inline: auto;
}

.spreadsheet-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 22px;
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.spreadsheet-top {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: #f8fafc;
}

.window-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-border-strong);
}

.window-dot-red {
  background: #fca5a5;
}

.window-dot-amber {
  background: #fcd34d;
}

.window-dot-green {
  background: #86efac;
}

.spreadsheet-title {
  margin-left: auto;
  color: var(--color-subtle);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spreadsheet-body {
  padding: 1rem;
}

.spreadsheet-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.spreadsheet-table thead th {
  padding: 0.45rem 0.35rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-subtle);
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-align: left;
  text-transform: uppercase;
}

.spreadsheet-table tbody th,
.spreadsheet-table tfoot th {
  padding: 0.55rem 0.35rem;
  border-bottom: 1px solid #f1f5f9;
  color: var(--color-ink-soft);
  font-size: 0.75rem;
  font-weight: 650;
  text-align: left;
  white-space: nowrap;
}

.spreadsheet-table td {
  padding: 0.55rem 0.35rem;
  border-bottom: 1px solid #f1f5f9;
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.spreadsheet-table th:not(:first-child),
.spreadsheet-table td:not(:first-child) {
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.spreadsheet-table tbody tr:last-child th,
.spreadsheet-table tbody tr:last-child td {
  border-bottom: 0;
}

.spreadsheet-table .total-row th,
.spreadsheet-table .total-row td {
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
  border-bottom: 0;
  background: var(--color-primary-wash);
  color: var(--color-primary-deep);
  font-weight: 800;
}

.spreadsheet-table .total-row th {
  border-radius: 8px 0 0 8px;
}

.spreadsheet-table .total-row td:last-child {
  border-radius: 0 8px 8px 0;
}

.example-note {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.85rem;
  color: var(--color-subtle);
  font-size: 0.7rem;
}

.example-note::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.visual-badge {
  position: absolute;
  right: -0.5rem;
  bottom: -1.1rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.visual-badge-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.visual-badge-icon .icon {
  width: 1rem;
  height: 1rem;
}

.visual-badge strong {
  display: block;
  font-size: 0.78rem;
  line-height: 1.2;
}

.visual-badge span span {
  display: block;
  color: var(--color-subtle);
  font-size: 0.68rem;
}

/* ---------------------------------------------------------
   Faixa de confiança
   --------------------------------------------------------- */

.trust-strip {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.72);
}

.trust-list {
  display: grid;
  gap: 1rem;
  padding: 1.2rem 0;
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  color: var(--color-ink-soft);
  font-size: 0.88rem;
}

.trust-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.trust-icon .icon {
  width: 1rem;
  height: 1rem;
}

.trust-item > span:last-child {
  display: block;
}

.trust-item strong {
  display: block;
  color: var(--color-ink);
  font-size: 0.9rem;
  line-height: 1.35;
}

.trust-item > span:last-child > span {
  display: block;
  color: var(--color-subtle);
  font-size: 0.8rem;
  line-height: 1.45;
}

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

.section {
  padding: clamp(3.5rem, 7vw, 6rem) 0;
}

.section-header {
  max-width: 680px;
  margin-bottom: 2.25rem;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-primary-dark);
  font-size: 0.73rem;
  font-weight: 850;
  letter-spacing: 0.12em;
  line-height: 1.2;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-accent);
}

.section-title {
  margin-top: 0.65rem;
  color: var(--color-ink);
  font-size: clamp(1.8rem, 4vw, 2.75rem);
  font-weight: 840;
  letter-spacing: -0.04em;
  line-height: 1.12;
}

.section-lead {
  margin-top: 0.85rem;
  color: var(--color-muted);
  font-size: 1rem;
  line-height: 1.7;
}

/* ---------------------------------------------------------
   Cards de conteúdo e ferramentas
   --------------------------------------------------------- */

.cards-grid {
  display: grid;
  gap: 1.1rem;
}

.feature-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
  color: var(--color-ink);
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

.feature-card.is-link {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card.is-link:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.feature-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.card-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.card-icon.accent {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.card-icon .icon {
  width: 1.35rem;
  height: 1.35rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.3rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-transform: uppercase;
  white-space: nowrap;
}

.badge-next {
  background: var(--color-primary-soft);
  color: var(--color-primary-deep);
}

.badge-soon {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.card-title {
  display: block;
  color: var(--color-ink);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.card-text {
  display: block;
  flex: 1;
  color: var(--color-muted);
  font-size: 0.93rem;
  line-height: 1.65;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--color-primary-dark);
  font-size: 0.9rem;
  font-weight: 800;
}

.card-link .icon {
  width: 1rem;
  height: 1rem;
  transition: transform 0.18s ease;
}

.feature-card.is-link:hover .card-link .icon {
  transform: translateX(3px);
}

.card-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-subtle);
  font-size: 0.82rem;
  font-weight: 650;
}

.card-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
}

.card-status.is-ready::before {
  background: var(--color-success);
}

/* ---------------------------------------------------------
   Calculadora de orçamento
   --------------------------------------------------------- */

.section-calculator {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 8% 10%, rgba(15, 118, 110, 0.09), transparent 38%),
    radial-gradient(circle at 92% 18%, rgba(245, 158, 11, 0.1), transparent 34%),
    linear-gradient(180deg, #f8fafc 0%, #eefaf7 58%, #f8fafc 100%);
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.calculator-header {
  max-width: 720px;
}

.calculator-shell {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

.calculator-form-panel,
.calculator-results-panel {
  min-width: 0;
  border-radius: var(--radius-xl);
}

.calculator-form-panel {
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.calculator-form-head h3,
.budget-results-head h3 {
  color: var(--color-ink);
  font-size: clamp(1.35rem, 3.2vw, 1.7rem);
  font-weight: 840;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.calculator-form-head p {
  margin-top: 0.35rem;
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

.budget-form {
  margin-top: 1.35rem;
}

.budget-fieldset,
.ledger-form-fields {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.budget-field + .budget-field {
  margin-top: 1.05rem;
}

.budget-field label {
  display: block;
  color: var(--color-ink);
  font-size: 0.9rem;
  font-weight: 750;
  line-height: 1.35;
}

.money-input {
  display: flex;
  align-items: center;
  margin-top: 0.4rem;
  overflow: hidden;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.money-input:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.14);
}

.money-input.is-invalid {
  border-color: #dc2626;
  background: #fff7f7;
}

.money-prefix {
  flex: none;
  padding-left: 0.9rem;
  color: var(--color-subtle);
  font-size: 0.88rem;
  font-weight: 750;
}

.money-input input {
  width: 100%;
  min-width: 0;
  padding: 0.8rem 0.9rem 0.8rem 0.35rem;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.money-input input::placeholder {
  color: #94a3b8;
  font-weight: 500;
}

.money-input input:focus-visible {
  outline: 0;
}

.field-help {
  margin-top: 0.35rem;
  color: var(--color-subtle);
  font-size: 0.78rem;
  line-height: 1.5;
}

.field-error {
  margin-top: 0.35rem;
  color: #b91c1c;
  font-size: 0.8rem;
  font-weight: 650;
  line-height: 1.5;
}

.field-error[hidden],
.storage-warning[hidden],
.clear-confirmation[hidden] {
  display: none;
}

.calculator-actions {
  margin-top: 1.35rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--color-border);
}

.calculator-actions .btn {
  width: 100%;
}

.clear-confirmation {
  margin-top: 1rem;
  padding: 1rem;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  background: #fffbeb;
}

.clear-confirmation p {
  color: #78350f;
  font-size: 0.86rem;
  line-height: 1.6;
}

.clear-confirmation strong {
  font-weight: 800;
}

.clear-confirmation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.btn-danger {
  background: #b91c1c;
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(185, 28, 28, 0.18);
}

.btn-danger:hover {
  background: #991b1b;
  box-shadow: 0 10px 22px rgba(185, 28, 28, 0.24);
}

.storage-warning {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
  color: #78350f;
  font-size: 0.82rem;
  line-height: 1.55;
}

.storage-warning-icon {
  flex: none;
  margin-top: 0.08rem;
  color: var(--color-accent-dark);
}

.storage-warning-icon .icon {
  width: 1.05rem;
  height: 1.05rem;
}

.calculator-storage-note {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 1.15rem;
  color: var(--color-subtle);
  font-size: 0.78rem;
  line-height: 1.55;
}

.calculator-storage-note .icon {
  width: 1rem;
  height: 1rem;
  margin-top: 0.12rem;
  color: var(--color-primary);
}

.calculator-results-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(1.35rem, 4vw, 2.2rem);
  background: linear-gradient(150deg, #134e4a 0%, #0f766e 65%, #0d9488 100%);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.calculator-results-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 88% 6%, rgba(245, 158, 11, 0.28), transparent 30%);
  pointer-events: none;
}

.budget-results {
  position: relative;
  z-index: 1;
}

.results-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #a7f3d0;
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
}

.results-kicker::before {
  content: "";
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: #fbbf24;
}

.budget-results-head h3 {
  margin-top: 0.45rem;
  color: #ffffff;
}

.budget-results-head p {
  margin-top: 0.5rem;
  color: #ccfbf1;
  font-size: 0.86rem;
  line-height: 1.6;
}

.budget-status {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-top: 1.25rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.09);
}

.budget-status[data-tone="attention"] {
  border-color: rgba(251, 191, 36, 0.55);
  background: rgba(245, 158, 11, 0.15);
}

.budget-status-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.12);
  color: #fbbf24;
}

.budget-status-icon .icon {
  width: 1rem;
  height: 1rem;
}

.budget-status-label {
  display: block;
  color: #a7f3d0;
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.budget-status-text {
  margin-top: 0.25rem;
  color: #f0fdfa;
  font-size: 0.86rem;
  line-height: 1.6;
}

.budget-metrics {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 0;
}

.budget-metric {
  min-width: 0;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
}

.budget-metric--highlight {
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(255, 255, 255, 0.13);
}

.budget-metric dt {
  color: #a7f3d0;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-transform: uppercase;
}

.budget-metric dd {
  margin: 0.2rem 0 0;
  color: #ffffff;
  font-size: clamp(1.2rem, 3.6vw, 1.55rem);
  font-weight: 820;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.budget-metric dd output {
  font: inherit;
}

.budget-metric output[data-negative="true"] {
  color: #fecaca;
}

.budget-method {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: #ccfbf1;
  font-size: 0.78rem;
  line-height: 1.6;
}

.budget-method strong {
  color: #ffffff;
}

.budget-disclaimer {
  margin-top: 0.8rem;
  color: #99f6e4;
  font-size: 0.73rem;
  line-height: 1.55;
}

.calculator-noscript {
  margin-top: 1.25rem;
}

/* ---------------------------------------------------------
   Tabela de receitas e despesas
   --------------------------------------------------------- */

.section-ledger {
  position: relative;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 92% 8%, rgba(245, 158, 11, 0.08), transparent 30%),
    linear-gradient(180deg, #f8fafc 0%, #f4fbf9 45%, #f8fafc 100%);
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.ledger-header {
  max-width: 760px;
}

.ledger-app {
  display: grid;
  gap: 1.25rem;
}

.ledger-form-panel,
.ledger-board {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.ledger-form-panel {
  padding: clamp(1.25rem, 4vw, 2rem);
}

.ledger-board {
  padding: clamp(1.1rem, 3vw, 1.8rem);
}

.ledger-panel-heading h3,
.ledger-toolbar-copy h3,
.ledger-export-panel h3 {
  color: var(--color-ink);
  font-size: clamp(1.2rem, 3vw, 1.45rem);
  font-weight: 840;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.ledger-panel-heading p,
.ledger-export-panel p {
  margin-top: 0.35rem;
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.ledger-panel-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.4rem;
  color: var(--color-primary-dark);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  line-height: 1.2;
  text-transform: uppercase;
}

.ledger-panel-kicker::before {
  content: "";
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-accent);
}

.ledger-form {
  margin-top: 1.25rem;
}

.ledger-form-grid {
  display: grid;
  gap: 1rem;
}

.ledger-field {
  min-width: 0;
}

.ledger-field label,
.ledger-filter label {
  display: block;
  color: var(--color-ink);
  font-size: 0.86rem;
  font-weight: 750;
  line-height: 1.35;
}

.ledger-field label {
  margin-bottom: 0.4rem;
}

.ledger-control {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 0.95rem;
  line-height: 1.35;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease;
}

.ledger-control:hover {
  border-color: #94a3b8;
}

.ledger-control:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.14);
}

.ledger-field select.ledger-control {
  padding-right: 2.4rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='m6 9 6 6 6-6' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 1rem;
}

.ledger-field .money-input {
  min-height: 48px;
  margin-top: 0;
}

.ledger-field .money-input input {
  min-height: 46px;
}

.ledger-field.is-invalid .ledger-control,
.ledger-field.is-invalid .money-input {
  border-color: #dc2626;
  background-color: #fff7f7;
}

.ledger-field.is-invalid .ledger-control:focus,
.ledger-field.is-invalid .money-input:focus-within {
  box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.12);
}

.ledger-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--color-border);
}

.ledger-form-actions .btn[hidden] {
  display: none;
}

.ledger-status {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius-md);
  background: #f0fdf4;
  color: #166534;
  font-size: 0.84rem;
  line-height: 1.55;
}

.ledger-status[data-tone="warning"] {
  border-color: #fde68a;
  background: #fffbeb;
  color: #78350f;
}

.ledger-status[data-tone="error"] {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.ledger-status-dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: currentColor;
}

.ledger-status[hidden],
.ledger-empty[hidden],
.ledger-table-wrap[hidden],
.ledger-cards[hidden] {
  display: none !important;
}

.ledger-storage-note {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 1.15rem;
  color: var(--color-subtle);
  font-size: 0.78rem;
  line-height: 1.55;
}

.ledger-storage-note .icon {
  flex: none;
  width: 1rem;
  height: 1rem;
  margin-top: 0.12rem;
  color: var(--color-primary);
}

.ledger-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.ledger-toolbar-copy h3 {
  margin-top: 0.1rem;
}

.ledger-count {
  margin-top: 0.25rem;
  color: var(--color-subtle);
  font-size: 0.8rem;
  font-weight: 650;
}

.ledger-filters {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.ledger-filter {
  min-width: 0;
}

.ledger-filter label {
  margin-bottom: 0.35rem;
  color: var(--color-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ledger-filter:last-child {
  grid-column: 1 / -1;
}

.ledger-filters .ledger-control {
  min-height: 44px;
  padding: 0.6rem 0.75rem;
  font-size: 0.84rem;
}

.ledger-filters select.ledger-control {
  padding-right: 2.2rem;
  background-position: right 0.7rem center;
}

.ledger-summary {
  display: grid;
  gap: 0.65rem;
  margin: 1.2rem 0 0;
}

.ledger-summary-card {
  min-width: 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface-soft);
}

.ledger-summary-card dt {
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  line-height: 1.3;
  text-transform: uppercase;
}

.ledger-summary-card dd {
  margin: 0.2rem 0 0;
  color: var(--color-ink);
  font-size: clamp(1.1rem, 0.65rem + 1.1vw, 1.55rem);
  font-weight: 820;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.ledger-summary-card dd output {
  font: inherit;
}

.ledger-summary-card--income {
  border-color: #bbf7d0;
  background: #f0fdf4;
}

.ledger-summary-card--income dd {
  color: #166534;
}

.ledger-summary-card--expense {
  border-color: #fecaca;
  background: #fef2f2;
}

.ledger-summary-card--expense dd {
  color: #991b1b;
}

.ledger-summary-card--balance {
  border-color: #99f6e4;
  background: var(--color-primary-wash);
}

.ledger-summary-card--balance dd {
  color: var(--color-primary-deep);
}

.ledger-summary-card--balance.is-negative {
  border-color: #fecaca;
  background: #fff1f2;
}

.ledger-summary-card--balance.is-negative dd {
  color: #b91c1c;
}

.ledger-list-panel {
  margin-top: 1rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.ledger-table-wrap {
  display: none;
}

.ledger-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.ledger-table th {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--color-border);
  background: #f8fafc;
  color: var(--color-subtle);
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  line-height: 1.35;
  text-align: left;
  text-transform: uppercase;
}

.ledger-table th:nth-child(1) {
  width: 88px;
}

.ledger-table th:nth-child(3) {
  width: 118px;
}

.ledger-table th:nth-child(4) {
  width: 88px;
}

.ledger-table th:nth-child(5) {
  width: 142px;
}

.ledger-table th:nth-child(6) {
  width: 104px;
}

.ledger-table td {
  padding: 0.8rem;
  border-bottom: 1px solid #f1f5f9;
  color: var(--color-ink-soft);
  font-size: 0.84rem;
  vertical-align: middle;
}

.ledger-table tbody tr:last-child td {
  border-bottom: 0;
}

.ledger-table tbody tr:hover {
  background: #f8fafc;
}

.ledger-table time,
.ledger-card time {
  color: var(--color-subtle);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ledger-description {
  display: block;
  color: var(--color-ink);
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.ledger-type-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.28rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
}

.ledger-type-pill.is-income {
  background: var(--color-success-soft);
  color: #166534;
}

.ledger-type-pill.is-expense {
  background: #fee2e2;
  color: #991b1b;
}

.ledger-value {
  font-weight: 820;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}

.ledger-value.is-income {
  color: var(--color-success);
}

.ledger-value.is-expense {
  color: #b91c1c;
}

.ledger-value-cell {
  text-align: right;
}

.ledger-actions-cell {
  text-align: right;
}

.ledger-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
}

.ledger-actions--compact {
  flex-wrap: nowrap;
}

.ledger-actions--compact .ledger-action {
  width: 38px;
  padding: 0;
}

.ledger-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  min-height: 38px;
  padding: 0.3rem 0.5rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink-soft);
  font-size: 0.74rem;
  font-weight: 750;
  line-height: 1.2;
  transition: background-color 0.16s ease, border-color 0.16s ease, color 0.16s ease;
}

.ledger-action .icon {
  width: 0.9rem;
  height: 0.9rem;
}

.ledger-action:hover {
  border-color: #99f6e4;
  background: var(--color-primary-wash);
  color: var(--color-primary-deep);
}

.ledger-action--delete {
  color: #b91c1c;
}

.ledger-action--delete:hover {
  border-color: #fecaca;
  background: #fef2f2;
  color: #991b1b;
}

.ledger-action:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.ledger-cards {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 1rem;
  list-style: none;
}

.ledger-card {
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.ledger-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.ledger-card-description {
  margin-top: 0.6rem;
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.ledger-card-category {
  margin-top: 0.2rem;
  color: var(--color-muted);
  font-size: 0.8rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.ledger-card-category span {
  color: var(--color-subtle);
  font-weight: 650;
}

.ledger-card-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid #f1f5f9;
}

.ledger-card-bottom .ledger-value {
  font-size: 1.05rem;
}

.ledger-card-bottom .ledger-action {
  min-height: 40px;
}

.ledger-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1.25rem;
  text-align: center;
}

.ledger-empty-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: var(--color-primary-wash);
  color: var(--color-primary);
}

.ledger-empty-icon .icon {
  width: 1.5rem;
  height: 1.5rem;
}

.ledger-empty h3 {
  margin-top: 0.9rem;
  color: var(--color-ink);
  font-size: 1.1rem;
  font-weight: 820;
  letter-spacing: -0.02em;
}

.ledger-empty p {
  max-width: 460px;
  margin-top: 0.35rem;
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.ledger-empty .btn {
  margin-top: 1rem;
}

.ledger-export-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
  padding: 1.1rem;
  border: 1px solid #fde68a;
  border-radius: 14px;
  background: #fffbeb;
}

.ledger-export-panel .ledger-panel-kicker {
  color: #92400e;
}

.ledger-export-panel h3 {
  font-size: 1.08rem;
}

.ledger-export-panel p {
  color: #78350f;
  font-size: 0.8rem;
}

.ledger-export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.ledger-export-actions .btn {
  flex: 1 1 190px;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  box-shadow: none;
  transform: none;
}

.btn:disabled:hover {
  transform: none;
}

.ledger-dialog {
  width: min(calc(100% - 2rem), 480px);
  max-width: 480px;
  max-height: calc(100dvh - 2rem);
  overflow-y: auto;
  padding: 0;
  border: 0;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  color: var(--color-ink);
  box-shadow: var(--shadow-lg);
}

.ledger-dialog::backdrop {
  background: rgba(15, 23, 42, 0.55);
}

.ledger-dialog-content {
  padding: clamp(1.35rem, 4vw, 1.8rem);
}

.ledger-dialog-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: #fef2f2;
  color: #b91c1c;
}

.ledger-dialog-icon .icon {
  width: 1.25rem;
  height: 1.25rem;
}

.ledger-dialog h3 {
  margin-top: 1rem;
  color: var(--color-ink);
  font-size: 1.25rem;
  font-weight: 840;
  letter-spacing: -0.02em;
}

.ledger-dialog p {
  margin-top: 0.5rem;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.ledger-dialog-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.ledger-dialog-actions .btn {
  flex: 1 1 150px;
}

.ledger-noscript {
  margin-top: 1.25rem;
}

/* ---------------------------------------------------------
   Guia de cursos e recomendação
   --------------------------------------------------------- */

.section-course {
  position: relative;
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at 10% 0%, rgba(15, 118, 110, 0.07), transparent 34%),
    radial-gradient(circle at 92% 18%, rgba(245, 158, 11, 0.07), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f7fcfb 50%, #ffffff 100%);
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.course-header {
  max-width: 760px;
}

.course-criteria {
  display: grid;
  gap: 0.9rem;
}

.course-criterion {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1.15rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.course-criterion-number {
  display: grid;
  flex: none;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-primary-soft);
  border-radius: 11px;
  background: var(--color-primary-wash);
  color: var(--color-primary-dark);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  line-height: 1;
}

.course-criterion h3 {
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.course-criterion p {
  margin-top: 0.35rem;
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.course-transparency {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin-top: 1.5rem;
  padding: 1.15rem 1.25rem;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  background: var(--color-primary-wash);
}

.course-transparency[hidden] {
  display: none;
}

.course-transparency-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.course-transparency-icon .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.course-transparency h3 {
  color: var(--color-ink);
  font-size: 0.98rem;
  font-weight: 800;
  line-height: 1.35;
}

.course-transparency p {
  margin-top: 0.35rem;
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.course-transparency a {
  color: var(--color-primary-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.course-recommendation {
  margin-top: 1.5rem;
}

.course-offer {
  padding: clamp(1.35rem, 4vw, 2rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.course-offer-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.course-offer-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.course-offer-label {
  color: var(--color-primary-dark);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.course-affiliate-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 0.67rem;
  font-weight: 850;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-transform: uppercase;
}

.course-offer-title {
  color: var(--color-ink);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 840;
  letter-spacing: -0.03em;
  line-height: 1.18;
}

.course-offer-producer {
  margin-top: 0.3rem;
  color: var(--color-primary-dark);
  font-size: 0.88rem;
  font-weight: 700;
}

.course-offer-description {
  max-width: 72ch;
  margin-top: 0.8rem;
  color: var(--color-muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.course-offer-notes {
  margin-top: 1.2rem;
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-primary-wash);
}

.course-offer-notes-title {
  color: var(--color-ink);
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.35;
}

.course-offer-notes-list {
  display: grid;
  gap: 0.4rem;
  margin-top: 0.55rem;
}

.course-offer-notes-list li {
  position: relative;
  padding-left: 1rem;
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.course-offer-notes-list li::before {
  content: "";
  position: absolute;
  top: 0.6em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.course-offer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  margin-top: 1.25rem;
}

.course-offer-link {
  gap: 0.4rem;
}

.course-link-arrow {
  font-size: 1rem;
  line-height: 1;
}

.course-external-note {
  color: var(--color-subtle);
  font-size: 0.8rem;
}

.course-disclosure {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: #fffbeb;
  color: var(--color-ink-soft);
  font-size: 0.83rem;
  line-height: 1.6;
}

.course-disclosure strong {
  color: var(--color-ink);
}

.course-local-count {
  margin-top: 0.55rem;
  color: var(--color-subtle);
  font-size: 0.76rem;
  line-height: 1.5;
}

/* ---------------------------------------------------------
   Painel sobre o projeto
   --------------------------------------------------------- */

.about-panel {
  position: relative;
  display: grid;
  gap: 2rem;
  overflow: hidden;
  padding: clamp(2rem, 5vw, 3.5rem);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-primary-deep), var(--color-primary));
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.about-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 10%, rgba(245, 158, 11, 0.25), transparent 35%);
  pointer-events: none;
}

.about-panel > * {
  position: relative;
  z-index: 1;
}

.about-panel .kicker {
  color: #a7f3d0;
}

.about-panel .kicker::before {
  background: var(--color-accent);
}

.about-panel .section-title {
  color: #ffffff;
}

.about-lead {
  max-width: 52ch;
  margin-top: 0.9rem;
  color: #ccfbf1;
  line-height: 1.75;
}

.about-actions {
  margin-top: 1.5rem;
}

.about-list {
  display: grid;
  gap: 1rem;
}

.about-item {
  display: flex;
  gap: 0.8rem;
}

.about-item-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.12);
  color: #fbbf24;
}

.about-item-icon .icon {
  width: 1.1rem;
  height: 1.1rem;
}

.about-item > span:last-child {
  display: block;
}

.about-item strong {
  display: block;
  font-size: 0.95rem;
  line-height: 1.35;
}

.about-item > span:last-child > span {
  display: block;
  margin-top: 0.15rem;
  color: #ccfbf1;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* ---------------------------------------------------------
   Páginas internas
   --------------------------------------------------------- */

.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, #ffffff, var(--color-bg));
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(15, 118, 110, 0.1), transparent 38%),
    radial-gradient(circle at 90% 20%, rgba(245, 158, 11, 0.1), transparent 34%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-subtle);
  font-size: 0.82rem;
}

.breadcrumbs a {
  color: var(--color-primary-dark);
  font-weight: 650;
}

.breadcrumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-muted);
}

.page-hero h1 {
  max-width: 16ch;
  margin-top: 1.25rem;
  color: var(--color-ink);
  font-size: clamp(2.1rem, 5.5vw, 3.7rem);
  font-weight: 850;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.page-lead {
  max-width: 62ch;
  margin-top: 1rem;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.7;
}

.page-hero .badge {
  margin-top: 1.25rem;
}

/* ---------------------------------------------------------
   Conteúdo em preparação
   --------------------------------------------------------- */

.placeholder-layout {
  display: grid;
  gap: 1.25rem;
}

.placeholder-panel,
.side-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.placeholder-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.placeholder-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.placeholder-icon {
  display: grid;
  flex: none;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.placeholder-icon .icon {
  width: 1.6rem;
  height: 1.6rem;
}

.placeholder-head .kicker {
  margin-bottom: 0.35rem;
}

.placeholder-panel h2,
.side-panel h2 {
  color: var(--color-ink);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 820;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.placeholder-panel > p {
  color: var(--color-muted);
  line-height: 1.7;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.7rem;
  border: 1px solid #99f6e4;
  border-radius: var(--radius-pill);
  background: var(--color-primary-wash);
  color: var(--color-primary-deep);
  font-size: 0.8rem;
  font-weight: 650;
}

.note-box {
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-accent-soft);
  color: #78350f;
  font-size: 0.88rem;
  line-height: 1.6;
}

.note-box strong {
  font-weight: 800;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.side-panel {
  padding: clamp(1.5rem, 4vw, 2rem);
}

.side-panel h2 {
  margin-top: 0.65rem;
  font-size: 1.35rem;
}

.format-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.35rem;
}

.format-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
}

.format-number {
  display: grid;
  flex: none;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
}

.format-list li > span:last-child {
  display: block;
}

.format-list strong {
  display: block;
  color: var(--color-ink);
  font-size: 0.9rem;
  line-height: 1.35;
}

.format-list li > span:last-child > span {
  display: block;
  margin-top: 0.15rem;
  color: var(--color-subtle);
  font-size: 0.82rem;
  line-height: 1.55;
}

.side-note {
  margin-top: 1.35rem;
  padding-top: 1.15rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-subtle);
  font-size: 0.8rem;
  line-height: 1.6;
}

/* ---------------------------------------------------------
   Guia de fórmulas
   --------------------------------------------------------- */

.page-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-top: 1.25rem;
  color: var(--color-muted);
  font-size: 0.82rem;
}

.page-highlights li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.page-highlights li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.page-highlights strong {
  color: var(--color-ink);
  font-weight: 800;
}

.guide-wrap {
  padding-top: clamp(2.25rem, 4vw, 3.25rem);
}

.guide-layout {
  display: grid;
  gap: 2rem;
}

.guide-toc {
  align-self: start;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.toc-head h2 {
  margin-top: 0.45rem;
  color: var(--color-ink);
  font-size: 1.3rem;
  font-weight: 820;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.toc-list {
  display: grid;
  gap: 0.1rem;
  margin-top: 1rem;
  counter-reset: toc;
}

.toc-list li {
  counter-increment: toc;
}

.toc-list a {
  display: flex;
  gap: 0.6rem;
  padding: 0.48rem 0.5rem;
  border-radius: var(--radius-sm);
  color: var(--color-muted);
  font-size: 0.86rem;
  line-height: 1.4;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.toc-list a::before {
  content: counter(toc, decimal-leading-zero);
  flex: none;
  padding-top: 0.12rem;
  color: var(--color-subtle);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
}

.toc-list a:hover {
  background: var(--color-primary-wash);
  color: var(--color-primary-deep);
}

.toc-note {
  margin-top: 1.15rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-subtle);
  font-size: 0.78rem;
  line-height: 1.55;
}

.guide-content {
  min-width: 0;
}

.guide-section {
  scroll-margin-top: calc(var(--header-height) + 1.25rem);
}

.guide-section + .guide-section {
  margin-top: clamp(2.25rem, 5vw, 3.25rem);
  padding-top: clamp(2.25rem, 5vw, 3.25rem);
  border-top: 1px solid var(--color-border);
}

.guide-heading {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1.2rem;
}

.guide-heading > div {
  min-width: 0;
}

.section-number {
  display: grid;
  flex: none;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.guide-heading h2 {
  margin-top: 0.25rem;
  color: var(--color-ink);
  font-size: clamp(1.7rem, 3.6vw, 2.25rem);
  font-weight: 840;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.guide-section h3 {
  margin-top: 1.65rem;
  margin-bottom: 0.35rem;
  color: var(--color-ink);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.guide-section p {
  max-width: 72ch;
  color: var(--color-muted);
  line-height: 1.75;
}

.guide-section h3 + p {
  margin-top: 0.45rem;
}

.guide-section p + p {
  margin-top: 0.8rem;
}

.guide-section code,
.reference-card code {
  padding: 0.1em 0.3em;
  border-radius: 4px;
  background: var(--color-surface-soft);
  color: var(--color-primary-deep);
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.guide-section .formula-code code {
  padding: 0;
  background: none;
  color: inherit;
  font-size: inherit;
}

.formula-code {
  max-width: 100%;
  margin: 0.75rem 0 0;
  padding: 0.9rem 1.05rem;
  overflow-wrap: anywhere;
  border: 1px solid #99f6e4;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--color-primary-wash);
  color: var(--color-primary-deep);
  font-family: var(--font-mono);
  font-size: clamp(0.78rem, 2.1vw, 0.92rem);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.formula-pair {
  display: grid;
  gap: 0.6rem;
  margin-top: 0.75rem;
}

.formula-pair .formula-copy {
  margin-top: 0;
}

.formula-copy {
  min-width: 0;
  margin-top: 0.75rem;
}

.formula-copy > .formula-code {
  margin-top: 0;
}

.example-box .formula-copy {
  margin-top: 0.45rem;
}

.formula-copy-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.65rem;
  margin-top: 0.45rem;
}

.copy-formula {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0.38rem 0.72rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-primary-dark);
  font: inherit;
  font-size: 0.76rem;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.copy-formula:hover {
  border-color: #99f6e4;
  background: var(--color-primary-wash);
  color: var(--color-primary-deep);
}

.copy-formula:focus-visible {
  outline: 3px solid rgba(13, 148, 136, 0.25);
  outline-offset: 2px;
}

.copy-feedback {
  color: var(--color-success);
  font-size: 0.76rem;
  font-weight: 750;
  line-height: 1.4;
}

.copy-feedback:empty {
  display: none;
}

.copy-feedback[data-state="error"] {
  color: #b91c1c;
}

.example-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.example-box {
  min-width: 0;
  padding: 0.9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
}

.example-label {
  display: block;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.example-box .formula-code {
  margin-top: 0.45rem;
}

.example-box .formula-copy > .formula-code {
  margin-top: 0;
}

.example-result {
  display: block;
  margin-top: 0.5rem;
  color: var(--color-primary-dark);
  font-size: 0.84rem;
  font-weight: 750;
}

.result-box {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.75rem;
  margin-top: 0.85rem;
  padding: 0.9rem 1.05rem;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius-md);
  background: #ecfdf5;
}

.result-box span {
  color: var(--color-primary-dark);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.result-box strong {
  color: var(--color-primary-deep);
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  line-height: 1.2;
}

.result-box small {
  color: var(--color-muted);
  font-size: 0.8rem;
  line-height: 1.45;
}

.result-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.result-grid .result-box {
  margin-top: 0;
}

.content-list,
.error-list,
.checklist-list {
  display: grid;
  gap: 0.6rem;
  margin-top: 1rem;
}

.content-list li,
.error-list li,
.checklist-list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.content-list li::before {
  content: "";
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
}

.error-list li::before {
  content: "!";
  position: absolute;
  top: 0.18em;
  left: 0;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
  font-size: 0.7rem;
  font-weight: 900;
  line-height: 1;
}

.checklist-list li::before {
  content: "✓";
  position: absolute;
  top: 0;
  left: 0;
  color: var(--color-success);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.5;
}

.content-list strong,
.error-list strong,
.checklist-list strong {
  color: var(--color-ink);
}

.reference-grid {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.reference-card {
  min-width: 0;
  padding: 0.95rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.reference-card > code {
  display: inline-block;
  margin-bottom: 0.45rem;
  background: var(--color-primary-soft);
  color: var(--color-primary-deep);
  font-weight: 800;
}

.reference-card strong {
  display: block;
  color: var(--color-ink);
  font-size: 0.9rem;
  line-height: 1.35;
}

.reference-card p {
  margin-top: 0.2rem;
  color: var(--color-muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.data-table {
  width: 100%;
  margin-top: 1rem;
  border: 1px solid var(--color-border);
  border-collapse: collapse;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  font-size: 0.84rem;
  table-layout: fixed;
}

.data-table caption {
  padding: 0 0 0.55rem;
  color: var(--color-subtle);
  font-size: 0.78rem;
  line-height: 1.45;
  text-align: left;
}

.data-table th,
.data-table td {
  padding: 0.62rem 0.65rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

.data-table th:first-child {
  width: 44%;
}

.data-table thead th {
  background: var(--color-surface-soft);
  color: var(--color-ink-soft);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.data-table tbody th {
  color: var(--color-ink-soft);
  font-weight: 650;
}

.data-table td:not(:first-child),
.data-table thead th:not(:first-child) {
  text-align: right;
}

.data-table td {
  color: var(--color-ink-soft);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.data-table.data-table--lookup th:first-child {
  width: 38%;
}

.data-table.data-table--lookup td:not(:first-child),
.data-table.data-table--lookup thead th:not(:first-child) {
  text-align: left;
}

.data-table tbody tr:last-child th,
.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.data-table tfoot th,
.data-table tfoot td {
  background: var(--color-primary-wash);
  color: var(--color-primary-deep);
  font-weight: 800;
}

.data-table tfoot th {
  border-radius: 0 0 0 var(--radius-sm);
}

.data-table tfoot td:last-child {
  border-radius: 0 0 var(--radius-sm) 0;
}

.tip-box {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  border: 1px solid #fde68a;
  border-radius: var(--radius-md);
  background: var(--color-accent-soft);
}

.tip-label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--color-accent-dark);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tip-box p {
  color: #78350f;
  font-size: 0.9rem;
  line-height: 1.65;
}

.guide-section .note-box {
  margin-top: 1.5rem;
}

.back-to-toc {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 2rem;
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  font-weight: 800;
}

.back-to-toc::before {
  content: "↑";
  font-size: 0.95rem;
}

.back-to-toc:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.error-codes {
  display: grid;
  gap: 0.7rem;
  margin-top: 1rem;
}

.error-codes > div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 0.75rem;
  padding: 0.8rem 0.95rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.error-codes dt code {
  padding: 0;
  background: none;
  color: var(--color-primary-deep);
  font-weight: 800;
}

.error-codes dd {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.84rem;
  line-height: 1.55;
}

.faq-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.15rem;
}

.faq-item {
  padding: 1rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.faq-item h3 {
  margin-top: 0;
  font-size: 0.98rem;
}

.faq-item p {
  margin-top: 0.35rem;
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ---------------------------------------------------------
   Privacidade
   --------------------------------------------------------- */

.policy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.policy-card {
  padding: 1.35rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.policy-icon {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  margin-bottom: 0.9rem;
  border-radius: 11px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.policy-icon .icon {
  width: 1.15rem;
  height: 1.15rem;
}

.policy-card h3 {
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.policy-card p {
  margin-top: 0.45rem;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.privacy-note {
  margin-top: 1.5rem;
}

.privacy-note + .placeholder-actions {
  margin-top: 1.5rem;
}

/* ---------------------------------------------------------
   Página 404
   --------------------------------------------------------- */

.error-page {
  display: grid;
  min-height: clamp(420px, 62vh, 640px);
  padding: clamp(3rem, 8vw, 6rem) 0;
  place-items: center;
  text-align: center;
}

.error-code {
  display: flex;
  justify-content: center;
  gap: 0.02em;
  color: var(--color-primary);
  font-size: clamp(5rem, 18vw, 9rem);
  font-weight: 900;
  letter-spacing: -0.08em;
  line-height: 0.85;
}

.error-code .accent {
  color: var(--color-accent);
}

.error-page h1 {
  margin-top: 1.25rem;
  color: var(--color-ink);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 840;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.error-page p {
  max-width: 48ch;
  margin-top: 0.75rem;
  color: var(--color-muted);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* ---------------------------------------------------------
   Rodapé
   --------------------------------------------------------- */

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.footer-grid {
  display: grid;
  gap: 2rem;
  padding: clamp(2.5rem, 5vw, 3.5rem) 0;
}

.footer-brand .brand {
  margin-bottom: 1rem;
}

.footer-brand .brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.footer-brand p {
  max-width: 34ch;
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1rem;
  color: var(--color-subtle);
  font-size: 0.78rem;
  font-weight: 650;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.footer-title {
  margin-bottom: 0.85rem;
  color: var(--color-ink);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-nav {
  display: grid;
  align-content: start;
  gap: 0.45rem;
}

.footer-nav a {
  width: fit-content;
  color: var(--color-muted);
  font-size: 0.88rem;
}

.footer-nav a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.footer-note p {
  max-width: 34ch;
  margin-bottom: 0.6rem;
  color: var(--color-muted);
  font-size: 0.84rem;
  line-height: 1.65;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-subtle);
  font-size: 0.76rem;
}

/* ---------------------------------------------------------
   Responsivo
   --------------------------------------------------------- */

@media (min-width: 640px) {
  .container {
    width: min(calc(100% - 3rem), var(--container));
  }

  .hero-actions .btn {
    width: auto;
  }

  .budget-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .hero-actions .btn {
    width: 100%;
  }
}

@media (min-width: 720px) {
  .trust-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    padding: 1.35rem 0;
  }

  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .policy-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .course-criteria {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .nav-desktop {
    display: flex;
  }

  .nav-mobile {
    display: none;
  }

  .about-panel {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 3rem;
  }

  .placeholder-layout {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
    align-items: start;
  }

  .footer-grid {
    grid-template-columns: 1.2fr 0.7fr 1fr;
    gap: 3rem;
  }
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 4rem;
  }

  .hero-visual {
    margin-inline: 0 0 0 auto;
  }

  .calculator-shell {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  }
}

@media (max-width: 380px) {
  .brand {
    gap: 0.5rem;
    font-size: 0.98rem;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .spreadsheet-table {
    font-size: 0.7rem;
  }

  .spreadsheet-table thead th,
  .spreadsheet-table tbody th,
  .spreadsheet-table tfoot th,
  .spreadsheet-table td {
    padding-right: 0.25rem;
    padding-left: 0.25rem;
  }

  .visual-badge {
    right: 0;
  }
}

@media (min-width: 640px) {
  .example-grid,
  .result-grid,
  .checklist-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .reference-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .example-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .guide-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .guide-toc {
    position: sticky;
    top: calc(var(--header-height) + 1.25rem);
    max-height: calc(100dvh - var(--header-height) - 2rem);
    overflow-y: auto;
  }

  .reference-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .guide-actions .btn {
    width: 100%;
  }

  .clear-confirmation-actions .btn {
    width: 100%;
  }

  .error-codes > div {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
}

@media (max-width: 380px) {
  .page-highlights {
    gap: 0.4rem 0.9rem;
    font-size: 0.78rem;
  }

  .guide-heading {
    gap: 0.65rem;
  }

  .section-number {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    font-size: 0.66rem;
  }

  .data-table {
    font-size: 0.75rem;
  }

  .data-table th,
  .data-table td {
    padding: 0.5rem 0.35rem;
  }

  .data-table thead th {
    font-size: 0.62rem;
  }

  .error-codes > div {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
}

@media (min-width: 560px) {
  .ledger-form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ledger-field--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 640px) {
  .ledger-filters {
    grid-template-columns: 1.1fr 0.8fr 1.4fr;
  }

  .ledger-filter:last-child {
    grid-column: auto;
  }

  .ledger-summary {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .ledger-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .ledger-table-wrap {
    display: block;
  }

  .ledger-cards {
    display: none;
  }
}

@media (min-width: 960px) {
  .ledger-form-grid {
    grid-template-columns: 0.8fr 1.7fr 1.1fr 1fr 1fr;
  }

  .ledger-field--wide {
    grid-column: auto;
  }

  .ledger-toolbar {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
  }

  .ledger-filters {
    flex: 1 1 450px;
    max-width: 520px;
  }

  .ledger-export-panel {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
  }

  .ledger-export-panel > div:first-child {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 600px;
  }

  .ledger-export-actions {
    flex: none;
    justify-content: flex-end;
  }

  .ledger-export-actions .btn {
    flex: 0 1 auto;
  }
}

@media (max-width: 520px) {
  .ledger-form-actions .btn,
  .ledger-export-actions .btn,
  .ledger-dialog-actions .btn,
  .course-offer-actions .btn {
    width: 100%;
    flex-basis: 100%;
  }

  .course-external-note {
    width: 100%;
  }
}

@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;
  }
}