*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-text);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  z-index: 1000;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: var(--space-sm); }

/* === CONTAINER === */
.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.content-container {
  width: min(calc(100% - 32px), var(--content-max));
  margin: 0 auto;
}

/* === HEADER === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 64px;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.logo span {
  display: block;
  font-size: 0.7rem;
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color 0.2s;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
}

.nav a:hover, .nav a.active { color: var(--color-text); }
.nav a.active { font-weight: 700; }

/* === MOBILE HEADER === */
.mobile-header { display: none; }

@media (max-width: 768px) {
  .site-header { display: none; }
  .mobile-header {
    display: flex !important;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 250, 248, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    min-height: 56px;
    padding: 0 var(--space-md);
    align-items: center;
  }
  .mobile-nav {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    overflow-x: auto;
    width: 100%;
    padding: var(--space-sm) 0;
    -webkit-overflow-scrolling: touch;
  }
  .mobile-nav a {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-muted);
    white-space: nowrap;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
  }
  .mobile-nav a:hover, .mobile-nav a.active { color: var(--color-text); }
  .mobile-nav a.active { font-weight: 700; }
}

/* === BREADCRUMB === */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-muted);
  padding: var(--space-md) 0;
}

.breadcrumb a { color: var(--color-muted); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--color-text); }
.breadcrumb span { color: var(--color-text); font-weight: 500; }
.breadcrumb-sep { color: var(--color-border); }

/* === HERO (landing page) === */
.hero {
  padding: var(--space-3xl) 0 var(--space-2xl);
  text-align: center;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.hero .subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--color-muted);
  max-width: 640px;
  margin: 0 auto var(--space-xl);
  line-height: 1.8;
}

.hero .etapa-badge {
  margin-bottom: var(--space-lg);
}

/* === ETAPA BADGE === */
.etapa-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* === PAGE HEADER (step pages) === */
.page-header {
  padding: var(--space-2xl) 0 var(--space-xl);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-2xl);
}

.page-header .step-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.page-header .step-meta .etapa-badge {
  font-size: 0.7rem;
}

.page-header h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.page-header .step-subtitle {
  font-size: 1.1rem;
  color: var(--color-muted);
  margin-top: var(--space-sm);
}

/* === STEP SECTIONS === */
.step-section {
  margin-bottom: var(--space-2xl);
}

.step-section-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--accent-soft);
}

.section-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-size: 1.2rem;
  font-weight: 700;
  flex-shrink: 0;
}

.step-section-header h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}

.step-section-content {
  padding: var(--space-lg);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.step-section-content p {
  line-height: 1.8;
  color: var(--color-text);
}

.step-section-content p + p {
  margin-top: var(--space-md);
}

/* === DOWNLOAD BUTTON (inside Para Começar) === */
.para-comecar-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  background: var(--accent);
  color: var(--accent-on-accent);
  font-weight: 600;
  font-size: 0.9rem;
  min-height: 44px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 14px var(--accent-border);
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-border);
  color: var(--accent-on-accent);
}

.download-icon { font-size: 1.1rem; font-weight: 700; }

.download-btn.is-unavailable {
  background: var(--color-border);
  color: var(--color-muted);
  box-shadow: none;
  cursor: default;
}

.download-btn.is-unavailable:hover {
  transform: none;
  box-shadow: none;
  color: var(--color-muted);
}

/* === FERRAMENTAS LIST === */
.ferramentas-intro {
  margin-bottom: var(--space-md);
  font-size: 0.95rem;
  color: var(--color-muted);
}

.ferramentas-list {
  display: grid;
  gap: 10px;
}

.ferramenta-item,
.aprofunde-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.ferramenta-item-content,
.aprofunde-item-content {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
}

.ferramenta-icon,
.aprofunde-item-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-size: 1.1rem;
}

.ferramenta-info strong,
.aprofunde-item-info strong {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 2px;
  color: var(--color-text);
}

.ferramenta-info span,
.aprofunde-item-info span {
  display: block;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.ferramenta-link,
.aprofunde-link {
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  flex-shrink: 0;
  transition: .2s ease;
}

.ferramenta-link:hover,
.aprofunde-link:hover { background: var(--accent-hover); }

/* === OUÇA === */
.ouca-placeholder {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* === APROFUNDE LIST === */
.aprofunde-list {
  display: grid;
  gap: 12px;
}

.aprofunde-link.is-empty {
  opacity: 0.5;
  cursor: default;
}

/* === PRATIQUE === */
.pratique-experimento {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-text);
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

.pratique-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-muted);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pratique-experimento p { margin: 0; }

.pratique-pergunta {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent-soft), rgba(250,250,248,0.5));
  border: 1px solid var(--accent-soft);
}

.pratique-pergunta strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-text);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.pratique-pergunta p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  margin: 0;
}

/* === ORGANIZE-SE (week plan) === */
.week-plan-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.week-day-card {
  padding: 16px;
  border-radius: 20px;
  background: linear-gradient(180deg, #fff, #fbfcfa);
  border: 1px solid var(--accent-border);
}

.week-day-card strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--accent-text);
  font-weight: 700;
}

.week-day-card span {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-muted);
}

.week-day-card .day-empty {
  color: var(--color-muted);
  font-style: italic;
}

.week-day-card .day-leitura {
  margin-top: 6px;
  font-size: 0.8rem;
  color: var(--color-muted);
  font-style: italic;
}

/* === STEP NAVIGATION === */
.step-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

.step-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-muted);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  transition: all 0.2s;
}

.step-nav-link:hover {
  border-color: var(--accent-border);
  color: var(--color-text);
}

.step-nav-link.disabled {
  opacity: 0.3;
  pointer-events: none;
}

/* === BUTTONS (genéricos) === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 48px;
  padding: 0 var(--space-lg);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-on-accent);
  box-shadow: 0 4px 14px var(--accent-border);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-border);
  color: var(--accent-on-accent);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover { border-color: var(--color-text); background: rgba(0, 0, 0, 0.02); }

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent-text);
}
.btn-outline:hover { background: var(--accent-soft); }

/* === GRID DE PASSOS (index) === */
.passos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.passo-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}
.passo-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.passo-card .passo-numero {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--accent-soft);
  color: var(--accent-text);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

.passo-card h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  margin-bottom: var(--space-sm);
}
.passo-card p {
  font-size: 0.9rem;
  color: var(--color-muted);
  flex: 1;
  margin-bottom: var(--space-md);
}
.passo-card .btn { align-self: flex-start; }

/* === PLACEHOLDER === */
.placeholder-section {
  border-radius: var(--radius-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  text-align: center;
  color: var(--color-muted);
}
.placeholder-section .placeholder-icon { font-size: 2rem; margin-bottom: var(--space-md); }
.placeholder-section p { font-size: 0.9rem; }

/* === SECTION GENÉRICA === */
.section {
  margin-bottom: var(--space-3xl);
}
.section h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}
.section p {
  color: var(--color-muted);
  max-width: var(--content-max);
  margin-bottom: var(--space-md);
  line-height: 1.7;
}

/* === INDEX — LANDING === */
.hero-intro {
  color: var(--color-muted);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}
.section-title-center {
  text-align: center;
}
.section-intro {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}
.section-cta {
  text-align: center;
}
.section-cta p {
  max-width: 500px;
  margin: 0 auto var(--space-lg);
}

/* === INDEX — FERRAMENTAS PARA O CAMINHO (box rico) === */
.ferramentas-box-card {
  background: var(--color-surface);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.ferramentas-box-list {
  display: grid;
  gap: 12px;
}

.ferramentas-box-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.ferramentas-box-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 1.2rem;
}

.ferramentas-box-info {
  flex: 1;
  min-width: 0;
}

.ferramentas-box-info strong {
  display: block;
  font-size: 0.9375rem;
  margin-bottom: 2px;
  color: var(--color-text);
}

.ferramentas-box-info span {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.6;
}

.ferramentas-box-link {
  min-height: 36px;
  padding: 0 16px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-text);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  flex-shrink: 0;
  transition: .2s ease;
}

.ferramentas-box-link:hover { background: var(--accent-hover); }

.ferramentas-box-link.is-secondary {
  background: transparent;
  color: var(--color-muted);
}

.ferramentas-box-link.is-secondary:hover {
  background: var(--accent-soft);
  color: var(--accent-text);
}

.ferramentas-box-actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* === PÁGINA 404 === */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 60vh;
  padding: var(--space-3xl) 0;
}
.error-page h1 {
  font-family: var(--font-heading);
  font-size: clamp(4rem, 10vw, 8rem);
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-md);
}
.error-page p {
  font-size: 1.1rem;
  color: var(--color-muted);
  max-width: 400px;
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

/* === FOOTER === */
.site-footer {
  padding: var(--space-2xl) 0;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.footer-inner {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.footer-inner strong {
  display: block;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  font-family: var(--font-heading);
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .step-nav {
    flex-direction: column;
    align-items: stretch;
  }
  .step-nav-link { justify-content: center; }
  .week-plan-grid { grid-template-columns: 1fr; }
  .hero { padding: var(--space-2xl) 0 var(--space-xl); }
  .ferramentas-box-item {
    flex-direction: column;
    align-items: flex-start;
  }
  .ferramentas-box-link,
  .ferramentas-box-actions .ferramentas-box-link {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .hero .btn { justify-content: center; }
}

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