/* ============================================================
   layout.css
   Estrutura e layout global do projeto A História de Jesus
   ============================================================ */

/* ---- Page Wrapper ---- */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
}

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-sm {
  max-width: 800px;
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container-lg {
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* ---- Sections ---- */
section {
  padding-block: var(--space-20);
}

.section-sm  { padding-block: var(--space-12); }
.section-lg  { padding-block: var(--space-24); }

/* ---- Grids ---- */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.grid-auto-sm { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.grid-auto-md { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid-auto-lg { grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); }

/* ---- Hero / Page Banner ---- */
.page-hero {
  position: relative;
  background-color: var(--color-primary-dark);
  padding-block: var(--space-24);
  overflow: hidden;
  text-align: center;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(44, 62, 80, 0.95) 0%,
    rgba(26, 37, 47, 0.90) 50%,
    rgba(139, 105, 20, 0.30) 100%
  );
  z-index: 1;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-hero__content {
  position: relative;
  z-index: 2;
}

.page-hero__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-secondary-light);
  margin-bottom: var(--space-4);
}

.page-hero__title {
  font-family: var(--font-serif);
  font-size: var(--text-4xl);
  color: var(--color-text-white);
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.page-hero__subtitle {
  font-size: var(--text-md);
  color: rgba(255, 255, 255, 0.80);
  max-width: 600px;
  margin-inline: auto;
  line-height: 1.7;
}

/* ---- Breadcrumbs ---- */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
}

.breadcrumb__item {
  color: var(--color-text-light);
}

.breadcrumb__item a {
  color: var(--color-secondary);
}

.breadcrumb__item a:hover {
  color: var(--color-secondary-light);
}

.breadcrumb__separator {
  color: var(--color-text-light);
  font-size: 0.75em;
}

.breadcrumb__item--active {
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* ---- Sidebar Layout ---- */
.layout-sidebar {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-10);
  align-items: start;
}

.layout-sidebar--left {
  grid-template-columns: 280px 1fr;
}

/* ---- Sticky Sidebar ---- */
.sidebar-sticky {
  position: sticky;
  top: calc(var(--space-16) + var(--space-4));
}

/* ---- Seção com fundo colorido ---- */
.section-dark {
  background-color: var(--color-primary-dark);
  color: var(--color-text-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-text-white);
}

.section-dark p {
  color: rgba(255, 255, 255, 0.80);
}

.section-muted {
  background-color: var(--color-bg-secondary);
}

.section-gold {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, #2C3E50 100%);
  position: relative;
  overflow: hidden;
}

.section-gold::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 168, 76, 0.15) 0%, transparent 70%);
}

/* ---- Skip Link (Acessibilidade) ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  background: var(--color-secondary);
  color: white;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: var(--z-toast);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

/* ---- Back to Top ---- */
.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 44px;
  height: 44px;
  background: var(--color-secondary);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-secondary-light);
  transform: translateY(-3px);
}

/* ---- Footer ---- */
.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.75);
  padding-top: var(--space-16);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
}

.footer-logo {
  margin-bottom: var(--space-4);
}

.footer-description {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: var(--space-6);
}

.footer-heading {
  font-family: var(--font-sans);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-secondary-light);
  margin-bottom: var(--space-4);
}

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

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-secondary-light);
}

.footer-bottom {
  padding-block: var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.50);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-6);
}

.footer-bottom-links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.50);
  transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
  color: var(--color-secondary-light);
}

/* ---- Responsividade do Layout ---- */
@media (max-width: 1024px) {
  .layout-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar-sticky {
    position: static;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  section { padding-block: var(--space-12); }

  .grid-2,
  .grid-3 { grid-template-columns: 1fr; }

  .page-hero {
    padding-block: var(--space-16);
  }

  .page-hero__title {
    font-size: var(--text-3xl);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: var(--space-4);
  }

  .grid-4 { grid-template-columns: 1fr; }

  .page-hero__title { font-size: var(--text-2xl); }
}