/**
 * Borboleta Travel - Base & Structural Styles
 * Estrutura limpa, acessível e semântica (sem design final)
 */

/* ==========================================================================
   Reseteo Básico e Acessibilidade
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-family: var(--bt-font-family-body);
  font-size: 16px;
  line-height: var(--bt-line-height-base);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bt-bg-body);
  color: var(--bt-text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Trava de segurança contra rolagem horizontal no mobile.
   'clip' em vez de 'hidden' para não quebrar position: sticky nos filhos. */
html,
body {
  max-width: 100%;
  overflow-x: clip;
}

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

a {
  color: var(--bt-primary);
  text-decoration: none;
  transition: color var(--bt-transition-fast);
}

a:hover,
a:focus {
  color: var(--bt-primary-hover);
  text-decoration: underline;
}

/* ==========================================================================
   Acessibilidade: Screen Readers & Skip Links
   ========================================================================== */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: var(--bt-color-white);
  border-radius: var(--bt-radius-sm);
  box-shadow: var(--bt-shadow-md);
  clip: auto !important;
  clip-path: none;
  color: var(--bt-text-main);
  display: block;
  font-size: var(--bt-fs-sm);
  font-weight: 700;
  height: auto;
  left: 1rem;
  line-height: normal;
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  top: 1rem;
  width: auto;
  z-index: 100000;
}

/* ==========================================================================
   Tipografia Estrutural
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--bt-font-family-heading);
  color: var(--bt-text-heading);
  line-height: var(--bt-line-height-tight);
  margin-top: 0;
  margin-bottom: var(--bt-space-4);
  font-weight: 600;
}

h1 { font-size: var(--bt-fs-3xl); }
h2 { font-size: var(--bt-fs-2xl); }
h3 { font-size: var(--bt-fs-xl); }
h4 { font-size: var(--bt-fs-lg); }
h5 { font-size: var(--bt-fs-md); }
h6 { font-size: var(--bt-fs-base); }

p {
  margin-top: 0;
  margin-bottom: var(--bt-space-4);
}

/* ==========================================================================
   Layout Base & Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--bt-container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--bt-container-padding);
  padding-right: var(--bt-container-padding);
}

.site-content {
  flex: 1 0 auto;
  padding-top: 0 !important;
  padding-bottom: var(--bt-space-12);
}

/* ==========================================================================
   Header & Navegação
   ========================================================================== */
.site-header {
  background-color: var(--bt-bg-surface);
  border-bottom: 1px solid var(--bt-border-color);
  padding: 5px 0 0 0;
  position: relative;
  z-index: 100;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: var(--bt-space-3);
}

.site-branding {
  display: flex;
  align-items: center;
}

.site-title {
  font-size: var(--bt-fs-xl);
  margin: 0;
  font-weight: 700;
}

.site-title a {
  color: var(--bt-primary);
  text-decoration: none;
}

.site-description {
  font-size: var(--bt-fs-xs);
  color: var(--bt-text-muted);
  margin: 0;
}

/* Navegação Principal */
.main-navigation {
  display: flex;
  align-items: center;
}

.main-navigation > ul,
.main-navigation > .nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--bt-space-6);
}

.main-navigation li {
  position: relative;
}

.main-navigation a {
  color: var(--bt-text-main);
  font-weight: 500;
  padding: var(--bt-space-2) 0;
  display: block;
}

.main-navigation a:hover,
.main-navigation a:focus {
  color: var(--bt-primary);
  text-decoration: none;
}

/* Botão Mobile Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--bt-border-color);
  padding: var(--bt-space-2) var(--bt-space-3);
  font-size: var(--bt-fs-base);
  border-radius: var(--bt-radius-sm);
  cursor: pointer;
  color: var(--bt-text-main);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .main-navigation > ul {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: var(--bt-space-2);
  }

  .main-navigation.is-active > ul {
    display: flex;
  }
}

/* ==========================================================================
   Artigos, Entradas e Páginas
   ========================================================================== */
.entry-card {
  background-color: var(--bt-bg-surface);
  border: 1px solid var(--bt-border-color);
  border-radius: var(--bt-radius-md);
  padding: var(--bt-space-6);
  margin-bottom: var(--bt-space-6);
}

.entry-header {
  margin-bottom: var(--bt-space-4);
}

.entry-meta {
  font-size: var(--bt-fs-sm);
  color: var(--bt-text-muted);
  display: flex;
  gap: var(--bt-space-4);
  flex-wrap: wrap;
  margin-bottom: var(--bt-space-3);
}

.entry-content {
  line-height: var(--bt-line-height-base);
}

.entry-footer {
  margin-top: var(--bt-space-6);
  padding-top: var(--bt-space-4);
  border-top: 1px solid var(--bt-border-color);
  font-size: var(--bt-fs-sm);
}

/* ==========================================================================
   Paginação
   ========================================================================== */
.pagination-nav {
  margin-top: var(--bt-space-8);
  display: flex;
  justify-content: center;
}

.pagination-nav .page-numbers {
  display: inline-flex;
  gap: var(--bt-space-2);
  list-style: none;
  padding: 0;
  margin: 0;
}

.pagination-nav a,
.pagination-nav span {
  padding: var(--bt-space-2) var(--bt-space-4);
  border: 1px solid var(--bt-border-color);
  border-radius: var(--bt-radius-sm);
  color: var(--bt-text-main);
}

.pagination-nav .current {
  background-color: var(--bt-primary);
  color: var(--bt-color-white);
  border-color: var(--bt-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--bt-color-charcoal);
  color: var(--bt-color-cream);
  padding: var(--bt-space-8) 0;
  margin-top: auto;
}

.site-footer a {
  color: var(--bt-color-amber);
}

.site-footer a:hover {
  color: var(--bt-color-cream);
}

.site-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--bt-space-4);
}

.site-footer .footer-navigation ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--bt-space-4);
}

.site-footer .copyright-text {
  font-size: var(--bt-fs-sm);
  margin: 0;
}

/* ==========================================================================
   Formulários (envio via wp_mail) — estados compartilhados
   ========================================================================== */

/* Campo anti-spam: invisível para pessoas, visível para robôs */
.bt-hp-field {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.bt-form-status {
  margin: 10px 0 0;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.45;
}

.bt-form-status[hidden] {
  display: none;
}

.bt-form-status.is-error {
  background: rgba(217, 91, 40, 0.12);
  border: 1px solid rgba(217, 91, 40, 0.45);
  color: #F3B08F;
}

.bt-form-status.is-success {
  background: rgba(102, 143, 130, 0.18);
  border: 1px solid rgba(128, 168, 156, 0.55);
  color: #CFE6DD;
}

/* Em fundos claros (ex.: blog) o texto do status fica mais escuro */
.bt-light-form .bt-form-status.is-error {
  color: #A8431A;
}

.bt-light-form .bt-form-status.is-success {
  color: #2F5A4D;
}

input.is-invalid,
select.is-invalid,
textarea.is-invalid {
  border-color: var(--bt-color-terracotta) !important;
  box-shadow: 0 0 0 3px rgba(217, 91, 40, 0.18) !important;
}

input[type="checkbox"].is-invalid {
  outline: 2px solid var(--bt-color-terracotta);
  outline-offset: 2px;
}

button.is-loading {
  cursor: progress;
  opacity: 0.8;
}

/* Avatar da marca (posts sem autor definido) */
.bt-brand-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--bt-header-bg);
  overflow: hidden;
}

.bt-brand-avatar img {
  width: 78% !important;
  height: 78% !important;
  object-fit: contain;
}