/* ==========================================================================
   ADLICEC IMÓVEIS — ESTRUTURA + IDENTIDADE VISUAL (vermelho / branco / preto)
   Paleta: vermelho como cor de destaque em ambos os modos; branco de base no
   modo claro, preto de base no modo escuro (mesmo vermelho da página do
   Desafio MCM, ajustado de tom para manter contraste em cada fundo).
   ========================================================================== */

:root {
  /* Espaçamento (escala 4/8pt) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;
  --space-7: 64px;
  --space-8: 96px;

  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --header-height: 72px;

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  /* Modo claro (padrão): base branca, vermelho como destaque. */
  --color-bg: #ffffff;
  --color-surface: #f7f2f2;
  --color-text: #141414;
  --color-text-muted: #5c5c5c;
  --color-border: #e6dcdc;
  --color-primary: #e11d2e;
  --color-primary-rgb: 225, 29, 46;
  --color-primary-soft: #fdeceb;
  --color-primary-contrast: #ffffff;

  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Modo escuro: base preta, mesmo vermelho da página do Desafio MCM
       (um tom mais claro para manter contraste sobre fundo escuro). */
    --color-bg: #0d0d0f;
    --color-surface: #1a1a1c;
    --color-text: #f2f2f2;
    --color-text-muted: #b3b3ba;
    --color-border: #2c2c2f;
    --color-primary: #ff4d4d;
    --color-primary-rgb: 255, 77, 77;
    --color-primary-soft: #2a1214;
    --color-primary-contrast: #1a0505;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@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;
  }
}

body {
  margin: 0;
  font-family: var(--font-base);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img, picture, svg { max-width: 100%; display: block; }
a { color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; cursor: pointer; background: none; border: none; }
input, select, textarea { font: inherit; }
h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 var(--space-3); }
p { margin: 0 0 var(--space-3); }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.visually-hidden {
  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; left: var(--space-3); top: -48px;
  background: var(--color-primary); color: var(--color-primary-contrast);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm);
  z-index: 1000; transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-3); }

:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ==========================================================================
   HEADER / MENU
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-height); gap: var(--space-3);
}
.logo { font-weight: 700; font-size: 1.25rem; text-decoration: none; white-space: nowrap; }
.logo span { font-weight: 400; color: var(--color-primary); }

.nav-toggle {
  display: inline-flex; flex-direction: column; justify-content: center;
  align-items: center; gap: 5px; width: 44px; height: 44px; flex-shrink: 0;
}
.nav-toggle__bar {
  display: block; width: 22px; height: 2px; background: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  position: fixed; inset: var(--header-height) 0 0 0;
  background: var(--color-bg); padding: var(--space-4);
  transform: translateX(100%); transition: transform var(--transition-base);
  overflow-y: auto;
}
.site-nav.is-open { transform: translateX(0); }
.site-nav ul { display: flex; flex-direction: column; gap: var(--space-2); margin-bottom: var(--space-4); }
.site-nav a {
  display: flex; align-items: center; min-height: 44px;
  padding: 0 var(--space-3); border-radius: var(--radius-sm);
  text-decoration: none; font-weight: 500;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.site-nav a:hover { color: var(--color-primary); }
.site-nav a.active { background: var(--color-primary-soft); color: var(--color-primary); font-weight: 700; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 var(--space-4); border-radius: var(--radius-sm);
  border: 1px solid var(--color-border); text-decoration: none; font-weight: 600;
  transition: transform var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
}
.btn--cta { background: var(--color-primary); color: var(--color-primary-contrast); border-color: var(--color-primary); width: 100%; }
.btn--cta:hover { transform: translateY(-1px); opacity: 0.92; }
.btn--outline { background: transparent; }
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn--block { width: 100%; }

@media (min-width: 768px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static; inset: auto; transform: none; padding: 0;
    display: flex; align-items: center; gap: var(--space-5);
    background: transparent; overflow: visible;
  }
  .site-nav ul { flex-direction: row; margin-bottom: 0; }
  .btn--cta { width: auto; }
}

/* ==========================================================================
   CONTEÚDO PRINCIPAL — padrões reutilizáveis
   ========================================================================== */
main { display: block; }

.section { padding-block: var(--space-7); position: relative; }
.section--muted {
  background:
    radial-gradient(circle at 85% 20%, rgba(var(--color-primary-rgb), 0.05), transparent 55%),
    var(--color-surface);
}
.section-head { max-width: 640px; margin: 0 auto var(--space-6); text-align: center; position: relative; z-index: 1; }
.section-head p { color: var(--color-text-muted); }

.hero {
  padding-block: var(--space-8) var(--space-7);
  display: flex; flex-direction: column; gap: var(--space-5);
  position: relative; overflow: hidden;
}
.hero::before, .hero::after {
  content: ""; position: absolute; z-index: 0; border-radius: 50%;
  pointer-events: none; filter: blur(10px);
}
.hero::before {
  width: 420px; height: 420px; top: -180px; right: -120px;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.14), transparent 70%);
}
.hero::after {
  width: 320px; height: 320px; bottom: -160px; left: -100px;
  background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.08), transparent 70%);
}
.hero__content, .hero__actions { position: relative; z-index: 1; }
.hero__content { max-width: 640px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* Grade de cartões (imóveis, blog, turmas) */
.card-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 640px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }

.card {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden; display: flex; flex-direction: column; background: var(--color-bg);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.card__media { aspect-ratio: 4 / 3; background: var(--color-surface); position: relative; }
.card__badge {
  position: absolute; top: var(--space-2); left: var(--space-2);
  font-size: 0.75rem; font-weight: 700; padding: var(--space-1) var(--space-2);
  border-radius: 999px; background: var(--color-bg); border: 1px solid var(--color-border);
}
.card__badge--sold { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-contrast); }
.card__media-nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 28px; height: 28px;
  border-radius: 50%; border: none; background: rgba(0,0,0,.45); color: #fff;
  font-size: 18px; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition-fast), background var(--transition-fast);
}
.card__media:hover .card__media-nav { opacity: 1; }
.card__media-nav--prev { left: var(--space-2); }
.card__media-nav--next { right: var(--space-2); }
.card__media-nav:hover { background: var(--color-primary); }
.card__media-counter {
  position: absolute; bottom: var(--space-2); right: var(--space-2);
  font-size: 0.7rem; font-weight: 700; padding: 2px var(--space-2);
  border-radius: 999px; background: rgba(0,0,0,.55); color: #fff;
}
.card:hover {
  border-color: var(--color-primary); transform: translateY(-3px);
  box-shadow: 0 12px 24px -12px rgba(var(--color-primary-rgb), 0.35);
}
.card__body { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); flex: 1; }
.card__title { font-size: 1.05rem; margin: 0; }
.card__meta { color: var(--color-text-muted); font-size: 0.9rem; }
.card__price { font-weight: 700; font-size: 1.15rem; margin-top: auto; }
.card__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); font-size: 0.85rem; color: var(--color-text-muted); }

/* Filtros de busca */
.filtros { display: grid; gap: var(--space-3); grid-template-columns: 1fr; }
@media (min-width: 768px) { .filtros { grid-template-columns: repeat(4, 1fr); align-items: end; } }

/* Formulários */
.form-grid { display: grid; gap: var(--space-4); }
@media (min-width: 640px) { .form-grid--2col { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: var(--space-1); }
.field label { font-weight: 600; font-size: 0.9rem; }
.field input, .field select, .field textarea {
  min-height: 44px; padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-bg); color: var(--color-text);
  transition: border-color var(--transition-fast);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--color-primary);
}
.field textarea { min-height: 120px; }
.field small { color: var(--color-text-muted); font-size: 0.8rem; }
.upload-label {
  display: flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 64px; padding: var(--space-3) var(--space-4); text-align: center;
  border: 2px dashed var(--color-border); border-radius: var(--radius-sm);
  background: var(--color-bg); color: var(--color-text);
  cursor: pointer; font-weight: 700;
  transition: border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}
.upload-label:hover, .upload-label:focus-within {
  border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-soft);
}
.upload-label svg { flex-shrink: 0; }
.field input[type="file"] {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.upload-preview {
  display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-2);
}
.upload-preview:empty { display: none; }
.upload-preview__item {
  position: relative; width: 72px; height: 72px; border-radius: var(--radius-sm);
  overflow: hidden; border: 1px solid var(--color-border); flex-shrink: 0;
}
.upload-preview__item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.upload-preview__remove {
  position: absolute; top: 2px; right: 2px; width: 20px; height: 20px; line-height: 1;
  border-radius: 50%; border: none; background: rgba(0,0,0,.65); color: #fff;
  font-size: 14px; cursor: pointer; display: flex; align-items: center; justify-content: center;
}
.upload-preview__remove:hover { background: var(--color-primary); }
.field--checkbox { flex-direction: row; align-items: flex-start; gap: var(--space-2); }
.field--checkbox input { width: 20px; height: 20px; min-height: auto; flex-shrink: 0; margin-top: 2px; accent-color: var(--color-primary); }
.form-status { padding: var(--space-3); border-radius: var(--radius-sm); border: 1px solid var(--color-border); display: none; }
.form-status.is-visible { display: block; }

/* ==========================================================================
   RODAPÉ
   ========================================================================== */
.site-footer { border-top: 1px solid var(--color-border); background: var(--color-surface); margin-top: var(--space-8); }
.site-footer__grid { display: grid; gap: var(--space-5); padding-block: var(--space-6); grid-template-columns: 1fr; }
@media (min-width: 768px) { .site-footer__grid { grid-template-columns: repeat(4, 1fr); } }
.footer-col h3 { font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: var(--space-3); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { text-decoration: none; transition: color var(--transition-fast); }
.footer-col a:hover { color: var(--color-primary); }
.site-footer__bottom {
  display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: space-between;
  padding-block: var(--space-4); border-top: 1px solid var(--color-border);
  font-size: 0.85rem; color: var(--color-text-muted);
}
.site-footer__bottom a { text-decoration: underline; }
.site-footer__bottom a:hover { color: var(--color-primary); }

/* ==========================================================================
   ANIMAÇÕES DE SCROLL
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* Efeito cascata: itens de grade e ações do hero entram em sequência */
.card-grid .reveal:nth-child(2), .hero .reveal:nth-child(2) { transition-delay: 80ms; }
.card-grid .reveal:nth-child(3) { transition-delay: 160ms; }
.card-grid .reveal:nth-child(4) { transition-delay: 240ms; }
.card-grid .reveal:nth-child(5) { transition-delay: 320ms; }
.card-grid .reveal:nth-child(6) { transition-delay: 400ms; }

/* ==========================================================================
   PAINEL ADMINISTRATIVO
   ========================================================================== */
.admin-tabs {
  display: flex; gap: var(--space-2); flex-wrap: wrap;
  border-bottom: 1px solid var(--color-border); margin-bottom: var(--space-5);
}
.admin-tab {
  padding: var(--space-2) var(--space-4); font-weight: 600;
  color: var(--color-text-muted); border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.admin-tab.is-active { color: var(--color-primary); border-color: var(--color-primary); }
.admin-toolbar { margin-bottom: var(--space-4); }
.admin-form {
  display: grid; gap: var(--space-3); padding: var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  margin-bottom: var(--space-5); background: var(--color-bg);
}
.admin-list { display: flex; flex-direction: column; gap: var(--space-3); }
.admin-list-item {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3); padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  flex-wrap: wrap; background: var(--color-bg);
}
.admin-list-item__info strong { display: block; }
.admin-list-item__info span { color: var(--color-text-muted); font-size: 0.9rem; }
.admin-list-item__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.admin-list-item__actions .btn { min-height: 36px; padding: 0 var(--space-3); font-size: 0.85rem; }
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th, .admin-table td {
  text-align: left; padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-border); white-space: nowrap;
}
.admin-empty { color: var(--color-text-muted); padding: var(--space-4); text-align: center; }

/* Editor de texto rico (Blog) */
.rte-toolbar { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-bottom: var(--space-2); }
.rte-toolbar select {
  min-height: 36px; padding: 0 var(--space-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); background: var(--color-bg); color: var(--color-text);
}
.rte-btn {
  min-width: 36px; min-height: 36px; border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); background: var(--color-bg); color: var(--color-text);
}
.rte-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.rte-editor {
  min-height: 160px; padding: var(--space-3); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); background: var(--color-bg); color: var(--color-text);
  overflow-y: auto; line-height: 1.6;
}
.rte-editor:focus { outline: none; border-color: var(--color-primary); }

/* Utilitário genérico */
.text-center { text-align: center; }