/*
  COMPONENTES — Site Ilha Sites
  Um bloco por componente do design.md (item 4). Reutilizado nas 6
  páginas — nada específico de uma página só entra aqui (isso vai para
  pages.css).
*/

/* ============ 4.5 Cabeçalho ============ */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}
@media (min-width: 1024px) {
  .site-header { height: 72px; }
}
.site-header--rolado {
  background: var(--color-surface);
  border-bottom-color: var(--color-border);
}
.site-header__bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.site-header__logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
}
.site-header__logo span { color: var(--color-accent); }

.site-header__nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .site-header__nav { display: flex; }
}
.site-header__nav a {
  font-size: var(--fs-small);
  color: var(--color-text);
  padding-block: var(--space-2);
  border-bottom: 2px solid transparent;
}
.site-header__nav a:hover,
.site-header__nav a[aria-current="page"] {
  border-bottom-color: var(--color-accent);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.site-header__actions .btn { display: none; }
@media (min-width: 480px) {
  .site-header__actions .btn { display: inline-flex; }
}

/* Botão do menu mobile (hambúrguer) */
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: 8px;
  color: var(--color-text);
}
@media (min-width: 768px) {
  .menu-toggle { display: none; }
}
.menu-toggle svg { width: 20px; height: 20px; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="false"] .icon-close { display: none; }

/* Painel do menu mobile — desliza do topo (design.md 4.5) */
.menu-mobile {
  position: fixed;
  inset-inline: 0;
  top: 64px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-5) var(--gutter) var(--space-6);
  transform: translateY(-110%);
  transition: transform 0.2s ease;
  z-index: 90;
}
.menu-mobile--aberto { transform: translateY(0); }
.menu-mobile ul { display: flex; flex-direction: column; gap: var(--space-4); }
.menu-mobile a { font-size: 1.0625rem; }
.menu-mobile .btn { margin-top: var(--space-4); width: 100%; }
@media (min-width: 768px) {
  .menu-mobile { display: none; }
}

/* ============ 4.6 Rodapé ============ */
.site-footer {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-8);
}
.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 480px) {
  .site-footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .site-footer__grid { grid-template-columns: repeat(4, 1fr); }
}
.site-footer h3 {
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.site-footer a:hover { color: var(--color-accent); }
.site-footer ul { display: flex; flex-direction: column; gap: var(--space-2); }
.site-footer__bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: space-between;
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

/* ============ 4.2 Botão ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--fs-small);
  border: 1px solid transparent;
  transition: transform 0.1s ease, filter 0.15s ease, background-color 0.15s ease;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-cta-label); /* regra obrigatória: rótulo escuro em botão de acento */
}
.btn--primary:hover { filter: brightness(1.08); }
.btn--primary:active { transform: translateY(1px); }

.btn--ghost {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn--ghost:hover { background: rgba(34, 211, 238, 0.12); }

.btn--link {
  background: none;
  border: none;
  padding: 0;
  min-height: auto;
  color: var(--color-accent);
  border-radius: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.btn--link:hover { color: var(--color-accent-2); }

.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ============ 4.1 Cartão de plano ============ */
.plano-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
@media (min-width: 1024px) {
  .plano-card { padding: var(--space-6); }
}
.plano-card:hover,
.plano-card:focus-within {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px -16px rgba(34, 211, 238, 0.35);
}
.plano-card--destaque {
  border-color: var(--color-accent);
}
.plano-card__selo {
  position: absolute;
  top: -12px;
  left: var(--space-4);
  background: var(--color-accent);
  color: var(--color-cta-label);
  font-size: var(--fs-small);
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
}
.plano-card__nome {
  font-family: var(--font-heading);
  font-size: 1.25rem;
}
.plano-card__preco {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  color: var(--color-silver);
}
.plano-card__preco small { font-size: var(--fs-small); color: var(--color-text-muted); font-weight: 400; }
.plano-card hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}
.plano-card__lista { display: flex; flex-direction: column; gap: var(--space-2); }
.plano-card__lista li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--fs-small);
}
.plano-card__lista svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-accent);
  margin-top: 2px;
}
.plano-card__meta {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

/* ============ 4.4 Acordeão de FAQ ============ */
.faq__item {
  border-bottom: 1px solid var(--color-border);
}
.faq__pergunta {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-4);
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  color: var(--color-text);
}
.faq__pergunta:hover { color: var(--color-accent); }
.faq__pergunta svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease;
}
.faq__pergunta[aria-expanded="true"] svg { transform: rotate(180deg); }

.faq__resposta {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease;
  color: var(--color-text-muted);
}
.faq__resposta p { padding-bottom: var(--space-4); }
.faq__item[data-aberto="true"] .faq__resposta { max-height: 400px; }

/* ============ 4.3 Banner de consentimento de cookies ============ */
.cookie-banner {
  position: fixed;
  inset-inline: var(--space-4);
  bottom: var(--space-4);
  z-index: 200;
  max-width: 480px;
  margin-inline: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card);
  padding: var(--space-5);
  box-shadow: 0 20px 48px -12px rgba(0, 0, 0, 0.6);
  transform: translateY(140%);
  transition: transform 0.25s ease;
}
.cookie-banner--visivel { transform: translateY(0); }
@media (min-width: 768px) {
  .cookie-banner { inset-inline: auto; left: var(--space-6); right: auto; }
}
.cookie-banner p { font-size: var(--fs-small); color: var(--color-text-muted); margin-bottom: var(--space-4); }
.cookie-banner__acoes { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }

.cookie-banner__painel {
  display: none;
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  flex-direction: column;
  gap: var(--space-3);
}
.cookie-banner__painel--aberto { display: flex; }
.cookie-banner__categoria {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--fs-small);
}
.cookie-banner__categoria input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--color-accent); }