/**
 * Bridge3 — Header e Footer globais.
 */

/* ============ HEADER (cartão flutuante, cantos 24px) ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding-top: var(--space-6);
  padding-bottom: var(--space-4);
}
/* No topo da home, o header sobrepõe o hero e acompanha a rolagem (flutuante). */
.site-header--overlay { position: fixed; inset: 0 0 auto 0; }
/* Evita que a pílula fixa cubra a admin bar do WP para usuários logados. */
body.admin-bar .site-header--overlay { top: 32px; }
@media (max-width: 782px) { body.admin-bar .site-header--overlay { top: 46px; } }

.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 64px;
  padding: 0.5rem 0.75rem;
  background: #fefefe;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  transition: background var(--t), backdrop-filter var(--t);
}
/* Ao rolar a página, o cartão ganha uma transparência sutil + leve blur. */
.site-header.is-scrolled .site-header__inner {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
}

.site-branding { flex-shrink: 0; display: flex; align-items: center; }
.site-branding img { max-height: 40px; width: auto; }
.site-logo-link { display: inline-flex; align-items: center; }
.site-logo-img { height: 48px; width: auto; max-height: 48px; }
.site-logo { display: inline-flex; align-items: center; gap: 0.45rem; text-decoration: none; }
.site-logo__mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  border: 2px solid var(--c-teal); border-radius: var(--radius-pill);
  color: var(--c-navy); font-weight: var(--fw-bold); font-size: 1rem;
  box-shadow: 0 0 0 3px rgba(48,124,120,0.18);
}
.site-logo__word { font-weight: var(--fw-bold); font-size: var(--step-1); color: var(--c-navy); letter-spacing: 0.18em; }
.site-logo__num { color: var(--c-teal); }

.primary-nav ul { list-style: none; display: flex; align-items: center; gap: 8px; margin: 0; padding: 0; }
.primary-nav a { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; color: var(--Azul-500); text-decoration: none; font-weight: var(--fw-medium); font-size: 16px; padding: 8px; border-radius: 16px; transition: color var(--t); }
.primary-nav a:hover, .primary-nav .current-menu-item > a { color: var(--c-teal); }

/* Dropdown para itens de menu com filhos (ex.: "Quem somos"). Genérico: qualquer
   item com submenu no wp-admin ganha esse comportamento automaticamente. */
.menu-item-has-children { position: relative; display: flex; align-items: center; }

.submenu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; border: 0; padding: 0.25rem; margin: 0;
  color: inherit; cursor: pointer; line-height: 0;
}
.submenu-toggle svg { width: 18px; height: 18px; transition: transform var(--t); }
.menu-item-has-children:hover .submenu-toggle svg,
.menu-item-has-children:focus-within .submenu-toggle svg,
.menu-item-has-children.is-open .submenu-toggle svg { transform: rotate(180deg); }

.sub-menu {
  list-style: none; margin: 0;
  width: max-content; min-width: 140px;
  padding: 16px 18px;
  position: absolute; top: calc(100% + 0.5rem); left: 0; z-index: 10;
  display: flex; flex-direction: column; align-items: stretch; gap: 8px;
  background: var(--c-surface); border-radius: 18px; box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity var(--t), transform var(--t), visibility var(--t);
}
.menu-item-has-children:hover .sub-menu,
.menu-item-has-children:focus-within .sub-menu,
.menu-item-has-children.is-open .sub-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.sub-menu a {
  display: block; padding: 0.2rem 0.3rem; border-radius: var(--radius-sm);
  color: var(--Azul-500); border-bottom: 0;
  font-family: var(--font-sans); font-weight: var(--fw-regular);
  font-size: 14px; line-height: 24px; letter-spacing: -0.31px;
}
.sub-menu a:hover, .sub-menu .current-menu-item > a { color: var(--Azul-500); font-weight: var(--fw-medium); }

.header-actions { display: flex; align-items: center; gap: var(--space-4); flex-shrink: 0; }
.btn--student-label { padding: 0.85em 1.25em; font-size: var(--step-0); }
.header-cart { position: relative; color: var(--c-navy); display: inline-flex; }
.header-cart svg { width: 28px; height: 28px; }
.header-cart .cart-count {
  position: absolute; top: -8px; right: -10px;
  background: var(--c-accent); color: #fff;
  font-size: 0.7rem; font-weight: var(--fw-bold);
  min-width: 18px; height: 18px; padding: 0 4px;
  border-radius: var(--radius-pill);
  display: grid; place-items: center;
}

/* Botão hambúrguer (mobile) */
.nav-toggle {
  display: none;
  background: transparent; border: 0;
  padding: 0.5rem; margin-inline-start: auto;
  color: var(--c-navy);
}
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; margin-inline-start: auto; order: 2; }
  .header-actions { order: 3; }
  .primary-nav {
    position: absolute;
    inset: calc(100% + 0.5rem) 0 auto 0;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    margin: 0;
    padding: var(--space-3) var(--space-5);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--t), opacity var(--t), visibility var(--t);
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }
  .primary-nav[data-open="true"] { transform: translateY(0); opacity: 1; visibility: visible; }
  .primary-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .primary-nav li:not(:last-child) { border-bottom: 1px solid var(--c-line); }
  .primary-nav a { display: flex; padding: 0.9rem 0.2rem; border-bottom: 0; }
  .header-actions .btn--student-label { display: none; }

  /* No mobile, o submenu vira acordeon inline em vez de cartão flutuante.
     Grid: link + seta na mesma linha; .sub-menu ocupa a linha de baixo. */
  .menu-item-has-children {
    position: static;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
  }
  .submenu-toggle {
    flex-shrink: 0;
    padding: 0.9rem 0.5rem;
  }
  .sub-menu {
    grid-column: 1 / -1;
    position: static; margin: 0; padding: 0; width: auto; height: auto; gap: 0;
    background: transparent; box-shadow: none; transform: none; opacity: 1;
    max-height: 0; overflow: hidden; visibility: hidden;
    transition: max-height var(--t), visibility var(--t);
  }
  .menu-item-has-children.is-open .sub-menu {
    max-height: 400px; visibility: visible; padding: 0 0 0.5rem 1rem;
  }
  .sub-menu a { padding: 0.6rem 0.2rem; }
}

/* ============ FOOTER ============ */
.site-footer { position: relative; isolation: isolate; background: linear-gradient(99.88deg, var(--c-navy) 0%, var(--c-teal) 100%); color: var(--c-on-dark); padding-block: var(--space-8) var(--space-6); }
.site-footer::before { content: ""; position: absolute; inset: 0; z-index: -1; background-image: url("../img/textura.webp"); background-size: cover; background-position: center; mix-blend-mode: soft-light; opacity: 0.35; pointer-events: none; }
.site-footer a { color: var(--branco-100, #fefefe); text-decoration: underline; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(4, 1fr);
  gap: 32px;
}
.footer-brand { display: flex; flex-direction: column; width: 266px; gap: 48px; }
.footer-brand img { max-width: 266px; height: auto; }
.footer-brand p { color: var(--c-on-dark-muted); max-width: 28ch; }
.footer-social-group { display: flex; flex-direction: column; gap: 16px; }
.footer-social-label { font-size: 18px; font-weight: 600; color: #fff; }
.footer-social { display: flex; gap: 16px; }
.footer-social a { display: grid; place-items: center; width: 40px; height: 40px; background: var(--Ciano-500, #52C7C1); color: var(--c-navy); border-radius: var(--radius-pill); text-decoration: none; }
.footer-social a:hover { background: #fff; color: var(--c-teal); }
.footer-col h2 { font-size: 18px; font-weight: 600; color: var(--Ciano-500, #52C7C1); margin-bottom: 24px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 24px; }
.footer-col a, .footer-col span { font-size: 16px; line-height: 22px; text-decoration: underline; color: var(--branco-100, #fefefe); }
.footer-col span { color: var(--c-on-dark-muted); text-decoration: none; }
.footer-bottom { margin-top: var(--space-7); padding-top: var(--space-5); border-top: 1px solid rgba(255,255,255,0.15); font-size: 14px; color: var(--branco-100, #fefefe); text-align: center; display: grid; gap: 24px; }
.footer-bottom p { margin: 0; font-weight: 600; line-height: 20px; }
.footer-credit { font-size: 12px; font-weight: 400 !important; }
.footer-credit a { color: inherit; }

@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand {
    width: 100%;
    align-items: center;
  }
  .footer-brand img { margin-inline: auto; }
  .footer-brand p { max-width: none; }
  .footer-social-group { align-items: center; }
  .footer-social { justify-content: center; }
  .footer-col h2,
  .footer-col ul { text-align: center; }
}

/* ============ WHATSAPP (botão flutuante global) ============ */
.wa-float {
  position: fixed;
  right: clamp(1rem, 0.5rem + 2vw, 2rem);
  bottom: clamp(1rem, 0.5rem + 2vw, 2rem);
  z-index: 90; /* abaixo do header (100) p/ não cobrir o menu mobile aberto */
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-pill);
  background: #25d366;
  color: #fff;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
  transition:
    transform var(--t-fast),
    box-shadow var(--t),
    background var(--t);
}
.wa-float:hover {
  background: #1ebe57;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}
.wa-float:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}
.wa-float__icon {
  width: 30px;
  height: 30px;
}
@media (prefers-reduced-motion: reduce) {
  .wa-float {
    transition: none;
  }
  .wa-float:hover {
    transform: none;
  }
}