/* ==========================================================
   Colégio ECCOS — Header
   Paleta inspirada nos materiais do colégio (azul, turquesa,
   coral e amarelo), com layout e marca originais.
   ========================================================== */

:root {
  --azul-profundo: #0a2f6b;
  --azul: #0b4fae;
  --turquesa: #12a9b4;
  --turquesa-claro: #e3f6f7;
  --turquesa-escuro: #0a7a84; /* turquesa para texto (contraste AA) */
  --coral-botao: #d4402f;     /* coral dos botões (contraste AA com texto branco) */
  --coral: #ee5a4b;
  --sol: #f5b52a;
  --gelo: #f4f8fc;
  --tinta: #12284a;
  --linha: #dce6f1;
  --branco: #ffffff;

  --fonte-titulo: "Outfit", "Segoe UI", system-ui, sans-serif;
  --fonte-texto: "Nunito Sans", "Segoe UI", system-ui, sans-serif;

  --altura-barra: 40px;
  --altura-menu: 84px;
  --largura-max: 1240px;
  --raio: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--fonte-texto);
  color: var(--tinta);
  background: var(--branco);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
button { font: inherit; color: inherit; cursor: pointer; }

:focus-visible {
  outline: 3px solid var(--sol);
  outline-offset: 3px;
  border-radius: 6px;
}

.sr-only {
  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: 16px; top: -60px; z-index: 200;
  background: var(--sol); color: var(--azul-profundo);
  padding: 10px 18px; border-radius: 0 0 10px 10px; font-weight: 700;
  transition: top .2s;
}
.skip-link:focus { top: 0; }

.container {
  width: 100%;
  max-width: var(--largura-max);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ---------- Estrutura geral ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--branco);
}

/* ---------- Barra superior ---------- */
.topbar {
  background: var(--azul-profundo);
  color: #dbe7fa;
  font-size: 13.5px;
  height: var(--altura-barra);
}
.topbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.topbar__info,
.topbar__acoes {
  display: flex;
  align-items: center;
  gap: 22px;
}
.topbar a {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color .2s;
}
.topbar a:hover { color: var(--branco); }
.topbar svg { width: 15px; height: 15px; flex: none; }



/* Faixa das quatro cores do colégio */
.faixa {
  display: flex;
  height: 4px;
}
.faixa span { flex: 1; }
.faixa span:nth-child(1) { background: var(--azul); }
.faixa span:nth-child(2) { background: var(--turquesa); }
.faixa span:nth-child(3) { background: var(--sol); }
.faixa span:nth-child(4) { background: var(--coral); }

/* ---------- Menu principal ---------- */
.navbar {
  background: var(--branco);
  border-bottom: 1px solid var(--linha);
  transition: box-shadow .25s;
}
.site-header.rolou .navbar {
  box-shadow: 0 10px 30px -14px rgba(10, 47, 107, .35);
}
.navbar .container {
  height: var(--altura-menu);
  display: flex;
  align-items: center;
  gap: 32px;
  transition: height .25s;
}
.site-header.rolou .navbar .container { height: 70px; }

/* Marca */
.marca {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}
.marca__simbolo { display: block; width: 52px; height: 52px; flex: none; border-radius: 14px; object-fit: cover; transition: transform .3s; }
.marca:hover .marca__simbolo { transform: rotate(-4deg) scale(1.04); }
.marca__texto { display: flex; flex-direction: column; line-height: 1; }
.marca__nome {
  font-family: var(--fonte-titulo);
  font-weight: 800;
  font-size: 30px;
  letter-spacing: .5px;
  color: var(--azul);
}
.marca__sub {
  margin-top: 5px;
  font-size: 13px;
  font-weight: 700;
  color: var(--turquesa-escuro);
  letter-spacing: .4px;
}

/* Links */
.nav { margin-left: auto; }
.nav__lista { display: flex; align-items: center; gap: 4px; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  white-space: nowrap;
  font-family: var(--fonte-titulo);
  font-weight: 600;
  font-size: 16px;
  color: var(--azul-profundo);
  background: none;
  border: 0;
  border-radius: 10px;
  transition: color .2s, background .2s;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 3px;
  height: 3px;
  border-radius: 3px;
  background: var(--turquesa);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s;
}
.nav__link:hover { color: var(--azul); background: var(--gelo); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { transform: scaleX(1); }
.nav__link[aria-current="page"] { color: var(--azul); }

.nav__seta { width: 12px; height: 12px; transition: transform .25s; }
.tem-submenu.aberto > .nav__link .nav__seta { transform: rotate(180deg); }

/* Submenu — níveis de ensino */
.tem-submenu { position: relative; }

.submenu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  width: 640px;
  transform: translate(-50%, 8px);
  padding: 14px;
  background: var(--branco);
  border: 1px solid var(--linha);
  border-radius: 18px;
  box-shadow: 0 28px 60px -24px rgba(10, 47, 107, .45);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, transform .2s, visibility .2s;
}
/* "ponte" invisível para o mouse não perder o hover */
.submenu::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -14px; height: 14px;
}
.tem-submenu.aberto > .submenu,
.tem-submenu:hover > .submenu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.tem-submenu:hover > .nav__link .nav__seta { transform: rotate(180deg); }

.submenu a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: 12px;
  transition: background .2s;
}
.submenu a:hover { background: var(--gelo); }
.submenu__icone {
  flex: none;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border-radius: 12px;
  color: var(--branco);
}
.submenu__icone svg { width: 20px; height: 20px; }
.submenu__icone.c1 { background: var(--azul); }
.submenu__icone.c2 { background: var(--coral); }
.submenu__icone.c3 { background: var(--turquesa); }
.submenu__icone.c4 { background: var(--sol); color: var(--azul-profundo); }
.submenu strong {
  display: block;
  font-family: var(--fonte-titulo);
  font-size: 15px;
  font-weight: 600;
  color: var(--azul-profundo);
}
.submenu small { display: block; margin-top: 1px; font-size: 13px; color: #5b6f8c; }

/* Botão de ação */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  font-family: var(--fonte-titulo);
  font-weight: 700;
  font-size: 15.5px;
  border-radius: 999px;
  border: 2px solid transparent;
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn svg { width: 18px; height: 18px; }
.btn--principal {
  background: var(--coral-botao);
  color: var(--branco);
  box-shadow: 0 10px 22px -10px rgba(212, 64, 47, .8);
}
.btn--principal:hover { background: #bf3626; transform: translateY(-1px); }

.navbar__cta { flex: none; }

/* Botão hambúrguer */
.menu-toggle {
  display: none;
  margin-left: auto;
  width: 48px; height: 48px;
  border-radius: 12px;
  border: 2px solid var(--linha);
  background: var(--branco);
  place-items: center;
}
.menu-toggle__barras,
.menu-toggle__barras::before,
.menu-toggle__barras::after {
  display: block;
  width: 22px; height: 2.5px;
  border-radius: 2px;
  background: var(--azul-profundo);
  transition: transform .25s, background .25s;
}
.menu-toggle__barras { position: relative; }
.menu-toggle__barras::before,
.menu-toggle__barras::after { content: ""; position: absolute; left: 0; }
.menu-toggle__barras::before { top: -7px; }
.menu-toggle__barras::after  { top: 7px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__barras { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__barras::before { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__barras::after  { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Notebook pequeno: menu mais compacto ---------- */
@media (max-width: 1320px) {
  .navbar .container { gap: 20px; }
  .nav__link { padding-inline: 11px; font-size: 15px; }
  .nav__link::after { left: 11px; right: 11px; }
  .btn { padding: 12px 18px; font-size: 15px; }
}

/* ---------- Mobile: menu em gaveta ---------- */
@media (max-width: 1180px) {
  .topbar .topbar__endereco { display: none; }
  .topbar .container { justify-content: space-between; }

  .navbar .container { height: 72px; }
  .site-header.rolou .navbar .container { height: 64px; }

  .menu-toggle { display: grid; }
  .navbar__cta { display: none; }

  .nav {
    position: absolute;
    left: 0; right: 0;
    top: 100%;
    margin: 0;
    max-height: calc(100vh - var(--altura-barra) - 76px);
    max-height: calc(100dvh - var(--altura-barra) - 76px);
    overflow-y: auto;
    padding: 12px 24px 28px;
    background: var(--branco);
    border-bottom: 1px solid var(--linha);
    box-shadow: 0 30px 40px -30px rgba(10, 47, 107, .5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .2s, transform .2s, visibility .2s;
  }
  .nav.aberto { opacity: 1; visibility: visible; transform: none; }

  .nav__lista { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__lista > li { border-bottom: 1px solid var(--linha); }
  .nav__link {
    width: 100%;
    justify-content: space-between;
    padding: 16px 4px;
    font-size: 18px;
    border-radius: 0;
  }
  .nav__link:hover { background: none; }
  .nav__link::after { display: none; }
  .nav__link[aria-current="page"] { color: var(--turquesa-escuro); }

  .submenu {
    position: static;
    width: auto;
    transform: none;
    box-shadow: none;
    border: 0;
    padding: 0;
    grid-template-columns: 1fr;
    display: none;
    opacity: 1;
    visibility: visible;
  }
  .submenu::before { display: none; }
  .tem-submenu:hover > .submenu { transform: none; }
  .tem-submenu.aberto > .submenu { display: grid; transform: none; padding-bottom: 12px; }
  .tem-submenu:hover:not(.aberto) > .submenu { display: none; }
  .tem-submenu:hover:not(.aberto) > .nav__link .nav__seta { transform: none; }

  .nav__cta-mobile { display: block; padding-top: 22px; }
  .nav__cta-mobile .btn { width: 100%; }
}

@media (min-width: 1181px) {
  .nav__cta-mobile { display: none; }
}

@media (max-width: 480px) {
  .container { padding-inline: 18px; }
  .marca__simbolo { width: 44px; height: 44px; }
  .marca__nome { font-size: 26px; }
  .marca__sub { font-size: 11.5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}

/* Área só para visualizar a rolagem/sticky durante o desenvolvimento */
.placeholder-pagina {
  min-height: 160vh;
  display: grid;
  place-items: start center;
  padding: 80px 24px;
  background: linear-gradient(180deg, var(--gelo), var(--branco));
  color: #6a7f9d;
  font-family: var(--fonte-titulo);
  text-align: center;
}