/* CORES DO SITE — troque estes valores para mudar o tema. */
:root {
  --noite: #251052;
  --azul: #173f92;
  --ceu: #cfe4ff;
  --papel: #f7f9ff;
  --lilas: #a777d0;
  --amarelo: #ffe67c;
  --texto: #162b50;
  --branco: #ffffff;
  --sombra: rgba(18, 13, 53, .26);
}

* { box-sizing: border-box; }
html { min-height: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--texto);
  font-family: "Courier New", monospace;
}

a { color: inherit; }

/* Fundo compartilhado: luas pequenas, como no blog. */
.portal-page,
.home-page {
  background-color: var(--noite);
  background-image:
    radial-gradient(circle at 8px 8px, var(--amarelo) 0 6px, transparent 6.5px),
    radial-gradient(circle at 12px 5px, var(--noite) 0 6px, transparent 6.5px);
  background-size: 74px 74px;
}

/* PORTA DE ENTRADA */
.portal-page {
  display: grid;
  place-items: center;
  padding: 24px;
}

.portal {
  width: min(760px, 100%);
  text-align: center;
}

.portal-sky {
  margin-bottom: 18px;
  color: var(--amarelo);
  font-size: clamp(34px, 6vw, 52px);
  letter-spacing: .3em;
  text-shadow: 3px 3px 0 var(--azul);
}

.portal-card {
  padding: clamp(38px, 8vw, 76px) clamp(22px, 8vw, 72px);
  background: var(--ceu);
  border: 3px solid var(--branco);
  box-shadow: 10px 10px 0 var(--sombra);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--azul);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.portal h1 {
  margin: 0;
  font-size: clamp(28px, 6vw, 48px);
  line-height: 1.15;
}

.portal-copy {
  max-width: 520px;
  margin: 20px auto 32px;
  font-size: clamp(15px, 2.5vw, 19px);
  line-height: 1.7;
}

.enter-link {
  display: inline-block;
  padding: 13px 22px;
  color: var(--branco);
  font-weight: bold;
  text-decoration: none;
  background: var(--azul);
  border: 2px solid var(--azul);
  box-shadow: 5px 5px 0 var(--lilas);
  transition: transform .15s, box-shadow .15s;
}

.enter-link:hover,
.enter-link:focus-visible {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 var(--lilas);
}

.portal-note {
  margin: 24px 0 0;
  color: var(--branco);
  font-size: 12px;
}

/* PÁGINA PRINCIPAL */
.home-page { padding: 28px; }

.site-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  overflow: hidden;
  background: var(--ceu);
  border: 3px solid var(--branco);
  box-shadow: 10px 10px 0 var(--sombra);
}

.site-header {
  padding: 34px clamp(22px, 5vw, 54px) 30px;
  text-align: center;
  border-bottom: 2px solid rgba(23, 63, 146, .2);
}

.site-header .sky {
  color: var(--azul);
  font-size: 34px;
  letter-spacing: .22em;
}

.site-header h1 {
  margin: 8px 0 10px;
  font-size: clamp(27px, 5vw, 44px);
}

.site-header p { margin: 0; line-height: 1.6; }

.site-grid {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 22px;
  padding: 22px;
}

.side-card,
.main-card,
.little-card {
  background: var(--papel);
  border: 2px solid var(--branco);
  box-shadow: 5px 5px 0 rgba(23, 63, 146, .18);
}

.side-card { padding: 22px; }

.side-card h2,
.main-card h2,
.little-card h2 {
  margin: 0 0 17px;
  color: var(--azul);
  font-size: 18px;
}

.menu-group + .menu-group { margin-top: 24px; }

.menu-label {
  margin: 0 0 9px;
  color: #6d5290;
  font-size: 11px;
  font-weight: bold;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.site-menu { display: grid; gap: 8px; }

.site-menu a {
  padding: 9px 10px;
  text-decoration: none;
  border-left: 4px solid var(--amarelo);
  background: #e7f0ff;
}

.site-menu a:hover,
.site-menu a:focus-visible {
  color: var(--branco);
  background: var(--azul);
}

.content-column { display: grid; gap: 22px; }
.main-card { padding: clamp(24px, 5vw, 42px); }
.main-card p,
.little-card p { line-height: 1.75; }

.divider {
  margin: 26px 0;
  overflow: hidden;
  color: var(--lilas);
  font-size: 20px;
  letter-spacing: .35em;
  white-space: nowrap;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.quick-link {
  display: block;
  padding: 17px;
  text-decoration: none;
  background: var(--ceu);
  border-bottom: 4px solid var(--lilas);
}

.quick-link strong {
  display: block;
  margin-bottom: 6px;
  color: var(--azul);
}

.quick-link span { font-size: 12px; }
.quick-link:hover { background: #e5dafa; }

.little-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.little-card { padding: 24px; }
.little-card p:last-child { margin-bottom: 0; }

.site-footer {
  padding: 20px;
  text-align: center;
  font-size: 12px;
  border-top: 2px solid rgba(23, 63, 146, .2);
}

@media (max-width: 720px) {
  .home-page { padding: 14px; }
  .site-grid { grid-template-columns: 1fr; }
  .quick-links,
  .little-cards { grid-template-columns: 1fr; }
  .site-menu { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 430px) {
  .portal-page { padding: 14px; }
  .site-menu { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .enter-link { transition: none; }
}