/* ==========================================================================
   PAGES — camada 5 da arquitetura ITCSS
   Estilos específicos de página: hero, sobre, contato, legal, 404.
   ========================================================================== */

/* --- Hero (home) ------------------------------------------------------------ */
.hero {
  padding-block: var(--space-16) var(--space-12);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .hero { padding-block: var(--space-24) var(--space-20); }
}

.hero__inner {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero__inner { grid-template-columns: 1.1fr 0.9fr; }
}

.hero__title {
  margin-bottom: var(--space-5);
}

.hero__subtitle {
  color: var(--cream-muted);
  font-size: var(--text-h5);
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* Brilho dourado sutil atrás do mockup, sem blur pesado no card em si */
.hero__visual {
  position: relative;
}

.hero__visual::before {
  content: '';
  position: absolute;
  inset: 10% 15%;
  background: radial-gradient(closest-side,
    color-mix(in srgb, var(--gold) 16%, transparent),
    transparent);
  z-index: -1;
}

/* --- Prova rápida abaixo do hero (mini-destaques) ------------------------------ */
.hero__highlights {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

/* --- Demonstração de cifra (bloco decorativo na home/recursos) ------------------ */
.chord-demo {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  font-family: 'SF Mono', ui-monospace, Menlo, monospace;
  font-size: var(--text-small);
  line-height: 2.1;
  overflow-x: auto;
}

.chord-demo__chord {
  color: var(--gold);
  font-weight: 700;
  position: relative;
  top: -0.9em;
  margin-right: -0.6em;
  display: inline-block;
  width: 0;
  white-space: nowrap;
}

.chord-demo__section {
  display: block;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--text-tiny);
  margin-bottom: var(--space-2);
}

/* Controle de transposição ilustrativo (− TOM: Dm +) */
.transpose-demo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  background-color: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: var(--space-2) var(--space-5);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.transpose-demo__btn {
  color: var(--gold);
  font-size: var(--text-h4);
  line-height: 1;
}

.transpose-demo__key { color: var(--gold-soft); }

/* --- Página Sobre ------------------------------------------------------------------ */
.about__grid {
  display: grid;
  gap: var(--space-10);
}

@media (min-width: 1024px) {
  .about__grid { grid-template-columns: 1fr 1fr; }
}

.about__block h2,
.about__block h3 {
  margin-bottom: var(--space-4);
}

.about__block p {
  color: var(--cream-muted);
  margin-bottom: var(--space-4);
}

/* --- Páginas legais (privacidade / termos) --------------------------------------------- */
.legal {
  max-width: 760px;
}

.legal h1 { margin-bottom: var(--space-4); }

.legal h2 {
  font-size: var(--text-h4);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.legal p,
.legal li {
  color: var(--cream-muted);
  margin-bottom: var(--space-3);
}

.legal__updated {
  font-size: var(--text-small);
  color: var(--cream-muted);
  font-style: italic;
  margin-bottom: var(--space-8);
}

/* --- Página 404 ---------------------------------------------------------------------------- */
.error-page {
  min-height: 60dvh;
  display: grid;
  place-content: center;
  text-align: center;
  gap: var(--space-5);
  padding-block: var(--space-16);
}

.error-page__code {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 7rem);
  color: var(--gold);
  letter-spacing: 0.1em;
  line-height: 1;
}

.error-page p { margin-inline: auto; color: var(--cream-muted); }

.error-page .btn { justify-self: center; }

/* --- Faixa final de conversão (CTA) ---------------------------------------------------------- */
.cta-band {
  text-align: center;
  display: grid;
  justify-items: center;
  gap: var(--space-6);
}

.cta-band p {
  color: var(--cream-muted);
  font-size: var(--text-h5);
  margin-inline: auto;
}