/* ==========================================================================
   Monteiro Voz e Música — Design System
   Paleta vinda da fachada real: azul-marinho + dourado + branco.
   Elemento de assinatura: linhas de pauta musical (staff lines).
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,600;1,9..144,500&family=Work+Sans:wght@400;500;600&display=swap');

:root {
  /* Cores */
  --navy-deep: #0b1622;
  --navy: #10233a;
  --navy-mid: #1b3a5c;
  --gold: #c9a26a;
  --gold-soft: #e4cd9c;
  --cream: #f6f1e7;
  --ink: #171310;
  --ink-soft: #5a5248;

  /* Tipografia */
  --font-display: 'Fraunces', serif;
  --font-body: 'Work Sans', sans-serif;

  /* Espaçamento */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  --radius: 4px;
  --max-width: 1180px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* --------------------------------------------------------------------------
   Tipografia
   -------------------------------------------------------------------------- */

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--navy-deep);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: 1.3rem; }

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
}

p.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 42ch;
}

/* --------------------------------------------------------------------------
   Elemento de assinatura: pauta musical (staff lines)
   Usado como divisor decorativo entre seções — nasce do próprio
   universo da escola de música, não é ornamento genérico.
   -------------------------------------------------------------------------- */

.staff-lines {
  width: 100%;
  height: 44px;
  background-image: repeating-linear-gradient(
    to bottom,
    var(--gold) 0px,
    var(--gold) 1px,
    transparent 1px,
    transparent 10px
  );
  opacity: 0.5;
  margin: 0 auto;
  max-width: 220px;
}

.staff-lines--hero {
  max-width: 340px;
  height: 56px;
  opacity: 0.35;
}

/* --------------------------------------------------------------------------
   Header / Navegação
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy-deep);
  border-bottom: 1px solid rgba(201, 162, 106, 0.25);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--cream);
}

.logo span { color: var(--gold); }

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav-links a {
  color: var(--cream);
  font-size: 0.92rem;
  font-weight: 500;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.nav-links a:hover { opacity: 1; color: var(--gold-soft); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--cream);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--navy-deep);
    flex-direction: column;
    padding: var(--space-md);
    gap: var(--space-sm);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-toggle { display: block; }
}

/* --------------------------------------------------------------------------
   Botões
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.9rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background 0.2s ease, transform 0.15s ease, border-color 0.2s ease;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--gold);
  color: var(--navy-deep);
}
.btn-primary:hover { background: var(--gold-soft); }

.btn-outline {
  background: transparent;
  border-color: var(--gold);
  color: var(--cream);
}
.btn-outline:hover { background: rgba(201, 162, 106, 0.1); }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.hero {
  background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
  color: var(--cream);
  padding: var(--space-xl) 0 var(--space-lg);
  text-align: center;
}

.hero h1 { color: var(--cream); margin: var(--space-sm) 0; }

.hero p.lead {
  color: rgba(246, 241, 231, 0.75);
  margin: 0 auto var(--space-md);
  text-align: center;
}

.hero-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

/* --------------------------------------------------------------------------
   Seções gerais
   -------------------------------------------------------------------------- */

section { padding: var(--space-xl) 0; }

.section-head {
  text-align: center;
  max-width: 560px;
  margin: 0 auto var(--space-lg);
}

.section-head p.lead { margin: var(--space-xs) auto 0; text-align: center; }

/* --------------------------------------------------------------------------
   Sobre a escola
   -------------------------------------------------------------------------- */

.sobre-conteudo {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.sobre-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sobre-stat {
  border-left: 3px solid var(--gold);
  padding-left: var(--space-sm);
}

.sobre-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--navy-deep);
  line-height: 1;
}

.sobre-stat span {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.sobre-texto p {
  color: var(--ink-soft);
  margin-bottom: var(--space-sm);
  max-width: 62ch;
}

.sobre-texto p:last-child { margin-bottom: 0; }

@media (max-width: 768px) {
  .sobre-conteudo { grid-template-columns: 1fr; }
  .sobre-stats { flex-direction: row; }
}

/* --------------------------------------------------------------------------
   Grade de modalidades (instrumentos)
   -------------------------------------------------------------------------- */

.modalidades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
}

.modalidade-card {
  background: #fff;
  border: 1px solid rgba(11, 22, 34, 0.08);
  border-top: 3px solid var(--gold);
  padding: var(--space-md);
  border-radius: var(--radius);
}

.modalidade-card h3 { margin-bottom: var(--space-xs); }
.modalidade-card p { color: var(--ink-soft); font-size: 0.95rem; }

/* --------------------------------------------------------------------------
   Professores
   -------------------------------------------------------------------------- */

.professores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
}

.professor-card {
  background: #fff;
  border: 1px solid rgba(11, 22, 34, 0.08);
  border-top: 3px solid var(--gold);
  padding: var(--space-md);
  border-radius: var(--radius);
  text-align: center;
}

.professor-avatar {
  width: 88px;
  height: 88px;
  margin: 0 auto var(--space-sm);
  border-radius: 50%;
  display: block;
  object-fit: cover;
}

/* Placeholder para quando foto_url é null: iniciais do nome sobre o navy. */
.professor-avatar--iniciais {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--navy-deep);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.professor-card h3 { font-size: 1.1rem; margin-bottom: 0.2rem; }

.professor-instrumento {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: var(--space-xs);
}

.professor-bio {
  color: var(--ink-soft);
  font-size: 0.9rem;
  text-align: left;
}

.professor-bio-toggle {
  display: inline;
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gold);
  cursor: pointer;
  white-space: nowrap;
}

.professor-bio-toggle:hover,
.professor-bio-toggle:focus-visible {
  color: var(--navy-deep);
  text-decoration: underline;
}

.professores-vazio {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   Como funciona a aula experimental (processo real → numeração faz sentido)
   -------------------------------------------------------------------------- */

.passos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  counter-reset: passo;
}

.passo {
  text-align: center;
}

.passo::before {
  counter-increment: passo;
  content: counter(passo);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-sm);
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-family: var(--font-display);
  color: var(--gold);
  font-size: 1.1rem;
}

.passo h3 { font-size: 1.05rem; margin-bottom: var(--space-xs); }
.passo p { color: var(--ink-soft); font-size: 0.92rem; }

/* --------------------------------------------------------------------------
   CTA final
   -------------------------------------------------------------------------- */

.cta-final {
  background: var(--navy-deep);
  color: var(--cream);
  text-align: center;
}

.cta-final h2 { color: var(--cream); }
.cta-final p.lead { color: rgba(246, 241, 231, 0.75); margin: var(--space-xs) auto var(--space-md); }

/* --------------------------------------------------------------------------
   WhatsApp flutuante
   -------------------------------------------------------------------------- */

.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
  background: var(--gold);
  color: var(--navy-deep);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(11, 22, 34, 0.25);
  transition: transform 0.2s ease;
}

.whatsapp-float:hover { transform: scale(1.06); }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--navy-deep);
  color: rgba(246, 241, 231, 0.65);
  padding: var(--space-lg) 0 var(--space-md);
  font-size: 0.88rem;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.footer-grid h3 { color: var(--cream); font-size: 1rem; margin-bottom: var(--space-xs); }

.footer-bottom {
  border-top: 1px solid rgba(201, 162, 106, 0.2);
  padding-top: var(--space-sm);
  text-align: center;
}

/* --------------------------------------------------------------------------
   Foco visível (acessibilidade)
   -------------------------------------------------------------------------- */

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}