/* ==========================================================================
   MUSICANDO — Design tokens (ver design-musicando.json)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900&display=swap');

:root {
  /* Cores */
  --gold: #FFC107;
  --gold-hover: #E6AC00;
  --black: #111111;
  --graphite: #333333;
  --off-white: #F5F5F5;
  --white: #FFFFFF;

  /* Tipografia */
  --font: 'Montserrat', sans-serif;

  /* Espaçamento */
  --space-unit: 8px;
  --section-pad-desktop: 112px;
  --section-pad-mobile: 64px;

  /* Forma */
  --radius: 10px;
  --shadow-card: 0 12px 30px rgba(17, 17, 17, 0.08);

  /* Motion */
  --ease: cubic-bezier(.2, .7, .3, 1);
  --dur: .5s;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--graphite);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { font-weight: 800; color: var(--black); margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; font-weight: 800; }
h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; }
h3 { font-size: 20px; font-weight: 700; }
p { margin: 0; }
.eyebrow-none { display: none; } /* propositalmente não usamos rótulos em maiúsculas decorativos */

.section {
  padding: var(--section-pad-mobile) 0;
}
@media (min-width: 900px) {
  .section { padding: var(--section-pad-desktop) 0; }
}
.section--light { background: var(--white); }
.section--tint  { background: var(--off-white); }
.section--dark  { background: var(--black); color: var(--off-white); }
.section--dark h2, .section--dark h3 { color: var(--white); }
.section--dark forte { background: #000000; }
.section--dark suave { background: #1a1a1a; }
.section--carvao { background: #4A4A4A; }
.section--marrom escuro { background: #654321; }
.section--perola { background: #EAE0C8; }

.section-head {
  max-width: 640px;
  margin-bottom: 48px;
}
.section-head p {
  margin-top: 14px;
  font-size: 17px;
  color: var(--graphite);
}
.section--dark .section-head p { color: #C9C9C9; }

/* ---------- Botões ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 15px;
  padding: 15px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), transform .2s var(--ease), border-color .2s;
}
.btn-primary {
  background: var(--gold);
  color: var(--black);
}
.btn-primary:hover { background: var(--gold-hover); transform: translateY(-1px); }

.btn-outline-dark {
  background: transparent;
  border: 1.5px solid var(--black);
  color: var(--black);
}
.btn-outline-dark:hover { background: var(--black); color: var(--white); }

.btn-outline-light {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.5);
  color: var(--white);
}
.btn-outline-light:hover { background: var(--white); color: var(--black); border-color: var(--white); }

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: background var(--dur) var(--ease), padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.header.is-scrolled {
  background: var(--white);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,.06);
}

.header--solid {
  background: var(--white);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0, 0, 0, .06);
}

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

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.unit-card-photo {
  overflow: hidden;
}

.unit-card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.header.is-scrolled .logo img,
.header--solid .logo img {
  filter: brightness(0) saturate(100%);
}

.nav-links {
  display: none;
  gap: 32px;
  align-items: center;
  list-style: none;
  margin: 0; padding: 0;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  transition: color var(--dur) var(--ease), opacity .2s;
  opacity: .9;
}
.nav-links a:hover { opacity: 1; color: var(--gold); }
.header.is-scrolled .nav-links a,
.header--solid .nav-links a { color: var(--graphite); }
.header.is-scrolled .nav-links a:hover,
.header--solid .nav-links a:hover { color: var(--black); }

.nav-cta { display: none; }

.unit-pill {
  display: none;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--graphite);
  background: var(--off-white);
  border-radius: 999px;
  padding: 6px 14px;
}
.unit-pill a { color: var(--black); text-decoration: underline; text-underline-offset: 2px; }

.menu-toggle {
  display: inline-flex;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--white);
}
.header.is-scrolled .menu-toggle,
.header--solid .menu-toggle { color: var(--black); }

@media (min-width: 980px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .unit-pill { display: inline-flex; }
}

/* Menu mobile */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 200;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 32px;
  gap: 28px;
  transform: translateX(100%);
  transition: transform .4s var(--ease);
}
.mobile-menu.is-open { transform: translateX(0); }
.mobile-menu a { color: var(--white); font-size: 26px; font-weight: 600; }
.mobile-menu .btn { margin-top: 12px; }
.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  cursor: pointer;
  z-index: 201;
}

.mobile-menu-close svg {
  width: 24px;
  height: 24px;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  padding-top: 100px;
}

/* Vídeo institucional em background — troque o src no <video> do HTML */
.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-width: 100%;
  min-height: 100%;
  z-index: 0;
  object-fit: cover;
}

/* Camada escura sobre o vídeo, para o texto branco continuar legível */
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(17,17,17,.75) 0%, rgba(17,17,17,.55) 45%, rgba(17,17,17,.85) 100%);
}

.hero-grid {
  position: relative;
  z-index: 3;
  width: 100%;
}
.hero h1 {
  color: var(--white);
  max-width: 620px;
  font-size: clamp(40px, 6.5vw, 64px);
}
.hero h1 .highlight { color: var(--gold); }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  margin-bottom: 20px;
}
.hero-eyebrow .eyebrow-line {
  width: 22px;
  height: 1px;
  background: var(--gold);
}
.hero .hero-sub {
  margin-top: 20px;
  font-size: 18px;
  color: #D8D8D8;
  max-width: 480px;
}
.hero-actions { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }

/* motivo estrutural: onda sonora — elemento característico do universo da marca,
   substitui o hero genérico de gradiente/estatística */
.waveform {
  display: none; /* ondas desativadas */
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: .18;
  pointer-events: none;
}
.waveform svg { width: 100%; height: 100%; }
.waveform rect {
  fill: var(--gold);
  opacity: .55;
  transform-origin: bottom;
  animation: wave 2.4s ease-in-out infinite;
}
@keyframes wave {
  0%, 100% { transform: scaleY(.35); }
  50% { transform: scaleY(1); }
}

/* .video-frame não é mais usado no Hero (vídeo agora é o fundo da seção via .hero-video),
   mantido aqui caso queira reaproveitar o "card com play" em outra seção */
.video-frame {
  position: relative;
  z-index: 2;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, #1c1c1c, #050505);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.08);
}
.video-frame .play-btn {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: var(--gold);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: transform .3s var(--ease);
}
.video-frame .play-btn:hover { transform: scale(1.08); }
.video-frame .video-caption {
  position: absolute;
  bottom: 20px; left: 20px; right: 20px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}

.scroll-cue {
  position: absolute;
  bottom: 28px; left: 24px;
  z-index: 2;
  font-size: 13px;
  color: rgba(255,255,255,.55);
  display: flex; align-items: center; gap: 8px;
}
.scroll-cue .line { width: 1px; height: 26px; background: rgba(255,255,255,.35); position: relative; overflow: hidden; }
.scroll-cue .line::after {
  content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 100%;
  background: var(--gold); animation: scrollcue 2s ease-in-out infinite;
}
@keyframes scrollcue { 50% { top: 100%; } 100% { top: 100%; } }

/* ---------- Escolha da unidade ---------- */
.unit-cards {
  display: grid;
  gap: 24px;
}
@media (min-width: 760px) {
  .unit-cards { grid-template-columns: 1fr 1fr; }
}
.unit-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}
.unit-card-photo {
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #2b2b2b, #111111);
  position: relative;
}
.unit-card-photo .ph-label {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.35);
  font-size: 13px;
  text-align: center;
  padding: 20px;
}
.unit-card-body { padding: 28px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.unit-card-address { font-size: 14px; color: var(--graphite); display: flex; gap: 8px; align-items: flex-start; }
.unit-card-address svg { flex-shrink: 0; margin-top: 2px; }
.unit-card .btn { margin-top: auto; align-self: flex-start; }

/* ---------- Grids genéricos ---------- */
.grid {
  display: grid;
  gap: 20px;
}
.grid-courses { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .grid-courses { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 980px) { .grid-courses { grid-template-columns: repeat(5, 1fr); } }

.course-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow-card);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.course-card:hover {
  transform: translateY(-8px) scale(1.04);
  box-shadow: 0 20px 40px rgba(255, 193, 7, 0.35);
}

.course-card .course-photo img {
  transition: transform .4s var(--ease);
}

.course-card:hover .course-photo img {
  transform: scale(1.08);
}

.course-photo {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #FFC107 0%, #F5F5F5 140%);
  display: flex; align-items: center; justify-content: center;
  color: rgba(17,17,17,.35);
}
.course-card h3 { padding: 16px 16px 4px; font-size: 16px; }
.course-card a.course-link { display: block; padding: 0 16px 16px; font-size: 13px; color: var(--graphite); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Contato / Consultoria ---------- */
.contact-grid {
  display: grid;
  gap: 48px;
}
@media (min-width: 900px) {
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: center; }
}
.contact-info { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.contact-info li { display: flex; gap: 12px; font-size: 15px; color: #D8D8D8; }
.contact-info svg { flex-shrink: 0; color: var(--gold); margin-top: 2px; }
.map-frame {
  aspect-ratio: 4/3;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #1a1a1a, #050505);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.3);
  font-size: 13px;
}

/* ---------- Alunos / Tabs ---------- */
.tabs-nav { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.tab-btn {
  font-family: var(--font);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1.5px solid #E4E2DA;
  background: var(--white);
  color: var(--graphite);
  cursor: pointer;
  transition: all .25s var(--ease);
}

.tab-btn.is-active { background: var(--gold); color: var(--black); border-color: var(--black); }
.tab-panel { display: none; }
.tab-panel.is-active { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 720px) { .tab-panel.is-active { grid-template-columns: repeat(3, 1fr); align-items: start; } }

.testimonial-card {
  border-radius: var(--radius);
  background: var(--gold);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-photo {
  aspect-ratio: 4/3;
  border-radius: calc(var(--radius) - 2px);
  background: linear-gradient(135deg, #ddd, #bbb);
}

.testimonial-photo.tem-video {
  aspect-ratio: 9/16;
  overflow: hidden;
  display: flex;
  justify-content: center;
}

.testimonial-photo.tem-video iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.testimonial-quote { font-size: 15px; color: var(--graphite); }
.testimonial-name { font-size: 13px; font-weight: 600; color: var(--black); }

/* ---------- Depoimentos / Eventos em vídeo (YouTube) ---------- */

.testimonial-video {
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
  background: #000;
}

.testimonial-video.formato-horizontal {
  aspect-ratio: 16/9;
}

.testimonial-video.formato-vertical {
  aspect-ratio: 9/16;
  max-width: 280px;
  margin: 0 auto;
}

.testimonial-video iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ---------- A Musicando / Stats ---------- */

.about-grid {
  display: grid;
  gap: 40px;
}
@media (min-width: 900px) { .about-grid { grid-template-columns: 1fr 1fr; } }
.about-text p { color: #D8D8D8; font-size: 16px; margin-top: 6px; }
.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 32px;
}
@media (min-width: 640px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat-number { font-size: 35px; font-weight: 700; color: var(--gold); }
.stat-label { font-size: 13px; color: #C9C9C9; margin-top: 4px; }

/* ---------- FAQ ---------- */
.faq { max-width: 760px; }
.faq-item {
  border-bottom: 1px solid #E4E2DA;
  padding: 20px 0;
}
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: var(--black);
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { transition: transform .3s var(--ease); flex-shrink: 0; margin-left: 16px; }
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item p { margin-top: 14px; font-size: 15px; color: var(--graphite); }

/* ---------- CTA final ---------- */
.cta-final { text-align: left; }
.cta-final h2 { max-width: 560px; }
.cta-final .btn {
  margin-top: 28px;
  justify-content: center;
}

/* ---------- Footer ---------- */
.footer { background: var(--gold); color: #000000; padding: 64px 0 32px; }
.footer-grid { display: grid; gap: 40px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.footer h3 { color: var(--white); font-size: 15px; margin-bottom: 16px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; }
.footer ul a:hover { color: #FFFFFF; }
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between;
  font-size: 13px;
}

/* ---------- WhatsApp flutuante ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 22px; right: 22px;
  z-index: 90;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #1FAF52;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 24px rgba(0,0,0,.25);
  transition: transform .25s var(--ease);
}
.whatsapp-float:hover { transform: scale(1.06); }

/* ---------- Reveal on scroll (sutil, conforme brief) ---------- */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Skip link / acessibilidade ---------- */
.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--gold); color: var(--black); padding: 12px 20px; z-index: 200;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus { left: 0; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--gold); outline-offset: 2px;
}

.map-frame {
  padding: 0;
  overflow: hidden;
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* ---------- Botão outline dourado (versão alternativa) ---------- */

.btn-outline-gold {
  background: transparent;
  border: 1.5px solid var(--gold);
  color: var(--gold);
}

.btn-outline-gold:hover {
  background: var(--gold);
  color: var(--black);
}

@media (max-width: 640px) {
  #cursos {
    padding-top: 140px;
  }
}

/* ---------- Galeria estilo masonry ---------- */

.gallery-simples {
  column-count: 2;
  column-gap: 14px;
}

.foto-item {
  border-radius: var(--radius);
  border: 2px solid var(--gold);
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(17,17,17,.28);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
  break-inside: avoid;
  margin-bottom: 14px;
  display: inline-block;
  width: 100%;
}

.foto-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 44px rgba(17,17,17,.4);
}

.foto-item img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

@media (min-width: 900px) {
  .gallery-simples {
    column-count: 3;
  }
}

/* ---------- Lightbox automático ---------- */

.foto-lightbox {
  cursor: zoom-in;
}

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(17,17,17,.92);
  align-items: center;
  justify-content: center;
  padding: 32px;
  cursor: zoom-out;
}

.lightbox-overlay.is-open {
  display: flex;
}

.lightbox-overlay img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(0,0,0,.4);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  color: #FFFFFF;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 301;
}

.lightbox-close:hover {
  background: rgba(255,255,255,.25);
}

/* ---------- Hero em 2 colunas (texto + vídeo institucional) ---------- */

@media (min-width: 980px) {
  .hero-grid-2col {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
  }
}

.hero-grid-2col .video-frame {
  position: relative;
  z-index: 2;
  aspect-ratio: 16/9;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: 0 24px 60px rgba(0,0,0,.4);
}

@media (max-width: 979px) {
  .hero-grid-2col .video-frame {
    margin: 24px 24px 30px 0;
    width: calc(100% - 48px);
  }
}

.hero-grid-2col .video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

@media (min-width: 900px) {
  .titulo-linha-unica {
    white-space: nowrap;
    max-width: none;
  }
}