/* =====================================================================
   MUSIDOM — Portal institucional
   ===================================================================== */

/* ============ CABEÇALHO ============ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-header);
  height: var(--header-h);
  /* grid (e não flex) para que o .container do filho continue valendo:
     como flex item ele precisaria de width própria, que sobrescrevia a do
     container e colava o cabeçalho nas bordas da janela. */
  display: grid; align-items: center;
  transition: background var(--t-base) var(--ease-out),
              backdrop-filter var(--t-base),
              box-shadow var(--t-base), height var(--t-base),
              border-color var(--t-base);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  height: 64px;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
}
.site-header.is-hidden { transform: translateY(-100%); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--s-6); }

/* A identidade da marca (.brand*) vive em components.css: o painel, o portal
   do aluno e a tela de login usam o mesmo bloco e não carregam esta folha. */

.nav { display: flex; align-items: center; gap: .15rem; }
.nav__link {
  position: relative; padding: .55rem .9rem;
  font-size: var(--fs-sm); font-weight: 550; color: var(--text-soft);
  border-radius: var(--r-full);
  transition: color var(--t-fast) var(--ease-out), background var(--t-fast) var(--ease-out);
}
.nav__link::after {
  content: ''; position: absolute; left: 50%; bottom: .32rem;
  width: 0; height: 2px; border-radius: 2px; background: var(--lime-500);
  transform: translateX(-50%);
  transition: width var(--t-base) var(--ease-out);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after, .nav__link.is-active::after { width: 18px; }
.nav__link.is-active { color: var(--text); font-weight: 650; }

.header-actions { display: flex; align-items: center; gap: .6rem; }

.theme-toggle, .nav-toggle {
  width: 42px; height: 42px; border-radius: var(--r-full);
  display: grid; place-items: center; cursor: pointer;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-soft);
  transition: all var(--t-fast) var(--ease-out);
}
.theme-toggle:hover, .nav-toggle:hover { background: var(--surface-inset); color: var(--text); border-color: var(--border-strong); }

.nav-toggle { display: none; }
.nav-toggle__bars { width: 18px; height: 12px; position: relative; }
.nav-toggle__bars span {
  position: absolute; left: 0; width: 100%; height: 2px; border-radius: 2px;
  background: currentColor; transition: all var(--t-base) var(--ease-spring);
}
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 5px; }
.nav-toggle__bars span:nth-child(3) { top: 10px; }
.nav-toggle.is-open .nav-toggle__bars span:nth-child(1) { top: 5px; transform: rotate(45deg); }
.nav-toggle.is-open .nav-toggle__bars span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-open .nav-toggle__bars span:nth-child(3) { top: 5px; transform: rotate(-45deg); }

/* ---- Cabeçalho sobre o hero escuro ----
   No topo da página o cabeçalho é transparente e flutua sobre o hero (sempre
   escuro, na home e nas páginas internas). Sem estas regras ele herdaria as
   cores do tema claro — texto quase preto sobre fundo preto. */
.site-header:not(.is-scrolled) .brand__name        { color: #fff; }
.site-header:not(.is-scrolled) .brand__tag         { color: rgba(247,247,241,.52); }
.site-header:not(.is-scrolled) .nav__link          { color: rgba(247,247,241,.70); }
.site-header:not(.is-scrolled) .nav__link:hover,
.site-header:not(.is-scrolled) .nav__link.is-active{ color: #fff; }
.site-header:not(.is-scrolled) .theme-toggle,
.site-header:not(.is-scrolled) .nav-toggle {
  color: rgba(247,247,241,.78);
  border-color: rgba(247,247,241,.22);
}
.site-header:not(.is-scrolled) .theme-toggle:hover,
.site-header:not(.is-scrolled) .nav-toggle:hover {
  background: rgba(247,247,241,.10);
  border-color: rgba(247,247,241,.34);
  color: #fff;
}
.site-header:not(.is-scrolled) .btn--outline {
  --btn-fg: #fff;
  border-color: rgba(247,247,241,.28);
}
.site-header:not(.is-scrolled) .btn--outline:hover {
  --btn-bg: #fff; --btn-fg: var(--ink-950);
  border-color: transparent;
}

/* Menu mobile em painel deslizante */
.mobile-nav {
  position: fixed; inset: 0; z-index: var(--z-drawer);
  background: var(--bg);
  padding: calc(var(--header-h) + 2rem) 1.5rem 2rem;
  display: flex; flex-direction: column; gap: .35rem;
  transform: translateX(100%);
  transition: transform var(--t-base) var(--ease-in-out);
  overflow-y: auto;
}
.mobile-nav.is-open { transform: none; }
.mobile-nav__link {
  font-family: var(--font-display); font-size: 1.7rem; font-weight: 600;
  padding: .7rem 0; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  opacity: 0; transform: translateY(16px);
  transition: opacity var(--t-base) var(--ease-out), transform var(--t-base) var(--ease-out), color var(--t-fast);
}
.mobile-nav.is-open .mobile-nav__link { opacity: 1; transform: none; }
.mobile-nav__link:hover, .mobile-nav__link.is-active { color: var(--lime-600); }
.mobile-nav__footer { margin-top: auto; padding-top: var(--s-6); display: grid; gap: .75rem; }

/* ============ HERO ============ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  /* o rodapé precisa comportar o indicador "role", que é absoluto e ancorado
     na base: com 4rem ele caía por cima das estatísticas quando o conteúdo
     crescia além da altura da janela */
  padding-top: calc(var(--header-h) + 3rem); padding-bottom: 7rem;
  background: var(--ink-950); color: var(--ink-50);
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.hero__glow {
  position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55;
}
.hero__glow--1 { width: 620px; height: 620px; top: -18%; right: -12%; background: radial-gradient(circle, rgba(210,230,45,.5), transparent 68%); }
.hero__glow--2 { width: 520px; height: 520px; bottom: -22%; left: -14%; background: radial-gradient(circle, rgba(124,92,255,.45), transparent 68%); }
.hero__glow--3 { width: 360px; height: 360px; top: 40%; left: 45%; background: radial-gradient(circle, rgba(47,191,135,.30), transparent 70%); }

/* Grade de pauta musical ao fundo */
.hero__staff { position: absolute; inset: 0; opacity: .07; }
.hero__staff span {
  position: absolute; left: 0; right: 0; height: 1px; background: var(--lime-300);
}
.hero__noise {
  position: absolute; inset: 0; opacity: .045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}

.hero__inner { position: relative; z-index: 2; display: grid; gap: var(--s-9); grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; }
.hero__content { max-width: 40rem; }
.hero__title {
  font-family: var(--font-display);
  font-size: var(--fs-4xl); font-weight: 700;
  line-height: .96; letter-spacing: -.045em;
  margin-block: var(--s-5) var(--s-5);
  color: #fff;
}
.hero__title em { font-style: normal; color: var(--lime-400); }
.hero__sub { font-size: var(--fs-md); color: rgba(247,247,241,.72); max-width: 34rem; line-height: var(--lh-loose); }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: var(--s-7); }
.hero .eyebrow { color: var(--lime-400); }

.hero__stats {
  /* grade (e não flex-wrap): com 4 itens e gap largo, o último caía sozinho
     numa segunda linha e escapava da dobra. A grade distribui por igual e
     reduz para 2 colunas no celular sem regra extra. */
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(116px, 1fr));
  gap: var(--s-6) var(--s-5);
  margin-top: var(--s-9); padding-top: var(--s-7);
  border-top: 1px solid rgba(247,247,241,.14);
}
.hero__stat b {
  display: block; font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem); font-weight: 700;
  color: var(--lime-400); line-height: 1; letter-spacing: -.03em;
}
.hero__stat span {
  display: block;
  font-size: var(--fs-xs); color: rgba(247,247,241,.6);
  text-transform: uppercase; letter-spacing: .05em;
  white-space: nowrap;
}

/* Cartão visual do hero */
.hero__visual { position: relative; display: grid; place-items: center; min-height: 420px; }
.hero__disc {
  width: min(400px, 78vw); aspect-ratio: 1; border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, var(--ink-900) 0 18%, transparent 18.5%),
    repeating-radial-gradient(circle at 50% 50%, rgba(247,247,241,.05) 0 2px, transparent 2px 5px),
    conic-gradient(from 0deg, #1b1b14, #2a2a20, #1b1b14, #2a2a20, #1b1b14);
  box-shadow: 0 40px 90px rgba(0,0,0,.6), inset 0 0 0 1px rgba(210,230,45,.14);
  position: relative; display: grid; place-items: center;
  animation: spin-slow 26s linear infinite;
}
.hero__disc::after {
  content: ''; position: absolute; width: 30%; aspect-ratio: 1; border-radius: 50%;
  background: var(--lime-400);
  box-shadow: 0 0 0 6px var(--ink-950), 0 0 60px rgba(210,230,45,.45);
}
.hero__disc-label {
  position: absolute; z-index: 2; width: 30%; aspect-ratio: 1; border-radius: 50%;
  display: grid; place-items: center; overflow: hidden;
}
.hero__disc-label img { width: 100%; height: 100%; object-fit: cover; }

.hero__chip {
  position: absolute; display: flex; align-items: center; gap: .6rem;
  padding: .65rem 1rem; border-radius: var(--r-full);
  /* Fundo próprio, e não só backdrop-filter: o desfoque é recortado na borda
     da coluna do hero, e o chip aparecia com um lado chapado. O blur agora é
     só um reforço — a pílula se sustenta sozinha. */
  background: rgba(18,18,13,.82);
  backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid rgba(255,255,255,.14);
  font-size: var(--fs-xs); font-weight: 600; color: #fff;
  box-shadow: var(--shadow-md);
}
.hero__chip--1 { top: 8%; left: -2%; }
.hero__chip--2 { bottom: 14%; right: -1%; }
.hero__chip--3 { bottom: 2%; left: 8%; }
/* flex:none impede que a bolinha vire elipse quando o texto aperta o chip */
.hero__chip i { width: 8px; height: 8px; flex: none; border-radius: 50%; background: var(--lime-400); }

.hero__scroll {
  position: absolute; bottom: 1.8rem; left: 50%; transform: translateX(-50%);
  display: none; justify-items: center; gap: .5rem; z-index: 3;
  font-size: var(--fs-xs); letter-spacing: .16em; text-transform: uppercase;
  color: rgba(247,247,241,.5);
}
.hero__scroll-line { width: 1px; height: 42px; background: linear-gradient(var(--lime-400), transparent); }

@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { order: -1; min-height: 300px; }
  .hero__disc { width: min(280px, 62vw); }
  .hero__chip--1 { left: 0; } .hero__chip--2 { right: 0; }
}

/* Em telas curtas ou estreitas o indicador vira estorvo: some. */
@media (min-width: 900px) and (min-height: 680px) {
  .hero__scroll { display: grid; }
}

/* ============ FAIXA DE INSTRUMENTOS (MARQUEE) ============ */
.strip {
  background: var(--lime-400); color: var(--ink-950);
  padding-block: 1rem; font-family: var(--font-display);
  font-weight: 650; font-size: var(--fs-md); letter-spacing: -.01em;
}
.strip .marquee__item::after { content: '●'; margin-left: 2rem; opacity: .4; font-size: .5em; vertical-align: middle; }

/* ============ SEÇÃO GENÉRICA ============ */
.section-head { max-width: 46rem; margin-bottom: var(--s-9); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head h2 { margin-top: var(--s-3); }
.section-head p { margin-top: var(--s-4); color: var(--text-soft); font-size: var(--fs-md); }

.section--dark { background: var(--ink-950); color: var(--ink-50); }
.section--dark h2, .section--dark h3 { color: #fff; }
.section--dark .section-head p, .section--dark .lead { color: rgba(247,247,241,.66); }
.section--dark .eyebrow { color: var(--lime-400); }
.section--tinted { background: var(--bg-subtle); }

/* ============ CARTÃO DE CURSO ============ */
.course-card {
  position: relative; display: flex; flex-direction: column;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out), border-color var(--t-base);
}
.course-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.course-card__media { position: relative; aspect-ratio: 16/11; overflow: hidden; background: var(--surface-inset); }
.course-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease-out); }
.course-card:hover .course-card__media img { transform: scale(1.07); }
.course-card__fallback {
  position: absolute; inset: 0; display: grid; place-items: center;
  background: linear-gradient(140deg, var(--course-color, var(--lime-400)), color-mix(in srgb, var(--course-color, var(--lime-400)) 55%, var(--ink-900)));
}
.course-card__fallback svg { width: 40%; opacity: .85; }
.course-card__level {
  position: absolute; top: .9rem; left: .9rem;
  background: rgba(13,13,10,.72); color: #fff; backdrop-filter: blur(8px);
}
.course-card__body { padding: var(--s-5) var(--s-5) var(--s-6); display: flex; flex-direction: column; gap: .7rem; flex: 1; }
.course-card__title { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 650; letter-spacing: -.02em; }
.course-card__meta { display: flex; flex-wrap: wrap; gap: .4rem 1rem; font-size: var(--fs-xs); color: var(--text-muted); }
.course-card__meta span { display: inline-flex; align-items: center; gap: .3rem; }
.course-card__foot {
  margin-top: auto; padding-top: var(--s-4);
  border-top: 1px dashed var(--border);
  display: flex; align-items: flex-end; justify-content: space-between; gap: var(--s-3);
}
.course-card__price b { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 700; letter-spacing: -.02em; display: block; }
.course-card__price small { font-size: var(--fs-xs); color: var(--text-muted); }
.course-card__arrow {
  width: 40px; height: 40px; border-radius: 50%; flex: none;
  display: grid; place-items: center;
  background: var(--surface-inset); color: var(--text);
  transition: all var(--t-base) var(--ease-spring);
}
.course-card:hover .course-card__arrow { background: var(--lime-400); color: var(--ink-950); transform: rotate(-45deg); }

/* ============ NÚMEROS / DIFERENCIAIS ============ */
.feature {
  display: flex; gap: var(--s-4); padding: var(--s-6);
  border-radius: var(--r-lg); background: var(--surface);
  border: 1px solid var(--border);
  transition: all var(--t-base) var(--ease-out);
}
.feature:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature__icon {
  width: 52px; height: 52px; flex: none; border-radius: var(--r-md);
  display: grid; place-items: center;
  background: var(--lime-100); color: var(--lime-800);
  transition: all var(--t-base) var(--ease-spring);
}
.feature:hover .feature__icon { background: var(--lime-400); color: var(--ink-950); transform: rotate(-8deg) scale(1.05); }
[data-theme="dark"] .feature__icon { background: rgba(210,230,45,.14); color: var(--lime-300); }
.feature h3 { font-size: var(--fs-md); margin-bottom: .35rem; }
.feature p { font-size: var(--fs-sm); color: var(--text-soft); }

.stat-tile { text-align: center; padding: var(--s-6) var(--s-4); }
.stat-tile b {
  display: block; font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 700;
  letter-spacing: -.04em; line-height: 1; color: var(--lime-500);
}
[data-theme="dark"] .stat-tile b, .section--dark .stat-tile b { color: var(--lime-400); }
.stat-tile span { font-size: var(--fs-sm); color: var(--text-soft); }

/* ============ PROFESSORES ============ */
.teacher {
  position: relative; border-radius: var(--r-lg); overflow: hidden;
  aspect-ratio: 3/4; background: var(--surface-inset);
}
.teacher img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease-out); filter: grayscale(.35); }
.teacher:hover img { transform: scale(1.06); filter: none; }
.teacher__info {
  position: absolute; inset: auto 0 0 0; padding: var(--s-6) var(--s-5) var(--s-5);
  background: linear-gradient(transparent, rgba(13,13,10,.92));
  color: #fff;
  transform: translateY(12px); opacity: .95;
  transition: transform var(--t-base) var(--ease-out);
}
.teacher:hover .teacher__info { transform: none; }
.teacher__info b { font-family: var(--font-display); font-size: var(--fs-md); display: block; }
.teacher__info span { font-size: var(--fs-xs); color: var(--lime-400); }

/* ============ DEPOIMENTOS ============ */
.testimonial {
  padding: var(--s-7); border-radius: var(--r-lg);
  background: var(--surface); border: 1px solid var(--border);
  display: flex; flex-direction: column; gap: var(--s-5); height: 100%;
}
.testimonial__stars { display: flex; gap: .15rem; color: var(--amber); }
.testimonial p { font-size: var(--fs-md); line-height: var(--lh-loose); color: var(--text); flex: 1; }
.testimonial__author { display: flex; align-items: center; gap: .8rem; }
.testimonial__author b { display: block; font-size: var(--fs-sm); }
.testimonial__author span { font-size: var(--fs-xs); color: var(--text-muted); }

.slider { position: relative; }
.slider__viewport { overflow: hidden; }
.slider__track { display: flex; gap: var(--s-6); transition: transform var(--t-slow) var(--ease-out); }
.slider__slide { flex: 0 0 clamp(280px, 33%, 420px); }
.slider__nav { display: flex; gap: .5rem; justify-content: flex-end; margin-top: var(--s-6); }
.slider__dots { display: flex; gap: .4rem; justify-content: center; margin-top: var(--s-5); }
.slider__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--border-strong); border: 0; cursor: pointer; transition: all var(--t-base) var(--ease-out); }
.slider__dot.is-active { width: 26px; border-radius: var(--r-full); background: var(--lime-500); }

/* ============ BLOG ============ */
.post-card {
  display: flex; flex-direction: column; height: 100%;
  border-radius: var(--r-lg); overflow: hidden;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}
.post-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.post-card__media { aspect-ratio: 16/10; overflow: hidden; background: var(--surface-inset); }
.post-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--t-slow) var(--ease-out); }
.post-card:hover .post-card__media img { transform: scale(1.06); }
.post-card__body { padding: var(--s-5); display: flex; flex-direction: column; gap: .65rem; flex: 1; }
.post-card__title { font-family: var(--font-display); font-size: var(--fs-md); font-weight: 650; line-height: 1.3; }
.post-card:hover .post-card__title { color: var(--lime-700); }
[data-theme="dark"] .post-card:hover .post-card__title { color: var(--lime-400); }
.post-card__meta { display: flex; gap: .8rem; font-size: var(--fs-xs); color: var(--text-muted); margin-top: auto; padding-top: var(--s-3); }

.post-card--featured { grid-column: span 2; }
.post-card--featured .post-card__media { aspect-ratio: 16/8; }
.post-card--featured .post-card__title { font-size: var(--fs-xl); }
@media (max-width: 860px) { .post-card--featured { grid-column: span 1; } }

/* Conteúdo do artigo */
.prose { max-width: 72ch; font-size: var(--fs-md); line-height: var(--lh-loose); color: var(--text); }
.prose > * + * { margin-top: 1.35em; }
.prose h2 { font-size: var(--fs-xl); margin-top: 2.2em; }
.prose h3 { font-size: var(--fs-lg); margin-top: 1.8em; }
.prose a { color: var(--lime-700); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1.5px; }
[data-theme="dark"] .prose a { color: var(--lime-400); }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose ul li { list-style: disc; } .prose ol li { list-style: decimal; }
.prose li + li { margin-top: .5em; }
.prose blockquote {
  border-left: 3px solid var(--lime-400); padding: .3em 0 .3em 1.4em;
  font-size: var(--fs-lg); font-family: var(--font-display); font-style: italic; color: var(--text-soft);
}
.prose img { border-radius: var(--r-md); margin-block: 2em; }
.prose code { font-family: var(--font-mono); font-size: .9em; background: var(--surface-inset); padding: .15em .4em; border-radius: var(--r-xs); }
.prose hr { border: 0; height: 1px; background: var(--border); margin-block: 2.5em; }

/* ============ CTA FINAL ============ */
.cta-band {
  position: relative; overflow: hidden;
  border-radius: var(--r-2xl);
  background: linear-gradient(135deg, var(--lime-400), var(--lime-500) 55%, var(--mint));
  background-size: 200% 200%;
  animation: gradient-shift 12s var(--ease-in-out) infinite;
  color: var(--ink-950);
  padding: clamp(2.5rem, 6vw, 5rem);
  text-align: center;
}
.cta-band h2 { color: var(--ink-950); font-size: var(--fs-2xl); }
.cta-band p { color: rgba(13,13,10,.72); max-width: 48ch; margin-inline: auto; margin-top: var(--s-4); }
.cta-band__actions { display: flex; gap: .8rem; justify-content: center; flex-wrap: wrap; margin-top: var(--s-7); }
.cta-band__note { margin-top: var(--s-5); font-size: var(--fs-xs); color: rgba(13,13,10,.6); }

/* ============ RODAPÉ ============ */
.site-footer { background: var(--ink-950); color: rgba(247,247,241,.7); padding-block: var(--s-11) var(--s-6); }
.site-footer .brand__tag { color: rgba(247,247,241,.55); }
.site-footer h4 { color: #fff; font-size: var(--fs-sm); text-transform: uppercase; letter-spacing: .12em; margin-bottom: var(--s-4); }
.site-footer a { transition: color var(--t-fast); }
.site-footer a:hover { color: var(--lime-400); }
.footer-grid { display: grid; gap: var(--s-8); grid-template-columns: 1.4fr repeat(3, 1fr); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); } }
.footer-links li + li { margin-top: .6rem; }
.footer-links a { font-size: var(--fs-sm); }
.footer-bottom {
  margin-top: var(--s-9); padding-top: var(--s-6);
  border-top: 1px solid rgba(247,247,241,.12);
  display: flex; justify-content: space-between; gap: var(--s-4); flex-wrap: wrap;
  font-size: var(--fs-xs); color: rgba(247,247,241,.45);
}
.social { display: flex; gap: .5rem; }
.social a {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  border: 1px solid rgba(247,247,241,.16); color: rgba(247,247,241,.75);
  transition: all var(--t-base) var(--ease-spring);
}
.social a:hover { background: var(--lime-400); color: var(--ink-950); border-color: transparent; transform: translateY(-3px); }

/* ============ WHATSAPP FLUTUANTE ============ */
.wa-float {
  position: fixed; right: 1.1rem; bottom: 1.1rem; z-index: var(--z-sticky);
  width: 58px; height: 58px; border-radius: 50%;
  display: grid; place-items: center;
  background: #25D366; color: #fff; box-shadow: 0 12px 30px rgba(37,211,102,.4);
  transition: transform var(--t-base) var(--ease-spring);
}
.wa-float:hover { transform: scale(1.08) translateY(-3px); }
.wa-float::after { content: ''; position: absolute; inset: 0; border-radius: 50%; animation: pulse-ring 2.6s var(--ease-out) infinite; box-shadow: 0 0 0 0 rgba(37,211,102,.5); }

/* ============ PÁGINA INTERNA — TOPO ============ */
.page-hero {
  padding-top: calc(var(--header-h) + 4rem); padding-bottom: var(--s-9);
  background: var(--ink-950); color: #fff; position: relative; overflow: hidden;
}
.page-hero::after {
  content: ''; position: absolute; width: 520px; height: 520px; border-radius: 50%;
  top: -40%; right: -8%; filter: blur(90px);
  background: radial-gradient(circle, rgba(210,230,45,.35), transparent 70%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { color: #fff; margin-block: var(--s-3); }
.page-hero p { color: rgba(247,247,241,.68); max-width: 58ch; }
.page-hero .breadcrumb { color: rgba(247,247,241,.5); }
.page-hero .breadcrumb a:hover { color: var(--lime-400); }

/* ============ RESPONSIVO ============ */
@media (max-width: 1040px) {
  .nav { display: none; }
  .nav-toggle { display: grid; }
  /* o menu deslizante já traz "Área do aluno" e "Aula experimental" no rodapé;
     mantê-los também no topo só aperta a barra sem oferecer nada novo */
  .header-actions .btn { display: none; }
}
@media (max-width: 560px) {
  .hero__stats { gap: var(--s-6); }
  .hero__chip { display: none; }
  .btn--lg { padding: .95rem 1.6rem; }
  .brand__tag { display: none; }
}