/* =========================================================
   AULAS — Catálogo (Thiago Santos)
   Paleta fixa: #FFFFFF #95C93D #212C65 #3D76BB
   - Detalhes em OVERLAY (não empurra o footer)
   - Header cresce com títulos longos (sem cortes)
   ========================================================= */

#aulas-compras{
  --white:#FFFFFF;
  --green:#95C93D;
  --navy:#212C65;
  --blue:#3D76BB;

  /* Derivadas dentro da paleta */
  --text: color-mix(in srgb, var(--navy) 70%, var(--white) 30%);
  --muted: color-mix(in srgb, var(--blue) 10%, var(--white) 90%);
  --border: color-mix(in srgb, var(--navy) 14%, var(--white) 86%);

  --radius-lg:18px;
  --shadow:0 10px 28px rgba(0,0,0,.08);
  --shadow-sm:0 6px 18px rgba(0,0,0,.06);

  /* Alturas p/ alinhamento do conteúdo interno */
  --head-h: 128px;
  --features-h: 260px;

  background: var(--white);
  color: var(--text);
}

/* ======= HERO — Aulas (evita overflow do badge) ======= */
/* Altura do header do site (ajuste se necessário) */
:root{
  --site-header-h: 64px;
}
@media (max-width: 640px){
  :root{ --site-header-h: 72px; }
}
@media (max-width: 420px){
  :root{ --site-header-h: 84px; }
}

#aulas-hero{
  /* FIX: nunca deixa o badge colar no topo (header fixo + notch/safe area) */
  padding-top: max(
    clamp(56px, 8vw, 100px),
    calc(var(--site-header-h) + 12px + env(safe-area-inset-top))
  );
  padding-bottom: 32px;

  text-align:center;
  background:
    radial-gradient(120% 120% at 90% -10%, color-mix(in srgb, var(--blue) 15%, transparent) 0%, transparent 60%),
    radial-gradient(120% 120% at -10% 30%, color-mix(in srgb, var(--green) 15%, transparent) 0%, transparent 60%);
}

/* Badge “ABERTO PARA NOVAS TURMAS” */
#aulas-hero-badge{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.45rem .8rem; border-radius:999px; background:#fff; border:1px solid var(--border);
  font:700 .82rem/1 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; letter-spacing:.04em; color:var(--navy);
  box-shadow: var(--shadow-sm);
  margin-top: 4px; /* respiro extra mesmo após o cálculo acima */
}
#aulas-hero .hero-dot{
  width:8px; height:8px; border-radius:999px; background:var(--green);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--green) 30%, transparent);
}

/* Título e texto do HERO (iguais aos seus) */
#aulas-hero h1{
  margin: 1rem 0 .5rem;
  font:900 clamp(2.2rem, 6vw, 3.6rem)/1.08 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color: var(--navy); letter-spacing:-.02em;
}
#aulas-hero .accent{
  background: linear-gradient(90deg, var(--blue), var(--green));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
#aulas-hero .lead{
  max-width: 70ch; margin: 0 auto;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  color: color-mix(in srgb, var(--navy) 55%, var(--white) 45%);
  line-height:1.6;
}

/* ======================= LISTAGEM ======================= */
.plans.section{ padding: 28px 0 72px; }
#aulas-planos-grid{
  display:flex; flex-wrap:wrap; gap: clamp(1.2rem, 2.5vw, 1.8rem);
  align-items:flex-start;
}
.pricing-card{ flex: 1 1 320px; max-width: 100%; }
@media (min-width:980px){
  .pricing-card{ flex: 1 1 calc(33.333% - 1.2rem); }
}

/* ======================= CARD ======================= */
.pricing-card{
  position: relative; /* para overlay */
  display:grid;
  grid-template-rows: minmax(var(--head-h), auto) 1fr; /* header cresce se precisar */
  min-height: 600px;
  border:1px solid var(--border); border-radius: var(--radius-lg);
  background:#fff; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  overflow:hidden; box-sizing:border-box;
}
.pricing-card:hover{ transform: translateY(-4px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--blue) 30%, var(--border)); }

/* libera overlay e sobe na pilha quando <details> abrir */
.pricing-card:has(.details[open]){
  z-index: 5;
  overflow: visible;
}

/* Cabeçalho */
.pricing-head{
  grid-row:1;
  display:grid; grid-template-columns: 64px 1fr max-content; gap: 1rem;
  align-items:flex-start;
  align-content:center;
  padding: 1.2rem 1.6rem; border-bottom:1px solid var(--border);
  box-sizing:border-box;
}

/* Ícone do card */
.icon-wrap{
  width:64px; height:64px; border-radius:16px; display:grid; place-items:center;
  background: linear-gradient(180deg, color-mix(in srgb, var(--navy) 6%, transparent), transparent);
  border:1px solid var(--border);
}
.icon-wrap svg{ width:30px; height:30px; stroke:var(--navy); fill:none; stroke-width:2; stroke-linecap:round; stroke-linejoin:round; }

/* Título/sub */
.card-title{ margin:.05rem 0 0; font:800 1.12rem/1.2 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color:var(--navy); overflow-wrap:anywhere; }
.card-sub{ margin:.25rem 0 0; font:500 .95rem/1.35 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color: color-mix(in srgb, var(--navy) 50%, var(--white) 50%); overflow-wrap:anywhere; }

/* Preço compacto */
.price{
  margin:0; display:flex; align-items:center; gap:.18rem; white-space: nowrap;
  font:900 clamp(0.95rem, 1.35vw, 1.08rem)/1 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color:var(--navy);
  align-self:start; /* ancora no topo */
}
.price .currency{ font:700 .72rem/1; color: color-mix(in srgb, var(--navy) 45%, var(--white) 55%); margin-right:.06rem; }
.price .period{
  display:inline-flex; align-items:center; padding:.14rem .38rem; margin-left:.16rem;
  border:1px solid var(--border); border-radius:999px; background:#fff;
  font:800 .62rem/1 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color: color-mix(in srgb, var(--navy) 50%, var(--white) 50%);
}

/* ======================= CORPO ======================= */
.card-body{
  grid-row:2;
  padding: 1.1rem 1.6rem 1.6rem;
  display:grid; grid-template-rows: var(--features-h) auto; gap:1rem;
  box-sizing:border-box;
}

/* Features */
.features{
  list-style:none; margin:0; padding:0; display:grid; gap:.7rem; color: color-mix(in srgb, var(--navy) 55%, var(--white) 45%);
  height: var(--features-h);
  overflow:auto; padding-right:2px; scrollbar-width: thin;
}
.feature{ display:grid; grid-template-columns:22px 1fr; gap:.65rem; align-items:start; font-size:1rem; }
.feature svg{ width:18px; height:18px; stroke:var(--green); fill:none; stroke-width:2.5; }

/* ======================= BOTÃO ADD-TO-CART ======================= */
.btn{
  display:flex; align-items:center; justify-content:center;
  width:100% !important; box-sizing:border-box;
  min-height:52px; padding:14px 16px;

  appearance:none; border-radius:14px; border:1px solid var(--navy);
  font:800 1rem/1 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  letter-spacing:.01em; cursor:pointer; text-align:center; user-select:none;

  position: relative; overflow: hidden;
  background: var(--navy); color:#fff;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .06s ease;
}
.btn--primary{ /* navy no normal */ }
.btn:active{ transform: translateY(1px); }

/* Camadas do efeito (texto -> ícone) */
.btn-roller .btn-surface{ position: relative; display:block; width:100%; height:100%; }
.btn-roller .btn-text,
.btn-roller .btn-icon{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  transition: transform .45s ease, opacity .25s ease;
  will-change: transform;
}
.btn-roller .btn-text{ transform: translateY(0); opacity:1; }
.btn-roller .btn-icon{ transform: translateY(110%); opacity:0; pointer-events:none; }
.btn-roller:hover,
.btn-roller:focus-visible{
  background: var(--green);
  border-color: color-mix(in srgb, var(--green) 80%, #000 20%);
  color:#fff;
}
.btn-roller:hover .btn-text,
.btn-roller:focus-visible .btn-text{ transform: translateY(-110%); opacity:0; }
.btn-roller:hover .btn-icon,
.btn-roller:focus-visible .btn-icon{ transform: translateY(0); opacity:1; }
.btn-roller .btn-icon svg{ width:22px; height:22px; display:block; fill: currentColor; }
.btn:focus-visible{ outline:2px solid var(--blue); outline-offset:2px; }

/* ======================= “Ver mais detalhes” — OVERLAY ======================= */
.details{ margin-top:.2rem; border-top:1px dashed var(--border); padding-top:.9rem; position: relative; }
.details summary{
  list-style:none; cursor:pointer; user-select:none;
  display:inline-flex; gap:.5rem; align-items:center;
  font:800 .95rem/1 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif; color:var(--navy);
}
.details summary::-webkit-details-marker{ display:none; }
.details .arrow{ width:16px; height:16px; stroke:var(--blue); fill:none; stroke-width:2; transition: transform .18s ease; }
.details[open] .arrow{ transform: rotate(90deg); }

/* Painel flutuante (não empurra footer) */
.details-content{
  position: absolute;
  left: -1.6rem;                  /* acompanha padding lateral do card */
  right: -1.6rem;
  top: calc(100% + .6rem);        /* abaixo do summary */
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;

  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;

  max-height: none !important;
  overflow: visible !important;
}
.details[open] .details-content{
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Oculta o botão enquanto detalhes estiver aberto (funciona c/ qualquer ordem) */
.card-actions:has(.details[open]) .btn{ display:none; }
/* fallback caso <details> venha antes do botão */
.details[open] + .btn{ display:none; }

/* ======================= Destaque ======================= */
.pricing-card--featured{ border-width:2px; border-color: color-mix(in srgb, var(--blue) 40%, var(--border)); box-shadow: 0 14px 38px rgba(33,44,101,.10); }

/* ======================= Responsivo ======================= */
@media (max-width:980px){
  #aulas-compras{ --features-h: 220px; }
}
@media (max-width:520px){
  .pricing-head{ grid-template-columns:56px 1fr; }
  .price{ grid-column:1 / -1; margin-top:.5rem; }
  #aulas-compras{ --head-h: 148px; --features-h: 200px; }
}

@media (max-width:315px){
  #btn-text-fluency-groups{font-size:14px;}
}

/* ======================= Acessibilidade ======================= */
@media (prefers-reduced-motion: reduce){
  .btn-roller .btn-text,
  .btn-roller .btn-icon{ transition: none; }
  .btn-roller:hover .btn-text,
  .btn-roller:focus-visible .btn-text{ transform:none; opacity:1; }
  .btn-roller .btn-icon{ display:none; }
  .details-content{ transition:none; }
}