/* ============================================================
   Black Friday 2026 — páginas de combos (temporário)
   Usado por pages/black-friday.html e pages/bf-combo-*.html.
   Remover junto com a campanha (ver docs/decisions/black-friday-2026.md).
   ============================================================ */

.bf {
  --bf-bg:        #07070b;
  --bf-surface:   #111118;
  --bf-surface-2: #181822;
  --bf-line:      rgba(255,255,255,.10);
  --bf-text:      #f4f4f7;
  --bf-muted:     #a6a8b8;
  --bf-yellow:    #eaea11;
  --bf-orange:    #f79d3c;
  --bf-purple:    #8300e9;
  background: var(--bf-bg);
  color: var(--bf-text);
}
.bf main { background: var(--bf-bg); }
.bf h1, .bf h2, .bf h3 { color: #fff; }

/* ---------- Faixa superior ---------- */
.bf-strip {
  background: var(--bf-yellow);
  color: #07070b;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  text-align: center;
  padding: 10px 16px;
}

/* ---------- Hero ---------- */
.bf-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 64px;
  background:
    radial-gradient(600px 320px at 85% 0%, rgba(131,0,233,.35), transparent 70%),
    radial-gradient(500px 300px at 0% 100%, rgba(247,157,60,.16), transparent 70%),
    var(--bf-bg);
  border-bottom: 1px solid var(--bf-line);
}
.bf-hero__inner { display: grid; gap: 40px; align-items: center; }
.bf-hero__back { color: var(--bf-muted); font-size: 14px; text-decoration: none; }
.bf-hero__back:hover { color: #fff; }
.bf-hero__tag {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 20px 0 16px;
  padding: 6px 14px;
  border: 1px solid var(--bf-yellow);
  border-radius: 999px;
  color: var(--bf-yellow);
  font-family: var(--font-heading); font-weight: 800; font-size: 12px;
  letter-spacing: .12em; text-transform: uppercase;
}
.bf-hero__title {
  font-family: var(--font-heading); font-weight: 900;
  font-size: clamp(2.25rem, 7vw, 3.75rem);
  line-height: 1.05; letter-spacing: -.02em;
  margin: 0 0 16px;
}
.bf-hero__title span { color: var(--bf-yellow); }
.bf-hero__subtitle { color: var(--bf-muted); font-size: 1.0625rem; line-height: 1.7; max-width: 560px; margin: 0 0 24px; }
.bf-hero__chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.bf-chip {
  background: var(--bf-surface-2); border: 1px solid var(--bf-line);
  border-radius: 999px; padding: 7px 14px;
  font-size: 13.5px; font-weight: 600; color: #fff;
}

/* ---------- Caixa de preço ---------- */
.bf-price {
  background: var(--bf-surface);
  border: 1px solid var(--bf-line);
  border-top: 4px solid var(--bf-yellow);
  border-radius: 20px;
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,.45);
}
.bf-price__label { color: var(--bf-muted); font-size: 13px; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 6px; }
.bf-price__old { color: var(--bf-muted); font-size: 16px; margin: 0 0 14px; }
.bf-price__old s { color: #d4d5df; }
.bf-price__installment { display: flex; align-items: baseline; justify-content: center; gap: 6px; margin: 0; }
.bf-price__installment small { font-family: var(--font-heading); font-weight: 700; font-size: 20px; color: var(--bf-muted); }
.bf-price__value { font-family: var(--font-heading); font-weight: 900; font-size: clamp(2.5rem, 9vw, 3.25rem); color: var(--bf-yellow); line-height: 1; }
.bf-price__cash { color: #fff; font-weight: 600; margin: 10px 0 14px; }
.bf-price__save {
  display: inline-block; margin: 0 0 20px;
  background: rgba(247,157,60,.14); color: var(--bf-orange);
  border-radius: 999px; padding: 6px 14px;
  font-family: var(--font-heading); font-weight: 800; font-size: 13px;
}
.bf-price__note { color: var(--bf-muted); font-size: 12px; margin: 12px 0 0; }

.bf-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%;
  background: var(--bf-yellow); color: #07070b;
  border-radius: 12px; padding: 18px 20px;
  font-family: var(--font-heading); font-weight: 900; font-size: 16px;
  letter-spacing: .02em; text-transform: uppercase; text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease;
}
.bf-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(234,234,17,.25); }
.bf-btn--ghost { background: transparent; color: #fff; border: 1px solid var(--bf-line); }
.bf-btn--ghost:hover { box-shadow: none; border-color: #fff; }

/* ---------- Seções ---------- */
.bf-section { padding: 64px 0; border-bottom: 1px solid var(--bf-line); }
.bf-section__header { text-align: center; max-width: 680px; margin: 0 auto 40px; }
.bf-section__label {
  display: block; margin-bottom: 10px;
  color: var(--bf-orange);
  font-family: var(--font-heading); font-weight: 800; font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase;
}
.bf-section__title { font-family: var(--font-heading); font-weight: 900; font-size: clamp(1.75rem, 5vw, 2.5rem); line-height: 1.15; margin: 0; }
.bf-section__text { color: var(--bf-muted); margin: 14px 0 0; line-height: 1.7; }

/* ---------- Curso dentro do combo ---------- */
.bf-courses { display: grid; gap: 20px; }
.bf-course {
  background: var(--bf-surface);
  border: 1px solid var(--bf-line);
  border-left: 4px solid var(--bf-course-color, var(--bf-purple));
  border-radius: 16px;
  padding: 24px;
}
.bf-course__top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin-bottom: 12px; }
.bf-course__badge {
  color: var(--bf-course-color, var(--bf-purple));
  filter: brightness(1.45);
  font-family: var(--font-heading); font-weight: 800; font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
}
.bf-course__alone { color: var(--bf-muted); font-size: 13px; }
.bf-course__title { font-family: var(--font-heading); font-weight: 800; font-size: 1.375rem; line-height: 1.25; margin: 0 0 10px; }
.bf-course__text { color: var(--bf-muted); line-height: 1.7; margin: 0 0 16px; }
.bf-course__meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; padding: 0; list-style: none; }
.bf-course__meta li { font-size: 12.5px; color: #d9dae3; background: var(--bf-surface-2); border-radius: 6px; padding: 5px 10px; }
.bf-course__list-title { font-family: var(--font-heading); font-weight: 700; font-size: 13px; color: #fff; text-transform: uppercase; letter-spacing: .08em; margin: 0 0 8px; }
.bf-course__list { margin: 0 0 12px; padding: 0; list-style: none; display: grid; gap: 6px; }
.bf-course__list li { position: relative; padding-left: 22px; color: #d9dae3; font-size: 14.5px; line-height: 1.5; }
.bf-course__list li::before { content: ""; position: absolute; left: 2px; top: 7px; width: 9px; height: 9px; border-radius: 2px; background: var(--bf-yellow); }
.bf-course__list--bonus li::before { background: var(--bf-orange); }
.bf-course__link { color: var(--bf-muted); font-size: 13.5px; }
.bf-course__link:hover { color: #fff; }

/* ---------- Professoras ---------- */
.bf-profs { display: grid; gap: 20px; }
.bf-prof { display: flex; gap: 16px; align-items: flex-start; background: var(--bf-surface); border: 1px solid var(--bf-line); border-radius: 16px; padding: 20px; }
.bf-prof__photo { flex-shrink: 0; width: 84px; height: 84px; border-radius: 50%; object-fit: cover; border: 2px solid var(--bf-yellow); }
.bf-prof__name { font-family: var(--font-heading); font-weight: 800; font-size: 1.05rem; margin: 0 0 4px; }
.bf-prof__reg { color: var(--bf-orange); font-size: 12.5px; font-weight: 600; margin: 0 0 8px; }
.bf-prof__bio { color: var(--bf-muted); font-size: 14px; line-height: 1.6; margin: 0; }

/* ---------- Oferta final ---------- */
.bf-final { display: grid; gap: 32px; align-items: center; }
.bf-final__list { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.bf-final__list li { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px dashed var(--bf-line); padding-bottom: 10px; color: #d9dae3; }
.bf-final__list li span:last-child { color: var(--bf-muted); white-space: nowrap; }

/* ---------- FAQ ---------- */
.bf-faq { max-width: 760px; margin: 0 auto; display: grid; gap: 10px; }
.bf-faq__item { background: var(--bf-surface); border: 1px solid var(--bf-line); border-radius: 12px; padding: 0 20px; }
.bf-faq__item summary { cursor: pointer; list-style: none; padding: 18px 0; font-family: var(--font-heading); font-weight: 700; color: #fff; }
.bf-faq__item summary::-webkit-details-marker { display: none; }
.bf-faq__item summary::after { content: "+"; float: right; color: var(--bf-yellow); font-weight: 900; }
.bf-faq__item[open] summary::after { content: "–"; }
.bf-faq__item p { color: var(--bf-muted); line-height: 1.7; margin: 0 0 18px; }

/* ---------- Página geral: cards dos combos ---------- */
.bf-combos { display: grid; gap: 20px; }
.bf-combo {
  position: relative;
  display: flex; flex-direction: column;
  background: var(--bf-surface);
  border: 1px solid var(--bf-line);
  border-radius: 20px;
  padding: 28px 24px 24px;
}
.bf-combo--featured { border: 2px solid var(--bf-yellow); }
.bf-combo__flag {
  position: absolute; top: -13px; left: 24px;
  background: var(--bf-yellow); color: #07070b;
  border-radius: 999px; padding: 5px 12px;
  font-family: var(--font-heading); font-weight: 900; font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
}
.bf-combo__name { font-family: var(--font-heading); font-weight: 900; font-size: 1.5rem; margin: 0 0 6px; }
.bf-combo__count { color: var(--bf-orange); font-weight: 600; font-size: 13.5px; margin: 0 0 16px; }
.bf-combo__items { margin: 0 0 20px; padding: 0; list-style: none; display: grid; gap: 6px; align-content: start; flex-grow: 1; }
.bf-combo__items li { position: relative; padding-left: 20px; color: #d9dae3; font-size: 14.5px; }
.bf-combo__items li::before { content: "✓"; position: absolute; left: 0; color: var(--bf-yellow); font-weight: 900; }
.bf-combo__old { color: var(--bf-muted); font-size: 14px; margin: 0 0 4px; }
.bf-combo__price { font-family: var(--font-heading); font-weight: 900; font-size: 2rem; color: var(--bf-yellow); line-height: 1.1; margin: 0; }
.bf-combo__price small { font-size: 15px; color: var(--bf-muted); font-weight: 700; }
.bf-combo__cash { color: #fff; font-size: 14px; margin: 4px 0 18px; }
.bf-combo__actions { display: grid; gap: 10px; }
.bf-combo__actions .bf-btn { padding: 14px 12px; font-size: 14px; }

.bf-legal { color: var(--bf-muted); font-size: 12px; padding: 24px 16px; background: var(--bf-bg); }
.bf-legal p { margin: 0; }

/* ---------- Breakpoints (mobile-first) ---------- */
@media (min-width: 768px) {
  .bf-hero { padding: 72px 0 80px; }
  .bf-profs { grid-template-columns: repeat(2, 1fr); }
  .bf-combos { grid-template-columns: repeat(2, 1fr); }
  .bf-course { padding: 28px 32px; }
}
@media (min-width: 1024px) {
  .bf-hero__inner { grid-template-columns: 1.25fr .9fr; gap: 56px; }
  .bf-final { grid-template-columns: 1.1fr .9fr; gap: 56px; }
  .bf-section { padding: 88px 0; }
}
@media (min-width: 1280px) {
  .bf-combos { grid-template-columns: repeat(4, 1fr); }
}