.topbar {
  width: 100%;
  padding: 18px 32px;
  background: rgba(5, 7, 10, 0.82);
  backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand { display: flex; align-items: center; gap: 14px; letter-spacing: 1.5px; text-transform: uppercase; font-weight: 300; font-size: 13px; }
.logo {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--gold-gradient);
  display: flex; align-items: center; justify-content: center;
  color: #000; font-weight: 900;
  box-shadow: 0 0 18px rgba(191, 149, 63, 0.35);
  transform: rotate(-5deg);
}
.brand small { font-size: 8.5px; opacity: 0.6; letter-spacing: 2px; display: block; }

.live-badge {
  display: inline-flex; align-items: center; gap: 9px;
  background: rgba(220, 38, 38, 0.15);
  border: 1px solid rgba(220, 38, 38, 0.3);
  color: #ff6b6b;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}
.live-badge .pulse {
  width: 8px; height: 8px;
  background: #ff4d4d;
  border-radius: 50%;
  box-shadow: 0 0 12px #ff4d4d;
  animation: pulse 1.4s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.hero { padding: 38px 24px 18px; text-align: center; max-width: 920px; margin: 0 auto; }
.hero .eyebrow { color: var(--gold-strong); text-transform: uppercase; font-size: 11.5px; letter-spacing: 5px; display: block; margin-bottom: 12px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4.6vw, 48px);
  margin: 0 0 10px;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 5px 14px rgba(0,0,0,0.5));
  font-weight: 700;
}
.hero p { color: var(--text-dim); max-width: 600px; margin: 0 auto; font-weight: 300; }

.content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 28px;
  padding: 0 32px 40px;
  max-width: 1500px;
  margin: 0 auto;
}

.video-card {
  background: #000;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-deep);
  position: relative;
  aspect-ratio: 16 / 9;
}
.video-card.placeholder-mode { display: flex; align-items: center; justify-content: center; color: var(--text-dim); font-size: 14px; }
.video-card video, .video-card iframe {
  width: 100%; height: 100%;
  position: absolute; top: 0; left: 0;
  background: #000;
  border: 0;
}
.video-card iframe { object-fit: contain; }
.video-card video { object-fit: contain; }

.under-video {
  margin-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px;
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  gap: 14px;
}
.lesson-info h2 { font-size: 21px; margin: 0 0 4px; font-weight: 500; }
.lesson-info p { margin: 0; color: var(--text-dim); font-size: 13px; }
.watching {
  background: rgba(255, 255, 255, 0.05);
  padding: 8px 18px;
  border-radius: 12px;
  font-size: 13px;
  color: var(--gold-strong);
  border: 1px solid var(--gold-soft);
  white-space: nowrap;
}

.cta-under {
  margin-top: 16px;
  display: none;
}
.cta-under.active { display: block; }

.offer-box {
  margin-top: 22px;
  background: #000;
  padding: 32px;
  border-radius: var(--radius-xl);
  border: 1px solid transparent;
  background-image: linear-gradient(#000, #000), var(--gold-gradient);
  background-origin: border-box;
  background-clip: content-box, border-box;
  text-align: center;
  display: none;
  animation: fadeInUp 0.7s ease forwards;
  position: relative;
}
.offer-box.active { display: block; }
.offer-box h3 { font-family: var(--font-display); font-size: 26px; color: var(--gold-strong); margin: 0 0 8px; }
.offer-box p.offer-desc { color: var(--text-dim); margin: 0 0 18px; }
.offer-prices { display: flex; gap: 16px; justify-content: center; align-items: baseline; margin: 12px 0; }
.offer-prices .promo { font-family: var(--font-display); font-size: 38px; color: var(--gold-strong); font-weight: 700; }
.offer-prices .original { color: var(--text-faint); text-decoration: line-through; font-size: 16px; }
.offer-benefits { text-align: left; margin: 16px auto; max-width: 380px; }
.offer-benefits li { padding: 6px 0; color: var(--text-dim); font-size: 14px; }
.offer-timer {
  display: inline-flex; gap: 10px;
  font-family: var(--font-display);
  background: rgba(0,0,0,0.5);
  border: 1px solid var(--gold-soft);
  border-radius: 12px;
  padding: 10px 18px;
  font-size: 18px;
  color: var(--gold-strong);
  margin: 8px 0 18px;
}

.cta-button {
  margin-top: 20px;
  display: inline-block;
  width: 100%;
  padding: 18px 24px;
  border-radius: 14px;
  background: var(--gold-gradient);
  color: #000;
  text-decoration: none;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 10px 30px rgba(191, 149, 63, 0.4);
  border: none;
  cursor: pointer;
  font-size: 14.5px;
}
.cta-button:hover { transform: translateY(-3px) scale(1.01); box-shadow: 0 18px 38px rgba(191, 149, 63, 0.55); text-decoration: none; }

.cta-sticky {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  padding: 14px 18px;
  background: rgba(5,7,10,0.95);
  border-top: 1px solid var(--gold-soft);
  z-index: 90;
  display: none;
  backdrop-filter: blur(10px);
}
.cta-sticky.active { display: block; }
.cta-sticky .cta-button { width: 100%; padding: 14px; font-size: 13px; }
@media (min-width: 1025px) { .cta-sticky { display: none !important; } }

/* Chat concierge */
.chat-card {
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  height: min(720px, calc(100vh - 160px));
  position: sticky;
  top: 110px;
  min-height: 500px;
}
.chat-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--glass-border);
  font-family: var(--font-display);
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.chat-header strong { font-size: 18px; }
.chat-header .chat-status { font-size: 11px; text-transform: uppercase; color: var(--gold-strong); letter-spacing: 1.5px; }
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.chat-messages::-webkit-scrollbar { width: 0; height: 0; display: none; }

.msg {
  padding: 10px 14px;
  background: rgba(255,255,255,0.03);
  border-radius: 13px;
  border-left: 2px solid transparent;
  font-size: 14px;
  word-break: break-word;
  animation: msg-in 0.25s ease;
}
@keyframes msg-in { from { opacity: 0; transform: translateY(6px); } }
.msg.host, .msg.suporte { background: rgba(191, 149, 63, 0.08); border-left-color: var(--gold-strong); }
.msg.sistema { background: rgba(59, 130, 246, 0.06); border-left-color: var(--info); font-style: italic; }
.msg.mine { background: rgba(255,255,255,0.07); border-left-color: rgba(255,255,255,0.4); }
.msg .name { font-size: 11px; text-transform: uppercase; color: var(--gold-strong); margin-bottom: 4px; display: block; font-weight: 700; letter-spacing: 1px; }
.msg.mine .name { color: var(--text-dim); }
.msg.sistema .name { color: var(--info); }

.chat-input {
  padding: 16px 18px;
  background: rgba(0,0,0,0.25);
  border-top: 1px solid var(--glass-border);
  display: flex;
  gap: 10px;
  align-items: center;
}
.chat-input input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 1px solid var(--glass-border);
  padding: 13px 14px;
  border-radius: 12px;
}
.chat-input input:focus { border-color: var(--gold-strong); }
.chat-send {
  flex: 0 0 auto;
  border: 0;
  border-radius: 12px;
  padding: 13px 16px;
  background: var(--gold-gradient);
  color: #000;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(191, 149, 63, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.chat-send:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(191, 149, 63, 0.42); }
.chat-send:active { transform: translateY(0); }

/* Toast prova social */
.social-toast {
  position: fixed;
  left: 18px;
  bottom: 18px;
  background: rgba(10,13,18,0.95);
  border: 1px solid var(--gold-soft);
  border-radius: 14px;
  padding: 14px 16px 14px 14px;
  display: flex; gap: 12px; align-items: flex-start;
  max-width: 320px;
  z-index: 80;
  animation: toast-in-left 0.4s ease, toast-out-left 0.4s ease 5.6s forwards;
  box-shadow: 0 18px 40px rgba(0,0,0,0.55);
}
.social-toast .avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--gold-gradient);
  color: #000;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900;
  font-size: 16px;
  flex-shrink: 0;
}
.social-toast .body { font-size: 13px; line-height: 1.4; }
.social-toast .body strong { color: var(--gold-strong); }
.social-toast .body small { display: block; color: var(--text-faint); font-size: 11px; margin-top: 3px; }
@keyframes toast-in-left { from { opacity: 0; transform: translateX(-20px); } }
@keyframes toast-out-left { to { opacity: 0; transform: translateX(-20px); } }

/* Gate */
.gate-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5,7,10,0.92);
  backdrop-filter: blur(12px);
  z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.gate-card {
  background: var(--dark-bg-2);
  border: 1px solid var(--gold-soft);
  border-radius: var(--radius-xl);
  padding: 36px 32px;
  max-width: 460px;
  width: 100%;
  box-shadow: var(--shadow-deep);
}
.gate-card h2 {
  font-family: var(--font-display);
  font-size: 26px;
  margin: 0 0 8px;
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.gate-card p { color: var(--text-dim); font-size: 14px; margin: 0 0 22px; }
.gate-card .field { margin-bottom: 12px; }
.gate-card .cta-button { margin-top: 14px; }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* Mobile */
@media (max-width: 1024px) {
  .content { grid-template-columns: 1fr; padding: 18px; gap: 18px; }
  .chat-card { height: 460px; position: static; min-height: 380px; }
  .topbar { padding: 14px 18px; }
  .hero { padding: 26px 18px 14px; }
  .under-video { flex-direction: column; align-items: stretch; gap: 12px; }
  .watching { align-self: flex-start; }
  body.has-sticky-cta { padding-bottom: 86px; }
}