/* Branding Sun Urban City — thay icon/logo clone site chính thức */
.uc360-branding {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 25;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  pointer-events: none;
}

.uc360-branding > * {
  pointer-events: auto;
}

.uc360-back-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid rgba(254, 185, 56, 0.45);
  background: rgba(8, 6, 14, 0.72);
  color: #feb938;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(8px);
  font-size: 1rem;
  padding: 0;
}

.uc360-back-btn:hover {
  background: rgba(254, 185, 56, 0.18);
  color: #fff;
}

.uc360-branding-copy {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.uc360-slogan {
  margin: 0;
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: clamp(0.75rem, 1.6vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
  cursor: pointer;
}

.uc360-logo-link {
  display: block;
  line-height: 0;
}

.uc360-logo {
  height: clamp(2rem, 4.2vw, 3.25rem);
  width: auto;
  max-width: min(42vw, 220px);
  object-fit: contain;
  filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.35));
}

.uc360-actions {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 25;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.uc360-action-btn {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1px solid rgba(254, 185, 56, 0.45);
  background: rgba(8, 6, 14, 0.72);
  color: #feb938;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  backdrop-filter: blur(8px);
  font-size: 1.05rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.uc360-action-btn:hover {
  background: rgba(254, 185, 56, 0.22);
  color: #fff;
}

@media (max-width: 768px) {
  .uc360-branding {
    padding: calc(0.5rem + env(safe-area-inset-top, 0px)) 0.65rem 0.5rem;
    max-width: calc(100% - 7.5rem);
  }

  .uc360-branding-copy {
    max-width: calc(100vw - 8.5rem);
  }

  .uc360-slogan {
    font-size: 0.62rem;
    letter-spacing: 0.04em;
    line-height: 1.2;
  }

  .uc360-logo {
    height: 1.85rem;
    max-width: min(38vw, 160px);
  }

  .uc360-actions {
    top: calc(0.5rem + env(safe-area-inset-top, 0px));
    right: 0.55rem;
    gap: 0.45rem;
  }

  .uc360-back-btn,
  .uc360-action-btn {
    width: 2.35rem;
    height: 2.35rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 576px) {
  .uc360-branding {
    padding: 0.75rem;
    gap: 0.5rem;
  }
  .uc360-back-btn,
  .uc360-action-btn {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 0.95rem;
  }
}