.sds-project-mark {
  position: fixed;
  z-index: 180;
  left: max(14px, env(safe-area-inset-left));
  bottom: max(14px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: 34px auto;
  align-items: center;
  gap: 10px;
  min-height: 50px;
  padding: 7px 13px 7px 8px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  background: rgba(11, 12, 15, .88);
  box-shadow: 0 12px 34px rgba(0, 0, 0, .22);
  color: #f4efe7;
  font-family: Arial, sans-serif;
  line-height: 1.05;
  text-decoration: none;
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  transition: transform .25s ease, background-color .25s ease, border-color .25s ease;
}

.sds-project-mark:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, .34);
  background: rgba(11, 12, 15, .96);
}

.sds-project-mark:focus-visible {
  outline: 3px solid #f4efe7;
  outline-offset: 3px;
}

.sds-project-mark img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: 50%;
}

.sds-project-mark span,
.sds-project-mark strong,
.sds-project-mark small {
  display: block;
}

.sds-project-mark strong {
  margin: 0;
  color: inherit;
  font: 700 10px/1.1 Arial, sans-serif;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.sds-project-mark small {
  margin-top: 4px;
  color: rgba(244, 239, 231, .72);
  font: 500 9px/1.1 Arial, sans-serif;
  letter-spacing: .04em;
}

@media (max-width: 520px) {
  .sds-project-mark {
    left: max(10px, env(safe-area-inset-left));
    bottom: max(10px, env(safe-area-inset-bottom));
    grid-template-columns: 28px auto;
    min-height: 40px;
    gap: 8px;
    padding: 5px 10px 5px 6px;
  }

  .sds-project-mark img {
    width: 28px;
    height: 28px;
  }

  .sds-project-mark strong {
    font-size: 0;
  }

  .sds-project-mark small {
    margin-top: 2px;
    font-size: 0;
  }

  .sds-project-mark strong::after { content: "SDS"; font-size: 9px; }
  .sds-project-mark small::after { content: "Voltar ao estúdio"; font-size: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .sds-project-mark {
    transition: none;
  }
}