@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .brand {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-logo { width: 8rem; }

  .rail {
    grid-auto-columns: 88%;
  }

  .foot {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  html { padding: .6rem; }
  body { font-size: 16px; }

  .screen {
    min-height: auto;
    display: block;
  }

  .shell {
    border-radius: 1.25rem;
    padding: 1rem;
  }

  .brand { margin-bottom: .75rem; }
  .brand-tag { font-size: .95rem; }

  .title {
    font-size: clamp(2rem, 10vw, 2.8rem);
    line-height: 1.02;
  }

  .bio { font-size: 1rem; }

  .now { padding: .8rem .9rem; }
  .now-text { font-size: .95rem; }

  .pill {
    padding: .45rem .65rem;
    font-size: .9rem;
  }

  .link-btn {
    padding: .75rem .9rem;
    font-size: .95rem;
  }

  .rail { grid-auto-columns: 92%; }
  .card { padding: .9rem; }

  .foot { margin-top: .75rem; font-size: .9rem; }
}

/* Pantallas + pequeñas */

@media (max-height: 740px) {
  .brand { margin-bottom: .5rem; }
  .meta { margin-top: .8rem; }
  .hint { display: none; }
}