:root {
    --bg: #121212;
    --card: #1E1E1E;
    --text: #eee;
    --accent: linear-gradient(90deg,pink, violet, skyblue);
  }

  body {
    margin: 0;
    font-family: 'Poppins', sans-serif;
    background: var(--bg);
    color: var(--text);
  }

  a { color: var(--text); text-decoration: none; }
  a:hover { text-decoration: underline; }

  .header-nav {
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--card);
   position: sticky;
  /*
    position: fixed;
   */
    top: 0vh; left: 0; right: 0;
    z-index: 10;
  }

  .header-nav h1 {
    background: var(--accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.5rem;
  }

  .header-nav nav a {
    margin-left: 1rem;
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    background: var(--accent);
    color: #fff;
    font-weight: 500;
    transition: 0.3s;
  }

  .header-nav nav a:hover {
    opacity: 0.8;
  }

  .layout {
    margin-top: 9vh;
    display: grid;
    grid-template-columns: 200px 1fr 200px;
    gap: 1rem;
    padding: 1rem;
  }

  aside {
    background: var(--card);
    padding: 1rem;
    border-radius: 12px;
    height: fit-content;
  }

  .view {
    display: none;
  }

  .view.active {
    display: block;
  }

  .perfil .portada {
    height: 180px;
    background: url('/imgs/IMG_20251014_135622.jpg') center/cover;
    position: relative;
    border-radius: 12px 12px 0 0;
  }

  .perfil .foto-perfil {
    position: absolute;
    bottom: -40px;
    left: 24px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 4px solid var(--card);
    background: url('/imgs/mushrooms.png') center/cover;
  }

  .perfil .info {
    margin-top: 50px;
    padding: 1rem;
  }

  .categoria {
    background: var(--card);
    padding: 1rem;
    margin: 0.5rem 0;
    border-radius: 8px;
  }

  .categoria:hover { opacity: 0.8; cursor: pointer; }

  iframe {
    width: 100%;
    border-radius: 12px;
    border: none;
    margin-top: 1rem;
  }

  .view-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0;
  }

  .view-toggle label {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    font-weight: 500;
    transition: 0.3s;
  }

  .view-toggle label:hover { opacity: 0.8; }

  /* ------------------ RESPONSIVE ------------------ */
  @media (max-width: 900px) {
    .layout {
      grid-template-columns: 1fr; /* todo en columna */
      padding: 0.5rem;
    }

    aside {
      margin-bottom: 1rem;
      width: 100%;
    }

    .header-nav {
      flex-direction: column;
      align-items: flex-start;
      gap: 0.5rem;
      padding: 1rem;
    }

    .header-nav nav a {
      margin-left: 0;
      margin-right: 0.5rem;
      margin-bottom: 0.5rem;
    }

    iframe { height: 300px; }
  }