* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    background: #0b0b0f;
    background-image:
      radial-gradient(circle at 20% 30%, rgba(0, 255, 200, 0.02) 0%, transparent 30%),
      radial-gradient(circle at 80% 70%, rgba(255, 0, 200, 0.02) 0%, transparent 40%);
    font-family: 'Space Grotesk', 'JetBrains Mono', monospace;
    color: #b7f0e0;
    padding: 1.5rem 1.2rem;
    min-height: 100vh;
    line-height: 1.6;
    letter-spacing: 0.3px;
  }

  /* Efecto CRT leve */
  body::after {
    content: '';
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    pointer-events: none;
    background: repeating-linear-gradient(0deg, rgba(0,0,0,0.03) 0px, rgba(0,0,0,0.03) 2px, transparent 2px, transparent 6px);
    z-index: 999;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
  }

  /* ---------- TIPOGRAFÍA Y ACENTOS ---------- */
  h1, h2, h3 {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-transform: uppercase;
  }

  h1 {
    font-size: 2.8rem;
    color: #00ffc8;
    text-shadow: 0 0 8px rgba(0, 255, 200, 0.3), 0 0 20px rgba(0, 255, 200, 0.1);
    margin-bottom: 0.2rem;
  }

  h1 small {
    font-size: 1rem;
    color: #ff44b0;
    text-shadow: 0 0 8px #ff44b0;
    font-weight: 300;
    margin-left: 0.5rem;
  }

  .subhead {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 300;
    color: #7aaaff;
    border-left: 3px solid #ff44b0;
    padding-left: 1.2rem;
    margin-bottom: 2.8rem;
    font-size: 1.05rem;
    text-shadow: 0 0 6px rgba(122, 170, 255, 0.2);
    letter-spacing: 0.5px;
  }

  .subhead i {
    color: #00ffc8;
    margin-right: 8px;
  }

  a { text-decoration: none; color: inherit; }

  /* ---------- BOTONES ---------- */
  .btn {
    display: inline-block;
    background: transparent;
    color: #00ffc8;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    padding: 0.65rem 1.8rem;
    border-radius: 0px;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border: 1.5px solid #00ffc8;
    box-shadow: 0 0 10px rgba(0, 255, 200, 0.1);
    transition: all 0.2s ease;
    cursor: pointer;
    background: rgba(0, 255, 200, 0.02);
  }

  .btn:hover {
    background: #00ffc8;
    color: #0b0b0f;
    box-shadow: 0 0 30px rgba(0, 255, 200, 0.3);
    border-color: #00ffc8;
    transform: scale(1.02);
  }

  .btn-outline {
    color: #ff44b0;
    border-color: #ff44b0;
    box-shadow: 0 0 10px rgba(255, 68, 176, 0.08);
    background: rgba(255, 68, 176, 0.02);
  }

  .btn-outline:hover {
    background: #ff44b0;
    color: #0b0b0f;
    border-color: #ff44b0;
    box-shadow: 0 0 30px rgba(255, 68, 176, 0.3);
  }

  .btn-back {
    border-color: #7aaaff;
    color: #7aaaff;
    background: rgba(122, 170, 255, 0.02);
  }
  .btn-back:hover {
    background: #7aaaff;
    color: #0b0b0f;
    border-color: #7aaaff;
    box-shadow: 0 0 30px rgba(122, 170, 255, 0.3);
  }

  /* ---------- HOME: GRID DE VENTANAS (3 COLUMNAS) ---------- */
  .home-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
    margin: 3rem 0 4rem;
  }

  .card {
    background: rgba(11, 11, 15, 0.75);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(0, 255, 200, 0.15);
    border-radius: 0px;
    padding: 2rem 1.8rem 2.2rem;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.6), inset 0 0 30px rgba(0, 255, 200, 0.02);
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
    position: relative;
  }

  .card::before {
    content: '▶';
    position: absolute;
    top: 12px;
    right: 18px;
    color: #ff44b0;
    font-size: 0.9rem;
    opacity: 0.5;
  }

  .card:hover {
    border-color: #00ffc8;
    box-shadow: 0 0 40px rgba(0, 255, 200, 0.08), inset 0 0 20px rgba(0, 255, 200, 0.02);
    transform: translateY(-4px);
  }

  .card-icon {
    font-size: 2.6rem;
    color: #7aaaff;
    margin-bottom: 0.8rem;
    filter: drop-shadow(0 0 8px rgba(122, 170, 255, 0.2));
  }

  .card h3 {
    font-size: 1.5rem;
    color: #ff44b0;
    text-shadow: 0 0 10px rgba(255, 68, 176, 0.15);
    margin-bottom: 0.5rem;
  }

  .card p {
    color: #b0d0e0;
    font-weight: 300;
    margin-bottom: 1.8rem;
    flex: 1;
    font-size: 0.95rem;
  }

  .card .btn {
    align-self: flex-start;
  }

  /* ---------- CONTACTO (HOME) ---------- */
  .contact-section {
    margin: 4rem 0 2rem;
    padding: 2rem 2.5rem;
    background: rgba(0, 255, 200, 0.03);
    border: 1px solid rgba(0, 255, 200, 0.15);
    border-radius: 0px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.4);
  }

  .contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem 2.5rem;
  }

  .contact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    color: #b7f0e0;
    font-family: 'JetBrains Mono', monospace;
  }

  .contact-item i {
    font-size: 1.4rem;
    color: #ff44b0;
    width: 1.8rem;
    text-shadow: 0 0 8px rgba(255, 68, 176, 0.2);
  }

  .contact-item span .contact-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 600;
    color: #7aaaff;
    margin-right: 0.4rem;
    opacity: 0.7;
  }

  .contact-tag {
    color: #00ffc8;
    font-size: 0.85rem;
    border: 1px solid rgba(0, 255, 200, 0.2);
    padding: 0.2rem 1rem;
    border-radius: 0px;
  }

  /* ---------- PÁGINAS INTERNAS ---------- */
  .page {
    display: none;
    animation: scanIn 0.35s ease;
  }

  .page.active {
    display: block;
  }

  @keyframes scanIn {
    0% { opacity: 0; clip-path: inset(0 0 100% 0); }
    100% { opacity: 1; clip-path: inset(0 0 0 0); }
  }

  .page-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    border-bottom: 1px solid rgba(0, 255, 200, 0.1);
    padding-bottom: 1rem;
  }

  .page-header h2 {
    font-size: 2.2rem;
    color: #7aaaff;
    text-shadow: 0 0 12px rgba(122, 170, 255, 0.15);
  }

  .page-header h2 i {
    color: #ff44b0;
    margin-right: 12px;
  }

  .page-desc {
    color: #8fb0c0;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 300;
    margin-bottom: 2rem;
    border-left: 2px solid #ff44b0;
    padding-left: 1.2rem;
  }

  /* ---------- GALERÍA DE PROYECTOS ---------- */
  .project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
  }

  .project-item {
    background: rgba(11, 11, 15, 0.7);
    backdrop-filter: blur(2px);
    border: 1px solid rgba(0, 255, 200, 0.08);
    border-radius: 0px;
    overflow: hidden;
    transition: all 0.2s ease;
    box-shadow: 0 0 20px rgba(0,0,0,0.3);
  }

  .project-item:hover {
    border-color: #ff44b0;
    box-shadow: 0 0 40px rgba(255, 68, 176, 0.05);
    transform: scale(1.01);
  }

  .project-media {
    width: 100%;
    aspect-ratio: 16 / 10;
    background: #15151e;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #5a7a7a;
    font-size: 0.8rem;
    overflow: hidden;
    position: relative;
    border-bottom: 1px solid rgba(0, 255, 200, 0.05);
  }

  .project-media img,
  .project-media video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: contrast(1.1) saturate(1.2);
  }

  .project-media i {
    font-size: 3.2rem;
    opacity: 0.25;
    color: #7aaaff;
    text-shadow: 0 0 20px rgba(122, 170, 255, 0.1);
  }

  .project-body {
    padding: 1.2rem 1.4rem 1.6rem;
  }

  .project-body h4 {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    color: #00ffc8;
    text-shadow: 0 0 8px rgba(0, 255, 200, 0.1);
    margin-bottom: 0.3rem;
  }

  .project-body p {
    color: #b0c8d0;
    font-weight: 300;
    font-size: 0.9rem;
  }

  /* ---------- UPLOAD HINT ---------- */
  .upload-hint {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    background: rgba(255, 68, 176, 0.05);
    border: 1px solid rgba(255, 68, 176, 0.15);
    padding: 0.2rem 1rem;
    border-radius: 0px;
    color: #ff88c0;
    cursor: pointer;
    transition: 0.15s;
    letter-spacing: 0.5px;
  }

  .upload-hint:hover {
    background: rgba(255, 68, 176, 0.1);
    border-color: #ff44b0;
    color: #ff44b0;
  }

  /* ---------- FOOTER ---------- */
  footer {
    margin-top: 4rem;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: #3a5a5a;
    border-top: 1px solid rgba(0, 255, 200, 0.05);
    padding-top: 2rem;
    letter-spacing: 1px;
  }

  footer i {
    color: #ff44b0;
    opacity: 0.3;
  }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width: 900px) {
    .home-grid { grid-template-columns: repeat(2, 1fr); }
  }

  @media (max-width: 640px) {
    body { padding: 0.8rem; }
    h1 { font-size: 2rem; }
    .home-grid { grid-template-columns: 1fr; }
    .contact-section { flex-direction: column; align-items: flex-start; gap: 1.2rem; padding: 1.5rem; }
    .contact-info { gap: 1rem; }
    .page-header h2 { font-size: 1.6rem; }
  }

  /* destellos glitch */
  .glitch-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #00ffc8;
    margin-right: 10px;
    box-shadow: 0 0 20px #00ffc8;
    animation: pulseDot 1.8s infinite;
  }
  @keyframes pulseDot {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
  }