:root {
    --pf-bg: #0b0b0d;
    --pf-surface: #141416;
    --pf-surface-raised: #1c1c20;
    --pf-border: #2a2a2f;
    --pf-text: #ece9e2;
    --pf-text-dim: #8b8a86;
    --pf-accent: #c8a96a;
    --pf-accent-dim: rgba(200, 169, 106, 0.10);
    --pf-font-display: 'Space Grotesk', sans-serif;
    --pf-font-mono: 'JetBrains Mono', monospace;
    --pf-radius: 10px;
  }
  
  .pf-body {
    margin: 0;
    background: var(--pf-bg);
    color: var(--pf-text);
    font-family: 'Inter', system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
  }
  .pf-body a { color: inherit; text-decoration: none; }
  .pf-body h1, .pf-body h2, .pf-body h3 { font-family: var(--pf-font-display); letter-spacing: -0.01em; margin: 0; }
  
  /* ---------- Textura de fondo tipo circuito ---------- */
  .pf-textura {
    position: fixed;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 26px 26px;
    pointer-events: none;
    z-index: 0;
  }
  
  /* ---------- Nav ---------- */
  .pf-nav {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 6vw;
    background: rgba(11, 11, 13, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--pf-border);
  }
  .pf-nav-logo { display: flex; align-items: center; gap: 8px; font-family: var(--pf-font-mono); font-weight: 600; font-size: 14px; letter-spacing: 0.03em; }
  .pf-nav-logo-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--pf-accent); box-shadow: 0 0 8px var(--pf-accent); }
  .pf-nav-links { display: flex; align-items: center; gap: 6px; }
  .pf-nav-links a {
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--pf-text-dim);
    transition: color 0.2s ease, background 0.2s ease;
  }
  .pf-nav-links a:hover { color: var(--pf-text); background: var(--pf-surface-raised); }
  .pf-nav-links a.pf-activo { color: var(--pf-accent); background: var(--pf-accent-dim); }
  .pf-nav-cta {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--pf-accent); color: #0b0b0d !important;
    padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 700;
    transition: filter 0.2s ease;
  }
  .pf-nav-cta:hover { filter: brightness(1.1); }
  
  /* ---------- Contenedor general ---------- */
  .pf-main { position: relative; z-index: 1; max-width: 1100px; margin: 0 auto; padding: 0 6vw 100px; }
  
  /* ---------- Hero (inicio) ---------- */
  .pf-hero { padding: 90px 0 60px; }
  .pf-hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--pf-font-mono); font-size: 11px; color: var(--pf-accent);
    background: var(--pf-accent-dim); border: 1px solid rgba(200, 169, 106, 0.25);
    padding: 6px 12px; border-radius: 999px; margin-bottom: 24px;
  }
  .pf-hero-badge .pf-dot-vivo { width: 6px; height: 6px; border-radius: 50%; background: var(--pf-accent); animation: pf-pulso 2s ease-in-out infinite; }
  @keyframes pf-pulso { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
  .pf-hero h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.1; margin-bottom: 20px; max-width: 780px; }
  .pf-hero h1 .pf-accent-text { color: var(--pf-accent); }
  .pf-hero p { font-size: 16px; color: var(--pf-text-dim); max-width: 560px; line-height: 1.6; margin-bottom: 32px; }
  .pf-hero-acciones { display: flex; gap: 14px; flex-wrap: wrap; }
  .pf-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 22px; border-radius: 999px; font-size: 14px; font-weight: 600;
    transition: transform 0.2s ease, filter 0.2s ease, border-color 0.2s ease;
  }
  .pf-btn-primary { background: var(--pf-accent); color: #0b0b0d; }
  .pf-btn-primary:hover { filter: brightness(1.1); transform: translateY(-2px); }
  .pf-btn-secondary { border: 1px solid var(--pf-border); color: var(--pf-text); }
  .pf-btn-secondary:hover { border-color: var(--pf-accent); color: var(--pf-accent); transform: translateY(-2px); }
  
  /* ---------- Secciones ---------- */
  .pf-seccion-titulo { display: flex; align-items: baseline; justify-content: space-between; margin: 70px 0 28px; }
  .pf-seccion-titulo h2 { font-size: 22px; }
  .pf-seccion-titulo .pf-ver-todos { font-size: 13px; color: var(--pf-accent); }
  .pf-kicker { font-family: var(--pf-font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--pf-text-dim); margin-bottom: 10px; }
  
  /* ---------- Grid de proyectos ---------- */
  .pf-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
  .pf-card {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: 14px;
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease;
    display: flex;
    flex-direction: column;
  }
  .pf-card:hover { transform: translateY(-4px); border-color: rgba(200, 169, 106, 0.4); }
  .pf-card-img-wrap { aspect-ratio: 16/10; background: var(--pf-surface-raised); overflow: hidden; }
  .pf-card-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .pf-card-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; font-size: 30px; color: var(--pf-border); }
  .pf-card-body { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
  .pf-card-nombre { font-family: var(--pf-font-display); font-size: 16px; font-weight: 700; margin-bottom: 8px; }
  .pf-card-desc { font-size: 13px; color: var(--pf-text-dim); line-height: 1.5; margin-bottom: 14px; flex: 1; }
  .pf-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 4px; }
  .pf-tag {
    font-family: var(--pf-font-mono); font-size: 10.5px;
    background: var(--pf-surface-raised); border: 1px solid var(--pf-border);
    color: var(--pf-text-dim); padding: 3px 9px; border-radius: 999px;
  }
  .pf-card-destacado { border-color: rgba(200, 169, 106, 0.5); }
  .pf-badge-destacado {
    position: absolute; top: 12px; right: 12px;
    font-family: var(--pf-font-mono); font-size: 10px; font-weight: 700;
    background: var(--pf-accent); color: #0b0b0d; padding: 3px 9px; border-radius: 999px;
  }
  .pf-card-img-wrap { position: relative; }
  
  /* ---------- Filtros de biblioteca ---------- */
  .pf-filtros { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
  .pf-filtro {
    font-family: var(--pf-font-mono); font-size: 12px;
    padding: 7px 14px; border-radius: 999px;
    border: 1px solid var(--pf-border); color: var(--pf-text-dim);
    cursor: pointer; background: transparent; transition: all 0.2s ease;
  }
  .pf-filtro:hover { color: var(--pf-text); border-color: var(--pf-text-dim); }
  .pf-filtro.pf-filtro-activo { background: var(--pf-accent-dim); border-color: var(--pf-accent); color: var(--pf-accent); }
  
  /* ---------- Detalle de proyecto ---------- */
  .pf-detalle-header { padding: 60px 0 30px; }
  .pf-volver { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--pf-text-dim); margin-bottom: 24px; }
  .pf-volver:hover { color: var(--pf-accent); }
  .pf-detalle-header h1 { font-size: clamp(28px, 4vw, 42px); margin-bottom: 14px; }
  .pf-detalle-desc { font-size: 16px; color: var(--pf-text-dim); line-height: 1.6; margin-bottom: 24px; }
  .pf-detalle-acciones { display: flex; gap: 12px; margin-bottom: 40px; flex-wrap: wrap; }
  
  .pf-detalle-galeria { display: grid; gap: 14px; margin-bottom: 50px; }
  .pf-detalle-galeria img {
    width: 100%; border-radius: 14px; border: 1px solid var(--pf-border); display: block;
  }
  
  .pf-detalle-cuerpo { font-size: 15px; line-height: 1.8; color: var(--pf-text-dim); white-space: pre-wrap; }
  .pf-detalle-cuerpo strong { color: var(--pf-text); }
  
  /* ---------- Sobre mí ---------- */
  .pf-sobremi-header { padding: 70px 0 20px; }
  .pf-sobremi-header h1 { font-size: clamp(30px, 4.5vw, 46px); margin-bottom: 18px; }
  .pf-sobremi-cuerpo { font-size: 16px; line-height: 1.85; color: var(--pf-text-dim); white-space: pre-wrap; }
  .pf-sobremi-cuerpo p { margin: 0 0 20px; }
  .pf-sobremi-cuerpo strong { color: var(--pf-text); }
  
  .pf-timeline { margin: 50px 0; display: flex; flex-direction: column; gap: 0; max-width: 640px; }
  .pf-timeline-item { position: relative; padding: 0 0 32px 28px; border-left: 1px solid var(--pf-border); }
  .pf-timeline-item:last-child { border-left-color: transparent; padding-bottom: 0; }
  .pf-timeline-item::before {
    content: ''; position: absolute; left: -5px; top: 4px;
    width: 9px; height: 9px; border-radius: 50%; background: var(--pf-accent); box-shadow: 0 0 8px var(--pf-accent);
  }
  .pf-timeline-fecha { font-family: var(--pf-font-mono); font-size: 11px; color: var(--pf-accent); margin-bottom: 4px; }
  .pf-timeline-titulo { font-weight: 700; margin-bottom: 4px; }
  .pf-timeline-desc { font-size: 13.5px; color: var(--pf-text-dim); line-height: 1.5; }
  
  .pf-skills-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
  
  /* ---------- Contacto ---------- */
  .pf-contacto-header { padding: 80px 0 40px; text-align: center; }
  .pf-contacto-header h1 { font-size: clamp(30px, 5vw, 48px); margin-bottom: 16px; }
  .pf-contacto-header p { color: var(--pf-text-dim); font-size: 16px; max-width: 480px; margin: 0 auto; }
  .pf-contacto-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; max-width: 720px; margin: 0 auto; }
  .pf-contacto-card {
    background: var(--pf-surface); border: 1px solid var(--pf-border); border-radius: 14px;
    padding: 24px; text-align: center; transition: transform 0.2s ease, border-color 0.2s ease;
  }
  .pf-contacto-card:hover { transform: translateY(-4px); border-color: var(--pf-accent); }
  .pf-contacto-card i { font-size: 26px; color: var(--pf-accent); margin-bottom: 12px; }
  .pf-contacto-card-titulo { font-weight: 700; margin-bottom: 4px; }
  .pf-contacto-card-sub { font-size: 12.5px; color: var(--pf-text-dim); }
  
  /* ---------- Footer ---------- */
  .pf-footer {
    position: relative; z-index: 1;
    border-top: 1px solid var(--pf-border);
    padding: 32px 6vw;
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  }
  .pf-footer-texto { font-size: 12.5px; color: var(--pf-text-dim); }
  .pf-footer-social { display: flex; gap: 14px; }
  .pf-footer-social a { color: var(--pf-text-dim); font-size: 16px; transition: color 0.2s ease; }
  .pf-footer-social a:hover { color: var(--pf-accent); }
  
  /* ---------- Estado vacío ---------- */
  .pf-vacio { text-align: center; padding: 60px 20px; color: var(--pf-text-dim); font-size: 14px; }
  
  @media (max-width: 700px) {
    .pf-nav { padding: 16px 5vw; }
    .pf-nav-links { display: none; }
    .pf-main { padding: 0 5vw 80px; }
    .pf-hero { padding: 50px 0 40px; }
    .pf-detalle-galeria { grid-template-columns: 1fr; }
  }


/* ---------- Mapa neuronal (inicio) ---------- */
.pf-grafo {
  position: relative;
  width: 100vw;
  left: 50%;
  margin-left: -50vw;          /* rompe el contenedor de 1100px: el mapa ocupa todo el ancho */
  height: calc(100vh - 72px);  /* 72px = alto de la barra de navegación */
  min-height: 520px;
  overflow: hidden;
}
.pf-body { overflow-x: hidden; }
#grafo-lienzo { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }

.pf-grafo-intro { position: absolute; top: 28px; left: 6vw; max-width: 420px; pointer-events: none; z-index: 2; }
.pf-grafo-intro h1 { font-size: clamp(28px, 4vw, 44px); line-height: 1.05; margin-bottom: 14px; }
.pf-grafo-intro p { color: var(--pf-text-dim); font-size: 14px; line-height: 1.6; margin: 0; }
.pf-accent-text { color: var(--pf-accent); }

.pf-grafo-panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(440px, 100%);
  box-sizing: border-box;      /* el padding cuenta dentro del ancho, si no se desborda en móvil */
  padding: 30px 28px 40px;
  background: rgba(20, 20, 22, 0.94);
  backdrop-filter: blur(14px);
  border-left: 1px solid var(--pf-border);
  overflow-y: auto;
  transform: translateX(105%);
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1);
  z-index: 3;
}
.pf-grafo-panel.pf-abierto { transform: translateX(0); }
.pf-grafo-cerrar {
  position: absolute; top: 14px; right: 16px;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--pf-surface-raised); color: var(--pf-text);
  border: 1px solid var(--pf-border); font-size: 20px; line-height: 1; cursor: pointer;
}
.pf-grafo-cerrar:hover { border-color: var(--pf-accent); color: var(--pf-accent); }
.pf-grafo-cab { display: flex; align-items: center; gap: 10px; margin: 6px 0 10px; }
.pf-grafo-cab .pf-kicker { margin: 0; }
.pf-grafo-estado {
  font-family: var(--pf-font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--pf-accent); background: var(--pf-accent-dim);
  border: 1px solid rgba(200, 169, 106, 0.25); padding: 3px 8px; border-radius: 999px;
}
.pf-grafo-titulo { font-size: 28px; margin-bottom: 10px; }
.pf-grafo-corta { color: var(--pf-text-dim); line-height: 1.6; margin: 0 0 18px; }
.pf-grafo-galeria { display: flex; gap: 10px; overflow-x: auto; margin-bottom: 18px; padding-bottom: 4px; }
.pf-grafo-galeria img { height: 170px; border-radius: var(--pf-radius); border: 1px solid var(--pf-border); flex: none; }
.pf-grafo-larga { white-space: pre-line; line-height: 1.7; font-size: 14px; color: var(--pf-text); margin: 18px 0; }
.pf-grafo-acciones { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 8px; }
.pf-grafo-conex-titulo { margin-top: 26px; }
.pf-grafo-conex { display: flex; flex-wrap: wrap; gap: 8px; }
.pf-grafo-chip {
  font: inherit; font-size: 12px; cursor: pointer; color: var(--pf-text);
  background: var(--pf-surface-raised); border: 1px solid var(--pf-border);
  padding: 6px 12px; border-radius: 999px; transition: border-color .2s, color .2s;
}
.pf-grafo-chip:hover { border-color: var(--pf-accent); color: var(--pf-accent); }

/* lista solo para teclado / lectores de pantalla */
.pf-grafo-lista { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); margin: 0; padding: 0; list-style: none; }
.pf-grafo-noscript { position: absolute; top: 40%; width: 100%; text-align: center; color: var(--pf-text-dim); }

@media (max-width: 820px) {
  .pf-grafo-intro { top: 16px; max-width: 70vw; }
  .pf-grafo-panel { top: auto; height: 72%; width: 100%; border-left: 0; border-top: 1px solid var(--pf-border); transform: translateY(105%); }
  .pf-grafo-panel.pf-abierto { transform: translateY(0); }
}

/* ---------- Boton de acceso + menu movil ---------- */
.pf-nav { gap: 12px; }
.pf-nav-links { margin-left: auto; }
.pf-nav-acceso {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px;
  font-family: var(--pf-font-mono); font-size: 12px; letter-spacing: 0.02em;
  color: var(--pf-text-dim); border: 1px solid var(--pf-border);
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}
.pf-nav-acceso:hover { color: var(--pf-accent); border-color: var(--pf-accent); background: var(--pf-accent-dim); }
.pf-nav-acceso-activo { color: var(--pf-accent); border-color: rgba(200, 169, 106, 0.35); }

@media (max-width: 700px) {
  /* En celular el menu ya no se oculta: pasa a una segunda fila con desplazamiento lateral */
  .pf-nav { flex-wrap: wrap; row-gap: 10px; }
  .pf-nav-acceso { margin-left: auto; padding: 7px 12px; }
  .pf-nav-links {
    display: flex; order: 3; width: 100%; margin-left: 0;
    overflow-x: auto; gap: 4px; padding-bottom: 2px; scrollbar-width: none;
  }
  .pf-nav-links::-webkit-scrollbar { display: none; }
  .pf-nav-links a { white-space: nowrap; }
  .pf-grafo { height: calc(100vh - 118px); }   /* la barra ahora mide dos filas */
}