/* =============================================
       CSS VARIABLES
    ============================================= */
    :root {
      --bg:        #0F172A;
      --bg-card:   #1E293B;
      --bg-muted:  #162033;
      --text:      #F8FAFC;
      --text-muted:#94A3B8;
      --accent:    #38BDF8;
      --accent-dim:#0EA5E9;
      --border:    rgba(56,189,248,.18);
      --radius:    1rem;
      --radius-sm: .625rem;
    }

    /* =============================================
       RESET & BASE
    ============================================= */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    html { scroll-behavior: smooth; }

    body {
      background-color: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, sans-serif;
      font-size: 1rem;
      line-height: 1.6;
      min-height: 100vh;
      -webkit-font-smoothing: antialiased;
    }

    a { color: inherit; text-decoration: none; }
    img { display: block; width: 100%; height: 100%; object-fit: cover; }
    ul { list-style: none; }

    /* =============================================
       LAYOUT WRAPPER
    ============================================= */
    .container {
      width: min(100%, 72rem);
      margin-inline: auto;
      padding-inline: 1.5rem;
    }

/* =============================================
   NAV
============================================= */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15,23,42,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
}

/* --- NUEVO LOGO TECH --- */
.nav-logo-tech {
  display: inline-flex;
  align-items: center;
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.6rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 0.3s ease;
}

.nav-logo-tech .letters {
  background: linear-gradient(90deg, #00FF41, #008F11);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
  margin: 0 4px;
}

.nav-logo-tech .bracket {
  color: #666;
  opacity: 0.8;
  transition: all 0.3s ease;
}

.nav-logo-tech:hover {
  transform: scale(1.05);
}

.nav-logo-tech:hover .bracket {
  color: #00FF41;
  opacity: 1;
  text-shadow: 0 0 10px rgba(0, 255, 65, 0.5);
}
/* ----------------------- */

.nav-links {
  display: flex;
  gap: 1.75rem;
}

.nav-links a {
  font-size: .8rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  transition: color .2s;
}

.nav-links a:hover { color: var(--accent); }

    /* =============================================
       HERO
    ============================================= */
    .hero {
      padding-block: 6rem 4rem;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      align-items: center;
    }

    .hero-tag {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      font-size: .75rem;
      font-weight: 600;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--accent);
      background: rgba(56,189,248,.08);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: .3rem .9rem;
      margin-bottom: 1.5rem;
    }

    .hero-tag::before {
      content: '';
      display: block;
      width: .45rem;
      height: .45rem;
      border-radius: 50%;
      background: var(--accent);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50%       { opacity: .3; }
    }

    .hero h1 {
      font-size: clamp(2.4rem, 5vw, 3.6rem);
      font-weight: 700;
      line-height: 1.1;
      letter-spacing: -.02em;
      color: var(--text);
    }

    .hero h1 span { color: var(--accent); }

    .hero-subtitle {
      margin-top: 1rem;
      font-size: 1.05rem;
      color: var(--text-muted);
      max-width: 36ch;
      line-height: 1.7;
    }

    .hero-cta {
      margin-top: 2rem;
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      padding: .65rem 1.4rem;
      border-radius: var(--radius-sm);
      font-size: .875rem;
      font-weight: 600;
      transition: all .2s;
      cursor: pointer;
      border: none;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--bg);
    }

    .btn-primary:hover {
      background: var(--accent-dim);
    }

    .btn-ghost {
      background: transparent;
      color: var(--text-muted);
      border: 1px solid var(--border);
    }

    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent);
    }

    /* Hero bento card right side */
    .hero-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.75rem;
    }

    .hero-card-row {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding-block: .9rem;
      border-bottom: 1px solid var(--border);
    }
    .hero-card-row:last-child { border-bottom: none; }

    .hero-card-icon {
      width: 2.5rem;
      height: 2.5rem;
      border-radius: .5rem;
      background: rgba(56,189,248,.12);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .hero-card-icon svg { width: 1.1rem; height: 1.1rem; fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

    .hero-card-label {
      font-size: .7rem;
      text-transform: uppercase;
      letter-spacing: .1em;
      color: var(--text-muted);
    }

    .hero-card-value {
      font-size: .875rem;
      font-weight: 600;
    }

    /* =============================================
       SECTION TITLES
    ============================================= */
    section { padding-block: 4rem; }

    .section-header {
      display: flex;
      align-items: center;
      gap: 1rem;
      margin-bottom: 2.5rem;
    }

    .section-header h2 {
      font-size: 1.35rem;
      font-weight: 700;
      letter-spacing: -.01em;
    }

    .section-line {
      flex: 1;
      height: 1px;
      background: var(--border);
    }

    .section-badge {
      font-size: .7rem;
      font-weight: 600;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--accent);
      background: rgba(56,189,248,.08);
      border: 1px solid var(--border);
      border-radius: 999px;
      padding: .25rem .75rem;
    }

    /* =============================================
       PROJECTS GRID
    ============================================= */
    .projects-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.25rem;
    }

    .project-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      transition: border-color .25s, transform .25s;
    }

    .project-card:hover {
      border-color: var(--accent);
      transform: translateY(-4px);
    }

    .project-img {
      height: 11rem;
      overflow: hidden;
      background: var(--bg-muted);
    }

    .project-img img {
      transition: transform .4s;
    }

    .project-card:hover .project-img img {
      transform: scale(1.04);
    }

    .project-body {
      padding: 1.25rem;
    }

    .project-body h3 {
      font-size: .975rem;
      font-weight: 600;
      margin-bottom: .5rem;
    }

    .project-body p {
      font-size: .82rem;
      color: var(--text-muted);
      margin-bottom: 1rem;
      line-height: 1.55;
    }

    .tags {
      display: flex;
      flex-wrap: wrap;
      gap: .4rem;
    }

    .tag {
      font-size: .7rem;
      font-weight: 600;
      letter-spacing: .06em;
      color: var(--accent);
      background: rgba(56,189,248,.08);
      border: 1px solid rgba(56,189,248,.22);
      border-radius: 999px;
      padding: .2rem .65rem;
    }

    /* =============================================
       INFRASTRUCTURE LAB
    ============================================= */
    #infra { background: var(--bg-muted); }

    .infra-wrapper {
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 2rem;
      align-items: start;
    }

    .infra-desc h3 {
      font-size: 1.1rem;
      font-weight: 700;
      color: var(--accent);
      margin-bottom: .75rem;
    }

    .infra-desc p {
      font-size: .88rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: .75rem;
    }

    .infra-stat {
      display: flex;
      align-items: center;
      gap: .6rem;
      margin-top: 1.25rem;
    }

    .infra-stat-dot {
      width: .55rem;
      height: .55rem;
      border-radius: 50%;
      background: var(--accent);
      flex-shrink: 0;
    }

    .infra-stat span {
      font-size: .8rem;
      color: var(--text-muted);
    }

    .infra-stat strong {
      color: var(--text);
      font-weight: 600;
    }

    /* Proxmox diagram */
    .proxmox-diagram {
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .prox-host {
      background: var(--bg-card);
      border: 1px solid var(--accent);
      border-radius: var(--radius);
      overflow: hidden;
    }

    .prox-host-header {
      display: flex;
      align-items: center;
      gap: .75rem;
      padding: .85rem 1.25rem;
      background: rgba(56,189,248,.07);
      border-bottom: 1px solid var(--border);
    }

    .prox-host-dot {
      width: .6rem;
      height: .6rem;
      border-radius: 50%;
      background: var(--accent);
    }

    .prox-host-header span {
      font-size: .8rem;
      font-weight: 700;
      letter-spacing: .06em;
      text-transform: uppercase;
      color: var(--accent);
    }

    .prox-host-header small {
      font-size: .7rem;
      color: var(--text-muted);
      margin-left: auto;
    }

    .prox-vms {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(9rem, 1fr));
      gap: .75rem;
      padding: 1rem 1.25rem;
    }

    .prox-vm {
      background: rgba(15,23,42,.6);
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: .75rem;
    }

    .prox-vm-top {
      display: flex;
      align-items: center;
      gap: .5rem;
      margin-bottom: .35rem;
    }

    .prox-vm-badge {
      font-size: .6rem;
      font-weight: 700;
      letter-spacing: .08em;
      text-transform: uppercase;
      padding: .15rem .5rem;
      border-radius: 999px;
    }

    .badge-lxc {
      background: rgba(56,189,248,.12);
      color: var(--accent);
      border: 1px solid rgba(56,189,248,.3);
    }

    .badge-vm {
      background: rgba(99,102,241,.12);
      color: #818CF8;
      border: 1px solid rgba(99,102,241,.3);
    }

    .prox-vm-name {
      font-size: .8rem;
      font-weight: 600;
    }

    .prox-vm-os {
      font-size: .7rem;
      color: var(--text-muted);
    }

    /* =============================================
       TECH STACK
    ============================================= */
    .stack-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1rem;
    }

    .stack-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.4rem 1.2rem;
      display: flex;
      align-items: center;
      gap: 1rem;
      transition: border-color .2s, transform .2s;
    }

    .stack-item:hover {
      border-color: var(--accent);
      transform: translateY(-2px);
    }

    .stack-icon {
      width: 2.6rem;
      height: 2.6rem;
      border-radius: .6rem;
      background: rgba(56,189,248,.1);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .stack-icon svg { width: 1.2rem; height: 1.2rem; fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

    .stack-name {
      font-size: .875rem;
      font-weight: 600;
    }

    .stack-sub {
      font-size: .72rem;
      color: var(--text-muted);
    }

    /* =============================================
       CONTACT
    ============================================= */
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
    }

    .contact-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1.75rem 2rem;
      display: flex;
      align-items: center;
      gap: 1.5rem;
      transition: border-color .25s, transform .2s;
      text-decoration: none;
    }

    .contact-card:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }

    .contact-icon {
      width: 3rem;
      height: 3rem;
      border-radius: .75rem;
      background: rgba(56,189,248,.1);
      border: 1px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .contact-icon svg { width: 1.3rem; height: 1.3rem; fill: none; stroke: var(--accent); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

    .contact-label {
      font-size: .7rem;
      text-transform: uppercase;
      letter-spacing: .1em;
      color: var(--text-muted);
    }

    .contact-value {
      font-size: 1rem;
      font-weight: 600;
    }

    .contact-arrow {
      margin-left: auto;
      color: var(--text-muted);
      transition: color .2s, transform .2s;
    }

    .contact-card:hover .contact-arrow {
      color: var(--accent);
      transform: translateX(4px);
    }

    /* =============================================
       FOOTER
    ============================================= */
    footer {
      border-top: 1px solid var(--border);
      padding-block: 2rem;
      text-align: center;
    }

    footer p {
      font-size: .78rem;
      color: var(--text-muted);
    }

    footer span { color: var(--accent); }

    /* =============================================
       RESPONSIVE
    ============================================= */
    @media (max-width: 900px) {
      .hero-grid {
        grid-template-columns: 1fr;
      }
      .hero-card { display: none; }
      .projects-grid { grid-template-columns: 1fr 1fr; }
      .stack-grid { grid-template-columns: repeat(2, 1fr); }
      .infra-wrapper { grid-template-columns: 1fr; }
      .contact-grid { grid-template-columns: 1fr; }
    }

    @media (max-width: 560px) {
      .projects-grid { grid-template-columns: 1fr; }
      .stack-grid { grid-template-columns: 1fr 1fr; }
      .nav-links { display: none; }
      .prox-vms { grid-template-columns: 1fr 1fr; }
    }