:root{
  --bg:#0b0c0e;
  --bg-raised:#141618;
  --border:#26292e;
  --text:#e9e7e3;
  --muted:#8b8f96;
  --accent:#e8463d;
  --accent-soft:rgba(232,70,61,.12);
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.5;
}

.nav{
  position:sticky; top:0; z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  padding:1.1rem 2rem;
  background:rgba(11,12,14,.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.logo{display:flex; align-items:center; gap:.6rem; text-decoration:none; color:var(--text); font-family:var(--mono); font-weight:600; letter-spacing:.2px}
.logo em{color:var(--accent); font-style:normal}
.nav-links{display:flex; gap:2rem}
.nav-links a{color:var(--muted); text-decoration:none; font-size:.92rem; transition:color .15s ease}
.nav-links a:hover{color:var(--text)}
.hamburger{display:none; flex-direction:column; gap:5px; background:none; border:none; cursor:pointer; padding:.4rem}
.hamburger span{width:22px; height:2px; background:var(--text)}

main{max-width:920px; margin:0 auto; padding:0 2rem}

.hero{padding:6rem 0 5rem; border-bottom:1px solid var(--border)}
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:.5rem;
  font-family:var(--mono); font-size:.8rem; color:var(--muted);
  border:1px solid var(--border); border-radius:999px; padding:.35rem .9rem;
  margin-bottom:1.6rem;
}
.dot{width:7px; height:7px; border-radius:50%; background:#3ecf8e; box-shadow:0 0 0 3px rgba(62,207,142,.15)}
.hero h1{
  font-family:var(--mono); font-size:clamp(2.6rem, 6vw, 4.2rem);
  margin:0 0 .5rem; font-weight:700; letter-spacing:-1px;
}
.hero-role{font-size:1.15rem; color:var(--accent); margin:0 0 1.2rem; font-weight:600}
.hero-desc{max-width:540px; color:var(--muted); font-size:1.05rem; margin:0 0 2.2rem}
.hero-actions{display:flex; gap:1rem; flex-wrap:wrap}

.btn{
  display:inline-block; padding:.8rem 1.5rem; border-radius:8px;
  text-decoration:none; font-weight:600; font-size:.95rem;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
  border:1px solid transparent; cursor:pointer;
}
.btn-primary{background:var(--accent); color:#fff}
.btn-primary:hover{background:#d63a31; transform:translateY(-1px)}
.btn-ghost{background:transparent; color:var(--text); border-color:var(--border)}
.btn-ghost:hover{border-color:var(--accent); color:var(--accent)}

.stack{padding:4rem 0; border-bottom:1px solid var(--border)}
.stack h2, .proyectos h2, .contacto h2{
  font-family:var(--mono); font-size:1.5rem; margin:0 0 2rem; letter-spacing:-.3px;
}
.stack-grid{display:grid; grid-template-columns:repeat(4, 1fr); gap:1px; background:var(--border); border:1px solid var(--border); border-radius:10px; overflow:hidden}
.stack-item{background:var(--bg-raised); padding:1.4rem 1.2rem; display:flex; flex-direction:column; gap:.4rem}
.stack-label{font-family:var(--mono); font-size:.72rem; color:var(--muted); text-transform:uppercase; letter-spacing:.08em}
.stack-value{font-size:.95rem; font-weight:600}

.proyectos{padding:4rem 0; border-bottom:1px solid var(--border)}
.proyectos-grid{display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:1.2rem}
.proyecto-card{
  background:var(--bg-raised); border:1px solid var(--border); border-radius:10px;
  padding:1.6rem; transition:border-color .15s ease, transform .15s ease;
}
.proyecto-card:hover{border-color:var(--accent); transform:translateY(-2px)}
.proyecto-tag{
  font-family:var(--mono); font-size:.72rem; color:var(--accent);
  text-transform:uppercase; letter-spacing:.08em;
}
.proyecto-card h3{font-size:1.05rem; margin:.6rem 0 .6rem}
.proyecto-card p{color:var(--muted); font-size:.92rem; margin:0}

.contacto{padding:4rem 0 5rem}
.contacto-desc{color:var(--muted); margin:-1.2rem 0 2rem}
.contacto-form{max-width:480px}
.form-row{margin-bottom:1.1rem; display:flex; flex-direction:column; gap:.4rem}
.form-row label{font-family:var(--mono); font-size:.78rem; color:var(--muted)}
.form-row input, .form-row textarea{
  background:var(--bg-raised); border:1px solid var(--border); border-radius:8px;
  padding:.7rem .9rem; color:var(--text); font-family:var(--sans); font-size:.95rem;
  resize:vertical;
}
.form-row input:focus, .form-row textarea:focus{outline:none; border-color:var(--accent)}
.honeypot{position:absolute; left:-9999px; opacity:0}
.form-status{font-size:.85rem; color:var(--muted); min-height:1.2em; margin:.8rem 0 0}

.site-footer{
  border-top:1px solid var(--border); padding:2rem;
  text-align:center; color:var(--muted); font-size:.85rem; font-family:var(--mono);
}

@media (max-width: 720px){
  .stack-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{
    position:fixed; top:64px; left:0; right:0; background:var(--bg);
    flex-direction:column; padding:1rem 2rem; border-bottom:1px solid var(--border);
    transform:translateY(-130%); transition:transform .2s ease;
  }
  .nav-links.open{transform:translateY(0)}
  .hamburger{display:flex}
}