/* =========================
   Paleta Evangelion + base
   ========================= */
:root{
  --bg: #0b0b10;           /* negro abismo */
  --surface: #11121a;      /* capa sutil */
  --surface-2:#171827;
  --text: #e6e8ef;         /* blanco suave */
  --muted:#a5acc1;

  --eva-purple:#5630A6;    /* Unidad-01 */
  --eva-lime:#A6FF00;      /* neón */
  --eva-orange:#FF6A00;    /* acento alerta */
  --eva-magenta:#FF2E8B;   /* acento pop */
  --border:#272a3f;

  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  background: radial-gradient(1200px 800px at 10% -10%, rgba(86,48,166,.15), transparent 60%) ,
              radial-gradient(1000px 600px at 110% 10%, rgba(166,255,0,.08), transparent 60%) ,
              var(--bg);
  color:var(--text);
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  line-height:1.7;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Tipografía */
h1,h2,h3,h4{
  font-family: "Space Grotesk", ui-sans-serif, system-ui;
  letter-spacing: .2px;
  line-height:1.2;
  margin: 0 0 .4rem 0;
}
h1{ font-size: clamp(2rem, 3.8vw, 3rem); }
h2{ font-size: clamp(1.5rem, 2.6vw, 2rem); }
h3{ font-size: 1.25rem; }

p{ margin: .6rem 0 1rem; color: var(--text); }
em{ color: var(--muted); }
hr{ border:0; height:1px; background: linear-gradient(90deg, transparent, var(--border), transparent); margin:2rem 0; }

/* Links y botones */
a{ color: var(--eva-lime); text-decoration: none; }
a:hover{ text-decoration: underline; text-underline-offset: 3px; }

.btn{
  display:inline-block;
  padding:.7rem 1rem;
  border-radius: calc(var(--radius) - 6px);
  background: linear-gradient(135deg, var(--eva-purple), #2f1f61);
  color:white;
  border:1px solid #3c2a79;
  box-shadow: var(--shadow);
  transition: transform .08s ease, box-shadow .2s ease, filter .2s ease;
}
.btn:hover{ transform: translateY(-1px); filter: saturate(1.1); }

/* Layout */
.container{
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.2rem 4rem;
}

/* Header / Nav */
.site-header{
  position: sticky; top:0; z-index:10;
  backdrop-filter: blur(6px);
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav{
  max-width: 980px;
  margin: 0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding: .8rem 1.2rem;
}
.brand{
  font-family:"Space Grotesk";
  font-size:1.15rem; font-weight:700;
  color:white;
  background: linear-gradient(90deg, var(--eva-lime), var(--eva-purple));
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
}
.nav-links a{
  margin-left: 1rem;
  padding:.35rem .55rem;
  border-radius:10px;
  color: var(--text);
}
.nav-links a:hover{
  background: var(--surface);
  color: white;
}

/* Tarjetas (proyectos/blog) */
.card{
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border:1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}
.card h2 a{ color:white; }
.card .meta{ color: var(--muted); font-size:.95rem; }

/* Contenido */
main img{ max-width:100%; border-radius: 12px; }
code, pre{
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}
pre{
  background: #0f1020;
  padding:1rem; border-radius:12px;
  border:1px solid #2a2d45; overflow:auto;
}
blockquote{
  margin:1rem 0; padding: .8rem 1rem;
  border-left: 4px solid var(--eva-purple);
  background: #0f1020;
  border-radius: 8px;
  color: #d9dbeb;
}

/* Listas de blog/proyectos más bonitas */
.article-list article{
  padding: 1.1rem 1rem;
  border:1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  margin: 1rem 0;
}
.article-list h2{ margin-bottom:.25rem; }
.article-list .read-more{ display:inline-block; margin-top:.4rem; }

/* Footer */
.site-footer{
  border-top:1px solid var(--border);
  padding: 2rem 1.2rem;
  color: var(--muted);
  text-align:center;
}

/* Accesibilidad */
:focus-visible{
  outline: 2px solid var(--eva-lime);
  outline-offset: 3px;
}

/* Selección de texto */
::selection{
  background: color-mix(in oklab, var(--eva-lime) 35%, transparent);
  color: #121212;
}

.hero-img {
  display: block;
  margin: 1.5rem auto;
  max-width: 280px;
  border-radius: 50%;
  border: 3px solid var(--eva-lime);
  box-shadow: var(--shadow);
}