:root {
  --color-bg: #0a0f1e;
  --color-bg-alt: #10192f;
  --color-card: #131f38;
  --color-border: rgba(148, 163, 184, 0.14);
  --color-text: #e7ecf5;
  --color-muted: #94a3b8;
  --color-primary: #17c3b2;
  --color-secondary: #8b5cf6;
  --gradiente: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --radio: 16px;
  --sombra: 0 20px 45px -20px rgba(0, 0, 0, 0.55);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background: radial-gradient(circle at 15% 0%, #14213d 0%, var(--color-bg) 45%) fixed;
  color: var(--color-text);
  line-height: 1.6;
}

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

.contenedor { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* --- Navegacion --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(10, 15, 30, 0.75);
  border-bottom: 1px solid var(--color-border);
}
.nav .contenedor { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-marca { font-weight: 700; letter-spacing: 0.5px; background: var(--gradiente); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 28px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--color-muted); font-size: 14px; font-weight: 600; transition: color .2s ease; }
.nav-links a:hover { color: var(--color-text); }

/* --- Hero --- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 96px 0 72px;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.35;
  z-index: 0;
}
.hero::before { width: 380px; height: 380px; background: var(--color-primary); top: -120px; right: -80px; }
.hero::after { width: 320px; height: 320px; background: var(--color-secondary); bottom: -140px; left: -60px; }
.hero .contenedor { position: relative; z-index: 1; display: grid; grid-template-columns: auto 1fr; gap: 48px; align-items: center; }

.avatar-wrap { position: relative; width: 168px; height: 168px; }
.avatar-wrap img, .avatar-inicial {
  width: 168px; height: 168px; border-radius: 50%; object-fit: cover;
  border: 3px solid transparent;
  background: var(--gradiente) border-box;
  box-shadow: var(--sombra);
}
.avatar-inicial {
  display: flex; align-items: center; justify-content: center;
  font-size: 56px; font-weight: 800; color: #fff;
}
.avatar-pulso {
  position: absolute; inset: -8px; border-radius: 50%;
  border: 2px solid var(--color-primary);
  animation: pulso 2.4s ease-out infinite;
}
@keyframes pulso {
  0% { transform: scale(0.94); opacity: 0.9; }
  80% { transform: scale(1.14); opacity: 0; }
  100% { opacity: 0; }
}

.badge-disponible {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(23, 195, 178, 0.12); color: var(--color-primary);
  font-size: 13px; font-weight: 600; margin-bottom: 16px;
}
.badge-disponible .punto { width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); animation: parpadeo 1.6s ease-in-out infinite; }
@keyframes parpadeo { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

.hero h1 { font-size: clamp(28px, 4vw, 44px); margin: 0 0 6px; }
.hero .titulo { color: var(--color-muted); font-size: 18px; margin: 0 0 18px; font-weight: 500; }
.hero p.resumen { max-width: 620px; color: var(--color-muted); }

.acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.boton {
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 14px;
  transition: transform .2s ease, box-shadow .2s ease; display: inline-flex; align-items: center; gap: 8px;
}
.boton-primario { background: var(--gradiente); color: #fff; box-shadow: 0 10px 25px -8px rgba(139, 92, 246, 0.6); }
.boton-secundario { border: 1px solid var(--color-border); color: var(--color-text); }
.boton:hover { transform: translateY(-3px); }

.redes { display: flex; gap: 14px; margin-top: 20px; }
.redes a {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center; transition: all .2s ease;
}
.redes a:hover { background: var(--gradiente); border-color: transparent; transform: translateY(-3px); }

/* --- Secciones generales --- */
section { padding: 64px 0; }
.titulo-seccion { font-size: 28px; margin-bottom: 8px; }
.subtitulo-seccion { color: var(--color-muted); margin-bottom: 40px; font-size: 15px; }
.linea-gradiente { width: 56px; height: 4px; border-radius: 4px; background: var(--gradiente); margin-bottom: 18px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* --- Timeline --- */
.timeline { position: relative; padding-left: 28px; border-left: 2px solid var(--color-border); }
.timeline-item { position: relative; padding-bottom: 34px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -34px; top: 4px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--gradiente); box-shadow: 0 0 0 4px rgba(23, 195, 178, 0.15);
}
.timeline-fecha { font-size: 13px; color: var(--color-primary); font-weight: 700; letter-spacing: 0.4px; }
.timeline-titulo { font-size: 17px; font-weight: 700; margin: 4px 0 2px; }
.timeline-subtitulo { color: var(--color-muted); font-size: 14px; margin-bottom: 6px; }
.timeline-desc { color: var(--color-muted); font-size: 14px; }

/* --- Habilidades --- */
.habilidades-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px 40px; }
.categoria-titulo { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--color-secondary); font-weight: 700; margin-bottom: 14px; }
.habilidad { margin-bottom: 14px; }
.habilidad-cabeza { display: flex; justify-content: space-between; font-size: 14px; margin-bottom: 6px; }
.barra { height: 6px; border-radius: 999px; background: rgba(148, 163, 184, 0.15); overflow: hidden; }
.barra-relleno { height: 100%; border-radius: 999px; background: var(--gradiente); width: 0; transition: width 1.1s cubic-bezier(.2,.9,.3,1); }

/* --- Proyectos --- */
.proyectos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }
.proyecto-card {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radio);
  padding: 24px; transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease; position: relative; overflow: hidden;
}
.proyecto-card::after {
  content: ""; position: absolute; inset: 0; background: var(--gradiente); opacity: 0; transition: opacity .25s ease; z-index: 0;
  mix-blend-mode: overlay;
}
.proyecto-card:hover { transform: translateY(-6px); border-color: rgba(23, 195, 178, 0.4); box-shadow: var(--sombra); }
.proyecto-card:hover::after { opacity: 0.12; }
.proyecto-destacado { border-color: var(--color-primary); }
.proyecto-etiqueta { position: absolute; top: 14px; right: 14px; font-size: 11px; padding: 3px 10px; border-radius: 999px; background: var(--gradiente); color: #fff; font-weight: 700; z-index: 2; }
.proyecto-miniatura-wrap { margin: -24px -24px 16px -24px; overflow: hidden; border-radius: var(--radio) var(--radio) 0 0; background: var(--color-bg-alt); }
.proyecto-miniatura { width: 100%; height: 160px; object-fit: cover; display: block; transition: transform .35s ease; }
.proyecto-card:hover .proyecto-miniatura { transform: scale(1.06); }
.proyecto-tipo {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .3px; text-transform: uppercase;
  color: var(--color-primary); background: rgba(23, 195, 178, 0.12); padding: 3px 10px; border-radius: 999px;
  margin-bottom: 10px; position: relative; z-index: 1;
}
.proyecto-nombre { font-size: 17px; font-weight: 700; margin: 0 0 4px; position: relative; z-index: 1; }
.proyecto-cliente { color: var(--color-muted); font-size: 13px; margin-bottom: 10px; position: relative; z-index: 1; }
.proyecto-desc { color: var(--color-muted); font-size: 14px; margin-bottom: 14px; position: relative; z-index: 1; }
.proyecto-enlace { font-size: 13px; font-weight: 700; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; position: relative; z-index: 1; }
.proyecto-enlace svg { transition: transform .2s ease; }
.proyecto-card:hover .proyecto-enlace svg { transform: translate(3px, -3px); }

/* --- Idiomas y referencias --- */
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip { padding: 10px 18px; border-radius: 12px; background: var(--color-card); border: 1px solid var(--color-border); font-size: 14px; }
.chip strong { color: var(--color-primary); }

.referencias-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.referencia-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radio); padding: 20px; }
.referencia-nombre { font-weight: 700; margin-bottom: 2px; }
.referencia-cargo { color: var(--color-muted); font-size: 13px; margin-bottom: 10px; }

/* --- Footer --- */
footer { border-top: 1px solid var(--color-border); padding: 40px 0; text-align: center; color: var(--color-muted); font-size: 13px; }
footer a { color: var(--color-primary); font-weight: 600; }

@media (max-width: 720px) {
  .hero .contenedor { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .avatar-wrap { margin: 0 auto; }
  .acciones, .redes { justify-content: center; }
  .nav-links { display: none; }
}