:root{
  --bg-900:#0f1324;
  --bg-800:#151a32;
  --text-100:#e8ebf7;
  --text-300:#b8c0da;
  --pri:#6c8cc6;
  --sec:#a684c7;
  --acc:#6fb2a9;
  --glass:rgba(255,255,255,.06);
  --border:#2a3050;
  --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI", Tahoma, sans-serif;
  background: radial-gradient(1200px 800px at 80% -20%, rgba(108,140,198,.15),transparent 60%),
              radial-gradient(800px 600px at -10% 20%, rgba(175,132,199,.12),transparent 55%),
              var(--bg-900);
  color:var(--text-100);
  line-height:1.65;
}
a{text-decoration:none;color:inherit}
.container{width:min(1120px,92%);margin-inline:auto}

/* Header */
.header{position:sticky; top:0; z-index:20; background:linear-gradient(0deg, transparent, rgba(15,19,36,.75)); backdrop-filter:saturate(130%) blur(8px); border-bottom:1px solid var(--border)}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.9rem 0}
.logo{font-weight:800; letter-spacing:.5px}
.logo span{color:var(--pri)}
.nav{display:flex;align-items:center;gap:1.1rem}
.nav__link{position:relative;color:var(--text-300);padding:.35rem .2rem;transition:color .25s}
.nav__link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:linear-gradient(90deg,var(--pri),var(--sec));transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav__link:hover{color:var(--text-100)}
.nav__link:hover::after{transform:scaleX(1)}
.btn{
  --bg:var(--pri);
  display:inline-grid; place-items:center; padding:.72rem 1.1rem; border-radius:10px; font-weight:600; border:0;
  color:#0b142b; background:linear-gradient(180deg, color-mix(in oklab, var(--bg) 85%, #fff 15%), var(--bg));
  box-shadow:0 6px 16px color-mix(in oklab, var(--bg) 35%, black 65%); cursor:pointer; transition:transform .15s, filter .2s, box-shadow .2s;
}
.btn:active{transform:translateY(1px)}
.btn--primary{--bg:var(--pri)}
.btn--ghost{background:transparent;color:var(--text-100);border:1.5px solid color-mix(in oklab, var(--pri) 75%, #fff 25%);box-shadow:none}
.btn--outline{background:transparent;color:var(--pri);border:1.5px solid var(--pri);box-shadow:none}
.btn--glow{position:relative;isolation:isolate}
.btn--glow::before{content:"";position:absolute;inset:-6px;border-radius:14px;z-index:-1;background:radial-gradient(120px 40px at 20% 0%, color-mix(in oklab, var(--pri) 60%, transparent), transparent 55%),radial-gradient(120px 40px at 80% 100%, color-mix(in oklab, var(--acc) 60%, transparent), transparent 55%);filter:blur(14px);opacity:.55;transition:opacity .3s}
.btn--glow:hover::before{opacity:.9}

/* Hero */
.hero{position:relative; padding:clamp(3rem,6vw,5rem) 0}
.hero__grid{display:grid; grid-template-columns:1.1fr .9fr; gap:2.2rem; align-items:center}
.hero__title{font-size:clamp(2rem,4.5vw,3.2rem); line-height:1.1}
.hero__title span{background:linear-gradient(90deg,var(--pri),var(--sec)); -webkit-background-clip:text; background-clip:text; color:transparent}
.hero__subtitle{color:var(--text-300); margin:.9rem 0 1rem}
.hero__badges{margin-bottom:1rem}
.hero__actions{display:flex; gap:.8rem; flex-wrap:wrap}
.hero__visual{display:grid; place-items:center}

/* Secciones */
.section{padding:clamp(2.5rem,6vw,4rem) 0; border-top:1px solid var(--border); background:transparent}
.section__title{font-size:clamp(1.6rem,3.5vw,2.2rem); margin-bottom:1rem}
.section__lead{color:var(--text-300); max-width:780px}

/* Chips & Cards */
.chips{display:flex; gap:.6rem; flex-wrap:wrap; margin:1rem 0 1.4rem}
.chip{padding:.45rem .8rem; border-radius:999px; border:1px solid var(--border); color:var(--text-100); background:var(--glass); backdrop-filter:blur(6px)}
.cards{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-top:.3rem}
.card{background:linear-gradient(180deg, var(--bg-800), color-mix(in oklab, var(--bg-800) 85%, #000 15%)); border:1px solid var(--border); border-radius:14px; padding:1.1rem; box-shadow:var(--shadow); transform:translateY(0) rotateX(0); transition:transform .25s, box-shadow .25s, border-color .25s}
.card:hover{transform:translateY(-4px); border-color:color-mix(in oklab, var(--pri) 35%, var(--border)); box-shadow:0 14px 34px rgba(0,0,0,.45)}
.card h3{margin-bottom:.4rem}

/* Timeline */
.timeline{position:relative; margin-top:1rem; padding-left:1rem}
.timeline::before{content:""; position:absolute; left:10px; top:0; bottom:0; width:2px; background:linear-gradient(var(--pri), var(--sec))}
.t-item{position:relative; padding-left:2.2rem; margin:1.2rem 0}
.t-dot{position:absolute; left:3px; top:.35rem; width:14px; height:14px; border-radius:50%; background:var(--pri); box-shadow:0 0 0 4px rgba(108,140,198,.15)}
.t-content{background:linear-gradient(180deg, var(--bg-800), color-mix(in oklab, var(--bg-800) 85%, #000 15%)); border:1px solid var(--border); border-radius:12px; padding:1rem}
.t-content header{display:flex; align-items:center; justify-content:space-between; gap:1rem; margin-bottom:.4rem}
.t-content h3{font-size:1.05rem}
.t-date{color:var(--text-300); font-size:.95rem}
.t-tags{list-style:none; display:flex; gap:.5rem; flex-wrap:wrap; margin-top:.5rem}
.t-tags li{font-size:.85rem; padding:.25rem .55rem; border-radius:999px; background:var(--glass); border:1px solid var(--border); color:var(--text-100)}


/* Formulario */
.form{margin-top:.8rem; display:grid; gap:.8rem}
.form__row{display:grid; grid-template-columns:1fr 1fr; gap:.8rem}
.form input, .form textarea{background:var(--glass); color:var(--text-100); border:1px solid var(--border); padding:.85rem .9rem; border-radius:10px; outline:none}
.form input:focus, .form textarea:focus{border-color:color-mix(in oklab, var(--pri) 40%, var(--border))}
.form button{justify-self:start}
.socials{margin-top:.6rem; color:var(--text-300)}

/* Footer */
.footer{border-top:1px solid var(--border); margin-top:2rem; padding:2rem 0}
.footer__inner{display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; margin-bottom:1rem}
.f-col h4{margin-bottom:.5rem}
.f-col a{display:block; color:var(--text-300); margin:.3rem 0}
.f-col a:hover{color:var(--text-100)}
.footer__copy{color:var(--text-300); text-align:center}

/* Animaciones utilitarias */
@keyframes blob{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(10px,-6px) scale(1.05)}}
.floating{animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.reveal{opacity:0; transform:translateY(14px); transition:opacity .7s, transform .7s}
.reveal.is-visible{opacity:1; transform:none}
.tilt{transform:perspective(600px) rotateX(0) rotateY(0); transform-style:preserve-3d}
.tilt:hover{transform:perspective(600px) rotateX(2deg) rotateY(-2deg) translateY(-3px)}

/* ===== Cursos & Certificados ===== */
.courses-grid{
  display:grid;
  grid-template-columns:repeat(3, 1fr);
  gap:1rem;
  margin-top:1rem;
}
.course-card{
  text-decoration:none;
  color:inherit;
  cursor:pointer;
  background:linear-gradient(180deg, var(--bg-800), color-mix(in oklab, var(--bg-800) 85%, #000 15%));
  border:1px solid var(--border);
  border-radius:12px;
  padding:1rem;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition:transform .25s ease, border-color .25s ease;
}
.course-card:hover{
  transform:translateY(-3px);
  border-color: color-mix(in oklab, var(--pri) 30%, var(--border));
}
.course-card__title{ font-weight:700; margin-bottom:.15rem }
.course-card__meta{ color:var(--text-300); font-size:.95rem; margin-bottom:.6rem }
.course-card__skills{
  display:flex; flex-wrap:wrap; gap:.4rem; margin:.4rem 0 .8rem;
}
.course-card__skills .chip{
  padding:.3rem .6rem; font-size:.85rem;
}
.course-card__actions{
  margin-top:auto; display:flex; gap:.5rem; flex-wrap:wrap;
}

/* responsive rápido para grid de cursos */
@media (max-width: 980px){
  .courses-grid{ grid-template-columns:repeat(2, 1fr); }
}
@media (max-width: 620px){
  .courses-grid{ grid-template-columns:1fr; }
}

/* Lightbox certificado */
.lightbox{
  position: fixed; inset: 0; z-index: 999;
  background: rgba(0,0,0,.6);
  display: grid; place-items: center;
  padding: 1rem;
}
.lightbox img{
  max-width: min(1080px, 95vw);
  max-height: 90vh;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.lightbox__close{
  position: absolute; top: 14px; right: 14px;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border); background: var(--bg-800);
  color: var(--text-100); cursor: pointer;
  display:grid; place-items:center; font-size: 22px; line-height: 1;
}
.lightbox[hidden]{ display:none !important; }


/* ==== Redes (hero) ==== */
.socials--hero{
  display:flex; gap:.6rem; margin-top:.9rem;
}
.btn-icon{
  width:40px; height:40px; display:grid; place-items:center;
  border:1.5px solid var(--border); border-radius:10px;
  background:#fff; color:var(--pri);
  box-shadow:0 6px 16px rgba(10,102,194,.08);
  transition:transform .15s ease, box-shadow .15s ease, border-color .15s ease, color .15s ease, background .15s ease;
}
.btn-icon:hover{
  transform:translateY(-2px);
  border-color: color-mix(in oklab, var(--pri) 40%, var(--border));
  box-shadow:0 10px 22px rgba(10,102,194,.18);
}
.btn-icon svg{ width:22px; height:22px; }

/* ==== Foto del hero ==== */
.hero__photo{
  width:min(360px, 42vw);
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow: 0 20px 40px rgba(0,0,0,.12), inset 0 0 0 6px rgba(10,102,194,.06);
  background:#fff;
}
.hero__photo img{
  width:100%; height:100%; object-fit:cover; object-position:center;
  display:block;
}

/* Centrar la columna de texto del hero en desktop */
@media (min-width: 980px){
  .hero__grid{
    /* centramos el conjunto y acotamos el ancho de la columna de texto */
    justify-content: center;
    grid-template-columns: minmax(520px, 620px) clamp(300px, 34vw, 420px);
  }
  .hero__copy{
    justify-self: center;   /* centra el bloque dentro de su columna */
    max-width: 150ch;        /* ancho de lectura cómodo */
    text-align: left;       /* mantiene alineación del texto */
  }
}




/* ===========================
   📱 RESPONSIVE
   =========================== */

/* base: ocultar hamburguesa en desktop */
.hamburger{
  display:none;
  background:none;
  border:0;
  padding:0;
  cursor:pointer;
}
.hamburger span{
  display:block;
  width:22px;
  height:2px;
  background:#0b142b;
  margin:4px 0;
  border-radius:2px;
  transition:transform .2s, opacity .2s;
}

/* evitar scroll fondo cuando nav está abierto */
body.nav-lock{ overflow:hidden; }

/* --- Header y NAV en pantallas chicas --- */
@media (max-width: 860px){
  .header__inner{
    display:grid;
    grid-template-columns:auto auto;
    align-items:center;
    justify-content:space-between;
    gap:.5rem;
  }

  .hamburger{
    display:inline-grid;
    place-items:center;
    width:40px;
    height:40px;
    border:1px solid var(--border);
    border-radius:10px;
    background:#fff;
    color:var(--pri);
    box-shadow:0 6px 16px rgba(10,102,194,.08);
    justify-self:end;
  }

  /* animación a "X" */
  .hamburger.is-open span:nth-child(1){
    transform:translateY(6px) rotate(45deg);
  }
  .hamburger.is-open span:nth-child(2){
    opacity:0;
  }
  .hamburger.is-open span:nth-child(3){
    transform:translateY(-6px) rotate(-45deg);
  }

  /* nav como panel lateral */
  .nav{
    position:fixed;
    inset:0 0 0 auto;
    width:min(80vw, 360px);
    background:#0b1227;
    border-left:1px solid var(--border);
    transform:translateX(100%);      /* OCULTO por defecto */
    transition:transform .25s ease;
    display:grid;
    align-content:flex-start;
    gap:.3rem;
    padding:4.5rem 1rem 1.2rem;
    box-shadow:-26px 0 60px rgba(0,0,0,.45);
    z-index:40;
  }
  .nav.is-open{
    transform:translateX(0);         /* 👉 AQUÍ ES CUANDO SE DESPLIEGA */
  }


  .nav__link,
  .header__cta,
  #langToggle{
    display:block;
    padding:.9rem 1rem;
    border-radius:10px;
  }
  .nav__link{ color:#e8ebf7; }
  .header__cta{ margin-top:.4rem; }
  #langToggle{
    border:1px solid var(--border);
    background:#fff;
    color:#0b142b;
    box-shadow:none;
    justify-self:start;
  }
}

/* --- Hero responsive --- */
@media (max-width: 860px){
  .hero{
    padding:clamp(2rem, 6vw, 3rem) 0;
  }

  .hero__grid{
    display:grid;
    grid-template-columns:1fr;
    gap:1.2rem;
    justify-items:center;
    text-align:center;
  }

  .hero__copy{
    max-width:62ch;
  }

  .hero__title{
    font-size:clamp(1.9rem, 7vw, 2.4rem);
  }

  .hero__subtitle{
    margin:.6rem 0 .9rem;
  }

  .hero__actions{
    justify-content:center;
  }

  .hero__badges{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:.4rem;
  }

  .hero__visual{
    justify-self:center;
  }

  .hero__photo{
    width:min(300px, 72vw);
    margin-top:.6rem;
  }

  .socials--hero{
    justify-content:center;
  }
}

/* --- Texto introductorio centrado en secciones --- */
@media (max-width: 860px){
  .section__lead{
    max-width:62ch;
    margin-inline:auto;
    text-align:center;
  }

  /* cards de habilidades: 3 → 1 col */
  .cards{
    grid-template-columns:1fr;
  }

  /* chips centradas cuando hay varias */
  .chips{
    justify-content:center;
  }

  /* timeline más angosta */
  .timeline{
    padding-left:.5rem;
  }
  .timeline::before{
    left:6px;
  }
  .t-item{
    padding-left:1.7rem;
  }
  .t-content header{
    flex-direction:column;
    align-items:flex-start;
    gap:.25rem;
  }
}

/* Cursos: 3 → 2 → 1 columnas */
@media (max-width: 900px){
  .courses-grid{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
}
@media (max-width: 620px){
  .courses-grid{
    grid-template-columns:1fr;
  }
}

/* Cursos: 3 → 2 → 1 columnas */
@media (max-width: 900px){
  .courses-grid{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
}
@media (max-width: 620px){
  .courses-grid{
    grid-template-columns:1fr;
  }
}

/* Formulario: inputs apilados en móvil */
@media (max-width: 720px){
  .form__row{
    grid-template-columns:1fr;
  }
  .form button{
    justify-self:stretch;
  }

  /* Footer en una columna */
  .footer__inner{
    grid-template-columns:1fr;
    text-align:center;
  }
  .f-col a{
    display:inline-block;
    margin:.25rem .4rem;
  }
}


/* === NAV MÓVIL INDEPENDIENTE === */
.nav-mobile{
  display:none; /* en desktop, oculto */
}

/* === NAV MÓVIL LATERAL ESTILO LINKEDIN === */
@media (max-width: 860px){

  /* Ocultamos el nav de desktop en móvil */
  .nav{
    display:none !important;
  }

  /* Header por encima para que el botón quede usable */
  .header__inner{
    position:relative;
    z-index:1300;
  }

  .nav-mobile{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    width:min(78vw, 320px);

    /* Fondo tipo LinkedIn clásico (gris clarito) */
    background:#f3f2ef;
    border-left:1px solid #dde1e6;
    box-shadow:-18px 0 40px rgba(0,0,0,.18);

    display:flex;
    flex-direction:column;
    gap:.25rem;
    padding:4.25rem 1rem 1.5rem; /* deja espacio debajo del header */

    transform:translateX(100%);
    transition:transform .25s ease-out;
    z-index:1200;
  }

  .nav-mobile.is-open{
    transform:translateX(0);
  }

  .nav-mobile__link,
  .nav-mobile__lang{
    display:block;
    padding:.7rem .8rem;
    border-radius:8px;
    text-decoration:none;
    font-size:.98rem;
  }

  .nav-mobile__link{
    color:#0b0c0e;          /* texto oscuro tipo LinkedIn */
    font-weight:500;
  }

  .nav-mobile__link:hover,
  .nav-mobile__link:focus,
  .nav-mobile__link:active{
    background:#e3e6eb;     /* hover suave */
  }

  .nav-mobile__lang{
    margin-top:.6rem;
    background:#0a66c2;     /* azul LinkedIn */
    color:#ffffff;
    border:none;
    font-weight:600;
    cursor:pointer;
    width:auto;
    align-self:flex-start;
  }

  body.nav-lock{
    overflow:hidden;
  }
}

@media (max-width: 860px){
  /* El header (con la hamburguesa) por encima del panel lateral */
  .header{
    position: relative;
    z-index: 1300;
  }

  /* El panel lateral debajo del header pero por encima del resto */
  .nav-mobile{
    z-index: 1200;
  }
}