:root{
  --bg:#0A0D12;
  --panel:#12171F;
  --panel-2:#171D27;
  --line:#242C38;
  --text:#E7ECF2;
  --muted:#8E98A6;
  --green:#3ECF8E;
  --amber:#F2A73B;
  --blue:#5B8DEF;
  --mono:'JetBrains Mono', ui-monospace, monospace;
  --sans:'Inter', -apple-system, sans-serif;
  --maxw:1100px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  line-height:1.6;
  font-size:16px;
}

a{color:inherit;text-decoration:none;}
ul{list-style:none;}
img{max-width:100%;display:block;}
section{position:relative;}

.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px;}
.eyebrow{
  font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--green); display:flex; align-items:center; gap:10px; margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--green);display:inline-block;}

h1,h2,h3{font-family:var(--mono); font-weight:800; line-height:1.12; letter-spacing:-0.01em;}
h2{font-size:clamp(28px,4vw,40px); color:var(--text);}
h3{font-size:18px;}
.muted{color:var(--muted);}

/* ---------- LEDGER ROW (signature motif — used only for verifiable facts) ---------- */
.ledger-row{
  display:flex; align-items:baseline; gap:8px;
  font-family:var(--mono); font-size:14px;
  padding:10px 0;
  border-bottom:1px solid var(--line);
}
.ledger-row:last-child{border-bottom:none;}
.ledger-row .label{color:var(--muted); white-space:nowrap;}
.ledger-row .leader{
  flex:1; min-width:16px;
  border-bottom:2px dotted #333d4b;
  transform:translateY(-4px);
}
.ledger-row .value{color:var(--text); font-weight:600; white-space:nowrap; text-align:right;}
.ledger-row .value.accent{color:var(--green);}

/* ---------- NAV ---------- */
header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  background:rgba(10,13,18,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--maxw); margin:0 auto; padding:0 24px;
  height:64px; display:flex; align-items:center; justify-content:space-between; gap:16px;
}
.logo{
  font-family:var(--mono); font-weight:800; font-size:18px;
  width:38px;height:38px;border:1px solid var(--green); border-radius:6px;
  display:flex;align-items:center;justify-content:center; color:var(--green);
  flex-shrink:0;
}
.nav-links{display:flex; gap:24px; font-family:var(--mono); font-size:13px; letter-spacing:.03em; flex:1; justify-content:center;}
.nav-links a{color:var(--muted); transition:color .2s; position:relative; padding:4px 0;}
.nav-links a:hover, .nav-links a:focus-visible{color:var(--text);}
.nav-links a.active{color:var(--text);}
.nav-links a::after{
  content:""; position:absolute; left:0; bottom:0; width:0; height:1px; background:var(--green);
  transition:width .25s;
}
.nav-links a:hover::after{width:100%;}
.nav-links a.active::after{width:100%;}

.nav-cta{
  font-family:var(--mono); font-size:12.5px; font-weight:600;
  background:var(--amber); color:#1a1204; padding:9px 14px; border-radius:6px;
  display:inline-flex; align-items:center; gap:7px; flex-shrink:0;
}
.nav-cta:hover{background:#f5b859;}
.burger{display:none; background:none; border:1px solid var(--line); border-radius:6px; width:40px;height:40px; color:var(--text); cursor:pointer; align-items:center; justify-content:center; flex-shrink:0;}
.mobile-menu{display:none;}

@media (max-width:900px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .mobile-menu{
    display:none; flex-direction:column; gap:2px;
    background:var(--panel); border-top:1px solid var(--line);
    padding:8px 24px 18px;
  }
  .mobile-menu.open{display:flex;}
  .mobile-menu a{
    font-family:var(--mono); font-size:14px; color:var(--muted);
    padding:12px 0; border-bottom:1px solid var(--line);
  }
  .mobile-menu a.active{color:var(--green);}
}

/* ---------- PAGE HERO (sub-pages) ---------- */
.page-hero{padding:150px 0 24px;}
.page-hero .eyebrow{margin-bottom:10px;}
.page-hero p{color:var(--muted); font-size:15.5px; max-width:60ch;}

/* ---------- HOME HERO ---------- */
.hero{padding:150px 0 50px;}
.hero-grid{display:grid; grid-template-columns:260px 1fr; gap:56px; align-items:start;}
@media (max-width:760px){.hero-grid{grid-template-columns:1fr; gap:40px;}}

.id-card{
  position:relative; background:var(--panel); border:1px solid var(--line); border-radius:10px;
  padding:22px; text-align:center;
}
.avatar{
  width:120px; height:120px; border-radius:50%; margin:0 auto 16px;
  background:linear-gradient(145deg,#1c2531,#0d1117);
  border:2px solid var(--line);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--mono); font-size:38px; font-weight:800; color:var(--green);
}
.id-card .name{font-family:var(--mono); font-weight:700; font-size:16px;}
.id-card .role{font-size:12.5px; color:var(--muted); margin-top:4px;}
.stamp{
  position:absolute; top:-14px; right:-14px;
  width:74px; height:74px; border-radius:50%;
  border:2px solid var(--amber); color:var(--amber);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--mono); font-size:9px; letter-spacing:.05em; text-align:center;
  transform:rotate(12deg);
  background:rgba(242,167,59,0.06);
}
.id-card .id-contact{margin-top:18px; text-align:left; border-top:1px solid var(--line); padding-top:14px;}
.id-card .id-contact .ledger-row{font-size:12px; padding:7px 0;}

.hero-copy .kicker{font-family:var(--mono); color:var(--muted); font-size:14px; margin-bottom:10px;}
.hero-copy h1{font-size:clamp(30px,4.6vw,46px); margin-bottom:18px;}
.hero-copy h1 span{color:var(--green);}
.hero-copy p.lead{font-size:17px; color:#C4CBD5; max-width:56ch; margin-bottom:30px;}

.btn-row{display:flex; gap:14px; flex-wrap:wrap;}
.btn{
  font-family:var(--mono); font-size:14px; font-weight:600; padding:13px 22px; border-radius:6px;
  display:inline-flex; align-items:center; gap:8px; border:1px solid transparent; cursor:pointer;
}
.btn-primary{background:var(--amber); color:#1a1204;}
.btn-primary:hover{background:#f5b859;}
.btn-outline{border-color:var(--line); color:var(--text);}
.btn-outline:hover{border-color:var(--muted);}
.btn-lg{font-size:15px; padding:16px 28px;}

/* ---------- SECTION HEADER ---------- */
.section{padding:50px 0;}
.section-head{max-width:640px; margin-bottom:48px;}
.section-head p{color:var(--muted); font-size:15.5px;}
.section-alt{background:var(--panel);}

/* ---------- ABOUT ---------- */
.about-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:18px;}
@media (max-width:700px){.about-grid{grid-template-columns:1fr;}}
.about-card{
  background:var(--panel-2); border:1px solid var(--line); border-radius:10px; padding:22px;
  display:flex; gap:14px;
}
.about-icon{
  width:38px;height:38px; border-radius:8px; background:rgba(62,207,142,0.08); color:var(--green);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.about-card p{font-size:14.5px; color:#C4CBD5;}

/* ---------- EXPERIENCE TIMELINE ---------- */
.timeline{position:relative; padding-left:28px;}
.timeline::before{
  content:""; position:absolute; left:6px; top:6px; bottom:6px; width:1px; background:var(--line);
}
.tl-item{position:relative; padding-bottom:44px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute; left:-28px; top:4px; width:13px; height:13px; border-radius:50%;
  background:var(--bg); border:2px solid var(--green);
}
.tl-item.past .tl-dot{border-color:var(--muted);}
.tl-date{font-family:var(--mono); font-size:12.5px; color:var(--green); letter-spacing:.03em; margin-bottom:6px;}
.tl-item.past .tl-date{color:var(--muted);}
.tl-card{background:var(--panel); border:1px solid var(--line); border-radius:10px; padding:22px 24px;}
.tl-card h3{margin-bottom:2px;}
.tl-card .company{color:var(--muted); font-size:13.5px; margin-bottom:14px; font-family:var(--mono);}
.tl-card ul{display:flex; flex-direction:column; gap:8px;}
.tl-card li{font-size:14.5px; color:#C4CBD5; padding-left:18px; position:relative;}
.tl-card li::before{content:"›"; position:absolute; left:0; color:var(--green); font-weight:700;}

/* ---------- CARDS: estudios / certificaciones (with thumbnail) ---------- */
.card-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:16px;}
@media (max-width:900px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:600px){.card-grid{grid-template-columns:1fr;}}

.thumb-card{
  background:var(--panel-2); border:1px solid var(--line); border-radius:10px; overflow:hidden;
}
.cert-thumb{
  aspect-ratio: 4 / 3;
  height:auto;
  display:block;
  position:relative;
  overflow:hidden;
  background:#000;
  border-bottom:1px dashed var(--line);
}
.cert-thumb img{
  width:100%; height:100%; object-fit:contain; display:block; transition:transform .3s;
}
.cert-thumb:hover img{transform:scale(1.05);}
.cert-thumb::after{
  content:"⤢ Ampliar";
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:rgba(10,13,18,0.55); color:#E7ECF2; font-family:var(--mono); font-size:12px;
  opacity:0; transition:opacity .2s;
}
.cert-thumb:hover::after{opacity:1;}
.thumb-card .thumb-body{padding:18px 20px 20px;}
.thumb-card .title{
  font-family:var(--mono); font-size:16.5px; font-weight:700; color:var(--text);
  margin-bottom:6px; line-height:1.3;
}
.thumb-card .org{
  font-family:var(--sans); font-size:13px; color:var(--muted);
  padding-bottom:12px; margin-bottom:12px; border-bottom:1px solid var(--line);
}
.badge-top{
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--mono); font-size:11px; font-weight:600; letter-spacing:.04em;
  color:#0A0D12; background:var(--green); padding:5px 12px; border-radius:20px;
}
.badge-top::before{content:"★";}

/* ---------- CARDS: cursos (no thumbnail) ---------- */
.simple-card{
  background:var(--panel-2); border:1px solid var(--line); border-radius:10px; padding:18px 20px;
  display:flex; justify-content:space-between; gap:12px; align-items:flex-start;
}
.simple-card .title{font-size:14.5px; font-weight:600; margin-bottom:4px;}
.simple-card .org{font-family:var(--mono); font-size:12.5px; color:var(--muted);}
.simple-card .year{font-family:var(--mono); font-size:12px; color:var(--amber); white-space:nowrap; flex-shrink:0; margin-top:2px;}

.subsection-title{
  font-family:var(--mono); font-size:13px; text-transform:uppercase; letter-spacing:.08em;
  color:var(--muted); margin:0 0 18px; padding-top:8px;
}

/* ---------- SKILLS ---------- */
.skills-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:36px 48px;}
@media (max-width:700px){.skills-grid{grid-template-columns:1fr; gap:32px;}}
.skill-cat h3{font-size:14px; color:var(--green); font-family:var(--mono); text-transform:uppercase; letter-spacing:.06em; margin-bottom:16px; display:flex; align-items:center; gap:10px;}
.pill-row{display:flex; flex-wrap:wrap; gap:10px;}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  background:var(--panel); border:1px solid var(--line); border-radius:8px;
  padding:9px 14px; font-family:var(--mono); font-size:13px; color:var(--text);
}

/* ---------- PROJECTS ---------- */
.proj-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
@media (max-width:760px){.proj-grid{grid-template-columns:1fr;}}
.proj-card{
  position:relative; background:var(--panel); border:1px solid var(--line); border-radius:10px;
  padding:24px 22px 20px; display:flex; flex-direction:column; gap:12px;
  transition:border-color .2s, transform .2s;
}
.proj-card:hover{border-color:var(--green); transform:translateY(-3px);}
.proj-tag{
  position:absolute; top:-11px; left:20px; background:var(--bg); border:1px solid var(--line);
  font-family:var(--mono); font-size:10.5px; color:var(--amber); padding:2px 10px; border-radius:20px;
  letter-spacing:.04em;
}
.proj-card h3{font-size:16px; margin-top:6px;}
.proj-card p{font-size:14px; color:var(--muted); flex:1;}
.proj-topics{display:flex; flex-wrap:wrap; gap:6px;}
.topic-chip{font-family:var(--mono); font-size:10.5px; color:#9DB3E8; background:rgba(91,141,239,0.1); padding:3px 9px; border-radius:5px;}
.proj-links{display:flex; gap:10px; margin-top:4px;}
.proj-link{
  display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:12.5px;
  color:var(--text); border:1px solid var(--line); padding:7px 12px; border-radius:6px; transition:.2s;
}
.proj-link:hover{border-color:var(--green); color:var(--green);}

/* ---------- CV PAGE ---------- */
.cv-download{
  background:linear-gradient(135deg, rgba(242,167,59,0.1), rgba(242,167,59,0.02));
  border:1px solid rgba(242,167,59,0.35); border-radius:12px;
  padding:26px 28px; display:flex; justify-content:space-between; align-items:center; gap:20px;
  margin-bottom:56px; flex-wrap:wrap;
}
.cv-download h3{margin-bottom:4px;}
.cv-download p{color:var(--muted); font-size:14px;}
.cv-section{margin-bottom:44px;}
.cv-section h3{color:var(--green); font-size:13px; text-transform:uppercase; letter-spacing:.08em; margin-bottom:16px; font-family:var(--mono);}
.cv-item{margin-bottom:16px;}
.cv-item .row{display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;}
.cv-item .role{font-weight:700; font-size:15px;}
.cv-item .date{font-family:var(--mono); font-size:12.5px; color:var(--muted);}
.cv-item .org{color:var(--muted); font-size:13px; margin-bottom:6px;}
.cv-item p{font-size:14px; color:#C4CBD5;}

footer{border-top:1px solid var(--line); padding:28px 0; margin-top:20px;}
.footer-row{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;}
.footer-row p{font-family:var(--mono); font-size:12.5px; color:var(--muted);}
.social-row{display:flex; gap:10px;}
.social-btn{
  width:38px; height:38px; border-radius:8px; border:1px solid var(--line);
  display:flex; align-items:center; justify-content:center; color:var(--muted);
  transition:.2s;
}
.social-btn:hover{color:var(--green); border-color:var(--green);}

.reveal{opacity:0; transform:translateY(18px); transition:opacity .6s ease, transform .6s ease;}
.reveal.in{opacity:1; transform:translateY(0);}

/* ---------- LIGHTBOX ---------- */
.lightbox{
  display:none; position:fixed; inset:0; z-index:200;
  background:rgba(6,8,11,0.92); backdrop-filter:blur(4px);
  align-items:center; justify-content:center; padding:32px;
}
.lightbox.open{display:flex;}
.lightbox-content{
  max-width:900px; width:100%; background:var(--panel);
  border:1px solid var(--green); border-radius:10px; padding:16px;
}
.lightbox-content img{
  width:100%; max-height:75vh; object-fit:contain; border-radius:6px; display:block;
}
.lightbox-content p{
  font-family:var(--mono); font-size:13px; color:var(--muted); text-align:center; margin-top:14px;
}
.lightbox-close{
  position:absolute; top:24px; right:28px;
  width:42px; height:42px; border-radius:8px; border:1px solid var(--line);
  background:var(--panel); color:var(--text); font-size:24px; line-height:1;
  cursor:pointer; transition:.2s;
}
.lightbox-close:hover{border-color:var(--green); color:var(--green);}
.cert-thumb{cursor:pointer; border:none; padding:0; width:100%; text-align:left; font:inherit;}

@media (max-width:600px){
  .lightbox{padding:16px;}
  .lightbox-content{padding:12px;}
  .lightbox-content img{max-height:60vh;}
  .lightbox-close{
    top:12px; right:12px; width:38px; height:38px; font-size:20px;
  }
}

.thumb-card.in-progress{
  overflow:hidden;
  border-style:dashed;
}
.progress-area{
  aspect-ratio: 4 / 3;
  position:relative; overflow:hidden;
  background:repeating-linear-gradient(135deg, #171d27, #171d27 10px, #1b222e 10px, #1b222e 20px);
  border-bottom:1px dashed var(--line);
  display:flex; align-items:center; justify-content:center;
}
.progress-area svg{color:var(--muted); opacity:.5;}
.progress-area::after{
  content:"Próximamente";
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  background:rgba(10,13,18,0.6); color:var(--amber); font-family:var(--mono); font-size:12px;
  opacity:0; transition:opacity .2s;
}
.thumb-card.in-progress:hover .progress-area::after{opacity:1;}
.badge-progress{
  display:inline-flex; align-items:center; gap:6px;
  font-family:var(--mono); font-size:11px; font-weight:600; letter-spacing:.04em;
  color:var(--amber); background:rgba(242,167,59,0.1); border:1px solid rgba(242,167,59,0.35);
  padding:5px 12px; border-radius:20px; margin-top:8px;
}
.badge-progress::before{content:"●"; font-size:8px;}