/* ── Fuentes autoalojadas (sin dependencias externas) ── */
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/space-grotesk-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/space-grotesk-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/space-grotesk-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/space-grotesk-latin-700-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/ibm-plex-sans-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibm-plex-sans-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Sans';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/ibm-plex-sans-latin-600-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/ibm-plex-mono-latin-400-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/ibm-plex-mono-latin-500-normal.woff2') format('woff2')}
@font-face{font-family:'IBM Plex Mono';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/ibm-plex-mono-latin-600-normal.woff2') format('woff2')}

:root{
    --ink:#0B1220;
    --ink-2:#111d33;
    --ink-line:rgba(255,255,255,.09);
    --paper:#eceff4;
    --paper-2:#ffffff;
    --card:#f6f8fb;
    --text:#0b1220;
    --text-dim:#55627a;
    --text-invert:#e8edf5;
    --text-invert-dim:#8fa0bd;
    --line:rgba(11,18,32,.12);
    --signal:#22d3ee;
    --signal-2:#0891b2;
    --signal-3:#7c5cff;
    --font-display:'Space Grotesk',system-ui,sans-serif;
    --font-body:'IBM Plex Sans',system-ui,sans-serif;
    --font-mono:'IBM Plex Mono',ui-monospace,monospace;
    --maxw:1120px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{
    font-family:var(--font-body);
    color:var(--text);
    background:var(--paper);
    -webkit-font-smoothing:antialiased;
    line-height:1.6;
  }
  a{color:inherit;text-decoration:none}
  ::selection{background:var(--signal);color:var(--ink)}

  .wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
  .mono{font-family:var(--font-mono);font-weight:500;letter-spacing:.02em}
  .eyebrow{
    font-family:var(--font-mono);
    font-size:.72rem;
    letter-spacing:.22em;
    text-transform:uppercase;
    color:var(--signal-2);
  }

  /* ---------- NAV ---------- */
  nav{
    position:fixed;top:0;left:0;right:0;z-index:50;
    display:flex;align-items:center;justify-content:space-between;
    padding:14px 24px;
    max-width:var(--maxw);margin-inline:auto;
    transition:padding .3s ease;
  }
  nav.scrolled{
    background:rgba(11,18,32,.82);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--ink-line);
    left:0;right:0;max-width:none;padding-inline:max(24px,calc((100vw - var(--maxw))/2 + 24px));
  }
  .brand{font-family:var(--font-mono);font-weight:600;font-size:.86rem;color:var(--text-invert);letter-spacing:.04em;display:flex;align-items:center;gap:9px}
  .brand .dot{width:8px;height:8px;border-radius:50%;background:var(--signal);box-shadow:0 0 10px var(--signal)}
  .nav-links{display:flex;gap:26px;align-items:center}
  .nav-links a{font-family:var(--font-mono);font-size:.78rem;color:var(--text-invert-dim);transition:color .2s;letter-spacing:.03em}
  .nav-links a:hover{color:var(--signal)}
  .nav-cta{border:1px solid var(--signal);color:var(--signal)!important;padding:7px 14px;border-radius:2px}
  .nav-cta:hover{background:var(--signal);color:var(--ink)!important}
  @media(max-width:720px){.nav-links a:not(.nav-cta){display:none}}

  /* ---------- HERO ---------- */
  .hero{
    position:relative;
    background:var(--ink);
    color:var(--text-invert);
    min-height:100vh;
    display:flex;flex-direction:column;justify-content:center;
    overflow:hidden;
    padding:120px 0 60px;
  }
  .hero-grid{
    position:absolute;inset:0;
    background-image:
      linear-gradient(var(--ink-line) 1px,transparent 1px),
      linear-gradient(90deg,var(--ink-line) 1px,transparent 1px);
    background-size:56px 56px;
    mask-image:radial-gradient(ellipse 90% 70% at 50% 40%,#000 40%,transparent 100%);
    opacity:.6;
  }
  #scope{position:absolute;inset:0;width:100%;height:100%;z-index:1;opacity:.9}
  .hero .wrap{position:relative;z-index:2}
  .hero-readout{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-bottom:26px}
  .hero-readout .tag{
    font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;
    color:var(--text-invert-dim);border:1px solid var(--ink-line);
    padding:5px 10px;border-radius:2px;text-transform:uppercase;
  }
  .hero-readout .tag b{color:var(--signal);font-weight:500}
  .hero h1{
    font-family:var(--font-display);
    font-weight:600;
    font-size:clamp(3rem,9vw,7rem);
    line-height:.96;
    letter-spacing:-.02em;
    margin:6px 0 8px;
  }
  .hero h1 .surname{color:var(--signal)}
  .hero .fullname{font-family:var(--font-mono);font-size:.8rem;color:var(--text-invert-dim);letter-spacing:.1em;margin-bottom:24px}
  .hero p.lead{
    font-size:clamp(1.05rem,2vw,1.32rem);
    color:var(--text-invert);
    max-width:640px;line-height:1.5;font-weight:400;
  }
  .hero p.lead b{color:#fff;font-weight:600}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:38px}
  .btn{
    font-family:var(--font-mono);font-size:.82rem;letter-spacing:.03em;
    padding:13px 22px;border-radius:2px;transition:all .2s;cursor:pointer;
    display:inline-flex;align-items:center;gap:9px;border:1px solid transparent;
  }
  .btn-primary{background:var(--signal);color:var(--ink);font-weight:600}
  .btn-primary:hover{background:#fff;box-shadow:0 0 24px rgba(34,211,238,.4)}
  .btn-ghost{border-color:var(--ink-line);color:var(--text-invert)}
  .btn-ghost:hover{border-color:var(--signal);color:var(--signal)}
  .scroll-hint{
    position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
    font-family:var(--font-mono);font-size:.66rem;letter-spacing:.2em;color:var(--text-invert-dim);
    text-transform:uppercase;display:flex;flex-direction:column;align-items:center;gap:8px;
  }
  .scroll-hint .line{width:1px;height:34px;background:linear-gradient(var(--signal),transparent);animation:pulse 2s ease-in-out infinite}
  @keyframes pulse{0%,100%{opacity:.3}50%{opacity:1}}

  /* ---------- SECTION SHELL ---------- */
  section.block{padding:96px 0}
  .sec-head{display:flex;align-items:baseline;gap:16px;margin-bottom:44px}
  .sec-head .num{font-family:var(--font-mono);font-size:.8rem;color:var(--signal-2);font-weight:600}
  .sec-head h2{font-family:var(--font-display);font-weight:600;font-size:clamp(1.6rem,4vw,2.4rem);letter-spacing:-.01em}
  .sec-head .rule{flex:1;height:1px;background:var(--line);align-self:center}

  /* ---------- ABOUT ---------- */
  .about-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:start}
  .about-lead{font-size:1.24rem;line-height:1.6;color:var(--text)}
  .about-lead b{color:var(--ink)}
  .about-sub{margin-top:18px;color:var(--text-dim);font-size:1rem}
  .stats{display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:var(--paper-2)}
  .stat{padding:18px 20px;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:none}
  .stat .val{font-family:var(--font-display);font-weight:600;font-size:1.9rem;color:var(--ink);letter-spacing:-.01em}
  .stat .val span{color:var(--signal-2)}
  .stat .lab{font-family:var(--font-mono);font-size:.72rem;color:var(--text-dim);letter-spacing:.04em;text-transform:uppercase;margin-top:2px}
  @media(max-width:820px){.about-grid{grid-template-columns:1fr;gap:36px}}

  /* ---------- SKILLS ---------- */
  .skill-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
  .skill-card{border:1px solid var(--line);border-radius:6px;padding:22px 22px 24px;background:var(--paper-2);transition:border-color .25s,transform .25s}
  .skill-card:hover{border-color:var(--signal);transform:translateY(-2px)}
  .skill-card h3{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--signal-2);margin-bottom:16px;display:flex;align-items:center;gap:8px}
  .skill-card h3::before{content:"";width:6px;height:6px;background:var(--signal);border-radius:1px}
  .chips{display:flex;flex-wrap:wrap;gap:8px}
  .chip{font-family:var(--font-mono);font-size:.8rem;padding:6px 11px;border:1px solid var(--line);border-radius:3px;color:var(--text);background:var(--card)}
  @media(max-width:720px){.skill-grid{grid-template-columns:1fr}}

  /* ---------- EXPERIENCE ---------- */
  .timeline{position:relative;margin-left:6px}
  .tl-item{position:relative;padding:0 0 44px 34px;border-left:1px solid var(--line)}
  .tl-item:last-child{padding-bottom:0}
  .tl-item::before{content:"";position:absolute;left:-6px;top:4px;width:11px;height:11px;border-radius:50%;background:var(--paper);border:2px solid var(--signal)}
  .tl-item.active::before{background:var(--signal);box-shadow:0 0 0 4px rgba(34,211,238,.18)}
  .tl-date{font-family:var(--font-mono);font-size:.74rem;letter-spacing:.05em;color:var(--signal-2);text-transform:uppercase}
  .tl-role{font-family:var(--font-display);font-weight:600;font-size:1.24rem;margin:4px 0 2px;color:var(--ink)}
  .tl-org{font-family:var(--font-mono);font-size:.82rem;color:var(--text-dim);margin-bottom:14px}
  .tl-desc{color:var(--text);max-width:660px}
  .tl-desc p{margin-bottom:10px}
  .tl-metrics{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .metric{font-family:var(--font-mono);font-size:.74rem;padding:5px 10px;border-radius:3px;background:rgba(34,211,238,.1);color:var(--signal-2);border:1px solid rgba(8,145,178,.25);font-weight:500}
  .metric b{color:var(--ink)}

  /* ---------- EDUCATION ---------- */
  .edu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .edu-card{border:1px solid var(--line);border-radius:6px;padding:24px;background:var(--paper-2);position:relative;overflow:hidden}
  .edu-card::after{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--signal),var(--signal-3))}
  .edu-date{font-family:var(--font-mono);font-size:.72rem;color:var(--signal-2);letter-spacing:.04em;text-transform:uppercase}
  .edu-inst{font-family:var(--font-display);font-weight:600;font-size:1.02rem;margin:8px 0 4px;color:var(--ink);line-height:1.25}
  .edu-prog{font-size:.92rem;color:var(--text-dim)}
  @media(max-width:820px){.edu-grid{grid-template-columns:1fr}}

  /* ---------- CONTACT ---------- */
  .contact{background:var(--ink);color:var(--text-invert);position:relative;overflow:hidden}
  .contact .hero-grid{opacity:.35}
  .contact .wrap{position:relative;z-index:2}
  .contact h2{font-family:var(--font-display);font-weight:600;font-size:clamp(2rem,6vw,3.6rem);letter-spacing:-.02em;line-height:1.02;max-width:12ch}
  .contact h2 span{color:var(--signal)}
  .contact .sub{color:var(--text-invert-dim);margin:18px 0 34px;max-width:52ch;font-size:1.05rem}
  .contact-links{display:flex;flex-direction:column;border-top:1px solid var(--ink-line)}
  .clink{display:flex;align-items:center;justify-content:space-between;padding:20px 4px;border-bottom:1px solid var(--ink-line);transition:padding-left .25s,color .25s;font-family:var(--font-mono)}
  .clink:hover{padding-left:14px;color:var(--signal)}
  .clink .k{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--text-invert-dim);width:110px;flex-shrink:0}
  .clink:hover .k{color:var(--signal)}
  .clink .v{font-size:1.02rem;color:var(--text-invert);flex:1}
  .clink:hover .v{color:var(--signal)}
  .clink .arr{font-size:1rem;color:var(--text-invert-dim)}
  .clink:hover .arr{color:var(--signal)}
  @media(max-width:600px){.clink .k{width:auto;margin-right:14px}.clink .v{font-size:.86rem}}

  /* ---------- FOOTER ---------- */
  footer{background:var(--ink);color:var(--text-invert-dim);padding:28px 0;border-top:1px solid var(--ink-line)}
  footer .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.04em}
  footer .status{display:flex;align-items:center;gap:8px}
  footer .status .dot{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 8px var(--signal);animation:blink 2.4s ease-in-out infinite}
  @keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}

  /* reveal */
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}
  @media(prefers-reduced-motion:reduce){
    .reveal{opacity:1;transform:none;transition:none}
    .scroll-hint .line{animation:none}
    html{scroll-behavior:auto}
  }