:root{
  --ink:#10202F;
  --ink-soft:#44566A;
  --panel:#F2F5F8;
  --paper:#FFFFFF;
  --cable:#1E5AA8;
  --cable-dark:#164683;
  --led:#2BB673;
  --line:#D5DDE6;
  --maxw:1080px;
  --display:"Bricolage Grotesque","Segoe UI",system-ui,sans-serif;
  --body:"Instrument Sans","Segoe UI",system-ui,-apple-system,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --ink:#E8EEF5;--ink-soft:#9FB0C3;--panel:#0C1824;--paper:#101F2F;
    --cable:#6FA8F0;--cable-dark:#8DBBF5;--line:#24384D;
  }
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:1.0625rem;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--cable)}
:focus-visible{outline:3px solid var(--cable);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;border-radius:6px;z-index:100}
.skip:focus{left:8px}

/* header */
.top{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{font-family:var(--display);font-weight:800;font-size:1.25rem;color:var(--ink);text-decoration:none;letter-spacing:.02em}
nav{display:flex;gap:22px}
nav a{color:var(--ink-soft);text-decoration:none;font-size:.95rem;font-weight:500;padding:6px 0}
nav a:hover{color:var(--cable)}

/* hero */
.hero{background:var(--panel);border-bottom:1px solid var(--line);padding:72px 0 80px}
.hero-grid{display:grid;grid-template-columns:1fr 300px;gap:64px;align-items:center}
.status{display:inline-flex;align-items:center;gap:10px;margin:0 0 22px;font-size:.95rem;font-weight:500;color:var(--ink-soft);background:var(--paper);border:1px solid var(--line);padding:6px 14px;border-radius:999px}
.led{width:10px;height:10px;border-radius:50%;background:var(--led);box-shadow:0 0 0 0 rgba(43,182,115,.6);animation:blink 2.4s ease-out infinite}
@keyframes blink{0%{box-shadow:0 0 0 0 rgba(43,182,115,.55)}70%,100%{box-shadow:0 0 0 10px rgba(43,182,115,0)}}
h1{font-family:var(--display);font-weight:800;font-size:clamp(2.8rem,7vw,5rem);line-height:1;letter-spacing:-.025em;margin:0 0 18px}
.role{font-family:var(--display);font-weight:500;font-size:clamp(1.1rem,2.2vw,1.45rem);color:var(--cable);margin:0 0 22px}
.lede{max-width:56ch;color:var(--ink-soft);margin:0 0 30px}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:8px;border:1.5px solid var(--ink);color:var(--ink);font-weight:600;font-size:1rem;text-decoration:none;background:transparent;transition:background .15s,color .15s,border-color .15s}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn.primary{background:var(--cable);border-color:var(--cable);color:#fff}
.btn.primary:hover{background:var(--cable-dark);border-color:var(--cable-dark);color:#fff}
.now{margin:0;font-size:.95rem;color:var(--ink-soft)}
.now strong{color:var(--ink)}

.portrait{margin:0;position:relative}
.portrait img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:10px;position:relative;z-index:1;border:1px solid var(--line)}
.portrait::before{content:"";position:absolute;inset:14px -14px -14px 14px;border:2px solid var(--cable);border-radius:10px}
.portrait figcaption{position:relative;margin-top:30px;font-size:.9rem;color:var(--ink-soft);text-align:right}

/* sections */
.block{padding:84px 0}
.block.alt{background:var(--panel);border-block:1px solid var(--line)}
h2{font-family:var(--display);font-weight:700;font-size:clamp(1.9rem,4vw,2.6rem);letter-spacing:-.015em;line-height:1.1;margin:0 0 12px}
h3{font-family:var(--display);font-weight:700;font-size:1.25rem;line-height:1.25;margin:0 0 8px}
.sub{margin:0 0 44px;color:var(--ink-soft);max-width:60ch}

/* experience: the cable */
.line{list-style:none;margin:0;padding:0 0 0 34px;position:relative}
.line::before{content:"";position:absolute;left:9px;top:10px;bottom:10px;width:3px;background:var(--cable);border-radius:2px}
.node{position:relative;margin-bottom:14px}
.node::before{content:"";position:absolute;left:-34px;top:22px;width:21px;height:21px;border-radius:50%;background:var(--paper);border:3px solid var(--cable)}
.node.current::before{background:var(--led);border-color:var(--led);box-shadow:0 0 0 5px rgba(43,182,115,.2)}
.node details{background:var(--paper);border:1px solid var(--line);border-radius:10px;transition:border-color .15s}
.node details[open],.node details:hover{border-color:var(--cable)}
summary{list-style:none;cursor:pointer;padding:18px 54px 18px 22px;position:relative;display:grid;gap:2px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);font-size:1.6rem;line-height:1;color:var(--cable);font-weight:500}
details[open] summary::after{content:"\2212"}
.when{font-size:.9rem;color:var(--ink-soft);font-weight:500}
.what{font-family:var(--display);font-weight:700;font-size:1.3rem;line-height:1.25}
.where{color:var(--ink-soft)}
details ul{margin:0;padding:4px 22px 22px 42px;color:var(--ink);max-width:72ch}
details li{margin-bottom:8px;padding-left:4px}
details li::marker{color:var(--cable)}

/* project */
.project{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:start;background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--cable);border-radius:10px;padding:30px 32px;margin-top:30px}
.project p{margin:0;max-width:62ch;color:var(--ink-soft)}

/* tags */
.tags{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tags li{font-size:.92rem;font-weight:500;padding:5px 13px;border-radius:6px;background:var(--panel);border:1px solid var(--line)}
.alt .tags li,.project .tags li{background:var(--panel)}
.project .tags{max-width:260px;justify-content:flex-end}

/* skills */
.skills{margin:34px 0 0;border-top:1px solid var(--line)}
.skills>div{display:grid;grid-template-columns:220px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line);align-items:start}
.skills dt{font-family:var(--display);font-weight:700;font-size:1.15rem;padding-top:3px}
.skills dd{margin:0}

/* credentials */
.cred-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px;margin-top:34px}
.cred-grid article{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:26px}
.cred-grid p{margin:0 0 4px;color:var(--ink-soft)}
.cred-grid .dates{color:var(--ink);font-weight:500;margin-top:10px}
.cert{border-top:5px solid var(--cable) !important}

/* contact */
.contact-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.contact-list li{display:flex;flex-wrap:wrap;align-items:center;gap:6px 24px;padding:20px 0;border-bottom:1px solid var(--line);font-size:1.15rem}
.label{width:180px;font-size:.95rem;color:var(--ink-soft);font-weight:500}
.contact-list a{font-weight:600;text-decoration:none;border-bottom:2px solid transparent}
.contact-list a:hover{border-color:var(--cable)}
.copy{font:inherit;font-size:.85rem;font-weight:600;color:var(--cable);background:transparent;border:1.5px solid var(--cable);border-radius:6px;padding:4px 12px;cursor:pointer}
.copy:hover{background:var(--cable);color:#fff}

footer{border-top:1px solid var(--line);padding:26px 0;font-size:.95rem;color:var(--ink-soft)}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.foot p{margin:0}

/* responsive */
@media (max-width:860px){
  .hero{padding:48px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .portrait{max-width:240px;order:-1;margin-left:14px}
  .project{grid-template-columns:1fr}
  .project .tags{justify-content:flex-start;max-width:none}
  .skills>div{grid-template-columns:1fr;gap:10px}
  .cred-grid{grid-template-columns:1fr}
  .block{padding:60px 0}
}
@media (max-width:620px){
  nav{gap:14px}
  nav a{font-size:.85rem}
  nav a[href="#project"],nav a[href="#credentials"]{display:none}
  .wrap{padding:0 18px}
  .label{width:100%}
  details ul{padding-left:36px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .led{animation:none}
  *{transition:none !important}
}
@media print{
  .top,.actions,.copy,.skip{display:none}
  details>*{display:block}
}

/* dynamic-render additions */
.cred-grid .cert{grid-column:auto}
.cred-grid p+p{margin-top:4px}
.loading{padding:120px 24px;text-align:center;color:var(--ink-soft)}
[hidden]{display:none !important}