/* ===== XeroNine design tokens v2 =====
   Dark is the default scheme. Light applies under prefers-color-scheme: light unless the
   visitor forced dark, and always under [data-theme="light"]. Semantic names only. */
:root{
  color-scheme:dark light;
  --bg:#07070d;
  --bg-2:#0a0a12;
  --surface:rgba(255,255,255,0.03);
  --surface-2:rgba(255,255,255,0.06);
  --surface-solid:#11111c;
  --border:rgba(255,255,255,0.09);
  --border-strong:rgba(255,255,255,0.18);
  --border-glow:rgba(124,92,255,0.45);
  --text:#e7e9f3;
  --muted:#a3a9bd;
  --faint:#8089a0;
  --accent:#22d3ee;
  --accent-2:#6366f1;
  --accent-3:#a855f7;
  --link:#67e8f9;
  --on-accent:#08080f;
  --focus:#facc15;
  --ok:#34d399;
  --err:#f87171;
  --grad:linear-gradient(120deg,#22d3ee 0%,#6366f1 50%,#a855f7 100%);
  --grad-soft:linear-gradient(120deg,rgba(34,211,238,.14),rgba(168,85,247,.14));
  --shadow:0 24px 60px -22px rgba(99,102,241,.55);
  --maxw:1120px;
  --gutter:16px;
  --radius:14px;
  --radius-lg:20px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:'Space Grotesk',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,Menlo,Consolas,'Liberation Mono',monospace;
}
@media (prefers-color-scheme:light){
  :root:not([data-theme="dark"]){
    --bg:#f5f6fa;
    --bg-2:#ffffff;
    --surface:rgba(255,255,255,0.72);
    --surface-2:rgba(255,255,255,0.95);
    --surface-solid:#ffffff;
    --border:rgba(16,20,40,0.12);
    --border-strong:rgba(16,20,40,0.24);
    --border-glow:rgba(99,102,241,0.45);
    --text:#15182a;
    --muted:#4b5168;
    --faint:#5e6580;
    --accent:#0b6b7f;
    --accent-2:#4f46e5;
    --accent-3:#7e22ce;
    --link:#0b6b7f;
    --on-accent:#ffffff;
    --focus:#b45309;
    --ok:#047857;
    --err:#b91c1c;
    --grad:linear-gradient(120deg,#0b6b7f 0%,#4f46e5 50%,#7e22ce 100%);
    --grad-soft:linear-gradient(120deg,rgba(11,107,127,.10),rgba(126,34,206,.10));
    --shadow:0 20px 50px -24px rgba(79,70,229,.35);
  }
}
:root[data-theme="light"]{
  --bg:#f5f6fa;
  --bg-2:#ffffff;
  --surface:rgba(255,255,255,0.72);
  --surface-2:rgba(255,255,255,0.95);
  --surface-solid:#ffffff;
  --border:rgba(16,20,40,0.12);
  --border-strong:rgba(16,20,40,0.24);
  --border-glow:rgba(99,102,241,0.45);
  --text:#15182a;
  --muted:#4b5168;
  --faint:#5e6580;
  --accent:#0b6b7f;
  --accent-2:#4f46e5;
  --accent-3:#7e22ce;
  --link:#0b6b7f;
  --on-accent:#ffffff;
  --focus:#b45309;
  --ok:#047857;
  --err:#b91c1c;
  --grad:linear-gradient(120deg,#0b6b7f 0%,#4f46e5 50%,#7e22ce 100%);
  --grad-soft:linear-gradient(120deg,rgba(11,107,127,.10),rgba(126,34,206,.10));
  --shadow:0 20px 50px -24px rgba(79,70,229,.35);
}
/* ===== self-hosted fonts (OFL-1.1, see assets/fonts/LICENSE.txt) =====
   Latin subset only, one variable file per family; the system stack in tokens.css covers
   everything else and browsers without variable-font support. swap: text is never invisible. */
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/space-grotesk-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 500;font-display:swap;src:url(/assets/fonts/jetbrains-mono-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
/* ===== XeroNine v2: resume + portfolio =====
   Mobile-first. Every rule that uses var() for a core colour carries a static fallback first,
   so browsers without custom properties still render readable dark text on a dark page.
   No :has(), aspect-ratio, color-mix() or nesting. Grid is wrapped in @supports with a
   flex/stack fallback. Motion and blur are enhancements only. */

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
html.js-fx{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-family:var(--font-sans);
  background:#07070d;background:var(--bg);
  color:#e7e9f3;color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
p a,li a,dd a,.prose a,.crumbs a,.footer-links a,.resume a{color:#67e8f9;color:var(--link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}
p a:hover,li a:hover,.prose a:hover{text-decoration-thickness:2px}
img,svg{max-width:100%;height:auto}
img{display:block}
button{font:inherit;color:inherit}
ul,ol{list-style:none}
::selection{background:rgba(99,102,241,.4)}
:focus{outline:2px solid #facc15;outline:2px solid var(--focus);outline-offset:3px}
:focus:not(:focus-visible){outline:none}
:focus-visible{outline:2px solid #facc15;outline:2px solid var(--focus);outline-offset:3px}
[hidden]{display:none !important}

.skip-link{position:absolute;left:8px;top:-60px;z-index:200;padding:10px 14px;border-radius:8px;background:#22d3ee;background:var(--accent);color:#08080f;color:var(--on-accent);font-weight:700}
.skip-link:focus{top:8px}
main:focus{outline:none}

/* ===== atmosphere (enhancements) ===== */
.top-line{position:fixed;top:0;left:0;right:0;height:3px;z-index:100;background:#6366f1;background:linear-gradient(90deg,#22d3ee,#6366f1,#a855f7,#22d3ee);background-size:200% 100%}
#bg-canvas{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:-3;opacity:.5}
.aurora{position:fixed;top:0;left:0;right:0;bottom:0;z-index:-2;overflow:hidden;pointer-events:none;
  background:radial-gradient(ellipse at 15% 0%,rgba(34,211,238,.18),transparent 55%),radial-gradient(ellipse at 90% 100%,rgba(168,85,247,.18),transparent 55%)}
.blob{display:none}
body::after{content:"";position:fixed;top:0;left:0;right:0;bottom:0;z-index:-1;pointer-events:none;background:radial-gradient(circle at 50% 0%,transparent,#07070d 78%);background:radial-gradient(circle at 50% 0%,transparent,var(--bg) 78%)}
@media (min-width:900px){
  html.js-fx #bg-canvas{display:block}
  @supports (filter:blur(80px)){
    .aurora{background:none;filter:blur(80px)}
    .blob{display:block;position:absolute;border-radius:50%;opacity:.45}
    .b1{width:46vw;height:46vw;background:radial-gradient(circle,#22d3ee,transparent 65%);top:-12vw;left:-8vw}
    .b2{width:42vw;height:42vw;background:radial-gradient(circle,#a855f7,transparent 65%);bottom:-14vw;right:-6vw}
    .b3{width:36vw;height:36vw;background:radial-gradient(circle,#6366f1,transparent 65%);top:38%;left:48%}
    html.js-fx .blob{animation:drift 26s cubic-bezier(.22,.61,.36,1) infinite}
    html.js-fx .b2{animation-delay:-8s}
    html.js-fx .b3{animation-delay:-15s}
    html.js-fx .top-line{animation:topline 3s linear infinite}
  }
}
@keyframes topline{from{background-position:0% 0%}to{background-position:200% 0%}}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(6vw,4vw) scale(1.12)}66%{transform:translate(-5vw,2vw) scale(.92)}}

/* ===== nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center;-webkit-justify-content:space-between;justify-content:space-between;
  padding:14px 16px;padding:14px var(--gutter);border-bottom:1px solid transparent;transition:padding .3s,background .3s,border-color .3s}
.nav.scrolled{padding-top:10px;padding-bottom:10px;background:#0a0a12;background:rgba(8,8,14,.92);border-bottom-color:rgba(255,255,255,.09);border-bottom-color:var(--border)}
@supports ((backdrop-filter:blur(14px)) or (-webkit-backdrop-filter:blur(14px))){
  .nav.scrolled{background:rgba(8,8,14,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
  :root[data-theme="light"] .nav.scrolled{background:rgba(245,246,250,.78)}
  @media (prefers-color-scheme:light){:root:not([data-theme="dark"]) .nav.scrolled{background:rgba(245,246,250,.78)}}
}
.brand{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center;font-weight:700;font-size:1.1rem}
.brand-mark{width:30px;height:30px;margin-right:10px}
.brand .accent{color:#22d3ee;color:var(--accent)}
@supports (-webkit-background-clip:text) or (background-clip:text){
  .brand .accent,.grad{background:linear-gradient(120deg,#22d3ee,#6366f1,#a855f7);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
}
.nav-links{display:none}
.nav-toggle{display:-webkit-flex;display:flex;-webkit-flex-direction:column;flex-direction:column;-webkit-justify-content:center;justify-content:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:10px;background:rgba(255,255,255,.03);background:var(--surface);cursor:pointer}
.nav-toggle span{display:block;width:18px;height:2px;margin:2px auto;background:#e7e9f3;background:var(--text);border-radius:2px;transition:transform .25s,opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-menu{position:fixed;top:0;right:0;bottom:0;width:78%;max-width:300px;z-index:60;background:#0a0a12;background:var(--surface-solid);border-left:1px solid rgba(255,255,255,.09);border-left:1px solid var(--border);
  padding:80px 24px 40px;overflow-y:auto;transform:translateX(100%);visibility:hidden;transition:transform .3s,visibility .3s}
.mobile-menu.open{transform:translateX(0);visibility:visible}
.mobile-menu a,.mobile-menu button{display:block;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid rgba(255,255,255,.09);border-bottom:1px solid var(--border);color:#e7e9f3;color:var(--text);font-size:1.05rem;padding:13px 4px;cursor:pointer}
.nav-backdrop{display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:55;background:rgba(0,0,0,.5)}
.nav-backdrop.open{display:block}
.theme-toggle{display:-webkit-inline-flex;display:inline-flex;-webkit-align-items:center;align-items:center;-webkit-justify-content:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);background:rgba(255,255,255,.03);background:var(--surface);cursor:pointer;color:#a3a9bd;color:var(--muted)}
.theme-toggle:hover{color:#e7e9f3;color:var(--text);border-color:rgba(124,92,255,.45);border-color:var(--border-glow)}
.theme-toggle .ico-moon{display:none}
:root[data-theme="light"] .theme-toggle .ico-sun{display:none}
:root[data-theme="light"] .theme-toggle .ico-moon{display:inline}
@media (prefers-color-scheme:light){
  :root:not([data-theme="dark"]) .theme-toggle .ico-sun{display:none}
  :root:not([data-theme="dark"]) .theme-toggle .ico-moon{display:inline}
}
.theme-toggle-text{width:auto;height:auto;border-radius:0}
@media (min-width:900px){
  .nav{padding-left:5vw;padding-right:5vw}
  .nav-links{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center;font-size:.95rem}
  .nav-links > a{color:#a3a9bd;color:var(--muted);margin-left:22px;padding:4px 0;position:relative;transition:color .2s}
  .nav-links > a:hover,.nav-links > a[aria-current="page"]{color:#e7e9f3;color:var(--text)}
  .nav-links > a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:#22d3ee;background:var(--grad)}
  .nav-links .btn-ghost{color:#e7e9f3;color:var(--text);margin-left:14px}
  .nav-links .theme-toggle{margin-left:14px}
  .nav-toggle,.mobile-menu,.nav-backdrop{display:none !important}
}

/* ===== buttons, pills, chips ===== */
.btn-primary,.btn-ghost{display:inline-block;font-weight:600;font-size:.95rem;padding:11px 20px;border-radius:12px;cursor:pointer;text-decoration:none;border:1px solid transparent;transition:transform .2s,box-shadow .25s,background .25s,border-color .25s;line-height:1.3}
.btn-primary{background:#22d3ee;background:var(--grad);color:#08080f;color:var(--on-accent);box-shadow:0 8px 30px -8px rgba(99,102,241,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(168,85,247,.7)}
.btn-ghost{border-color:rgba(255,255,255,.09);border-color:var(--border);color:#e7e9f3;color:var(--text);background:rgba(255,255,255,.03);background:var(--surface)}
.btn-ghost:hover{border-color:rgba(124,92,255,.45);border-color:var(--border-glow);background:rgba(255,255,255,.06);background:var(--surface-2);transform:translateY(-2px)}
.btn-sm{padding:8px 14px;font-size:.88rem;border-radius:10px}
.is-disabled{opacity:.6;cursor:default}
.pill{display:inline-block;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.7rem;letter-spacing:.8px;text-transform:uppercase;padding:4px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.18);border:1px solid var(--border-strong);color:#a3a9bd;color:var(--muted);margin:2px 4px 2px 0;white-space:nowrap;vertical-align:middle}
.pill-public{color:#22d3ee;color:var(--accent);border-color:currentColor}
.pill-live{color:#34d399;color:var(--ok);border-color:currentColor}
.pill-private{color:#a855f7;color:var(--accent-3);border-color:currentColor}
.pill-pending{color:#8089a0;color:var(--faint);border-style:dashed}
.pill-mono{text-transform:none;letter-spacing:0}
.chips{display:-webkit-flex;display:flex;-webkit-flex-wrap:wrap;flex-wrap:wrap}
.chips li{margin:0 8px 8px 0}
.chip{display:inline-block;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.82rem;color:#a3a9bd;color:var(--muted);padding:8px 12px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:10px;background:rgba(255,255,255,.03);background:var(--surface);line-height:1.3}
a.chip-link{text-decoration:none;color:#e7e9f3;color:var(--text)}
a.chip-link:hover{border-color:rgba(124,92,255,.45);border-color:var(--border-glow)}
.chip-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#22d3ee;background:var(--accent);margin-left:8px;vertical-align:middle}
.tags{display:-webkit-flex;display:flex;-webkit-flex-wrap:wrap;flex-wrap:wrap;margin:10px 0 0}
.tags li{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.72rem;color:#8089a0;color:var(--faint);padding:4px 9px;border-radius:7px;background:rgba(255,255,255,.06);background:var(--surface-2);margin:0 6px 6px 0}

/* ===== layout ===== */
.section{max-width:1120px;max-width:var(--maxw);margin:0 auto;padding:56px 16px;padding:56px var(--gutter)}
.section-first{padding-top:110px}
.section-tight{padding-top:24px;padding-bottom:24px}
.section-head{margin-bottom:32px;max-width:720px}
.kicker{display:block;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.78rem;letter-spacing:2px;text-transform:uppercase;color:#22d3ee;color:var(--accent)}
.section-head h1,.section-head h2{font-size:1.9rem;font-weight:700;letter-spacing:-.5px;margin-top:10px;line-height:1.15}
.section-note{color:#a3a9bd;color:var(--muted);margin-top:12px}
.section-more{margin-top:28px}
.section-more .btn-ghost,.section-more .btn-primary{margin:0 10px 10px 0}
.sub-heading{font-size:1rem;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);letter-spacing:1px;text-transform:uppercase;color:#a3a9bd;color:var(--muted);margin:18px 0 12px;font-weight:500}
.grid > *{margin-bottom:20px}
.two-col > *{margin-bottom:24px}
@supports (display:grid){
  .grid{display:grid;gap:20px}
  .grid > *,.two-col > *{margin-bottom:0}
  .two-col{display:grid;gap:28px}
  @media (min-width:700px){
    .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
    .grid-three{grid-template-columns:repeat(3,minmax(0,1fr))}
    .grid-skills{grid-template-columns:repeat(2,minmax(0,1fr))}
    .two-col{grid-template-columns:1fr 1fr}
  }
  @media (min-width:1000px){
    .grid-cards{grid-template-columns:repeat(3,minmax(0,1fr))}
    .grid-skills{grid-template-columns:repeat(3,minmax(0,1fr))}
  }
}
@media (min-width:700px){
  .section{padding:84px 5vw}
  .section-first{padding-top:140px}
  .section-head h1,.section-head h2{font-size:2.6rem;letter-spacing:-1.2px}
}

/* ===== hero ===== */
.hero{padding:104px 16px 32px;padding:104px var(--gutter) 32px;max-width:1120px;max-width:var(--maxw);margin:0 auto}
.hero-grid > *{margin-bottom:28px}
.eyebrow{display:inline-block;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.78rem;color:#a3a9bd;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px;padding:6px 14px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.03);background:var(--surface);margin-bottom:18px}
.eyebrow .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#22d3ee;background:var(--accent);margin-right:8px;vertical-align:middle}
html.js-fx .eyebrow .dot{animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-title{font-size:2.6rem;font-weight:700;line-height:1;letter-spacing:-1.5px;margin-bottom:12px}
.hero-headline{font-size:1.25rem;font-weight:600;line-height:1.3;margin-bottom:16px;color:#e7e9f3;color:var(--text)}
.hero-headline .grad{color:#22d3ee;color:var(--accent)}
@supports (-webkit-background-clip:text) or (background-clip:text){.hero-headline .grad{color:transparent}}
.hero-desc{color:#a3a9bd;color:var(--muted);font-size:1.02rem;max-width:600px;margin-bottom:18px}
.hero-roles{margin-bottom:22px;line-height:2}
.hero-roles-label{font-size:.85rem;color:#8089a0;color:var(--faint);margin-right:6px;text-transform:uppercase;letter-spacing:1px;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono)}
.hero-cta .btn-primary,.hero-cta .btn-ghost{margin:0 10px 10px 0}
.now-card{display:block;margin:18px 0 0;padding:16px 18px;border:1px solid rgba(255,255,255,.18);border:1px solid var(--border-strong);border-radius:14px;border-radius:var(--radius);background:rgba(99,102,241,.08);background:var(--grad-soft);max-width:600px}
.now-card p{margin:0}
.now-label{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.74rem;letter-spacing:1.5px;text-transform:uppercase;color:#22d3ee;color:var(--accent);margin-bottom:6px}
.now-label .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#22d3ee;background:var(--accent);margin-right:8px;vertical-align:middle}
html.js-fx .now-label .dot{animation:pulse 2s infinite}
.now-title{font-size:1.25rem;font-weight:700;letter-spacing:-.3px;line-height:1.3;margin-bottom:4px}
.now-title a{color:#e7e9f3;color:var(--text);text-decoration:none}
.now-title a:hover{color:#22d3ee;color:var(--accent)}
.now-title .pill{margin-left:6px}
.now-blurb{color:#a3a9bd;color:var(--muted);font-size:.95rem;margin-bottom:8px}
.now-links a{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.86rem;color:#22d3ee;color:var(--accent);text-decoration:none;margin-right:16px}
.now-links a:hover{text-decoration:underline}
.hero-art{max-width:480px;margin:0 auto}
.hero-art figcaption{font-size:.82rem;color:#8089a0;color:var(--faint);text-align:center;margin-top:8px;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono)}
.topo{width:100%;height:auto;color:#a3a9bd;color:var(--muted);display:block}
.topo .accent{color:#22d3ee;color:var(--accent)}
.topo-text{font-size:11px}
html.js-fx .topo-pulse circle{animation:pulse 2.4s infinite}
html.js-fx .topo-pulse circle:nth-child(2){animation-delay:.8s}
html.js-fx .topo-pulse circle:nth-child(3){animation-delay:1.6s}
@media (min-width:900px){
  .hero{padding-top:150px;padding-bottom:40px;padding-left:5vw;padding-right:5vw}
  .hero-grid{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center}
  .hero-copy{-webkit-flex:1 1 58%;flex:1 1 58%;padding-right:40px}
  .hero-art{-webkit-flex:0 0 40%;flex:0 0 40%;margin:0}
  .hero-grid > *{margin-bottom:0}
  .hero-title{font-size:4rem;letter-spacing:-2.5px}
  .hero-headline{font-size:1.5rem}
}

/* ===== proof strip ===== */
.proof{max-width:1120px;max-width:var(--maxw);margin:0 auto;padding:8px 16px 24px;padding:8px var(--gutter) 24px}
.proof-strip{display:-webkit-flex;display:flex;-webkit-flex-wrap:wrap;flex-wrap:wrap;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:14px;border-radius:var(--radius);background:rgba(255,255,255,.03);background:var(--surface);overflow:hidden}
.proof-tile{-webkit-flex:1 1 50%;flex:1 1 50%;min-width:140px;border-right:1px solid rgba(255,255,255,.09);border-right:1px solid var(--border);border-bottom:1px solid rgba(255,255,255,.09);border-bottom:1px solid var(--border)}
.proof-tile a{display:block;padding:16px 14px;text-decoration:none;color:inherit;height:100%}
.proof-tile a:hover{background:rgba(255,255,255,.06);background:var(--surface-2)}
.proof-value{display:block;font-size:1.6rem;font-weight:700;letter-spacing:-.5px;color:#22d3ee;color:var(--accent);line-height:1.1}
.proof-label{display:block;font-size:.8rem;color:#a3a9bd;color:var(--muted);margin-top:4px;line-height:1.3}
@media (min-width:700px){.proof-tile{-webkit-flex:1 1 0;flex:1 1 0;border-bottom:0}.proof-tile:last-child{border-right:0}.proof-value{font-size:2rem}}

/* ===== cards ===== */
.card{position:relative;padding:22px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:20px;border-radius:var(--radius-lg);background:rgba(255,255,255,.03);background:var(--surface);transition:transform .25s,border-color .3s,box-shadow .3s}
.card:hover{border-color:rgba(124,92,255,.45);border-color:var(--border-glow);box-shadow:0 24px 60px -22px rgba(99,102,241,.55);box-shadow:var(--shadow)}
.card-top{display:-webkit-flex;display:flex;-webkit-align-items:center;align-items:center;-webkit-justify-content:space-between;justify-content:space-between;margin-bottom:10px}
.card-kind{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.72rem;letter-spacing:1.5px;text-transform:uppercase;color:#8089a0;color:var(--faint)}
.card-title{font-size:1.22rem;line-height:1.25;margin-bottom:6px}
.card-title a{color:inherit;text-decoration:none}
.card-title a:hover{color:#22d3ee;color:var(--accent)}
.card-tagline{color:#e7e9f3;color:var(--text);font-weight:500;margin-bottom:8px}
.card-summary{color:#a3a9bd;color:var(--muted);font-size:.93rem}
.card-shot{margin:14px 0 4px;border-radius:10px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border)}
.repo-meta{margin-top:10px}
.card-actions{margin-top:14px}
.card-link{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.86rem;color:#22d3ee;color:var(--accent);text-decoration:none}
.card-link:hover{text-decoration:underline}
.card-link.is-muted{color:#8089a0;color:var(--faint)}
.project-card.is-primary{border-color:rgba(255,255,255,.18);border-color:var(--border-strong);background:rgba(99,102,241,.08);background:var(--grad-soft)}
.project-card.is-primary .card-title{font-size:1.5rem}
.project-card.is-primary .card-summary{font-size:1rem;color:#e7e9f3;color:var(--text)}
.card-link-live{margin-left:14px}
@supports (display:grid){
  @media (min-width:700px){.grid-cards > .is-primary,.grid-cards > .grid-primary{grid-column:span 2}.grid-cards > .is-primary:only-child,.grid-cards > .grid-primary:only-child{grid-column:1 / -1}}
}
.mini-card h3{font-size:1.08rem;margin-bottom:8px}
.mini-card p{color:#a3a9bd;color:var(--muted);font-size:.95rem}
.oss-card .card-top{-webkit-align-items:flex-start;align-items:flex-start}

/* ===== timeline ===== */
.timeline{border-left:2px solid rgba(255,255,255,.09);border-left:2px solid var(--border);margin-left:6px;padding-left:22px}
.timeline-item{position:relative;padding-bottom:30px}
.timeline-item::before{content:"";position:absolute;left:-29px;top:6px;width:12px;height:12px;border-radius:50%;background:#22d3ee;background:var(--accent);box-shadow:0 0 0 4px #07070d;box-shadow:0 0 0 4px var(--bg)}
.timeline-when{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.8rem;color:#8089a0;color:var(--faint);margin-bottom:4px}
.timeline-body h3{font-size:1.15rem;line-height:1.3;margin-bottom:6px}
.timeline-body h3 .at{color:#8089a0;color:var(--faint);font-weight:400}
.timeline-body h3 a{color:#22d3ee;color:var(--accent);text-decoration:none}
.timeline-summary{color:#a3a9bd;color:var(--muted);margin-bottom:8px}
.bullets{padding-left:18px;list-style:disc}
.bullets li{margin-bottom:6px;color:#a3a9bd;color:var(--muted)}
.plain li{margin-bottom:6px}

/* ===== skills, certs ===== */
.skill-group h3{font-size:.95rem;color:#22d3ee;color:var(--accent);margin-bottom:10px;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);letter-spacing:1px;text-transform:uppercase;font-weight:500}
.cert-list li{padding:12px 0;border-bottom:1px solid rgba(255,255,255,.09);border-bottom:1px solid var(--border)}
.cert-name{display:block;font-weight:600}
a.cert-name{color:#67e8f9;color:var(--link)}
.cert-issuer{color:#a3a9bd;color:var(--muted);font-size:.9rem;margin-right:10px}
.cert-dates{color:#8089a0;color:var(--faint);font-size:.85rem;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);margin-right:10px}
.cert.is-lapsed .cert-name{font-weight:500;color:#a3a9bd;color:var(--muted)}
.chips-plain .chip{font-size:.8rem;white-space:normal}

/* ===== diagrams ===== */
.diagram{margin:0;padding:18px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:20px;border-radius:var(--radius-lg);background:rgba(255,255,255,.03);background:var(--surface)}
.diagram-svg svg,.diagram-placeholder svg{width:100%;height:auto;display:block;color:#e7e9f3;color:var(--text)}
.diagram svg .accent{color:#22d3ee;color:var(--accent)}
.diagram figcaption{font-size:.88rem;color:#a3a9bd;color:var(--muted);margin-top:12px;line-height:1.5}
.shot{margin:0 0 28px}
.shot img{border-radius:12px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border)}
.shot figcaption,.hero-art figcaption{font-size:.85rem;color:#8089a0;color:var(--faint);margin-top:8px}

/* ===== projects page ===== */
.subnav{margin-top:18px}
.subnav a{display:inline-block;margin:0 12px 8px 0;font-size:.92rem;color:#a3a9bd;color:var(--muted);text-decoration:none;border-bottom:1px solid rgba(255,255,255,.18);border-bottom:1px solid var(--border-strong)}
.subnav a:hover{color:#e7e9f3;color:var(--text)}
.subnav .count{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.75rem;color:#8089a0;color:var(--faint)}
.project-group{margin-top:44px}
.project-group h2{font-size:1.4rem;margin-bottom:18px;padding-top:12px}

/* ===== case study ===== */
.crumbs{font-size:.85rem;color:#8089a0;color:var(--faint);margin-bottom:14px}
.crumbs a{color:#a3a9bd;color:var(--muted);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
.study-head h1{font-size:2rem;line-height:1.15;letter-spacing:-.8px;margin:8px 0 8px}
.study-tagline{font-size:1.15rem;color:#a3a9bd;color:var(--muted);max-width:760px}
.study-facts{margin-top:22px;border-top:1px solid rgba(255,255,255,.09);border-top:1px solid var(--border)}
.study-facts > div{padding:10px 0;border-bottom:1px solid rgba(255,255,255,.09);border-bottom:1px solid var(--border)}
.study-facts dt{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.72rem;letter-spacing:1.5px;text-transform:uppercase;color:#8089a0;color:var(--faint)}
.study-facts dd{margin-top:2px}
.study-facts .tags{margin-top:4px}
.study-links{margin-top:18px}
.study-links .btn-primary,.study-links .btn-ghost{margin:0 8px 8px 0}
.study-body{padding-top:0;max-width:860px}
.study-summary{font-size:1.1rem;color:#e7e9f3;color:var(--text);margin-bottom:28px}
.study-section{margin-top:36px}
.study-section h2,.prose h2{font-size:1.45rem;letter-spacing:-.4px;margin-bottom:14px;padding-top:8px}
.prose h3{font-size:1.1rem;margin:18px 0 8px}
.prose p,.prose li{color:#a3a9bd;color:var(--muted);margin-bottom:10px}
.prose ul{list-style:disc;padding-left:20px}
.prose ol{list-style:decimal;padding-left:20px}
.prose code{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.88em;background:rgba(255,255,255,.06);background:var(--surface-2);padding:1px 5px;border-radius:5px}
.prose pre{background:#0a0a12;background:var(--surface-solid);border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:10px;padding:14px;overflow-x:auto;margin-bottom:14px}
.prose pre code{background:none;padding:0}
.prose table{border-collapse:collapse;width:100%;margin-bottom:16px;font-size:.92rem}
.prose th,.prose td{border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);padding:8px 10px;text-align:left;vertical-align:top}
.prose blockquote{border-left:3px solid #22d3ee;border-left:3px solid var(--accent);padding-left:14px;color:#a3a9bd;color:var(--muted);margin-bottom:12px}
.prose .diagram,.study-section .diagram{margin:8px 0 18px}
.numbers,.prose .numbers{list-style:none;padding-left:0}
.numbers{display:-webkit-flex;display:flex;-webkit-flex-wrap:wrap;flex-wrap:wrap;margin:6px -6px 14px}
.numbers li,.prose .numbers li{color:inherit;-webkit-flex:1 1 150px;flex:1 1 150px;margin:6px;padding:14px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:14px;border-radius:var(--radius);background:rgba(255,255,255,.03);background:var(--surface)}
.num-value{display:block;font-size:1.5rem;font-weight:700;color:#22d3ee;color:var(--accent);letter-spacing:-.5px;word-break:break-word}
.num-label{display:block;font-size:.85rem;color:#a3a9bd;color:var(--muted);line-height:1.35;margin-top:4px}
.study-nav{display:-webkit-flex;display:flex;-webkit-justify-content:space-between;justify-content:space-between;border-top:1px solid rgba(255,255,255,.09);border-top:1px solid var(--border);margin-top:20px}
.study-nav a{display:block;max-width:48%;text-decoration:none;color:#e7e9f3;color:var(--text)}
.study-nav a span{display:block}
.study-nav .dir{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.78rem;color:#8089a0;color:var(--faint);margin-bottom:4px}
.study-next{text-align:right;margin-left:auto}
@media (min-width:700px){
  .study-head h1{font-size:2.8rem;letter-spacing:-1.5px}
  .study-facts{display:-webkit-flex;display:flex;-webkit-flex-wrap:wrap;flex-wrap:wrap}
  .study-facts > div{-webkit-flex:1 1 200px;flex:1 1 200px;padding-right:20px}
}

/* ===== contact ===== */
.contact{text-align:center}
.contact-card{max-width:640px;margin:0 auto;padding:36px 20px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);border-radius:24px;background:rgba(99,102,241,.08);background:var(--grad-soft)}
.contact-card h2{font-size:1.8rem;margin:10px 0 12px;letter-spacing:-.5px}
.contact-card > p{color:#a3a9bd;color:var(--muted);margin-bottom:26px}
.contact-form{text-align:left;margin-bottom:24px}
.form-field{margin-bottom:16px}
.form-field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.req{color:#a855f7;color:var(--accent-3)}
.form-field input,.form-field textarea{font:inherit;color:#e7e9f3;color:var(--text);background:#0a0a12;background:var(--surface-solid);border:1px solid rgba(255,255,255,.18);border:1px solid var(--border-strong);border-radius:10px;padding:.7em .9em;width:100%;display:block}
.form-field input:focus,.form-field textarea:focus{border-color:rgba(124,92,255,.45);border-color:var(--border-glow)}
.form-field textarea{resize:vertical;min-height:6em}
.hp-field{position:absolute;left:-9999px;top:-9999px;height:1px;overflow:hidden}
.btn-submit{width:100%;border:0}
.btn-submit:disabled{opacity:.6;cursor:default;transform:none}
.form-status{margin-top:12px;font-weight:600;font-size:.92rem;min-height:1.4em}
.form-status.is-ok{color:#34d399;color:var(--ok)}
.form-status.is-err{color:#f87171;color:var(--err)}
.form-noscript{margin-bottom:20px;color:#a3a9bd;color:var(--muted)}
.contact-links .email-copy,.contact-links .btn-ghost{display:inline-block;margin:0 6px 10px}
.email-copy{font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:1rem;font-weight:500;padding:10px 18px;border-radius:12px;border:1px solid rgba(255,255,255,.09);border:1px solid var(--border);background:rgba(255,255,255,.03);background:var(--surface);color:#e7e9f3;color:var(--text);text-decoration:none}
.email-copy.copied,[data-copy].copied{border-color:#22d3ee;border-color:var(--accent);color:#22d3ee;color:var(--accent)}
@media (min-width:700px){.contact-card{padding:56px 44px}}

/* ===== footer ===== */
.footer{border-top:1px solid rgba(255,255,255,.09);border-top:1px solid var(--border);padding:36px 16px 56px;padding:36px var(--gutter) 56px;color:#8089a0;color:var(--faint);font-size:.88rem}
.footer-inner{max-width:1120px;max-width:var(--maxw);margin:0 auto;text-align:center}
.footer-brand{display:-webkit-inline-flex;display:inline-flex;-webkit-align-items:center;align-items:center;color:#a3a9bd;color:var(--muted);margin-bottom:10px}
.footer-mark{width:22px;height:22px;margin-right:8px;opacity:.8}
.footer-links{margin-bottom:10px;line-height:2}
.footer-links a{color:#a3a9bd;color:var(--muted)}
.footer-meta{max-width:640px;margin:0 auto;line-height:1.5}

/* ===== 404 ===== */
.notfound h1{font-size:2.2rem;margin-top:8px}
.notfound-links{margin-top:18px}

/* ===== resume page (screen) ===== */
.page-resume .nav{position:absolute}
.resume{max-width:820px;margin:0 auto;padding:100px 16px 60px;padding:100px var(--gutter) 60px}
.resume-head{margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.18);border-bottom:1px solid var(--border-strong)}
.resume-head h1{font-size:2.2rem;letter-spacing:-1px;line-height:1.1}
.resume-headline{font-size:1.1rem;color:#a3a9bd;color:var(--muted);margin:6px 0 10px}
.resume-contact{font-size:.92rem;line-height:1.8;color:#a3a9bd;color:var(--muted)}
.resume-tools{margin-top:16px}
.resume-tools .btn-ghost{margin:0 8px 8px 0}
.resume-section{margin-bottom:26px}
.resume-section h2{font-size:1.05rem;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);letter-spacing:2px;text-transform:uppercase;color:#22d3ee;color:var(--accent);margin-bottom:12px;padding-bottom:6px;border-bottom:1px solid rgba(255,255,255,.09);border-bottom:1px solid var(--border)}
.resume-targets{margin-top:8px;color:#a3a9bd;color:var(--muted)}
.role{margin-bottom:18px}
.role-compact{margin-bottom:8px}
.role-head h3{font-size:1.05rem;display:inline;margin-right:8px}
.role-company{display:inline;color:#a3a9bd;color:var(--muted)}
.role-company a{color:inherit;text-decoration:none}
.role-when{display:block;font-family:ui-monospace,Menlo,Consolas,monospace;font-family:var(--font-mono);font-size:.82rem;color:#8089a0;color:var(--faint);margin:2px 0 6px}
.role-summary{color:#e7e9f3;color:var(--text);margin-bottom:6px}
.resume-projects li,.resume-courses{margin-bottom:8px;color:#a3a9bd;color:var(--muted)}
.resume-projects strong,.resume-projects strong a{color:#e7e9f3;color:var(--text)}
.skill-row{margin-bottom:8px}
.skill-row dt{font-weight:600;display:inline;margin-right:6px}
.skill-row dt::after{content:":"}
.skill-row dd{display:inline;color:#a3a9bd;color:var(--muted)}
.print-only{display:none}
.print-url{font-size:.85em}
@media (min-width:700px){
  .resume{padding-top:120px}
  .resume-head{display:-webkit-flex;display:flex;-webkit-justify-content:space-between;justify-content:space-between;-webkit-align-items:flex-start;align-items:flex-start}
  .resume-tools{margin:0 0 0 20px;-webkit-flex:0 0 auto;flex:0 0 auto;text-align:right}
  .resume-tools .btn-ghost{display:block;margin:0 0 8px}
  .role-head{display:-webkit-flex;display:flex;-webkit-flex-wrap:wrap;flex-wrap:wrap;-webkit-align-items:baseline;align-items:baseline}
  .role-when{margin-left:auto;display:inline}
}

/* ===== reveal + motion (fx.js adds html.js-fx; content is visible without it) ===== */
html.js-fx .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
html.js-fx .reveal.visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.01s !important;scroll-behavior:auto !important}
  html.js-fx .reveal{opacity:1;transform:none}
  #bg-canvas{display:none !important}
}

/* ===== print (resume) ===== */
@media print{
  @page{size:Letter;margin:0.5in}
  html,body{background:#fff !important;color:#000 !important;font-size:10.5pt;line-height:1.15}
  body::after,.top-line,.aurora,#bg-canvas,.nav,.nav-toggle,.mobile-menu,.nav-backdrop,.footer,.skip-link,.no-print,.resume-tools,button{display:none !important}
  .resume{max-width:none;padding:0}
  .resume *{color:#000 !important;background:transparent !important;box-shadow:none !important;text-shadow:none !important}
  .resume a{text-decoration:none}
  .resume-head{border-bottom:1.5px solid #000;padding-bottom:5pt;margin-bottom:8pt;display:block}
  .resume-head h1{font-size:17pt;letter-spacing:0;line-height:1.1}
  .resume-headline{font-size:11pt;margin:1pt 0 2pt}
  .resume-contact{font-size:9.5pt;line-height:1.35}
  .resume-section{margin-bottom:5pt}
  .resume-section h2{font-size:9.5pt;letter-spacing:0;border-bottom:1px solid #000;margin-bottom:2pt;padding-bottom:1pt;font-family:'Space Grotesk',Helvetica,Arial,sans-serif}
  .resume-section p,.resume-targets{margin:0 0 2pt}
  .role,.cert,.resume-projects li,.skill-row,.role-head,.earlier-career{page-break-inside:avoid;break-inside:avoid}
  .role{margin-bottom:4pt}
  .role-compact{margin-bottom:1pt}
  .role-head{display:-webkit-flex;display:flex;-webkit-flex-wrap:wrap;flex-wrap:wrap;-webkit-align-items:baseline;align-items:baseline}
  .role-head h3{font-size:10.5pt;display:inline;margin-right:6pt}
  .role-company{display:inline}
  .role-when{display:inline;margin:0 0 0 auto;font-size:9pt;font-family:'JetBrains Mono',Menlo,Consolas,monospace}
  .role-summary{margin-bottom:1pt}
  .bullets{padding-left:12pt}
  .bullets li{margin-bottom:1pt}
  /* Two pages: the four most recent roles keep three bullets, the next ones one, summaries
     only on the two current/last roles, and roles that ended before 2013 (.role-old)
     collapse into the "Earlier career" line. ATS: no letter-spacing on headings. */
  .role:nth-of-type(-n+4) .bullets li:nth-child(n+4){display:none}
  .role:nth-of-type(n+5) .bullets li:nth-child(n+2){display:none}
  .role:nth-of-type(n+3) .role-summary{display:none}
  .role-old{display:none}
  .earlier-career{display:block;margin-top:2pt}
  .earlier-career h3{font-size:10.5pt;display:inline;margin-right:6pt}
  .earlier-career h3::after{content:":"}
  .earlier-career p{display:inline;margin:0}
  .resume-projects li{margin-bottom:1pt}
  .skill-row{margin-bottom:1pt}
  .cert-list li{padding:0 0 1pt;border:0}
  .cert-name,.cert-issuer,.cert-dates{display:inline;margin-right:5pt}
  .cert-list-prev .cert-name{font-weight:400}
  .sub-heading{font-size:9.5pt;margin:2pt 0 1pt;letter-spacing:0}
  .resume-courses{display:none}
  .pill{display:none}
  .print-url{font-size:.85em}
  .print-url::before{content:" ("}
  .print-url::after{content:")"}
  .resume-projects a[href^="http"]:not(.print-url)::after{content:" (" attr(href) ")";font-size:9pt}
  .print-only{display:block}
  .resume-foot{font-size:8.5pt;margin-top:3pt;text-align:center}
}