:root {
  --bg: #0a0a0b;
  --fg: #ededee;
  --muted: #9a9aa3;
  --dim: #7a7a84;
  --line: #1f1f23;
  --line-strong: #2e2e34;
  --card: #101012;
  --accent: #7c9cff;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --max: 1120px;
  --gutter: 32px;

  /* type scale */
  --fs-xs: 12.5px;
  --fs-sm: 14px;
  --fs-base: 16px;
  --fs-md: 17px;
}

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; color-scheme: dark; scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 400 var(--fs-base)/1.65 var(--sans);
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
p { margin: 0; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
::selection { background: color-mix(in srgb, var(--accent) 30%, transparent); }

.wrap { width: 100%; max-width: calc(var(--max) + 64px); margin-inline: auto; padding-inline: var(--gutter); }

.skip { position: absolute; left: -999px; top: 8px; background: var(--fg); color: var(--bg); padding: 8px 14px; border-radius: 6px; z-index: 20; }
.skip:focus { left: 8px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 600; font-size: 15px; letter-spacing: -0.01em; }
.brand-short { display: none; }
nav { display: flex; align-items: center; gap: 28px; font-size: var(--fs-sm); color: var(--muted); }
nav a { padding: 4px 0; transition: color .15s; }
nav a:hover, nav a[aria-current] { color: var(--fg); }
nav .nav-cta { color: var(--bg); background: var(--fg); border-radius: 8px; padding: 6px 14px; font-weight: 500; transition: opacity .15s; }
nav .nav-cta:hover { color: var(--bg); opacity: .85; }

/* Hero */
.hero { position: relative; padding-block: clamp(72px, 12vw, 152px) clamp(56px, 8vw, 96px); }
.hero::before {
  content: ""; position: absolute; top: -60px; left: 50%; width: 100vw; margin-left: -50vw; height: 640px; z-index: -1; pointer-events: none; overflow: hidden;
  background:
    radial-gradient(560px 280px at 22% 30%, rgba(124,156,255,.15), transparent 70%),
    radial-gradient(460px 260px at 58% 20%, rgba(192,132,252,.11), transparent 70%),
    radial-gradient(circle at 1px 1px, rgba(255,255,255,.07) 1px, transparent 0) 0 0 / 28px 28px;
  -webkit-mask-image: linear-gradient(#000 40%, transparent);
  mask-image: linear-gradient(#000 40%, transparent);
}
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 400 13px/1.4 var(--mono); color: var(--muted); margin-bottom: 32px; }
.dot { flex: none; width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 4px rgba(74,222,128,.15); }
h1 { margin: 0; max-width: 16ch; font: 600 clamp(42px, 7.4vw, 84px)/1.03 var(--sans); letter-spacing: -0.045em; text-wrap: balance; }
.hl { background: linear-gradient(100deg, #7c9cff, #c084fc 60%, #f0abfc); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.lede { margin-top: 32px; max-width: 580px; font-size: clamp(17px, 1.8vw, 20px); line-height: 1.6; color: var(--muted); text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 40px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; height: 44px; padding: 0 20px;
  border-radius: 8px; font: 500 15px/1 var(--sans); color: var(--fg);
  border: 1px solid var(--line-strong); background: transparent; cursor: pointer;
  transition: border-color .15s, background .15s, opacity .15s;
}
.btn:hover { border-color: var(--dim); background: #131316; }
.btn-primary { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.btn-primary:hover { background: var(--fg); opacity: .88; }

.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 24px; margin: clamp(56px, 8vw, 96px) 0 0; border-top: 1px solid var(--line); }
.facts > div { padding-top: 20px; }
.facts dt { font: 400 var(--fs-xs)/1 var(--mono); color: var(--dim); text-transform: uppercase; letter-spacing: .06em; }
.facts dd { margin: 10px 0 0; font-size: var(--fs-base); font-weight: 500; line-height: 1.4; }
.facts > div:nth-child(1) dd { color: #7c9cff; }
.facts > div:nth-child(2) dd { color: #c084fc; }
.facts > div:nth-child(3) dd { color: #4ade80; }
.facts > div:nth-child(4) dd { color: #fb923c; }

/* Sections: label column + content column */
.section {
  display: grid; grid-template-columns: 220px 1fr; gap: 32px; padding-block: clamp(56px, 8vw, 96px);
  background: linear-gradient(var(--line), var(--line)) center top / calc(100% - 2 * var(--gutter)) 1px no-repeat;
}
.label { margin: 0; font: 400 13px/1.65 var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.label::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 2px; background: var(--accent); margin-right: 10px; vertical-align: 1px; }
.body { min-width: 0; }
.prose { display: grid; gap: 22px; max-width: 700px; font-size: clamp(18px, 1.9vw, 21px); line-height: 1.6; letter-spacing: -0.01em; text-wrap: pretty; }
.prose p:first-child { color: var(--fg); }
.prose p + p { color: var(--muted); }

h3 { margin: 0; font-size: 18px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.4; }
.tags { font: 400 var(--fs-xs)/1.7 var(--mono); color: var(--dim); }
.when { font: 400 13px/1.9 var(--mono); color: var(--dim); }

/* Experience */
.roles { list-style: none; margin: 0; padding: 0; }
.role { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding-block: 32px; border-top: 1px solid var(--line); }
.role:first-child { border-top: 0; padding-top: 0; }
.role:last-child { padding-bottom: 0; }
.role h3 { font-size: 18px; font-weight: 500; }
.role .title { margin-top: 2px; font-size: var(--fs-sm); color: var(--accent); }
.role .title + p { margin-top: 12px; color: var(--muted); max-width: 600px; text-wrap: pretty; }

/* Cards */
.card, .project a, .certs li { background: var(--card); border: 1px solid var(--line); border-radius: 12px; }

/* Projects */
.projects { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.project a {
  position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 14px; height: 100%; padding: 28px;
  transition: border-color .2s, background .2s;
}
.project a::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: linear-gradient(90deg, var(--c), transparent 70%); opacity: .7; }
.project a::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .25s;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--c) 14%, transparent), transparent 70%); }
.project a:hover { border-color: color-mix(in srgb, var(--c) 45%, var(--line-strong)); }
.project a:hover::after { opacity: 1; }
.project-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.pdot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--c); margin-right: 10px; vertical-align: 1px; }
.ext { color: var(--dim); transition: color .2s, transform .2s; }
.project a:hover .ext { color: var(--c); transform: translate(2px, -2px); }
.project p:not(.tags) { font-size: 15px; color: var(--muted); line-height: 1.65; }
.project .tags { margin-top: auto; padding-top: 10px; color: color-mix(in srgb, var(--c) 70%, var(--muted)); }

/* Stack */
.stack { margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 32px; }
.stack > div { padding-block: 20px; border-top: 1px solid var(--line); }
.stack > div:nth-child(-n+2) { padding-top: 0; border-top: 0; }
.stack dt { font: 400 var(--fs-xs)/1 var(--mono); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px; }
.stack > div:nth-child(1) dt { color: #7c9cff; }
.stack > div:nth-child(2) dt { color: #c084fc; }
.stack > div:nth-child(3) dt { color: #4ade80; }
.stack > div:nth-child(4) dt { color: #fb923c; }
.stack > div:nth-child(5) dt { color: #f472b6; }
.stack > div:nth-child(6) dt { color: #38bdf8; }
.stack dd { margin: 0; font-size: 15.5px; line-height: 1.7; }

/* Education & certifications */
.edu { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.edu .card { display: flex; flex-direction: column; gap: 10px; padding: 24px; position: relative; overflow: hidden; }
.edu .card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 1px; background: linear-gradient(90deg, var(--c), transparent 70%); opacity: .7; }
.edu .when { color: var(--c); line-height: 1.4; }
.edu .muted { font-size: 15px; color: var(--muted); line-height: 1.65; }
.edu .tags { margin-top: auto; padding-top: 6px; color: color-mix(in srgb, var(--c) 70%, var(--muted)); }
.certs { list-style: none; margin: 16px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.certs li { display: flex; align-items: flex-start; gap: 14px; padding: 20px 24px; }
.certs .pdot { margin: 7px 0 0; flex: none; }
.certs h3 { font-size: 16px; font-weight: 500; }
.certs p { margin-top: 4px; font: 400 var(--fs-xs)/1.6 var(--mono); color: color-mix(in srgb, var(--c) 70%, var(--muted)); }

/* Contact */
.contact-wrap { padding-block: clamp(32px, 6vw, 64px) clamp(56px, 8vw, 96px); }
.contact-card {
  position: relative; overflow: hidden; padding: clamp(32px, 6vw, 72px);
  border: 1px solid var(--line-strong); border-radius: 20px;
  background:
    radial-gradient(520px 260px at 0% 0%, rgba(124,156,255,.13), transparent 70%),
    radial-gradient(480px 260px at 100% 100%, rgba(192,132,252,.12), transparent 70%),
    var(--card);
}
.contact-card .eyebrow { margin-bottom: 24px; }
.contact-title { margin: 0; max-width: 14ch; font: 600 clamp(34px, 6vw, 68px)/1.04 var(--sans); letter-spacing: -0.04em; text-wrap: balance; }
.contact-lede { margin-top: 20px; max-width: 460px; color: var(--muted); }
.contact-card .actions { margin-top: 32px; }
.contact-links { list-style: none; margin: clamp(40px, 6vw, 64px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.contact-links a {
  position: relative; display: grid; gap: 2px; padding: 16px 18px;
  border: 1px solid var(--line-strong); border-radius: 12px; background: rgba(255,255,255,.015);
  transition: border-color .2s, background .2s;
}
.contact-links a:hover { border-color: color-mix(in srgb, var(--c) 55%, var(--line-strong)); background: rgba(255,255,255,.03); }
.contact-links span { font-size: 15px; font-weight: 500; }
.contact-links span::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--c); margin-right: 10px; vertical-align: 1px; }
.contact-links small { font: 400 var(--fs-xs)/1.5 var(--mono); color: var(--muted); overflow-wrap: anywhere; }
.contact-links i { position: absolute; top: 14px; right: 16px; font-style: normal; color: var(--dim); transition: color .2s, transform .2s; }
.contact-links a:hover i { color: var(--c); transform: translate(2px, -2px); }

.btn-split { display: inline-flex; }
.btn-split .btn:first-child { border-radius: 8px 0 0 8px; }
.btn-split .btn-icon { width: 44px; padding: 0; justify-content: center; border-left: 0; border-radius: 0 8px 8px 0; }

/* Footer */
.site-footer { display: flex; justify-content: space-between; padding-block: 28px 44px; font-size: var(--fs-sm); color: var(--dim);
  background: linear-gradient(var(--line), var(--line)) center top / calc(100% - 2 * var(--gutter)) 1px no-repeat; }
.site-footer a:hover { color: var(--fg); }

/* Reveal */
.js-reveal .section { opacity: 0; transform: translateY(10px); transition: opacity .5s ease, transform .5s ease; }
.js-reveal .section.in { opacity: 1; transform: none; }

@media (max-width: 860px) {
  .section { grid-template-columns: 1fr; gap: 28px; }
  .facts { grid-template-columns: 1fr 1fr; row-gap: 20px; }
  .contact-links { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  :root { --gutter: 20px; }
  body { font-size: 16px; }
  .brand-full { display: none; }
  .brand-short { display: inline; }
  nav { gap: 16px; font-size: 13px; }
  nav a[href="#stack"] { display: none; }
  .role { grid-template-columns: 1fr; gap: 6px; }
  .projects, .stack, .certs, .edu, .contact-links { grid-template-columns: 1fr; }
  .stack > div:nth-child(2) { padding-top: 20px; border-top: 1px solid var(--line); }
  .project a { padding: 22px; }
  .contact-card { padding: 28px 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}