:root {
  --bg: #f6f4ef; --surface: #ffffff; --ink: #17181a; --ink-2: #4c4f55; --line: #dedad0;
  --accent: #b83e12; --accent-ink: #ffffff; --scope: #0f1a14; --scope-line: #1f3a2b; --trace: #6dfc9b;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111214; --surface: #191b1e; --ink: #ecebe7; --ink-2: #a9adb3; --line: #2b2e33;
          --accent: #ff7a4d; --accent-ink: #1a0b05; --scope: #0a120d; --scope-line: #1a3124; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.wrap { width: min(1120px, 100% - 48px); margin-inline: auto; }

/* header */
.top { display: flex; align-items: center; justify-content: space-between; padding: 22px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; letter-spacing: -.01em; text-decoration: none; }
.mark { width: 28px; height: 28px; }
.mark rect, .mark circle:not(:last-child) { fill: var(--accent); }
.mark path { stroke: var(--accent); stroke-width: 2; stroke-linecap: round; fill: none; }
.mark circle { fill: var(--bg); }
.top nav a { font-size: 15px; color: var(--ink-2); text-decoration: none; padding: 6px 2px; }
.top nav a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }

/* hero */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; padding: 72px 0 96px; }
.kicker { font: 500 13px var(--mono); color: var(--accent); letter-spacing: .04em; margin: 0 0 18px; }
h1 { font-size: clamp(40px, 6vw, 68px); line-height: 1.02; letter-spacing: -.035em; margin: 0 0 22px; font-weight: 750; }
.lede { font-size: 19px; color: var(--ink-2); max-width: 32em; margin: 0 0 32px; }
.cta { display: inline-flex; align-items: center; gap: 8px; background: var(--ink); color: var(--bg); text-decoration: none;
       font-weight: 600; font-size: 15px; padding: 12px 18px; border-radius: 10px; transition: transform .15s ease; }
.cta:hover { transform: translateY(-1px); }

/* the bench: an oscilloscope */
.bench { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 18px; padding: 16px;
         box-shadow: 0 1px 0 var(--line), 0 24px 60px -30px rgba(0, 0, 0, .35); }
.scope { position: relative; background: var(--scope); border-radius: 10px; overflow: hidden; aspect-ratio: 400 / 220; }
.scope svg { display: block; width: 100%; height: 100%; }
.scope .grid path { fill: none; stroke: var(--scope-line); stroke-width: 1; }
.scope .grid { fill: url(#grid); }
#grid path { fill: none; stroke: var(--scope-line); stroke-width: 1; }
.scope .axis { stroke: var(--scope-line); stroke-width: 2; fill: none; }
.scope .trace { fill: none; stroke: var(--trace); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round;
                filter: drop-shadow(0 0 6px rgba(109, 252, 155, .55));
                stroke-dasharray: 900; stroke-dashoffset: 900; animation: sweep 3.2s cubic-bezier(.5, 0, .3, 1) .2s infinite; }
@keyframes sweep { 0% { stroke-dashoffset: 900; opacity: 1; } 70% { stroke-dashoffset: 0; opacity: 1; } 100% { stroke-dashoffset: 0; opacity: 0; } }
.readout { position: absolute; font: 500 11px var(--mono); color: var(--trace); opacity: .8; }
.r1 { left: 12px; top: 10px; } .r2 { right: 12px; bottom: 10px; }
.knobs { display: flex; align-items: center; gap: 14px; padding: 14px 4px 2px; }
.knobs i { width: 26px; height: 26px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line);
           box-shadow: inset 0 -3px 0 rgba(0, 0, 0, .08); position: relative; }
.knobs i::after { content: ""; position: absolute; left: 50%; top: 4px; width: 2px; height: 8px; margin-left: -1px; background: var(--ink-2); border-radius: 1px; }
.knobs i:nth-child(2)::after { transform: rotate(50deg); transform-origin: 1px 9px; }
.knobs i:nth-child(3)::after { transform: rotate(-35deg); transform-origin: 1px 9px; }
.led { margin-left: auto; width: 9px; height: 9px; border-radius: 50%; background: var(--trace); box-shadow: 0 0 10px var(--trace); }

/* projects */
.projects { padding: 24px 0 96px; }
h2 { font-size: 15px; font-family: var(--mono); font-weight: 500; color: var(--ink-2); letter-spacing: .04em; text-transform: uppercase; margin: 0 0 20px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 26px 26px 22px; }
.card h3 { font-size: 24px; letter-spacing: -.02em; margin: 6px 0 10px; }
.card p { margin: 0 0 14px; color: var(--ink-2); }
.card .meta { font: 13px var(--mono); margin: 18px 0 0; color: var(--ink-2); }
.card.next { background: transparent; border-style: dashed; }
.tag { display: inline-block; font: 600 12px var(--mono); letter-spacing: .03em; padding: 3px 9px; border-radius: 999px;
       border: 1px solid var(--line); color: var(--ink-2); margin: 0 !important; }
.tag.live { color: var(--ink); }
.tag.live::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #1f9d55; margin-right: 7px; vertical-align: 1px; }

/* footer */
.foot { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 28px 0 40px; border-top: 1px solid var(--line); font-size: 14px; }
.muted { color: var(--ink-2); }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; gap: 40px; padding: 40px 0 64px; }
  .lede { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scope .trace { animation: none; stroke-dashoffset: 0; }
  .cta { transition: none; }
}