:root {
  --bg: #0b1016;
  --bg-soft: #111821;
  --card: #121a24;
  --border: #1f2a37;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #34d399;
  --accent-soft: rgba(52, 211, 153, 0.12);
  --grid: rgba(148, 163, 184, 0.06);
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius: 12px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fa;
    --bg-soft: #eef1f5;
    --card: #ffffff;
    --border: #e1e6ec;
    --text: #0f1720;
    --muted: #5b6878;
    --accent: #059669;
    --accent-soft: rgba(5, 150, 105, 0.1);
    --grid: rgba(15, 23, 32, 0.045);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 70%);
}

a { color: inherit; text-decoration: none; }

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 24px; }

.dim { color: var(--muted); }

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { font: 600 15px var(--mono); }
.prompt { color: var(--accent); margin-right: 6px; }
.nav nav { display: flex; gap: 22px; font-size: 14px; color: var(--muted); }
.nav nav a:hover { color: var(--text); }
.nav-cta { color: var(--accent) !important; }

/* Hero */
.hero { padding: 96px 24px 56px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  margin: 0 0 22px; padding: 6px 12px;
  font: 13px var(--mono); color: var(--muted);
  border: 1px solid var(--border); border-radius: 999px; background: var(--bg-soft);
}
.dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
h1 {
  margin: 0;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 750;
}
.role { margin: 12px 0 0; font: 500 clamp(17px, 2.4vw, 22px) var(--mono); color: var(--accent); }
.lead { max-width: 680px; margin: 24px 0 0; font-size: 18px; color: var(--muted); }

.cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center;
  padding: 11px 20px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--card);
  font-weight: 600; font-size: 15px;
  transition: border-color .15s, transform .15s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #04130d; }

.facts {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px;
  max-width: 680px; margin: 48px 0 0;
}
.facts div { border-left: 2px solid var(--accent); padding-left: 14px; }
.facts dt { font: 700 28px var(--mono); }
.facts dd { margin: 2px 0 0; font-size: 14px; color: var(--muted); }

.terminal {
  margin-top: 48px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--card); overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: 7px; padding: 10px 14px;
  border-bottom: 1px solid var(--border); background: var(--bg-soft);
}
.term-bar span { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.term-bar em { margin-left: 10px; font: normal 13px var(--mono); color: var(--muted); }
.terminal pre { margin: 0; padding: 16px 18px; overflow-x: auto; font: 13.5px/1.7 var(--mono); }
.terminal .k { color: var(--muted); }
.terminal .ok { color: var(--accent); }
.term-narrow, .cmd-narrow { display: none; }

/* Sections */
.section { padding: 64px 24px; }
h2 {
  display: flex; align-items: baseline; gap: 14px;
  margin: 0 0 28px; font-size: 28px; letter-spacing: -0.02em;
}
.num { font: 500 14px var(--mono); color: var(--accent); }

.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.card {
  padding: 22px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--card); transition: border-color .15s;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 60%, var(--border)); }
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; font-size: 15px; color: var(--muted); }

.stack { border: 1px solid var(--border); border-radius: var(--radius); background: var(--card); }
.stack-row {
  display: grid; grid-template-columns: 170px 1fr; gap: 16px; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
}
.stack-row:last-child { border-bottom: 0; }
.stack-row h3 { margin: 0; font: 600 13px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.stack-row ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.stack-row li {
  padding: 4px 10px; border-radius: 6px; font: 13px var(--mono);
  background: var(--bg-soft); border: 1px solid var(--border);
}

.timeline { margin: 0; padding: 0; list-style: none; }
.timeline li {
  display: grid; grid-template-columns: 170px 1fr; gap: 24px;
  padding: 22px 0; border-bottom: 1px solid var(--border);
}
.timeline li:first-child { padding-top: 0; }
.when { font: 13px/1.9 var(--mono); color: var(--muted); }
.what h3 { margin: 0 0 6px; font-size: 18px; }
.at { font-weight: 400; color: var(--muted); }
.what p { margin: 0; color: var(--muted); font-size: 15px; }
.edu { margin: 24px 0 0; font-size: 14px; color: var(--muted); }


.contact { text-align: center; padding-top: 48px; padding-bottom: 80px; }
.contact h2 { justify-content: center; font-size: clamp(28px, 4vw, 40px); }
.contact p { margin: -8px 0 0; color: var(--muted); }
.contact .cta { justify-content: center; }

.footer {
  display: flex; justify-content: space-between; gap: 16px;
  padding-top: 24px; padding-bottom: 40px;
  border-top: 1px solid var(--border);
  font: 13px var(--mono); color: var(--muted);
}

/* Responsive */
@media (max-width: 860px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  body { font-size: 15px; }
  .wrap { padding-left: 16px; padding-right: 16px; }

  /* Compact nav: drop the surname, keep all links */
  .nav-inner { height: 54px; gap: 12px; }
  .logo .dim { display: none; }
  .nav nav { gap: 14px; font-size: 13px; }

  .hero { padding-top: 48px; padding-bottom: 40px; }
  .eyebrow { border-radius: 10px; font-size: 12px; margin-bottom: 18px; }
  .lead { font-size: 16px; margin-top: 18px; }

  /* Full-width buttons, easy to tap */
  .cta { flex-direction: column; gap: 10px; margin-top: 26px; }
  .btn { justify-content: center; width: 100%; padding: 13px 16px; }

  /* Facts stay in one row */
  .facts { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 34px; }
  .facts div { padding-left: 10px; }
  .facts dt { font-size: 22px; }
  .facts dd { font-size: 12px; line-height: 1.4; }

  /* Terminal switches to a vertical layout */
  .terminal { margin-top: 34px; }
  .term-wide, .cmd-wide { display: none; }
  .term-narrow { display: block; }
  .cmd-narrow { display: inline; }
  .terminal pre { font-size: 13px; padding: 14px 16px; }

  .section { padding-top: 44px; padding-bottom: 44px; }
  h2 { font-size: 24px; margin-bottom: 20px; }
  .cards { grid-template-columns: 1fr; gap: 12px; }
  .card { padding: 18px; }

  .stack-row { grid-template-columns: 1fr; gap: 10px; padding: 14px 16px; }
  .stack-row li { font-size: 12.5px; }

  .timeline li { grid-template-columns: 1fr; gap: 4px; padding: 18px 0; }
  .what h3 { font-size: 17px; }
  .at { display: block; margin-top: 2px; font: 13px var(--mono); }
  .at .sep { display: none; }

  .contact { padding-bottom: 56px; }
  .contact p { margin-top: -4px; }
  .footer { flex-direction: column; gap: 4px; }
}

@media (max-width: 360px) {
  .nav nav a[href="#focus"] { display: none; }
  .facts dt { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .card { transition: none; }
}