@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --bg: #0b1220;
  --panel: #121a2b;
  --panel-2: #182338;
  --ink: #e8eefc;
  --muted: #9aabc8;
  --line: #2a3a58;
  --accent: #5b8cff;
  --accent-2: #36d6c3;
  --warn: #f0b429;
  --max: 72rem;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(ellipse 70% 50% at 15% -10%, rgba(91, 140, 255, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 40% at 100% 0%, rgba(54, 214, 195, 0.12), transparent 45%),
    var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

a { color: var(--accent-2); }
a:focus-visible { outline: 2px solid var(--warn); outline-offset: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, 0.85);
  border-bottom: 1px solid var(--line);
}

.top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  flex-wrap: wrap;
}

.logo {
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.logo span { color: var(--accent); }

.top nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
.top nav a:hover { color: var(--ink); }

.hero { padding: 3rem 1.25rem 2rem; }
.eyebrow {
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}
.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  line-height: 1.2;
  max-width: 18ch;
}
.lede { max-width: 54rem; color: var(--muted); margin: 0 0 1.5rem; }

.hero-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.hero-chips span {
  border: 1px solid var(--line);
  background: rgba(24, 35, 56, 0.8);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font-size: 0.82rem;
  color: var(--ink);
}

section.wrap { padding-bottom: 2.5rem; }
h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
}

.arch-grid,
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
}

.card,
.project {
  background: linear-gradient(180deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.15rem 1.2rem;
}

.card h3,
.project h3,
.stack-grid h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.card p,
.project p { color: var(--muted); margin: 0 0 0.75rem; }

.diagram {
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  background: #070d18;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: #b8c7e6;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.45;
}

.project { margin-bottom: 1rem; }
.project-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: baseline;
  flex-wrap: wrap;
  margin-bottom: 0.35rem;
}
.tag {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--warn);
  border: 1px solid rgba(240, 180, 41, 0.35);
  border-radius: 999px;
  padding: 0.2rem 0.55rem;
}
.project ul { margin: 0.25rem 0 0.5rem; padding-left: 1.15rem; color: var(--ink); }
.project li { margin: 0.25rem 0; }
.note {
  font-size: 0.85rem;
  color: var(--muted);
  border-left: 3px solid var(--accent);
  padding-left: 0.75rem;
}

.stack-grid ul { margin: 0; padding-left: 1.1rem; color: var(--muted); }
.stack-grid li { margin: 0.25rem 0; }
code {
  font-family: var(--mono);
  font-size: 0.86em;
  color: #c9d7ff;
}

.foot {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.foot p { margin: 0.3rem 0; }

@media (max-width: 640px) {
  .hero h1 { max-width: none; }
}