:root {
  --bg: #0a0d16;
  --bg-2: #0e1220;
  --surface: rgba(255, 255, 255, 0.025);
  --border: rgba(255, 255, 255, 0.07);
  --border-hi: rgba(255, 255, 255, 0.14);
  --text: #e6e8ef;
  --muted: #8d95aa;
  --lamp: #f3b660;        /* warm desk-lamp accent */
  --moon: #9db4ff;        /* cool moonlight accent */
  --ok: #7ad3a5;
  --radius: 14px;
  --max: 1120px;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; }

/* night sky: moon glow top-right, faint stars, lamp glow low-left */
.sky {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(600px 400px at 85% -5%, rgba(157, 180, 255, 0.13), transparent 70%),
    radial-gradient(700px 500px at -10% 110%, rgba(243, 182, 96, 0.07), transparent 70%),
    linear-gradient(180deg, var(--bg-2), var(--bg) 60%);
}
.sky::after {
  content: ""; position: absolute; inset: 0; opacity: 0.5;
  background-image:
    radial-gradient(1px 1px at 12% 18%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 33% 8%, #cfd8ff 50%, transparent 51%),
    radial-gradient(1px 1px at 58% 22%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 12%, #fff 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 91% 30%, #cfd8ff 50%, transparent 51%),
    radial-gradient(1px 1px at 22% 40%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 47% 35%, #fff 50%, transparent 51%),
    radial-gradient(1px 1px at 80% 48%, #fff 50%, transparent 51%);
  animation: twinkle 7s ease-in-out infinite alternate;
}
@keyframes twinkle { from { opacity: 0.35; } to { opacity: 0.6; } }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  /* full-width bar, content aligned to the --max column */
  padding: 18px max(24px, calc((100% - var(--max)) / 2 + 24px));
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(10, 13, 22, 0.85), rgba(10, 13, 22, 0.55));
  border-bottom: 1px solid transparent;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; font: 600 20px/1 var(--mono); letter-spacing: 0.5px;
}
.brand .dot { color: var(--lamp); }
.moon { width: 22px; height: 22px; fill: var(--moon); filter: drop-shadow(0 0 6px rgba(157, 180, 255, 0.6)); }
.nav nav { display: flex; align-items: center; gap: 26px; }
.nav nav a { text-decoration: none; color: var(--muted); font-size: 15px; transition: color .2s; }
.nav nav a:hover { color: var(--text); }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: 10px;
  text-decoration: none; font-weight: 600; font-size: 15px;
  transition: transform .15s, box-shadow .2s, border-color .2s, background .2s;
}
.btn-primary {
  background: var(--lamp); color: #1a1206;
  box-shadow: 0 0 0 1px rgba(243, 182, 96, 0.4), 0 8px 30px -8px rgba(243, 182, 96, 0.5);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 0 1px rgba(243, 182, 96, 0.6), 0 10px 36px -8px rgba(243, 182, 96, 0.7); }
.nav nav .btn-ghost, .btn-ghost {
  color: var(--text); border: 1px solid var(--border-hi); padding: 8px 16px;
}
.nav nav .btn-ghost:hover, .btn-ghost:hover { border-color: var(--moon); color: var(--moon); }
.btn-link { color: var(--muted); padding-left: 4px; }
.btn-link:hover { color: var(--text); }

/* layout */
main { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow { font: 500 13px/1 var(--mono); color: var(--lamp); letter-spacing: 1px; margin: 0 0 14px; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
h2 { font-size: clamp(28px, 4vw, 38px); margin-bottom: 36px; }
h3 { font-size: 18px; margin-bottom: 8px; }
p { margin: 0; color: var(--muted); }

/* hero */
.hero {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 56px; align-items: center;
  padding: 96px 0 120px;
}
.hero > * { min-width: 0; }  /* let the terminal scroll instead of widening the column */
.hero h1 { font-size: clamp(36px, 5.6vw, 60px); margin-bottom: 22px; }
.glow { color: var(--moon); text-shadow: 0 0 30px rgba(157, 180, 255, 0.35); }
.lede { font-size: 18px; max-width: 34em; margin-bottom: 32px; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

.terminal {
  background: rgba(8, 10, 18, 0.85);
  border: 1px solid var(--border-hi); border-radius: var(--radius);
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, 0.8), 0 0 60px -20px rgba(157, 180, 255, 0.25);
  overflow: hidden;
}
.term-bar {
  display: flex; align-items: center; gap: 7px; padding: 11px 14px;
  border-bottom: 1px solid var(--border); background: rgba(255, 255, 255, 0.02);
}
.term-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2a3044; }
.term-bar span { margin-left: 8px; font: 12px var(--mono); color: var(--muted); }
.terminal pre {
  margin: 0; padding: 18px 20px 22px; overflow-x: auto;
  font: 13.5px/1.9 var(--mono); color: #c9cfdf;
}
.terminal .p { color: var(--lamp); }
.terminal .t { color: #5d667d; }
.terminal .ok { color: var(--ok); }
.terminal .m { color: #6f7891; }
.cursor { display: inline-block; width: 8px; height: 16px; vertical-align: -3px; background: var(--moon); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* sections */
.section { padding: 80px 0; border-top: 1px solid var(--border); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; transition: border-color .2s, transform .2s, background .2s;
}
.card:hover { border-color: rgba(157, 180, 255, 0.35); background: rgba(157, 180, 255, 0.03); transform: translateY(-2px); }
.card p { font-size: 15px; }

.steps { list-style: none; padding: 0; margin: 0 0 36px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.steps li { border-left: 1px solid var(--border-hi); padding-left: 22px; }
.num { display: block; font: 600 14px var(--mono); color: var(--moon); margin-bottom: 12px; }
.steps p { font-size: 15px; }
.stack { font: 14px var(--mono); color: #6f7891; }

.contact { text-align: center; padding: 110px 0 120px; }
.contact h2 { margin-bottom: 14px; }
.contact p { margin: 0 auto 30px; max-width: 32em; }

.footer {
  max-width: var(--max); margin: 0 auto; padding: 28px 24px 40px;
  display: flex; justify-content: space-between; gap: 16px;
  border-top: 1px solid var(--border); color: #6f7891; font-size: 14px;
}
.footer a { color: #6f7891; text-decoration: none; }
.footer a:hover { color: var(--moon); }

:focus-visible { outline: 2px solid var(--moon); outline-offset: 3px; border-radius: 6px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 56px 0 80px; gap: 40px; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .nav { padding: 14px 16px; }
  .nav nav { gap: 14px; }
  .nav nav a:not(.btn) { display: none; }
  main { padding: 0 16px; }
  .grid, .steps { grid-template-columns: 1fr; }
  .terminal pre { font-size: 12px; }
  .footer { flex-direction: column; padding: 24px 16px 32px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}