:root {
  --bg: #050506;
  --bg2: #0c0d10;
  --bg3: #12141a;
  --line: rgba(255,255,255,.07);
  --line2: rgba(255,255,255,.14);
  --text: #f0f2f5;
  --muted: #a3aab6;
  --faint: #5e646f;
  --chrome: #d7dde6;
  --chrome-dim: #8a93a0;
  --accent: #e8edf4;
  --radius: 4px;
  --font: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1000px 620px at 78% -10%, rgba(215,221,230,.075), transparent 60%),
    radial-gradient(720px 420px at 0% 30%, rgba(215,221,230,.028), transparent 55%),
    var(--bg);
  background-attachment: fixed;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1060px, calc(100% - 3rem)); margin: 0 auto; }

/* ——— nav ——— */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 4.25rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  letter-spacing: .18em;
  font-size: .8rem;
}
.brand img { width: 24px; height: 24px; border-radius: 5px; }
.nav-links {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  font-size: .875rem;
}
.nav-links > a:not(.btn) { color: var(--muted); }
.nav-links > a:not(.btn):hover,
.nav-links > a[aria-current="page"] { color: var(--text); }

/* ——— buttons ——— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  padding: .6rem 1.1rem;
  font: inherit;
  font-weight: 600;
  font-size: .875rem;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.btn-primary { background: var(--accent); color: #0b0c0e; }
.btn-primary:hover { background: #fff; }
.btn-primary[disabled] { opacity: .55; cursor: default; }
.btn-ghost { background: transparent; border-color: var(--line2); color: var(--text); }
.btn-ghost:hover { border-color: var(--chrome-dim); background: rgba(255,255,255,.03); }
.btn-lg { padding: .8rem 1.4rem; font-size: .95rem; }

/* ——— page header ——— */
.page-hero {
  padding: clamp(3.5rem, 9vh, 5.5rem) 0 clamp(2.5rem, 5vh, 3.5rem);
  animation: rise .5s ease both;
}
.label {
  margin: 0 0 1.1rem;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--chrome-dim);
}
.page-hero h1 {
  margin: 0 0 1.1rem;
  font-size: clamp(2.35rem, 5.4vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -.028em;
  line-height: 1.06;
}
.page-hero p {
  margin: 0;
  color: var(--muted);
  font-size: 1.0625rem;
  line-height: 1.65;
  max-width: 56ch;
}

section.block {
  padding: clamp(3rem, 7vh, 4.5rem) 0;
  border-top: 1px solid var(--line);
}
section.block > .label { margin-bottom: 2rem; }

code, .mono { font-family: var(--mono); font-size: .88em; color: var(--chrome); }

footer { border-top: 1px solid var(--line); margin-top: 1rem; }
.foot-cols {
  display: grid;
  grid-template-columns: 1.6fr repeat(3, 1fr);
  gap: 2rem;
  padding: 2.5rem 0 2.25rem;
}
.foot-brand { display: grid; gap: .8rem; align-content: start; }
.foot-brand p {
  margin: 0;
  color: var(--faint);
  font-size: .85rem;
  line-height: 1.6;
  max-width: 26ch;
}
.foot-group { display: grid; gap: .6rem; align-content: start; }
.foot-group h2 {
  margin: 0 0 .15rem;
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 500;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--chrome-dim);
}
.foot-group a { color: var(--muted); font-size: .875rem; }
.foot-group a:hover { color: var(--text); }
.foot-bar {
  border-top: 1px solid var(--line);
  padding: 1.15rem 0 2rem;
  display: flex;
  justify-content: space-between;
  gap: .5rem 1.5rem;
  flex-wrap: wrap;
  color: var(--faint);
  font-size: .78rem;
}

@keyframes rise {
  from { transform: translateY(10px); }
  to { transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .page-hero, .hero { animation: none; }
}

@media (max-width: 820px) {
  .wrap { width: calc(100% - 2.25rem); }
  .nav-links { gap: .65rem; }
  .nav-links > a:not(.btn) { display: none; }
  .foot-cols {
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    padding-top: 2rem;
  }
  .foot-brand { grid-column: 1 / -1; }
}