:root {
  --bg: #14161a;
  --graphite: #1c1f24;
  --panel: #262a31;
  --line: #32383f;
  --lime: #d4ff3f;
  --ink: #10120e;
  --text: #eef0e4;
  --muted: #a3a894;
  --display: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: "Segoe UI", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--sans); line-height: 1.5; overflow-wrap: break-word;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
.wrap { width: min(1120px, calc(100% - 2rem)); margin-inline: auto; }

.skip { position: absolute; left: -999px; }
.skip:focus {
  left: 1rem; top: 1rem; z-index: 20; background: var(--lime);
  color: var(--ink); padding: 0.5rem 0.75rem; text-decoration: none;
}

.site-header {
  position: sticky; top: 0; z-index: 5;
  background: #14161aed; border-bottom: 1px solid var(--line);
}
.header-bar {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 0.75rem; padding: 0.85rem 0;
}
.logo {
  font-family: var(--display); font-weight: 700;
  letter-spacing: 0.16em; text-decoration: none;
}
.menu-toggle, .cta, button[type="submit"] {
  background: var(--lime); color: var(--ink); border: 0;
  font-family: var(--display); font-weight: 700; cursor: pointer;
}
.menu-toggle { padding: 0.55rem 0.8rem; }
#site-nav { display: none; flex-basis: 100%; }
#site-nav ul {
  list-style: none; margin: 0; padding: 0 0 0.8rem;
  display: flex; flex-direction: column; gap: 0.45rem;
}
#site-nav a { text-decoration: none; font-family: var(--display); }
.menu-toggle[aria-expanded="true"] + #site-nav { display: block; }

.hero {
  display: grid; gap: 1.5rem; padding: 2.4rem 0 2.8rem; align-items: center;
}
.kicker {
  margin: 0 0 0.6rem; font-family: var(--display); font-size: 0.78rem;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--lime);
}
.hero h1 {
  margin: 0 0 1rem; font-family: var(--display);
  font-size: clamp(1.8rem, 6vw, 4.1rem); line-height: 0.95;
  text-transform: uppercase; letter-spacing: -0.04em;
}
.lead { margin: 0; color: var(--muted); max-width: 36rem; }
.cta {
  display: inline-block; margin-top: 1.2rem;
  padding: 0.85rem 1.1rem; text-decoration: none;
}
.orbit-art {
  width: min(100%, 380px); margin-inline: auto;
  overflow: hidden;
}
.orbit-motion {
  transform-origin: 50% 50%; transform-box: view-box;
  animation: spin 48s linear infinite;
}
@keyframes spin { to { transform: rotate(1turn); } }

section { padding: 2.1rem 0; }
h2 {
  margin: 0 0 1.15rem; font-family: var(--display); font-size: 0.95rem;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--lime);
}
.grid { display: grid; gap: 1rem; }
.grid > * { min-width: 0; }
.card, .step { background: var(--panel); padding: 1.1rem; }
h3, summary, label { font-family: var(--display); }
h3 { margin: 0 0 0.4rem; font-size: 1.05rem; }
.card p, .step p, details p { margin: 0; color: var(--muted); }
.stages { counter-reset: step; }
.step { border-left: 3px solid var(--lime); background: var(--graphite); }
.step h3::before {
  content: counter(step, decimal-leading-zero) " / ";
  counter-increment: step; color: var(--lime);
}
.case-lime { background: var(--lime); color: var(--ink); }
.case-lime .kicker, .case-lime p { color: #3a4708; }
.case-ink { background: #0c0d0f; box-shadow: inset 6px 0 0 var(--lime); }
details { background: var(--graphite); padding: 0.85rem 1rem; margin-bottom: 0.55rem; }
summary { cursor: pointer; }
.note { color: var(--muted); }
label { display: block; margin: 0.85rem 0 0.3rem; }
input {
  width: 100%; max-width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--line); padding: 0.7rem 0.75rem; font: inherit;
}
button[type="submit"] { margin-top: 1rem; padding: 0.8rem 1.1rem; }
#form-status { min-height: 1.4em; color: var(--lime); }
.site-footer {
  border-top: 1px solid var(--line); padding: 1.4rem 0 2.4rem;
  color: var(--muted); font-size: 0.9rem;
}

a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--lime); outline-offset: 3px;
}

@media (min-width: 768px) {
  .menu-toggle { display: none; }
  #site-nav { display: block; flex-basis: auto; }
  #site-nav ul { flex-direction: row; gap: 1.05rem; padding: 0; }
  .hero { grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); }
  .features, .cases { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stages { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .features { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .cases { grid-template-columns: 1.15fr 0.9fr 0.9fr; }
}
@media (min-width: 1440px) {
  .wrap { width: min(1240px, calc(100% - 4rem)); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}