:root {
  --bg: #030405;
  --panel: #07090a;
  --panel-soft: #0a0f0b;
  --line: #22282e;
  --grid: #33423b;
  --text: #d7dfe2;
  --muted: #8b979c;
  --green: #2bff88;
  --blue: #2e9bff;
  --neutral: #bbbbbb;
  --cyan: #8cffff;
  --gold: #ffd652;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", "DejaVu Sans Mono", Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 15% -10%, rgba(43, 255, 136, 0.09), transparent 60%),
    radial-gradient(900px 480px at 90% 0%, rgba(46, 155, 255, 0.1), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(51, 66, 59, 0.16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(51, 66, 59, 0.16) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(1200px 700px at 50% 0%, #000 20%, transparent 80%);
}

a {
  color: var(--cyan);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 14px clamp(18px, 5vw, 64px);
  background: rgba(3, 4, 5, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.brand {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.32em;
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(140, 255, 255, 0.45);
}

.brand:hover {
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 22px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav a {
  color: var(--muted);
}

.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.site-nav .nav-accent {
  color: var(--green);
}

.site-nav .nav-download {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--text);
}

main {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 0 clamp(18px, 5vw, 32px) 72px;
}

.hero {
  padding: clamp(64px, 12vw, 132px) 0 clamp(48px, 8vw, 88px);
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.hero-title {
  margin: 0;
  font-family: var(--mono);
  font-size: clamp(52px, 11vw, 116px);
  line-height: 0.98;
  letter-spacing: 0.06em;
  background: linear-gradient(100deg, var(--cyan) 0%, var(--green) 46%, var(--blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 26px rgba(43, 255, 136, 0.18));
}

.hero-tagline {
  margin: 20px 0 22px;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.25;
  font-weight: 600;
}

.hero-copy {
  margin: 0 0 34px;
  max-width: 640px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--panel);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: border-color 120ms ease, color 120ms ease, background 120ms ease;
}

.button:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  text-decoration: none;
}

.button-primary {
  border-color: rgba(43, 255, 136, 0.55);
  background: linear-gradient(180deg, rgba(43, 255, 136, 0.16), rgba(43, 255, 136, 0.05));
  color: var(--green);
  box-shadow: 0 0 24px rgba(43, 255, 136, 0.14);
}

.button-primary:hover {
  border-color: var(--green);
  color: var(--green);
  background: rgba(43, 255, 136, 0.2);
}

.section {
  padding: clamp(40px, 7vw, 72px) 0;
  border-top: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 26px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.section h2::before {
  content: "// ";
  color: var(--grid);
}

.prose {
  max-width: 760px;
}

.prose p {
  margin: 0 0 18px;
  color: var(--muted);
}

.prose strong {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.92em;
  letter-spacing: 0.06em;
}

.factions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 22px;
}

.faction {
  position: relative;
  padding: 26px 26px 22px;
  background: linear-gradient(180deg, var(--panel), rgba(3, 4, 5, 0.4));
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow: hidden;
}

.faction::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
}

.faction-green::before {
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}

.faction-blue::before {
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
}

.faction header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.faction h3 {
  margin: 0;
  font-family: var(--mono);
  font-size: 22px;
  letter-spacing: 0.06em;
}

.faction-green h3 {
  color: var(--green);
}

.faction-blue h3 {
  color: var(--blue);
}

.faction-mark {
  display: inline-block;
  width: 12px;
  height: 12px;
  transform: rotate(45deg);
  border: 2px solid currentColor;
}

.faction-green .faction-mark {
  color: var(--green);
}

.faction-blue .faction-mark {
  color: var(--blue);
}

.faction-idea {
  margin: 8px 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.faction p {
  margin: 0 0 14px;
  color: var(--muted);
}

.faction ul {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
}

.faction li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  color: var(--text);
}

.faction li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--grid);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  counter-reset: step;
  list-style: none;
}

.steps li {
  position: relative;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.step-name {
  display: block;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.step-arrow {
  display: block;
  margin: 6px 0 10px;
  font-family: var(--mono);
  color: var(--grid);
}

.steps p {
  margin: 0;
  font-size: 15px;
  color: var(--muted);
}

.download .download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 22px 0 14px;
}

.download-note {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.download-note::before {
  content: "! ";
  color: var(--gold);
}

.site-footer {
  padding: 26px clamp(18px, 5vw, 64px) 42px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--muted);
}

.site-footer p {
  margin: 0;
  max-width: 900px;
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .site-header {
    position: static;
  }

  .site-nav {
    gap: 4px 14px;
    font-size: 12px;
  }

  .hero {
    padding-top: 56px;
  }
}