:root {
  --bg: #0a0e17;
  --bg-raise: #101624;
  --line: rgba(0, 229, 255, 0.18);
  --text: #f2f7ff;
  --muted: #6b7a99;
  --cyan: #00e5ff;
  --magenta: #ff2e88;
  --purple: #7a5cff;
  --grid: rgba(38, 64, 107, 0.35);
  --haze: #211e49;
  --max: 1080px;
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    repeating-linear-gradient(
      to bottom,
      rgba(255, 255, 255, 0.05) 0 0.3px,
      transparent 0.3px 2.6px
    ),
    radial-gradient(ellipse 70% 45% at 50% 38%, color-mix(in srgb, var(--haze) 55%, transparent), transparent 70%),
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: auto, auto, 28px 28px, 28px 28px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
}

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  z-index: 20;
  background: var(--bg-raise);
  padding: 0.5rem 0.75rem;
  color: var(--cyan);
}

.wrap {
  position: relative;
  width: min(var(--max), calc(100% - 3rem));
  margin-inline: auto;
}

.wrap::before,
.wrap::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--cyan);
  pointer-events: none;
  opacity: 0.7;
}

.wrap::before {
  top: 1.1rem;
  left: -0.35rem;
  border-right: 0;
  border-bottom: 0;
}

.wrap::after {
  top: 1.1rem;
  right: -0.35rem;
  border-left: 0;
  border-bottom: 0;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.6rem 0 1.4rem;
  border-bottom: 1px solid var(--line);
}

.mark {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.86rem;
  text-shadow: 1px 0.5px var(--cyan), -1px -0.5px var(--magenta);
}

.mark img,
.mark svg {
  display: block;
  width: 22px;
  height: 26px;
  filter: drop-shadow(0 0 6px rgba(0, 229, 255, 0.55));
}

nav {
  display: flex;
  gap: 1.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

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

nav a:hover,
nav a:focus-visible {
  color: var(--cyan);
}

.hero {
  position: relative;
  padding: 6rem 0 5rem;
  overflow: hidden;
}

.net {
  position: absolute;
  right: -4%;
  top: 8%;
  width: min(46%, 420px);
  height: 78%;
  pointer-events: none;
  opacity: 0.85;
}

.kicker {
  margin: 0 0 1.15rem;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0;
  max-width: 16ch;
  font-family: var(--sans);
  font-size: clamp(2.4rem, 6vw, 4.1rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-shadow: 1px 0 rgba(0, 229, 255, 0.35), -1px 0 rgba(255, 46, 136, 0.28);
}

.lede {
  margin: 1.5rem 0 2.2rem;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78rem 1.2rem;
  background: var(--cyan);
  color: #061018;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 500;
  box-shadow: 0 0 22px rgba(0, 229, 255, 0.28);
}

.cta:hover,
.cta:focus-visible {
  filter: brightness(1.08);
}

section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line);
}

h2 {
  margin: 0 0 2rem;
  font-family: var(--sans);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.15rem;
}

article {
  padding: 1.45rem 1.35rem 1.55rem;
  background: var(--bg-raise);
  border: 1px solid var(--line);
}

article h3 {
  margin: 0 0 0.7rem;
  font-size: 1.02rem;
  font-weight: 600;
}

article p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.steps {
  display: grid;
  gap: 1.4rem;
  max-width: 42rem;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  display: grid;
  grid-template-columns: 2.6rem 1fr;
  gap: 1rem;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  color: var(--magenta);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  padding-top: 0.28rem;
}

.steps strong {
  display: block;
  font-weight: 600;
}

.steps span {
  color: var(--muted);
}

.about p {
  max-width: 40rem;
  margin: 0;
  color: var(--muted);
}

.channels {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.95rem;
}

.channels li {
  display: grid;
  grid-template-columns: 4.5rem 1fr;
  gap: 0.9rem;
}

.channels span {
  color: var(--cyan);
}

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

.channels a:hover,
.channels a:focus-visible {
  color: var(--cyan);
}

footer {
  position: relative;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

footer::before,
footer::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--cyan);
  opacity: 0.7;
  bottom: 1.4rem;
}

footer::before {
  left: -0.35rem;
  border-right: 0;
  border-top: 0;
}

footer::after {
  right: -0.35rem;
  border-left: 0;
  border-top: 0;
}

@media (max-width: 800px) {
  .wrap {
    width: min(var(--max), calc(100% - 2rem));
  }

  header {
    flex-wrap: wrap;
  }

  .hero {
    padding: 3.6rem 0 3.2rem;
  }

  .net {
    opacity: 0.28;
    width: 70%;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  footer {
    flex-direction: column;
  }
}