:root {
  --ink: #07090c;
  --ink-2: #0e1318;
  --panel: #131a21;
  --line: rgba(200, 137, 58, 0.2);
  --line-strong: rgba(200, 137, 58, 0.42);
  --copper: #c8893a;
  --copper-2: #e8c27a;
  --teal: #2bb3a8;
  --teal-2: #86efe4;
  --paper: #edf1ec;
  --mute: #8d9891;
  --danger: #d45d4a;
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.5);
  --sans: "Outfit", "Segoe UI", sans-serif;
  --display: "Syne", "Outfit", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

::selection {
  background: rgba(43, 179, 168, 0.35);
  color: var(--paper);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1100px 520px at 8% -12%, rgba(200, 137, 58, 0.16), transparent 55%),
    radial-gradient(900px 420px at 108% -8%, rgba(43, 179, 168, 0.12), transparent 52%),
    radial-gradient(700px 380px at 50% 120%, rgba(200, 137, 58, 0.06), transparent 50%),
    var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(232, 236, 232, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 236, 232, 0.028) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse at 40% 20%, black 20%, transparent 78%);
  z-index: 0;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(0, 0, 0, 0.07) 3px,
    rgba(0, 0, 0, 0.07) 4px
  );
  opacity: 0.35;
  z-index: 0;
}

a { color: var(--teal-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--copper-2); }

.wrap {
  position: relative;
  z-index: 1;
  width: min(1140px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px) saturate(1.2);
  background: rgba(7, 9, 12, 0.78);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.mark {
  width: 30px;
  height: 30px;
  border: 1.5px solid var(--copper);
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.mark svg { width: 18px; height: 18px; display: block; }

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 18px;
  font-size: 14px;
}

.nav-links a { color: var(--mute); text-decoration: none; }
.nav-links a:hover,
.nav-links a[aria-current="page"] { color: var(--paper); }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--paper);
  width: 40px;
  height: 36px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 16px;
}

.hero {
  padding: 80px 0 28px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 36px;
  align-items: center;
}

.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--copper-2);
  margin: 0 0 14px;
}

h1 {
  font-family: var(--display);
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.94;
  letter-spacing: -0.035em;
  margin: 0 0 18px;
  font-weight: 800;
}

h1 em {
  font-style: normal;
  color: var(--copper-2);
}

.lede {
  max-width: 62ch;
  font-size: 18.5px;
  color: #c7d0c9;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--copper);
  color: #1a1208;
}
.btn-primary:hover { background: var(--copper-2); color: #1a1208; }

.btn-ghost {
  border-color: var(--line-strong);
  color: var(--paper);
  background: rgba(20, 27, 34, 0.55);
}
.btn-ghost:hover { border-color: var(--teal); color: var(--teal-2); }

.scope {
  position: relative;
  min-height: 280px;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(43, 179, 168, 0.05), transparent 40%),
    #080c10;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.scope-hud {
  position: absolute;
  inset: 10px 12px auto;
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mute);
  z-index: 2;
}

.scope canvas,
.scope svg.wave {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.ports {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 44px 0 8px;
}

.port {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 18px 18px 16px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.port::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--teal);
}

.port:nth-child(1)::before { background: var(--copper); }
.port:nth-child(3)::before { background: var(--teal-2); }

.port b {
  display: block;
  font-family: var(--mono);
  font-size: 22px;
  color: var(--teal-2);
}

.port span { color: var(--mute); font-size: 13px; }

.section { padding: 52px 0; }

h2 {
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 42px);
  margin: 0 0 12px;
  letter-spacing: -0.025em;
}

h3 { font-size: 18px; margin: 0 0 8px; }

.sub { color: var(--mute); max-width: 70ch; margin: 0 0 24px; }

.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

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

.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent 40%), var(--ink-2);
  border: 1px solid var(--line);
  padding: 22px 20px 20px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.card p { margin: 0; color: #c5cdc6; font-size: 15px; }

.card .tag {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 8px;
}

.arch {
  border: 1px solid var(--line);
  background: #090d11;
  padding: 18px 12px 8px;
  overflow-x: auto;
}

.arch svg { width: 100%; min-width: 640px; height: auto; display: block; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th { color: var(--mute); font-weight: 500; font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
td code, p code, li code {
  font-family: var(--mono);
  font-size: 0.86em;
  color: var(--teal-2);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
}

.tabs button {
  font-family: var(--sans);
  background: transparent;
  color: var(--mute);
  border: 1px solid var(--line);
  padding: 8px 14px;
  cursor: pointer;
}

.tabs button[aria-selected="true"] {
  color: var(--ink);
  background: var(--teal);
  border-color: var(--teal);
}

.panel[hidden] { display: none; }

pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  background: #07090c;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  color: #d7e0d8;
}

.note {
  border-left: 3px solid var(--copper);
  padding: 10px 14px;
  background: rgba(200, 137, 58, 0.08);
  color: #d8c9ae;
  font-size: 14px;
}

.steps {
  counter-reset: step;
  display: grid;
  gap: 18px;
}

.step h2 {
  font-size: clamp(22px, 3vw, 30px);
}

.step h2::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: inline-block;
  margin-right: 10px;
  font-family: var(--mono);
  font-size: 0.55em;
  color: var(--copper);
  vertical-align: middle;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 28px 0 52px;
  color: var(--mute);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 860px) {
  .hero-grid,
  .ports,
  .grid,
  .grid-3 { grid-template-columns: 1fr; }
  .nav-toggle { display: grid; place-items: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding: 12px 16px 18px;
    background: rgba(7, 9, 12, 0.96);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
  }
  .nav.open .nav-links { display: flex; }
  h1 { font-size: 40px; }
  .hero { padding-top: 48px; }
  .scope { min-height: 200px; }
}