:root {
  --bg: #050506;
  --panel: rgba(14, 12, 16, 0.82);
  --panel-strong: rgba(22, 17, 24, 0.95);
  --text: #f5f2f7;
  --muted: #b7aebf;
  --red: #b3132f;
  --red-hot: #ff3154;
  --green: #31ff8a;
  --purple: #b15cff;
  --purple-deep: #4f1f8f;
  --line: rgba(177, 92, 255, 0.22);
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.58);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 10%, rgba(179, 19, 47, 0.26), transparent 26rem),
    radial-gradient(circle at 86% 8%, rgba(177, 92, 255, 0.24), transparent 30rem),
    radial-gradient(circle at 60% 64%, rgba(49, 255, 138, 0.10), transparent 28rem),
    linear-gradient(135deg, #030304 0%, #080609 50%, #12070d 100%);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background:
    repeating-linear-gradient(0deg, transparent 0 6px, rgba(255, 255, 255, 0.045) 7px),
    linear-gradient(90deg, rgba(179, 19, 47, 0.12), transparent, rgba(49, 255, 138, 0.08));
  mix-blend-mode: screen;
}

a { color: inherit; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--green);
  color: #031006;
  font-weight: 800;
}

.skip-link:focus { top: 1rem; }

.scanline {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), var(--purple), transparent);
  box-shadow: 0 0 28px var(--green);
  animation: scan 6s linear infinite;
  pointer-events: none;
  z-index: 5;
}

@keyframes scan {
  from { transform: translateY(-10vh); }
  to { transform: translateY(110vh); }
}

.ambient {
  position: fixed;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.36;
  pointer-events: none;
}

.ambient-red { background: var(--red); left: -7rem; top: 18rem; }
.ambient-green { background: var(--green); right: -9rem; top: 32rem; opacity: 0.18; }
.ambient-purple { background: var(--purple); right: 8rem; top: -8rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
  background: rgba(5, 5, 6, 0.68);
  border-bottom: 1px solid rgba(177, 92, 255, 0.20);
}

.nav {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  font-family: var(--mono);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-glyph {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  color: var(--green);
  border: 1px solid rgba(49, 255, 138, 0.50);
  box-shadow: 0 0 24px rgba(49, 255, 138, 0.32), inset 0 0 24px rgba(49, 255, 138, 0.10);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem 1.1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--green);
  text-shadow: 0 0 18px rgba(49, 255, 138, 0.70);
}

main,
.footer {
  position: relative;
  z-index: 1;
}

.hero {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 8rem) 0 4rem;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  margin-bottom: 1.15rem;
  max-width: 11ch;
  font-size: clamp(4.4rem, 12vw, 9.4rem);
  line-height: 0.82;
  letter-spacing: -0.09em;
  text-transform: uppercase;
  text-shadow:
    -0.045em 0 rgba(255, 49, 84, 0.42),
    0.045em 0 rgba(49, 255, 138, 0.34),
    0 0 48px rgba(177, 92, 255, 0.25);
}

h2 {
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
}

h3 {
  font-size: 1.25rem;
  line-height: 1.05;
}

.lede {
  max-width: 64ch;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions,
.flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  align-items: center;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1rem;
  border: 1px solid rgba(49, 255, 138, 0.50);
  border-radius: 999px;
  text-decoration: none;
  color: var(--text);
  background: rgba(49, 255, 138, 0.08);
  box-shadow: 0 0 24px rgba(49, 255, 138, 0.12);
  font-family: var(--mono);
  font-weight: 800;
  letter-spacing: 0.04em;
}

.button.primary {
  color: #041107;
  background: linear-gradient(135deg, var(--green), #abffd0);
  box-shadow: 0 0 38px rgba(49, 255, 138, 0.28);
}

.button.ghost {
  border-color: rgba(177, 92, 255, 0.58);
  background: rgba(177, 92, 255, 0.08);
}

.button.small {
  min-height: 2.5rem;
  font-size: 0.78rem;
}

.rig-card,
.kit-card,
.drop-card,
.principle,
.terminal-panel,
.disclosure {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(16, 12, 18, 0.88), rgba(8, 8, 10, 0.72));
  box-shadow: var(--shadow);
  border-radius: 28px;
}

.rig-card {
  position: relative;
  overflow: hidden;
  padding: 1.25rem;
  min-height: 520px;
}

.rig-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: linear-gradient(125deg, rgba(179, 19, 47, 0.30), transparent 28%, rgba(49, 255, 138, 0.14), transparent 55%, rgba(177, 92, 255, 0.28));
  pointer-events: none;
}

.rig-topline,
.rig-specs {
  position: relative;
  z-index: 1;
}

.rig-topline {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 20px var(--green);
}

.cable-board {
  position: relative;
  height: 350px;
  margin: 2rem 0;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    radial-gradient(circle at 50% 50%, rgba(177, 92, 255, 0.16), transparent 16rem),
    rgba(0,0,0,0.22);
  background-size: 22px 22px, 22px 22px, auto, auto;
  overflow: hidden;
}

.port,
.node {
  position: absolute;
  border: 1px solid rgba(255,255,255,0.2);
  background: #0a080c;
  box-shadow: inset 0 0 18px rgba(0,0,0,0.8);
}

.port {
  width: 66px;
  height: 38px;
  border-radius: 12px;
}

.port-a { left: 10%; top: 18%; border-color: rgba(255,49,84,0.6); }
.port-b { right: 12%; top: 16%; border-color: rgba(49,255,138,0.6); }
.port-c { left: 18%; bottom: 14%; border-color: rgba(177,92,255,0.65); }
.port-d { right: 20%; bottom: 18%; border-color: rgba(255,49,84,0.55); }

.cable {
  position: absolute;
  height: 9px;
  border-radius: 999px;
  transform-origin: left center;
  opacity: 0.95;
}

.cable::after {
  content: "";
  position: absolute;
  inset: 2px 0;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.22) 0 7px, transparent 7px 13px);
  border-radius: inherit;
}

.cable-one {
  left: 20%; top: 25%; width: 62%;
  transform: rotate(15deg);
  background: linear-gradient(90deg, var(--red-hot), var(--purple));
  box-shadow: 0 0 22px rgba(255,49,84,0.45);
}

.cable-two {
  left: 24%; bottom: 25%; width: 55%;
  transform: rotate(-20deg);
  background: linear-gradient(90deg, var(--purple), var(--green));
  box-shadow: 0 0 22px rgba(177,92,255,0.45);
}

.cable-three {
  left: 12%; top: 53%; width: 74%;
  transform: rotate(3deg);
  background: linear-gradient(90deg, #16131a, var(--green), #17141a);
  box-shadow: 0 0 20px rgba(49,255,138,0.34);
}

.node {
  width: 86px;
  height: 86px;
  border-radius: 24px;
}

.node-one { left: 42%; top: 16%; border-color: rgba(177,92,255,0.65); }
.node-two { left: 35%; bottom: 16%; border-color: rgba(49,255,138,0.55); }
.node-three { right: 16%; top: 43%; border-color: rgba(255,49,84,0.55); }

.rig-specs {
  display: grid;
  gap: 0.8rem;
  margin: 0;
}

.rig-specs div {
  display: grid;
  gap: 0.15rem;
  padding: 0.8rem;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 16px;
  background: rgba(0,0,0,0.24);
}

.rig-specs dt {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.rig-specs dd { margin: 0; }

.section {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0;
}

.intro-grid,
.kit-grid,
.drop-grid {
  display: grid;
  gap: 1rem;
}

.intro-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kit-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.drop-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.section-heading {
  max-width: 760px;
  margin-bottom: 1.5rem;
}

.section-heading p:not(.eyebrow),
.principle p,
.kit-card p,
.drop-card p,
.signal-wall p,
.disclosure p {
  color: var(--muted);
}

.principle,
.kit-card,
.drop-card,
.disclosure {
  padding: 1.25rem;
}

.principle-index,
.kit-meta,
.tag {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.kit-card.feature {
  grid-column: span 2;
  grid-row: span 2;
  background:
    linear-gradient(145deg, rgba(179, 19, 47, 0.20), rgba(8, 8, 10, 0.82)),
    radial-gradient(circle at 90% 20%, rgba(49, 255, 138, 0.14), transparent 14rem);
}

.kit-card ul {
  margin: 1rem 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.text-link {
  color: var(--green);
  font-family: var(--mono);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 0.3em;
}

.signal-wall {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 2rem;
  align-items: center;
}

.terminal-panel {
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  gap: 0.45rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.34);
}

.terminal-bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 50%;
  background: var(--red-hot);
}

.terminal-bar span:nth-child(2) { background: var(--purple); }
.terminal-bar span:nth-child(3) { background: var(--green); }

pre {
  margin: 0;
  padding: 1.15rem;
  overflow-x: auto;
  color: #d7ffe8;
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.65;
}

.flow span {
  padding: 0.7rem 0.9rem;
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 999px;
  background: rgba(0,0,0,0.24);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.drop-card {
  position: relative;
  overflow: hidden;
}

.drop-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-top: 2px solid var(--red-hot);
  opacity: 0.6;
}

.drop-card > * { position: relative; }

.disclosure {
  display: grid;
  grid-template-columns: minmax(220px, 0.55fr) minmax(0, 1.45fr);
  gap: 2rem;
  align-items: start;
}

.footer {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  border-top: 1px solid rgba(177, 92, 255, 0.18);
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (max-width: 920px) {
  .hero,
  .signal-wall,
  .disclosure {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .kit-grid,
  .drop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .kit-card.feature {
    grid-column: span 2;
    grid-row: auto;
  }
}

@media (max-width: 620px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 1rem 0;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    padding-top: 3rem;
  }

  h1 {
    font-size: clamp(3.5rem, 19vw, 5rem);
  }

  .rig-card {
    min-height: auto;
  }

  .cable-board {
    height: 280px;
  }

  .intro-grid,
  .kit-grid,
  .drop-grid {
    grid-template-columns: 1fr;
  }

  .kit-card.feature {
    grid-column: auto;
  }

  .footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}