:root {
  --bg: #0a0814;
  --bg-2: #120d24;
  --violet: #7b2fff;
  --violet-2: #a274ff;
  --cyan: #3fe0ff;
  --text: #eeeaf8;
  --muted: #a49cbf;
  --line: rgba(162, 116, 255, 0.18);
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ───────────────────────── Background (CSS only) ───────────────────────── */

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--bg-2), transparent 70%),
    linear-gradient(180deg, var(--bg) 0%, #07050f 100%);
}

/* soft drifting AI glow */
.bg__glow {
  position: absolute;
  width: 55vmax;
  height: 55vmax;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: drift 22s ease-in-out infinite alternate;
}
.bg__glow--a {
  top: -20vmax; left: -10vmax;
  background: radial-gradient(circle, var(--violet) 0%, transparent 65%);
}
.bg__glow--b {
  bottom: -25vmax; right: -15vmax;
  background: radial-gradient(circle, #2b5cff 0%, transparent 60%);
  opacity: 0.3;
  animation-duration: 28s;
  animation-direction: alternate-reverse;
}
@keyframes drift {
  to { transform: translate(12vw, 8vh) scale(1.15); }
}

/* neural "node" dot matrix, fading towards the bottom */
.bg__dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(162, 116, 255, 0.35) 1px, transparent 1.5px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 70% 55% at 50% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 30%, #000 0%, transparent 75%);
  animation: twinkle 6s ease-in-out infinite;
}
@keyframes twinkle {
  50% { opacity: 0.55; }
}

/* factory floor: perspective grid moving towards the viewer like a conveyor */
.bg__floor {
  position: absolute;
  left: -50%;
  right: -50%;
  bottom: -10%;
  height: 70%;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  transform: perspective(600px) rotateX(62deg);
  transform-origin: 50% 100%;
  mask-image: linear-gradient(to top, #000 10%, transparent 85%);
  -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 85%);
  animation: floor 4s linear infinite;
}
@keyframes floor {
  to { background-position: 0 64px, 0 0; }
}

/* code rain: glyph columns drawn by rain.js */
.bg__rain {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  /* dim the rain behind the hero text and fade it out towards the bottom */
  --rain-mask:
    radial-gradient(ellipse 34% 30% at 50% 42%, rgba(0, 0, 0, 0.25), #000 100%),
    linear-gradient(to bottom, #000 70%, transparent 100%);
  mask-image: var(--rain-mask);
  mask-composite: intersect;
  -webkit-mask-image: var(--rain-mask);
  -webkit-mask-composite: source-in;
}

/* assembly line: isometric cubes gliding across the bottom */
.bg__belt {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1.5vh;
  height: 60px;
}
.bg__belt::before {
  content: "";
  position: absolute;
  left: 0; right: 0;
  bottom: 4px;
  height: 2px;
  background: repeating-linear-gradient(90deg, rgba(162, 116, 255, 0.45) 0 14px, transparent 14px 28px);
  animation: belt 1.2s linear infinite;
  mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 15%, #000 85%, transparent);
}
@keyframes belt {
  to { background-position: 28px 0; }
}

.cube {
  --s: 26px;
  position: absolute;
  bottom: 8px;
  left: 0;
  width: calc(var(--s) * 1.732);
  height: calc(var(--s) * 2);
  animation: travel 24s linear infinite;
  opacity: 0;
  /* three faces of an isometric cube, drawn with gradients */
  background: conic-gradient(from -60deg at 50% 50%,
    var(--violet-2) 0 120deg,  /* top face   */
    var(--violet) 120deg 240deg, /* right face */
    #2a2340 240deg 360deg      /* left face  */);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  filter: drop-shadow(0 0 10px rgba(123, 47, 255, 0.6));
}
.cube:nth-child(2) { animation-delay: -4s; }
.cube:nth-child(3) { animation-delay: -8s; }
.cube:nth-child(4) { animation-delay: -12s; }
.cube:nth-child(5) { animation-delay: -16s; }
.cube:nth-child(6) { animation-delay: -20s; }
.cube:nth-child(3n) {
  background: conic-gradient(from -60deg at 50% 50%,
    #ffffff 0 120deg, #e8e4f5 120deg 240deg, #8f88a8 240deg 360deg);
  filter: drop-shadow(0 0 10px rgba(63, 224, 255, 0.5));
}
@keyframes travel {
  0%   { transform: translateX(-10vw); opacity: 0; }
  10%  { opacity: 0.55; }
  90%  { opacity: 0.55; }
  100% { transform: translateX(110vw); opacity: 0; }
}

.bg__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(5, 3, 12, 0.85) 100%);
}

/* ───────────────────────── Layout ───────────────────────── */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1120px, 100% - 32px);
  margin: 0 auto;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text);
  text-decoration: none;
}
.brand__mark { height: 40px; width: auto; }
.brand__mark .p { fill: var(--violet); }
.brand__mark .d { fill: var(--text); }
.brand__mark .b {
  fill: none;
  stroke: var(--violet);
  stroke-width: 7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brand__word {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.6rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: baseline;
}
.brand__dot {
  width: 0.32em;
  height: 0.32em;
  margin: 0 0.12em;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 12px var(--violet);
}


.hero {
  flex: 1;
  width: min(1120px, 100% - 32px);
  margin: 0 auto;
  padding: 12vh 0 8vh;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--violet-2);
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(18, 13, 36, 0.55);
  backdrop-filter: blur(8px);
}

.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(63, 224, 255, 0.6);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 10px rgba(63, 224, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(63, 224, 255, 0); }
}

h1 {
  margin: 28px 0 22px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(2.6rem, 8vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.grad {
  background: linear-gradient(90deg, var(--violet-2), var(--violet) 45%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 620px;
  margin: 0 auto;
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 40px;
}
.btn {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  padding: 14px 26px;
  border-radius: 10px;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  color: #fff;
  background: var(--violet);
  box-shadow: 0 8px 30px -8px var(--violet);
}
.btn--primary:hover { box-shadow: 0 12px 40px -6px var(--violet); }
.btn--ghost {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(18, 13, 36, 0.5);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover { background: rgba(123, 47, 255, 0.12); }

.pipeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  width: min(1120px, 100% - 32px);
  margin: 0 auto 120px;
  counter-reset: stage;
}
.stage {
  position: relative;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(160deg, rgba(30, 20, 60, 0.55), rgba(10, 8, 20, 0.55));
  backdrop-filter: blur(10px);
}
.stage:not(:last-child)::after {
  /* connector between stations */
  content: "";
  position: absolute;
  top: 50%;
  right: -19px;
  width: 20px;
  height: 1px;
  background: linear-gradient(90deg, var(--violet-2), var(--cyan));
}
.stage__num {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--cyan);
}
.stage h2 {
  margin: 6px 0 8px;
  font-family: var(--mono);
  font-size: 1.25rem;
}
.stage p { color: var(--muted); font-size: 0.95rem; }

.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  width: min(1120px, 100% - 32px);
  margin: 0 auto;
  padding: 24px 0 32px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}
.footer__status { display: inline-flex; align-items: center; gap: 8px; }

@media (max-width: 760px) {
  .pipeline { grid-template-columns: 1fr; }
  .stage:not(:last-child)::after {
    top: auto; bottom: -19px; right: auto; left: 50%;
    width: 1px; height: 20px;
  }
  .brand__mark { height: 32px; }
  .brand__word { font-size: 1.3rem; }
  .hero { padding-top: 8vh; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .cube { display: none; }
}