* {
  box-sizing: border-box;
}

:root {
  --bg: #050712;
  --panel: rgba(12, 18, 36, .72);
  --panel-strong: rgba(15, 23, 42, .92);
  --text: #eef6ff;
  --muted: #91a4bc;
  --line: rgba(148, 163, 184, .2);
  --cyan: #41f4ff;
  --blue: #5b7cfa;
  --violet: #b45cff;
  --green: #44ffb2;
  --mx: 50%;
  --my: 50%;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at var(--mx) var(--my), rgba(65, 244, 255, .18), transparent 26rem),
    radial-gradient(circle at 15% 15%, rgba(180, 92, 255, .16), transparent 34rem),
    radial-gradient(circle at 80% 30%, rgba(91, 124, 250, .16), transparent 30rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(circle at var(--mx) var(--my), black, transparent 75%);
  z-index: -3;
}

.noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .06;
  z-index: 20;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='256' height='256' filter='url(%23noise)' opacity='.8'/%3E%3C/svg%3E");
}

#matrix {
  position: fixed;
  inset: 0;
  z-index: -4;
  opacity: .34;
}

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1180px, calc(100% - 32px));
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(5, 7, 18, .62);
  backdrop-filter: blur(18px);
  box-shadow: 0 18px 60px rgba(0,0,0,.24);
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.03em;
}

.brand img {
  width: 34px;
  height: 34px;
}

nav {
  display: flex;
  gap: 22px;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

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

.hero {
  min-height: 100vh;
  display: grid;
  place-items: center;
  position: relative;
  padding: 140px 20px 80px;
}

.hero-inner {
  max-width: 1100px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  color: #b7c7de;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.045);
  padding: 9px 14px;
  border-radius: 999px;
  backdrop-filter: blur(14px);
}

.pulse {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 22px var(--green);
  animation: pulse 1.5s infinite;
}

h1 {
  margin: 0 auto;
  max-width: 1000px;
  font-size: clamp(48px, 9vw, 118px);
  line-height: .9;
  letter-spacing: -.08em;
  background: linear-gradient(120deg, #fff, #bfefff 35%, #b45cff 75%, #fff);
  -webkit-background-clip: text;
  color: transparent;
  filter: drop-shadow(0 22px 80px rgba(65,244,255,.18));
}

.lead {
  max-width: 760px;
  margin: 30px auto 0;
  font-size: clamp(18px, 2vw, 23px);
  color: var(--muted);
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 750;
  transition: transform .2s ease, box-shadow .2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.primary {
  color: #020617;
  background: linear-gradient(135deg, var(--cyan), var(--green));
  box-shadow: 0 14px 45px rgba(65,244,255,.28);
}

.secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
}

.orb {
  position: absolute;
  width: 30vw;
  aspect-ratio: 1;
  border-radius: 50%;
  filter: blur(40px);
  opacity: .38;
  animation: float 9s ease-in-out infinite;
}

.orb-a {
  top: 18%;
  left: 7%;
  background: var(--blue);
}

.orb-b {
  right: 6%;
  bottom: 14%;
  background: var(--violet);
  animation-delay: -4s;
}

.grid-glow {
  position: absolute;
  inset: auto 0 0;
  height: 36vh;
  background: linear-gradient(to top, rgba(65,244,255,.14), transparent);
  transform: perspective(700px) rotateX(65deg);
  transform-origin: bottom;
}

.signal-card {
  max-width: 700px;
  margin: 54px auto 0;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(8, 13, 28, .68);
  backdrop-filter: blur(18px);
  text-align: left;
}

.signal-card strong,
.signal-card span {
  display: block;
}

.signal-card span {
  color: var(--muted);
  margin-top: 4px;
}

.signal-bars {
  display: flex;
  align-items: end;
  gap: 5px;
  height: 38px;
}

.signal-bars i {
  width: 8px;
  border-radius: 99px;
  background: linear-gradient(var(--cyan), var(--green));
  animation: bars 1.4s ease-in-out infinite;
}

.signal-bars i:nth-child(1) { height: 16px; }
.signal-bars i:nth-child(2) { height: 24px; animation-delay: .1s; }
.signal-bars i:nth-child(3) { height: 34px; animation-delay: .2s; }
.signal-bars i:nth-child(4) { height: 28px; animation-delay: .3s; }
.signal-bars i:nth-child(5) { height: 38px; animation-delay: .4s; }

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 100px 0;
}

.section-title {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 34px;
}

.section-title span {
  color: var(--cyan);
  font-weight: 850;
}

h2 {
  margin: 0;
  max-width: 850px;
  font-size: clamp(36px, 5vw, 68px);
  line-height: .96;
  letter-spacing: -.06em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.card,
.terminal,
.feature-grid > div,
.cta {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: 0 24px 80px rgba(0,0,0,.22);
}

.card {
  min-height: 250px;
  padding: 28px;
  border-radius: 30px;
  transform-style: preserve-3d;
}

.card h3 {
  margin: 0 0 14px;
  font-size: 25px;
  letter-spacing: -.03em;
}

.card p,
.section p,
.feature-grid p,
.cta p {
  color: var(--muted);
  font-size: 17px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: center;
}

.terminal {
  border-radius: 30px;
  overflow: hidden;
}

.terminal-top {
  display: flex;
  gap: 8px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.terminal-top i {
  width: 12px;
  height: 12px;
  border-radius: 99px;
  background: rgba(255,255,255,.25);
}

pre {
  margin: 0;
  padding: 28px;
  white-space: pre-wrap;
  color: #b9ffd8;
  font-size: 16px;
  line-height: 1.8;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.feature-grid > div {
  border-radius: 26px;
  padding: 22px;
}

.feature-grid strong {
  font-size: 18px;
}

.cta {
  text-align: center;
  padding: 70px 34px;
  border-radius: 38px;
  margin-bottom: 70px;
}

.cta h2 {
  margin: 0 auto;
}

footer {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 46px;
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.8); opacity: .35; }
}

@keyframes float {
  0%, 100% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(24px,-34px,0); }
}

@keyframes bars {
  0%, 100% { transform: scaleY(.75); opacity: .7; }
  50% { transform: scaleY(1.15); opacity: 1; }
}

@media (max-width: 900px) {
  nav {
    display: none;
  }

  .cards,
  .split,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .signal-card,
  footer {
    flex-direction: column;
    align-items: flex-start;
  }
}