:root {
  color-scheme: dark;
  --bg: #06070d;
  --bg-2: #0f1320;
  --panel: rgba(11, 16, 30, 0.76);
  --panel-border: rgba(121, 214, 255, 0.22);
  --text: #f7f7fb;
  --muted: #a7b2c5;
  --accent: #7dffde;
  --accent-2: #ff6b9b;
  --accent-3: #7bb8ff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(125, 255, 222, 0.15), transparent 32%),
    radial-gradient(circle at 85% 20%, rgba(255, 107, 155, 0.18), transparent 24%),
    linear-gradient(180deg, #0b0e17 0%, #06070d 55%, #05060b 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.75), transparent);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px 0 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0;
  text-decoration: none;
}

.brand img {
  border-radius: 12px;
  box-shadow: 0 0 24px rgba(125, 255, 222, 0.25);
}

.topnav {
  display: inline-flex;
  align-items: center;
  gap: 18px;
}

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

.topnav a:hover,
.topnav a:focus-visible,
.brand:hover,
.brand:focus-visible {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 32px;
  align-items: center;
  min-height: calc(100vh - 140px);
  padding: 20px 0 64px;
}

.hero-compact {
  min-height: auto;
  grid-template-columns: 1fr;
  padding-top: 40px;
  padding-bottom: 24px;
}

.hero-copy h1,
.section-heading h2 {
  margin: 0;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy h1 {
  max-width: 10ch;
  font-size: clamp(3.4rem, 9vw, 6.7rem);
}

.lede {
  max-width: 38rem;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), #90ff76);
  color: #041015;
  box-shadow: 0 12px 40px rgba(125, 255, 222, 0.2);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
}

.release-note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-panel {
  position: relative;
  min-height: 520px;
}

.grid-glow,
.vector-card {
  position: absolute;
  inset: 0;
  border-radius: 8px;
}

.grid-glow {
  background:
    linear-gradient(rgba(123, 184, 255, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(123, 184, 255, 0.14) 1px, transparent 1px);
  background-size: 34px 34px;
  transform: perspective(900px) rotateX(72deg) translateY(32%);
  opacity: 0.9;
}

.vector-card {
  overflow: hidden;
  border: 1px solid var(--panel-border);
  background:
    radial-gradient(circle at top, rgba(123, 184, 255, 0.2), transparent 45%),
    radial-gradient(circle at bottom right, rgba(255, 107, 155, 0.24), transparent 30%),
    var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.vector-ring,
.vector-line,
.vector-dot {
  position: absolute;
}

.vector-ring {
  border: 1px solid rgba(123, 184, 255, 0.75);
  border-radius: 50%;
  box-shadow: 0 0 22px rgba(123, 184, 255, 0.26);
}

.ring-one {
  width: 410px;
  height: 410px;
  top: 48px;
  left: 48px;
}

.ring-two {
  width: 235px;
  height: 235px;
  right: 34px;
  top: 92px;
  border-color: rgba(125, 255, 222, 0.75);
  box-shadow: 0 0 24px rgba(125, 255, 222, 0.28);
}

.ring-three {
  width: 150px;
  height: 150px;
  left: 140px;
  bottom: 56px;
  border-color: rgba(255, 107, 155, 0.75);
  box-shadow: 0 0 20px rgba(255, 107, 155, 0.28);
}

.vector-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
}

.line-one {
  width: 220px;
  top: 182px;
  right: 30px;
  transform: rotate(-32deg);
}

.line-two {
  width: 300px;
  bottom: 132px;
  left: 40px;
  transform: rotate(18deg);
}

.vector-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 20px currentColor;
}

.dot-one {
  top: 122px;
  left: 312px;
  color: var(--accent);
}

.dot-two {
  top: 280px;
  right: 88px;
  color: var(--accent-2);
}

.dot-three {
  bottom: 126px;
  left: 120px;
  color: var(--accent-3);
}

.band {
  padding: 52px 0;
}

.stats-band,
.download-grid,
.feature-grid {
  display: grid;
  gap: 18px;
}

.stats-band {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat,
.download-card,
.feature {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  box-shadow: var(--shadow);
}

.stat {
  padding: 24px;
}

.stat-value {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
}

.stat-label {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section-heading {
  max-width: 52rem;
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: clamp(2rem, 5vw, 3.35rem);
}

.feature-grid,
.download-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.feature,
.download-card {
  padding: 24px;
}

.feature h3,
.download-card h3 {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.feature p,
.download-card p {
  margin: 0 0 16px;
  color: var(--muted);
  line-height: 1.65;
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 10px;
  }

  .hero-copy h1 {
    max-width: none;
  }

  .hero-panel {
    min-height: 420px;
  }

  .stats-band,
  .feature-grid,
  .download-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 24px, 1180px);
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .topnav {
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero-panel {
    min-height: 320px;
  }

  .ring-one {
    width: 280px;
    height: 280px;
    top: 28px;
    left: 18px;
  }

  .ring-two {
    width: 180px;
    height: 180px;
    right: 16px;
    top: 78px;
  }

  .ring-three {
    width: 120px;
    height: 120px;
    left: 70px;
    bottom: 34px;
  }
}
