:root {
  --color-bg: #05070f;
  --color-bg-soft: #0b1020;
  --color-surface: rgba(15, 22, 42, 0.78);
  --color-surface-strong: rgba(20, 29, 56, 0.92);
  --color-border: rgba(148, 163, 184, 0.2);
  --color-text: #f7fbff;
  --color-muted: #a7b4c8;
  --color-cyan: #34e7ff;
  --color-purple: #9b5cff;
  --color-orange: #ff9f43;
  --shadow-glow: 0 0 42px rgba(52, 231, 255, 0.18);
  --radius: 8px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--color-text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background:
    linear-gradient(135deg, rgba(52, 231, 255, 0.1), transparent 34%),
    linear-gradient(225deg, rgba(155, 92, 255, 0.12), transparent 32%),
    linear-gradient(180deg, #05070f 0%, #080b17 52%, #05070f 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    radial-gradient(circle, rgba(255, 255, 255, 0.48) 0 1px, transparent 1px),
    radial-gradient(circle, rgba(52, 231, 255, 0.34) 0 1px, transparent 1px);
  background-position:
    0 0,
    36px 58px;
  background-size:
    108px 108px,
    156px 156px;
  opacity: 0.18;
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-cyan);
  outline-offset: 4px;
}

.site-header,
.site-footer,
.section,
.hero {
  width: min(100% - 32px, var(--max-width));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 20px;
}

.brand,
.site-nav,
.site-footer nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 1px solid rgba(52, 231, 255, 0.48);
  border-radius: 7px;
  background:
    linear-gradient(135deg, rgba(52, 231, 255, 0.82), rgba(155, 92, 255, 0.74)),
    #11182d;
  box-shadow: 0 0 22px rgba(52, 231, 255, 0.22);
}

.site-nav,
.site-footer nav {
  gap: 18px;
  color: var(--color-muted);
  font-size: 0.94rem;
}

.site-nav a:hover,
.site-footer a:hover {
  color: var(--color-text);
}

.hero {
  display: grid;
  place-items: center;
  min-height: calc(100svh - 72px);
  padding: 54px 0 74px;
  text-align: center;
}

.hero-content {
  width: min(100%, 780px);
}

.app-icon {
  position: relative;
  width: 116px;
  height: 116px;
  margin: 0 auto 26px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 28px;
  background:
    radial-gradient(circle at 32% 22%, rgba(52, 231, 255, 0.42), transparent 31px),
    radial-gradient(circle at 75% 28%, rgba(155, 92, 255, 0.46), transparent 36px),
    linear-gradient(155deg, #101633 0%, #070a15 48%, #170d2c 100%);
  box-shadow:
    0 26px 80px rgba(0, 0, 0, 0.44),
    0 0 46px rgba(52, 231, 255, 0.3);
}

.app-icon::before {
  position: absolute;
  inset: 18px;
  content: "";
  border: 1px solid rgba(52, 231, 255, 0.28);
  border-radius: 50%;
  transform: rotate(-22deg) scaleX(1.24);
}

.planet {
  position: absolute;
  right: 18px;
  bottom: 18px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-orange), #ffd166);
  box-shadow: 0 0 22px rgba(255, 159, 67, 0.42);
}

.stack {
  position: absolute;
  left: 25px;
  width: 46px;
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--color-cyan), var(--color-purple));
  box-shadow: 0 0 16px rgba(52, 231, 255, 0.36);
}

.stack-one {
  bottom: 32px;
}

.stack-two {
  bottom: 49px;
  left: 34px;
}

.stack-three {
  bottom: 66px;
  left: 21px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--color-cyan);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-inline: auto;
  margin-bottom: 18px;
  font-size: clamp(2.7rem, 10vw, 5.65rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-subtitle {
  max-width: 620px;
  margin: 0 auto 30px;
  color: var(--color-muted);
  font-size: clamp(1.12rem, 4vw, 1.45rem);
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
}

.button-primary {
  color: #071018;
  background: linear-gradient(135deg, var(--color-cyan), #8effff);
  box-shadow: var(--shadow-glow);
}

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

.button-secondary {
  border-color: var(--color-border);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.06);
}

.section {
  padding: 44px 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 22px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 7vw, 3.35rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.video-placeholder {
  display: grid;
  place-items: center;
  min-height: 260px;
  padding: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(52, 231, 255, 0.16), transparent 38%),
    linear-gradient(315deg, rgba(155, 92, 255, 0.2), transparent 42%),
    rgba(15, 22, 42, 0.72);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.26);
  text-align: center;
}

.play-ring {
  width: 72px;
  height: 72px;
  margin-bottom: 18px;
  border: 2px solid rgba(52, 231, 255, 0.62);
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 38%, var(--color-cyan) 38% 46%, transparent 46%),
    radial-gradient(circle, rgba(52, 231, 255, 0.22), transparent 60%);
  box-shadow: 0 0 34px rgba(52, 231, 255, 0.24);
}

.video-placeholder p,
.screenshot-card p {
  margin: 0;
  color: var(--color-muted);
  font-weight: 700;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.feature-card,
.screenshot-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.18);
}

.feature-card {
  min-height: 230px;
  padding: 22px;
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.1rem;
  line-height: 1.25;
}

.feature-card p,
.about-copy {
  margin-bottom: 0;
  color: var(--color-muted);
  line-height: 1.7;
}

.feature-icon {
  display: block;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  border-radius: 12px;
}

.feature-icon.cyan {
  background: var(--color-cyan);
  box-shadow: 0 0 28px rgba(52, 231, 255, 0.34);
}

.feature-icon.purple {
  background: var(--color-purple);
  box-shadow: 0 0 28px rgba(155, 92, 255, 0.34);
}

.feature-icon.orange {
  background: var(--color-orange);
  box-shadow: 0 0 28px rgba(255, 159, 67, 0.34);
}

.feature-icon.cyan-orange {
  background: linear-gradient(135deg, var(--color-cyan), var(--color-orange));
  box-shadow: 0 0 28px rgba(255, 159, 67, 0.28);
}

.about-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 42px;
  align-items: start;
}

.about-copy {
  padding-top: 32px;
  font-size: 1.12rem;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.screenshot-card {
  position: relative;
  display: grid;
  place-items: end center;
  min-height: 430px;
  overflow: hidden;
  padding: 26px;
  background:
    radial-gradient(circle at 50% 22%, rgba(52, 231, 255, 0.2), transparent 42%),
    linear-gradient(180deg, var(--color-surface-strong), #070a14);
  text-align: center;
}

.screenshot-card::before {
  position: absolute;
  inset: 20px;
  content: "";
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
}

.screenshot-orbit,
.screenshot-stack,
.screenshot-star {
  position: absolute;
  top: 38%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.screenshot-orbit {
  width: 150px;
  height: 150px;
  border: 1px solid rgba(52, 231, 255, 0.42);
  border-radius: 50%;
  box-shadow: inset 0 0 34px rgba(52, 231, 255, 0.12);
}

.screenshot-stack {
  width: 68px;
  height: 154px;
  background:
    linear-gradient(var(--color-cyan), var(--color-cyan)) center 0 / 62px 18px no-repeat,
    linear-gradient(var(--color-purple), var(--color-purple)) center 34px / 70px 18px no-repeat,
    linear-gradient(var(--color-orange), var(--color-orange)) center 68px / 58px 18px no-repeat,
    linear-gradient(#ffffff, #ffffff) center 102px / 64px 18px no-repeat;
  filter: drop-shadow(0 0 22px rgba(52, 231, 255, 0.28));
}

.screenshot-star {
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background:
    linear-gradient(90deg, transparent 46%, rgba(255, 255, 255, 0.82) 46% 54%, transparent 54%),
    linear-gradient(0deg, transparent 46%, rgba(255, 255, 255, 0.82) 46% 54%, transparent 54%),
    radial-gradient(circle, var(--color-orange) 0 16%, transparent 17%);
  box-shadow: 0 0 34px rgba(255, 159, 67, 0.28);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 44px 0 34px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
}

.site-footer strong {
  display: block;
  margin-bottom: 6px;
  color: var(--color-text);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .feature-grid,
  .screenshot-grid,
  .about-section {
    grid-template-columns: 1fr;
  }

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

  .about-copy {
    padding-top: 0;
  }

  .screenshot-card {
    min-height: 360px;
  }
}

@media (max-width: 640px) {
  .site-header,
  .site-footer,
  .section,
  .hero {
    width: min(100% - 24px, var(--max-width));
  }

  .site-header {
    align-items: flex-start;
    padding-top: 18px;
  }

  .site-nav {
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .brand span:last-child {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: 38px 0 58px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .section {
    padding: 34px 0;
  }

  .video-placeholder {
    min-height: 220px;
  }

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