:root {
  color-scheme: dark;
  --bg: #07182d;
  --bg-deep: #04101f;
  --panel: #0d2741;
  --panel-strong: #123554;
  --text: #f3f8ff;
  --muted: #b7c9da;
  --line: rgba(186, 219, 245, 0.2);
  --accent: #68d8ff;
  --accent-strong: #f6c66d;
  --wave-back: #56b8e9;
  --wave-mid: #2d91ca;
  --wave-front: #1d6fa8;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--bg-deep);
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(104, 216, 255, 0.2), transparent 28rem),
    linear-gradient(180deg, var(--bg) 0%, #092139 52%, var(--bg-deep) 100%);
}

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

img {
  display: block;
  max-width: 100%;
}

main {
  overflow: hidden;
}

.hero {
  min-height: 92vh;
  padding: 24px clamp(20px, 5vw, 72px) 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 44px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.nav-links a {
  padding: 10px 12px;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.08);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: clamp(32px, 7vw, 96px);
  align-items: center;
  max-width: 1180px;
  min-height: calc(92vh - 88px);
  margin: 0 auto;
  padding-top: 32px;
}

.hero-copy {
  max-width: 630px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.8vw, 1.3rem);
}

.actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 800;
}

.button.primary {
  color: #04101f;
  background: var(--accent-strong);
  border-color: transparent;
  box-shadow: 0 18px 48px rgba(246, 198, 109, 0.22);
}

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

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

.ship-scene {
  position: relative;
  min-height: 520px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(126, 214, 255, 0.18), rgba(13, 39, 65, 0.42)),
    var(--panel);
  box-shadow: inset 0 0 0 1px var(--line), 0 28px 90px rgba(0, 0, 0, 0.28);
  overflow: hidden;
}

.ship-scene::before {
  content: "";
  position: absolute;
  inset: 32px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
}

.sun {
  position: absolute;
  top: 54px;
  right: 70px;
  width: 110px;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, #ffd985 0 38%, rgba(255, 217, 133, 0.22) 39% 61%, transparent 62%);
}

.logo-orbit {
  position: absolute;
  top: 92px;
  left: 50%;
  z-index: 2;
  width: min(44%, 260px);
  min-width: 180px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transform: translateX(-50%);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.logo-orbit img {
  width: 68%;
  height: auto;
  filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.4));
}

.waves {
  position: absolute;
  inset: auto 0 0;
  width: 100%;
  height: 66%;
}

.wave {
  stroke: rgba(255, 255, 255, 0.36);
  stroke-width: 2;
}

.wave-back {
  fill: var(--wave-back);
  opacity: 0.55;
}

.wave-mid {
  fill: var(--wave-mid);
  opacity: 0.78;
}

.wave-front {
  fill: var(--wave-front);
}

.overview {
  padding: 82px clamp(20px, 5vw, 72px) 36px;
  background: #f3f8ff;
  color: #07182d;
}

.section-heading,
.feature-grid,
.download {
  max-width: 1180px;
  margin: 0 auto;
}

.overview .eyebrow {
  color: #1d6fa8;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(180px, 0.45fr) minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  margin-bottom: 36px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: #c9d9e6;
  border: 1px solid #c9d9e6;
}

article {
  min-height: 230px;
  padding: 28px;
  background: #ffffff;
}

article p,
.download p {
  color: #42566a;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 30px;
  margin-bottom: 22px;
  border-radius: 999px;
  color: #07182d;
  background: #d7f2ff;
  font-size: 0.75rem;
  font-weight: 900;
}

.download {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: 58px clamp(20px, 5vw, 72px);
  margin: 0 auto 64px;
  color: var(--text);
  background: var(--panel-strong);
  border-radius: 8px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22);
}

.download h2 {
  max-width: 850px;
  font-size: clamp(1.8rem, 3.6vw, 3rem);
}

code {
  padding: 2px 7px;
  border-radius: 5px;
  color: #102033;
  background: #d7f2ff;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 0.94em;
}

@media (max-width: 920px) {
  .hero {
    min-height: auto;
  }

  .hero-grid,
  .section-heading,
  .download {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    min-height: 0;
  }

  .ship-scene {
    min-height: 430px;
  }

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

  .download-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 18px;
  }

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

  .nav-links {
    gap: 4px;
  }

  .nav-links a {
    padding: 8px 7px;
  }

  .brand span {
    display: none;
  }

  h1 {
    font-size: clamp(2.55rem, 15vw, 4.2rem);
  }

  .actions,
  .download-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .ship-scene {
    min-height: 360px;
  }

  .logo-orbit {
    top: 72px;
    min-width: 150px;
  }

  .sun {
    top: 44px;
    right: 38px;
    width: 82px;
  }

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

  article {
    min-height: auto;
  }

  .download {
    margin-bottom: 40px;
  }
}