:root {
  color-scheme: dark;
  --bg: #091019;
  --surface: #101a26;
  --surface-soft: #0c151f;
  --line: #223246;
  --text: #e8f0f8;
  --muted: #8da2ba;
  --accent: #5bd7c0;
  --accent-deep: #143d39;
  --warning: #f0bd62;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% -10%, rgba(91, 215, 192, 0.09), transparent 32rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.not-found {
  min-height: 100vh;
  display: grid;
  place-content: center;
  justify-items: start;
  gap: 24px;
}

.not-found h1 {
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 5.5rem);
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
}

.brand img {
  width: 176px;
  height: auto;
}

nav {
  display: flex;
  gap: 28px;
  font-size: 0.9rem;
  color: var(--muted);
}

nav a,
.footer-links a,
.install-footnote a {
  text-decoration: none;
}

nav a:hover,
.footer-links a:hover,
.install-footnote a:hover {
  color: var(--accent);
}

.hero {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(520px, 1.24fr);
  align-items: center;
  gap: clamp(42px, 7vw, 96px);
  padding: 92px 0 76px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow span {
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(91, 215, 192, 0.7);
}

h1,
h2,
h3,
p {
  text-wrap: balance;
}

h1 {
  margin: 0;
  max-width: 700px;
  font-size: clamp(3.3rem, 6vw, 6.3rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}

.lede {
  max-width: 590px;
  margin: 30px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 21px;
  border: 1px solid var(--line);
  border-radius: 9px;
  font-weight: 650;
  text-decoration: none;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

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

.button:focus-visible,
nav a:focus-visible,
footer a:focus-visible {
  outline: 3px solid rgba(91, 215, 192, 0.5);
  outline-offset: 4px;
}

.button.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #07100f;
}

.button.secondary:hover {
  border-color: var(--accent);
  background: rgba(91, 215, 192, 0.06);
}

.platforms {
  margin: 17px 0 0;
  color: #6f849b;
  font-size: 0.78rem;
}

.hero-demos {
  position: relative;
  min-height: 560px;
}

.demo-window {
  position: absolute;
  margin: 0;
  overflow: hidden;
  border: 1px solid #2a3c52;
  border-radius: 14px;
  background: #0b121b;
  box-shadow: 0 38px 90px rgba(0, 0, 0, 0.38);
}

.demo-window figcaption {
  height: 36px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 13px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font: 600 0.72rem ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.02em;
}

.demo-window figcaption span {
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--accent-deep);
  color: var(--accent);
  font-size: 0.66rem;
}

.demo-window img {
  width: 100%;
  height: auto;
  display: block;
}

.demo-gui {
  inset: 0 5% auto 0;
  transform: rotate(-0.6deg);
}

.demo-tui {
  width: 72%;
  right: 0;
  bottom: 0;
  z-index: 1;
  transform: rotate(0.8deg);
}

.demo-still {
  display: none !important;
}

.alpha-note {
  display: flex;
  gap: 10px;
  padding: 18px 22px;
  border: 1px solid rgba(240, 189, 98, 0.28);
  border-radius: 12px;
  background: rgba(240, 189, 98, 0.06);
  color: #cbb58c;
  font-size: 0.92rem;
}

.alpha-note strong {
  color: var(--warning);
}

section:not(.hero) {
  padding: 112px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.45fr 1fr;
  column-gap: 64px;
  align-items: end;
  margin-bottom: 48px;
}

.section-heading .eyebrow {
  margin: 0 0 8px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(2.4rem, 4.8vw, 4.6rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.section-heading.compact {
  grid-template-columns: 0.34fr 0.8fr 0.66fr;
}

.section-heading.compact > p:last-child {
  margin: 0;
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-grid article {
  min-height: 270px;
  padding: 30px;
  border-right: 1px solid var(--line);
}

.feature-grid article:last-child {
  border-right: 0;
}

.feature-number {
  color: var(--accent);
  font: 600 0.75rem ui-monospace, SFMono-Regular, Menlo, monospace;
}

.feature-grid h3 {
  margin: 58px 0 10px;
  font-size: 1.45rem;
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
}

.interface-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 18px;
}

.screenshot-card {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.screenshot-card img {
  width: 100%;
  height: 490px;
  display: block;
  object-fit: cover;
  object-position: top;
}

.screenshot-card:not(.large) img {
  object-fit: contain;
  background: #0b121b;
}

.screenshot-card figcaption {
  padding: 15px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.capabilities ul {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.capabilities li {
  display: grid;
  grid-template-columns: 0.34fr 1fr;
  gap: 32px;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}

.capabilities li span {
  color: var(--muted);
}

.install-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.install-grid article {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
}

.install-label {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.install-label span {
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--accent-deep);
  color: var(--accent);
  font: 700 0.7rem ui-monospace, SFMono-Regular, Menlo, monospace;
}

pre {
  margin: 0;
  overflow-x: auto;
  padding: 20px;
  color: #b8c8d8;
  font: 0.78rem/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.install-footnote {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.install-footnote a {
  color: var(--accent);
}

footer {
  min-height: 110px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.84rem;
}

.footer-links {
  display: flex;
  gap: 22px;
  margin-left: auto;
}

@media (max-width: 900px) {
  .hero {
    min-height: 0;
    grid-template-columns: 1fr;
    padding-top: 72px;
  }

  .hero-demos {
    min-height: 620px;
  }

  .demo-gui,
  .demo-tui {
    transform: none;
  }

  .section-heading,
  .section-heading.compact {
    grid-template-columns: 1fr;
    gap: 14px;
  }

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

  .feature-grid article {
    min-height: 220px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .feature-grid article:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 620px) {
  .site-header,
  main,
  footer {
    width: min(calc(100% - 28px), var(--max));
  }

  .site-header {
    min-height: 72px;
  }

  .brand img {
    width: 145px;
  }

  nav {
    gap: 15px;
    font-size: 0.8rem;
  }

  nav a:first-child {
    display: none;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.7rem);
  }

  .hero {
    gap: 46px;
    padding: 58px 0 54px;
  }

  .hero-demos {
    min-height: 0;
    display: grid;
    gap: 14px;
  }

  .demo-window {
    position: relative;
    inset: auto;
    width: 100%;
  }

  .alpha-note {
    display: block;
  }

  .alpha-note strong {
    display: block;
    margin-bottom: 4px;
  }

  section:not(.hero) {
    padding: 78px 0;
  }

  .screenshot-card img {
    height: 390px;
  }

  .capabilities li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  footer {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 28px 0;
  }

  .footer-links {
    width: 100%;
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }

  .demo-motion {
    display: none !important;
  }

  .demo-still {
    display: block !important;
  }
}