:root {
  --background: #e8effa;
  --surface: #ffffff;
  --foreground: #000000;
  --border: #000000;
  --main: #6e91ff;
  --green: #75e6a4;
  --yellow: #ffd766;
  --muted: #64748b;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--foreground);
  background: var(--background);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(rgba(110, 145, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 145, 255, 0.12) 1px, transparent 1px), var(--background);
  background-size: 32px 32px;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 20;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border: 2px solid var(--border);
  background: var(--yellow);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 12px clamp(20px, 5vw, 72px);
  border-bottom: 2px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.brand img {
  width: 44px;
  height: 44px;
  border: 2px solid var(--border);
  border-radius: 10px;
  box-shadow: 3px 3px 0 var(--border);
}

.brand b {
  color: #3d5cc5;
}

nav {
  display: flex;
  gap: 24px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  font-weight: 700;
}

nav a {
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

main {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(32px, 6vw, 88px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 72px 0;
}

.eyebrow {
  margin: 0 0 18px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

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

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(48px, 7vw, 88px);
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.lede {
  max-width: 650px;
  margin: 28px 0;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 20px;
  border: 2px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--border);
  text-decoration: none;
  font-weight: 800;
  transition:
    transform 120ms ease,
    box-shadow 120ms ease;
}

.button:hover {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--border);
}

.button.primary {
  background: var(--main);
}

.button:focus-visible,
a:focus-visible {
  outline: 3px solid #3457d5;
  outline-offset: 4px;
}

.fine-print {
  margin-top: 18px;
  color: #3f4c61;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

.app-window {
  overflow: hidden;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 12px 12px 0 var(--border);
  transform: rotate(1.2deg);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 14px;
  border-bottom: 2px solid var(--border);
  background: var(--surface);
  font-size: 12px;
}

.window-bar strong {
  margin-left: 6px;
  letter-spacing: 0.1em;
}

.window-path {
  margin-left: auto;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.traffic {
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--border);
  border-radius: 999px;
}

.traffic.red {
  background: #ff6b6b;
}
.traffic.yellow {
  background: var(--yellow);
}
.traffic.green {
  background: var(--green);
}

.window-body {
  display: grid;
  grid-template-columns: 180px 1fr;
  min-height: 430px;
}

.mock-sidebar {
  position: relative;
  padding: 20px 14px;
  border-right: 2px solid var(--border);
  background: #f5f8ff;
  font-size: 12px;
}

.mock-label {
  display: block;
  margin: 0 8px 10px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 800;
}

.agents-label {
  margin-top: 28px;
}

.mock-item,
.agent-row {
  padding: 9px 10px;
  border-radius: 5px;
}

.mock-item.active {
  border: 2px solid var(--border);
  background: var(--main);
  box-shadow: 3px 3px 0 var(--border);
  font-weight: 800;
}

.agent-row {
  display: flex;
  align-items: center;
  gap: 7px;
}

.agent-row b {
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
  text-transform: uppercase;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border: 1px solid var(--border);
  border-radius: 50%;
}

.dot.working {
  background: var(--yellow);
}
.dot.ready {
  background: var(--green);
}

.engine-state {
  position: absolute;
  right: 14px;
  bottom: 16px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  border-top: 2px solid var(--border);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
}

.mock-chat {
  display: flex;
  flex-direction: column;
  padding: 18px;
  background: var(--surface);
}

.chat-tabs {
  display: flex;
  gap: 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px;
}

.chat-tabs b {
  color: #3457d5;
}

.message {
  max-width: 82%;
  margin-top: 28px;
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: 5px;
  box-shadow: 4px 4px 0 var(--border);
  line-height: 1.4;
}

.user-message {
  align-self: flex-end;
  background: var(--main);
  font-weight: 700;
}

.agent-message {
  background: var(--background);
}

.agent-message span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.composer {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding: 15px;
  border: 2px solid var(--border);
  border-radius: 5px;
  color: var(--muted);
}

kbd {
  color: var(--foreground);
}

.feature-section {
  padding: 110px 0;
  border-top: 2px solid var(--border);
}

.section-heading {
  max-width: 760px;
}

h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 48px;
}

.feature-card {
  min-height: 250px;
  padding: 24px;
  border: 2px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  box-shadow: 4px 4px 0 var(--border);
}

.feature-card.blue {
  background: var(--main);
}
.feature-card.green {
  background: var(--green);
}
.feature-card.yellow {
  background: var(--yellow);
}

.feature-number {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 900;
}

.feature-card h3 {
  margin: 54px 0 12px;
  font-size: 25px;
}

.feature-card p {
  margin: 0;
  line-height: 1.5;
}

.install-section {
  margin-bottom: 100px;
  padding: clamp(30px, 6vw, 70px);
  border: 2px solid var(--border);
  border-radius: 5px;
  background: var(--yellow);
  box-shadow: 10px 10px 0 var(--border);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 0;
  margin: 50px 0 38px;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  position: relative;
  padding: 22px;
  border: 2px solid var(--border);
  background: var(--surface);
  counter-increment: steps;
}

.steps li::before {
  display: block;
  margin-bottom: 26px;
  content: "0" counter(steps);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  font-weight: 900;
}

.steps b,
.steps span {
  display: block;
}

.steps b {
  margin-bottom: 8px;
  font-size: 19px;
}

.steps span {
  line-height: 1.45;
}

.install-button {
  background: var(--main);
}

.linux-install {
  margin-top: 28px;
  padding: 20px;
  border: 2px solid var(--border);
  background: var(--surface);
}

.linux-install h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.linux-install p {
  margin: 0 0 12px;
  color: var(--muted);
}

.linux-install pre {
  margin: 0;
  padding: 14px 16px;
  overflow-x: auto;
  border: 2px solid var(--border);
  background: var(--foreground);
  color: var(--surface);
}

.linux-install code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
}

.linux-install .linux-alt {
  margin: 14px 0 0;
  line-height: 1.5;
}

.linux-install .linux-alt code {
  padding: 1px 4px;
  border: 1px solid var(--border);
  background: var(--background);
  font-size: 13px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  padding: 32px 20px;
  border-top: 2px solid var(--border);
  background: var(--surface);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 58px;
  }

  .app-window {
    transform: none;
  }

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

@media (max-width: 760px) {
  .site-header {
    position: static;
  }

  .brand span {
    font-size: 13px;
  }

  nav a:not(:last-child) {
    display: none;
  }

  main {
    width: min(100% - 28px, 620px);
  }

  .hero {
    min-height: auto;
    padding: 52px 0 76px;
  }

  h1 {
    font-size: clamp(44px, 15vw, 68px);
  }

  .window-body {
    grid-template-columns: 1fr;
  }

  .mock-sidebar {
    display: none;
  }

  .mock-chat {
    min-height: 390px;
  }

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

  .feature-section {
    padding: 82px 0;
  }

  .install-section {
    margin-bottom: 60px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms;
    transition-duration: 0.01ms;
  }
}