:root {
  color-scheme: dark;
  --color-canvas: #07080a;
  --color-canvas-glow: rgba(25, 43, 64, 0.22);
  --color-surface: #101215;
  --color-surface-raised: #14171b;
  --color-endpoint: #0d0f12;
  --color-text: #f9f9fa;
  --color-muted: #a9adb5;
  --color-subtle: #7d828c;
  --color-border: rgba(255, 255, 255, 0.24);
  --color-border-strong: rgba(255, 255, 255, 0.38);
  --color-ring-inner: rgba(255, 255, 255, 0.16);
  --color-focus: #69b9ff;
  --color-coral: #ff6b61;
  --color-blue: #6684ff;
  --color-cyan: #55d6c2;
  --color-violet: #9a7cff;
  --color-amber: #f3b562;
  --color-pink: #e879b4;
  --color-green: #7ddc84;

  --font-display: clamp(2.5rem, 7vw, 4.5rem);
  --font-title: 2.25rem;
  --font-lead: 1.5rem;
  --font-body: 1.375rem;
  --font-endpoint: 1.25rem;
  --font-label: 1.125rem;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  --radius-row: 8px;
  --radius-icon: 12px;
  --radius-card: 16px;
  --border-hairline: 1px;
  --ring-inset: var(--space-1);
  --content-max: 1456px;
  --card-padding-block: var(--space-8);
  --card-padding-inline: var(--space-10);
  --card-heading-gap: var(--space-10);
  --icon-size: 112px;
  --icon-glyph-size: 54px;
  --endpoint-label-width: 108px;
  --endpoint-row-height: 54px;
  --endpoint-row-gap: 10px;
  --endpoint-column-gap: 28px;
  --endpoint-inline-padding: var(--space-4);
  --page-padding-block-start: 56px;
  --page-section-gap: var(--space-8);

  --motion-micro: 150ms ease-out;
  --motion-standard: 220ms ease-in-out;
  --shadow-card:
    0 18px 48px rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(255, 255, 255, 0.16) inset,
    0 1px 0 rgba(255, 255, 255, 0.12) inset,
    0 -1px 0 rgba(0, 0, 0, 0.48) inset;
  --shadow-card-hover:
    0 20px 48px rgba(0, 0, 0, 0.36),
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 -1px 0 rgba(0, 0, 0, 0.56) inset;
  --shadow-icon:
    0 10px 24px rgba(0, 0, 0, 0.32),
    0 1px 0 rgba(255, 255, 255, 0.18) inset,
    0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    0 -10px 18px rgba(0, 0, 0, 0.28) inset;
  --shadow-endpoint:
    0 1px 0 rgba(255, 255, 255, 0.10) inset,
    0 -1px 0 rgba(0, 0, 0, 0.58) inset,
    0 4px 10px rgba(0, 0, 0, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-canvas);
}

body {
  min-block-size: 100dvh;
  margin: 0;
  color: var(--color-text);
  background:
    radial-gradient(circle at 50% -10%, var(--color-canvas-glow), transparent 48%),
    var(--color-canvas);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Noto Sans CJK SC", sans-serif;
  font-size: var(--font-body);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.page-shell {
  inline-size: min(100%, var(--content-max));
  min-block-size: 100dvh;
  margin-inline: auto;
  padding:
    var(--page-padding-block-start)
    clamp(var(--space-4), 5vw, var(--space-12))
    var(--space-10);
  display: grid;
  align-content: start;
  gap: var(--page-section-gap);
}

.hero {
  max-inline-size: 760px;
  margin-inline: auto;
  text-align: center;
}

.hero h1 {
  margin: 0;
  font-size: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  text-wrap: balance;
}

.hero h1::after {
  content: "";
  display: inline-block;
  inline-size: 0.18em;
  block-size: 0.18em;
  margin-inline-start: 0.14em;
  border-radius: 50%;
  background: var(--color-coral);
  vertical-align: 0.08em;
}

.hero p {
  margin: var(--space-4) 0 0;
  color: var(--color-muted);
  font-size: var(--font-lead);
  font-weight: 450;
  letter-spacing: 0.012em;
  line-height: 1.6;
  text-wrap: balance;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
}

.service-card {
  --service-accent: var(--color-coral);
  position: relative;
  min-inline-size: 0;
  padding:
    var(--card-padding-block)
    var(--card-padding-inline);
  border: var(--border-hairline) solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  transition:
    transform var(--motion-standard),
    border-color var(--motion-standard),
    box-shadow var(--motion-standard);
}

.service-card::before {
  content: "";
  position: absolute;
  inset: var(--ring-inset);
  border: var(--border-hairline) solid var(--color-ring-inner);
  border-radius: calc(var(--radius-card) - var(--space-1));
  pointer-events: none;
}

.service-card[data-service="storage"] {
  --service-accent: var(--color-blue);
}

.service-card[data-service="sessions"] {
  --service-accent: var(--color-cyan);
}

.service-card[data-service="operations"] {
  --service-accent: var(--color-violet);
}

.service-card[data-service="agents"] {
  --service-accent: var(--color-amber);
}

.service-card[data-service="workspace"] {
  --service-accent: var(--color-pink);
}

.service-card[data-service="reports"] {
  --service-accent: var(--color-green);
}

.service-card:last-child:nth-child(odd) {
  grid-column: 1 / -1;
  inline-size: calc((100% - var(--space-5)) / 2);
  justify-self: center;
}

.service-card:hover,
.service-card:has(a:focus-visible),
.service-card.demo-hover,
.service-card.demo-focus {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.service-card:active,
.service-card.demo-active {
  transform: translateY(0) scale(0.995);
}

.service-card.demo-focus {
  outline: 3px solid var(--color-focus);
  outline-offset: var(--space-1);
}

.card-heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: var(--card-heading-gap);
}

.service-icon {
  position: relative;
  inline-size: var(--icon-size);
  block-size: var(--icon-size);
  display: grid;
  place-items: center;
  flex: none;
  border: var(--border-hairline) solid var(--color-border);
  border-radius: var(--radius-icon);
  color: var(--service-accent);
  background: var(--color-surface-raised);
  box-shadow: var(--shadow-icon);
}

.service-icon::after {
  content: "";
  position: absolute;
  inset: 5px;
  border: var(--border-hairline) solid rgba(255, 255, 255, 0.08);
  border-radius: calc(var(--radius-icon) - 4px);
  pointer-events: none;
}

.service-icon svg {
  inline-size: var(--icon-glyph-size);
  block-size: var(--icon-glyph-size);
  filter: drop-shadow(0 5px 8px color-mix(in srgb, currentColor 35%, transparent));
}

.service-copy {
  min-inline-size: 0;
}

.service-title-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-block-size: 44px;
  border-radius: var(--radius-row);
  text-decoration: none;
}

.service-title-link h2 {
  min-inline-size: 0;
  margin: 0;
  flex: 1;
  font-size: var(--font-title);
  font-weight: 650;
  letter-spacing: 0.005em;
  line-height: 1.2;
}

.external-arrow {
  inline-size: 36px;
  block-size: 36px;
  flex: none;
  color: var(--color-muted);
  transition:
    color var(--motion-micro),
    transform var(--motion-micro);
}

.service-title-link:hover .external-arrow,
.service-title-link:focus-visible .external-arrow {
  color: var(--color-text);
  transform: translate(var(--space-1), calc(var(--space-1) * -1));
}

.service-description {
  margin: var(--space-1) 0 0;
  color: var(--color-muted);
  font-size: var(--font-body);
  font-weight: 500;
  line-height: 1.5;
}

.endpoints {
  margin-block-start: var(--space-5);
  display: grid;
  gap: var(--endpoint-row-gap);
}

.endpoint-link {
  min-block-size: var(--endpoint-row-height);
  padding:
    var(--space-2)
    var(--endpoint-inline-padding);
  display: grid;
  grid-template-columns: var(--space-5) var(--endpoint-label-width) minmax(0, 1fr);
  align-items: center;
  gap: var(--endpoint-column-gap);
  border: var(--border-hairline) solid var(--color-border);
  border-radius: var(--radius-row);
  color: var(--color-muted);
  background: var(--color-endpoint);
  box-shadow: var(--shadow-endpoint);
  text-decoration: none;
  transition:
    color var(--motion-micro),
    border-color var(--motion-micro),
    transform var(--motion-micro);
}

.endpoint-link:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
}

.service-title-link:focus-visible,
.endpoint-link:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: var(--space-1);
}

.endpoint-icon {
  inline-size: var(--space-5);
  block-size: var(--space-5);
  color: var(--color-subtle);
}

.endpoint-label {
  color: var(--color-subtle);
  font-size: var(--font-label);
  font-weight: 650;
  letter-spacing: 0.02em;
}

.endpoint-value {
  min-inline-size: 0;
  overflow-wrap: anywhere;
  color: inherit;
  font-family: "SFMono-Regular", "SF Mono", Menlo, Consolas, monospace;
  font-size: var(--font-endpoint);
  font-weight: 500;
  line-height: 1.4;
}

.page-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  color: var(--color-subtle);
  font-size: var(--font-body);
  line-height: 1.5;
  text-align: center;
}

.page-footer svg {
  inline-size: var(--space-5);
  block-size: var(--space-5);
  flex: none;
}

.showcase-shell {
  align-content: start;
}

.showcase-label {
  margin: 0 0 var(--space-3);
  color: var(--color-subtle);
  font-size: var(--font-label);
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 900px) {
  :root {
    --font-endpoint: 1rem;
    --font-label: 0.875rem;
    --endpoint-label-width: 84px;
    --endpoint-column-gap: var(--space-2);
  }

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

  .service-card {
    --card-padding-block: var(--space-6);
    --card-padding-inline: var(--space-6);
    --icon-size: 88px;
    --icon-glyph-size: 46px;
  }

  .service-card:last-child:nth-child(odd) {
    grid-column: auto;
    inline-size: auto;
    justify-self: stretch;
  }
}

@media (min-width: 901px) and (max-width: 1400px) {
  :root {
    --font-title: 1.75rem;
    --font-body: 1.125rem;
    --font-endpoint: 1rem;
    --font-label: 0.875rem;
    --endpoint-label-width: 84px;
    --endpoint-column-gap: var(--space-2);
    --endpoint-inline-padding: var(--space-3);
  }

  .service-card {
    --card-padding-block: var(--space-8);
    --card-padding-inline: var(--space-8);
  }

  .external-arrow {
    inline-size: var(--space-5);
    block-size: var(--space-5);
  }
}

@media (max-width: 520px) {
  :root {
    --font-title: 1.5rem;
    --font-lead: 1.125rem;
    --font-body: 1rem;
    --font-endpoint: 0.8125rem;
    --font-label: 0.75rem;
    --page-padding-block-start: var(--space-10);
  }

  .page-shell {
    gap: var(--space-8);
  }

  .service-card {
    --card-padding-block: var(--space-4);
    --card-padding-inline: var(--space-4);
    --icon-size: 56px;
    --icon-glyph-size: var(--space-8);
  }

  .card-heading {
    align-items: start;
  }

  .endpoint-link {
    --endpoint-column-gap: var(--space-2);
    --endpoint-inline-padding: var(--space-3);
    grid-template-columns: var(--space-5) minmax(0, 1fr);
  }

  .external-arrow {
    inline-size: var(--space-5);
    block-size: var(--space-5);
  }

  .endpoint-label,
  .endpoint-value {
    grid-column: 2;
  }

  .endpoint-value {
    margin-block-start: calc(var(--space-1) * -1);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .service-card:hover,
  .service-card:active,
  .service-card:has(a:focus-visible),
  .endpoint-link:hover,
  .service-title-link:hover .external-arrow,
  .service-title-link:focus-visible .external-arrow {
    transform: none;
  }
}