:root {
  color-scheme: dark;
  --space-2xs: 0.618rem;
  --space-xs: 0.786rem;
  --space-sm: 1rem;
  --space-md: 1.272rem;
  --space-lg: 1.618rem;
  --space-xl: 2.618rem;
  --space-2xl: 4.236rem;
  --font-ui: 0.786rem;
  --font-body: 1rem;
  --font-code: 1rem;
  --font-h3: 1.272rem;
  --font-h2: clamp(1.618rem, 5vw, 2.618rem);
  --font-h1: clamp(2.618rem, 7vw, 4.236rem);
  --lh-heading: 1;
  --lh-body: 1.618;
  --lh-dense: 1.272;
  --page-gutter: var(--space-sm);
  --header-offset: calc(var(--space-2xl) + var(--space-sm));
  --header-offset-mobile: calc(var(--space-2xl) + var(--space-lg));
  --size-logo-rail-item: calc(var(--space-2xl) + var(--space-lg));
  --size-logo-rail-item-mobile: calc(var(--space-xl) + var(--space-xl));
  --size-logo-image: calc(var(--space-xl) + var(--space-2xs));
  --size-logo-image-mobile: var(--space-xl);
  --size-logo-image-max: calc(var(--space-2xl) + var(--space-2xl) + var(--space-xl) + var(--space-sm));
  --size-logo-image-max-mobile: calc(var(--space-2xl) + var(--space-2xl) + var(--space-lg));
  --size-output-line: calc(var(--space-sm) + var(--space-md));
  --size-hero-background: calc(var(--space-2xl) + var(--space-2xl) + var(--space-2xl) + var(--space-2xl) + var(--space-2xl) + var(--space-2xl) + var(--space-xl));
  --bg: #0b1020;
  --surface: rgba(14, 14, 14, 0.92);
  --text: #f4f4f4;
  --muted: #b9b9b9;
  --line: rgba(255, 255, 255, 0.16);
  --cyan: #d6d6d6;
  --green: #4ade80;
  --gain-gray: #8d95a8;
  --gain-amber: #d6b26f;
  --gain-green: #7fd39a;
  --yaml-key-color: #cf8e6d;
  --yaml-string-color: #6aab73;
  --yaml-number-color: #2aacb8;
  --shadow-soft: 0 16px 42px rgba(2, 6, 23, 0.24);
  --shadow-strong: 0 26px 80px rgba(2, 6, 23, 0.4);
  --radius-lg: var(--space-sm);
  --radius-md: var(--space-xs);
  --container: 60rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 18%, rgba(255, 255, 255, 0.06), transparent 22%),
    linear-gradient(180deg, #050505 0%, #090909 45%, #111111 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.2) 1.2px, transparent 1.8px);
  background-size: 16px 16px;
  opacity: 0.13;
  mask-image: linear-gradient(90deg, black 0%, black 18%, transparent 42%);
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

code,
pre {
  font-family: "IBM Plex Mono", "Consolas", monospace;
}

main,
.anchor-target {
  scroll-margin-top: var(--header-offset);
}

.content-shell {
  width: min(calc(100% - (var(--page-gutter) * 2)), var(--container));
  margin: 0 auto;
}

.section {
  padding: var(--space-xl) 0;
}

.stack-lg > * + * {
  margin-top: var(--space-lg);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid transparent;
  transition: background-color 180ms ease, backdrop-filter 180ms ease;
}

.site-header.is-scrolled {
  backdrop-filter: blur(18px);
  background: rgba(6, 6, 6, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  color: var(--muted);
}

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

.site-nav a + a::before {
  content: "/";
  display: inline-block;
  margin-right: var(--space-md);
  color: rgba(255, 255, 255, 0.18);
}

.site-nav a:focus-visible,
.footer-links a:focus-visible,
.button:focus-visible,
.copy-button:focus-visible,
[data-example-tab]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

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

.button {
  --button-font-size: var(--font-body);
  --button-line-height: var(--lh-dense);
  --button-pad-x: 1em;
  --button-pad-y: 0.618em;
  --button-pad-x-with-icon: 0.618em;
  --button-gap: var(--space-2xs);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--button-gap);
  vertical-align: middle;
  border: 1px solid transparent;
  border-radius: 999px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  white-space: nowrap;
  word-break: keep-all;
  font-weight: 700;
  font-size: var(--button-font-size);
  line-height: var(--button-line-height);
  font-family: inherit;
  padding: var(--button-pad-y) var(--button-pad-x);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.button:has(svg:first-child) {
  padding-left: var(--button-pad-x-with-icon);
}

.button:has(svg:last-child) {
  padding-right: var(--button-pad-x-with-icon);
}

.button:not(:has(svg)) {
  --button-line-height: var(--lh-heading);
  --button-pad-y: var(--space-2xs);
}

.button svg {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
}

.button:hover,
.button:focus-visible,
.copy-button:hover,
.copy-button:focus-visible,
[data-example-tab]:hover,
[data-example-tab]:focus-visible {
  transform: translateY(-1px);
}

.button-ghost,
.copy-button {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(18, 18, 18, 0.82);
  color: var(--text);
}

.header-button {
  margin-left: auto;
}

.hero {
  position: relative;
  overflow: clip;
}

.hero-background {
  position: absolute;
  inset: var(--space-xl) auto auto 2%;
  width: min(var(--size-hero-background), 46vw);
  height: var(--size-hero-background);
  border-radius: 50%;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.48) 1.4px, transparent 2px);
  background-size: 15px 15px;
  filter: blur(42px);
  opacity: 0.3;
  pointer-events: none;
}

.hero-stack {
  position: relative;
  display: grid;
  gap: var(--space-md);
}

.hero-install-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: var(--space-xs);
  row-gap: var(--space-2xs);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(12, 12, 12, 0.68);
}

.hero-install-card pre {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.hero-install-card pre::-webkit-scrollbar {
  display: none;
}

.hero-install-card .copy-status {
  grid-column: 1 / -1;
}

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

h1,
h2,
h3 {
  line-height: var(--lh-heading);
}

h1 {
  max-width: 16ch;
  font-size: var(--font-h1);
  letter-spacing: -0.05em;
}

h2 {
  font-size: var(--font-h2);
  letter-spacing: -0.04em;
}

h3 {
  font-size: var(--font-h3);
  letter-spacing: -0.02em;
}

.example-header h3 {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  line-height: var(--lh-body);
  font-size: var(--font-body);
}

[data-example-tab],
.example-panel {
  border: 1px solid var(--line);
  background: var(--surface);
}

.section-heading {
  display: grid;
  gap: var(--space-sm);
}

.terminal,
.example-panel {
  border-radius: var(--radius-lg);
}

.example-panel {
  padding: var(--space-md);
  box-shadow: var(--shadow-strong);
}

.terminal-bar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
  min-height: var(--space-md);
  padding-left: calc(var(--space-md) + var(--space-sm));
  padding-bottom: var(--space-xs);
  margin-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--muted);
  font-size: var(--font-ui);
  opacity: 0.88;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.terminal-bar::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(50% - (var(--space-xs) / 2));
  width: var(--space-xs);
  height: var(--space-xs);
  transform: translateY(-50%);
  border-radius: 50%;
  background: #ff5f57;
  box-shadow:
    calc(var(--space-xs) + var(--space-2xs)) 0 0 #febc2e,
    calc((var(--space-xs) + var(--space-2xs)) * 2) 0 0 #28c840;
}

.terminal-bar span + span::before {
  content: "\00b7";
  margin: 0 var(--space-2xs);
  color: rgba(255, 255, 255, 0.4);
}

.terminal {
  min-width: 0;
  padding: var(--space-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.98), rgba(18, 18, 18, 0.96));
  box-shadow: var(--shadow-soft);
}

pre {
  margin: 0;
  max-width: 100%;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  color: #ededed;
  font-size: var(--font-code);
  line-height: var(--lh-dense);
  text-wrap: nowrap;
}

code {
  color: inherit;
}

p code,
li code,
a code,
h3 code {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.copy-button {
  min-height: var(--space-sm);
  padding: var(--space-2xs);
  border-radius: var(--space-2xs);
  cursor: pointer;
  font: inherit;
}

.copy-button-inline {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  justify-self: end;
  min-height: calc(var(--space-lg) + var(--space-2xs));
  min-width: calc(var(--space-lg) + var(--space-2xs));
  padding: 0;
  border-color: transparent;
  background: transparent;
}

.copy-button-inline svg {
  position: absolute;
  width: var(--space-md);
  height: var(--space-md);
}

.copy-button-inline .icon-check {
  display: none;
}

.copy-button-inline.is-copied .icon-copy {
  display: none;
}

.copy-button-inline.is-copied .icon-check {
  display: block;
}

.copy-button-inline:hover,
.copy-button-inline:focus-visible {
  transform: none;
}

.copy-status {
  margin-top: var(--space-xs);
  min-height: 0;
  color: var(--green);
}

.copy-status:empty {
  display: none;
}

.logo-marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}

.logo-marquee-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: var(--space-xl);
  animation: logo-marquee 36s linear infinite;
}

.logo-marquee:hover .logo-marquee-track,
.logo-marquee:focus-within .logo-marquee-track {
  animation-play-state: paused;
}

.logo-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--size-logo-rail-item);
  opacity: 0.92;
}

.logo-item img {
  display: block;
  width: auto;
  height: var(--size-logo-image);
  max-width: var(--size-logo-image-max);
  object-fit: contain;
  filter: brightness(0) invert(1);
}

@keyframes logo-marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - var(--space-2xs)));
  }
}

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

.gain-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.gain-report .gain-line {
  display: block;
}

.gain-report .gain-label,
.gain-report .gain-tool {
  font-weight: 600;
  color: var(--text);
}

.gain-report .gain-detail,
.gain-report .gain-shell,
.gain-report .gain-trend-compare {
  color: var(--gain-gray);
}

.gain-report .gain-verdict-high {
  color: var(--gain-green);
}

.gain-report .gain-verdict-mid {
  color: var(--gain-amber);
}

.gain-report .gain-verdict-low {
  color: var(--gain-gray);
}

.gain-report .gain-trend-positive-delta {
  color: var(--gain-green);
  font-weight: 600;
}

.gain-report .gain-trend-negative-delta {
  color: var(--gain-amber);
  font-weight: 600;
}

.filter-demo-source pre,
.filter-demo-result pre {
  overflow-x: auto;
  overflow-y: hidden;
}

.filter-demo-source .filter-line,
.filter-demo-result .output-line {
  display: block;
}

.filter-demo-source .filter-line {
  opacity: 0.2;
  transition: opacity 220ms ease;
}

.filter-demo-source .filter-line.is-active {
  opacity: 1;
}

.filter-demo-source .yaml-key {
  color: var(--yaml-key-color);
}

.filter-demo-source .yaml-string {
  color: var(--yaml-string-color);
}

.filter-demo-source .yaml-number {
  color: var(--yaml-number-color);
}

.filter-demo-result .output-line {
  max-height: var(--size-output-line);
  opacity: 1;
  overflow: hidden;
  transition: opacity 220ms ease, max-height 220ms ease;
}

.filter-demo-result .output-line.is-hidden {
  opacity: 0;
  max-height: 0;
}

.example-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

[data-example-tab] {
  color: var(--text);
  cursor: pointer;
}

[data-example-tab].is-active {
  border-color: rgba(255, 255, 255, 0.26);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
}

.example-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.example-meta {
  color: rgba(232, 238, 249, 0.82);
}

.terminal-pair {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.site-footer {
  padding: var(--space-xl) 0;
}

.footer-grid {
  display: grid;
  gap: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid rgba(151, 171, 205, 0.12);
}

.footer-brand {
  color: var(--text);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  color: var(--muted);
}

@media (min-width: 760px) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: end;
  }

  .footer-links {
    justify-content: flex-end;
  }
}

@media (max-width: 960px) {
  .filter-demo {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-row {
    gap: var(--space-xs);
  }

  .site-nav {
    gap: var(--space-xs);
  }

  .site-nav a + a::before {
    margin-right: var(--space-xs);
  }

  main,
  .anchor-target {
    scroll-margin-top: var(--header-offset-mobile);
  }

  .section {
    padding: var(--space-xl) 0;
  }

  .site-footer {
    padding: var(--space-xl) 0;
  }

  .example-panel,
  .terminal {
    padding: var(--space-sm);
  }

  .logo-marquee-track {
    gap: var(--space-lg);
  }

  .logo-item {
    min-height: var(--size-logo-rail-item-mobile);
  }

  .logo-item img {
    height: var(--size-logo-image-mobile);
    max-width: var(--size-logo-image-max-mobile);
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .logo-marquee {
    overflow-x: auto;
    mask-image: none;
  }

}