:root {
  color-scheme: light dark;

  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --color-bg: #f4f5f7;
  --color-bg-alt: #eceef1;
  --color-surface: #ffffff;
  --color-surface-2: #f8f9fb;
  --color-border: #dfe2e8;
  --color-border-strong: #c4c9d2;

  --color-text: #16181d;
  --color-text-muted: #565d68;
  --color-text-subtle: #7a828e;
  --color-text-inverse: #ffffff;

  --color-primary: #2b3af0;
  --color-primary-hover: #1f2ccc;
  --color-primary-active: #1a24a8;
  --color-primary-soft: #e8eaff;

  --color-secondary: #31343c;
  --color-secondary-hover: #454a55;

  --color-accent: #0f9d8f;
  --color-accent-hover: #0b7d72;
  --color-accent-soft: #d9f6f2;

  --color-neutral-50: #f7f8fa;
  --color-neutral-100: #eef0f4;
  --color-neutral-200: #dfe2e8;
  --color-neutral-300: #c4c9d2;
  --color-neutral-400: #9aa1ad;
  --color-neutral-500: #6f7783;
  --color-neutral-600: #565d68;
  --color-neutral-700: #3c424b;
  --color-neutral-800: #262a31;
  --color-neutral-900: #16181d;

  --color-success: #178a52;
  --color-warning: #b4690e;
  --color-danger: #c02b2b;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.04em;
  --tracking-widest: 0.08em;

  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-xs: 0 1px 2px rgba(16, 18, 22, 0.06);
  --shadow-sm: 0 1px 3px rgba(16, 18, 22, 0.08), 0 1px 2px rgba(16, 18, 22, 0.04);
  --shadow-md: 0 4px 12px rgba(16, 18, 22, 0.08), 0 2px 4px rgba(16, 18, 22, 0.04);
  --shadow-lg: 0 12px 32px rgba(16, 18, 22, 0.12), 0 4px 8px rgba(16, 18, 22, 0.05);
  --shadow-xl: 0 24px 64px rgba(16, 18, 22, 0.18);

  --container-sm: 40rem;
  --container-md: 56rem;
  --container-lg: 72rem;
  --container-xl: 84rem;

  --ring-focus: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--color-primary);
  --transition-fast: 140ms cubic-bezier(0.2, 0, 0, 1);
  --transition-base: 240ms cubic-bezier(0.2, 0, 0, 1);
  --transition-slow: 420ms cubic-bezier(0.2, 0, 0, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0e1014;
    --color-bg-alt: #14171c;
    --color-surface: #181b21;
    --color-surface-2: #1f232b;
    --color-border: #2b303a;
    --color-border-strong: #3b414d;

    --color-text: #f2f4f7;
    --color-text-muted: #a5adba;
    --color-text-subtle: #7d8593;
    --color-text-inverse: #0e1014;

    --color-primary: #7d8bff;
    --color-primary-hover: #9aa5ff;
    --color-primary-active: #b6beff;
    --color-primary-soft: #1c2140;

    --color-secondary: #d3d8e0;
    --color-secondary-hover: #ffffff;

    --color-accent: #2fd3bd;
    --color-accent-hover: #5ee2d0;
    --color-accent-soft: #10302d;

    --color-success: #45c483;
    --color-warning: #e0a44a;
    --color-danger: #f06a6a;

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.65);
  }
}

:root[data-theme="dark"] {
  --color-bg: #0e1014;
  --color-bg-alt: #14171c;
  --color-surface: #181b21;
  --color-surface-2: #1f232b;
  --color-border: #2b303a;
  --color-border-strong: #3b414d;
  --color-text: #f2f4f7;
  --color-text-muted: #a5adba;
  --color-text-subtle: #7d8593;
  --color-text-inverse: #0e1014;
  --color-primary: #7d8bff;
  --color-primary-hover: #9aa5ff;
  --color-primary-active: #b6beff;
  --color-primary-soft: #1c2140;
  --color-secondary: #d3d8e0;
  --color-secondary-hover: #ffffff;
  --color-accent: #2fd3bd;
  --color-accent-hover: #5ee2d0;
  --color-accent-soft: #10302d;
  --color-success: #45c483;
  --color-warning: #e0a44a;
  --color-danger: #f06a6a;
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.65);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote {
  margin: 0 0 var(--space-4);
}

h1,
h2,
h3,
h4 {
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

h1 {
  font-size: clamp(2rem, 1.2rem + 3.6vw, var(--text-6xl));
}

h2 {
  font-size: clamp(1.6rem, 1.1rem + 2.4vw, var(--text-5xl));
}

h3 {
  font-size: clamp(1.35rem, 1.05rem + 1.4vw, var(--text-3xl));
}

h4 {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
}

p {
  max-width: 68ch;
  color: var(--color-text-muted);
}

small,
.text-small {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

img,
svg,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

code,
pre,
kbd,
samp {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

code {
  background: var(--color-neutral-100);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: 0.12em 0.38em;
}

pre {
  background: var(--color-neutral-900);
  color: #e7eaf0;
  border-radius: var(--radius-md);
  padding: var(--space-5);
  overflow-x: auto;
  box-shadow: var(--shadow-sm);
}

pre code {
  background: none;
  border: 0;
  padding: 0;
  color: inherit;
}

:focus-visible {
  outline: none;
  box-shadow: var(--ring-focus);
  border-radius: var(--radius-xs);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-10) 0;
}

::selection {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.container {
  width: 100%;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.container-narrow {
  max-width: var(--container-sm);
}

.container-wide {
  max-width: var(--container-xl);
}

.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.stack > * + * {
  margin-top: var(--space-4);
}

.stack-lg > * + * {
  margin-top: var(--space-8);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

@media (min-width: 40rem) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 56rem) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7em 1.25em;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1.2;
  letter-spacing: var(--tracking-normal);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: var(--color-text-inverse);
}

.btn-primary:active {
  background: var(--color-primary-active);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background: var(--color-surface-2);
  border-color: var(--color-neutral-400);
  color: var(--color-text);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
}

.btn-ghost:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
}

.btn-accent {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  color: var(--color-text-inverse);
}

.btn-sm {
  padding: 0.5em 0.9em;
  font-size: var(--text-xs);
}

.btn-lg {
  padding: 0.9em 1.6em;
  font-size: var(--text-base);
}

.btn-block {
  width: 100%;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.card-elevated {
  box-shadow: var(--shadow-md);
}

.card-interactive {
  transition: transform var(--transition-base), box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.card-interactive:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-strong);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.25em 0.7em;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary-hover);
}

.badge-accent {
  background: var(--color-accent-soft);
  color: var(--color-accent-hover);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-text);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-1);
}

.site-nav__link {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.site-nav__link:hover {
  color: var(--color-text);
  background: var(--color-surface-2);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.nav-toggle__bar {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin-inline: auto;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav--open {
  display: flex;
  position: absolute;
  left: var(--space-5);
  right: var(--space-5);
  top: calc(100% + var(--space-2));
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.site-nav--open .site-nav__link {
  padding: var(--space-3);
  color: var(--color-text);
  font-size: var(--text-base);
}

@media (min-width: 48rem) {
  .site-nav {
    display: flex;
  }

  .nav-toggle {
    display: none;
  }
}

.site-footer {
  margin-top: var(--space-16);
  padding-block: var(--space-12) var(--space-6);
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

.site-footer__col {
  min-width: 0;
}

.site-footer__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.site-footer__brand {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.site-footer__tagline {
  max-width: 32ch;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
}

.site-footer__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.site-footer__links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
}

.site-footer__links a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
}

@media (min-width: 48rem) {
  .site-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: var(--space-10);
  }
}

.text-muted {
  color: var(--color-text-muted);
}

.text-center {
  text-align: center;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity var(--transition-slow) var(--ease-out),
    transform var(--transition-slow) var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.fade-up {
  animation: fade-up var(--transition-slow) var(--ease-out) both;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(1.25rem);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.marquee {
  display: flex;
  gap: var(--space-6);
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.marquee__track {
  display: flex;
  flex-shrink: 0;
  gap: var(--space-6);
  animation: marquee 28s linear infinite;
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-100%);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

.example-card {
  max-width: var(--container-sm);
  margin-inline: auto;
  text-align: center;
}

.example-icon {
  display: block;
  margin-inline: auto;
  color: var(--color-text-muted);
  width: 3rem;
  height: 3rem;
}

.example-title {
  margin-block: var(--space-6) var(--space-3);
  line-height: var(--leading-tight);
}

.example-lede {
  margin-inline: auto;
  max-width: 34rem;
}

.example-snippet {
  margin-block-start: var(--space-8);
  text-align: left;
}

.example-snippet__label {
  display: block;
  margin-block-end: var(--space-2);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.example-snippet__row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
}

.example-snippet__code {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text);
  overflow-wrap: anywhere;
}

.example-copy {
  flex: 0 0 auto;
}

.example-trust {
  margin-block-start: var(--space-6);
}

.example-actions {
  margin-block-start: var(--space-10);
  display: flex;
  justify-content: center;
}