:root {
  color-scheme: light;
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-subtle: #f4f9ff;
  --color-surface-raised: #ffffff;
  --color-text: #0b1537;
  --color-text-secondary: #405575;
  --color-text-muted: #5b6f8b;
  --color-border: #e0eaf6;
  --color-border-strong: #bfd2eb;
  --color-primary: #1765ee;
  --color-primary-hover: #0d56d9;
  --color-primary-strong: #0b4bcb;
  --color-primary-soft: #eaf3ff;
  --color-success: #18734a;
  --color-success-soft: #e8f5ed;
  --color-warning: #946200;
  --color-warning-soft: #fff5d9;
  --color-error: #ae3038;
  --color-error-soft: #fbeaec;
  --color-unknown-soft: #f1f4f8;

  --font-sans: Inter, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Consolas, monospace;
  --type-display: clamp(2.375rem, 4.5vw, 3.5rem);
  --type-app-display: clamp(2rem, 3.4vw, 3rem);
  --type-page-title: clamp(1.75rem, 2.8vw, 2.25rem);
  --type-section: 1.375rem;
  --type-body: 1rem;
  --type-small: .875rem;
  --type-meta: .75rem;
  --line-tight: 1.12;
  --line-body: 1.55;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --page-max: 1240px;
  --page-content-wide: 1120px;
  --page-gutter: clamp(20px, 4vw, 48px);
  --workbench-max: 1480px;

  --radius-control: 9px;
  --radius-compact: 10px;
  --radius-surface: 14px;
  --radius-dialog: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 24px rgba(21, 52, 91, .07);
  --shadow-overlay: 0 18px 48px rgba(15, 35, 67, .18);
  --focus-ring: 0 0 0 3px rgba(23, 101, 238, .24);

  --control-height: 44px;
  --icon-size: 24px;
  --icon-compact: 18px;
  --icon-nav: 20px;
  --icon-action: 22px;
  --font-size-meta: var(--type-meta);
  --font-size-ui: var(--type-small);
  --font-size-dense: var(--type-small);
  --font-size-body: var(--type-body);
  --font-size-section: var(--type-section);
  --font-size-title: var(--type-page-title);
  --font-page-title: var(--type-app-display);
  --layout-content: var(--workbench-max);
}

html {
  min-width: 0;
  scroll-behavior: smooth;
}

body {
  min-width: 0;
  color: var(--color-text);
  background: var(--color-bg);
  font-family: var(--font-sans);
  font-size: var(--type-body);
  line-height: var(--line-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
summary {
  cursor: pointer;
}

:is(a, button, input, select, textarea, summary):focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  box-shadow: var(--focus-ring);
}

img,
svg {
  vertical-align: middle;
}

.site-header .brand-mark {
  display: block;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
}

.site-header {
  position: relative;
  z-index: 20;
  height: 72px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  width: min(calc(100% - 2 * var(--page-gutter)), var(--page-max));
  height: 100%;
  margin-inline: auto;
  padding: 0;
}

.site-header .brand,
.site-footer .brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 44px;
  gap: 9px;
  color: var(--color-text);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.035em;
  white-space: nowrap;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.8vw, 24px);
  margin-left: clamp(24px, 3.8vw, 52px);
  color: var(--color-text-secondary);
  font-size: 14px;
  white-space: nowrap;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: inherit;
  transition: color .15s ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-text);
}

.site-nav a[aria-current="page"]::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--color-primary);
  content: "";
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-left: auto;
  white-space: nowrap;
}

.sign-in {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  color: var(--color-text-secondary);
  font-size: 14px;
}

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

:is(.button, .product-button, .pricing-button, .faq-button, .contact-button) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--control-height);
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease, box-shadow .15s ease;
}

:is(.button-primary, .product-button-primary, .pricing-button-primary, .faq-button-primary, .contact-button-primary, .button.primary) {
  color: #fff;
  border-color: var(--color-primary);
  background: var(--color-primary);
}

:is(.button-primary, .product-button-primary, .pricing-button-primary, .faq-button-primary, .contact-button-primary, .button.primary):hover {
  color: #fff;
  border-color: var(--color-primary-hover);
  background: var(--color-primary-hover);
}

:is(.button-secondary, .product-button-outline, .pricing-button-outline, .faq-button-outline, .contact-button-outline, .button.secondary) {
  color: var(--color-primary-strong);
  border-color: var(--color-border-strong);
  background: var(--color-surface);
}

:is(.button-secondary, .product-button-outline, .pricing-button-outline, .faq-button-outline, .contact-button-outline, .button.secondary):hover {
  color: var(--color-primary-strong);
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.header-cta {
  gap: 10px;
  width: auto;
  padding-inline: 17px;
  font-size: 14px;
}

.arrow-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.site-header .mobile-menu {
  position: relative;
  display: none;
}

.site-header .mobile-menu > summary {
  display: grid;
  place-content: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-control);
  background: var(--color-surface);
  list-style: none;
}

.site-header .mobile-menu > summary::-webkit-details-marker {
  display: none;
}

.site-header .mobile-menu > summary span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--color-text);
  transition: opacity .15s ease, transform .15s ease;
}

.site-header .mobile-menu[open] > summary span:nth-child(2) {
  opacity: 0;
}

.site-header .mobile-menu[open] > summary span:first-child {
  transform: translateY(6px) rotate(45deg);
}

.site-header .mobile-menu[open] > summary span:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header .mobile-nav {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  display: none;
  width: min(280px, calc(100vw - 32px));
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-surface);
  background: var(--color-surface);
  box-shadow: var(--shadow-overlay);
}

.site-header .mobile-menu[open] > .mobile-nav {
  display: grid;
}

.site-header .mobile-nav a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  border-radius: var(--radius-control);
  color: var(--color-text-secondary);
  font-size: 14px;
}

.site-header .mobile-nav a:hover,
.site-header .mobile-nav a:focus-visible,
.site-header .mobile-nav a[aria-current="page"] {
  color: var(--color-text);
  background: var(--color-primary-soft);
}

.site-header .mobile-nav a.mobile-menu-cta,
.site-header .mobile-nav a.faq-mobile-nav-cta,
.site-header .mobile-nav a.contact-mobile-nav-cta {
  margin-top: 4px;
  color: #fff;
  background: var(--color-primary);
}

.site-footer {
  height: auto;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

:is(.faq-page, .contact-page) {
  min-width: 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  width: min(calc(100% - 2 * var(--page-gutter)), var(--page-max));
  min-height: 92px;
  margin-inline: auto;
  padding: 20px 0;
  transform: none;
}

.site-footer .footer-brand .brand-mark {
  width: 30px;
  height: 30px;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  white-space: normal;
}

.footer-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: var(--control-height);
  padding-inline: 4px;
}

.footer-nav a:hover,
.footer-nav a[aria-current="page"] {
  color: var(--color-text);
}

:is(.copyright, .footer-copyright, .product-copyright, .pricing-copyright, .faq-copyright, .contact-copyright) {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.4;
  white-space: nowrap;
}

.auth-brand-mark,
.ui-brand-mark {
  display: block;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
}

.ui-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--color-text);
  text-decoration: none;
}

.ui-sidebar .ui-brand {
  padding: 0 var(--space-2) var(--space-5);
}

.ui-brand strong,
.ui-brand small {
  display: block;
}

.ui-brand strong {
  font-size: 15px;
}

.ui-brand small {
  margin-top: 2px;
  color: var(--color-text-muted);
  font-size: 12px;
}

.ui-icon {
  display: inline-block;
  width: var(--icon-nav);
  height: var(--icon-nav);
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.auth-flow-step {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
}

.auth-flow-step strong {
  font-size: 14px;
}

.auth-flow-step small {
  color: var(--color-text-muted);
  font-size: 12px;
  line-height: 1.4;
}

.auth-flow .auth-flow-arrow {
  width: 20px;
  height: 20px;
}

@media (max-width: 900px) {
  .site-nav,
  .site-header .header-cta {
    display: none;
  }

  .header-actions {
    gap: 12px;
  }

  .site-header .mobile-menu {
    display: block;
  }

  .footer-inner {
    grid-template-columns: 1fr auto;
    gap: 16px 24px;
    padding: 24px 0;
  }

  .footer-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
  }

  :is(.copyright, .footer-copyright, .product-copyright, .pricing-copyright, .faq-copyright, .contact-copyright) {
    justify-self: end;
    white-space: normal;
    text-align: right;
  }
}

@media (max-width: 600px) {
  .header-inner {
    width: calc(100% - 40px);
  }

  .site-header .brand,
  .site-footer .brand {
    gap: 7px;
    font-size: 16px;
  }

  .site-header .brand-mark {
    width: 31px;
    height: 31px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 12px;
    padding: 24px 0;
  }

  .footer-nav {
    grid-column: 1;
    grid-row: auto;
    justify-content: flex-start;
    gap: 2px 18px;
  }

  :is(.copyright, .footer-copyright, .product-copyright, .pricing-copyright, .faq-copyright, .contact-copyright) {
    justify-self: start;
    text-align: left;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}