:root {
  /* Colors */
  --bg-primary: #fbfbf6;
  --bg-white: #ffffff;
  --text-primary: #1d1d1d;
  --accent-yellow: #f2bb32;
  --accent-green: #388641;
  --accent-blue: #2c69d2;
  --border-light: #ebebeb;

  /* Typography - Studio Feixen Vincit */
  --font-display: "Studio Feixen Vincit Display", sans-serif;
  --font-regular: "Studio Feixen Vincit", sans-serif;
  --font-bold: "Studio Feixen Vincit Bold", "Studio Feixen Vincit", sans-serif;

  --font-size-heading: 32px;
  --font-size-subheading: 24px;
  --font-size-body: 16px;
  --font-size-small: 14px;

  --line-height-tight: 1;
  --line-height-body: 1.5;
  --line-height-small: 1.5;

  /* Spacing */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 20px;
  --spacing-lg: 30px;
  --spacing-xl: 40px;
  --spacing-2xl: 50px;

  /* Border Radius */
  --border-radius: 8px;
  --border-radius-pill: 999px;

  /* Box shadow */
  --box-shadow-content:
    0px 4px 6px rgba(0, 0, 0, 0.1), 0px 2px 4px rgba(0, 0, 0, 0.06);
  --box-shadow-header: 0px 2px 4px rgba(0, 0, 0, 0.1);

  /* Container */
  --container-max-width: 1200px;
  --main-content-width: 700px;
  --sidebar-width: 300px;

  /* Z-index */
  --z-nav: 1000;
  --z-mobile-menu: 999;
}

/* Vincit font-face definitions */
@font-face {
  font-family: "Studio Feixen Vincit";
  src:
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Regular.woff2")
      format("woff2"),
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Regular.woff")
      format("woff"),
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Regular.ttf")
      format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Studio Feixen Vincit Bold";
  src:
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Bold.woff2")
      format("woff2"),
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Bold.woff")
      format("woff"),
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Bold.ttf")
      format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Studio Feixen Vincit Display";
  src:
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Display.woff2")
      format("woff2"),
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Display.woff")
      format("woff"),
    url("https://www.vincit.com/hubfs/vincit-hubspot-theme-2023/fonts/StudioFeixenVincit-Display.ttf")
      format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

/* End Vincit fonts */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 1rem;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-regular), sans-serif;
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
}

/* ===================================
   Skip to content link
   =================================== */
#skip-to-content a {
  position: absolute;
  top: -50px;
  left: 0;
  background-color: var(--accent-yellow);
  color: var(--text-primary);
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  text-decoration: none;
  z-index: calc(var(--z-nav) + 100);
}

#skip-to-content a:focus {
  position: absolute;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
  transition: top 0.1s ease-in;
}

/* ===================================
   HEADER & NAVIGATION
   =================================== */

header {
  background-color: var(--bg-white);
  box-shadow: var(--box-shadow-header);
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  transition: transform 0.3s ease;
}

header.hide-header {
  transform: translateY(-100%);
}

.header-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-title {
  font-family: var(--font-display);
  font-size: var(--font-size-heading);
  font-weight: 800;
  text-transform: uppercase;
}

/* Brand (logo + title) */
.brand {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
}

.site-logo {
  display: inline-block;
  height: auto;
}

.brand-logo {
  width: var(--sidebar-width);
}
.site-logo--logo {
  display: inline-block;
  width: 120px;
}

.site-logo--mark {
  display: none;
}

/* Main Navigation - Desktop */

.nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-left: 0;
}

.nav-list a {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius);
  display: block;
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

.nav-list a:hover,
.nav-list a:focus {
  background-color: var(--accent-yellow);
  outline: 2px solid var(--accent-blue);
}

.nav-list a[aria-current="page"] {
  background-color: var(--accent-blue);
  color: white;
}

.nav-toggle {
  display: none;
}

/* Mobile Navigation Menu */
.nav-mobile {
  position: fixed;
  top: 90px;
  left: -100%;
  width: 100%;
  height: calc(100vh - 80px);
  background-color: var(--bg-white);
  z-index: var(--z-mobile-menu);
  padding: var(--spacing-xl);
  transition: left 0.3s ease;
  overflow-y: auto;
  display: none;
}

.nav-mobile.open {
  display: block;
  left: 0;
}

@media (min-width: 768px) {
  .nav-mobile {
    display: block;
    position: inherit;
    width: auto;
    height: auto;
    background-color: transparent;
    padding: var(--spacing-lg) var(--spacing-md);
    width: var(--sidebar-width);
  }
}

/* ===================================
   MAIN LAYOUT
   =================================== */

.layout-wrapper {
  display: flex;
  max-width: var(--container-max-width);
  margin: 0 auto;
  align-items: flex-start;
}

.main-content {
  flex: 1;
  padding: var(--spacing-xl);
}

/* ===================================
   PAGE TITLE AND CONTENT
   =================================== */

h1 {
  font-family: var(--font-bold);
  font-size: var(--font-size-heading);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-tight);
}

h2 {
  font-size: var(--font-size-subheading);
  font-weight: 400;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-tight);
}

h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-body);
}

ul,
ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-body);
}

/* Content sections */
.content-section {
  background-color: var(--bg-white);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-content);
}

/* ===================================
   WCAG BADGES
   =================================== */

.wcag-badge {
  display: inline-flex;
  gap: var(--spacing-sm);
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-pill);
  font-size: var(--font-size-small);
  font-weight: 500;
  margin-top: var(--spacing-md);
  background-color: var(--accent-yellow);
  color: var(--text-primary);
  box-shadow: var(--box-shadow-content);
}

.wcag-badge.recommendation {
  background-color: var(--bg-white);
  border: 1px solid var(--border-light);
}

.wcag-badge a {
  color: var(--text-primary);
  text-decoration: underline;
  text-decoration-skip-ink: auto;
}

.wcag-badge a:hover,
.wcag-badge a:focus {
  color: var(--accent-blue);
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* ===================================
   LINKS
   =================================== */

a {
  color: var(--accent-blue);
  text-decoration: underline;
  text-decoration-skip-ink: auto;
  transition: color 0.2s ease;
}

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

a:focus {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* ===================================
   FOOTER NAVIGATION
   =================================== */

.page-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--border-light);
}

.page-nav a {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--bg-white);
  color: var(--text-primary);
  text-decoration: none;
  border: 1px solid var(--border-light);
  border-radius: var(--border-radius);
  transition:
    background-color 0.2s ease,
    border-color 0.2s ease;
  min-height: 44px;
  font-weight: 500;
}

.page-nav a:hover,
.page-nav a:focus {
  background-color: var(--accent-yellow);
  border-color: var(--accent-blue);
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

.page-nav a:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.page-nav-prev {
  margin-right: auto;
}

.page-nav-next {
  margin-left: auto;
}

/* ===================================
   FOOTER
   =================================== */

footer {
  background-color: var(--bg-white);
  border-top: 1px solid var(--border-light);
  margin-top: var(--spacing-2xl);
  padding: var(--spacing-xl);
  text-align: center;
  font-size: var(--font-size-small);
}

footer a {
  color: var(--text-primary);
  text-decoration: none;
}

footer a:hover,
footer a:focus {
  text-decoration: underline;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 767px) {
  /* Mobile Navigation Button */
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 2px solid var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 1.5rem;
    min-width: 44px;
    min-height: 44px;
    transition: all 0.3s ease;
  }

  .nav-toggle:hover,
  .nav-toggle:focus {
    background-color: var(--accent-yellow);
    outline: 2px solid var(--accent-blue);
  }
  .nav-list {
    gap: var(--spacing-xs);
  }
  .site-logo--mark {
    display: inline-block;
    width: 44px;
  }
  .brand {
    gap: var(--spacing-sm);
  }
  .brand-logo {
    width: auto;
  }
  .site-logo--logo {
    display: none;
  }
  .layout-wrapper {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
  }

  .main-content {
    width: 100%;
    padding: var(--spacing-md);
  }

  .header-container {
    padding: var(--spacing-md);
  }

  .site-title {
    font-size: 1rem;
  }

  h1 {
    font-size: 1.75rem;
    margin-top: var(--spacing-sm);
  }

  .page-nav {
    flex-direction: column;
  }

  .page-nav a {
    width: 100%;
  }

  .page-nav-prev,
  .page-nav-next {
    margin: 0;
  }
}

/* ===================================
   FOCUS VISIBLE STATES (for keyboard navigation)
   =================================== */

button:focus-visible,
a:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

/* ===================================
   PRINT STYLES
   =================================== */

@media print {
  header,
  .nav-toggle,
  .page-nav {
    display: none;
  }

  body {
    background-color: white;
  }
}

/* ===================================
   UTILITY CLASSES
   =================================== */

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

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

/* Icon handling */
.icon {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  vertical-align: middle;
  margin-right: var(--spacing-sm);
}