:root {
  --stk-color-dark: #0F212E;
  --stk-color-bright: #FFFFFF;
  --stk-color-accent: #1475E1;
  --stk-color-bg: #1a2e39;
  --stk-color-text: #FFFFFF;
  --stk-color-muted: #B1BAD3;
  --stk-color-panel: #1A2C38;
  --stk-color-field: #0F1923;
  --stk-color-border: #2F4553;
  --stk-color-live: #00E701;
  
  --stk-font-body: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --stk-font-heading: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --stk-radius: 0.5rem;
  --stk-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --stk-max-width: 1440px;
}

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

body {
  font-family: var(--stk-font-body);
  background-color: var(--stk-color-bg);
  color: var(--stk-color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Header Layout */
.stk-header {
  background-color: var(--stk-color-dark);
  border-bottom: 1px solid var(--stk-color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1.5rem;
}

.stk-header__container {
  max-width: var(--stk-max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Logo */
.stk-logo {
  display: inline-flex;
  align-items: center;
  height: 2.25rem;
  flex-shrink: 0;
}

.stk-logo img {
  height: 100%;
  width: auto;
  object-fit: contain;
}

/* CTAs */
.stk-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--stk-radius);
  transition: all var(--stk-transition);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.stk-cta--primary {
  background-color: var(--stk-color-accent);
  color: var(--stk-color-bright);
}

.stk-cta--primary:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  box-shadow: 0 0 15px rgba(20, 117, 225, 0.4);
}

.stk-cta--secondary {
  background-color: var(--stk-color-panel);
  border-color: var(--stk-color-border);
  color: var(--stk-color-bright);
}

.stk-cta--secondary:hover {
  background-color: var(--stk-color-border);
  color: var(--stk-color-bright);
}

.stk-header__ctas {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stk-header__actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* Navigation Styling - Standard Responsive (collapse_menu_to_burger is false) */
.stk-nav {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  justify-content: flex-start;
}

.stk-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 2rem;
  height: 1.25rem;
  cursor: pointer;
  z-index: 1020;
  position: relative;
}

.stk-nav__toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--stk-color-bright);
  border-radius: 2px;
  transition: transform var(--stk-transition), opacity var(--stk-transition);
}

/* Desktop Inline Navigation */
.stk-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.stk-nav__item {
  position: relative;
}

.stk-nav__link {
  display: flex;
  align-items: center;
  padding: 0.625rem 0.875rem;
  color: var(--stk-color-muted);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--stk-radius);
  transition: all var(--stk-transition);
  border-bottom: 2px solid transparent;
}

.stk-nav__link:hover,
.stk-nav__link--active {
  color: var(--stk-color-bright);
  background-color: rgba(255, 255, 255, 0.04);
}

.stk-nav__link--active {
  border-bottom-color: var(--stk-color-accent);
}

/* Nested Dropdown Submenu */
.stk-nav__submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--stk-color-panel);
  border: 1px solid var(--stk-color-border);
  border-radius: var(--stk-radius);
  min-width: 180px;
  list-style: none;
  padding: 0.5rem 0;
  margin-top: 0.5rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
  z-index: 110;
}

.stk-nav__item--has-children:hover .stk-nav__submenu {
  display: block;
}

.stk-nav__submenu .stk-nav__link {
  border-bottom: none;
  border-radius: 0;
  padding: 0.5rem 1rem;
}

/* Language Switcher */
.stk-lang {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  background-color: var(--stk-color-field);
  padding: 0.25rem;
  border: 1px solid var(--stk-color-border);
  border-radius: var(--stk-radius);
}

.stk-lang__item {
  display: inline-flex;
}

.stk-lang__link {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--stk-color-muted);
  padding: 0.25rem 0.5rem;
  border-radius: calc(var(--stk-radius) - 0.25rem);
  transition: all var(--stk-transition);
}

.stk-lang__link:hover,
.stk-lang__link--active {
  color: var(--stk-color-bright);
  background-color: var(--stk-color-panel);
}

/* Breadcrumbs */
.stk-breadcrumbs {
  background-color: var(--stk-color-panel);
  border-bottom: 1px solid var(--stk-color-border);
  padding: 0.75rem 1.5rem;
}

.stk-breadcrumbs ol {
  max-width: var(--stk-max-width);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--stk-color-muted);
}

.stk-breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.stk-breadcrumbs__item:not(:last-child)::after {
  content: "/";
  color: var(--stk-color-border);
  font-weight: bold;
}

.stk-breadcrumbs__link {
  transition: color var(--stk-transition);
}

.stk-breadcrumbs__link:hover {
  color: var(--stk-color-bright);
}

/* Main Content Region */
.stk-main {
  flex: 1;
  width: 100%;
}

/* Footer styling */
.stk-footer {
  background-color: var(--stk-color-dark);
  border-top: 1px solid var(--stk-color-border);
  padding: 3rem 1.5rem 2rem;
  margin-top: auto;
}

.stk-footer__container {
  max-width: var(--stk-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.stk-footer__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
}

.stk-footer__brand {
  flex: 1;
  min-width: 200px;
}

.stk-footer__nav-wrapper {
  flex: 2;
  min-width: 250px;
}

.stk-footer-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  list-style: none;
}

.stk-footer-nav__link {
  font-size: 0.875rem;
  color: var(--stk-color-muted);
  font-weight: 500;
  transition: color var(--stk-transition);
}

.stk-footer-nav__link:hover {
  color: var(--stk-color-bright);
}

.stk-footer__ctas {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.stk-footer__bottom {
  border-top: 1px solid var(--stk-color-border);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8125rem;
  color: var(--stk-color-muted);
}

.stk-footer__address {
  font-style: normal;
}

/* Responsive Styling (Mobile Breakpoint <= 768px) */
@media (max-width: 768px) {
  .stk-header__ctas {
    display: none;
  }

  .stk-nav {
    flex: 0 1 auto;
  }

  .stk-nav__toggle {
    display: flex;
  }

  /* Convert list to vertical dropdown block on mobile */
  .stk-nav__list {
    display: none;
    position: absolute;
    top: 100%;
    left: -150px;
    right: -1.5rem;
    background-color: var(--stk-color-dark);
    border-top: 1px solid var(--stk-color-border);
    border-bottom: 1px solid var(--stk-color-border);
    flex-direction: column;
    width: calc(100vw - 1.5rem);
    max-width: 300px;
    padding: 1rem;
    gap: 0.5rem;
    z-index: 1010;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-radius: var(--stk-radius);
  }

  .stk-nav__checkbox:checked ~ .stk-nav__list {
    display: flex;
  }

  /* Burger Line Animations */
  .stk-nav__checkbox:checked ~ .stk-nav__toggle .stk-nav__toggle-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .stk-nav__checkbox:checked ~ .stk-nav__toggle .stk-nav__toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .stk-nav__checkbox:checked ~ .stk-nav__toggle .stk-nav__toggle-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .stk-nav__link {
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .stk-nav__link--active {
    border-left-color: var(--stk-color-accent);
    background-color: rgba(20, 117, 225, 0.08);
  }

  .stk-nav__submenu {
    position: static;
    width: 100%;
    background-color: var(--stk-color-field);
    border: none;
    margin-top: 0.25rem;
    box-shadow: none;
    display: block;
  }

  .stk-footer__top {
    flex-direction: column;
    gap: 1.5rem;
  }
}