:root {
  --tn-color-dark: #0C0E26;
  --tn-color-bright: #FFFFFF;
  --tn-color-accent: #F51F4B;
  --tn-color-bg: #12152E;
  --tn-color-text: #F5F6FA;
  --tn-color-muted: #A5ABC0;
  --tn-color-surface: #171B38;
  --tn-color-surface-2: #1D2244;
  --tn-color-border: rgba(245, 246, 250, 0.12);
  --tn-color-border-strong: rgba(245, 246, 250, 0.2);
  --tn-color-shadow: rgba(0, 0, 0, 0.28);
  --tn-color-accent-strong: #ff2d5f;
  --tn-color-accent-soft: rgba(245, 31, 75, 0.18);
  --tn-font-body: Inter, Roboto, Arial, sans-serif;
  --tn-font-heading: "Roboto Condensed", "Arial Narrow", Arial, sans-serif;
  --tn-radius: 0.5rem;
  --tn-radius-sm: 0.375rem;
  --tn-radius-pill: 999px;
  --tn-shadow-1: 0 0.5rem 1.5rem var(--tn-color-shadow);
  --tn-max-width: 80rem;
  --tn-header-height: 4.25rem;
  --tn-space-1: 0.25rem;
  --tn-space-2: 0.5rem;
  --tn-space-3: 0.75rem;
  --tn-space-4: 1rem;
  --tn-space-5: 1.25rem;
  --tn-space-6: 1.5rem;
  --tn-space-8: 2rem;
  --tn-space-10: 2.5rem;
  --tn-transition: 180ms ease;
}

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

body {
  margin: 0;
  font-family: var(--tn-font-body);
  color: var(--tn-color-text);
  background: linear-gradient(180deg, var(--tn-color-dark) 0%, var(--tn-color-bg) 100%);
}

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

.tn-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(12, 14, 38, 0.96);
  border-bottom: 1px solid var(--tn-color-border);
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(10px);
}

.tn-header__inner,
.tn-footer__inner,
.tn-breadcrumbs {
  width: min(100% - 2rem, var(--tn-max-width));
  margin-inline: auto;
}

.tn-header__inner {
  min-height: var(--tn-header-height);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--tn-space-4);
  padding-block: var(--tn-space-3);
}

.tn-logo {
  display: inline-flex;
  align-items: center;
  max-width: 11rem;
}

a.tn-logo {
  text-decoration: none;
}

img.tn-logo,
.tn-logo img {
  display: block;
  max-height: 2.5rem;
  width: auto;
}

.tn-nav__toggle {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
  white-space: nowrap;
}

.tn-header__menu-button {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.25rem;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--tn-color-border-strong);
  border-radius: var(--tn-radius-sm);
  background: var(--tn-color-surface);
  cursor: pointer;
  justify-self: end;
  padding-inline: 0.7rem;
}

.tn-header__menu-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--tn-color-bright);
  border-radius: var(--tn-radius-pill);
  transition: transform var(--tn-transition), opacity var(--tn-transition);
}

.tn-header__panel {
  grid-column: 1 / -1;
  display: none;
  padding-top: var(--tn-space-3);
  gap: var(--tn-space-4);
}

.tn-nav__toggle:checked ~ .tn-header__menu-button .tn-header__menu-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.tn-nav__toggle:checked ~ .tn-header__menu-button .tn-header__menu-line:nth-child(2) {
  opacity: 0;
}

.tn-nav__toggle:checked ~ .tn-header__menu-button .tn-header__menu-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.tn-nav__toggle:checked ~ .tn-header__panel {
  display: grid;
}

.tn-nav {
  min-width: 0;
}

.tn-nav__list,
.tn-nav__submenu,
.tn-lang {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tn-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--tn-space-2);
}

.tn-nav__item {
  position: relative;
}

.tn-nav__link,
.tn-lang__link,
.tn-cta {
  min-height: 2.75rem;
}

.tn-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--tn-space-2);
  padding: 0.75rem 0.9rem;
  border: 1px solid transparent;
  border-radius: var(--tn-radius-sm);
  color: var(--tn-color-text);
  text-decoration: none;
  background: transparent;
  transition: background-color var(--tn-transition), border-color var(--tn-transition), color var(--tn-transition);
}

.tn-nav__link:hover,
.tn-nav__link:focus-visible {
  background: var(--tn-color-surface);
  border-color: var(--tn-color-border);
  outline: none;
}

.tn-nav__link--active {
  color: var(--tn-color-bright);
  background: linear-gradient(180deg, rgba(245, 31, 75, 0.18), rgba(245, 31, 75, 0.08));
  border-color: rgba(245, 31, 75, 0.45);
  box-shadow: inset 0 0 0 1px rgba(245, 31, 75, 0.14);
}

.tn-nav__item--has-children > .tn-nav__submenu {
  display: none;
  padding-top: var(--tn-space-2);
  padding-left: var(--tn-space-3);
}

.tn-nav__item--has-children:hover > .tn-nav__submenu,
.tn-nav__item--has-children:focus-within > .tn-nav__submenu {
  display: block;
}

.tn-nav__submenu .tn-nav__link {
  background: var(--tn-color-surface);
  border-color: var(--tn-color-border);
}

.tn-header__actions {
  display: grid;
  gap: var(--tn-space-4);
}

.tn-lang {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tn-space-2);
}

.tn-lang__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 0.85rem;
  border-radius: var(--tn-radius-sm);
  border: 1px solid var(--tn-color-border);
  color: var(--tn-color-muted);
  text-decoration: none;
  background: var(--tn-color-surface);
  transition: border-color var(--tn-transition), color var(--tn-transition), background-color var(--tn-transition);
}

.tn-lang__link:hover,
.tn-lang__link:focus-visible,
.tn-lang__link--active {
  color: var(--tn-color-bright);
  border-color: rgba(245, 31, 75, 0.45);
  background: rgba(245, 31, 75, 0.12);
  outline: none;
}

.tn-header__cta-group,
.tn-footer__cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--tn-space-3);
}

.tn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border-radius: var(--tn-radius-sm);
  border: 1px solid transparent;
  font-family: var(--tn-font-heading);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform var(--tn-transition), box-shadow var(--tn-transition), background-color var(--tn-transition), border-color var(--tn-transition), color var(--tn-transition);
}

.tn-cta:hover,
.tn-cta:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.tn-cta--primary {
  color: var(--tn-color-bright);
  background: linear-gradient(180deg, var(--tn-color-accent-strong) 0%, var(--tn-color-accent) 100%);
  box-shadow: 0 0.75rem 1.5rem rgba(245, 31, 75, 0.28);
}

.tn-cta--secondary {
  color: var(--tn-color-bright);
  background: var(--tn-color-surface-2);
  border-color: var(--tn-color-border-strong);
}

.tn-footer {
  margin-top: var(--tn-space-10);
  border-top: 1px solid var(--tn-color-border);
  background: var(--tn-color-dark);
}

.tn-footer__inner {
  display: flex;
  flex-direction: column;
  gap: var(--tn-space-5);
  padding-block: var(--tn-space-6);
}

.tn-footer__brand {
  display: flex;
  align-items: center;
}

.tn-breadcrumbs {
  display: block;
  padding-block: var(--tn-space-3);
}

.tn-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tn-breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  color: var(--tn-color-muted);
  min-width: 0;
}

.tn-breadcrumbs__item + .tn-breadcrumbs__item::before {
  content: "/";
  margin-right: 0.5rem;
  color: rgba(165, 171, 192, 0.7);
}

.tn-breadcrumbs__link {
  color: var(--tn-color-muted);
  text-decoration: none;
  transition: color var(--tn-transition);
}

.tn-breadcrumbs__link:hover,
.tn-breadcrumbs__link:focus-visible {
  color: var(--tn-color-bright);
  outline: none;
}

@media (min-width: 48rem) {
  .tn-header__inner {
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--tn-space-5);
  }

  .tn-header__menu-button {
    display: none;
  }

  .tn-header__panel {
    grid-column: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding-top: 0;
  }

  .tn-nav__list {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--tn-space-1);
  }

  .tn-nav__item--has-children > .tn-nav__submenu {
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 14rem;
    padding: var(--tn-space-2);
    background: var(--tn-color-surface-2);
    border: 1px solid var(--tn-color-border);
    border-radius: var(--tn-radius);
    box-shadow: var(--tn-shadow-1);
    z-index: 20;
  }

  .tn-header__actions {
    grid-template-columns: auto auto;
    align-items: center;
    justify-content: end;
  }

  .tn-footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 80rem) {
  .tn-header__inner,
  .tn-footer__inner,
  .tn-breadcrumbs {
    width: min(100% - 3rem, var(--tn-max-width));
  }

  .tn-nav__link {
    padding-inline: 1rem;
  }
}