/* --- DESIGN TOKENS --- */
:root {
  --color-dark: #15101f;
  --color-bright: #f5f2fb;
  --color-accent: #8b3ffb;
  --color-accent-glow: rgba(139, 63, 251, 0.4);
  --color-accent-hover: #a261ff;
  --color-bg: #1a1424;
  --color-text: #ece7f5;
  --color-muted: #a598bd;
  --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --font-heading: 'Segoe UI', system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;
  --radius: 0.65rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --header-height: 72px;
}

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

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* --- HEADER CHROME --- */
.tn-header {
  background-color: var(--color-dark);
  border-bottom: 1px solid rgba(139, 63, 251, 0.15);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.tn-header.tn-header--scrolled {
  background-color: rgba(21, 16, 31, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
  border-bottom-color: rgba(139, 63, 251, 0.3);
}

.tn-header-container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto; 
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

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

.tn-header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.tn-header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.tn-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* --- LOGO --- */
.tn-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-text);
  gap: 0.5rem;
  transition: var(--transition);
}

.tn-logo img {
  max-height: 40px;
  width: auto;
  border-radius: calc(var(--radius) / 2);
}

.tn-logo:hover {
  opacity: 0.9;
  filter: drop-shadow(0 0 8px var(--color-accent));
}

/* --- CTA BUTTONS --- */
.tn-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
  cursor: pointer;
  white-space: nowrap;
}

.tn-cta--primary {
  background-color: var(--color-accent);
  color: var(--color-bright);
  border: 1px solid var(--color-accent);
  box-shadow: 0 4px 15px var(--color-accent-glow);
}

.tn-cta--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(139, 63, 251, 0.6);
}

.tn-cta--secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid rgba(139, 63, 251, 0.4);
}

.tn-cta--secondary:hover {
  background-color: rgba(139, 63, 251, 0.1);
  border-color: var(--color-accent);
  color: var(--color-bright);
  transform: translateY(-2px);
}

/* --- LANGUAGE SWITCHER --- */
.tn-lang {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.25rem;
  border-radius: calc(var(--radius) / 2);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.tn-lang__item {
  display: block;
}

.tn-lang__link {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-muted);
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: calc(var(--radius) / 3);
  transition: var(--transition);
}

.tn-lang__link:hover {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.tn-lang__link--active {
  color: var(--color-bright);
  background: var(--color-accent);
}

/* --- PERSISTENT BURGER & DRAWER NAVIGATION (collapse_menu_to_burger = true) --- */
.tn-nav {
  position: relative;
}

.tn-nav__checkbox {
  display: none !important;
}

.tn-nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 44px;
  height: 44px;
  padding: 13px 10px;
  background: rgba(139, 63, 251, 0.1);
  border: 1px solid rgba(139, 63, 251, 0.25);
  border-radius: calc(var(--radius) / 2);
  cursor: pointer;
  z-index: 1001;
  position: relative;
  transition: var(--transition);
}

.tn-nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s, background-color 0.3s;
}

.tn-nav__toggle:hover {
  background: rgba(139, 63, 251, 0.2);
  border-color: var(--color-accent);
}

.tn-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  position: fixed;
  top: 0;
  right: -340px;
  width: 320px;
  max-width: 85vw;
  height: 100vh;
  background-color: var(--color-dark);
  border-left: 1px solid rgba(139, 63, 251, 0.2);
  padding: calc(var(--header-height) + 2rem) 1.5rem 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 1000;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
}

/* Show drawer and animate toggle bars when checkbox is checked */
.tn-nav__checkbox:checked ~ .tn-nav__list {
  right: 0;
}

.tn-nav__checkbox:checked ~ .tn-nav__toggle .tn-nav__toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
  background-color: var(--color-bright);
}

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

.tn-nav__checkbox:checked ~ .tn-nav__toggle .tn-nav__toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  background-color: var(--color-bright);
}

/* CSS Back-drop overlay */
.tn-nav__checkbox:checked ~ .tn-nav__toggle::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(10, 8, 20, 0.8);
  backdrop-filter: blur(4px);
  z-index: -1;
  cursor: default;
}

/* Navigation items inside drawer */
.tn-nav__item {
  position: relative;
  width: 100%;
}

.tn-nav__link {
  display: flex;
  align-items: center;
  padding: 0.8rem 1rem;
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border-radius: var(--radius);
  transition: var(--transition);
}

.tn-nav__link:hover {
  background: rgba(139, 63, 251, 0.08);
  color: var(--color-bright);
  padding-left: 1.25rem;
}

.tn-nav__link--active {
  background: linear-gradient(90deg, rgba(139, 63, 251, 0.2) 0%, rgba(139, 63, 251, 0) 100%);
  border-left: 3px solid var(--color-accent);
  color: var(--color-bright);
}

/* Submenu inside Drawer */
.tn-nav__item--has-children > .tn-nav__link::after {
  content: "▾";
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--color-muted);
  transition: transform 0.2s;
}

.tn-nav__item--has-children:hover > .tn-nav__link::after {
  transform: rotate(180deg);
  color: var(--color-accent);
}

.tn-nav__submenu {
  list-style: none;
  margin: 0;
  padding: 0.25rem 0 0.5rem 1rem;
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  border-left: 1px dashed rgba(139, 63, 251, 0.25);
  margin-left: 1rem;
}

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

.tn-nav__submenu .tn-nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-muted);
}

.tn-nav__submenu .tn-nav__link:hover {
  color: var(--color-bright);
  background: transparent;
}

/* --- BREADCRUMBS --- */
.tn-breadcrumbs {
  background-color: rgba(21, 16, 31, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding: 0.75rem 1.5rem;
}

.tn-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0 auto;
  padding: 0;
  max-width: 1400px;
  font-size: 0.8rem;
  gap: 0.5rem;
}

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

.tn-breadcrumbs__item:not(:last-child)::after {
  content: "/";
  margin-left: 0.5rem;
  color: rgba(255, 255, 255, 0.12);
}

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

.tn-breadcrumbs__link:hover {
  color: var(--color-accent);
}

.tn-breadcrumbs__item[aria-current="page"] {
  color: var(--color-bright);
  font-weight: 500;
}

/* --- FOOTER --- */
.tn-footer {
  background-color: var(--color-dark);
  border-top: 1px solid rgba(139, 63, 251, 0.15);
  color: var(--color-text);
  padding: 4rem 1.5rem 2.5rem 1.5rem;
  position: relative;
}

.tn-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 1px;
  background: linear-gradient(90deg, rgba(139,63,251,0) 0%, rgba(139,63,251,0.4) 50%, rgba(139,63,251,0) 100%);
}

.tn-footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.tn-footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.tn-footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tn-footer-tagline {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0;
}

.tn-footer-ctas {
  display: flex;
  gap: 1rem;
}

.tn-footer-middle {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.tn-footer-navigation {
  display: flex;
  justify-content: center;
}

.tn-footer-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.5rem 2rem;
}

.tn-footer-nav__item {
  display: block;
}

.tn-footer-nav__link {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
  font-weight: 500;
}

.tn-footer-nav__link:hover {
  color: var(--color-accent);
  text-shadow: 0 0 8px rgba(139, 63, 251, 0.4);
}

.tn-footer-separator {
  border: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.05);
  margin: 0;
}

.tn-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--color-muted);
}

.tn-footer-copy {
  margin: 0;
}

/* --- MEDIA RESPONSIVENESS --- */
@media (max-width: 768px) {
  .tn-header-actions .tn-cta-group {
    gap: 0.5rem;
  }
  .tn-header-actions .tn-cta--secondary {
    display: none;
  }
  .tn-footer-top {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }
  .tn-footer-brand {
    align-items: center;
  }
  .tn-footer-ctas {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .tn-header-actions .tn-lang {
    display: none; 
  }
}