/*
 * Cyber Crayon v3 — Layout: Nav, Search, Theme toggle
 */

.lc-nav,
.lc-hero--navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--lc-nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: var(--lc-border-brutal);
  box-shadow: var(--lc-hard-shadow-sm);
  transition: background var(--lc-transition);
}

.lc-nav.has-glass,
.lc-hero--navbar.has-glass {
  background: var(--lc-nav-bg);
}

.lc-nav__inner,
.lc-hero__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--lc-max);
  margin-inline: auto;
  padding: var(--lc-navbar-padding) var(--lc-gutter);
  min-height: var(--lc-navbar-h);
}

.lc-nav__brand,
.lc-hero__profile {
  display: flex;
  align-items: center;
  gap: 0.125rem;
  text-decoration: none;
  color: var(--lc-on-surface);
  flex-shrink: 0;
}

.lc-nav__brand-dot {
  color: var(--lc-neon-pink);
  font-family: var(--lc-font-display);
  font-size: var(--lc-text-headline-md);
  font-weight: 800;
  line-height: 1;
}

.lc-nav__brand-name,
.lc-hero__name {
  font-family: var(--lc-font-display);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0;
  color: inherit;
}

.lc-nav__menu,
.lc-hero__nav {
  display: none;
}

@media (min-width: 768px) {
  .lc-nav__menu,
  .lc-hero__nav {
    display: block;
  }
}

.lc-nav__list,
.lc-hero__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.lc-nav__list a,
.lc-hero__menu a {
  font-family: var(--lc-font-body);
  font-size: var(--lc-text-label-md);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--lc-on-surface-variant);
  text-decoration: none;
  padding-bottom: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: color var(--lc-transition), border-color var(--lc-transition);
}

.lc-nav__list a:hover,
.lc-hero__menu a:hover,
.lc-nav__list .current-menu-item > a,
.lc-hero__menu .current-menu-item > a,
.lc-nav__list .current_page_item > a,
.lc-hero__menu .current_page_item > a {
  color: var(--lc-primary);
  border-bottom-color: var(--lc-primary);
}

html[data-lc-color-scheme="dark"] .lc-nav__list .current-menu-item > a,
html[data-lc-color-scheme="dark"] .lc-hero__menu .current-menu-item > a {
  color: var(--lc-cyber-lime);
  border-bottom-color: var(--lc-cyber-lime);
}

.lc-nav__actions,
.lc-hero__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lc-nav__icon-btn,
.lc-hero__search-toggle,
.lc-hero__theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--lc-on-surface);
  cursor: var(--lc-cursor-default);
  border-radius: var(--lc-radius);
  transition: background var(--lc-transition), transform var(--lc-transition);
}

.lc-nav__icon-btn:hover,
.lc-hero__search-toggle:hover,
.lc-hero__theme-toggle:hover {
  background: var(--lc-surface-container);
}

.lc-nav__icon-btn:active,
.lc-hero__theme-toggle:active {
  transform: translate(2px, 2px);
}

.lc-hero__theme-icon--moon {
  display: none;
}

html[data-lc-color-scheme="dark"] .lc-hero__theme-icon--sun {
  display: none;
}

html[data-lc-color-scheme="dark"] .lc-hero__theme-icon--moon {
  display: inline-block;
}

.lc-nav__menu-btn,
.lc-hero__menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0.5rem;
  border: var(--lc-border-brutal);
  background: var(--lc-surface-container-low);
  cursor: var(--lc-cursor-default);
}

@media (min-width: 768px) {
  .lc-nav__menu-btn,
  .lc-hero__menu-toggle {
    display: none;
  }
}

.lc-hero__menu-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--lc-on-surface);
  transition: transform var(--lc-transition), opacity var(--lc-transition);
}

.lc-hero__menu-toggle.is-active .lc-hero__menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.lc-hero__menu-toggle.is-active .lc-hero__menu-bar:nth-child(2) {
  opacity: 0;
}

.lc-hero__menu-toggle.is-active .lc-hero__menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Search */
.lc-search-inline {
  display: none;
}

.lc-search-inline.is-open {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 0, 0, 0.5);
  padding: calc(var(--lc-navbar-h) + 1rem) var(--lc-gutter) 1rem;
}

.lc-search-inline__container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: var(--lc-max);
  margin-inline: auto;
  padding: 0.5rem 0.75rem;
  background: var(--lc-surface-container-low);
}

@media (min-width: 640px) {
  .lc-search-inline {
    display: block;
    position: static;
    background: none;
    padding: 0;
  }

  .lc-search-inline.is-open {
    position: static;
    background: none;
    padding: 0;
  }

  .lc-hero__search-toggle {
    display: none;
  }

  .lc-search-inline__close {
    display: none;
  }
}

.lc-search-inline__input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  font-family: var(--lc-font-body);
  font-size: 0.875rem;
  color: var(--lc-on-surface);
  outline: none;
}

.lc-search-inline__input::placeholder {
  color: var(--lc-on-surface-variant);
}

.lc-search-inline__kbd {
  display: none;
  font-family: var(--lc-font-body);
  font-size: 0.625rem;
  font-weight: 700;
  padding: 0.125rem 0.375rem;
  background: var(--lc-ink-black);
  color: #fff;
  border-radius: var(--lc-radius-sm);
}

@media (min-width: 640px) {
  .lc-search-inline__kbd {
    display: inline-block;
  }

  .lc-search-inline__input {
    width: 8rem;
  }
}

.lc-search-inline__close {
  border: none;
  background: none;
  padding: 0;
  cursor: var(--lc-cursor-default);
  color: var(--lc-on-surface);
}

.lc-hero__actions.is-search-open .lc-hero__search-toggle {
  display: none;
}

@media (max-width: 639px) {
  .lc-search-inline__container {
    background: var(--lc-surface-container-lowest);
  }
}