/* ═══════════════════════════════════════════
   NextMetro — Nav Component
   Sticky top bar, present on every page
═══════════════════════════════════════════ */

.nm-nav {
  display: flex;
  align-items: stretch;
  height: 56px;
  background: var(--nm-black);
  border-top: 3px solid var(--nm-amber);
  border-bottom: 1px solid var(--nm-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

/* 5px vertical strip of 6 line colors — left edge */
.nm-nav__strip {
  display: flex;
  flex-direction: column;
  width: 5px;
  flex-shrink: 0;
  align-self: stretch;
}
.nm-nav__strip span {
  flex: 1;
  display: block;
}
.nm-nav__strip span:nth-child(1) { background: var(--line-red); }
.nm-nav__strip span:nth-child(2) { background: var(--line-orange); }
.nm-nav__strip span:nth-child(3) { background: var(--line-silver); }
.nm-nav__strip span:nth-child(4) { background: var(--line-blue); }
.nm-nav__strip span:nth-child(5) { background: var(--line-yellow); }
.nm-nav__strip span:nth-child(6) { background: var(--line-green); }

/* Logo — NEXT block + divider + METRO text */
.nm-nav__logo {
  display: flex;
  align-items: stretch;
  text-decoration: none;
  flex-shrink: 0;
}

.nm-nav__logo-next {
  background: var(--nm-amber);
  display: flex;
  align-items: center;
  padding: 0 20px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nm-black);
  line-height: 1;
}

.nm-nav__logo-divider {
  width: 1px;
  background: rgba(232, 160, 32, 0.20);
  align-self: stretch;
}

.nm-nav__logo-metro {
  display: flex;
  align-items: center;
  padding: 0 20px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--nm-white);
  line-height: 1;
}

/* Nav links — right side, pushed by margin-left: auto */
.nm-nav__links {
  display: flex;
  align-items: stretch;
  margin-left: auto;
  margin-right: 236px; /* space for fixed search bar on desktop */
  border-left: 1px solid var(--nm-border);
}

@media (max-width: 768px) {
  .nm-nav__links {
    margin-right: 0;
    border-left: none;
  }
}

.nm-nav__link {
  display: flex;
  align-items: center;
  padding: 0 22px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--nm-gray);
  text-decoration: none;
  border-right: 1px solid var(--nm-border);
  transition: color 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.nm-nav__link:hover {
  color: var(--nm-white);
  background: var(--nm-surface);
}
.nm-nav__link--active {
  color: var(--nm-amber);
}
.nm-nav__link:focus-visible {
  outline: 2px solid var(--nm-amber);
  outline-offset: -2px;
}

/* ═══════════════════════════════════════════
   Station Search Bar
   Mobile: full-width below hero
   Desktop: fixed into nav bar area
═══════════════════════════════════════════ */

/* Mobile-first: full-width bar below hero */
.station-search {
  position: relative;
  padding: 12px 16px;
  background: var(--nm-black);
  border-bottom: 1px solid var(--nm-border);
}

.station-search__icon {
  position: absolute;
  left: 28px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--nm-gray);
  pointer-events: none;
  z-index: 1;
}

.station-search__input {
  width: 100%;
  height: 44px;
  padding: 0 16px 0 40px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--nm-white);
  background: var(--nm-surface);
  border: 1px solid var(--nm-border);
  outline: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.station-search__input::placeholder {
  color: var(--nm-gray);
}

.station-search__input:hover {
  border-color: var(--nm-border-strong);
}

.station-search__input:focus {
  border-color: var(--nm-amber);
  background: var(--nm-surface-elevated);
}

.station-search .station-dropdown {
  position: absolute;
  left: 16px;
  right: 16px;
  top: 100%;
  max-height: 280px;
  overflow-y: auto;
  background: var(--nm-surface);
  border: 1px solid var(--nm-border);
  border-top: none;
  list-style: none;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  display: none;
}

.station-search .station-dropdown.open {
  display: block;
}

.station-search .station-dropdown li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  min-height: 44px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--nm-white);
  cursor: pointer;
  transition: background-color 0.1s ease;
}

.station-search .station-dropdown li:hover,
.station-search .station-dropdown li.highlighted {
  background: var(--nm-surface-elevated);
}

.station-search .station-dropdown li.selected {
  background: rgba(212, 160, 60, 0.1);
}

/* Line color dots in search results */
.station-search .line-dots {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.station-search .line-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Desktop: dock into nav bar */
@media (min-width: 769px) {
  .station-search {
    position: fixed;
    top: 3px; /* below amber border-top */
    right: 0;
    width: auto;
    padding: 0 12px;
    height: 53px;
    display: flex;
    align-items: center;
    z-index: 101;
    border-bottom: none;
    border-left: 1px solid var(--nm-border);
  }

  .station-search__icon {
    left: 22px;
  }

  .station-search__input {
    width: 200px;
    height: 34px;
    padding: 0 12px 0 32px;
    font-size: 13px;
    letter-spacing: 0.04em;
  }

  .station-search .station-dropdown {
    left: 12px;
    right: 12px;
    max-height: 320px;
  }

  .station-search .station-dropdown li {
    padding: 10px 14px;
    min-height: 40px;
    font-size: 14px;
  }
}

/* Hamburger button — hidden on desktop, shown on mobile */
.nm-nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 0 18px;
  margin-left: auto;
  background: transparent;
  border: none;
  border-left: 1px solid var(--nm-border);
  cursor: pointer;
}
.nm-nav__hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--nm-gray);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nm-nav__hamburger:hover span {
  background: var(--nm-white);
}
.nm-nav__hamburger:focus-visible {
  outline: 2px solid var(--nm-amber);
  outline-offset: -2px;
}
/* Animate to X when open */
.nm-nav__hamburger.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nm-nav__hamburger.is-active span:nth-child(2) {
  opacity: 0;
}
.nm-nav__hamburger.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu dropdown — hidden by default */
.nm-mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--nm-black);
  border-bottom: 1px solid var(--nm-border);
}
.nm-mobile-menu.is-open {
  display: flex;
}
.mobile-menu-link {
  display: block;
  padding: 14px 24px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nm-gray);
  text-decoration: none;
  border-bottom: 1px solid var(--nm-border);
  transition: color 0.15s ease, background 0.15s ease;
}
.mobile-menu-link:hover {
  color: var(--nm-white);
  background: var(--nm-surface);
}
.mobile-menu-link--active {
  color: var(--nm-amber);
}
.mobile-menu-link:focus-visible {
  outline: 2px solid var(--nm-amber);
  outline-offset: -2px;
}

/* Mobile — hide text links, show hamburger at 768px */
@media (max-width: 768px) {
  .nm-nav__logo-next,
  .nm-nav__logo-metro {
    font-size: 20px;
    padding: 0 14px;
  }
  .nm-nav__link {
    display: none;
  }
  .nm-nav__hamburger {
    display: flex;
  }
}