.skynav-bar, .skynav-appbar, .skynav-guidebar,
.skynav-logo, .skynav-navlink, .skynav-applink, .skynav-langbtn,
.skynav-guidelabel, .skynav-guidelink, .skynav-back,
.skynav-chevron, .skynav-dropitem {
  box-sizing: border-box;
  font-family: 'JetBrains Mono', 'Fira Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

.skynav-bar {
  display: flex;
  align-items: center;
  background: rgba(10,13,18,0.97);
  border-bottom: 1px solid #1a2535;
  padding: 0 20px;
  height: 48px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.skynav-appbar {
  display: flex;
  align-items: center;
  background: rgba(10,13,18,0.97);
  border-bottom: 1px solid #1a2535;
  padding: 0 20px;
  height: 48px;
  position: sticky;
  top: 0;
  z-index: 100;
  gap: 16px;
}

.skynav-logo {
  color: #00e5ff;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.05em;
  margin-right: 28px;
  white-space: nowrap;
  text-decoration: none;
}
.skynav-logo:hover { color: #7fecff; }

.skynav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.skynav-links::-webkit-scrollbar { display: none; }

.skynav-navlink {
  padding: 4px 11px;
  border-radius: 3px;
  cursor: pointer;
  color: #8a9bb0;
  background: transparent;
  border-bottom: 2px solid transparent;
  font-size: 12.5px;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  user-select: none;
  text-decoration: none;
}
.skynav-navlink:hover { color: #c0d0e0; }
.skynav-navlink.is-active {
  color: #00e5ff;
  background: rgba(0,229,255,0.08);
  border-bottom-color: #00e5ff;
}

.skynav-applink {
  padding: 4px 12px;
  border-radius: 3px;
  cursor: pointer;
  color: #b89a30;
  background: transparent;
  border: 1px solid #3a2d0a;
  font-size: 12.5px;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  user-select: none;
  text-decoration: none;
  margin-left: 4px;
}
.skynav-applink:hover,
.skynav-applink.is-active {
  color: #ffd740;
  border-color: #ffd740;
  background: rgba(255,215,64,0.10);
}

.skynav-langbar {
  display: flex;
  gap: 4px;
  margin-left: auto;
  padding-left: 16px;
}

.skynav-langbtn {
  padding: 3px 9px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  background: transparent;
  color: #4a6070;
  border: 1px solid #1a2535;
  transition: all 0.15s;
  user-select: none;
}
.skynav-langbtn:hover { color: #8a9bb0; border-color: #3a5a70; }
.skynav-langbtn.is-active {
  background: #00e5ff;
  color: #0a0d12;
  border-color: #00e5ff;
}

.skynav-guidebar {
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(0,229,255,0.03);
  border-bottom: 1px solid #0d2030;
  padding: 0 20px;
  height: 38px;
  overflow-x: auto;
  position: sticky;
  top: 48px;
  z-index: 99;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.skynav-guidebar::-webkit-scrollbar { display: none; }

.skynav-guidelabel {
  color: #2a4a60;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-right: 12px;
  white-space: nowrap;
}

.skynav-guidelink {
  padding: 3px 10px;
  border-radius: 3px;
  cursor: pointer;
  color: #3a5a70;
  background: transparent;
  font-size: 11.5px;
  white-space: nowrap;
  transition: all 0.15s;
  user-select: none;
  text-transform: capitalize;
  text-decoration: none;
}
.skynav-guidelink:hover {
  color: #00e5ff;
  background: rgba(0,229,255,0.07);
}

.skynav-back {
  color: #00e5ff;
  font-size: 12.5px;
  cursor: pointer;
  opacity: 0.8;
  text-decoration: none;
}
.skynav-back:hover { opacity: 1; }

/* ── Guide dropdown ──────────────────────────────────────────────── */

.skynav-guidewrap {
  position: relative;
  display: flex;
  align-items: center;
}

.skynav-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 24px;
  padding: 0;
  margin-left: 1px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #8a9bb0;
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
  flex-shrink: 0;
}
.skynav-chevron:hover { color: #c0d0e0; background: rgba(255,255,255,0.05); }
.skynav-chevron:focus-visible {
  outline: 2px solid #00e5ff;
  outline-offset: 1px;
}
.skynav-chevron svg {
  transition: transform 0.15s ease;
}
.nav-dropdown--open .skynav-chevron {
  color: #00e5ff;
}
.nav-dropdown--open .skynav-chevron svg {
  transform: rotate(180deg);
}

.skynav-dropdown {
  position: fixed;
  top: 0;
  left: 0;
  min-width: 164px;
  background: rgba(10,13,18,0.98);
  border: 1px solid #1a2535;
  border-radius: 3px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.55);
  list-style: none;
  margin: 0;
  padding: 4px 0;
  z-index: 200;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.nav-dropdown--open .skynav-dropdown {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.skynav-dropitem {
  display: block;
  width: 100%;
  padding: 10px 14px;
  color: #8a9bb0;
  font-size: 12px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s, background 0.15s;
  box-sizing: border-box;
}
.skynav-dropitem:hover {
  color: #00e5ff;
  background: rgba(0,229,255,0.08);
}
.skynav-dropitem:focus-visible {
  outline: 2px solid #00e5ff;
  outline-offset: -2px;
  color: #00e5ff;
  background: rgba(0,229,255,0.05);
}

@media (prefers-reduced-motion: reduce) {
  .skynav-dropdown,
  .skynav-chevron svg {
    transition: opacity 0.15s ease;
    transform: none !important;
  }
}

/* ── Scroll offset so anchor targets don't hide under the sticky nav */
[id] { scroll-margin-top: 64px; }

@media (max-width: 720px) {
  .skynav-bar, .skynav-appbar { padding: 0 12px; height: 44px; }
  .skynav-logo { margin-right: 14px; font-size: 13px; }
  .skynav-langbar { padding-left: 8px; }
  .skynav-guidebar { padding: 0 12px; height: 34px; top: 44px; }
  [id] { scroll-margin-top: 58px; }
}

/* ── Hamburger button ───────────────────────────────────────────────── */

.nav-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #8a9bb0;
  border-radius: 3px;
  margin-left: 8px;
  flex-shrink: 0;
  transition: color 0.15s;
}
.nav-hamburger:hover { color: #00e5ff; }
.nav-hamburger:focus-visible { outline: 2px solid #00e5ff; outline-offset: 1px; }

.nav-hamburger__bars {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 14px;
  pointer-events: none;
}
.nav-hamburger__bars span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.22s ease, opacity 0.22s ease;
}
.nav-hamburger[aria-expanded="true"] .nav-hamburger__bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-hamburger[aria-expanded="true"] .nav-hamburger__bars span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-hamburger[aria-expanded="true"] .nav-hamburger__bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ── Mobile overlay ─────────────────────────────────────────────────── */

.nav-mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  justify-content: flex-end;
}
.nav-mobile-overlay--visible {
  display: flex;
}

.nav-mobile-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.nav-mobile-overlay--open .nav-mobile-overlay__backdrop {
  opacity: 1;
}

.nav-mobile-overlay__panel {
  position: relative;
  width: min(320px, 85vw);
  height: 100%;
  background: rgba(10, 13, 18, 0.99);
  border-left: 1px solid #1a2535;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateX(100%);
  transition: transform 0.25s ease;
}
.nav-mobile-overlay--open .nav-mobile-overlay__panel {
  transform: translateX(0);
}

.nav-mobile-overlay__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 52px;
  border-bottom: 1px solid #1a2535;
  flex-shrink: 0;
}
.nav-mobile-overlay__logo {
  font-family: 'JetBrains Mono', 'Fira Mono', ui-monospace, SFMono-Regular, monospace;
  font-weight: 700;
  font-size: 15px;
  color: #00e5ff;
  letter-spacing: 0.05em;
}
.nav-mobile-overlay__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: #8a9bb0;
  border-radius: 3px;
  transition: color 0.15s;
  flex-shrink: 0;
}
.nav-mobile-overlay__close:hover { color: #00e5ff; }
.nav-mobile-overlay__close:focus-visible { outline: 2px solid #00e5ff; outline-offset: 1px; }

.nav-mobile-overlay__items {
  list-style: none;
  margin: 0;
  padding: 8px 0;
  flex: 1;
}

.nav-mob-item {
  display: block;
}

.nav-mob-link,
.nav-mob-applink {
  display: flex;
  align-items: center;
  padding: 0 20px;
  min-height: 48px;
  font-family: 'JetBrains Mono', 'Fira Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 13px;
  color: #8a9bb0;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}
.nav-mob-link:hover {
  color: #c0d0e0;
  background: rgba(255, 255, 255, 0.03);
}
.nav-mob-link.is-active {
  color: #00e5ff;
  background: rgba(0, 229, 255, 0.06);
  border-left-color: #00e5ff;
}
.nav-mob-applink {
  color: #b89a30;
}
.nav-mob-applink:hover,
.nav-mob-applink.is-active {
  color: #ffd740;
  background: rgba(255, 215, 64, 0.06);
  border-left-color: #ffd740;
}

.nav-mob-subs {
  list-style: none;
  margin: 0;
  padding: 0 0 8px 0;
}
.nav-mob-sublink {
  display: flex;
  align-items: center;
  padding: 0 20px 0 36px;
  min-height: 40px;
  font-family: 'JetBrains Mono', 'Fira Mono', ui-monospace, SFMono-Regular, monospace;
  font-size: 11.5px;
  color: #3a5a70;
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s;
}
.nav-mob-sublink:hover { color: #00e5ff; }
.nav-mob-sublink.is-active { color: #00e5ff; border-left-color: #00e5ff; }

.nav-mobile-overlay__footer {
  padding: 16px 20px;
  border-top: 1px solid #1a2535;
  flex-shrink: 0;
}
.nav-mob-langbar {
  display: flex;
  gap: 6px;
}

/* ── Breakpoints ────────────────────────────────────────────────────── */

@media (max-width: 767px) {
  .skynav-links { display: none; }
  /* hide langbar only inside main nav (hamburger contains it); keep it on the app bar */
  .skynav-bar .skynav-langbar { display: none; }
  .nav-hamburger { display: inline-flex; }
  /* shrink app-bar items so logo + back + langbar fit */
  .skynav-appbar .skynav-logo { margin-right: 10px; font-size: 12px; }
  .skynav-appbar .skynav-back { font-size: 11.5px; }
  .skynav-appbar .skynav-langbtn { padding: 3px 7px; font-size: 10.5px; }
}

@media (min-width: 768px) {
  .nav-hamburger { display: none !important; }
  .nav-mobile-overlay { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  .nav-mobile-overlay__panel,
  .nav-mobile-overlay__backdrop,
  .nav-hamburger__bars span {
    transition: none !important;
  }
}