/**
 * nav.css
 *
 * Site header, primary navigation, mobile menu, ticker bars.
 * Loaded on every page.
 *
 * @package BeatTheFish
 * @since   2.1.0
 */

/* ── Site Header ──────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}

.is-scrolled .site-nav {
  box-shadow: 0 2px 16px rgba(28, 24, 20, 0.08);
}

.site-nav {
  background: rgba(244, 239, 230, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--rule);
  padding: 0 var(--gutter);
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Logo ─────────────────────────────────────────────────────── */

.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-logo img { height: 28px; width: auto; }

.nav-logo-text {
  font-family: 'Instrument Serif', serif;
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--felt);
  letter-spacing: -0.01em;
}

/* ── Desktop Links ────────────────────────────────────────────── */

.nav-links {
  display: none;
  gap: 32px;
  align-items: center;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink3);
  transition: color 0.15s;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active,
.nav-links a[aria-current="page"] {
  color: var(--felt);
}

.nav-links a:focus-visible {
  color: var(--felt);
  outline: 2px solid var(--felt);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ── Desktop Dropdown ─────────────────────────────────────────── */

.nav-links > li {
  position: relative;
}

.nav-links .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(28, 24, 20, 0.1);
  padding: 8px 0;
  min-width: 180px;
  list-style: none;
  z-index: 110;
}

.nav-links > li:hover > .sub-menu {
  display: block;
}

.nav-links .sub-menu li a {
  display: block;
  padding: 8px 18px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink3);
  white-space: nowrap;
}

.nav-links .sub-menu li a:hover {
  background: var(--bg2);
  color: var(--felt);
}

/* Invisible bridge so hover doesn't break between link and dropdown */
.nav-links > li::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 8px;
}

/* ── Mobile Sub-menu (accordion) ─────────────────────────────── */

.nav-mobile-links .menu-item-has-children {
  display: flex;
  flex-wrap: wrap;
}

.nav-mobile-links .menu-item-has-children > a {
  flex: 1;
  min-width: 0;
}

.mobile-submenu-toggle {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  border-left: 1px solid var(--rule);
  cursor: pointer;
  padding: 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  transition: background 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.nav-mobile-links .menu-item-has-children > .sub-menu {
  width: 100%;
}

.mobile-submenu-toggle:hover {
  background: var(--bg2);
}

.mobile-submenu-toggle svg {
  width: 16px;
  height: 16px;
  color: var(--ink3);
  stroke: var(--ink3);
  transition: transform 0.25s ease;
}

.mobile-submenu-toggle.is-open svg {
  transform: rotate(180deg);
}

.nav-mobile-links .sub-menu {
  list-style: none;
  display: none;
  flex-direction: column;
  margin: 0;
  padding: 4px 0 8px;
  border-left: 2px solid var(--felt3);
  margin-left: 18px;
}

.nav-mobile-links .sub-menu.is-open {
  display: flex;
}

.nav-mobile-links .sub-menu li a {
  font-size: 0.92rem;
  font-weight: 400;
  color: var(--ink3);
  padding: 9px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-mobile-links .sub-menu li a:hover {
  background: var(--bg2);
  color: var(--felt);
}

/* ── Hamburger (mobile) ───────────────────────────────────────── */

.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 6px;
  margin-left: auto;
  transition: background 0.15s;
}

.nav-hamburger:hover { background: var(--bg2); }

.nav-hamburger:focus-visible {
  outline: 2px solid var(--felt);
  outline-offset: 2px;
}

.nav-mobile-links a:focus-visible {
  color: var(--felt);
  outline: 2px solid var(--felt);
  outline-offset: 2px;
  border-radius: 2px;
}

.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink2);
  border-radius: 1px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ── Mobile Menu ──────────────────────────────────────────────── */

.nav-mobile {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg);
  z-index: 199;
  padding: 16px 24px 24px;
  overflow-y: auto;
  max-height: calc(100dvh - 64px);
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  transform: translateY(-10px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.25s ease, opacity 0.2s ease, visibility 0s 0.25s;
}

.nav-mobile.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform 0.25s ease, opacity 0.2s ease, visibility 0s;
}

.nav-mobile-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-mobile-links li a {
  display: block;
  padding: 12px 16px;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--ink2);
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}

.nav-mobile-links li a:hover {
  background: var(--bg2);
  color: var(--felt);
}

.nav-footer {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}

.nav-disclaimer {
  font-size: 0.78rem;
  color: var(--ink4);
  line-height: 1.5;
}

/* ── Ticker Bar ───────────────────────────────────────────────── */
/* @keyframes ticker defined in base.css */

.ticker-bar {
  background: var(--felt2);
  border-bottom: 1px solid var(--on-dark-rule);
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 8px 0;
  overflow-y: hidden;
}

.ticker-track {
  display: flex;
  white-space: nowrap;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--on-dark-muted);
  padding: 0 28px;
}

.ticker-item strong { color: rgba(244, 239, 230, 0.85); font-weight: 600; }
.ticker-item .dot   { color: var(--felt3); }

/* ── Offshore Ticker ──────────────────────────────────────────── */

.offshore-ticker-bar {
  background: var(--felt2);
  border-bottom: 1px solid var(--on-dark-rule);
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 8px 0;
}

.offshore-ticker-inner {
  display: flex;
  align-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--on-dark-muted);
}

.offshore-ticker-short { display: inline; }
.offshore-ticker-full  { display: none; }

.offshore-tooltip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  min-width: 18px;
  min-height: 18px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  font-size: 0.65rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  border: none;
  cursor: pointer;
  margin-left: 0;
  line-height: 1;
  padding: 0;
  vertical-align: middle;
}

.offshore-tooltip {
  position: fixed;
  top: 100px;
  left: 16px;
  right: 16px;
  background: var(--surface);
  color: var(--ink3);
  font-family: 'Outfit', sans-serif;
  font-size: 0.82rem;
  line-height: 1.6;
  padding: 16px;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  z-index: 200;
}

.offshore-ticker-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: underline;
  text-underline-offset: 2px;
  white-space: nowrap;
  margin-left: 4px;
}
.offshore-ticker-link:hover {
  color: #fff;
}
.offshore-tooltip .offshore-ticker-link {
  color: var(--accent);
  font-weight: 600;
}