/* ═══════════════════════════════════════════
   HEADER + TICKER + MEGA MENU + MOBILE NAV
═══════════════════════════════════════════ */

/* ── Ticker Bar ──────────────────────────── */
.ticker-wrap {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--ticker-h);
  background-color: var(--text);
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.ticker-inner {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.ticker-track {
  display: flex;
  align-items: center;
  height: 100%;
  white-space: nowrap;
  animation: ticker-scroll 60s linear infinite;
  width: max-content;
}

.ticker-track:hover { animation-play-state: paused; }

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 24px;
  font-size: .75rem;
  font-weight: 500;
  color: rgba(255,255,255,.7);
  border-right: 1px solid rgba(255,255,255,.08);
}

.ticker-sym {
  font-weight: 700;
  color: #fff;
  font-family: var(--font-mono);
}

.ticker-price {
  color: rgba(255,255,255,.85);
  font-family: var(--font-mono);
}

.ticker-up  { color: #4ADE80; }
.ticker-dn  { color: #F87171; }

.ticker-placeholder {
  color: rgba(255,255,255,.4);
  font-size: .75rem;
  padding: 0 24px;
}

/* ── Site Header ─────────────────────────── */
.site-header {
  position: fixed;
  top: var(--ticker-h);
  left: 0;
  right: 0;
  z-index: 999;
  height: var(--header-h);
  background-color: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--t-normal),
    box-shadow var(--t-normal),
    background-color var(--t-normal);
}

.site-header.scrolled {
  border-bottom-color: var(--bg-border);
  box-shadow: 0 2px 20px rgba(15,23,42,.06);
  background-color: rgba(255,255,255,.97);
}

.header-inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--sp-8);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

/* ── Logo ────────────────────────────────── */
.logo {
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: -.04em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.logo-accent { color: var(--green); }

/* ── Desktop Nav ─────────────────────────── */
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  border-radius: var(--r-md);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  background: none;
  border: none;
  font-family: var(--font-body);
  transition:
    color var(--t-fast),
    background-color var(--t-fast);
  white-space: nowrap;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text);
  background-color: var(--bg-subtle);
}

.nav-link.active { font-weight: 600; }

.nav-chevron {
  font-size: .65rem;
  transition: transform var(--t-fast);
  opacity: .6;
}

.nav-link--has-dropdown[aria-expanded="true"] .nav-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

/* ── Nav Group (dropdown wrapper) ────────── */
.nav-group {
  position: relative;
}

/* ── Mega Dropdown ───────────────────────── */
.mega-drop {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg);
  border: 1px solid var(--bg-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xl);
  min-width: 500px;
  padding: var(--sp-4);
  z-index: 998;

  /* Hidden state */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(-6px);
  transition:
    opacity var(--t-normal),
    visibility var(--t-normal),
    transform var(--t-normal);
}

.mega-drop[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Arrow pointer */
.mega-drop::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 10px;
  height: 10px;
  background: var(--bg);
  border-top: 1px solid var(--bg-border);
  border-left: 1px solid var(--bg-border);
}

.mega-drop-inner {
  display: flex;
  gap: var(--sp-2);
}

.mega-col {
  flex: 1;
  min-width: 200px;
}

.mega-col-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-1);
}

/* ── Mega Menu Item ──────────────────────── */
.mega-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--r-md);
  text-decoration: none;
  color: inherit;
  transition:
    background-color var(--t-fast),
    transform var(--t-fast);
}

.mega-item:hover {
  background-color: var(--bg-subtle);
  transform: translateX(2px);
}

.mega-item-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .85rem;
  flex-shrink: 0;
}

.mega-item-title {
  display: block;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.mega-item-desc {
  display: block;
  font-size: .775rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ── Header Actions (right side) ─────────── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-left: auto;
  flex-shrink: 0;
}

.auth-buttons {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* ── Profile Area ────────────────────────── */
.profile-area {
  position: relative;
}

.profile-trigger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 2px solid var(--bg-border);
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-subtle);
  transition: border-color var(--t-fast);
}

.profile-trigger:hover { border-color: var(--green); }

.profile-trigger img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* ── Profile Dropdown ────────────────────── */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg);
  border: 1px solid var(--bg-border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xl);
  min-width: 200px;
  padding: var(--sp-2);
  z-index: 999;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-6px);
  transition:
    opacity var(--t-normal),
    visibility var(--t-normal),
    transform var(--t-normal);
}

.dropdown-menu[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.dropdown-header {
  padding: var(--sp-2) var(--sp-3) var(--sp-3);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--bg-border);
  margin-bottom: var(--sp-1);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 9px var(--sp-3);
  border-radius: var(--r-sm);
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  cursor: pointer;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  font-family: var(--font-body);
  transition: background-color var(--t-fast), color var(--t-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-subtle);
  color: var(--text);
}

.dropdown-item.danger { color: var(--red); }
.dropdown-item.danger:hover { background-color: var(--bg-dn); }

.dropdown-divider {
  height: 1px;
  background-color: var(--bg-border);
  margin: var(--sp-2) 0;
}

/* ── Mobile Toggle ───────────────────────── */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border-radius: var(--r-sm);
  background: var(--bg-subtle);
  border: 1px solid var(--bg-border);
  cursor: pointer;
  padding: 0;
}

.mobile-menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background-color: var(--text);
  border-radius: 2px;
  transition: transform var(--t-normal), opacity var(--t-normal);
}

/* Hamburger → X animation */
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Nav ──────────────────────────── */
.mobile-nav {
  background: var(--bg);
  border-top: 1px solid var(--bg-border);
  padding: var(--sp-4) var(--sp-5) var(--sp-6);
  box-shadow: var(--shadow-lg);
  animation: dropdown-in var(--t-normal) ease;
}

.mobile-nav[hidden] { display: none; }

.mobile-nav-link {
  display: block;
  padding: 11px var(--sp-3);
  font-size: .95rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: background-color var(--t-fast), color var(--t-fast);
}

.mobile-nav-link:hover {
  background-color: var(--bg-subtle);
  color: var(--text);
}

/* Mobile accordion groups */
.mobile-nav-group { border-bottom: 1px solid var(--bg-border); margin-bottom: var(--sp-2); padding-bottom: var(--sp-2); }

.mobile-nav-group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px var(--sp-3);
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  border-radius: var(--r-sm);
  transition: background-color var(--t-fast);
}

.mobile-nav-group-title:hover { background-color: var(--bg-subtle); }

.mobile-nav-group-body {
  padding-left: var(--sp-4);
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--t-slow) ease;
}

.mobile-nav-group-body.open { max-height: 500px; }

.mobile-nav-sub-link {
  display: block;
  padding: 8px var(--sp-3);
  font-size: .875rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--r-sm);
  transition: color var(--t-fast), background-color var(--t-fast);
}

.mobile-nav-sub-link:hover {
  color: var(--text);
  background-color: var(--bg-subtle);
}

.mobile-nav-actions {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--bg-border);
}