.lv-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: radial-gradient(circle at top, #020617 0, rgba(2, 6, 23, 0.9) 40%, rgba(2, 6, 23, 0.96) 100%);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(39, 39, 42, 0.9);
}

.lv-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1rem;
}

.lv-header-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.lv-header-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.lv-header-logo-mark {
  width: 2.4rem;
  height: 2.4rem;
  flex-shrink: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 30% 0, #eab308 0, #a16207 35%, #451a03 100%);
  color: #020617;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1.1rem;
  box-shadow: 0 12px 32px rgba(234, 179, 8, 0.55);
  border: 1px solid rgba(250, 204, 21, 0.95);
}

.lv-header-logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.lv-header-logo-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lv-header-logo-tagline {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.lv-nav {
  display: flex;
  align-items: center;
}

.lv-nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.lv-nav-link {
  position: relative;
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.lv-nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #eab308, #facc15);
  transition: width var(--transition-base);
}

.lv-nav-link:hover,
.lv-nav-link:focus-visible {
  color: var(--color-text);
}

.lv-nav-link:hover::after,
.lv-nav-link:focus-visible::after {
  width: 100%;
}

.lv-nav-cta .lv-nav-link-cta {
  padding-inline: 1.2rem;
  padding-block: 0.55rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #047857, #22c55e);
  color: #ecfdf5;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  box-shadow: 0 14px 35px rgba(5, 150, 105, 0.5);
  border: 1px solid rgba(16, 185, 129, 0.9);
}

.lv-nav-cta .lv-nav-link-cta:hover,
.lv-nav-cta .lv-nav-link-cta:focus-visible {
  box-shadow: 0 18px 45px rgba(5, 150, 105, 0.7);
  transform: translateY(-1px);
}

.lv-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 999px;
  border: 1px solid rgba(63, 63, 70, 0.9);
  background: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  padding: 0;
}

.lv-nav-toggle-bar {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.lv-nav-toggle[aria-expanded="true"] .lv-nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.lv-nav-toggle[aria-expanded="true"] .lv-nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.lv-nav-toggle[aria-expanded="true"] .lv-nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.lv-nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

@media (max-width: 960px) {
  .lv-nav-toggle {
    display: inline-flex;
  }

  .lv-nav {
    position: fixed;
    inset-inline: 0;
    top: 4.2rem;
    z-index: 49;
    width: 100%;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
    background: radial-gradient(circle at top, #020617 0, #020617 65%, #000 100%);
    border-bottom: 1px solid rgba(39, 39, 42, 0.9);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.9);
  }

  .lv-nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 1.5rem 1.5rem 2rem;
    gap: 0;
  }

  .lv-nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(39, 39, 42, 0.9);
  }

  .lv-nav-item:last-child {
    border-bottom: none;
  }

  .lv-nav-link {
    display: block;
    width: 100%;
    font-size: 0.9rem;
    padding-block: 0.95rem;
  }

  .lv-nav-link::after {
    display: none;
  }

  .lv-nav-cta {
    width: 100%;
    margin-top: 0.75rem;
    border-bottom: none;
  }

  .lv-nav-cta .lv-nav-link-cta {
    display: inline-flex;
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .lv-nav.lv-nav-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

@media (max-width: 640px) {
  .lv-header-logo-tagline {
    display: none;
  }

  .lv-header-inner {
    padding-block: 0.8rem;
  }
}