.elc-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(5, 5, 10, 0.98), rgba(5, 5, 10, 0.85));
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.elc-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.85rem;
}

.elc-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
}

.elc-header__logo-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 0, rgba(255, 255, 255, 0.35), transparent 55%),
              radial-gradient(circle at 70% 120%, rgba(255, 39, 125, 0.8), rgba(86, 26, 53, 1));
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.06), 0 10px 25px rgba(0, 0, 0, 0.7);
}

.elc-header__logo-chip {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.elc-header__brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.elc-header__brand-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

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

.elc-header__nav {
  display: flex;
  align-items: center;
}

.elc-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.elc-header__nav-link {
  position: relative;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding-block: 0.2rem;
}

.elc-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.3rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-silver));
  transition: width var(--transition-base);
}

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

.elc-header__nav-link:hover::after,
.elc-header__nav-link:focus-visible::after {
  width: 100%;
}

.elc-header__nav-item--cta .elc-header__nav-link--cta {
  padding: 0.45rem 1.1rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: radial-gradient(circle at top left, rgba(255, 39, 125, 0.35), rgba(255, 39, 125, 0.05))
              linear-gradient(135deg, #ff277d 0%, #b3125d 50%, #561a35 100%);
  box-shadow: var(--shadow-soft);
  color: var(--color-text);
}

.elc-header__nav-item--cta .elc-header__nav-link--cta::after {
  display: none;
}

.elc-header__nav-item--cta .elc-header__nav-link--cta:hover,
.elc-header__nav-item--cta .elc-header__nav-link--cta:focus-visible {
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: var(--shadow-elevated);
}

.elc-header__toggle {
  position: relative;
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(5, 5, 10, 0.8);
  cursor: pointer;
  color: inherit;
}

.elc-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.elc-header__toggle:focus-visible {
  box-shadow: var(--shadow-focus);
}

.elc-header--menu-open .elc-header__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.elc-header--menu-open .elc-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.elc-header--menu-open .elc-header__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 768px) {
  .elc-header__toggle {
    display: inline-flex;
  }

  .elc-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 56px;
    background: radial-gradient(circle at top, rgba(255, 39, 125, 0.18), transparent 60%),
                linear-gradient(to bottom, #050508, #050508);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .elc-header--menu-open .elc-header__nav {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .elc-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem var(--container-padding-x) 1rem;
  }

  .elc-header__nav-link {
    font-size: 0.8rem;
  }

  .elc-header__nav-item--cta .elc-header__nav-link--cta {
    width: 100%;
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .elc-header__brand-tagline {
    display: none;
  }
}