/* Header styles for Maribelle El Khal */

.mk-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: linear-gradient(to bottom, rgba(11, 16, 32, 0.98), rgba(11, 16, 32, 0.94));
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--color-border-subtle);
}

.mk-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
  gap: var(--space-4);
}

/* Brand / logo */
.mk-header__brand {
  display: flex;
  align-items: center;
}

.mk-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.mk-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.85rem;
  background: radial-gradient(circle at 20% 0%, rgba(63, 140, 255, 0.35), transparent 55%),
              radial-gradient(circle at 80% 120%, rgba(255, 255, 255, 0.12), transparent 60%),
              var(--color-surface-alt);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.mk-header__logo-text {
  display: flex;
  flex-direction: column;
}

.mk-header__logo-name {
  font-family: var(--font-display);
  font-size: var(--font-size-md);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mk-header__logo-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */
.mk-header__nav {
  display: flex;
}

.mk-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.mk-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.35rem 0;
}

.mk-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.25rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transition: width var(--transition-base);
}

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

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

.mk-header__nav-item--cta {
  margin-left: var(--space-2);
}

.mk-header__nav-link--cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.3rem;
}

/* Mobile toggle */
.mk-header__toggle {
  display: none;
  position: relative;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  background-color: rgba(17, 23, 41, 0.9);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.mk-header__toggle-bar {
  position: absolute;
  width: 1.2rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-100);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.mk-header__toggle-bar:nth-child(1) {
  top: 0.75rem;
}

.mk-header__toggle-bar:nth-child(2) {
  top: 1.15rem;
}

.mk-header__toggle-bar:nth-child(3) {
  bottom: 0.75rem;
}

/* Open state */
.mk-header--menu-open .mk-header__toggle-bar:nth-child(1) {
  top: 1.15rem;
  transform: rotate(45deg);
}

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

.mk-header--menu-open .mk-header__toggle-bar:nth-child(3) {
  bottom: 1.15rem;
  transform: rotate(-45deg);
}

/* Responsive */
@media (max-width: 880px) {
  .mk-header__inner {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .mk-header__toggle {
    display: inline-flex;
  }

  .mk-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: linear-gradient(to bottom, rgba(17, 23, 41, 0.98), rgba(17, 23, 41, 0.96));
    border-bottom: 1px solid var(--color-border-subtle);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
  }

  .mk-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-3);
  }

  .mk-header__nav-item--cta {
    width: 100%;
    margin-left: 0;
    margin-top: var(--space-2);
  }

  .mk-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

  .mk-header--menu-open .mk-header__nav {
    opacity: 1;
    transform: scaleY(1);
    visibility: visible;
    pointer-events: auto;
  }
}

@media (max-width: 540px) {
  .mk-header__logo-tagline {
    display: none;
  }
}