.mk-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 24px;
  row-gap: 6px;
  padding: 12px clamp(20px, 5vw, 64px);
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--color-surface) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-neutral);
}

.mk-header__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--color-text);
}

.mk-header__wordmark {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.mk-header__nav {
  display: flex;
  gap: 22px;
  font-size: 15px;
  overflow-x: auto;
}

.mk-header__caret {
  font-size: 12px;
}

.mk-header__actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.mk-header__signin {
  background: none;
  border: 0;
  cursor: pointer;
  color: var(--color-text);
  font-size: 15px;
  padding: 6px 8px;
  border-radius: 8px;
  white-space: nowrap;
}

.mk-header__signin:hover {
  background: var(--color-neutral);
}

.mk-header__cta {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-primary);
  color: var(--color-text-inverse);
  background: var(--color-primary);
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
}

.mk-header__cta:hover {
  background: var(--color-primary-hover);
}

.mk-header__backdrop {
  position: fixed;
  inset: 0;
  z-index: 1;
}

.mk-header__menu {
  position: absolute;
  top: calc(100% + 6px);
  z-index: 2;
  left: 0;
  padding: 10px;
  border-radius: 16px;
  background: var(--color-surface);
  box-shadow:
    0 0 0 1px var(--color-border),
    0 24px 48px -12px rgba(18, 50, 99, 0.3);
}

.mk-header__menu-icon {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--color-selected);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  font-size: 20px;
}

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

.mk-header__menu-title {
  font-size: 15px;
  font-weight: 600;
}

.mk-header__menu-sub {
  font-size: 13px;
  color: var(--color-text-subtle);
}

.mk-header__menu-divider {
  height: 1px;
  background: var(--color-neutral);
  margin: 6px 4px;
}

.mk-header__overview {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  background: var(--color-surface);
  color: var(--color-primary-hover);
  font-size: 14px;
  font-weight: 500;
}

.mk-header__overview:hover {
  background: var(--color-primary-tint);
}

/* Top-level nav links; --active marks the current section */
.mk-header__link {
  background: none;
  border: 0;
  padding: 6px 0;
  cursor: pointer;
  white-space: nowrap;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.mk-header__link--menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mk-header__link--active {
  color: var(--color-primary-hover);
  font-weight: 600;
}

.mk-header__link:hover {
  color: var(--color-primary-hover);
}

/* Product dropdown items */
.mk-header__product {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  border: 0;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  color: var(--color-text);
  background: var(--color-surface);
}

.mk-header__product--current,
.mk-header__product:hover {
  background: var(--color-primary-tint);
}

/* Phones: the "Sign in" link is dropped to make room (the CTA stays) */
@media (max-width: 639px) {
  .mk-header__signin {
    display: none;
  }
}