/* Header styles for Motion Brand Agency */

.mba-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(5, 6, 10, 0.98) 0%, rgba(5, 6, 10, 0.9) 60%, rgba(5, 6, 10, 0.85) 100%);
  border-bottom: 1px solid rgba(72, 79, 99, 0.7);
}

.mba-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
  gap: var(--space-4);
}

/* Brand */

.mba-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.mba-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.mba-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 0 0, rgba(255, 75, 92, 0.28), transparent 55%),
              linear-gradient(145deg, #111827, #05060a);
  border: 1px solid rgba(148, 163, 184, 0.65);
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
}

.mba-header__logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.mba-header__logo-name {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-md);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mba-header__logo-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Navigation */

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

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

.mba-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-block: 0.3rem;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  text-decoration: none;
}

.mba-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transition: width var(--transition-base);
}

.mba-header__nav-link:hover {
  color: var(--color-text);
}

.mba-header__nav-link:focus-visible {
  box-shadow: var(--shadow-focus);
  border-radius: var(--radius-pill);
  outline: none;
}

.mba-header__nav-link:hover::after {
  width: 100%;
}

.mba-header__nav-item--cta .mba-header__nav-link--cta {
  padding-inline: 1.1rem;
  padding-block: 0.42rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-strong) 100%);
  color: #fff;
  box-shadow: 0 12px 24px rgba(255, 75, 92, 0.45);
}

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

.mba-header__nav-item--cta .mba-header__nav-link--cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(255, 75, 92, 0.6);
}

/* Mobile toggle */

.mba-header__toggle {
  display: none;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background-color: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.mba-header__toggle:focus-visible {
  box-shadow: var(--shadow-focus);
  outline: none;
}

.mba-header__toggle-box {
  position: relative;
  width: 1.35rem;
  height: 1.1rem;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}

.mba-header__toggle-line {
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
}

.mba-header__toggle-text {
  font-size: var(--font-size-xs);
}

/* Mobile state */

@media (max-width: 768px) {
  .mba-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

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

  .mba-header__nav {
    position: fixed;
    inset-inline: 0;
    top: 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
    background: radial-gradient(circle at top, rgba(255, 75, 92, 0.18), transparent 55%),
                linear-gradient(180deg, #05060a 0%, #05060a 85%, #05060a 100%);
    border-bottom: 1px solid rgba(72, 79, 99, 0.7);
  }

  .mba-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6) var(--space-5) var(--space-6);
    max-width: var(--container-max-width);
    margin-inline: auto;
    gap: var(--space-3);
  }

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

  .mba-header--nav-open .mba-header__nav {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .mba-header--nav-open .mba-header__toggle-line:first-child {
    transform: translateY(0.34rem) rotate(45deg);
  }

  .mba-header--nav-open .mba-header__toggle-line:last-child {
    transform: translateY(-0.34rem) rotate(-45deg);
  }
}

/* Small screens brand tightening */

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