/* Header styles for PIPS MEADOW LTD */

.pm-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-xs);
}

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

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

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

.pm-header__logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-md);
  background: radial-gradient(circle at 20% 20%, #1d4ed8 0%, #0b3b7a 45%, #082957 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}

.pm-header__brand-text {
  display: flex;
  flex-direction: column;
}

.pm-header__brand-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-primary-strong);
}

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

/* Navigation */

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

.pm-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.pm-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-gray-700);
  padding: 0.15rem 0;
}

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

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

.pm-header__cta-wrapper {
  margin-left: var(--space-4);
}

.pm-header__cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.3rem;
}

/* Mobile toggle */

.pm-header__toggle {
  display: none;
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background-color: #ffffff;
  cursor: pointer;
}

.pm-header__toggle:hover {
  background-color: var(--color-gray-50);
}

.pm-header__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.pm-header__toggle-bar {
  position: absolute;
  left: 50%;
  width: 1.05rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-gray-800);
  transform: translateX(-50%);
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base);
}

.pm-header__toggle-bar:nth-child(1) {
  top: 0.78rem;
}

.pm-header__toggle-bar:nth-child(2) {
  top: 1.19rem;
}

.pm-header__toggle-bar:nth-child(3) {
  top: 1.60rem;
}

.pm-header__toggle[aria-expanded="true"] .pm-header__toggle-bar:nth-child(1) {
  top: 1.19rem;
  transform: translateX(-50%) rotate(45deg);
}

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

.pm-header__toggle[aria-expanded="true"] .pm-header__toggle-bar:nth-child(3) {
  top: 1.19rem;
  transform: translateX(-50%) rotate(-45deg);
}

/* Responsive layout */

@media (max-width: 960px) {
  .pm-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

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

  .pm-header__nav {
    /* Position directly under the sticky header (no hardcoded offset). */
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 45;
    background: none;
    backdrop-filter: none;
    display: none;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 0 var(--space-4) var(--space-4);
  }

  .pm-header__nav--open {
    display: flex;
  }

  .pm-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-md);
    padding: var(--space-4);
    width: min(18rem, 100%);
    margin-left: auto;
  }

  .pm-header__nav-item + .pm-header__nav-item {
    margin-top: var(--space-2);
  }

  .pm-header__nav-link {
    font-size: var(--font-size-base);
  }

  .pm-header__cta-wrapper {
    display: none;
  }

  .pm-header__cta {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 640px) {
  .pm-header__brand-title {
    font-size: var(--font-size-base);
  }

  .pm-header__brand-tagline {
    display: none;
  }
}

/* Utility class when menu is open to prevent body scroll (optional, JS-controlled) */

.pm-header--menu-open {
  overflow: hidden;
}