/* Header styles for PIPSFORALL LTD */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-bg-elevated);
  border-bottom: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
}

.site-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);
}

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--gray-900);
}

.site-header__logo-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 30% 20%, var(--color-primary-soft), var(--color-primary));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #ffffff;
  font-size: 1.15rem;
  box-shadow: var(--shadow-md);
}

.site-header__text-group {
  display: flex;
  flex-direction: column;
}

.site-header__site-name {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.site-header__tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

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

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

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-700);
  padding: 0.25rem 0;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-strong));
  transition: width var(--transition-normal);
}

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

.site-header__cta-wrap {
  margin-left: var(--space-2);
}

.site-header__cta {
  font-size: var(--font-size-sm);
  padding-inline: 1.1rem;
}

/* Mobile menu toggle */
.site-header__menu-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: #ffffff;
  color: var(--gray-800);
}

.site-header__menu-toggle:hover {
  background-color: var(--gray-50);
}

.site-header__menu-toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.18rem;
}

.site-header__menu-toggle-bar {
  width: 1.1rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-800);
  transition: transform var(--transition-fast), opacity var(--transition-fast), width var(--transition-fast);
}

.site-header__menu-toggle-text {
  font-size: var(--font-size-sm);
}

/* Mobile layout */
@media (max-width: 768px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__menu-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-bg-elevated);
    border-bottom: 1px solid var(--gray-100);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    align-items: stretch;
    padding: 0 var(--space-4) var(--space-4);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: max-height var(--transition-slow), opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding-top: var(--space-3);
    padding-bottom: var(--space-2);
  }

  .site-header__nav-link {
    width: 100%;
    padding-block: 0.4rem;
  }

  .site-header__cta-wrap {
    margin-left: 0;
  }

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

  /* Expanded state */
  .site-header--menu-open .site-header__nav {
    max-height: 22rem;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-header--menu-open .site-header__menu-toggle-bar:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
  }

  .site-header--menu-open .site-header__menu-toggle-bar:nth-child(2) {
    opacity: 0;
    width: 0;
  }

  .site-header--menu-open .site-header__menu-toggle-bar:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
  }
}

/* Reduced motion respect */
@media (prefers-reduced-motion: reduce) {
  .site-header__nav,
  .site-header__menu-toggle-bar {
    transition: none;
  }
}