/* ============================================================================
   PayrAdvisors — Layout / Global chrome
   Site header (transparent -> sticky), logo, primary nav, mobile menu, footer.
   ============================================================================ */

/* ---------------------------------------------------------------------------
   Header
   --------------------------------------------------------------------------- */
.site-header {
  width: 100%;
  z-index: var(--z-header);
  transition: background var(--transition), border-color var(--transition),
              box-shadow var(--transition);
}

/* Solid (non-hero pages): sits in flow, sticks on scroll, white bg. */
.site-header--solid {
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

/* Overlay (hero pages): fixed over the hero, transparent until scrolled. */
.site-header--overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: transparent;
  border-bottom: 1px solid transparent;
}

.site-header--overlay.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  -webkit-backdrop-filter: saturate(160%) blur(8px);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-height: 68px;
  padding-block: var(--space-3);
}

/* ---------------------------------------------------------------------------
   Logo
   --------------------------------------------------------------------------- */
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--navy); /* default (solid header) */
  margin-right: auto; /* push nav to the right */
  flex: none;
}

.site-logo:hover { color: var(--navy); }

.site-logo__mark { display: inline-flex; width: 28px; height: 28px; }

/* Brand lockup SVG (inherits currentColor from .site-logo color rules) */
.site-logo__svg { height: 30px; width: auto; display: block; }
.site-logo--footer .site-logo__svg { height: 34px; }
@media (max-width: 480px) { .site-logo__svg { height: 26px; } }

.site-logo__name {
  font-family: var(--font-serif);
  font-weight: var(--weight-heading);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  line-height: 1;
  color: currentColor;
}

.site-logo__name-accent { color: var(--magenta); }

.site-logo__img { max-height: 40px; width: auto; }

/* Logo color by header state */
.site-header--overlay:not(.is-scrolled) .site-logo { color: var(--white); }
.site-header--overlay.is-scrolled .site-logo,
.site-header--solid .site-logo { color: var(--navy); }

/* ---------------------------------------------------------------------------
   Primary nav (desktop)
   --------------------------------------------------------------------------- */
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin: 0;
}

.primary-nav__link {
  font-size: 0.9375rem;
  font-weight: var(--weight-medium);
  color: var(--muted);
  transition: color var(--transition);
}

.primary-nav__link:hover,
.primary-nav__link.is-current {
  color: var(--navy);
}

.primary-nav__link.is-current { font-weight: var(--weight-emphasis); }

/* On transparent overlay header, nav text is light */
.site-header--overlay:not(.is-scrolled) .primary-nav__link {
  color: var(--on-dark-soft);
}
.site-header--overlay:not(.is-scrolled) .primary-nav__link:hover,
.site-header--overlay:not(.is-scrolled) .primary-nav__link.is-current {
  color: var(--white);
}

.primary-nav__cta { flex: none; }

/* ---------------------------------------------------------------------------
   Dropdown submenu (e.g. Our Services)
   --------------------------------------------------------------------------- */
.primary-nav__item--has-children { position: relative; }

/* Caret on the parent link */
.primary-nav__item--has-children > .primary-nav__link::after {
  content: "";
  display: inline-block;
  width: 0.42em;
  height: 0.42em;
  margin-left: 0.4em;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-0.12em) rotate(45deg);
  transition: transform var(--transition);
}
.primary-nav__item--has-children:hover > .primary-nav__link::after,
.primary-nav__item--has-children:focus-within > .primary-nav__link::after {
  transform: translateY(0.05em) rotate(-135deg);
}

.primary-nav__submenu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 250px;
  margin: 0;
  padding: var(--space-2);
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 20;
}

.primary-nav__item--has-children:hover > .primary-nav__submenu,
.primary-nav__item--has-children:focus-within > .primary-nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.primary-nav__sublink {
  display: block;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: var(--weight-medium);
  color: var(--navy);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.primary-nav__sublink:hover,
.primary-nav__sublink.is-current {
  background: var(--surface-2);
  color: var(--magenta);
}

/* ---------------------------------------------------------------------------
   Mobile menu toggle (hamburger)
   --------------------------------------------------------------------------- */
.nav-toggle {
  display: none; /* shown under the breakpoint */
  margin-left: auto;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--navy);
  align-items: center;
  justify-content: center;
}

.site-header--overlay:not(.is-scrolled) .nav-toggle { color: var(--white); }

.nav-toggle__bars,
.nav-toggle__bars span {
  display: block;
}

.nav-toggle__bars {
  width: 24px;
  height: 16px;
  position: relative;
}

.nav-toggle__bars span {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), top var(--transition);
}

.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { top: 7px; }
.nav-toggle__bars span:nth-child(3) { top: 14px; }

/* Animate to an X when open */
.nav-open .nav-toggle__bars span:nth-child(1) { top: 7px; transform: rotate(45deg); }
.nav-open .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle__bars span:nth-child(3) { top: 7px; transform: rotate(-45deg); }

/* ---------------------------------------------------------------------------
   Mobile breakpoint
   --------------------------------------------------------------------------- */
@media (max-width: 879px) {
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    padding: var(--space-3) var(--container-pad) var(--space-5);
    /* hidden by default */
    visibility: hidden;
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  }

  .nav-open .primary-nav {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .primary-nav__item { border-bottom: 1px solid var(--line-2); }

  .primary-nav__link {
    display: block;
    padding: var(--space-3) 0;
    color: var(--navy);
    font-size: 1rem;
  }

  /* Mobile menu is always on a white panel, even for overlay headers */
  .site-header--overlay:not(.is-scrolled) .primary-nav__link { color: var(--navy); }
  .site-header--overlay:not(.is-scrolled) .primary-nav__link.is-current { color: var(--navy); }

  .primary-nav__cta {
    margin-top: var(--space-4);
    width: 100%;
  }

  /* Submenu shows as a static indented list inside the open panel */
  .primary-nav__item--has-children > .primary-nav__link::after { display: none; }

  .primary-nav__submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    min-width: 0;
    padding: 0 0 var(--space-2) var(--space-4);
    border: 0;
    border-radius: 0;
    box-shadow: none;
    background: transparent;
  }

  .primary-nav__sublink {
    padding: var(--space-2) 0;
    font-size: 0.95rem;
  }
}

/* ---------------------------------------------------------------------------
   Footer
   --------------------------------------------------------------------------- */
.site-footer {
  background: var(--navy);
  color: var(--on-dark-soft);
  padding-block: var(--space-7);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 720px) {
  .site-footer__inner {
    grid-template-columns: 1.7fr 1fr 1fr;
    gap: var(--space-7);
  }
}

.site-footer__brand .site-logo,
.site-logo--footer {
  color: var(--white);
  margin-right: 0;
  margin-bottom: var(--space-4);
}

.site-footer__tagline {
  font-size: var(--fs-small);
  color: var(--on-dark-faint);
  line-height: 1.6;
  max-width: 36ch;
}

.site-footer__heading {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: var(--weight-emphasis);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-dark-faint);
  margin-bottom: var(--space-4);
}

.site-footer__list { display: grid; gap: var(--space-2); }

.site-footer__link {
  font-size: var(--fs-small);
  color: var(--on-dark-soft);
}
.site-footer__link:hover { color: var(--white); }

.site-footer__address {
  font-style: normal;
  font-size: var(--fs-small);
  color: var(--on-dark-soft);
  line-height: 1.7;
}

.site-footer__bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--on-dark-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
}

.site-footer__copy {
  font-size: 0.75rem;
  color: var(--on-dark-faint);
}

.site-footer__legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
}
.site-footer__legal .site-footer__link { font-size: 0.75rem; }