/* ============================================================
   HEADER
   - Transparent when on top of hero
   - Dark navy (#082240) when scrolled OR on non-hero pages
   ============================================================ */

.site-header {
  max-width: 100% !important;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;

  /* Default: transparent (for hero pages) */
  background-color: transparent;
  padding: 20px 0;
}

/* Scrolled state — JS adds this class */
.site-header.is-scrolled {
  background-color: var(--color-primary); /* #082240 */
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.25);
  padding: 12px 0;
}

/* Non-hero pages (About, Solutions, Industries inner sections)
   Add class "header-dark" to <header> via body class targeting */
body:not(.home) .site-header {
  background-color: var(--color-primary);
}

/* Inner layout */
.header-inner {
  max-width: var(--container-width) !important;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

/* Logo */
.header-logo {
  display: none;
}

.custom-logo-link img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--color-white);
  letter-spacing: -0.02em;
}

/* ============================================================
   DESKTOP NAV MENU
   ============================================================ */
.header-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-menu li {
  position: relative;
}

.nav-menu > li > a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.9);
  padding: 8px 14px;
  border-radius: 6px;
  display: block;
  transition: color 0.2s ease, background-color 0.2s ease;
  white-space: nowrap;
}

.nav-menu > li > a:hover,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-ancestor > a {
  color: var(--color-accent);
}

/* Active underline indicator */
.nav-menu > li.current-menu-item > a::after,
.nav-menu > li.current-menu-ancestor > a::after {
  content: '';
  display: block;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-top: 2px;
}

/* ── Dropdown ── */
.nav-menu .sub-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  min-width: 220px;
  background: var(--color-white);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14);
  list-style: none;
  padding: 8px;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 100;
}

.nav-menu li:hover > .sub-menu,
.nav-menu li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-menu .sub-menu li a {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-primary);
  border-radius: 8px;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.nav-menu .sub-menu li a:hover {
  background-color: var(--color-gray-light);
  color: var(--color-secondary);
}

/* Dropdown arrow on parent items */
.nav-menu .menu-item-has-children > a::before {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  margin-left: 6px;
  vertical-align: middle;
  opacity: 0.7;
}

/* Header CTA button */
.header-cta {
  flex-shrink: 0;
  font-size: 0.875rem;
  padding: 10px 20px;
}

/* ============================================================
   HAMBURGER BUTTON
   ============================================================ */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburger → X when open */
.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  border-top: 1px solid rgba(255,255,255,0.1);
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.4s ease, opacity 0.3s ease, padding 0.4s ease;
  pointer-events: none;
  padding: 0;
}

.mobile-menu.is-open {
  max-height: 600px;
  opacity: 1;
  pointer-events: auto;
  padding: 16px 0 24px;
}

.mobile-menu-inner {
  padding: 0 24px;
}

.mobile-nav-menu {
  list-style: none;
  margin: 0 0 24px 0;
  padding: 0;
}

.mobile-nav-menu li a {
  display: block;
  padding: 13px 0;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1rem;
  color: rgba(255,255,255,0.9);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color 0.2s ease;
}

.mobile-nav-menu li a:hover {
  color: var(--color-accent);
}

/* Sub-items indented */
.mobile-nav-menu .sub-menu {
  list-style: none;
  padding: 0 0 0 16px;
  margin: 0;
}

.mobile-nav-menu .sub-menu li a {
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
  border-bottom-color: rgba(255,255,255,0.05);
}

.mobile-cta {
  width: 100%;
  justify-content: center;
  text-align: center;
  margin-top: 8px;
}

/* ============================================================
   RESPONSIVE — show hamburger, hide desktop nav
   ============================================================ */
@media (max-width: 1024px) {
  .header-nav,
  .header-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 767px) {
  .site-header {
    padding: 14px 0;
    padding-inline-end: 0 !important;
    padding-inline-start: 0 !important;
  }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-primary);
}

.footer-top {
  padding: 72px 0 56px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1.4fr;
  gap: 48px;
}

.footer-logo img {
  height: 36px;
  width: auto;
  /* Make dark logo visible on dark bg — only if logo is dark colored */
  filter: brightness(0) invert(1);
  margin-bottom: 16px;
}

.logo-text--white {
  color: var(--color-white);
}

.footer-tagline {
  color: rgba(255,255,255,0.6);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.social-link:hover {
  background: var(--color-accent);
  color: var(--color-primary);
}

.footer-heading {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
  transition: color 0.2s ease;
  line-height: 1.5;
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-cta-btn {
  display: inline-flex;
  font-size: 0.875rem;
  padding: 10px 18px;
  margin-bottom: 20px;
}

.footer-contact-info {
  margin-top: 16px;
}

.footer-contact-info p {
  color: rgba(255,255,255,0.55);
  font-size: 0.8125rem;
  margin-bottom: 4px;
  line-height: 1.5;
}

.footer-contact-info a {
  color: rgba(255,255,255,0.55);
  transition: color 0.2s ease;
}

.footer-contact-info a:hover {
  color: var(--color-accent);
}

/* Footer bottom bar */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom-inner p {
  color: rgba(255,255,255,0.45);
  font-size: 0.8125rem;
  margin: 0;
}

.footer-legal-links {
  display: flex;
  gap: 24px;
}

.footer-legal-links a {
  color: rgba(255,255,255,0.45);
  font-size: 0.8125rem;
  transition: color 0.2s ease;
}

.footer-legal-links a:hover {
  color: var(--color-accent);
}

/* ── Footer Responsive ── */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 36px;
  }

  .footer-col.footer-brand {
    grid-column: 1 / -1; /* full width on tablet */
  }
}

@media (max-width: 767px) {
  .footer-top {
    padding: 48px 0 36px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .footer-col.footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}