/* ═══════════════════════════════════════════════════════
   CAS COMPONENTS — Header, Footer, Navigation
   cas-theme/css/components.css
   ═══════════════════════════════════════════════════════ */

/* ═══════════════════════════════════════
   HEADER
   ═══════════════════════════════════════ */
.cas-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(210,210,215,0.6);
  transition: background var(--cas-ease), box-shadow var(--cas-ease);
}

.cas-header.is-scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 1px 0 rgba(0,0,0,0.08);
}

.cas-header__inner {
  display: flex;
  align-items: center;
  height: 64px;
  gap: 2rem;
}

.cas-header__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.cas-header__logo img {
  height: 38px;
  width: auto;
}

/* Spacer so content doesn't go under fixed header */
.cas-header-spacer { height: 64px; display: block; }

/* Prevent hero/first section from hiding behind fixed header */
.cas-hero,
.entry-content > *:first-child,
main > section:first-of-type { scroll-margin-top: 64px; }

/* ═══════════════════════════════════════
   PRIMARY NAVIGATION
   ═══════════════════════════════════════ */
.cas-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.cas-nav__list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.cas-nav__item {
  position: relative;
}

.cas-nav__link,
.cas-nav__link--btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0.5rem 0.75rem;
  font-size: 14px;
  font-weight: 500;
  color: var(--cas-charcoal);
  border-radius: var(--cas-radius-sm);
  transition: color var(--cas-ease), background var(--cas-ease);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--cas-font);
  white-space: nowrap;
  line-height: 1;
}

.cas-nav__link:hover,
.cas-nav__link--btn:hover {
  color: var(--cas-blue);
  background: var(--cas-blue-light);
}

.cas-nav__link.current-menu-item {
  color: var(--cas-blue);
}

.cas-nav__chevron {
  transition: transform var(--cas-ease);
  flex-shrink: 0;
}

.cas-nav__item--has-dropdown:hover .cas-nav__chevron,
.cas-nav__item--has-dropdown .cas-nav__link--btn[aria-expanded="true"] .cas-nav__chevron {
  transform: rotate(180deg);
}

/* Header actions */
.cas-header__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.cas-header__verify {
  font-size: 13px;
  padding: 0.55rem 1rem;
}

/* ═══════════════════════════════════════
   DROPDOWN MENU
   ═══════════════════════════════════════ */
.cas-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--cas-white);
  border: 1px solid var(--cas-silver);
  border-radius: var(--cas-radius-xl);
  box-shadow: 0 24px 64px rgba(0,0,0,0.12);
  min-width: 520px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--cas-ease), transform var(--cas-ease), visibility var(--cas-ease);
  z-index: 200;
}

.cas-nav__item--has-dropdown:hover .cas-dropdown,
.cas-nav__item--has-dropdown:focus-within .cas-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Arrow */
.cas-dropdown::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: var(--cas-white);
  border-top: 1px solid var(--cas-silver);
  border-left: 1px solid var(--cas-silver);
}

.cas-dropdown__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 1rem;
}

.cas-dropdown__group {
  padding: 0.5rem;
}

.cas-dropdown__heading {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cas-slate);
  padding: 0.25rem 0.75rem 0.5rem;
  display: block;
}

.cas-dropdown__link {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 0.65rem 0.75rem;
  border-radius: var(--cas-radius-md);
  color: var(--cas-charcoal);
  transition: background var(--cas-ease), color var(--cas-ease);
  line-height: 1;
}

.cas-dropdown__link:hover {
  background: var(--cas-blue-light);
  color: var(--cas-blue-dark);
}

.cas-dropdown__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--cas-radius-sm);
  background: var(--cas-cloud);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--cas-blue);
  transition: background var(--cas-ease);
}

.cas-dropdown__link:hover .cas-dropdown__icon {
  background: rgba(0,113,227,0.12);
}

.cas-dropdown__link span:last-child {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.cas-dropdown__link strong {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--cas-black);
  display: block;
}

.cas-dropdown__link small {
  font-size: 12px;
  color: var(--cas-slate);
  display: block;
  line-height: 1.4;
}

/* ═══════════════════════════════════════
   HAMBURGER
   ═══════════════════════════════════════ */
.cas-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--cas-radius-sm);
  transition: background var(--cas-ease);
  margin-left: auto;
}

.cas-hamburger:hover { background: var(--cas-cloud); }

.cas-hamburger__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cas-black);
  border-radius: 2px;
  transition: transform var(--cas-ease), opacity var(--cas-ease);
}

.cas-hamburger.is-open .cas-hamburger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.cas-hamburger.is-open .cas-hamburger__bar:nth-child(2) { opacity: 0; }
.cas-hamburger.is-open .cas-hamburger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════
   MOBILE NAV
   ═══════════════════════════════════════ */
.cas-mobile-nav {
  position: fixed;
  inset: 64px 0 0 0;
  background: var(--cas-white);
  z-index: 999;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.cas-mobile-nav.is-open {
  transform: translateX(0);
}

.cas-mobile-nav__inner {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  min-height: calc(100vh - 64px);
}

.cas-mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cas-mobile-nav__list li a,
.cas-mobile-nav__list li > a {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 16px;
  font-weight: 500;
  color: var(--cas-black);
  border-radius: var(--cas-radius-md);
  transition: background var(--cas-ease);
}

.cas-mobile-nav__list li a:hover {
  background: var(--cas-cloud);
}

.cas-mobile-nav__group ul {
  padding-left: 1rem;
  margin-top: 0.25rem;
}

.cas-mobile-nav__group ul li a {
  font-size: 15px;
  color: var(--cas-charcoal);
}

.cas-mobile-nav__heading {
  display: block;
  padding: 0.75rem 1rem 0.25rem;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cas-slate);
}

.cas-mobile-nav__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--cas-silver);
}

/* ═══════════════════════════════════════
   RESPONSIVE HEADER BREAKPOINTS
   ═══════════════════════════════════════ */
@media (max-width: 1100px) {
  .cas-header__verify { display: none; }
}

@media (max-width: 900px) {
  .cas-nav { display: none; }
  .cas-header__actions .cas-btn--primary { display: none; }
  .cas-hamburger { display: flex; }
}

/* ═══════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════ */

/* CTA Banner */
.cas-footer-cta {
  background: var(--cas-black);
  padding: 4rem 0;
}

.cas-footer-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cas-footer-cta__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--cas-white);
  margin: 0.5rem 0 0.75rem;
  letter-spacing: -0.02em;
}

.cas-footer-cta__sub {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  max-width: 440px;
}

/* Footer Main */
.cas-footer-main {
  background: #111113;
  padding: 4rem 0;
}

.cas-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
}

.cas-footer-col__title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
  margin-bottom: 1.25rem;
}

/* Brand column */
.cas-footer-tagline {
  font-size: 13px;
  font-weight: 600;
  color: var(--cas-blue);
  letter-spacing: 0.05em;
  margin: 1rem 0 0.75rem;
}

.cas-footer-desc {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.7;
  max-width: 300px;
}

.cas-footer-badges {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.cas-footer-badges a,
.cas-footer-badges span.cas-footer-badge-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.95);
  border-radius: 10px;
  padding: 6px;
  transition: background var(--cas-ease), transform var(--cas-ease);
  flex-shrink: 0;
}

.cas-footer-badges a:hover {
  background: #fff;
  transform: translateY(-2px);
}

.cas-footer-badges img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 0;
  background: transparent;
  padding: 0;
  filter: none;
  opacity: 1;
}

/* EOS text badge — logo too small, use text mark instead */
.cas-footer-eos-badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.95);
  border-radius: 10px;
  padding: 4px;
  flex-shrink: 0;
}
.cas-footer-eos-badge span:first-child {
  font-size: 13px;
  font-weight: 800;
  color: #1D4E8F;
  letter-spacing: .04em;
  line-height: 1;
}
.cas-footer-eos-badge span:last-child {
  font-size: 8px;
  font-weight: 600;
  color: #1D4E8F;
  letter-spacing: .03em;
  line-height: 1.2;
  text-align: center;
}

/* Footer nav links */
.cas-footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.cas-footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  transition: color var(--cas-ease);
}

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

/* Offices */
.cas-footer-offices {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cas-footer-offices li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.cas-footer-offices__flag {
  font-size: 20px;
  line-height: 1.4;
  flex-shrink: 0;
}

.cas-footer-offices div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cas-footer-offices strong {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,0.8);
}

.cas-footer-offices small {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  line-height: 1.5;
}

.cas-footer-offices a {
  font-size: 12px;
  color: var(--cas-blue);
}

.cas-footer-offices a:hover {
  color: #5AB0FF;
}

/* Footer Bottom */
.cas-footer-bottom {
  background: #0D0D0F;
  padding: 1.25rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.cas-footer-bottom__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.cas-footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

.cas-footer-bottom__links {
  display: flex;
  gap: 1.5rem;
}

.cas-footer-bottom__links a {
  font-size: 12px;
  color: rgba(255,255,255,0.35);
  transition: color var(--cas-ease);
}

.cas-footer-bottom__links a:hover {
  color: rgba(255,255,255,0.7);
}

.cas-footer-social {
  display: flex;
  gap: 0.75rem;
}

.cas-footer-social a {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  transition: background var(--cas-ease), color var(--cas-ease);
}

.cas-footer-social a:hover {
  background: var(--cas-blue);
  color: var(--cas-white);
}

/* Footer Responsive */
@media (max-width: 1024px) {
  .cas-footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .cas-footer-col--brand { grid-column: 1 / -1; }
  .cas-footer-desc { max-width: 100%; }
}

@media (max-width: 640px) {
  .cas-footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .cas-footer-cta__inner { flex-direction: column; align-items: flex-start; }
  .cas-footer-bottom__inner { flex-direction: column; align-items: flex-start; gap: 1rem; }
}

/* ═══════════════════════════════════════
   BADGE STATUS COLORS (for cert pages)
   ═══════════════════════════════════════ */
.cas-badge--amber { background: #FFF3E0; color: #E65100; }
.cas-badge--red   { background: #FFEBEE; color: #B71C1C; }