/* ==========================================================================
   BCA HEADER — Premium Custom Header Styles
   ========================================================================== */

/* ── Top Bar ── */
.bca-topbar {
  background: var(--bca-accent);
  color: rgba(255,255,255,0.80);
  font-size: 0.8125rem;
  letter-spacing: 0.01em;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.bca-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px;
}
.bca-topbar-contact {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.bca-topbar-contact a {
  color: rgba(255,255,255,0.80);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--bca-transition);
}
.bca-topbar-contact a:hover {
  color: var(--bca-primary);
}
.bca-topbar-contact svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}
.bca-topbar-accreditation,
.bca-topbar-badge {
  background: transparent;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0;
  border-radius: 0;
  text-transform: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: default;
  user-select: none;
}

.bca-topbar-accreditation svg,
.bca-topbar-badge svg {
  color: #08A8E0;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

/* ── Main Header ── */
.bca-header {
  background: var(--bca-surface);
  box-shadow: 0 1px 0 var(--bca-border), var(--bca-shadow-sm);
  position: sticky;
  top: 0;
  z-index: 9999;
  transition: box-shadow 0.3s ease, background 0.3s ease;
}
.bca-header.bca-header--scrolled {
  box-shadow: var(--bca-shadow-md);
}
.bca-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  gap: 32px;
}

/* ── Logo ── */
.bca-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.bca-logo img {
  height: 78px;
  width: auto;
  object-fit: contain;
  transition: height 0.3s ease;
}
.bca-header.bca-header--scrolled .bca-logo img {
  height: 64px;
}
.bca-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.bca-logo-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--bca-accent);
  letter-spacing: -0.01em;
}
.bca-logo-tagline {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--bca-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── Navigation ── */
.bca-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.bca-nav > li {
  position: relative;
}
.bca-nav > li > a {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--bca-text);
  border-radius: var(--bca-radius-sm);
  transition: var(--bca-transition);
  white-space: nowrap;
}
.bca-nav > li > a:hover,
.bca-nav > li.current-menu-item > a,
.bca-nav > li.current_page_item > a {
  color: var(--bca-primary);
  background: var(--bca-primary-light);
}
/* Dropdown caret */
.bca-nav > li.menu-item-has-children > a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 2px;
  transition: transform 0.2s ease;
}
.bca-nav > li.menu-item-has-children:hover > a::after {
  transform: rotate(180deg);
}

/* ── Dropdown Sub-menu ── */
.bca-nav .sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--bca-surface);
  border: 1px solid var(--bca-border);
  border-radius: var(--bca-radius-md);
  box-shadow: var(--bca-shadow-lg);
  min-width: 220px;
  list-style: none;
  margin: 0;
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  z-index: 10000;
}
.bca-nav > li:hover > .sub-menu,
.bca-nav > li:focus-within > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.bca-nav .sub-menu li a {
  display: block;
  padding: 9px 14px;
  font-size: 0.855rem;
  font-weight: 500;
  color: var(--bca-text);
  border-radius: var(--bca-radius-sm);
  transition: var(--bca-transition);
}
.bca-nav .sub-menu li a:hover {
  color: var(--bca-primary);
  background: var(--bca-primary-light);
  padding-left: 18px;
}

/* ── Header CTA ── */
.bca-header-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.bca-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--bca-font-body);
  font-weight: 600;
  border-radius: var(--bca-radius-pill);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--bca-transition);
  white-space: nowrap;
  text-decoration: none;
}
.bca-btn--sm {
  font-size: 0.82rem;
  padding: 8px 18px;
}
.bca-btn--md {
  font-size: 0.9rem;
  padding: 11px 26px;
}
.bca-btn--outline {
  color: var(--bca-primary-dark);
  border-color: var(--bca-border);
  background: transparent;
}
.bca-btn--outline:hover {
  border-color: var(--bca-primary);
  color: var(--bca-primary);
  background: var(--bca-primary-light);
}
.bca-btn--primary {
  color: #fff;
  border-color: var(--bca-primary);
  background: var(--bca-gradient-primary);
  box-shadow: 0 4px 18px rgba(8,168,224,0.28);
}
.bca-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(8,168,224,0.38);
  color: #fff;
}

/* ── Header Apply Button White Accent ── */
#bca-header-btn-apply,
.bca-header-cta .bca-btn--primary,
.bca-mobile-cta .bca-btn--primary {
  border: 2px solid #ffffff !important;
  box-shadow: 0 0 0 2px rgba(8, 168, 224, 0.45), 0 4px 18px rgba(8, 168, 224, 0.3);
}

#bca-header-btn-apply:hover,
.bca-header-cta .bca-btn--primary:hover,
.bca-mobile-cta .bca-btn--primary:hover {
  border-color: #ffffff !important;
  box-shadow: 0 0 0 2.5px rgba(8, 168, 224, 0.65), 0 8px 26px rgba(8, 168, 224, 0.45);
  transform: translateY(-2px);
}

/* ── Mobile Hamburger ── */
.bca-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: var(--bca-bg);
  border: 1px solid var(--bca-border);
  border-radius: var(--bca-radius-md);
  cursor: pointer;
  padding: 10px;
  flex-shrink: 0;
  transition: var(--bca-transition);
}
.bca-mobile-toggle:hover,
.bca-mobile-toggle:focus-visible {
  background: var(--bca-primary-light);
  border-color: var(--bca-primary);
  outline: none;
}
.bca-mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--bca-accent);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
  transform-origin: center;
}
.bca-mobile-toggle.is-active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.bca-mobile-toggle.is-active span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.bca-mobile-toggle.is-active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Menu Backdrop ── */
.bca-mobile-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(18, 59, 85, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 99998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.bca-mobile-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

/* ── Mobile Menu Left Slide-out Drawer ── */
.bca-mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 320px;
  max-width: 86vw;
  height: 100vh;
  height: 100dvh;
  background: var(--bca-surface);
  box-shadow: 8px 0 32px rgba(18, 59, 85, 0.25);
  z-index: 99999;
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.35s;
  display: flex;
  flex-direction: column;
}
.bca-mobile-nav.is-open {
  transform: translateX(0);
  visibility: visible;
}

.bca-mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--bca-border);
  background: var(--bca-bg);
}
.bca-mobile-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
}
.bca-mobile-close {
  background: transparent;
  border: 1px solid var(--bca-border);
  cursor: pointer;
  color: var(--bca-accent);
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--bca-radius-md);
  transition: var(--bca-transition);
}
.bca-mobile-close:hover,
.bca-mobile-close:focus-visible {
  background: var(--bca-primary-light);
  border-color: var(--bca-primary);
  color: var(--bca-primary);
  outline: none;
}

.bca-mobile-nav-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bca-mobile-nav-body ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.bca-mobile-nav-body a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 16px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bca-text);
  border-radius: var(--bca-radius-md);
  background: var(--bca-bg);
  border: 1px solid var(--bca-border);
  transition: var(--bca-transition);
  text-decoration: none;
}
.bca-mobile-nav-body a:hover,
.bca-mobile-nav-body li.current-menu-item > a,
.bca-mobile-nav-body li.current_page_item > a {
  color: var(--bca-primary);
  background: var(--bca-primary-light);
  border-color: var(--bca-primary);
}
.bca-mobile-nav-body .sub-menu {
  padding: 6px 0 6px 14px;
  gap: 4px;
}
.bca-mobile-nav-body .sub-menu a {
  font-weight: 500;
  font-size: 0.88rem;
  color: var(--bca-muted);
  background: transparent;
  border: 1px solid transparent;
  padding: 10px 14px;
}
.bca-mobile-nav-body .sub-menu a:hover {
  color: var(--bca-primary);
  background: var(--bca-primary-light);
  border-color: rgba(8, 168, 224, 0.2);
}

.bca-mobile-cta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--bca-border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bca-mobile-cta .bca-btn {
  justify-content: center;
  width: 100%;
}

.bca-mobile-quick-contacts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.bca-mobile-contact-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 12px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--bca-accent);
  background: var(--bca-bg);
  border: 1px solid var(--bca-border);
  border-radius: var(--bca-radius-pill);
  text-decoration: none;
  transition: var(--bca-transition);
}
.bca-mobile-contact-pill:hover {
  background: var(--bca-surface);
  border-color: var(--bca-primary);
  color: var(--bca-primary);
}
.bca-mobile-contact-pill--wa {
  color: #058550;
  border-color: rgba(37, 211, 102, 0.35);
  background: rgba(37, 211, 102, 0.08);
}
.bca-mobile-contact-pill--wa:hover {
  background: #25d366;
  color: #ffffff;
  border-color: #25d366;
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1023px) {
  .bca-nav { display: none; }
  .bca-header-cta { display: none; }
  .bca-mobile-toggle { display: flex; }
  .bca-header-inner { padding: 12px 20px; }
  .bca-logo img { height: 56px; }
  .bca-header.bca-header--scrolled .bca-logo img { height: 50px; }
}

@media (max-width: 768px) {
  .bca-topbar { padding: 6px 0; font-size: 0.78rem; }
  .bca-topbar-inner { padding: 0 16px; }
  .bca-topbar-contact { gap: 14px; }
  .bca-topbar-contact a[href^="mailto:"] { display: none; }
}

@media (max-width: 600px) {
  .bca-topbar-inner { padding: 0 14px; }
  .bca-topbar-accreditation,
  .bca-topbar-badge { display: none; }
  .bca-topbar-contact { justify-content: space-between; width: 100%; }
  .bca-header-inner { padding: 10px 14px; }
  .bca-logo img { height: 48px; }
  .bca-header.bca-header--scrolled .bca-logo img { height: 44px; }
}

@media (max-width: 380px) {
  .bca-topbar-contact a span,
  .bca-topbar-contact a:nth-child(2) span { font-size: 0.74rem; }
  .bca-logo img { height: 42px; }
}