/* =============================================================================
   Scalient – Header & Navigation Styles
   Covers: site header, logo, desktop nav, dropdowns, mobile toggle,
           mobile menu drawer, overlay, all responsive breakpoints.
   ============================================================================= */

/* ── 1. Site Header Container ────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition:
    background-color var(--dur-base) var(--ease-out),
    border-color      var(--dur-base) var(--ease-out),
    transform         0.4s           var(--ease-out),
    box-shadow        var(--dur-base) var(--ease-out);
  will-change: transform, background-color;
}

/* Scrolled state — frosted glass */
.site-header.header--scrolled {
  background-color: rgba(10, 10, 15, 0.88);
  backdrop-filter: blur(24px) saturate(180%) brightness(0.95);
  -webkit-backdrop-filter: blur(24px) saturate(180%) brightness(0.95);
  border-color: rgba(255, 255, 255, 0.07);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 4px 32px rgba(0, 0, 0, 0.4);
}

/* Hidden on scroll-down, revealed on scroll-up */
.site-header.header--hidden {
  transform: translateY(-110%);
}

/* Push page content down so it doesn't slide under the fixed header */
body {
  padding-top: var(--header-h);
}

/* On pages where the hero spans full viewport (front page), remove padding
   so the hero starts at top-0 behind the transparent header */
body.has-hero-overlay {
  padding-top: 0;
}

/* ── 2. Header Inner Layout ──────────────────────────────────────────────── */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
  width: 100%;
}

/* ── 3. Logo ─────────────────────────────────────────────────────────────── */
.site-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  outline-offset: 4px;
}

/* WordPress custom_logo output */
.logo-link .custom-logo-link {
  display: flex;
  align-items: center;
}

.logo-link .custom-logo {
  height: 36px;
  width: auto;
  display: block;
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out);
}

.logo-link:hover .custom-logo {
  opacity: 0.85;
  transform: scale(1.02);
}

/* Text fallback when no custom logo is set */
.logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: var(--fw-extrabold);
  color: var(--clr-white);
  letter-spacing: -0.04em;
  line-height: 1;
  background: var(--clr-gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity var(--dur-base) var(--ease-out);
}

.logo-link:hover .logo-text {
  opacity: 0.85;
}

/* ── 4. Desktop Navigation ───────────────────────────────────────────────── */
.site-nav {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ── 5. Nav Items ────────────────────────────────────────────────────────── */
.nav-menu > .menu-item {
  position: relative;
  display: flex;
  align-items: center;
}

/* ── 6. Nav Links ────────────────────────────────────────────────────────── */
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.45rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  position: relative;
  transition:
    color       var(--dur-fast) var(--ease-out),
    background  var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
  outline: none;
}

/* Animated underline */
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0.85rem;
  right: 0.85rem;
  height: 1.5px;
  background: var(--clr-primary);
  border-radius: var(--r-full);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s var(--ease-out);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--clr-white);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleX(1);
}

/* Active / current page state */
.nav-link--active,
.current-menu-item > .nav-link,
.current-menu-ancestor > .nav-link,
.current-page-ancestor > .nav-link {
  color: var(--clr-white) !important;
  background: rgba(108, 99, 255, 0.1);
  border-color: rgba(108, 99, 255, 0.2);
}

.nav-link--active::after,
.current-menu-item > .nav-link::after {
  transform: scaleX(1);
}

/* ── 7. Chevron icon inside nav link ─────────────────────────────────────── */
.nav-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.25s var(--ease-out);
  color: rgba(255, 255, 255, 0.45);
  margin-left: 0.1rem;
}

.has-dropdown:hover > .nav-link .nav-chevron,
.has-dropdown.is-active > .nav-link .nav-chevron {
  transform: rotate(180deg);
  color: rgba(255, 255, 255, 0.8);
}

/* ── 8. Dropdown Sub-menu ────────────────────────────────────────────────── */
.nav-menu .sub-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  min-width: 220px;
  background: rgba(18, 18, 31, 0.96);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--r-xl);
  padding: var(--sp-2) var(--sp-2);
  list-style: none;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity    0.22s var(--ease-out),
    transform  0.22s var(--ease-out),
    visibility 0.22s;
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  z-index: 100;
}

/* Dropdown arrow pointer */
.nav-menu .sub-menu::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 10px;
  height: 10px;
  background: rgba(18, 18, 31, 0.96);
  border-left: 1px solid rgba(255, 255, 255, 0.09);
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  rotate: 45deg;
}

/* Open state — toggled by navigation.js */
.nav-menu .sub-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

/* ── 9. Dropdown Items ───────────────────────────────────────────────────── */
.sub-menu .menu-item {
  display: block;
  width: 100%;
}

.sub-menu .dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 0.6rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.7);
  border-radius: var(--r-md);
  text-decoration: none;
  transition:
    color       var(--dur-fast) var(--ease-out),
    background  var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}

.sub-menu .dropdown-link:hover,
.sub-menu .dropdown-link:focus-visible,
.sub-menu .current-menu-item > .dropdown-link {
  color: var(--clr-white);
  background: rgba(108, 99, 255, 0.12);
}

/* Dot indicator on active sub-item */
.sub-menu .current-menu-item > .dropdown-link::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-primary);
  flex-shrink: 0;
}

/* ── 10. Header Right – Actions ──────────────────────────────────────────── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-shrink: 0;
}

/* Override default .btn sizing inside the header */
.header-actions .header-cta {
  font-size: 0.8125rem;
  padding: 0.6rem 1.3rem;
  border-radius: var(--r-full);
}

/* ── 11. Mobile Toggle Button ────────────────────────────────────────────── */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  gap: 5px;
  padding: 0;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition:
    background  var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
  position: relative;
  z-index: 1010;
}

.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--clr-border-light);
}

.mobile-toggle__line {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--clr-white);
  border-radius: var(--r-full);
  transition:
    transform var(--dur-base) var(--ease-out),
    opacity   var(--dur-base) var(--ease-out),
    width     var(--dur-base) var(--ease-out);
  transform-origin: center center;
}

/* Animate to X when menu is open */
.mobile-toggle[aria-expanded="true"] .mobile-toggle__line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .mobile-toggle__line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-toggle[aria-expanded="true"] .mobile-toggle__line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ── 12. Mobile Menu Overlay ─────────────────────────────────────────────── */
.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1005;
  opacity: 0;
  visibility: hidden;
  transition:
    opacity    var(--dur-base) var(--ease-out),
    visibility var(--dur-base);
}

.menu-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* ── 13. Mobile Menu Drawer ──────────────────────────────────────────────── */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(380px, 92vw);
  background: var(--clr-bg-secondary);
  border-left: 1px solid var(--clr-border);
  z-index: 1020;
  display: flex;
  flex-direction: column;
  transform: translateX(110%);
  transition: transform 0.45s var(--ease-out);
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

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

/* ── 14. Mobile Menu Header ──────────────────────────────────────────────── */
.mobile-menu__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-6) var(--sp-6);
  border-bottom: 1px solid var(--clr-border);
  height: var(--header-h);
  flex-shrink: 0;
}

.mobile-menu__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.04em;
  color: var(--clr-white);
  background: var(--clr-gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

.mobile-menu__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--clr-border);
  color: var(--clr-white);
  cursor: pointer;
  transition:
    background  var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.mobile-menu__close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--clr-border-light);
}

/* ── 15. Mobile Nav Body ─────────────────────────────────────────────────── */
.mobile-menu__body {
  flex: 1;
  padding: var(--sp-6) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  overflow-y: auto;
}

/* ── 16. Mobile Nav Menu ─────────────────────────────────────────────────── */
.mobile-nav-menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

/* Top-level items */
.mobile-nav-menu > .menu-item {
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* Mobile nav link */
.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem var(--sp-4);
  font-size: var(--text-base);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  border-radius: var(--r-lg);
  border: 1px solid transparent;
  transition:
    color        var(--dur-fast) var(--ease-out),
    background   var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
  width: 100%;
}

.mobile-nav-link:hover,
.mobile-nav-link:focus-visible {
  color: var(--clr-white);
  background: rgba(255, 255, 255, 0.06);
}

/* Active mobile link */
.mobile-nav-menu .current-menu-item > .mobile-nav-link,
.mobile-nav-menu .current-menu-ancestor > .mobile-nav-link {
  color: var(--clr-primary);
  background: rgba(108, 99, 255, 0.1);
  border-color: rgba(108, 99, 255, 0.2);
}

/* Chevron for mobile dropdown trigger */
.mobile-nav-link .mobile-chevron {
  display: flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.4);
  transition: transform 0.25s var(--ease-out);
  flex-shrink: 0;
}

/* Rotate chevron when sub-menu is open */
.mobile-nav-menu .menu-item.is-open > .mobile-nav-link .mobile-chevron {
  transform: rotate(180deg);
  color: rgba(255, 255, 255, 0.7);
}

/* ── 17. Mobile Sub-menus ────────────────────────────────────────────────── */
.mobile-nav-menu .sub-menu {
  list-style: none;
  margin: var(--sp-1) 0 0 0;
  padding: 0 0 0 var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s var(--ease-out);
}

.mobile-nav-menu .menu-item.is-open > .sub-menu {
  max-height: 500px;
}

/* Sub-menu items */
.mobile-nav-menu .sub-menu .menu-item {
  display: block;
}

.mobile-nav-menu .sub-menu .dropdown-link {
  display: flex;
  align-items: center;
  padding: 0.6rem 0.85rem;
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: rgba(255, 255, 255, 0.6);
  border-radius: var(--r-md);
  text-decoration: none;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  margin-left: var(--sp-2);
  transition:
    color      var(--dur-fast) var(--ease-out),
    background var(--dur-fast) var(--ease-out);
}

.mobile-nav-menu .sub-menu .dropdown-link:hover {
  color: var(--clr-white);
  background: rgba(255, 255, 255, 0.05);
}

/* ── 18. Mobile Menu Divider ─────────────────────────────────────────────── */
.mobile-menu__divider {
  height: 1px;
  background: var(--clr-border);
  margin: var(--sp-4) 0;
}

/* ── 19. Mobile Menu Footer CTA ──────────────────────────────────────────── */
.mobile-menu__footer {
  padding: var(--sp-6) var(--sp-6);
  border-top: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  flex-shrink: 0;
}

.mobile-menu__footer .btn {
  width: 100%;
  justify-content: center;
  font-size: var(--text-base);
  padding: 0.9rem 1.5rem;
}

/* Social links in mobile footer */
.mobile-social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  margin-top: var(--sp-2);
}

.mobile-social__link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--r-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  transition:
    color        var(--dur-fast) var(--ease-out),
    background   var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out);
}

.mobile-social__link:hover {
  color: var(--clr-white);
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--clr-border-light);
}

/* ── 20. Search form in header (optional) ────────────────────────────────── */
.header-search {
  position: relative;
  display: none;
}

.header-search__input {
  width: 240px;
  padding: 0.45rem 2.5rem 0.45rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-full);
  color: var(--clr-white);
  font-size: var(--text-sm);
  transition:
    border-color var(--dur-base) var(--ease-out),
    background   var(--dur-base) var(--ease-out),
    width        var(--dur-base) var(--ease-out);
}

.header-search__input:focus {
  outline: none;
  border-color: var(--clr-primary);
  background: rgba(255, 255, 255, 0.08);
}

.header-search__input::placeholder {
  color: var(--clr-text-muted);
}

.header-search__btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  color: var(--clr-text-muted);
  cursor: pointer;
  padding: 0;
  background: transparent;
  border: none;
}

/* ── 21. Announcement bar (optional — above header) ──────────────────────── */
.announcement-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: linear-gradient(90deg, var(--clr-primary) 0%, var(--clr-accent) 100%);
  color: var(--clr-white);
  text-align: center;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  padding: 0.45rem var(--sp-4);
  letter-spacing: 0.04em;
  display: none; /* Enable via JS or PHP if needed */
}

.announcement-bar + .site-header {
  top: 34px;
}

/* ── 22. Breakpoints ─────────────────────────────────────────────────────── */

/* Tablet: hide desktop nav, show mobile toggle */
@media (max-width: 1024px) {
  .site-nav {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .header-actions .header-cta {
    display: none;
  }
}

/* Small tablet: slightly tighten header */
@media (max-width: 768px) {
  :root {
    --header-h: 68px;
  }

  .header-inner {
    gap: var(--sp-4);
  }
}

/* Mobile */
@media (max-width: 480px) {
  :root {
    --header-h: 64px;
  }

  .mobile-menu {
    width: 100vw;
    border-left: none;
  }
}

/* Wide screens: expand nav spacing */
@media (min-width: 1280px) {
  .nav-menu {
    gap: var(--sp-2);
  }

  .nav-link {
    padding: 0.5rem 1rem;
    font-size: calc(var(--text-sm) + 0.01rem);
  }
}