/* ============================================================
   nav.css — Floating Navigation + Mobile Menu
   ============================================================ */

/* ── Base Nav ────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.75rem 3rem;
  transition: padding var(--dur-med) var(--ease-out),
    background var(--dur-med) var(--ease-out),
    backdrop-filter var(--dur-med) var(--ease-out);
}

/* Scrolled state (used on inner pages) */
.nav.is-scrolled {
  padding: 1rem 3rem;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.nav.is-scrolled .nav__link {
  color: rgba(13, 27, 42, 0.7);
}

.nav.is-scrolled .nav__logo-name {
  color: var(--navy);
}

.nav.is-scrolled .nav__link:hover,
.nav.is-scrolled .nav__link.is-active {
  color: var(--navy);
}

.nav.is-scrolled .nav__link--cta {
  color: var(--gold) !important;
  border-color: var(--border-gold);
}

.nav.is-scrolled .nav__hamburger span {
  background: var(--navy);
}

/* Inner pages — solid light nav from page load so the bar,
   links, chevron and hamburger are readable immediately,
   before any scrolling happens (homepage cinematic nav untouched) */
body.inner-page .nav {
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(201, 168, 76, 0.2);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

body.inner-page .nav__link {
  color: rgba(13, 27, 42, 0.7);
}

body.inner-page .nav__link:hover,
body.inner-page .nav__link.is-active {
  color: var(--navy);
}

body.inner-page .nav__link--cta {
  color: var(--gold) !important;
  border-color: var(--border-gold);
}

body.inner-page .nav__hamburger span {
  background: var(--navy);
}

/* On cinematic pages — always transparent */
.nav--cinematic {
  background: transparent !important;
  backdrop-filter: none !important;
  border-bottom: none !important;
}

/* ── Logo ────────────────────────────────────────────────── */
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
  flex-shrink: 0;
}

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

.nav__logo-text {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1;
}

.nav__logo-name {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--white);
  text-transform: uppercase;
}

.nav__logo-sub {
  font-family: var(--font-body);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 3px;
  font-weight: 500;
}

/* ── Desktop Links ───────────────────────────────────────── */
.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

/* li wrapper for dropdown support */
.nav__links>li {
  position: relative;
}

/* Invisible bridge so hover doesn't break when moving to dropdown */
.nav__links>li::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 1.5rem;
}

.nav__link {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out);
  padding-bottom: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--dur-med) var(--ease-out);
}

.nav__link:hover,
.nav__link.is-active {
  color: var(--white);
}

.nav__link:hover::after,
.nav__link.is-active::after {
  width: 100%;
}

.nav__link--cta {
  color: var(--gold) !important;
  border: 1px solid var(--border-gold);
  padding: 0.5em 1.25em;
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}

.nav__link--cta:hover {
  background: var(--gold);
  color: var(--navy) !important;
  border-color: var(--gold);
}

.nav__link--cta::after {
  display: none;
}

/* Dropdown chevron */
.nav__link--has-dropdown .nav__chevron {
  width: 8px;
  height: 8px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur-fast);
  display: inline-block;
  flex-shrink: 0;
}

.nav__links>li:hover .nav__link--has-dropdown .nav__chevron {
  transform: rotate(-135deg) translateY(-2px);
}

/* ── Dropdown ────────────────────────────────────────────── */
.nav__dropdown {
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 50%;
  min-width: 200px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(201, 168, 76, 0.25);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.12);
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(8px);
  transition: opacity var(--dur-fast) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
  z-index: 910;
  list-style: none;
  padding: 0.5rem 0;
}

.nav__links>li:hover .nav__dropdown {
  opacity: 1;
  pointer-events: all;
  transform: translateX(-50%) translateY(0);
}

.nav__dropdown-link {
  display: block;
  padding: 0.65rem 1.25rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: rgba(13, 27, 42, 0.65);
  transition: color var(--dur-fast), background var(--dur-fast);
  white-space: nowrap;
}

.nav__dropdown-link:hover {
  color: var(--gold);
  background: rgba(201, 168, 76, 0.06);
}

/* ── Hamburger ───────────────────────────────────────────── */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 18px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--white);
  transition: transform var(--dur-med) var(--ease-out),
    opacity var(--dur-med) var(--ease-out),
    background var(--dur-med) var(--ease-out);
  transform-origin: center;
}

/* When mobile menu is open, always show white/light hamburger */
.nav__hamburger.is-open span {
  background: var(--white) !important;
}

.nav__hamburger.is-open span:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.nav__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.is-open span:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

/* ── Mobile Drawer ───────────────────────────────────────── */
.nav__mobile {
  position: fixed;
  inset: 0;
  background: var(--navy);
  z-index: 950;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 5rem 2rem 3rem;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  transform: translateX(100%);
  transition: opacity var(--dur-med) var(--ease-out),
    transform var(--dur-med) var(--ease-out);
  overflow-y: auto;
}

.nav__mobile.is-open {
  opacity: 1;
  pointer-events: all;
  transform: none;
}

.nav__mobile-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1002;
  opacity: 0;
  transform: translateY(-10px) scale(0.8);
  transition: opacity 0.3s var(--ease-out) 0.1s,
    transform 0.3s var(--ease-out) 0.1s,
    color var(--dur-fast);
  color: var(--white);
}

.nav__mobile.is-open .nav__mobile-close {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.nav__mobile-close:hover {
  color: var(--gold);
}

.nav__mobile-close svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

/* Logo inside mobile menu */
.nav__mobile-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s var(--ease-out) 0.15s,
    transform 0.4s var(--ease-out) 0.15s;
}

.nav__mobile.is-open .nav__mobile-brand {
  opacity: 1;
  transform: translateY(0);
}

.nav__mobile-brand-img {
  width: 380px;
  height: 80px;
  object-fit: contain;
}

.nav__mobile-brand-name {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--white);
  text-transform: uppercase;
}

.nav__mobile-brand-sub {
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 500;
}

/* Divider */
.nav__mobile-divider {
  width: 2rem;
  height: 1px;
  background: var(--border-gold);
  margin: 0.5rem auto 1rem;
  opacity: 0;
  transform: scaleX(0);
  transition: opacity 0.3s var(--ease-out) 0.25s,
    transform 0.3s var(--ease-out) 0.25s;
}

.nav__mobile.is-open .nav__mobile-divider {
  opacity: 1;
  transform: scaleX(1);
}

.nav__mobile-link {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  padding: 0.45rem 1.5rem;
  transition: color var(--dur-fast);
  text-align: center;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(24px);
}

.nav__mobile.is-open .nav__mobile-link {
  opacity: 1;
  transform: translateY(0);
  transition: color var(--dur-fast),
    opacity 0.4s var(--ease-out),
    transform 0.4s var(--ease-out);
}

/* Staggered delays for mobile links (match actual child positions) */
.nav__mobile.is-open .nav__mobile-link:nth-child(4) {
  transition-delay: 0.28s, 0.28s, 0.28s;
}

.nav__mobile.is-open .nav__mobile-link:nth-child(7) {
  transition-delay: 0.36s, 0.36s, 0.36s;
}

.nav__mobile.is-open .nav__mobile-link:nth-child(8) {
  transition-delay: 0.40s, 0.40s, 0.40s;
}

.nav__mobile-link:hover {
  color: var(--gold);
}

/* About toggle button (mobile dropdown trigger) */
.nav__mobile-toggle {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  padding: 0.45rem 1.5rem;
  transition: color var(--dur-fast);
  text-align: center;
  letter-spacing: 0.02em;
  opacity: 0;
  transform: translateY(24px);
  background: none;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__mobile.is-open .nav__mobile-toggle {
  opacity: 1;
  transform: translateY(0);
  transition: color var(--dur-fast),
    opacity 0.4s var(--ease-out) 0.32s,
    transform 0.4s var(--ease-out) 0.32s;
}

.nav__mobile-toggle:hover {
  color: var(--gold);
}

.nav__mobile-toggle .nav__mobile-chevron {
  width: 10px;
  height: 10px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur-fast) var(--ease-out);
  display: inline-block;
  flex-shrink: 0;
}

.nav__mobile-toggle[aria-expanded="true"] .nav__mobile-chevron {
  transform: rotate(-135deg) translateY(-2px);
}

.nav__mobile-toggle[aria-expanded="true"] {
  color: var(--gold);
}

/* Indented sub-links (Mission, Values, Vision) — collapsible */
.nav__mobile-sub {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-bottom: 0.25rem;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-8px);
  transition: max-height 0.4s var(--ease-out),
    opacity 0.35s var(--ease-out),
    transform 0.35s var(--ease-out),
    margin 0.35s var(--ease-out);
}

.nav__mobile-sub.is-expanded {
  max-height: 300px;
  opacity: 1;
  transform: translateY(0);
  margin-bottom: 0.75rem;
}

.nav__mobile-sub-link {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.42);
  padding: 0.35rem 1.5rem;
  transition: color var(--dur-fast);
  text-align: center;
  opacity: 0;
  transform: translateY(16px);
}

.nav__mobile.is-open .nav__mobile-sub-link {
  opacity: 1;
  transform: translateY(0);
  transition: color var(--dur-fast),
    opacity 0.35s var(--ease-out),
    transform 0.35s var(--ease-out);
}

/* Staggered delays for sub-links */
.nav__mobile.is-open .nav__mobile-sub-link:nth-child(1) {
  transition-delay: 0.26s, 0.26s, 0.26s;
}

.nav__mobile.is-open .nav__mobile-sub-link:nth-child(2) {
  transition-delay: 0.30s, 0.30s, 0.30s;
}

.nav__mobile.is-open .nav__mobile-sub-link:nth-child(3) {
  transition-delay: 0.34s, 0.34s, 0.34s;
}

.nav__mobile.is-open .nav__mobile-sub-link:nth-child(4) {
  transition-delay: 0.38s, 0.38s, 0.38s;
}

.nav__mobile-sub-link:hover {
  color: var(--gold);
}

.nav__mobile-cta {
  margin-top: 1.5rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border-gold);
  padding: 0.75em 2em;
  transition: background var(--dur-fast), color var(--dur-fast);
  opacity: 0;
  transform: translateY(20px);
}

.nav__mobile.is-open .nav__mobile-cta {
  opacity: 1;
  transform: translateY(0);
  transition: background var(--dur-fast), color var(--dur-fast),
    opacity 0.4s var(--ease-out) 0.42s,
    transform 0.4s var(--ease-out) 0.42s;
}

.nav__mobile-cta:hover {
  background: var(--gold);
  color: var(--navy);
}

.nav__mobile-footer {
  position: absolute;
  bottom: 2.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cool-gray);
  opacity: 0;
  transition: opacity 0.4s var(--ease-out) 0.5s;
}

.nav__mobile.is-open .nav__mobile-footer {
  opacity: 1;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav {
    padding: 1.25rem 1.5rem;
  }

  .nav__links {
    display: none;
  }

  .nav__hamburger {
    display: flex;
  }

  .nav.is-scrolled {
    padding: 0.875rem 1.5rem;
  }
}