/* ========================================
   NAVIGATION
   ======================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 40px;
  transition: all 0.4s ease;
}

.nav-inner {
  max-width: 1320px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px solid transparent;
  transition: all 0.4s ease;
}

.nav.scrolled {
  background: rgba(248, 245, 240, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.nav.scrolled .nav-inner {
  padding: 16px 0;
  border-bottom-color: var(--paper-border);
}

.nav-logo {
  font-family: var(--sans);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-light);
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  width: 100%;
}

.nav-cta {
  font-size: 0.8125rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white) !important;
  background: var(--ink);
  padding: 10px 24px;
  border-radius: 2px;
  transition: background 0.3s ease, transform 0.2s ease !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--accent) !important;
  color: var(--white) !important;
  transform: translateY(-1px);
}

/* Dark hero variant — add .nav-dark to <nav> on pages with dark heroes */
.nav-dark .nav-logo svg path {
  fill: rgba(255, 252, 248, 0.7);
  transition: fill 0.4s ease;
}

.nav-dark .nav-links a {
  color: rgba(255, 252, 248, 0.55);
}

.nav-dark .nav-links a:hover {
  color: rgba(255, 252, 248, 0.9);
}

.nav-dark .nav-cta {
  background: var(--accent) !important;
  color: var(--white) !important;
}

.nav-dark .nav-cta:hover {
  background: var(--white) !important;
  color: var(--ink) !important;
}

.nav-dark .nav-mobile-toggle span {
  background: rgba(255, 252, 248, 0.7);
}

/* Revert to normal once scrolled (light background kicks in) */
.nav-dark.scrolled .nav-logo svg path {
  fill: black;
}

.nav-dark.scrolled .nav-links a {
  color: var(--ink-light);
}

.nav-dark.scrolled .nav-links a:hover {
  color: var(--ink);
}

.nav-dark.scrolled .nav-cta {
  background: var(--ink) !important;
  color: var(--white) !important;
}

.nav-dark.scrolled .nav-cta:hover {
  background: var(--accent) !important;
  color: var(--white) !important;
}

.nav-dark.scrolled .nav-mobile-toggle span {
  background: var(--ink);
}

/* ========================================
   DROPDOWN MENUS
   ======================================== */

.nav-item {
  position: relative;
}

.nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav-caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  vertical-align: middle;
  transition: transform 0.3s ease;
}

.nav-has-dropdown:hover .nav-caret {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 240px;
  padding: 12px;
  background: rgba(248, 245, 240, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--paper-border);
  border-radius: 4px;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  z-index: 1001;
}

/* Hover bridge so the menu doesn't close in the gap */
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 8px;
}

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

.nav-dropdown-link {
  display: block;
  padding: 9px 12px;
  font-size: 0.8125rem !important;
  font-weight: 500;
  letter-spacing: 0.02em !important;
  text-transform: none !important;
  color: var(--ink-light) !important;
  border-radius: 3px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-dropdown-link::after {
  display: none !important;
}

.nav-dropdown-link:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--ink) !important;
}

.nav-dropdown-heading {
  display: block;
  padding: 12px 12px 4px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-lighter, #9a938a);
}

/* Dropdown panel stays light even under nav-dark (it sits on paper) */
.nav-dark .nav-dropdown-toggle .nav-caret {
  color: inherit;
}

/* Dropdowns on mobile: render inline & always-open under their toggle
   (the per-page 768px query turns .nav-links.open into a full-screen column) */
@media (max-width: 768px) {
  .nav-item {
    text-align: center;
  }

  .nav-has-dropdown .nav-caret {
    display: none;
  }

  .nav-dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    min-width: 0;
    margin-top: 10px;
    padding: 0;
    background: none;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    gap: 6px;
    align-items: center;
  }

  .nav-dropdown-link {
    font-size: 0.9rem !important;
  }

  .nav-dropdown-heading {
    padding: 6px 0 2px;
  }
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: all 0.3s ease;
}