/* — Navigation — */
nav.site {
  position: fixed;
  top: 0; left: 0; right: var(--scrollbar-width, 0px);
  z-index: 100;
  padding: 28px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.5s var(--easing), padding 0.5s var(--easing), border-color 0.5s var(--easing);
  border-bottom: 1px solid transparent;
}

nav.site.scrolled {
  background: rgba(237, 231, 221, 0.88);
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  padding: 18px 48px;
  border-bottom-color: var(--hairline-soft);
}

.brand {
  font-family: var(--display);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.brand .mark {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clay);
  transform: translateY(-3px);
}
.brand span.three-sixty {
  font-style: italic;
  color: var(--ink-soft);
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s var(--easing);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--easing);
}
.nav-links a:hover { color: var(--ink); }
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 11px 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  transition: all 0.4s var(--easing);
}
.mobile-cta-item {
  display: none;
}

.menu-toggle { display: none; }

/* --- Menu Backdrop Overlay --- */
.menu-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(31, 27, 22, 0.3);
  z-index: 98;
  opacity: 0;
  transition: opacity 0.35s var(--easing);
}
.menu-backdrop.active {
  display: block;
  opacity: 1;
}

/* --- Mobile Hamburger Menu Animations & Dropdown Styles --- */
.menu-toggle span {
  transition: transform 0.35s var(--easing), opacity 0.35s var(--easing);
}

@media (max-width: 720px) {
  /* Prevent body scrolling when the mobile menu is open */
  body.menu-active {
    overflow: hidden;
    padding-right: var(--scrollbar-width, 0px);
  }

  /* Force solid background for navigation bar when menu is active */
  nav.site.menu-open {
    background: var(--bone) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  /* Modern drop-down glassmorphic drawer for navigation links */
  nav.site.menu-open .nav-links {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bone);
    padding: 40px 24px;
    gap: 28px;
    border-bottom: 1px solid var(--hairline);
    align-items: center;
    box-shadow: 0 16px 32px rgba(31, 27, 22, 0.08);
    z-index: 99;
    animation: menuSlideDown 0.4s var(--easing) forwards;
  }

  /* CTA alignment inside mobile menu */
  .desktop-cta {
    display: none !important;
  }
  .mobile-cta-item {
    display: block;
    width: 100%;
    text-align: center;
    margin-top: 12px;
    animation: menuSlideDown 0.4s var(--easing) 0.06s forwards;
  }
  .mobile-cta-item .nav-cta {
    display: inline-block;
    text-align: center;
    width: 100%;
    max-width: 280px;
  }

  @keyframes menuSlideDown {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Transition Hamburger bars into an 'X' close symbol */
  nav.site.menu-open .menu-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  nav.site.menu-open .menu-toggle span:nth-child(2) {
    opacity: 0;
  }
  nav.site.menu-open .menu-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }
}