/**
 * AETERNO shared mobile navigation
 * Hamburger + drawer for platform / console / modules
 * BUILD: 2026-07-27-nav-v1.0
 */
.nav-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  margin: 0;
  border: 1px solid rgba(201, 168, 76, 0.35);
  background: rgba(201, 168, 76, 0.06);
  cursor: pointer;
  flex-shrink: 0;
  border-radius: 2px;
  z-index: 220;
}
.nav-burger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: #C9A84C;
  transition: transform 0.25s ease, opacity 0.2s ease;
  transform-origin: center;
}
.nav-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 240;
  background: rgba(2, 2, 8, 0.72);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 250;
  width: min(360px, 88vw);
  height: 100%;
  background: linear-gradient(180deg, #0A0A14 0%, #07070E 100%);
  border-left: 1px solid rgba(201, 168, 76, 0.22);
  box-shadow: -24px 0 60px rgba(0, 0, 0, 0.55);
  padding: 88px 24px 32px;
  overflow-y: auto;
  transform: translateX(104%);
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
html.nav-drawer-open {
  overflow: hidden;
}
html.nav-drawer-open .nav-backdrop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
html.nav-drawer-open .nav-drawer {
  transform: translateX(0);
}

.nav-drawer-head {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(201, 168, 76, 0.15);
}
.nav-drawer-title {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  letter-spacing: 6px;
  color: #C9A84C;
  font-weight: 300;
}
.nav-drawer-sub {
  display: block;
  margin-top: 6px;
  font-family: 'Space Mono', 'Lexend', monospace;
  font-size: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(240, 237, 230, 0.45);
}
.nav-drawer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.nav-drawer-links a {
  display: block;
  padding: 14px 12px;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-decoration: none;
  color: rgba(240, 237, 230, 0.72);
  border-left: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.nav-drawer-links a:hover,
.nav-drawer-links a:focus-visible {
  color: #F0EDE6;
  border-left-color: #C9A84C;
  background: rgba(201, 168, 76, 0.06);
  outline: none;
}
.nav-drawer-actions {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid rgba(201, 168, 76, 0.15);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.nav-drawer-cta {
  display: block;
  text-align: center;
  font-size: 10px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-decoration: none;
  color: #04040A;
  background: #C9A84C;
  padding: 14px 18px;
  transition: background 0.2s;
}
.nav-drawer-cta:hover { background: #DFC06A; }
.nav-drawer-install {
  display: block;
  width: 100%;
  font-family: inherit;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #C9A84C;
  background: transparent;
  border: 1px solid rgba(201, 168, 76, 0.4);
  padding: 12px 16px;
  cursor: pointer;
}
.nav-drawer-install[hidden] { display: none !important; }

/* Module page headers (dental / integrative / vet …) */
header.aeterno-module-header,
.aeterno-module-header {
  position: relative;
}
header .nav-burger {
  margin-left: auto;
}

/* Module pages have no desktop link row — keep burger available */
header.aeterno-module-header .nav-burger,
.aeterno-module-header .nav-burger {
  display: flex;
}

@media (max-width: 1024px) {
  .nav-burger { display: flex; }

  /* Keep brand + burger + slim actions; hide desktop link row */
  nav .nav-links {
    display: none !important;
  }

  /* De-clutter header: hide Install + primary CTA on narrow screens (they live in drawer) */
  nav .nav-pwa-actions .aeterno-pwa-install,
  nav .nav-pwa-actions .nav-cta {
    display: none !important;
  }

  nav .nav-pwa-actions {
    gap: 8px;
  }

  nav {
    padding-left: 20px !important;
    padding-right: 16px !important;
    gap: 10px;
  }

  .nav-wordmark {
    letter-spacing: 4px !important;
    font-size: 17px !important;
  }
}

@media (max-width: 640px) {
  .nav-eye { width: 32px !important; height: 32px !important; }
  .nav-wordmark { letter-spacing: 3px !important; font-size: 15px !important; }
  header .live,
  .aeterno-module-header .live {
    display: none;
  }
}