/* Contents Thread — classic main-nav reimagine
   Thin closed chrome. Cool room on open. Two hairlines ↔ X in place.
   Load after rajiv-styles (and after home-hero on the homepage). */

:root {
  --thread-cool: #f4f4f2;
  --thread-ink: #111;
  --thread-ink-soft: rgba(17, 17, 17, 0.55);
  --thread-h: 3.15rem;
}

/*
  Keep the layout width constant. Classic scrollbars take space; if that
  space appears/disappears when the room opens, the control jumps.
  Always reserve the gutter — do not add open-state padding math.
*/
html {
  scrollbar-gutter: stable;
  overflow-y: scroll;
}

/* —— Closed thread: quieter bar, mark under name —— */
.main-nav {
  padding: 0.45rem 0;
  background-color: rgba(250, 245, 234, 0.92);
  box-shadow: none;
}

.main-nav.scrolled {
  box-shadow: none;
}

.main-nav .site-logo {
  font-family: "Inter Tight", "Inter", system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  --logo-mark-size: 1em;
  --logo-mark-gap: 0.5em;
  color: var(--thread-ink);
}

.main-nav .site-logo:hover,
.main-nav .site-logo:focus-visible {
  color: var(--thread-ink);
  opacity: 0.72;
}

@media (min-width: 769px) {
  .main-nav .nav-links {
    gap: clamp(0.85rem, 1.8vw, 1.35rem);
  }

  .main-nav .nav-links li a,
  .main-nav .nav-links li a:hover,
  .main-nav .nav-links li a.active,
  .home-page .main-nav .nav-links li a,
  .home-page .main-nav .nav-links li a:hover,
  .home-page .main-nav .nav-links li a.active,
  .library-page .main-nav .nav-links li a.active,
  .library-index .main-nav .nav-links li a.active,
  .portrait-page .main-nav .nav-links li a.active,
  .contact-page .main-nav .nav-links li a.active,
  .post-page .main-nav .nav-links li a.active,
  .topic-page .main-nav .nav-links li a.active {
    font-family: "Inter Tight", "Inter", system-ui, sans-serif !important;
    font-size: 0.72rem !important;
    font-weight: 500 !important;
    letter-spacing: 0.06em !important;
    text-transform: uppercase !important;
    color: rgba(17, 17, 17, 0.42) !important;
    background: none !important;
    background-color: transparent !important;
    box-shadow: none !important;
    padding: 0.2rem 0 !important;
    margin: 0 !important;
    border-radius: 0 !important;
  }

  .main-nav .nav-links li a:hover,
  .main-nav .nav-links li a:focus-visible,
  .home-page .main-nav .nav-links li a:hover {
    color: var(--thread-ink) !important;
  }

  .main-nav .nav-links li a.active,
  .home-page .main-nav .nav-links li a.active,
  .library-page .main-nav .nav-links li a.active,
  .library-index .main-nav .nav-links li a.active,
  .portrait-page .main-nav .nav-links li a.active,
  .contact-page .main-nav .nav-links li a.active,
  .post-page .main-nav .nav-links li a.active,
  .topic-page .main-nav .nav-links li a.active {
    color: var(--thread-ink) !important;
    font-weight: 600 !important;
  }

  .main-nav .nav-links li a::after,
  .main-nav .nav-links li a:hover::after,
  .main-nav .nav-links li a.active::after,
  .home-page .main-nav .nav-links li a.active::after,
  .library-page .main-nav .nav-links li a.active::after,
  .library-index .main-nav .nav-links li a.active::after,
  .portrait-page .main-nav .nav-links li a.active::after,
  .contact-page .main-nav .nav-links li a.active::after,
  .post-page .main-nav .nav-links li a.active::after,
  .topic-page .main-nav .nav-links li a.active::after {
    display: none !important;
    content: none !important;
    width: 0 !important;
    background: none !important;
  }
}

/* —— Two hairlines ↔ X (same center, same hit box) —— */
.main-nav .menu-toggle {
  width: 2rem !important;
  height: 2rem !important;
  padding: 0 !important;
  margin: 0 -0.15rem 0 auto !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  display: none;
  align-items: center;
  justify-content: center;
  position: relative !important;
  top: auto !important;
  right: auto !important;
  transform: none !important;
}

@media (max-width: 768px) {
  .main-nav .menu-toggle {
    display: inline-flex !important;
  }
}

.main-nav .menu-toggle .hamburger {
  position: absolute !important;
  left: 50%;
  top: 50%;
  width: 1.05rem !important;
  height: 1.5px !important;
  margin: 0 0 0 -0.525rem !important;
  border-radius: 1px;
  background: rgba(17, 17, 17, 0.72) !important;
  box-shadow: none !important;
  transform-origin: center center;
  transition:
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    background 0.2s ease !important;
  opacity: 1 !important;
}

.main-nav .menu-toggle .hamburger:nth-child(1) {
  transform: translateY(-3.25px) !important;
}

.main-nav .menu-toggle .hamburger:nth-child(2) {
  transform: translateY(3.25px) !important;
}

.main-nav .menu-toggle .hamburger:nth-child(3) {
  display: none !important;
}

.main-nav .menu-toggle:hover .hamburger,
.main-nav .menu-toggle:focus-visible .hamburger {
  background: var(--thread-ink) !important;
}

.main-nav .menu-toggle.active .hamburger:nth-child(1),
body.contents-open .main-nav .menu-toggle .hamburger:nth-child(1) {
  transform: translateY(0) rotate(45deg) !important;
}

.main-nav .menu-toggle.active .hamburger:nth-child(2),
body.contents-open .main-nav .menu-toggle .hamburger:nth-child(2) {
  transform: translateY(0) rotate(-45deg) !important;
}

.main-nav .menu-toggle.active .hamburger,
body.contents-open .main-nav .menu-toggle .hamburger {
  background: var(--thread-ink) !important;
  box-shadow: none !important;
  opacity: 1 !important;
}

/* —— Mobile room —— */
@media (max-width: 768px) {
  html.contents-open,
  html:has(.nav-links.active) {
    /* Keep the vertical scrollbar track; only stop page scroll */
    overflow-y: scroll;
  }

  body.contents-open,
  body:has(.nav-links.active) {
    overflow: hidden;
  }

  body.contents-open .main-nav,
  body.contents-open .main-nav.scrolled,
  body:has(.nav-links.active) .main-nav,
  body:has(.nav-links.active) .main-nav.scrolled,
  body.home-page.home-hero-active.contents-open .main-nav,
  body.home-page.home-hero-active.contents-open .main-nav.scrolled,
  body.home-page.home-hero-active:has(.nav-links.active) .main-nav,
  body.home-page.home-hero-active:has(.nav-links.active) .main-nav.scrolled {
    background: var(--thread-cool) !important;
    background-color: var(--thread-cool) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
    border: 0 !important;
    border-bottom: 1px solid rgba(17, 17, 17, 0.08) !important;
  }

  body.contents-open .main-nav .site-logo,
  body:has(.nav-links.active) .main-nav .site-logo,
  body.home-page.home-hero-active.contents-open .main-nav .site-logo,
  body.home-page.home-hero-active:has(.nav-links.active) .main-nav .site-logo {
    color: var(--thread-ink) !important;
    position: relative;
    z-index: 1002;
  }

  body.contents-open .main-nav .site-logo__mark,
  body:has(.nav-links.active) .main-nav .site-logo__mark,
  body.home-page.home-hero-active.contents-open .main-nav .site-logo__mark,
  body.home-page.home-hero-active:has(.nav-links.active) .main-nav .site-logo__mark {
    opacity: 1 !important;
    filter: none !important;
  }

  body.contents-open .main-nav .menu-toggle,
  body:has(.nav-links.active) .main-nav .menu-toggle {
    position: relative;
    z-index: 1002;
  }

  body.home-page.home-hero-active.contents-open .main-nav .menu-toggle .hamburger,
  body.home-page.home-hero-active:has(.nav-links.active) .main-nav .menu-toggle .hamburger {
    background: var(--thread-ink) !important;
  }

  .mobile-menu-overlay.active {
    background: transparent !important;
    pointer-events: none !important;
  }

  .main-nav .nav-links.active,
  body.home-page.home-hero-active .main-nav .nav-links.active {
    display: flex !important;
    visibility: visible !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: stretch !important;
    gap: 0 !important;
    position: fixed !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    max-height: none !important;
    min-height: 100% !important;
    margin: 0 !important;
    padding: calc(var(--thread-h) + env(safe-area-inset-top, 0px))
      clamp(1.35rem, 5vw, 2.25rem)
      calc(2.5rem + env(safe-area-inset-bottom, 0px)) !important;
    background: var(--thread-cool) !important;
    background-color: var(--thread-cool) !important;
    backdrop-filter: none !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    z-index: 1000 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch;
    opacity: 1 !important;
    transform: none !important;
    clip-path: inset(0 0 100% 0);
    animation: contents-field-rise 0.48s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  }

  .main-nav .nav-links.active::after {
    display: none !important;
    content: none !important;
  }

  .main-nav .nav-links.active .mobile-social-icons {
    display: none !important;
  }

  .main-nav .nav-links.active li {
    margin: 0 !important;
    padding: 0 !important;
    list-style: none;
    opacity: 1;
  }

  .main-nav .nav-links.active li::after {
    display: none !important;
    content: none !important;
  }

  .main-nav .nav-links.active li a,
  .main-nav .nav-links.active li a:hover,
  .main-nav .nav-links.active li a:focus-visible,
  .main-nav .nav-links.active li a.active,
  .main-nav .nav-links.active li a.active:hover,
  .home-page .main-nav .nav-links.active li a,
  .home-page .main-nav .nav-links.active li a:hover,
  .home-page .main-nav .nav-links.active li a.active,
  body.home-page.home-hero-active .main-nav .nav-links.active li a,
  body.home-page.home-hero-active .main-nav .nav-links.active li a:hover,
  body.home-page.home-hero-active .main-nav .nav-links.active li a.active {
    display: block !important;
    position: relative !important;
    margin: 0 !important;
    padding: 0.72rem 0 !important;
    border: 0 !important;
    border-radius: 0 !important;
    background: none !important;
    background-color: transparent !important;
    box-shadow: none !important;
    font-family: "Lora", Georgia, serif !important;
    font-size: clamp(1.45rem, 5.2vw, 1.85rem) !important;
    font-weight: 500 !important;
    font-style: normal !important;
    letter-spacing: -0.025em !important;
    line-height: 1.2 !important;
    text-transform: none !important;
    color: var(--thread-ink) !important;
    text-align: left !important;
    transform: none !important;
    opacity: 0;
    animation: contents-link-fade 0.42s ease forwards;
  }

  .main-nav .nav-links.active li:nth-child(1) a { animation-delay: 0.14s; }
  .main-nav .nav-links.active li:nth-child(2) a { animation-delay: 0.225s; }
  .main-nav .nav-links.active li:nth-child(3) a { animation-delay: 0.31s; }
  .main-nav .nav-links.active li:nth-child(4) a { animation-delay: 0.395s; }
  .main-nav .nav-links.active li:nth-child(5) a { animation-delay: 0.48s; }
  .main-nav .nav-links.active li:nth-child(6) a { animation-delay: 0.565s; }

  .main-nav .nav-links.active li a::after,
  .main-nav .nav-links.active li a:hover::after,
  .main-nav .nav-links.active li a.active::after,
  .home-page .main-nav .nav-links.active li a.active::after,
  body.home-page.home-hero-active .main-nav .nav-links.active li a::after,
  body.home-page.home-hero-active .main-nav .nav-links.active li a.active::after {
    display: none !important;
    content: none !important;
    background: none !important;
    opacity: 0 !important;
  }

  .main-nav .nav-links.active li a:hover,
  .main-nav .nav-links.active li a:focus-visible {
    color: var(--thread-ink-soft) !important;
    font-weight: 500 !important;
    outline: none;
  }

  .main-nav .nav-links.active li a.active {
    color: var(--thread-ink) !important;
    font-weight: 600 !important;
  }
}

@keyframes contents-field-rise {
  from { clip-path: inset(0 0 100% 0); }
  to { clip-path: inset(0 0 0 0); }
}

@keyframes contents-link-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

@media (max-width: 768px) and (prefers-reduced-motion: reduce) {
  .main-nav .nav-links.active {
    animation: none !important;
    clip-path: none !important;
  }

  .main-nav .nav-links.active li a {
    animation: none !important;
    opacity: 1 !important;
  }

  .main-nav .menu-toggle .hamburger {
    transition: none !important;
  }
}

/* Hero weather: quiet light chrome until room opens */
body.home-page.home-hero-active .main-nav .site-logo {
  color: rgba(247, 237, 220, 0.78) !important;
}

body.home-page.home-hero-active .main-nav .site-logo__mark {
  filter: invert(0.92) sepia(0.1) hue-rotate(340deg) brightness(1.05);
  opacity: 0.85;
}

body.home-page.home-hero-active .main-nav .menu-toggle .hamburger {
  background: rgba(247, 237, 220, 0.5) !important;
}

body.home-page.home-hero-active .main-nav .menu-toggle:hover .hamburger,
body.home-page.home-hero-active .main-nav .menu-toggle:focus-visible .hamburger {
  background: rgba(247, 237, 220, 0.78) !important;
}

@media (max-width: 720px) {
  body.home-page.home-hero-active .main-nav .nav-links:not(.active) {
    background: transparent !important;
  }
}