/* scoopivo.com */
/* built for people who still get excited about the internet */

/* ─── reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0 }
img, video { display: block; max-width: 100% }
button { cursor: pointer; background: none; border: none; font: inherit }
a { color: inherit; text-decoration: none }
ul, ol { list-style: none }

/* ─── tokens ─────────────────────────────────────────────────────────────── */
/* color system: one palette, infinite combinations */
:root {
  --c-bg:        #f7f7f5;
  --c-surface:   #ffffff;
  --c-border:    #e5e5e2;
  --c-ink:       #1c1c1a;
  --c-muted:     #6b6b68;
  --c-subtle:    #a8a8a5;

  --c-useful:    #2563eb;
  --c-hole:      #7c3aed;
  --c-weird:     #d97706;
  --c-bookmark:  #059669;
  --c-skip:      #dc2626;

  --font-display: 'Fraunces', Georgia, serif;
  --font-sans:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'Space Mono', monospace;

  --sp-xs:  6px;
  --sp-sm:  12px;
  --sp-md:  20px;
  --sp-lg:  36px;
  --sp-xl:  60px;
  --sp-2xl: 92px;

  --radius-sm:   6px;
  --radius-md:   14px;
  /* the card radius is 14px because 12 was too sharp and 16 too bubbly */
  --radius-lg:   28px;
  --radius-pill: 999px;

  --transition:      0.22s ease;
  --transition-slow: 0.55s ease;

  --shadow-sm: 0 1px 3px rgba(28,28,26,0.07);
  --shadow-md: 0 6px 24px rgba(28,28,26,0.10);
  --shadow-lg: 0 16px 48px rgba(28,28,26,0.13);

  --nav-h: 64px;
}

/* ─── base ───────────────────────────────────────────────────────────────── */
html { scroll-behavior: smooth }
body {
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  line-height: 1.2;
  font-weight: 700;
}
p { max-width: 72ch }
strong { font-weight: 600 }
code, .mono { font-family: var(--font-mono); font-size: 0.85em }

/* ─── layout ─────────────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
}
main { padding-top: var(--nav-h) }
.section { padding: var(--sp-xl) 0 }
.section-header {
  display: flex;
  align-items: baseline;
  gap: var(--sp-md);
  margin-bottom: var(--sp-lg);
}
.section-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
}
.section-link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-muted);
  border-bottom: 1px solid var(--c-border);
  transition: color var(--transition), border-color var(--transition);
}
.section-link:hover { color: var(--c-ink); border-color: var(--c-ink) }

/* ─── header ─────────────────────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  z-index: 100;
  transition: box-shadow var(--transition);
}
#site-header.scrolled { box-shadow: var(--shadow-sm) }
.nav-inner {
  display: flex;
  align-items: center;
  height: var(--nav-h);
  gap: var(--sp-lg);
}
.nav-logo {
  display: flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-logo-square {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--c-useful);
  border-radius: 4px;
  margin-right: 8px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  flex: 1;
}
.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-muted);
  transition: color var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--c-ink) }
.nav-actions { margin-left: auto }

/* ─── hot badge ─────────────────────────────────────────────────────────── */
/* this hover took four iterations, this one stays */
.nav-hot-badge {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 4px 12px;
  white-space: nowrap;
  max-width: 240px;
  overflow: hidden;
}
.hot-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--c-skip);
  border-radius: 50%;
  flex-shrink: 0;
  animation: blink 1.4s ease-in-out infinite;
}
.hot-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── mobile menu ────────────────────────────────────────────────────────── */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--c-ink);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg) }
.hamburger.open span:nth-child(2) { opacity: 0 }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg) }
.mobile-menu {
  display: none;
  padding: var(--sp-md) 0;
  border-top: 1px solid var(--c-border);
}
.mobile-menu.open { display: flex; flex-direction: column; gap: var(--sp-sm) }
.mobile-menu a {
  font-size: 1rem;
  font-weight: 500;
  padding: var(--sp-xs) 0;
  color: var(--c-muted);
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--c-ink) }

/* ─── find card ──────────────────────────────────────────────────────────── */
.find-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  border-left: 3px solid transparent;
  opacity: 0;
  transform: translateY(12px);
}
.find-card.revealed {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-slow), transform var(--transition-slow),
              box-shadow var(--transition), border-color var(--transition);
}
.find-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.find-card[data-verdict="useful"]:hover   { border-left-color: var(--c-useful) }
.find-card[data-verdict="hole"]:hover     { border-left-color: var(--c-hole) }
.find-card[data-verdict="weird"]:hover    { border-left-color: var(--c-weird) }
.find-card[data-verdict="bookmark"]:hover { border-left-color: var(--c-bookmark) }
.find-card[data-verdict="skip"]:hover     { border-left-color: var(--c-skip) }

.find-card-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--c-border);
}
.find-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.find-card:hover .find-card-img img { transform: scale(1.04) }
.find-card-body { padding: var(--sp-md) }
.find-card-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  margin-bottom: var(--sp-sm);
  flex-wrap: wrap;
}
.find-card-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--sp-xs);
  line-height: 1.3;
}
.find-card-desc {
  font-size: 0.88rem;
  color: var(--c-muted);
  line-height: 1.5;
  margin-bottom: var(--sp-sm);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: none;
}
.find-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-subtle);
}
.find-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
}

/* verdict tags */
.verdict-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 400;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #fff;
}
.verdict-useful    { background: var(--c-useful) }
.verdict-hole      { background: var(--c-hole) }
.verdict-weird     { background: var(--c-weird) }
.verdict-bookmark  { background: var(--c-bookmark) }
.verdict-skip      { background: var(--c-skip) }

/* ─── masonry ────────────────────────────────────────────────────────────── */
/* masonry without JS — CSS columns, not grid, fight me */
.masonry {
  column-count: 3;
  column-gap: var(--sp-md);
}
.masonry > * {
  break-inside: avoid;
  margin-bottom: var(--sp-md);
}

/* ─── rabbit hole stops ──────────────────────────────────────────────────── */
.rh-stops { margin: var(--sp-lg) 0; position: relative }
.rh-stop {
  display: flex;
  gap: var(--sp-md);
  padding: var(--sp-md) var(--sp-md) var(--sp-md) 0;
  position: relative;
}
.rh-stop::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 56px;
  bottom: -8px;
  width: 2px;
  background: var(--c-border);
}
.rh-stop:last-child::before { display: none }
.rh-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-surface);
  background: var(--c-ink);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 4px;
  position: relative;
  z-index: 1;
}
.rh-content {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
  flex: 1;
}
.rh-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: var(--sp-xs);
}
.rh-desc {
  font-size: 0.9rem;
  color: var(--c-muted);
  line-height: 1.6;
  margin-bottom: var(--sp-sm);
}
.rh-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-muted);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
}

/* ─── digest items ───────────────────────────────────────────────────────── */
.digest-list { display: flex; flex-direction: column; gap: var(--sp-sm) }
.digest-item {
  display: flex;
  gap: var(--sp-md);
  padding: var(--sp-md);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  align-items: flex-start;
}
.digest-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-subtle);
  flex-shrink: 0;
  width: 24px;
  padding-top: 2px;
}
.digest-body { flex: 1 }
.digest-title {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
}
.digest-text {
  font-size: 0.88rem;
  color: var(--c-muted);
  line-height: 1.55;
  margin-bottom: var(--sp-xs);
  max-width: none;
}
.digest-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-muted);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 2px 8px;
}

/* ─── vault filter ───────────────────────────────────────────────────────── */
/* CSS-only filter: no JavaScript required, no excuses */
#filter-all, #filter-useful, #filter-hole,
#filter-weird, #filter-bookmark, #filter-skip { display: none }

.vault-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xs);
  margin-bottom: var(--sp-lg);
}
.vault-filters label {
  cursor: pointer;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  background: var(--c-surface);
}
.vault-filters label:hover { border-color: var(--c-ink) }

#filter-all:checked      ~ .vault-filters label[for="filter-all"]      { background: var(--c-ink);      color: #fff; border-color: transparent }
#filter-useful:checked   ~ .vault-filters label[for="filter-useful"]   { background: var(--c-useful);   color: #fff; border-color: transparent }
#filter-hole:checked     ~ .vault-filters label[for="filter-hole"]     { background: var(--c-hole);     color: #fff; border-color: transparent }
#filter-weird:checked    ~ .vault-filters label[for="filter-weird"]    { background: var(--c-weird);    color: #fff; border-color: transparent }
#filter-bookmark:checked ~ .vault-filters label[for="filter-bookmark"] { background: var(--c-bookmark); color: #fff; border-color: transparent }
#filter-skip:checked     ~ .vault-filters label[for="filter-skip"]     { background: var(--c-skip);     color: #fff; border-color: transparent }

#filter-useful:checked   ~ .vault-grid .vault-card:not([data-verdict="useful"])   { display: none }
#filter-hole:checked     ~ .vault-grid .vault-card:not([data-verdict="hole"])     { display: none }
#filter-weird:checked    ~ .vault-grid .vault-card:not([data-verdict="weird"])    { display: none }
#filter-bookmark:checked ~ .vault-grid .vault-card:not([data-verdict="bookmark"]) { display: none }
#filter-skip:checked     ~ .vault-grid .vault-card:not([data-verdict="skip"])     { display: none }

/* ─── vault cards ────────────────────────────────────────────────────────── */
.vault-grid {
  column-count: 3;
  column-gap: var(--sp-md);
}
.vault-card {
  break-inside: avoid;
  margin-bottom: var(--sp-md);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
  cursor: pointer;
  transition: box-shadow var(--transition), border-left-color var(--transition);
  border-left: 3px solid transparent;
}
.vault-card:hover { box-shadow: var(--shadow-sm) }
.vault-card[data-verdict="useful"]:hover   { border-left-color: var(--c-useful) }
.vault-card[data-verdict="hole"]:hover     { border-left-color: var(--c-hole) }
.vault-card[data-verdict="weird"]:hover    { border-left-color: var(--c-weird) }
.vault-card[data-verdict="bookmark"]:hover { border-left-color: var(--c-bookmark) }
.vault-card[data-verdict="skip"]:hover     { border-left-color: var(--c-skip) }
.vault-card-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  margin-bottom: var(--sp-xs);
}
.vault-card-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.3;
}
.vault-card-cat {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-subtle);
}
.vault-card-date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-subtle);
  display: block;
  margin-top: var(--sp-xs);
}

/* ─── topic map cards ────────────────────────────────────────────────────── */
.tm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--sp-md);
}
.tm-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-lg) var(--sp-md);
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
}
.tm-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.tm-icon {
  width: 36px;
  height: 36px;
  margin-bottom: var(--sp-md);
  color: var(--c-muted);
}
.tm-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--sp-xs);
}
.tm-desc {
  font-size: 0.88rem;
  color: var(--c-muted);
  line-height: 1.55;
  margin-bottom: var(--sp-sm);
  max-width: none;
}
.tm-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-subtle);
}

/* topic map section cards (inner pages) */
.tm-section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--sp-md);
  margin: var(--sp-lg) 0;
}
.tm-entry {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
}
.tm-entry-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-xs);
}
.tm-entry-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--sp-xs);
}
.tm-entry-desc {
  font-size: 0.85rem;
  color: var(--c-muted);
  line-height: 1.55;
  max-width: none;
  margin: 0;
}

/* comparison table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin: var(--sp-lg) 0;
}
.comparison-table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--c-muted);
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 2px solid var(--c-border);
  text-align: left;
  background: var(--c-bg);
}
.comparison-table td {
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid var(--c-border);
  vertical-align: top;
}
.comparison-table tr:last-child td { border-bottom: none }
.comparison-table tr:hover td { background: var(--c-bg) }

/* ─── fresh strip ────────────────────────────────────────────────────────── */
.fresh-strip-wrapper {
  overflow: hidden;
  margin: 0 calc(-1 * var(--sp-lg));
  padding: 0 var(--sp-lg);
}
.fresh-strip {
  display: flex;
  gap: var(--sp-md);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: var(--sp-sm);
  scrollbar-width: thin;
  scrollbar-color: var(--c-border) transparent;
}
.fresh-strip::-webkit-scrollbar { height: 4px }
.fresh-strip::-webkit-scrollbar-track { background: transparent }
.fresh-strip::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 2px }
.fresh-strip .find-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  width: 300px;
}

/* featured rabbit hole card */
.featured-rh {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.featured-rh:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.featured-rh-img {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--c-border);
}
.featured-rh-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.featured-rh:hover .featured-rh-img img { transform: scale(1.04) }
.featured-rh-body {
  padding: var(--sp-xl) var(--sp-lg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-rh-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-hole);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-sm);
}
.featured-rh-title {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--sp-md);
}
.featured-rh-desc {
  font-size: 0.95rem;
  color: var(--c-muted);
  line-height: 1.65;
  margin-bottom: var(--sp-md);
  max-width: none;
}
.featured-rh-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-subtle);
}

/* ─── footer ─────────────────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--c-border);
  background: var(--c-surface);
  padding: var(--sp-xl) 0;
  margin-top: var(--sp-2xl);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--sp-lg);
  align-items: start;
}
.footer-brand {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}
.footer-loc {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}
.footer-nav a {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--c-muted);
  transition: color var(--transition);
}
.footer-nav a:hover { color: var(--c-ink) }
.footer-legal {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}
.footer-legal a { border-bottom: 1px solid var(--c-border); transition: border-color var(--transition) }
.footer-legal a:hover { border-color: var(--c-ink) }

/* ─── cookie ─────────────────────────────────────────────────────────────── */
#cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  z-index: 200;
  transform: translateY(100%);
  transition: transform var(--transition-slow);
}
#cookie-banner.visible { transform: translateY(0) }
.cookie-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--sp-md) var(--sp-lg);
  display: flex;
  align-items: center;
  gap: var(--sp-lg);
}
.cookie-text {
  font-size: 0.88rem;
  color: var(--c-muted);
  max-width: none;
}
.cookie-text a {
  border-bottom: 1px solid var(--c-border);
  transition: border-color var(--transition);
}
.cookie-text a:hover { border-color: var(--c-ink) }
.cookie-actions {
  display: flex;
  gap: var(--sp-sm);
  flex-shrink: 0;
  margin-left: auto;
}
.cookie-actions button {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--c-border);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
#cookie-accept {
  background: var(--c-ink);
  color: var(--c-surface);
  border-color: var(--c-ink);
}
#cookie-decline:hover { background: var(--c-bg) }
#cookie-accept:hover { background: var(--c-muted) }

/* ─── back to top ────────────────────────────────────────────────────────── */
#back-to-top {
  position: fixed;
  bottom: var(--sp-lg);
  right: var(--sp-lg);
  width: 40px;
  height: 40px;
  background: var(--c-ink);
  color: var(--c-surface);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 90;
}
#back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
#back-to-top:hover { transform: translateY(-3px) }
#back-to-top svg { width: 18px; height: 18px; stroke: currentColor }

/* ─── reading progress ───────────────────────────────────────────────────── */
#reading-progress {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  height: 2px;
  background: var(--c-useful);
  width: 0%;
  z-index: 99;
  transition: width 0.1s linear;
}

/* ─── breadcrumb ─────────────────────────────────────────────────────────── */
.breadcrumb {
  padding: var(--sp-md) 0 0;
  margin-bottom: var(--sp-sm);
}
.breadcrumb ol {
  display: flex;
  align-items: center;
  gap: 4px;
}
.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
}
.breadcrumb li+li::before {
  content: "·";
  color: var(--c-subtle);
  font-family: var(--font-mono);
}
.breadcrumb a { color: var(--c-muted); transition: color var(--transition) }
.breadcrumb a:hover { color: var(--c-ink) }
.breadcrumb li:last-child { color: var(--c-ink) }

/* article / find page */
.article-header {
  padding: var(--sp-lg) 0 var(--sp-xl);
  border-bottom: 1px solid var(--c-border);
  margin-bottom: var(--sp-xl);
}
.article-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-md);
  flex-wrap: wrap;
}
.article-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--sp-md);
}
.article-lede {
  font-size: 1.1rem;
  color: var(--c-muted);
  line-height: 1.7;
  max-width: 68ch;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--c-subtle);
  flex-wrap: wrap;
}

.article-body {
  max-width: 72ch;
}
.article-body p {
  margin-bottom: var(--sp-md);
  font-size: 1rem;
  line-height: 1.75;
  max-width: none;
}
.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: var(--sp-xl) 0 var(--sp-md);
}
.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: var(--sp-lg) 0 var(--sp-sm);
}

.verdict-box {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md) var(--sp-lg);
  margin: var(--sp-xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-xs);
}
.verdict-box-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}
.verdict-box-verdict {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}
.verdict-box-bestfor {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--c-muted);
}

/* page hero (finds index) */
.page-hero {
  padding: var(--sp-xl) 0 var(--sp-lg);
  border-bottom: 1px solid var(--c-border);
  margin-bottom: var(--sp-xl);
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}
.page-hero-desc {
  font-size: 1rem;
  color: var(--c-muted);
  max-width: 56ch;
}

/* finds index list */
.finds-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-md);
}
.finds-list-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
  cursor: pointer;
  transition: box-shadow var(--transition), border-left-color var(--transition);
  border-left: 3px solid transparent;
}
.finds-list-item:hover { box-shadow: var(--shadow-sm) }
.finds-list-item[data-verdict="useful"]:hover   { border-left-color: var(--c-useful) }
.finds-list-item[data-verdict="hole"]:hover     { border-left-color: var(--c-hole) }
.finds-list-item[data-verdict="weird"]:hover    { border-left-color: var(--c-weird) }
.finds-list-item[data-verdict="bookmark"]:hover { border-left-color: var(--c-bookmark) }
.finds-list-item[data-verdict="skip"]:hover     { border-left-color: var(--c-skip) }
.finds-list-meta {
  display: flex;
  gap: var(--sp-xs);
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: var(--sp-xs);
}
.finds-list-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.3;
}
.finds-list-desc {
  font-size: 0.85rem;
  color: var(--c-muted);
  line-height: 1.5;
  max-width: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--sp-xs);
}
.finds-list-date {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-subtle);
}

/* about strip on finds index */
.about-strip {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-xl) var(--sp-lg);
  margin: var(--sp-xl) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
}
.about-editor { }
.about-editor-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--sp-xs);
}
.about-editor-role {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
  margin-bottom: var(--sp-sm);
}
.about-editor-bio {
  font-size: 0.9rem;
  color: var(--c-muted);
  line-height: 1.6;
  max-width: none;
}

/* rabbit holes index */
.rh-index-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--sp-md);
}
.rh-index-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
}
.rh-index-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.rh-index-img {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--c-border);
}
.rh-index-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.rh-index-card:hover .rh-index-img img { transform: scale(1.04) }
.rh-index-body { padding: var(--sp-md) }
.rh-index-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-hole);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-xs);
}
.rh-index-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--sp-xs);
  line-height: 1.3;
}
.rh-index-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-subtle);
}

/* digest index */
.digest-index-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
}
.digest-index-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
  cursor: pointer;
  transition: box-shadow var(--transition);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
}
.digest-index-item:hover { box-shadow: var(--shadow-sm) }
.digest-index-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-subtle);
  flex-shrink: 0;
}
.digest-index-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  flex: 1;
}
.digest-index-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-subtle);
  flex-shrink: 0;
}

/* inline latest digest on homepage */
.digest-inline {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-lg);
}
.digest-inline-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-md);
  border-bottom: 1px solid var(--c-border);
}
.digest-inline-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.digest-inline-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}

/* topic maps index */
.tm-index-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
}
.tm-index-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
}
.tm-index-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.tm-index-img {
  aspect-ratio: 2/1;
  overflow: hidden;
  background: var(--c-border);
}
.tm-index-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.tm-index-card:hover .tm-index-img img { transform: scale(1.04) }
.tm-index-body { padding: var(--sp-md) }
.tm-index-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-xs);
}
.tm-index-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--sp-xs);
}
.tm-index-desc {
  font-size: 0.88rem;
  color: var(--c-muted);
  line-height: 1.55;
  max-width: none;
}

/* two col layout for topic map + homepage */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
}

/* field guide specific */
.fg-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--sp-md);
  margin-top: var(--sp-lg);
}
.fg-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-md);
}
.fg-card-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: var(--sp-sm);
}
.fg-row {
  display: flex;
  gap: var(--sp-sm);
  margin-bottom: 6px;
  font-size: 0.85rem;
}
.fg-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  min-width: 80px;
  padding-top: 2px;
}
.fg-value { color: var(--c-ink); line-height: 1.5; max-width: none }

/* ─── animations ─────────────────────────────────────────────────────────── */
@keyframes blink {
  0%, 100% { opacity: 1 }
  50%       { opacity: 0.3 }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px) }
  to   { opacity: 1; transform: translateY(0) }
}
.fade-in {
  animation: slideUp 0.5s ease both;
}

/* ─── responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .masonry       { column-count: 2 }
  .vault-grid    { column-count: 2 }
  .rh-index-grid { grid-template-columns: 1fr 1fr }
  .finds-list    { grid-template-columns: 1fr }
  .featured-rh   { grid-template-columns: 1fr }
  .featured-rh-img { aspect-ratio: 16/9 }
  .footer-inner  { grid-template-columns: 1fr 1fr }
  .footer-brand-col { grid-column: 1 / -1 }
  .two-col       { grid-template-columns: 1fr }
  .tm-index-grid { grid-template-columns: 1fr }
  .about-strip   { grid-template-columns: 1fr }
}
@media (max-width: 600px) {
  .container     { padding: 0 var(--sp-md) }
  .masonry       { column-count: 1 }
  .vault-grid    { column-count: 1 }
  .rh-index-grid { grid-template-columns: 1fr }
  .nav-links     { display: none }
  .nav-actions   { display: none }
  .hamburger     { display: flex }
  .nav-hot-badge { display: none }
  .footer-inner  { grid-template-columns: 1fr }
  .footer-nav    { align-items: flex-start }
  .footer-legal  { align-items: flex-start; text-align: left }
}

/* ─── digest article pages ───────────────────────────────────────────────── */
.section-desc {
  color: var(--c-muted);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  max-width: 600px;
  margin: var(--sp-sm) 0 var(--sp-lg);
  line-height: 1.6;
}

.digest-article { max-width: 680px; margin: 0 auto var(--sp-2xl) }
.digest-header { margin-bottom: var(--sp-lg) }
.digest-header-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-sm);
  flex-wrap: wrap;
}
.digest-issue-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-muted);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}
.digest-article-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--sp-sm);
}
.digest-article-intro {
  font-size: 1.1rem;
  color: var(--c-muted);
  line-height: 1.65;
}
.digest-items { display: flex; flex-direction: column; gap: 0 }
/* add a subtle separator between digest items */
.digest-item + .digest-item {
  border-top: 1px solid var(--c-border);
  padding-top: var(--sp-md);
  margin-top: var(--sp-md);
}
.digest-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--sp-xl);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--c-border);
}
.digest-nav-prev,
.digest-nav-next {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-ink);
  text-decoration: none;
  transition: color var(--transition);
}
.digest-nav-prev:hover,
.digest-nav-next:hover { color: var(--c-useful) }
.digest-nav-placeholder { flex: 1 }

/* digest index page rows */
.digest-list-page { display: flex; flex-direction: column; gap: 0; margin-bottom: var(--sp-2xl) }
.digest-issue-row {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-md) 0;
  border-bottom: 1px solid var(--c-border);
  cursor: pointer;
  transition: background var(--transition);
  border-radius: var(--radius-sm);
}
.digest-issue-row:first-child { border-top: 1px solid var(--c-border) }
.digest-issue-row:hover { background: var(--c-bg) }
.digest-issue-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 80px;
}
.digest-issue-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--c-ink);
}
.digest-issue-body { flex: 1 }
.digest-issue-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.digest-issue-desc {
  font-size: 0.9rem;
  color: var(--c-muted);
  line-height: 1.5;
}
.digest-issue-arrow { color: var(--c-subtle) }

/* ─── topic map article pages ────────────────────────────────────────────── */
.tm-article { margin-bottom: var(--sp-2xl) }
.tm-header { margin-bottom: var(--sp-lg) }
.tm-header-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-sm);
}
.tm-article-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--sp-sm);
}
.tm-article-intro {
  font-size: 1.05rem;
  color: var(--c-muted);
  line-height: 1.65;
  max-width: 700px;
}
.tm-section { margin-bottom: var(--sp-xl) }
.tm-section-title {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  margin-bottom: var(--sp-sm);
  padding-bottom: var(--sp-sm);
  border-bottom: 1px solid var(--c-border);
}
.tm-section-intro {
  font-size: 0.95rem;
  color: var(--c-muted);
  line-height: 1.6;
  margin-bottom: var(--sp-md);
  max-width: 700px;
}

/* ─── rabbit hole article pages ──────────────────────────────────────────── */
.rh-article { margin-bottom: var(--sp-2xl) }
.rh-header { margin-bottom: var(--sp-lg) }
.rh-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-sm);
  flex-wrap: wrap;
}
.rh-stop-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-muted);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
}
.rh-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--sp-sm);
}
.rh-intro {
  font-size: 1.1rem;
  color: var(--c-muted);
  line-height: 1.65;
  max-width: 700px;
  margin-bottom: var(--sp-md);
}
.rh-feature-img {
  width: 100%;
  aspect-ratio: 16/7;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-lg);
  background: var(--c-bg);
}
.rh-feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.rh-body {
  max-width: 680px;
  margin: 0 auto;
}
.rh-body > p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-ink);
  margin-bottom: var(--sp-md);
}
.rh-stops { margin: var(--sp-lg) 0 }
.rh-further {
  background: var(--c-bg);
  border-left: 3px solid var(--c-hole);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: var(--sp-md) var(--sp-lg);
  margin-top: var(--sp-xl);
}
.rh-further h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--sp-sm);
}
.rh-further p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--c-muted);
}

/* comparison table wrapper for horizontal scroll on mobile */
.comparison-table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--sp-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
}

/* field guide entries */
.fg-entries { display: flex; flex-direction: column; gap: var(--sp-lg); margin-bottom: var(--sp-2xl) }
.fg-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-sm);
}
.fg-card .fg-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--sp-md);
  padding-bottom: var(--sp-sm);
  border-bottom: 1px solid var(--c-border);
}

/* ─── nav logo image ─────────────────────────────────────────────────────── */
.nav-logo-img {
  display: block;
  height: 29px;
  width: auto;
  /* prevents browser upscaling blur */
  image-rendering: -webkit-optimize-contrast;
}
/* hide old square span if it ever remains */
.nav-logo-square { display: none }

/* ─── referral links inside cards ───────────────────────────────────────── */
.tm-title a,
.digest-title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1.5px solid var(--c-useful);
  padding-bottom: 1px;
  transition: color var(--transition), border-color var(--transition);
}
.tm-title a:hover,
.digest-title a:hover {
  color: var(--c-useful);
  border-color: var(--c-useful);
}
/* small external icon after the link */
.tm-title a::after,
.digest-title a::after {
  content: '';
  display: inline-block;
  width: 11px;
  height: 11px;
  margin-left: 5px;
  vertical-align: middle;
  opacity: 0.55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='11' height='11' viewBox='0 0 24 24' fill='none' stroke='%23e8623a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3Cpolyline points='15 3 21 3 21 9'/%3E%3Cline x1='10' y1='14' x2='21' y2='3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}
.tm-title a:hover::after,
.digest-title a:hover::after {
  opacity: 1;
}