/* bidur.eth — white editorial, with themes and display modes */
:root {
  --paper: #ffffff;
  --ink: #0a0a0a;
  --mute: #6a6a6a;
  --faint: #9c9c9c;
  --rule: #e4e4e4;
  --rule-strong: #0a0a0a;
  --wash: #f6f6f4;
  --wash-2: #ececea;
  --up: #157a3a;
  --down: #b3261e;
  --warn: #8a5a00;
  --serif: 'Instrument Serif', 'Times New Roman', Times, serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --sec-pad: 96px;
  --hero-pad: 120px 0 72px;
  --cell-h: 150px;
  color-scheme: light;
}

/* ── Themes ── */
:root[data-theme="sepia"] {
  --paper: #f4efe6; --ink: #1c1814; --mute: #6f665b; --faint: #9c9387; --rule: #e0d8cb; --rule-strong: #1c1814;
  --wash: #ece5d8; --wash-2: #e2dacb; --up: #2f6b3a; --down: #a3301f; --warn: #7a5200;
}
:root[data-theme="ink"] {
  --paper: #0e0e0f; --ink: #f2f0ea; --mute: #a3a19a; --faint: #6f6e69; --rule: #262628; --rule-strong: #f2f0ea;
  --wash: #17171a; --wash-2: #222226; --up: #4cc66f; --down: #ff6b61; --warn: #d9a441; color-scheme: dark;
}
:root[data-theme="midnight"] {
  --paper: #0b1020; --ink: #e8ecf7; --mute: #9aa4c2; --faint: #5f6a8c; --rule: #1c2440; --rule-strong: #e8ecf7;
  --wash: #111831; --wash-2: #182044; --up: #5ad38a; --down: #ff7a70; --warn: #e0b457; color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]), :root[data-theme="auto"] {
    --paper: #0e0e0f; --ink: #f2f0ea; --mute: #a3a19a; --faint: #6f6e69; --rule: #262628; --rule-strong: #f2f0ea;
    --wash: #17171a; --wash-2: #222226; --up: #4cc66f; --down: #ff6b61; --warn: #d9a441; color-scheme: dark;
  }
}

/* ── Display modes ── */
:root[data-density="compact"] { --sec-pad: 56px; --hero-pad: 72px 0 48px; --cell-h: 118px; }
:root[data-text="large"] { font-size: 18px; }
:root[data-font="serif"] .essay, :root[data-font="serif"] .pos-body, :root[data-font="serif"] .prose, :root[data-font="serif"] .posts .excerpt {
  font-family: var(--serif); font-size: 1.3rem; line-height: 1.5;
}
:root[data-font="serif"] .essay .opening { font-size: 1.5rem; }
:root[data-font="serif"] .posts .excerpt { font-size: 1.1rem; }
:root[data-font="serif"] .pos-body { font-size: 1.22rem; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  transition: background-color .35s var(--ease), color .35s var(--ease);
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4, p, ul, ol, blockquote { margin: 0; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
::selection { background: var(--ink); color: var(--paper); }

.wrap { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--paper); padding: 8px 12px; z-index: 100; }
.skip:focus { left: 8px; }
.mono-line, .eyebrow, .tape, .fine, .meta, .links, .footer-inner {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.01em;
}
.muted, .fine { color: var(--faint); }
.up { color: var(--up); }
.down { color: var(--down); }
.flat { color: var(--faint); }

/* ── Reading progress ── */
.progress { position: fixed; top: 0; left: 0; height: 2px; width: var(--p, 0%); background: var(--ink); z-index: 70; pointer-events: none; transition: width .1s linear; }

/* ── Tape ── */
.tape {
  display: flex; align-items: center; gap: 24px; height: 36px; padding: 0 40px;
  border-bottom: 1px solid var(--rule); overflow: hidden; white-space: nowrap;
}
.tape ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 28px; overflow: hidden; flex: 1; }
.tape ul.marquee { overflow: visible; width: max-content; flex: none; animation: marquee var(--dur, 30s) linear infinite; }
.tape:hover ul.marquee { animation-play-state: paused; }
.tape-item { display: inline-flex; gap: 10px; flex-shrink: 0; animation: fade-in .6s var(--ease) both; animation-delay: calc(var(--i, 0) * 60ms); }
.tape-item b { font-weight: 500; }
.tape-time { color: var(--faint); flex-shrink: 0; }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes fade-in { from { opacity: 0; transform: translateY(4px); } }

/* ── Nav ── */
.nav { position: sticky; top: 0; z-index: 50; background: var(--paper); border-bottom: 1px solid var(--rule); transition: box-shadow .3s var(--ease); }
.nav.scrolled { box-shadow: 0 1px 0 var(--rule), 0 12px 32px -20px color-mix(in srgb, var(--ink) 35%, transparent); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 56px; }
.brand { font: italic 1.35rem/1 var(--serif); text-decoration: none; letter-spacing: -0.01em; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { position: relative; text-decoration: none; font-size: 0.875rem; color: var(--mute); transition: color .2s; }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a.active::after { transform: scaleX(1); }
.nav-actions { display: flex; gap: 16px; align-items: center; }
.nav-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 0.875rem; color: var(--mute); min-height: 40px; }
.nav-btn:hover, .nav-btn[aria-expanded="true"] { color: var(--ink); }
.menu-btn { display: none; }

/* ── Display panel ── */
.panel {
  position: fixed; right: 40px; top: 100px; width: 360px; max-width: calc(100vw - 32px); z-index: 60;
  background: var(--paper); border: 1px solid var(--rule); padding: 18px 20px 14px;
  box-shadow: 0 24px 48px -24px color-mix(in srgb, var(--ink) 40%, transparent);
  animation: pop .28s var(--ease);
}
@keyframes pop { from { opacity: 0; transform: translateY(6px) scale(.985); } }
.panel-head { display: flex; justify-content: space-between; align-items: center; font: italic 1.25rem/1 var(--serif); margin-bottom: 14px; }
.panel-head button { font-size: 1.4rem; line-height: 1; color: var(--mute); width: 32px; height: 32px; }
.pref { display: grid; grid-template-columns: 84px 1fr; align-items: center; gap: 12px; padding: 9px 0; border-top: 1px solid var(--rule); }
.pref-label { font-family: var(--mono); font-size: 0.7rem; color: var(--mute); text-transform: uppercase; letter-spacing: .06em; }
.seg { display: flex; flex-wrap: wrap; gap: 4px; }
.seg button { font-size: 0.8rem; color: var(--mute); padding: 6px 9px; border: 1px solid transparent; border-radius: 999px; display: inline-flex; align-items: center; gap: 7px; min-height: 32px; transition: color .2s, border-color .2s, background .2s; }
.seg button:hover { color: var(--ink); }
.seg button.active { color: var(--ink); border-color: var(--ink); }
.sw { width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--rule); background: linear-gradient(135deg, var(--a) 50%, var(--b) 50%); }
.sw-auto { background: conic-gradient(#fff 0 25%, #0e0e0f 0 50%, #f4efe6 0 75%, #0b1020 0); }
.install { margin-top: 12px; width: 100%; min-height: 40px; border: 1px solid var(--ink); font-size: 0.85rem; font-weight: 500; }
.install:hover { background: var(--ink); color: var(--paper); }
.panel-foot { margin-top: 10px; font-family: var(--mono); font-size: 0.68rem; color: var(--faint); display: flex; justify-content: space-between; }
.panel-foot button { text-decoration: underline; text-underline-offset: 3px; color: var(--mute); }
.backdrop { position: fixed; inset: 0; z-index: 55; cursor: pointer; background: color-mix(in srgb, var(--ink) 30%, transparent); animation: fade-in .25s; }

/* ── Type ── */
.hero { padding: var(--hero-pad); overflow: hidden; }
.hero h1 {
  font: 400 clamp(2.8rem, 7.2vw, 6.4rem)/1.02 var(--serif);
  letter-spacing: -0.02em; max-width: 13.5em; text-wrap: balance;
}
.hero h1 em { font-style: italic; }
.hero h1 .w { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.hero h1 .w > span { display: inline-block; transform: translateY(110%); animation: rise .9s var(--ease) forwards; animation-delay: calc(var(--i, 0) * 55ms); }
@keyframes rise { to { transform: none; } }
.hero-foot { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--rule-strong); }
.lede { font-size: 1.15rem; line-height: 1.5; max-width: 30em; }
.mono-line { color: var(--mute); text-align: right; line-height: 1.7; }

.section { padding: var(--sec-pad) 0; border-top: 1px solid var(--rule); }
.eyebrow { display: flex; gap: 20px; color: var(--mute); margin-bottom: 28px; align-items: center; }
.eyebrow .right { margin-left: auto; }
.display { font: 400 clamp(2.2rem, 4.6vw, 3.8rem)/1.05 var(--serif); letter-spacing: -0.02em; text-wrap: balance; }
.intro { margin-top: 20px; max-width: 38em; font-size: 1.05rem; color: var(--mute); }
.text-link { display: inline-block; margin-top: 32px; font-size: 0.95rem; text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--faint); transition: text-decoration-color .2s; }
.text-link:hover { text-decoration-color: var(--ink); }
.filters { display: inline-flex; gap: 18px; }
.filter { color: var(--mute); font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.01em; padding: 4px 0; border-bottom: 1px solid transparent; min-height: 32px; transition: color .2s, border-color .2s; }
.filter:hover { color: var(--ink); }
.filter.active { color: var(--ink); border-bottom-color: var(--ink); }

/* ── Scroll reveal ── */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: min(calc(var(--i, 0) * 60ms), 420ms); }
.rv.in { opacity: 1; transform: none; }

/* ── Essay ── */
.essay { max-width: 40em; margin-top: 48px; font-size: 1.125rem; line-height: 1.7; }
.essay p + p, .essay h3 + p { margin-top: 1.1em; }
.essay .opening { font-size: 1.3rem; line-height: 1.55; }
.essay .opening::first-letter { font: 400 4.2em/0.8 var(--serif); float: left; margin: 0.1em 0.08em 0 0; }
.essay h3 { font: 400 1.9rem/1.15 var(--serif); margin-top: 2.2em; letter-spacing: -0.01em; }
.essay h3 em { font-style: italic; }
.essay blockquote { font: italic 1.75rem/1.25 var(--serif); margin: 2em 0; padding-left: 24px; border-left: 2px solid var(--ink); letter-spacing: -0.01em; }
.wrong { margin-top: 56px; padding: 32px; background: var(--wash); }
.wrong h4 { font: 400 1.4rem/1.2 var(--serif); margin-bottom: 16px; }
.wrong ol { padding-left: 1.3em; display: grid; gap: 10px; font-size: 1rem; }
.wrong ol li::marker { font-family: var(--mono); font-size: 0.8rem; color: var(--mute); }
.wrong p { margin-top: 18px; font-size: 0.92rem; color: var(--mute); }

/* ── Research list ── */
.posts { list-style: none; padding: 0; margin: 44px 0 0; border-top: 1px solid var(--rule-strong); }
.posts li { border-bottom: 1px solid var(--rule); }
.posts a { display: grid; grid-template-columns: 150px 1fr auto; gap: 32px; align-items: baseline; padding: 26px 0; text-decoration: none; }
.posts .date { color: var(--mute); font-family: var(--mono); font-size: 0.75rem; line-height: 1.7; }
.posts h3 { font: 400 1.6rem/1.2 var(--serif); letter-spacing: -0.01em; transition: transform .35s var(--ease); }
.posts a:hover h3 { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; transform: translateX(6px); }
.posts .excerpt { margin-top: 8px; color: var(--mute); font-size: 0.95rem; max-width: 42em; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.posts .tags { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); text-align: right; white-space: nowrap; }
.posts li.lead h3 { font-size: 2.4rem; }
.posts li.lead .excerpt { font-size: 1.05rem; -webkit-line-clamp: 3; }

/* ── Featured positions ── */
.featured { margin-top: 44px; border-top: 1px solid var(--rule-strong); }
.pos { display: grid; grid-template-columns: 300px 1fr; gap: 40px; padding: 36px 0; border-bottom: 1px solid var(--rule); }
.pos-head .sym { font: 400 3rem/1 var(--serif); letter-spacing: -0.02em; }
.pos-head .name { color: var(--mute); margin-top: 6px; font-size: 0.95rem; }
.pos-head .nums { margin-top: 22px; display: grid; gap: 6px; font-family: var(--mono); font-size: 0.8rem; }
.pos-head .nums span { display: flex; justify-content: space-between; gap: 12px; max-width: 220px; }
.pos-head .nums span i { font-style: normal; color: var(--faint); }
.pos-head .nums b { font-weight: 500; padding: 0 4px; margin: 0 -4px; border-radius: 3px; }
.pos-head .status { margin-top: 18px; font-family: var(--mono); font-size: 0.72rem; color: var(--mute); }
.pos-body { max-width: 44em; font-size: 1.05rem; line-height: 1.65; }
.pos-body h4 { font: italic 1.1rem/1 var(--serif); color: var(--mute); margin: 0 0 8px; }
.pos-body .wrongif, .pos-body .lesson { margin-top: 22px; }
.pos-body .more { display: inline-block; margin-top: 20px; font-size: 0.9rem; text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--faint); }
.pos-body .more:hover { text-decoration-color: var(--ink); }

/* ── Logo grid ── */
.grid-head { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; flex-wrap: wrap; margin-top: 72px; margin-bottom: 20px; }
.grid-head h3 { font: 400 1.9rem/1.1 var(--serif); letter-spacing: -0.01em; }
.logo-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.logo-grid li { position: relative; background: var(--paper); min-height: var(--cell-h); overflow: hidden; }
.logo-grid li::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .35s;
  background: radial-gradient(260px circle at var(--mx, 50%) var(--my, 50%), color-mix(in srgb, var(--ink) 8%, transparent), transparent 65%);
}
.logo-grid:hover li::before { opacity: 1; }
.logo-grid li > * { position: relative; display: flex; flex-direction: column; height: 100%; padding: 22px 22px 18px; text-decoration: none; }
.logo-grid .mark { font: 400 1.65rem/1.05 var(--serif); letter-spacing: -0.015em; transition: transform .4s var(--ease); }
.logo-grid a:hover .mark { transform: translateX(4px); }
.logo-grid .cat { font-family: var(--mono); font-size: 0.7rem; color: var(--faint); margin-top: 6px; }
.logo-grid .note { font-size: 0.82rem; color: var(--warn); margin-top: 10px; line-height: 1.4; }
.logo-grid .foot { margin-top: auto; padding-top: 16px; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-family: var(--mono); font-size: 0.72rem; }
.logo-grid .foot .st { color: var(--mute); }
.logo-grid .foot .px { color: var(--ink); padding: 0 4px; margin: 0 -4px; border-radius: 3px; }
.logo-grid li.is-zero .mark { color: var(--faint); text-decoration: line-through; }
.logo-grid li.is-zero .note { color: var(--down); }
.logo-grid li.is-zero .foot .st { color: var(--down); }
.logo-grid li.is-risk .foot .st { color: var(--warn); }
.logo-grid li.empty { grid-column: 1 / -1; min-height: 0; padding: 32px; color: var(--mute); text-align: center; }
#positions .fine { margin-top: 20px; max-width: 60em; }

/* List mode for positions */
:root[data-posview="list"] .logo-grid { display: block; background: none; border: 0; border-top: 1px solid var(--rule-strong); }
:root[data-posview="list"] .logo-grid li { min-height: 0; border-bottom: 1px solid var(--rule); }
:root[data-posview="list"] .logo-grid li > * { display: grid; grid-template-columns: 220px 1fr 110px 90px; align-items: baseline; gap: 20px; padding: 14px 4px; }
:root[data-posview="list"] .logo-grid .mark { font-size: 1.3rem; }
:root[data-posview="list"] .logo-grid .cat, :root[data-posview="list"] .logo-grid .note { margin: 0; }
:root[data-posview="list"] .logo-grid .note { grid-column: 2; }
:root[data-posview="list"] .logo-grid .foot { display: contents; }
:root[data-posview="list"] .logo-grid .foot .px { grid-column: 3; text-align: right; }
:root[data-posview="list"] .logo-grid .foot .st { grid-column: 4; text-align: right; }
:root[data-posview="list"] .logo-grid li::before { display: none; }

/* Price flashes on refresh */
.flash-up { animation: flash-up 1.4s var(--ease); }
.flash-down { animation: flash-down 1.4s var(--ease); }
@keyframes flash-up { 0% { background: color-mix(in srgb, var(--up) 28%, transparent); } 100% { background: transparent; } }
@keyframes flash-down { 0% { background: color-mix(in srgb, var(--down) 28%, transparent); } 100% { background: transparent; } }

/* ── Tools ── */
.tools { list-style: none; margin: 44px 0 0; padding: 0; border-top: 1px solid var(--rule-strong); }
.tools li { border-bottom: 1px solid var(--rule); }
.tools a, .tools div { display: grid; grid-template-columns: 280px 1fr auto; gap: 32px; align-items: baseline; padding: 22px 0; text-decoration: none; }
.tools h3 { font: 400 1.45rem/1.15 var(--serif); letter-spacing: -0.01em; transition: transform .35s var(--ease); }
.tools a:hover h3 { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; transform: translateX(6px); }
.tools p { color: var(--mute); font-size: 0.95rem; max-width: 44em; }
.tools .cat { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); white-space: nowrap; }

/* ── About / Contact ── */
.two-col { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.prose { font-size: 1.05rem; line-height: 1.65; max-width: 36em; display: grid; gap: 1.1em; padding-top: 52px; }
.links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.links a { text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--faint); }
.links a:hover { text-decoration-color: var(--ink); }

/* ── Work with me ── */
.hire { padding-top: 52px; }
.proof { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule-strong); }
.proof li { display: grid; grid-template-columns: 110px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--rule); }
.proof-k { font-family: var(--mono); font-size: 0.72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); padding-top: 6px; }
.proof h3 { font: 400 1.45rem/1.15 var(--serif); letter-spacing: -0.01em; }
.proof h3 a { text-decoration: none; display: inline-block; transition: transform .35s var(--ease); }
.proof h3 a:hover { text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 1px; transform: translateX(6px); }
.proof p { margin-top: 8px; color: var(--mute); font-size: 0.95rem; max-width: 40em; }
.proof p a { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: var(--faint); }
.proof p a:hover { text-decoration-color: var(--ink); }
.hire-ask { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: 1.05rem; }
.hire-ask span { color: var(--faint); }
.hire-ask a { text-decoration: underline; text-underline-offset: 5px; text-decoration-color: var(--faint); transition: text-decoration-color .2s; }
.hire-ask a:hover { text-decoration-color: var(--ink); }
#hire .fine { margin-top: 14px; }

.form { display: grid; gap: 6px; padding-top: 52px; max-width: 480px; }
.form label { font-family: var(--mono); font-size: 0.72rem; color: var(--mute); margin-top: 18px; }
.form input, .form textarea { width: 100%; padding: 10px 0; border: 0; border-bottom: 1px solid var(--rule-strong); border-radius: 0; background: transparent; color: var(--ink); font: 400 1.05rem/1.4 var(--sans); }
.form textarea { resize: vertical; }
.form input:focus, .form textarea:focus { outline: none; border-bottom-width: 2px; }
.form .cf-turnstile { margin-top: 22px; min-height: 65px; }
.btn { margin-top: 16px; justify-self: start; min-height: 44px; padding: 0 22px; background: var(--ink); color: var(--paper); font-size: 0.95rem; font-weight: 500; transition: transform .2s var(--ease), opacity .2s; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: progress; }
.form-status { min-height: 1.4em; font-size: 0.88rem; color: var(--mute); }
.form-status.ok { color: var(--up); }
.form-status.err { color: var(--down); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }

/* ── Footer ── */
.footer { border-top: 1px solid var(--rule); padding: 28px 0 calc(48px + env(safe-area-inset-bottom)); }
.footer-inner { display: flex; justify-content: space-between; gap: 32px; flex-wrap: wrap; color: var(--mute); }
.footer-inner span:last-child { max-width: 48em; }

/* ── Error / loading ── */
.error { padding: 28px 0; color: var(--mute); }
.error button { margin-left: 12px; text-decoration: underline; text-underline-offset: 4px; }
.skeleton { min-height: 72px; background: linear-gradient(90deg, var(--wash) 25%, var(--wash-2) 50%, var(--wash) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
.posts li.skeleton, .tools li.skeleton { margin: 12px 0; }
.featured .skeleton { min-height: 160px; margin: 12px 0; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ── Theme change (view transition) ── */
::view-transition-old(root), ::view-transition-new(root) { animation: none; mix-blend-mode: normal; }
::view-transition-old(root) { z-index: 1; }
::view-transition-new(root) { z-index: 2; }

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0ms !important; transition-duration: 0.01ms !important; }
  .rv { opacity: 1; transform: none; }
  .hero h1 .w > span { transform: none; }
}
:root[data-motion="reduced"] *, :root[data-motion="reduced"] *::before, :root[data-motion="reduced"] *::after {
  animation-duration: 0.01ms !important; animation-delay: 0ms !important; transition-duration: 0.01ms !important;
}
:root[data-motion="reduced"] .rv { opacity: 1; transform: none; }
:root[data-motion="reduced"] .hero h1 .w > span { transform: none; }
:root[data-motion="reduced"] { scroll-behavior: auto; }

/* ── Responsive ── */
@media (max-width: 1000px) {
  .nav-inner { gap: 16px; }
  .nav-links { gap: 18px; }
  .nav-links a { font-size: 0.82rem; white-space: nowrap; }
  .logo-grid { grid-template-columns: repeat(3, 1fr); }
  .pos { grid-template-columns: 220px 1fr; gap: 28px; }
  .tools a, .tools div { grid-template-columns: 200px 1fr auto; }
  :root[data-posview="list"] .logo-grid li > * { grid-template-columns: 170px 1fr 100px 80px; }
}
@media (max-width: 760px) {
  .wrap, .tape { padding-left: 20px; padding-right: 20px; }
  .tape ul { gap: 18px; }
  .hero { padding: 64px 0 48px; }
  :root[data-density="compact"] .hero { padding: 40px 0 32px; }
  .hero-foot, .two-col { grid-template-columns: 1fr; gap: 24px; }
  .mono-line { text-align: left; }
  .section { padding: 64px 0; }
  :root[data-density="compact"] .section { padding: 44px 0; }
  .menu-btn { display: inline-flex; }
  .nav-links { display: none; position: fixed; inset: 56px 0 0; z-index: 48; flex-direction: column; gap: 0; background: var(--paper); padding: 16px 20px; overflow: auto; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 18px 0; font: 400 2rem/1.1 var(--serif); border-bottom: 1px solid var(--rule); animation: rise-in .5s var(--ease) both; animation-delay: calc(var(--i, 0) * 45ms); }
  .nav-links a::after { display: none; }
  .nav-links a:nth-child(1) { --i: 0 } .nav-links a:nth-child(2) { --i: 1 } .nav-links a:nth-child(3) { --i: 2 } .nav-links a:nth-child(4) { --i: 3 } .nav-links a:nth-child(5) { --i: 4 } .nav-links a:nth-child(6) { --i: 5 } .nav-links a:nth-child(7) { --i: 6 }
  @keyframes rise-in { from { opacity: 0; transform: translateY(14px); } }
  .panel { position: fixed; left: 0; right: 0; top: auto; bottom: 0; width: auto; max-width: none; border-radius: 18px 18px 0 0; padding: 16px 20px calc(16px + env(safe-area-inset-bottom)); animation: sheet .35s var(--ease); max-height: 86vh; overflow: auto; }
  @keyframes sheet { from { transform: translateY(100%); } }
  .pref { grid-template-columns: 1fr; gap: 6px; padding: 10px 0; }
  .seg button { min-height: 40px; padding: 6px 12px; }
  .eyebrow { flex-wrap: wrap; gap: 12px 20px; }
  .eyebrow .right { margin-left: 0; flex-basis: 100%; }
  .posts a { grid-template-columns: 1fr; gap: 6px; }
  .posts .tags { text-align: left; white-space: normal; }
  .posts li.lead h3 { font-size: 1.9rem; }
  .pos { grid-template-columns: 1fr; gap: 20px; }
  .pos-head .sym { font-size: 2.4rem; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .logo-grid li { min-height: 130px; }
  .logo-grid li > * { padding: 16px; }
  .logo-grid .mark { font-size: 1.35rem; }
  :root[data-posview="list"] .logo-grid li > * { grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 0; }
  :root[data-posview="list"] .logo-grid .cat { grid-column: 1; }
  :root[data-posview="list"] .logo-grid .note { grid-column: 1 / -1; }
  :root[data-posview="list"] .logo-grid .foot .px { grid-column: 2; grid-row: 1; }
  :root[data-posview="list"] .logo-grid .foot .st { grid-column: 2; grid-row: 2; }
  .tools a, .tools div { grid-template-columns: 1fr; gap: 6px; }
  .prose, .form, .hire { padding-top: 8px; }
  .proof li { grid-template-columns: 1fr; gap: 6px; padding: 18px 0; }
  .proof-k { padding-top: 0; }
  .wrong { padding: 22px; }
}

/* ── Memo furniture: summary, facts, sources ── */
.summary { margin: 0 0 40px; padding: 0; border-top: 1px solid var(--rule-strong); }
.summary div { display: grid; grid-template-columns: 120px 1fr; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.summary dt { font-family: var(--mono); font-size: 0.7rem; letter-spacing: .06em; text-transform: uppercase; color: var(--mute); padding-top: 4px; }
.summary dd { margin: 0; font-size: 1rem; line-height: 1.55; }
.essay h3 { counter-reset: none; }
.facts { margin: 48px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.facts div { background: var(--paper); padding: 18px 16px; display: flex; flex-direction: column-reverse; gap: 10px; }
.facts dt { font-family: var(--mono); font-size: 0.68rem; line-height: 1.45; color: var(--mute); }
.facts dd { margin: 0; font: 400 1.7rem/1 var(--serif); letter-spacing: -0.02em; }
.sources { margin-top: 32px; border-top: 1px solid var(--rule); padding-top: 14px; }
.sources summary { cursor: pointer; font-family: var(--mono); font-size: 0.75rem; letter-spacing: .04em; text-transform: uppercase; color: var(--mute); list-style: none; }
.sources summary::-webkit-details-marker { display: none; }
.sources summary::before { content: "+ "; }
.sources[open] summary::before { content: "− "; }
.sources ol { margin: 14px 0 0; padding-left: 1.4em; font-size: 0.85rem; line-height: 1.6; color: var(--mute); display: grid; gap: 6px; }
.sources ol li::marker { font-family: var(--mono); font-size: 0.72rem; }
.sources a { color: var(--ink); text-decoration-color: var(--faint); text-underline-offset: 3px; }
.sources a:hover { text-decoration-color: var(--ink); }
.wrong li strong { font-weight: 600; }
@media (max-width: 760px) {
  .summary div { grid-template-columns: 1fr; gap: 6px; }
  .facts { grid-template-columns: repeat(2, 1fr); }
  .facts dd { font-size: 1.4rem; }
}