/* ========================================================================
   Maverick 2028 — Prototype Design System
   ========================================================================
   Philosophy: Editorial × Terminal. Serif carries judgment, mono carries
   evidence, sans carries UI. Dark ink, cream paper, signal accents.
   ======================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Merriweather:ital,wght@0,300;0,400;0,700;1,400;1,700&family=JetBrains+Mono:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  /* Ink family */
  --ink:       #0B0C0E;
  --ink-2:     #131418;
  --ink-3:     #1C1E24;
  --ink-4:     #262932;

  /* Paper family (editorial cream, not pure white) */
  --paper:     #F2ECE1;
  --paper-2:   #E6DFD0;
  --paper-3:   #CFC7B6;

  /* Signal accents */
  --signal:    #D97757;   /* orange — unresolved judgments, attention */
  --bronze:    #B8964A;   /* gold — methodology, editorial headers */
  --bronze-display: #D1A84E;
  --verified:  #6BA368;   /* desaturated green — resolved correctly */
  --wrong:     #B8544F;   /* rust — retired / wrong */
  --contrary:  #7A8EC9;   /* blue — opposing view marker */

  /* Fog (muted tones for footnotes, meta) */
  --fog:       #6B6D75;
  --fog-2:     #92939A;
  --fog-3:     #B6B7BD;

  /* Rules */
  --rule:      rgba(242, 236, 225, 0.12);
  --rule-2:    rgba(242, 236, 225, 0.22);
  --topic-line: rgba(242, 236, 225, 0.16);

  /* Typography */
  --display-serif: 'SF Georgian', 'SFGeorgian', 'Baskerville', 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', Georgia, 'Times New Roman', serif;
  --reading-serif: 'Merriweather', Georgia, 'Times New Roman', serif;
  --serif:     var(--display-serif);
  --mono:      'JetBrains Mono', 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
  --sans:      'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --logo-font: 'SF Georgian', 'SFGeorgian', 'Baskerville', 'Georgia', 'Times New Roman', serif;

  /* Layout */
  --max:       1280px;
  --gutter:    24px;
  --radius:    2px;
  --radius-lg: 4px;

  /* Motion */
  --ease:      cubic-bezier(.2, .7, .2, 1);

  color-scheme: dark;
}

html[data-theme="light"] {
  /* Ink family */
  --ink:       #F5F4ED;
  --ink-2:     #ECE9E0;
  --ink-3:     #E1DDD2;
  --ink-4:     #D3CEC2;

  /* Paper family */
  --paper:     #101216;
  --paper-2:   #272A31;
  --paper-3:   #4F535D;

  /* Signal accents */
  --signal:    #93452D;
  --bronze:    #6F531D;
  --bronze-display: #9B6C12;
  --verified:  #3E6E43;
  --wrong:     #8C3734;
  --contrary:  #4F66A7;

  /* Fog */
  --fog:       #9A9489;
  --fog-2:     #746D63;
  --fog-3:     #5F5951;

  /* Rules */
  --rule:      rgba(16, 18, 22, 0.12);
  --rule-2:    rgba(16, 18, 22, 0.22);
  --topic-line: rgba(16, 18, 22, 0.18);

  color-scheme: light;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { background: var(--ink); color: var(--paper); -webkit-font-smoothing: antialiased; }

body {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: 0.005em;
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  transition: background .2s var(--ease), color .2s var(--ease);
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--signal); }

img { max-width: 100%; display: block; }

button { font: inherit; color: inherit; cursor: pointer; background: none; border: none; }
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 1px solid var(--signal);
  outline-offset: 2px;
}

[hidden] {
  display: none !important;
}

body.overlay-open {
  overflow: hidden;
}

/* ============================= Utility ============================= */

.mono { font-family: var(--mono); font-feature-settings: "tnum" 1, "ss01" 1; }
.serif { font-family: var(--serif); }
.reading-serif { font-family: var(--reading-serif); }
.sans { font-family: var(--sans); }
.upper { text-transform: uppercase; letter-spacing: 0.12em; }
.tiny { font-size: 10px; }
.small { font-size: 12px; }
.fog { color: var(--fog-2); }
.fog-3 { color: var(--fog-3); }
.signal { color: var(--signal); }
.bronze { color: var(--bronze); }
.verified { color: var(--verified); }
.wrong { color: var(--wrong); }
.contrary { color: var(--contrary); }
.paper { color: var(--paper); }

.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

.rule       { border-top: 1px solid var(--rule); }
.rule-thick { border-top: 1px solid var(--rule-2); }

.grid-12 { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gutter); }

/* ============================= Top bar ============================= */

.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 12, 14, 0.42);
  backdrop-filter: saturate(1.65) blur(24px);
  -webkit-backdrop-filter: saturate(1.65) blur(24px);
  border-bottom: 1px solid rgba(242, 236, 225, 0.15);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.045) inset;
}
.topbar-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  min-height: 72px;
  padding-top: 10px;
  padding-bottom: 10px;
  gap: 18px;
}
.logo {
  font-family: var(--logo-font);
  font-style: italic;
  font-weight: 600; font-size: 22px; letter-spacing: 0;
  display: inline-flex; align-items: center; gap: 8px;
  line-height: 1;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  line-height: 1;
}
.brand-wordmark {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-family: var(--logo-font);
  font-size: 28px;
  font-style: italic;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  color: var(--paper);
  white-space: nowrap;
}
.logo-mark {
  font-family: var(--mono); font-size: 10px; color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
  border: 1px solid var(--rule-2); padding: 2px 6px;
}
.nav-primary {
  display: flex; gap: 16px;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.11em; text-transform: uppercase;
  color: var(--fog-3);
  min-width: 0;
  justify-content: center;
  justify-self: center;
  align-items: flex-start;
}
.nav-primary a,
.nav-staged-item {
  flex: 0 0 auto;
  white-space: nowrap;
}
.nav-primary a:hover { color: var(--paper); }
.nav-brand-token {
  color: var(--bronze);
}
.nav-staged-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--fog-3);
  cursor: default;
  white-space: nowrap;
}
.nav-stage-badge {
  position: absolute;
  top: -15px;
  right: -22px;
  padding: 1px 5px;
  border: 1px solid rgba(217, 119, 87, 0.44);
  background: var(--ink);
  color: var(--signal);
  font-size: 8px;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-transform: none;
}
.nav-item-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.nav-submenu-link {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: none;
  color: var(--bronze);
}
.nav-submenu-link:hover {
  color: var(--signal);
}
.nav-end {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  justify-content: end;
  column-gap: 12px;
  row-gap: 8px;
}
.control-cluster {
  display: flex; align-items: center; gap: 8px;
  grid-column: 1 / -1;
  justify-content: flex-end;
}
.topbar-home .topbar-row {
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
}
.topbar-home .nav-end {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 12px;
}
.topbar-home .utility-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: nowrap;
}
.topbar-home .utility-row > * {
  box-sizing: border-box;
  min-height: 44px;
}
.language-bar {
  padding-top: 10px;
}
.language-bar-row {
  display: flex;
  justify-content: flex-end;
}
.language-bar .topbar-search {
  width: min(100%, 252px);
  min-width: 102px;
  min-height: 42px;
  padding: 0 16px;
  align-items: center;
  justify-content: flex-end;
}
.segmented-control {
  display: inline-flex; align-items: center;
  border: 1px solid var(--rule-2);
  background: var(--ink-2);
}
.segmented-btn,
.theme-toggle {
  min-height: 32px;
  font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--fog-3);
}
.segmented-btn {
  min-width: 44px;
  padding: 7px 10px;
  border-right: 1px solid var(--rule);
}
.segmented-btn:last-child { border-right: none; }
.segmented-btn.is-active,
.segmented-btn[aria-pressed="true"] {
  background: var(--paper);
  color: var(--ink);
}
.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--rule-2);
  background: var(--ink-2);
  color: var(--paper-2);
}
.theme-toggle:hover,
.segmented-btn:hover {
  border-color: var(--signal);
  color: var(--signal);
}
.theme-toggle[aria-pressed="true"] {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}
.cmdk {
  font-family: var(--mono); font-size: 11px;
  color: var(--fog-2);
  border: 1px solid var(--rule-2); padding: 4px 8px;
  display: inline-flex; gap: 10px; align-items: center;
}
.topbar-home .cmdk,
.topbar-home .theme-toggle,
.topbar-home .btn {
  min-height: 44px;
  padding: 0 16px;
  align-items: center;
  justify-content: center;
}
.topbar-home .theme-toggle {
  min-width: 86px;
}
.topbar-home .btn {
  display: inline-flex;
  min-width: 110px;
  line-height: 1;
  text-align: center;
}
.topbar-home .btn-signal {
  min-width: 130px;
}
.topbar-home .btn-status {
  min-width: 150px;
  border-color: var(--signal);
  color: var(--paper);
  background: rgba(217, 119, 87, 0.08);
  gap: 10px;
  position: relative;
}
.topbar-home .btn-status:hover {
  background: rgba(217, 119, 87, 0.14);
  color: var(--paper);
}
.member-menu-root {
  position: relative;
}
.member-menu {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: min(280px, calc(100vw - 32px));
  border: 1px solid var(--rule-2);
  background: #050608;
  color: var(--paper);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.42);
  z-index: 80;
}
.member-menu::before {
  content: "";
  position: absolute;
  top: -7px;
  right: 28px;
  width: 12px;
  height: 12px;
  background: #050608;
  border-left: 1px solid var(--rule-2);
  border-top: 1px solid var(--rule-2);
  transform: rotate(45deg);
}
.member-menu-head {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 18px 18px 16px;
  background: rgba(242, 236, 225, 0.09);
  border-bottom: 1px solid var(--rule);
}
.member-menu-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 32%, var(--paper) 0 22%, transparent 24%),
    radial-gradient(ellipse at 50% 82%, var(--paper) 0 35%, transparent 37%);
  opacity: 0.92;
}
.member-menu-title {
  font-family: var(--sans);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
}
.member-menu-email,
.member-menu-meta {
  margin-top: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fog-2);
}
.member-menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 18px;
  color: var(--paper);
  background: transparent;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  text-align: left;
  transition: background .15s var(--ease), color .15s var(--ease);
}
.member-menu-item:hover {
  background: rgba(217, 119, 87, 0.12);
  color: var(--signal);
}
.member-menu-signout-icon {
  position: relative;
  width: 24px;
  height: 24px;
  border: 2px solid currentColor;
  border-right: 0;
}
.member-menu-signout-icon::before {
  content: "";
  position: absolute;
  right: -7px;
  top: 10px;
  width: 14px;
  height: 2px;
  background: currentColor;
}
.member-menu-signout-icon::after {
  content: "";
  position: absolute;
  right: -7px;
  top: 6px;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
}
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--verified);
  box-shadow: 0 0 0 3px rgba(107, 163, 104, 0.18);
}
.cmdk-trigger:hover {
  border-color: var(--signal);
  color: var(--signal);
}
.topbar-search {
  flex-shrink: 0;
}
.cmdk kbd {
  font-family: var(--mono); font-size: 10px;
  background: var(--ink-3); padding: 1px 5px; border-radius: 2px;
  color: var(--fog-3);
}
.btn {
  font-family: var(--mono); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.14em;
  padding: 8px 14px;
  border: 1px solid var(--paper);
  color: var(--paper);
  background: transparent;
  transition: background .15s var(--ease), color .15s var(--ease);
}
.btn:hover { background: var(--paper); color: var(--ink); }
.btn-signal {
  border-color: var(--signal); color: var(--signal);
}
.btn-signal:hover { background: var(--signal); color: var(--ink); }
.btn-solid {
  background: var(--bronze); color: var(--ink); border-color: var(--bronze);
}
.btn-solid:hover { background: var(--signal); border-color: var(--signal); color: var(--ink); }

/* ============================= Masthead ============================= */

.masthead { padding: 48px 0 56px; }
.home-masthead {
  padding-top: 28px;
}
.status-strip {
  font-family: var(--mono); font-size: 11px;
  color: var(--fog-2);
  letter-spacing: 0.12em; text-transform: uppercase;
  display: flex; flex-wrap: wrap; gap: 24px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--rule);
}
.status-strip .dot {
  width: 6px; height: 6px; border-radius: 50%;
  display: inline-block; margin-right: 8px;
  vertical-align: middle;
}
.dot-signal   { background: var(--signal); box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.18); }
.dot-verified { background: var(--verified); }
.dot-bronze   { background: var(--bronze); }
.dot-wrong    { background: var(--wrong); }

.hero-h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(48px, 6.2vw, 92px);
  line-height: 0.98; letter-spacing: 0;
  margin: 56px 0 32px;
  max-width: 980px;
}
.home-masthead .hero-h1 {
  margin-top: 24px;
}
.hero-h1 em { font-style: italic; color: var(--bronze); font-weight: 500; }
.hero-h1 em { color: var(--bronze-display); }
html[data-language="zh-Hant"] .hero-h1 {
  line-height: 1.04;
}
.hero-sub {
  font-family: var(--reading-serif);
  font-size: 21px;
  font-style: italic;
  color: var(--paper-2);
  line-height: 1.55;
  letter-spacing: 0;
  max-width: 760px;
}
.hero-cta-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.hero-meta {
  display: flex; gap: 48px; margin-top: 56px;
  padding-top: 32px; border-top: 1px solid var(--rule);
}
.hero-meta-item { display: flex; flex-direction: column; gap: 6px; }
.hero-meta-item .k {
  font-family: var(--mono); font-size: 10px;
  color: var(--fog); letter-spacing: 0.14em; text-transform: uppercase;
}
.hero-meta-item .v {
  font-family: var(--serif); font-size: 28px; font-weight: 500;
  letter-spacing: 0;
}
.hero-meta-item .v.paper-2 { color: var(--paper-2); }
.hero-meta-item .v.verified { color: var(--verified); }
.hero-meta-item .v.wrong { color: var(--wrong); }
.hero-meta-item .v.bronze { color: var(--bronze); }
.hero-meta-item__unit {
  font-size: 13px;
  letter-spacing: 0.08em;
}

/* ============================= Sections ============================= */

.section {
  padding: 96px 0;
  border-top: 1px solid var(--rule);
}
.section-tight { padding: 64px 0; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.card-stack {
  display: grid;
  gap: 18px;
}

.info-card {
  border: 1px solid var(--rule);
  background: var(--ink-2);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.info-card h3 {
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.08;
  font-weight: 500;
}

.info-card p {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--paper-2);
  line-height: 1.55;
}

.card-tag {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--bronze);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.card-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fog-2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.muted-card {
  opacity: 0.74;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.list-table {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.list-row {
  display: grid;
  grid-template-columns: 1.1fr 120px 2fr 1.1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--paper-2);
}

.list-row:first-child {
  border-top: none;
}

.list-row span:first-child {
  color: var(--paper);
}

.list-row-head {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--bronze);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.list-row-head span:first-child {
  color: var(--bronze);
}

.section-label {
  font-family: var(--mono); font-size: 11px;
  color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.section-label::before {
  content: ""; width: 24px; height: 1px; background: var(--bronze);
  display: inline-block;
}
.section-title {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.1; letter-spacing: 0;
  max-width: 780px;
  margin-bottom: 16px;
}
.section-kicker {
  font-family: var(--reading-serif); font-style: italic;
  font-size: 17px; color: var(--fog-3);
  max-width: 640px;
  margin-bottom: 48px;
}

/* ============================= Thesis ============================= */

.thesis {
  display: grid; grid-template-columns: 1fr 1fr auto 1fr; gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  align-items: baseline;
}
.thesis:last-of-type { border-bottom: 1px solid var(--rule); }
.thesis-tag {
  font-family: var(--mono); font-size: 10px;
  color: var(--fog); letter-spacing: 0.16em; text-transform: uppercase;
  padding-top: 10px;
}
.thesis-consensus {
  font-family: var(--reading-serif); font-style: italic;
  font-size: 19px; color: var(--fog-2);
  text-decoration: line-through;
  text-decoration-color: rgba(146, 147, 154, 0.3);
}
.thesis-arrow {
  font-family: var(--mono); color: var(--signal);
  font-size: 18px; padding-top: 4px;
}
.thesis-reading {
  font-family: var(--reading-serif); font-size: 22px;
  line-height: 1.3; letter-spacing: 0;
  font-weight: 500;
}
.thesis-cite {
  display: block; margin-top: 10px;
  font-family: var(--mono); font-size: 10px;
  color: var(--fog-2); letter-spacing: 0.12em; text-transform: uppercase;
}
.thesis-cite a,
.signal-link {
  color: var(--signal);
}

/* ============================= ACDP widget ============================= */

.acdp-wrap {
  background: var(--ink-2);
  border: 1px solid var(--rule-2);
  display: grid; grid-template-columns: 340px 1fr;
  overflow: hidden;
}
.acdp-lede {
  padding: 40px 36px;
  border-right: 1px solid var(--rule);
  display: flex; flex-direction: column; justify-content: space-between;
  gap: 32px;
}
.acdp-lede h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: 30px; line-height: 1.1; letter-spacing: 0;
}
.acdp-lede h3 .bracket {
  font-family: var(--mono); color: var(--bronze); font-size: 14px;
  display: block; margin-bottom: 6px;
  letter-spacing: 0.18em; text-transform: uppercase;
}
.acdp-lede p {
  font-family: var(--reading-serif); font-style: italic;
  font-size: 15px; color: var(--fog-3);
}
.acdp-lede .stats {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px 12px;
  padding-top: 20px; border-top: 1px solid var(--rule);
}
.acdp-lede .stats .k {
  font-family: var(--mono); font-size: 10px; color: var(--fog);
  letter-spacing: 0.14em; text-transform: uppercase;
}
.acdp-lede .stats .v {
  font-family: var(--mono); font-size: 22px;
  color: var(--paper-2); margin-top: 2px;
}
.acdp-panel { padding: 40px 36px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.acdp-col-title {
  font-family: var(--mono); font-size: 10px;
  color: var(--bronze); letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 20px;
}

/* inputs */
.field { margin-bottom: 22px; }
.field-k {
  font-family: var(--mono); font-size: 11px;
  color: var(--fog-3); letter-spacing: 0.08em;
  display: flex; justify-content: space-between;
  margin-bottom: 8px;
}
.field-k .v { color: var(--paper); }
.select {
  width: 100%; padding: 10px 12px;
  border: 1px solid var(--rule-2); background: var(--ink);
  font-family: var(--mono); font-size: 13px; color: var(--paper);
  display: flex; justify-content: space-between;
}
.select .caret { color: var(--fog-2); }
.select-shell {
  display: block;
  position: relative;
}
.select-shell::after {
  content: "▾";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fog-2);
  pointer-events: none;
  font-family: var(--mono);
  font-size: 12px;
}
.select-input {
  width: 100%;
  padding: 10px 32px 10px 12px;
  border: 1px solid var(--rule-2);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 13px;
  appearance: none;
}
.slider-shell {
  position: relative;
  height: 20px;
  display: flex;
  align-items: center;
}
.range-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 20px;
  opacity: 0;
  cursor: pointer;
}
.slider-track {
  position: relative; height: 2px; background: var(--rule-2); margin: 14px 0 4px;
}
.slider-shell .slider-track {
  width: 100%;
  margin: 0;
}
.slider-fill { position: absolute; height: 2px; background: var(--signal); }
.slider-thumb {
  position: absolute; top: 50%; width: 12px; height: 12px;
  border: 1px solid var(--signal); background: var(--ink);
  transform: translate(-50%, -50%);
}
.slider-ticks {
  font-family: var(--mono); font-size: 10px; color: var(--fog);
  display: flex; justify-content: space-between;
  letter-spacing: 0.08em;
}

/* outputs */
.output { margin-bottom: 26px; }
.output-k {
  font-family: var(--mono); font-size: 11px;
  color: var(--fog-3); letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.output-v {
  font-family: var(--serif); font-weight: 500;
  font-size: 36px; line-height: 1; letter-spacing: 0;
  display: flex; align-items: baseline; gap: 8px;
}
.output-v .pct { color: var(--signal); }
.output-v .unit {
  font-family: var(--mono); font-size: 12px;
  color: var(--fog-2); letter-spacing: 0.1em; text-transform: uppercase;
}
.output-v--compact {
  font-size: 24px;
}
.bar {
  height: 4px; background: var(--ink-3); margin-top: 12px; overflow: hidden;
  position: relative;
}
.bar-fill { height: 100%; background: var(--signal); }
.bar-fill.verified { background: var(--verified); }
.bar-fill.bronze { background: var(--bronze); }
.bar-scale {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 10px; color: var(--fog);
  margin-top: 6px; letter-spacing: 0.1em;
}
.chip {
  display: inline-block;
  font-family: var(--mono); font-size: 11px;
  padding: 3px 8px; border: 1px solid var(--rule-2);
  color: var(--paper-2); letter-spacing: 0.04em;
  margin-right: 6px; margin-bottom: 6px;
}
.chip.signal { border-color: var(--signal); color: var(--signal); }
.chip.verified { border-color: var(--verified); color: var(--verified); }
.chip.wrong { border-color: var(--wrong); color: var(--wrong); }
.chip.contrary { border-color: var(--contrary); color: var(--contrary); }
.chip.bronze { border-color: var(--bronze); color: var(--bronze); }

.acdp-actions { display: flex; gap: 12px; padding-top: 20px; border-top: 1px solid var(--rule); margin-top: 8px; grid-column: 1 / -1; }

/* ============================= Ledger ============================= */

.ledger-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 24px;
}
.ledger-filters {
  display: flex; gap: 16px;
  font-family: var(--mono); font-size: 11px;
  color: var(--fog-3); letter-spacing: 0.08em;
}
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fog-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}
.filter-chip:hover,
.filter-chip.is-active {
  color: var(--paper);
  border-bottom-color: var(--signal);
}
.filter-chip__count {
  font-size: 10px;
}
.ledger-link {
  color: var(--signal);
  letter-spacing: 0.08em;
}

.ledger {
  border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: 13px;
}
.ledger-row {
  display: grid;
  grid-template-columns: 72px 96px 120px 1fr 120px 100px 72px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  align-items: center;
  column-gap: 16px;
  transition: background .15s var(--ease);
}
.ledger-row:hover { background: var(--ink-2); }
.ledger-id { color: var(--fog); letter-spacing: 0.04em; }
.ledger-date { color: var(--fog-2); }
.ledger-topic {
  color: var(--bronze); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase;
}
.ledger-claim {
  font-family: var(--serif); font-size: 15px;
  color: var(--paper);
  line-height: 1.35; font-weight: 400;
}
.ledger-conviction { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--fog-2); }
.ledger-bar { width: 60px; height: 2px; background: var(--ink-3); position: relative; }
.ledger-bar::before {
  content: ""; position: absolute; left: 0; top: 0; height: 100%;
  background: var(--paper-2);
}
.ledger-bar[data-c="72"]::before { width: 72%; }
.ledger-bar[data-c="58"]::before { width: 58%; background: var(--bronze); }
.ledger-bar[data-c="81"]::before { width: 81%; background: var(--signal); }
.ledger-bar[data-c="64"]::before { width: 64%; }
.ledger-bar[data-c="88"]::before { width: 88%; background: var(--verified); }
.ledger-bar[data-c="41"]::before { width: 41%; background: var(--wrong); }
.ledger-bar[data-c="67"]::before { width: 67%; }
.ledger-bar[data-c="75"]::before { width: 75%; }
.ledger-status { font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; }
.ledger-status.standing { color: var(--bronze); }
.ledger-status.resolved { color: var(--verified); }
.ledger-status.wrong { color: var(--wrong); }
.ledger-status.active { color: var(--signal); }
.ledger-arrow { color: var(--fog); text-align: right; }
.ledger-row:hover .ledger-arrow { color: var(--signal); }
.ledger-row[role="link"] {
  cursor: pointer;
}

/* ============================= Topic Map ============================= */

.topic-wrap { position: relative; padding: 40px 0; }
.topic-svg { width: 100%; height: auto; max-height: 520px; }
.topic-hotspots {
  position: absolute;
  inset: 40px 0;
}
.topic-hotspot {
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid var(--paper);
  background: color-mix(in oklab, var(--ink-2) 85%, transparent);
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0);
  transition: box-shadow .15s var(--ease), transform .15s var(--ease), border-color .15s var(--ease);
}
.topic-hotspot.signal { border-color: var(--signal); }
.topic-hotspot.bronze { border-color: var(--bronze); }
.topic-hotspot.paper { border-color: var(--paper); }
.topic-hotspot:hover {
  transform: translate(-50%, -50%) scale(1.08);
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--signal) 20%, transparent);
}
.topic-legend {
  display: flex; gap: 32px; margin-top: 24px;
  font-family: var(--mono); font-size: 11px; color: var(--fog-3);
  letter-spacing: 0.08em;
}

/* ============================= Featured ============================= */

.featured-grid {
  display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px;
}
.pillar-card {
  border: 1px solid var(--rule);
  padding: 32px 32px 36px;
  display: flex; flex-direction: column; gap: 20px;
  background: var(--ink-2);
  min-height: 520px;
}
.card-link {
  transition: border-color .15s var(--ease), background .15s var(--ease), transform .15s var(--ease);
}
.card-link:hover {
  border-color: var(--signal);
  color: inherit;
  transform: translateY(-1px);
}
.pillar-card .tag {
  font-family: var(--mono); font-size: 11px; color: var(--bronze);
  letter-spacing: 0.14em; text-transform: uppercase;
}
.pillar-card h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: 44px; line-height: 1.05; letter-spacing: 0;
}
.pillar-card p {
  font-family: var(--serif); font-size: 17px;
  color: var(--paper-2); line-height: 1.5;
  max-width: 540px;
}
.pillar-card .meta {
  display: flex; gap: 20px; margin-top: auto;
  font-family: var(--mono); font-size: 11px; color: var(--fog-2);
  letter-spacing: 0.08em;
  padding-top: 20px; border-top: 1px solid var(--rule);
}
.pillar-card .mini-viz {
  margin-top: 16px; padding: 20px;
  background: var(--ink); border: 1px solid var(--rule);
}

.right-stack { display: flex; flex-direction: column; gap: 20px; }
.depth-card {
  padding: 20px 0; border-bottom: 1px solid var(--rule);
  display: flex; flex-direction: column; gap: 8px;
}
.depth-card .tag {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--bronze);
}
.depth-card h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: 22px; line-height: 1.2; letter-spacing: 0;
}
.depth-card .meta {
  font-family: var(--mono); font-size: 10px; color: var(--fog-2);
  letter-spacing: 0.1em; margin-top: 4px;
}
.depth-card-copy {
  font-family: var(--reading-serif);
  color: var(--fog-3);
  font-size: 14px;
}
.depth-card--last {
  border-bottom: none;
}
.card-link-reset {
  border-bottom: none;
}

.signals-wrap { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--rule); }
.signals-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
}
.signal-card {
  display: flex; flex-direction: column; gap: 8px;
  padding: 20px;
  border: 1px solid var(--rule);
  background: color-mix(in oklab, var(--ink-2) 60%, transparent);
}
.signal-card .k {
  font-family: var(--mono); font-size: 10px;
  color: var(--signal);
  letter-spacing: 0.14em; text-transform: uppercase;
}
.signal-card h4 {
  font-family: var(--serif); font-weight: 500;
  font-size: 15px; line-height: 1.35;
}
.signal-card .meta {
  font-family: var(--mono); font-size: 10px; color: var(--fog-2);
  letter-spacing: 0.1em; margin-top: auto;
}

/* ============================= Methodology ============================= */

.method-strip {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.method-cell {
  padding: 28px 28px 30px;
  border: 1px solid rgba(242, 236, 225, 0.08);
  background: rgba(19, 20, 24, 0.44);
  display: flex; flex-direction: column; gap: 16px;
}
.method-cell .mark {
  width: 48px; height: 48px;
  border: 1px solid rgba(184, 150, 74, 0.72);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-size: 18px; color: var(--bronze);
}
.method-cell h4 {
  font-family: var(--serif); font-weight: 500;
  font-size: 22px; line-height: 1.2; letter-spacing: 0;
}
.method-cell p {
  font-family: var(--reading-serif); font-size: 14px;
  color: var(--fog-3); line-height: 1.5;
}
/* ============================= Subscribe ============================= */

.sub-wrap {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--rule-2);
}
.sub-tier {
  padding: 40px 32px;
  border-right: 1px solid var(--rule);
  display: flex; flex-direction: column; gap: 20px;
}
.sub-tier:last-child { border-right: none; }
.sub-tier.featured { background: var(--ink-2); position: relative; }
.sub-tier.featured::before {
  content: "MAIN"; position: absolute; top: 0; left: 0;
  padding: 4px 10px; background: var(--signal); color: var(--ink);
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em;
}
html[data-language="zh-Hant"] .sub-tier.featured::before { content: "主推"; }
.sub-tier h4 {
  font-family: var(--serif); font-weight: 500;
  font-size: 26px; letter-spacing: 0;
}
.sub-tier .price {
  font-family: var(--serif); font-size: 36px; font-weight: 500;
  letter-spacing: 0;
  display: flex; align-items: baseline; gap: 8px;
}
.sub-tier .price .per {
  font-family: var(--mono); font-size: 12px;
  color: var(--fog-2); letter-spacing: 0.08em;
}
.sub-tier ul {
  list-style: none;
  font-family: var(--reading-serif); font-size: 14px;
  line-height: 1.6; color: var(--paper-2);
}
.sub-list-strong {
  color: var(--paper);
}
.sub-tier ul li { padding-left: 20px; position: relative; margin-bottom: 6px; }
.sub-tier ul li::before {
  content: "+"; position: absolute; left: 0; top: 0;
  font-family: var(--mono); color: var(--bronze);
}
.sub-tier .founders-count {
  font-family: var(--mono); font-size: 11px; color: var(--signal);
  letter-spacing: 0.08em;
}
.sub-tier-btn { margin-top: auto; }
.subscribe-form {
  display: flex;
  gap: 8px;
}
.subscribe-form--compact {
  max-width: 420px;
}
.subscribe-input {
  flex: 1;
  padding: 10px 12px;
  background: var(--ink);
  border: 1px solid var(--rule-2);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
}
.subscribe-form--compact .subscribe-input {
  min-height: 44px;
}
.sub-status {
  min-height: 18px;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--signal);
  letter-spacing: 0.06em;
}
.btn--block {
  display: inline-block;
  width: 100%;
  text-align: center;
}
.sub-note {
  margin-top: 10px;
  letter-spacing: 0.08em;
}
.sub-actions {
  display: flex;
  gap: 8px;
}
.sub-action {
  flex: 1;
  text-align: center;
}

.waitlist-panel {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 5.5vw, 76px) clamp(28px, 6vw, 72px);
  border: 1px solid rgba(184, 150, 74, 0.34);
  background:
    radial-gradient(circle at 78% 12%, rgba(217, 119, 87, 0.08), transparent 34%),
    linear-gradient(110deg, rgba(19, 20, 24, 0.96), rgba(24, 22, 21, 0.96));
}

.waitlist-watermark {
  position: absolute;
  left: -48px;
  top: 42%;
  z-index: 0;
  color: rgba(184, 150, 74, 0.06);
  font-family: var(--mono);
  font-size: clamp(84px, 12vw, 172px);
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  transform: rotate(-36deg);
  pointer-events: none;
  white-space: nowrap;
}

.waitlist-kicker-row,
.waitlist-title,
.waitlist-copy,
.waitlist-form,
.waitlist-note {
  position: relative;
  z-index: 1;
}

.waitlist-kicker-row {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-bottom: 40px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.waitlist-badge {
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 26px;
  background: var(--bronze);
  color: var(--ink);
}

.waitlist-kicker {
  color: var(--bronze);
}

.waitlist-kicker strong {
  color: var(--paper);
  font-weight: 700;
}

.waitlist-title {
  max-width: 1040px;
  margin-bottom: 34px;
  color: var(--paper);
  font-family: var(--serif);
  font-size: clamp(48px, 5.7vw, 84px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: 0;
}

.waitlist-title em {
  color: var(--bronze-display);
  font-style: italic;
  font-weight: 500;
}

.waitlist-copy {
  max-width: 920px;
  color: var(--paper-2);
  font-family: var(--reading-serif);
  font-size: clamp(20px, 2vw, 30px);
  font-style: italic;
  line-height: 1.65;
  margin-bottom: 38px;
}

.waitlist-form {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(240px, 410px);
  gap: 20px;
  max-width: 1188px;
}

.waitlist-input,
.waitlist-submit {
  min-height: 74px;
  border: 1px solid var(--rule-2);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.waitlist-input {
  width: 100%;
  padding: 0 30px;
  background: rgba(11, 12, 14, 0.68);
  color: var(--paper);
}

.waitlist-input::placeholder {
  color: var(--fog-2);
}

.waitlist-submit {
  cursor: pointer;
  background: var(--bronze);
  color: var(--ink);
  font-weight: 700;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.waitlist-submit:hover {
  background: var(--signal);
  border-color: var(--signal);
}

.waitlist-submit:disabled {
  cursor: wait;
  opacity: 0.72;
}

.waitlist-note {
  min-height: 1.7em;
  margin-top: 18px;
  color: var(--fog-2);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ============================= Footer ============================= */

.footer {
  border-top: 1px solid var(--rule-2);
  padding: 64px 0 32px;
  background: var(--ink);
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px;
}
.footer-brand-logo {
  display: block;
  margin-bottom: 12px;
  font-family: var(--logo-font);
  font-size: 44px;
  font-style: italic;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  color: var(--paper);
}
.footer-brand p {
  font-family: var(--reading-serif); font-style: italic;
  font-size: 14px; color: var(--fog-3);
  max-width: 360px;
}
.footer-brand-meta {
  margin-top: 12px;
  font-style: normal;
  color: var(--fog-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.mini-viz-kicker {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--bronze);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.mini-viz-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fog-2);
  letter-spacing: 0.08em;
  margin-top: 8px;
}
.footer-col h6 {
  font-family: var(--mono); font-size: 10px;
  color: var(--bronze); letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { font-size: 13px; margin-bottom: 8px; color: var(--paper-2); }
.footer-col li a:hover { color: var(--signal); }
.footer-col li a {
  display: inline-block;
}
.footer-col button {
  display: inline-block;
  color: inherit;
  font: inherit;
  text-align: left;
}
.footer-col button:hover {
  color: var(--signal);
}
.footer-bottom {
  display: flex; justify-content: space-between;
  padding-top: 24px; border-top: 1px solid var(--rule);
  font-family: var(--mono); font-size: 10px; color: var(--fog);
  letter-spacing: 0.12em; text-transform: uppercase;
}

/* ============================= Overlays ============================= */

.overlay-shell {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  padding: 24px;
}
.overlay-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(11, 12, 14, 0.78);
}
.overlay-panel {
  position: relative;
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  background: var(--ink-2);
  border: 1px solid var(--rule-2);
  padding: 24px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}
.overlay-panel-search {
  width: min(720px, calc(100vw - 32px));
}
.overlay-panel-success {
  width: min(620px, calc(100vw - 32px));
}
.overlay-panel-account {
  width: min(680px, calc(100vw - 32px));
}
.overlay-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}
.overlay-kicker,
.overlay-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--bronze);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.overlay-head h3 {
  margin-top: 8px;
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 500;
  line-height: 1.05;
}
.overlay-close {
  width: 32px;
  height: 32px;
  border: 1px solid var(--rule-2);
  color: var(--fog-2);
  font-size: 20px;
}
.overlay-search-input,
.overlay-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--rule-2);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 13px;
}
.overlay-select {
  appearance: none;
}
.overlay-results {
  display: grid;
  gap: 10px;
}
.overlay-result {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--rule);
  background: var(--ink);
}
.overlay-result:hover {
  border-color: var(--signal);
  color: inherit;
}
.overlay-result-title {
  font-family: var(--serif);
  font-size: 21px;
  line-height: 1.15;
}
.overlay-result-meta,
.overlay-note,
.overlay-empty,
.member-tier {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fog-2);
  letter-spacing: 0.06em;
}
.overlay-note {
  margin-top: 12px;
  line-height: 1.55;
}
.overlay-empty {
  margin-top: 14px;
}
.overlay-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.member-form,
.member-session {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.member-session-card {
  border: 1px solid var(--rule);
  background: var(--ink);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.member-account-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.member-account-stat,
.member-activity {
  border: 1px solid var(--rule);
  background: var(--ink);
  padding: 14px 16px;
}
.member-account-k,
.member-activity-row span {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fog-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.member-account-v,
.member-activity-row strong {
  display: block;
  margin-top: 6px;
  color: var(--paper);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.04em;
}
.member-activity {
  display: grid;
  gap: 10px;
}
.member-activity-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-top: 10px;
  border-top: 1px solid var(--rule);
}
.member-activity-row strong {
  margin-top: 0;
  text-align: right;
  color: var(--fog-1);
}
.member-email {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.1;
}
.subscribe-success-card {
  margin-top: 18px;
}
.toast-stack {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 140;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.toast {
  min-width: 260px;
  max-width: 360px;
  padding: 12px 14px;
  border: 1px solid var(--rule-2);
  background: var(--ink-2);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  transform: translateY(8px);
  opacity: 0;
  transition: transform .18s var(--ease), opacity .18s var(--ease);
}
.toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1180px) {
  .topbar-row {
    height: auto;
    padding: 12px 0;
    gap: 12px 20px;
    flex-wrap: wrap;
  }

  .nav-primary {
    order: 3;
    width: 100%;
    gap: 18px;
  }

  .topbar-home .topbar-search {
    order: 4;
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }

  .nav-end {
    gap: 10px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

@media (max-width: 780px) {
  .logo-mark {
    display: none;
  }

  .cmdk kbd {
    display: none;
  }

  .btn {
    padding: 8px 10px;
  }
}

/* ============================= Pillar page specific ============================= */

.pillar-hero {
  padding: 56px 0 48px;
}
.pillar-hero .breadcrumb {
  font-family: var(--mono); font-size: 11px; color: var(--fog-2);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 24px;
}
.pillar-hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(42px, 5vw, 76px);
  line-height: 1.02; letter-spacing: 0;
  max-width: 920px;
  margin-bottom: 24px;
}
.pillar-hero .thesis-line {
  font-family: var(--serif); font-style: italic;
  font-size: 22px; color: var(--bronze);
  max-width: 720px;
  padding-left: 20px; border-left: 2px solid var(--bronze);
  margin-bottom: 40px;
}
.pillar-stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
  border: 1px solid var(--rule-2);
}
.pillar-stat {
  padding: 20px 24px;
  border-right: 1px solid var(--rule);
  display: flex; flex-direction: column; gap: 6px;
}
.pillar-stat:last-child { border-right: none; }
.pillar-stat .k {
  font-family: var(--mono); font-size: 10px; color: var(--fog);
  letter-spacing: 0.14em; text-transform: uppercase;
}
.pillar-stat .v {
  font-family: var(--serif); font-size: 28px; font-weight: 500;
  letter-spacing: 0;
}

.series-wrap {
  display: grid; grid-template-columns: 200px 1fr; gap: 48px;
  padding-top: 24px;
}
.series-side h3 {
  font-family: var(--mono); font-size: 11px; color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 16px;
}
.series-side ul { list-style: none; }
.series-side li {
  font-family: var(--mono); font-size: 12px; color: var(--fog-2);
  padding: 8px 0; border-bottom: 1px solid var(--rule);
  display: flex; justify-content: space-between;
}
.series-side li.active { color: var(--signal); }
.series-item {
  display: grid; grid-template-columns: 64px 1fr 96px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  gap: 24px; align-items: baseline;
}
.series-item:last-child { border-bottom: 1px solid var(--rule); }
.series-num {
  font-family: var(--mono); font-size: 48px; color: var(--bronze);
  font-weight: 300; letter-spacing: 0;
  line-height: 1;
}
.series-body h3 {
  font-family: var(--serif); font-size: 28px; font-weight: 500;
  letter-spacing: 0; line-height: 1.1;
  margin-bottom: 10px;
}
.series-body p {
  font-family: var(--serif); font-size: 15px; color: var(--fog-3);
  max-width: 620px; line-height: 1.5;
}
.series-body .meta {
  font-family: var(--mono); font-size: 10px; color: var(--fog-2);
  letter-spacing: 0.12em; margin-top: 12px;
}
.series-conviction {
  text-align: right;
  display: flex; flex-direction: column; gap: 6px; align-items: flex-end;
}
.series-conviction .k {
  font-family: var(--mono); font-size: 9px; color: var(--fog);
  letter-spacing: 0.14em; text-transform: uppercase;
}
.series-conviction .v {
  font-family: var(--mono); font-size: 28px; color: var(--paper);
  font-weight: 500;
}
.series-conviction .bar {
  width: 80px; margin-top: 4px;
}

/* ============================= Post page specific ============================= */

.post-layout {
  display: grid; grid-template-columns: 220px minmax(0, 1fr) 280px;
  gap: 64px;
  padding: 48px 0 96px;
}
.post-toc {
  position: sticky; top: 80px;
  align-self: start;
  font-family: var(--mono); font-size: 11px;
  color: var(--fog-2); letter-spacing: 0.06em;
}
.post-toc h5 {
  color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 16px;
  font-size: 10px;
}
.post-toc ul { list-style: none; }
.post-toc li {
  padding: 6px 0 6px 12px;
  border-left: 1px solid var(--rule);
}
.post-toc li.active {
  color: var(--paper); border-left-color: var(--signal);
}
.post-toc li a:hover { color: var(--paper); }

.post-main { max-width: 680px; }
.post-head {
  padding-bottom: 40px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 48px;
}
.post-tags {
  font-family: var(--mono); font-size: 11px;
  color: var(--bronze); letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 20px;
  display: flex; gap: 12px;
}
.post-h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(38px, 4.4vw, 60px);
  line-height: 1.04; letter-spacing: 0;
  margin-bottom: 16px;
}
.post-dek {
  font-family: var(--serif); font-style: italic;
  font-size: 22px; color: var(--fog-3);
  line-height: 1.4;
  max-width: 620px;
  margin-bottom: 32px;
}
.post-meta {
  display: flex; gap: 24px;
  font-family: var(--mono); font-size: 11px;
  color: var(--fog-2); letter-spacing: 0.06em;
}
.post-meta .issued { color: var(--paper-2); }
.post-meta a { color: var(--signal); }

.version-log {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--ink-2);
  border-left: 2px solid var(--bronze);
  font-family: var(--mono); font-size: 11px; color: var(--fog-3);
  line-height: 1.6; letter-spacing: 0.02em;
}
.version-log .v { color: var(--paper-2); }
.version-log .plus { color: var(--verified); }
.version-log .minus { color: var(--wrong); }

.post-body { font-family: var(--serif); font-size: 19px; line-height: 1.65; color: var(--paper); }
.post-body h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: 32px; letter-spacing: 0;
  margin: 64px 0 20px;
  line-height: 1.15;
}
.post-body h3 {
  font-family: var(--serif); font-weight: 600;
  font-size: 21px;
  margin: 40px 0 14px;
}
.post-body p { margin-bottom: 22px; }
.post-body p em { color: var(--bronze); }
.post-body blockquote {
  font-family: var(--serif); font-style: italic;
  font-size: 26px; line-height: 1.35; color: var(--paper-2);
  border-left: 2px solid var(--signal);
  padding: 8px 0 8px 24px;
  margin: 40px 0;
}

.claim-box {
  display: flex; gap: 20px;
  padding: 24px;
  background: var(--ink-2);
  border: 1px solid var(--rule-2);
  margin: 32px 0;
}
.claim-meta {
  width: 120px; flex-shrink: 0;
}
.claim-meta .k {
  font-family: var(--mono); font-size: 9px; color: var(--bronze);
  letter-spacing: 0.14em; text-transform: uppercase;
  margin-bottom: 4px;
}
.claim-meta .v {
  font-family: var(--mono); font-size: 28px; color: var(--signal);
  font-weight: 500;
  line-height: 1;
}
.claim-meta .bar { margin-top: 8px; }
.claim-body {
  font-family: var(--serif); font-size: 16px;
  color: var(--paper-2); line-height: 1.5;
  font-style: italic;
}
.claim-body strong { color: var(--paper); font-weight: 500; font-style: normal; }

.footnote-box {
  margin: 48px 0 32px;
  padding: 20px 24px;
  background: var(--ink-2);
  border: 1px solid var(--rule);
  font-family: var(--mono); font-size: 12px;
  color: var(--fog-3); line-height: 1.6;
}
.footnote-box h6 {
  font-family: var(--mono); font-size: 10px; color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 12px;
}

/* sidebar on post */
.post-aside {
  position: sticky; top: 80px;
  align-self: start;
  display: flex; flex-direction: column; gap: 24px;
}
.aside-card {
  border: 1px solid var(--rule-2);
  padding: 20px;
  background: var(--ink-2);
}
.aside-card h5 {
  font-family: var(--mono); font-size: 10px; color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 12px;
}
.aside-card p {
  font-family: var(--serif); font-size: 14px; line-height: 1.45;
  color: var(--paper-2);
}

/* opposing view pinboard */
.pinboard {
  margin: 80px 0 0;
  padding: 40px 32px;
  background: var(--ink-2);
  border-top: 2px solid var(--contrary);
}
.pinboard h3 {
  font-family: var(--mono); font-size: 11px; color: var(--contrary);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 24px;
}
.pinboard .pin-row {
  display: grid; grid-template-columns: 140px 1fr 1fr; gap: 24px;
  padding: 20px 0; border-top: 1px solid var(--rule);
  align-items: baseline;
}
.pinboard .src {
  font-family: var(--mono); font-size: 11px; color: var(--fog-3);
  letter-spacing: 0.1em;
}
.pinboard .quote {
  font-family: var(--serif); font-style: italic;
  font-size: 15px; color: var(--paper-2); line-height: 1.45;
}
.pinboard .rebut {
  font-family: var(--serif); font-size: 15px; color: var(--paper);
  line-height: 1.45;
  border-left: 2px solid var(--signal);
  padding-left: 16px;
}

/* ============================= ACDP page specific ============================= */

.acdp-hero { padding: 56px 0 40px; }
.acdp-hero .model-id {
  font-family: var(--mono); font-size: 11px; color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 16px;
}
.acdp-hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(54px, 6.5vw, 96px);
  line-height: 0.96; letter-spacing: 0;
  margin-bottom: 20px;
}
.acdp-hero .tagline {
  font-family: var(--serif); font-style: italic;
  font-size: 22px; color: var(--fog-3); max-width: 720px;
}
.acdp-meta-strip {
  display: grid; grid-template-columns: repeat(6, 1fr);
  border: 1px solid var(--rule-2);
  margin-top: 48px;
}
.acdp-meta-strip .cell {
  padding: 20px 24px;
  border-right: 1px solid var(--rule);
  display: flex; flex-direction: column; gap: 4px;
}
.acdp-meta-strip .cell:last-child { border-right: none; }
.acdp-meta-strip .k {
  font-family: var(--mono); font-size: 9px; color: var(--fog);
  letter-spacing: 0.16em; text-transform: uppercase;
}
.acdp-meta-strip .v {
  font-family: var(--serif); font-size: 24px; font-weight: 500;
  letter-spacing: 0;
}
.acdp-meta-strip .v.mono {
  font-family: var(--mono); font-size: 18px; font-weight: 400;
}

.full-model {
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px;
  padding-top: 32px;
}
.fm-col {
  border: 1px solid var(--rule-2);
  padding: 28px;
  background: var(--ink-2);
}
.fm-col h3 {
  font-family: var(--mono); font-size: 11px; color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
  margin-bottom: 20px;
}

.methodology-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.var-card {
  padding: 20px;
  background: var(--ink-3);
  border-left: 2px solid var(--bronze);
}
.var-card .vk {
  font-family: var(--mono); font-size: 11px; color: var(--fog-3);
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.var-card .vv {
  font-family: var(--serif); font-size: 22px; font-weight: 500;
  letter-spacing: 0;
  margin-bottom: 4px;
}
.var-card .weight {
  font-family: var(--mono); font-size: 11px; color: var(--bronze);
}
.var-card .bar { margin-top: 10px; }

/* ============================= Misc ============================= */

.divider-dot {
  text-align: center; padding: 48px 0;
  font-family: var(--mono); color: var(--fog); letter-spacing: 0.4em;
}

/* the prototype index itself */
.proto-index { padding: 64px 0; }
.proto-index h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: 64px; letter-spacing: 0;
  margin-bottom: 16px;
}
.proto-index .sub {
  font-family: var(--serif); font-style: italic;
  font-size: 20px; color: var(--fog-3);
  margin-bottom: 56px; max-width: 640px;
}
.proto-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.proto-card {
  display: flex; flex-direction: column; gap: 12px;
  padding: 32px;
  border: 1px solid var(--rule-2);
  background: var(--ink-2);
  transition: background .15s var(--ease), border-color .15s var(--ease);
}
.proto-card:hover { border-color: var(--signal); background: var(--ink-3); }
.proto-card .num {
  font-family: var(--mono); font-size: 10px; color: var(--bronze);
  letter-spacing: 0.18em; text-transform: uppercase;
}
.proto-card h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: 28px; letter-spacing: 0; line-height: 1.15;
}
.proto-card p {
  font-family: var(--serif); font-size: 14px; color: var(--fog-3);
  line-height: 1.5;
}
.proto-card .path {
  font-family: var(--mono); font-size: 11px;
  color: var(--signal);
  letter-spacing: 0.06em;
  margin-top: 8px;
}

/* floating "prototype" tag */
.proto-tag {
  position: fixed; bottom: 20px; right: 20px;
  font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 8px 12px;
  background: var(--ink-2); border: 1px solid var(--signal);
  color: var(--signal);
  z-index: 100;
}
.proto-tag a { margin-left: 12px; color: var(--fog-3); }
.proto-tag a:hover { color: var(--paper); }

/* ============================= Responsive ============================= */

@media (max-width: 1160px) {
  .topbar-row { gap: 16px; }
  .nav-primary { gap: 18px; }
  .topbar-home .utility-row .cmdk { display: none; }
}

@media (max-width: 980px) {
  .topbar-row {
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
    flex-wrap: wrap;
  }
  .logo { flex: 1 1 auto; }
  .nav-primary {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-top: 10px;
  }
  .nav-end {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 8px;
  }
  .topbar-home .nav-end {
    align-items: center;
  }
  .topbar-home .utility-row {
    justify-content: flex-end;
  }
  .hero-meta {
    flex-wrap: wrap;
    gap: 24px;
  }
  .thesis {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .thesis-arrow { padding-top: 0; }
  .acdp-wrap { grid-template-columns: 1fr; }
  .acdp-lede {
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }
  .acdp-panel { grid-template-columns: 1fr; }
  .ledger-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
  }
  .ledger-filters { flex-wrap: wrap; }
  .ledger { overflow-x: auto; }
  .ledger-row { min-width: 880px; }
  .featured-grid,
  .sub-wrap,
  .footer-grid,
  .card-grid,
  .detail-grid { grid-template-columns: 1fr; }
  .signals-grid,
  .method-strip { grid-template-columns: repeat(2, 1fr); }
  .list-row { grid-template-columns: 1fr; }
  .waitlist-form {
    grid-template-columns: 1fr;
  }
  .method-cell,
  .sub-tier {
    border-right: none;
    border-bottom: 1px solid var(--rule);
  }
  .method-cell:last-child,
  .sub-tier:last-child { border-bottom: none; }
}

@media (max-width: 640px) {
  :root { --gutter: 20px; }
  .topbar-home .topbar-row {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
  }
  .logo {
    flex: 1 0 auto;
    font-size: 22px;
  }
  .nav-primary {
    flex: 1 0 100%;
    justify-content: flex-start;
    gap: 22px;
    padding-top: 0;
    padding-bottom: 4px;
  }
  .nav-primary a,
  .nav-staged-item {
    white-space: nowrap;
  }
  .nav-item-stack {
    align-items: flex-start;
    min-width: max-content;
  }
  .nav-end {
    width: 100%;
    justify-content: space-between;
  }
  .topbar-home .nav-end {
    width: 100%;
    align-items: center;
  }
  .topbar-home .utility-row {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .control-cluster {
    width: 100%;
    justify-content: space-between;
  }
  .language-bar-row {
    justify-content: flex-start;
  }
  .segmented-control { flex: 1; }
  .segmented-btn { flex: 1; }
  .theme-toggle {
    min-width: 92px;
    justify-content: center;
  }
  .waitlist-panel {
    padding: 34px 22px;
  }
  .waitlist-watermark {
    left: -34px;
    top: 34%;
  }
  .waitlist-kicker-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 38px;
    font-size: 11px;
  }
  .waitlist-badge {
    min-height: 44px;
    padding: 0 18px;
    border: 1px solid rgba(184, 150, 74, 0.24);
    background: rgba(184, 150, 74, 0.08);
    color: var(--paper-3);
  }
  .waitlist-title {
    font-size: clamp(40px, 13vw, 58px);
  }
  .waitlist-copy {
    margin-bottom: 34px;
    font-size: 18px;
    line-height: 1.55;
  }
  .waitlist-input,
  .waitlist-submit {
    min-height: 62px;
    font-size: 12px;
  }
  .waitlist-note {
    font-size: 10px;
    line-height: 1.7;
  }
  .nav-primary {
    gap: 18px;
    font-size: 10px;
  }
  .btn {
    padding: 7px 10px;
    font-size: 10px;
  }
  .status-strip {
    gap: 12px;
    font-size: 10px;
    padding-bottom: 28px;
  }
  .status-strip span:last-child { margin-left: 0 !important; }
  .hero-h1 {
    font-size: clamp(42px, 14vw, 56px);
    margin: 40px 0 24px;
  }
  .hero-sub {
    font-size: 18px;
    line-height: 1.68;
  }
  html[data-language="zh-Hant"] .hero-h1 {
    font-size: clamp(40px, 11vw, 44px);
  }
  .hero-meta {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .section { padding: 64px 0; }
  .section-title {
    line-height: 1.14;
  }
  .section-kicker,
  .pillar-card p,
  .signal-card .meta,
  .method-cell p {
    font-size: 16px;
    line-height: 1.72;
  }
  .acdp-lede,
  .acdp-panel { padding: 28px 20px; }
  .acdp-actions { flex-direction: column; }
  .topic-wrap {
    overflow-x: auto;
    padding: 24px 0;
  }
  .topic-svg { min-width: 760px; }
  .pillar-card { padding: 24px 20px; }
  .pillar-card h2 { font-size: 32px; }
  .overlay-panel {
    width: min(100%, calc(100vw - 28px));
    padding: 22px 18px;
  }
  .overlay-head h3 {
    font-size: 28px;
    line-height: 1.12;
  }
  .overlay-result-title {
    font-size: 19px;
  }
  .overlay-result-meta,
  .overlay-note,
  .overlay-empty {
    line-height: 1.65;
  }
  .pillar-card .meta,
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
  }
  .signals-grid,
  .method-strip { grid-template-columns: 1fr; }
  .member-account-grid { grid-template-columns: 1fr; }
  .member-activity-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
  .member-activity-row strong { text-align: left; }
  .sub-tier { padding: 32px 22px; }
  .proto-tag { display: none; }
}