/* NoMind — page styles (tokens in tokens.css) */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--ff-sans);
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background 400ms var(--ease), color 400ms var(--ease);
}

/* Subtle paper grain overlay — whole page */
body::before {
  content: "";
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  background-image:
    radial-gradient(circle at 30% 40%, rgba(0,0,0,0.015) 0, transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(0,0,0,0.015) 0, transparent 60%);
  mix-blend-mode: multiply;
}
[data-theme="dark"] body::before { mix-blend-mode: screen; background-image:
    radial-gradient(circle at 30% 40%, rgba(255,255,255,0.03) 0, transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(255,255,255,0.03) 0, transparent 60%); }

/* Background canvas layer */
.bg-layer { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.bg-canvas { width: 100%; height: 100%; display: block; }

/* Page wrapper */
.nm-page { position: relative; z-index: 2; }
.nm-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ——— NAV ——— */
.nm-nav {
  position: sticky; top: 0; z-index: 10;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: calc(14px * var(--density)) var(--gutter);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: color-mix(in oklch, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--rule-soft);
}
.nm-wordmark { display: inline-flex; gap: 10px; align-items: center; color: var(--ink); }
.nm-logo-img { display: block; height: auto; object-fit: contain; }
.nm-logo-wordmark { width: 150px; max-height: 40px; }
.nm-logo-mark { width: 44px; }
.nm-footer-wordmark { width: 170px; margin-bottom: 8px; }
.nm-word {
  font-family: var(--ff-display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
}
.nm-navlinks {
  display: flex;
  gap: 28px;
  justify-self: center;
  font-size: 13px;
  color: var(--ink-2);
}
.nm-navlinks a {
  color: inherit; text-decoration: none;
  font-family: var(--ff-mono);
  text-transform: lowercase;
  letter-spacing: 0.02em;
  transition: color 200ms var(--ease);
}
.nm-navlinks a:hover { color: var(--accent-ink); }
.nm-navcta {
  justify-self: end;
  display: inline-flex; align-items: center; gap: 10px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 10px 16px;
  border-radius: 999px;
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 260ms var(--ease);
}
.nm-navcta:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.nm-navcta-arrow { display: inline-block; transition: transform 260ms var(--ease); }
.nm-navcta:hover .nm-navcta-arrow { transform: translate(2px, -2px); }

/* ——— Shared bits ——— */
.mono-label {
  font-family: var(--ff-mono);
  font-size: var(--fs-label);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}
.dim { color: var(--ink-3); }
.dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); margin-right: 8px; vertical-align: baseline; animation: pulse 3.2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 0.6; } 50% { opacity: 1; } }

.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.eyebrow-num { font-family: var(--ff-mono); font-size: var(--fs-label); color: var(--ink-3); letter-spacing: 0.14em; }
.eyebrow-line { width: 36px; height: 1px; background: var(--rule); }
.eyebrow-text { font-family: var(--ff-mono); font-size: var(--fs-label); text-transform: uppercase; letter-spacing: 0.16em; color: var(--ink-2); }

/* ——— Buttons ——— */
.btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 16px 24px;
  border-radius: 4px;
  font-family: var(--ff-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 260ms var(--ease);
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent-ink); }
.btn-primary:disabled { opacity: 0.6; cursor: default; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-arrow { transition: transform 280ms var(--ease); }
.btn:hover .btn-arrow { transform: translateX(4px); }

/* ——— HERO ——— */
.nm-hero {
  padding: calc(72px * var(--density)) var(--gutter) calc(64px * var(--density));
  max-width: 1440px;
  margin: 0 auto;
  position: relative;
}
.nm-hero-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: calc(64px * var(--density));
}
.nm-hero-meta .eyebrow { margin-bottom: 0; }
.nm-hero-coord {
  display: inline-flex; gap: 10px;
  font-family: var(--ff-mono); font-size: 11px; color: var(--ink-3);
  letter-spacing: 0.12em;
}

.nm-display {
  font-family: var(--ff-display);
  font-size: var(--fs-display);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin: 0 0 calc(56px * var(--density)) 0;
  max-width: 22ch;
  text-wrap: pretty;
}
.nm-display-line { display: block; }
.nm-display em { font-style: italic; font-weight: 400; }
.nm-display u {
  text-decoration: none;
  font-style: italic;
  position: relative;
}
.nm-display u::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 6%;
  height: 2px; background: var(--accent);
}
.nm-display-kicker {
  color: var(--accent-ink);
  font-style: italic;
  margin-top: 0.1em;
}

.nm-hero-foot {
  display: grid;
  grid-template-columns: 1.2fr auto;
  gap: calc(48px * var(--density));
  align-items: end;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
}
.nm-lead {
  font-size: var(--fs-lead);
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 56ch;
  margin: 24px 0 0 0;
  text-wrap: pretty;
}
.nm-hero-ctas { display: flex; gap: 12px; margin-top: 24px; white-space: nowrap; }

.nm-hero-ledger {
  margin-top: calc(80px * var(--density));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 24px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.nm-hero-ledger > div {
  display: flex; flex-direction: column; gap: 8px;
  font-size: 13px; color: var(--ink-2);
}

/* ——— SECTIONS ——— */
.nm-section {
  padding: calc(120px * var(--density)) var(--gutter) calc(120px * var(--density));
  max-width: 1440px;
  margin: 0 auto;
  position: relative;
}
.nm-section-inset {
  background: var(--paper-tint);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  max-width: none;
  padding-left: 0; padding-right: 0;
}
.nm-section-inset > * {
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.nm-section-inset > .nm-section-head,
.nm-section-inset > .nm-table,
.nm-section-inset > .nm-thesis-grid {
  width: 100%;
  max-width: 1440px;
}
.nm-section-head { margin-bottom: calc(64px * var(--density)); max-width: none; width: 100%; }
.nm-h2 {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: var(--fs-h2);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}
.nm-h2 em { font-style: italic; }

/* Thesis */
.nm-thesis-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(48px * var(--density));
  padding-top: 32px;
  border-top: 1px solid var(--rule);
}
.nm-systems-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}
.nm-systems-grid .nm-thesis-col:last-child {
  grid-column: 1 / -1;
  padding-top: 28px;
}
.nm-thesis-col { position: relative; padding-top: 12px; }
.nm-tc-label { display: flex; gap: 12px; align-items: baseline; margin-bottom: 24px; }
.nm-tc-label > span:last-child {
  font-family: var(--ff-mono);
  font-size: var(--fs-label);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink);
}
.nm-list { list-style: none; padding: 0; margin: 0; }
.nm-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
  font-size: 15px; color: var(--ink);
}
.nm-list li:first-child { border-top: 1px solid var(--rule-soft); }
.nm-list .sep {
  flex: 1; height: 1px; background: var(--rule);
  margin: 0 8px;
}
.nm-list li span:last-child { color: var(--ink-2); font-style: italic; }
.nm-body { font-size: 15px; line-height: 1.62; color: var(--ink-2); margin: 0; }
.nm-body em { color: var(--ink); font-style: italic; }

/* Rendered equations */
.math-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: none;
}
.math-card {
  border-top: 1px solid var(--rule-soft);
  border-bottom: 1px solid var(--rule-soft);
  padding: 16px 0 18px;
  outline: none;
  cursor: crosshair;
}
.math-card:focus-visible { box-shadow: inset 0 0 0 1px var(--accent); }
.math-card-label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 8px;
}
.math-block {
  overflow: hidden;
  color: var(--ink);
  font-size: clamp(9px, 0.78vw, 12px);
  padding-bottom: 2px;
  width: 100%;
}
.math-card-stage {
  position: relative;
  min-height: 128px;
  overflow: hidden;
}
.math-face {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  transition:
    opacity 260ms var(--ease),
    filter 520ms var(--ease),
    transform 520ms var(--ease),
    clip-path 620ms var(--ease);
}
.math-face-formula {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0) scale(1);
  clip-path: inset(0 0 0 0);
}
.math-face-solution {
  opacity: 0;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.55;
  filter: blur(8px);
  transform: translateY(10px) scale(0.985);
  clip-path: inset(12% 0 12% 0);
}
.particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: multiply;
  transition: opacity 160ms var(--ease);
}
.math-card.is-dissolving .math-face-formula {
  opacity: 0;
  filter: blur(0);
  transform: translateY(0) scale(1);
  clip-path: inset(0 0 0 0);
  transition-duration: 80ms;
}
.math-card.is-dissolving .math-face-solution {
  opacity: 1;
  filter: blur(0);
  transform: translateY(0) scale(1);
  clip-path: inset(0 0 0 0);
  transition-delay: 520ms;
}
.math-card.is-dissolving .particle-canvas { opacity: 1; }
.math-block mjx-container[jax="CHTML"][display="true"] {
  margin: 0;
  text-align: left !important;
}
.math-block mjx-container[jax="SVG"][display="true"] {
  margin: 0;
  text-align: left !important;
  max-width: 100%;
  min-width: 0 !important;
  overflow: visible;
}
.math-block mjx-container[jax="SVG"] svg {
  max-width: 100%;
  height: auto;
}
.math-block mjx-container {
  font-size: 92% !important;
  max-width: 100%;
}

/* Transition table */
.nm-table { border-top: 1px solid var(--rule); }
.nm-row {
  display: grid;
  grid-template-columns: 80px 200px 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: background 260ms var(--ease);
}
.nm-row:hover { background: var(--accent-wash); }
.nm-row-num { font-family: var(--ff-mono); font-size: 12px; color: var(--ink-3); letter-spacing: 0.14em; }
.nm-row-k {
  font-family: var(--ff-display);
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.nm-row-v { font-size: 15px; line-height: 1.6; color: var(--ink-2); max-width: 70ch; }

/* Who bands */
.nm-bands {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.nm-band {
  background: var(--bg);
  padding: calc(40px * var(--density));
  display: flex; flex-direction: column; gap: 16px;
  transition: background 300ms var(--ease);
}
.nm-band:hover { background: var(--paper-tint); }
.nm-band-tag .mono-label { color: var(--accent-ink); }
.nm-band-k {
  font-family: var(--ff-display);
  font-weight: 400;
  font-size: 30px;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
}
.nm-band-v { font-size: 15px; line-height: 1.6; color: var(--ink-2); margin: 0; max-width: 52ch; }

/* Manifesto */
.nm-manifesto {
  text-align: left;
  padding-top: calc(140px * var(--density));
  padding-bottom: calc(140px * var(--density));
}
.nm-quote {
  margin: 32px 0 0 0;
  padding: 0;
  max-width: 100%;
}
.nm-quote > p:first-of-type {
  font-family: var(--ff-display);
  font-weight: 400;
  font-style: normal;
  font-size: clamp(44px, 5.4vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  margin: 0 0 48px 0;
  color: var(--ink);
  max-width: 15ch;
}
.nm-quote > p:first-of-type em { color: var(--accent-ink); font-style: italic; }
.nm-quote-body {
  max-width: 52ch;
  font-size: 17px; line-height: 1.6;
  color: var(--ink-2);
  margin: 0 0 32px 0;
}
.nm-quote-body em { color: var(--ink); font-style: italic; }
.nm-quote-foot { border-top: 1px solid var(--rule); padding-top: 16px; max-width: 52ch; }

/* Contact */
.nm-contact-head { margin-bottom: calc(56px * var(--density)); max-width: none; width: 100%; }
.nm-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.field {
  display: flex; flex-direction: column; gap: 10px;
  padding: 28px 32px;
  background: var(--bg);
  border: none;
  margin: 0;
}
.field-full { grid-column: 1 / -1; }
.field legend { padding: 0; }
.field input, .field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid transparent;
  padding: 4px 0;
  font-family: var(--ff-display);
  font-size: 20px;
  color: var(--ink);
  outline: none;
  resize: none;
  transition: border-color 200ms var(--ease);
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-3); font-style: italic; }
.field input:focus, .field textarea:focus { border-bottom-color: var(--accent); }
.option-field {
  gap: 22px;
  padding-top: 30px;
}
.option-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 2px;
}
.option-heading .mono-label {
  color: color-mix(in srgb, var(--ink) 74%, transparent);
  letter-spacing: 0.12em;
}
.option-hint {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  white-space: nowrap;
}
.option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}
.choice {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 52px;
  padding: 14px 16px;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--bg) 92%, var(--paper));
  cursor: pointer;
  transition: border-color 180ms var(--ease), background 180ms var(--ease), transform 180ms var(--ease);
}
.choice:hover { border-color: var(--ink-3); transform: translateY(-1px); }
.choice.selected {
  border-color: var(--ink);
  background: color-mix(in srgb, var(--accent) 14%, var(--bg));
}
.choice input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.choice span {
  font-family: var(--ff-sans);
  font-size: 14px;
  line-height: 1.25;
  color: var(--ink);
}
.nm-form-foot {
  grid-column: 1 / -1;
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px 32px;
  background: var(--bg);
}
.nm-form-note { font-size: 13px; color: var(--ink-2); }

/* Footer */
.nm-footer {
  border-top: 1px solid var(--rule);
  padding: calc(80px * var(--density)) var(--gutter) 32px;
  max-width: 1440px;
  margin: 0 auto;
}
.nm-footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--rule);
}
.nm-footer-mark { display: flex; gap: 14px; align-items: flex-start; }
.nm-footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.nm-footer-cols ul { list-style: none; padding: 0; margin: 12px 0 0 0; font-size: 13px; line-height: 2; color: var(--ink-2); }
.nm-footer-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 20px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  text-transform: uppercase;
}

/* ——— Tweaks panel ——— */
.tw-panel {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 320px;
  max-height: calc(100vh - 40px);
  overflow: auto;
  z-index: 100;
  background: color-mix(in oklch, var(--bg) 92%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--rule);
  border-radius: 8px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.25), 0 2px 6px rgba(0,0,0,0.05);
  color: var(--ink);
  font-family: var(--ff-sans);
}
.tw-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--rule-soft);
}
.tw-title { font-family: var(--ff-display); font-size: 22px; letter-spacing: -0.01em; margin-top: 4px; }
.tw-close {
  background: transparent; border: none; color: var(--ink-2);
  width: 28px; height: 28px; font-size: 22px; cursor: pointer;
  display: grid; place-items: center; border-radius: 4px;
}
.tw-close:hover { background: var(--rule-soft); color: var(--ink); }
.tw-body { padding: 14px 20px; display: flex; flex-direction: column; gap: 16px; }
.tw-row { display: flex; flex-direction: column; gap: 8px; }
.tw-row-label { color: var(--ink-3); }
.tw-seg {
  display: flex; gap: 2px;
  background: var(--rule-soft);
  padding: 2px;
  border-radius: 6px;
  flex-wrap: wrap;
}
.tw-seg-btn {
  flex: 1; min-width: 0;
  border: none;
  background: transparent;
  padding: 7px 10px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  cursor: pointer;
  border-radius: 4px;
  white-space: nowrap;
  transition: all 200ms var(--ease);
}
.tw-seg-btn.is-on { background: var(--bg); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,0.06); }
.tw-seg-btn:hover:not(.is-on) { color: var(--ink); }

.tw-sw { display: flex; gap: 8px; }
.tw-sw-dot {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  padding: 0;
  transition: all 220ms var(--ease);
}
.tw-sw-dot.is-on { border-color: var(--ink); transform: scale(1.08); }

.tw-range { width: 100%; accent-color: var(--accent); }

.tw-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--rule-soft);
}

/* Responsive */
@media (max-width: 960px) {
  .nm-thesis-grid { grid-template-columns: 1fr; }
  .nm-systems-grid { grid-template-columns: 1fr; }
  .nm-systems-grid .nm-thesis-col:last-child { grid-column: auto; }
  .math-stack { grid-template-columns: 1fr; }
  .math-block { font-size: clamp(10px, 3.1vw, 14px); }
  .math-card-stage { min-height: 132px; }
  .nm-bands { grid-template-columns: 1fr; }
  .nm-row { grid-template-columns: 60px 1fr; }
  .nm-row-v { grid-column: 2; }
  .nm-hero-ledger { grid-template-columns: repeat(2, 1fr); }
  .nm-hero-foot { grid-template-columns: 1fr; align-items: start; }
  .nm-footer-top { grid-template-columns: 1fr; }
  .nm-footer-cols { grid-template-columns: repeat(2, 1fr); }
  .nm-form { grid-template-columns: 1fr; }
  .nm-navlinks { display: none; }
  .nm-nav { grid-template-columns: 1fr auto; }
}

/* Mobile hardening */
@media (max-width: 640px) {
  html, body { width: 100%; max-width: 100%; overflow-x: clip; }
  .nm-page { overflow-x: clip; }

  .nm-nav {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px;
    padding: 12px var(--gutter);
  }
  .nm-logo-wordmark { width: min(128px, 42vw); }
  .nm-navcta {
    padding: 9px 12px;
    gap: 7px;
    font-size: 10px;
    letter-spacing: 0.02em;
    white-space: nowrap;
  }

  .nm-hero {
    padding-top: 44px;
  }
  .nm-hero-meta {
    display: grid;
    gap: 14px;
    align-items: start;
    margin-bottom: 44px;
  }
  .nm-hero-coord {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 9px;
    line-height: 1.45;
    max-width: 100%;
    overflow-wrap: anywhere;
  }
  .nm-display {
    max-width: 100%;
    font-size: clamp(42px, 14vw, 64px);
  }
  .nm-hero-ctas {
    flex-wrap: wrap;
    white-space: normal;
  }
  .btn {
    max-width: 100%;
    justify-content: center;
  }

  .nm-section {
    padding-top: 72px;
    padding-bottom: 72px;
  }
  .nm-h2 { font-size: clamp(27px, 9vw, 36px); }
  .nm-row {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .nm-row-v { grid-column: auto; }
  .nm-row-k { font-size: 24px; }

  .math-card-stage { min-height: 156px; }
  .math-block {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .math-block mjx-container[jax="SVG"] svg {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .field { padding: 24px 20px; }
  .option-grid { grid-template-columns: 1fr; }
  .option-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
  .option-hint { white-space: normal; }
  .nm-form-foot {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
    padding: 22px 20px;
  }
  .nm-form-foot .btn { width: 100%; }
  .nm-form-note { min-height: 0; }

  .nm-footer-cols { grid-template-columns: 1fr; }
  .nm-footer-bar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

/* Diagram plates — generated visual concepts, embedded as native transparent assets */
.nm-diagram-plate {
  margin: calc(56px * var(--density)) 0 0;
  padding: 28px 0 8px;
  border-top: 1px solid var(--rule);
}
.nm-section-inset > .nm-diagram-plate {
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
.nm-thesis-col > .nm-diagram-plate {
  margin-top: 20px;
  padding-top: 18px;
}
.nm-diagram-plate figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 10px;
}
.nm-diagram-plate figcaption strong {
  font-family: var(--ff-display);
  font-size: clamp(21px, 2vw, 30px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-align: right;
}
.nm-diagram-plate img {
  display: block;
  width: min(100%, 1120px);
  height: auto;
  margin: 0 auto;
  mix-blend-mode: multiply;
}
[data-theme="dark"] .nm-diagram-plate img {
  mix-blend-mode: normal;
  filter: invert(1) hue-rotate(180deg) saturate(0.85) brightness(1.04);
  opacity: 0.88;
}
.nm-thesis-col > .nm-diagram-plate img {
  width: 100%;
}

@media (max-width: 640px) {
  .nm-diagram-plate {
    margin-top: 36px;
    padding-top: 22px;
  }
  .nm-diagram-plate figcaption {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 8px;
  }
  .nm-diagram-plate figcaption strong { text-align: left; }
  .nm-diagram-plate img,
  .nm-thesis-col > .nm-diagram-plate img {
    width: 100%;
    max-width: 100%;
    margin-left: 0;
  }
}