/* ============================================================
   Hosein Kangavar Nazari — multi-page researcher site
   Aesthetic: minimalist · geometric · algebra-inspired (form, not notation)
   One curve, three colors, pure typography
   ============================================================ */

:root {
  --paper:        #f3efe6;
  --paper-soft:   #ede8dc;
  --paper-deep:   #e6e0d2;
  --ink:          #14110d;
  --ink-dim:      #5a564d;
  --ink-mute:     #8b8678;
  --rule:         rgba(20, 17, 13, 0.14);
  --rule-soft:    rgba(20, 17, 13, 0.07);
  --accent:       #b9421b;
  --accent-soft:  rgba(185, 66, 27, 0.12);

  --font-display: "Instrument Serif", "Iowan Old Style", "Hoefler Text", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, monospace;

  --ease:         cubic-bezier(0.65, 0, 0.35, 1);
  --dur:          0.9s;
  --dur-fast:     0.4s;

  --maxw:         1180px;
  --maxw-text:    760px;
  --gutter:       40px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv11", "kern";
  overflow-x: hidden;
}

::selection {
  background: var(--ink);
  color: var(--paper);
}

a {
  color: inherit;
  text-decoration: none;
}

em {
  font-style: italic;
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.005em;
}

img, svg { max-width: 100%; }

/* paper grain */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.45;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.08  0 0 0 0 0.07  0 0 0 0 0.05  0 0 0 0.05 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* scroll progress thread */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--accent);
  z-index: 100;
  transition: width 0.05s linear;
}

main { position: relative; z-index: 2; }

/* page-load fade */
body {
  animation: pageIn 0.7s var(--ease) both;
}
@keyframes pageIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============= utilities ============= */
.mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  font-weight: 400;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--accent);
  text-transform: lowercase;
  letter-spacing: 0.02em;
}

.eyebrow .dash {
  display: inline-block;
  width: 28px;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  animation: drawIn 1s var(--ease) 0.2s both;
}

@keyframes drawIn {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* ============= NAV ============= */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px var(--gutter);
  background: rgba(243, 239, 230, 0);
  transition:
    background var(--dur-fast) var(--ease),
    backdrop-filter var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    padding var(--dur-fast) var(--ease);
  border-bottom: 1px solid transparent;
}

.site-nav.scrolled {
  background: rgba(243, 239, 230, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom-color: var(--rule-soft);
  padding: 14px var(--gutter);
}

.brand-glyph {
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  color: var(--ink);
  display: inline-block;
  padding: 2px 0;
  position: relative;
}

.brand-glyph sup {
  font-size: 0.55em;
  color: var(--accent);
  vertical-align: 0.35em;
  margin: 0 -1px;
}

.site-nav nav { display: flex; gap: 26px; }

.site-nav nav a {
  font-size: 0.86rem;
  color: var(--ink-dim);
  position: relative;
  padding: 4px 0;
  transition: color var(--dur-fast) var(--ease);
}

.site-nav nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur-fast) var(--ease);
}

.site-nav nav a:hover,
.site-nav nav a.is-current {
  color: var(--ink);
}

.site-nav nav a:hover::after,
.site-nav nav a.is-current::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav nav a.is-current {
  color: var(--accent);
}

@media (max-width: 760px) {
  .site-nav { padding: 16px 22px; }
  .site-nav nav { gap: 14px; }
  .site-nav nav a { font-size: 0.78rem; }
  .site-nav nav a:nth-child(n+5) { display: none; }
}

/* ============= HOME — HERO + ALGEBRA FIGURE ============= */
.home {
  min-height: 100vh;
}

.home-hero {
  max-width: 1280px;
  margin: 0 auto;
  padding: 140px var(--gutter) 80px;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 64px;
  align-items: center;
  min-height: calc(100vh - 80px);
}

.home-hero-text { max-width: 540px; }

.home-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: -0.02em;
  margin: 32px 0 32px;
}

.home-title em {
  color: var(--accent);
  font-style: italic;
}

.home-lede {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--ink-dim);
  margin: 0 0 40px;
  max-width: 480px;
}

.home-meta {
  list-style: none;
  margin: 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 520px;
}

.home-meta li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  font-size: 0.86rem;
}

.home-meta .lbl {
  color: var(--ink-mute);
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  padding-top: 2px;
}

.home-meta li > span:not(.lbl) {
  color: var(--ink);
}

@media (max-width: 880px) {
  .home-hero {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 120px;
  }
  .home-meta li { grid-template-columns: 1fr; gap: 4px; }
}

/* ===== algebra figure ===== */
.algebra {
  margin: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.algebra svg {
  width: 100%;
  max-width: 560px;
  aspect-ratio: 1;
  display: block;
  /* gentle entrance */
  animation: figureIn 1.4s var(--ease) 0.3s both;
}

@keyframes figureIn {
  from { opacity: 0; transform: scale(0.96); }
  to   { opacity: 1; transform: scale(1); }
}

/* slow rotation of the central group */
.poly-group {
  transform-origin: 0 0;
  animation: spinSlow 90s linear infinite;
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* counter-rotating outer ticks */
.tick-ring {
  transform-origin: 0 0;
  animation: spinRev 140s linear infinite;
}

@keyframes spinRev {
  from { transform: rotate(0deg); }
  to   { transform: rotate(-360deg); }
}

/* breathing inner orbit */
.orbit-inner {
  transform-origin: 0 0;
  animation: breathe 8s var(--ease) infinite alternate;
}

@keyframes breathe {
  from { transform: scale(0.96); opacity: 0.5; }
  to   { transform: scale(1.04); opacity: 1; }
}

/* edge draw-in (controlled in JS via stroke-dashoffset) */
.poly-edges line,
.poly-shadow polygon,
.poly-star polyline,
.poly-basis line {
  animation: dashIn 1.6s var(--ease) both;
}

@keyframes dashIn {
  from { stroke-dashoffset: var(--len, 800); }
  to   { stroke-dashoffset: 0; }
}

/* vertex dots pop in */
.poly-verts circle {
  transform-origin: var(--cx, 0) var(--cy, 0);
  animation: vertPop 0.5s var(--ease) both;
}
@keyframes vertPop {
  from { transform: scale(0); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

.algebra-cap {
  display: flex;
  justify-content: space-between;
  width: 100%;
  max-width: 560px;
  margin-top: 16px;
  font-size: 0.72rem;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

@media (max-width: 880px) {
  .algebra svg { max-width: 440px; }
}

/* ============= HOME — DIRECTORY ============= */
.directory {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px var(--gutter) 120px;
}

.directory-head {
  margin-bottom: 48px;
}

.dir-eyebrow {
  margin-bottom: 18px;
}

.directory-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.015em;
  margin: 0;
  line-height: 1.05;
}

.directory-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule);
}

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

.directory-list a {
  display: grid;
  grid-template-columns: 80px 1fr 2fr 50px;
  gap: 24px;
  align-items: baseline;
  padding: 28px 0;
  position: relative;
  transition: padding-left var(--dur-fast) var(--ease);
}

.directory-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--accent);
  transition: width var(--dur-fast) var(--ease);
}

.directory-list a:hover {
  padding-left: 18px;
}

.directory-list a:hover::before {
  width: 3px;
}

.d-num {
  color: var(--ink-mute);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
}

.d-title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 1.95rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--ink);
}

.d-desc {
  color: var(--ink-dim);
  font-size: 0.96rem;
  line-height: 1.5;
}

.d-arrow {
  font-family: var(--font-display);
  color: var(--ink-mute);
  font-size: 1.5rem;
  text-align: right;
  transition: transform var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.directory-list a:hover .d-arrow {
  color: var(--accent);
  transform: translateX(8px);
}

@media (max-width: 760px) {
  .directory-list a {
    grid-template-columns: 50px 1fr 30px;
    gap: 16px;
    padding: 22px 0;
  }
  .d-desc { display: none; }
}

/* ============= CONTENT-PAGE LAYOUT ============= */
.page {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 140px var(--gutter) 80px;
  position: relative;
}

/* keep all main content above the corner art */
.page > *:not(.page-corner-art) {
  position: relative;
  z-index: 1;
}

/* ============= PAGE CORNER ART (one per chapter, page-specific) ============= */
.page-corner-art {
  position: absolute;
  top: 90px;
  right: clamp(-80px, -3vw, -40px);
  width: clamp(200px, 32vw, 380px);
  aspect-ratio: 1;
  opacity: 0.13;
  pointer-events: none;
  z-index: 0;
  user-select: none;
}

.page-corner-art svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.page-corner-art .stroke {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-corner-art .accent { stroke: var(--accent); }
.page-corner-art .dot { fill: var(--ink); stroke: none; }
.page-corner-art .dot-accent { fill: var(--accent); stroke: none; }

.page-corner-art .spin {
  transform-origin: 160px 160px;
  animation: spinSlow 100s linear infinite;
}

.page-corner-art .spin-rev {
  transform-origin: 160px 160px;
  animation: spinRev 130s linear infinite;
}

.page-corner-art .breathe {
  transform-origin: 160px 160px;
  animation: cornerBreathe 9s ease-in-out infinite alternate;
}

.page-corner-art .shimmer {
  animation: cornerShimmer 5s ease-in-out infinite;
}

@keyframes cornerBreathe {
  from { transform: scale(0.96); }
  to   { transform: scale(1.05); }
}

@keyframes cornerShimmer {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .page-corner-art .spin,
  .page-corner-art .spin-rev,
  .page-corner-art .breathe,
  .page-corner-art .shimmer {
    animation: none !important;
  }
}

/* ============= CHAPTER-END MARK (small ornament before prev/next) ============= */
.chapter-end {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  margin: 100px 0 8px;
  opacity: 0.7;
}

.chapter-end::before,
.chapter-end::after {
  content: "";
  display: inline-block;
  width: 32px;
  height: 1px;
  background: var(--rule);
}

.chapter-end svg { display: block; }
.chapter-end .dot { fill: var(--ink-mute); }
.chapter-end .dot-accent { fill: var(--accent); }


.page-head {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: baseline;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 64px;
}

.page-num {
  color: var(--accent);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 14px;
}

.page-num .of {
  color: var(--ink-mute);
  font-size: 0.66rem;
}

/* small geometric motif beside chapter number */
.page-motif {
  width: 56px;
  height: 56px;
  margin-top: 8px;
  opacity: 0.85;
}

.page-motif * {
  transform-origin: 28px 28px;
}

.page-motif .stroke {
  stroke: var(--ink);
  fill: none;
  stroke-width: 1;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.page-motif .accent {
  stroke: var(--accent);
}

.page-motif .dot {
  fill: var(--ink);
}

.page-motif .dot-accent {
  fill: var(--accent);
}

.page-motif .spin {
  animation: spinSlow 30s linear infinite;
}
.page-motif .spin-rev {
  animation: spinRev 50s linear infinite;
}
.page-motif .draw {
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  animation: drawSelf 2s var(--ease) 0.3s both;
}

@keyframes drawSelf {
  to { stroke-dashoffset: 0; }
}

.page-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  letter-spacing: -0.02em;
  line-height: 1;
  margin: 0;
}

.page-sub {
  margin-top: 12px;
  color: var(--ink-dim);
  font-size: 1.05rem;
  line-height: 1.5;
  max-width: 580px;
}

@media (max-width: 760px) {
  .page-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .page-num { flex-direction: row; gap: 16px; align-items: center; padding-top: 0; }
  .page-motif { margin-top: 0; }
}

/* ===== prose ===== */
.prose {
  max-width: var(--maxw-text);
}

.prose p,
.prose-large {
  font-size: 1.08rem;
  line-height: 1.75;
  margin: 0 0 26px;
  color: var(--ink);
}

.prose p:last-child { margin-bottom: 0; }

.prose-large {
  font-size: 1.18rem;
  max-width: 640px;
}

.prose em,
.prose-large em {
  color: var(--accent);
}

/* ============= CV (education + experience) ============= */
.cv-section {
  margin-top: 96px;
}

.cv-section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 36px;
}

.cv-section-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem);
  letter-spacing: -0.012em;
  margin: 0;
  line-height: 1;
}

.cv-section-head .rule-line {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.cv-section-head .count {
  font-family: var(--font-mono);
  color: var(--ink-mute);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

/* Education list — compact rows */
.edu-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule);
}

.edu-list li {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  position: relative;
  transition: padding-left var(--dur-fast) var(--ease);
}

.edu-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--accent);
  transition: width var(--dur-fast) var(--ease);
}

.edu-list li:hover {
  padding-left: 14px;
}

.edu-list li:hover::before {
  width: 2px;
}

.edu-list .when {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.edu-list .degree {
  font-family: var(--font-display);
  font-size: clamp(1.18rem, 2vw, 1.4rem);
  letter-spacing: -0.005em;
  line-height: 1.25;
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

.edu-list .place {
  color: var(--ink-dim);
  font-size: 0.93rem;
  display: block;
}

.edu-list .place .country {
  color: var(--ink-mute);
}

/* Experience timeline */
.exp-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule);
}

.exp-list li {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
  position: relative;
  transition: padding-left var(--dur-fast) var(--ease);
}

.exp-list li:hover {
  padding-left: 8px;
}

.exp-list .when {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  padding-top: 6px;
}

.exp-list .role {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.3rem, 2.4vw, 1.6rem);
  letter-spacing: -0.005em;
  line-height: 1.25;
  margin: 0 0 4px;
  color: var(--ink);
}

.exp-list .place {
  color: var(--ink-dim);
  font-size: 0.94rem;
  margin: 0 0 16px;
}

.exp-list .desc {
  color: var(--ink);
  line-height: 1.7;
  font-size: 1rem;
  margin: 0;
  max-width: 660px;
}

.exp-list .desc em { color: var(--accent); }

.exp-list .meta {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
}

.exp-list .meta-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.exp-list .meta-row .lbl {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.66rem;
}

@media (max-width: 720px) {
  .edu-list li,
  .exp-list li {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .exp-list .when { padding-top: 0; }
}

/* ============= RANKED LIST (movies, books) ============= */
.hobby-section {
  margin-bottom: 100px;
}

.hobby-section:last-of-type {
  margin-bottom: 0;
}

.hobby-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 36px;
}

.hobby-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 3.2vw, 2.2rem);
  letter-spacing: -0.012em;
  margin: 0;
  line-height: 1;
}

.hobby-head .rule-line {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.hobby-head .count {
  font-family: var(--font-mono);
  color: var(--ink-mute);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

.hobby-intro {
  max-width: 640px;
  color: var(--ink-dim);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0 0 36px;
}

.hobby-intro em { color: var(--accent); }

.ranked-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule);
}

.ranked-list li {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: padding-left var(--dur-fast) var(--ease);
  position: relative;
}

.ranked-list li:hover {
  padding-left: 12px;
}

.ranked-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--accent);
  transition: width var(--dur-fast) var(--ease);
}

.ranked-list li:hover::before {
  width: 2px;
}

.r-rank {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  padding-top: 4px;
}

.r-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.r-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
  letter-spacing: -0.005em;
  line-height: 1.25;
  margin: 0;
  color: var(--ink);
  display: inline-block;
}

.r-title .year {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
  margin-left: 10px;
  vertical-align: 2px;
}

.r-meta {
  color: var(--ink-dim);
  font-size: 0.92rem;
  margin: 0;
  font-family: var(--font-body);
}

.r-meta .by {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-right: 6px;
}

.r-comment {
  margin-top: 10px;
  padding: 10px 0 0 14px;
  border-left: 2px solid var(--accent-soft);
  color: var(--ink-dim);
  font-family: var(--font-display);
  font-size: 1rem;
  font-style: italic;
  line-height: 1.55;
  max-width: 580px;
}

.r-comment.placeholder {
  border-left-color: var(--rule);
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.r-tag {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-mute);
  white-space: nowrap;
  padding: 3px 9px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  align-self: start;
  margin-top: 4px;
}

.r-tag.movie { color: var(--accent); border-color: var(--accent-soft); }
.r-tag.tv { color: var(--ink); }
.r-tag.book { color: var(--accent); border-color: var(--accent-soft); }

.r-tag.rating {
  color: var(--accent);
  border-color: var(--accent-soft);
  background: var(--paper);
  letter-spacing: 0.06em;
  font-weight: 500;
}

/* Original-title line (foreign films) */
.r-orig {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-style: italic;
  color: var(--ink-mute);
  margin: 0 0 6px;
  letter-spacing: 0.01em;
}

@media (max-width: 600px) {
  .ranked-list li {
    grid-template-columns: 44px 1fr;
    gap: 16px;
  }
  .r-tag {
    grid-column: 2;
    justify-self: start;
  }
}

/* placeholder note bar */
.placeholder-note {
  margin: 0 0 24px;
  padding: 14px 18px;
  border: 1px dashed var(--rule);
  border-radius: 6px;
  background: var(--paper-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.5;
}

.placeholder-note::before {
  content: "✎";
  color: var(--accent);
  font-size: 1rem;
  font-family: var(--font-display);
}

/* ============= INTEREST LIST ============= */
.interest-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule);
}

.interest-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: baseline;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: padding-left var(--dur-fast) var(--ease);
}

.interest-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--accent);
  transition: width var(--dur-fast) var(--ease);
}

.interest-list li:hover {
  padding-left: 16px;
}

.interest-list li:hover::before {
  width: 3px;
}

.interest-list .num {
  color: var(--ink-mute);
}

.interest-list h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1.2;
}

@media (max-width: 600px) {
  .interest-list li { grid-template-columns: 60px 1fr; gap: 16px; padding: 22px 0; }
}

/* ============= IDEAS ============= */
.ideas {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule);
}

.idea {
  padding: 40px 32px 40px 0;
  border-bottom: 1px solid var(--rule);
  position: relative;
  transition: background var(--dur-fast) var(--ease);
}

.idea:nth-child(odd) {
  padding-right: 40px;
  border-right: 1px solid var(--rule);
}

.idea:nth-child(even) {
  padding-left: 40px;
}

.idea:hover {
  background: var(--paper-soft);
}

.idea header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 18px;
}

.idea-num {
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.idea-tag {
  color: var(--ink-mute);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.idea h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.5rem, 2.6vw, 1.95rem);
  line-height: 1.15;
  letter-spacing: -0.012em;
  margin: 0 0 16px;
}

.idea p {
  color: var(--ink-dim);
  font-size: 1.0rem;
  line-height: 1.7;
  margin: 0;
}

.idea p em {
  color: var(--accent);
}

@media (max-width: 760px) {
  .ideas { grid-template-columns: 1fr; }
  .idea, .idea:nth-child(odd), .idea:nth-child(even) {
    padding: 32px 0;
    border-right: none;
  }
}

/* ============= PROJECTS ============= */
.project-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--rule);
}

.project {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 36px 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
  transition: padding-left var(--dur-fast) var(--ease);
}

.project:hover { padding-left: 12px; }

.project-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--ink-mute);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  padding-top: 8px;
}

.project-meta span:first-child {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.project h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  line-height: 1.2;
}

.project p {
  color: var(--ink-dim);
  font-size: 1.02rem;
  line-height: 1.7;
  margin: 0;
  max-width: 640px;
}

@media (max-width: 720px) {
  .project { grid-template-columns: 1fr; gap: 12px; }
}

/* ===== richer project details ===== */
.project-extras {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--rule);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.project-row {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 16px;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
}

.project-row .lbl {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.66rem;
}

.project-row .val {
  color: var(--ink-dim);
}

.stack-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.stack-chip {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-size: 0.72rem;
  color: var(--ink-dim);
  background: var(--paper);
  transition: all var(--dur-fast) var(--ease);
}

.stack-chip:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.related-pubs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.related-pubs li {
  font-size: 0.84rem;
  font-family: var(--font-body);
  color: var(--ink-dim);
  line-height: 1.45;
  padding-left: 14px;
  position: relative;
}

.related-pubs li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 0.9rem;
}

.related-pubs a {
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.related-pubs a:hover {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
}

.status-pill .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: tick 2.4s steps(1) infinite;
}

@media (max-width: 600px) {
  .project-row { grid-template-columns: 1fr; gap: 4px; }
}

/* ============= RESEARCH MAP (small intro figure) ============= */
.research-intro {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 64px;
  align-items: center;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 80px;
}

.research-intro .prose-large em { color: var(--accent); }

.research-map {
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  max-width: 280px;
}

.research-map .mnode {
  fill: var(--ink);
  transition: fill var(--dur-fast) var(--ease);
}

.research-map .mnode-accent { fill: var(--accent); }

.research-map .medge {
  stroke: rgba(20,17,13,0.18);
  stroke-width: 0.8;
  fill: none;
}

.research-map .mlabel {
  font-family: var(--font-mono);
  font-size: 7px;
  fill: var(--ink-dim);
  text-anchor: middle;
}

.research-map .mlabel.accent { fill: var(--accent); }

.research-map .mring {
  fill: none;
  stroke: rgba(185,66,27,0.25);
  stroke-width: 0.6;
  stroke-dasharray: 2 4;
  transform-origin: 100px 100px;
  animation: spinSlow 60s linear infinite;
}

@media (max-width: 760px) {
  .research-intro {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .research-map { max-width: 200px; margin: 0 auto; }
}

/* ============= DEMOS ============= */
.demos-section {
  margin-top: 100px;
}

.demos-head {
  margin-bottom: 32px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.demos-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 3.6vw, 2.4rem);
  letter-spacing: -0.012em;
  margin: 0;
}

.demos-head .sub {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  max-width: 360px;
  line-height: 1.55;
}

.demos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.demo {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--rule);
  border-radius: 6px;
  background: var(--paper);
  overflow: hidden;
  transition: border-color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}

.demo:hover {
  border-color: var(--ink-mute);
  transform: translateY(-2px);
}

.demo-thumb {
  aspect-ratio: 16 / 9;
  background: var(--paper-soft);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--rule);
}

.demo-thumb svg {
  width: 100%;
  height: 100%;
  display: block;
}

.demo-thumb-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(20,17,13,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20,17,13,0.06) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: 0.7;
}

.demo-status {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  z-index: 2;
}

.demo-status.live { color: var(--accent); }
.demo-status.live .dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--accent);
  border-radius: 50%;
  animation: tick 2.4s steps(1) infinite;
}

.demo-status.draft { color: var(--ink-mute); }
.demo-status.draft .dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--ink-mute);
  border-radius: 50%;
}

.demo-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.demo-tags {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-mute);
}

.demo-tags .tag-accent { color: var(--accent); }

.demo h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.35rem;
  letter-spacing: -0.005em;
  line-height: 1.2;
  margin: 0;
}

.demo p {
  color: var(--ink-dim);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.demo-foot {
  margin-top: auto;
  padding-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-mute);
}

.demo-foot .read {
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.demo:hover .demo-foot .read {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

@media (max-width: 760px) {
  .demos-grid { grid-template-columns: 1fr; }
}

/* demo placeholder svg art */
.demo-art {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.demo-art svg { max-width: 70%; max-height: 70%; }

.demo-art .stroke {
  stroke: var(--ink);
  stroke-width: 1.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.demo-art .accent {
  stroke: var(--accent);
}

.demo-art .dot { fill: var(--ink); }
.demo-art .dot-accent { fill: var(--accent); }

.demo-art .swing { transform-origin: 50% 0%; animation: swing 3s var(--ease) infinite alternate; }
@keyframes swing {
  from { transform: rotate(-22deg); }
  to   { transform: rotate(22deg); }
}

.demo-art .ripple { transform-origin: 50% 50%; animation: ripple 3s var(--ease) infinite; opacity: 0; }
.demo-art .ripple.r2 { animation-delay: 1s; }
.demo-art .ripple.r3 { animation-delay: 2s; }
@keyframes ripple {
  0%   { transform: scale(0.4); opacity: 0; }
  20%  { opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

.demo-art .pulse-line {
  stroke-dasharray: 6 6;
  animation: marchx 2s linear infinite;
}
@keyframes marchx { to { stroke-dashoffset: -24; } }

/* ============= HOME — ATLAS (replaces chapter list) ============= */
.atlas-section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 80px var(--gutter) 0;
}

.atlas-head {
  margin-bottom: 32px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.atlas-head .label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.atlas-head .label .dash {
  display: inline-block;
  width: 28px;
  height: 1px;
  background: currentColor;
}

.atlas-head .all {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
}

.atlas {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(200px, 1fr);
  gap: 14px;
}

.atlas-item {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 28px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  transition: border-color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              background var(--dur-fast) var(--ease);
  min-height: 220px;
  isolation: isolate;
}

.atlas-item:hover {
  border-color: var(--ink);
  transform: translateY(-3px);
  background: var(--paper-soft);
}

.atlas-shape {
  position: absolute;
  inset: 0;
  opacity: 0.18;
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--dur-fast) var(--ease), transform 1.2s var(--ease);
}

.atlas-item:hover .atlas-shape {
  opacity: 0.32;
  transform: scale(1.04);
}

.atlas-shape svg {
  width: 100%;
  height: 100%;
  display: block;
}

.atlas-shape .stroke {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.atlas-shape .accent { stroke: var(--accent); }
.atlas-shape .dot { fill: var(--ink); stroke: none; }
.atlas-shape .dot-accent { fill: var(--accent); stroke: none; }

.atlas-shape .spin {
  transform-origin: 160px 160px;
  animation: spinSlow 100s linear infinite;
}
.atlas-shape .spin-rev {
  transform-origin: 160px 160px;
  animation: spinRev 130s linear infinite;
}
.atlas-shape .breathe {
  transform-origin: 160px 160px;
  animation: cornerBreathe 9s ease-in-out infinite alternate;
}
.atlas-shape .shimmer { animation: cornerShimmer 5s ease-in-out infinite; }

.atlas-info {
  position: relative;
  z-index: 1;
}

.atlas-num {
  display: block;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.atlas-info h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.4vw, 1.85rem);
  letter-spacing: -0.012em;
  line-height: 1.15;
  margin: 0;
  color: var(--ink);
}

.atlas-info h3 em { color: var(--accent); }

.atlas-arrow {
  position: absolute;
  top: 28px;
  right: 28px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--ink-mute);
  z-index: 1;
  transition: color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}

.atlas-item:hover .atlas-arrow {
  color: var(--accent);
  transform: translateX(8px) translateY(-4px);
}

/* Bento layout */
.atlas-research { grid-column: 1 / 5; grid-row: 1 / 3; min-height: 360px; }
.atlas-about { grid-column: 5 / 7; grid-row: 1 / 2; }
.atlas-ideas { grid-column: 5 / 7; grid-row: 2 / 3; }
.atlas-publications { grid-column: 1 / 3; grid-row: 3 / 4; }
.atlas-teaching { grid-column: 3 / 7; grid-row: 3 / 4; }
.atlas-hobbies { grid-column: 1 / 4; grid-row: 4 / 5; }
.atlas-contact { grid-column: 4 / 7; grid-row: 4 / 5; }

/* Bigger headline for the featured tile */
.atlas-research .atlas-info h3 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  max-width: 460px;
}

.atlas-research .atlas-shape { opacity: 0.22; }
.atlas-research:hover .atlas-shape { opacity: 0.4; }

/* Responsive */
@media (max-width: 1000px) {
  .atlas {
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: minmax(180px, auto);
  }
  .atlas-research { grid-column: 1 / 5; grid-row: auto; min-height: 280px; }
  .atlas-about { grid-column: 1 / 3; grid-row: auto; }
  .atlas-ideas { grid-column: 3 / 5; grid-row: auto; }
  .atlas-publications { grid-column: 1 / 3; grid-row: auto; }
  .atlas-teaching { grid-column: 3 / 5; grid-row: auto; }
  .atlas-hobbies { grid-column: 1 / 3; grid-row: auto; }
  .atlas-contact { grid-column: 3 / 5; grid-row: auto; }
}

@media (max-width: 600px) {
  .atlas { grid-template-columns: 1fr; }
  .atlas-research,
  .atlas-about,
  .atlas-ideas,
  .atlas-publications,
  .atlas-teaching,
  .atlas-hobbies,
  .atlas-contact {
    grid-column: 1 / -1;
    min-height: 180px;
  }
  .atlas-research { min-height: 240px; }
}

/* ============= HOME — DEMOS PREVIEW ============= */
.home-demos {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter) 120px;
}

.home-demos-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.home-demos-head h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.012em;
  margin: 8px 0 0;
}

.home-demos-head .all {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.home-demos-head .all:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.home-demos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

@media (max-width: 900px) {
  .home-demos-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .home-demos-grid { grid-template-columns: 1fr; }
}

/* ============= PUBLICATIONS ============= */
.pub-year {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 40px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
  align-items: start;
}

.pub-year:last-of-type {
  border-bottom: 1px solid var(--rule);
}

.pub-year .year {
  color: var(--accent);
  font-size: 1rem;
  letter-spacing: 0.04em;
  padding-top: 6px;
}

.pubs {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.pubs li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 0;
  position: relative;
  transition: padding-left var(--dur-fast) var(--ease);
}

.pubs li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 14px;
  width: 6px;
  height: 1px;
  background: var(--ink-mute);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.pubs li:hover { padding-left: 12px; }
.pubs li:hover::before {
  transform: scaleX(2);
  background: var(--accent);
}

.pubs h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.22rem;
  letter-spacing: -0.005em;
  line-height: 1.3;
  margin: 0 0 6px;
  color: var(--ink);
}

.pubs .authors {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--ink-dim);
  margin: 0 0 6px;
}

.pubs .authors .me {
  color: var(--accent);
  font-weight: 500;
}

.pubs .venue {
  color: var(--ink-mute);
  font-size: 0.78rem;
  font-style: italic;
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  margin: 0;
  display: block;
}

.pubs .ptype {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-mute);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* book chapters section — featured */
.book-feature {
  margin-bottom: 64px;
  padding: 36px;
  border: 1px solid var(--rule);
  border-radius: 4px;
  background: var(--paper-soft);
  position: relative;
}

.book-feature .eyebrow {
  margin-bottom: 18px;
}

.book-feature h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.4rem, 2.6vw, 1.8rem);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--ink);
}

.book-feature h3 em {
  color: var(--accent);
}

.book-feature .editors {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-mute);
  margin: 0 0 24px;
  line-height: 1.5;
}

.book-feature .chapters {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--rule);
}

.book-feature .chapters li {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  align-items: baseline;
  transition: padding-left var(--dur-fast) var(--ease);
}

.book-feature .chapters li:hover {
  padding-left: 8px;
}

.book-feature .chapters li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.book-feature .ch-num {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.book-feature .ch-title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  letter-spacing: -0.005em;
  line-height: 1.3;
  display: block;
  margin-bottom: 4px;
}

.book-feature .ch-authors {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-mute);
  line-height: 1.55;
}

.book-feature .ch-authors .me {
  color: var(--accent);
  font-weight: 500;
}

@media (max-width: 600px) {
  .book-feature { padding: 24px; }
  .book-feature .chapters li { grid-template-columns: 1fr; gap: 4px; }
}

/* in-page section eyebrow (year/category headers) */
.pub-section-head {
  margin: 64px 0 24px;
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.pub-section-head:first-of-type { margin-top: 0; }

.pub-section-head h3 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.4rem;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--ink);
}

.pub-section-head .count {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

.pub-section-head .rule-line {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.pub-foot {
  margin-top: 36px;
  color: var(--ink-mute);
  font-size: 0.82rem;
}

.pub-foot a {
  color: var(--accent);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: border-color var(--dur-fast) var(--ease);
}

.pub-foot a:hover {
  border-bottom-color: var(--accent);
}

@media (max-width: 600px) {
  .pub-year { grid-template-columns: 1fr; gap: 16px; }
}

/* ============= TEACHING ============= */
.teach-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  padding-top: 8px;
}

.teach-col h3 {
  color: var(--accent);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin: 0 0 18px;
  font-weight: 400;
}

.teach-col h3.mt {
  margin-top: 32px;
}

.plain {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.plain li {
  font-family: var(--font-display);
  font-size: 1.18rem;
  line-height: 1.4;
  letter-spacing: -0.005em;
}

.plain.subtle li {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-dim);
}

.theses {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
}

.theses li {
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: padding-left var(--dur-fast) var(--ease);
}

.theses li:hover { padding-left: 10px; }

.t-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.3;
  letter-spacing: -0.005em;
}

.t-meta {
  color: var(--ink-mute);
  font-size: 0.76rem;
}

/* supervision-type group header */
.sup-group {
  margin-bottom: 40px;
}

.sup-group:last-child {
  margin-bottom: 0;
}

.sup-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}

.sup-head h4 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.15rem;
  letter-spacing: -0.005em;
  margin: 0;
  color: var(--ink);
}

.sup-head .count {
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
}

.service {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  color: var(--ink-mute);
  font-size: 0.82rem;
}

@media (max-width: 760px) {
  .teach-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* ============= CONTACT ============= */
.contact-list {
  list-style: none;
  padding: 32px 0 0;
  margin: 40px 0 0;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px 40px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-list .lbl {
  color: var(--ink-mute);
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}

.contact-list a,
.contact-list span:not(.lbl) {
  color: var(--ink);
  font-size: 0.95rem;
  position: relative;
  width: fit-content;
}

.contact-list a {
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.contact-list a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

@media (max-width: 600px) {
  .contact-list { grid-template-columns: 1fr; }
}

/* ============= PAGE NAV (prev / next) ============= */
.page-nav {
  margin-top: 100px;
  padding-top: 32px;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.page-nav a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 0;
  position: relative;
  transition: transform var(--dur-fast) var(--ease);
}

.page-nav .next {
  text-align: right;
  align-items: flex-end;
}

.page-nav .lbl {
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.page-nav .name {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  letter-spacing: -0.012em;
  line-height: 1.1;
  color: var(--ink);
}

.page-nav .arr {
  color: var(--accent);
  display: inline-block;
  transition: transform var(--dur-fast) var(--ease);
}

.page-nav a:hover .arr { transform: translateX(6px); }
.page-nav .prev:hover .arr { transform: translateX(-6px); }

@media (max-width: 600px) {
  .page-nav { grid-template-columns: 1fr; }
  .page-nav .next { text-align: left; align-items: flex-start; }
}

/* ============= FOOTER ============= */
.site-foot {
  padding: 32px var(--gutter);
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--ink-mute);
  position: relative;
  z-index: 2;
  flex-wrap: wrap;
  gap: 12px;
}

.site-foot .small {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tick {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: tick 2.4s steps(1) infinite;
}

@keyframes tick {
  0%, 49%   { opacity: 1; }
  50%, 100% { opacity: 0.2; }
}

/* ============= REVEAL SYSTEM ============= */
.reveal-mask {
  display: block;
  overflow: hidden;
  line-height: inherit;
  padding-bottom: 0.06em;
}

[data-reveal-line] {
  display: block;
  transform: translateY(110%);
  transition: transform var(--dur) var(--ease);
}

.reveal-mask.is-revealed [data-reveal-line] {
  transform: translateY(0);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  [data-reveal-line] { transform: none; }
  .poly-group, .tick-ring, .orbit-inner, .page-motif .spin,
  .page-motif .spin-rev { animation: none !important; }
}