/* =========================================================
   influx.capital — v3
   - Mint used sparingly (structural/interactive only)
   - Left-rail TOC on desktop
   - Prose is ivory-on-black, no colored accents inside text
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT,WONK@9..144,300..900,0..100,0..1&family=JetBrains+Mono:wght@400;500&family=Inter+Tight:wght@400;500;600&display=swap');

:root {
  --bg:          #1C1C1E;
  --bg-2:        #252527;
  --bg-3:        #2F2F31;
  --ink:         #F5F5F0;
  --ink-soft:    #BFBFB9;
  --ink-muted:   #9A9A9A;
  --ink-dim:     #5E5E5E;
  --rule:        #3A3A3C;
  --mint:        #00E5FF;
  --mint-dim:    #00B8D4;

  --display: 'Fraunces', 'Times New Roman', serif;
  --body:    'Inter Tight', system-ui, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, monospace;

  --w-read:  720px;
  --w-page:  1280px;
  --toc-w:   240px;

  --ease: cubic-bezier(.2,.7,.2,1);
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
html { scroll-behavior: smooth; }
::selection { background: var(--mint); color: var(--bg); }

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

/* ---------- Background dot-grid ---------- */
.dotgrid {
  position: fixed;
  top: 0; left: 0;
  width: 80px;
  height: 100vh;
  pointer-events: none;
  z-index: 1;
  opacity: 0.18;
  background-image: radial-gradient(circle at 1px 1px, var(--ink-muted) 1px, transparent 0);
  background-size: 18px 18px;
  background-position: 30px 120px;
  -webkit-mask-image: linear-gradient(180deg, transparent 0, black 80px, black calc(100% - 120px), transparent 100%);
  mask-image: linear-gradient(180deg, transparent 0, black 80px, black calc(100% - 120px), transparent 100%);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--rule);
}
.site-header .inner {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 32px;
}
.brand {
  font-family: var(--display);
  font-weight: 600;
  font-size: 24px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink);
}
.brand .sub {
  font-family: var(--body);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--ink-muted);
  margin-left: 4px;
}
.brand .rule {
  display: inline-block;
  width: 14px; height: 2px;
  background: var(--mint);
  margin-right: 2px;
  transform: translateY(-5px);
}

nav.primary {
  display: flex;
  gap: 32px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}
nav.primary a {
  color: var(--ink-muted);
  padding: 4px 0;
  position: relative;
  transition: color .2s var(--ease);
  cursor: pointer;
}
nav.primary a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1px;
  background: var(--mint);
  transition: right .25s var(--ease);
}
nav.primary a:hover { color: var(--ink); }
nav.primary a:hover::after,
nav.primary a.active::after { right: 0; }
nav.primary a.active { color: var(--ink); }

/* ---------- Layout ---------- */
main { position: relative; z-index: 2; }

/* ---------- Hero ---------- */
.hero {
  padding: 96px 32px 48px;
  max-width: var(--w-page);
  margin: 0 auto;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 36px;
}
.eyebrow .tick {
  display: inline-block;
  width: 28px; height: 1px;
  background: var(--mint);
}

h1.display {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(48px, 8vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.028em;
  color: var(--ink);
  max-width: 18ch;
}
h1.display em {
  font-style: italic;
  font-variation-settings: "SOFT" 50, "WONK" 1;
  color: var(--ink-soft);
  font-weight: 400;
}

/* manifesto / hero quote (keeps mint for the one structural border) */
.manifesto {
  margin-top: 56px;
  padding: 32px 0 32px 28px;
  border-left: 2px solid var(--mint);
  max-width: 62ch;
  font-family: var(--display);
  font-weight: 350;
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink);
  font-style: italic;
}
.manifesto p + p { margin-top: 16px; }
.manifesto .attribution {
  margin-top: 18px;
  font-family: var(--mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---------- Chat panel ---------- */
.chat-wrap {
  max-width: var(--w-page);
  margin: 72px auto 0;
  padding: 0 32px;
}
.chat {
  background: var(--bg-2);
  border: 1px solid var(--rule);
  overflow: hidden;
  box-shadow:
    0 1px 0 rgba(255,255,255,.04) inset,
    0 40px 80px -30px rgba(0,0,0,.6);
}
.chat-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(180deg, rgba(255,255,255,.02), transparent);
}
.chat-header .title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  gap: 10px;
}
.chat-header .title .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--mint) 20%, transparent),
              0 0 12px color-mix(in oklab, var(--mint) 50%, transparent);
  animation: pulse 2.4s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .45; }
}
.chat-header .kbd {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--ink-dim);
  letter-spacing: .1em;
}

.chat-log {
  padding: 28px 32px;
  min-height: 240px;
  max-height: 520px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
  scroll-behavior: smooth;
}
.chat-log::-webkit-scrollbar { width: 8px; }
.chat-log::-webkit-scrollbar-thumb { background: var(--rule); border-radius: 4px; }

.msg {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 20px;
  animation: fadeIn .4s var(--ease);
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}
.msg .who {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-top: 4px;
}
.msg.user .who { color: var(--mint); }
.msg .body {
  font-family: var(--display);
  font-weight: 350;
  font-size: 18px;
  line-height: 1.5;
  color: var(--ink);
}
.msg.user .body {
  font-style: italic;
  color: var(--ink-soft);
}
.msg .body p + p { margin-top: 10px; }
.msg .body strong { font-weight: 500; color: var(--ink); }
.msg .body em { font-style: italic; color: var(--ink-soft); }

.cursor {
  display: inline-block;
  width: 8px;
  height: 1em;
  background: var(--mint);
  vertical-align: text-bottom;
  margin-left: 2px;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.chat-suggestions {
  padding: 0 32px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  font-family: var(--body);
  font-size: 13px;
  padding: 7px 14px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 0;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all .2s var(--ease);
}
.chip:hover {
  border-color: var(--ink-soft);
  color: var(--ink);
  background: var(--bg-3);
}

.chat-input {
  border-top: 1px solid var(--rule);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-3);
}
.chat-input .prompt-mark {
  font-family: var(--mono);
  color: var(--mint);
  font-size: 14px;
}
.chat-input textarea {
  flex: 1;
  resize: none;
  border: none;
  background: transparent;
  outline: none;
  font-family: var(--body);
  font-size: 16px;
  color: var(--ink);
  line-height: 1.4;
  max-height: 160px;
  padding: 6px 0;
}
.chat-input textarea::placeholder { color: var(--ink-dim); }
.chat-input button {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 9px 18px;
  background: var(--mint);
  color: var(--bg);
  border: none;
  cursor: pointer;
  font-weight: 500;
  transition: background .2s var(--ease), transform .1s var(--ease);
}
.chat-input button:hover:not(:disabled) { background: var(--mint-dim); }
.chat-input button:active:not(:disabled) { transform: translateY(1px); }
.chat-input button:disabled { opacity: .35; cursor: not-allowed; }

/* ---------- Thesis reader (TOC + body) ---------- */
.reader {
  max-width: var(--w-page);
  margin: 0 auto;
  padding: 96px 32px 120px;
  display: grid;
  grid-template-columns: var(--toc-w) minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

/* TOC */
.toc {
  position: sticky;
  top: 88px;
  align-self: start;
  padding-top: 4px;
}
.toc .label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}
.toc ol {
  list-style: none;
  counter-reset: toc;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.toc li {
  counter-increment: toc;
}
.toc a {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 8px 0;
  font-family: var(--body);
  font-size: 14px;
  line-height: 1.35;
  color: var(--ink-muted);
  transition: color .2s var(--ease);
  position: relative;
}
.toc a::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-dim);
  padding-top: 1px;
  letter-spacing: .08em;
  transition: color .2s var(--ease);
}
.toc a:hover { color: var(--ink); }
.toc a:hover::before { color: var(--ink-soft); }
.toc a.active { color: var(--ink); }
.toc a.active::before { color: var(--mint); }
.toc a.active::after {
  content: '';
  position: absolute;
  left: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 2px;
  height: 16px;
  background: var(--mint);
}

/* Thesis body */
.thesis-body {
  max-width: var(--w-read);
  font-family: var(--display);
  font-weight: 350;
  min-width: 0;
}
.thesis-body h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 36px;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-top: 72px;
  margin-bottom: 20px;
  color: var(--ink);
  scroll-margin-top: 88px;
}
.thesis-body section:first-child h2 { margin-top: 0; }
.thesis-body h2 .num {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--ink-muted);
  display: block;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.thesis-body p {
  font-size: 19px;
  line-height: 1.62;
  margin-bottom: 20px;
  color: var(--ink-soft);
}
.thesis-body p.first::first-letter {
  font-family: var(--display);
  font-weight: 500;
  font-size: 4.2em;
  line-height: 0.88;
  float: left;
  padding: 6px 12px 0 0;
  color: var(--ink);
}
.thesis-body strong { color: var(--ink); font-weight: 500; }
.thesis-body em { color: var(--ink); font-style: italic; }
.thesis-body .rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 64px auto;
  width: 80px;
}

/* Figures — Level 2b minimal frame, side caption */
figure.fig-minimal {
  margin: 40px 0;
  font-family: var(--body);
}
figure.fig-minimal .fig-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 12px;
}
figure.fig-minimal img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
  background: var(--bg-2);
}
figure.fig-minimal figcaption {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-muted);
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--mint);
  max-width: 60ch;
}
figure.fig-minimal figcaption .src {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-top: 6px;
}
.thesis-body section { scroll-margin-top: 88px; }

/* The first (untitled) section needs its own anchor offset */
.thesis-body .opening { scroll-margin-top: 88px; }

/* ---------- Theses index ---------- */
.theses-list {
  padding: 60px 32px 120px;
  max-width: var(--w-page);
  margin: 0 auto;
}
.thesis-row {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 36px;
  align-items: baseline;
  padding: 32px 0;
  border-top: 1px solid var(--rule);
  transition: padding .3s var(--ease);
  cursor: pointer;
  color: var(--ink);
}
.thesis-row:last-child { border-bottom: 1px solid var(--rule); }
.thesis-row:hover { padding-left: 12px; }
.thesis-row:hover .thesis-title { color: var(--ink); }
.thesis-row .idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-dim);
}
.thesis-row .thesis-title {
  font-family: var(--display);
  font-weight: 400;
  font-size: 30px;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--ink-soft);
  transition: color .2s var(--ease);
}
.thesis-row .thesis-title em {
  font-style: italic;
  color: var(--ink-muted);
  display: block;
  font-family: var(--body);
  font-size: 15px;
  font-weight: 400;
  margin-top: 10px;
  letter-spacing: 0;
  line-height: 1.4;
  max-width: 62ch;
}
.thesis-row .meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: right;
}
.thesis-row .meta .arrow {
  display: block;
  margin-top: 8px;
  color: var(--mint);
  font-size: 14px;
}

/* ---------- Contact ---------- */
.contact {
  padding: 120px 32px;
  max-width: var(--w-page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.contact h2 {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.02;
  letter-spacing: -0.028em;
  color: var(--ink);
}
.contact h2 em {
  font-style: italic;
  color: var(--ink-soft);
  font-variation-settings: "SOFT" 50, "WONK" 1;
}
.contact .lede {
  margin-top: 28px;
  max-width: 48ch;
  color: var(--ink-soft);
  font-size: 19px;
  line-height: 1.5;
}
.contact-card dl {
  display: grid;
  grid-template-columns: 120px 1fr;
  row-gap: 28px;
  column-gap: 24px;
  padding-top: 12px;
}
.contact-card dt {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-dim);
  padding-top: 5px;
}
.contact-card dd {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--ink);
}
.contact-card dd a {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.contact-card dd a:hover {
  border-color: var(--mint);
  color: var(--ink);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--rule);
  padding: 28px 32px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--w-page);
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer .sep { color: var(--ink-dim); margin: 0 12px; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .reader {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 72px;
  }
  .toc {
    position: static;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--rule);
  }
  .toc ol {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4px 32px;
  }
  .thesis-body { max-width: 780px; margin: 0 auto; }
}

@media (max-width: 780px) {
  html, body { font-size: 16px; }
  .dotgrid { display: none; }
  .site-header .inner { padding: 14px 20px; }
  .brand .sub { display: none; }
  nav.primary { gap: 18px; font-size: 11px; letter-spacing: .1em; }
  .hero { padding: 56px 20px 24px; }
  .manifesto { font-size: 18px; padding-left: 20px; }
  .chat-wrap { padding: 0 20px; margin-top: 48px; }
  .chat-log { padding: 20px; }
  .msg { grid-template-columns: 1fr; gap: 6px; }
  .reader { padding: 56px 22px 80px; }
  .thesis-body h2 { font-size: 28px; margin-top: 56px; }
  .toc ol { grid-template-columns: 1fr; }
  .theses-list { padding: 40px 22px 80px; }
  .thesis-row {
    grid-template-columns: 60px 1fr;
    gap: 16px;
    padding: 24px 0;
  }
  .thesis-row .meta { grid-column: 2; text-align: left; margin-top: 8px; }
  .contact { grid-template-columns: 1fr; gap: 40px; padding: 60px 22px; }
  .contact-card dl { grid-template-columns: 90px 1fr; row-gap: 20px; }
  .contact-card dd { font-size: 20px; }
}