/* ————— What Are We Losing · PSN 2026 — gallery dark, sage ————— */

:root {
  --bg: #111711;
  --lift: #17221B;
  --panel: #151D15;
  --ink: #E3EADB;
  --dim: #A9BA8F;
  --faint: #71806A;
  --line: rgba(227, 234, 219, 0.14);
  --accent: #B9C99C;
  --accent-soft: rgba(185, 201, 156, 0.20);
  --paper: #F2ECDF;
  --serif: "Newsreader", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --scale: 1;
}

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

html { scroll-behavior: smooth; }
html.no-smooth { scroll-behavior: auto; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: calc(18px * var(--scale));
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--accent-soft); }

/* ————— sections ————— */

.sec {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(26px, 6vw, 96px);
  position: relative;
  background: radial-gradient(1150px 760px at 50% 30%, var(--lift) 0%, var(--bg) 62%);
  border-bottom: 1px solid rgba(227, 234, 219, 0.07);
}
.sec-inner { width: min(1120px, 100%); margin: 0 auto; }

/* ————— shared vocabulary ————— */

.k {
  font-family: var(--mono);
  font-size: calc(12px * var(--scale));
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.k .tick { color: var(--faint); margin-right: 12px; }

h1, h2 {
  font-weight: 400;
  letter-spacing: -0.01em;
  line-height: 1.07;
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 6.6vw, 92px); }
h2 { font-size: clamp(30px, 4.2vw, 58px); margin-bottom: 0.4em; }
h1 em, h2 em { font-style: italic; color: var(--accent); }

.sub {
  font-size: calc(clamp(17px, 1.6vw, 23px) * var(--scale));
  line-height: 1.45;
  color: var(--dim);
  max-width: 36em;
  text-wrap: pretty;
}

.who, .cite {
  font-family: var(--mono);
  font-size: calc(11.5px * var(--scale));
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
}
.cite { text-transform: none; letter-spacing: 0.04em; }

.foot {
  margin-top: 56px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--serif);
  font-size: calc(14.5px * var(--scale));
  color: var(--dim);
}

/* ————— reveal ————— */

.reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  html:not(.reduce-motion) .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.6, 0.2, 1);
  }
  html:not(.reduce-motion) .reveal.in { opacity: 1; transform: none; }
  html:not(.reduce-motion) .reveal[data-d="1"] { transition-delay: 0.12s; }
  html:not(.reduce-motion) .reveal[data-d="2"] { transition-delay: 0.24s; }
  html:not(.reduce-motion) .reveal[data-d="3"] { transition-delay: 0.36s; }
  html:not(.reduce-motion) .reveal[data-d="4"] { transition-delay: 0.48s; }
}
@media print {
  .reveal { opacity: 1 !important; transform: none !important; }
}

/* ————— hero ————— */

.hero { text-align: center; align-items: center; }
.hero .conf {
  font-family: var(--mono);
  font-size: calc(11.5px * var(--scale));
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 44px;
}
.hero .motif { width: min(520px, 70vw); margin: 44px auto 36px; display: block; }
.hero .deckSub {
  font-style: italic;
  color: var(--dim);
  font-size: calc(clamp(17px, 1.8vw, 24px) * var(--scale));
  margin-bottom: 48px;
}
.hero .authors {
  font-family: var(--serif);
  font-size: calc(clamp(16px, 1.5vw, 20px) * var(--scale));
  color: var(--dim);
  margin-bottom: 8px;
  text-wrap: balance;
}
.hero .org {
  font-family: var(--serif);
  font-style: italic;
  font-size: calc(clamp(15px, 1.3vw, 18px) * var(--scale));
  color: var(--dim);
}
.hero .orient {
  margin-top: 34px;
  font-family: var(--serif);
  font-style: italic;
  font-size: calc(clamp(17px, 1.5vw, 21px) * var(--scale));
  color: var(--dim);
  max-width: 34em;
  margin-left: auto;
  margin-right: auto;
  text-wrap: balance;
}
.hero .uts {
  width: 74px;
  margin: 40px auto 0;
  opacity: 0.85;
  display: block;
}

.hint {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  white-space: nowrap;
}
@media (prefers-reduced-motion: no-preference) {
  html:not(.reduce-motion) .hint { animation: bob 2.6s ease-in-out infinite; }
}
@keyframes bob {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(5px); }
}

/* ————— long view stepper ————— */

.lv-stage {
  position: relative;
  margin-top: 40px;
  aspect-ratio: 3400 / 940;
  max-height: 380px;
  width: 100%;
  cursor: pointer;
}
.lv-stage img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
}
.lv-stage img.on { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  html:not(.reduce-motion) .lv-stage img { transition: opacity 0.6s ease; }
}

.lv-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  margin-top: 8px;
}
.lv-controls .arrow {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: none;
  color: var(--ink);
  font-size: 17px;
  cursor: pointer;
  transition: border-color 0.25s ease;
}
.lv-controls .arrow:hover { border-color: var(--accent); }
.lv-dots { display: flex; gap: 14px; }
.lv-dots button {
  width: 34px; height: 34px;
  background: none; border: none;
  display: grid; place-items: center;
  cursor: pointer;
  padding: 0;
}
.lv-dots button::after {
  content: "";
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 1.5px solid var(--faint);
  background: transparent;
  transition: all 0.3s ease;
}
.lv-dots button.on::after {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(185, 201, 156, 0.55);
}

.lv-caps { position: relative; min-height: 170px; margin-top: 26px; }
.lv-cap {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}
.lv-cap.on { opacity: 1; transform: none; pointer-events: auto; }
@media (prefers-reduced-motion: no-preference) {
  html:not(.reduce-motion) .lv-cap { transition: opacity 0.55s ease, transform 0.55s ease; }
}
.lv-cap .row {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.lv-cap h3 { font-size: clamp(24px, 2.6vw, 38px); font-weight: 500; }
.lv-cap .n { font-family: var(--mono); font-size: 14px; color: var(--accent); letter-spacing: 0.2em; }
.lv-cap .rel {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}
.lv-cap p { color: var(--dim); max-width: 46em; text-wrap: pretty; font-size: calc(17px * var(--scale)); }
.lv-take {
  margin-top: 16px;
  font-style: italic;
  font-size: calc(clamp(17px, 1.7vw, 22px) * var(--scale));
  color: var(--ink);
  border-left: 1px solid var(--accent);
  padding-left: 22px;
  max-width: 34em;
  text-wrap: pretty;
}
.lv-take em { color: var(--accent); }

/* ————— placards ————— */

.placards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin-top: 44px;
}
.placard {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #18221A 0%, #131B14 100%);
  padding: 28px 30px;
}
.placard .n {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--accent);
  display: block;
  margin-bottom: 14px;
}
.placard h3 { font-size: clamp(20px, 1.9vw, 27px); font-weight: 500; margin-bottom: 8px; line-height: 1.15; }
.placard .big {
  font-size: clamp(34px, 3.4vw, 52px);
  display: block;
  margin-bottom: 6px;
}
.placard .big i { font-style: italic; color: var(--accent); font-size: 0.6em; }
.placard p { color: var(--dim); font-size: calc(15.5px * var(--scale)); text-wrap: pretty; }

.art-row {
  display: grid;
  grid-template-columns: 1fr minmax(200px, 320px);
  gap: clamp(28px, 4vw, 64px);
  align-items: center;
}
@media (max-width: 820px) {
  .art-row { grid-template-columns: 1fr; }
  .art-row .art { display: none; }
}
.art img { width: 100%; display: block; }

.sum {
  margin-top: 44px;
  font-style: italic;
  color: var(--dim);
  font-size: calc(clamp(17px, 1.7vw, 23px) * var(--scale));
  max-width: 36em;
  text-wrap: pretty;
}
.sum em { color: var(--ink); }

/* ————— methods list ————— */

.methods { margin-top: 44px; border-top: 1px solid var(--line); }
.method-row {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 18px;
  align-items: baseline;
  padding: 20px 4px;
  border-bottom: 1px solid var(--line);
}
.method-row .rn { font-family: var(--mono); font-size: 14px; color: var(--accent); letter-spacing: 0.14em; }
.method-row .rm { font-size: clamp(21px, 2.2vw, 31px); line-height: 1.12; }
.method-row .rd { color: var(--dim); font-size: calc(15px * var(--scale)); text-align: right; max-width: 24em; }
@media (max-width: 700px) {
  .method-row { grid-template-columns: 44px 1fr; }
  .method-row .rd { grid-column: 2; text-align: left; }
}

/* ————— early signal triptych ————— */

.trio {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: clamp(22px, 3.5vw, 52px);
  margin-top: 48px;
  align-items: start;
}
.trio .exl {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.trio .sketch {
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.trio .sketch img { max-height: 100%; max-width: 100%; }
.trio .exq {
  margin-top: 24px;
  font-size: clamp(19px, 1.9vw, 26px);
  line-height: 1.25;
  text-wrap: pretty;
}
.trio .exq .exs {
  display: block;
  margin-top: 12px;
  font-size: calc(14.5px * var(--scale));
  font-style: normal;
  color: var(--dim);
}

/* ————— quotes ————— */

.q {
  font-style: italic;
  line-height: 1.35;
  text-wrap: pretty;
}
.q .qt::before { content: "“"; color: var(--accent); }
.q .qt::after { content: "”"; color: var(--accent); }
.q .who { display: block; margin-top: 12px; font-style: normal; }

/* ————— bot chat ————— */

.chat {
  margin-top: 44px;
  max-width: 660px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 320px;
}
.msg {
  display: none;
  flex-direction: column;
  gap: 7px;
  align-self: flex-end;
  align-items: flex-end;
  max-width: 88%;
}
.msg.on { display: flex; }
@media (prefers-reduced-motion: no-preference) {
  html:not(.reduce-motion) .msg.on { animation: msgIn 0.45s cubic-bezier(0.2, 0.6, 0.2, 1); }
}
@keyframes msgIn {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
}
.msg .bubble {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: calc(clamp(18px, 1.8vw, 24px) * var(--scale));
  line-height: 1.3;
  padding: 16px 22px;
  border-radius: 20px 20px 4px 20px;
  text-wrap: pretty;
}
.msg .tn { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--faint); padding-right: 6px; }
.play-btn {
  margin-top: 26px;
  align-self: flex-start;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: var(--accent);
  color: #141A0E;
  border: none;
  padding: 13px 24px;
  min-height: 44px;
  border-radius: 999px;
  cursor: pointer;
}
.play-btn[disabled] { opacity: 0.35; cursor: default; }
.play-btn--ghost {
  background: none;
  border: 1px solid var(--line);
  color: var(--dim);
}
.play-btn--ghost:hover { border-color: var(--accent); color: var(--ink); }

/* ————— body mapping method points ————— */

.bm-method-row {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(220px, 420px);
  gap: clamp(24px, 4vw, 64px);
  align-items: center;
  margin: 26px 0 8px;
}
@media (max-width: 760px) { .bm-method-row { grid-template-columns: 1fr; } }
.bm-soma {
  width: 100%;
  height: auto;
  display: block;
  justify-self: end;
}

.bm-method {
  border-left: 1px solid var(--accent);
  padding-left: 26px;
}
.bm-method-h {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.bm-method ul {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(200px, 320px));
  gap: 10px 32px;
}
@media (max-width: 640px) { .bm-method ul { grid-template-columns: 1fr; } }
.bm-method li {
  color: var(--dim);
  font-size: calc(16px * var(--scale));
  line-height: 1.4;
  padding-left: 20px;
  position: relative;
}
.bm-method li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--faint);
}

/* ————— body mapping spreads ————— */

.bm-wrap {
  display: grid;
  grid-template-columns: minmax(230px, 350px) 1fr;
  gap: clamp(26px, 4.5vw, 70px);
  margin-top: 40px;
  align-items: start;
}
@media (max-width: 860px) { .bm-wrap { grid-template-columns: 1fr; } }

.bm-art { position: relative; }
.bm-frame {
  position: relative;
  background: #1A241B;
  border: 1px solid rgba(227, 234, 219, 0.24);
  padding: 14px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
  cursor: zoom-in;
}
.bm-frame .spot {
  position: absolute;
  inset: -110px;
  background: radial-gradient(closest-side, var(--accent-soft), transparent 72%);
  pointer-events: none;
}
.bm-frame img { position: relative; width: 100%; display: none; }
.bm-frame img.on { display: block; }
.bm-art .label {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--faint);
  text-align: center;
}

.bm-spreads { position: relative; }
.bm-spread { display: none; flex-direction: column; gap: 30px; }
.bm-spread.on { display: flex; }
@media (prefers-reduced-motion: no-preference) {
  html:not(.reduce-motion) .bm-spread.on { animation: msgIn 0.5s ease; }
}
.bm-theme { font-style: italic; color: var(--accent); font-size: clamp(21px, 2vw, 28px); }
.bm-spread .q {
  font-size: clamp(18px, 1.8vw, 24px);
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.bm-nav { display: flex; align-items: center; gap: 16px; margin-top: 30px; }
.bm-nav button {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: none;
  color: var(--ink);
  font-size: 17px;
  cursor: pointer;
  transition: border-color 0.25s ease;
}
.bm-nav button:hover { border-color: var(--accent); }
.bm-count { font-family: var(--mono); font-size: 12px; color: var(--faint); letter-spacing: 0.12em; }

/* ————— your turn: tap the body ————— */

.yt-wrap {
  display: grid;
  grid-template-columns: minmax(210px, 300px) 1fr;
  gap: clamp(26px, 4.5vw, 70px);
  margin-top: 44px;
  align-items: center;
}
@media (max-width: 860px) { .yt-wrap { grid-template-columns: 1fr; } }
.yt-paper {
  position: relative;
  background: var(--paper);
  border-radius: 2px;
  padding: 14px;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.55);
  transform: rotate(-0.8deg);
  cursor: crosshair;
}
.yt-paper img { width: 100%; display: block; pointer-events: none; }
.yt-canvas {
  position: absolute;
  inset: 14px;
  width: calc(100% - 28px);
  height: calc(100% - 28px);
  touch-action: none;
  cursor: crosshair;
}
.yt-pencils { display: flex; gap: 12px; margin-top: 28px; flex-wrap: wrap; }
.yt-pencil {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 2px solid transparent;
  background:
    radial-gradient(circle at 35% 30%, rgba(255, 255, 255, 0.42), rgba(255, 255, 255, 0) 46%),
    var(--c);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.yt-pencil:hover { transform: translateY(-2px); }
.yt-pencil.on {
  border-color: var(--ink);
  box-shadow: 0 0 0 3px var(--bg), 0 0 18px rgba(185, 201, 156, 0.35);
  transform: scale(1.12);
}
.yt-side h3 { font-size: clamp(24px, 2.6vw, 38px); font-weight: 400; margin-bottom: 14px; }
.yt-side p { color: var(--dim); max-width: 30em; text-wrap: pretty; }
.yt-tools {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  display: flex;
  gap: 20px;
  align-items: center;
}
.yt-clear, .yt-undo {
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  background: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--dim);
  cursor: pointer;
  padding: 10px 18px;
  min-height: 40px;
}
.yt-clear:hover, .yt-undo:hover { border-color: var(--accent); color: var(--ink); }

/* ————— voices ————— */

.voices { margin-top: 44px; display: grid; gap: 14px; max-width: 900px; }
.voice {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 24px 28px;
  display: none;
}
.voice.on { display: block; }
@media (prefers-reduced-motion: no-preference) {
  html:not(.reduce-motion) .voice.on { animation: msgIn 0.5s ease; }
}
.voice .q { font-size: clamp(18px, 1.8vw, 25px); }

/* ————— experts ————— */

.ex-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 48px;
}
@media (max-width: 760px) { .ex-grid { grid-template-columns: 1fr; } }
.ex-grid .placard .q { font-size: clamp(19px, 1.8vw, 26px); }
.ex-grid .placard .q .who { margin-top: 16px; }

/* ————— the question (thesis) ————— */

.st-line {
  font-size: clamp(32px, 4.6vw, 64px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-wrap: balance;
  max-width: 18em;
}
.st-line em { font-style: italic; color: var(--accent); }
.st-q {
  margin-top: 44px;
  font-size: clamp(20px, 2.4vw, 33px);
  line-height: 1.3;
  color: var(--dim);
  max-width: 30em;
  text-wrap: pretty;
  border-left: 1px solid var(--accent);
  padding-left: 26px;
}
.st-q em { font-style: italic; color: var(--ink); }

/* ————— what might AI be changing ————— */

.chg-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 44px;
}
@media (max-width: 760px) { .chg-grid { grid-template-columns: 1fr; } }
.chg-col {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #18221A 0%, #131B14 100%);
  padding: 30px 32px;
}
.chg-h {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.chg-col ul { list-style: none; display: grid; gap: 14px; }
.chg-col li {
  padding-left: 24px;
  position: relative;
  color: var(--dim);
  font-size: calc(clamp(16px, 1.5vw, 20px) * var(--scale));
  line-height: 1.4;
  text-wrap: pretty;
}
.chg-col li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--faint);
}
.sowhat {
  margin-top: 26px;
  font-style: italic;
  font-size: clamp(21px, 2.2vw, 30px);
  line-height: 1.3;
  border-left: 1px solid var(--accent);
  padding-left: 26px;
  max-width: 30em;
  text-wrap: pretty;
}
.sowhat em { color: var(--accent); }

/* ————— invitation ————— */

.invite-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: clamp(32px, 5vw, 80px);
  align-items: center;
}
@media (max-width: 760px) { .invite-grid { grid-template-columns: 1fr; } }
.cta {
  margin-top: 36px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #141A0E;
  background: var(--accent);
  border-radius: 999px;
  padding: 17px 30px;
  min-height: 44px;
  text-decoration: none;
}
.qr-frame {
  background: #1A241B;
  border: 1px solid rgba(227, 234, 219, 0.24);
  padding: 18px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
}
.qr-frame img { width: min(230px, 56vw); display: block; }
.qr-wrap { display: flex; flex-direction: column; gap: 12px; align-items: center; }
.invite-q {
  margin-top: 64px;
  font-style: italic;
  font-size: clamp(21px, 2.2vw, 30px);
  border-left: 1px solid var(--accent);
  padding-left: 26px;
  max-width: 30em;
  text-wrap: pretty;
}
.invite-q em { color: var(--accent); }
.contact {
  margin-top: 44px;
  font-family: var(--serif);
  font-size: calc(16px * var(--scale));
  color: var(--dim);
  line-height: 1.9;
}
.contact a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--faint); }

.presenters {
  margin-top: 56px;
  display: grid;
  grid-template-columns: minmax(200px, 300px) 1fr;
  gap: clamp(26px, 4vw, 60px);
  align-items: end;
}
@media (max-width: 760px) { .presenters { grid-template-columns: minmax(200px, 340px); } }
.pres-frame {
  background: #1A241B;
  border: 1px solid rgba(227, 234, 219, 0.24);
  padding: 12px 12px 0;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.6);
}
.pres-frame img { width: 100%; display: block; }
.pres-frame figcaption {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
  text-align: center;
  padding: 12px 6px;
}
.presenters .contact { margin-top: 0; }

/* ————— references ————— */

.refs {
  columns: 2;
  column-gap: 70px;
  margin-top: 44px;
  font-size: calc(14px * var(--scale));
  line-height: 1.5;
  color: var(--dim);
}
@media (max-width: 760px) { .refs { columns: 1; } }
.refs p { margin: 0 0 20px; break-inside: avoid; padding-left: 22px; text-indent: -22px; text-wrap: pretty; }
.refs .refcat {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding-left: 0;
  text-indent: 0;
  margin: 10px 0 16px;
}
.refs i { color: var(--ink); }

/* ————— lightbox ————— */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9;
  background: rgba(10, 14, 10, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 4vmin;
  cursor: zoom-out;
}
.lightbox.on { display: flex; }
.lightbox img {
  max-width: 92vw;
  max-height: 88vh;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6);
}
.lightbox .lb-hint {
  position: absolute;
  bottom: 22px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
}

/* ————— rail + progress ————— */

.rail {
  position: fixed;
  right: 16px; top: 50%;
  transform: translateY(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
@media (max-width: 760px) { .rail { display: none; } }
.rail a {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--faint);
  opacity: 0.4;
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.25s ease;
  position: relative;
}
.rail a:hover { opacity: 0.9; }
.rail a.on { opacity: 1; background: var(--accent); transform: scale(1.35); }
.rail a .tip {
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 5px 10px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.rail a:hover .tip { opacity: 1; }

.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  z-index: 6;
}

@media print {
  .rail, .progress, .hint, .lightbox { display: none; }
  .sec { min-height: auto; page-break-inside: avoid; background: #fff; color: #000; }
  .msg, .voice, .bm-spread, .lv-cap { display: flex; position: static; opacity: 1; }
  .bm-frame img { display: block; }
}