/* Home page. Grid paper and glossy atoms come from the MM27 Atoms concept, the inked figures and
   their drafting sheets from the MM27 redesign, and the type from the first draft of this site. */
:root {
  color-scheme: light;
  --paper: #f3f2ee;
  --paper-2: #e9e7df;
  --surface: #fbfaf7;
  --ink: #151a17;
  --ink-2: #3c4540;
  --muted: #5b6560;
  --faint: #b7bab2;
  --rule: #d6d4cb;
  --rule-strong: #aaa79d;
  --grid: rgba(21, 26, 23, 0.055);
  --accent: #0b7a72;
  --accent-deep: #08524c;
  --signal-a: #13968d;
  --signal-b: #e2525c;
  --signal-ab: #7a4fcf;
  --amber: #f4c430;
  --green: #a7ef6b;
  --night: #0d110f;
  --night-2: #161c19;
  --night-ink: #d7dfd8;
  --atom-carbon: #3a4443;
  --atom-hydrogen: #f7f4ee;
  --atom-bond: #a9aeaa;
  --stage: radial-gradient(120% 120% at 30% 20%, #1e293b 0%, #0b1220 70%);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 20px 40px rgba(0, 0, 0, 0.05);
  --display: "Spectral", Georgia, "Times New Roman", serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --word: "Unbounded", "Arial Black", Impact, sans-serif;
  --radius: 18px;
  --gutter: max(20px, env(safe-area-inset-left, 0px));
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #0f1312;
    --paper-2: #171d1b;
    --surface: #141a18;
    --ink: #e8ece8;
    --ink-2: #c3cbc6;
    --muted: #98a29d;
    --faint: #5c6662;
    --rule: #27302d;
    --rule-strong: #3e4945;
    --grid: rgba(255, 255, 255, 0.045);
    --accent: #4fd1c5;
    --accent-deep: #8de3da;
    --signal-a: #2fb5aa;
    --signal-b: #ef6a73;
    --signal-ab: #a084e8;
    --atom-carbon: #6f7a77;
    --atom-hydrogen: #f2f0ea;
    --atom-bond: #8d9592;
    --shadow: 0 1px 0 rgba(255, 255, 255, 0.03), 0 20px 40px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.65 var(--body);
  -webkit-font-smoothing: antialiased;
}
/* Grid paper behind everything. */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
}
main, .site-footer { position: relative; z-index: 1; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link {
  position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 14px; border-radius: 8px;
  background: var(--ink); color: var(--paper); transform: translateY(-200%);
}
.skip-link:focus { transform: none; }

h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.015em; }
h2 { margin: 0; font-size: clamp(2rem, 4.4vw, 3.5rem); line-height: 1.04; text-wrap: balance; }
h3 { margin: 0 0 0.6rem; font-size: 1.3rem; line-height: 1.2; }
.wrap { position: relative; max-width: 1240px; margin: 0 auto; padding-inline: var(--gutter) max(20px, env(safe-area-inset-right, 0px)); }
.block { padding-block: clamp(72px, 10vw, 140px); }
.label {
  display: inline-flex; align-items: center; gap: 8px; margin: 0 0 14px;
  color: var(--muted); font: 500 0.74rem/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase;
}
.label::before { content: ""; width: 7px; height: 7px; background: var(--signal-b); }
.tag { margin: 0 0 10px; color: var(--accent); font: 500 0.74rem/1.4 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.head-row { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 20px 48px; align-items: end; margin-bottom: clamp(32px, 4vw, 52px); }
.head-row > p { margin: 0; max-width: 46ch; color: var(--ink-2); }

/* Header */
.top {
  position: fixed; z-index: 40; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: calc(14px + env(safe-area-inset-top, 0px)) max(20px, env(safe-area-inset-right, 0px)) 14px var(--gutter);
  transition: background-color 0.3s, box-shadow 0.3s;
}
.top.scrolled {
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  box-shadow: 0 1px 0 var(--rule);
}
.logo { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font: 600 1.05rem var(--body); text-decoration: none; letter-spacing: -0.01em; }
.logo i {
  width: 24px; height: 24px; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 35% 30%, #fff, #e4e0d8 50%, #9f9a8f);
  box-shadow: inset -2px -3px 6px rgba(0, 0, 0, 0.18), 0 2px 6px rgba(0, 0, 0, 0.15);
}
.top-nav { display: flex; align-items: center; gap: 4px; }
.top-nav a { padding: 7px 11px; border-radius: 999px; color: var(--ink-2); font-size: 0.92rem; font-weight: 500; text-decoration: none; }
.top-nav a:hover { color: var(--ink); background: color-mix(in srgb, var(--ink) 7%, transparent); }
.top-nav .tape-link { margin-left: 6px; background: var(--ink); color: var(--paper); }
.top-nav .tape-link:hover { background: var(--accent); color: var(--paper); }
.menu-btn {
  display: none; align-items: center; gap: 8px; height: 44px; padding: 0 18px;
  border: 1px solid var(--rule); border-radius: 12px; background: var(--surface); color: var(--ink);
  font: 600 0.78rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
}

/* Full-screen menu */
.overlay {
  position: fixed; inset: 0; z-index: 50; display: flex; flex-direction: column; justify-content: space-between; gap: 30px; overflow-y: auto;
  padding: calc(84px + env(safe-area-inset-top, 0px)) max(24px, env(safe-area-inset-right, 0px)) calc(30px + env(safe-area-inset-bottom, 0px)) max(24px, env(safe-area-inset-left, 0px));
  background: var(--night); color: #fff;
  clip-path: circle(0% at calc(100% - 64px) 38px); transition: clip-path 0.7s cubic-bezier(0.7, 0, 0.2, 1);
}
.overlay.open { clip-path: circle(150% at calc(100% - 64px) 38px); }
.overlay ol { list-style: none; margin: 0; padding: 0; counter-reset: m; }
.overlay li { counter-increment: m; border-bottom: 1px solid #263027; }
.overlay li a {
  display: flex; align-items: baseline; gap: 18px; padding: 10px 0; color: #fff; text-decoration: none;
  font: 600 clamp(1.9rem, 7vw, 3.6rem)/1.08 var(--display); letter-spacing: -0.02em;
}
.overlay li a::before { content: counter(m, decimal-leading-zero); color: var(--green); font: 500 0.8rem var(--mono); letter-spacing: 0.1em; }
.overlay li a:hover { color: var(--green); }
.overlay .close { align-self: flex-start; }
.overlay p { margin: 0; color: #b7c0b8; font-size: 0.92rem; }

/* Roll-over buttons */
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.roll {
  position: relative; display: inline-flex; align-items: center; overflow: hidden; height: 52px; padding: 0 24px;
  border: 0; border-radius: 999px; background: var(--ink); color: var(--paper); cursor: pointer;
  font: 600 0.8rem var(--mono); letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none;
}
.roll.light { background: var(--surface); color: var(--ink); box-shadow: inset 0 0 0 1px var(--rule); }
.roll span { display: block; transition: transform 0.45s cubic-bezier(0.7, 0, 0.2, 1); }
.roll span::after { content: attr(data-text); position: absolute; left: 0; top: 100%; width: 100%; text-align: center; color: var(--green); }
.roll.light span::after { color: var(--accent); }
.roll:hover span, .roll:focus-visible span { transform: translateY(-52px); }
.overlay .roll.light { background: #fff; color: var(--night); }

/* Hero */
.hero { position: relative; height: 100svh; min-height: 620px; overflow: hidden; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; opacity: 0; transition: opacity 0.8s ease; }
.hero.is-ready canvas { opacity: 1; }
.hero-word { display: none; }
.hero.no-webgl canvas { display: none; }
.hero.no-webgl .hero-word, html:not(.js) .hero-word {
  position: absolute; inset: 0 0 18% 0; display: grid; place-items: center; margin: 0;
  color: var(--ink); font: 800 clamp(4rem, 17vw, 13rem)/1 var(--word); letter-spacing: -0.04em; text-align: center;
}
.sticker { position: absolute; z-index: 2; margin: 0; transform: rotate(var(--r, 0deg)); animation: float 6s ease-in-out infinite; filter: drop-shadow(0 14px 18px rgba(0, 0, 0, 0.16)); }
.sticker:nth-of-type(2n) { animation-duration: 7.5s; animation-delay: -2s; }
@keyframes float { 50% { translate: 0 -12px; } }
.portrait { text-align: center; }
.portrait img { width: 96px; height: 96px; margin: 0 auto; border-radius: 50%; border: 5px solid #fff; object-fit: cover; }
.portrait figcaption { position: relative; width: max-content; max-width: 170px; margin: -12px auto 0; padding: 4px 11px 5px; border-radius: 12px; background: #fff; color: #121412; line-height: 1.15; }
.portrait figcaption b { display: block; font: 600 0.8rem var(--body); }
.portrait figcaption span { display: block; color: #4c524d; font: 500 0.6rem var(--mono); letter-spacing: 0.06em; text-transform: uppercase; }
.s1 { left: 8%; top: 17%; }
.s2 { right: 9%; top: 15%; }
.s3 { right: 13%; bottom: 25%; }
.s4 { left: 34%; top: 12%; }
.tile { width: 88px; height: 96px; padding: 8px 10px; border-radius: 10px; background: var(--amber); color: #121412; font-family: var(--body); line-height: 1; }
.tile b { display: block; margin-top: 12px; font: 600 2.3rem/1 var(--display); }
.tile small { font: 500 0.62rem var(--mono); }
.tile span { position: absolute; top: 8px; right: 10px; font: 500 0.72rem var(--mono); }
.badge { padding: 10px 16px; border-radius: 14px; background: var(--ink); color: var(--paper); font: 500 1.15rem var(--display); }
.badge em { color: var(--green); font-style: italic; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .badge em { color: #0b7a72; }
}
.pod {
  display: inline-flex; align-items: center; gap: 10px; padding: 8px 16px 8px 10px; border-radius: 999px;
  background: var(--signal-ab); color: #fff; text-decoration: none; font: 600 0.82rem/1.15 var(--body);
}
.pod svg { width: 30px; height: 30px; padding: 5px; border-radius: 50%; background: rgba(255, 255, 255, 0.18); }
.pod small { display: block; font: 500 0.62rem var(--mono); letter-spacing: 0.06em; text-transform: uppercase; opacity: 0.85; }
.pod:hover, .pod:focus-visible { background: var(--accent); }
.hero-info { position: absolute; z-index: 3; left: var(--gutter); bottom: 34px; max-width: 380px; }
.hero-info h1 { margin: 0 0 4px; font-size: clamp(1.5rem, 2.4vw, 1.9rem); line-height: 1.1; }
.hero-info .caps { margin: 0 0 10px; color: var(--accent); font: 500 0.74rem/1.4 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.hero-info p:last-child { margin: 0; color: var(--ink-2); font-size: 0.98rem; line-height: 1.5; }
.cue { position: absolute; z-index: 3; left: 50%; bottom: 30px; translate: -50% 0; display: grid; justify-items: center; gap: 8px; color: var(--ink-2); font-size: 0.82rem; text-decoration: none; text-align: center; }
.ring {
  width: 38px; height: 38px; padding: 3px; border-radius: 50%;
  background: conic-gradient(var(--signal-a), var(--amber), var(--signal-b), var(--signal-ab), var(--signal-a));
  animation: pulse 2.2s ease-in-out infinite, turn 6s linear infinite;
}
.ring::after { content: ""; display: block; width: 100%; height: 100%; border-radius: 50%; background: var(--paper) radial-gradient(circle, var(--ink) 0 3px, transparent 4px); }
@keyframes pulse { 50% { transform: scale(1.12); } }
@keyframes turn { to { rotate: 360deg; } }
.star { position: absolute; z-index: 3; right: max(24px, env(safe-area-inset-right, 0px)); bottom: 30px; color: transparent; -webkit-text-stroke: 1.5px var(--ink); font: 800 2.6rem var(--word); animation: turn 14s linear infinite; }

/* About */
.rotator { max-width: 23ch; margin-bottom: clamp(32px, 4vw, 52px); font-size: clamp(2.1rem, 5.4vw, 4.4rem); }
.words { display: inline-grid; overflow: hidden; height: 1.12em; color: var(--accent); vertical-align: bottom; font-style: italic; }
.words span { grid-area: 1 / 1; white-space: nowrap; transform: translateY(110%); transition: transform 0.6s cubic-bezier(0.7, 0, 0.2, 1); }
.words span.on { transform: none; }
.words span.off { transform: translateY(-110%); }
.about-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(28px, 5vw, 72px); align-items: start; }
.about-text p { max-width: 62ch; margin: 0 0 16px; color: var(--ink-2); font-size: 1.06rem; }
.about-card { padding: 24px; border: 1px solid var(--rule); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.about-card-head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.about-card-head p { margin: 0; line-height: 1.3; }
.about-card-head b { display: block; font: 600 1.25rem/1.2 var(--display); }
.about-card-head span { color: var(--muted); font-size: 0.9rem; }
.about-photo { flex: none; width: 92px; height: 92px; border-radius: 50%; object-fit: cover; border: 4px solid var(--paper); box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15); }
.facts { display: grid; gap: 0; margin: 0; }
.facts div { display: grid; grid-template-columns: 7.2rem minmax(0, 1fr); gap: 12px; padding: 10px 0; border-top: 1px dashed var(--rule); }
.facts dt { color: var(--muted); font: 500 0.7rem/1.9 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.facts dd { margin: 0; font-size: 0.95rem; }

/* Now */
.lead-project {
  display: grid; grid-template-columns: minmax(0, 1fr) 210px; gap: clamp(28px, 5vw, 64px); align-items: center;
  padding: clamp(24px, 3.4vw, 44px); border-radius: 24px; background: var(--night); color: var(--night-ink);
}
.lead-project h3 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1.08; margin-bottom: 1rem; }
.lead-project .tag { color: var(--green); }
.lead-text p { max-width: 64ch; margin: 0 0 0.9rem; }
.lead-text .press { margin-top: 1.2rem; color: #9fa9a2; font-size: 0.92rem; }
.lead-project a { color: var(--green); }
.lead-media { margin: 0; }
.lead-media video { display: block; width: 100%; height: auto; aspect-ratio: 364 / 948; max-height: 70vh; object-fit: cover; border-radius: 14px; background: #000; }
.lead-media figcaption { margin-top: 8px; color: #9fa9a2; font-size: 0.82rem; line-height: 1.45; }
.threads { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.thread, .card {
  display: flex; flex-direction: column; padding: 26px; border-radius: var(--radius); background: var(--surface);
  box-shadow: var(--shadow); transition: transform 0.4s, box-shadow 0.4s;
}
.thread:hover, .card:hover { transform: translateY(-4px) rotate(-0.4deg); }
.thread p:not(.tag), .card p:not(.tag) { margin: 0 0 12px; color: var(--ink-2); font-size: 0.97rem; }
.thread-links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: auto !important; padding-top: 6px; font-weight: 600; font-size: 0.92rem !important; }

/* Talks */
.talk-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule-strong); }
.talk-list li {
  display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr) 12rem; gap: 6px 24px; align-items: baseline;
  padding: 16px 0; border-bottom: 1px solid var(--rule);
}
.talk-title { font: 600 1.12rem/1.3 var(--display); }
.talk-venue { color: var(--muted); font-size: 0.95rem; }
.talk-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.talk-tags b {
  padding: 2px 9px; border-radius: 999px; font: 500 0.68rem/1.6 var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
  background: color-mix(in srgb, var(--c) 16%, transparent); color: var(--ink); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 55%, transparent);
}
.t-ai { --c: var(--signal-ab); }
.t-energy { --c: #d9a20b; }
.t-teach { --c: var(--signal-a); }
.t-chem { --c: var(--signal-b); }
.t-invited { --c: var(--ink); background: transparent !important; }

/* Live figures, on drafting sheets with corner marks and a ruler */
.sheet { margin-bottom: 28px; border: 1px solid var(--rule-strong); background: var(--surface); }
.drafting {
  --mark: var(--rule-strong);
  position: relative;
  background:
    linear-gradient(var(--mark), var(--mark)) left 12px top 22px / 11px 1px no-repeat,
    linear-gradient(var(--mark), var(--mark)) left 17px top 17px / 1px 11px no-repeat,
    linear-gradient(var(--mark), var(--mark)) right 12px top 22px / 11px 1px no-repeat,
    linear-gradient(var(--mark), var(--mark)) right 17px top 17px / 1px 11px no-repeat,
    linear-gradient(var(--mark), var(--mark)) left 12px bottom 22px / 11px 1px no-repeat,
    linear-gradient(var(--mark), var(--mark)) left 17px bottom 17px / 1px 11px no-repeat,
    linear-gradient(var(--mark), var(--mark)) right 12px bottom 22px / 11px 1px no-repeat,
    linear-gradient(var(--mark), var(--mark)) right 17px bottom 17px / 1px 11px no-repeat,
    var(--surface);
}
.ruler {
  position: absolute; left: 34px; right: 34px; height: 9px; pointer-events: none;
  background:
    repeating-linear-gradient(90deg, var(--rule-strong) 0 1px, transparent 1px 80px) 0 0 / 100% 100%,
    repeating-linear-gradient(90deg, var(--rule) 0 1px, transparent 1px 8px) 0 100% / 100% 55% no-repeat;
}
.ruler-top { top: 16px; }
.stage-meta {
  position: absolute; z-index: 2; top: 32px; left: 40px; right: 40px; display: flex; justify-content: space-between; gap: 16px;
  color: var(--muted); font: 400 0.7rem var(--mono); pointer-events: none;
}
.stage-meta sub { font-size: 0.8em; }
.fig-reaction { padding: 62px clamp(14px, 3vw, 44px) 30px; }
.reaction { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 340px); gap: clamp(16px, 2.5vw, 36px); margin: 0; }
.figure-caption { grid-column: 1 / -1; padding-top: 12px; border-top: 1px solid var(--rule); color: var(--ink-2); font-size: 0.9rem; line-height: 1.5; }
.figure-caption strong { color: var(--ink); }
.reaction-view { position: relative; min-height: clamp(280px, 37vh, 420px); cursor: crosshair; }
.reaction-view canvas, .liquid-view canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.reaction-view canvas { -webkit-mask-image: linear-gradient(90deg, transparent, #000 6% 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6% 94%, transparent); }
.reaction-labels { position: absolute; inset: 0; overflow: hidden; pointer-events: none; transition: opacity 0.4s; }
.reaction-view:not([data-ready]) .reaction-labels { opacity: 0; }
.reaction-labels > span { position: absolute; top: 0; left: 0; white-space: nowrap; font-family: var(--mono); will-change: transform; }
.atom-label { padding: 1px 6px; border: 1px solid; background: var(--paper); font-size: 0.74rem; font-weight: 500; }
.atom-label-a { color: var(--accent-deep); }
.atom-label-b { color: #b8323d; }
.dim-label { padding: 0 4px; background: var(--paper); color: var(--ink-2); font-size: 0.68rem; }
.ts-label { padding: 2px 7px; background: var(--signal-ab); color: #fff; font-size: 0.72rem; font-weight: 500; opacity: 0; transition: opacity 0.25s; }
.ts-label.is-on { opacity: 1; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .atom-label-b { color: #ff8a92; }
}
.reaction-fallback, .liquid-fallback { position: absolute; inset: 0; display: none; place-items: center; padding: 24px; color: var(--muted); font: 0.78rem var(--mono); text-align: center; }
[data-fallback="true"] .reaction-fallback, [data-fallback="true"] .liquid-fallback, html:not(.js) .reaction-fallback, html:not(.js) .liquid-fallback { display: grid; }
[data-fallback="true"] canvas, [data-fallback="true"] .reaction-labels { display: none; }
.reaction-panel { display: flex; flex-direction: column; gap: 12px; align-self: center; padding: 16px 0 4px clamp(14px, 2vw, 24px); border-left: 1px solid var(--rule); }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); font: 500 0.7rem var(--mono); text-transform: uppercase; }
.play-toggle, .preset-row button {
  padding: 5px 10px; border: 1px solid var(--rule-strong); background: var(--surface); color: var(--ink-2); cursor: pointer;
  font: 500 0.7rem var(--mono); text-transform: uppercase; transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.play-toggle:hover, .preset-row button:hover { border-color: var(--ink); color: var(--ink); }
.energy-plot { display: block; width: 100%; height: auto; overflow: visible; cursor: ew-resize; touch-action: pan-y; }
.energy-plot:focus-visible { outline-offset: 4px; }
.plot-grid line { stroke: var(--rule); stroke-dasharray: 2 4; }
.plot-grid text, .plot-tick, .plot-axis, .plot-note { fill: var(--muted); font-family: var(--mono); font-size: 10px; }
.plot-axis { fill: var(--ink-2); }
.plot-note { fill: var(--signal-ab); font-size: 9.5px; }
.plot-curve { fill: none; stroke: var(--ink); stroke-width: 1.6px; }
.plot-cursor { stroke: var(--signal-ab); stroke-dasharray: 3 3; }
.plot-marker { fill: var(--paper); stroke: var(--signal-ab); stroke-width: 2.5px; }
.plot-base { stroke: var(--rule-strong); }
.readouts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin: 0; border: 1px solid var(--rule); background: var(--rule); }
.readouts div { padding: 7px 9px 8px; background: var(--surface); }
.readouts dt { color: var(--muted); font: 0.66rem var(--mono); }
.readouts dd { margin: 0; font: 0.86rem var(--mono); font-variant-numeric: tabular-nums; }

.simulation { display: grid; grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr); }
.simulation-stage { position: relative; padding: 62px 34px 34px; border-right: 1px solid var(--rule); }
.simulation-text { display: flex; flex-direction: column; justify-content: center; gap: 12px; padding: 40px clamp(20px, 3vw, 40px); }
.simulation-text .label { margin: 0; }
.simulation-text h3 { margin: 0; font-size: clamp(1.7rem, 2.8vw, 2.4rem); line-height: 1.05; }
.simulation-text p:not(.label) { margin: 0; color: var(--ink-2); }
.liquid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 280px); gap: 22px; margin: 0; }
.liquid-view { position: relative; aspect-ratio: 1; min-height: 380px; cursor: grab; touch-action: pan-y; }
.liquid-view:active { cursor: grabbing; }
.liquid-hint { position: absolute; right: 0; bottom: 0; color: var(--muted); font: 0.66rem var(--mono); text-transform: uppercase; }
.liquid-panel { display: flex; flex-direction: column; justify-content: center; gap: 18px; }
.thermostat { display: grid; gap: 10px; margin: 0; padding: 0; border: 0; }
.thermostat legend { margin-bottom: 10px; padding: 0; color: var(--muted); font: 500 0.7rem var(--mono); text-transform: uppercase; }
.preset-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
.preset-row.secondary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.preset-row button { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 7px 9px; }
.preset-row button small { color: var(--muted); font-size: 0.64rem; }
.preset-row button[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.preset-row button[aria-pressed="true"] small { color: var(--faint); }
.range { display: grid; grid-template-columns: minmax(0, 1fr) 44px; align-items: center; gap: 10px; }
.range input { width: 100%; accent-color: var(--accent); }
.range output { font: 0.82rem var(--mono); text-align: right; }
.speed-plot svg { display: block; width: 100%; height: auto; margin-top: 6px; }
.legend { display: flex; align-items: center; gap: 6px; margin: 4px 0 0; color: var(--muted); font: 0.66rem var(--mono); }
.legend i { display: inline-block; width: 12px; }
.legend i + i { margin-left: 8px; }
.legend-bar { height: 8px; border: 1px solid var(--signal-a); background: color-mix(in srgb, var(--signal-a) 35%, transparent); }
.legend-line { height: 2px; background: var(--signal-b); }
.hist-bars { fill: color-mix(in srgb, var(--signal-a) 30%, transparent); stroke: var(--signal-a); stroke-width: 1px; }
.hist-curve { fill: none; stroke: var(--signal-b); stroke-width: 2px; }

/* Selected research, each with a still of its 3D scene */
.feature { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(24px, 4vw, 56px); align-items: center; margin: 0 0 clamp(56px, 8vw, 96px); }
.feature:last-child { margin-bottom: 0; }
.feature.reverse .feature-text { order: 2; }
.feature-text h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.feature-text p { margin: 0 0 0.9rem; color: var(--ink-2); }
.feature-text .tag { color: var(--accent); }
.links { display: flex; flex-wrap: wrap; gap: 8px 18px; font-weight: 600; }
.poster { margin: 0; }
.poster a { position: relative; display: block; overflow: hidden; border-radius: var(--radius); background: var(--stage); box-shadow: var(--shadow); }
.poster img { width: 100%; height: auto; transition: transform 0.4s ease; }
.poster a:hover img { transform: scale(1.02); }
.poster-cta {
  position: absolute; right: 14px; bottom: 14px; padding: 7px 14px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18); background: rgba(15, 23, 42, 0.82); color: #f1f5f9; font-size: 0.9rem; font-weight: 600;
}
.poster-cta::after { content: " \2192"; }
.poster a:hover .poster-cta, .poster a:focus-visible .poster-cta { border-color: var(--green); background: var(--green); color: #0d110f; }
.poster figcaption { margin-top: 8px; color: var(--muted); font-size: 0.86rem; }

/* Outlined keywords drifting across */
.drift { position: relative; z-index: 1; overflow: hidden; padding-block: 10px; }
.drift div { display: flex; width: max-content; gap: 44px; animation: drift 60s linear infinite; }
.drift span { color: transparent; -webkit-text-stroke: 1.2px var(--ink); font: 600 clamp(2.6rem, 7.5vw, 6.5rem)/1.1 var(--display); letter-spacing: -0.02em; white-space: nowrap; }
.drift span:nth-child(3n) { color: var(--ink); -webkit-text-stroke: 0; font-style: italic; }
@keyframes drift { to { transform: translateX(-50%); } }

/* Beyond the papers */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.card h3 { font-size: 1.45rem; }
.card-link { margin-top: auto !important; font-weight: 600; }

/* Publications */
.pubs { margin: 0; padding-left: 1.4rem; max-width: 900px; }
.pubs li { margin-bottom: 1rem; color: var(--muted); font-size: 0.97rem; }
.pubs li::marker { color: var(--faint); font-family: var(--mono); font-size: 0.85em; }
.pubs li a { color: var(--ink); font-weight: 500; text-decoration: none; }
.pubs li a:hover { color: var(--accent); text-decoration: underline; }
.pubs strong { color: var(--ink); font-weight: 600; }
.all-pubs { max-width: 900px; margin-top: 28px; border-top: 1px solid var(--rule); }
.all-pubs summary {
  display: inline-flex; align-items: center; gap: 10px; margin-top: 24px; padding: 12px 20px; border-radius: 999px;
  background: var(--ink); color: var(--paper); cursor: pointer; list-style: none; font: 600 0.8rem var(--mono); letter-spacing: 0.06em; text-transform: uppercase;
}
.all-pubs summary::-webkit-details-marker { display: none; }
.all-pubs summary::after { content: "+"; font-size: 1.1rem; line-height: 1; }
.all-pubs[open] summary::after { content: "−"; }
.all-pubs h3 { margin: 32px 0 12px; color: var(--muted); font: 500 0.78rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

/* Contact */
.contact { text-align: center; }
.contact h2 { margin: 0 auto; max-width: 18ch; font-size: clamp(2.3rem, 6vw, 5rem); }
.contact h2 span { display: block; color: var(--accent); font-style: italic; }
.contact-lede { margin: 18px auto 30px; color: var(--ink-2); }
.contact-list { display: grid; gap: 0; max-width: 620px; margin: 0 auto; padding: 0; list-style: none; text-align: left; }
.contact-list li { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; padding: 14px 0; border-bottom: 1px solid var(--rule); }
.contact-list li > span { width: 80px; flex-shrink: 0; color: var(--muted); font: 500 0.74rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }
.copy { margin-left: auto; padding: 6px 14px; border: 0; border-radius: 999px; background: var(--ink); color: var(--paper); cursor: pointer; font: 600 0.7rem var(--mono); letter-spacing: 0.08em; text-transform: uppercase; }

/* Footer */
.site-footer { padding-block: 72px 36px; background: var(--night); color: var(--night-ink); }
.site-footer .cols { display: grid; grid-template-columns: 1.4fr repeat(2, minmax(0, 1fr)); gap: 30px; }
.site-footer h3 { margin: 0 0 14px; color: var(--green); font: 500 0.76rem var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.site-footer p { margin: 0; max-width: 40ch; color: #aeb8b0; }
.site-footer ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.site-footer a { color: var(--night-ink); text-decoration: none; }
.site-footer a:hover { color: var(--green); }
.site-footer .big { max-width: none; margin: 56px 0 26px; color: var(--green); font: 800 clamp(3.6rem, 15vw, 13rem)/0.85 var(--word); letter-spacing: -0.06em; white-space: nowrap; }
.site-footer .fine { color: #7f8a83; font-size: 0.86rem; }

/* Reveal on scroll */
.js .reveal { transition: opacity 0.8s, transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1); }
.js .reveal:not(.in) { opacity: 0; transform: translateY(26px); }

@media (max-width: 1100px) {
  .reaction { grid-template-columns: minmax(0, 1fr); }
  .reaction-panel {
    display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); grid-template-areas: "head head" "plot readouts";
    gap: 12px 24px; align-items: center; padding: 18px 0 0; border-top: 1px solid var(--rule); border-left: 0;
  }
  .reaction-panel .panel-head { grid-area: head; }
  .energy-plot { grid-area: plot; }
  .reaction-panel .readouts { grid-area: readouts; }
  .simulation { grid-template-columns: minmax(0, 1fr); }
  .simulation-stage { border-right: 0; border-bottom: 1px solid var(--rule); }
  .threads { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .threads .thread:last-child { grid-column: 1 / -1; }
  .talk-list li { grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); }
  .talk-tags { grid-column: 1 / -1; justify-content: flex-start; }
}
@media (max-width: 1000px) {
  .top-nav { display: none; }
  .menu-btn { display: inline-flex; }
}
@media (max-width: 900px) {
  .head-row, .about-grid, .feature, .cards, .threads, .site-footer .cols { grid-template-columns: minmax(0, 1fr); }
  .threads .thread:last-child { grid-column: auto; }
  .feature.reverse .feature-text { order: 0; }
  .lead-project { grid-template-columns: minmax(0, 1fr); }
  .lead-media { width: min(100%, 230px); margin-inline: auto; }
  .lead-media video { max-height: 56vh; }
  .liquid { grid-template-columns: minmax(0, 1fr); }
  .liquid-view { min-height: 0; max-height: 70svh; }
  .tile, .badge { display: none; }
  .s1 { left: 6%; top: 12%; }
  .s4 { left: auto; right: 6%; top: 14%; }
  .star { display: none; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero { min-height: 640px; }
  .hero-info { right: 20px; bottom: 96px; max-width: none; }
  .cue { bottom: 22px; }
  .portrait img { width: 64px; height: 64px; border-width: 4px; }
  .portrait figcaption { padding: 3px 8px 4px; }
  .portrait figcaption b { font-size: 0.7rem; }
  .portrait figcaption span { font-size: 0.54rem; }
  .s1 { top: 84px; }
  .s4 { top: 94px; }
  .pod { padding: 6px 12px 6px 8px; font-size: 0.74rem; }
  .pod svg { width: 26px; height: 26px; }
  .words { display: grid; height: 1.14em; }
  .talk-list li { grid-template-columns: minmax(0, 1fr); }
  .stage-meta { flex-direction: column; gap: 2px; left: 22px; right: 22px; }
  .ruler { left: 22px; right: 22px; }
  .fig-reaction { padding: 72px 10px 22px; }
  .reaction-view { min-height: 300px; }
  .reaction-panel { grid-template-columns: minmax(0, 1fr); grid-template-areas: "head" "plot" "readouts"; }
  .simulation-stage { padding: 72px 14px 22px; }
  .facts div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .contact-list li > span { width: 100%; }
  .copy { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal:not(.in) { opacity: 1; transform: none; }
}