/* Chronos project page */
@font-face { font-family: "IBM Plex Sans"; font-style: normal; font-weight: 400 600; font-display: swap; src: url(fonts/plex-sans-var.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Sans"; font-style: italic; font-weight: 400; font-display: swap; src: url(fonts/plex-sans-italic-400.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 400; font-display: swap; src: url(fonts/plex-mono-400.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-style: normal; font-weight: 500; font-display: swap; src: url(fonts/plex-mono-500.woff2) format("woff2"); }
@font-face { font-family: "Space Grotesk"; font-style: normal; font-weight: 500 700; font-display: swap; src: url(fonts/space-grotesk-var.woff2) format("woff2"); }
:root {
  --bg: #f4f1ea;
  --surface: #fbf9f5;
  --ink: #16181d;
  --ink-2: #444952;
  --muted: #62666f;
  --line: #e0d9cc;
  --line-2: #cfc6b6;
  --accent: #a4500a;          /* text-safe accent on light */
  --accent-soft: #f3e3cc;
  --mark: #b0570a;            /* chart: Chronos */
  --mark-other: #a09a8f;      /* chart: other methods */
  --ours-row: #f6e8d4;

  --hero-bg: #0d0f12;
  --hero-ink: #f2efe8;
  --hero-ink-2: #b4b1aa;
  --hero-muted: #8e8b85;
  --hero-line: #262a31;
  --hero-accent: #efb04e;
  --hero-card: #14171b;

  --f-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --f-body: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --wrap: 1160px;
  --gutter: 24px;
  --r: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111317;
    --surface: #1a1d22;
    --ink: #ecebe7;
    --ink-2: #bdbfc4;
    --muted: #8d919a;
    --line: #2a2e35;
    --line-2: #3a3f48;
    --accent: #eaa850;
    --accent-soft: #33281a;
    --mark: #c47f2c;
    --mark-other: #70757f;
    --ours-row: #2c2419;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #111317; --surface: #1a1d22; --ink: #ecebe7; --ink-2: #bdbfc4; --muted: #8d919a;
  --line: #2a2e35; --line-2: #3a3f48; --accent: #eaa850; --accent-soft: #33281a;
  --mark: #c47f2c; --mark-other: #70757f; --ours-row: #2c2419; color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 17px/1.65 var(--f-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: var(--accent); text-underline-offset: 3px; }
sup { font-size: .68em; line-height: 0; }
.mono { font-family: var(--f-mono); }
.muted { color: var(--muted); font-weight: 400; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--ink); color: var(--bg); padding: 8px 12px; border-radius: 6px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.hero :focus-visible, .nav :focus-visible { outline-color: var(--hero-accent); }
.m { font-family: "STIX Two Text", "Cambria Math", "STIX Two Math", "Times New Roman", serif; font-style: italic; font-size: 1.06em; margin-right: .06em; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--hero-bg) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  color: var(--hero-ink);
  overflow-x: clip;
}
.nav-inner { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); height: 56px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.wordmark { display: inline-flex; align-items: center; gap: 10px; color: var(--hero-ink); text-decoration: none; font: 700 18px/1 var(--f-display); letter-spacing: -.01em; }
.wordmark svg { width: 26px; height: 26px; fill: none; stroke: var(--hero-ink-2); stroke-width: 1.4; }
.wordmark .d { fill: var(--hero-accent); stroke: none; }
.wordmark .d2 { fill: none; stroke: var(--hero-accent); }
.nav nav { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.nav nav::-webkit-scrollbar { display: none; }
.nav nav a { color: var(--hero-ink-2); text-decoration: none; font: 500 14px/1 var(--f-body); padding: 8px 10px; border-radius: 6px; white-space: nowrap; }
.nav nav a:hover, .nav nav a.on { color: var(--hero-ink); background: #ffffff10; }
.scrub { position: relative; height: 3px; background: var(--hero-line); }
.scrub-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--hero-accent); }
.scrub-ticks i { position: absolute; top: -2px; width: 7px; height: 7px; margin-left: -3.5px; background: var(--hero-bg); border: 1.5px solid var(--hero-accent); transform: rotate(45deg); }
@media (max-width: 720px) {
  .nav nav a { padding: 8px 7px; font-size: 13px; }
  .nav nav a[href="#abstract"] { display: none; }
}
@media (max-width: 430px) {
  .wordmark span { display: none; }
}

/* ---------- hero ---------- */
.hero { background: var(--hero-bg); color: var(--hero-ink); padding: 36px 0 56px; position: relative; overflow: hidden; border-bottom: 1px solid var(--hero-line); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(90deg, #ffffff07 0 1px, transparent 1px 96px);
  mask-image: linear-gradient(to bottom, #000, transparent 70%);
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 70%);
  pointer-events: none;
}
.hero .wrap { position: relative; }
.hero-top { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; margin-bottom: 22px; }
.eyebrow { margin: 0; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--hero-ink-2); }
.eyebrow .sep { color: var(--hero-accent); margin: 0 .4em; }
.award {
  display: inline-flex; align-items: center; gap: 10px; margin: 0;
  padding: 7px 14px 7px 12px; border: 1px solid #efb04e55; border-radius: 999px;
  background: #efb04e14; color: #f6d9a8; font: 500 14px/1.35 var(--f-body);
}
.award-dot { width: 9px; height: 9px; flex: none; background: var(--hero-accent); transform: rotate(45deg); box-shadow: 0 0 0 4px #efb04e2a; }
.title { margin: 0 0 12px; font-family: var(--f-display); font-weight: 700; }
.title-word { display: block; font-size: clamp(56px, 8vw, 104px); line-height: .9; letter-spacing: -.045em; }
.title-sub { display: block; margin-top: 12px; font-size: clamp(20px, 2.3vw, 30px); line-height: 1.18; font-weight: 500; letter-spacing: -.015em; color: var(--hero-ink); }
.tagline { margin: 0 0 20px; font-size: 16px; line-height: 1.5; color: var(--hero-ink-2); }
.authors { display: flex; flex-wrap: wrap; gap: 4px 18px; margin: 0 0 10px; max-width: 980px; font-size: 16.5px; color: var(--hero-ink); }
.authors sup { color: var(--hero-accent); margin-left: 1px; }
.affils { display: flex; flex-wrap: wrap; gap: 2px 18px; margin: 0 0 6px; font-size: 14.5px; color: var(--hero-ink-2); }
.affils sup { color: var(--hero-accent); margin-right: 2px; }
.notes { margin: 0 0 20px; font-size: 12.5px; color: var(--hero-muted); }

.links { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.btn {
  --b: #ffffff26;
  display: inline-flex; align-items: center; gap: 8px; height: 42px; padding: 0 16px;
  border: 1px solid var(--b); border-radius: 8px; background: #ffffff0a;
  color: var(--hero-ink); text-decoration: none; font: 500 15px/1 var(--f-body);
  transition: background .15s, border-color .15s, transform .15s;
}
.btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.btn:hover { background: #ffffff18; border-color: #ffffff44; }
.btn .ext { color: var(--hero-muted); font-size: 13px; }
.btn-ghost { background: transparent; }
.btn.is-pending { cursor: default; color: var(--hero-muted); border-style: dashed; background: transparent; }
.btn.is-pending:hover { background: transparent; border-color: var(--b); }
.btn .soon { margin-left: 2px; padding: 3px 7px; border-radius: 4px; background: #ffffff12; color: var(--hero-ink-2); font: 500 11px/1 var(--f-mono); letter-spacing: .04em; text-transform: uppercase; }
.btn-solid { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.btn-solid:hover { background: var(--ink-2); border-color: var(--ink-2); }

/* ---------- explorer ---------- */
.explorer { border: 1px solid var(--hero-line); border-radius: 14px; background: var(--hero-card); padding: 20px; }
.ex-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.ex-label { margin: 0; font-size: 12.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--hero-ink-2); }
.ex-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.ex-tabs button {
  border: 1px solid var(--hero-line); background: transparent; color: var(--hero-ink-2);
  font: 500 13.5px/1 var(--f-body); padding: 9px 12px; border-radius: 7px; cursor: pointer;
}
.ex-tabs button:hover { color: var(--hero-ink); border-color: #ffffff33; }
.ex-tabs button[aria-pressed="true"] { color: var(--hero-bg); background: var(--hero-accent); border-color: var(--hero-accent); }
/* carousel: active clip in the middle, the other two blurred at the sides */
.ex-carousel { --cw: 64%; position: relative; margin: 0 -20px; overflow: hidden; }
.ex-slides { position: relative; height: 0; padding-bottom: calc(var(--cw) * 9 / 16); touch-action: pan-y; }
.ex-slide { position: absolute; top: 0; left: 50%; width: var(--cw); aspect-ratio: 16 / 9; border-radius: 10px; overflow: hidden; background: #000; transition: transform .55s cubic-bezier(.2,.7,.2,1); }
.ex-slide video { display: block; width: 100%; height: 100%; object-fit: cover; transition: filter .55s; }
.ex-slide[data-off="0"] { transform: translateX(-50%); z-index: 2; box-shadow: 0 18px 50px -20px #000; }
.ex-slide[data-off="1"], .ex-slide[data-off="-1"] { z-index: 1; cursor: pointer; }
.ex-slide[data-off="1"] video, .ex-slide[data-off="-1"] video { filter: blur(3px) brightness(.5) saturate(.7); }
.ex-slide[data-off="1"] { transform: translateX(calc(-50% + 90%)) scale(.84); }
.ex-slide[data-off="-1"] { transform: translateX(calc(-50% - 90%)) scale(.84); }
.ex-slide[data-off="1"]:hover video, .ex-slide[data-off="-1"]:hover video { filter: blur(2px) brightness(.68) saturate(.8); }
.ex-slide[data-off="0"] video { cursor: pointer; }
.ex-slide-label { position: absolute; top: 50%; transform: translateY(-50%); padding: 6px 10px; border-radius: 6px; background: #000000a6; color: #fff; font: 500 13px/1 var(--f-body); white-space: nowrap; pointer-events: none; opacity: 0; transition: opacity .3s; }
.ex-slide[data-off="1"] .ex-slide-label { left: 14%; opacity: 1; }
.ex-slide[data-off="-1"] .ex-slide-label { right: 14%; opacity: 1; }
.ex-play { position: absolute; right: 12px; bottom: 12px; width: 38px; height: 38px; border: 0; border-radius: 50%; background: #000000a6; color: #fff; cursor: pointer; display: grid; place-items: center; transition: background .2s, opacity .3s; }
.ex-play:hover { background: #000000d9; }
.ex-play svg { width: 14px; height: 14px; fill: currentColor; }
.ex-slide:not([data-off="0"]) .ex-play { opacity: 0; pointer-events: none; }
.explorer.is-loading .ex-slide[data-off="0"] .ex-play::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid transparent; border-top-color: var(--hero-accent); animation: spin-border 1s linear infinite; }
.ex-track, .ex-info, .ex-meta { width: var(--cw-track, calc(64% + 26px)); margin-left: auto; margin-right: auto; }
.ex-info { display: grid; grid-template-columns: auto minmax(0, 1.25fr) minmax(0, 1fr); gap: 20px; align-items: start; margin-top: 4px; }
.ex-refs { margin: 0; }
.ex-ref-imgs { display: flex; gap: 8px; }
.ex-ref-imgs img { height: 84px; width: auto; border-radius: 8px; background: #fff; object-fit: cover; }
.ex-ref-imgs.two img { width: 56px; }
.ex-ref-imgs.wide img { object-fit: contain; padding: 5px; }
.ex-k { margin: 0 0 8px; font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--hero-muted); }
.ex-prompt { margin: 0; font-size: 14.5px; line-height: 1.55; color: var(--hero-ink-2); }
.ex-prompt em { font-style: normal; color: var(--hero-ink); background: linear-gradient(transparent 62%, #efb04e40 0); }

.ex-track { position: relative; margin-top: 26px; padding-bottom: 22px; cursor: pointer; touch-action: none; }
.ex-segs { display: flex; gap: 3px; height: 30px; }
.ex-segs .s { position: relative; height: 100%; border-radius: 5px; background: #ffffff0f; border: 1px solid #ffffff1c; transition: background .2s, border-color .2s; }
.ex-segs .s.on { background: #efb04e26; border-color: #efb04e88; }
.ex-segs .s b { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); font: 500 12px/1 var(--f-mono); color: var(--hero-ink-2); white-space: nowrap; }
.ex-segs .s .a { position: absolute; left: -1px; top: 50%; width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px; background: var(--hero-accent); transform: rotate(45deg); box-shadow: 0 0 0 3px var(--hero-card); }
.ex-segs .s.on b { color: var(--hero-ink); }
.ex-head-line { position: absolute; top: -6px; bottom: 16px; left: 0; width: 2px; margin-left: -1px; background: var(--hero-ink); pointer-events: none; }
.ex-time { position: absolute; top: -20px; left: 0; font-size: 11px; color: var(--hero-ink); background: var(--hero-card); padding: 0 4px; white-space: nowrap; }
.ex-ticks { position: absolute; left: 0; right: 0; bottom: 0; height: 16px; font-size: 11.5px; color: var(--hero-muted); }
.ex-ticks span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.ex-ticks span:first-child { transform: none; }
.ex-ticks span:last-child { transform: translateX(-100%); }
.ex-caps { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.ex-cap { display: grid; grid-template-columns: 26px minmax(0, 1fr); column-gap: 8px; width: 100%; margin: 0; padding: 7px 10px; border: 0; border-radius: 6px; background: none; color: var(--hero-muted); font: inherit; font-size: 14.5px; line-height: 1.45; text-align: left; cursor: pointer; transition: background .2s, color .2s; }
.ex-cap:hover { color: var(--hero-ink-2); }
.ex-cap .k { grid-row: 1 / 3; font: 500 12.5px/1.6 var(--f-mono); color: var(--hero-accent); }
.ex-cap .t { font: 400 12px/1.6 var(--f-mono); }
.ex-cap em { font-style: normal; }
.ex-caps li.on .ex-cap { background: #ffffff0a; color: var(--hero-ink); }
.ex-caps li.on .ex-cap em { color: var(--hero-accent); }
.ex-meta { margin-top: 14px; margin-bottom: 0; font-size: 12px; line-height: 1.5; color: var(--hero-muted); }
.explorer.single .ex-capbox { display: none; }

@media (max-width: 900px) {
  .ex-carousel { --cw: 80%; }
  .explorer { --cw-track: calc(80% + 32px); }
  .ex-info { grid-template-columns: auto minmax(0, 1fr); grid-template-areas: "cap cap" "refs prompt"; }
  .ex-capbox { grid-area: cap; } .ex-refs { grid-area: refs; } .ex-promptbox { grid-area: prompt; }
}
@media (max-width: 820px) {
  /* Only the active caption shows under the timeline; the slider's value text announces it. */
  .ex-caps li:not(.on) { display: none; }
  .ex-capbox .ex-k { display: none; }
}
@media (max-width: 560px) {
  .hero { padding: 28px 0 40px; }
  .explorer { padding: 14px; margin: 0 -4px; }
  .ex-carousel { --cw: 84%; margin: 0 -14px; }
  .explorer { --cw-track: calc(84% + 24px); }
  .ex-info { grid-template-columns: 1fr; grid-template-areas: "cap" "refs" "prompt"; gap: 14px; }
  .ex-segs .s b { display: none; }
  .ex-ref-imgs img { height: 72px; }
  .ex-ref-imgs.two img { width: 48px; }
}

/* ---------- sections ---------- */
main { display: block; }
.sec { padding: 96px 0 0; }
.sec-last { padding-bottom: 88px; }
.kicker { display: flex; align-items: center; gap: 14px; margin: 0 0 28px; font: 600 15px/1 var(--f-body); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.kicker .tc { font-size: 13px; font-weight: 500; color: var(--accent); padding: 5px 8px; border: 1px solid var(--line-2); border-radius: 5px; letter-spacing: 0; }
.kicker::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-2), transparent); }
.sec p { margin: 0 0 16px; color: var(--ink-2); }
.sec p b, .sec li b { color: var(--ink); font-weight: 600; }
.h-display { margin: 0 0 16px; font: 600 clamp(26px, 3.2vw, 38px)/1.12 var(--f-display); letter-spacing: -.025em; color: var(--ink); }
.h-block { margin: 0; font: 600 21px/1.3 var(--f-display); letter-spacing: -.01em; color: var(--ink); }
.sub { margin: 0; color: var(--muted); }
.block-head .sub { flex-basis: 100%; max-width: 70ch; }
.sec-sub { margin: -10px 0 24px !important; max-width: 72ch; color: var(--muted) !important; }
.abs p { margin: 0 !important; font-size: 17.5px; line-height: 1.75; text-align: justify; }
.note, .findings { max-width: 80ch; }
.note { font-size: 14.5px; color: var(--muted) !important; margin-top: 14px !important; }
.aside { margin-top: 28px !important; padding: 14px 18px; border-left: 3px solid var(--mark); background: var(--surface); border-radius: 0 8px 8px 0; font-size: 15.5px; }

.fig { margin: 0; }
.fig .zoom { display: block; width: 100%; padding: 14px; border: 1px solid var(--line); border-radius: var(--r); background: #fff; cursor: zoom-in; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .fig .zoom { background: #ededed; border-color: transparent; }
  :root:not([data-theme="light"]) .fig .zoom img { filter: brightness(.93); }
}
:root[data-theme="dark"] .fig .zoom { background: #ededed; border-color: transparent; }
:root[data-theme="dark"] .fig .zoom img { filter: brightness(.93); }
.fig figcaption { margin-top: 12px; font-size: 14.5px; line-height: 1.55; color: var(--muted); max-width: 900px; }
.fig figcaption b { color: var(--ink); font-weight: 600; }

/* method */
.split { display: grid; grid-template-columns: 1fr 1.25fr; gap: 40px; align-items: start; margin-bottom: 36px; }
.tt { display: grid; gap: 10px; margin-top: 18px; }
.tt-row { display: grid; grid-template-columns: 54px 150px 1fr; gap: 14px; align-items: center; font-size: 15px; color: var(--ink-2); }
.tt-k { font-size: 13.5px; font-weight: 500; color: var(--accent); }
.tt-bar { display: flex; gap: 3px; height: 14px; }
.tt-bar i { position: relative; display: block; height: 100%; border-radius: 3px; background: var(--accent-soft); border: 1px solid var(--line-2); }
.tt-bar i::before { content: ""; position: absolute; left: -4px; top: 50%; width: 7px; height: 7px; margin-top: -3.5px; background: var(--mark); transform: rotate(45deg); }
.modules { list-style: none; padding: 0; margin: 40px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.mod { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px 22px 20px; display: flex; flex-direction: column; }
.mod-n { margin: 0 0 8px !important; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent) !important; }
.mod h3 { margin: 0 0 10px; font: 600 20px/1.25 var(--f-display); letter-spacing: -.01em; }
.mod p, .mod li { font-size: 15px; line-height: 1.6; }
.mod ul { margin: 4px 0 0; padding-left: 18px; color: var(--ink-2); }
.mod li { margin-bottom: 8px; }
.risk { display: grid; gap: 6px; margin-top: auto; padding-top: 10px; }
.risk .r { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--ink-2); padding: 6px 10px; border-radius: 6px; border: 1px solid var(--line); }
.risk .r b { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 4px; font-size: 12px; color: var(--ink); }
.risk .r1 b { background: color-mix(in srgb, var(--mark) 14%, transparent); }
.risk .r2 b { background: color-mix(in srgb, var(--mark) 32%, transparent); }
.risk .r3 b { background: color-mix(in srgb, var(--mark) 58%, transparent); }
.cascade { display: flex; align-items: center; gap: 6px; margin-top: auto; padding-top: 12px; font: 500 14px/1 var(--f-mono); color: var(--ink); }
.cascade span { padding: 9px 11px; border: 1px solid var(--line-2); border-radius: 6px; background: var(--bg); }
.cascade i { flex: 1; height: 1px; background: var(--line-2); position: relative; }
.cascade i::after { content: ""; position: absolute; right: 0; top: -3px; border-left: 6px solid var(--line-2); border-top: 3.5px solid transparent; border-bottom: 3.5px solid transparent; }
.eq { margin: 4px 0 10px; padding: 12px 14px; border-radius: 8px; background: var(--bg); border: 1px solid var(--line); font-family: "Times New Roman", Times, serif; font-size: 17px; color: var(--ink); }
.eq p { margin: 0 !important; color: var(--ink) !important; line-height: 1.8; }

/* results */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-bottom: 56px; }
.kpi { background: var(--surface); padding: 20px 20px 18px; }
.kpi-k { margin: 0 0 10px !important; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted) !important; }
.kpi-v { margin: 0 0 6px !important; font: 600 48px/1 var(--f-display); letter-spacing: -.03em; color: var(--ink) !important; font-variant-numeric: tabular-nums; }
.kpi-d { margin: 0 !important; font-size: 14px; line-height: 1.45; color: var(--ink-2); }
.block { margin-top: 56px; }
.block:first-of-type { margin-top: 0; }
.block-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.block > .h-block { margin-bottom: 18px; }
.seg { display: inline-flex; padding: 3px; gap: 2px; border-radius: 9px; background: var(--surface); border: 1px solid var(--line); }
.seg button { border: 0; background: transparent; color: var(--muted); font: 500 14px/1 var(--f-body); padding: 9px 14px; border-radius: 6px; cursor: pointer; }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }

.lb { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; font-variant-numeric: tabular-nums; }
.tbl caption { caption-side: top; text-align: left; padding: 14px 16px 6px; font: 600 14px/1.3 var(--f-body); color: var(--ink); }
.tbl th, .tbl td { padding: 9px 12px; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--line); }
.tbl thead th { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.tbl thead tr.grp th { font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); border-bottom: 1px solid var(--line-2); text-align: center; padding-bottom: 6px; }
.tbl thead tr.grp th:first-child { text-align: left; }
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl .num { text-align: right; }
.tbl td.best { font-weight: 700; color: var(--ink); }
.tbl td.second { font-style: italic; color: var(--ink); }
.tbl tr.ours td { background: var(--ours-row); color: var(--ink); }
.tbl tr.ours td:first-child { font-weight: 600; }
.tbl td.dash { color: var(--line-2); }
.tbl th:first-child, .tbl td:first-child { position: sticky; left: 0; z-index: 1; background: var(--surface); }
.tbl tr.ours td:first-child { background: var(--ours-row); }

.bars { display: grid; gap: 4px; margin-bottom: 20px; padding: 18px 18px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); position: relative; }
.bars-title { margin: 0 0 8px !important; font-size: 13px; color: var(--muted) !important; }
.bar { display: grid; grid-template-columns: 150px 1fr 64px; gap: 12px; align-items: center; font-size: 14px; padding: 3px 0; border-radius: 4px; }
.bar .lbl { color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar.ours .lbl { color: var(--ink); font-weight: 600; }
.bar .trk { height: 18px; position: relative; }
.bar .fill { position: absolute; inset: 0 auto 0 0; background: var(--mark-other); border-radius: 0 4px 4px 0; transition: width .5s cubic-bezier(.2,.7,.2,1); }
.bar.ours .fill { background: var(--mark); }
.bar .val { text-align: right; font: 500 13.5px/1 var(--f-mono); color: var(--ink-2); }
.bar.ours .val { color: var(--ink); font-weight: 600; }
.bar:hover .lbl, .bar:focus .lbl { color: var(--ink); }
.bar:focus { background: var(--bg); }
.bars-axis { display: grid; grid-template-columns: 150px 1fr 64px; gap: 12px; margin-top: 4px; font: 400 11.5px/1 var(--f-mono); color: var(--muted); }
.bars-axis .ax { position: relative; height: 12px; border-top: 1px solid var(--line); }
.bars-axis .ax span { position: absolute; top: 4px; transform: translateX(-50%); }
.bars-axis .ax span:first-child { transform: none; }
.tip { position: absolute; z-index: 5; pointer-events: none; padding: 8px 10px; border-radius: 7px; background: var(--ink); color: var(--bg); font-size: 13px; line-height: 1.4; white-space: nowrap; box-shadow: 0 6px 20px #0003; opacity: 0; transition: opacity .12s; }
.tip.show { opacity: 1; }
.tip b { font-weight: 600; }
.findings { margin: 18px 0 0; padding-left: 20px; color: var(--ink-2); }
.findings li { margin-bottom: 6px; }
/* qualitative cases */
.cases { display: grid; gap: 28px; }
.case { border: 1px solid var(--line); border-radius: 14px; background: var(--surface); padding: 20px; }
.case-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin-bottom: 14px; }
.case-tag { margin: 0 !important; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent) !important; }
.case-title { margin: 0; font: 600 18px/1.3 var(--f-display); letter-spacing: -.01em; color: var(--ink); }
.case-input { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: start; margin-bottom: 14px; }
.case-note { margin: 0 0 16px !important; padding: 10px 14px; border-left: 3px solid var(--mark); border-radius: 0 8px 8px 0; background: var(--bg); font-size: 14.5px; line-height: 1.55; color: var(--ink-2) !important; }
.case-note b { color: var(--ink); }
.case-jump { margin: 0; padding: 0; border: 0; background: none; font: 600 14.5px/1.55 var(--f-body); color: var(--accent); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.case.single .case-caps { display: none; }
.case-more { display: none; margin-top: 4px; padding: 0; border: 0; background: none; color: var(--accent); font: 500 13px/1.4 var(--f-body); cursor: pointer; }
.case-k { margin: 14px 0 10px 46px !important; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted) !important; }
.case-refs { display: flex; gap: 8px; }
.case-refs img { height: 104px; width: auto; border-radius: 8px; }
.case-prompt { margin: 0 !important; font-size: 14px; line-height: 1.55; color: var(--muted) !important; }
.case-prompt .mono { display: block; margin-bottom: 4px; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.case-prompt em { font-style: normal; color: var(--ink); background: linear-gradient(transparent 62%, color-mix(in srgb, var(--accent) 22%, transparent) 0); }
.case-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 10px; }
.cv { position: relative; margin: 0; border-radius: 8px; overflow: hidden; background: #111; aspect-ratio: 16 / 9; }
.cv-ours { grid-row: span 2; aspect-ratio: auto; box-shadow: 0 0 0 2px var(--mark); }
.cv video { display: block; width: 100%; height: 100%; object-fit: cover; cursor: pointer; }
.cv figcaption { position: absolute; left: 8px; top: 8px; padding: 4px 7px; border-radius: 5px; background: #000000a6; color: #fff; font: 500 12px/1 var(--f-body); pointer-events: none; }
.cv-ours figcaption { background: #efb04e; color: #16181d; font-weight: 600; }
.case-bar { display: flex; align-items: flex-start; gap: 12px; }
.case-play { flex: none; width: 34px; height: 34px; margin-top: -5px; border: 1px solid var(--line-2); border-radius: 50%; background: var(--bg); color: var(--ink); display: grid; place-items: center; cursor: pointer; }
.case-play:hover { border-color: var(--ink-2); }
.case-play svg { width: 12px; height: 12px; fill: currentColor; }
.case-play { position: relative; }
.case.is-loading .case-play::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid transparent; border-top-color: var(--accent); animation: spin-border 1s linear infinite; }
@media (prefers-reduced-motion: reduce) { .case.is-loading .case-play::after { border: 2px dashed var(--accent); } }
@keyframes spin-border { to { transform: rotate(360deg); } }
.ct { position: relative; flex: 1; padding-bottom: 18px; cursor: pointer; touch-action: none; }
.ct-segs { display: flex; gap: 3px; height: 24px; }
.ct-segs .s { position: relative; border-radius: 5px; background: color-mix(in srgb, var(--ink) 5%, transparent); border: 1px solid var(--line); transition: background .2s, border-color .2s; }
.ct-segs .s.on { background: color-mix(in srgb, var(--accent) 14%, transparent); border-color: color-mix(in srgb, var(--accent) 55%, transparent); }
.ct-segs .s b { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); font: 500 11.5px/1 var(--f-mono); color: var(--muted); white-space: nowrap; }
.ct-segs .s.on b { color: var(--ink); }
.ct-segs .s .a { position: absolute; left: -1px; top: 50%; width: 9px; height: 9px; margin: -4.5px 0 0 -4.5px; background: var(--accent); transform: rotate(45deg); box-shadow: 0 0 0 3px var(--surface); }
.ct-head { position: absolute; top: -4px; bottom: 14px; left: 0; width: 2px; margin-left: -1px; background: var(--ink); pointer-events: none; }
.ct-ticks { position: absolute; left: 0; right: 0; bottom: 0; height: 14px; font-size: 11px; color: var(--muted); }
.ct-ticks span { position: absolute; transform: translateX(-50%); white-space: nowrap; }
.ct-ticks span:first-child { transform: none; }
.ct-ticks span:last-child { transform: translateX(-100%); }
.case-caps { display: flex; gap: 3px; margin: 6px 0 0 46px; padding: 0; list-style: none; }
.case-caps li { display: flex; min-width: 0; }
.case-cap { width: 100%; margin: 0; padding: 6px 8px; border: 0; border-radius: 6px; background: none; font: inherit; font-size: 13.5px; line-height: 1.45; color: var(--muted); text-align: left; cursor: pointer; transition: background .2s, color .2s; }
.case-cap .k { display: block; margin-bottom: 2px; font-size: 11.5px; color: var(--accent); }
.case-cap em { font-style: normal; }
.case-caps li.on .case-cap { background: color-mix(in srgb, var(--ink) 4%, transparent); color: var(--ink); }
.case-caps li.on .case-cap em { color: var(--accent); }
@media (max-width: 900px) {
  .case-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .cv-ours { grid-column: 1 / -1; grid-row: auto; aspect-ratio: 16 / 9; }
}
@media (max-width: 720px) {
  .case { padding: 14px; }
  .case-input { grid-template-columns: 64px 1fr; gap: 12px; }
  .case-refs img { width: 64px; height: auto; }
  .case-prompt:not(.open) .pt-text { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .case-more { display: inline-block; }
  .case-caps { flex-direction: column; margin-left: 0; }
  .case-caps li { flex: none !important; }
  .case-k { margin-left: 0 !important; }
  .ct-segs .s b { display: none; }
}

/* bibtex */
.bib { position: relative; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); }
.bib pre { margin: 0; padding: 18px 84px 18px 20px; white-space: pre-wrap; overflow-wrap: anywhere; overflow-x: auto; font: 400 13.5px/1.6 var(--f-mono); color: var(--ink); }
.bib pre:has(code:empty) { display: none; }
.bib-empty { margin: 0 !important; padding: 26px 20px; text-align: center; font-size: 13.5px; color: var(--muted) !important; }
.bib.has-bib .bib-empty { display: none; }
.copy { position: absolute; top: 10px; right: 10px; border: 1px solid var(--line-2); background: var(--bg); color: var(--ink-2); font: 500 12.5px/1 var(--f-body); padding: 7px 10px; border-radius: 6px; cursor: pointer; }
.copy:hover { color: var(--ink); }

/* footer */
.foot { border-top: 1px solid var(--line); padding: 26px 0 34px; font-size: 13.5px; color: var(--muted); }
.foot .wrap { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; }
.foot p { margin: 0; }
.foot a { color: var(--muted); text-decoration: none; font-size: 12.5px; }
.foot a:hover { color: var(--ink); }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 200; background: #0b0c0ef2; display: grid; place-items: center; padding: 48px 16px 16px; overflow: auto; }
.lightbox[hidden] { display: none; }
.lightbox img { max-width: min(1800px, 100%); max-height: calc(100vh - 72px); width: auto; border-radius: 6px; background: #fff; }
.lb-close { position: fixed; top: 10px; right: 14px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: #ffffff18; color: #fff; font-size: 26px; line-height: 1; cursor: pointer; }

@media (max-width: 960px) {
  .modules { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 8px; }
}
@media (max-width: 640px) {
  :root { --gutter: 16px; }
  body { font-size: 16px; }
  .sec { padding-top: 64px; }
  .award { border-radius: 14px; }
  .abs p { text-align: left; font-size: 16.5px; }
  .lb { grid-template-columns: 1fr; }
  .kpi-v { font-size: 38px; }
  .kpi { padding: 16px; }
  .fig .zoom { padding: 6px; }
  .tt-row { grid-template-columns: 48px 1fr; }
  .tt-row .tt-v { grid-column: 1 / -1; font-size: 14px; margin-top: -4px; }
  .bar, .bars-axis { grid-template-columns: 96px 1fr 52px; gap: 8px; }
  .bar { font-size: 13px; }
  .bars { padding: 14px 12px 12px; }
  .seg button { padding: 8px 10px; font-size: 13px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}