/* =====================================================================
   Evidence chapter: /evidence/ hub (also @imported by cluster.css for
   the shared ev-* pieces: group tokens, fallback image, pie, mini timeline,
   mini stack).
   ===================================================================== */

:root {
  /* four groups = four stripes; chart tints validated against #191919 (all pairs, CVD + normal vision) */
  --g-drive: #f06a12;
  --g-host: #d91656;
  --g-proof: #c47ad0;
  --g-rate: #ffb200;
  /* the same groups as text on dark (small type needs the lighter *-ink tints) */
  --gt-drive: var(--orange-ink);
  --gt-host: var(--crimson-ink);
  --gt-proof: var(--purple-ink);
  --gt-rate: var(--amber);
  /* text on a group-colour fill (never white on amber; crimson needs white) */
  --g-drive-on: var(--on-orange);
  --g-host-on: #ffffff;
  --g-proof-on: #121212;
  --g-rate-on: var(--on-amber);
}

/* illustrative-image tag: shared .illus-tag, adjusted where a corner is covered or the image is a thumbnail */
.ev-hero__media .illus-tag { left: auto; right: var(--gutter); bottom: calc(clamp(60px, 11vw, 200px) + 16px); }
@media (max-width: 900px) { .ev-hero__media .illus-tag { bottom: 64px; } }
@media (max-width: 640px) {
  .ev-card__media .illus-tag { left: 6px; right: 6px; bottom: 6px; width: auto; max-width: max-content; white-space: normal; font-size: 9.5px; line-height: 1.25; padding: 4px 5px; letter-spacing: 0.02em; }
}

/* ---------- shared atoms ---------- */
.ev-sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; background: var(--c); flex: none; }
.ev-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--c); margin-right: 8px; vertical-align: 1px; }
.ev-pie { display: inline-block; width: 15px; height: 15px; border-radius: 50%; background: conic-gradient(var(--c) calc(var(--p) * 360deg), transparent 0); box-shadow: inset 0 0 0 1.5px var(--c); vertical-align: -3px; margin-right: 8px; flex: none; }

.ev-fallback { position: relative; width: 100%; height: 100%; min-height: 100%; aspect-ratio: 4 / 3; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(60% 75% at 72% 38%, rgba(255, 178, 0, 0.95), rgba(235, 91, 0, 0.8) 26%, rgba(217, 22, 86, 0.62) 48%, rgba(100, 13, 95, 0.75) 70%, #120912 100%); }
.ev-fallback::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, rgba(0, 0, 0, 0.16) 0 1px, transparent 1px 7px); mix-blend-mode: multiply; z-index: -1; }
.ev-fallback--drive { background: radial-gradient(60% 75% at 30% 70%, rgba(255, 178, 0, 0.95), rgba(235, 91, 0, 0.85) 24%, rgba(217, 22, 86, 0.6) 50%, rgba(100, 13, 95, 0.75) 72%, #120912 100%); }
.ev-fallback--host { background: radial-gradient(70% 70% at 50% 80%, rgba(255, 178, 0, 0.9), rgba(235, 91, 0, 0.8) 22%, rgba(217, 22, 86, 0.75) 46%, rgba(100, 13, 95, 0.8) 70%, #120912 100%); }
.ev-fallback--proof { background: radial-gradient(55% 80% at 62% 30%, rgba(255, 178, 0, 0.85), rgba(217, 22, 86, 0.7) 30%, rgba(100, 13, 95, 0.85) 60%, #120912 100%); }
.ev-fallback__num { position: absolute; right: 6%; bottom: -0.14em; font: 400 clamp(110px, 13vw, 190px)/0.8 var(--font-display); letter-spacing: var(--track-display); color: rgba(255, 255, 255, 0.92); mix-blend-mode: overlay; }
.ev-fallback__lab { position: absolute; left: 14px; top: 14px; font: 500 10.5px/1 var(--font-mono); letter-spacing: 0.04em; color: rgba(255, 255, 255, 0.78); }

/* section heads */
.ev-sechead { margin-bottom: clamp(40px, 5vw, 72px); }
.ev-sechead .lead { margin-top: clamp(20px, 2.4vw, 32px); }
.ev-sechead--split { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 24px clamp(32px, 5vw, 96px); align-items: end; }
.ev-sechead--split .lead { margin-top: 0; }
.ev-sechead__aside .chips { margin-top: 20px; }
@media (max-width: 900px) { .ev-sechead--split { grid-template-columns: 1fr; align-items: start; } }

/* =====================================================================
   HERO
   ===================================================================== */
.ev-hero { position: relative; padding-top: clamp(24px, 3vw, 44px); }
.ev-hero__top { position: relative; z-index: 2; }
.ev-hero__title { margin-top: clamp(8px, 1.5vw, 20px); text-shadow: 0 2px 40px rgba(0, 0, 0, 0.35); }
.ev-hero__media { position: relative; z-index: 1; margin-top: calc(var(--fs-display-0) * -0.42); height: clamp(320px, 62vh, 700px); }
.ev-hero__media img { object-position: center 62%; }
.ev-hero__media::before,
.ev-hero__media::after { content: ""; position: absolute; left: 0; right: 0; pointer-events: none; z-index: 1; }
.ev-hero__media::before { top: 0; height: 46%; background: linear-gradient(180deg, var(--bg) 0%, rgba(25, 25, 25, 0.82) 30%, rgba(25, 25, 25, 0) 100%); }
.ev-hero__media::after { bottom: 0; height: 55%; background: linear-gradient(0deg, var(--bg) 0%, rgba(25, 25, 25, 0.7) 45%, rgba(25, 25, 25, 0) 100%); }
.ev-hero--noimg .ev-hero__body { margin-top: 48px; }
.ev-hero__body { position: relative; z-index: 2; margin-top: clamp(-200px, -11vw, -60px); padding-bottom: clamp(8px, 2vw, 24px); }
.ev-hero__body::before { content: ""; position: absolute; z-index: -1; left: 0; top: -60px; width: min(760px, 100%); height: 300px; background: radial-gradient(80% 70% at 30% 50%, rgba(18, 18, 18, 0.78), rgba(18, 18, 18, 0) 75%); pointer-events: none; }
.ev-hero__lead { max-width: 40ch; color: var(--ink-2); }
.ev-hero__lead strong { display: block; margin-top: 0.5em; color: var(--ink); }

.ev-ledger { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.55fr) minmax(0, 1fr) minmax(0, 0.9fr) minmax(0, 0.7fr); gap: 0 clamp(14px, 2.2vw, 36px); margin-top: clamp(36px, 4vw, 56px); }
.ev-ledger__item { display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: 10px; padding-top: 14px; border-top: 3px solid var(--c); }
.ev-ledger__item dd { margin: 0; font: 400 clamp(40px, 5.6vw, 92px)/0.9 var(--font-display); letter-spacing: var(--track-display); white-space: nowrap; }
.ev-ledger__item:nth-child(2) dd { font-size: clamp(30px, 3.9vw, 64px); line-height: 1.12; letter-spacing: -0.045em; }
.ev-ledger__dash { color: var(--ink-3); margin: 0 0.04em; }
.ev-ledger__item dt { font: 400 12.5px/1.35 var(--font-mono); color: var(--ink-2); }

.ev-onpage { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-top: clamp(32px, 4vw, 48px); }
.ev-onpage a { font: 400 12.5px/1 var(--font-mono); color: var(--ink-2); text-decoration: none; padding: 8px 0; }
.ev-onpage a:hover { color: var(--amber); }

@media (max-width: 900px) {
  .ev-ledger { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 16px; }
  .ev-hero__body::before { top: -40px; height: 260px; }
  .ev-ledger__item:nth-child(2) { grid-column: span 2; order: -1; }
  .ev-ledger__item:nth-child(2) dd { font-size: clamp(40px, 11vw, 64px); }
  .ev-hero__media { height: clamp(260px, 52vh, 520px); }
  .ev-hero__body { margin-top: -48px; }
}

/* =====================================================================
   01 TIMELINE
   ===================================================================== */
.ev-hint-coarse { display: none; }
@media (hover: none) { .ev-hint-fine { display: none; } .ev-hint-coarse { display: inline; } }

.ev-tl { position: relative; }
.ev-tl__legend { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-start; gap: 16px 40px; margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.ev-tl__groups, .ev-tl__keys { display: flex; flex-wrap: wrap; gap: 10px 26px; list-style: none; margin: 0; padding: 0; }
.ev-tl__groups li, .ev-tl__keys li { display: flex; align-items: center; gap: 9px; font: 400 12.5px/1.3 var(--font-mono); color: var(--ink-2); cursor: default; transition: opacity 0.2s; }
.ev-tl__groups b { font-weight: 500; color: var(--ink); text-transform: uppercase; }
.ev-tl__gname { color: var(--ink-3); }
.ev-key { display: inline-block; width: 10px; height: 10px; border-radius: 2px; border: 1.5px solid var(--ink-2); }
.ev-key--doi { background: var(--ink-2); }
.ev-key--span { width: 26px; background: var(--ink-2); }

.ev-tl__plot { --head: 236px; --step: 13px; position: relative; }

/* milestones (desktop: positioned row above the lanes) */
.ev-tl__miles { --rows: 2; position: relative; height: calc(var(--rows) * 44px + 8px); margin: 0 0 0 var(--head); padding: 0; list-style: none; }
.ev-tl__mile { position: absolute; z-index: calc(2 + var(--row)); left: calc(var(--x) * 100%); top: calc(var(--row) * 44px); width: max-content; transform: translateX(var(--dx, 0px)); }
.ev-tl__mile a { position: relative; display: block; padding: 0 10px 2px 0; background: var(--bg); font: 400 12px/1.35 var(--font-mono); color: var(--ink); text-decoration: none; white-space: nowrap; }
.ev-tl__mile a::after { content: ""; position: absolute; left: calc(-1 * var(--dx, 0px)); top: 100%; width: 1px; height: calc((var(--rows) - var(--row)) * 44px - 28px); background: var(--line-2); }
.ev-tl__mile a:hover, .ev-tl__mile a:focus-visible { color: var(--amber); }
.ev-tl__mile-y { display: inline-block; padding: 1px 5px; margin-right: 6px; border-radius: 2px; background: var(--c); color: var(--c-on, #121212); font-weight: 600; }
.ev-tl__mile-sub { display: block; color: var(--ink-3); font-size: 11.5px; margin-top: 2px; }
.ev-tl__mile.is-right { transform: translateX(-100%); text-align: right; }
.ev-tl__mile.is-right a { padding: 0 0 2px 10px; }
.ev-tl__mile.is-right a::after { left: auto; right: 0; }
/* no room for a clean row layout (narrow desktops): the milestones become a compact list */
.ev-tl__miles.is-list { height: auto; margin-bottom: 22px; display: flex; flex-wrap: wrap; gap: 10px 28px; }
.ev-tl__miles.is-list .ev-tl__mile { position: static; transform: none; }
.ev-tl__miles.is-list .ev-tl__mile a { padding: 0; background: none; }
.ev-tl__miles.is-list .ev-tl__mile a::after { display: none; }

.ev-tl__body { position: relative; display: flex; flex-direction: column; }
.ev-tl__grid { position: absolute; left: var(--head); right: 0; top: 0; bottom: 30px; pointer-events: none; }
.ev-tl__grid span { position: absolute; top: 0; bottom: 0; left: calc(var(--x) * 100%); width: 1px; background: var(--line); }
.ev-tl__grid span.is-nd { background: repeating-linear-gradient(180deg, var(--line-2) 0 3px, transparent 3px 7px); }
.ev-tl__axis { order: 99; position: relative; height: 30px; margin-left: var(--head); border-top: 1px solid var(--line-2); }
.ev-tl__axis span { position: absolute; top: 9px; left: calc(var(--x) * 100%); transform: translateX(-50%); font: 400 11.5px/1 var(--font-mono); color: var(--ink-3); font-variant-numeric: tabular-nums; }
.ev-tl__axis span.is-nd { color: var(--ink-3); font-style: italic; }

.ev-tl__lane { position: relative; display: grid; grid-template-columns: var(--head) minmax(0, 1fr); border-top: 1px solid var(--line); transition: opacity 0.25s; }
.ev-tl__lane.is-gstart { border-top-color: var(--line-2); }
.ev-tl__lane.is-gstart::before { content: ""; position: absolute; left: 0; top: -1px; width: 28px; height: 2px; background: var(--c); }
.ev-tl__head { display: flex; align-items: center; gap: 12px; padding-right: 16px; min-height: 100%; text-decoration: none; font: 400 12.5px/1.25 var(--font-mono); color: var(--ink-2); transition: color 0.2s; }
.ev-tl__head:hover { color: var(--ink); }
.ev-tl__num { display: inline-grid; place-items: center; width: 28px; height: 20px; border-radius: 3px; background: color-mix(in srgb, var(--c) 18%, transparent); color: var(--ink); font-weight: 500; flex: none; }
.ev-tl__name { flex: 1; min-width: 0; }
.ev-tl__count { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.ev-tl__track { position: relative; height: calc(var(--rows) * var(--step) + 16px); }
.ev-tl__mark { position: absolute; z-index: 1; left: calc(var(--x) * 100% - 5px); top: calc(8px + var(--l) * var(--step)); width: calc(var(--w) * 100% + 10px); height: 10px; border-radius: 2px; border: 1.5px solid var(--c); background: var(--bg); transition: transform 0.15s var(--ease), opacity 0.2s, box-shadow 0.15s; }
.ev-tl__mark.is-doi { background: var(--c); }
.ev-tl__mark.is-span { background: color-mix(in srgb, var(--c) 45%, var(--bg)); }
.ev-tl__mark.is-span.is-doi { background: linear-gradient(90deg, var(--c) 0 8px, color-mix(in srgb, var(--c) 45%, var(--bg)) 8px calc(100% - 8px), var(--c) calc(100% - 8px)); }
.ev-tl__mark::before { content: ""; position: absolute; inset: -6px -6px; }
.ev-tl__mark:hover, .ev-tl__mark:focus-visible, .ev-tl__mark.is-active { z-index: 3; box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--ink); outline: none; }
.ev-tl.is-hovering .ev-tl__mark:not(.is-active) { opacity: 0.38; }
.ev-tl__mark.is-mile { box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--c); }
.ev-tl[data-group-focus] .ev-tl__lane { opacity: 0.25; }
.ev-tl[data-group-focus="drive"] .ev-tl__lane[data-group="drive"],
.ev-tl[data-group-focus="host"] .ev-tl__lane[data-group="host"],
.ev-tl[data-group-focus="proof"] .ev-tl__lane[data-group="proof"],
.ev-tl[data-group-focus="rate"] .ev-tl__lane[data-group="rate"] { opacity: 1; }
.ev-tl[data-group-focus] .ev-tl__groups li:not(.is-on) { opacity: 0.4; }

/* readout card */
.ev-tl__readout { position: absolute; z-index: 20; width: min(360px, calc(100vw - 32px)); padding: 16px 18px 16px; background: var(--paper-2); color: var(--paper-ink); border-radius: 4px; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.5); pointer-events: none; }
.ev-tl__readout[hidden] { display: none; }
.ev-tl__readout p { margin: 0; }
.ev-tl__ro-k { display: flex; align-items: center; gap: 8px; font: 500 11.5px/1.3 var(--font-mono); text-transform: uppercase; color: var(--paper-ink-2); letter-spacing: 0.02em; }
.ev-tl__ro-k .ev-sw { background: var(--c, var(--amber)); }
.ev-tl__ro-y { margin-left: auto; font-weight: 600; color: var(--paper-ink); }
.ev-tl__ro-who { margin-top: 10px !important; font: 400 21px/1.12 var(--font-display); letter-spacing: -0.025em; color: var(--purple); }
.ev-tl__ro-aff { margin-top: 4px !important; font: 400 12px/1.4 var(--font-mono); color: var(--paper-ink-2); }
.ev-tl__ro-aff:empty { display: none; }
.ev-tl__ro-ven { margin-top: 8px !important; font: 500 12.5px/1.4 var(--font-mono); color: var(--paper-ink); }
.ev-tl__ro-doi { display: inline-block; font-size: 10.5px; padding: 2px 5px; border: 1px solid var(--paper-line); border-radius: 3px; color: var(--paper-ink-2); vertical-align: 1px; white-space: nowrap; }
.ev-tl__ro-out { margin-top: 10px !important; padding-top: 10px; border-top: 1px solid var(--paper-line); font: 400 14px/1.5 var(--font-text); color: var(--paper-ink-2); }
.ev-tl__ro-go { display: none; margin-top: 12px; font: 500 13px/1 var(--font-mono); color: var(--purple); }
.ev-tl__close { display: none; position: absolute; right: 8px; top: 6px; width: 40px; height: 40px; font: 400 26px/1 var(--font-display); color: var(--paper-ink-2); }
.ev-tl__readout.is-sheet { position: fixed; left: 12px; right: 12px; bottom: 12px; top: auto !important; width: auto; max-width: 520px; margin-inline: auto; pointer-events: auto; padding-bottom: 18px; }
.ev-tl__readout.is-sheet .ev-tl__close, .ev-tl__readout.is-sheet .ev-tl__ro-go { display: inline-block; }
.ev-tl__readout.is-sheet .ev-tl__ro-k { padding-right: 36px; }

/* venues */
.ev-venues { margin-top: clamp(48px, 6vw, 80px); }
.ev-venues__list { display: flex; flex-wrap: wrap; gap: 14px 30px; list-style: none; margin: 0; padding: 0; align-items: baseline; }
.ev-venues__list li { display: flex; align-items: baseline; gap: 10px; }
.ev-venues__n { font: 400 clamp(30px, 3vw, 46px)/1 var(--font-display); letter-spacing: -0.05em; color: var(--ink); font-variant-numeric: proportional-nums; }
.ev-venues__v { font: 400 clamp(17px, 1.5vw, 22px)/1.1 var(--font-display); letter-spacing: -0.02em; color: var(--ink-2); }
.ev-venues__list li.is-top .ev-venues__n { color: var(--amber); }
.ev-venues__list li.is-top .ev-venues__v { color: var(--ink); font-size: clamp(22px, 2.2vw, 34px); letter-spacing: -0.035em; }
.ev-venues__list li.is-rest .ev-venues__n, .ev-venues__list li.is-rest .ev-venues__v { color: var(--ink-3); }
.ev-venues__note { margin-top: 18px; max-width: 80ch; }

/* list fallback */
.ev-tl-list { margin-top: 36px; border-top: 1px solid var(--line); }
.ev-tl-list summary { display: flex; align-items: center; gap: 12px; padding: 18px 0; cursor: pointer; list-style: none; font: 400 13px/1.3 var(--font-mono); color: var(--ink-2); }
.ev-tl-list summary::-webkit-details-marker { display: none; }
.ev-tl-list summary:hover { color: var(--ink); }
.ev-tl-list__plus { position: relative; width: 14px; height: 14px; flex: none; }
.ev-tl-list__plus::before, .ev-tl-list__plus::after { content: ""; position: absolute; left: 0; right: 0; top: 6px; height: 2px; background: var(--amber); transition: transform 0.25s var(--ease); }
.ev-tl-list__plus::after { transform: rotate(90deg); }
.ev-tl-list[open] .ev-tl-list__plus::after { transform: rotate(0deg); }
.ev-tl-list .table-wrap { margin-top: 0; max-height: 70vh; overflow: auto; }
.ev-tl-list td:first-child a { color: var(--ink); font-variant-numeric: tabular-nums; }

/* timeline, phone: vertical, years run down the page */
@media (max-width: 760px) {
  .ev-tl__plot { --head: 0px; --vstep: 15px; --lane-step: 9px; }
  .ev-tl__legend { gap: 14px; }
  .ev-tl__groups { flex-direction: column; gap: 10px; }
  .ev-tl__keys { gap: 8px 18px; }
  .ev-tl__miles { height: auto; margin: 0 0 22px; display: grid; gap: 10px; }
  .ev-tl__mile, .ev-tl__mile.is-right { position: static; transform: none; text-align: left; width: auto; max-width: none; }
  .ev-tl__mile a, .ev-tl__mile.is-right a { white-space: normal; padding: 0 0 0 10px; border-right: 0; border-left: 1px solid var(--line-2); }
  .ev-tl__mile a::after { display: none; }
  .ev-tl__mile-sub { display: inline; margin-left: 6px; }

  .ev-tl__body { display: grid; grid-template-columns: 40px repeat(8, minmax(0, 1fr)); grid-template-rows: auto calc(var(--vstep) * 43); }
  .ev-tl__grid { position: relative; left: auto; right: auto; top: auto; bottom: auto; grid-column: 2 / -1; grid-row: 2; }
  .ev-tl__grid span { left: 0; right: 0; width: auto; height: 1px; top: calc(var(--x) * 100%); bottom: auto; }
  .ev-tl__grid span.is-nd { background: repeating-linear-gradient(90deg, var(--line-2) 0 3px, transparent 3px 7px); }
  .ev-tl__axis { order: 0; grid-column: 1; grid-row: 2; height: auto; margin: 0; border-top: 0; border-right: 1px solid var(--line-2); }
  .ev-tl__axis span { top: calc(var(--x) * 100%); left: 0; transform: translateY(-50%); font-size: 10.5px; }
  .ev-tl__lane { display: contents; }
  .ev-tl__lane.is-gstart::before { display: none; }
  .ev-tl__head { grid-row: 1; grid-column: var(--col); flex-direction: column; justify-content: flex-end; gap: 4px; padding: 0 0 8px; min-height: 0; border-bottom: 2px solid var(--c); }
  .ev-tl__num { width: 100%; max-width: 32px; height: 24px; }
  .ev-tl__name { display: none; }
  .ev-tl__count { font-size: 10.5px; }
  .ev-tl__track { grid-row: 2; grid-column: var(--col); height: auto; border-left: 1px solid var(--line); }
  .ev-tl__lane.is-gstart .ev-tl__track { border-left-color: var(--line-2); }
  .ev-tl__mark { left: calc(3px + var(--l) * var(--lane-step)); top: calc(var(--x) * 100% - 4px); width: 8px; height: calc(var(--w) * 100% + 8px); border-width: 1.5px; }
  .ev-tl__mark.is-span.is-doi { background: linear-gradient(180deg, var(--c) 0 6px, color-mix(in srgb, var(--c) 45%, var(--bg)) 6px calc(100% - 6px), var(--c) calc(100% - 6px)); }
  .ev-tl__mark::before { inset: -5px -2px; }
  .ev-tl[data-group-focus] .ev-tl__lane { opacity: 1; }
}

/* =====================================================================
   02 STACK
   ===================================================================== */
.ev-stack-band { overflow: hidden; }
.ev-stack { --cols: minmax(150px, 0.95fr) minmax(90px, 1.05fr) 64px minmax(250px, 1.55fr); position: relative; padding-bottom: 72px; }
.js .ev-stack[data-reveal] { opacity: 1; transform: none; }
.ev-stack__heads { display: grid; grid-template-columns: var(--cols); margin-bottom: 18px; font: 500 11.5px/1.3 var(--font-mono); color: var(--ink-3); letter-spacing: 0.02em; }
.ev-stack__h1 { grid-column: 1; text-align: right; padding-right: 22px; }
.ev-stack__h3 { grid-column: 3 / 5; color: var(--ink); white-space: nowrap; }
.ev-stack__fig { position: relative; display: grid; grid-template-columns: var(--cols); height: var(--H); }
.ev-stack__src, .ev-stack__dev { position: relative; list-style: none; margin: 0; padding: 0; }
.ev-stack__src { grid-column: 1; }
.ev-stack__dev { grid-column: 3 / 5; }
.ev-stack__node { position: absolute; left: 0; right: 0; top: var(--top); height: var(--h); display: flex; justify-content: flex-end; align-items: flex-start; transition: opacity 0.25s; }
.ev-stack__nlink { display: grid; grid-template-columns: auto 1fr auto; align-items: baseline; gap: 0 10px; margin-top: -2px; padding-right: 12px; text-align: right; text-decoration: none; font: 400 13px/1.3 var(--font-mono); color: var(--ink-2); max-width: 100%; }
.ev-stack__nnum { color: var(--ink); font-weight: 500; }
.ev-stack__nname { color: var(--ink); text-align: right; }
.ev-stack__ncount { color: var(--ink-3); font-variant-numeric: tabular-nums; min-width: 2ch; }
.ev-stack__nlink:hover .ev-stack__nname { color: var(--amber); }
.ev-stack__nbar { width: 10px; height: 100%; background: var(--c); border-radius: 2px 0 0 2px; flex: none; }
.ev-stack__ribbons { grid-column: 2; width: 100%; height: var(--H); overflow: visible; }
.ev-stack__rib { fill-opacity: 0.85; transition: fill-opacity 0.25s; }
.ev-stack__layer { position: absolute; left: 0; right: 0; top: var(--top); height: var(--h); outline: none; transition: opacity 0.25s; }
.ev-stack__layer:focus-visible .ev-stack__lbar { box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--amber); }
.ev-stack__lbar { position: absolute; left: 0; top: 0; width: 64px; height: 100%; background: var(--c); border-radius: 0 3px 3px 0; }
.ev-stack__ltext { position: absolute; left: 86px; right: 0; top: -4px; }
.ev-stack__ltitle { font: 400 clamp(22px, 2vw, 30px)/1 var(--font-display); letter-spacing: -0.035em; color: var(--ink); }
.ev-stack__lrole { margin-top: 6px; font: 400 12px/1.4 var(--font-mono); color: var(--ink-3); }
.ev-stack__lrname { color: var(--ink-2); }
.ev-stack__lrole a { color: var(--ink); text-decoration-color: var(--c); }
.ev-stack__lparam { margin-top: 5px; font: 400 13px/1.45 var(--font-mono); color: var(--ink-2); max-width: 54ch; }
.ev-stack__note { margin-top: 8px; max-width: 86ch; }
/* hover / focus linking */
.ev-stack.is-linking .ev-stack__node:not(.is-on),
.ev-stack.is-linking .ev-stack__layer:not(.is-on) { opacity: 0.32; }
.ev-stack.is-linking .ev-stack__rib { fill-opacity: 0.22; }
.ev-stack.is-linking .ev-stack__rib.is-on { fill-opacity: 1; }
/* one-time growth */
.js .ev-stack .ev-stack__rib { clip-path: inset(0 100% 0 0); transition: clip-path 1.1s var(--ease-out) calc(0.25s + var(--i) * 0.06s), fill-opacity 0.25s; }
.js .ev-stack .ev-stack__nbar { transform: scaleX(0); transform-origin: right center; transition: transform 0.6s var(--ease-out); }
.js .ev-stack .ev-stack__lbar { transform: scaleX(0); transform-origin: left center; transition: transform 0.7s var(--ease-out) calc(0.9s + var(--i) * 0.03s); }
.js .ev-stack .ev-stack__ltext { opacity: 0; transition: opacity 0.6s calc(1.1s + var(--i) * 0.03s); }
.js .ev-stack.is-in .ev-stack__rib { clip-path: inset(0 0 0 0); }
.js .ev-stack.is-in .ev-stack__nbar, .js .ev-stack.is-in .ev-stack__lbar { transform: none; }
.js .ev-stack.is-in .ev-stack__ltext { opacity: 1; }
@media (prefers-reduced-motion: reduce) {
  .js .ev-stack .ev-stack__rib, .js .ev-stack .ev-stack__nbar, .js .ev-stack .ev-stack__lbar, .js .ev-stack .ev-stack__ltext { clip-path: none; transform: none; opacity: 1; transition: none; }
}
.ev-stack__list { display: none; }

@media (max-width: 1100px) {
  .ev-stack { --cols: minmax(130px, 0.9fr) minmax(60px, 0.7fr) 44px minmax(200px, 1.5fr); }
  .ev-stack__lbar { width: 44px; }
  .ev-stack__ltext { left: 62px; }
}
@media (max-width: 760px) {
  .ev-stack { --cols: 116px minmax(36px, 1fr) 22px minmax(124px, 1.2fr); padding-bottom: 56px; }
  .ev-stack__heads { font-size: 10px; }
  .ev-stack__h1 { padding-right: 10px; }
  .ev-stack__h3 { white-space: normal; }
  .ev-stack__nlink { grid-template-columns: 1fr auto; gap: 0 6px; padding-right: 7px; font-size: 11.5px; line-height: 1.2; }
  .ev-stack__nnum { grid-column: 1 / -1; font-size: 10.5px; color: var(--ink-3); }
  .ev-stack__nbar { width: 6px; }
  .ev-stack__lbar { width: 22px; }
  .ev-stack__ltext { left: 32px; top: -2px; }
  .ev-stack__ltitle { font-size: 17px; }
  .ev-stack__lrole { font-size: 10.5px; margin-top: 3px; }
  .ev-stack__lrname, .ev-stack__lparam { display: none; }
  .ev-stack__list { display: grid; gap: 0; margin-top: 8px; list-style: none; padding: 0; border-top: 1px solid var(--line); }
  .ev-stack__list li { display: grid; grid-template-columns: 10px 1fr; gap: 4px 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
  .ev-stack__list .ev-sw { margin-top: 6px; height: 100%; min-height: 24px; width: 4px; border-radius: 2px; }
  .ev-stack__list b { font: 400 20px/1.1 var(--font-display); letter-spacing: -0.03em; color: var(--ink); }
  .ev-stack__list p { grid-column: 2; font: 400 12.5px/1.5 var(--font-mono); color: var(--ink-2); }
  .ev-stack__list p.muted { color: var(--ink-3); }
}

/* =====================================================================
   03 CLUSTER CARDS (vantasner ecosystem / article card language)
   ===================================================================== */
.ev-cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 1.4vw, 22px); }
.ev-card { min-width: 0; }
.ev-card__link { display: flex; flex-direction: column; height: 100%; background: var(--paper); color: var(--paper-ink); border-radius: var(--radius); overflow: hidden; text-decoration: none; transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease); }
.ev-card__link:hover { transform: translateY(-6px); box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45); }
.ev-card__link:focus-visible { outline-offset: 4px; }
.ev-card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-deep); border-bottom: 4px solid var(--c); }
.ev-card__media img, .ev-card__media .ev-fallback { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease-out); }
.ev-card__link:hover .ev-card__media img { transform: scale(1.04); }
.ev-card__body { display: flex; flex-direction: column; flex: 1; padding: 18px 18px 18px; }
.ev-card__k { display: flex; align-items: center; font: 500 12.5px/1 var(--font-mono); color: var(--paper-ink); }
.ev-card__g { margin-left: auto; font-size: 10.5px; letter-spacing: 0.05em; color: var(--paper-ink-2); }
.ev-card__title { margin-top: 16px; font: 400 clamp(21px, 1.7vw, 25px)/1.04 var(--font-display); letter-spacing: -0.035em; color: var(--purple); text-wrap: balance; }
.ev-card__role { margin-top: 10px; font: 700 12.5px/1.45 var(--font-mono); color: var(--paper-ink); }
.ev-card__q { margin-top: 8px; font: 400 12.5px/1.55 var(--font-mono); color: var(--paper-ink-2); }
.ev-card__meta { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: auto; padding-top: 16px; font: 400 11.5px/1.3 var(--font-mono); color: var(--paper-ink-2); }
.ev-card__meta b { font-weight: 600; color: var(--paper-ink); }
.ev-card__go { align-self: flex-start; margin-top: 14px; padding: 11px 14px; font: 500 13px/1 var(--font-mono); background: var(--amber); color: var(--on-amber); border-radius: 2px; transition: background 0.2s, color 0.2s; }
.ev-card__link:hover .ev-card__go { background: var(--orange); color: var(--on-orange); }

@media (max-width: 1180px) { .ev-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  .ev-cards { grid-template-columns: 1fr; gap: 12px; }
  .ev-card__link { display: grid; grid-template-columns: 112px minmax(0, 1fr); }
  .ev-card__media { aspect-ratio: auto; height: 100%; min-height: 150px; border-bottom: 0; border-right: 4px solid var(--c); }
  .ev-card__media .ev-fallback { aspect-ratio: auto; }
  .ev-fallback__num { font-size: 76px; }
  .ev-fallback__lab { display: none; }
  .ev-card__body { padding: 14px 14px 14px 14px; }
  .ev-card__g { display: none; }
  .ev-card__title { margin-top: 10px; font-size: 19px; }
  .ev-card__role { font-size: 11.5px; }
  .ev-card__q { display: none; }
  .ev-card__meta { padding-top: 10px; gap: 2px 10px; }
  .ev-card__go { display: none; }
}

/* =====================================================================
   04 WHAT IS OPEN (paper band)
   ===================================================================== */
.ev-open .display-2 { color: var(--paper-ink); }
.ev-open__accent { color: var(--purple); }
.ev-open .lead { color: var(--paper-ink-2); }
.ev-open__cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 0.9fr); gap: clamp(16px, 2vw, 28px); align-items: start; }
.ev-progs { list-style: none; margin: 0; padding: 0; display: grid; }
.ev-progs li { border-top: 1px solid var(--paper-line); }
.ev-progs li:first-child { border-top: 0; }
.ev-progs a { display: grid; gap: 3px; padding: 11px 0 12px; text-decoration: none; color: var(--paper-ink); }
.ev-progs a:hover .ev-progs__who { color: var(--purple); }
.ev-progs__k { display: flex; align-items: center; gap: 8px; font: 500 11.5px/1.3 var(--font-mono); color: var(--paper-ink-2); }
.ev-progs__who { font: 400 17px/1.25 var(--font-display); letter-spacing: -0.015em; color: var(--paper-ink); transition: color 0.2s; }
.ev-progs__gives { font: 400 13px/1.5 var(--font-mono); color: var(--paper-ink-2); }
.ev-open__big { font: 400 clamp(24px, 2.2vw, 32px)/1.08 var(--font-display); letter-spacing: -0.035em; color: var(--ink); margin-bottom: 20px; }
.ev-open__col { padding: clamp(20px, 2vw, 28px); border-top: 3px solid var(--paper-ink); background: var(--paper-2); border-radius: 0 0 var(--radius) var(--radius); }
.ev-open__h { display: flex; align-items: baseline; gap: 12px; font: 700 14px/1.35 var(--font-mono); color: var(--paper-ink); margin-bottom: 18px; }
.ev-open__n { font: 400 13px/1 var(--font-mono); color: var(--purple); }
.ev-open__col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.ev-open__col li { font: 400 15.5px/1.5 var(--font-text); color: var(--paper-ink-2); padding-left: 16px; position: relative; }
.ev-open__col li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 6px; height: 6px; background: var(--purple); }
.ev-open__col li .chip { display: flex; width: fit-content; margin-top: 8px; }
.ev-open__col li strong { color: var(--paper-ink); }
.ev-open__col--open { background: var(--bg-deep); color: var(--ink); border-top-color: var(--amber); }
.ev-open__col--open .ev-open__h { color: var(--ink); }
.ev-open__col--open .ev-open__n { color: var(--amber); }
.ev-open__col--open li { color: var(--ink-2); }
.ev-open__col--open li strong { color: var(--amber); font-weight: 400; }
.ev-open__col--open li::before { background: var(--amber); }
.ev-open__col--open .chips { margin-top: 22px; }
.band--paper .ev-open__col--open .chip { color: var(--ink-2); border-color: var(--line-2); }
.band--paper .ev-open__col--open .chip__arrow { color: var(--amber); }
.band--paper .ev-open__col--open .chip:hover { color: var(--ink); border-color: var(--amber); }
@media (max-width: 1180px) { .ev-open__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ev-open__col--open { grid-column: 1 / -1; } }
@media (max-width: 760px) { .ev-open__cols { grid-template-columns: 1fr; } }

/* =====================================================================
   05 DEEPER
   ===================================================================== */
.ev-deeper__grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.4fr); gap: 32px clamp(32px, 5vw, 96px); align-items: start; }
.ev-deeper__note { margin-top: 18px; max-width: 40ch; }
.ev-doclinks { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); list-style: none; }
.ev-doclinks a { font: 400 12.5px/1.3 var(--font-mono); color: var(--ink-3); text-decoration: none; }
.ev-doclinks a span { color: var(--purple-ink); margin-right: 8px; }
.ev-doclinks a:hover { color: var(--ink); }
@media (max-width: 900px) { .ev-deeper__grid { grid-template-columns: 1fr; } }

/* =====================================================================
   SHARED WITH CLUSTER PAGES: mini timeline + mini stack
   ===================================================================== */
.ev-mini { position: relative; }
.ev-mini__track { position: relative; height: 46px; border-bottom: 1px solid var(--line-2); }
.ev-mini__grid { position: absolute; top: 0; bottom: 0; left: calc(var(--x) * 100%); width: 1px; background: var(--line); }
.ev-mini__tick { position: absolute; bottom: 0; left: calc(var(--x) * 100%); width: 1px; height: 12px; background: rgba(255, 255, 255, 0.22); }
.ev-mini__mark { position: absolute; bottom: calc(2px + var(--l, 0) * 11px); left: calc(var(--x) * 100% - 4px); width: calc(var(--w) * 100% + 8px); height: 9px; border-radius: 2px; background: var(--c); transition: transform 0.2s var(--ease), box-shadow 0.15s; }
.ev-mini__mark::before { content: ""; position: absolute; inset: -6px -5px; }
.ev-mini__mark:hover, .ev-mini__mark:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px var(--ink); }
.ev-mini__axis { position: relative; height: 22px; }
.ev-mini__axis span { position: absolute; top: 6px; left: calc(var(--x) * 100%); transform: translateX(-50%); font: 400 11px/1 var(--font-mono); color: var(--ink-3); }
.ev-mini__axis span:first-child { transform: none; }
.ev-mini__axis span:last-child { transform: translateX(-100%); }

.ev-ministack { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.ev-ministack__layer { display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 12px; min-height: 30px; font: 400 13px/1.25 var(--font-mono); color: var(--ink-3); }
.ev-ministack__bar { height: 100%; min-height: 26px; border-radius: 2px; background: color-mix(in srgb, var(--c) 20%, transparent); }
.ev-ministack__layer.is-here { color: var(--ink); }
.ev-ministack__layer.is-here .ev-ministack__bar { background: var(--c); }
.ev-ministack__layer.is-here .ev-ministack__title { font-weight: 600; }
.ev-ministack__nums { display: flex; gap: 6px; }
.ev-ministack__nums a { color: inherit; text-decoration: none; padding: 3px 5px; border: 1px solid var(--line); border-radius: 3px; font-size: 11.5px; }
.ev-ministack__nums a:hover { border-color: var(--c); color: var(--ink); }
.ev-ministack__nums a[aria-current] { border-color: var(--c); color: var(--ink); background: color-mix(in srgb, var(--c) 18%, transparent); }

/* deeper lists on evidence pages: fixed level column so labels align across PROGRAM / SOURCE rows */
.ev-deeper .deeper, .cl-next__deeper .deeper { grid-template-columns: 7.6em minmax(0, 1fr) auto; }
@media (max-width: 640px) { .ev-deeper .deeper, .cl-next__deeper .deeper { grid-template-columns: minmax(0, 1fr) auto; } .ev-deeper .deeper__level, .cl-next__deeper .deeper__level { grid-column: 1 / -1; } .ev-deeper .deeper__note, .cl-next__deeper .deeper__note { grid-column: 1; } .ev-deeper .deeper__arrow, .cl-next__deeper .deeper__arrow { grid-row: 2; grid-column: 2; } }
.ev-open__col .ev-progs li { padding-left: 0; }
.ev-open__col .ev-progs li::before { display: none; }