/* ==========================================================================
   AP3 homepage — Visual Identity System v1.0 (approved direction, 2026-10-07)
   Scoped to index.html. Other pages keep their own CSS and site.css.
   Tokens, type roles, 12-column grid, devices D01–D04 and motion rules follow
   AP3-VISUAL-SYSTEM.md (sections 4, 5, 6, 7, 12).
   ========================================================================== */

@font-face {
  font-family: "IBM Plex Sans";
  src: url("fonts/IBMPlexSans.woff2") format("woff2");
  font-weight: 100 700;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("fonts/IBMPlexMono.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

:root {
  --paper: #FAFAF8;
  --surface: #F1F1EE;
  --ink: #14161A;
  --secondary: #4A4E57;
  --muted: #8A8E97;
  --rule: #DBDCD6;
  --rule-strong: #B9BBB4;
  --blue: #2B4C7E;
  --blue-tint: #EAF0F8;
  --signal: #B74732;
  --signal-inv: #F08A73;
  --inverse-secondary: #B9BBB4;
  --inverse-rule: #4A4E57;

  --sans: "IBM Plex Sans", Arial, system-ui, sans-serif;
  --mono: "IBM Plex Mono", Consolas, "Courier New", monospace;
  --ease: cubic-bezier(.2, 0, 0, 1);

  /* names the shared discovery modal (assets/cta-modal.js) reads */
  --bg: var(--paper);
  --bg-raised: var(--surface);
  --ink-faint: var(--secondary);
  --danger: #B74732;
  --ink-soft: var(--secondary);
  --accent: var(--blue);
  --accent-soft: var(--blue-tint);
  --display: var(--sans);
  --body: var(--sans);

  --pad: 64px;
  --header-h: 64px;
}
@media (max-width: 960px) { :root { --pad: 40px; } }
@media (max-width: 640px) { :root { --pad: 24px; --header-h: 56px; } }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html.menu-open, html.menu-open body { overflow: hidden; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-variant-numeric: tabular-nums;
}
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 2px;
}
.on-ink a:focus-visible, .on-ink button:focus-visible, .on-ink input:focus-visible, .on-ink textarea:focus-visible,
.site-menu a:focus-visible, .site-menu button:focus-visible { outline-color: var(--paper); }

section[id] { scroll-margin-top: var(--header-h); }
.skip-link {
  position: absolute; left: 16px; top: -64px; z-index: 100; background: var(--ink); color: var(--paper);
  padding: 12px 16px; font: 400 14px var(--mono); border-radius: 2px;
}
.skip-link:focus { top: 12px; }

.wrap { max-width: 1280px; margin: 0 auto; padding: 0 var(--pad); }
.g12 { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: 24px; }

/* ---------- type roles (spec section 5, web column) ---------- */
.label {
  font: 400 13px/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--secondary);
  display: flex; align-items: center; gap: 12px;
}
.label::before { content: ""; width: 24px; height: 2px; background: currentColor; flex: none; }
.on-ink .label { color: var(--inverse-secondary); }
.on-blue .label, .on-blue .lead { color: var(--paper); }
h1, h2, h3 { font-weight: 500; text-wrap: balance; }
h1 { font-size: clamp(40px, 4.3vw, 62px); line-height: 1.02; letter-spacing: -.035em; }
h2 { font-size: clamp(32px, 4vw, 56px); line-height: 1.08; letter-spacing: -.025em; }
h3 { font-size: clamp(22px, 2.2vw, 28px); line-height: 1.2; letter-spacing: -.02em; }
.lead { font-size: clamp(18px, 1.5vw, 20px); line-height: 1.5; color: var(--secondary); max-width: 52ch; }
.on-ink .lead { color: var(--inverse-secondary); }
.mono { font-family: var(--mono); }
.num { font-family: var(--mono); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }

.cta-text {
  display: inline-flex; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 2px solid currentColor;
  font-size: 20px; font-weight: 500; letter-spacing: -.01em;
  transition: gap 240ms var(--ease), color 160ms var(--ease);
}
.cta-text:hover { gap: 20px; color: var(--blue); }
.on-ink .cta-text:hover { color: var(--paper); }

.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px; min-height: 52px; padding: 0 24px;
  background: var(--ink); color: var(--paper); border-radius: 2px; border: 1px solid var(--ink);
  font: 400 14px var(--mono); letter-spacing: .02em; cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}
.btn-primary:hover { background: var(--blue); border-color: var(--blue); }
.on-ink .btn-primary { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.on-ink .btn-primary:hover { background: var(--blue-tint); border-color: var(--blue-tint); }
.btn-primary:disabled { opacity: 1; background: var(--secondary); border-color: var(--secondary); color: var(--paper); cursor: default; }
.link-quiet { font: 400 14px var(--mono); letter-spacing: .02em; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.link-quiet:hover { color: var(--blue); }
.on-ink .link-quiet:hover { color: var(--paper); border-bottom-width: 2px; }

/* ---------- header: one solid bar, the hairline is a path that fills with scroll ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 30; background: var(--paper);
  border-bottom: 1px solid var(--rule); padding-top: env(safe-area-inset-top);
}
.site-bar { max-width: 1280px; margin: 0 auto; padding: 0 var(--pad); height: var(--header-h); display: flex; align-items: center; justify-content: space-between; }
.logo img { height: 22px; width: auto; }
.nav-right { display: flex; align-items: center; gap: 24px; }
.nav-link { font: 400 13px var(--mono); letter-spacing: .04em; color: var(--secondary); }
.nav-link:hover { color: var(--ink); }
.nav-cta {
  font: 400 13px var(--mono); letter-spacing: .02em; background: var(--ink); color: var(--paper);
  padding: 10px 18px; border-radius: 2px; transition: background 160ms var(--ease);
}
.nav-cta:hover { background: var(--blue); }
.menu-toggle { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 44px; height: 44px; margin-right: -10px; }
.menu-toggle span { width: 22px; height: 1.5px; background: var(--ink); transition: transform 240ms var(--ease), opacity 160ms var(--ease); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; pointer-events: none; }
.progress i { display: block; height: 100%; background: var(--blue); transform: scaleX(0); transform-origin: left; }
@media (max-width: 640px) { .nav-cta, .nav-link { display: none; } }

/* ---------- site menu (shared site.js drives .is-open, aria and inert) ---------- */
.site-menu {
  position: fixed; inset: 0; z-index: 40; background: var(--ink); color: var(--paper);
  display: flex; flex-direction: column; overflow-y: auto; overscroll-behavior: contain;
  padding: calc(var(--header-h) + 32px + env(safe-area-inset-top)) 0 calc(40px + env(safe-area-inset-bottom));
  opacity: 0; visibility: hidden; transition: opacity 240ms var(--ease), visibility 0s linear 240ms;
}
.site-menu.is-open { opacity: 1; visibility: visible; transition: opacity 240ms var(--ease), visibility 0s; }
.menu-close {
  position: fixed; top: var(--close-top, 10px); right: var(--close-right, 24px); width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center; color: var(--paper); z-index: 2;
}
.menu-close svg { stroke: currentColor; stroke-width: 1.5; }
.site-menu-links, .site-menu-foot, .site-menu > .menu-cta { max-width: 1280px; width: 100%; margin: 0 auto; padding: 0 var(--pad); }
.site-menu > .site-menu-links { margin-top: auto; counter-reset: m; display: flex; flex-direction: column; }
.site-menu-links a {
  counter-increment: m; display: flex; align-items: baseline; gap: 24px; padding: clamp(6px, 1.1vh, 10px) 0;
  border-bottom: 1px solid var(--inverse-rule);
  font-size: clamp(24px, min(4.2vw, 5.2vh), 46px); font-weight: 500; letter-spacing: -.025em; line-height: 1.15;
  opacity: 0; transform: translateY(10px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease), padding-left 240ms var(--ease), color 160ms var(--ease);
  transition-delay: calc(60ms + var(--i, 0) * 30ms);
}
.site-menu-links a::before { content: counter(m, decimal-leading-zero); font: 400 13px var(--mono); color: var(--inverse-secondary); letter-spacing: .06em; min-width: 24px; }
.site-menu-links a:hover { padding-left: 12px; color: var(--paper); }
.site-menu-links a.current { color: var(--paper); }
.site-menu-links a.current::after { content: ""; width: 24px; height: 2px; background: var(--paper); align-self: center; }
.site-menu.is-open .site-menu-links a { opacity: 1; transform: none; }
.site-menu:not(.is-open) .site-menu-links a { transition-delay: 0ms; }
.site-menu > .menu-cta {
  display: block; margin-top: 32px; font: 400 14px var(--mono); letter-spacing: .02em;
}
.site-menu > .menu-cta { opacity: 0; transition: opacity 320ms var(--ease) 360ms; }
.site-menu.is-open > .menu-cta { opacity: 1; }
.site-menu-foot { margin-top: 24px; margin-bottom: auto; display: flex; gap: 24px; flex-wrap: wrap; font: 400 13px var(--mono); color: var(--inverse-secondary); }
.site-menu-foot a { color: var(--inverse-secondary); border-bottom: 1px solid transparent; }
.site-menu-foot a:hover { color: var(--paper); border-bottom-color: currentColor; }

/* ---------- motion contract: reveal + diagram construction ---------- */
.js .reveal { opacity: 0; transform: translateY(12px); transition: opacity 520ms var(--ease), transform 520ms var(--ease); transition-delay: calc(var(--d, 0) * 1ms); }
.js .reveal.in { opacity: 1; transform: none; }

/* A figure is armed (hidden) until it scrolls into view, then built in dependency order.
   Replay is a deliberate control; nothing loops. */
.dgm-svg { width: 100%; height: auto; overflow: visible; }
.svg-mono { font: 400 17px var(--mono); letter-spacing: .06em; }
.svg-name { font: 500 24px var(--sans); letter-spacing: -.01em; }
.svg-sub { font: 400 15px var(--mono); letter-spacing: .02em; }
.dgm-svg .sig { fill: var(--signal); }
.dseg, .dep:not(.dashed), .dmk { stroke-dasharray: 1; }
.js .dgm:not(.is-built) [data-b]:not([data-b="draw"]) { opacity: 0; }
.js .dgm:not(.is-built) [data-b="draw"] { stroke-dashoffset: 1; }
.js .dgm.is-built [data-b] {
  animation-duration: 480ms; animation-timing-function: var(--ease);
  animation-delay: calc(var(--t, 0) * 1ms); animation-fill-mode: both;
}
.js .dgm.is-built [data-b="fade"], .js .dgm.is-built [data-b="tick"] { animation-name: b-fade; animation-duration: 240ms; }
.js .dgm.is-built [data-b="rise"] { animation-name: b-rise; }
.js .dgm.is-built [data-b="layer"] { animation-name: b-layer; animation-duration: 720ms; }
.js .dgm.is-built [data-b="draw"] { animation-name: b-draw; animation-duration: calc(var(--dur, 640) * 1ms); }
.js .dgm.is-built [data-b="gate"] { animation-name: b-gate; animation-duration: 200ms; transform-box: fill-box; transform-origin: 50% 100%; }
@keyframes b-fade { from { opacity: 0; } }
@keyframes b-rise { from { opacity: 0; transform: translateY(10px); } }
@keyframes b-layer { from { opacity: 0; transform: translateY(var(--lift, 205px)); } }
@keyframes b-draw { from { stroke-dashoffset: 1; } to { stroke-dashoffset: 0; } }
@keyframes b-gate { from { opacity: 0; transform: scaleY(.2); } }
/* the A layer rises from nothing: it is the base the others lift away from */
[data-layer="a"][data-b="layer"] { --lift: 0px; }
[data-layer="b"][data-b="layer"], [data-layer="c"][data-b="layer"] { --lift: 205px; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .js .dgm [data-b], .js .dgm:not(.is-built) [data-b] { animation: none !important; opacity: 1 !important; transform: none !important; stroke-dashoffset: 0 !important; }
  .replay { display: none !important; }
}

/* ---------- D01 hover states: highlight a module, never dim the rest ---------- */
.mod { cursor: default; }
.mod.is-hl .ft { fill: var(--ink); }
.mod.is-hl .fl { fill: var(--secondary); }
.mod.is-hl .fr { fill: var(--blue); }
.mod.is-hl polygon { stroke-width: 1.8; }
.lyr .slab polygon { transition: fill 160ms var(--ease); }

.dgm .pv, .dgm .ph { width: 100%; }
.dgm .pv { display: none; max-width: 400px; margin: 0 auto; }
.only-pv { display: none; }
@media (max-width: 960px) { .dgm .ph { display: none; } .dgm .pv { display: block; } .only-pv { display: inline; } }
@media (max-width: 640px) { .hero-fig .svg-mono { font-size: 30px; } }
.on-ink { background: var(--ink); color: var(--paper); }
.on-blue { background: var(--blue); color: var(--paper); }
.discovery-form { display: flex; flex-direction: column; gap: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label { font: 400 12px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--inverse-secondary); }
.form-field input, .form-field textarea {
  width: 100%; min-height: 56px; padding: 14px 16px; background: transparent; color: var(--paper);
  border: 1px solid var(--inverse-rule); border-radius: 2px; font: 400 18px var(--sans); outline: none;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}
.form-field textarea { min-height: 144px; resize: vertical; line-height: 1.5; }
.form-field input:hover, .form-field textarea:hover { border-color: var(--inverse-secondary); }
.form-field input:focus, .form-field textarea:focus { border-color: var(--paper); background: #1B1E24; box-shadow: 0 0 0 1px var(--paper); }
.form-note { margin-top: 24px; font: 400 12px/1.5 var(--mono); letter-spacing: .04em; color: var(--inverse-secondary); }
.hp-field { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.form-submit-row { display: flex; align-items: center; gap: 16px 32px; flex-wrap: wrap; margin-top: 8px; }
.form-status, .newsletter-status { font: 400 13px var(--mono); letter-spacing: .02em; color: var(--inverse-secondary); }
.form-status.error { color: var(--signal-inv); }
.form-success { border-top: 1px solid var(--paper); padding-top: 24px; }
.form-success h3 { margin-bottom: 8px; }
.form-success p { color: var(--inverse-secondary); }

.newsletter { padding: 80px 0; border-bottom: 1px solid var(--rule-strong); }
.newsletter-inner { align-items: center; row-gap: 32px; }
.newsletter-copy { grid-column: 1 / span 6; display: flex; flex-direction: column; gap: 12px; }
.newsletter-copy p { color: var(--secondary); }
.newsletter-copy h3 { font-size: clamp(26px, 3vw, 40px); max-width: 20ch; }
.newsletter-side { grid-column: 8 / span 5; }
.newsletter-form { display: flex; gap: 0; }
.newsletter-form input {
  flex: 1; min-width: 0; min-height: 56px; padding: 0 16px; border: 1px solid var(--rule-strong); border-right: 0; background: var(--paper);
  border-radius: 2px 0 0 2px; font: 400 18px var(--sans); color: var(--ink); outline: none; transition: border-color 160ms var(--ease);
}
.newsletter-form input:focus { border-color: var(--ink); box-shadow: 0 0 0 1px var(--ink); }
.newsletter-form .btn-primary { border-radius: 0 2px 2px 0; }
.newsletter-status { margin-top: 12px; color: var(--secondary); min-height: 20px; }
.newsletter-status.success { color: var(--blue); }
@media (max-width: 960px) { .newsletter-copy, .newsletter-side { grid-column: 1 / -1; } .newsletter { padding: 56px 0; } }
@media (max-width: 480px) { .newsletter-form { flex-direction: column; gap: 12px; } .newsletter-form input { border-right: 1px solid var(--rule-strong); border-radius: 2px; } .newsletter-form .btn-primary { border-radius: 2px; } }
footer { padding: 56px 0 calc(48px + env(safe-area-inset-bottom)); }
.footer-grid { row-gap: 32px; }
.footer-links { grid-column: 1 / span 8; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 24px; }
.footer-links a { font: 400 14px var(--mono); letter-spacing: .02em; padding: 10px 0; border-bottom: 1px solid var(--rule); color: var(--secondary); transition: color 160ms var(--ease), padding-left 240ms var(--ease); }
.footer-links a:hover { color: var(--blue); padding-left: 6px; }
.footer-meta { grid-column: 10 / span 3; font: 400 12px/1.6 var(--mono); letter-spacing: .04em; color: var(--secondary); }
.footer-meta b { display: block; font: 500 16px/1.3 var(--sans); letter-spacing: -.01em; color: var(--ink); margin-bottom: 8px; }
@media (max-width: 960px) { .footer-links, .footer-meta { grid-column: 1 / -1; } }
@media (max-width: 640px) { .footer-links { grid-template-columns: 1fr 1fr; } }

dialog.ap3cta { margin: auto; }
dialog.ap3cta .ap3cta-panel { border-radius: 2px; box-shadow: none; border-color: var(--ink); background: var(--paper); }
dialog.ap3cta .ap3cta-f input, dialog.ap3cta .ap3cta-f textarea, dialog.ap3cta .ap3cta-send, dialog.ap3cta .ap3cta-x, dialog.ap3cta .ap3cta-back { border-radius: 2px; }
dialog.ap3cta::backdrop { background: rgba(20, 22, 26, .72); backdrop-filter: none; -webkit-backdrop-filter: none; }
dialog.ap3cta h2 { font-weight: 500; letter-spacing: -.025em; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ==========================================================================
   Inner pages: shared hero system + legacy component skin
   ========================================================================== */
:is(h1, h2, h3, h4) { font-weight: 500 !important; }
body { overflow-x: clip; }
main { display: block; }

/* page hero: big type, original diagram, one rule underneath */
.phero { position: relative; padding: calc(var(--header-h) + 72px) 0 0; border-bottom: 1px solid var(--ink); background: var(--paper); }
.pw { max-width: var(--pw-max, 1280px); margin: 0 auto; padding: 0 var(--pw-pad, var(--pad)); }
.phero .pw { position: relative; z-index: 2; }
.phero-copy > div { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; }
.phero-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; padding-bottom: 56px; }
.phero h1 { font-size: clamp(40px, 5.8vw, 92px); line-height: .98; letter-spacing: -.05em; max-width: 16ch; text-wrap: balance; }
.phero--xl h1 { font-size: clamp(56px, 10.5vw, 168px); line-height: .9; letter-spacing: -.06em; max-width: none; }
.phero--m h1 { font-size: clamp(34px, 4.4vw, 68px); line-height: 1.02; letter-spacing: -.04em; max-width: 22ch; }
.phero .kicker, .phero .crumbs, .phero .back-link, .phero .post-meta, .phero .cover-tag, .phero .eyebrow, .phero .section-label {
  font: 400 13px/1.3 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--secondary); margin: 0;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.phero .kicker::before, .phero .cover-tag::before, .phero .eyebrow::before { content: ""; display: inline-block !important; flex: none; position: static !important; width: 24px; height: 2px; margin: 0 !important; background: currentColor; }
.phero .kicker, .phero .cover-tag, .phero .eyebrow { display: flex !important; flex-direction: row !important; flex-wrap: nowrap !important; align-items: baseline !important; }
.phero .kicker::before, .phero .cover-tag::before, .phero .eyebrow::before { align-self: center; }
.phero .crumbs ol, .phero .kicker ol { display: flex; gap: 8px; list-style: none; flex-wrap: wrap; }
.phero .crumbs li + li::before, .phero .kicker ol li + li::before { content: "/"; margin-right: 8px; color: var(--muted); }
.phero a:hover { color: var(--blue); }
.phero p, .phero .dek, .phero .lead-hero, .phero .hero-subtitle, .phero .hero-lede { font-size: clamp(18px, 1.6vw, 22px); line-height: 1.5; color: var(--secondary); max-width: 54ch; margin: 0; }
.phero .search-byline, .phero .cover-byline, .phero .meta, .phero .micro, .phero .method-hero-note { font: 400 13px/1.5 var(--mono); letter-spacing: .04em; color: var(--secondary); max-width: none; }
.phero .meta { display: flex; gap: 24px; flex-wrap: wrap; }
.phero .hero-actions, .phero .offer-actions { display: flex; flex-wrap: wrap; gap: 16px 32px; align-items: center; margin-top: 8px; }
.phero .offer-line { font-size: clamp(20px, 2vw, 26px); color: var(--ink); max-width: none; }
.phero .accent-text { color: var(--blue); }
.phero .nowrap { white-space: nowrap; }
.phero .hero-card { border: 1px solid var(--ink); padding: 24px; max-width: 460px; background: var(--paper); }
.phero .sheet-index { display: grid; gap: 0; width: min(520px, 100%); border-top: 1px solid var(--ink); }
.phero .sheet-index a { color: var(--ink); opacity: 1; display: flex; gap: 24px; padding: 14px 0; border-bottom: 1px solid var(--rule-strong); font-size: 18px; }
.phero .sheet-no { font: 400 12px var(--mono); letter-spacing: .06em; color: var(--secondary); min-width: 56px; }

/* layout A: diagram band below the type (flows, comparisons) */
.phero-band { border-top: 1px solid var(--rule-strong); padding: 40px 0 8px; }
.phero-band .dgm-svg { display: block; }
.phero-band .dgm-cap { display: flex; justify-content: space-between; align-items: center; gap: 16px 24px; flex-wrap: wrap; padding: 20px 0 28px; }
/* narrow reading pages: the hero shares the page column; art stacks under the copy */
.phero-stack .phero-copy { padding-bottom: 32px; }
.phero-stack .dgm-svg { display: block; margin: 0 auto; max-height: 420px; }
.phero-stack .dgm-cap { padding: 12px 0 32px; }
.phero-band .pw { container-type: inline-size; }
@container (max-width: 900px) { .phero-band .pw .ph { display: none; } .phero-band .pw .pvs { display: block; max-width: 420px; margin: 0 auto; } }
/* layout B: isometric scene beside the type */
.phero-side { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); column-gap: 24px; align-items: end; }
.phero-side .phero-copy { padding-bottom: 72px; }
.phero-side h1 { max-width: none; font-size: clamp(40px, 4.8vw, 78px); }
.phero-side .dgm-cap, .phero-stack .dgm-cap { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.phero-side .phero-art { padding-bottom: 8px; }
.phero-side .dgm-svg { display: block; max-height: min(640px, 70svh); margin-left: auto; }
.phero-side .dgm-cap { padding: 12px 0 24px; max-width: 46ch; margin-left: auto; }
@media (max-width: 960px) {
  .phero { padding-top: calc(var(--header-h) + 40px); }
  .phero-copy { padding-bottom: 40px; }
  .phero-side { grid-template-columns: 1fr; }
  .phero-side .phero-copy { padding-bottom: 32px; }
  .phero-side .dgm-svg { margin: 0 auto; max-width: 560px; }
  .phero-side .dgm-cap { margin: 0 auto; }
}
.dgm-cap { font: 400 12px/1.5 var(--mono); letter-spacing: .04em; color: var(--secondary); }
.dgm-cap b { font-weight: 400; color: var(--signal); }
.dgm .ph { display: block; } .dgm .pv { display: none; }
.dgm .pvs { display: none; }
@media (max-width: 960px) { .dgm .ph { display: none; } .dgm .pv, .dgm .pvs { display: block; } }
.dgm .pvs { max-width: 420px; margin: 0 auto; }
.dgm .pvs .dgm-svg + .dgm-svg { margin-top: 24px; }

/* legacy components, re-skinned (the old pages keep their own structure) */
.btn-primary, .btn-primary:visited { text-decoration: none; }
.btn-secondary, .btn-glass {
  display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 0 22px; border: 1px solid var(--ink); border-radius: 2px;
  background: transparent; color: var(--ink); font: 400 14px var(--mono); letter-spacing: .02em; text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}
.btn-secondary:hover, .btn-glass:hover { background: var(--ink); color: var(--paper); text-decoration: none; }
.on-ink .btn-secondary, .on-ink .btn-glass { border-color: var(--paper); color: var(--paper); }
.logo, .btn-primary, .btn-secondary, .btn-glass, .cta-text, .nav-cta, .nav-link, .link-quiet, .menu-cta, .rows a, .footer-links a, .site-menu-links a, .skip-link, .replay, .phero a:hover { text-decoration: none; }
.btn-primary:hover, .nav-cta:hover { text-decoration: none; }
.logo { display: flex; align-items: center; }
.section-label, .kicker, .eyebrow { font-family: var(--mono); letter-spacing: .06em; text-transform: uppercase; }
::selection { background: var(--blue); color: var(--paper); }

/* 05 analyses */
.rows { list-style: none; border-top: 1px solid var(--ink); counter-reset: r; }
.rows a {
  color: var(--ink);
  position: relative; display: grid; grid-template-columns: 72px minmax(0, 1fr) 200px 48px; align-items: baseline; gap: 24px; padding: 36px 0;
  border-bottom: 1px solid var(--rule-strong); transition: padding 240ms var(--ease), background 160ms var(--ease);
}
.rows a::before { content: ""; position: absolute; left: 0; top: -1px; bottom: -1px; width: 3px; background: var(--blue); transform: scaleY(0); transform-origin: top; transition: transform 240ms var(--ease); }
.rows .ix { font: 400 13px var(--mono); letter-spacing: .06em; color: var(--secondary); }
.rows .tt { font-size: clamp(24px, 2.8vw, 40px); line-height: 1.15; font-weight: 500; letter-spacing: -.025em; max-width: 24ch; text-wrap: balance; }
.rows .kind { font: 400 12px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--secondary); }
.rows .arr { justify-self: end; font-size: 28px; transition: transform 240ms var(--ease); }
.rows a:hover { background: var(--blue-tint); padding-left: 24px; }
.rows a:hover::before { transform: scaleY(1); }
.rows a:hover .arr { transform: translate(4px, -4px); color: var(--blue); }
.rows-foot { margin-top: 40px; }
@media (max-width: 960px) {
  .rows a { grid-template-columns: 40px minmax(0, 1fr) 32px; padding: 28px 0; row-gap: 12px; }
  .rows .kind { grid-column: 2; grid-row: 2; }
  .rows .arr { grid-column: 3; grid-row: 1; }
  .rows a:hover { padding-left: 12px; }
}


/* former site.css prose helpers, in the identity */
.search-prose { max-width: 760px; }
.search-prose h2 { font-size: clamp(28px, 3.4vw, 44px); line-height: 1.1; letter-spacing: -.03em; margin: 56px 0 20px; }
.search-prose h2:first-child { margin-top: 0; }
.search-prose p { margin: 0 0 20px; color: var(--secondary); max-width: 62ch; }
.search-prose ul { list-style: none; margin: 0 0 32px; border-top: 1px solid var(--rule-strong); }
.search-prose li { padding: 14px 0 14px 28px; border-bottom: 1px solid var(--rule); color: var(--secondary); position: relative; }
.search-prose li::before { content: ""; position: absolute; left: 0; top: 26px; width: 12px; height: 2px; background: var(--blue); }
.search-links { display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 24px; }
.search-links a { text-decoration: underline; text-underline-offset: 4px; }
.search-byline { font: 400 12px/1.6 var(--mono); letter-spacing: .04em; color: var(--secondary); margin: 18px 0; }
.search-related { padding: 32px 0; border-top: 1px solid var(--rule); }
.search-related h2 { font-size: 22px; line-height: 1.3; margin-bottom: 16px; }
.impact-rows { padding: 24px 0 96px; }

/* nav: keep links on one line; the third link yields first on narrow bars (it stays in the menu) */
.nav-link { white-space: nowrap; }
@media (max-width: 1040px) { .nav-link-extra { display: none; } }