/* ============================================================
   ToastDeck Research -- Master Stylesheet (v3, consolidated)
   Single external source of truth for all site pages.
   ============================================================ */

/* ---- BASE ---- */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
:root{--ink:#0D0D0D;--mid:#555;--light:#888;--rule:#DEDEDE;--orange:#FF5A1F;--bg:#fff;--gray:#F5F5F5;--offbg:#F0F0F0;--sans:'Inter',system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:17px;scroll-behavior:smooth}
body{font-family:var(--sans);font-weight:400;color:var(--ink);background:var(--offbg);line-height:1.75}
.td-nav{background:#fff;border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:100}
.td-nav-inner{max-width:1080px;margin:0 auto;padding:0 28px;height:56px;display:flex;align-items:center;justify-content:space-between}
.td-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.td-logo-wm{font-size:1rem;font-weight:700;letter-spacing:-0.02em}
.td-nav-links{display:flex;gap:28px;list-style:none}
.td-nav-links a{font-size:0.75rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--mid);text-decoration:none;transition:color .15s}
.td-nav-links a:hover,.td-nav-links a.active{color:var(--ink)}
.td-nav-links a.active{border-bottom:2px solid var(--orange);padding-bottom:2px}
.td-hbg{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.td-hbg span{display:block;width:22px;height:2px;background:var(--ink)}
.td-mob{display:none;background:#fff;border-top:1px solid var(--rule);padding:8px 0 20px}
.td-mob.open{display:block}
.td-mob a{display:block;padding:16px 28px;font-size:1.05rem;font-weight:700;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule)}
.td-mob a:hover{color:var(--orange)}
.td-mob-ft{padding:20px 28px 0;font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:700}
@media(max-width:640px){.td-nav-links{display:none}.td-hbg{display:flex}}
.w{max-width:720px;margin:0 auto;padding:0 28px}
.hero{background:var(--ink);color:#fff;padding:80px 28px 72px}
.hero-ey{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.38);margin-bottom:22px}
.hero h1{font-size:clamp(2.1rem,6.5vw,3.8rem);font-weight:300;line-height:1.08;letter-spacing:-0.02em;max-width:680px;margin-bottom:22px}
.hero h1 em{color:var(--orange);font-style:italic}
.hero-sub{font-size:.92rem;font-weight:300;color:rgba(255,255,255,.6);max-width:500px;line-height:1.65;margin-bottom:36px}
.sec{background:#fff;padding:64px 0;border-bottom:1px solid var(--rule)}
.sec-g{background:var(--gray);padding:64px 0;border-bottom:1px solid var(--rule)}
.sec-d{background:var(--ink);padding:72px 28px}
h2{font-size:clamp(1.5rem,3.8vw,2.2rem);font-weight:300;line-height:1.15;letter-spacing:-0.02em;margin-bottom:18px;color:var(--ink)}
h2 em{color:var(--orange);font-style:italic}
h3{font-size:.97rem;font-weight:700;letter-spacing:-0.01em;margin-bottom:9px;color:var(--ink)}
p{font-size:.89rem;color:var(--mid);line-height:1.75;margin-bottom:14px}
p:last-child{margin-bottom:0}
.ey{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--orange);margin-bottom:14px}
.eyd{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--light);margin-bottom:11px}
.btn{display:inline-block;padding:11px 22px;font-size:.73rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;cursor:pointer;border:none;font-family:var(--sans)}
.btn-d{background:var(--ink);color:#fff}.btn-d:hover{background:#222}
.btn-or{background:var(--orange);color:#fff}.btn-or:hover{background:#e04d17}
.btn-ol{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}.btn-ol:hover{background:var(--ink);color:#fff}
.btn-ow{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}.btn-ow:hover{border-color:#fff}
.badge{display:inline-block;padding:2px 8px;font-size:.56rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--rule);color:var(--mid);margin-bottom:9px}
.bor{border-color:var(--orange);color:var(--orange)}
.bdk{background:var(--ink);color:#fff;border-color:var(--ink)}
.tdl{list-style:none;padding:0;margin:0}
.tdl li{padding:15px 0;border-bottom:1px solid var(--rule);font-size:.87rem;color:var(--mid);display:flex;gap:14px;align-items:flex-start}
.tdl li:last-child{border-bottom:none}
.tdn{font-size:.58rem;font-weight:700;color:var(--orange);letter-spacing:.1em;min-width:22px;padding-top:3px;flex-shrink:0}
.cg{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.card{background:#fff;padding:26px 22px}
.clbl{font-size:.58rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:10px}
.pbox{border-left:3px solid var(--orange);padding:18px 22px;background:var(--gray);margin:28px 0}
.pbox-l{font-size:.56rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:7px}
.pbox p{font-size:.86rem;color:var(--ink);font-weight:500;margin:0}
.srow{display:flex;gap:32px;flex-wrap:wrap;padding:32px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.snum{font-size:2.1rem;font-weight:800;line-height:1;color:var(--ink);letter-spacing:-0.03em}
.slbl{font-size:.65rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--light);margin-top:3px}
.rule{border:none;border-top:1px solid var(--rule);margin:36px 0}
.fl{display:flex;gap:14px;flex-wrap:wrap}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt28{margin-top:28px}.mt32{margin-top:32px}.mt48{margin-top:48px}
.mb8{margin-bottom:8px}.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}
.td-foot{background:var(--ink);color:rgba(255,255,255,.48);padding:52px 28px 36px}
.td-foot-in{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:36px}
@media(max-width:640px){.td-foot-in{grid-template-columns:1fr;gap:24px}}
.td-foot-lbl{font-size:.58rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.2);margin-bottom:12px}
.td-foot a{display:block;font-size:.79rem;color:rgba(255,255,255,.48);text-decoration:none;margin-bottom:7px}
.td-foot a:hover{color:#fff}
.td-foot-bot{max-width:1080px;margin:32px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.td-foot-bl{font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:700}
.td-foot-br{font-size:.6rem;color:rgba(255,255,255,.2)}


/* ---- PROFILE COMPONENTS (about) ---- */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
:root{--ink:#0D0D0D;--mid:#555;--light:#888;--rule:#DEDEDE;--orange:#FF5A1F;--bg:#fff;--gray:#F5F5F5;--offbg:#F0F0F0;--sans:'Inter',system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:17px;scroll-behavior:smooth}
body{font-family:var(--sans);font-weight:400;color:var(--ink);background:var(--offbg);line-height:1.75}
.td-nav{background:#fff;border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:100}
.td-nav-inner{max-width:1080px;margin:0 auto;padding:0 28px;height:56px;display:flex;align-items:center;justify-content:space-between}
.td-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.td-logo-wm{font-size:1rem;font-weight:700;letter-spacing:-0.02em}
.td-nav-links{display:flex;gap:28px;list-style:none}
.td-nav-links a{font-size:0.75rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--mid);text-decoration:none;transition:color .15s}
.td-nav-links a:hover,.td-nav-links a.active{color:var(--ink)}
.td-nav-links a.active{border-bottom:2px solid var(--orange);padding-bottom:2px}
.td-hbg{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.td-hbg span{display:block;width:22px;height:2px;background:var(--ink)}
.td-mob{display:none;background:#fff;border-top:1px solid var(--rule);padding:8px 0 20px}
.td-mob.open{display:block}
.td-mob a{display:block;padding:16px 28px;font-size:1.05rem;font-weight:700;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule)}
.td-mob a:hover{color:var(--orange)}
.td-mob-ft{padding:20px 28px 0;font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:700}
@media(max-width:640px){.td-nav-links{display:none}.td-hbg{display:flex}}
.w{max-width:720px;margin:0 auto;padding:0 28px}
.hero{background:var(--ink);color:#fff;padding:80px 28px 72px}
.hero-ey{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.38);margin-bottom:22px}
.hero h1{font-size:clamp(2rem,6vw,3.6rem);font-weight:300;line-height:1.08;letter-spacing:-0.02em;max-width:680px;margin-bottom:22px}
.hero h1 em{color:var(--orange);font-style:italic}
.hero-sub{font-size:.92rem;font-weight:300;color:rgba(255,255,255,.6);max-width:500px;line-height:1.65;margin-bottom:36px}
.sec{background:#fff;padding:64px 0;border-bottom:1px solid var(--rule)}
.sec-g{background:var(--gray);padding:64px 0;border-bottom:1px solid var(--rule)}
.sec-d{background:var(--ink);padding:72px 28px}
h2{font-size:clamp(1.5rem,3.8vw,2.2rem);font-weight:300;line-height:1.15;letter-spacing:-0.02em;margin-bottom:18px;color:var(--ink)}
h2 em{color:var(--orange);font-style:italic}
h3{font-size:.97rem;font-weight:700;letter-spacing:-0.01em;margin-bottom:9px;color:var(--ink)}
p{font-size:.9rem;color:var(--mid);line-height:1.78;margin-bottom:16px}
p:last-child{margin-bottom:0}
p strong{color:var(--ink);font-weight:600}
.ey{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--orange);margin-bottom:14px}
.eyd{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--light);margin-bottom:11px}
.btn{display:inline-block;padding:11px 22px;font-size:.73rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;cursor:pointer;border:none;font-family:var(--sans)}
.btn-d{background:var(--ink);color:#fff}.btn-d:hover{background:#222}
.btn-or{background:var(--orange);color:#fff}.btn-or:hover{background:#e04d17}
.btn-ol{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}.btn-ol:hover{background:var(--ink);color:#fff}
.btn-ow{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}.btn-ow:hover{border-color:#fff}
.badge{display:inline-block;padding:2px 8px;font-size:.56rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--rule);color:var(--mid);margin-bottom:9px}
.bor{border-color:var(--orange);color:var(--orange)}
.bdk{background:var(--ink);color:#fff;border-color:var(--ink)}
.tdl{list-style:none;padding:0;margin:0}
.tdl li{padding:15px 0;border-bottom:1px solid var(--rule);font-size:.87rem;color:var(--mid);display:flex;gap:14px;align-items:flex-start}
.tdl li:last-child{border-bottom:none}
.tdn{font-size:.58rem;font-weight:700;color:var(--orange);letter-spacing:.1em;min-width:22px;padding-top:3px;flex-shrink:0}
.cg{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule)}
.card{background:#fff;padding:26px 22px}
.clbl{font-size:.58rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:10px}
.pbox{border-left:3px solid var(--orange);padding:18px 22px;background:var(--gray);margin:28px 0}
.pbox-l{font-size:.56rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);margin-bottom:7px}
.pbox p{font-size:.86rem;color:var(--ink);font-weight:500;margin:0}
.rule{border:none;border-top:1px solid var(--rule);margin:36px 0}
.fl{display:flex;gap:14px;flex-wrap:wrap}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}.mt28{margin-top:28px}.mt32{margin-top:32px}.mt48{margin-top:48px}
.mb8{margin-bottom:8px}.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}
/* SOCIAL LINKS */
.social-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:28px}
.social-card{background:#fff;padding:22px 20px;text-decoration:none;display:flex;align-items:center;gap:14px;transition:background .15s}
.social-card:hover{background:var(--gray)}
.social-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--ink);color:#fff;flex-shrink:0;font-size:.65rem;font-weight:700;letter-spacing:.06em}
.social-label{font-size:.6rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--light);margin-bottom:3px}
.social-handle{font-size:.88rem;font-weight:600;color:var(--ink)}
/* CREDENTIALS */
.cred-row{display:flex;flex-direction:column;gap:0}
.cred-item{padding:18px 0;border-bottom:1px solid var(--rule);display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start}
.cred-item:last-child{border-bottom:none}
.cred-year{font-size:.65rem;font-weight:700;color:var(--light);letter-spacing:.08em;text-transform:uppercase;padding-top:3px}
.cred-title{font-size:.9rem;font-weight:600;color:var(--ink);margin-bottom:3px}
.cred-desc{font-size:.82rem;color:var(--mid)}
/* BIO SECTION */
.bio-lede{font-size:1.05rem;font-weight:400;color:var(--ink);line-height:1.72;margin-bottom:20px}
/* FOOTER */
.td-foot{background:var(--ink);color:rgba(255,255,255,.48);padding:52px 28px 36px}
.td-foot-in{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:36px}
@media(max-width:640px){.td-foot-in{grid-template-columns:1fr;gap:24px}}
.td-foot-lbl{font-size:.58rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.2);margin-bottom:12px}
.td-foot a{display:block;font-size:.79rem;color:rgba(255,255,255,.48);text-decoration:none;margin-bottom:7px}
.td-foot a:hover{color:#fff}
.td-foot-bot{max-width:1080px;margin:32px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.td-foot-bl{font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:700}
.td-foot-br{font-size:.6rem;color:rgba(255,255,255,.2)}


/* ---- LONG-FORM ARTICLE COMPONENTS ---- */

  @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

  :root {
    /* ToastDeck locked brand tokens */
    --ink: #0D0D0D;
    --mid: #555555;
    --light: #888888;
    --rule: #DEDEDE;
    --accent: #0D0D0D;
    --accent-light: #F5F5F5;
    --highlight: #FF5A1F;
    --bg: #FFFFFF;
    --white: #FFFFFF;
    --gray: #F5F5F5;
    --orange: #FF5A1F;
    --max: 720px;
    --mono: 'Inter', system-ui, sans-serif;
    --serif: 'Inter', system-ui, sans-serif;
    --sans: 'Inter', system-ui, sans-serif;
  }

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

  html { font-size: 17px; scroll-behavior: smooth; }

  body {
    font-family: var(--sans);
    font-weight: 400;
    color: var(--ink);
    background: #F0F0F0;
    line-height: 1.75;
    padding: 0;
  }

  /* ── COVER ── */
  .cover {
    background: #0D0D0D;
    color: #FFFFFF;
    padding: 80px 40px 72px;
    text-align: center;
  }
  .cover-eyebrow {
    font-family: var(--sans);
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    margin-bottom: 48px;
  }
  .cover-equation {
    font-family: var(--sans);
    font-size: clamp(2.8rem, 8vw, 5.2rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
  }
  .cover-equation .neq {
    color: #FF5A1F;
    font-style: italic;
  }
  .cover-sub {
    font-family: var(--sans);
    font-size: 0.92rem;
    font-weight: 300;
    color: rgba(255,255,255,0.7);
    max-width: 480px;
    margin: 0 auto 48px;
    line-height: 1.6;
  }
  .cover-meta {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
  }
  .cover-author {
    font-family: var(--sans);
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
  }
  .cover-org {
    font-family: var(--sans);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
  }

  /* ── LAYOUT ── */
  .wrapper {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 28px;
  }

  /* ── TOC ── */
  .toc-section {
    background: var(--white);
    border-bottom: 1px solid var(--rule);
    padding: 56px 0;
  }
  .toc-label {
    font-family: var(--sans);
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #888888;
    font-weight: 700;
    margin-bottom: 24px;
  }
  .toc-grid {
    columns: 2;
    column-gap: 40px;
    list-style: none;
  }
  @media (max-width: 560px) { .toc-grid { columns: 1; } }
  .toc-grid li {
    break-inside: avoid;
    margin-bottom: 10px;
    font-family: var(--sans);
    font-size: 0.82rem;
    line-height: 1.4;
  }
  .toc-grid a {
    color: #0D0D0D;
    text-decoration: none;
    display: flex;
    gap: 10px;
    align-items: baseline;
  }
  .toc-grid a:hover { text-decoration: underline; }
  .toc-num {
    font-family: var(--sans);
    font-size: 0.65rem;
    font-weight: 700;
    color: #888888;
    flex-shrink: 0;
    min-width: 28px;
  }

  /* ── BODY ── */
  .content {
    padding: 64px 0 80px;
  }

  /* sections */
  .section {
    margin-bottom: 72px;
    padding-top: 8px;
  }

  h1.section-title {
    font-family: var(--sans);
    font-size: 1.55rem;
    font-weight: 800;
    color: #0D0D0D;
    border-top: 3px solid #0D0D0D;
    padding-top: 20px;
    margin-bottom: 28px;
    line-height: 1.3;
  }
  h2.sub-title {
    font-family: var(--sans);
    font-size: 1.0rem;
    font-weight: 700;
    color: #0D0D0D;
    margin: 40px 0 16px;
    border-bottom: 1px solid #DEDEDE;
    padding-bottom: 8px;
    letter-spacing: -0.01em;
  }
  h3.sub-sub-title {
    font-family: var(--sans);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--mid);
    margin: 32px 0 12px;
  }

  p { margin-bottom: 1.2em; }
  p:last-child { margin-bottom: 0; }

  em { font-style: italic; }
  strong { font-weight: 700; }

  /* keystone callout */
  .keystone {
    background: #0D0D0D;
    color: #FFFFFF;
    border-radius: 0;
    padding: 28px 32px;
    margin: 36px 0;
    font-family: var(--sans);
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.65;
  }
  .keystone strong {
    font-weight: 800;
    color: #FF5A1F;
  }

  /* pull quote */
  .pull {
    border-left: 4px solid #FF5A1F;
    padding: 4px 0 4px 24px;
    margin: 32px 0;
    font-family: var(--sans);
    font-style: italic;
    font-size: 1.0rem;
    color: #555555;
    line-height: 1.6;
  }

  /* notice box */
  .notice {
    background: #F5F5F5;
    border: 1px solid #DEDEDE;
    border-left: 4px solid #0D0D0D;
    border-radius: 0;
    padding: 20px 24px;
    margin: 28px 0;
    font-family: var(--sans);
    font-size: 0.85rem;
    line-height: 1.6;
    color: #0D0D0D;
  }
  .notice strong { font-weight: 700; }

  /* lists */
  ul, ol {
    padding-left: 24px;
    margin-bottom: 1.2em;
  }
  li { margin-bottom: 0.5em; line-height: 1.65; }

  /* table */
  .table-wrap { overflow-x: auto; margin: 28px 0; }
  table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--sans);
    font-size: 0.82rem;
    line-height: 1.5;
  }
  thead th {
    background: #0D0D0D;
    color: #FFFFFF;
    padding: 10px 14px;
    text-align: left;
    font-weight: 700;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
    text-transform: uppercase;
  }
  tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--rule);
    vertical-align: top;
  }
  tbody tr:nth-child(even) td { background: #F5F5F5; }
  .tier-1 { font-family: var(--sans); font-size: 0.72rem; color: #FF5A1F; font-weight: 700; letter-spacing: 0.05em; }
  .tier-2 { font-family: var(--sans); font-size: 0.72rem; color: #888888; }

  /* layer badge */
  .layer-badge {
    display: inline-block;
    font-family: var(--sans);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: #0D0D0D;
    color: #FFFFFF;
    border-radius: 0;
    padding: 2px 8px;
    margin-right: 8px;
    vertical-align: middle;
    font-weight: 700;
  }

  /* failure mode */
  .failure-mode {
    background: rgba(255,90,31,0.05);
    border: 1px solid rgba(255,90,31,0.3);
    border-left: 4px solid #FF5A1F;
    border-radius: 0;
    padding: 16px 20px;
    margin: 20px 0;
    font-size: 0.9rem;
    line-height: 1.6;
  }
  .failure-mode strong { color: #FF5A1F; }

  /* ── ENDNOTE REFS ── */
  sup.endnote-ref {
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 500;
    vertical-align: super;
    line-height: 0;
  }
  sup.endnote-ref a {
    color: #FF5A1F;
    text-decoration: none;
    background: rgba(255,90,31,0.1);
    border-radius: 0;
    padding: 1px 3px;
  }
  sup.endnote-ref a:hover { background: #FF5A1F; color: #FFFFFF; }

  /* ── ENDNOTES SECTION ── */
  .endnotes-section {
    border-top: 3px solid #0D0D0D;
    padding-top: 48px;
    margin-top: 80px;
  }
  .endnotes-title {
    font-family: var(--sans);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #888888;
    font-weight: 700;
    margin-bottom: 32px;
  }
  .endnote-item {
    display: flex;
    gap: 16px;
    margin-bottom: 18px;
    font-size: 0.82rem;
    line-height: 1.6;
    font-family: var(--sans);
    color: var(--mid);
  }
  .endnote-num {
    font-family: var(--sans);
    font-size: 0.7rem;
    font-weight: 700;
    color: #FF5A1F;
    flex-shrink: 0;
    min-width: 28px;
    padding-top: 2px;
  }
  .endnote-num a {
    color: #FF5A1F;
    text-decoration: none;
  }
  .endnote-num a:hover { text-decoration: underline; }
  .endnote-body { flex: 1; }
  .endnote-body a { color: #FF5A1F; word-break: break-all; }

  /* ── FOOTER ── */
  .doc-footer {
    background: #0D0D0D;
    color: rgba(255,255,255,0.5);
    padding: 40px;
    text-align: center;
    font-family: var(--sans);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 80px;
  }
  .doc-footer strong { color: rgba(255,255,255,0.85); }

  /* ══ DIAGRAM SYSTEM ══ */
  /* Three Rooms */
  .diag-three-rooms { border: 2px solid #0D0D0D; margin: 28px 0; font-family: var(--sans); overflow: hidden; }
  .dtr-header { background: #0D0D0D; color: #fff; padding: 8px 16px; display: flex; justify-content: space-between; font-size: 0.6rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; }
  .dtr-rooms { display: grid; grid-template-columns: 1fr 1fr 1fr; }
  .dtr-room { padding: 14px 16px; border-right: 1px solid #DEDEDE; border-top: 3px solid #0D0D0D; }
  .dtr-room:last-child { border-right: none; }
  .dtr-room.active { background: rgba(255,90,31,.05); border-top-color: #FF5A1F; }
  .dtr-num { font-size: .55rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #888888; margin-bottom: 3px; }
  .dtr-room.active .dtr-num { color: #FF5A1F; }
  .dtr-name { font-size: .85rem; font-weight: 800; color: #0D0D0D; margin-bottom: 4px; letter-spacing: -.01em; }
  .dtr-desc { font-size: .7rem; color: #888888; line-height: 1.45; }
  .dtr-tag { font-size: .6rem; font-weight: 700; color: #888888; margin-top: 8px; }
  .dtr-tag span { color: #FF5A1F; }
  .dtr-foundation { background: #0D0D0D; padding: 12px 0; display: grid; grid-template-columns: 1fr 1fr 1fr; border-top: 3px solid #FF5A1F; }
  .dtr-foundation-label { grid-column: 1/-1; text-align: center; font-size: .55rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.3); margin-bottom: 8px; padding: 0 16px; }
  .dtr-pillar { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 0 8px; }
  .dtr-pillar-icon { font-size: 1.2rem; }
  .dtr-pillar-label { font-size: .62rem; font-weight: 700; color: #fff; letter-spacing: .06em; text-transform: uppercase; }
  .dtr-pillar-sub { font-size: .55rem; color: rgba(255,255,255,.4); text-align: center; }

  /* Recognition vs Selection */
  .diag-rec-sel { display: grid; grid-template-columns: 1fr 3px 1fr; border: 1.5px solid #DEDEDE; margin: 28px 0; font-family: var(--sans); }
  .drs-col { padding: 16px 18px; }
  .drs-col.right { background: rgba(255,90,31,.03); }
  .drs-divider { background: #DEDEDE; }
  .drs-head { font-size: .58rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: #888888; border-bottom: 2px solid #DEDEDE; padding-bottom: 7px; margin-bottom: 10px; }
  .drs-head.active { color: #FF5A1F; border-bottom-color: #FF5A1F; }
  .drs-title { font-size: .95rem; font-weight: 800; color: #0D0D0D; margin-bottom: 5px; }
  .drs-sub { font-size: .7rem; color: #888888; margin-bottom: 10px; line-height: 1.4; }
  .drs-item { display: flex; align-items: center; gap: 6px; font-size: .72rem; color: #888888; margin-bottom: 4px; line-height: 1.4; }
  .drs-item.active { color: #0D0D0D; font-weight: 600; }
  .drs-dot { width: 10px; height: 10px; border-radius: 50%; border: 1.5px solid #DEDEDE; flex-shrink: 0; }
  .drs-dot.active { background: #FF5A1F; border-color: #FF5A1F; }
  .drs-footer { margin-top: 10px; padding-top: 8px; border-top: 1px solid #DEDEDE; font-size: .68rem; font-style: italic; color: #888888; }
  .drs-footer.active { color: #FF5A1F; font-style: normal; font-weight: 700; }
  .diag-journey { display: flex; align-items: center; padding: 10px 0; border-top: 1px solid #DEDEDE; border-bottom: 1px solid #DEDEDE; margin: 0 0 12px; font-family: var(--sans); }
  .dj-item { display: flex; flex-direction: column; align-items: center; gap: 3px; flex: 1; }
  .dj-dot { width: 22px; height: 22px; border-radius: 50%; background: #DEDEDE; display: flex; align-items: center; justify-content: center; }
  .dj-dot.active { background: #FF5A1F; }
  .dj-label { font-size: .55rem; font-weight: 600; color: #888888; text-align: center; letter-spacing: .04em; font-family: var(--sans); }
  .dj-label.active { color: #FF5A1F; }
  .dj-arr { color: #DEDEDE; font-size: .9rem; flex-shrink: 0; }
  .dj-arr.active { color: #FF5A1F; }

  /* Layer Stack */
  .diag-layer-stack { margin: 28px 0; font-family: var(--sans); }
  .dls-header { font-size: .6rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #888888; margin-bottom: 8px; }
  .dls-row { display: grid; grid-template-columns: 36px 1fr 160px; align-items: center; margin-bottom: 3px; }
  .dls-num { font-size: .95rem; font-weight: 900; color: #ccc; text-align: right; padding-right: 8px; }
  .dls-row.l5 .dls-num { color: #FF5A1F; font-size: 1.1rem; }
  .dls-bar { height: 28px; }
  .dls-bar-inner { height: 100%; display: flex; align-items: center; padding: 0 12px; font-size: .72rem; font-weight: 700; color: #fff; }
  .dls-row.l0 .dls-bar-inner { background: #1a1a1a; }
  .dls-row.l1 .dls-bar-inner { background: #252525; }
  .dls-row.l2 .dls-bar-inner { background: #333; }
  .dls-row.l3 .dls-bar-inner { background: #444; }
  .dls-row.l4 .dls-bar-inner { background: #555; }
  .dls-row.l5 .dls-bar-inner { background: #FF5A1F; }
  .dls-row.l6 .dls-bar-inner { background: #555; }
  .dls-row.l7 .dls-bar-inner { background: #444; }
  .dls-desc { font-size: .68rem; color: #888888; padding-left: 10px; line-height: 1.35; }
  .dls-footer { margin-top: 6px; padding: 8px 12px; background: #F5F5F5; border-left: 4px solid #FF5A1F; font-size: .72rem; font-weight: 700; color: #0D0D0D; font-family: var(--sans); }

  /* Layer 0 Three Conditions */
  .diag-l0-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; margin: 20px 0; font-family: var(--sans); }
  .dl0-card { border: 1px solid #DEDEDE; padding: 14px; }
  .dl0-card.hl { border-color: #FF5A1F; }
  .dl0-badge { font-size: .55rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #FF5A1F; margin-bottom: 6px; }
  .dl0-q { font-size: .75rem; font-weight: 700; color: #0D0D0D; margin-bottom: 6px; line-height: 1.3; }
  .dl0-items { list-style: none; }
  .dl0-items li { font-size: .68rem; color: #888888; line-height: 1.45; padding-left: 10px; position: relative; margin-bottom: 2px; }
  .dl0-items li::before { content: '·'; position: absolute; left: 2px; color: #FF5A1F; font-weight: 900; }
  .diag-l0-eq { background: #0D0D0D; padding: 10px 16px; margin: 10px 0 20px; display: flex; align-items: center; gap: 0; font-family: var(--sans); }
  .dl0-eq-label { font-size: .55rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: rgba(255,255,255,.35); margin-right: 14px; white-space: nowrap; }
  .dl0-eq-steps { display: flex; align-items: center; gap: 6px; flex: 1; flex-wrap: wrap; }
  .dl0-eq-step { font-size: .7rem; font-weight: 700; color: #fff; }
  .dl0-eq-arr { color: #FF5A1F; font-size: .85rem; font-weight: 900; }
  .dl0-eq-result { font-size: .62rem; font-weight: 700; color: #FF5A1F; border-left: 1px solid rgba(255,255,255,.2); padding-left: 10px; margin-left: 6px; line-height: 1.4; }

  /* Same URL / Different Doc */
  .diag-url-split { margin: 20px 0; border: 1.5px solid #DEDEDE; overflow: hidden; font-family: var(--sans); }
  .dus-bar { background: #0D0D0D; padding: 7px 14px; display: flex; justify-content: space-between; align-items: center; }
  .dus-bar-label { font-size: .52rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: rgba(255,255,255,.45); }
  .dus-bar-url { background: rgba(255,255,255,.1); border-radius: 3px; padding: 2px 8px; font-size: .58rem; color: rgba(255,255,255,.55); font-family: monospace; }
  .dus-cols { display: grid; grid-template-columns: 1fr 1fr; }
  .dus-col { padding: 14px; border-right: 1px solid #DEDEDE; }
  .dus-col:last-child { border-right: none; background: #f8f8f8; }
  .dus-line { height: 7px; background: #DEDEDE; border-radius: 2px; margin-bottom: 4px; }
  .dus-img-ph { background: #eee; height: 36px; display: flex; align-items: center; justify-content: center; font-size: .55rem; color: #bbb; margin: 4px 0; }
  .dus-empty { background: #f0f0f0; border: 1px solid #DEDEDE; padding: 10px 8px; font-size: .6rem; color: #aaa; font-family: monospace; line-height: 1.5; margin-bottom: 6px; }
  .dus-verdict { font-size: .68rem; font-weight: 700; color: #0D0D0D; }
  .dus-verdict.fail { color: #FF5A1F; }
  .dus-headline { text-align: center; padding: 12px 14px; border-top: 1px solid #DEDEDE; font-size: 1.05rem; font-weight: 900; letter-spacing: -.02em; color: #0D0D0D; font-family: var(--sans); }
  .dus-headline span { color: #FF5A1F; }
  .dus-sub { text-align: center; padding: 4px 14px 12px; font-size: .72rem; color: #888888; font-family: var(--sans); }
  .dus-sub em { color: #FF5A1F; font-style: normal; font-weight: 700; }

  /* Selection Failure Map */
  .diag-failure-map { margin: 28px 0; font-family: var(--sans); }
  .dfm-title { font-size: .6rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; color: #888888; margin-bottom: 10px; }
  .dfm-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-bottom: 10px; }
  .dfm-card { border: 1px solid #DEDEDE; padding: 10px 12px; }
  .dfm-card.warn { border-color: #FF5A1F; background: rgba(255,90,31,.04); }
  .dfm-badge { font-size: .52rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #FF5A1F; margin-bottom: 3px; }
  .dfm-name { font-size: .78rem; font-weight: 800; color: #0D0D0D; margin-bottom: 3px; }
  .dfm-def { font-size: .65rem; color: #888888; line-height: 1.4; }
  .dfm-footer { background: #0D0D0D; padding: 9px 14px; font-size: .72rem; font-weight: 700; color: #fff; line-height: 1.4; }
  .dfm-footer em { color: #FF5A1F; font-style: normal; }

  /* Field Study Donut + Score Table */
  .diag-field-study { margin: 20px 0; font-family: var(--sans); }
  .dfs-score-row { display: grid; grid-template-columns: 140px 1fr; gap: 16px; margin-bottom: 14px; }
  .dfs-score-panel { border: 1.5px solid #DEDEDE; padding: 14px; text-align: center; }
  .dfs-score-label { font-size: .55rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #888888; margin-bottom: 6px; }
  .dfs-meta { font-size: .65rem; color: #888888; line-height: 1.5; text-align: left; margin-top: 8px; }
  .dfs-meta strong { font-weight: 700; color: #0D0D0D; }
  .dfs-alert { background: rgba(255,90,31,.08); border-left: 3px solid #FF5A1F; padding: 5px 8px; margin-top: 8px; font-size: .62rem; font-weight: 700; color: #FF5A1F; text-align: left; }
  .dfs-findings { display: flex; flex-direction: column; gap: 6px; }
  .dfs-finding { border: 1px solid #DEDEDE; padding: 8px 10px; }
  .dfs-finding-sys { font-size: .52rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: #888888; margin-bottom: 3px; }
  .dfs-finding-text { font-size: .68rem; color: #0D0D0D; line-height: 1.4; }
  .dfs-finding-mode { font-size: .58rem; font-weight: 700; color: #FF5A1F; margin-top: 3px; }
  .dfs-finding-mode.good { color: #22c55e; }
  .dfs-score-table { width: 100%; border-collapse: collapse; font-size: .65rem; font-family: var(--sans); }
  .dfs-score-table th { background: #0D0D0D; color: #fff; padding: 5px 8px; text-align: left; font-weight: 700; font-size: .58rem; letter-spacing: .05em; }
  .dfs-score-table td { padding: 4px 8px; border-bottom: 1px solid #DEDEDE; vertical-align: middle; }
  .dfs-score-table tr:nth-child(even) td { background: #F5F5F5; }
  .dfs-bar { height: 5px; border-radius: 2px; display: inline-block; }
  .dfs-bar.green { background: #22c55e; }
  .dfs-bar.yellow { background: #f59e0b; }
  .dfs-bar.org { background: #FF5A1F; }
  .dfs-bar.red { background: #ef4444; }
  .dfs-legend { font-size: .58rem; color: #888888; margin-top: 5px; font-family: var(--sans); display: flex; gap: 12px; }


  /* ── EMBEDDED FIGURES ── */
  .fig-wrap {
    margin: 28px 0;
    text-align: center;
    page-break-inside: avoid;
  }
  .thesis-fig {
    max-width: 100%;
    width: 100%;
    height: auto;
    display: block;
  }
  .fig-caption {
    font-family: var(--sans);
    font-size: 0.62rem;
    color: var(--light);
    text-align: center;
    margin-top: 6px;
    font-style: italic;
    letter-spacing: 0.04em;
  }


  /* ── ADDITIONS CSS ── */
  .addition-new { /* no visual marker needed — clean insertion */ }

  .authority-table-wrap {
    margin: 20px 0 28px;
    border: 2px solid #0D0D0D;
    overflow: hidden;
    font-family: var(--sans);
  }
  .at-header {
    background: #0D0D0D;
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .at-title {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #FFFFFF;
  }
  .at-sub {
    font-size: 0.6rem;
    font-weight: 400;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.06em;
  }
  .authority-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
  }
  .authority-table thead th {
    background: #0D0D0D;
    color: #FFFFFF;
    padding: 8px 14px;
    text-align: left;
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-top: 1px solid rgba(255,255,255,0.12);
  }
  .authority-table tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid #DEDEDE;
    vertical-align: top;
    line-height: 1.55;
    color: #0D0D0D;
  }
  .authority-table tbody tr:nth-child(even) td {
    background: #F5F5F5;
  }
  .at-badge {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 2px 6px;
    margin-bottom: 3px;
  }
  .at-badge.det {
    background: #0D0D0D;
    color: #FFFFFF;
  }
  .at-badge.prob {
    background: #FF5A1F;
    color: #FFFFFF;
  }
  .at-type-sub {
    font-size: 0.65rem;
    color: #888888;
    display: block;
  }
  .at-note {
    padding: 8px 16px;
    font-size: 0.72rem;
    font-style: italic;
    color: #888888;
    border-top: 1px solid #DEDEDE;
    background: #F5F5F5;
    font-family: var(--sans);
  }

  /* ── PRINT ── */
  @media print {

    /* ── PAGE SETUP ── */
    @page {
      size: letter;
      margin: 0.85in 0.9in 0.85in 0.9in;
    }
    @page :first {
      margin: 0;
    }

    /* ── BASE ── */
    html { font-size: 10.5pt; }
    body {
      background: white !important;
      color: #0D0D0D !important;
      font-family: 'Inter', sans-serif !important;
      line-height: 1.65;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }

    /* ── COVER: full bleed black, no margin ── */
    .cover {
      background: #0D0D0D !important;
      color: white !important;
      padding: 96pt 72pt !important;
      min-height: 100vh;
      page-break-after: always;
      display: flex !important;
      flex-direction: column !important;
      justify-content: space-between !important;
    }
    .cover-eyebrow { color: rgba(255,255,255,0.55) !important; font-size: 7pt !important; }
    .cover-sub { color: rgba(255,255,255,0.7) !important; }
    .cover-meta { color: rgba(255,255,255,0.6) !important; }
    .cover-author { color: rgba(255,255,255,0.9) !important; }
    .cover-org { color: rgba(255,255,255,0.45) !important; }
    .cover-equation { font-size: 42pt !important; font-weight: 900 !important; }
    .cover-equation .neq { color: #FF5A1F !important; }

    /* ── TOC: own page ── */
    .toc-section {
      page-break-before: always;
      page-break-after: always;
      padding: 0 !important;
      background: white !important;
      border-bottom: none !important;
    }
    .toc-section .wrapper { max-width: 100% !important; padding: 0 !important; }
    .toc-label { font-size: 7pt !important; color: #888 !important; }
    .toc-grid { columns: 2 !important; font-size: 9pt !important; }
    .toc-grid a { color: #0D0D0D !important; }
    .toc-num { color: #888 !important; }

    /* ── WRAPPER / CONTENT ── */
    .wrapper { max-width: 100% !important; padding: 0 !important; }
    .content { padding: 0 !important; }

    /* ── SECTION TITLES: never orphan, always start cleanly ── */
    h1.section-title {
      color: #0D0D0D !important;
      border-top: 2.5pt solid #0D0D0D !important;
      font-size: 15pt !important;
      font-weight: 800 !important;
      padding-top: 14pt !important;
      margin-bottom: 16pt !important;
      page-break-after: avoid;
      break-after: avoid;
    }
    h2.sub-title {
      font-size: 10.5pt !important;
      font-weight: 700 !important;
      page-break-after: avoid;
      break-after: avoid;
      margin-top: 22pt !important;
      margin-bottom: 8pt !important;
    }
    h3.sub-sub-title {
      font-size: 8pt !important;
      page-break-after: avoid;
      break-after: avoid;
    }

    /* ── SECTIONS: break before each major section ── */
    .section {
      margin-bottom: 0 !important;
      padding-top: 0 !important;
    }
    /* Break before sections 3 onward — not 1 or 2 which follow cover/TOC naturally */
    #s3, #s4, #s5, #s6, #s7, #s8, #s9, #s10, #s11, #s12,
    #appendix-a, #appendix-b, #endnotes {
      page-break-before: always;
      break-before: always;
    }

    /* ── PARAGRAPHS: no orphans/widows ── */
    p {
      orphans: 3;
      widows: 3;
      margin-bottom: 0.8em !important;
    }
    p:last-child { margin-bottom: 0 !important; }

    /* ── KEYSTONE: keep together, print black correctly ── */
    .keystone {
      background: #0D0D0D !important;
      color: white !important;
      padding: 18pt 20pt !important;
      margin: 16pt 0 !important;
      page-break-inside: avoid;
      break-inside: avoid;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
    .keystone strong { color: #FF5A1F !important; font-weight: 800 !important; }

    /* ── PULL QUOTE ── */
    .pull {
      border-left: 3pt solid #FF5A1F !important;
      page-break-inside: avoid;
      break-inside: avoid;
      margin: 14pt 0 !important;
    }
    .pull em { color: #0D0D0D !important; }

    /* ── NOTICE BOXES ── */
    .notice {
      background: #F5F5F5 !important;
      border: 0.75pt solid #DEDEDE !important;
      border-left: 3pt solid #0D0D0D !important;
      color: #0D0D0D !important;
      padding: 12pt 14pt !important;
      margin: 12pt 0 !important;
      page-break-inside: avoid;
      break-inside: avoid;
    }
    .notice strong { font-weight: 700 !important; }

    /* ── FAILURE MODE BOXES ── */
    .failure-mode {
      background: rgba(255,90,31,0.05) !important;
      border-left: 3pt solid #FF5A1F !important;
      page-break-inside: avoid;
      break-inside: avoid;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
    .failure-mode strong { color: #FF5A1F !important; }

    /* ── LISTS ── */
    ul, ol { page-break-inside: avoid; break-inside: avoid; }
    li { orphans: 2; widows: 2; }

    /* ── TABLES ── */
    .table-wrap { page-break-inside: avoid; break-inside: avoid; overflow: visible !important; }
    table { font-size: 8pt !important; page-break-inside: avoid; break-inside: avoid; }
    thead { display: table-header-group; }
    thead th {
      background: #0D0D0D !important;
      color: white !important;
      font-size: 7pt !important;
      padding: 6pt 8pt !important;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
    tbody td { padding: 6pt 8pt !important; font-size: 8pt !important; }
    tbody tr:nth-child(even) td { background: #F5F5F5 !important; }
    .tier-1 { color: #FF5A1F !important; }

    /* ── LAYER BADGE ── */
    .layer-badge {
      background: #0D0D0D !important;
      color: white !important;
      font-size: 6.5pt !important;
      padding: 1.5pt 5pt !important;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }

    /* ── ENDNOTES ── */
    .endnotes-section {
      border-top: 2pt solid #0D0D0D !important;
      padding-top: 24pt !important;
      margin-top: 0 !important;
    }
    .endnotes-title {
      font-size: 7pt !important;
      letter-spacing: 0.18em !important;
      color: #888 !important;
      margin-bottom: 16pt !important;
    }
    .endnote-item {
      font-size: 7.5pt !important;
      line-height: 1.5 !important;
      margin-bottom: 10pt !important;
      padding-bottom: 8pt !important;
      border-bottom: 0.5pt solid #F5F5F5 !important;
      page-break-inside: avoid;
      break-inside: avoid;
    }
    .endnote-num {
      font-size: 7pt !important;
      color: #FF5A1F !important;
      font-weight: 700 !important;
      min-width: 22pt !important;
    }
    .endnote-num a { color: #FF5A1F !important; }
    .endnote-body { font-size: 7.5pt !important; color: #555 !important; }
    .endnote-body a { color: #0D0D0D !important; word-break: break-all; }
    sup.endnote-ref a {
      background: none !important;
      color: #FF5A1F !important;
      font-weight: 700 !important;
    }

    /* ── FIGURES: scale correctly, keep together ── */
    .fig-wrap {
      page-break-inside: avoid;
      break-inside: avoid;
      margin: 16pt 0 !important;
      text-align: center !important;
    }
    .thesis-fig {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }
    .fig-caption {
      font-size: 7pt !important;
      color: #888 !important;
      margin-top: 5pt !important;
      font-style: italic !important;
    }

    /* ── DIAGRAM SYSTEM: keep flat elements together ── */
    .diag-three-rooms,
    .diag-rec-sel,
    .diag-layer-stack,
    .diag-l0-grid,
    .diag-l0-eq,
    .diag-url-split,
    .diag-failure-map,
    .diag-field-study,
    .authority-table-wrap {
      page-break-inside: avoid;
      break-inside: avoid;
    }
    /* Diagram text sizes — legible at print scale */
    .dtr-name { font-size: 8pt !important; }
    .dtr-desc { font-size: 6.5pt !important; }
    .dtr-tag  { font-size: 5.5pt !important; }
    .dtr-pillar-label { font-size: 6pt !important; }
    .dtr-pillar-sub   { font-size: 5.5pt !important; }
    .drs-title { font-size: 9pt !important; }
    .drs-sub   { font-size: 6.5pt !important; }
    .drs-item  { font-size: 6.5pt !important; }
    .drs-footer { font-size: 6.5pt !important; }
    .dj-label  { font-size: 5pt !important; }
    .dls-bar-inner { font-size: 6.5pt !important; }
    .dls-desc  { font-size: 6pt !important; }
    .dl0-q     { font-size: 7pt !important; }
    .dl0-items li { font-size: 6.5pt !important; }
    .dl0-eq-step   { font-size: 6.5pt !important; }
    .dl0-eq-result { font-size: 6pt !important; }
    .dus-headline { font-size: 10pt !important; }
    .dus-sub   { font-size: 6.5pt !important; }
    .dfm-name  { font-size: 7.5pt !important; }
    .dfm-def   { font-size: 6pt !important; }
    .dfm-footer { font-size: 6.5pt !important; }
    .dfs-finding-text { font-size: 6.5pt !important; }
    .dfs-score-table  { font-size: 7pt !important; }
    /* Diagram color enforcement */
    .dtr-room.active { background: rgba(255,90,31,.05) !important; border-top-color: #FF5A1F !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dtr-foundation   { background: #0D0D0D !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .diag-l0-eq       { background: #0D0D0D !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dfm-footer       { background: #0D0D0D !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dfm-card.warn    { background: rgba(255,90,31,.04) !important; border-color: #FF5A1F !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .at-header        { background: #0D0D0D !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .authority-table thead th { background: #0D0D0D !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .at-badge.det  { background: #0D0D0D !important; color: white !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .at-badge.prob { background: #FF5A1F !important; color: white !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-row.l0 .dls-bar-inner { background: #1a1a1a !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-row.l1 .dls-bar-inner { background: #252525 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-row.l2 .dls-bar-inner { background: #333 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-row.l3 .dls-bar-inner { background: #444 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-row.l4 .dls-bar-inner { background: #555 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-row.l5 .dls-bar-inner { background: #FF5A1F !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-row.l6 .dls-bar-inner { background: #555 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-row.l7 .dls-bar-inner { background: #444 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .dls-footer { background: #F5F5F5 !important; border-left: 3pt solid #FF5A1F !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }

    /* ── DOC FOOTER ── */
    .doc-footer {
      background: #0D0D0D !important;
      color: rgba(255,255,255,0.5) !important;
      font-size: 6.5pt !important;
      padding: 20pt !important;
      margin-top: 32pt !important;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }
    .doc-footer strong { color: rgba(255,255,255,0.85) !important; }

    /* ── GLOSSARY ── */
    .gloss-entry {
      page-break-inside: avoid;
      break-inside: avoid;
    }
    .gloss-adj {
      border-left: 2pt solid #FF5A1F !important;
      -webkit-print-color-adjust: exact;
      print-color-adjust: exact;
    }

    /* ── LINKS: no underlines, black ── */
    a { color: #0D0D0D !important; text-decoration: none !important; }
    .toc-grid a { color: #0D0D0D !important; }

    /* ── HIDE screen-only chrome ── */
    @page { margin: 0.85in 0.9in; }
  }


  /* Breadcrumb and series nav */
  .art-breadcrumb {font-size:.68rem;color:#888888;padding:14px 0;border-bottom:1px solid #DEDEDE;margin-bottom:0}
  .art-breadcrumb a {color:#FF5A1F;text-decoration:none}.art-breadcrumb a:hover {text-decoration:underline}
  .art-breadcrumb span {color:#CCCCCC;margin:0 4px}
  .b2ai-nav {background:#F5F5F5;border-top:1px solid #DEDEDE;border-bottom:1px solid #DEDEDE;padding:14px 0;margin-bottom:0}
  .bn-inner {max-width:720px;margin:0 auto;padding:0 28px;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
  .bn-label {font-size:.58rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:#888888;flex-shrink:0}
  .bn-link {font-size:.72rem;font-weight:600;color:#888888;text-decoration:none;padding:4px 10px;border:1px solid #DEDEDE;background:#fff}
  .bn-link:hover {color:#0D0D0D;border-color:#0D0D0D}
  .bn-link.current {background:#0D0D0D;color:#fff;border-color:#0D0D0D}
  /* Assumption item — reused from role-lock */
  .assumption-item {display:flex;gap:16px;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid #DEDEDE}
  .assumption-item:last-child {border-bottom:none;margin-bottom:0;padding-bottom:0}
  .ai-num {font-size:1.1rem;font-weight:900;color:#DEDEDE;flex-shrink:0;min-width:28px;line-height:1.3}

  /* ===== TOP NAV + MOBILE MENU (injected to match site pages) ===== */
  .td-nav{background:#fff;border-bottom:1px solid #DEDEDE;position:sticky;top:0;z-index:100}
  .td-nav-inner{max-width:1080px;margin:0 auto;padding:0 28px;height:56px;display:flex;align-items:center;justify-content:space-between}
  .td-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#0D0D0D}
  .td-logo-wm{font-size:1rem;font-weight:700;letter-spacing:-0.02em}
  .td-nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0}
  .td-nav-links li{margin:0;padding:0}
  .td-nav-links a{font-size:0.75rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:#555;text-decoration:none;transition:color .15s}
  .td-nav-links a:hover,.td-nav-links a.active{color:#0D0D0D}
  .td-nav-links a.active{border-bottom:2px solid #FF5A1F;padding-bottom:2px}
  .td-hbg{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
  .td-hbg span{display:block;width:22px;height:2px;background:#0D0D0D}
  .td-mob{display:none;background:#fff;border-top:1px solid #DEDEDE;padding:8px 0 20px}
  .td-mob.open{display:block}
  .td-mob a{display:block;padding:16px 28px;font-size:1.05rem;font-weight:700;color:#0D0D0D;text-decoration:none;border-bottom:1px solid #DEDEDE}
  .td-mob a:hover{color:#FF5A1F}
  .td-mob-ft{padding:20px 28px 0;font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:#FF5A1F;font-weight:700}
  @media(max-width:640px){.td-nav-links{display:none}.td-hbg{display:flex}}



/* ---- HUB / PAPER-CARD COMPONENTS ---- */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
:root{--ink:#0D0D0D;--mid:#555;--light:#888;--rule:#DEDEDE;--orange:#FF5A1F;--bg:#fff;--gray:#F5F5F5;--offbg:#F0F0F0;--sans:'Inter',system-ui,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:17px;scroll-behavior:smooth}
body{font-family:var(--sans);font-weight:400;color:var(--ink);background:var(--offbg);line-height:1.75}
.td-nav{background:#fff;border-bottom:1px solid var(--rule);position:sticky;top:0;z-index:100}
.td-nav-inner{max-width:1080px;margin:0 auto;padding:0 28px;height:56px;display:flex;align-items:center;justify-content:space-between}
.td-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.td-logo-wm{font-size:1rem;font-weight:700;letter-spacing:-0.02em}
.td-nav-links{display:flex;gap:28px;list-style:none}
.td-nav-links a{font-size:0.75rem;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--mid);text-decoration:none;transition:color .15s}
.td-nav-links a:hover,.td-nav-links a.active{color:var(--ink)}
.td-nav-links a.active{border-bottom:2px solid var(--orange);padding-bottom:2px}
.td-hbg{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:4px}
.td-hbg span{display:block;width:22px;height:2px;background:var(--ink)}
.td-mob{display:none;background:#fff;border-top:1px solid var(--rule);padding:8px 0 20px}
.td-mob.open{display:block}
.td-mob a{display:block;padding:16px 28px;font-size:1.05rem;font-weight:700;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule)}
.td-mob a:hover{color:var(--orange)}
.td-mob-ft{padding:20px 28px 0;font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);font-weight:700}
@media(max-width:640px){.td-nav-links{display:none}.td-hbg{display:flex}}
.w{max-width:720px;margin:0 auto;padding:0 28px}
.hero{background:var(--ink);color:#fff;padding:80px 28px 72px}
.hero-ey{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.38);margin-bottom:22px}
.hero h1{font-size:clamp(2.1rem,6.5vw,3.8rem);font-weight:300;line-height:1.08;letter-spacing:-0.02em;max-width:680px;margin-bottom:22px}
.hero h1 em{color:#FF5A1F;font-style:italic}
.hero-sub{font-size:.92rem;font-weight:300;color:rgba(255,255,255,.6);max-width:500px;line-height:1.65;margin-bottom:36px}
.sec{background:#fff;padding:64px 0;border-bottom:1px solid var(--rule)}
.sec-g{background:var(--gray);padding:64px 0;border-bottom:1px solid var(--rule)}
.sec-d{background:var(--ink);padding:72px 28px}
h2{font-size:clamp(1.5rem,3.8vw,2.2rem);font-weight:300;line-height:1.15;letter-spacing:-0.02em;margin-bottom:18px;color:var(--ink)}
h2 em{color:#FF5A1F;font-style:italic}
h3{font-size:.97rem;font-weight:700;letter-spacing:-0.01em;margin-bottom:9px;color:var(--ink)}
p{font-size:.89rem;color:var(--mid);line-height:1.75;margin-bottom:14px}
p:last-child{margin-bottom:0}
.eyd{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--light);margin-bottom:11px}
.ey{font-size:.6rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#FF5A1F;margin-bottom:14px}
.btn{display:inline-block;padding:11px 22px;font-size:.73rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;cursor:pointer;border:none;font-family:var(--sans)}
.btn-d{background:var(--ink);color:#fff}.btn-d:hover{background:#222}
.btn-or{background:#FF5A1F;color:#fff}.btn-or:hover{background:#e04d17}
.btn-ol{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}.btn-ol:hover{background:var(--ink);color:#fff}
.btn-ow{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3)}.btn-ow:hover{border-color:#fff}
.badge{display:inline-block;padding:2px 8px;font-size:.56rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--rule);color:var(--mid);margin-bottom:9px}
.bor{border-color:#FF5A1F;color:#FF5A1F}
.fl{display:flex;gap:14px;flex-wrap:wrap}
.mt16{margin-top:16px}.mt28{margin-top:28px}.mt48{margin-top:48px}
.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}
.rule{border:none;border-top:1px solid var(--rule);margin:36px 0}
.paper-card{border:1px solid var(--rule);background:#fff;padding:28px 28px 24px;margin-bottom:2px;text-decoration:none;display:block;color:inherit}
.paper-card:hover{border-color:#FF5A1F}
.pc-num{font-size:.58rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#FF5A1F;margin-bottom:10px}
.pc-title{font-size:1.18rem;font-weight:700;color:var(--ink);line-height:1.3;margin-bottom:8px;letter-spacing:-0.01em}
.pc-desc{font-size:.83rem;color:var(--mid);line-height:1.68;margin-bottom:14px}
.pc-meta{font-size:.65rem;color:var(--light)}
.pc-cta{font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-top:12px}
.breadcrumb{font-size:.68rem;color:var(--light);padding:14px 28px;max-width:720px;margin:0 auto}
.breadcrumb a{color:#FF5A1F;text-decoration:none}.breadcrumb a:hover{text-decoration:underline}
.td-foot{background:var(--ink);color:rgba(255,255,255,.48);padding:52px 28px 36px}
.td-foot-in{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr 1fr;gap:36px}
@media(max-width:640px){.td-foot-in{grid-template-columns:1fr;gap:24px}}
.td-foot-lbl{font-size:.58rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.2);margin-bottom:12px}
.td-foot a{display:block;font-size:.79rem;color:rgba(255,255,255,.48);text-decoration:none;margin-bottom:7px}
.td-foot a:hover{color:#fff}
.td-foot-bot{max-width:1080px;margin:32px auto 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.td-foot-bl{font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:#FF5A1F;font-weight:700}
.td-foot-br{font-size:.6rem;color:rgba(255,255,255,.2)}

/* ---- Footer legal links (added for Privacy/Terms) ---- */
.td-foot-legal{font-size:.6rem;color:rgba(255,255,255,.35)}
.td-foot-legal a{color:rgba(255,255,255,.5);text-decoration:none}
.td-foot-legal a:hover{color:#FF5A1F}