:root{
    --ink:#1B1712;
    --ink-soft:#241F19;
    --paper:#F1E9D8;
    --paper-dim:#E3D8C0;
    --brick:#B4392C;
    --brick-dark:#8A2B21;
    --build-orange:#E87524;
    --chalk:#F0B429;
    --teal:#3F5359;
    --line: rgba(241,233,216,0.16);
    --line-dark: rgba(27,23,18,0.14);
    --max: 1120px;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:'Public Sans', sans-serif;
    font-size:17px;
    line-height:1.55;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3{
    font-family:'Anton', sans-serif;
    font-weight:400;
    text-transform:uppercase;
    letter-spacing:0.01em;
    margin:0;
  }
  .mono{
    font-family:'IBM Plex Mono', monospace;
  }
  .eyebrow{
    font-family:'IBM Plex Mono', monospace;
    text-transform:uppercase;
    letter-spacing:0.14em;
    font-size:12.5px;
    font-weight:600;
    color:var(--brick);
  }
  .eyebrow.on-dark{ color:var(--build-orange); }
  .hero-kicker{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:5px 10px;
    line-height:1.55;
  }
  .hero-kicker-detail{ white-space:nowrap; }
  .hero-kicker-detail::before{ content:"·"; margin-right:10px; }
  @media (max-width:560px){
    .hero-kicker{ display:block; max-width:34ch; }
    .hero-kicker-detail{ display:block; margin-top:3px; }
    .hero-kicker-detail::before{ content:none; }
  }
  a{color:inherit;}
  .wrap{max-width:var(--max); margin:0 auto; padding:0 28px;}
  img{max-width:100%;display:block;}

  /* subtle blueprint dot grid */
  .grid-bg{
    background-image: radial-gradient(var(--line-dark) 1px, transparent 1px);
    background-size: 22px 22px;
  }
  .grid-bg.dark{
    background-image: radial-gradient(var(--line) 1px, transparent 1px);
  }

  /* ---------- NAV ---------- */
  header.site{
    position:sticky; top:0; z-index:50;
    background:var(--ink);
    border-bottom:3px solid var(--brick);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:14px 28px; max-width:var(--max); margin:0 auto;
  }
  .nav-brand{
    display:flex; align-items:center; gap:10px;
    color:var(--paper); text-decoration:none;
  }
  .nav-brand .brand-mark{ width:42px; height:35px; object-fit:contain; flex:0 0 auto; }
  .nav-brand span{font-family:'Anton',sans-serif; font-size:17px; letter-spacing:0.02em;}
  .nav-links{display:flex; align-items:center; gap:26px;}
  .nav-links a{
    color:var(--paper-dim); text-decoration:none; font-size:14px;
    font-family:'IBM Plex Mono',monospace; letter-spacing:0.02em;
  }
  .nav-links a:hover{color:var(--build-orange);}
  .btn{
    display:inline-flex; align-items:center; gap:8px;
    font-family:'IBM Plex Mono', monospace;
    font-weight:600; font-size:14px; letter-spacing:0.03em;
    text-decoration:none; text-transform:uppercase;
    padding:12px 22px; border:2px solid var(--ink);
    background:var(--brick); color:var(--paper);
    border-color:var(--brick);
    transition:transform .15s ease, box-shadow .15s ease;
    box-shadow:4px 4px 0 var(--ink);
  }
  .btn:hover{ transform:translate(-2px,-2px); box-shadow:6px 6px 0 var(--ink); }
  .btn:focus-visible{ outline:3px solid var(--chalk); outline-offset:3px; }
  .btn.small{ padding:9px 16px; font-size:12.5px; box-shadow:3px 3px 0 var(--ink); }
  .btn.ghost{
    background:transparent; color:var(--paper); border-color:var(--paper);
    box-shadow:none;
  }
  .btn.ghost:hover{ background:var(--paper); color:var(--ink); transform:none; }

  /* ---------- HERO ---------- */
  .hero.grid-bg.dark{
    background:var(--ink); color:var(--paper);
    background-image:linear-gradient(rgba(24,21,17,.91),rgba(24,21,17,.94)),url('assets/hero/knoxville-skyline-2024.jpg');
    background-size:cover,cover;
    background-position:center,center;
    padding:64px 0 56px;
    position:relative; overflow:hidden;
  }
  .hero-grid{
    display:grid; grid-template-columns: 1.15fr 0.85fr; gap:48px;
    align-items:start;
  }
  .hero h1{
    color:var(--paper);
    font-size:clamp(42px, 6.2vw, 78px);
    line-height:0.98;
    margin:14px 0 20px;
  }
  .hero h1 em{ font-style:normal; color:var(--build-orange); }
  .hero p.lede{
    font-size:19px; max-width:46ch; color:var(--paper-dim);
    margin-bottom:28px;
  }
  .campaign-callout{ max-width:48ch; border-left:3px solid var(--build-orange); padding-left:14px; color:var(--paper-dim); font-size:14px; }
  .campaign-callout strong{ color:var(--build-orange); font-family:'IBM Plex Mono',monospace; }
  .cant-word{ color:var(--brick); font-style:italic; font-weight:700; }
  .cant-gap{ display:inline-block; margin-right:.18em; }
  blockquote .cant-word{ color:#e86759; }
  .hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; align-items:center; }
  .hero-credit{
    position:absolute; right:18px; bottom:8px; margin:0;
    color:#817a70; font:400 10px 'IBM Plex Mono',monospace;
  }
  .hero-credit a{ color:#9b9387; }

  /* stamp signature element */
  .stamp-block{
    display:flex; flex-direction:column; align-items:flex-start; gap:22px;
  }
  .cant-stamp{
    position:relative;
    display:inline-block;
    font-family:'Anton',sans-serif;
    font-size:clamp(46px, 7vw, 74px);
    color:transparent;
    -webkit-text-stroke: 2px var(--paper-dim);
    text-stroke: 2px var(--paper-dim);
    letter-spacing:0.01em;
    line-height:1;
    transform:rotate(-5deg);
    user-select:none;
  }
  .cant-stamp::after{
    content:"";
    position:absolute;
    left:-8%; right:-8%; top:47%;
    height:8px;
    background:var(--brick);
    transform:rotate(-3deg);
    box-shadow:0 0 0 1px var(--brick-dark);
  }
  .cant-caption{
    font-family:'IBM Plex Mono',monospace; color:var(--build-orange);
    font-size:13px; letter-spacing:0.05em; max-width:32ch;
  }

  .ticket{
    background:var(--paper); color:var(--ink);
    border:2px dashed var(--ink);
    padding:22px 22px 20px;
    position:relative;
    width:100%;
  }
  .ticket::before, .ticket::after{
    content:""; position:absolute; width:20px; height:20px;
    background:var(--ink); border-radius:50%;
    top:50%; transform:translateY(-50%);
  }
  .ticket::before{ left:-10px; }
  .ticket::after{ right:-10px; }
  .ticket .free{
    position:absolute; top:-14px; right:18px;
    background:var(--build-orange); color:var(--ink);
    font-family:'IBM Plex Mono',monospace; font-weight:700;
    font-size:12px; letter-spacing:0.08em;
    padding:5px 10px; transform:rotate(4deg);
    border:2px solid var(--ink);
  }
  .ticket dl{ margin:0; display:grid; gap:11px; }
  .ticket .row{ display:grid; grid-template-columns:88px 1fr; gap:10px; align-items:baseline; }
  .ticket dt{ font-family:'IBM Plex Mono',monospace; font-size:11.5px; text-transform:uppercase; letter-spacing:0.08em; color:var(--teal); }
  .ticket dd{ margin:0; font-weight:600; font-size:15.5px; }
  .ticket hr{ border:none; border-top:1px dashed var(--ink); margin:14px 0; }

  @media (max-width:860px){
    .hero-grid{ grid-template-columns:1fr; }
    .hero-ctas{ justify-content:center; }
    .stamp-block{ align-items:center; }
    .stamp-block > div:first-child{ text-align:center; }
    .cant-caption{ margin-left:auto; margin-right:auto; }
    .hero-credit{ left:20px; right:20px; text-align:center; }
  }

  /* ---------- SECTIONS ---------- */
  section{ padding:74px 0; }
  section.alt{ background:var(--paper-dim); }
  .section-head{ max-width:none; margin-bottom:38px; }
  .section-head h2{ font-size:clamp(30px,4vw,44px); margin-top:10px; }
  .section-head p{ font-size:17px; color:#3a332a; margin-top:14px; }

  /* who it's for */
  .fit-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
  .fit-card{
    background:var(--paper); border:1.5px solid var(--ink);
    padding:22px 22px 20px; position:relative;
  }
  .fit-card .tag{
    font-family:'IBM Plex Mono',monospace; font-size:11px; text-transform:uppercase;
    letter-spacing:0.08em; color:var(--brick); font-weight:600; margin-bottom:10px; display:block;
  }
  .fit-card h3{ font-family:'Public Sans',sans-serif; font-weight:800; font-size:16.5px; text-transform:none; margin-bottom:10px; }
  .fit-card p{ margin:0; font-size:15px; color:#403829; }
  .fit-card .arrow{ color:var(--teal); font-family:'IBM Plex Mono',monospace; font-size:13px; margin:8px 0; display:block; }
  @media (max-width:720px){ .fit-grid{ grid-template-columns:1fr; } }

  /* project tags */
  .project-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
  .tag-card{
    background:var(--ink); color:var(--paper);
    padding:22px 18px 20px;
    border-top:5px solid var(--build-orange);
    min-height:150px;
    display:flex; flex-direction:column; justify-content:space-between;
  }
  .tag-card .icon{ font-size:26px; margin-bottom:14px; }
  .tag-card h3{ font-family:'Public Sans',sans-serif; text-transform:none; font-weight:800; font-size:16px; margin-bottom:6px; }
  .tag-card p{ margin:0; font-size:13.5px; color:var(--paper-dim); }
  .tag-card.wild{ border-top-color:var(--brick); }
  .build-promise{ margin-top:22px; padding:20px 22px; border:2px solid var(--ink); background:var(--paper); display:grid; gap:6px; }
  .build-promise strong{ color:var(--brick-dark); font-size:18px; }
  .build-promise span{ font-size:15px; color:#403829; }
  .build-promise b{ margin-top:5px; font:600 12px 'IBM Plex Mono',monospace; text-transform:uppercase; letter-spacing:.04em; }
  @media (max-width:860px){ .project-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:560px){ .project-grid{ grid-template-columns:1fr; } }

  /* vibe / quote */
  .vibe{ display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:center; }
  blockquote{
    margin:0; border-left:4px solid var(--brick); padding-left:26px;
    font-family:'Anton',sans-serif; text-transform:none; font-weight:400;
    font-size:clamp(22px,2.6vw,30px); line-height:1.28; color:var(--ink);
  }
  blockquote .who{ font-family:'IBM Plex Mono',monospace; font-size:13px; text-transform:uppercase; letter-spacing:0.06em; color:var(--teal); display:block; margin-top:18px; }
  .vibe-copy p{ margin:0 0 16px; color:#3a332a; }
  @media (max-width:860px){ .vibe{ grid-template-columns:1fr; gap:32px; } }

  /* bring / checklist */
  .bring-list{ list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr; gap:12px; max-width:64ch; }
  .bring-list li{
    display:flex; gap:14px; align-items:flex-start;
    font-size:16px; padding-bottom:12px; border-bottom:1px solid var(--line-dark);
  }
  .bring-list li::before{
    content:"☐"; font-size:19px; color:var(--brick); line-height:1.2; flex-shrink:0;
  }
  .bring-list strong{ font-weight:700; }

  /* schedule manifest */
  table.manifest{ width:100%; border-collapse:collapse; }
  table.manifest th{
    text-align:left; font-family:'IBM Plex Mono',monospace; text-transform:uppercase;
    font-size:11.5px; letter-spacing:0.08em; color:var(--teal);
    padding:0 0 12px; border-bottom:2px solid var(--ink);
  }
  table.manifest td{
    padding:16px 14px 16px 0; border-bottom:1px solid var(--line-dark); vertical-align:top;
  }
  table.manifest tr:last-child td{ border-bottom:2px solid var(--ink); }
  table.manifest td.time{ font-family:'IBM Plex Mono',monospace; font-weight:600; white-space:nowrap; width:150px; color:var(--brick-dark); }
  table.manifest td.what{ font-weight:600; }
  table.manifest td.detail{ color:#4a4237; font-size:15px; }

  /* location */
  .loc-grid{ display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:stretch; }
  .loc-card{ background:var(--ink); color:var(--paper); padding:30px 28px; }
  .loc-card h3{ font-family:'Public Sans',sans-serif; text-transform:none; font-weight:800; font-size:19px; margin-bottom:6px; }
  .loc-card .addr{ font-family:'IBM Plex Mono',monospace; color:var(--build-orange); font-size:15px; margin-bottom:20px; }
  .loc-facts{ display:grid; gap:14px; }
  .loc-facts div{ font-size:14.5px; color:var(--paper-dim); }
  .loc-facts b{ color:var(--paper); display:block; font-family:'IBM Plex Mono',monospace; font-size:11px; text-transform:uppercase; letter-spacing:0.06em; margin-bottom:3px; }
  .map-plate{
    border:2px solid var(--ink); background:var(--paper-dim);
    display:block; min-height:250px; height:100%; overflow:hidden; cursor:pointer;
  }
  .map-plate iframe{ display:block; width:100%; height:100%; min-height:250px; border:0; pointer-events:none; }
  .map-plate:focus-visible{ outline:4px solid var(--chalk); outline-offset:3px; }
  @media (max-width:860px){ .loc-grid{ grid-template-columns:1fr; } .map-plate{ height:300px; } }

  /* hosts */
  .host-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
  .host-card{ border:1.5px solid var(--ink); padding:26px; background:var(--paper); }
  .host-logo{ display:flex; align-items:center; width:fit-content; height:68px; margin:0 0 20px; }
  .host-logo img{ display:block; width:auto; height:auto; max-width:210px; max-height:64px; }
  .host-logo-cgi img{ max-width:130px; max-height:72px; }
  .host-logo-121 img{ max-width:210px; }
  .host-logo:focus-visible{ outline:3px solid var(--brick); outline-offset:5px; }
  .host-card .eyebrow{ margin-bottom:10px; }
  .host-card p{ margin:0; color:#403829; font-size:15.5px; }
  @media (max-width:720px){ .host-grid{ grid-template-columns:1fr; } }

  /* fine print */
  .notes-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
  .note{ font-size:13.8px; color:#4a4237; border-top:2px solid var(--ink); padding-top:12px; }
  .note b{ display:block; color:var(--ink); margin-bottom:6px; font-size:14.5px; }
  @media (max-width:860px){ .notes-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:520px){ .notes-grid{ grid-template-columns:1fr; } }

  /* footer CTA */
  .cta-band{
    background:var(--brick); color:var(--paper); text-align:center; padding:70px 0;
  }
  .cta-band h2{ color:var(--paper); font-size:clamp(30px,5vw,54px); margin-bottom:14px;}
  .cta-band p{ color:#f6e4df; max-width:50ch; margin:0 auto 28px; font-size:16.5px; }
  .cta-band .btn{ background:var(--ink); border-color:var(--ink); box-shadow:4px 4px 0 var(--paper); }
  .cta-band .btn:hover{ box-shadow:6px 6px 0 var(--paper); }

  footer.site{ background:var(--ink); color:var(--paper-dim); padding:36px 0; }
  footer.site .wrap{ display:flex; flex-direction:column; gap:22px; }
  .foot-nav{ display:flex; flex-wrap:wrap; justify-content:center; gap:14px 22px; }
  .foot-nav a{
    color:var(--paper-dim); text-decoration:none;
    font-family:'IBM Plex Mono',monospace; font-size:13px;
    text-transform:uppercase; letter-spacing:0.04em;
  }
  .foot-nav a:hover{ color:var(--build-orange); }
  .foot-meta{
    display:grid; grid-template-columns:1.1fr 1fr 1.35fr; gap:0;
    font-size:13.5px; font-family:'IBM Plex Mono',monospace;
    border-top:1px solid var(--line); padding-top:18px;
  }
  .foot-item{ min-width:0; padding:4px 24px; border-left:1px solid var(--line); }
  .foot-item:first-child{ border-left:0; padding-left:0; }
  .foot-label{ display:block; margin-bottom:7px; color:#a99d86; font-size:10px; font-weight:600; text-transform:uppercase; letter-spacing:.12em; }
  .foot-item strong,.foot-item a{ display:block; color:var(--paper); font-size:14px; line-height:1.45; overflow-wrap:anywhere; }
  .foot-item:first-child strong{ color:var(--build-orange); }
  @media(max-width:700px){ .foot-meta{ grid-template-columns:1fr; } .foot-item,.foot-item:first-child{ padding:15px 0; border-left:0; border-top:1px solid var(--line); } .foot-item:first-child{ border-top:0; } }
  footer.site a{ color:var(--build-orange); text-decoration:none; }
  .foot-nav a{ color:var(--paper-dim); }

  @media (prefers-reduced-motion: reduce){
    html{ scroll-behavior:auto; }
    .btn{ transition:none; }
  }

  /* ---------- SUBPAGE HEAD (Register / FAQ) ---------- */
  .page-head{
    background:var(--ink); color:var(--paper);
    padding:56px 0 48px;
  }
  .page-head h1{
    color:var(--paper); font-size:clamp(36px,5.5vw,58px);
    margin:12px 0 12px; line-height:1;
  }
  .page-head p{ color:var(--paper-dim); font-size:16.5px; max-width:56ch; margin:0; }
  .breadcrumb{
    font-family:'IBM Plex Mono',monospace; font-size:12.5px; color:var(--paper-dim);
    text-transform:uppercase; letter-spacing:0.05em; margin-bottom:6px;
  }
  .breadcrumb a{ color:var(--build-orange); text-decoration:none; }
  .breadcrumb a:hover{ text-decoration:underline; }

  /* ---------- FORM ---------- */
  .form-wrap{ max-width:680px; }
  fieldset{ border:none; padding:0; margin:0 0 34px; }
  fieldset legend{
    font-family:'IBM Plex Mono',monospace; text-transform:uppercase; letter-spacing:0.07em;
    font-size:12px; color:var(--brick); font-weight:600; margin-bottom:16px; padding:0;
  }
  .field{ min-width:0; margin-bottom:20px; }
  .field label{
    display:block; font-weight:700; font-size:14.5px; margin-bottom:7px;
  }
  .field .hint{ font-weight:400; color:#6b6152; font-size:13px; display:block; margin-top:4px; }
  .field > .hint + select{ margin-top:10px; }
  .field input[type=text],
  .field input[type=email],
  .field input[type=tel],
  .field input[type=number],
  .field input[type=password],
  .field select,
  .field textarea{
    width:100%; min-width:0; max-width:100%; font-family:'Public Sans',sans-serif; font-size:16px;
    padding:12px 14px; border:2px solid var(--ink); background:var(--paper);
    color:var(--ink);
  }
  .field textarea{ resize:vertical; min-height:90px; }
  .field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible{
    outline:3px solid var(--chalk); outline-offset:1px;
  }
  .field-row{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; }
  .field-row > .field > label{ height:48px; }
  @media (max-width:600px){ .field-row{ grid-template-columns:minmax(0,1fr); } .field-row > .field > label{ height:auto; } }

  .choice-grid{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
  @media (max-width:600px){ .choice-grid{ grid-template-columns:1fr; } }
  .choice{
    display:flex; align-items:flex-start; gap:10px;
    border:1.5px solid var(--line-dark); padding:12px 14px; background:var(--paper);
    font-size:14.5px; cursor:pointer;
  }
  .choice:has(input:checked){ border-color:var(--brick); background:#faf4e8; }
  .choice input{ margin-top:3px; accent-color:var(--brick); flex-shrink:0; }

  .form-note{
    font-size:13.5px; color:#6b6152; border-top:1px dashed var(--line-dark);
    padding-top:16px; margin-top:8px;
  }
  .attendee-intro{ border-top:0; padding-top:0; margin:-4px 0 18px; }
  .attendee-card{ border:2px solid var(--ink); padding:18px; margin:0 0 16px; background:#faf4e8; }
  .attendee-head{ display:flex; justify-content:space-between; align-items:center; gap:12px; margin-bottom:16px; font-family:'IBM Plex Mono',monospace; text-transform:uppercase; font-size:12px; color:var(--brick); }
  .text-button{ border:0; background:none; color:var(--brick-dark); text-decoration:underline; cursor:pointer; font:600 12px 'IBM Plex Mono',monospace; }
  .add-attendee.ghost{ background:var(--paper); color:var(--ink); border-color:var(--ink); box-shadow:3px 3px 0 var(--ink); }
  .edit-page .page-head .wrap,.edit-page main > section > .wrap{ max-width:820px; text-align:center; }
  .edit-page .page-head p{ margin-left:auto; margin-right:auto; }
  .edit-page .form-wrap{ margin-left:auto; margin-right:auto; text-align:left; }
.edit-page .attendee-head{ text-align:left; }

  /* ---------- PAST-EVENT CONTRIBUTIONS ---------- */
  .share-page main{ background:#e7dcc3; }
  .share-page .page-head .eyebrow{ display:block; margin-top:22px; }
  .share-form-section{ padding:64px 0 82px; }
  .share-shell{ display:grid; grid-template-columns:minmax(230px,.62fr) minmax(0,1.38fr); gap:42px; align-items:start; max-width:1120px; }
  .share-guide{ position:sticky; top:24px; padding:28px; color:var(--paper); background:var(--ink); border-top:7px solid var(--build-orange); box-shadow:7px 7px 0 var(--brick); }
  .share-guide h2{ margin:12px 0 20px; color:var(--paper); font-size:clamp(30px,3.6vw,46px); line-height:1.02; }
  .share-guide ul{ margin:0; padding-left:20px; color:var(--paper-dim); line-height:1.8; }
  .share-guide-note{ margin-top:26px; padding-top:20px; border-top:1px dashed #675f53; }
  .share-guide-note strong{ color:var(--build-orange); }
  .share-guide-note p{ margin:8px 0 0; color:var(--paper-dim); font-size:13.5px; line-height:1.55; }
  .share-form-column{ min-width:0; }
  .share-form{ max-width:none; padding:clamp(24px,4vw,42px); background:#f8f0df; border:2px solid var(--ink); border-top:7px solid var(--build-orange); box-shadow:8px 8px 0 var(--brick); }
  .share-form fieldset{ margin-bottom:30px; }
  .share-form fieldset + fieldset{ padding-top:30px; border-top:1px dashed var(--line-dark); }
  .share-form .field input[type=url],
  .share-form .field input[type=file]{ width:100%; min-width:0; max-width:100%; font:16px 'Public Sans',sans-serif; border:2px solid var(--ink); background:var(--paper); color:var(--ink); }
  .share-form .field input[type=url]{ padding:12px 14px; }
  .share-form .field input[type=file]{ padding:8px; }
  .share-form .field input[type=file]::file-selector-button{ margin-right:12px; padding:8px 11px; border:0; background:var(--ink); color:var(--paper); font:600 11px 'IBM Plex Mono',monospace; text-transform:uppercase; cursor:pointer; }
  .share-form .field input:focus-visible,.share-form .field select:focus-visible,.share-form .field textarea:focus-visible{ outline:3px solid var(--chalk); outline-offset:1px; }
  .share-permissions .choice + .choice{ margin-top:12px; }
  .share-submit{ display:flex; align-items:center; gap:20px; flex-wrap:wrap; }
  .share-submit p{ margin:0; color:#6b6152; font-size:13px; }
  @media(max-width:820px){
    .share-form-section{ padding:42px 0 64px; }
    .share-shell{ grid-template-columns:1fr; gap:28px; }
    .share-guide{ position:static; }
  }
  .edit-actions-row{ display:flex; align-items:center; gap:22px; flex-wrap:wrap; margin-top:28px; }
  .edit-actions-row .btn{ margin:0; }
  .signout-link{ font-family:'IBM Plex Mono',monospace; font-size:13px; font-weight:600; }
  .attendee-records{ display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:16px; }
  .campaign-share{ margin:34px 0; padding:24px; border:2px solid var(--ink); background:#faf4e8; }
  .campaign-share h2{ margin:8px 0; color:var(--brick); }
  .pill{ display:inline-block; padding:3px 8px; background:var(--ink); color:var(--paper); font:600 12px 'IBM Plex Mono',monospace; text-transform:uppercase; }
  .pill.waitlist{ background:var(--brick); }
  @media print{ header.site, footer.site, .foot-nav, .no-print{ display:none!important; } body{ background:white; } section{ padding:20px 0; } }

  /* ---------- FORM VALIDATION STATES ---------- */
  .form-alert{
    border:2px solid var(--brick); background:#faf0e9; color:var(--brick-dark);
    padding:14px 16px; margin-bottom:24px; font-weight:600; font-size:14.5px;
    border-radius:2px;
  }
  .field-error{
    display:block; margin-top:6px; color:var(--brick-dark);
    font-size:13px; font-weight:600;
  }
  .field:has(.field-error) input,
  .field:has(.field-error) select,
  .field:has(.field-error) textarea{
    border-color:var(--ink); background:#fff6c7;
    box-shadow:0 0 0 3px var(--chalk);
  }
  .totp-qr{ width:240px; max-width:100%; border:2px solid var(--ink); background:#fff; padding:10px; margin:20px 0; }
  .totp-secret{ overflow-wrap:anywhere; padding:12px; background:var(--paper-dim); border:1px solid var(--line-dark); }
  .account-actions{ margin-top:44px; padding-top:28px; border-top:2px solid var(--ink); }
  .account-action-form{ padding:18px 4px 24px; }
  .danger-zone summary{ color:var(--brick-dark); }
  .template-editor{ margin:30px 0 52px; }
  .admin-setup main > section > .wrap,.admin-narrow{ max-width:680px; text-align:center; }
  .admin-setup .form-wrap,.admin-narrow .form-wrap{ margin-left:auto; margin-right:auto; text-align:left; }
  .admin-setup .totp-qr{ margin-left:auto; margin-right:auto; }
  .admin-setup input[name=code]{ font:700 26px 'IBM Plex Mono',monospace; letter-spacing:.22em; text-align:center; min-height:58px; }
  .admin-subpage-page{ background:var(--paper-dim); }
  .admin-subpage-page > main > section{ padding:32px 0; }
  .admin-subpage{ max-width:1120px; background:var(--paper); border:2px solid var(--ink); border-top:8px solid var(--build-orange); box-shadow:10px 10px 0 var(--brick); padding:clamp(24px,4vw,46px); }
  .admin-subpage > p:first-child{ margin-top:0; font:600 13px 'IBM Plex Mono',monospace; }
  .admin-subpage > h2{ font-size:clamp(34px,5vw,54px); margin:8px 0 14px; }
  .admin-subpage .table-scroll{ margin-top:30px; border:2px solid var(--ink); overflow:auto; }
  .admin-subpage .manifest{ margin:0; }
  .admin-subpage .manifest thead{ background:var(--ink); color:var(--paper); }
  .admin-subpage .attendee-records{ margin:28px 0; text-align:left; }
  .admin-subpage .form-wrap{ text-align:left; }
  .admin-delete{ margin-top:10px; }
  .admin-delete summary{ cursor:pointer; color:var(--brick-dark); font:600 12px 'IBM Plex Mono',monospace; }
  .admin-delete form{ margin-top:10px; min-width:250px; }
  @media(max-width:600px){ .admin-subpage-page > main > section{ padding:12px 0; } .admin-subpage{ width:calc(100% - 20px); padding:20px 16px; box-shadow:6px 6px 0 var(--brick); } }
  .settings-card{ margin-top:30px; border:2px solid var(--ink); border-top:7px solid var(--build-orange); background:#faf4e8; padding:28px; }
  .settings-links{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:28px; text-align:left; }
  .settings-links a{ border:2px solid var(--ink); padding:20px; text-decoration:none; background:var(--paper); }
  .settings-links strong,.settings-links span{ display:block; }.settings-links span{ color:#6b6152;font-size:13px;margin-top:6px; }
  @media(max-width:600px){.settings-links{grid-template-columns:1fr;}}

  /* Branded access entry points and privileged authentication. */
  .access-modal{ position:fixed; inset:0; z-index:100; display:none; place-items:center; padding:20px; background:rgba(27,23,18,.82); }
  .access-modal:target{ display:grid; }
  .access-panel{ width:min(100%,560px); position:relative; background:var(--paper); border:2px solid var(--ink); border-top:8px solid var(--build-orange); padding:34px; box-shadow:12px 12px 0 var(--brick); }
  .access-panel h2{ font-size:clamp(30px,6vw,46px); margin:8px 0 12px; }
  .access-panel p{ color:#3a332a; }
  .access-panel .btn{ margin:10px 8px 0 0; }
  .access-actions{ display:flex; justify-content:center; align-items:center; gap:12px; flex-wrap:wrap; margin-top:20px; }
  .access-actions .btn{ margin:0; }
  .access-close{ position:absolute; top:12px; right:15px; font:700 24px/1 'IBM Plex Mono',monospace; text-decoration:none; }
  .auth-page{ min-height:100vh; background:var(--ink); color:var(--paper); display:grid; grid-template-columns:minmax(280px,.85fr) minmax(360px,1.15fr); }
  .auth-story{ padding:clamp(42px,7vw,90px); display:flex; flex-direction:column; justify-content:center; background:linear-gradient(rgba(27,23,18,.88),rgba(27,23,18,.95)),url('assets/hero/knoxville-skyline-2024.jpg') center/cover; border-right:8px solid var(--brick); }
  .auth-story h1{ font-size:clamp(42px,7vw,78px); line-height:.98; margin:14px 0 22px; }
  .auth-story h1 em{ color:var(--build-orange); font-style:normal; }
  .auth-story p{ color:var(--paper-dim); max-width:38ch; }
  .auth-form-panel{ background:var(--paper); color:var(--ink); display:flex; align-items:center; padding:clamp(32px,7vw,90px); }
  .auth-form-panel > div{ width:100%; max-width:520px; }
  .auth-home{ display:inline-flex; margin-bottom:30px; font-family:'IBM Plex Mono',monospace; font-size:13px; }
  @media(max-width:760px){ .auth-page{ grid-template-columns:1fr; } .auth-story{ min-height:270px; border-right:0; border-bottom:8px solid var(--brick); } .auth-story h1{ font-size:44px; } .access-panel{ padding:28px 22px; } }

  /* ---------- FAQ ACCORDION ---------- */
  .faq-cat{ margin-bottom:44px; }
  .faq-cat > .eyebrow{ display:block; margin-bottom:16px; }
  details.qa{
    border-bottom:1px solid var(--line-dark);
  }
  details.qa summary{
    list-style:none; cursor:pointer; padding:18px 4px;
    display:flex; justify-content:space-between; align-items:center; gap:16px;
    font-weight:700; font-size:16.5px;
  }
  details.qa summary::-webkit-details-marker{ display:none; }
  details.qa summary::after{
    content:"+"; font-family:'IBM Plex Mono',monospace; font-size:20px; color:var(--brick);
    flex-shrink:0; transition:transform .15s ease;
  }
  details.qa[open] summary::after{ content:"–"; }
  details.qa .a{ padding:0 4px 20px; color:#3a332a; font-size:15.5px; max-width:66ch; }
  details.qa summary:focus-visible{ outline:3px solid var(--chalk); outline-offset:2px; }

  /* ============================================================
     MOBILE POLISH
     ============================================================ */

  /* Offset in-page anchors so section headings clear the sticky nav. */
  main[id], section[id]{ scroll-margin-top:78px; }

  /* Keep the brand from overflowing the sticky bar when space is tight. */
  .nav{ gap:12px; }
  .nav-brand{ min-width:0; }
  .nav-brand span{ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

  @media (max-width:720px){
    /* The secondary links don't fit beside the CTA on phones: the same
       destinations live in the footer nav, so hide them up here. */
    .nav-links{ display:none; }
    .nav{ padding:12px 20px; }
    section{ padding:52px 0; }
    .hero{ padding:48px 0 44px; }
    .page-head{ padding:44px 0 36px; }
    .section-head{ margin-bottom:28px; }
  }

  @media (max-width:560px){
    .wrap{ padding:0 20px; }

    /* Schedule: stack each entry instead of a cramped 3-column table. */
    table.manifest thead{ display:none; }
    table.manifest,
    table.manifest tbody,
    table.manifest tr,
    table.manifest td{ display:block; width:auto; }
    table.manifest tr{ padding:14px 0; border-bottom:1px solid var(--line-dark); }
    table.manifest tr:last-child{ border-bottom:2px solid var(--ink); }
    table.manifest td{ padding:1px 0; border:none; }
    table.manifest tr:last-child td{ border-bottom:none; }
    table.manifest td.time{ width:auto; font-size:13px; margin-bottom:2px; }
    table.manifest td.what{ font-size:18px; }
    table.manifest td.detail{ font-size:14.5px; margin-top:3px; }
  }
  @media(max-width:360px){ .attendee-card{ padding:14px 10px; } .attendee-card select{ font-size:14px; padding-left:9px; padding-right:28px; } }

  /* Nav CTA shortens on narrow screens so the wordmark stays intact. */
  .cta-short{ display:none; }
  @media (max-width:480px){
    .nav .cta-long{ display:none; }
    .nav .cta-short{ display:inline; }
  }
  @media (max-width:360px){
    .nav-brand span{ font-size:15px; }
  }

  /* ---------- POST-EVENT RETROSPECTIVE ---------- */
  .skip-link{ position:absolute; left:16px; top:0; z-index:200; padding:10px 14px; background:var(--paper); color:var(--ink); transform:translateY(-140%); }
  .skip-link:focus{ transform:translateY(8px); }
  .archive-notice{ display:flex; justify-content:center; gap:18px; padding:9px 20px; background:var(--chalk); color:var(--ink); font:600 12px 'IBM Plex Mono',monospace; text-align:center; }
  .archive-notice strong{ text-transform:uppercase; letter-spacing:.06em; }
  .archive-notice a{ color:var(--brick-dark); }
  .retro-hero-grid{ display:grid; grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr); gap:56px; align-items:center; }
  .retro-ticket{ background:var(--paper); color:var(--ink); border:2px solid var(--ink); border-top:8px solid var(--build-orange); padding:28px; box-shadow:10px 10px 0 var(--brick); transform:rotate(1.5deg); }
  .retro-ticket-label{ display:block; margin-bottom:18px; color:var(--teal); font:600 11px 'IBM Plex Mono',monospace; letter-spacing:.1em; text-transform:uppercase; }
  .retro-ticket strong{ display:block; font:400 clamp(25px,3vw,35px)/1.15 'Anton',sans-serif; text-transform:uppercase; }
  .retro-ticket .accent{ margin-top:9px; color:var(--brick); }
  .story-grid{ display:grid; grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr); gap:64px; align-items:start; }
  .story-grid .section-head{ margin:0; }
  .story-copy{ max-width:64ch; }
  .story-copy p:first-child{ margin-top:0; font-size:19px; }
  .retro-projects .tag-card{ min-height:210px; }
  .retro-projects .icon{ display:block; }
  .proof-section{ background:var(--paper); }
  .proof-grid{ display:grid; grid-template-columns:minmax(240px,.65fr) minmax(0,1.35fr); gap:64px; align-items:center; }
  .proof-grid h2{ margin:10px 0 16px; font-size:clamp(32px,4vw,48px); }
  .proof-grid p{ max-width:58ch; color:#3a332a; }
  .proof-mark{ padding:28px; background:var(--ink); color:var(--paper); border-left:9px solid var(--build-orange); box-shadow:10px 10px 0 var(--brick); font:400 clamp(34px,5vw,58px)/.95 'Anton',sans-serif; letter-spacing:.02em; }
  .coverage-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
  .coverage-card{ display:flex; flex-direction:column; min-height:260px; padding:24px; border:2px solid var(--ink); background:var(--paper); text-decoration:none; box-shadow:5px 5px 0 var(--line-dark); transition:transform .15s ease, box-shadow .15s ease; }
  .coverage-card:hover{ transform:translate(-2px,-2px); box-shadow:8px 8px 0 var(--line-dark); }
  .coverage-card.featured{ border-top:8px solid var(--brick); }
  .coverage-card span{ color:var(--brick-dark); font:600 11px 'IBM Plex Mono',monospace; letter-spacing:.07em; text-transform:uppercase; }
  .coverage-card strong{ margin:18px 0; font-size:19px; line-height:1.35; }
  .coverage-card i{ margin-top:auto; color:var(--teal); font:600 13px 'IBM Plex Mono',monospace; font-style:normal; }
  .next-section{ background:var(--ink); color:var(--paper); }
  .next-section .section-head{ max-width:72ch; }
  .next-section .section-head h2{ color:var(--paper); }
  .next-section .section-head p{ color:var(--paper-dim); }
  .action-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
  .action-card{ display:flex; flex-direction:column; align-items:flex-start; padding:26px; background:var(--paper); color:var(--ink); border-top:7px solid var(--build-orange); }
  .action-card > span{ color:var(--brick-dark); font:600 11px 'IBM Plex Mono',monospace; letter-spacing:.07em; text-transform:uppercase; }
  .action-card h3{ margin:14px 0 8px; font-size:24px; }
  .action-card p{ flex:1; margin:0 0 24px; color:#403829; font-size:15px; }
  .action-card .btn{ font-size:12px; padding:10px 14px; }
  .check-back{ margin:28px 0 0; color:var(--paper-dim); text-align:center; }
  .check-back a{ color:var(--build-orange); }
  .thanks-section{ text-align:center; }
  .thanks-section .wrap{ max-width:850px; }
  .thanks-section h2{ margin:10px 0 14px; font-size:clamp(32px,4vw,46px); }
  .wildlife-note{ margin:24px 0 0; padding-left:14px; border-left:3px solid var(--brick); color:#4a4237; font-size:13px; }
  @media(max-width:900px){
    .retro-hero-grid,.story-grid,.proof-grid{ grid-template-columns:1fr; gap:36px; }
    .coverage-grid,.action-grid{ grid-template-columns:1fr; }
    .coverage-card{ min-height:0; }
    .proof-mark{ max-width:430px; }
  }

  /* ---------- KNOXVILLE EVENT SERIES ---------- */
  .series-hero,.aiaf-hero,.series-join,.aiaf-details{ background-color:var(--ink); color:var(--paper); }
  .series-hero{ padding:86px 0 78px; }
  .series-hero-grid{ display:grid; grid-template-columns:minmax(0,1.15fr) minmax(280px,.7fr); align-items:center; gap:64px; }
  .series-hero h1,.aiaf-hero h1{ margin:14px 0 22px; color:var(--paper); font-size:clamp(54px,8vw,96px); line-height:.92; }
  .series-hero h1 em,.aiaf-hero h1 em{ color:var(--build-orange); font-style:normal; }
  .series-hero .lede,.aiaf-hero .lede{ max-width:54ch; color:var(--paper-dim); font-size:20px; }
  .series-manifesto{ padding:30px; border:2px solid var(--paper); border-top:9px solid var(--build-orange); box-shadow:10px 10px 0 var(--brick); transform:rotate(1deg); }
  .series-manifesto span{ display:block; margin-bottom:16px; color:var(--build-orange); font:600 11px 'IBM Plex Mono',monospace; letter-spacing:.15em; }
  .series-manifesto strong{ display:block; font:400 clamp(28px,3.5vw,42px)/1.08 'Anton',sans-serif; text-transform:uppercase; }
  .series-manifesto .accent{ color:var(--build-orange); }
  .series-next{ background:var(--paper-dim); }
  .next-event-card{ display:grid; grid-template-columns:minmax(0,1.2fr) minmax(250px,.8fr); gap:48px; align-items:center; padding:42px; background:var(--paper); border:2px solid var(--ink); border-top:10px solid var(--build-orange); box-shadow:10px 10px 0 var(--brick); }
.next-event-card h2{ margin:14px 0; font-size:clamp(40px,6vw,68px); line-height:.98; }
.next-event-card .event-title-lockup em{ color:var(--build-orange); font-style:normal; }
.event-guest{ padding-left:14px; border-left:3px solid var(--build-orange); }
.next-event-card .btn.ghost{ color:var(--ink); border-color:var(--ink); }
.next-event-card .btn.ghost:hover{ background:var(--ink); color:var(--paper); }
  .event-deck{ max-width:58ch; font-size:19px; }
  .event-facts{ margin:24px 0; padding-left:16px; border-left:4px solid var(--brick); }
  .event-flags{ display:flex; flex-wrap:wrap; gap:8px; }
  .event-flags span{ display:inline-block; padding:5px 9px; background:var(--chalk); color:var(--ink); border:1px solid currentColor; font:700 10px 'IBM Plex Mono',monospace; letter-spacing:.09em; text-transform:uppercase; }
  .next-event-prompt{ padding:22px; color:var(--ink); border:3px solid var(--ink); font:400 clamp(31px,4.8vw,54px)/.9 'Anton',sans-serif; transform:rotate(-2deg); }
  .next-event-prompt small{ display:block; margin-bottom:9px; color:var(--brick); font:700 11px 'IBM Plex Mono',monospace; letter-spacing:.14em; }
  .next-event-prompt em{ color:var(--brick); font-style:normal; }
  .series-event-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
  .series-event-card{ padding:28px; background:var(--paper); border:2px solid var(--ink); border-top:7px solid var(--brick); }
  .series-event-card .btn.ghost{ color:var(--ink); border-color:var(--ink); }
  .series-event-card .btn.ghost:hover{ background:var(--ink); color:var(--paper); }
  .series-event-card > span{ color:var(--brick-dark); font:600 11px 'IBM Plex Mono',monospace; text-transform:uppercase; letter-spacing:.08em; }
  .series-event-card h3{ margin:12px 0; font-size:30px; }
  .series-event-card .text-link{ display:inline-block; margin:14px 0 0 16px; font:600 12px 'IBM Plex Mono',monospace; }
  .series-join h2{ margin:10px 0; color:var(--paper); font-size:clamp(38px,5vw,58px); }
  .series-join p{ color:var(--paper-dim); }

  /* ---------- AI: ARTISANS & FOUNDERS PREVIEW ---------- */
  .aiaf-hero{ padding:76px 0; }
  .aiaf-hero.grid-bg{
    background-image:linear-gradient(90deg,rgba(24,21,17,.94) 0%,rgba(24,21,17,.82) 52%,rgba(24,21,17,.9) 100%),url('assets/hero/knoxville-skyline-2024.jpg');
    background-size:cover,cover;
    background-position:center,center 52%;
  }
  .aiaf-hero-grid{ display:grid; grid-template-columns:minmax(0,1.2fr) minmax(290px,.8fr); gap:58px; align-items:center; }
  .aiaf-hero .event-flags{ margin-bottom:18px; }
  .aiaf-ticket{ padding:28px; background:var(--paper); color:var(--ink); border:2px solid var(--ink); border-top:10px solid var(--chalk); box-shadow:10px 10px 0 var(--brick); }
  .aiaf-ticket > span{ color:var(--brick); font:700 11px 'IBM Plex Mono',monospace; letter-spacing:.13em; }
  .aiaf-ticket dl{ display:grid; gap:16px; margin:22px 0; }
  .aiaf-ticket dl div{ padding-bottom:12px; border-bottom:1px dashed var(--teal); }
  .aiaf-ticket dt{ color:var(--teal); font:600 10px 'IBM Plex Mono',monospace; letter-spacing:.1em; text-transform:uppercase; }
  .aiaf-ticket dd{ margin:3px 0 0; font-weight:700; }
  .aiaf-ticket p{ margin:0; font-size:13px; }
  .aiaf-callout{ padding:42px 0; background:var(--build-orange); color:var(--ink); text-align:center; }
  .aiaf-callout span{ font:700 11px 'IBM Plex Mono',monospace; letter-spacing:.14em; }
  .aiaf-callout h2{ margin:7px 0; font-size:clamp(36px,5vw,60px); }
  .aiaf-callout p{ margin:0; font-weight:700; }
  .pathway-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:28px; }
  .pathway-card{ display:flex; flex-direction:column; align-items:flex-start; padding:34px; background:var(--paper); border:2px solid var(--ink); box-shadow:7px 7px 0 var(--line-dark); }
  .pathway-card.presenter-path{ border-top:9px solid var(--brick); }
  .pathway-card h2{ margin:12px 0; font-size:clamp(34px,4vw,48px); }
  .pathway-card ul{ padding-left:22px; }
  .pathway-card .pathway-status{ margin-top:auto; padding:15px; background:var(--paper-dim); font-size:14px; }
  .details-grid{ display:grid; grid-template-columns:minmax(0,1fr) minmax(280px,.8fr); gap:56px; align-items:center; }
  .aiaf-details h2{ margin:12px 0; color:var(--paper); font-size:clamp(35px,5vw,54px); }
  .aiaf-details p{ color:var(--paper-dim); }
  .planning-note{ padding:24px; border:2px solid var(--build-orange); }
  .planning-note strong{ color:var(--build-orange); font:600 12px 'IBM Plex Mono',monospace; letter-spacing:.09em; text-transform:uppercase; }
  .aiaf-host-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .aiaf-host-grid .host-card{ display:flex; flex-direction:column; }
  .aiaf-host-grid .host-card h3{ margin:5px 0 12px; font-size:25px; }
  .aiaf-page .map-plate{ position:relative; min-height:320px; }
  .aiaf-page .map-plate iframe{ pointer-events:auto; }
  .aiaf-page .map-open{ position:absolute; left:10px; top:10px; z-index:3; padding:7px 11px; background:var(--paper); color:var(--ink); border:1.5px solid var(--ink); font:600 12px 'IBM Plex Mono',monospace; text-decoration:none; }
  .aiaf-page .map-open:hover{ background:var(--ink); color:var(--paper); }

  @media(max-width:900px){
    .series-hero-grid,.next-event-card,.aiaf-hero-grid,.pathway-grid,.details-grid,.aiaf-host-grid{ grid-template-columns:1fr; }
    .series-event-grid{ grid-template-columns:1fr; }
    .series-manifesto,.next-event-prompt{ max-width:500px; }
  }
  @media(max-width:560px){
    .series-hero,.aiaf-hero{ padding:56px 0; }
    .next-event-card,.pathway-card{ padding:24px; }
    .series-event-card .text-link{ display:block; margin-left:0; }
    .archive-notice{ display:block; }
    .archive-notice span{ display:block; margin-top:3px; }
  }