/* ==========================================================================
   ALISTAIR WREN — PUBLIC ARCHIVE
   Design system: ivory/charcoal archive aesthetic, burgundy + brass accents.
   Fraunces (serif display) / IBM Plex Sans (ui) / IBM Plex Mono (metadata)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --bg:#F7F4EC;
  --bg-raised:#FFFFFF;
  --bg-sunken:#EFEAE0;
  --ink:#211D18;
  --ink-soft:#6E675C;
  --ink-faint:#9B9284;
  --line:#DDD6C7;
  --line-strong:#C8BFAC;
  --burgundy:#6E1F2E;
  --burgundy-ink:#4E1521;
  --brass:#9C7A3C;
  --brass-soft:#C7AE7C;
  --focus:#1C6E5C;

  --serif:'Fraunces', Georgia, serif;
  --sans:'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono:'IBM Plex Mono', 'Courier New', monospace;

  --container: 1180px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 2px;
  --dur: 220ms;
  --ease: cubic-bezier(.2,.7,.2,1);

  color-scheme: light;
}

html.dark{
  --bg:#111009;
  --bg-raised:#181610;
  --bg-sunken:#0A0906;
  --ink:#F1ECE0;
  --ink-soft:#A79F8E;
  --ink-faint:#736B5C;
  --line:#332D22;
  --line-strong:#463E2E;
  --burgundy:#D9808C;
  --burgundy-ink:#F0A9B1;
  --brass:#D6B876;
  --brass-soft:#B49759;
  --focus:#4FC7AC;
  color-scheme: dark;
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
}

*{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  transition:background var(--dur) var(--ease), color var(--dur) var(--ease);
}
body.no-scroll{ overflow:hidden; }

img,svg{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
input,select,textarea{ font-family:inherit; font-size:1em; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,h4,p{ margin:0; }

::selection{ background:var(--burgundy); color:var(--bg); }

:focus-visible{ outline:2px solid var(--focus); outline-offset:3px; }

.container{ max-width:var(--container); margin:0 auto; padding:0 var(--gutter); }

.mono{ font-family:var(--mono); }
.eyebrow{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.14em;
  color:var(--ink-soft); text-transform:uppercase;
}
.serif{ font-family:var(--serif); }

/* ---------- type scale ---------- */
.display-1{ font-family:var(--serif); font-weight:500; font-size:clamp(3rem,9vw,7.5rem); line-height:.94; letter-spacing:-.01em; }
.display-2{ font-family:var(--serif); font-weight:500; font-size:clamp(2.2rem,6vw,4.6rem); line-height:1.02; letter-spacing:-.01em; }
.display-3{ font-family:var(--serif); font-weight:500; font-size:clamp(1.7rem,4vw,2.9rem); line-height:1.08; }
.h4{ font-family:var(--serif); font-weight:500; font-size:1.35rem; line-height:1.25; }
.lede{ font-size:1.2rem; line-height:1.6; color:var(--ink-soft); max-width:52ch; }
.body-text{ max-width:66ch; }
.body-text p + p{ margin-top:1.1em; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(247,244,236,.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:padding var(--dur) var(--ease), background var(--dur) var(--ease);
}
html.dark .site-header{ background:rgba(17,16,9,.9); }
.site-header .container{
  display:flex; align-items:center; justify-content:space-between;
  padding-top:22px; padding-bottom:22px;
  transition:padding var(--dur) var(--ease);
}
.site-header.is-scrolled .container{ padding-top:12px; padding-bottom:12px; }

.brand{ display:flex; flex-direction:column; gap:2px; }
.brand-name{ font-family:var(--serif); font-weight:500; font-size:1.15rem; letter-spacing:.01em; }
.brand-sub{ font-family:var(--mono); font-size:.62rem; letter-spacing:.13em; color:var(--ink-soft); text-transform:uppercase; }

.primary-nav{ display:flex; gap:2.1rem; }
.primary-nav a{
  font-size:.86rem; letter-spacing:.03em; color:var(--ink-soft);
  padding:6px 0; border-bottom:1px solid transparent; transition:color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.primary-nav a:hover{ color:var(--ink); }
.primary-nav a.active{ color:var(--ink); border-bottom-color:var(--burgundy); }

.header-right{ display:flex; align-items:center; gap:1.3rem; }
.archive-clock{ font-family:var(--mono); font-size:.68rem; color:var(--ink-faint); letter-spacing:.08em; }
.icon-btn{
  background:none; border:1px solid var(--line); border-radius:50%;
  width:34px; height:34px; display:flex; align-items:center; justify-content:center;
  color:var(--ink); transition:border-color var(--dur), background var(--dur);
}
.icon-btn:hover{ border-color:var(--ink-soft); }
.btn-contact{
  font-size:.8rem; letter-spacing:.05em; color:var(--ink);
  border:1px solid var(--ink); padding:9px 18px; border-radius:1px;
  transition:background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn-contact:hover{ background:var(--ink); color:var(--bg); }
.menu-toggle{ display:none; }

@media (max-width: 920px){
  .primary-nav, .archive-clock, .btn-contact{ display:none; }
  .menu-toggle{ display:flex; }
}

/* mobile full-screen nav */
.mobile-nav{
  position:fixed; inset:0; background:var(--bg); z-index:100;
  display:flex; flex-direction:column; padding:22px var(--gutter) 40px;
  transform:translateY(-100%); transition:transform var(--dur) var(--ease);
}
.mobile-nav.is-open{ transform:translateY(0); }
.mobile-nav-top{ display:flex; justify-content:space-between; align-items:center; }
.mobile-nav-items{ margin-top:auto; display:flex; flex-direction:column; gap:.3rem; }
.mobile-nav-items a{ font-family:var(--serif); font-size:2.3rem; padding:.28em 0; border-bottom:1px solid var(--line); }
.mobile-nav-foot{ margin-top:2rem; font-family:var(--mono); font-size:.7rem; letter-spacing:.1em; color:var(--ink-soft); display:flex; justify-content:space-between; }

/* ==========================================================================
   BUTTONS / CHIPS
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; gap:.5em; font-family:var(--sans);
  font-size:.82rem; letter-spacing:.04em; padding:13px 24px; border-radius:1px;
  border:1px solid var(--ink); background:transparent; color:var(--ink);
  transition:background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:hover{ background:var(--ink); color:var(--bg); transform:translateY(-2px); }
.btn-primary{ background:var(--ink); color:var(--bg); }
.btn-primary:hover{ background:var(--burgundy); border-color:var(--burgundy); color:#fff; }
.btn-ghost{ border-color:var(--line-strong); color:var(--ink-soft); }
.btn-ghost:hover{ border-color:var(--ink); color:var(--ink); background:transparent; transform:none; }
.btn-row{ display:flex; flex-wrap:wrap; gap:.9rem; }
.text-link{ display:inline-flex; align-items:center; gap:.4em; border-bottom:1px solid var(--line-strong); padding-bottom:2px; transition:border-color var(--dur), color var(--dur); }
.text-link:hover{ border-color:var(--ink); color:var(--burgundy); }

.chip{
  font-family:var(--mono); font-size:.72rem; letter-spacing:.05em;
  padding:6px 12px; border:1px solid var(--line-strong); border-radius:20px;
  color:var(--ink-soft); background:transparent; transition:all var(--dur) var(--ease);
  display:inline-flex; align-items:center; gap:6px;
}
.chip:hover{ border-color:var(--ink); color:var(--ink); }
.chip.is-active{ background:var(--ink); color:var(--bg); border-color:var(--ink); }
.chip-x{ opacity:.7; }
.chip-row{ display:flex; flex-wrap:wrap; gap:.55rem; }

.status{
  font-family:var(--mono); font-size:.7rem; letter-spacing:.1em; text-transform:uppercase;
  padding:3px 0; border-top:1px solid currentColor; border-bottom:1px solid currentColor;
  display:inline-block; color:var(--ink-soft);
}
.status.active{ color:var(--burgundy); }
.status.expanding{ color:var(--brass); }
.status.research{ color:var(--focus); }
.status.completed{ color:var(--ink-faint); }
.status.archived{ color:var(--ink-faint); }

/* ==========================================================================
   LAYOUT HELPERS
   ========================================================================== */
.section{ padding:clamp(56px,9vw,120px) 0; }
.section-tight{ padding:clamp(36px,5vw,64px) 0; }
.border-top{ border-top:1px solid var(--line); }
.border-bottom{ border-bottom:1px solid var(--line); }
.section-head{ display:flex; justify-content:space-between; align-items:flex-end; gap:2rem; margin-bottom:2.6rem; flex-wrap:wrap; }
.section-head .kicker{ margin-bottom:.9rem; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,5vw,64px); }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:clamp(20px,3vw,32px); }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:clamp(18px,2.5vw,26px); }
@media (max-width:920px){ .grid-2,.grid-3,.grid-4{ grid-template-columns:1fr; } }

/* ==========================================================================
   HERO (home)
   ========================================================================== */
.hero{ padding:clamp(48px,8vw,96px) 0 clamp(40px,7vw,80px); position:relative; overflow:hidden; }
.hero-lines{ position:relative; height:180px; margin:2.4rem 0 3rem; border-top:1px solid var(--line); border-bottom:1px solid var(--line); overflow:hidden; }
.hero-lines .track{ position:absolute; top:50%; left:0; display:flex; gap:64px; white-space:nowrap; transform:translateY(-50%); animation:driftx 34s linear infinite; }
.hero-lines .track span{ font-family:var(--mono); font-size:.78rem; letter-spacing:.1em; color:var(--ink-faint); }
.hero-lines .center-word{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-family:var(--serif); font-size:clamp(1rem,2.4vw,1.5rem); font-style:italic; color:var(--ink);
  background:linear-gradient(90deg, transparent, var(--bg) 18%, var(--bg) 82%, transparent);
  pointer-events:none;
}
@keyframes driftx{ from{ transform:translate(0,-50%);} to{ transform:translate(-50%,-50%);} }
.hero-title{ display:flex; flex-direction:column; }
.hero-title span{ display:block; }
.hero-title span:nth-child(2){ margin-left:.6em; color:var(--burgundy); font-style:italic; }
.hero-title span:nth-child(3){ margin-left:.2em; }
.hero-foot{ display:flex; justify-content:space-between; align-items:flex-end; gap:2rem; margin-top:2.6rem; flex-wrap:wrap; }

/* stat row */
.stat-row{ display:flex; flex-wrap:wrap; gap:clamp(30px,6vw,80px); }
.stat-num{ font-family:var(--serif); font-size:clamp(3rem,7vw,5.2rem); line-height:1; color:var(--burgundy); }
.stat-label{ margin-top:.5rem; font-size:.85rem; color:var(--ink-soft); max-width:16ch; }

/* ==========================================================================
   CARDS
   ========================================================================== */
.card{
  border:1px solid var(--line); background:var(--bg-raised); padding:1.7rem;
  transition:transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
  display:flex; flex-direction:column; gap:.9rem; height:100%;
}
.card:hover{ transform:translateY(-4px); border-color:var(--ink-soft); }
.card-top{ display:flex; justify-content:space-between; align-items:flex-start; }
.card h3{ font-family:var(--serif); font-size:1.35rem; line-height:1.2; }
.card p{ color:var(--ink-soft); font-size:.92rem; }
.card-foot{ margin-top:auto; display:flex; justify-content:space-between; align-items:center; font-family:var(--mono); font-size:.7rem; color:var(--ink-faint); padding-top:.8rem; border-top:1px solid var(--line); }

.frame{
  border:1px solid var(--line); padding:1.4rem; position:relative; background:var(--bg-raised);
  transition:border-color var(--dur), transform var(--dur);
}
.frame:hover{ border-color:var(--brass); transform:translateY(-3px); }
.frame-id{ font-family:var(--mono); font-size:.68rem; color:var(--ink-faint); display:flex; justify-content:space-between; margin-bottom:1rem; }
.frame h4{ font-family:var(--serif); font-size:1.15rem; }
.frame-meta{ font-family:var(--mono); font-size:.66rem; color:var(--ink-soft); margin-top:.6rem; letter-spacing:.05em; }

/* archive index rows */
.index-row{
  display:grid; grid-template-columns: 90px 100px 1fr auto; gap:1.4rem; align-items:center;
  padding:1.1rem 0; border-bottom:1px solid var(--line); transition:background var(--dur);
  cursor:pointer;
}
.index-row:hover{ background:var(--bg-sunken); }
.index-row .num{ font-family:var(--mono); font-size:.72rem; color:var(--ink-faint); }
.index-row .date{ font-family:var(--mono); font-size:.72rem; color:var(--ink-soft); }
.index-row .title{ font-family:var(--serif); font-size:1.08rem; }
.index-row .meta{ font-family:var(--mono); font-size:.68rem; color:var(--ink-soft); text-transform:uppercase; }
.index-row .arrow{ color:var(--ink-faint); transition:transform var(--dur); }
.index-row:hover .arrow{ transform:translateX(4px); color:var(--burgundy); }
.index-row .summary{ grid-column:1/-1; max-height:0; overflow:hidden; transition:max-height var(--dur) var(--ease); font-size:.88rem; color:var(--ink-soft); }
.index-row.expanded .summary{ max-height:120px; padding-top:.6rem; }
@media (max-width:700px){ .index-row{ grid-template-columns:1fr auto; row-gap:.4rem;} .index-row .num,.index-row .date{ grid-column:1/2; } }

.dense-row{
  font-family:var(--mono); font-size:.78rem; display:flex; gap:.9rem; flex-wrap:wrap;
  padding:.85rem 0; border-bottom:1px solid var(--line); align-items:center; justify-content:space-between;
}
.dense-row .label{ color:var(--ink-soft); }
.dense-row .go{ color:var(--ink-faint); white-space:nowrap; }
.dense-row:hover{ color:var(--burgundy); }

/* ==========================================================================
   FLOW / PRINCIPLES / RELATIONSHIP GRAPH
   ========================================================================== */
.flow{ display:flex; flex-direction:column; }
.flow-step{ border-top:1px solid var(--line); padding:1.4rem 0; cursor:pointer; }
.flow-step:last-child{ border-bottom:1px solid var(--line); }
.flow-step-head{ display:flex; align-items:center; gap:1.2rem; }
.flow-step-head .n{ font-family:var(--mono); font-size:.72rem; color:var(--ink-faint); width:2ch; }
.flow-step-head h3{ font-family:var(--serif); font-size:1.5rem; flex:1; }
.flow-step-head .plus{ font-size:1.3rem; color:var(--ink-faint); transition:transform var(--dur); }
.flow-step.open .plus{ transform:rotate(45deg); }
.flow-body{ max-height:0; overflow:hidden; transition:max-height var(--dur) var(--ease); }
.flow-step.open .flow-body{ max-height:220px; padding:1rem 0 .4rem 3.2rem; }
.flow-body p{ color:var(--ink-soft); max-width:56ch; }

.principle-block{ border-top:1px solid var(--line); padding:3rem 0; display:grid; grid-template-columns:140px 1fr; gap:2rem; }
.principle-block:last-child{ border-bottom:1px solid var(--line); }
.principle-num{ font-family:var(--serif); font-size:3.4rem; color:var(--line-strong); }
.principle-quote{ font-family:var(--serif); font-style:italic; font-size:1.5rem; line-height:1.35; margin:.6rem 0 1.2rem; max-width:22ch; }
.related-list{ display:flex; gap:.6rem; flex-wrap:wrap; margin-top:1rem; }
@media (max-width:700px){ .principle-block{ grid-template-columns:1fr; } }

/* ==========================================================================
   TIMELINE
   ========================================================================== */
.timeline{ position:relative; }
.timeline-item{ display:grid; grid-template-columns:120px 1fr; gap:2rem; border-top:1px solid var(--line); padding:2rem 0; cursor:pointer; }
.timeline-item:last-child{ border-bottom:1px solid var(--line); }
.timeline-year{ font-family:var(--serif); font-size:2rem; color:var(--burgundy); }
.timeline-item h3{ font-family:var(--serif); font-size:1.4rem; }
.timeline-detail{ max-height:0; overflow:hidden; transition:max-height var(--dur) var(--ease); color:var(--ink-soft); font-size:.92rem; max-width:60ch; }
.timeline-item.open .timeline-detail{ max-height:200px; margin-top:.8rem; }
@media (max-width:700px){ .timeline-item{ grid-template-columns:1fr; gap:.4rem; } }

/* ==========================================================================
   FORMS
   ========================================================================== */
.field{ margin-bottom:1.5rem; }
.field label{ display:block; font-size:.82rem; color:var(--ink-soft); margin-bottom:.5rem; letter-spacing:.02em; }
.field input, .field select, .field textarea{
  width:100%; padding:12px 14px; background:var(--bg-raised); border:1px solid var(--line-strong);
  color:var(--ink); border-radius:1px; transition:border-color var(--dur);
}
.field input:focus, .field select:focus, .field textarea:focus{ border-color:var(--burgundy); outline:none; }
.field textarea{ min-height:130px; resize:vertical; }
.field-error{ color:var(--burgundy); font-size:.78rem; margin-top:.4rem; display:none; }
.field.has-error input, .field.has-error textarea{ border-color:var(--burgundy); }
.field.has-error .field-error{ display:block; }
.checkbox-field{ display:flex; align-items:flex-start; gap:.7rem; }
.checkbox-field input{ width:auto; margin-top:.3rem; }
.checkbox-field label{ margin:0; font-size:.85rem; }

.confirm-panel{ border:1px solid var(--line-strong); padding:3rem; text-align:left; max-width:520px; }
.confirm-panel .ref{ font-family:var(--mono); color:var(--burgundy); margin:1rem 0 2rem; font-size:1.1rem; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer{ border-top:1px solid var(--line); padding:clamp(48px,7vw,88px) 0 30px; }
.footer-statement{ font-family:var(--serif); font-size:clamp(1.8rem,4.5vw,3.2rem); max-width:14ch; margin-bottom:3rem; }
.footer-grid{ display:grid; grid-template-columns:1.3fr repeat(3,1fr); gap:2.5rem; padding-bottom:3rem; border-bottom:1px solid var(--line); }
.footer-grid h5{ font-family:var(--mono); font-size:.68rem; letter-spacing:.1em; color:var(--ink-faint); margin-bottom:1rem; text-transform:uppercase; }
.footer-grid a, .footer-grid p{ display:block; color:var(--ink-soft); font-size:.9rem; margin-bottom:.6rem; }
.footer-grid a:hover{ color:var(--burgundy); }
.footer-bottom{ display:flex; justify-content:space-between; padding-top:1.6rem; font-family:var(--mono); font-size:.68rem; color:var(--ink-faint); flex-wrap:wrap; gap:.6rem; }
@media (max-width:800px){ .footer-grid{ grid-template-columns:1fr 1fr; } }

/* ==========================================================================
   TOASTS
   ========================================================================== */
.toast-stack{ position:fixed; bottom:26px; left:50%; transform:translateX(-50%); z-index:200; display:flex; flex-direction:column; gap:10px; align-items:center; }
.toast{
  background:var(--ink); color:var(--bg); font-size:.84rem; padding:12px 20px; border-radius:2px;
  opacity:0; transform:translateY(8px); transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  box-shadow:0 8px 24px rgba(0,0,0,.18);
}
.toast.show{ opacity:1; transform:translateY(0); }

/* ==========================================================================
   OVERLAYS: search / command palette / drawer / modal
   ========================================================================== */
.overlay-scrim{ position:fixed; inset:0; background:rgba(20,17,12,.5); z-index:150; opacity:0; pointer-events:none; transition:opacity var(--dur) var(--ease); }
.overlay-scrim.is-open{ opacity:1; pointer-events:auto; }

.search-overlay{
  position:fixed; top:0; left:0; right:0; z-index:160; background:var(--bg);
  border-bottom:1px solid var(--line); padding:2.4rem var(--gutter);
  transform:translateY(-100%); transition:transform var(--dur) var(--ease);
}
.search-overlay.is-open{ transform:translateY(0); }
.search-overlay-inner{ max-width:760px; margin:0 auto; }
.search-overlay input{
  width:100%; font-family:var(--serif); font-size:clamp(1.4rem,3vw,2.1rem); border:none; border-bottom:1px solid var(--line-strong);
  background:transparent; color:var(--ink); padding:.5rem 0;
}
.search-overlay input:focus{ outline:none; border-color:var(--burgundy); }
.search-overlay-meta{ display:flex; justify-content:space-between; margin-top:1.2rem; font-family:var(--mono); font-size:.7rem; color:var(--ink-faint); }
.search-suggests{ margin-top:1.6rem; display:flex; gap:.6rem; flex-wrap:wrap; }

.command-palette{
  position:fixed; top:14%; left:50%; transform:translate(-50%,-14px); width:min(560px,90vw); z-index:170;
  background:var(--bg-raised); border:1px solid var(--line-strong); box-shadow:0 20px 60px rgba(0,0,0,.25);
  opacity:0; pointer-events:none; transition:opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.command-palette.is-open{ opacity:1; pointer-events:auto; transform:translate(-50%,0); }
.command-palette input{ width:100%; border:none; border-bottom:1px solid var(--line); background:transparent; padding:1rem 1.2rem; font-size:1rem; color:var(--ink); }
.command-palette input:focus{ outline:none; }
.command-list{ max-height:320px; overflow-y:auto; }
.command-item{ padding:.85rem 1.2rem; font-size:.9rem; display:flex; justify-content:space-between; cursor:pointer; }
.command-item.active, .command-item:hover{ background:var(--bg-sunken); }
.command-item span.k{ font-family:var(--mono); font-size:.68rem; color:var(--ink-faint); }

.drawer{
  position:fixed; top:0; right:0; bottom:0; width:min(400px,90vw); background:var(--bg-raised); z-index:180;
  border-left:1px solid var(--line); transform:translateX(100%); transition:transform var(--dur) var(--ease);
  padding:1.6rem; overflow-y:auto;
}
.drawer.is-open{ transform:translateX(0); }
.drawer-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:1.4rem; }
.drawer-empty{ color:var(--ink-soft); font-size:.9rem; padding:2rem 0; }
.saved-item{ display:flex; justify-content:space-between; gap:.8rem; padding:.9rem 0; border-bottom:1px solid var(--line); align-items:center; }
.saved-item a{ font-size:.9rem; }
.saved-item button{ background:none; border:none; color:var(--ink-faint); font-size:.8rem; }
.saved-item button:hover{ color:var(--burgundy); }

.modal-scrim{ position:fixed; inset:0; background:rgba(20,17,12,.55); z-index:190; opacity:0; pointer-events:none; transition:opacity var(--dur); display:flex; align-items:center; justify-content:center; padding:20px; }
.modal-scrim.is-open{ opacity:1; pointer-events:auto; }
.modal{ background:var(--bg-raised); border:1px solid var(--line-strong); width:min(480px,100%); padding:2rem; }
.modal h3{ font-family:var(--serif); font-size:1.4rem; margin-bottom:1rem; }
.share-options{ display:flex; flex-direction:column; gap:.7rem; margin:1.4rem 0; }
.share-options button{ text-align:left; padding:12px 14px; border:1px solid var(--line-strong); background:none; color:var(--ink); }
.share-options button:hover{ border-color:var(--ink); }

/* filter bottom sheet (mobile) */
.sheet{ position:fixed; left:0; right:0; bottom:0; z-index:180; background:var(--bg-raised); border-top:1px solid var(--line-strong);
  transform:translateY(100%); transition:transform var(--dur) var(--ease); padding:1.4rem; max-height:80vh; overflow-y:auto; }
.sheet.is-open{ transform:translateY(0); }

/* ==========================================================================
   ARCHIVE / MAP / TOPIC / LOCATION NAV
   ========================================================================== */
.filter-bar{ display:flex; gap:2.2rem; flex-wrap:wrap; padding:1.6rem 0; border-bottom:1px solid var(--line); margin-bottom:1.6rem; }
.filter-group{ display:flex; flex-direction:column; gap:.5rem; }
.filter-group .lbl{ font-family:var(--mono); font-size:.65rem; letter-spacing:.1em; color:var(--ink-faint); text-transform:uppercase; }
.results-count{ font-family:var(--mono); font-size:.75rem; color:var(--ink-soft); margin-bottom:1rem; }

.map-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line); border:1px solid var(--line); }
.map-city{ background:var(--bg-raised); padding:1.4rem 1rem; text-align:left; border:none; color:var(--ink); transition:background var(--dur); }
.map-city:hover, .map-city.is-active{ background:var(--bg-sunken); color:var(--burgundy); }
.map-city .name{ font-family:var(--serif); font-size:1.05rem; }
.map-city .coord{ font-family:var(--mono); font-size:.62rem; color:var(--ink-faint); }
@media (max-width:700px){ .map-grid{ grid-template-columns:repeat(2,1fr);} }
.city-panel{ margin-top:2rem; padding:1.6rem; border:1px solid var(--line); display:none; }
.city-panel.is-open{ display:block; }
.city-stats{ display:flex; gap:2.4rem; margin-top:1rem; flex-wrap:wrap; }
.city-stats div span{ display:block; }
.city-stats .n{ font-family:var(--serif); font-size:2rem; color:var(--burgundy); }
.city-stats .l{ font-family:var(--mono); font-size:.65rem; color:var(--ink-soft); text-transform:uppercase; }

/* ==========================================================================
   READER (transcript / publication)
   ========================================================================== */
.reader-shell{ display:grid; grid-template-columns:220px 1fr; gap:3rem; }
.reader-controls{ position:sticky; top:100px; align-self:start; display:flex; flex-direction:column; gap:1.4rem; }
.reader-control-group{ display:flex; flex-direction:column; gap:.5rem; }
.reader-control-group .lbl{ font-family:var(--mono); font-size:.62rem; letter-spacing:.08em; color:var(--ink-faint); text-transform:uppercase; }
.text-size-row{ display:flex; gap:.5rem; }
.text-size-row button{ width:32px; height:32px; border:1px solid var(--line-strong); background:none; color:var(--ink); }
.reader-body{ max-width:66ch; font-family:var(--serif); font-size:var(--reader-size,1.18rem); line-height:1.75; }
.reader-body.reading-narrow{ max-width:52ch; }
.reader-body.reading-wide{ max-width:78ch; }
.reader-body p{ margin-bottom:1.3em; }
.reader-body blockquote{ font-style:italic; font-size:1.3em; margin:1.6em 0; padding-left:1.2em; border-left:2px solid var(--burgundy); color:var(--ink-soft); }
.reading-progress{ position:fixed; top:0; left:0; height:2px; background:var(--burgundy); z-index:70; width:0%; transition:width 80ms linear; }
.toc{ font-size:.85rem; }
.toc li{ margin-bottom:.7rem; }
.toc a{ color:var(--ink-soft); }
.toc a.active, .toc a:hover{ color:var(--burgundy); }
@media (max-width:880px){ .reader-shell{ grid-template-columns:1fr; } .reader-controls{ position:static; flex-direction:row; flex-wrap:wrap; } }
html.dark .reader-body{ }
body.focus-mode .site-header, body.focus-mode .site-footer, body.focus-mode .reader-controls{ display:none; }
body.focus-mode .reader-shell{ grid-template-columns:1fr; max-width:70ch; margin:0 auto; }

/* ==========================================================================
   DOCUMENT SYSTEM
   ========================================================================== */
.doc-row{ display:grid; grid-template-columns:40px 1fr auto auto; gap:1.2rem; align-items:center; padding:1.1rem 0; border-bottom:1px solid var(--line); }
.doc-icon{ font-family:var(--mono); font-size:.7rem; border:1px solid var(--line-strong); padding:4px 6px; text-align:center; color:var(--ink-soft); }
.doc-meta{ font-family:var(--mono); font-size:.68rem; color:var(--ink-faint); margin-top:.2rem; }
@media (max-width:700px){ .doc-row{ grid-template-columns:1fr; gap:.5rem; } }

.viewer-scrim{ position:fixed; inset:0; background:rgba(15,13,9,.7); z-index:190; display:flex; align-items:center; justify-content:center; opacity:0; pointer-events:none; transition:opacity var(--dur); padding:20px; }
.viewer-scrim.is-open{ opacity:1; pointer-events:auto; }
.viewer{ background:var(--bg-raised); width:min(720px,100%); max-height:86vh; display:flex; flex-direction:column; border:1px solid var(--line-strong); }
.viewer-head{ display:flex; justify-content:space-between; align-items:center; padding:1.1rem 1.4rem; border-bottom:1px solid var(--line); }
.viewer-body{ padding:2rem 2.4rem; overflow-y:auto; font-family:var(--serif); line-height:1.7; }
.viewer-foot{ display:flex; justify-content:space-between; align-items:center; padding:1rem 1.4rem; border-top:1px solid var(--line); font-family:var(--mono); font-size:.75rem; }

/* ==========================================================================
   PROJECT / SPEECH / MEDIA DETAIL COMMON
   ========================================================================== */
.detail-head{ padding:3rem 0 2rem; border-bottom:1px solid var(--line); }
.detail-meta-row{ display:flex; gap:1.6rem; flex-wrap:wrap; font-family:var(--mono); font-size:.72rem; color:var(--ink-soft); margin-top:1.2rem; }
.detail-tabs{ display:flex; gap:2rem; border-bottom:1px solid var(--line); margin:2.4rem 0 2.4rem; overflow-x:auto; }
.detail-tabs button{ background:none; border:none; padding:.9rem 0; font-size:.88rem; color:var(--ink-soft); border-bottom:2px solid transparent; white-space:nowrap; }
.detail-tabs button.active{ color:var(--ink); border-color:var(--burgundy); }
.tab-panel{ display:none; }
.tab-panel.active{ display:block; }

.count-up{ font-family:var(--serif); font-size:clamp(2.2rem,5vw,3.6rem); color:var(--burgundy); }
.bar{ height:8px; background:var(--line); position:relative; margin-top:.6rem; }
.bar-fill{ position:absolute; inset:0; width:0; background:var(--burgundy); transition:width 900ms var(--ease); }
.ring{ transform:rotate(-90deg); }
.ring-bg{ fill:none; stroke:var(--line); stroke-width:8; }
.ring-fg{ fill:none; stroke:var(--burgundy); stroke-width:8; stroke-dasharray:339; stroke-dashoffset:339; transition:stroke-dashoffset 1s var(--ease); }

/* thread / relationship graph */
.thread{ display:flex; flex-direction:column; }
.thread-node{ display:grid; grid-template-columns:130px 1fr; gap:1.4rem; padding:1.4rem 0; border-top:1px solid var(--line); }
.thread-node:last-child{ border-bottom:1px solid var(--line); }
.thread-tag{ font-family:var(--mono); font-size:.66rem; color:var(--ink-faint); text-transform:uppercase; }
.thread-node h4{ font-family:var(--serif); font-size:1.2rem; }
@media (max-width:700px){ .thread-node{ grid-template-columns:1fr; gap:.3rem; } }

/* ==========================================================================
   MISC PAGE BLOCKS
   ========================================================================== */
.pagehero{ padding:clamp(56px,9vw,110px) 0 clamp(30px,5vw,48px); }
.pull-quote{ font-family:var(--serif); font-style:italic; font-size:clamp(1.4rem,3vw,2.1rem); line-height:1.4; max-width:34ch; margin:2.4rem 0; color:var(--ink); }
.pull-quote cite{ display:block; font-style:normal; font-family:var(--mono); font-size:.7rem; color:var(--ink-soft); margin-top:1rem; }
.facts-panel{ border:1px solid var(--line); }
.facts-row{ display:grid; grid-template-columns:1fr 2fr; padding:1rem 1.4rem; border-bottom:1px solid var(--line); font-size:.92rem; }
.facts-row:last-child{ border-bottom:none; }
.facts-row .k{ color:var(--ink-soft); font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.05em; }

.empty-state{ text-align:left; padding:3.6rem 0; border-top:1px solid var(--line); }
.empty-state h3{ font-family:var(--serif); font-size:1.6rem; margin-bottom:.6rem; }
.empty-state p{ color:var(--ink-soft); }

.loader-screen{ position:fixed; inset:0; background:var(--bg); z-index:500; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.7rem; transition:opacity .4s var(--ease); }
.loader-screen.hide{ opacity:0; pointer-events:none; }
.loader-mark{ font-family:var(--serif); font-size:2.4rem; }
.loader-line{ font-family:var(--mono); font-size:.68rem; letter-spacing:.14em; color:var(--ink-soft); text-transform:uppercase; }

.skip-link{ position:fixed; top:-60px; left:12px; background:var(--ink); color:var(--bg); padding:10px 16px; z-index:999; transition:top var(--dur); }
.skip-link:focus{ top:12px; }

@media (max-width:700px){
  .display-1{ font-size:clamp(2.6rem,13vw,4rem); }
  .reader-shell{ gap:1.4rem; }
}