/* Todd Little site: shared styles (draft) */
:root{
  --ink:#13283D;      /* text, headings */
  --harbor:#173D5D;   /* heritage navy from the original site */
  --paper:#FFFFFF;
  --mist:#EDF1F4;     /* quiet section background */
  --rule:#CBD5DE;
  --muted:#4F6275;
  --signal:#E3A23B;   /* amber, used sparingly */
  --head:"Bricolage Grotesque", "Segoe UI", Arial, sans-serif;
  --body:"Source Serif 4", Georgia, "Times New Roman", serif;
  --wrap:1120px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:18px;line-height:1.65}
img{max-width:100%;display:block}
a{color:var(--harbor);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px}
h1,h2,h3{font-family:var(--head);color:var(--ink);line-height:1.15;margin:0}
h1{font-size:clamp(2.5rem,5.6vw,4.4rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,3vw,2.3rem);font-weight:650;letter-spacing:-.01em}
h3{font-size:1.25rem;font-weight:650}
p{margin:0 0 1em;max-width:64ch}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px}

/* header */
.top{border-bottom:1px solid var(--rule)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;flex-wrap:wrap}
.brand{font-family:var(--head);font-weight:700;font-size:1.3rem;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.nav{display:flex;gap:26px;align-items:center;flex-wrap:wrap;font-family:var(--head);font-size:1rem}
.nav a{color:var(--ink);text-decoration:none}
.nav a:hover,.nav a[aria-current]{color:var(--harbor);text-decoration:underline}
.btn{display:inline-block;font-family:var(--head);font-weight:600;font-size:1rem;padding:.7em 1.2em;border-radius:6px;text-decoration:none;border:2px solid var(--harbor)}
.btn-solid{background:var(--harbor);color:#fff}
.btn-solid:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-line{color:var(--harbor);background:transparent}
.btn-line:hover{background:var(--mist);color:var(--ink)}
.nav .btn{padding:.45em .95em}
.nav .btn-solid,.nav .btn-solid:hover{color:#fff;text-decoration:none}

/* hero */
.hero{padding:72px 0 64px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero .lede{font-size:1.25rem;color:var(--ink);margin-top:22px}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.cone figure{margin:0}
.cone svg{width:100%;height:auto}
.cone figcaption{font-size:.9rem;color:var(--muted);margin-top:10px;max-width:40ch}

/* venues */
.venues{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:22px 0}
.venues p{max-width:none;margin:0;font-family:var(--head);font-size:1rem;color:var(--muted)}
.venues strong{color:var(--ink);font-weight:600}

/* sections */
section.block{padding:84px 0}
section.tint{background:var(--mist)}
.intro{max-width:64ch;margin-bottom:40px}
.intro p{margin-top:14px;font-size:1.1rem}

/* offers: two unequal columns, not cards */
.offers{display:grid;grid-template-columns:1fr 1fr;gap:64px}
.offer h3{font-size:1.6rem;margin-bottom:12px}
.offer ul{padding-left:1.1em;margin:0 0 1.2em}
.offer li{margin:.25em 0}
.offer .more{font-family:var(--head);font-weight:600}
.aside-note{margin-top:48px;padding-top:22px;border-top:1px solid var(--rule);color:var(--muted)}

/* talks list */
.talks{list-style:none;padding:0;margin:0;border-top:2px solid var(--ink)}
.talk{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.4fr) auto;gap:32px;padding:26px 0;border-bottom:1px solid var(--rule);align-items:start}
.talk h3 a{color:var(--ink);text-decoration:none}
.talk h3 a:hover{text-decoration:underline}
.talk p{font-size:1rem;margin:0}
.talk .where{font-size:.92rem;color:var(--muted);margin-top:8px}
.talk .links{display:flex;flex-direction:column;gap:6px;font-family:var(--head);font-size:.95rem;white-space:nowrap}
.watch::before{content:"";display:inline-block;width:0;height:0;border-left:9px solid var(--signal);border-top:6px solid transparent;border-bottom:6px solid transparent;margin-right:8px;vertical-align:1px}

/* models */
.models{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:36px 64px}
.model h3{margin-bottom:6px}
.model p{font-size:1rem;margin:0}

/* about */
.about .wrap{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:start}
.about img{border-radius:8px;width:260px}

/* contact */
.contact{background:var(--harbor);color:#fff;padding:84px 0}
.contact h2{color:#fff}
.contact p{font-size:1.15rem}
.contact a{color:#fff}
.contact .btn{border-color:#fff}
.contact .btn-solid{background:#fff;color:var(--harbor)}
.contact .btn-solid:hover{background:var(--signal);border-color:var(--signal);color:var(--ink)}
.contact .btn-line{color:#fff}
.contact .btn-line:hover{background:rgba(255,255,255,.12);color:#fff}
.contact .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}

footer{padding:28px 0;font-family:var(--head);font-size:.92rem;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted)}

/* speaking page */
.pagehead{padding:64px 0 40px}
.pagehead p{font-size:1.2rem;margin-top:18px}
.formats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}
.formats h3{margin-bottom:6px}
.formats p{font-size:1rem}
.kit{display:grid;grid-template-columns:200px 1fr;gap:44px;align-items:start}
.kit img{border-radius:8px}

@media (max-width:860px){
  .hero .wrap,.offers,.about .wrap,.kit{grid-template-columns:1fr}
  .hero{padding:48px 0}
  .cone{max-width:460px}
  .models,.formats{grid-template-columns:1fr}
  .talk{grid-template-columns:1fr;gap:10px}
  .talk .links{flex-direction:row;gap:18px}
  section.block,.contact{padding:60px 0}
  .about img{width:200px}
  body{font-size:17px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .top .wrap{padding-top:10px;padding-bottom:12px;gap:8px}
  .nav{gap:14px;font-size:.95rem}
  .nav .btn{display:none}
}

/* v2: model-led home */
.hero-model .wrap{grid-template-columns:.9fr 1.1fr;gap:48px}
.hero-model h1{font-size:clamp(2.1rem,4vw,3.2rem);line-height:1.12}
.hero-figure{margin:0}
.hero-figure img{width:100%;height:auto}

.pillars{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:44px 40px}
.pillar{border-top:6px solid var(--c);padding-top:20px}
.pillar.wide{grid-column:1 / -1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.7fr);column-gap:48px}
.pillar.wide h3{grid-row:span 3}
.pillar h3{color:var(--c);font-size:1.45rem;margin-bottom:8px}
.pillar .facets{font-family:var(--head);font-size:1rem;color:var(--ink);margin-bottom:8px}
.pillar p{margin:0 0 10px;font-size:1rem}
.related{font-size:.95rem;color:var(--muted)}
.related a{margin-right:2px}

.ways{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:48px}
.way h3{font-size:1.4rem;margin-bottom:10px}
.way p{font-size:1rem}
.way .more{font-family:var(--head);font-weight:600}

.about .portrait{width:300px;height:auto;border-radius:8px}
.about .wrap{grid-template-columns:300px 1fr}
.badges{display:flex;gap:20px;align-items:center;margin:18px 0 22px}
.badges img{height:96px;width:auto;max-width:none}

@media (max-width:860px){
  .hero-model .wrap{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .pillar.wide{grid-template-columns:1fr}
  .pillar.wide h3{grid-row:auto}
  .ways{grid-template-columns:1fr;gap:32px}
  .about .wrap{grid-template-columns:1fr}
  .about .portrait{width:240px}
}

/* v3: topic pages, talks by topic, articles */
.pillar h3 a{color:inherit;text-decoration:none}
.pillar h3 a:hover{text-decoration:underline}
.pillar .go{font-family:var(--head);font-weight:600;margin-top:4px}
.pillar .go a::after{content:" \2192"}
.muted{color:var(--muted);font-size:1rem}
.kicker{font-family:var(--head);font-size:.95rem;color:var(--muted);margin:0 0 10px}
.kicker a{color:var(--muted)}
.topichead{border-top:8px solid var(--c)}
.topichead h1{color:var(--c)}
.topichead .facets{font-family:var(--head);font-size:1.05rem;margin:14px 0 22px;color:var(--ink)}
.topichead p{font-size:1.15rem}
.tsec{margin-top:52px}
.tsec>h2{margin-bottom:20px}
.allink{margin-top:18px;font-family:var(--head);font-weight:600}
.allink a::after{content:" \2192"}
.rel{font-size:1rem;max-width:none}
.alist{list-style:none;padding:0;margin:0;border-top:2px solid var(--ink)}
.alist li{padding:18px 0;border-bottom:1px solid var(--rule)}
.alist li>a{font-family:var(--head);font-size:1.2rem;font-weight:600;color:var(--ink);text-decoration:none}
.alist li>a:hover{text-decoration:underline}
.alist p{margin:4px 0 0;font-size:1rem;color:var(--muted)}
.plist{list-style:none;padding:0;margin:0;border-top:2px solid var(--ink)}
.plist li{padding:14px 0;border-bottom:1px solid var(--rule);display:flex;flex-direction:column;gap:2px}
.plist a{font-family:var(--head);font-weight:600;font-size:1.05rem}
.plist span{font-size:.95rem;color:var(--muted)}
.acat{margin-bottom:48px}
.acat h2{margin-bottom:14px}
.acat h2 a{color:var(--c);text-decoration:none}

.jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;max-width:none}
.jump a{font-family:var(--head);font-weight:600;font-size:.98rem;padding:.4em .9em;border-radius:6px;border:2px solid var(--c);color:var(--c);text-decoration:none}
.jump a:hover{background:var(--c);color:#fff}
.cat-sec{padding:44px 0}
.cat-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;border-bottom:6px solid var(--c);padding-bottom:10px;flex-wrap:wrap}
.cat-head h2{color:var(--c)}
.cat-head a{font-family:var(--head);font-weight:600}
.ptalks{list-style:none;padding:0;margin:0}
.ptalk{padding:26px 0;border-bottom:1px solid var(--rule);scroll-margin-top:16px}
.ptalk h3{margin-bottom:10px}
.feat{font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--c);border:1.5px solid var(--c);border-radius:4px;padding:.15em .5em;vertical-align:4px;margin-left:6px}
.ptalk .abs p,.ptalk .abs li{font-size:1rem}
.ptalk .abs h3{font-size:1rem;margin:14px 0 6px}
.ptalk .abs ul{margin:0 0 12px;padding-left:1.2em}
.ptalk details summary{font-family:var(--head);font-weight:600;font-size:.95rem;color:var(--harbor);cursor:pointer;margin-bottom:8px}
.ptalk .where{font-size:.92rem;color:var(--muted);max-width:none;margin:10px 0 0}
.ptalk .where strong{color:var(--ink);font-weight:600;font-family:var(--head)}
.ptalk .vids{display:flex;flex-wrap:wrap;gap:6px 22px;font-family:var(--head);font-size:.95rem;margin:10px 0 0;max-width:none}
.ptalk:target{background:linear-gradient(90deg,var(--mist),transparent)}

.article{padding:56px 0 72px}
.wrap.narrow{max-width:780px}
.article h1{font-size:clamp(2rem,4.4vw,3rem);margin-bottom:28px}
.prose h2{font-size:1.5rem;margin:40px 0 12px}
.prose p,.prose li{max-width:none}
.prose ul,.prose ol{padding-left:1.2em;margin:0 0 1.2em}
.prose li p{margin:0 0 .5em}
.prose blockquote{margin:24px 0;padding:4px 0 4px 22px;border-left:4px solid var(--c);color:#2a3b4c}
.prose blockquote.verse p{font-style:italic;line-height:1.75}
.prose figure{margin:28px 0}
.prose figure img{height:auto;margin:0 auto;border-radius:4px}
.prose figure.pair{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:end}
.prose figure.single img{max-height:520px;width:auto}
.prose figure.matrix svg{width:100%;max-width:600px;height:auto;display:block;font-family:var(--head)}
.prose table{border-collapse:collapse;width:100%;margin:20px 0 28px;font-size:1rem}
.prose th,.prose td{border-bottom:1px solid var(--rule);padding:10px 12px;text-align:left;vertical-align:top}
.prose thead th{border-bottom:2px solid var(--ink);font-family:var(--head)}
.more-on{margin-top:56px;padding-top:24px;border-top:6px solid var(--c)}
.more-on h2{font-size:1.4rem;margin-bottom:10px}
.more-on ul{padding-left:1.1em}
.more-on p{font-family:var(--head);font-weight:600}
.more-on p a::after{content:" \2192"}
@media (max-width:860px){
  .prose figure.pair{grid-template-columns:1fr}
}

/* v4 */
.nav{gap:22px}
.creds{background:var(--mist);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:26px 0}
.creds .wrap{display:grid;grid-template-columns:96px 1fr auto;gap:28px;align-items:center}
.cphoto{width:96px;height:96px;object-fit:cover;object-position:50% 20%;border-radius:50%}
.ctext p{margin:0;font-size:1rem;max-width:70ch}
.ctext .cname{font-family:var(--head);font-weight:700;font-size:1.2rem;margin-bottom:4px}
.ctext .cmore{margin-top:6px;font-family:var(--head);font-weight:600;font-size:.95rem}
.ctext .cmore a::after{content:" \2192"}
.cbadges{display:flex;gap:14px;align-items:center}
.cbadges img{height:72px;width:auto}
.pillar .layer{font-family:var(--head);font-weight:700;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin:0 0 6px}
.pillar .layer a{color:var(--c);text-decoration:none}
.pillar h3{color:var(--ink);font-size:1.35rem;line-height:1.25}
.pillar.wide .ph{grid-row:auto}
.pillar.wide{align-items:start}
.idgrid{display:flex;flex-direction:column;gap:18px}
.idrow{display:grid;grid-template-columns:210px 1fr;gap:20px;align-items:start;padding-top:14px;border-top:3px solid var(--c)}
.idlabel{font-family:var(--head);font-weight:700;color:var(--c);text-decoration:none;padding-top:5px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-family:var(--head);font-size:.95rem;font-weight:500;padding:.35em .8em;border-radius:999px;background:#fff;border:1.5px solid var(--c);color:var(--ink);text-decoration:none}
a.chip:hover{background:var(--c);color:#fff}
span.chip{border-style:dashed}
.links .slides,.vids .slides{}
.ptalk .vids .span{color:var(--muted);font-family:var(--body);font-size:.9rem}
.ptalk .vids a{font-weight:600}
.thead-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.topic-fig{margin:0}
.topic-fig img{width:100%;height:auto}
.symptoms{padding:56px 0}
.symptoms h2{color:var(--c)}
.sym{display:grid;grid-template-columns:1fr 1fr;gap:12px 40px;padding:0;margin:22px 0 26px;list-style:none}
.sym li{padding-left:26px;position:relative;font-size:1.05rem}
.sym li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:2px;background:var(--c)}
.train-lead{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.train-lead h3{margin:24px 0 8px}
.objs{padding-left:1.2em;margin:0}
.objs li{margin:.3em 0}
.classes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 48px;border-top:2px solid var(--ink);padding-top:24px}
.class h3{margin-bottom:6px}
.class p{font-size:1rem}
.cform{display:flex;flex-direction:column;gap:18px}
.cform label{display:flex;flex-direction:column;gap:6px;font-family:var(--head);font-weight:600;font-size:.98rem}
.cform input,.cform textarea{font:inherit;font-family:var(--body);font-weight:400;font-size:1rem;padding:.65em .8em;border:1.5px solid var(--rule);border-radius:6px;background:#fff;color:var(--ink)}
.cform input:focus,.cform textarea:focus{border-color:var(--harbor);outline:none}
.cform .row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.cform fieldset{border:1.5px solid var(--rule);border-radius:6px;padding:14px 18px;margin:0}
.cform legend{font-family:var(--head);font-weight:600;padding:0 6px}
.cform label.chk{flex-direction:row;align-items:center;gap:10px;font-weight:500;padding:4px 0}
.cform .chk input{width:18px;height:18px}
.cform .opt{font-weight:400;color:var(--muted)}
.cform button{align-self:flex-start;cursor:pointer}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.prose h3{font-size:1.15rem;margin:28px 0 8px}
.prose th[scope=row]{font-family:var(--head);width:28%}
.prose blockquote.pull p{font-family:var(--head);font-size:1.25rem;font-weight:600;line-height:1.4}
@media (max-width:860px){
  .creds .wrap{grid-template-columns:72px 1fr}
  .cphoto{width:72px;height:72px}
  .cbadges{grid-column:1 / -1}
  .thead-grid,.train-lead,.classes,.sym,.cform .row2{grid-template-columns:1fr}
  .idrow{grid-template-columns:1fr;gap:8px}
}

/* v5: abstract pages, chronological list, papers, consulting */
.abs-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start}
.abs-page h1{margin-bottom:10px}
.evline{font-family:var(--head);font-size:1.1rem;color:var(--c);font-weight:600;margin-bottom:28px}
.abs-side{position:sticky;top:20px;margin-top:34px;display:flex;flex-direction:column;gap:10px;padding:20px;border-top:6px solid var(--c);background:var(--mist);border-radius:0 0 8px 8px}
.sbtn{display:block;font-family:var(--head);font-weight:600;padding:.65em 1em;border-radius:6px;background:var(--harbor);color:#fff;text-decoration:none;text-align:center}
.sbtn:hover{background:var(--ink);color:#fff}
.watch-btn{background:#fff;color:var(--harbor);border:2px solid var(--harbor)}
.watch-btn::before{content:"";display:inline-block;border-left:9px solid var(--signal);border-top:6px solid transparent;border-bottom:6px solid transparent;margin-right:8px;vertical-align:0}
.watch-btn:hover{background:var(--harbor);color:#fff}
.slab{font-family:var(--head);font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:12px 0 0}
.slink{font-family:var(--head);font-size:.95rem}
.yjump{display:flex;flex-wrap:wrap;gap:6px 14px;font-family:var(--head);font-size:.95rem;margin-top:20px;max-width:none}
.yr{padding-top:28px;scroll-margin-top:10px}
.yr h2{border-bottom:2px solid var(--ink);padding-bottom:8px}
.chron{width:100%;border-collapse:collapse;font-size:.97rem}
.chron th{text-align:left;font-family:var(--head);font-size:.82rem;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;padding:10px 12px 6px 0}
.chron td{padding:10px 12px 10px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.chron .c-title{width:48%}
.chron .c-title a{font-family:var(--head);font-weight:600;color:var(--ink);text-decoration:none}
.chron .c-title a:hover{text-decoration:underline}
.chron .c-v{white-space:nowrap;font-family:var(--head);font-size:.9rem;text-align:right}
.sr{position:absolute;left:-9999px}
.book{display:grid;grid-template-columns:180px 1fr;gap:40px;align-items:center}
.book img{border-radius:4px;box-shadow:0 6px 20px rgba(19,40,61,.18);height:auto}
.pubs li{position:relative}
.pubs .ptitle{font-family:var(--head);font-weight:600;font-size:1.05rem}
.ptag{align-self:flex-start;margin-top:6px;font-family:var(--head);font-size:.78rem;font-weight:600;color:var(--c);border:1.5px solid var(--c);border-radius:999px;padding:.1em .7em;text-decoration:none}
.carea{border-top:6px solid var(--c)}
.carea-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}
.carea h2{color:var(--c);margin-bottom:18px}
.clab{font-family:var(--head);font-size:.82rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.sym.one{grid-template-columns:1fr;margin:0}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;counter-reset:s}
.steps li{counter-increment:s;border-top:2px solid var(--ink);padding-top:16px}
.steps li::before{content:counter(s);font-family:var(--head);font-weight:700;font-size:2rem;color:var(--signal);display:block;line-height:1;margin-bottom:8px}
.steps h3{margin-bottom:6px}
.steps p{font-size:1rem}
@media (max-width:860px){
  .abs-grid,.carea-grid,.book,.steps{grid-template-columns:1fr}
  .abs-side{position:static;margin-top:0;order:-1}
  .abs-grid{gap:20px}
  .chron thead{display:none}
  .chron tr{display:block;border-bottom:1px solid var(--rule);padding:10px 0}
  .chron td{display:inline;border:0;padding:0 8px 0 0}
  .chron .c-title{display:block;width:auto;margin-bottom:2px}
}
.chron{table-layout:fixed}