/* ============================================================
   E. EMERSON JONES — author site
   Design system: chalkboard slate + warm chalk + cool paper + brass
   Signature: hand-drawn "convergence curve" (the long run)
   ============================================================ */

:root{
  --slate:#16242B;      /* chalkboard */
  --slate-2:#1D2E36;    /* raised panel on slate */
  --chalk:#ECE8DE;      /* chalk text on slate */
  --chalk-dim:rgba(236,232,222,.64);
  --paper:#E7E9E4;      /* light background */
  --paper-2:#EEF0EB;    /* raised card on paper */
  --ink:#17242B;        /* text on paper */
  --ink-dim:rgba(23,36,43,.66);
  --brass:#B08536;      /* accent */
  --brass-deep:#8A6626;
  --line:rgba(23,36,43,.14);
  --line-chalk:rgba(236,232,222,.18);
  --maxw:1140px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --f-display:"Fraunces",Georgia,serif;
  --f-prose:"Newsreader",Georgia,serif;
  --f-ui:"Inter",system-ui,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--f-ui);
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--brass);color:#fff}

/* ---------- type ---------- */
.display{font-family:var(--f-display);font-weight:500;line-height:1.02;letter-spacing:-.015em}
.prose{font-family:var(--f-prose);font-size:1.15rem;line-height:1.72;color:var(--ink-dim)}
.prose.on-slate{color:var(--chalk-dim)}
.eyebrow{
  font-family:var(--f-ui);font-size:.72rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;color:var(--brass);
}
.on-slate .eyebrow,.eyebrow.on-slate{color:var(--brass)}

/* chalk underline used on section headings */
.rule-chalk{
  display:inline-block;width:56px;height:0;border:0;
  border-top:2px solid var(--brass);margin:0 0 1.4rem;opacity:.9;
}

/* ---------- layout ---------- */
.section{padding:clamp(4rem,9vw,7.5rem) 1.5rem;position:relative}
.wrap{max-width:var(--maxw);margin:0 auto}
.narrow{max-width:760px}
.board{background:var(--slate);color:var(--chalk);
  background-image:
    linear-gradient(var(--line-chalk) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-chalk) 1px,transparent 1px);
  background-size:44px 44px;background-position:center;
}
.board .display{color:var(--chalk)}
.paper{background:var(--paper)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  gap:1rem;padding:.9rem clamp(1.1rem,4vw,2.2rem);
  background:rgba(22,36,43,0);transition:background .35s var(--ease),box-shadow .35s var(--ease);
}
.nav.scrolled{background:rgba(22,36,43,.94);backdrop-filter:blur(8px);box-shadow:0 1px 0 var(--line-chalk)}
.brand{font-family:var(--f-display);font-weight:600;font-size:1.06rem;letter-spacing:.02em;color:var(--chalk)}
.brand span{color:var(--brass)}
.nav-links{display:flex;align-items:center;gap:1.6rem}
.nav-links a{
  font-size:.86rem;font-weight:500;color:var(--chalk-dim);letter-spacing:.01em;
  transition:color .2s var(--ease);
}
.nav-links a:hover,.nav-links a.active{color:var(--chalk)}
.nav-cta{
  font-size:.82rem;font-weight:600;color:var(--slate)!important;background:var(--brass);
  padding:.5rem .95rem;border-radius:2px;transition:background .2s var(--ease),transform .2s var(--ease);
}
.nav-cta:hover{background:#c79b48;transform:translateY(-1px)}
.nav-toggle{display:none;background:none;border:0;color:var(--chalk);cursor:pointer;padding:.3rem}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;font-family:var(--f-ui);
  font-size:.9rem;font-weight:600;letter-spacing:.01em;padding:.85rem 1.4rem;border-radius:2px;
  border:1px solid transparent;cursor:pointer;transition:all .22s var(--ease);white-space:nowrap;
}
.btn .arw{transition:transform .22s var(--ease)}
.btn:hover .arw{transform:translateX(4px)}
.btn-primary{background:var(--brass);color:var(--slate);border-color:var(--brass)}
.btn-primary:hover{background:#c79b48;border-color:#c79b48;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--chalk);border-color:var(--line-chalk)}
.btn-ghost:hover{border-color:var(--chalk);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-ink:hover{background:#22343d;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-2px)}

/* ---------- hero (home) ---------- */
.hero{min-height:92vh;display:flex;align-items:center;padding-top:2rem}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:3rem;align-items:center;width:100%}
.hero h1{font-size:clamp(2.5rem,6vw,4.5rem);margin:.9rem 0 1.3rem}
.hero .prose{max-width:34ch}
.hero-cta{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:2rem}

/* convergence curve signature */
.curve-mount{width:100%;max-width:560px;margin-inline:auto}
.curve-mount svg{width:100%;height:auto;overflow:visible}
.curve-line{fill:none;stroke:var(--brass);stroke-width:1.4;stroke-dasharray:5 7;opacity:.55}
.curve-path{
  fill:none;stroke:var(--chalk);stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;
  filter:url(#chalky);
}
.curve-dot{fill:var(--chalk);opacity:.9}
.curve-cap{fill:var(--brass)}
.curve-label{font-family:var(--f-ui);font-size:11px;letter-spacing:.14em;text-transform:uppercase;fill:var(--chalk-dim)}
@media(prefers-reduced-motion:no-preference){
  .curve-path{stroke-dasharray:1600;stroke-dashoffset:1600;animation:draw 2.4s var(--ease) .3s forwards}
  .curve-line{opacity:0;animation:fade 1s ease 1.9s forwards}
  .curve-dot,.curve-cap{opacity:0;animation:pop .5s var(--ease) forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes fade{to{opacity:.55}}
  @keyframes pop{to{opacity:.9;transform:none}}
}

/* ---------- book cards (home) ---------- */
.books-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.4rem;margin-top:2.6rem}
.bcard .cover img{width:100%;height:100%;object-fit:cover}

/* film / screenplay cards */
.films{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-top:2.4rem}
.film{border:1px solid var(--line-chalk);border-radius:4px;padding:1.6rem 1.7rem;background:var(--slate-2);
  transition:border-color .25s var(--ease),transform .25s var(--ease)}
.film:hover{border-color:var(--brass);transform:translateY(-3px)}
.film .fk{font-size:.68rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--brass)}
.film h3{font-family:var(--f-display);font-weight:500;font-size:1.7rem;margin:.5rem 0 .5rem;color:var(--chalk)}
.film p{font-family:var(--f-prose);color:var(--chalk-dim);font-size:1.02rem;line-height:1.6}
.film .fm{margin-top:1rem;font-size:.78rem;color:var(--chalk-dim)}
.film .fm b{color:var(--chalk)}
.bcard{
  background:var(--paper-2);border:1px solid var(--line);border-radius:4px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.bcard:hover{transform:translateY(-5px);box-shadow:0 18px 40px -22px rgba(23,36,43,.4)}
.bcard .cover{aspect-ratio:1/1.02;position:relative}
.bcard .body{padding:1.4rem 1.4rem 1.6rem}
.bcard .kicker{font-size:.68rem;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--brass)}
.bcard h3{font-family:var(--f-display);font-weight:500;font-size:1.5rem;line-height:1.08;margin:.5rem 0 .55rem}
.bcard p{font-family:var(--f-prose);color:var(--ink-dim);font-size:1rem;line-height:1.55}
.bcard .more{margin-top:1rem;font-size:.84rem;font-weight:600;color:var(--brass-deep);display:inline-flex;gap:.4rem}
.bcard:hover .more .arw{transform:translateX(4px)}

/* ---------- css book cover ---------- */
.cover-art{
  background:var(--slate);color:var(--chalk);height:100%;width:100%;
  display:flex;flex-direction:column;justify-content:space-between;padding:1.5rem 1.4rem;
  background-image:linear-gradient(180deg,rgba(255,255,255,.03),transparent 40%);
  position:relative;overflow:hidden;
}
.cover-art::after{content:"";position:absolute;inset:.55rem;border:1px solid var(--line-chalk);pointer-events:none}
.cover-art .ca-top{font-family:var(--f-ui);font-size:.6rem;letter-spacing:.24em;text-transform:uppercase;color:var(--brass)}
.cover-art .ca-title{font-family:var(--f-display);font-weight:500;font-size:1.7rem;line-height:1.02;margin-top:.4rem}
.cover-art .ca-sub{font-family:var(--f-prose);font-size:.82rem;color:var(--chalk-dim);margin-top:.5rem;font-style:italic}
.cover-art .ca-author{font-family:var(--f-ui);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--chalk-dim)}
.cover-art .ca-mark{position:absolute;right:-30px;bottom:34px;width:150px;opacity:.5}
.cover-art.warm{background:#20303a}
.cover-art.deep{background:#12242c}

/* ---------- book page hero ---------- */
.bookhero{padding-top:3rem}
.bookhero-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.bookhero .coverframe{max-width:320px;width:100%;box-shadow:0 30px 60px -30px rgba(0,0,0,.6);aspect-ratio:1/1.5;margin-inline:auto}
.bookhero h1{font-size:clamp(2.3rem,5.2vw,3.8rem);margin:.6rem 0 .4rem}
.bookhero .subtitle{font-family:var(--f-prose);font-style:italic;font-size:1.3rem;color:var(--chalk-dim);margin-bottom:1.6rem}
.meta-row{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.6rem 0}
.tag{font-family:var(--f-ui);font-size:.74rem;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--line-chalk);color:var(--chalk-dim);padding:.4rem .8rem;border-radius:2px}
.tag.live{border-color:var(--brass);color:var(--brass)}

/* generic content blocks on book pages */
.lede{font-family:var(--f-prose);font-size:clamp(1.3rem,2.4vw,1.7rem);line-height:1.5;color:var(--ink);max-width:20ch}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:2.4rem;margin-top:1.5rem}
.cols .prose{font-size:1.08rem}
.callout{border-left:2px solid var(--brass);padding:.2rem 0 .2rem 1.3rem;font-family:var(--f-prose);
  font-style:italic;font-size:1.25rem;line-height:1.5;color:var(--ink);margin:2rem 0}
.on-slate .callout{color:var(--chalk)}

/* comps / facts strip */
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2.5rem}
.fact .n{font-family:var(--f-display);font-size:2.2rem;color:var(--brass);line-height:1}
.fact .l{font-size:.9rem;color:var(--ink-dim);margin-top:.4rem}
.on-slate .fact .l{color:var(--chalk-dim)}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}

/* ---------- speaking ---------- */
.topics{display:grid;grid-template-columns:repeat(2,1fr);gap:1.2rem;margin-top:2.4rem}
.topic{border:1px solid var(--line);border-radius:4px;padding:1.3rem 1.4rem;background:var(--paper-2)}
.topic h4{font-family:var(--f-display);font-weight:500;font-size:1.22rem;margin-bottom:.35rem}
.topic p{font-family:var(--f-prose);color:var(--ink-dim);font-size:1rem}
.formats{margin-top:1.6rem;font-size:.92rem;color:var(--ink-dim)}
.formats b{color:var(--ink)}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:.35rem;margin-bottom:.9rem}
.field label{font-size:.78rem;font-weight:600;letter-spacing:.03em;color:var(--chalk-dim)}
.paper .field label{color:var(--ink-dim)}
.field input,.field textarea{
  font-family:var(--f-ui);font-size:.95rem;padding:.75rem .9rem;border-radius:2px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-chalk);color:var(--chalk);
}
.paper .field input,.paper .field textarea{background:#fff;border:1px solid var(--line);color:var(--ink)}
.field input:focus,.field textarea:focus{outline:2px solid var(--brass);outline-offset:1px;border-color:transparent}
.form-inline{display:flex;gap:.6rem;max-width:480px}
.form-inline input{flex:1}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.formnote{font-size:.78rem;color:var(--chalk-dim);margin-top:.7rem}
.paper .formnote{color:var(--ink-dim)}
.form-status{font-family:var(--f-prose);font-style:italic;margin-top:1rem;min-height:1.4em;color:var(--brass)}

/* newsletter block */
.news-wrap{max-width:640px}
.news-name{font-family:var(--f-display);font-size:clamp(2rem,4.5vw,3rem);margin:.4rem 0 .3rem}

/* ---------- footer ---------- */
.foot{background:var(--slate);color:var(--chalk-dim);padding:3.2rem 1.5rem 2.4rem;
  border-top:1px solid var(--line-chalk)}
.foot-grid{max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;
  gap:2rem;flex-wrap:wrap;align-items:flex-start}
.foot .brand{margin-bottom:.6rem}
.foot-links{display:flex;gap:1.4rem;flex-wrap:wrap;font-size:.86rem}
.foot-links a:hover{color:var(--chalk)}
.foot-bottom{max-width:var(--maxw);margin:2.4rem auto 0;padding-top:1.4rem;border-top:1px solid var(--line-chalk);
  font-size:.78rem;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}

/* cross-links between books */
.also{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:2.4rem}
.also a{display:flex;justify-content:space-between;align-items:center;gap:1rem;
  border:1px solid var(--line-chalk);border-radius:4px;padding:1.1rem 1.3rem;transition:border-color .2s var(--ease),transform .2s var(--ease)}
.also a:hover{border-color:var(--brass);transform:translateY(-2px)}
.also .t{font-family:var(--f-display);font-size:1.2rem;color:var(--chalk)}
.also .k{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--chalk-dim)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- section heading helper ---------- */
.shead{max-width:640px;margin-bottom:.5rem}
.shead h2{font-size:clamp(1.9rem,4vw,2.9rem);margin:.7rem 0 0}

/* ---------- responsive ---------- */
@media(max-width:860px){
  .hero-grid,.bookhero-grid,.about-grid{grid-template-columns:1fr}
  .hero{min-height:auto;padding-top:1rem}
  .curve-mount{margin-top:1rem;max-width:460px}
  .books-grid{grid-template-columns:1fr;max-width:420px;margin-inline:auto}
  .films{grid-template-columns:1fr}
  .cols,.topics,.form-row,.also{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr 1fr}
  .bookhero .coverframe{max-width:240px}
  .nav-links{
    position:fixed;inset:0 0 auto 0;top:0;flex-direction:column;align-items:flex-start;gap:1rem;
    background:rgba(20,32,39,.98);padding:5rem 1.8rem 2rem;transform:translateY(-100%);
    transition:transform .38s var(--ease);height:auto;
  }
  .nav-links.open{transform:none}
  .nav-links a{font-size:1.1rem}
  .nav-toggle{display:block;z-index:60}
  .form-inline{flex-direction:column}
}
@media(max-width:460px){.facts{grid-template-columns:1fr}}