/* ============================================================
   Richard H. Roberts — personal site
   Signature: citation motif. Palette: ink + warm paper + gold highlight.
   Type: Bricolage Grotesque (display) / Newsreader (body) / IBM Plex Mono (data)
   ============================================================ */

:root{
  --ink:#17181C;
  --ink-soft:#43444B;
  --navy:#14203A;
  --navy-2:#1B2C4B;
  --paper:#F5F4EF;
  --card:#FFFFFF;
  --gold:#F0A500;
  --gold-hi:#F6CE6B;   /* highlighter fill */
  --gold-deep:#9A6B00; /* gold text on light, for contrast */
  --line:#E4E1D7;
  --line-dark:rgba(255,255,255,.15);
  --muted:#6E6E67;
  --muted-dark:rgba(233,236,242,.62);
  --maxw:1140px;
  --pad:clamp(1.25rem,5vw,2.5rem);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Newsreader",Georgia,serif;
  font-size:1.16rem;
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,.display{font-family:"Bricolage Grotesque","Newsreader",sans-serif;font-weight:700;letter-spacing:-.02em;line-height:1.04;margin:0}
p{margin:0 0 1rem}
a{color:inherit}

.mono{font-family:"IBM Plex Mono",ui-monospace,monospace}
.eyebrow{
  font-family:"IBM Plex Mono",monospace;
  font-size:.72rem;font-weight:500;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold-deep);
  display:flex;align-items:center;gap:.6rem;margin:0 0 1.1rem;
}
.eyebrow::before{content:"";width:1.6rem;height:1px;background:var(--gold);display:inline-block}
.on-dark .eyebrow{color:var(--gold)}

/* highlighter mark on key phrases */
.hl{
  background:linear-gradient(transparent 58%, var(--gold-hi) 58%, var(--gold-hi) 94%, transparent 94%);
  padding:0 .06em;
}

/* citation marker */
.cite{
  font-family:"IBM Plex Mono",monospace;
  font-size:.56em;font-weight:600;
  color:var(--gold-deep);
  vertical-align:super;
  margin-left:.15em;letter-spacing:0;
}
.on-dark .cite{color:var(--gold)}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}
section{padding-block:clamp(3.5rem,8vw,6rem)}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(245,244,239,.85);backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;letter-spacing:-.01em;font-size:1.08rem;text-decoration:none;color:var(--ink)}
.brand .b{color:var(--gold-deep);font-family:"IBM Plex Mono",monospace;font-weight:600}
.nav-links{display:flex;gap:1.6rem;align-items:center}
.nav-links a{
  font-family:"IBM Plex Mono",monospace;font-size:.76rem;letter-spacing:.08em;text-transform:uppercase;
  text-decoration:none;color:var(--ink-soft);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.contact-link{color:var(--ink);border-bottom:2px solid var(--gold);padding-bottom:2px}
@media (max-width:640px){.nav-links a:not(.contact-link){display:none}}
@media (max-width:640px){.brand .mp{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  font-family:"IBM Plex Mono",monospace;font-size:.8rem;letter-spacing:.04em;
  text-decoration:none;padding:.85rem 1.35rem;border-radius:2px;
  transition:transform .15s ease, background .2s ease, color .2s ease;
}
.btn-primary{background:var(--ink);color:var(--paper);border:1px solid var(--ink)}
.btn-primary:hover{background:var(--gold);color:var(--ink);border-color:var(--gold);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.on-dark .btn-ghost{color:var(--paper);border-color:var(--line-dark)}
.on-dark .btn-ghost:hover{border-color:var(--paper)}

/* ---------- hero ---------- */
.hero{padding-top:clamp(3rem,7vw,5rem)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.hero h1{font-size:clamp(2.7rem,6.2vw,4.7rem);margin-bottom:1.4rem}
.hero .lead{font-size:clamp(1.2rem,1.7vw,1.4rem);color:var(--ink-soft);max-width:34ch;margin-bottom:1.9rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:2rem}
.hero-trust{font-family:"IBM Plex Mono",monospace;font-size:.74rem;letter-spacing:.03em;color:var(--muted);line-height:1.9}
.hero-photo{position:relative}
.hero-photo img{width:100%;height:auto;display:block;border-radius:3px;filter:saturate(1.02)}
.hero-photo .frame{position:absolute;inset:14px -14px -14px 14px;border:1px solid var(--gold);border-radius:3px;z-index:-1}
.engines{margin-top:1.4rem;font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.engines b{color:var(--ink-soft);font-weight:500}
@media (max-width:820px){
  .hero-grid{grid-template-columns:1fr}
  .hero-photo{order:-1;max-width:380px}
}

/* ---------- proof band (dark) ---------- */
.proof{background:var(--navy);color:#EDEFF3}
.proof .lead{color:var(--muted-dark);max-width:52ch;font-size:1.15rem}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1.2rem,3vw,2.4rem);margin-top:2.6rem}
.metric .num{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:clamp(2.3rem,4.6vw,3.4rem);color:#fff;line-height:1;letter-spacing:-.03em}
.metric .lbl{display:block;margin-top:.7rem;font-family:"IBM Plex Mono",monospace;font-size:.74rem;line-height:1.5;letter-spacing:.02em;color:var(--muted-dark)}
.proof .footnote{margin-top:2.4rem;font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--muted-dark);letter-spacing:.02em;border-top:1px solid var(--line-dark);padding-top:1.1rem}
@media (max-width:720px){.metrics{grid-template-columns:1fr 1fr;gap:1.8rem 1.2rem}}

/* ---------- approach ---------- */
.section-head{max-width:40ch;margin-bottom:2.6rem}
.section-head h2{font-size:clamp(1.9rem,3.8vw,2.9rem)}
.section-head .sub{margin-top:1rem;color:var(--ink-soft)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.4rem,3vw,2.4rem);counter-reset:s}
.step{border-top:2px solid var(--ink);padding-top:1.1rem}
.step .n{font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:var(--gold-deep);letter-spacing:.1em}
.step h3{font-size:1.3rem;margin:.5rem 0 .6rem}
.step p{font-size:1.04rem;color:var(--ink-soft);margin:0}
.kicker{margin-top:2.4rem;font-size:1.3rem;max-width:44ch;line-height:1.4}
@media (max-width:720px){.steps{grid-template-columns:1fr;gap:1.6rem}}

/* ---------- work ---------- */
.work{background:#EFEDE6}
.cases{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.case{
  background:var(--card);border:1px solid var(--line);border-radius:4px;
  padding:clamp(1.4rem,2.5vw,2rem);display:flex;flex-direction:column;
  transition:transform .18s ease, box-shadow .18s ease;
}
.case:hover{transform:translateY(-3px);box-shadow:0 18px 40px -24px rgba(20,32,58,.4)}
.case .tag{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.case h3{font-size:1.75rem;margin:.35rem 0 .1rem}
.case .role{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--gold-deep);letter-spacing:.03em;margin-bottom:1.1rem}
.case ul.stats{list-style:none;padding:0;margin:0 0 1.1rem;display:grid;gap:.55rem}
.case ul.stats li{display:flex;gap:.7rem;align-items:baseline;font-size:1.02rem;color:var(--ink)}
.case ul.stats b{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;color:var(--ink);min-width:5.6rem;font-size:1.12rem;letter-spacing:-.01em}
.case blockquote{margin:auto 0 0;padding-top:1.1rem;border-top:1px solid var(--line);font-style:italic;color:var(--ink-soft);font-size:1.02rem}
.case blockquote cite{display:block;margin-top:.5rem;font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--muted);letter-spacing:.02em}

.crosssector{margin-top:1.4rem;background:var(--card);border:1px solid var(--line);border-radius:4px;padding:clamp(1.4rem,2.5vw,2rem)}
.crosssector .cs-head{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:1.2rem}
.cs-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.cs-item .cat{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--gold-deep);letter-spacing:.03em}
.cs-item h4{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:1.25rem;margin:.2rem 0 .5rem}
.cs-item p{font-size:1rem;color:var(--ink-soft);margin:0}
.cs-item p b{font-family:"Bricolage Grotesque",sans-serif;color:var(--ink)}
@media (max-width:720px){.cases,.cs-grid{grid-template-columns:1fr}}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1fr;gap:1.4rem;max-width:60ch}
.about p{color:var(--ink-soft)}
.about .lede{font-size:1.35rem;color:var(--ink);line-height:1.45;margin-bottom:1.4rem}
.about .novel-link{
  display:inline-flex;align-items:center;gap:.5rem;margin-top:.4rem;
  font-family:"IBM Plex Mono",monospace;font-size:.8rem;letter-spacing:.04em;text-decoration:none;
  color:var(--ink);border-bottom:2px solid var(--gold);padding-bottom:3px;
}
.about .novel-link:hover{color:var(--gold-deep)}
.credlist{list-style:none;padding:1.4rem 0 0;margin:1.4rem 0 0;border-top:1px solid var(--line);display:grid;gap:.5rem;font-family:"IBM Plex Mono",monospace;font-size:.82rem;color:var(--ink-soft);letter-spacing:.01em}
.credlist b{color:var(--ink);font-weight:500}

/* ---------- contact ---------- */
.contact{background:var(--navy);color:#EDEFF3}
.contact h2{font-size:clamp(2.2rem,5vw,3.4rem);margin-bottom:1.6rem}
.paths{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;margin-bottom:2.4rem}
.path{border:1px solid var(--line-dark);border-radius:4px;padding:1.4rem}
.path .q{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:1.2rem;margin-bottom:.4rem;color:#fff}
.path p{color:var(--muted-dark);font-size:1rem;margin:0}
.contact-lines{display:flex;flex-wrap:wrap;gap:1.6rem;align-items:center;font-family:"IBM Plex Mono",monospace;font-size:.86rem}
.contact-lines a{color:#EDEFF3;text-decoration:none;border-bottom:1px solid var(--gold);padding-bottom:2px}
.contact-lines a:hover{color:var(--gold)}
@media (max-width:640px){.paths{grid-template-columns:1fr}}

/* ---------- footer ---------- */
.footer{background:#0F1727;color:var(--muted-dark);padding-block:2.4rem}
.footer .wrap{display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between}
.footer .fbrand{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;color:#EDEFF3;font-size:1rem}
.footer .fmeta{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.03em}
.footer a{color:var(--muted-dark);text-decoration:none;font-family:"IBM Plex Mono",monospace;font-size:.74rem;letter-spacing:.04em}
.footer a:hover{color:var(--gold)}
.footer .flinks{display:flex;gap:1.4rem;align-items:center}
.footer .novel-tag{color:#EDEFF3;border-bottom:1px solid var(--gold);padding-bottom:2px}

/* ---------- novelist page ---------- */
.np-hero{padding-top:clamp(3rem,7vw,5rem)}
.np-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.np-hero h1{font-size:clamp(2.4rem,5vw,3.8rem);margin-bottom:1.2rem}
.np-hero .lead{font-size:1.25rem;color:var(--ink-soft);margin-bottom:1.6rem}
.np-cover{width:100%;max-width:340px;height:auto;border-radius:3px;box-shadow:0 24px 50px -28px rgba(20,32,58,.6)}
.awards{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.6rem 0}
.award{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.04em;border:1px solid var(--line);border-radius:2px;padding:.45rem .7rem;color:var(--ink-soft)}
.reviews{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.4rem;margin-top:1rem}
.review{border-top:2px solid var(--gold);padding-top:1rem}
.review p{font-style:italic;color:var(--ink);font-size:1.05rem}
.review cite{font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--muted);letter-spacing:.02em}
.back-link{display:inline-flex;gap:.5rem;font-family:"IBM Plex Mono",monospace;font-size:.78rem;letter-spacing:.04em;text-decoration:none;color:var(--ink);border-bottom:2px solid var(--gold);padding-bottom:3px}
@media (max-width:820px){.np-grid{grid-template-columns:1fr}.np-cover{order:-1}.reviews{grid-template-columns:1fr}}

/* ---------- reveal ---------- */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease, transform .7s ease}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}}

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