:root{
  --bg:#0b0f14;
  --bg-2:#111821;
  --card:#141c26;
  --line:#223040;
  --text:#e7edf3;
  --muted:#93a3b5;
  --accent:#d4a24c;      /* gold */
  --accent-2:#3fb68b;    /* market green */
  --accent-3:#5b8def;    /* data blue */
  --shadow:0 20px 50px -20px rgba(0,0,0,.6);
  --radius:16px;
  --max:1080px;
  --fancy:"Newsreader",Georgia,"Times New Roman",serif;
}
:root[data-theme="light"]{
  --bg:#f7f4ee;
  --bg-2:#efe9df;
  --card:#ffffff;
  --line:#e0d8ca;
  --text:#1a1d22;
  --muted:#5e6670;
  --accent:#a8761f;
  --accent-2:#1f8a62;
  --accent-3:#2f62c9;
  --shadow:0 20px 50px -25px rgba(60,40,10,.25);
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#f7f4ee;
    --bg-2:#efe9df;
    --card:#ffffff;
    --line:#e0d8ca;
    --text:#1a1d22;
    --muted:#5e6670;
    --accent:#a8761f;
    --accent-2:#1f8a62;
    --accent-3:#2f62c9;
    --shadow:0 20px 50px -25px rgba(60,40,10,.25);
  }
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
@media (min-width:720px){.wrap{padding:0 32px}}

.mono{font-family:"JetBrains Mono",ui-monospace,monospace}
.serif{font-family:Fraunces,Georgia,serif}

/* ---------- Ticker ---------- */
.ticker{
  border-bottom:1px solid var(--line);
  background:var(--bg-2);
  overflow:hidden;
  white-space:nowrap;
  font-size:12px;
  color:var(--muted);
}
.ticker-track{
  display:inline-flex;
  gap:40px;
  padding:8px 0;
  animation:scroll 40s linear infinite;
}
.ticker span b{color:var(--accent);font-weight:500}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion: reduce){.ticker-track{animation:none}}

/* ---------- Nav ---------- */
header.nav{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(12px);
  background:color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;letter-spacing:.2px}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#8a5f1a);
  color:#0b0f14;font-family:Fraunces,serif;font-weight:700;font-size:13.5px;
}
.nav-links{display:none;gap:26px;font-size:11.5px;color:var(--muted)}
.nav-links a:hover{color:var(--text)}
@media (min-width:820px){.nav-links{display:flex}}
.nav-actions{display:flex;gap:8px;align-items:center}
.icon-btn{
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);color:var(--text);
  display:grid;place-items:center;cursor:pointer;font-size:14.5px;
}
.icon-btn:hover{border-color:var(--accent)}
.menu-btn{display:grid}
@media (min-width:820px){.menu-btn{display:none}}
.mobile-menu{
  display:none;flex-direction:column;
  border-top:1px solid var(--line);
  padding:12px 16px 18px;gap:4px;
}
.mobile-menu a{padding:10px 4px;color:var(--muted);border-bottom:1px dashed var(--line)}
.mobile-menu.open{display:flex}
@media (min-width:820px){.mobile-menu{display:none!important}}

/* ---------- Hero ---------- */
.hero{position:relative;padding:56px 0 52px;overflow:hidden}
.hero-grid{display:grid;gap:40px;align-items:center}
@media (min-width:900px){.hero-grid{grid-template-columns:1.25fr .75fr;padding-top:24px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--accent);
  border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);
  padding:6px 12px;border-radius:999px;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent-2) 25%,transparent)}
h1{
  font-family:Fraunces,serif;font-weight:600;
  font-size:clamp(26px,4.2vw,44px);
  line-height:1.06;letter-spacing:-1px;
  margin:22px 0 18px;
}
h1 em{font-style:italic;color:var(--accent)}
.lead{font-family:var(--fancy);font-style:italic;font-size:clamp(14.5px,1.8vw,16.5px);line-height:1.55;color:var(--muted);max-width:600px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 17px;border-radius:11px;font-weight:500;font-size:12px;
  border:1px solid var(--line);transition:.2s;
}
.btn-primary{background:var(--accent);color:#0b0f14;border-color:var(--accent)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{background:var(--card)}
.btn-ghost:hover{border-color:var(--accent)}

.id-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
  position:relative;
}
.id-card::before{
  content:"";position:absolute;inset:-1px;border-radius:var(--radius);
  padding:1px;
  background:linear-gradient(135deg,var(--accent),transparent 40%,transparent 60%,var(--accent-3));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  pointer-events:none;opacity:.7;
}
.id-row{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:11.5px}
.id-row:last-child{border-bottom:0}
.id-row .k{color:var(--muted)}
.id-row .v{text-align:right;font-weight:500}
.id-head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.avatar{
  width:56px;height:56px;border-radius:14px;
  background:radial-gradient(circle at 30% 30%,var(--accent),#5a3d0e);
  display:grid;place-items:center;
  font-family:Fraunces,serif;font-size:20px;font-weight:700;color:#0b0f14;
}
.id-head small{display:block;color:var(--muted);font-size:12px}

.glow{
  position:absolute;width:560px;height:560px;border-radius:50%;
  filter:blur(90px);opacity:.18;pointer-events:none;z-index:-1;
}
.glow.g1{background:var(--accent);top:-180px;right:-160px}
.glow.g2{background:var(--accent-3);bottom:-260px;left:-200px;opacity:.12}

/* ---------- Sections ---------- */
section{padding:68px 0;border-top:1px solid var(--line)}
.sec-head{margin-bottom:32px;max-width:720px}
.sec-label{font-size:12px;color:var(--accent);letter-spacing:2px;text-transform:uppercase}
h2{
  font-family:Fraunces,serif;font-weight:600;
  font-size:clamp(20px,2.6vw,27px);line-height:1.18;letter-spacing:-.3px;
  margin-top:10px;
}
.sec-head p{font-family:var(--fancy);font-style:italic;color:var(--muted);margin-top:10px;font-size:14.5px}

/* About */
.about-grid{display:grid;gap:28px}
@media (min-width:900px){.about-grid{grid-template-columns:1.1fr .9fr}}
.prose p{font-family:var(--fancy);margin-bottom:14px;font-size:14.5px;line-height:1.65}
.prose p:first-child::first-letter{
  font-family:Fraunces,serif;float:left;font-size:39.5px;line-height:.9;
  padding:6px 10px 0 0;color:var(--accent);
}
.skills{display:grid;gap:14px}
.skill{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;display:flex;gap:16px;align-items:flex-start;
  transition:.25s;
}
.skill:hover{border-color:var(--accent);transform:translateX(4px)}
.skill .ic{
  flex:0 0 40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--accent) 15%,transparent);color:var(--accent);font-size:16px;
}
.skill h3{font-size:12.5px;font-weight:600}
.skill p{font-family:var(--fancy);font-size:13px;color:var(--muted);margin-top:2px;line-height:1.5}

.langs{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.lang{
  font-size:12px;padding:7px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);
}
.lang b{color:var(--accent);margin-right:6px;font-family:"JetBrains Mono",monospace;font-weight:500}

/* Ecosystem */
.eco-grid{display:grid;gap:18px}
@media (min-width:720px){.eco-grid{grid-template-columns:repeat(2,1fr)}}
.eco{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;overflow:hidden;
  transition:transform .25s,border-color .25s;
  display:flex;flex-direction:column;gap:12px;min-height:230px;
}
.eco:hover{transform:translateY(-4px);border-color:var(--c,var(--accent))}
.eco::after{
  content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
  background:var(--c,var(--accent));opacity:.08;transition:.3s;
}
.eco:hover::after{opacity:.16;transform:scale(1.2)}
.eco .tag{font-size:11px;color:var(--c,var(--accent));letter-spacing:1.5px;text-transform:uppercase}
.eco h3{font-family:Fraunces,serif;font-size:17px;font-weight:600}
.eco p{font-family:var(--fancy);color:var(--muted);font-size:13.5px;line-height:1.55;flex:1}
.eco .go{font-size:11.5px;color:var(--c,var(--accent));font-weight:500}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:11px;padding:4px 9px;border-radius:6px;background:var(--bg-2);color:var(--muted);border:1px solid var(--line)}

.principle{
  margin-top:28px;padding:20px 24px;border-radius:14px;
  border:1px dashed color-mix(in srgb,var(--accent) 50%,transparent);
  background:color-mix(in srgb,var(--accent) 6%,transparent);
  font-family:var(--fancy);font-size:13.5px;color:var(--muted);
}
.principle b{color:var(--text)}

/* Books */
.books{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media (min-width:720px){.books{gap:22px;grid-template-columns:repeat(3,minmax(0,230px))}}
@media (min-width:1050px){.books{grid-template-columns:repeat(3,minmax(0,240px));gap:28px}}
.book{perspective:900px}
.cover{
  aspect-ratio:2/3;border-radius:6px 14px 14px 6px;
  padding:clamp(12px,3vw,22px) clamp(10px,2.6vw,18px);display:flex;flex-direction:column;justify-content:space-between;
  position:relative;color:#f5efe2;box-shadow:var(--shadow);
  transition:transform .45s;transform-style:preserve-3d;
  overflow:hidden;
}
.cover::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:10px;
  background:linear-gradient(90deg,rgba(0,0,0,.35),transparent);
}
.book:hover .cover{transform:rotateY(-12deg) translateX(4px)}
.cover .lang-tag{font-family:"JetBrains Mono",monospace;font-size:10px;letter-spacing:2px;opacity:.75}
.cover h3{font-family:Fraunces,serif;font-size:clamp(12.5px,3.6vw,17px);line-height:1.12;font-weight:600}
.cover .sub{font-family:var(--fancy);font-style:italic;font-size:11px;opacity:.9;margin-top:6px}
.cover .auth{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;opacity:.8}
.c1{background:linear-gradient(160deg,#1f3a5a,#0d1b2a)}
.c2{background:linear-gradient(160deg,#7a2e1d,#2a0f0a)}
.c3{background:linear-gradient(160deg,#2d4a3a,#0f1d16)}
.c4{background:linear-gradient(160deg,#3d2a5a,#140d22)}
.book-meta{margin-top:14px}
.status{
  display:inline-block;font-size:11px;font-family:"JetBrains Mono",monospace;
  padding:3px 8px;border-radius:6px;border:1px solid var(--line);color:var(--accent-2);
}
.book-meta p{font-family:var(--fancy);color:var(--muted);font-size:13px;line-height:1.55;margin-top:8px}

/* Published on Amazon */
.pub-head{display:flex;align-items:center;gap:12px;margin:0 0 20px;flex-wrap:wrap}
.pub-head h3{font-family:Fraunces,serif;font-size:17px;font-weight:600}
.pub-badge{font-size:11px;font-family:"JetBrains Mono",monospace;padding:4px 10px;border-radius:999px;background:color-mix(in srgb,var(--accent-2) 15%,transparent);color:var(--accent-2);border:1px solid color-mix(in srgb,var(--accent-2) 40%,transparent)}
.pub-grid{display:grid;gap:18px;margin-bottom:28px}
@media (min-width:720px){.pub-grid{grid-template-columns:repeat(2,1fr)}}
.pub{
  display:flex;gap:18px;align-items:stretch;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;transition:transform .25s,border-color .25s;
}
.pub:hover{transform:translateY(-4px);border-color:var(--accent)}
.pub .mini-cover{
  flex:0 0 96px;aspect-ratio:2/3;border-radius:4px 10px 10px 4px;
  display:flex;align-items:flex-end;padding:10px;color:#f5efe2;
  font-family:Fraunces,serif;font-size:11.5px;line-height:1.15;font-weight:600;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.pub .mini-cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:7px;background:linear-gradient(90deg,rgba(0,0,0,.35),transparent)}
.pub-body{display:flex;flex-direction:column;justify-content:center;gap:8px}
.pub-body h4{font-family:Fraunces,serif;font-size:16px;font-weight:600;line-height:1.15}
.pub-body .by{font-size:11.5px;color:var(--muted)}
.amz{font-size:11.5px;color:var(--accent);font-weight:500}
.c5{background:linear-gradient(160deg,#5a4520,#1c1408)}
.c6{background:linear-gradient(160deg,#20404f,#0a1519)}

.senses{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;margin-bottom:56px;
}
.senses-top{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.senses-top h4{font-family:Fraunces,serif;font-size:20px;font-weight:600}
.senses-top span{font-size:11.5px;color:var(--muted)}
.sense-row{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}
@media (min-width:600px){.sense-row{grid-template-columns:repeat(3,1fr)}}
@media (min-width:900px){.sense-row{grid-template-columns:repeat(5,1fr)}}
.sense{
  display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;
  padding:16px 10px;border-radius:12px;border:1px solid var(--line);background:var(--bg-2);
  transition:.25s;
}
.sense:hover{border-color:var(--accent);transform:translateY(-3px)}
.sense .s-ic{font-size:12px;color:var(--muted);letter-spacing:1px}
.sense b{font-family:Fraunces,serif;font-size:13.5px;font-weight:600;text-transform:capitalize}
.sense small{font-size:12px;color:var(--accent)}
.sub-title{font-family:Fraunces,serif;font-size:17px;font-weight:600;margin:0 0 20px}

.series-intro{font-family:var(--fancy);font-style:italic;color:var(--muted);max-width:720px;margin:-6px 0 22px;font-size:14px;line-height:1.6}
.pub{flex-direction:column}
@media (min-width:520px){.pub{flex-direction:row}}
.real-cover{
  flex:0 0 auto;width:150px;height:auto;align-self:flex-start;
  border-radius:3px 8px 8px 3px;box-shadow:var(--shadow);
  transition:transform .45s;
}
.pub:hover .real-cover{transform:rotate(-2deg) translateY(-3px)}
.pub-body{justify-content:flex-start}
.pub-body .vol{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent)}
.pub-body .subt{font-family:var(--fancy);font-size:13px;font-style:italic;color:var(--text);opacity:.9;line-height:1.4}
.pub-body p{font-family:var(--fancy);font-size:13px;color:var(--muted);line-height:1.55}
.pub-body .meta{font-size:11px;color:var(--muted)}
.install-btn{display:none;width:auto;padding:0 12px;font-size:11.5px;font-weight:500;gap:6px;color:var(--accent);border-color:color-mix(in srgb,var(--accent) 50%,transparent)}
.install-btn.show{display:inline-flex}
@supports (padding:max(0px)){
  .nav-inner{padding-left:max(16px,env(safe-area-inset-left));padding-right:max(16px,env(safe-area-inset-right))}
  footer{padding-bottom:max(48px,env(safe-area-inset-bottom))}
}
.robi{display:flex;flex-direction:column;gap:20px;margin-bottom:20px}
@media (min-width:600px){.robi{flex-direction:row;align-items:flex-start}}
.robi-cover{width:140px;height:auto;flex:0 0 auto;border-radius:6px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.robi-body{display:flex;flex-direction:column;gap:8px}
.robi-body .vol{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--accent)}
.robi-body h4{font-family:Fraunces,serif;font-size:17px;font-weight:600}
.robi-body p{font-family:var(--fancy);font-size:13.5px;color:var(--muted);max-width:640px;line-height:1.55}
.sense em{font-family:var(--fancy);font-style:italic;font-size:11.5px;color:var(--muted)}
.lead strong{font-style:normal;font-family:Fraunces,serif;color:var(--accent);font-weight:600}
.lead .lead-hi{color:var(--text);font-size:1.08em}
.lead .lead-rule{
  display:inline;color:var(--text);font-style:normal;font-family:Fraunces,serif;font-weight:600;
  background:linear-gradient(transparent 62%,color-mix(in srgb,var(--accent) 32%,transparent) 62%);
  padding:0 2px;
}
/* Contact */
.contact-box{
  background:var(--card);border:1px solid var(--line);border-radius:22px;
  padding:clamp(28px,5vw,56px);text-align:center;position:relative;overflow:hidden;
}
.contact-box h2{max-width:640px;margin:10px auto 14px}
.contact-box p{font-family:var(--fancy);font-style:italic;font-size:14.5px;color:var(--muted);max-width:560px;margin:0 auto}
.contact-links{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:28px}

footer{padding:32px 0 48px;color:var(--muted);font-size:12px;border-top:1px solid var(--line)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}

/* Reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none}}