:root{
  --navy:#0E2A47; --navy-2:#16395E; --ink:#1C2836; --muted:#54677A;
  --paper:#FBF8F2; --cream:#F3ECDF; --card:#FFFFFF;
  --gold:#C19A3F; --gold-deep:#A88330; --line:rgba(14,42,71,.14);
  --serif:'Source Serif 4', Georgia, 'Times New Roman', serif;
  --sans:'Inter', -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
.wrap{max-width:1100px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:800px}
h1,h2,h3{font-family:var(--serif);color:var(--navy);line-height:1.15}
a{color:var(--navy)}
::selection{background:var(--gold);color:#fff}
p+p{margin-top:14px}
.fine{font-size:.84rem;color:var(--muted)}
.more{margin-top:28px;font-weight:600}
.more a{text-decoration:none;border-bottom:1.5px solid var(--gold);padding-bottom:2px}
.more a:hover{color:var(--gold-deep)}

/* ---------- Nav ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(251,248,242,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--serif);font-weight:700;font-size:1.05rem;color:var(--navy);letter-spacing:.01em}
.brand svg{flex:none}
.nav ul{display:flex;align-items:center;gap:26px;list-style:none}
.nav ul a{text-decoration:none;font-size:.92rem;font-weight:500;color:var(--ink)}
.nav ul a:hover{color:var(--gold-deep)}
.nav ul a.active{color:var(--navy);font-weight:600;border-bottom:2px solid var(--gold);padding-bottom:3px}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;white-space:nowrap;transition:transform .15s ease, box-shadow .15s ease;border:1.5px solid transparent;cursor:pointer;font-family:var(--sans)}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:#fff;box-shadow:0 6px 18px rgba(14,42,71,.25)}
.btn-primary:hover{background:var(--navy-2)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--gold-deep)}
.nav .btn{padding:9px 18px;font-size:.88rem}
.nav ul a.btn-primary{color:#fff;border-bottom:0;padding-bottom:9px}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 480px at 85% -10%, rgba(193,154,63,.14), transparent 60%),
  radial-gradient(700px 420px at -10% 110%, rgba(14,42,71,.08), transparent 60%),
  var(--paper)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:64px;padding-bottom:72px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.8rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:18px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(193,154,63,.18)}
.hero h1{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:700;margin-bottom:10px}
.subtitle{font-family:var(--serif);font-size:clamp(1.15rem,2.2vw,1.45rem);color:var(--navy-2);font-weight:400;font-style:italic;margin-bottom:20px}
p.lead{font-size:1.06rem;color:var(--muted);max-width:56ch;margin-bottom:30px}
.ctas{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.byline{font-size:.95rem;color:var(--ink)}
.byline strong{font-weight:600}
.book-stage{display:flex;justify-content:center;perspective:1400px}
.book-link{display:block}
.hero .cover-img{width:min(320px,72vw);border-radius:3px 8px 8px 3px;box-shadow:0 30px 50px rgba(14,42,71,.35), 0 0 0 1px rgba(14,42,71,.08);transform:rotateY(-14deg) rotateX(1deg);transition:transform .35s ease}
.hero .cover-img:hover{transform:rotateY(-6deg)}
@media (prefers-reduced-motion:no-preference){
  .hero .book-stage{animation:float 7s ease-in-out infinite}
  @keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
}

/* ---------- Page heroes ---------- */
.page-hero{background:
  radial-gradient(900px 480px at 85% -10%, rgba(193,154,63,.14), transparent 60%),
  var(--paper);border-bottom:1px solid var(--line)}
.page-hero .wrap{padding-top:64px;padding-bottom:56px}
.page-hero h1{font-size:clamp(2rem,4.2vw,3rem);margin-bottom:12px}
.page-hero.slim .wrap{padding-top:56px;padding-bottom:40px}
.book-hero .wrap{display:grid;grid-template-columns:300px 1fr;gap:52px;align-items:center}
.book-hero-cover .cover-img{width:100%;border-radius:3px 8px 8px 3px;box-shadow:0 24px 44px rgba(14,42,71,.3)}

/* ---------- Credibility strip ---------- */
.strip{background:var(--navy);color:#fff;padding:22px 0}
.strip .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 34px}
.strip .label{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);font-weight:600}
.strip span{font-family:var(--serif);font-size:1rem;color:#E8EDF2}
.strip .sep{color:rgba(255,255,255,.35)}

/* ---------- Sections ---------- */
section{padding:80px 0}
.kicker{font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:12px}
.section-title{font-size:clamp(1.7rem,3.4vw,2.3rem);margin-bottom:16px}
.section-lead{color:var(--muted);font-size:1.05rem;max-width:68ch}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px 26px;box-shadow:0 4px 16px rgba(14,42,71,.05)}
.card .num{font-family:var(--serif);font-size:1.9rem;font-weight:700;color:var(--gold);line-height:1;margin-bottom:12px}
.card h3{font-size:1.12rem;margin-bottom:8px}
.card p{font-size:.94rem;color:var(--muted)}
.card .btn{margin-top:18px}

/* parts grid */
.parts-section{background:var(--cream)}
.parts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.part{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 20px}
.part-num{font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-deep);margin-bottom:6px}
.part h3{font-size:1.05rem;margin-bottom:8px}
.part p{font-size:.88rem;color:var(--muted)}

/* audience */
.audience-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 40px;margin-top:34px}
.audience-grid h3{font-size:1.08rem;margin-bottom:6px}
.audience-grid p{color:var(--muted);font-size:.96rem}

/* ---------- Author ---------- */
.author{background:var(--cream)}
.author .wrap{display:grid;grid-template-columns:300px 1fr;gap:52px;align-items:start}
.headshot-img{width:100%;border-radius:14px;box-shadow:0 14px 34px rgba(14,42,71,.22);display:block}
.author p{margin-bottom:16px;font-size:1.02rem}
.creds{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cred{font-size:.8rem;font-weight:600;color:var(--navy);background:#fff;border:1px solid var(--line);padding:7px 14px;border-radius:999px}
.about-page{background:var(--paper)}
.about-page .section-title{font-size:clamp(2rem,4.2vw,3rem)}
.affil{background:var(--cream)}

/* ---------- Speaking ---------- */
.topics{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:38px}
.topic{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.topic .tick{flex:none;width:34px;height:34px;border-radius:9px;background:rgba(193,154,63,.14);color:var(--gold-deep);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700}
.topic h3{font-size:1.02rem;margin-bottom:3px}
.topic p{font-size:.88rem;color:var(--muted)}
.topics.compact .topic{padding:14px 18px;align-items:center}
.topics.compact .topic h3{margin:0}
.formats{background:var(--cream)}
.consulting{padding-top:60px}

/* ---------- TOC / editions ---------- */
.toc-section{background:var(--cream)}
.toc{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 40px;margin-top:36px}
.toc-part h3{font-size:1.08rem;margin-bottom:10px;padding-bottom:8px;border-bottom:2px solid var(--gold)}
.toc-part ul{list-style:none}
.toc-part li{display:grid;grid-template-columns:92px 1fr;gap:10px;padding:6px 0;border-bottom:1px solid var(--line);font-size:.95rem}
.toc-part li:last-child{border-bottom:0}
.toc-part .ln{font-size:.76rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-deep);padding-top:3px}
.edition-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
.edition-cards .card h3{font-size:1.25rem}
.updates-section{background:var(--cream)}

/* ---------- Signup ---------- */
.signup{padding:70px 0}
.signup-box{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:40px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;box-shadow:0 10px 30px rgba(14,42,71,.07)}
.signup-form .btn{width:100%;margin-top:4px}
.signup-form .fine{margin-top:12px}

/* ---------- Contact ---------- */
.contact{background:var(--navy);color:#fff}
.contact .kicker{color:var(--gold)}
.contact h2{color:#fff}
.contact .section-lead{color:#C6D2DE}
.contact .wrap{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;align-items:start}
.contact-side p{color:#C6D2DE;margin:18px 0;font-size:.98rem}
.contact-side .email{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:600;text-decoration:none;border-bottom:1px solid var(--gold);padding-bottom:2px}
.contact-side .email:hover{color:var(--gold)}
form.contact-form{background:#fff;border-radius:16px;padding:32px;color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.28)}
.field{margin-bottom:18px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{display:block;font-size:.82rem;font-weight:600;margin-bottom:6px;color:var(--navy)}
input,select,textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:9px;font-family:var(--sans);font-size:.95rem;background:#FCFBF8;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold)}
textarea{resize:vertical;min-height:120px}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:9px;font-size:.92rem}
.form-msg.ok{display:block;background:#EAF6EC;color:#1E6B34;border:1px solid #BFE3C8}
.form-msg.err{display:block;background:#FBEDEA;color:#93321F;border:1px solid #F0C7BD}
.hp{position:absolute;left:-9999px;opacity:0}

/* ---------- Footer ---------- */
footer{background:#0A2138;color:#9FB2C4;padding:34px 0;font-size:.88rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 30px;align-items:center;justify-content:space-between}
footer a{color:#D7E1EA;text-decoration:none}
footer a:hover{color:var(--gold)}
.footlinks{display:flex;flex-wrap:wrap;gap:8px 18px}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr;padding-top:44px;padding-bottom:56px;gap:36px}
  .book-stage{order:-1}
  .hero .cover-img{transform:none;width:min(240px,60vw)}
  .book-hero .wrap{grid-template-columns:1fr;gap:30px}
  .book-hero-cover{max-width:240px}
  .author .wrap{grid-template-columns:1fr;gap:34px}
  .headshot-img{max-width:280px}
  .cards,.edition-cards{grid-template-columns:1fr}
  .parts{grid-template-columns:1fr 1fr}
  .audience-grid,.topics,.toc{grid-template-columns:1fr}
  .contact .wrap{grid-template-columns:1fr;gap:38px}
  .signup-box{grid-template-columns:1fr;padding:28px}
  section{padding:60px 0}
  .brand span{font-size:.95rem}
  .nav-toggle{display:flex}
  .nav nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 14px 30px rgba(14,42,71,.12)}
  .nav nav.open{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 0}
  .nav ul li a{display:block;padding:14px 24px;font-size:1rem}
  .nav ul a.active{border-bottom:0;background:var(--cream)}
  .nav ul li .btn{margin:10px 24px 12px;text-align:center}
}
@media (max-width:520px){.row{grid-template-columns:1fr}.parts{grid-template-columns:1fr}}