:root{
  --bg: #07080c;
  --bg-soft: #0c0f16;
  --panel: #0f1320;
  --ink: #f6f7fb;
  --muted: #c3c6d4;
  --accent: #6ee7ff;
  --accent-2: #96f7a8;
  --border: #1d2333;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}

.container{max-width:1120px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,8,12,.6);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-weight:900;letter-spacing:.3px}
.nav a{margin-left:18px}
.menu{display:none;background:transparent;border:1px solid var(--border);color:var(--ink);padding:8px 12px;border-radius:10px}
.nav.open{display:flex;flex-direction:column;gap:10px;position:absolute;top:68px;right:20px;background:var(--panel);padding:12px 16px;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow)}

.btn{display:inline-block;padding:14px 20px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#041015;font-weight:800;border:0;box-shadow:var(--shadow);transition:transform .12s ease, filter .12s ease}
.btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn.ghost{background:transparent;border:1px solid var(--border);color:var(--ink);box-shadow:none}
.btn.small{padding:10px 14px;font-weight:700}
.btn.tiny{padding:8px 12px;font-size:.9rem}

.hero{position:relative;overflow:hidden}
.hero .container{padding:60px 20px 36px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:var(--muted);font-size:.82rem;margin:0 0 6px}
.headline{font-size: clamp(2.2rem, 4.5vw, 3.6rem);line-height:1.08;margin:0 0 10px}
.subhead{opacity:.95;margin:.2rem 0 1rem;font-size: clamp(1.05rem, 2.2vw, 1.3rem);}
.tagline{color:var(--muted);font-size: clamp(1rem, 2vw, 1.1rem)}
.cover-wrap{display:flex;justify-content:center}
.cover{width:min(420px, 90%);aspect-ratio: 2/3;object-fit:cover;border-radius:18px;border:1px solid var(--border);box-shadow:0 20px 60px rgba(0,0,0,.55)}

.hero-bg{position:absolute;inset:-20% -10% auto -10%;height:420px;background:radial-gradient(1200px 400px at 20% 0%, rgba(110,231,255,.25), transparent 60%), radial-gradient(900px 500px at 90% 10%, rgba(150,247,168,.25), transparent 65%) ;filter:blur(40px);pointer-events:none}

.highlights{padding:26px 0 6px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.card.glass{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));backdrop-filter: blur(6px)}
.card h3{margin:0 0 6px}
.card p{margin:0}

.book{padding:36px 0 10px}
.book-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:26px;align-items:start}
.bullets{margin-top:10px}
.bullets li{margin:6px 0}
.book-meta ul{list-style:none;padding:0;margin:0}
.book-meta li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--border)}
.book-meta li:last-child{border-bottom:0}
.book .cta-row{margin-top:10px}

.reviews{padding:34px 0 10px}
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{margin:0;padding:16px;border-left:4px solid var(--accent);background:var(--bg-soft);border-radius:12px;border:1px solid var(--border)}
.quote p{margin:0 0 6px}
.quote cite{color:var(--muted);font-style:normal}

.author{padding:34px 0 10px}
.author-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:center}
.headshot{width:min(320px, 60%);border-radius:50%;border:1px solid var(--border);box-shadow:var(--shadow)}
.socials a{margin-right:12px}

.extras{padding:34px 0 24px}
.newsletter{display:flex;gap:8px}
.newsletter input{flex:1;border-radius:12px;border:1px solid var(--border);padding:12px;background:#0c101a;color:var(--ink)}

.site-footer{padding:24px 0;border-top:1px solid var(--border);color:var(--muted)}
.foot{display:flex;align-items:center;justify-content:space-between}

.meta{display:flex;gap:16px;list-style:none;padding:0;margin:10px 0 0;color:var(--muted);font-size:.95rem}

@media (max-width: 980px){
  .hero-grid,.book-grid,.author-grid{grid-template-columns:1fr}
  .quotes{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .headshot{width:min(300px, 80%)}
  .nav{display:none}
  .menu{display:inline-block}
}