:root{
  --royal-blue:#0A4DA3;
  --gold:#F4B400;
  --white:#FFFFFF;
  --sky:#EAF6FF;
  --ink:#0A2C52;
  --blue-deep:#073a7d;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Open Sans',sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
}
h1,h2,h3,.logo{
  font-family:'Poppins',sans-serif;
  font-weight:800;
}
a{text-decoration:none;color:inherit;}
img,svg{display:block;max-width:100%;}

/* ---------- Header ---------- */
header{
  background:var(--white);
  border-bottom:4px solid var(--gold);
  position:sticky;
  top:0;
  z-index:100;
}
.header-inner{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 24px;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:46px;height:46px;flex-shrink:0;}
.brand-text .logo{color:var(--royal-blue);font-size:1.25rem;line-height:1.1;}
.brand-text .tagline{font-size:.78rem;color:var(--blue-deep);font-weight:600;letter-spacing:.02em;}
nav ul{display:flex;list-style:none;gap:24px;flex-wrap:wrap;}
nav a{
  font-weight:700;
  font-size:.92rem;
  color:var(--royal-blue);
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:border-color .15s ease, color .15s ease;
}
nav a:hover, nav a:focus-visible{border-bottom-color:var(--gold);}
nav a.active{border-bottom-color:var(--royal-blue);}

/* ---------- Generic page hero ---------- */
.page-hero{
  background:linear-gradient(180deg, var(--sky) 0%, var(--white) 100%);
  padding:64px 24px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:-120px;right:-120px;width:320px;height:320px;
  background:var(--gold);opacity:.15;border-radius:50%;
}
.page-hero::after{
  content:"";position:absolute;bottom:-140px;left:-100px;width:280px;height:280px;
  background:var(--royal-blue);opacity:.08;border-radius:50%;
}
.page-hero-inner{max-width:760px;margin:0 auto;position:relative;z-index:2;}
.page-hero h1{color:var(--royal-blue);font-size:clamp(1.8rem,4vw,2.6rem);line-height:1.2;margin-bottom:14px;}
.page-hero p{font-size:1.1rem;color:var(--blue-deep);max-width:560px;margin:0 auto;}

.hero{
  background:linear-gradient(180deg, var(--sky) 0%, var(--white) 100%);
  padding:72px 24px 64px;text-align:center;position:relative;overflow:hidden;
}
.hero::before{content:"";position:absolute;top:-120px;right:-120px;width:320px;height:320px;background:var(--gold);opacity:.15;border-radius:50%;}
.hero::after{content:"";position:absolute;bottom:-140px;left:-100px;width:280px;height:280px;background:var(--royal-blue);opacity:.08;border-radius:50%;}
.hero-inner{max-width:760px;margin:0 auto;position:relative;z-index:2;}
.hero h1{color:var(--royal-blue);font-size:clamp(2rem,4.5vw,3rem);line-height:1.15;margin-bottom:18px;}
.hero p{font-size:1.15rem;color:var(--blue-deep);max-width:560px;margin:0 auto 32px;}
.hero-ctas{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;}

.btn{
  display:inline-block;font-family:'Poppins',sans-serif;font-weight:700;font-size:1rem;
  padding:14px 30px;border-radius:999px;transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--gold);color:var(--royal-blue);box-shadow:0 6px 16px rgba(244,180,0,.4);}
.btn-secondary{background:transparent;color:var(--royal-blue);border:2px solid var(--royal-blue);}
.btn-secondary:hover{background:var(--royal-blue);color:var(--white);}
.btn-amazon{background:var(--royal-blue);color:var(--white);}
.btn-amazon:hover{background:var(--blue-deep);}

section{padding:80px 24px;}
.section-inner{max-width:1140px;margin:0 auto;}
.eyebrow{
  font-family:'Poppins',sans-serif;font-weight:700;color:var(--gold);background:var(--royal-blue);
  display:inline-block;padding:6px 16px;border-radius:999px;font-size:.75rem;
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:18px;
}

/* ---------- Featured Book / Book card ---------- */
.book-feature{display:grid;grid-template-columns:340px 1fr;gap:56px;align-items:center;}
.book-cover{background:var(--white);border-radius:18px;padding:18px;box-shadow:0 18px 40px rgba(10,77,163,.18);}
.book-cover img{border-radius:10px;width:100%;}
.book-info h2{color:var(--royal-blue);font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:14px;line-height:1.25;}
.book-info p{font-size:1.05rem;margin-bottom:20px;max-width:520px;}
.availability{font-weight:700;color:var(--blue-deep);margin-bottom:24px;display:flex;align-items:center;gap:8px;}
.availability::before{content:"\25CF";color:var(--gold);}
.buy-buttons{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- About ---------- */
.about-grid{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start;max-width:1140px;margin:0 auto;}
.author-photo{background:var(--royal-blue);border-radius:18px;aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;overflow:hidden;}
.about-grid h2{color:var(--royal-blue);font-size:1.9rem;margin-bottom:16px;}
.about-grid p{margin-bottom:18px;max-width:600px;}
.quote{border-left:4px solid var(--gold);padding-left:20px;font-style:italic;color:var(--blue-deep);font-weight:600;margin:24px 0;max-width:560px;}
.why-list{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:28px;max-width:600px;}
.why-list li{background:var(--sky);border-radius:10px;padding:12px 16px;font-weight:600;font-size:.95rem;}

/* ---------- Coming Soon / CTA band ---------- */
.cta-band{background:var(--royal-blue);color:var(--white);text-align:center;}
.cta-band h2{font-size:2rem;margin-bottom:14px;}
.cta-band p{max-width:520px;margin:0 auto 28px;color:var(--sky);}
.cta-band .btn-primary{box-shadow:0 6px 16px rgba(0,0,0,.25);}

/* ---------- Newsletter ---------- */
.newsletter-section{background:var(--sky);}
.newsletter-box{max-width:680px;margin:0 auto;text-align:center;}
.newsletter-box h2{color:var(--royal-blue);font-size:1.9rem;margin-bottom:10px;}
.newsletter-box p.sub{margin-bottom:24px;color:var(--blue-deep);}
.newsletter-perks{list-style:none;display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-bottom:28px;}
.newsletter-perks li{background:var(--white);border:1px solid #d3e7f7;padding:8px 16px;border-radius:999px;font-size:.88rem;font-weight:600;color:var(--royal-blue);}
form.signup{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
form.signup input[type="email"]{
  font-family:'Open Sans',sans-serif;padding:14px 18px;border-radius:999px;border:2px solid var(--royal-blue);
  min-width:280px;font-size:1rem;
}
form.signup input[type="email"]:focus-visible{outline:3px solid var(--gold);outline-offset:2px;}
form.signup button{
  font-family:'Poppins',sans-serif;font-weight:700;background:var(--royal-blue);color:var(--white);
  border:none;padding:14px 30px;border-radius:999px;cursor:pointer;transition:background .15s ease;
}
form.signup button:hover{background:var(--blue-deep);}
.form-note{margin-top:14px;font-size:.85rem;color:var(--blue-deep);}

/* ---------- Generic content blocks (Events / Blog / Contact / Shop) ---------- */
.empty-state{
  max-width:640px;margin:0 auto;text-align:center;background:var(--sky);
  border-radius:18px;padding:48px 32px;
}
.empty-state h2{color:var(--royal-blue);font-size:1.6rem;margin-bottom:12px;}
.empty-state p{color:var(--blue-deep);max-width:480px;margin:0 auto;}

.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;max-width:1140px;margin:0 auto;}
.card{background:var(--sky);border-radius:16px;padding:28px;}
.card h3{color:var(--royal-blue);font-size:1.15rem;margin-bottom:8px;}
.card p{font-size:.95rem;color:var(--blue-deep);}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;max-width:1000px;margin:0 auto;align-items:start;}
.contact-card{background:var(--sky);border-radius:16px;padding:32px;}
.contact-card h3{color:var(--royal-blue);margin-bottom:16px;font-size:1.2rem;}
.contact-card a{color:var(--royal-blue);font-weight:700;}
.contact-form{display:flex;flex-direction:column;gap:14px;}
.contact-form input, .contact-form textarea{
  font-family:'Open Sans',sans-serif;padding:14px 16px;border-radius:10px;border:2px solid var(--royal-blue);
  font-size:1rem;width:100%;
}
.contact-form input:focus-visible, .contact-form textarea:focus-visible{outline:3px solid var(--gold);outline-offset:1px;}
.contact-form button{
  font-family:'Poppins',sans-serif;font-weight:700;background:var(--royal-blue);color:var(--white);
  border:none;padding:14px 30px;border-radius:999px;cursor:pointer;transition:background .15s ease;align-self:flex-start;
}
.contact-form button:hover{background:var(--blue-deep);}

/* ---------- Footer ---------- */
footer{background:var(--ink);color:var(--sky);padding:48px 24px 28px;text-align:center;}
footer .logo{color:var(--white);font-size:1.2rem;margin-bottom:18px;}
.social{display:flex;justify-content:center;gap:18px;margin-bottom:18px;list-style:none;flex-wrap:wrap;}
.social a{font-weight:700;color:var(--sky);border-bottom:2px solid transparent;}
.social a:hover{border-bottom-color:var(--gold);}
footer .contact-line{margin-bottom:18px;font-size:.92rem;}
footer .contact-line a{color:var(--gold);font-weight:600;}
footer .copyright{font-size:.8rem;color:#9fb9d8;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;}

@media (max-width:860px){
  .book-feature, .about-grid, .contact-grid{grid-template-columns:1fr;}
  .book-cover{max-width:280px;margin:0 auto;}
  .author-photo{max-width:220px;margin:0 auto;}
}
@media (max-width:620px){
  nav ul{display:none;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .btn{transition:none;}
}