:root{
  --ink:#102f54;
  --blue:#0868c7;
  --deep:#0a3d75;
  --teal:#11a9bf;
  --sky:#dff8ff;
  --sand:#fff0c8;
  --paper:#fffdf7;
  --sun:#ffd45f;
  --coral:#ff7b54;
  --line:rgba(8,104,199,.16);
  --shadow:0 22px 55px rgba(16,47,84,.17);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--paper)}
img{max-width:100%;height:auto}
a{color:inherit}
.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px clamp(18px,5vw,64px);background:rgba(255,255,255,.92);box-shadow:0 8px 28px rgba(16,47,84,.08);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:10px;color:var(--blue);font-weight:950;text-decoration:none}
.brand-mark{display:grid;width:38px;height:38px;place-items:center;border-radius:50%;color:white;background:linear-gradient(135deg,var(--blue),var(--teal))}
nav{display:flex;align-items:center;gap:20px;font-size:.94rem;font-weight:850}
nav a{text-decoration:none}
.nav-cta{min-height:42px;padding:0 16px;border-radius:8px;color:white;background:var(--blue);display:inline-flex;align-items:center}
.hero{position:relative;overflow:hidden;min-height:calc(100vh - 70px);padding:clamp(54px,7vw,90px) clamp(20px,5vw,72px) clamp(36px,5vw,64px);background:linear-gradient(90deg,rgba(255,253,247,.96) 0%,rgba(255,253,247,.88) 42%,rgba(223,248,255,.66) 100%),url("assets/footer-background.jpg") center/cover no-repeat;animation:bgDrift 28s ease-in-out infinite alternate}
.hero:after{content:"";position:absolute;inset:auto 0 0;height:92px;background:repeating-linear-gradient(0deg,rgba(17,169,191,.22) 0 10px,rgba(255,255,255,.28) 10px 22px);opacity:.8;animation:waveSlide 8s linear infinite}
.hero-inner{position:relative;z-index:1;display:grid;width:min(1180px,100%);margin:auto;grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:clamp(34px,6vw,76px);align-items:center}
.eyebrow{margin:0 0 14px;color:var(--blue);font-size:.78rem;font-weight:950;letter-spacing:.12em;text-transform:uppercase}
h1,h2,h3,p{margin-top:0}
h1{max-width:780px;margin-bottom:20px;color:var(--deep);font-size:clamp(3.35rem,8vw,7.35rem);line-height:.9}
h2{margin-bottom:18px;font-size:clamp(2.1rem,4.2vw,4.25rem);line-height:1}
h3{font-size:1.28rem;line-height:1.2}
p{line-height:1.72}
.lead{max-width:660px;color:#0b5193;font-size:clamp(1.2rem,2vw,1.55rem);font-weight:850}
.parent-line{max-width:640px;font-size:1.05rem}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.button{display:inline-flex;min-height:52px;align-items:center;justify-content:center;border:2px solid transparent;border-radius:8px;padding:0 22px;font-weight:950;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease}
.button:hover{transform:translateY(-2px)}
.primary{color:white;background:linear-gradient(135deg,var(--blue),var(--teal));box-shadow:0 14px 28px rgba(8,104,199,.25)}
.secondary{color:var(--ink);background:var(--sun)}
.ghost{color:var(--blue);border-color:rgba(8,104,199,.28);background:rgba(255,255,255,.78)}
.hero-books{position:relative;min-height:520px}
.hero-book{position:absolute;filter:drop-shadow(0 24px 34px rgba(16,47,84,.2));animation:float 5.4s ease-in-out infinite;transition:transform .32s ease,filter .32s ease}
.hero-book:hover{animation-play-state:paused;filter:drop-shadow(0 30px 40px rgba(16,47,84,.26))}
.hero-book.one:hover{transform:translateY(-18px) rotate(1.5deg) scale(1.04)}
.hero-book.two:hover{transform:translateY(-16px) rotate(-3deg) scale(1.07)}
.hero-book.one{right:10%;top:0;width:min(430px,80vw)}
.hero-book.two{right:0;bottom:4px;width:min(260px,52vw);animation-delay:-1.5s}
.availability{display:inline-flex;gap:10px;align-items:center;margin-top:22px;padding:10px 14px;border:1px solid rgba(8,104,199,.18);border-radius:8px;background:white;font-weight:900}
.dot{width:10px;height:10px;border-radius:50%;background:#3cbf62;box-shadow:0 0 0 5px rgba(60,191,98,.16)}
.section{padding:clamp(62px,8vw,104px) clamp(20px,5vw,72px)}
.inner{width:min(1160px,100%);margin:auto}
.intro-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:-28px;position:relative;z-index:3}
.trust-card,.book-card,.author-card{border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.92);box-shadow:var(--shadow)}
.trust-card{padding:18px 20px}
.trust-card strong{display:block;color:var(--deep);font-size:1.06rem}
.split{display:grid;grid-template-columns:minmax(310px,.85fr) minmax(0,1fr);gap:clamp(30px,6vw,74px);align-items:center}
.section-head{max-width:760px;margin-bottom:34px}
.book-card{display:grid;grid-template-columns:minmax(250px,.72fr) minmax(0,1fr);gap:28px;align-items:center;padding:clamp(22px,4vw,42px)}
.book-card img{filter:drop-shadow(0 18px 26px rgba(16,47,84,.16));transition:transform .32s ease,filter .32s ease}
.book-card img:hover,.mini-book img:hover{transform:translateY(-10px) rotate(-1.5deg) scale(1.035);filter:drop-shadow(0 26px 34px rgba(16,47,84,.22))}
.book-points{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none}
.book-points li{padding-left:30px;position:relative;font-weight:760}
.book-points li:before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:50%;background:var(--teal)}
.mini-series{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:24px}
.mini-book{padding:22px;text-align:center}
.mini-book img{max-height:290px;object-fit:contain;transition:transform .32s ease,filter .32s ease;filter:drop-shadow(0 14px 22px rgba(16,47,84,.14))}
.mini-book .button{margin-top:12px}
.author{background:linear-gradient(180deg,#f6fcff,#fffdf7)}
.author-card{overflow:hidden}
.author-card img{display:block;width:100%}
.author-copy{max-width:690px}
.quote-line{margin-top:18px;padding:18px 20px;border-left:5px solid var(--sun);background:white;border-radius:8px;font-weight:850}
.final{position:relative;color:white;background:linear-gradient(rgba(10,61,117,.86),rgba(8,104,199,.78)),url("assets/footer-background.jpg") center/cover no-repeat;animation:bgDrift 30s ease-in-out infinite alternate}
.final h2{color:white}
.final p{max-width:760px;margin-inline:auto;font-size:1.14rem}
.center{text-align:center}
footer{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding:34px clamp(20px,5vw,72px);color:white;background:linear-gradient(rgba(15,39,68,.9),rgba(15,39,68,.9)),url("assets/footer-background.jpg") center bottom/cover no-repeat;animation:bgDrift 34s ease-in-out infinite alternate}
footer p{margin:0}
footer a{font-weight:850}
.fade-up{animation:fadeUp .75s ease both}
.delay-1{animation-delay:.12s}
.delay-2{animation-delay:.24s}
.cursor-orb,.cursor-ring,.cursor-spark{position:fixed;left:0;top:0;z-index:9999;pointer-events:none;opacity:0;transform:translate(-50%,-50%)}
.cursor-orb{width:10px;height:10px;border-radius:50%;background:var(--sun);box-shadow:0 0 16px rgba(255,212,95,.8)}
.cursor-ring{width:34px;height:34px;border:2px solid rgba(8,104,199,.34);border-radius:50%;transition:width .2s ease,height .2s ease,border-color .2s ease,opacity .2s ease}
.cursor-ring.is-active{width:48px;height:48px;border-color:rgba(17,169,191,.55)}
.cursor-spark{width:7px;height:7px;border-radius:50%;background:rgba(17,169,191,.7);animation:sparkFade .62s ease forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-12px) rotate(1deg)}}
@keyframes bgDrift{from{background-position:center center}to{background-position:58% center}}
@keyframes waveSlide{from{background-position:0 0}to{background-position:0 44px}}
@keyframes sparkFade{from{opacity:.72;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-50%) scale(.25)}}
@media(max-width:960px){
  .site-header{position:relative;align-items:flex-start}
  nav{flex-wrap:wrap;justify-content:flex-end}
  .hero-inner,.split,.book-card{grid-template-columns:1fr}
  .hero-books{order:-1;min-height:400px}
  .hero-book{animation:none}
  .hero-book:hover{animation:none}
  .hero-book.one{left:50%;right:auto;transform:translateX(-50%);width:min(340px,78vw)}
  .hero-book.one:hover{transform:translateX(-50%) translateY(-10px) scale(1.03)}
  .hero-book.two{right:4%;width:min(200px,44vw)}
  .intro-row,.mini-series{grid-template-columns:1fr}
}
@media(max-width:620px){
  .site-header{display:block}
  nav{margin-top:12px;justify-content:flex-start;font-size:.86rem}
  .hero{min-height:auto}
  .hero-books{min-height:340px}
  .actions{display:grid}
  .button{width:100%}
  footer{display:grid}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .cursor-orb,.cursor-ring,.cursor-spark{display:none!important}
}
@media(pointer:coarse){
  .cursor-orb,.cursor-ring,.cursor-spark{display:none!important}
}