:root{
  --navy:#0b2f59;
  --navy2:#164d84;
  --blue:#2877b8;
  --cyan:#58c5e8;
  --ink:#17243a;
  --muted:#59687a;
  --line:#dce4ed;
  --soft:#f3f7fb;
  --paper:#ffffff;
  --warm:#f6f2ea;
  --orange:#ef7d35;
  --green:#21734e;
  --shadow:0 18px 50px rgba(20,44,76,.14);
  --radius:22px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:#fff;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  line-height:1.62;
}
img{max-width:100%;height:auto}
a{color:var(--blue)}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:12px;top:-60px;z-index:9999;padding:10px 14px;color:#fff;background:#000;border-radius:8px}
.skip-link:focus{top:12px}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.nav-wrap{width:min(1240px,calc(100% - 32px));min-height:74px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:22px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy);font-weight:850;text-decoration:none}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:linear-gradient(145deg,var(--navy),var(--blue));color:#fff;font-size:14px;letter-spacing:.03em}
.primary-nav{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.primary-nav a{color:var(--ink);font-weight:700;text-decoration:none}
.primary-nav a:hover,.primary-nav a[aria-current="page"]{color:var(--blue)}
.hero{background:linear-gradient(135deg,#f4f8fc 0%,#fff 52%,#eef7fb 100%);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:58px;align-items:center;padding:74px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:15px;color:var(--blue);font-size:.82rem;font-weight:850;letter-spacing:.09em;text-transform:uppercase}
.eyebrow::before{content:"";width:28px;height:3px;border-radius:2px;background:var(--orange)}
h1,h2,h3{margin:0 0 14px;line-height:1.14;color:var(--navy)}
h1{font-size:clamp(2.55rem,5.8vw,5.2rem);letter-spacing:-.045em}
h2{font-size:clamp(1.9rem,3.5vw,3rem);letter-spacing:-.025em}
h3{font-size:1.22rem}
.lead{max-width:760px;font-size:clamp(1.08rem,1.8vw,1.28rem);color:#43556b}
.sublead{font-size:1.02rem;color:var(--muted)}
.badge-row{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}
.badge{display:inline-flex;padding:7px 11px;border-radius:999px;background:#e9f2fb;color:var(--navy2);font-size:.84rem;font-weight:800}
.badge.coming{background:#fff0e6;color:#a64f17}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 18px;border-radius:12px;background:var(--navy);color:#fff;text-decoration:none;font-weight:850;box-shadow:0 8px 18px rgba(11,47,89,.17)}
.button:hover{background:var(--navy2)}
.button.secondary{background:#fff;color:var(--navy);border:1px solid #bfcddd;box-shadow:none}
.button.disabled{background:#e9edf2;color:#697789;box-shadow:none;cursor:not-allowed}
.cover-frame{
  position:relative;display:grid;place-items:center;
  min-height:430px;padding:28px;border-radius:28px;
  background:radial-gradient(circle at 30% 15%,#a6e5f8 0%,#64c7e5 34%,#2678bc 68%,#153c6c 100%);
  box-shadow:var(--shadow);overflow:hidden;
}
.cover-frame img{display:block;max-height:560px;width:auto;border-radius:3px;box-shadow:0 22px 52px rgba(5,28,57,.35)}
.cover-fallback{width:min(330px,86%);aspect-ratio:2/3;padding:28px;border:1px solid rgba(255,255,255,.6);background:linear-gradient(150deg,#83dbf4 0%,#3e9fd2 47%,#15385d 100%);color:#fff;box-shadow:0 20px 42px rgba(0,0,0,.25)}
.cover-fallback small{display:block;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.cover-fallback strong{display:block;margin:48px 0 18px;font-size:2rem;line-height:1.05}
.cover-fallback span{display:block;margin-top:40px;font-weight:750}
.section{padding:70px 0}
.section.alt{background:var(--soft)}
.section.warm{background:var(--warm)}
.section.dark{background:var(--navy);color:#eaf2fa}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark p{color:#d4e1ee}
.intro{max-width:820px;margin:0 0 30px;color:var(--muted);font-size:1.06rem}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 10px 30px rgba(20,44,76,.07)}
.card p{color:var(--muted)}
.card .number{display:grid;place-items:center;width:40px;height:40px;margin-bottom:17px;border-radius:50%;background:#eaf3fb;color:var(--navy);font-weight:900}
.book-card{display:grid;grid-template-columns:210px minmax(0,1fr);gap:28px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:26px;padding:28px;box-shadow:var(--shadow)}
.book-cover{width:100%;max-height:330px;object-fit:contain;filter:drop-shadow(0 14px 22px rgba(0,0,0,.2))}
.book-role{display:inline-block;margin-bottom:10px;color:var(--orange);font-weight:850;text-transform:uppercase;letter-spacing:.07em;font-size:.78rem}
.compare{overflow-x:auto}
.compare table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.compare th,.compare td{padding:17px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.compare th{background:#edf4fa;color:var(--navy)}
.journey{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;counter-reset:journey}
.journey div{position:relative;min-height:120px;padding:20px 18px 18px 58px;border-radius:16px;background:#fff;border:1px solid var(--line)}
.journey div::before{counter-increment:journey;content:counter(journey);position:absolute;left:17px;top:18px;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;font-weight:900}
.journey strong{display:block;color:var(--navy);margin-bottom:5px}
.quote{margin:0;padding:28px;border-left:5px solid var(--orange);background:#fff;border-radius:0 18px 18px 0;font-size:1.12rem;color:var(--ink)}
.cta{padding:58px 0;background:linear-gradient(135deg,var(--navy),#0f5793);color:#fff;text-align:center}
.cta h2{color:#fff}
.cta p{max-width:760px;margin:0 auto 22px;color:#d9e8f5}
.site-footer{padding:42px 0;background:#071f3b;color:#cbd8e5}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:34px}
.site-footer h2,.site-footer h3{color:#fff}
.footer-links{display:grid;gap:8px}
.site-footer a{color:#d9e8f5;text-decoration:none}
.fineprint{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:.9rem}
.notice{padding:14px 16px;border:1px solid #c9d7e5;background:#f6f9fc;border-radius:12px;color:#53677c}
@media(max-width:900px){
  .hero-grid,.book-card{grid-template-columns:1fr}
  .hero-grid{gap:34px;padding:52px 0}
  .cover-frame{min-height:360px}
  .grid,.grid.four,.journey{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,var(--max))}
  .nav-wrap{min-height:64px}
  .primary-nav{display:none}
  .hero-grid{padding:40px 0}
  .section{padding:52px 0}
  .grid,.grid.two,.grid.four,.journey{grid-template-columns:1fr}
  .book-card{padding:20px}
  .actions{display:grid}
  .button{width:100%}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}