:root{
  --blue:#1F4FD8; --blue-dark:#173BA6; --blue-soft:#E8EEFD; --navy:#0E1B36;
  --ink:#16213A; --muted:#5A6478; --line:#E1E6F0; --bg:#F5F7FB; --white:#fff;
  --display:"Manrope",ui-sans-serif,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --body:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --serif:"Source Serif 4",Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:16px;background:var(--white);padding:8px 12px;border-radius:8px;z-index:20}
h1,h2,h3{font-family:var(--display);color:var(--navy);line-height:1.15;margin:0;letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);font-weight:800}
h3{font-size:1.15rem;font-weight:700;letter-spacing:-.01em}
p{margin:0}
.eyebrow{font-family:var(--display);font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue)}
.lead{font-size:1.15rem;color:var(--muted);max-width:56ch}
.btn{display:inline-block;font-family:var(--display);font-weight:700;font-size:.98rem;text-decoration:none;padding:13px 22px;border-radius:10px;border:1.5px solid var(--blue);transition:background .15s,color .15s,transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--blue);color:var(--white)}
.btn-primary:hover{background:var(--blue-dark);border-color:var(--blue-dark)}
.btn-ghost{background:transparent;color:var(--blue)}
.btn-ghost:hover{background:var(--blue-soft)}
:focus-visible{outline:3px solid #8FB0FF;outline-offset:3px;border-radius:6px}

/* header */
header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--display);font-weight:800;font-size:1.3rem;color:var(--navy);letter-spacing:-.03em}
.logo svg{display:block}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav ul a{text-decoration:none;font-weight:600;font-size:.95rem;color:var(--muted)}
.nav ul a:hover{color:var(--blue)}

/* hero */
.hero{background:linear-gradient(180deg,var(--bg),var(--white));padding:84px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero h1{margin:16px 0 20px}
.hero h1 em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--blue);letter-spacing:-.01em}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.shelf{position:relative;height:330px}
.book{position:absolute;width:36%;aspect-ratio:3/4;border-radius:6px 12px 12px 6px;padding:22px 18px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 24px 48px -18px rgba(14,27,54,.35);font-family:var(--display)}
.book::before{content:"";position:absolute;left:10px;top:0;bottom:0;width:1px;background:rgba(255,255,255,.28)}
.book b{font-size:1.2rem;font-weight:800;line-height:1.15;letter-spacing:-.02em}
.book span{font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;opacity:.8}
.b1{background:var(--blue);color:#fff;left:0;top:56px;transform:rotate(-4deg)}
.b2{background:var(--navy);color:#fff;left:32%;top:18px;z-index:2}
.b3{background:var(--white);color:var(--navy);border:1px solid var(--line);left:64%;top:62px;transform:rotate(4deg)}
.b3::before{background:var(--line)}

/* sections */
section{padding:88px 0}
.alt{background:var(--bg)}
.head{max-width:680px;margin-bottom:44px}
.head h2{margin:12px 0 14px}
.head p{color:var(--muted);font-size:1.08rem}

.facts{padding:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.facts .wrap{display:grid;grid-template-columns:repeat(3,1fr)}
.fact{padding:30px 28px;border-left:1px solid var(--line)}
.fact:first-child{border-left:0;padding-left:0}
.fact h3{margin-bottom:6px}
.fact p{color:var(--muted);font-size:.96rem}

.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.quote{font-family:var(--serif);font-size:clamp(1.4rem,2.4vw,1.85rem);line-height:1.4;color:var(--navy);border-left:3px solid var(--blue);padding-left:26px}
.values{display:grid;gap:26px}
.value{display:grid;grid-template-columns:44px 1fr;gap:16px}
.num{font-family:var(--display);font-weight:800;color:var(--blue);background:var(--blue-soft);width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-size:.95rem}
.value p{color:var(--muted);font-size:.98rem;margin-top:4px}

.topics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.topic{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px 22px}
.topic svg{color:var(--blue);margin-bottom:16px}
.topic p{color:var(--muted);font-size:.95rem;margin-top:8px}

.catalog{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--white);display:flex;flex-direction:column}
.cover{aspect-ratio:16/10;background:#F1F5FE;border-bottom:1px solid var(--line)}
.cover-alt{background:#F5F6FA}
.cover{overflow:hidden}
.cover img{display:block;width:100%;height:100%;object-fit:cover}
.card-body h3{margin-top:8px}
.card-body{padding:20px 22px 24px}
.tag{font-family:var(--display);font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.card-body p{color:var(--muted);font-size:.96rem;margin-top:8px}
.note{margin-top:28px;color:var(--muted);font-size:.95rem}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:s}
.step{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:28px 24px}
.step::before{counter-increment:s;content:"Step " counter(s);display:block;font-family:var(--display);font-size:.75rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.step p{color:var(--muted);font-size:.97rem;margin-top:8px}

.faq{max-width:780px}
details{border-bottom:1px solid var(--line);padding:20px 0}
summary{cursor:pointer;list-style:none;font-family:var(--display);font-weight:700;font-size:1.08rem;color:var(--navy);display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--blue);font-size:1.4rem;line-height:1}
details[open] summary::after{content:"–"}
details p{color:var(--muted);margin-top:10px;max-width:64ch}

.cta{background:var(--navy);color:#fff;border-radius:20px;padding:60px 48px;display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta h2{color:#fff}
.cta p{color:#B9C4DC;margin-top:10px;max-width:48ch}
.cta .btn{background:#fff;color:var(--navy);border-color:#fff}
.cta .btn:hover{background:var(--blue-soft)}

footer{border-top:1px solid var(--line);padding:44px 0;color:var(--muted);font-size:.93rem}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:center}
.foot ul{display:flex;gap:24px;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.foot a{text-decoration:none}
.foot a:hover{color:var(--blue)}

@media (max-width:900px){
  .hero{padding:56px 0 48px}
  .hero-grid,.mission-grid{grid-template-columns:1fr;gap:40px}
  .shelf{height:270px;max-width:420px}
  .book{padding:16px 12px 16px 16px}
  .book b{font-size:1rem}
  .topics{grid-template-columns:repeat(2,1fr)}
  .catalog,.steps{grid-template-columns:1fr 1fr}
  section{padding:64px 0}
}
@media (max-width:640px){
  .nav{padding-top:12px;padding-bottom:12px}
  .nav ul{gap:18px;width:100%;overflow-x:auto;padding-bottom:4px}
  .facts .wrap,.catalog,.steps,.topics{grid-template-columns:1fr}
  .fact{border-left:0;border-top:1px solid var(--line);padding:22px 0}
  .fact:first-child{border-top:0}
  .cta{padding:40px 26px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

/* legal pages */
.legal{max-width:760px;padding:72px 24px 88px}
.legal h1{font-size:clamp(2rem,4vw,2.8rem);margin:12px 0 8px}
.legal .date{color:var(--muted);font-size:.95rem;margin-bottom:36px}
.legal h2{font-size:1.3rem;margin:36px 0 10px}
.legal p,.legal li{color:#3B4660}
.legal p+p{margin-top:12px}
.legal ul{padding-left:22px;margin:10px 0 0}
.legal a{color:var(--blue)}