:root{--blue:#0E5BB5;--sun:#FFB627;--orange:#FF8A1F;--navy:#1B2B4B;--cream:#FFF7E6}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#FFF7E6}
body{margin:0;min-height:100vh;font-family:"Nunito","Trebuchet MS",system-ui,sans-serif;color:var(--navy);background:#FFF7E6;line-height:1.65;font-size:18px;overflow-x:hidden}
h1,h2,h3{font-family:"Baloo 2","Nunito",system-ui,sans-serif;font-weight:800}
img{max-width:100%;height:auto;display:block}
a{color:#0E5BB5}
:focus-visible{outline:3px solid #FF8A1F;outline-offset:3px}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
.site-header{position:sticky;top:0;z-index:20;background:#FFC93F;border-bottom:5px solid #D98E00;box-shadow:0 6px 14px rgba(8,40,90,.18)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:80px}
.brand img{height:56px;width:auto;border-radius:50%;background:#fff;box-shadow:0 0 0 3px #0E5BB5}
nav a{display:inline-block;margin-left:6px;padding:10px 22px;border-radius:999px;text-decoration:none;color:#0A3F82;font-weight:800;letter-spacing:.3px}
nav a:hover{background:#FFF7E6}
nav a.active{background:#0E5BB5;color:#fff}
.menu-btn{display:none;background:#0E5BB5;color:#fff;border:0;border-radius:14px;font-size:26px;font-weight:800;padding:6px 14px;cursor:pointer}
.hero{color:#fff;text-align:center;padding:36px 0 84px;background:radial-gradient(circle at 92% 8%,rgba(255,214,102,.4) 0,rgba(255,214,102,0) 18%),linear-gradient(180deg,#0E5BB5 0%,#1678D6 100%);border-radius:0 0 72px 72px;box-shadow:0 12px 0 #FFB627}
.hero h1{font-size:clamp(40px,7vw,72px);margin:6px 0 10px;line-height:1.02;color:#fff;text-shadow:0 5px 0 rgba(8,40,90,.35)}
.hero p.strap{font-size:clamp(20px,3vw,27px);margin:0 auto 26px;max-width:720px;font-weight:800;color:#fff}
.btn{display:inline-block;padding:15px 40px;border-radius:999px;background:#FF8A1F;color:#2B1300;font-weight:800;font-size:20px;text-decoration:none;border:0;cursor:pointer;margin:8px;transition:transform .15s,box-shadow .15s;box-shadow:0 6px 0 #B85A00}
.btn:hover{transform:translateY(-3px);box-shadow:0 9px 0 #B85A00}
.btn:active{transform:translateY(3px);box-shadow:0 3px 0 #B85A00}
.btn.alt{background:#FFB627;color:#2B1B00;box-shadow:0 6px 0 #C98300}
.btn.alt:hover{box-shadow:0 9px 0 #C98300}
.btn.disabled{background:#E8E3D6;color:#5B5648;cursor:default;pointer-events:none;box-shadow:none}
.slider{position:relative;max-width:980px;margin:22px auto 0;border-radius:36px;overflow:hidden;background:#fff;border:6px solid #fff;box-shadow:0 10px 0 rgba(8,40,90,.35)}
.slides{display:flex;transition:transform .6s ease}
.slide{min-width:100%;aspect-ratio:16/9;background:#EAF4FF}
.slide img{width:100%;height:100%;object-fit:contain}
.arrow{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;border:0;background:#FF8A1F;color:#2B1300;font-size:28px;font-weight:800;cursor:pointer;box-shadow:0 4px 0 #B85A00}
.arrow:hover{background:#FFB627}
.arrow.prev{left:14px}.arrow.next{right:14px}
.dots{display:flex;justify-content:center;gap:8px;padding:14px 10px;flex-wrap:wrap;background:#fff}
.dots button{width:14px;height:14px;border-radius:50%;border:2px solid #0E5BB5;background:#fff;cursor:pointer;padding:0}
.dots button.on{background:#0E5BB5}
section{padding:44px 0}
h2{font-size:clamp(28px,4vw,42px);line-height:1.15;margin:0 0 16px;color:#0E5BB5}
.card{background:#fff;border:3px solid #FFE7B0;border-radius:40px;padding:36px;box-shadow:0 10px 0 #F0DCAB}
.card h2{color:#0E5BB5}
.trust{list-style:none;padding:0;margin:18px 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.trust li{border-radius:24px;padding:18px 20px;font-weight:800;color:#fff;background:#0B7A75;box-shadow:0 6px 0 #075753}
.trust li:nth-child(2){background:#7A57E6;box-shadow:0 6px 0 #4C30B0}
.trust li:nth-child(3){background:#FFB627;color:#2B1B00;box-shadow:0 6px 0 #C98300}
.trust li:nth-child(4){background:#FF6B8A;color:#4A0A1F;box-shadow:0 6px 0 #C73A5C}
.closing{font-size:21px;font-weight:800;text-align:center;max-width:760px;margin:28px auto 0;color:var(--navy)}
.books{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:26px;margin-top:24px}
.book{display:block;background:#FFB627;color:#2B1B00;border-radius:36px;padding:18px 18px 22px;text-align:center;text-decoration:none;box-shadow:0 10px 0 #C98300;transition:transform .2s}
.book:nth-child(2){background:#3DDC97;color:#04321F;box-shadow:0 10px 0 #1B9E66}
.book:nth-child(3){background:#7A57E6;color:#fff;box-shadow:0 10px 0 #4C30B0}
.book:nth-child(4){background:#FF6B8A;color:#4A0A1F;box-shadow:0 10px 0 #C73A5C}
.book:hover{transform:translateY(-6px)}
.book h3{font-size:22px;line-height:1.15;margin:6px 0}
.book p{font-size:16px;font-weight:700;margin:0 0 14px}
.book .btn{font-size:17px;padding:10px 26px;margin:0;background:#fff;color:#0E5BB5;box-shadow:0 5px 0 rgba(0,0,0,.2)}
.book3d{position:relative;display:block;transform:perspective(900px) rotateY(-14deg);transform-origin:left center;transition:transform .3s ease;border-radius:3px 8px 8px 3px;box-shadow:2px 0 0 #fff,4px 0 0 #D9D2BE,6px 0 0 #fff,8px 0 0 #D9D2BE,10px 1px 0 #B9B29C,16px 18px 22px rgba(20,20,60,.38)}
.book3d img{display:block;width:100%;height:auto;margin:0;border-radius:3px 8px 8px 3px;box-shadow:none;max-height:none}
.book3d::before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border-radius:3px 8px 8px 3px;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.38) 0,rgba(255,255,255,.3) 2.5%,rgba(0,0,0,.2) 5%,rgba(0,0,0,0) 10%),linear-gradient(135deg,rgba(255,255,255,.28) 0,rgba(255,255,255,0) 38%)}
.book .book3d{width:78%;margin:8px auto 24px}
.book:hover .book3d,a.cover:hover .book3d{transform:perspective(900px) rotateY(-5deg) translateY(-4px)}
.page-title{color:#fff;text-align:center;padding:36px 0 64px;background:linear-gradient(180deg,#0E5BB5 0%,#1678D6 100%);border-radius:0 0 72px 72px;box-shadow:0 12px 0 #FFB627}
.page-title h1{margin:0 0 8px;font-size:clamp(32px,5.5vw,56px);line-height:1.1;color:#fff;text-shadow:0 5px 0 rgba(8,40,90,.35)}
.page-title p{margin:0 auto;max-width:720px;font-weight:800;font-size:20px;color:#fff}
.desc p{margin:0 0 16px}
.desc ul{margin:0 0 16px;padding-left:26px}
.formats{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:28px;margin-top:32px}
.format{background:#fff;border:3px solid #FFE7B0;border-radius:36px;padding:24px;text-align:center;box-shadow:0 10px 0 #F0DCAB}
.format h3{margin:0 0 14px;font-size:26px;color:#0E5BB5}
.format img{margin:0 auto 20px;border-radius:16px;max-height:420px;width:auto;box-shadow:0 6px 0 rgba(0,0,0,.18)}
.format a.cover img{margin:0 auto}
.format .book3d{width:fit-content;margin:8px auto 24px}
.format .book3d img{width:auto;max-height:400px}
a.cover{display:block;width:fit-content;margin:0 auto 20px;border-radius:16px;transition:transform .2s}
a.cover:hover{transform:scale(1.03)}
.back{display:inline-block;margin:26px 0 0;font-weight:800;color:#0E5BB5}
.sup h2{margin-top:10px}
.links{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-bottom:36px}
.link{background:#fff;border:3px solid #FFE7B0;border-radius:28px;padding:24px;box-shadow:0 8px 0 #F0DCAB}
.link h3{margin:0 0 6px;font-size:21px;color:#0E5BB5}
.link p{margin:0 0 10px;font-size:16px}
.link a{font-weight:800;word-break:break-word}
footer{background:#0E5BB5;color:#fff;padding:36px 0;text-align:center;font-size:15px;font-weight:700;margin-top:40px;border-radius:72px 72px 0 0}
.contact-wrap{max-width:720px;margin:0 auto 20px}
.cform{background:#fff;border:3px solid #FFE7B0;border-radius:36px;padding:32px;box-shadow:0 10px 0 #F0DCAB}
.cform label{display:block;font-weight:800;color:var(--navy);margin:0 0 6px;font-size:17px}
.cform .row{margin-bottom:20px}
.cform input,.cform select,.cform textarea{width:100%;box-sizing:border-box;font:inherit;font-size:17px;color:var(--navy);background:#FFF7E6;border:2px solid #C9D6EE;border-radius:18px;padding:13px 16px;outline:none;transition:border-color .2s,box-shadow .2s}
.cform textarea{min-height:160px;resize:vertical}
.cform input:focus,.cform select:focus,.cform textarea:focus{border-color:#0E5BB5;box-shadow:0 0 0 4px rgba(14,91,181,.2)}
.cform button.btn{border:0;cursor:pointer;font:inherit;font-weight:800;font-size:18px;margin-left:0}
.cform button.btn[disabled]{opacity:.6;cursor:wait}
.cmsg{margin:18px 0 0;padding:16px 18px;border-radius:18px;font-weight:700;display:none}
.cmsg.ok{display:block;background:#DDF5E7;color:#0b5a2e}
.cmsg.err{display:block;background:#FFE3DD;color:#8a2410}
@media(max-width:760px){
 .menu-btn{display:block}
 nav{display:none;position:absolute;left:0;right:0;top:100%;background:#FFC93F;padding:8px 18px 18px;border-radius:0 0 28px 28px;border-bottom:5px solid #D98E00;box-shadow:0 8px 14px rgba(8,40,90,.15)}
 nav.open{display:block}
 nav a{display:block;margin:6px 0;text-align:center}
 body{font-size:17px}
 .card{padding:24px}
 .hero,.page-title{border-radius:0 0 44px 44px}
 .arrow{width:42px;height:42px}
 .arrow.prev{left:10px}.arrow.next{right:10px}
 footer{border-radius:44px 44px 0 0}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}