:root{
  --navy:#0D2A42;
  --navy-2:#153B59;
  --sky:#7EC8E3;
  --sky-pale:#EAF6FB;
  --coral:#F26F57;
  --gold:#F4C34F;
  --ink:#18232C;
  --muted:#5B6872;
  --paper:#FCFEFF;
  --white:#FFFFFF;
  --line:#C8D8E2;
  --max:1180px;
  --shadow:0 18px 50px rgba(13,42,66,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.topline{background:var(--coral);color:#fff;font-size:.88rem;font-weight:800;letter-spacing:.01em}
.topline .wrap{min-height:38px;display:flex;align-items:center;justify-content:center;gap:10px;text-align:center}
.topline a{text-underline-offset:3px}
.header{position:sticky;top:0;z-index:30;background:rgba(252,254,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:24px;min-height:74px}
.brand{margin-right:auto;text-decoration:none;font-weight:900;letter-spacing:.02em;color:var(--navy);display:flex;align-items:center;gap:10px}
.brand-mark{width:34px;height:34px;position:relative;background:var(--navy);display:grid;place-items:center;color:white;font-size:.74rem;font-weight:900;transform:rotate(2deg)}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;background:var(--gold);right:-5px;top:-5px}
.nav a:not(.brand){text-decoration:none;font-size:.91rem;font-weight:800;padding:26px 0 22px;border-bottom:3px solid transparent}
.nav a.active:not(.brand), .nav a:not(.brand):hover{border-color:var(--coral)}
.nav .shop{background:var(--navy);color:white;padding:11px 15px!important;border:0!important}
.menu{display:none;border:0;background:none;font-size:1.6rem;color:var(--navy)}
.btn{display:inline-block;text-decoration:none;font-size:.9rem;font-weight:900;letter-spacing:.01em;padding:12px 17px;border:2px solid var(--navy);border-radius:0;transition:.17s ease}
.btn.primary{background:var(--coral);border-color:var(--coral);color:white}
.btn.navy{background:var(--navy);border-color:var(--navy);color:white}
.btn.light{background:white;border-color:white;color:var(--navy)}
.btn.outline{background:transparent;color:inherit;border-color:currentColor}
.btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--gold)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.17em;font-weight:900;color:var(--coral);margin-bottom:12px}
.display, h1,h2,h3{font-family:Georgia,"Times New Roman",serif;color:var(--navy)}
.hero{position:relative;background:var(--navy);color:white;overflow:hidden}
.hero:after{content:"";position:absolute;right:0;top:0;width:42%;height:100%;background:var(--sky);clip-path:polygon(20% 0,100% 0,100% 100%,0 100%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;min-height:660px;position:relative;z-index:2}
.hero-copy{padding:84px 65px 72px 0;display:flex;flex-direction:column;justify-content:center}
.hero h1{color:white;font-size:clamp(3.8rem,7vw,7rem);line-height:.93;letter-spacing:-.045em;margin:.04em 0 .2em}
.hero .bookline{font-family:Georgia,serif;font-size:1.55rem;line-height:1.22;margin:10px 0 5px}
.hero .subline{color:#CFEAF5;font-weight:800;margin-bottom:20px}
.hero p{max-width:650px;color:#E7F1F6;font-size:1.07rem}
.hero-art{position:relative;min-height:660px}
.hero-art .scene{position:absolute;inset:38px 0 38px 25px;width:calc(100% - 25px);height:calc(100% - 76px);object-fit:cover;box-shadow:var(--shadow)}
.hero-art .cover{position:absolute;width:min(245px,43%);left:-45px;bottom:55px;border:7px solid white;box-shadow:0 24px 45px rgba(0,0,0,.3);transform:rotate(-2deg)}
.hero-art .sticker{position:absolute;right:18px;top:54px;background:var(--gold);color:var(--navy);padding:11px 14px;font-weight:900;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;box-shadow:6px 6px 0 var(--navy)}
.section{padding:88px 0}
.section.sky{background:var(--sky-pale)}
.section.navy{background:var(--navy);color:white}
.section-head{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px;align-items:end;padding-bottom:26px;border-bottom:2px solid var(--navy);margin-bottom:45px}
.section-head h2{font-size:clamp(2.8rem,5vw,5rem);line-height:.99;letter-spacing:-.03em;margin:0}
.section-head p{font-size:1.08rem;color:var(--muted);margin:0 0 6px}
.navy .section-head{border-color:#6A8CA3}
.navy .section-head h2{color:white}
.navy .section-head p{color:#D7E7EF}
.series-list{border-top:1px solid var(--line)}
.series-item{display:grid;grid-template-columns:90px 240px 1fr 180px;gap:34px;align-items:center;padding:34px 0;border-bottom:1px solid var(--line)}
.series-num{font-family:Georgia,serif;font-size:4.2rem;color:#B9D8E6}
.series-cover{width:190px;max-height:290px;object-fit:contain;filter:drop-shadow(0 14px 17px rgba(13,42,66,.15))}
.series-copy .eyebrow{font-size:.72rem;text-transform:uppercase;letter-spacing:.15em;font-weight:900;color:var(--coral)}
.series-copy h3{font-size:1.9rem;margin:4px 0}
.series-copy p{color:var(--muted);margin:.35em 0}
.series-action{text-align:right}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.image-stack{position:relative;padding:0 45px 40px 0}
.image-stack:after{content:"";position:absolute;right:10px;bottom:0;width:76%;height:78%;background:var(--gold);z-index:0}
.image-stack img{position:relative;z-index:2;width:100%;box-shadow:var(--shadow)}
.split h2{font-size:clamp(2.8rem,5vw,4.8rem);line-height:1;margin:.1em 0 .25em}
.lead{font-size:1.22rem;color:#35576E}
.four-moves{display:grid;grid-template-columns:repeat(4,1fr);border-top:2px solid var(--navy);border-left:2px solid var(--navy);margin-top:34px}
.move{padding:24px 22px;border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);background:white}
.move .n{font-family:Georgia,serif;font-size:2.3rem;color:var(--coral)}
.move strong{display:block;color:var(--navy);font-size:.9rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:7px}
.resource-lines{border-top:2px solid var(--navy)}
.resource-line{display:grid;grid-template-columns:76px 1fr 190px;gap:28px;align-items:center;padding:27px 0;border-bottom:1px solid var(--line)}
.resource-line .num{font-family:Georgia,serif;font-size:2.2rem;color:var(--coral)}
.resource-line h3{font-size:1.6rem;margin:0 0 4px}
.resource-line p{margin:0;color:var(--muted)}
.visual-band{display:grid;grid-template-columns:1.18fr .82fr;min-height:480px}
.visual-band .photo{min-height:480px}
.visual-band img{width:100%;height:100%;object-fit:cover}
.visual-band .copy{background:var(--navy);color:white;padding:62px clamp(34px,6vw,80px);display:flex;flex-direction:column;justify-content:center}
.visual-band h2{color:white;font-size:clamp(2.7rem,5vw,4.6rem);line-height:1.02;margin:.1em 0 .3em}
.visual-band p{color:#DDECF3}
.quote{padding:58px 0;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.quote p{font-family:Georgia,serif;font-size:clamp(2rem,4vw,3.8rem);line-height:1.1;color:var(--navy);margin:0}
.page-hero{background:linear-gradient(120deg,var(--sky-pale),white 70%);border-bottom:1px solid var(--line);padding:80px 0 58px}
.page-hero h1{font-size:clamp(3.4rem,6vw,6.2rem);line-height:.96;letter-spacing:-.04em;margin:.05em 0 .2em}
.page-hero p{font-size:1.14rem;max-width:780px;color:var(--muted)}
.book-detail{display:grid;grid-template-columns:minmax(270px,.72fr) 1.28fr;gap:75px;align-items:start}
.book-cover{width:100%;max-width:490px;box-shadow:var(--shadow)}
.book-copy h2{font-size:clamp(2.7rem,5vw,4.6rem);line-height:1.02;margin:.1em 0 .25em}
.subtitle{font-family:Georgia,serif;color:var(--navy);font-size:1.55rem}
.lesson{font-weight:900;color:#A54837;margin:9px 0 20px}
.tags{display:flex;flex-wrap:wrap;border-top:1px solid var(--line);border-left:1px solid var(--line);margin:26px 0}
.tag{padding:8px 11px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:.81rem;font-weight:900;color:var(--navy);background:white}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:48px}
.scene-grid img{width:100%;height:225px;object-fit:cover}
.edu-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.edu-block{background:white;padding:36px}
.edu-block h3{font-size:1.7rem;margin:.1em 0 .3em}
.statline{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:32px}
.stat{padding:18px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{display:block;text-transform:uppercase;letter-spacing:.08em;font-size:.73rem;color:var(--coral)}
.bailey-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:70px;align-items:center}
.bailey-photo{position:relative}
.bailey-photo:before{content:"";position:absolute;left:-22px;top:-22px;width:55%;height:55%;background:var(--sky);z-index:0}
.bailey-photo:after{content:"";position:absolute;right:-22px;bottom:-22px;width:55%;height:55%;background:var(--gold);z-index:0}
.bailey-photo img{position:relative;z-index:1;width:100%;box-shadow:var(--shadow)}
.pack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.pack{background:white}
.pack img{width:100%;aspect-ratio:1/1;object-fit:cover}
.pack div{padding:12px 14px 16px}
.pack strong{display:block;color:var(--navy)}
.pack span{font-size:.82rem;color:var(--muted)}
.author-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:72px;align-items:start}
.author-grid img{width:100%;box-shadow:var(--shadow)}
.author-grid h2{font-size:clamp(2.8rem,5vw,4.5rem);line-height:1;margin:.1em 0 .25em}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}
.contact-panel{border-top:5px solid var(--coral);padding:30px 0}
.contact-panel h2{font-size:2.2rem;margin:.1em 0 .3em}
.contact-email{font-family:Georgia,serif;font-size:1.6rem;color:var(--navy)}
.footer{background:#071C2D;color:#D7E7EF;padding:58px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr;gap:55px}
.footer h3{color:white;font-size:1.35rem;margin-top:0}
.footer a{color:#D7E7EF;text-decoration:none}
.footer a:hover{text-decoration:underline}
.footer-bottom{border-top:1px solid #315064;margin-top:34px;padding-top:18px;color:#9CB7C7;font-size:.82rem}
@media(max-width:920px){
  .nav{flex-wrap:wrap;padding:12px 0}
  .menu{display:block;margin-left:auto}
  .nav a:not(.brand){display:none;width:100%;padding:10px 0}
  .nav.open a:not(.brand){display:block}
  .hero:after{display:none}
  .hero-grid,.split,.visual-band,.book-detail,.bailey-grid,.author-grid,.contact-grid,.section-head{grid-template-columns:1fr}
  .hero-copy{padding:60px 0 35px}
  .hero-art{min-height:500px}
  .hero-art .scene{left:0;width:100%;inset:0}
  .hero-art .cover{left:18px;width:210px}
  .series-item{grid-template-columns:70px 170px 1fr}
  .series-action{grid-column:3;text-align:left}
  .four-moves{grid-template-columns:1fr 1fr}
  .pack-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .edu-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .wrap{width:min(var(--max),calc(100% - 28px))}
  .hero h1{font-size:3.35rem}
  .hero-art{min-height:410px}
  .hero-art .cover{width:165px}
  .section{padding:62px 0}
  .series-item{grid-template-columns:55px 1fr}
  .series-cover{grid-column:2;width:150px}
  .series-copy,.series-action{grid-column:2}
  .four-moves{grid-template-columns:1fr}
  .resource-line{grid-template-columns:50px 1fr}
  .resource-line .btn{grid-column:2}
  .scene-grid{grid-template-columns:1fr}
  .pack-grid{grid-template-columns:repeat(2,1fr)}
  .statline{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr}
}