:root{--w:1120px;--gut:max(24px,calc((100% - var(--w))/2));--plum:#0E1726;--plum2:#16243A;--wine:#C25E3E;--rose:#E2896F;--blush:#DCE8EC;--cream:#F4F1EC;--paper:#FCFBF9;--ink:#16202C;--muted:#5E6B76;--line:#DCE3E6}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"DM Sans",system-ui,sans-serif;color:var(--ink);background:var(--cream);line-height:1.65;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:"Cormorant Garamond",Georgia,serif;font-weight:500;line-height:1.1}
.logo em{font-style:italic;color:var(--rose)}
h1{font-size:clamp(40px,5.6vw,72px);color:#fff;margin:0 0 22px}
h2{font-size:clamp(30px,3.6vw,44px);color:var(--plum);margin-bottom:18px}
h3{font-size:22px;color:var(--plum);margin-bottom:6px}
.lead{font-size:20px;color:var(--plum2);max-width:640px}
.btn{display:inline-block;border:1px solid var(--wine);cursor:pointer;font:500 16px "DM Sans",sans-serif;text-decoration:none;color:#fff;background:var(--wine);padding:15px 28px;border-radius:2px;transition:background .15s}
.btn:hover{background:var(--plum)}
.btn.big{font-size:17px;padding:17px 34px}
.btn.sm{padding:8px 16px;font-size:14px}
.btn.ghost{background:transparent;border-color:rgba(220,232,236,.5);color:var(--blush)}
.link{color:var(--wine);text-underline-offset:3px}

.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:14px var(--gut);background:var(--plum);color:var(--blush);border-bottom:1px solid rgba(220,232,236,.12)}
.logo{font-family:"Cormorant Garamond",serif;font-size:21px;text-decoration:none;color:#fff}
.nav nav{display:flex;gap:26px;align-items:center;font-size:15px}
.nav nav a:not(.btn){text-decoration:none;color:var(--blush)}
.nav nav a:not(.btn):hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
@media(max-width:820px){.nav{flex-wrap:wrap;row-gap:10px}.nav nav{order:3;width:100%;gap:20px;overflow-x:auto;white-space:nowrap;font-size:14px;padding-bottom:2px}.nav nav .btn{display:none}.nav .logo{font-size:19px}}

.hero{background:var(--plum);color:var(--blush);padding:72px var(--gut) 84px}
.hero-in{display:grid;grid-template-columns:1fr 340px;gap:80px;align-items:center}
.hero .lead{color:var(--blush);margin-bottom:28px}
.hero h1{font-size:clamp(44px,6vw,76px)}
.hero-book img{border-radius:3px;box-shadow:0 30px 60px -25px rgba(0,0,0,.8)}
.price-row{display:flex;align-items:baseline;gap:14px;margin-bottom:24px;flex-wrap:wrap}
.was{text-decoration:line-through;color:var(--muted);font-size:19px}
.hero .was{color:rgba(220,232,236,.5)}
.now{font-family:"Cormorant Garamond",serif;font-size:42px;color:#fff}
.buybox .now{color:var(--plum)}
.tag{font-size:15px;font-style:italic;font-family:"Cormorant Garamond",serif;color:var(--rose)}
.trust{margin-top:22px;font-size:14px;color:rgba(220,232,236,.7)}
@media(max-width:860px){.hero{padding-top:44px;padding-bottom:56px}.hero-in{grid-template-columns:1fr;gap:36px}.hero-book{max-width:200px}}

/*unused*/.facts{max-width:1160px;margin:0 auto;padding:34px 5vw;display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between;border-bottom:1px solid var(--line);font-size:16px;color:var(--muted)}
.facts b{font-family:"Cormorant Garamond",serif;font-size:30px;color:var(--plum);font-weight:500;margin-right:6px}

.sec{padding:88px var(--gut)}
.sec.dark{background:var(--plum);color:var(--blush)}
.sec.dark h2{color:#fff}.sec.dark .lead{color:var(--blush)}
.sec>.lead{margin-bottom:44px}

.toc{list-style:none;border-top:1px solid var(--line)}
.toc li{display:grid;grid-template-columns:70px 240px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);align-items:baseline}
.toc .n{font-family:"Cormorant Garamond",serif;font-style:italic;font-size:26px;color:var(--rose)}
.toc h3{margin:0}
.toc p{color:var(--muted);font-size:16px}
@media(max-width:760px){.toc li{grid-template-columns:44px 1fr}.toc p{grid-column:2}}

.pages{display:flex;gap:20px;overflow-x:auto;padding:6px 0 10px;scrollbar-width:thin}
.pages img{width:280px;flex:none;border-radius:2px}

.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-bottom:34px}
.tech-grid img{aspect-ratio:1/1;object-fit:cover;object-position:center top;width:100%}
.tech-grid figcaption{font-family:"Cormorant Garamond",serif;font-size:19px;padding-top:10px;color:var(--plum)}
@media(max-width:900px){.tech-grid{grid-template-columns:1fr 1fr}}
.names{color:var(--muted);font-size:16px;max-width:820px}

.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
@media(max-width:860px){.split{grid-template-columns:1fr}}
.plain{margin:6px 0 28px;padding-left:20px}
.plain li{margin-bottom:12px}

.learn{border-top:1px solid var(--line)}
.learn a{display:grid;grid-template-columns:300px 1fr 24px;gap:24px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--line);text-decoration:none}
.learn a::after{content:"→";color:var(--rose)}
.learn h3{margin:0}
.learn a:hover h3{text-decoration:underline;text-underline-offset:4px}
.learn p{font-size:15px;color:var(--muted)}
@media(max-width:860px){.learn{border-top:1px solid var(--line)}}

.buybox .card{display:grid;grid-template-columns:260px 1fr;gap:56px;align-items:center;background:var(--paper);border:1px solid var(--line);padding:48px}
@media(max-width:800px){.buybox .card{grid-template-columns:1fr;padding:28px}.buybox .card>img{max-width:220px}}
.age{display:flex;gap:10px;align-items:center;font-size:15px;margin-bottom:16px;color:var(--plum2)}
.age input{width:18px;height:18px;accent-color:var(--wine)}
.fine{font-size:13px;color:var(--muted);margin-top:14px}

.faq{max-width:780px}
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-family:"Cormorant Garamond",serif;font-size:21px;color:var(--plum)}
.faq p{margin-top:10px;color:var(--muted)}

.foot{background:var(--plum);color:rgba(220,232,236,.7);padding:56px var(--gut);font-size:14px}
.foot-in{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.foot h4{font:500 15px "DM Sans";color:var(--blush);margin-bottom:10px}
.foot a{display:block;text-decoration:none;margin-bottom:6px}
.foot a:hover{color:#fff}
.foot .logo{font-size:22px;margin-bottom:10px}
@media(max-width:760px){.foot-in{grid-template-columns:1fr}}

/* article pages */
.article{max-width:720px;margin:0 auto;padding:64px 22px 40px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:24px}
.crumbs a{text-underline-offset:3px}
.article h1{color:var(--plum);font-size:clamp(36px,5vw,54px)}
.article .lead{margin-bottom:30px}
.article h2{font-size:30px;margin:46px 0 12px}
.article h3{margin:26px 0 6px}
.article p,.article li{margin-bottom:14px}
.article ul,.article ol{padding-left:22px;margin-bottom:18px}
.article figure{margin:30px 0}
.article figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.meta{font-size:14px;color:var(--muted);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:10px 0;margin-bottom:30px}
.note{border-left:3px solid var(--rose);padding:4px 0 4px 18px;margin:26px 0;color:var(--plum2)}
.cta{background:var(--plum);color:var(--blush);padding:34px;margin:44px 0;display:grid;grid-template-columns:120px 1fr;gap:26px;align-items:center}
.cta h3{color:#fff;font-size:24px}
.cta p{margin-bottom:14px}
@media(max-width:600px){.cta{grid-template-columns:1fr}.cta img{max-width:120px}}
table{width:100%;border-collapse:collapse;margin:20px 0;font-size:16px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600;color:var(--plum)}

.gate{position:fixed;inset:0;z-index:100;background:rgba(20,6,16,.95);display:grid;place-items:center;padding:20px}
.gate[hidden]{display:none}
.gate-box{max-width:460px;text-align:center;background:var(--plum);border:1px solid rgba(220,232,236,.2);padding:44px 34px;color:var(--blush)}
.gate-box h2{color:#fff}
.gate-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}

.page{min-height:100vh;display:grid;place-items:center;padding:40px 20px;background:var(--plum);color:var(--blush);text-align:center}
.page .box{max-width:560px;border:1px solid rgba(220,232,236,.25);padding:46px 34px}
.page h1{font-size:40px}
.page p{margin-bottom:16px}
.legal{max-width:760px;margin:0 auto;padding:70px 24px 80px}
.legal h1{color:var(--plum);font-size:40px}
.legal h2{font-size:24px;margin:28px 0 8px}
.legal p,.legal li{margin-bottom:10px;color:var(--ink)}

.split img{width:100%}
@media(max-width:600px){.sec{padding-top:60px;padding-bottom:60px}.buybox{padding-left:0;padding-right:0}.buybox .card{border-left:0;border-right:0}.toc li{padding:18px 0}.pages img{width:220px}.tech-grid{gap:16px}}
@media(max-width:700px){.learn a{grid-template-columns:1fr 20px;gap:4px 12px}.learn h3{grid-column:1}.learn p{grid-column:1;grid-row:2}.learn a::after{grid-row:1/3;grid-column:2;align-self:center}.toc li{grid-template-columns:40px 1fr;gap:6px 12px}.toc p{grid-column:2}}

.peek{display:grid;grid-template-columns:300px 1fr;gap:60px;align-items:center}
.peek-ctrl{display:flex;align-items:center;gap:16px;margin-top:26px;font-size:15px;color:rgba(220,232,236,.7)}
.pbtn{width:44px;height:44px;border:1px solid rgba(220,232,236,.35);background:transparent;color:#fff;font-size:18px;cursor:pointer;border-radius:2px}
.pbtn:disabled{opacity:.3;cursor:default}.pbtn:not(:disabled):hover{background:rgba(255,255,255,.08)}
.book{position:relative;aspect-ratio:1400/994;cursor:pointer;user-select:none}
.spread{position:absolute;inset:0;display:flex;opacity:0;visibility:hidden;transition:opacity .45s,transform .45s;transform:translateX(12px)}
.book[data-s="0"] .s0,.book[data-s="1"] .s1,.book[data-s="2"] .s2{opacity:1;visibility:visible;transform:none}
.pg{width:50%;height:100%;object-fit:cover;box-shadow:0 30px 50px -25px rgba(0,0,0,.8)}
.pg.l{margin-right:auto}.s0 .pg.r{margin-left:auto;border-left:1px solid rgba(0,0,0,.3)}
.s1 .pg.l{box-shadow:inset -18px 0 30px -20px rgba(0,0,0,.4),0 30px 50px -25px rgba(0,0,0,.8)}
.lock{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:18px;padding:30px;background:rgba(14,23,38,.62)}
.lock p{color:#fff;font-family:"Cormorant Garamond",serif;font-size:24px;max-width:380px;line-height:1.3}
@media(max-width:900px){.peek{grid-template-columns:1fr;gap:30px}.lock p{font-size:18px}}

/* 3D book */
.b3d{perspective:1800px;padding:20px 30px 50px;position:relative}
.bk{--ry:-24deg;--rx:6deg;--sx:30%;--d:30px;position:relative;width:100%;aspect-ratio:697/993;transform-style:preserve-3d;transform:rotateY(var(--ry)) rotateX(var(--rx));animation:float 7s ease-in-out infinite;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.b3d.live .bk{animation:none;transition:transform .12s ease-out}
@keyframes float{0%,100%{transform:rotateY(-24deg) rotateX(6deg) translateY(0)}50%{transform:rotateY(-16deg) rotateX(3deg) translateY(-10px)}}
.bk>div{position:absolute}
.bk-front{inset:0;transform:translateZ(calc(var(--d)/2));border-radius:2px 5px 5px 2px;overflow:hidden;box-shadow:inset 4px 0 8px -4px rgba(0,0,0,.6)}
.bk-front img{width:100%;height:100%;object-fit:cover;display:block}
.bk-front::before{content:"";position:absolute;left:0;top:0;bottom:0;width:14px;background:linear-gradient(90deg,rgba(0,0,0,.45),rgba(255,255,255,.08) 40%,transparent);z-index:1}
.sheen{position:absolute;inset:0;background:linear-gradient(115deg,transparent 30%,rgba(220,245,245,.16) calc(var(--sx) - 5%),transparent calc(var(--sx) + 15%));mix-blend-mode:screen;pointer-events:none}
.bk-back{inset:0;transform:translateZ(calc(var(--d)/-2));background:#0A111D;border-radius:5px 2px 2px 5px}
.bk-spine{top:0;bottom:0;left:0;width:var(--d);transform:translateX(calc(var(--d)/-2)) rotateY(-90deg);background:linear-gradient(90deg,#0A111D,#16243A 45%,#0E1726)}
.bk-pages{top:4px;bottom:4px;right:0;width:calc(var(--d) - 4px);transform:translateX(calc((var(--d) - 4px)/2)) rotateY(90deg);background:repeating-linear-gradient(90deg,#f6eee6 0 2px,#e2d6cc 2px 3px);box-shadow:inset 0 0 12px rgba(0,0,0,.25)}
.bk-top{left:2px;right:4px;top:0;height:calc(var(--d) - 4px);transform:translateY(calc((var(--d) - 4px)/-2)) rotateX(90deg);background:repeating-linear-gradient(0deg,#f6eee6 0 2px,#e2d6cc 2px 3px)}
.bk-shadow{position:absolute;left:12%;right:4%;bottom:14px;height:40px;background:radial-gradient(closest-side,rgba(0,0,0,.65),transparent);filter:blur(8px);transform:skewX(-20deg);animation:sh 7s ease-in-out infinite}
@keyframes sh{50%{opacity:.7;transform:skewX(-20deg) scaleX(.92)}}
@media(prefers-reduced-motion:reduce){.bk,.bk-shadow{animation:none}}
/* blog */
.blog h1{color:var(--plum);font-size:clamp(40px,5vw,60px)}
.blog .lead{margin-bottom:46px}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px}
.post{display:block;text-decoration:none;color:inherit}
.post img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center top;transition:transform .4s}
.post:hover img{transform:scale(1.03)}
.post{overflow:hidden}
.pk{display:block;margin-top:16px;font-size:13px;color:var(--rose)}
.post h2{font-size:26px;margin:6px 0 8px}
.post p{color:var(--muted);font-size:16px}
.more{display:inline-block;margin-top:10px;font-size:15px;color:var(--wine);text-decoration:underline;text-underline-offset:3px}
@media(max-width:900px){.posts{grid-template-columns:1fr 1fr}}@media(max-width:600px){.posts{grid-template-columns:1fr}}
@media(max-width:860px){.hero-book{margin:0 auto;max-width:240px}.b3d{padding:10px 20px 40px}}

/* ===== article template v2 ===== */
.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:30;background:transparent}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--rose),#9AD3D1);transform:scaleX(0);transform-origin:0 50%}
.ahero{background:radial-gradient(900px 500px at 85% 0%,#20425A,transparent 65%),var(--plum);color:var(--blush);padding:56px var(--gut) 64px}
.ahero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:64px;align-items:center}
.ahero .crumbs{color:rgba(220,232,236,.6)}.ahero .crumbs a{color:var(--blush)}.crumbs span{opacity:.4;margin:0 4px}
.acat{display:inline-block;font-size:14px;color:var(--rose);border-bottom:1px solid rgba(226,137,111,.5);padding-bottom:2px;margin:8px 0 16px}
.ahero h1{color:#fff;font-size:clamp(38px,4.8vw,64px);margin-bottom:20px}
.ahero .lead{color:var(--blush);font-size:19px}
.ameta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;font-size:14px;color:rgba(220,232,236,.65)}
.ameta span::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--rose);margin-right:9px;vertical-align:middle}
.ahero-img{position:relative;margin:0}
.ahero-img img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center top;box-shadow:0 40px 70px -30px rgba(0,0,0,.8);animation:rise .9s ease-out both}
.ahero-img::after{content:"";position:absolute;inset:14px -14px -14px 14px;border:1px solid rgba(226,137,111,.4);z-index:-1}
.ahero-img{z-index:0}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}

.awrap{display:grid;grid-template-columns:240px minmax(0,720px);gap:72px;justify-content:center;padding:64px var(--gut) 20px}
.aside-in{position:sticky;top:90px}
.atoc summary{font:600 13px "DM Sans";letter-spacing:.08em;text-transform:uppercase;color:var(--muted);cursor:pointer;list-style:none;margin-bottom:12px}
.atoc ol{list-style:none;border-left:1px solid var(--line);counter-reset:t}
.atoc li{counter-increment:t;display:block;padding:0;border:0}
.atoc a{display:block;padding:7px 0 7px 16px;margin-left:-1px;border-left:2px solid transparent;font-size:14.5px;line-height:1.35;color:var(--muted);text-decoration:none;transition:color .2s,border-color .2s}
.atoc a:hover{color:var(--plum)}.atoc a.on{color:var(--plum);border-left-color:var(--rose);font-weight:500}
.side-cta{display:grid;grid-template-columns:54px 1fr;grid-template-rows:auto auto;column-gap:14px;align-items:center;margin-top:34px;padding:16px;background:var(--plum);color:var(--blush);text-decoration:none;transition:transform .3s}
.side-cta:hover{transform:translateY(-3px)}
.side-cta .mb{grid-row:1/3}.side-cta b{color:#fff;font-family:"Cormorant Garamond",serif;font-weight:500;font-size:18px}.side-cta small{font-size:13px;opacity:.7}
.mb{display:block;perspective:400px}.mb img{width:100%;display:block;transform:rotateY(-18deg);box-shadow:6px 10px 18px -6px rgba(0,0,0,.7);border-radius:1px 3px 3px 1px;transition:transform .4s}
a:hover>.mb img,.minibook:hover img{transform:rotateY(-4deg)}

.abody{font-size:18px;line-height:1.75;counter-reset:h}
.abody>p:first-child::first-letter{font-family:"Cormorant Garamond",serif;float:left;font-size:72px;line-height:.85;padding:6px 10px 0 0;color:var(--wine)}
.abody h2{counter-increment:h;font-size:32px;margin:56px 0 14px;scroll-margin-top:90px;position:relative}
.abody h2::before{content:counter(h,decimal-leading-zero);display:block;font:italic 500 16px "Cormorant Garamond",serif;color:var(--rose);margin-bottom:6px}
.abody h2#faq::before{content:"FAQ"}
.abody h3{font-size:22px;margin:28px 0 6px}
.abody p,.abody li{margin-bottom:16px}
.abody ul,.abody ol{padding-left:22px}
.abody li::marker{color:var(--rose)}
.abody a{color:var(--wine);text-underline-offset:3px}
.abody figure{margin:36px 0}
.abody figure img{width:100%;box-shadow:0 24px 50px -30px rgba(14,23,38,.6)}
.abody figcaption{font-size:14px;color:var(--muted);margin-top:10px;padding-left:12px;border-left:2px solid var(--rose)}
.abody .note{background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--rose);padding:18px 22px;font-family:"Cormorant Garamond",serif;font-size:20px;line-height:1.5;color:var(--plum2)}
.abody table{background:var(--paper);border:1px solid var(--line)}
.abody th{background:var(--plum);color:var(--blush);font-weight:500}
.abody th,.abody td{padding:12px 14px}
.abody .faq{max-width:none}
.cta{position:relative;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(closest-side,rgba(226,137,111,.35),transparent)}
.cta .minibook{display:block;width:110px}
.cta p a{color:#fff}
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.rv.in{opacity:1;transform:none}

.related{border-top:1px solid var(--line);margin-top:40px}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 32px}
.post{display:block;text-decoration:none;color:inherit;overflow:visible}
.pimg{display:block;overflow:hidden;aspect-ratio:4/3;background:var(--blush)}
.pimg img{width:100%;height:100%;object-fit:cover;object-position:center top;transition:transform .7s cubic-bezier(.2,.7,.2,1)}
.post:hover .pimg img{transform:scale(1.06)}
.post h2,.post h3{font-size:25px;margin:6px 0 8px;transition:color .2s}
.post:hover h2,.post:hover h3{color:var(--wine)}
.pk{display:block;margin-top:16px;font-size:13px;color:var(--rose)}
.post p{color:var(--muted);font-size:16px}
.more{display:inline-block;margin-top:10px;font-size:15px;color:var(--wine)}
.more i{font-style:normal;display:inline-block;transition:transform .3s}.post:hover .more i{transform:translateX(6px)}

/* blog index */
.bhero{background:radial-gradient(900px 500px at 85% 0%,#20425A,transparent 65%),var(--plum);color:var(--blush);padding:60px var(--gut) 70px}
.bhero .crumbs{color:rgba(220,232,236,.6)}.bhero .crumbs a{color:var(--blush)}
.bhero h1{color:#fff;font-size:clamp(44px,6vw,80px);margin:8px 0 16px}
.bhero .lead{color:var(--blush)}
.blog{padding-top:64px}
.post.feat{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;margin-bottom:64px;padding-bottom:64px;border-bottom:1px solid var(--line)}
.post.feat .pimg{aspect-ratio:16/10}
.post.feat h2{font-size:clamp(32px,3.4vw,44px)}
.post.feat p{font-size:18px}

@media(max-width:1000px){.awrap{grid-template-columns:1fr;gap:20px;padding-top:36px}.aside-in{position:static}.side-cta{display:none}.atoc{background:var(--paper);border:1px solid var(--line);padding:14px 18px}.atoc summary{margin:0}.toc[open] summary{margin-bottom:10px}}
@media(max-width:860px){.ahero-in,.post.feat{grid-template-columns:1fr;gap:32px}.ahero-img::after{display:none}.posts{grid-template-columns:1fr 1fr}.abody{font-size:17px}}
@media(max-width:600px){.posts{grid-template-columns:1fr}.ahero{padding-top:36px}}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none}}
.blog .posts{grid-template-columns:1fr 1fr;gap:48px 40px}.blog .post .pimg{aspect-ratio:16/10}@media(max-width:600px){.blog .posts{grid-template-columns:1fr}}
.about-guide .ag{columns:2;column-gap:56px;max-width:1000px;font-size:17px;color:var(--plum2)}.about-guide .ag p{break-inside:avoid;margin-bottom:14px}.about-guide a{color:var(--wine)}@media(max-width:760px){.about-guide .ag{columns:1}}

/* ===== Hero book A: hardcover spotlight ===== */
.hcA{position:relative;padding:30px 20px 70px}
.hcA-glow{position:absolute;left:50%;top:44%;width:520px;height:520px;margin:-260px;background:radial-gradient(closest-side,rgba(110,200,200,.30),transparent);pointer-events:none}
.hcA-floor{position:absolute;left:8%;right:-6%;bottom:22px;height:60px;background:radial-gradient(closest-side,rgba(0,0,0,.75),transparent);filter:blur(10px)}
.hcA-scene{perspective:2000px;position:relative}
.hcA-bk{--ry:-30deg;--rx:8deg;--d:42px;position:relative;width:100%;aspect-ratio:697/993;transform-style:preserve-3d;transform:rotateY(var(--ry)) rotateX(var(--rx));animation:hcAf 8s ease-in-out infinite;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.hcA.live .hcA-bk{animation:none;transition:transform .12s ease-out}
@keyframes hcAf{0%,100%{transform:rotateY(-30deg) rotateX(8deg)}50%{transform:rotateY(-20deg) rotateX(4deg) translateY(-14px)}}
.hcA-bk>div{position:absolute}
.hcA-fr{inset:0;transform:translateZ(calc(var(--d)/2));border-radius:3px 8px 8px 3px;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.hcA-fr img{width:100%;height:100%;object-fit:cover;display:block}
.hcA-fr::before{content:"";position:absolute;inset:0 auto 0 0;width:22px;background:linear-gradient(90deg,rgba(0,0,0,.55),rgba(255,255,255,.12) 45%,rgba(0,0,0,.25) 60%,transparent);z-index:2}
.hcA-fr::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,transparent 35%,rgba(220,245,245,.22) 48%,transparent 60%);background-size:250% 100%;animation:hcAs 6s ease-in-out infinite;mix-blend-mode:screen}
@keyframes hcAs{0%,100%{background-position:100% 0}50%{background-position:0 0}}
.hcA-b{inset:0;transform:translateZ(calc(var(--d)/-2)) rotateY(180deg);background:#0A111D;border-radius:8px 3px 3px 8px}
.hcA-sp{top:0;bottom:0;left:0;width:var(--d);transform:translateX(calc(var(--d)/-2)) rotateY(-90deg);background:linear-gradient(90deg,#08101A,#21455C 35%,#2D5E73 50%,#16304A 75%,#08101A);border-radius:6px 0 0 6px}
.hcA-sp::after{content:"THE SQUIRTING GUIDE";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) rotate(90deg);white-space:nowrap;font:500 10px "DM Sans";letter-spacing:.3em;color:#9AD3D1}
.hcA-pg{top:6px;bottom:6px;right:0;width:calc(var(--d) - 8px);transform:translateX(calc((var(--d) - 8px)/2 - 3px)) rotateY(90deg);background:repeating-linear-gradient(90deg,#fbf4ec 0 1.5px,#e5d8cc 1.5px 2.5px);box-shadow:inset 0 0 14px rgba(40,70,90,.35)}
.hcA-tp{left:3px;right:6px;top:0;height:calc(var(--d) - 8px);transform:translateY(calc((var(--d) - 8px)/-2 + 3px)) rotateX(90deg);background:repeating-linear-gradient(0deg,#fbf4ec 0 1.5px,#e5d8cc 1.5px 2.5px)}
@media(max-width:860px){.hcA{padding:10px 24px 50px}.hcA-glow{width:340px;height:340px;margin:-170px}}

/* ===== Buybox C: book + phone ===== */
.buybox .card{grid-template-columns:380px 1fr;overflow:hidden}
.duoC{position:relative;height:420px;background:radial-gradient(420px 320px at 40% 30%,#20425A,transparent 70%),var(--plum);margin:-48px 0 -48px -48px;padding:20px}
.duoC-ring{position:absolute;left:50%;top:50%;width:340px;height:340px;margin:-170px;border-radius:50%;border:1px solid rgba(110,200,200,.28);animation:duoR 30s linear infinite}
.duoC-ring::after{content:"";position:absolute;top:-4px;left:50%;width:8px;height:8px;border-radius:50%;background:#9AD3D1;box-shadow:0 0 16px #9AD3D1}
@keyframes duoR{to{transform:rotate(360deg)}}
.duoC-book{position:absolute;left:34px;top:46px;width:190px;perspective:1400px}
.duoC-bk{width:190px;aspect-ratio:697/993;position:relative;transform-style:preserve-3d;transform:rotateY(28deg) rotateX(6deg);animation:duoB 7s ease-in-out infinite}
@keyframes duoB{50%{transform:rotateY(20deg) rotateX(3deg) translateY(-10px)}}
.duoC-bk>div{position:absolute}
.duoC-f{inset:0;transform:translateZ(13px);background:url(/assets/cover.jpg) center/cover;border-radius:5px 2px 2px 5px;box-shadow:inset -4px 0 8px -4px rgba(0,0,0,.6)}
.duoC-pg{top:4px;bottom:4px;left:0;width:24px;transform:translateX(-12px) rotateY(-90deg);background:repeating-linear-gradient(90deg,#fbf4ec 0 1.5px,#e5d8cc 1.5px 2.5px)}
.duoC-sp{top:0;bottom:0;right:0;width:26px;transform:translateX(13px) rotateY(90deg);background:linear-gradient(90deg,#08101A,#21455C 50%,#08101A)}
.duoC-phone{position:absolute;right:30px;bottom:36px;width:130px;height:268px;border-radius:24px;background:#111;padding:7px;box-shadow:0 30px 50px -18px rgba(0,0,0,.85),inset 0 0 0 2px #333;transform:rotate(6deg);animation:duoP 7s ease-in-out infinite reverse}
.duoC-phone::before{content:"";position:absolute;top:13px;left:50%;width:40px;height:11px;margin-left:-20px;border-radius:8px;background:#111;z-index:2}
@keyframes duoP{50%{transform:rotate(4deg) translateY(-8px)}}
.duoC-scr{width:100%;height:100%;border-radius:18px;overflow:hidden;background:#fbf4ec}
.duoC-scr div{height:200%;background:url(/assets/page-why.jpg) top/100% auto no-repeat,url(/assets/page-contents.jpg) bottom/100% auto no-repeat;animation:duoS 9s ease-in-out infinite}
@keyframes duoS{0%,35%{transform:translateY(0)}50%,85%{transform:translateY(-50%)}100%{transform:translateY(0)}}
.duoC-chip{position:absolute;left:24px;bottom:22px;background:rgba(255,255,255,.08);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.15);padding:7px 12px;font-size:12.5px;color:#fff}
@media(max-width:800px){.buybox .card{grid-template-columns:1fr}.duoC{margin:-28px -28px 0;height:380px}}
@media(prefers-reduced-motion:reduce){.hcA-bk,.duoC-ring,.duoC-bk,.duoC-phone,.duoC-scr div,.hcA-fr::after{animation:none}}
.hero-book{width:100%}
.hcA-scene{width:100%}
@media(max-width:860px){.hero-book{max-width:none}.hcA-scene{width:230px;margin:0 auto}}
.buybox .card{align-items:stretch}
.buybox .card>div:last-child{align-self:center}
.duoC{height:auto;min-height:440px}
/* hero book A: autonomous showcase motion */
.hcA-bk{animation:hcAshow 14s cubic-bezier(.45,0,.55,1) infinite}
@keyframes hcAshow{
 0%{transform:rotateY(-34deg) rotateX(8deg) rotateZ(0) translateY(0)}
 25%{transform:rotateY(-18deg) rotateX(4deg) rotateZ(-1deg) translateY(-16px)}
 50%{transform:rotateY(-6deg) rotateX(2deg) rotateZ(0) translateY(-6px)}
 75%{transform:rotateY(-22deg) rotateX(6deg) rotateZ(1deg) translateY(-18px)}
 100%{transform:rotateY(-34deg) rotateX(8deg) rotateZ(0) translateY(0)}}
.hcA-floor{animation:hcAfl 14s cubic-bezier(.45,0,.55,1) infinite}
@keyframes hcAfl{25%,75%{opacity:.6;transform:scaleX(.9)}50%{opacity:.8;transform:scaleX(.95)}}
.hcA-glow{animation:hcAgl 7s ease-in-out infinite}
@keyframes hcAgl{50%{opacity:.6;transform:scale(1.08)}}
.hcA>i{position:absolute;width:6px;height:6px;border-radius:50%;background:#9AD3D1;box-shadow:0 0 14px 3px rgba(154,211,209,.7);opacity:0;pointer-events:none}
.hcA-sp1{left:8%;top:30%;animation:hcAspk 6s ease-in-out infinite}
.hcA-sp2{right:4%;top:18%;animation:hcAspk 7s 2s ease-in-out infinite}
.hcA-sp3{right:14%;bottom:24%;width:4px!important;height:4px!important;animation:hcAspk 5s 3.5s ease-in-out infinite}
@keyframes hcAspk{0%{opacity:0;transform:translateY(10px) scale(.5)}40%{opacity:1}100%{opacity:0;transform:translateY(-50px) scale(1)}}
@media(prefers-reduced-motion:reduce){.hcA-floor,.hcA-glow,.hcA>i{animation:none}.hcA>i{display:none}}
.about-guide{padding-top:8px;padding-bottom:8px}.about-guide+#faq{padding-top:64px}.buybox{padding-bottom:64px}

/* ===== polish pass ===== */
/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:0;transition:background .2s}
.faq summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 0;transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:30px;height:30px;border:1px solid var(--line);border-radius:50%;background:linear-gradient(var(--rose),var(--rose)) center/11px 1.5px no-repeat,linear-gradient(var(--rose),var(--rose)) center/1.5px 11px no-repeat;transition:transform .3s,background-color .3s}
.faq details[open] summary::after{transform:rotate(45deg);background-color:var(--paper)}
.faq summary:hover{color:var(--wine)}
.faq details p{margin:-6px 50px 22px 0;color:var(--muted);animation:fqin .35s ease-out}
@keyframes fqin{from{opacity:0;transform:translateY(-6px)}}
/* bullets */
.plain{list-style:none;padding-left:0}
.plain li{position:relative;padding-left:26px}
.plain li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;border-radius:50%;border:1.5px solid var(--rose)}
.sec.dark .plain li::before{border-color:var(--gold,#9AD3D1)}
/* spacing split -> buy */
.split+.buybox{padding-top:16px}
.split{padding-bottom:72px}
.split img{box-shadow:0 30px 60px -30px rgba(14,23,38,.5)}
/* buttons */
.btn{position:relative;overflow:hidden}
.btn::after{content:"";position:absolute;top:0;bottom:0;left:-60%;width:40%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.18),transparent);transform:skewX(-20deg);transition:left .6s}
.btn:hover::after{left:120%}
/* legal pages */
.legal{max-width:760px}
.legal h1{font-size:clamp(40px,5vw,56px);margin-bottom:8px}
.legal-meta{font-size:14px;color:var(--muted);padding-bottom:24px;margin-bottom:30px;border-bottom:1px solid var(--line)}
.legal h2{position:relative;padding-top:8px}
.legal a{color:var(--wine)}
/* mobile footer */
@media(max-width:760px){.foot-in{grid-template-columns:1fr 1fr;gap:30px 24px}.foot-in>div:first-child{grid-column:1/-1}}

h1,h2,h3{font-weight:600}.hero h1,.ahero h1,.bhero h1{font-weight:500;letter-spacing:-.01em}

/* ===== v10: field-manual style + water ===== */
:root{--plum:#0B2530;--plum2:#123845;--wine:#16808F;--rose:#16808F;--blush:#D7ECEE;--cream:#F2EDE5;--paper:#FAF8F4;--ink:#141414;--muted:#5F6466;--line:#D9D3C9;--aqua:#7FCFD2;--her:#B23A62;--herbg:#F7E6EA;--him:#2E5577;--himbg:#E3EBF2}
body{font-family:"Newsreader",Georgia,serif;font-size:18px;background:var(--cream)}
h1,h2,h3,.logo,.now,.toc .n,.post h2,.post h3,.faq summary,.cta h3,.tag{font-family:"Archivo",sans-serif!important;font-stretch:88%;letter-spacing:-.02em}
h1,h2{font-weight:850;text-transform:uppercase;line-height:.92}
h2{font-size:clamp(32px,4.2vw,52px)}
h3{font-weight:800;text-transform:uppercase;font-size:20px;letter-spacing:-.005em}
.logo{font-weight:800;text-transform:uppercase;font-size:18px;letter-spacing:.01em}
.logo em,h1 em,h2 em{font-style:normal;color:var(--aqua)}
.btn{border-radius:0;font-family:"IBM Plex Mono",monospace;font-weight:600;text-transform:uppercase;letter-spacing:.04em;font-size:14px;background:var(--wine);border-color:var(--wine)}
.btn:hover{background:#0F5F6B}
.btn.big{font-size:15px}
.nav nav a:not(.btn),.trust,.fine,.crumbs,.pk,.more,.ameta,.facts,.cap,.foot h4,.peek-ctrl,.duoC-chip,.acat{font-family:"IBM Plex Mono",monospace!important;font-size:13px;text-transform:uppercase;letter-spacing:.03em}
.hero{background:linear-gradient(90deg,rgba(6,24,32,.94) 0%,rgba(6,24,32,.78) 48%,rgba(6,24,32,.35) 100%),url(/assets/texture.jpg) center/cover;position:relative}
.hero h1{font-size:clamp(52px,7vw,96px);font-stretch:74%}
.hero .lead{font-size:20px}
.now{font-weight:850}
.hcA-glow{background:radial-gradient(closest-side,rgba(127,207,210,.32),transparent)}
.hcA>i{background:#BFF1F2;box-shadow:0 0 14px 3px rgba(127,207,210,.8)}
.toc{border-top:2px solid var(--ink)}
.toc li{border-bottom:1px solid var(--ink)}
.toc .n{font-style:normal;font-weight:900;color:var(--wine);font-size:30px}
.toc li.h .n{color:var(--her)}.toc li.m .n{color:var(--him)}
.sec.dark{background:linear-gradient(rgba(8,30,39,.93),rgba(8,30,39,.93)),url(/assets/texture.jpg) center/cover}
.faq summary{text-transform:uppercase;font-weight:750;font-size:19px}
.faq summary::after{border-radius:0}
.plain li::before{border-radius:0;border:0;background:var(--wine);width:10px;height:2px;top:.75em}
.buybox .card,.cta,.side-cta,.pimg,.split img,.ahero-img img,.abody figure img,.post img{border-radius:0}
.duoC{background:linear-gradient(rgba(8,30,39,.85),rgba(8,30,39,.85)),url(/assets/texture.jpg) center/cover}
.foot,.ahero,.bhero{background:linear-gradient(rgba(8,30,39,.92),rgba(8,30,39,.92)),url(/assets/texture.jpg) center/cover}
.atoc a.on{border-left-color:var(--wine)}
.progress i{background:linear-gradient(90deg,var(--wine),var(--aqua))}
.abody>p:first-child::first-letter{font-family:"Archivo";font-weight:900;color:var(--wine)}
.abody h2::before{font-family:"IBM Plex Mono";font-style:normal;font-size:13px;color:var(--wine)}
.abody .note{font-family:"Newsreader";font-style:italic;border-left-color:var(--wine)}
.abody th{background:var(--ink)}
/* tracks */
.tracks{display:grid;grid-template-columns:1fr 1fr;gap:0}
.track{display:grid;grid-template-rows:340px auto}
.track .tp{position:relative;overflow:hidden}
.track .tp img{width:100%;height:100%;object-fit:cover}
.track .tp::after{content:"";position:absolute;inset:0;mix-blend-mode:soft-light;opacity:.6}
.track.her .tp::after{background:#E46E92}.track.him .tp::after{background:#3E7BB0}
.track.her .tp img{filter:sepia(.18) saturate(1.08) hue-rotate(-10deg)}.track.him .tp img{filter:saturate(.75) contrast(1.05)}
.track .tt{padding:34px 34px 40px}
.track.her .tt{background:var(--herbg);color:#5A1730}.track.him .tt{background:var(--himbg);color:#14283B}
.track .lab{font:600 12px "IBM Plex Mono",monospace;text-transform:uppercase;letter-spacing:.05em}
.track.her .lab,.track.her h3{color:var(--her)}.track.him .lab,.track.him h3{color:var(--him)}
.track h3{font-size:34px;margin:6px 0 14px}
.track ul{list-style:none;font-size:17px}
.track li{padding:8px 0;border-top:1px solid rgba(0,0,0,.15)}
@media(max-width:860px){.tracks{grid-template-columns:1fr}.track{grid-template-rows:240px auto}}
/* v-cro */

.save{font:600 12px/1 "IBM Plex Mono",ui-monospace,monospace;letter-spacing:.06em;color:#fff;background:#B23A62;padding:6px 8px;border-radius:2px;align-self:center}
.proof{list-style:none;display:flex;gap:0;margin:26px 0 0;padding:0;max-width:520px;border-top:1px solid rgba(255,255,255,.14)}
.proof li{flex:1;padding:14px 14px 0 0;font-size:13px;line-height:1.35;color:rgba(255,255,255,.62)}
.proof li+li{padding-left:14px;border-left:1px solid rgba(255,255,255,.14)}
.proof b{display:block;color:#fff;font-size:15px;font-weight:600;margin-bottom:2px}
.pay{font-size:13px;letter-spacing:.04em;color:var(--muted);margin:14px 0 -6px}
#buyForm .btn{min-width:240px;text-align:center}
.btn{-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.98)}
.mbar{display:none}
@media(max-width:760px){
 .hero .btn,#buyForm .btn{display:block;width:100%;text-align:center;padding:18px 20px;font-size:16px}
 .age{padding:10px 0;font-size:16px;gap:12px}.age input{width:24px;height:24px;flex:none}
 .proof li{font-size:12px;padding-right:8px}.proof li+li{padding-left:10px}.proof b{font-size:14px}
 .hero-book{max-width:250px;margin:10px auto 0}
 .faq summary{padding:6px 0;min-height:44px;align-items:center}
 .nav nav a{padding:8px 0}
 h2{word-wrap:break-word}
 .mbar{display:flex;align-items:center;gap:12px;position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));z-index:60;background:#0B2530;color:#fff;padding:10px 10px 10px 12px;border-radius:6px;box-shadow:0 18px 40px -12px rgba(0,0,0,.6);transform:translateY(140%);transition:transform .35s cubic-bezier(.2,.8,.2,1)}
 .mbar.on{transform:none}
 .mbar img{width:34px;height:46px;object-fit:cover;border-radius:2px;flex:none}
 .mbar div{flex:1;min-width:0;line-height:1.25}.mbar b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 .mbar span{font-size:12px;opacity:.75}.mbar s{opacity:.6}
 .mbar .btn{padding:12px 18px;font-size:14px;white-space:nowrap;width:auto}
}
@media(prefers-reduced-motion:reduce){.mbar{transition:none}}