@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;600;650;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap');
:root{--ink:#06111d;--panel:#0c1b2b;--text:#f6f8fa;--muted:#a2b2c2;--line:rgba(185,212,231,.16);--accent:#6ee7fa;--heading:'Manrope',Arial,sans-serif;--body:'DM Sans',Arial,sans-serif;color-scheme:dark;font-family:var(--body);color:var(--text);background:var(--ink);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0}button,input{font:inherit}a{color:inherit;text-decoration:none}button,a,input{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a:hover{color:var(--accent)}button,input{border-radius:0}img{display:block;max-width:100%}p,h1,h2,h3{margin-top:0}p{line-height:1.6}button{color:inherit}::selection{background:var(--accent);color:var(--ink)}.section-wrap{max-width:1440px;margin:auto;padding-left:7vw;padding-right:7vw}.site-header{position:absolute;inset:0 0 auto;z-index:2;padding:30px 7vw;display:flex;align-items:center;justify-content:space-between;gap:24px}.wordmark{font-family:var(--heading);font-size:25px;font-weight:800;letter-spacing:-1px;white-space:nowrap;display:inline-flex;align-items:baseline}.wordmark span{color:var(--accent)}.wordmark small{margin-left:8px;font-size:9px;letter-spacing:2px;font-weight:650}.site-header nav{display:flex;align-items:center;gap:32px;font-size:13px;font-weight:600}.nav-cta{border-bottom:1px solid rgba(110,231,250,.6);padding:10px 0}.nav-cta span{margin-left:16px;color:var(--accent)}.hero{position:relative;min-height:850px;height:min(950px,100svh);isolation:isolate;display:flex;align-items:center;overflow:hidden}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% center;z-index:-3}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,12,22,.52),rgba(3,12,22,.08) 58%),linear-gradient(0deg,var(--ink),transparent 17%);z-index:-2}.hero-content{padding:110px 0 86px;margin-left:7vw;width:min(570px,44vw)}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2.5px;line-height:1.5;color:var(--accent);margin-bottom:22px}.status-dot{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:100%;margin-right:8px;vertical-align:2px;box-shadow:0 0 14px rgba(110,231,250,.65)}h1{font-family:var(--heading);font-size:clamp(64px,6.3vw,98px);letter-spacing:-.06em;line-height:1.02;font-weight:800;margin-bottom:28px}.period{color:var(--accent)}.hero-promise{font-family:var(--heading);font-size:clamp(25px,2.2vw,35px);font-weight:500;line-height:1.25;letter-spacing:-.8px;margin-bottom:14px}.hero-description{max-width:370px;font-size:16px;color:#c0ccd8;line-height:1.55;margin-bottom:28px}.signup-form{max-width:570px}.signup-row{display:flex;min-height:58px;background:#fff;padding:5px}.signup-row input{border:0;background:#fff;color:#0b1b29;padding:12px 14px;min-width:0;flex:1;width:100%;font-size:14px;outline-offset:-3px}.signup-row input::placeholder{color:#687480;opacity:1}.signup-row button{border:0;background:var(--accent);color:var(--ink);font-size:13px;line-height:1.3;font-weight:700;padding:14px 18px;flex:none;transition:background .2s,transform .2s}.signup-row button:hover{background:#a6f1fc}.signup-row button:active{transform:scale(.98)}.signup-row button span{padding-left:15px}.signup-row button:disabled{opacity:.6;cursor:wait}.form-note{color:#a5b4c3;font-size:10px;line-height:1.6;margin:11px 0 0;max-width:500px}.form-note em{font-style:normal}.form-note a{text-decoration:underline;text-underline-offset:2px}.form-status{font-size:13px;line-height:1.5;margin:10px 0 0;color:var(--accent);min-height:0}.form-status:empty{display:none}.form-status.error{color:#ffbcad}.form-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.hero-bottom{position:absolute;bottom:30px;left:7vw;right:7vw;display:flex;justify-content:space-between;font-size:11px;color:#8a9bae;letter-spacing:.3px}.hero-bottom a span{color:var(--accent);margin-left:16px}.hero-content>*{animation:rise-in .7s both}.hero-content>:nth-child(2){animation-delay:.08s}.hero-content>:nth-child(3){animation-delay:.16s}.hero-content>:nth-child(4){animation-delay:.22s}.hero-content>:nth-child(5){animation-delay:.28s}.inside{padding-top:115px;padding-bottom:118px}.section-heading h2,.books-heading h2{font-family:var(--heading);font-size:clamp(30px,3.7vw,52px);line-height:1.12;letter-spacing:-1.9px;max-width:660px;margin-bottom:17px;font-weight:600}.section-heading>p:last-child{color:var(--muted);font-size:16px;margin-bottom:0}.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:48px;margin-top:65px}.feature{border-top:1px solid var(--line);padding-top:24px}.feature-number{color:var(--accent);font-size:11px;letter-spacing:1px;display:block;margin-bottom:27px}.feature h3{font-family:var(--heading);font-weight:600;font-size:20px;letter-spacing:-.5px;margin-bottom:14px}.feature p{font-size:14px;color:var(--muted);max-width:340px;margin-bottom:0}.books-section{background:#edf0f2;color:#102031;padding:106px 0 82px}.books-section .eyebrow{color:#287385}.books-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:35px}.books-heading h2{max-width:620px;margin-bottom:0}.books-heading>p{font-size:14px;color:#607080;flex:none;margin:0 0 5px}.book-filters{display:flex;flex-wrap:wrap;gap:6px 26px;border-bottom:1px solid #cbd3d9;margin:48px 0 44px;padding-bottom:0}.book-filters button{position:relative;border:0;background:none;color:#5c6c78;padding:14px 0 18px;font-size:12px;font-weight:600}.book-filters button.active{color:#0c2a3e}.book-filters button.active:after{content:'';height:2px;background:#123e53;position:absolute;bottom:-1px;left:0;right:0}.book-filters button span{font-size:10px;margin-left:5px;color:#7b8993}.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:50px 30px;align-items:start}.book{min-width:0}.book[hidden]{display:none}.book-cover-link{display:flex;height:310px;align-items:flex-end;justify-content:center;background:#e2e7ea;padding:22px 26px;margin-bottom:23px;overflow:hidden}.book-cover{height:100%;width:auto;max-width:100%;object-fit:contain;object-position:center bottom;filter:drop-shadow(6px 9px 7px rgba(15,34,49,.17));transition:transform .35s ease,filter .35s ease}.book-cover-link:hover .book-cover{transform:translateY(-5px) rotate(-1deg);filter:drop-shadow(9px 13px 10px rgba(15,34,49,.22))}.book-category{font-size:9px;letter-spacing:1.5px;text-transform:uppercase;color:#477184;line-height:1.4;margin:0 0 9px}.book h3{font-family:var(--heading);font-size:19px;line-height:1.35;letter-spacing:-.55px;font-weight:750;margin-bottom:14px}.book details{font-size:11px;color:#5e6e7c;margin-bottom:16px;line-height:1.6}.book summary{cursor:pointer;list-style:none;text-decoration:underline;text-underline-offset:3px;display:inline-block}.book summary::-webkit-details-marker{display:none}.book summary:after{content:' +';text-decoration:none}.book details[open] summary:after{content:' −'}.book details p{margin:10px 0 0}.book-links{display:flex;flex-wrap:wrap;gap:8px 15px;font-size:12px;font-weight:700}.book-links a{border-bottom:1px solid #a0b5c1;padding:5px 0}.book-links a:hover{color:#167084;border-color:#167084}.book-links a span{font-weight:400;margin-left:3px}.edition-note{font-size:10px;color:#75828c;margin:8px 0 0}.affiliate-note{font-size:10px;line-height:1.7;color:#687984;border-top:1px solid #ccd5db;padding-top:25px;margin:48px 0 0}.closing{text-align:center;padding-top:115px;padding-bottom:120px}.closing h2{font-family:var(--heading);font-size:clamp(35px,4.5vw,65px);letter-spacing:-2.8px;line-height:1.15;font-weight:600;margin-bottom:20px}.closing>p:not(.eyebrow){color:var(--muted);font-size:15px}.closing-form{margin:30px auto 0;text-align:left;max-width:530px}.closing-form .form-note{text-align:center;max-width:none}.site-footer{border-top:1px solid var(--line);padding-top:34px;padding-bottom:34px;display:flex;justify-content:space-between;gap:24px;align-items:center}.site-footer .wordmark{font-size:20px}.site-footer>p{font-size:11px;color:#91a2b4;margin:0}.site-footer>div{display:flex;gap:24px;font-size:10px;color:#8d9bab}.visually-hidden,.skip-link:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip-link:focus{position:fixed;top:12px;left:12px;padding:15px;background:var(--accent);color:var(--ink);z-index:100}.reveal{opacity:1;transform:none}.motion-ready .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}.motion-ready .reveal.visible{opacity:1;transform:none}.privacy-page{padding-top:160px;padding-bottom:100px;max-width:900px;min-height:80vh}.privacy-page h1{font-size:55px}.privacy-page h2{font-family:var(--heading);font-size:24px;margin-top:35px}.privacy-page p,.privacy-page li{font-size:16px;color:#b2c0ce;line-height:1.8}.privacy-page a{color:var(--accent);text-decoration:underline}
@keyframes rise-in{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1600px){.hero-content{margin-left:calc((100vw - 1440px)/2 + 100px)}.site-header{padding-left:calc((100vw - 1440px)/2 + 100px);padding-right:calc((100vw - 1440px)/2 + 100px)}}
@media(max-width:1100px){.site-header{padding-left:5vw;padding-right:5vw}.section-wrap{padding-left:5vw;padding-right:5vw}.hero-content{margin-left:5vw;width:50vw}.hero-image{object-position:59% center}.hero:after{background:linear-gradient(90deg,rgba(3,12,22,.78),rgba(3,12,22,.05) 75%),linear-gradient(0deg,var(--ink),transparent 20%)}.hero-bottom{left:5vw;right:5vw}.book-grid{gap:40px 22px}.book-cover-link{height:265px;padding:18px}.books-heading>p{max-width:240px}.feature-list{gap:28px}.site-footer{flex-wrap:wrap}.site-footer>div{margin-left:auto}}
@media(max-width:780px){.site-header{padding:22px 6vw}.wordmark{font-size:23px}.site-header nav{gap:20px}.site-header nav>a:first-child{display:none}.nav-cta{font-size:11px}.hero{height:auto;min-height:800px;align-items:flex-start}.hero-image{object-position:70% top;opacity:.66}.hero:after{background:linear-gradient(90deg,rgba(3,12,22,.78),rgba(3,12,22,.12)),linear-gradient(0deg,var(--ink) 3%,rgba(3,12,22,.2) 80%)}.hero-content{width:80%;max-width:520px;margin-left:6vw;padding-top:137px;padding-bottom:100px}.hero h1{font-size:clamp(64px,12vw,87px)}.hero-promise{font-size:29px}.hero-description{max-width:345px}.hero-bottom{left:6vw;right:6vw}.section-wrap{padding-left:6vw;padding-right:6vw}.inside{padding-top:70px;padding-bottom:75px}.feature-list{gap:30px;grid-template-columns:1fr;margin-top:37px}.feature{display:grid;grid-template-columns:35px 1fr;gap:0 12px;padding-top:20px}.feature-number{grid-row:1 / 3;padding-top:5px;margin:0}.feature h3{font-size:19px;margin-bottom:8px}.feature p{grid-column:2;max-width:530px}.books-section{padding-top:70px;padding-bottom:60px}.books-heading{display:block}.books-heading>p{max-width:none;margin-top:20px}.books-heading>p br{display:none}.section-heading h2,.books-heading h2{font-size:38px;letter-spacing:-1.8px}.book-filters{margin:28px 0 30px;gap:0 20px}.book-filters button{font-size:11px;padding:12px 0}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px 23px}.book-cover-link{height:320px;padding:20px}.book h3{font-size:20px}.closing{padding-top:76px;padding-bottom:80px}.closing h2{font-size:43px;letter-spacing:-2px}.site-footer{padding-top:28px;padding-bottom:28px;align-items:flex-start}.site-footer>p{display:none}.site-footer>div{flex-direction:column;gap:8px;text-align:right}.privacy-page{padding-top:125px}.privacy-page h1{font-size:42px}}
@media(max-width:480px){.site-header nav{gap:13px}.site-header nav>a:not(.nav-cta){display:none}.nav-cta span{margin-left:7px}.wordmark{font-size:22px}.wordmark small{font-size:7px;letter-spacing:1.5px;margin-left:6px}.hero{min-height:790px}.hero-content{width:88%;padding-top:135px}.hero h1{font-size:64px;letter-spacing:-3.8px;margin-bottom:25px}.hero-image{object-position:68% top}.hero-promise{font-size:27px}.hero-description{font-size:15px;max-width:310px}.hero .eyebrow{font-size:9px;letter-spacing:1.9px}.signup-row{flex-direction:column;gap:4px;background:transparent;padding:0}.signup-row input{min-height:53px;padding:16px;font-size:16px}.signup-row button{min-height:50px;font-size:14px}.signup-row button span{padding-left:30px}.form-note{font-size:9px;line-height:1.65}.hero-bottom{font-size:10px}.hero-bottom a span{margin-left:7px}.section-heading h2,.books-heading h2{font-size:32px;letter-spacing:-1.3px}.eyebrow{font-size:9px;letter-spacing:2px;margin-bottom:17px}.book-grid{gap:30px 17px}.book-cover-link{height:235px;padding:16px 11px;margin-bottom:17px}.book h3{font-size:16px;letter-spacing:-.4px;margin-bottom:11px}.book-category{font-size:8px;letter-spacing:1px}.book-links{font-size:10px;gap:7px}.book details{font-size:10px;margin-bottom:11px}.book-filters{gap:0 16px}.book-filters button{font-size:10px}.closing h2{font-size:35px;letter-spacing:-1.6px}.closing-form .signup-row{margin-top:23px}.site-footer>div{font-size:9px;gap:10px}.site-footer .wordmark{font-size:18px}}
/* The book section keeps its layout with an Amazon-inspired shopping CTA. */
.books-amazon-heading{align-items:center}
.books-amazon-heading h2{max-width:800px;flex:1;text-wrap:balance}
.amazon-shop-button{display:inline-flex;align-items:center;justify-content:center;flex:none;min-height:52px;min-width:170px;padding:14px 32px;border:1px solid #f0c400;border-radius:999px;background:#ffd814;color:#0f1111;font-size:17px;font-weight:700;line-height:1.3;box-shadow:0 2px 5px rgba(15,17,17,.12);transition:background .18s,box-shadow .18s}
.amazon-shop-button:hover{background:#f7ca00;color:#0f1111;box-shadow:0 3px 7px rgba(15,17,17,.18)}
.amazon-shop-button:active{background:#efbd00}
@media(max-width:780px){.books-amazon-heading .amazon-shop-button{margin-top:24px}}
/* Keep the existing image-led layout, with a clearer free-news signup hierarchy. */
.site-header nav{font-size:14px}
.hero{min-height:850px;height:auto}
.hero-content{width:min(720px,54vw);padding-top:120px;padding-bottom:100px}
.hero:after{background:linear-gradient(90deg,rgba(3,12,22,.85),rgba(3,12,22,.55) 42%,rgba(3,12,22,.05) 72%),linear-gradient(0deg,var(--ink),transparent 17%)}
.hero h1{font-size:clamp(46px,4.9vw,72px);line-height:1.08;letter-spacing:-.045em;max-width:650px;margin-bottom:24px;text-wrap:balance}
.hero .eyebrow{font-size:12px;letter-spacing:2px;margin-bottom:20px}
.hero-description{max-width:650px;font-size:21px;line-height:1.55;color:#d8e2ec;margin-bottom:30px}
.hero-description strong{color:#fff;font-weight:650}
.signup-row{box-shadow:0 0 0 1px rgba(255,255,255,.28),0 8px 30px rgba(0,0,0,.15)}
.signup-row input{font-size:16px}
.signup-row button{background:#6ee7fa;font-size:14px;font-weight:700;letter-spacing:.2px}
.signup-row button span{padding-left:12px}
.form-note{font-size:13px;font-weight:500;line-height:1.5;color:#d3dfeb;margin-top:13px}
.form-consent{font-size:12px;line-height:1.5;color:#aabacb;margin:5px 0 0}
.form-consent a{text-decoration:underline;text-underline-offset:3px}
.closing-form .form-consent{text-align:center}
.hero-bottom{font-size:12px;color:#afbdcc}
.section-heading h2{max-width:820px;text-wrap:balance}
.feature p{font-size:16px}
.books-heading>p{max-width:350px;font-size:16px}
.closing h2{text-wrap:balance}
.closing>p:not(.eyebrow){max-width:630px;margin-left:auto;margin-right:auto;font-size:17px}
.book-filters button{min-height:44px}
.book-links a{min-height:44px;display:inline-flex;align-items:center}
.books-section a:focus-visible,.books-section button:focus-visible,.books-section summary:focus-visible{outline-color:#17485e}
/* Larger hero signup with softly rounded corners and optional, quiet motion. */
.hero .signup-form{max-width:720px}
.hero .signup-row{min-height:84px;padding:7px;gap:5px;border-radius:12px;box-shadow:0 0 0 1px rgba(255,255,255,.38),0 12px 35px rgba(0,0,0,.2)}
.hero .signup-row input{font-size:20px;padding:18px 20px;border-radius:7px}
.hero .signup-row button{min-height:70px;padding:20px 26px;border-radius:8px;font-size:17px;position:relative;isolation:isolate;white-space:nowrap}
.hero .signup-row button span{display:inline-block;padding-left:14px}
.hero .signup-form[data-motion-active="true"][data-motion-paused="false"] .signup-row button{animation:signup-glow 3.6s ease-in-out infinite}
.hero .signup-form[data-motion-active="true"][data-motion-paused="false"] .signup-row button span{animation:signup-arrow 3.6s ease-in-out infinite}
.hero .signup-row button:hover,.hero .signup-row button:focus-visible,.hero .signup-row button:disabled{animation-play-state:paused!important}
.hero .signup-row button:hover span,.hero .signup-row button:focus-visible span,.hero .signup-row button:disabled span{animation-play-state:paused!important}
.hero .form-note{font-size:15px;max-width:none;margin:0}
.hero .form-consent{font-size:13px;margin-top:2px}
.signup-reassurance-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:0 16px;margin-top:9px;min-height:36px}
.signup-motion-toggle{border:0;background:none;padding:8px 0;color:#aabacb;font-size:12px;line-height:20px;text-decoration:underline;text-underline-offset:3px;min-height:36px}
.signup-motion-toggle:hover{color:#fff}
.signup-motion-toggle[hidden]{display:none}
@keyframes signup-glow{0%,55%,100%{box-shadow:0 0 0 0 rgba(110,231,250,0);background:#6ee7fa}25%{box-shadow:0 0 0 5px rgba(110,231,250,.18);background:#99effb}}
@keyframes signup-arrow{0%,55%,100%{transform:translateX(0)}25%{transform:translateX(5px)}}
@media(max-width:1100px){
  .hero-content{width:60vw}
  .hero h1{font-size:clamp(44px,5.2vw,58px)}
  .hero-description{font-size:20px}
  .hero .signup-row input{font-size:18px;padding:18px 15px}
  .hero .signup-row button{font-size:16px;padding:20px 18px}
  .books-heading>p{max-width:290px}
}
@media(max-width:780px){
  .site-header nav{font-size:13px}
  .hero{min-height:750px;height:auto}
  .hero-content{width:86%;max-width:540px;padding-top:124px;padding-bottom:105px}
  .hero h1{font-size:clamp(40px,7.5vw,58px)}
  .hero:after{background:linear-gradient(90deg,rgba(3,12,22,.8),rgba(3,12,22,.28)),linear-gradient(0deg,var(--ink) 3%,rgba(3,12,22,.15) 80%)}
  .hero-description{max-width:480px}
  .hero .signup-row{flex-direction:column;gap:6px;background:#fff}
  .hero .signup-row input,.hero .signup-row button{min-height:66px}
  .books-heading>p{max-width:440px}
  .closing h2{font-size:43px}
}
@media(max-width:480px){
  .site-header{padding-top:23px;gap:12px}
  .site-header .nav-cta{font-size:11px;white-space:nowrap}
  .site-header .nav-cta span{display:none}
  .hero{min-height:730px}
  .hero-content{width:88%;padding-top:108px;padding-bottom:95px}
  .hero h1{font-size:clamp(35px,10.6vw,46px);line-height:1.1;letter-spacing:-1.5px;margin-bottom:20px}
  .hero .eyebrow{font-size:11px;letter-spacing:1.7px;margin-bottom:17px}
  .hero-description{font-size:18px;line-height:1.55;margin-bottom:25px;max-width:none}
  .hero .signup-row{padding:6px;border-radius:12px}
  .hero .signup-row input,.hero .signup-row button{min-height:64px;font-size:18px;padding:17px 16px}
  .hero .signup-row button{font-size:16px}
  .hero .form-note{font-size:14px}
  .signup-row{gap:7px;box-shadow:none}
  .signup-row input,.signup-row button{min-height:54px}
  .form-note{font-size:13px}
  .form-consent{font-size:12px}
  .hero-bottom{font-size:10px;gap:16px;bottom:26px}
  .hero-bottom a{white-space:nowrap}
  .book-links{font-size:12px;gap:4px 12px}
  .book details{font-size:12px}
  .book-category{font-size:10px}
  .book-filters button{font-size:12px}
  .closing h2{font-size:36px}
  .closing>p:not(.eyebrow){font-size:16px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.motion-ready .reveal{opacity:1;transform:none}.book-cover-link:hover .book-cover{transform:none}}