:root{--navy:#06182d;--navy2:#0a2c4d;--blue:#168cff;--cyan:#35c9ff;--green:#46d791;--text:#102033;--muted:#607083;--line:#dce7f1;--bg:#f5f8fc;--white:#fff;--shadow:0 18px 50px rgba(7,30,54,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1160px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:40;background:rgba(5,22,40,.95);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}.nav-wrap{height:70px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;letter-spacing:-.02em}.brand-mark{width:29px;height:29px;border:1.5px solid var(--cyan);border-radius:7px;display:grid;place-items:center;color:var(--cyan)}.site-nav{display:flex;gap:26px;align-items:center;color:#d4e0ea;font-size:14px}.site-nav a:hover,.site-nav a[aria-current=page]{color:#fff}.nav-cta{padding:10px 15px;background:var(--blue);border-radius:7px;color:#fff!important;font-weight:700}.menu-btn{display:none}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 65% 40%,#0b365c 0,#06182d 43%,#04111f 100%);color:#fff;padding:95px 0 78px}.hero:after{content:"";position:absolute;left:0;right:0;bottom:0;height:150px;background-image:radial-gradient(circle,#168cff 1px,transparent 1px);background-size:13px 13px;opacity:.2;mask-image:linear-gradient(transparent,#000)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:center}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--cyan)}h1{font-size:64px;line-height:1.02;letter-spacing:-.05em;margin:13px 0 22px}.hero h1 span{color:#fff}.lead{font-size:20px;color:#c7d7e5;max-width:660px}.cta-row{display:flex;gap:12px;margin:30px 0 18px}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid transparent;border-radius:8px;padding:13px 18px;font-weight:750;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-secondary{border-color:#6b88a1;color:#fff;background:transparent}.btn-light{background:#fff;color:var(--navy)}.microcopy{font-size:13px;color:#91a8bc}.score-card{background:rgba(7,31,54,.93);border:1px solid #245276;border-radius:15px;padding:28px;box-shadow:0 25px 70px rgba(0,0,0,.24)}.score-card strong{display:block;font-size:50px;line-height:1}.score-card strong small{font-size:18px;color:#8fa8bc}.status{color:var(--green);font-size:13px;font-weight:800}.progress{height:5px;background:#173955;border-radius:10px;margin:23px 0}.progress span{display:block;height:100%;width:85%;background:linear-gradient(90deg,var(--cyan),var(--blue));border-radius:10px}.score-list{list-style:none;padding:0;margin:0 0 22px}.score-list li{display:flex;justify-content:space-between;padding:8px 0;font-size:13px}.section{padding:92px 0}.section.alt{background:var(--bg)}.section-head{max-width:760px;margin:0 auto 44px;text-align:center}.section-head.left{text-align:left;margin-left:0}.section h2,.page-hero h1{font-size:43px;letter-spacing:-.04em;line-height:1.08;margin:8px 0 14px}.section-head p,.muted{color:var(--muted)}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;box-shadow:0 8px 25px rgba(26,57,89,.04)}.card h3{margin:10px 0 8px}.card p{color:var(--muted);font-size:14px}.icon-box{width:44px;height:44px;border-radius:11px;background:#eaf5ff;color:var(--blue);display:grid;place-items:center;font-weight:850}.loop{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.loop .card{min-height:200px;position:relative}.step{width:31px;height:31px;border-radius:50%;display:grid;place-items:center;background:#eaf5ff;color:var(--blue);font-weight:800}.tool-card .meta{display:flex;justify-content:space-between;gap:15px}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eaf5ff;color:#0b72cf;font-size:12px;font-weight:750}.tool-score{font-size:22px;font-weight:850;color:var(--blue)}.clean-list{padding-left:18px;color:var(--muted);font-size:14px}.clean-list li{margin:8px 0}.link-arrow{color:var(--blue);font-weight:750}.page-hero{background:linear-gradient(140deg,#06182d,#0a3154);color:#fff;padding:72px 0}.page-hero p{color:#bfd0df;max-width:760px}.breadcrumbs{font-size:13px;color:#8eb0ca;margin-bottom:16px}.content{max-width:820px}.content h2{margin-top:42px;font-size:30px;letter-spacing:-.03em}.content h3{margin-top:28px}.content p,.content li{color:#46586b}.callout{border-left:4px solid var(--blue);background:#eff7ff;padding:18px 20px;border-radius:0 10px 10px 0;margin:24px 0}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px}.data-table{width:100%;border-collapse:collapse;min-width:760px}.data-table th,.data-table td{padding:15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.data-table th{background:#f6f9fc;font-size:13px}.filter-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:24px}.filter-row input,.filter-row select,.field{border:1px solid #cddae6;border-radius:8px;padding:12px;background:#fff}.filter-row input{min-width:260px}.fast-app{display:grid;grid-template-columns:1fr .75fr;gap:32px}.question{border-bottom:1px solid var(--line);padding:20px 0}.question label{font-weight:750}.question p{margin:4px 0 14px;color:var(--muted);font-size:14px}.range-line{display:grid;grid-template-columns:1fr 42px;gap:12px;align-items:center}.range-line output{font-size:22px;color:var(--blue);font-weight:850}.sticky-result{position:sticky;top:100px;height:max-content}.result-big{font-size:70px;font-weight:850;color:var(--blue);line-height:1}.score-breakdown{list-style:none;padding:0}.score-breakdown li{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--line)}.download-card{display:flex;flex-direction:column}.download-card .btn{margin-top:auto}.newsletter-box{background:linear-gradient(135deg,#06182d,#0a3154);color:#fff;border-radius:18px;padding:38px;display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}.newsletter-box input{width:100%;padding:14px;border-radius:8px;border:1px solid #4a6e8c;background:#0b2945;color:#fff}.newsletter-box form{display:grid;grid-template-columns:1fr auto;gap:10px}.success{color:var(--green);font-size:13px;grid-column:1/-1}.footer{background:#04111f;color:#95aabe;padding:50px 0 30px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:40px}.footer h4{color:#fff}.footer a{display:block;margin:8px 0;font-size:14px}.footer-bottom{border-top:1px solid #173149;margin-top:35px;padding-top:22px;font-size:13px}.book-cover{aspect-ratio:2/3;width:260px;background:linear-gradient(160deg,#07182a,#0a355c);color:#fff;border-radius:5px;padding:28px;box-shadow:var(--shadow);display:flex;flex-direction:column}.book-cover strong{font-size:38px;line-height:1.05;margin-top:65px}.book-cover small{margin-top:auto;color:#aec3d4}.book-layout{display:grid;grid-template-columns:300px 1fr;gap:70px;align-items:start}.comparison-select{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;margin-bottom:24px}.comparison-grid{display:grid;grid-template-columns:180px 1fr 1fr;border:1px solid var(--line);border-radius:12px;overflow:hidden}.comparison-grid>div{padding:14px;border-bottom:1px solid var(--line)}.comparison-grid>div:nth-child(3n+1){font-weight:750;background:#f6f9fc}.comparison-grid .head{font-weight:850;background:#eaf5ff}.notice{font-size:13px;color:#7b5b00;background:#fff9df;border:1px solid #f0dfa1;padding:12px;border-radius:8px}.print-only{display:none}@media(max-width:920px){.site-nav{display:none;position:absolute;top:70px;left:20px;right:20px;background:#0a2946;padding:18px;border-radius:10px;flex-direction:column;align-items:stretch}.site-nav.open{display:flex}.menu-btn{display:block;background:none;border:1px solid #456783;color:#fff;border-radius:7px;padding:8px 11px}.hero-grid,.fast-app,.newsletter-box,.book-layout{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:1fr}.loop{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.sticky-result{position:static}.comparison-select{grid-template-columns:1fr}.comparison-grid{grid-template-columns:130px 1fr 1fr}.hero h1{font-size:52px}}@media(max-width:560px){.container{width:min(100% - 28px,1160px)}.hero{padding-top:65px}.hero h1{font-size:43px}.section{padding:68px 0}.section h2,.page-hero h1{font-size:35px}.grid-4,.grid-2,.loop,.footer-grid{grid-template-columns:1fr}.cta-row{flex-direction:column}.newsletter-box form{grid-template-columns:1fr}.book-cover{width:220px}.comparison-grid{font-size:12px;grid-template-columns:95px 1fr 1fr}.comparison-grid>div{padding:9px}}@media print{.site-header,.footer,.no-print{display:none!important}.page-hero{background:#fff;color:#000;padding:20px 0}.section{padding:20px 0}.print-only{display:block}.container{width:100%}}
.book-cover-image-wrap{width:100%;max-width:300px;margin:0 auto}.book-cover-image{display:block;width:100%;height:auto;border-radius:8px;box-shadow:0 22px 55px rgba(7,30,54,.22);border:1px solid rgba(7,30,54,.12)}.buy-panel{margin:28px 0;padding:24px;border:1px solid var(--line);border-radius:14px;background:#f7faff}.buy-panel h3{margin:0 0 6px}.buy-panel p{margin:0 0 16px}.buy-links{display:flex;flex-wrap:wrap;gap:12px}.retailer-link{min-width:210px}.retailer-link-secondary{background:#fff;color:var(--navy);border-color:#b9c9d8}.retailer-link-dark{background:#111;color:#fff}.retailer-link:hover{transform:translateY(-1px)}@media(max-width:560px){.buy-links{flex-direction:column}.retailer-link{width:100%}}

/* Book landing page */
.book-page{background:#031124;color:#fff}.book-site-header{background:rgba(2,13,29,.96)}.book-site-header .site-nav a[aria-current=page]{color:#2e8cff;position:relative}.book-site-header .site-nav a[aria-current=page]:after{content:"";position:absolute;left:0;right:0;bottom:-25px;height:3px;background:#2e8cff}.book-hero{position:relative;overflow:hidden;min-height:590px;padding:48px 0 88px;background:radial-gradient(circle at 55% 38%,#0b315c 0,#061a38 34%,#020d1d 76%)}.book-hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle,rgba(42,137,255,.85) 1px,transparent 1.2px);background-size:18px 18px;opacity:.08;mask-image:linear-gradient(to bottom,transparent 0,#000 45%,transparent 100%)}.book-wave{position:absolute;left:-6%;right:-6%;height:160px;border-radius:50%;border-top:2px solid rgba(26,124,255,.6);bottom:-34px;transform:rotate(-2deg);box-shadow:0 -20px 80px rgba(0,105,255,.18)}.book-wave-two{bottom:-77px;transform:rotate(2deg);opacity:.55}.book-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:430px 1fr;gap:64px;align-items:center}.book-product-visual{display:flex;justify-content:center;perspective:1200px}.book-product-visual img{display:block;width:min(365px,100%);height:auto;border-radius:4px;box-shadow:-16px 18px 0 rgba(0,0,0,.22),0 32px 80px rgba(0,0,0,.52);transform:rotateY(2deg)}.book-kicker{display:inline-block;padding:7px 13px;border-radius:8px;background:#062b5d;color:#2c8cff;font-weight:800;font-size:13px;letter-spacing:.02em}.book-hero-copy h1{font-size:54px;line-height:1.08;margin:18px 0 16px}.book-hero-copy h1 span{color:#2e7cff}.book-subtitle{font-size:22px;line-height:1.45;font-weight:750;max-width:720px;margin:0 0 18px}.book-intro{font-size:17px;line-height:1.6;color:#c7d3e4;max-width:720px}.book-benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}.book-benefits>div{display:flex;gap:10px;align-items:flex-start;color:#fff;font-size:13px;line-height:1.35}.benefit-icon{flex:0 0 38px;width:38px;height:38px;border:2px solid #3f91ff;border-radius:50%;display:grid;place-items:center;color:#64a7ff;font-size:22px;font-weight:800}.book-purchase-section{position:relative;z-index:5;margin-top:-52px;padding:0 0 76px}.book-purchase-card{display:grid;grid-template-columns:minmax(0,3fr) minmax(280px,1.15fr);background:#07172e;border:1px solid #38516f;border-radius:16px;overflow:hidden;box-shadow:0 24px 70px rgba(0,0,0,.28)}.purchase-main{padding:25px 28px 20px}.purchase-heading h2,.book-about h2{font-size:24px;margin:0 0 2px}.purchase-heading p{margin:0 0 16px;color:#b5c5d9}.retailer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.retailer-card{border:1px solid #405674;border-radius:9px;padding:15px 12px 12px;text-align:center;background:rgba(4,17,38,.55);display:flex;flex-direction:column;min-height:170px}.retailer-logo{font-size:19px;font-weight:800;min-height:34px;display:flex;justify-content:center;align-items:center;gap:7px}.amazon-logo{position:relative}.amazon-logo span{position:absolute;width:50px;height:9px;border-bottom:3px solid #f5a623;border-radius:50%;left:50%;transform:translateX(-50%);bottom:2px}.amazon-logo em{font-style:normal;color:#f0a622;font-weight:500;margin-left:-6px}.apple-logo span{display:inline-grid;place-items:center;width:27px;height:27px;background:#ff8c18;border-radius:6px;color:#fff}.google-logo span{display:inline-grid;place-items:center;width:27px;height:27px;background:#fff;border-radius:6px;color:#1a73e8;font-size:14px}.google-button{background:#fff;color:#202124;border:1px solid #dadce0}.google-button:hover{background:#f1f3f4}.retailer-card p{font-size:13px;margin:2px 0 7px;color:#d9e3f0}.retailer-url{font-size:11px;color:#2b91ff;overflow-wrap:anywhere;margin-bottom:12px}.purchase-button{display:flex;align-items:center;justify-content:center;margin-top:auto;min-height:39px;border-radius:6px;font-size:13px;font-weight:800}.amazon-button{background:#ffbd1f;color:#0e1420}.amazon-button:hover{background:#ffc940}.apple-button{background:#000;color:#fff;border:1px solid #2d3542}.book-checklist{border-left:1px solid #304963;padding:32px 28px;display:flex;align-items:center}.book-checklist ul{list-style:none;margin:0;padding:0}.book-checklist li{position:relative;padding:8px 0 8px 31px;color:#edf4ff;font-size:14px}.book-checklist li:before{content:"✓";position:absolute;left:0;color:#2b8dff;font-size:22px;top:2px}.book-about{grid-column:1/-1;display:grid;grid-template-columns:2.2fr .72fr .82fr .72fr 2.1fr;gap:12px;align-items:stretch;border-top:1px solid #304963;padding:20px 28px}.book-about-copy p{color:#c0cede;font-size:13px;margin:8px 0}.book-fact{border:1px solid #354d6a;border-radius:9px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:14px 10px}.book-fact span{font-size:29px;color:#378eff}.book-fact small{color:#aabbd0}.book-fact strong{font-size:18px;margin-top:5px}.book-quote{margin:0;border:1px solid #25466d;background:#0a294d;border-radius:9px;padding:28px 30px;font-size:15px;line-height:1.6;color:#edf5ff;display:flex;flex-direction:column;justify-content:center}.book-quote:before{content:"“";font-size:48px;line-height:.7;color:#3a8eff;font-weight:900}.book-quote cite{display:block;text-align:right;margin-top:8px;font-style:normal;color:#c0d2e5}.book-footer{border-top:1px solid #162d49}
@media(max-width:1080px){.book-hero-grid{grid-template-columns:340px 1fr;gap:42px}.book-hero-copy h1{font-size:46px}.book-benefits{grid-template-columns:repeat(2,1fr)}.book-about{grid-template-columns:1.7fr repeat(3,.8fr)}.book-quote{grid-column:1/-1}.retailer-grid{grid-template-columns:1fr}.retailer-card{min-height:150px}}
@media(max-width:820px){.book-site-header .site-nav a[aria-current=page]:after{display:none}.book-hero{padding-top:36px}.book-hero-grid{grid-template-columns:1fr;text-align:center}.book-product-visual img{width:min(300px,82vw)}.book-hero-copy h1{font-size:44px}.book-intro,.book-subtitle{margin-left:auto;margin-right:auto}.book-benefits{max-width:620px;margin-left:auto;margin-right:auto;text-align:left}.book-purchase-section{margin-top:-30px}.book-purchase-card{grid-template-columns:1fr}.book-checklist{border-left:0;border-top:1px solid #304963}.book-about{grid-template-columns:repeat(3,1fr)}.book-about-copy,.book-quote{grid-column:1/-1}}
@media(max-width:560px){.book-hero-copy h1{font-size:36px}.book-subtitle{font-size:19px}.book-intro{font-size:15px}.book-benefits{grid-template-columns:1fr}.purchase-main,.book-checklist,.book-about{padding:20px}.book-about{grid-template-columns:1fr}.book-about-copy,.book-quote{grid-column:auto}.retailer-url{font-size:10px}.book-purchase-card{border-radius:12px}}