@font-face{font-family:Inter;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/inter-latin-400-normal.woff2)format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/inter-latin-600-normal.woff2)format("woff2")}@font-face{font-family:Inter;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/inter-latin-700-normal.woff2)format("woff2")}@font-face{font-family:Outfit;font-style:normal;font-weight:400;font-display:swap;src:url(/fonts/outfit-latin-400-normal.woff2)format("woff2")}@font-face{font-family:Outfit;font-style:normal;font-weight:600;font-display:swap;src:url(/fonts/outfit-latin-600-normal.woff2)format("woff2")}@font-face{font-family:Outfit;font-style:normal;font-weight:700;font-display:swap;src:url(/fonts/outfit-latin-700-normal.woff2)format("woff2")}:root{--bg-dark:#fcfaf8;--bg-card:#ffffffb8;--bg-card-hover:#ffffffe0;--primary:#3a3dee;--primary-glow:#3a3dee1f;--primary-hover:#1f22c1;--accent:#03a554;--accent-glow:#03a55426;--accent-hover:#04be61;--text-primary:#10192d;--text-secondary:#4c5667;--text-muted:#5e6878;--border-glass:#e2e8f0cc;--border-glass-hover:#6e72fc40;--space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-6:1.5rem;--space-8:2rem;--space-12:3rem;--space-16:4rem;--radius-card:1.25rem;--shadow-card:0 8px 28px #111f360a;--font-heading:"Outfit", sans-serif;--font-body:"Inter", sans-serif}h1,h2,h3,.brand{font-family:var(--font-heading)}
:root{--ink:var(--text-primary);--muted:var(--text-secondary);--line:var(--border-glass);--green:var(--primary);--paper:var(--bg-dark);font-family:var(--font-body);color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0}header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:1rem;max-width:1100px;margin:auto;padding:1.6rem 1.5rem;display:flex}a{color:var(--green);text-underline-offset:4px}.brand{color:var(--ink);font-size:1.3rem;font-weight:800;text-decoration:none}.brand span{color:var(--green);font-weight:400}.badge,.tag{background:#e0ebe8;border-radius:5px;padding:.35rem .65rem;font-size:.75rem;display:inline-block}.tag{margin-left:.6rem}.tag.correct{background:#d9efe3}.skip{background:#fff;padding:1rem;position:absolute;top:-50px}.skip:focus{top:0}main{max-width:1100px;min-height:80vh;margin:auto;padding:2rem 1.5rem 4rem}footer{max-width:1100px;color:var(--muted);border-top:1px solid var(--line);margin:auto;padding:1.5rem;font-size:.8rem}h1{letter-spacing:-.035em;margin:0 0 1.2rem;font-size:clamp(2rem,4vw,3.2rem);line-height:1.12}h2{margin:.2rem 0 1rem;font-size:1.35rem;line-height:1.5}h3{font-size:1rem}p{color:var(--muted);line-height:1.65}.eyebrow{letter-spacing:.16em;color:var(--green);font-size:.7rem;font-weight:800}.hero{max-width:700px;padding:1rem 0}.notice{background:#f9efd8;border:1px solid #ecdcae;border-radius:8px;margin:1rem 0 2rem;padding:1rem 1.2rem;font-size:.9rem;line-height:1.5}.columns{grid-template-columns:1.25fr 1fr;gap:1.5rem;display:grid}.card{border:1px solid var(--line);background:#fff;border-radius:12px;padding:1.8rem;box-shadow:0 3px 15px #16344206}form{gap:1.2rem;display:grid}label{gap:.5rem;font-size:.9rem;font-weight:600;display:grid}select,input[type=number]{width:100%;font:inherit;color:var(--ink);background:#fff;border:1px solid #9cacb2;border-radius:6px;padding:.85rem}input[type=radio],input[type=checkbox]{accent-color:var(--green);flex-shrink:0;width:18px;height:18px}fieldset{border:0;margin:0;padding:0}legend{margin-bottom:.6rem;font-size:.9rem;font-weight:600}.segmented{gap:1rem;display:flex}.segmented label,.check{align-items:center;gap:.6rem;display:flex}.hint{margin:.7rem 0 0;font-size:.8rem}.two{grid-template-columns:1fr 1fr;gap:1rem;display:grid}button,.button{font:inherit;border:1px solid var(--green);background:var(--green);color:#fff;cursor:pointer;border-radius:6px;justify-content:center;align-items:center;min-height:46px;padding:.95rem 1.3rem;font-size:.9rem;font-weight:700;text-decoration:none;display:inline-flex}button:disabled{opacity:.5;cursor:not-allowed}.secondary{color:var(--green);background:#fff}.text-button{color:var(--muted);background:0 0;border:none;padding-left:0;font-weight:400;text-decoration:underline}.error{color:#922e20;background:#fff0ed;border-radius:6px;padding:1rem}.sessions{padding:0;list-style:none}.sessions li{border-bottom:1px solid var(--line);padding:1rem 0}.sessions a{gap:.4rem;text-decoration:none;display:grid}.sessions span{color:var(--muted);font-size:.8rem}hr{border:0;border-top:1px solid var(--line);margin:2rem 0}.session-heading{justify-content:space-between;align-items:center;gap:1rem;display:flex}.session-heading h1{font-size:2rem}.timer{font-variant-numeric:tabular-nums;border:1px solid var(--line);background:#fff;border-radius:6px;padding:.6rem 1rem}progress{width:100%;height:6px;accent-color:var(--green);margin-bottom:1.5rem}.question h2{margin-bottom:1.8rem;font-size:1.25rem}.option{border:1px solid var(--line);cursor:pointer;border-radius:8px;align-items:flex-start;gap:.8rem;margin:.6rem 0;padding:1rem;font-weight:400;line-height:1.5;display:flex}.option.selected{border-color:var(--green);background:#eff8f4}.letter{font-weight:700}.rationale{background:#eef6f1;border-radius:8px;margin:1.5rem 0;padding:1.6rem}.rationale h2{font-size:1.2rem}.rationale p{color:var(--ink);font-size:.95rem}.controls{flex-wrap:wrap;justify-content:space-between;gap:1rem;margin:1.5rem 0;display:flex}.results{align-items:center;gap:3rem;display:flex}.score{color:var(--green);font-size:4rem;font-weight:800}.score span{color:var(--muted);font-size:.85rem;font-weight:400;display:block}dl{flex:1;grid-template-columns:repeat(3,1fr);gap:1.5rem;display:grid}dt{color:var(--muted);font-size:.8rem}dd{margin:.4rem 0;font-size:1.5rem;font-weight:700}.review-item{margin:1.5rem 0}.review-choices{padding:0;list-style:none}.review-choices li{border-bottom:1px solid var(--line);padding:.8rem 0;line-height:1.6}:focus-visible{outline-offset:3px;outline:3px solid #da9d1b}@media (max-width:700px){main{padding:1.5rem 1rem 3rem}header{padding:1rem}.badge{font-size:.65rem}.columns{grid-template-columns:1fr}.card{padding:1.2rem}.two{grid-template-columns:1fr}.results{display:block}.score{font-size:3rem}dl{grid-template-columns:repeat(2,1fr)}.session-heading{align-items:flex-start}.session-heading h1{font-size:1.5rem}.controls .button{width:100%}}.auth-card{max-width:38rem;margin:2rem auto}.auth-card>button{margin-top:1rem}.auth-card h1{font-size:clamp(1.8rem,6vw,2.7rem)}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;margin:1rem 0}th,td{text-align:left;border-bottom:1px solid var(--line);padding:.8rem}th{font-weight:600}details.card{margin-top:1.5rem}summary{cursor:pointer;font-weight:600}.site-header{flex-wrap:wrap;max-width:1200px;padding-block:1.15rem}.site-header .brand{align-items:center;gap:.65rem;display:flex}.brand .brand-mark{background:var(--ink);color:#fff;border-radius:12px;place-items:center;width:38px;height:38px;font-size:1.15rem;font-weight:800;display:grid;box-shadow:0 4px 10px #1027431a}.brand .brand-name{color:var(--ink);letter-spacing:-.045em;font-weight:800}.brand .brand-dot{color:#b75929;font-weight:800}.brand .brand-label{color:var(--muted);text-transform:uppercase;letter-spacing:.12em;border-left:1px solid var(--line);padding-left:.6rem;font-size:.62rem;font-weight:700}.site-header nav{flex-wrap:wrap;align-items:center;gap:.35rem;display:flex}.site-header nav a,.site-header nav button{color:var(--muted);border-radius:999px;padding:.7rem .9rem;font-size:.85rem;font-weight:600;text-decoration:none}.site-header nav button{border:0}.site-header nav a:hover,.site-header nav button:hover{color:var(--ink);background:#edf2f7}.site-header nav .nav-sign-in{background:var(--ink);color:#fff;padding-inline:1.25rem}.site-header nav .nav-sign-in:hover{background:var(--green);color:#fff}main,.site-footer{max-width:1200px}.site-footer{flex-wrap:wrap;justify-content:space-between;gap:1rem;display:flex}.site-footer strong{color:var(--ink);font-size:1rem}.site-footer p{margin:.5rem 0}.skip:focus{z-index:100}.learner-hero{color:#fff;background:radial-gradient(at 100% 0,#1d416d,#0000 65%),#0c2343;border-radius:26px;grid-template-columns:1.3fr 1fr;align-items:center;gap:3rem;margin-bottom:2rem;padding:3.8rem 3rem;display:grid}.learner-hero .eyebrow{color:#f6ad78;font-size:.65rem}.learner-hero h1{font-family:var(--font-heading);letter-spacing:-.05em;margin:1.4rem 0;font-size:clamp(2.7rem,4.7vw,4.1rem);line-height:1.08}.learner-hero h1 em{color:#f6b68a;font-weight:inherit}.learner-hero-copy>p:not(.eyebrow){color:#c5d2e2;max-width:31rem;font-size:1rem;line-height:1.8}.hero-actions{flex-wrap:wrap;align-items:center;gap:1.3rem;margin-top:1.8rem;display:flex}.hero-primary{color:#35200f;background:#f6a46b;border-color:#f6a46b;border-radius:999px;gap:1.5rem}.hero-primary:hover{background:#ffbd8e}.hero-secondary{color:#fff;padding-block:.75rem;font-size:.85rem;font-weight:600;text-decoration:none}.hero-secondary:hover{text-decoration:underline}.hero-benefits{color:#c5d2e2;flex-wrap:wrap;gap:.8rem 1.25rem;margin:2rem 0 0;padding:0;font-size:.73rem;list-style:none;display:flex}.hero-benefits li:before{content:"✓";color:#9eddbb;margin-right:.45rem}.learning-path{color:var(--ink);background:#fffdf8;border:1px solid #e7edf5;border-radius:22px;padding:1.6rem;box-shadow:0 18px 45px #061a3338}.path-heading{justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1rem;display:flex}.learning-path .eyebrow{color:#93441d;letter-spacing:.13em}.path-symbol{color:#c2612d;font-size:1.5rem}.learning-path ol{margin:0;padding:0;list-style:none}.learning-path li{border-top:1px solid var(--line);align-items:flex-start;gap:1rem;padding:1rem 0;display:flex}.path-number{color:#194b80;background:#e8eef7;border-radius:50%;flex-shrink:0;place-items:center;width:34px;height:34px;font-size:.72rem;font-weight:700;display:grid}.learning-path h2{margin:.2rem 0 .3rem;font-size:1rem}.learning-path li p{margin:0;font-size:.8rem;line-height:1.6}.learning-path .path-note{color:#285542;text-align:center;background:#e5f2eb;border-radius:10px;margin:.5rem 0 0;padding:.75rem;font-size:.76rem;font-weight:600}.workspace-intro{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:.5rem 1.5rem;margin:2.5rem 0 1.5rem;display:flex}.workspace-intro .eyebrow,.card-kicker .eyebrow,.recent-card>.eyebrow{color:#93441d;font-size:.65rem}.workspace-intro h2{font-family:var(--font-heading);letter-spacing:-.04em;margin:0;font-size:clamp(1.8rem,3vw,2.3rem)}.workspace-intro>p{margin-bottom:.5rem;font-size:.85rem}.learner-workspace{grid-template-columns:1.35fr 1fr;align-items:start}.learner-workspace .card{border-radius:20px;box-shadow:0 12px 36px -24px #173a6033}.card-kicker{justify-content:space-between;align-items:center;display:flex}#create-test{scroll-margin-top:1rem}.recent-empty{background:#f2f5f9;border:1px dashed #c8d4e1;border-radius:14px;margin-top:1.4rem;padding:1.6rem}.recent-empty>span{color:var(--green);font-size:1.5rem}.recent-empty p{margin-bottom:0;font-size:.85rem}@media (max-width:900px){.learner-hero{grid-template-columns:1fr;gap:2rem;padding:2.4rem 1.8rem}.learner-hero h1{font-size:clamp(2.7rem,7vw,3.8rem)}.learning-path{max-width:34rem}}@media (max-width:700px){.site-header{gap:.8rem;padding:1rem}.site-header nav{justify-content:space-between;gap:.1rem;width:100%}.site-header nav a,.site-header nav button{padding:.7rem;font-size:.78rem}.site-header nav .nav-sign-in{padding-inline:1rem}.learner-hero{border-radius:18px;padding:2rem 1.2rem}.learner-hero h1{font-size:clamp(2.4rem,9.4vw,3rem)}.learning-path{padding:1.25rem}.hero-actions{flex-direction:column;align-items:flex-start;gap:.4rem}.learner-workspace{grid-template-columns:1fr}}.release-card{max-width:1080px;margin:0 auto}.release-manifest{border-top:1px solid var(--line);margin-top:1.4rem;padding-top:1.2rem}.release-facts{grid-template-columns:max-content 1fr;gap:.4rem 1rem;display:grid}.release-facts dt{font-size:.85rem;font-weight:600}.release-facts dd{font-family:var(--font-body);overflow-wrap:anywhere;margin:0;font-size:1rem;font-weight:400}.release-categories{columns:2;padding-left:1.2rem}.release-action{gap:.8rem;margin-top:1rem;display:grid}.release-action .checkbox{align-items:flex-start;gap:.6rem;line-height:1.5;display:flex}.release-card code{overflow-wrap:anywhere;font-size:.8rem}@media (max-width:640px){.release-categories{columns:1}}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.site-nav .nav-status{color:var(--muted);padding:.7rem .9rem;font-size:.85rem}.page-intro{max-width:52rem;margin:1rem 0 2rem}.page-intro h1{margin-top:.3rem}.landing-section>h2{margin-bottom:1rem}.columns.three{grid-template-columns:repeat(3,1fr)}.section-link{margin-top:1rem}.notice{background:var(--primary-glow);border-radius:8px;padding:.8rem 1rem}.plans{grid-template-columns:repeat(3,1fr);align-items:stretch;gap:1.2rem;display:grid}.plan{flex-direction:column;gap:.4rem;display:flex;position:relative}.plan h3{margin:0;font-size:1.3rem}.plan.recommended{border:2px solid var(--primary);box-shadow:0 10px 30px var(--primary-glow)}.plan-flag{background:var(--primary);color:#fff;border-radius:999px;align-self:flex-start;padding:.25rem .6rem;font-size:.75rem;font-weight:700}.plan .buy,.plan>.button{margin-top:auto}.price{color:var(--muted);margin:.3rem 0}.price strong{font-family:var(--font-heading);color:var(--ink);font-size:1.8rem}.included{margin:.4rem 0 1rem;padding-left:1.1rem}.included li{margin:.3rem 0}.book-grid{grid-template-columns:repeat(2,1fr);gap:1.2rem;display:grid}.book{grid-template-columns:9rem 1fr;align-items:start;gap:1.2rem;display:grid}.book img,.book-detail img{border-radius:6px;width:100%;height:auto;box-shadow:0 6px 18px #16344222}.book h3{margin:.2rem 0}.langs{grid-template-columns:auto 1fr;gap:.2rem .8rem;margin:.6rem 0;font-size:.9rem;display:grid}.langs dt{color:var(--ink);font-size:.9rem;font-weight:600}.langs dd{margin:0;font-size:.9rem;font-weight:400}.langs .price{margin:0}.langs .price strong{font-size:1.1rem}.actions{flex-wrap:wrap;align-items:center;gap:.6rem;display:flex}.book-detail{grid-template-columns:18rem 1fr;align-items:start;gap:2rem;display:grid}.samples{grid-template-columns:repeat(2,1fr);gap:1.2rem;display:grid}.samples img{border:1px solid var(--line);border-radius:6px;width:100%;height:auto}.samples figcaption{color:var(--muted);font-size:.8rem}.set{margin-top:1.5rem}.offer-table{border-collapse:collapse;width:100%}.offer-table td .buy,.offer-table td .button{white-space:nowrap}.offer-table th,.offer-table td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:.7rem}.offer-table ul{margin:0;padding-left:1rem}.offer-table .price strong{font-size:1.1rem}.owned{padding:0;list-style:none}.owned li{border-bottom:1px solid var(--line);padding:.8rem 0}.auth-card>section.card{margin:1.2rem 0;padding:1.2rem}.prose{line-height:1.6}.disclaimer{color:var(--muted);font-size:.8rem}.site-footer{grid-template-columns:2fr 1fr 1fr;gap:1.5rem;display:grid}.footer-links{margin:.5rem 0 0;padding:0;list-style:none}.footer-links li{margin:.35rem 0}.mobile-cta{display:none}@media (max-width:900px){.plans,.columns.three,.book-grid,.book-detail{grid-template-columns:1fr}.book-detail img{max-width:16rem}}@media (max-width:700px){.site-header nav{flex-wrap:nowrap;width:100%;overflow-x:auto}.site-header nav a,.site-header nav button{white-space:nowrap;padding:.55rem .7rem}.site-footer{grid-template-columns:1fr}.book{grid-template-columns:6.5rem 1fr}.samples{grid-template-columns:1fr}.table-scroll{max-width:100%}.offer-table thead{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.offer-table,.offer-table tbody,.offer-table tr,.offer-table th,.offer-table td{width:100%;display:block}.offer-table tr{border-bottom:1px solid var(--line);padding:.6rem 0}.offer-table th,.offer-table td{border:0;padding:.25rem 0}body:has(.mobile-cta){padding-bottom:5rem}.mobile-cta{padding:.7rem 1rem calc(.7rem + env(safe-area-inset-bottom));border-top:1px solid var(--line);z-index:20;background:#fff;gap:.6rem;display:flex;position:fixed;inset:auto 0 0;box-shadow:0 -4px 16px #16344214}.mobile-cta .button{text-align:center;flex:1;padding:.8rem}}.account-card{max-width:56rem}.currency-switch{color:var(--muted);align-items:center;gap:.4rem;margin:0 0 1rem;font-size:.85rem;display:flex}.currency-switch button{font:inherit;border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;border-radius:999px;padding:.4rem .75rem;font-weight:600}.currency-switch button.active{background:var(--primary);border-color:var(--primary);color:#fff}.trademark{font-size:.72rem;line-height:1.45}.translated-buy{gap:.35rem;max-width:22rem;margin-top:.75rem;display:grid}.translated-buy label{font-weight:600}.content-notice{border-left:4px solid var(--accent,#3b3bf0);background:color-mix(in srgb, var(--accent,#3b3bf0) 6%, transparent);max-width:72rem;margin:1.25rem auto;padding:.75rem 1rem;font-size:.85rem;line-height:1.5}.content-notice p{margin:.35rem 0 0}.content-notice.compact{margin:.75rem 0}.confidence{border:1px solid var(--line,#d7dbe5);border-radius:12px;max-width:72rem;margin:1.5rem auto;padding:1rem 1.25rem}.confidence h2{margin-top:0;font-size:1.1rem}.confidence ul{gap:.6rem;margin:0;padding-left:1.1rem;display:grid}.facts{margin:.75rem 0;padding-left:1.1rem;line-height:1.6}.report-form{gap:1rem;max-width:36rem;margin:1.5rem 0;display:grid}.report-form label{gap:.35rem;font-weight:600;display:grid}.report-form input,.report-form select,.report-form textarea{font:inherit;border:1px solid var(--line,#c9ced6);background:var(--surface,#fff);color:inherit;border-radius:.5rem;padding:.6rem .7rem}.regular-price{color:var(--muted,#5b6472);margin-right:.25rem}.savings{margin:.25rem 0 .5rem;font-weight:600}body{-webkit-font-smoothing:antialiased}main{padding:var(--space-8) var(--space-6) var(--space-16)}h1{text-wrap:balance}h2{letter-spacing:-.025em;font-size:clamp(1.5rem,2.5vw,2rem);line-height:1.2}h3{font-size:1.15rem;line-height:1.35}p,li{overflow-wrap:break-word}.eyebrow{letter-spacing:.13em;font-size:.7rem;font-weight:700}:focus-visible{outline:3px solid var(--primary);outline-offset:4px}.skip{z-index:100;border-radius:0 0 .75rem .75rem}.card{border-radius:var(--radius-card);box-shadow:var(--shadow-card)}.button,button{border-radius:.7rem;min-height:48px;transition:background-color .16s,border-color .16s}.button:hover:not(:disabled),button:hover:not(:disabled){background:var(--primary-hover);border-color:var(--primary-hover);color:#fff}.button.secondary{color:var(--ink);background:#fff;border-color:#cbd1e1}.button.secondary:hover{border-color:var(--primary);color:var(--primary);background:#eef0ff}button:disabled{opacity:1;color:#545e70;cursor:not-allowed;background:#eef0f5;border-color:#dce1e9}input:not([type=radio]):not([type=checkbox]),select,textarea{border-radius:.7rem;min-height:48px}.site-header{border-bottom-color:#e7e8ed;padding-block:1.3rem}.site-header .brand-mark{background:var(--primary);border-radius:.8rem}.brand .brand-dot{color:var(--primary)}.site-header nav a,.site-header nav button{align-items:center;min-height:44px;display:inline-flex}.site-header nav .nav-sign-in{border-radius:.7rem}.page-intro{margin:var(--space-6) 0 var(--space-8);max-width:54rem}.page-intro>p:not(.eyebrow){max-width:48rem;font-size:1rem}.page-intro h1{font-size:clamp(2.25rem,4vw,3.5rem)}.page-intro.prose{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;max-width:50rem;padding:clamp(1.25rem,3vw,2.75rem)}.prose h2{margin-top:2rem;font-size:1.45rem}.prose li{margin-block:.5rem;line-height:1.75}.landing-hero{color:var(--ink);background:0 0;border-radius:0;grid-template-columns:1.08fr 1fr;gap:2.5rem;padding:2rem 0 3.5rem}.landing-hero .eyebrow{color:var(--primary);font-size:.7rem}.landing-hero h1{color:var(--ink);letter-spacing:-.045em;margin:1.1rem 0 1.5rem;font-size:clamp(2.75rem,4.3vw,3.8rem);line-height:1.08}.landing-hero h1 em{color:var(--primary);font-style:normal}.landing-hero .learner-hero-copy>p:not(.eyebrow){color:var(--muted);font-size:1.02rem;line-height:1.75}.landing-hero .hero-primary{background:var(--primary);border-color:var(--primary);color:#fff}.landing-hero .hero-primary:hover{background:var(--primary-hover)}.landing-hero .hero-actions{gap:.65rem;margin-top:1.5rem}.landing-hero .hero-benefits{color:var(--muted);margin-top:1.2rem;padding:0;font-size:.8rem;list-style:none}.landing-hero .hero-benefits li{align-items:baseline;gap:.6rem;margin-block:.4rem;display:flex}.landing-hero .hero-benefits li:before{content:"✓";color:var(--primary);font-weight:700}.hero-library{background:#edf0fa;border:1px solid #dce2f2;border-radius:1.75rem;min-width:0;padding:1.4rem}.hero-library-heading{justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1.25rem;display:flex}.hero-library-heading .eyebrow{letter-spacing:.09em;margin:0;font-size:.61rem}.edition-chip{color:#465272;white-space:nowrap;background:#fff;border:1px solid #d7dfee;border-radius:999px;padding:.4rem .6rem;font-size:.65rem}.hero-covers{grid-template-columns:repeat(4,minmax(0,1fr));align-items:end;gap:.7rem;padding:1rem 0 .75rem;display:grid}.hero-cover{min-width:0;color:var(--muted);text-align:center;text-decoration:none}.hero-cover img{border-radius:3px;width:100%;height:auto;display:block;box-shadow:0 8px 15px #19223f29}.hero-cover:nth-child(2),.hero-cover:nth-child(4){margin-bottom:.75rem}.hero-cover span{min-height:44px;padding:.75rem 0;font-size:.72rem;font-weight:600;display:block}.hero-cover:hover span{color:var(--primary);text-decoration:underline}.library-facts{border-top:1px solid #d3dcee;border-bottom:1px solid #d3dcee;grid-template-columns:repeat(3,minmax(0,1fr));gap:.5rem;padding:1.15rem 0;display:grid}.library-facts span{color:#485575;font-size:.67rem}.library-facts strong{font-family:var(--font-heading);color:var(--ink);margin-bottom:.2rem;font-size:1.65rem;font-weight:600;line-height:1.2;display:block}.library-link{justify-content:space-between;align-items:center;min-height:44px;margin-top:.6rem;font-size:.8rem;font-weight:600;text-decoration:none;display:flex}.library-link:hover{text-decoration:underline}.landing-section{margin:var(--space-16) 0}.landing-section>.eyebrow{margin-bottom:.65rem}.landing-section>p:not(.eyebrow){max-width:48rem}.learning-benefits{margin-top:1.6rem}.learning-benefits .card{background:#fff;padding:1.75rem}.learning-benefits h3{margin:1.2rem 0 .6rem;font-size:1.45rem}.learning-benefits p{margin:0;font-size:.9rem}.step-number{width:42px;height:42px;font-family:var(--font-heading);color:var(--primary);background:#eef0ff;border-radius:.75rem;place-items:center;font-size:1rem;font-weight:600;display:inline-grid}.plans{gap:1rem;padding-top:.5rem}.plan{border:1px solid #dfe3ed;gap:.5rem;padding:1.65rem}.plan-kicker{color:var(--primary);letter-spacing:.1em;text-transform:uppercase;margin:0 0 .25rem;font-size:.68rem;font-weight:700}.plan h3{letter-spacing:-.025em;font-size:1.55rem}.plan.recommended{border:2px solid var(--primary);box-shadow:0 8px 24px var(--primary-glow);background:#f6f7ff}.plan-flag{padding:.4rem .7rem;position:absolute;top:-.85rem;right:1.25rem}.plan .price{margin:.6rem 0 .2rem}.price strong{letter-spacing:-.045em;font-size:2.4rem;font-weight:600}.plan .hint{margin:.3rem 0;font-size:.76rem;line-height:1.6}.plan .included{border-top:1px solid #dde2ef;flex:1;margin:1rem 0;padding:1rem 0 0;list-style:none}.plan .included li{margin:0 0 .65rem;padding-left:1.25rem;font-size:.82rem;line-height:1.65;position:relative}.plan .included li:before{content:"✓";color:var(--primary);font-weight:700;position:absolute;left:0}.plan .savings{color:#303b75;background:#e9edff;border-radius:.6rem;padding:.65rem .8rem;font-size:.75rem;font-weight:600;line-height:1.6}.plan>.button,.plan .buy>.button{width:100%;margin-top:0}.checkout-note{color:var(--muted);margin:0;font-size:.73rem}.content-notice{background:#f0f5f3;border:1px solid #dce4e2;border-left:3px solid #347868;border-radius:.8rem;padding:.85rem 1rem;font-size:.77rem;line-height:1.65}.content-notice strong{color:#285a50;font-size:.8rem}.content-notice p{color:#485954;line-height:1.65}body>.content-notice{max-width:1152px;margin:1rem auto 2rem}.confidence{border-radius:var(--radius-card);background:#f3f3f8;border-color:#e0e2eb;margin:2rem 0;padding:1.6rem}.confidence h2{margin-bottom:1rem;font-size:1.25rem}.confidence ul{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 2rem;padding:0;list-style:none}.confidence li{font-size:.83rem;line-height:1.75}.confidence strong{color:var(--ink)}.book-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1rem}.book{flex-direction:column;gap:1rem;min-width:0;padding:1.1rem;display:flex}.book>img{border-radius:3px;align-self:center;width:100%;max-width:205px;margin:.25rem 0;box-shadow:0 8px 16px #111f361f}.book>div{flex-direction:column;flex:1;width:100%;display:flex}.book .eyebrow{letter-spacing:.06em;margin:.25rem 0 .5rem;font-size:.6rem}.book h3{min-height:3.1em;font-size:1.17rem;line-height:1.3}.book .hint{font-size:.73rem;line-height:1.5}.book .langs{border-top:1px solid var(--line);justify-content:space-between;align-items:center;margin-top:1rem;padding-block:.7rem;display:flex}.book .langs dt{font-size:.75rem}.book .langs .price strong{font-size:1.25rem}.book .actions{grid-template-columns:1fr;gap:.5rem;margin-top:auto;display:grid}.book .button{width:100%;font-size:.8rem}.book-detail{border:1px solid var(--line);background:#fff;border-radius:1.5rem;grid-template-columns:19rem minmax(0,1fr);gap:3rem;padding:2rem}.book-detail>img{border-radius:3px}.book-detail h1{font-size:clamp(2rem,3.5vw,2.85rem)}.book-detail .price{margin-block:1rem 0}.book-detail .facts{background:#f4f5fa;border-radius:.8rem;padding:1rem 1rem 1rem 2rem;font-size:.85rem}.book-detail h2{margin-top:1.5rem;font-size:1.35rem}.book-detail ol,.book-detail li{font-size:.9rem;line-height:1.8}.samples figure{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;margin:0;padding:1rem}.samples img{border-radius:.3rem;display:block}.samples figcaption{margin-top:.8rem;font-size:.78rem;line-height:1.6}.set{background:#eef0ff;border-color:#d5daf5;padding:2rem}.offer-table{border:1px solid var(--line);background:#fff;border-radius:.8rem}.offer-table th,.offer-table td{padding:1rem;font-size:.84rem}.offer-table thead th{letter-spacing:.07em;text-transform:uppercase;background:#eef0f5;font-size:.7rem}.offer-table td li{line-height:1.7}.site-footer{grid-template-columns:2fr 1fr 1fr;gap:3rem;padding-top:2rem;padding-bottom:3rem}.site-footer>div{max-width:34rem}.site-footer strong{font-family:var(--font-heading);font-size:1.2rem}.site-footer .footer-links{gap:0;display:grid}.site-footer .footer-links li{margin:0}.site-footer a{min-height:44px;color:var(--muted);align-items:center;font-size:.82rem;text-decoration:none;display:inline-flex}.site-footer a:hover{color:var(--primary);text-decoration:underline}.site-footer .trademark{margin-top:1rem;line-height:1.65}.auth-card{box-shadow:var(--shadow-card);border-radius:1.4rem}.auth-card h1{line-height:1.15}.auth-card form input{background:#fff}@media (max-width:1000px){.landing-hero{grid-template-columns:1fr 1fr;gap:1.5rem}.landing-hero h1{font-size:2.8rem}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:900px){.plans{grid-template-columns:1fr;gap:1.75rem}.columns.three{grid-template-columns:repeat(3,minmax(0,1fr));gap:.8rem}.learning-benefits .card{padding:1.1rem}.book-detail{grid-template-columns:15rem minmax(0,1fr);gap:1.5rem;padding:1.5rem}}@media (max-width:700px){main{padding:1.5rem 1.1rem 2.5rem}.site-header{gap:.65rem;padding:1rem 1.1rem .65rem}.site-header .brand{font-size:1.2rem}.site-header nav{flex-wrap:wrap;gap:.1rem;width:100%;display:flex;overflow:visible}.site-header nav a,.site-header nav button{padding:.5rem .65rem;font-size:.76rem}.site-nav .nav-status{padding:.6rem;font-size:.68rem}.landing-hero{grid-template-columns:1fr;gap:1.75rem;padding:1rem 0 1.5rem}.landing-hero h1{margin-block:1rem;font-size:clamp(2.3rem,9.5vw,3rem)}.landing-hero .learner-hero-copy>p:not(.eyebrow){font-size:.93rem}.landing-hero .hero-actions{flex-direction:row;gap:.5rem}.landing-hero .hero-actions .button{flex:140px;padding:.75rem .8rem;font-size:.82rem}.hero-library{border-radius:1.25rem;padding:1rem}.hero-covers{gap:.5rem}.library-facts strong{font-size:1.5rem}.landing-section{margin-block:2.75rem}.columns.three{grid-template-columns:1fr;gap:.85rem}.learning-benefits .card{padding:1.4rem}.learning-benefits h3{margin-top:.8rem}.confidence{padding:1.25rem}.confidence ul{grid-template-columns:1fr;gap:1rem}.content-notice{padding:.8rem;font-size:.76rem}body>.content-notice{margin:1rem 1.1rem 1.75rem}.book-grid{gap:.8rem}.book{padding:.8rem}.book h3{min-height:5.2em;font-size:1rem}.book .eyebrow{font-size:.54rem}.book .langs{flex-wrap:wrap;gap:.4rem}.book .button{padding:.7rem .45rem;font-size:.75rem}.book-detail{grid-template-columns:1fr;padding:1.25rem}.book-detail>img{justify-self:center;max-width:14rem}.book-detail h1{font-size:2rem}.book-detail .facts{font-size:.8rem}.samples{grid-template-columns:1fr}.offer-table{background:0 0;border:0}.offer-table tr{border:1px solid var(--line);background:#fff;border-radius:1rem;margin-bottom:1rem;padding:1.25rem}.offer-table th,.offer-table td{padding:.35rem 0}.site-footer{grid-template-columns:1fr;gap:1.75rem;padding-inline:1.1rem}.site-footer>div{max-width:none}.site-footer .footer-links{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:1rem}.page-intro.prose{padding:1.2rem}.mobile-cta{padding-inline:1.1rem}.mobile-cta .button{min-height:48px;font-size:.8rem}body:has(.mobile-cta){padding-bottom:calc(5.5rem + env(safe-area-inset-bottom))}}@media (max-width:350px){.book-grid{grid-template-columns:1fr}.book h3{min-height:auto}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.bundle-contents summary{cursor:pointer;min-height:44px;padding-block:.5rem;font-weight:600;display:list-item}.bundle-contents summary::marker{color:var(--primary)}.bundle-contents ul{padding:.5rem 0 0;list-style:none}.bundle-contents li{line-height:1.6;font-size:.75rem!important}.bundle-contents li:before{content:"·"!important}.site-header nav .nav-main-site{color:var(--primary);background:var(--primary-glow);border:1px solid var(--border-glass-hover)}.site-header nav .nav-main-site:hover{background:var(--primary-glow);color:var(--primary-hover)}