:root{--paper:#eaf6ff;--white:#fff;--ink:#172b49;--muted:#52657e;--line:#cfe1ef;--primary:#3268ff;--blue:#dcecff;--yellow:#ffdd67;--mint:#d9f7ec;--coral:#ffe4df;--display:'Arial Rounded MT Bold','Trebuchet MS',sans-serif;--body:'Avenir Next','Segoe UI',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,summary,label{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--display);line-height:1.12}h1{font-size:clamp(3rem,5.4vw,5.1rem);letter-spacing:-.055em}h2{font-size:clamp(2.1rem,3.9vw,3.5rem);letter-spacing:-.045em}h3{font-size:1.3rem;letter-spacing:-.025em}p{color:var(--muted)}strong{color:var(--ink)}:focus-visible{outline:3px solid #172b49;outline-offset:5px}.wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.header{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-block:25px}.brand{display:inline-flex;align-items:center;gap:8px;flex-shrink:0}.brand img{object-fit:contain}.brand span{font-family:var(--display);font-weight:900;font-size:2.5rem;letter-spacing:-.06em;line-height:1}.header nav{display:flex;gap:32px;font-size:.94rem;font-weight:600}.header nav a:hover,.text-link:hover{color:var(--primary)}.button{display:inline-flex;align-items:center;justify-content:center;gap:25px;min-height:56px;padding:14px 25px;border:0;border-radius:15px;background:var(--primary);color:var(--white);font-weight:700;line-height:1.4;box-shadow:0 4px 0 #1f4fd4;transition:transform .18s,background .18s}.button:hover{background:#2459eb;transform:translateY(-2px)}.button:active{transform:translateY(2px);box-shadow:0 2px 0 #1f4fd4}.button-small{min-height:44px;padding:11px 19px;font-size:.9rem;box-shadow:none}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center;padding-block:65px 95px}.eyebrow{color:#36588b;font-size:.76rem;letter-spacing:.13em;font-weight:800;margin-bottom:24px}.hero h1 span{color:var(--primary)}.lead{max-width:470px;font-size:1.16rem;line-height:1.7;margin-top:26px}.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:32px}.text-link{font-weight:700;font-size:.94rem}.hero-note{font-size:.86rem;margin-top:22px}.hero-art{position:relative;min-width:0;padding:0 6px 10px}.mascot{display:block;width:100%;border-radius:42%;mix-blend-mode:multiply}.hello-card{position:absolute;top:6%;left:-2%;background:var(--white);border:1px solid var(--line);border-radius:22px;padding:17px 25px;box-shadow:0 10px 30px #172b4910;transform:rotate(-7deg);display:flex;flex-direction:column;line-height:1.4}.hello-card strong{font-family:var(--display);font-size:2.5rem;color:var(--primary);letter-spacing:-.04em}.hello-card>span:last-child{font-size:1rem;color:var(--muted)}.little-label{font-size:.65rem;letter-spacing:.09em;font-weight:800}.step-note{position:absolute;bottom:0;right:0;display:flex;align-items:center;gap:10px;background:var(--white);padding:11px 18px;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 24px #172b4908;font-size:.9rem;font-weight:700;transform:rotate(3deg)}.step-note>span{background:var(--mint);color:#0e6848;border-radius:50%;width:27px;height:27px;display:grid;place-items:center}.intro-band{background:var(--white);border-block:1px solid var(--line)}.band-inner{display:flex;justify-content:space-between;gap:25px;padding-block:25px;font-size:.96rem}.band-inner>span{color:var(--muted)}.band-inner b{font-weight:400;color:#8092ab;padding-inline:10px}.section{padding-block:90px}.section-heading>p:last-child{margin-top:18px;font-size:1.1rem}.features{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:42px}.feature-symbol{display:inline-flex;align-items:center;justify-content:center;min-width:61px;height:61px;border-radius:18px;font-size:1.55rem;font-weight:800;font-family:var(--display);padding-inline:12px;margin-bottom:23px}.blue{background:var(--blue)}.yellow{background:var(--yellow)}.mint{background:var(--mint)}.coral{background:var(--coral)}.feature h3{margin-bottom:14px}.feature p{font-size:.97rem;line-height:1.8}.sample-section{background:#dcecff;padding-block:76px}.sample-layout{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.sample-copy>p:not(.eyebrow){margin-top:23px;font-size:1.1rem}.remember{margin-top:25px;display:inline-block;background:var(--yellow);padding:10px 16px;border-radius:10px;font-size:.96rem}.lesson-card{background:var(--white);border-radius:28px;padding:28px;box-shadow:0 8px 0 #b9d1ee}.lesson-top{display:flex;justify-content:space-between;align-items:center;font-size:.84rem;font-weight:700;color:var(--muted)}.level-tag{background:var(--blue);color:#264dae;border-radius:8px;padding:3px 9px}.formula{font-family:var(--display);font-weight:800;font-size:3rem;text-align:center;margin-top:25px;line-height:1.5;letter-spacing:-.03em}.formula>span{color:var(--primary);background:var(--blue);padding:3px 10px;border-radius:12px}.translation{text-align:center;margin-top:7px}.examples{margin-block:24px;background:#effbf6;border-radius:14px;padding:15px 19px}.examples p{display:flex;flex-direction:column;gap:0;font-size:.94rem}.examples p+p{margin-top:10px}.examples strong{color:#0e6848}fieldset{border:0;padding:0;margin:0;min-width:0}legend{font-size:.92rem;font-weight:700;margin-bottom:14px}.answer-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.answer-options label{display:flex;align-items:center;gap:9px;border:1px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;font-weight:600}.answer-options label:has(input:checked){background:var(--blue);border-color:var(--primary)}input{width:17px;height:17px;accent-color:var(--primary);flex-shrink:0}.check-button{margin-top:17px;width:100%;font-size:.92rem;min-height:48px}.feedback{font-size:.92rem;margin-top:16px;line-height:1.6}.feedback:empty{display:none}.feedback.success{color:#0e6848}.feedback.retry{color:#a33221}.course-heading{display:flex;justify-content:space-between;align-items:center;gap:40px}.heading-level{display:inline-block;vertical-align:middle;background:var(--yellow);padding:8px 12px;border-radius:12px;font-size:1.1rem;letter-spacing:0}.course-heading h2+p{margin-top:20px;font-size:1.1rem}.course-flow{border-left:3px solid var(--primary);padding-left:22px;font-size:.8rem;color:var(--muted)}.course-flow>span{display:block;color:var(--ink);font-size:1rem;font-weight:600;margin-top:8px;line-height:1.9}.units{display:grid;grid-template-columns:1fr 1fr;align-items:start;gap:12px 20px;margin-top:37px}.unit{background:var(--white);border:1px solid var(--line);border-radius:17px;overflow:hidden}.unit summary{display:flex;align-items:center;gap:16px;padding:17px;list-style:none}.unit summary::-webkit-details-marker,.faq-list summary::-webkit-details-marker{display:none}.unit-number{display:grid;place-items:center;width:45px;height:45px;border-radius:12px;font-weight:800;flex-shrink:0}.unit summary>span:nth-child(2){display:flex;flex-direction:column;min-width:0}.unit strong{font-size:1rem;line-height:1.4}.unit small{color:var(--muted);font-size:.84rem}.expand{margin-left:auto;font-size:1.5rem;color:var(--muted);flex-shrink:0;transition:transform .2s}.unit[open] .expand{transform:rotate(45deg)}.unit>p{padding:0 22px 20px 78px;font-size:.94rem}.course-note{margin-top:25px;font-size:.9rem}.app-section{background:var(--primary);color:var(--white);border-radius:30px;padding:50px;display:grid;grid-template-columns:1.5fr 1fr;gap:50px;align-items:center}.app-section h2{font-size:clamp(2rem,3.4vw,3rem)}.app-section .eyebrow{color:#fff;opacity:.85}.app-section h2+p{color:#fff;margin-top:23px}.release-status{background:var(--white);color:var(--ink);border-radius:22px;padding:25px}.release-status img{display:block;margin-bottom:12px}.release-status h3{font-size:1.4rem}.release-status p{margin-top:8px;color:var(--ink);font-weight:600}.release-status>span{display:block;color:var(--muted);font-size:.85rem;line-height:1.6;margin-top:12px}.faq-layout{display:grid;grid-template-columns:1fr 1.6fr;gap:80px}.faq-list details{border-bottom:1px solid var(--line);padding-block:19px}.faq-list details:first-child{padding-top:0}.faq-list summary{list-style:none;display:flex;justify-content:space-between;gap:20px;font-weight:700;line-height:1.5}.faq-list summary::after{content:'+';font-size:1.4rem;font-weight:400;line-height:1;flex-shrink:0}.faq-list details[open] summary::after{content:'−'}.faq-list details p{font-size:.96rem;padding-top:17px}.footer{border-top:1px solid var(--line);padding-block:25px 32px;display:flex;gap:25px;align-items:center}.footer .brand span{font-size:2rem}.footer p{font-size:.9rem}.footer>span{margin-left:auto;font-size:.85rem;color:var(--muted)}.skip-link{position:fixed;top:10px;left:10px;background:var(--white);padding:12px;z-index:10;transform:translateY(-150%)}.skip-link:focus{transform:none}
@media(min-width:1400px){.hero{padding-block:80px 110px}}
@media(max-width:1000px){.hero{gap:20px}.hero-actions{gap:20px}.features{grid-template-columns:repeat(2,1fr);gap:35px}.sample-layout{gap:40px}.band-inner{flex-direction:column;gap:7px}.app-section{gap:30px;padding:35px}.faq-layout{gap:40px}.hero-art{padding-top:35px}.hello-card{top:0}.step-note{font-size:.78rem}}
@media(max-width:700px){.wrap{width:calc(100% - 36px)}.header{padding-block:20px;gap:15px;flex-wrap:wrap}.brand span{font-size:2.2rem}.header nav{order:3;width:100%;justify-content:center;gap:32px;border-top:1px solid var(--line);padding-top:16px;font-size:.9rem}.header .button-small{font-size:.85rem;padding-inline:15px}.hero{grid-template-columns:1fr;padding-block:35px 50px;gap:30px}.hero h1{font-size:clamp(2.8rem,9.8vw,4.4rem)}.eyebrow{font-size:.7rem;letter-spacing:.09em;margin-bottom:19px}.hero-copy{max-width:540px}.lead{font-size:1.05rem;max-width:490px}.hero-actions{gap:22px;margin-top:26px}.hero-note{font-size:.82rem}.hero-art{width:min(420px,92%);margin-inline:auto;padding-top:0}.hello-card{left:0;top:6%;padding:12px 19px}.hello-card strong{font-size:2rem}.step-note{right:0;font-size:.82rem}.band-inner{padding-block:20px;font-size:.88rem}.band-inner>span{font-size:.8rem}.band-inner b{padding-inline:4px}.section{padding-block:57px}.features{gap:28px 22px;margin-top:30px}.feature h3{font-size:1.16rem}.feature p{font-size:.94rem}.feature-symbol{margin-bottom:18px}.sample-section{padding-block:48px}.sample-layout{grid-template-columns:1fr;gap:32px}.sample-copy>p:not(.eyebrow){font-size:1rem;margin-top:18px}.lesson-card{padding:23px;border-radius:23px}.course-heading{flex-direction:column;align-items:flex-start;gap:24px}.course-flow{font-size:.8rem}.units{grid-template-columns:1fr;margin-top:27px}.unit>p{padding-left:22px}.app-section{grid-template-columns:1fr;padding:30px 23px;border-radius:23px;gap:25px}.desktop-break{display:none}.release-status{padding:23px}.faq-layout{grid-template-columns:1fr;gap:30px}.footer{flex-wrap:wrap;gap:14px}.footer>span{width:100%;margin-left:0}.footer p{margin-left:auto;font-size:.8rem}}
@media(max-width:380px){.features{grid-template-columns:1fr}.hero-actions{flex-direction:column;align-items:stretch}.text-link{text-align:center}.answer-options{grid-template-columns:1fr}.band-inner>span{line-height:1.9}.hero h1{font-size:2.65rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* New product content uses the original Sofi visual language. */
.contexts{display:flex;flex-wrap:wrap;gap:24px;font-weight:700;color:var(--ink)}
.general-section,.habit-section{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.general-section{padding-bottom:0}.general-copy p+p{margin-top:18px}.general-copy p,.habit-content>p{font-size:1.1rem;line-height:1.8}
.muted-heading{color:var(--primary)}.practice-features{display:grid;grid-template-columns:1fr 1fr;gap:45px;margin-top:40px;padding-top:35px;border-top:1px solid var(--line)}
.audience-section{padding-block:70px;background:var(--blue)}.audience-layout{display:grid;grid-template-columns:1fr 1fr;gap:80px}.audience-heading>p:not(.eyebrow){margin-top:24px;font-size:1.1rem;max-width:420px}
.audience-list{display:grid;gap:15px}.audience-list article{background:var(--white);border-radius:18px;padding:24px}.audience-list article:nth-child(2){background:var(--yellow)}.audience-list article:nth-child(3){background:var(--mint)}.audience-list article:nth-child(4){background:var(--coral)}.audience-list h3{margin-bottom:10px}.audience-list p{font-size:.97rem}
.habit-points{display:grid;gap:24px;margin-top:26px}.habit-points h3{margin-bottom:10px}.habit-points p{font-size:1rem}.faq-intro{margin-top:22px;max-width:300px}.app-section{margin-top:80px}
@media(max-width:1000px){.general-section,.habit-section,.audience-layout{gap:40px}}
@media(max-width:700px){.general-section,.habit-section,.audience-layout{grid-template-columns:1fr;gap:28px}.general-copy p,.habit-content>p{font-size:1rem}.practice-features{grid-template-columns:1fr;gap:30px}.audience-section{padding-block:48px}.audience-heading>p:not(.eyebrow){font-size:1rem}.contexts{gap:12px 22px;font-size:.9rem}.app-section{margin-top:50px}}

/* Concrete benefits and one consistent feature grid. */
.benefits-section{background:var(--white);border-block:1px solid var(--line);padding-block:60px}.benefits-section h2{font-size:clamp(2rem,3.5vw,3rem)}.benefits-section .section-heading>p:last-child{max-width:630px;font-size:1rem}.benefits-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:32px}.benefits-grid article{border-left:3px solid var(--primary);padding-left:17px}.benefits-grid h3{font-size:1.18rem;margin-bottom:10px}.benefits-grid p{font-size:.95rem;line-height:1.7}.product-features{grid-template-columns:repeat(3,1fr);gap:36px 45px}.product-features .feature-symbol{margin-bottom:17px}
@media(max-width:1000px){.benefits-grid,.product-features{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.benefits-section{padding-block:44px}.benefits-grid{gap:26px 18px}.benefits-grid article{padding-left:12px}.benefits-grid h3{font-size:1.05rem}.product-features{gap:28px 22px}}
@media(max-width:380px){.benefits-grid,.product-features{grid-template-columns:1fr}}

/* Keep navigation visible while leaving anchor headings below it. */
.site-header{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line)}
html{scroll-padding-top:120px}
@media(max-width:700px){html{scroll-padding-top:180px}}

/* Store links remain unavailable until real release URLs are provided. */
.store-buttons{display:flex;flex-wrap:wrap;gap:12px}.store-button{display:inline-flex;align-items:center;gap:11px;min-height:59px;padding:12px 17px;border:0;border-radius:14px;background:var(--ink);color:var(--white);text-align:left;font-family:var(--body);line-height:1.2}.store-button:disabled{opacity:1;cursor:not-allowed;-webkit-text-fill-color:var(--white)}.store-button img{filter:brightness(0) invert(1);width:27px;height:27px;flex-shrink:0}.store-button>span{display:flex;flex-direction:column;gap:4px}.store-button small{font-size:.7rem;font-weight:400;white-space:nowrap}.store-button strong{font-size:1.05rem;color:var(--white);font-weight:700;white-space:nowrap}.download-icon{flex-shrink:0}.release-status .store-buttons{margin-top:20px}.release-status .store-button img{margin:0;width:27px;height:27px}.footer .store-buttons{margin-left:auto}.footer>span{margin-left:0}
@media(max-width:1000px){.footer{flex-wrap:wrap}.footer .store-buttons{margin-left:0}}
@media(max-width:700px){.store-buttons{gap:10px}.store-button{padding:11px 13px;gap:9px}.store-button strong{font-size:.97rem}.store-button small{font-size:.65rem}.store-button img{width:24px;height:24px}.header .button-small{gap:10px}.footer .store-buttons{width:100%;margin-top:7px}.release-status .store-buttons{flex-direction:column}.release-status .store-button{width:100%}}
@media(max-width:380px){.header .brand img{width:40px;height:40px}.header .brand span{font-size:1.9rem}}

/* Short benefits; IELTS foundation receives one deliberate accent. */
.benefits-section .benefits-grid{align-items:stretch;gap:16px;margin-top:28px}.benefits-section .benefits-grid article{border:0;border-radius:16px;padding:22px 20px;background:#f3f7fc}.benefits-section .benefits-grid h3{font-size:1.1rem;line-height:1.35;margin-bottom:8px}.benefits-section .benefits-grid p{font-size:.9rem}.benefits-section .benefits-grid .ielts-benefit{background:var(--primary)}.ielts-benefit h3,.benefits-section .ielts-benefit p{color:var(--white)}
@media(max-width:700px){.benefits-section .benefits-grid{gap:12px}.benefits-section .benefits-grid article{padding:19px 15px}}