:root{--ink:#282434;--muted:#686174;--purple:#7545bb;--purple-dark:#59318f;--lavender:#ede3fb;--blue:#dceefa;--line:#e4ddeb;--white:#fff;--paper:#fcfaff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:ui-rounded,"Avenir Next","Segoe UI",Arial,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.22;font-weight:650;letter-spacing:-.035em}h1{font-size:clamp(2rem,3.6vw,2.95rem);margin-bottom:22px}h2{font-size:1.45rem;margin-bottom:12px}h3{font-size:1.05rem;margin-bottom:7px}p{margin-bottom:16px}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--purple)}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #ae83e0;outline-offset:4px}input,textarea,button{font:inherit}button{cursor:pointer}img,video{max-width:100%;display:block}::selection{background:#ddd0f5}.container{width:min(1080px,calc(100% - 56px));margin-inline:auto}.skip-link{position:absolute;top:-80px;left:20px;z-index:99;background:white;border:2px solid var(--purple);border-radius:10px;padding:8px 18px}.skip-link:focus{top:10px}.site-header{background:var(--white)}.header-inner{min-height:82px;display:flex;justify-content:space-between;align-items:center;gap:28px}.brand{font-size:1.6rem;font-weight:750;letter-spacing:-.065em;text-decoration:none;color:var(--purple);white-space:nowrap}.brand span{color:#3978af}.main-nav{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.main-nav a{padding:8px 13px;border-radius:999px;text-decoration:none;font-size:.89rem;color:#524b60}.main-nav a:hover,.main-nav a[aria-current="page"]{background:var(--lavender);color:var(--purple-dark)}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 25px;background:var(--purple);border:1px solid var(--purple);border-radius:999px;color:var(--white);font-size:.94rem;font-weight:600;line-height:1.4;text-decoration:none;transition:background .15s}.button:hover{color:var(--white);background:var(--purple-dark)}.text-link{color:var(--purple);font-size:.94rem}.home-main{padding-top:24px}.home-hero{position:relative;isolation:isolate;background:#f1eafb;border-radius:30px;overflow:hidden;display:grid;grid-template-columns:1.45fr 1fr;align-items:center;gap:35px;padding:47px 45px}.hero-copy,.hero-art{position:relative;z-index:2}.context{font-size:.91rem;color:#675379;margin-bottom:17px}.soft-highlight{display:inline-block;background:#dac8f3;border-radius:28px;padding:2px 14px 5px;margin-left:-11px}.hero-intro{font-size:1.08rem;margin-bottom:13px;max-width:480px}.group-size{font-size:1rem;color:#5d4878;margin-bottom:25px}.hero-art{min-height:270px;display:flex;align-items:center;justify-content:center}.swoop{position:absolute;z-index:0;right:-55px;top:15px;width:660px;height:380px;pointer-events:none}.shape{position:absolute;z-index:1;pointer-events:none}.shape-blue{width:88px;height:44px;border:15px solid #7fc5e6;border-bottom:0;border-radius:100px 100px 0 0;left:2px;top:0;transform:rotate(-27deg)}.shape-pink{height:21px;width:68px;background:#d68cc6;border-radius:40px;right:-2px;bottom:37px;transform:rotate(-38deg)}.shape-yellow{width:39px;height:39px;border-radius:50%;background:#e5c768;right:8px;top:25px}.lesson-media{position:relative;width:100%;max-width:292px;aspect-ratio:16/9;margin:14px 0 0;padding:22px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:7px;background:#ffffffd9;border:1px dashed #a68acb;border-radius:24px;transform:rotate(3deg)}.media-label{font-size:1rem;font-weight:600;line-height:1.45;color:#544267}.media-hint{font-size:.78rem;line-height:1.45;color:#80738d;max-width:220px}.small-symbol{color:#8062ae;font-size:1.45rem;line-height:1;margin-bottom:7px;letter-spacing:.17em}.learning{position:relative;background:#e4f1fb;border-radius:26px;padding:30px 35px;margin-top:22px;overflow:hidden}.learning:after{content:"";position:absolute;width:160px;height:160px;border:22px solid #c8e3f5;border-radius:50%;right:-74px;top:-100px;pointer-events:none}.learning-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:23px}.learning-head h2{margin-bottom:0}.learning-head p{margin:0;font-size:.92rem;color:#52677c}.topics{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;z-index:1}.topics article{padding-left:17px;border-left:3px solid #a194d6}.topics article:nth-child(2){border-color:#7eafd5}.topics article:nth-child(3){border-color:#c694c4}.topics p{font-size:.92rem;line-height:1.6;color:#596775;margin-bottom:0}.payment-note{font-size:.88rem;color:var(--muted);line-height:1.6;margin:23px 5px 28px}.site-footer{border-top:1px solid var(--line);margin-top:0;padding:23px 0 26px;background:#fcfaff}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;font-size:.82rem;color:var(--muted)}.footer-contacts{display:flex;flex-wrap:wrap;gap:12px 24px}.footer-contacts a{text-decoration:none}.page-scene{position:relative;isolation:isolate;min-height:calc(100svh - 176px);overflow:hidden;padding:42px 0 60px}.page-scene:before{content:"";position:absolute;z-index:-1;width:300px;height:300px;border-radius:50%;background:#ede3fa;right:-100px;top:0}.page-scene:after{content:"";position:absolute;z-index:-1;width:230px;height:110px;border:35px solid #d8ebf8;border-bottom:0;border-radius:200px 200px 0 0;left:-80px;bottom:15px;transform:rotate(30deg)}.page-container{max-width:860px}.page-title{font-size:2rem;margin-bottom:22px}.page-lead{max-width:680px;color:var(--muted);margin-bottom:28px;font-size:1.02rem}.about-box{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:32px;display:grid;grid-template-columns:1fr 148px;gap:35px;align-items:center}.about-copy h2{font-size:1.2rem;margin-bottom:14px}.about-copy p{font-size:.97rem;margin-bottom:14px}.about-copy p:last-child{margin-bottom:0;color:var(--muted)}.portrait-media{width:148px;aspect-ratio:4/5;background:#ede8f8;border:1px dashed #ad94ca;border-radius:24px 24px 48px 24px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:15px;text-align:center;margin:0}.portrait-media .media-label{font-size:.9rem}.portrait-media .media-hint{font-size:.75rem}.quiet-link{margin-top:24px;margin-bottom:0}.contact-panel{background:#ede5f9;border-radius:25px;padding:30px 34px;max-width:620px}.contact-row{display:grid;grid-template-columns:120px 1fr;gap:15px;padding:13px 0}.contact-row+.contact-row{border-top:1px solid #dacde9}.contact-row span{font-size:.89rem;color:#766384}.contact-row a{font-size:1.18rem;text-decoration:none;overflow-wrap:anywhere;line-height:1.5}.contact-after{font-size:.94rem;color:var(--muted);margin:23px 0 17px}.form-container{max-width:690px}.form-container .page-title{font-size:1.85rem;margin-bottom:12px}.form-container .page-lead{font-size:.97rem;margin-bottom:24px}.application-form{background:white;border:1px solid #e3d8ed;border-radius:25px;padding:29px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.field{margin-bottom:20px}.field label{display:block;font-weight:550;font-size:.91rem;margin-bottom:7px}.optional{font-size:.8rem;color:var(--muted);font-weight:400}.field input,.field textarea{width:100%;border:1px solid #cfc4db;background:#fefcff;border-radius:12px;padding:11px 13px;line-height:1.5;color:var(--ink);font-size:1rem;min-height:46px;outline-offset:3px}.field textarea{min-height:93px;resize:vertical}.field input::placeholder,.field textarea::placeholder{color:#8d8496}.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#aa3357}.field-hint{font-size:.77rem;color:var(--muted);line-height:1.5;margin:6px 0 0}.field-error{font-size:.82rem;color:#972442;margin:6px 0 0;line-height:1.45}.form-note{font-size:.78rem;color:var(--muted);margin:0;max-width:375px;line-height:1.55}.form-bottom{display:flex;gap:20px;align-items:center;justify-content:space-between}.form-bottom .button{flex-shrink:0}.form-extra-contact{margin-top:17px;font-size:.85rem;color:var(--muted)}.form-extra-contact a{white-space:nowrap}.form-error{background:#fff0f3;border:1px solid #e9b7c4;color:#8d2845;padding:12px 16px;border-radius:12px;font-size:.9rem;margin-bottom:20px}.success-box{padding:30px;background:#e6f0f9;border-radius:24px}.success-box h2{font-size:1.4rem}.success-box p{max-width:500px;font-size:.98rem}.success-box .text-link{display:inline-block;margin-top:4px}.honeypot{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;left:-9999px}.back-link{font-size:.85rem;color:#7a668b;display:inline-block;margin-bottom:22px;text-decoration:none}@media(max-width:850px){.home-hero{padding:35px 30px;gap:20px;grid-template-columns:1.5fr 1fr}.hero-art{min-height:235px}.home-hero h1{font-size:2.4rem}.lesson-media{padding:18px 13px}.media-hint{font-size:.75rem}.learning-head{display:block}.learning-head p{margin-top:9px}.topics{gap:18px}.main-nav a{padding:7px 10px;font-size:.84rem}.footer-inner{align-items:flex-start}.footer-contacts{justify-content:flex-end;gap:8px 18px}}@media(max-width:620px){.container{width:calc(100% - 32px)}.header-inner{min-height:unset;flex-direction:column;align-items:flex-start;padding:16px 0 12px;gap:12px}.brand{font-size:1.4rem}.main-nav{width:100%;justify-content:space-between;gap:1px}.main-nav a{padding:6px 8px;font-size:.81rem}.main-nav a:first-child{margin-left:-8px}.home-main{padding-top:12px}.home-hero{padding:29px 25px 21px;border-radius:24px;grid-template-columns:1fr;gap:12px}.home-hero h1{font-size:2.18rem;margin-bottom:17px}.context{font-size:.82rem;margin-bottom:14px}.hero-intro{font-size:.99rem}.group-size{font-size:.91rem;margin-bottom:21px}.soft-highlight{padding-inline:10px;margin-left:-7px}.hero-art{min-height:182px;margin:4px auto 0;max-width:300px;width:100%}.lesson-media{max-width:249px;margin-top:0;border-radius:18px;padding:15px;transform:rotate(2deg)}.media-label{font-size:.9rem}.media-hint{font-size:.72rem}.small-symbol{font-size:1.15rem;margin-bottom:3px}.shape-blue{width:55px;height:28px;border-width:10px;left:-6px;top:6px}.shape-pink{right:-5px;bottom:30px;width:45px;height:16px}.shape-yellow{width:29px;height:29px;right:0;top:4px}.swoop{right:-230px;top:90px;opacity:.8}.learning{padding:25px 24px;margin-top:16px;border-radius:24px}.learning-head{margin-bottom:23px}.learning-head h2{font-size:1.3rem}.learning-head p{font-size:.85rem}.topics{grid-template-columns:1fr;gap:19px}.topics h3{font-size:1rem}.topics p{font-size:.88rem}.topics article{padding-left:14px}.payment-note{font-size:.8rem;margin:19px 3px 23px}.footer-inner{display:block;font-size:.79rem}.footer-contacts{margin-top:11px;justify-content:flex-start;gap:8px 20px}.site-footer{padding:20px 0}.page-scene{padding:28px 0 40px;min-height:calc(100svh - 227px)}.page-title{font-size:1.75rem;margin-bottom:18px}.page-lead{font-size:.94rem;margin-bottom:22px}.about-box{padding:25px;grid-template-columns:1fr;gap:22px}.about-copy p{font-size:.93rem}.portrait-media{width:116px;aspect-ratio:4/5;justify-self:start}.portrait-media .media-label{font-size:.8rem}.portrait-media .media-hint{font-size:.7rem}.contact-panel{padding:19px 24px}.contact-row{grid-template-columns:1fr;gap:4px;padding:14px 0}.contact-row a{font-size:1.12rem}.field-grid{grid-template-columns:1fr;gap:0}.application-form{padding:23px 20px}.field{margin-bottom:18px}.form-bottom{flex-direction:column;align-items:flex-start;gap:16px}.form-bottom .button{width:100%}.form-note{font-size:.76rem}.form-container .page-title{font-size:1.65rem}.form-extra-contact{font-size:.8rem}.success-box{padding:25px}.page-scene:before{width:230px;height:230px;right:-120px}.page-scene:after{opacity:.65}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

button:disabled{opacity:.55;cursor:not-allowed}

/* Updated lesson format and payment section. */
.math-sketch{display:block;width:100%;max-width:300px;height:auto}
.lesson-format{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);align-items:center;gap:40px;margin-top:22px;padding:34px 35px;border-radius:26px;background:#f0e9fa}
.lesson-format .lesson-media{width:100%;max-width:none;margin:0;min-height:210px;transform:none;background:#fcfaff}
.lesson-format .media-hint{max-width:260px;font-size:.85rem}
.lesson-format-copy p{margin-bottom:15px}
.lesson-details{padding-left:20px;margin:0;color:#61536f}
.lesson-details li+li{margin-top:10px}
.payment-block{display:flex;gap:32px;align-items:baseline;margin:22px 0 28px;padding:24px 32px;border-radius:24px;background:#e4f1fb}
.payment-block h2{font-size:1.25rem;margin:0;flex-shrink:0}
.payment-block p{font-size:1rem;line-height:1.65;margin:0;max-width:690px}
.payment-block strong{font-weight:650;color:#4c3b66}
@media(max-width:850px){.lesson-format{gap:26px;padding:30px}.payment-block{gap:24px}}
@media(max-width:620px){.math-art{min-height:140px;margin-top:0;max-width:230px}.math-sketch{max-width:210px}.lesson-format{grid-template-columns:1fr;gap:25px;padding:25px 24px;margin-top:16px;border-radius:24px}.lesson-format .lesson-media{min-height:0;max-width:none;aspect-ratio:16/9;padding:20px}.lesson-format .media-label{font-size:1rem}.lesson-format .media-hint{font-size:.85rem}.lesson-format-copy h2{font-size:1.3rem}.lesson-format-copy p,.lesson-details{font-size:.96rem}.payment-block{display:block;padding:23px 24px;margin-top:16px}.payment-block h2{margin-bottom:10px}.payment-block p{font-size:1rem}}

/* Compact payment card. */
.payment-card{position:relative;isolation:isolate;overflow:hidden;display:block;padding:28px 32px 32px;background:linear-gradient(115deg,#e4f1fb 0%,#e9e8fa 100%);border:1px solid #dedff1}
.payment-card:before{content:"";position:absolute;z-index:-1;width:170px;height:170px;right:-80px;top:-100px;border:24px solid #d1c5ed;border-radius:50%;pointer-events:none}
.payment-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:24px}
.payment-heading h2{font-size:1.3rem;margin:0}
.payment-heading>span{font-size:.9rem;color:#686174}
.payment-options{display:grid;grid-template-columns:minmax(0,1fr) 56px minmax(0,1.3fr);align-items:center;gap:24px}
.payment-single{padding:8px 0 8px 8px;display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.payment-label{font-size:1rem;color:#58476d}
.payment-card .payment-amount{display:block;font-size:2.25rem;line-height:1.2;font-weight:650;letter-spacing:-.04em;color:#513582}
.payment-amount>span{font-size:1.5rem;font-weight:500}
.payment-duration{font-size:.95rem;color:#686174}
.payment-multiplier{display:flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:50%;background:#f8f5ff;border:1px solid #d9cfeb;color:#8062ae;font-size:1.05rem}
.payment-pack{position:relative;padding:23px 27px;border-radius:20px;background:#ffffffd9;border:1px solid #ffffff}
.payment-pack-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:11px}
.payment-dots{display:flex;gap:6px}
.payment-dots span{width:9px;height:9px;border-radius:50%;background:#b8a0da}
.payment-dots span:nth-child(2){background:#8fbfe0}
.payment-dots span:nth-child(3){background:#d2a0cc}
.payment-dots span:nth-child(4){background:#c6b5e7}
.payment-pack p{margin:12px 0 0;font-size:.95rem;line-height:1.55;color:#686174}
@media(max-width:620px){.payment-card{padding:24px}.payment-heading{display:block;margin-bottom:18px}.payment-heading h2{margin-bottom:6px}.payment-options{grid-template-columns:1fr;gap:16px}.payment-single{padding:0;display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:center}.payment-single .payment-amount{grid-column:2;grid-row:1/3}.payment-duration{grid-column:1}.payment-multiplier{display:none}.payment-pack{padding:21px}.payment-pack-heading{gap:12px}.payment-card .payment-amount{font-size:2rem}}