:root{--color-primary:#7a16f4;--color-primary-dark:#3c086d;--color-secondary:#00f09a;--color-accent:#ff2bbd;--color-text:#17131f;--color-muted:#665b74;--color-background:#fbf8ff;--color-surface:#fff;--color-line:#e1d2f4;--color-soft:#f2e8ff;--color-success-soft:#e2fff1;--radius-card:28px;--radius-control:999px;--shadow-card:0 18px 50px #30124c24;--shadow-soft:0 10px 24px #30124c1a;--max-width:1160px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--color-text);background:radial-gradient(circle at top left, #00f09a24, transparent 26rem), radial-gradient(circle at top right, #ff2bbd1f, transparent 26rem), var(--color-background);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body.is-menu-open{overflow:hidden}button,input{font:inherit}a{color:inherit}:focus-visible{outline-offset:4px;outline:3px solid #17131f;box-shadow:0 0 0 6px #fff}.skip-link{z-index:200;color:#fff;background:#3c086d;border-radius:8px;padding:11px 16px;font-weight:900;text-decoration:none;position:fixed;inset-block-start:10px;inset-inline-start:12px;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.container{width:min(var(--max-width), calc(100% - 40px));margin-inline:auto}.site-header{z-index:50;min-height:76px;padding:14px max(20px, calc((100vw - var(--max-width)) / 2));-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fbf8ffd1;border-bottom:1px solid #e1d2f4b3;justify-content:space-between;align-items:center;gap:24px;display:flex;position:sticky;top:0}.brand,.admin-brand{color:var(--color-primary-dark);align-items:center;gap:10px;font-size:1.1rem;font-weight:950;text-decoration:none;display:inline-flex}.desktop-nav{color:var(--color-muted);align-items:center;gap:26px;font-weight:760;display:flex}.desktop-nav a,.site-footer a{text-decoration:none}.desktop-nav a:hover,.site-footer a:hover{color:var(--color-primary)}.header-actions,.hero__actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.button{border-radius:var(--radius-control);cursor:pointer;border:0;justify-content:center;align-items:center;gap:10px;min-height:48px;padding:0 22px;font-weight:900;text-decoration:none;transition:transform .16s,box-shadow .16s,background .16s;display:inline-flex}.button:hover:not(:disabled):not(.is-disabled){box-shadow:var(--shadow-soft);transform:translateY(-2px)}.button--primary{color:#fff;background:linear-gradient(135deg, var(--color-primary), #9a00ff)}.button--secondary{color:var(--color-primary-dark);border:1px solid var(--color-line);background:#fff}.button.is-disabled,.button:disabled{cursor:not-allowed;opacity:.72}.menu-button{border:1px solid var(--color-line);width:46px;height:46px;color:var(--color-primary-dark);cursor:pointer;background:#fff;border-radius:999px;justify-content:center;align-items:center;display:none}.mobile-menu{z-index:100;padding:calc(10px + env(safe-area-inset-top)) 14px calc(14px + env(safe-area-inset-bottom));-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:radial-gradient(circle at 30% 12%,#00f09a29,#0000 15rem),radial-gradient(circle at 80% 24%,#ff2bbd2e,#0000 16rem),#14002638;justify-content:center;align-items:flex-start;display:flex;position:fixed;inset:0}.mobile-menu__panel{-webkit-backdrop-filter:blur(24px)saturate(135%);backdrop-filter:blur(24px)saturate(135%);background:linear-gradient(#ffffffd6,#ffffffa8),#ffffffad;border:1px solid #ffffffb8;border-radius:28px;flex-direction:column;gap:12px;width:min(420px,100%);max-height:calc(100dvh - 28px);padding:12px;display:flex;overflow:auto;box-shadow:0 24px 70px #30124c3d}.mobile-menu__top{border-bottom:1px solid #e1d2f49e;justify-content:space-between;align-items:center;gap:14px;padding:8px 8px 10px;display:flex}.menu-button--close{color:#fff;background:linear-gradient(135deg, var(--color-primary), #a100ff);border-color:#ffffff8a;flex:none;display:inline-flex;box-shadow:0 10px 24px #7a16f43d}.mobile-menu__links{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.mobile-menu__links a{min-height:54px;color:var(--color-text);background:#ffffffb8;border:1px solid #e1d2f4d6;border-radius:17px;align-items:center;padding:0 14px;font-size:.98rem;font-weight:920;text-decoration:none;display:flex;box-shadow:0 10px 22px #30124c0f}.mobile-menu__links a:hover{color:#fff;background:var(--color-primary);border-color:var(--color-primary)}.mobile-menu__legal{border-top:1px solid #e1d2f49e;flex-wrap:wrap;justify-content:center;gap:14px;padding-top:10px;display:flex}.mobile-menu__legal a{color:var(--color-text);font-weight:850;text-decoration:none}.mobile-menu__panel .button{color:#fff;background:linear-gradient(135deg,#7a16f4f2,#ff2bbdd1);width:100%;min-height:50px;box-shadow:0 14px 30px #7a16f438}.hero{padding:76px 0 56px}.hero__grid{grid-template-columns:minmax(0,1fr) 420px;align-items:center;gap:56px;display:grid}.hero__content{min-width:0}.eyebrow{color:var(--color-primary);letter-spacing:0;flex-wrap:wrap;align-items:center;gap:8px;max-width:100%;margin:0 0 12px;font-weight:950;display:inline-flex}.hero h1{max-width:790px;margin:0;font-size:clamp(3.2rem,8vw,6.9rem);line-height:.92}.hero__subtitle{max-width:670px;color:var(--color-muted);margin:28px 0 12px;font-size:clamp(1.2rem,2vw,1.45rem);line-height:1.55}.hero__slogan{color:var(--color-primary-dark);margin:0 0 28px;font-size:1.08rem;font-weight:900}.hero__note{max-width:580px;color:var(--color-muted);align-items:center;gap:10px;margin-top:22px;font-weight:700;display:flex}.hero__note span{min-width:0}.phone-shell{background:linear-gradient(135deg,#21003c,#8f00ff 55%,#ff2bbd);border-radius:42px;width:min(100%,390px);margin-inline:auto;padding:14px;position:relative;box-shadow:0 30px 80px #4500783d}.phone-shell:before{content:"";z-index:-1;filter:blur(28px);background:linear-gradient(135deg,#00e7ff47,#ff2bbd42);border-radius:52px;position:absolute;inset:-26px}.phone-screen{background:#fcf8ff;border-radius:32px;min-height:690px;padding:22px;overflow:hidden}.phone-shell--app-shot{background:linear-gradient(135deg,#21003c,#8f00ff 55%,#ff2bbd);padding:14px;overflow:hidden}.phone-shell--app-shot img{object-fit:cover;object-position:top center;border-radius:32px;width:100%;height:100%;min-height:690px;display:block}.phone-top,.phone-controls{color:var(--color-primary);justify-content:space-between;align-items:center;font-weight:950;display:flex}.app-hero-card,.download-card{color:#fff;background:linear-gradient(135deg, var(--color-primary), #9a00ff)}.app-hero-card{border-radius:24px;align-items:center;gap:18px;margin:22px 0;padding:22px;display:flex}.app-hero-card h3,.app-hero-card p{margin:0}.app-hero-card p{opacity:.86;line-height:1.45}.mini-label{color:var(--color-primary-dark);background:var(--color-secondary);border-radius:999px;margin-bottom:8px;padding:7px 10px;font-size:.78rem;font-weight:950;display:inline-flex}.teacher-avatar{object-fit:cover;background:#fff;border:3px solid #ffffffd1;border-radius:50%;flex:0 0 64px;width:64px;height:64px;box-shadow:0 12px 28px #1c003438}.chat-card,.feedback-card,.feature-card,.trust-card,.timeline-step,.conversation-sample,.screenshot-card,.faq-item,.legal-page,.delete-account-card,.not-found,.login-form,.admin-card{background:var(--color-surface);border:1px solid var(--color-line);box-shadow:var(--shadow-soft)}.delete-account-page{width:min(760px,100% - 40px);margin:64px auto}.delete-account-card{border-radius:var(--radius-card);padding:clamp(24px,5vw,48px)}.delete-account-card h1{margin:0 0 12px;font-size:clamp(2rem,6vw,3.25rem)}.delete-account-card p{color:var(--color-muted);line-height:1.6}.delete-account-eyebrow{font-weight:900;color:var(--color-primary-dark)!important}.delete-account-notice{background:#fff7fb;border:1px solid #f1c7d8;border-radius:18px;margin:26px 0;padding:18px}.delete-account-notice p:last-child{margin-bottom:0}.delete-account-form{gap:14px;margin-top:26px;display:grid}.delete-account-form h2{margin:0}.delete-account-form label{gap:7px;font-weight:800;display:grid}.delete-account-form input{border:1px solid var(--color-line);background:#fff;border-radius:12px;width:100%;padding:13px}.delete-account-button{color:#fff;background:#b42318}.delete-account-error{background:#fff0ef;border-radius:12px;margin-top:18px;padding:12px;font-weight:800;color:#8f1510!important}.delete-account-success{background:var(--color-success-soft);border-radius:12px;margin-top:18px;padding:14px;font-weight:800;color:#075c3b!important}.delete-account-links{color:var(--color-primary-dark);flex-wrap:wrap;gap:18px;margin-top:28px;font-weight:800;display:flex}.delete-account-helper{margin:0;font-size:.95rem}.chat-card{border-radius:22px;margin-top:16px;padding:18px}.chat-card p{margin:8px 0 0;line-height:1.45}.chat-card--user{color:#fff;background:var(--color-primary);margin-left:42px}.chip-row{gap:8px;margin-top:12px;display:flex}.chip-row span,.trust-list li{color:#007746;background:var(--color-success-soft);border-radius:999px;padding:7px 10px;font-size:.86rem;font-weight:850}.feedback-card{color:var(--color-primary-dark);border-radius:18px;align-items:center;gap:10px;margin-top:18px;padding:14px;font-weight:850;display:flex}.phone-controls{margin-top:22px}.phone-controls button{width:48px;height:48px;color:var(--color-primary-dark);background:var(--color-soft);border:0;border-radius:50%}.section,.trust-section,.download-section{padding:72px 0}.section--soft{background:#ffffff7a}.section-title{max-width:720px;margin-bottom:34px}.section-title--center{text-align:center;margin-inline:auto}.section-title h2,.trust-card h2,.download-card h2{margin:0;font-size:clamp(2rem,4vw,3.3rem);line-height:1.03}.section-title p,.trust-card p,.download-card p{color:var(--color-muted);font-size:1.08rem;line-height:1.65}.trust-card{border-radius:var(--radius-card);grid-template-columns:minmax(0,1fr) 420px;gap:28px;padding:36px;display:grid}.trust-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0;padding:0;list-style:none;display:grid}.trust-list li{align-items:center;gap:8px;padding:12px;display:flex}.ecosystem-section{padding-top:34px}.ecosystem-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.ecosystem-card{border-radius:var(--radius-card);background:linear-gradient(#fffffff5,#ffffffc7),radial-gradient(circle at 18% 12%,#00e6ff29,#0000 34%),radial-gradient(circle at 86% 0,#ff2dc724,#0000 34%);border:1px solid #7b17ee2e;flex-direction:column;min-height:430px;padding:28px;display:flex;box-shadow:0 18px 48px #1f0f471a}.ecosystem-card__icon{color:#061528;background:linear-gradient(135deg, var(--color-accent), #5effa2);border-radius:20px;place-items:center;width:62px;height:62px;display:grid}.ecosystem-card:nth-child(2) .ecosystem-card__icon{color:#fff;background:linear-gradient(135deg, var(--color-primary), #9a00ff)}.ecosystem-card:nth-child(3) .ecosystem-card__icon{color:#fff;background:linear-gradient(135deg,#0a88ff,#ff2dc7)}.ecosystem-card h3{margin:24px 0 10px;font-size:1.55rem;line-height:1.08}.ecosystem-card p{color:var(--color-muted);margin:0;line-height:1.62}.ecosystem-card__chips{flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:24px;display:flex}.ecosystem-card__chips span{min-height:34px;color:var(--color-primary-dark);background:#7b17ee1a;border-radius:999px;align-items:center;padding:7px 12px;font-size:.88rem;font-weight:850;display:inline-flex}.partners-section{background:#ffffff85}.partners-layout{grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr);align-items:stretch;gap:22px;display:grid}.partners-visual{border-radius:var(--radius-card);min-height:500px;box-shadow:var(--shadow-card);background:#16002f;position:relative;overflow:hidden}.partners-visual:after{content:"";background:linear-gradient(#0000 34%,#190039e6);position:absolute;inset:0}.partners-visual>img{object-fit:cover;width:100%;height:100%;display:block;position:absolute;inset:0}.partners-visual__overlay{z-index:1;color:#fff;gap:12px;display:grid;position:absolute;bottom:26px;left:28px;right:28px}.partners-visual__overlay span{background:#7a16f4e0;border-radius:999px;align-items:center;gap:8px;width:fit-content;padding:8px 12px;font-size:.84rem;font-weight:900;display:inline-flex}.partners-visual__overlay strong{max-width:440px;font-size:clamp(1.6rem,3vw,2.5rem);line-height:1.06}.partner-list{gap:12px;display:grid}.partner-card{border:1px solid var(--color-line);box-shadow:var(--shadow-soft);background:#fff;border-radius:22px;gap:16px;padding:18px;display:grid}.partner-card__person{align-items:center;gap:13px;display:flex}.partner-card__avatar{flex:0 0 62px;width:62px;height:62px;position:relative}.partner-card__avatar img{object-fit:cover;border:3px solid #f1e7ff;border-radius:50%;width:100%;height:100%;display:block}.partner-card__avatar span{background:#00a957;border:3px solid #fff;border-radius:50%;width:16px;height:16px;position:absolute;bottom:2px;right:1px}.partner-card h3,.partner-card p{margin:0}.partner-card h3{font-size:1.1rem}.partner-card p{color:var(--color-muted);margin-top:4px;font-weight:760}.partner-card p b{color:var(--color-primary)}.partner-card__meta{justify-content:space-between;align-items:center;gap:10px;display:flex}.partner-card__meta div{flex-wrap:wrap;gap:6px;display:flex}.partner-card__meta div span{color:#007746;background:var(--color-success-soft);border-radius:999px;padding:6px 9px;font-size:.75rem;font-weight:900}.partner-card__meta small{color:#00864e;flex:none;font-weight:900}.partner-benefit-row{flex-wrap:wrap;justify-content:center;gap:10px 24px;margin-top:24px;display:flex}.partner-benefit-row span{color:var(--color-primary-dark);align-items:center;gap:8px;font-weight:880;display:inline-flex}.partner-benefit-row svg{color:var(--color-primary)}.teachers-section{padding-top:28px}.teacher-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;display:grid}.teacher-card{border-radius:var(--radius-card);background:var(--color-surface);box-shadow:var(--shadow-soft);border:1px solid #7b17ee2e;overflow:hidden}.teacher-card img{aspect-ratio:4/3;object-fit:cover;object-position:center 28%;width:100%;display:block}.teacher-card__body{padding:20px}.teacher-card__body span{color:var(--color-primary);font-size:.9rem;font-weight:950}.teacher-card__body h3{margin:8px 0;font-size:1.45rem}.teacher-card__body p{min-height:58px;color:var(--color-muted);margin:0;font-weight:760;line-height:1.45}.teacher-card__body small{color:#063c2b;background:var(--color-success-soft);border-radius:999px;margin-top:16px;padding:8px 11px;font-weight:900;display:inline-flex}.feature-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;display:grid}.feature-card{border-radius:24px;min-height:240px;padding:22px;transition:transform .16s,box-shadow .16s}.feature-card:hover{box-shadow:var(--shadow-card);transform:translateY(-4px)}.feature-card__icon,.download-card__icon,.screenshot-card__screen svg{color:#fff;background:linear-gradient(135deg, var(--color-primary), #9a00ff)}.feature-card__icon,.download-card__icon{border-radius:16px;place-items:center;width:54px;height:54px;display:grid}.feature-card h3,.timeline-step h3,.screenshot-card h3,.conversation-sample h3,.faq-item h3{margin:18px 0 8px;font-size:1.2rem}.feature-card p,.timeline-step p,.screenshot-card p{color:var(--color-muted);margin:0;line-height:1.55}.timeline{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;display:grid}.timeline-step{border-radius:24px;padding:24px;position:relative}.timeline-step__number{color:#fff;background:var(--color-primary);border-radius:50%;place-items:center;width:42px;height:42px;font-weight:950;display:grid}.use-case-layout{grid-template-columns:330px minmax(0,1fr);gap:24px;display:grid}.tabs{gap:10px;display:grid}.tabs button{border:1px solid var(--color-line);text-align:left;color:var(--color-text);cursor:pointer;background:#fff;border-radius:18px;padding:16px}.tabs button.is-active{color:#fff;background:var(--color-primary);border-color:var(--color-primary)}.tabs span{font-weight:950;display:block}.tabs small{color:inherit;opacity:.74;margin-top:5px;font-weight:850;display:block}.conversation-sample{border-radius:var(--radius-card);padding:28px}.conversation-sample__image{aspect-ratio:16/7;background:#28104d;border-radius:20px;position:relative;overflow:hidden}.conversation-sample__image:after{content:"";background:linear-gradient(90deg,#13042d42,#0000 60%);position:absolute;inset:0}.conversation-sample__image img{object-fit:cover;width:100%;height:100%;display:block}.conversation-sample__image span{z-index:1;color:#fff;background:#260653cc;border-radius:999px;padding:7px 10px;font-size:.78rem;font-weight:900;position:absolute;bottom:14px;left:14px}.conversation-sample__messages{gap:14px;margin-top:20px;display:grid}.bubble{background:var(--color-soft);border-radius:22px;max-width:78%;padding:16px}.bubble--user{color:#fff;background:var(--color-primary);justify-self:end}.bubble p{margin:6px 0 0;line-height:1.5}.screenshot-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.screenshot-card{border-radius:var(--radius-card);padding:16px}.screenshot-card__screen{aspect-ratio:9/15;background:linear-gradient(#7a16f41f,#00f09a1a),#fff;border-radius:24px;align-content:center;place-items:center;gap:14px;display:grid;overflow:hidden}.screenshot-card__screen img{object-fit:contain;object-position:top center;width:100%;height:100%;display:block}.screenshot-card__screen svg{border-radius:22px;width:72px;height:72px;padding:18px}.download-card{box-shadow:var(--shadow-card);border-radius:34px;padding:44px}.download-card p{color:#ffffffdb;max-width:720px}.faq-list{gap:12px;max-width:860px;margin-inline:auto;display:grid}.faq-item{border-radius:20px;overflow:hidden}.faq-item h3{margin:0}.faq-item button{text-align:left;width:100%;color:var(--color-text);cursor:pointer;background:0 0;border:0;justify-content:space-between;align-items:center;padding:18px 20px;font-weight:950;display:flex}.faq-item svg{transition:transform .16s}.faq-item svg.is-open{transform:rotate(180deg)}.faq-item p{color:var(--color-muted);margin:0;padding:0 20px 20px;line-height:1.6}.site-footer{color:#fff;background:#130024;padding:52px 0 28px}.site-footer__grid{justify-content:space-between;align-items:flex-start;gap:30px;display:flex}.site-footer .brand{color:#fff}.site-footer p{color:#ffffffc2;max-width:420px;line-height:1.55}.site-footer nav{color:#ffffffc7;flex-wrap:wrap;gap:18px;font-weight:800;display:flex}.footer-admin{opacity:.68}.copyright{margin-top:32px;font-size:.92rem}.legal-page,.not-found{border-radius:var(--radius-card);width:min(860px,100% - 40px);margin:70px auto;padding:38px}.legal-page h1,.not-found h1{margin-top:0;font-size:clamp(2.2rem,5vw,4rem)}.legal-page p{color:var(--color-muted);line-height:1.7}.legal-page__updated{margin:0 0 10px;font-size:.9rem;font-weight:900;color:var(--color-primary-dark)!important}.legal-page__lead{font-size:1.08rem}.legal-section{margin-top:28px}.legal-section h2{color:var(--color-text);margin-bottom:10px}.legal-section ul{color:var(--color-muted);margin:10px 0 0;padding-inline-start:22px;line-height:1.7}.legal-section li+li{margin-top:7px}.login-page{background:radial-gradient(circle at 0 0,#00f09a29,#0000 24rem),linear-gradient(135deg,#130024,#39006b);place-items:center;min-height:100vh;padding:24px;display:grid}.back-link{top:24px;color:#fff;font-weight:850;position:fixed;inset-inline-start:24px}.login-form{border-radius:30px;width:min(100%,460px);padding:34px}.login-form__icon{color:#fff;background:var(--color-primary);border-radius:18px;place-items:center;width:56px;height:56px;display:grid}.login-form h1{margin-bottom:8px}.login-form p,.form-message{color:var(--color-muted)}.login-form label{margin:16px 0 7px;font-weight:850;display:block}.login-form input,.login-form 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