@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@400;500;600;700;800;900&display=swap');:root{--blue:#1b57b8;--teal:#19a797;--ink:#1b2e47;--muted:#68788f;--line:#e2eaf2;--bg:#f7fafd;--radius:18px}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:'Nunito Sans',Arial,sans-serif;color:var(--ink);line-height:1.55}a{color:var(--blue);text-decoration:none}.wrap{width:min(1140px,calc(100% - 36px));margin:auto}.topbar{background:white;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.nav{display:flex;justify-content:space-between;align-items:center;min-height:80px;gap:16px}.brand img{width:190px;max-height:70px;object-fit:contain}.nav nav{display:flex;align-items:center;gap:20px;font-weight:800;font-size:14px}.btn{border:0;display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--blue);color:white;font:800 15px 'Nunito Sans',Arial;padding:13px 19px;border-radius:12px;cursor:pointer;text-align:center}.btn:hover{background:#134a9d;color:white}.btn.small{font-size:13px;padding:10px 14px}.btn.ghost{background:white;color:var(--blue);border:1px solid #c8d8ef}.btn.block{width:100%}button.link{background:none;border:0;color:var(--blue);font:800 14px 'Nunito Sans',Arial;cursor:pointer;padding:0}.inline{display:inline}.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:80px 0 75px}.hero h1{font-size:clamp(38px,5vw,62px);line-height:1.13;margin:14px 0 20px;letter-spacing:-1.5px}.hero h1 em{font-style:normal;color:var(--teal)}.hero p{font-size:18px;color:var(--muted);max-width:550px}.hero-art{background:linear-gradient(140deg,#d4f7ee,#cce3ff);border-radius:32px;min-height:325px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;transform:rotate(-2deg)}.hero-art .big{font-size:50px;font-weight:900;line-height:1.1;color:#1562b2}.hero-art span{font-size:65px;color:#f4aa27}.hero-art p{font-size:14px;color:#4c6a84}.eyebrow{font-weight:900;font-size:11px;letter-spacing:1.6px;color:var(--teal)}h1,h2,h3{line-height:1.25}h2{font-size:29px;margin:26px 0 20px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:20px 0 45px}.card{padding:25px;background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 6px 24px rgba(22,51,84,.025)}.card h3{margin:8px 0;font-size:20px}.card p,.muted{color:var(--muted)}.emoji{font-size:33px}.price{font-size:28px;color:var(--blue);font-weight:900}.price small{font-size:14px;color:var(--muted)}.featured{border:2px solid #57b9bd}.banner,.childhero{background:linear-gradient(120deg,#dff7f3,#e9f1ff);border-radius:25px;padding:38px;margin:40px 0}.banner h2{margin:0 0 10px}.footer{border-top:1px solid var(--line);margin-top:80px;padding:25px 0 38px;font-size:13px;color:var(--muted)}.authbox,.formpage{max-width:560px;margin:60px auto;background:white;padding:38px;border-radius:20px;border:1px solid var(--line)}.formpage{max-width:800px}.authbox h1,.formpage h1{margin:8px 0}.authbox>p,.formpage>p{color:var(--muted)}form label{display:block;font-weight:800;font-size:14px;margin:15px 0 7px}input,select{width:100%;padding:13px;border:1px solid #cfdbe9;border-radius:10px;font:600 15px 'Nunito Sans',Arial;color:var(--ink);background:white;margin-top:5px}input:focus,select:focus{outline:2px solid #b0dce8;border-color:#3faabc}.flash,.error{padding:14px 20px;border-radius:12px;margin-top:20px;background:#e4f8ed;color:#155d3e}.error{background:#fff0f0;color:#a0262e}.error ul{margin:5px 0}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.pagehead{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:43px 0 15px}.pagehead h1{margin:5px 0;font-size:34px}.pagehead p{margin:4px 0;color:var(--muted)}.pill{display:inline-block;background:#e7f7f5;color:#18796e;padding:5px 10px;border-radius:50px;font-size:12px;font-weight:900}.statgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:16px 0 35px}.stat{background:white;border:1px solid var(--line);border-radius:16px;padding:22px}.stat strong{display:block;font-size:30px}.stat span{color:var(--muted);font-size:13px}.sectionrow{display:flex;align-items:center;justify-content:space-between;gap:20px}.sectionrow h2{margin:0}.sectionrow p{margin:4px 0}.profile{display:flex;align-items:center;gap:15px}.profile h3{margin:0}.profile p{margin:3px 0;font-size:13px}.avatar{height:70px;width:70px;border-radius:50%;object-fit:cover;flex-shrink:0;background:#dce9f8}.avatar.placeholder{display:grid;place-items:center;font-size:37px}.id{font-size:12px;color:#8b9cad;font-weight:800}.childcard .actions{margin-top:24px}.twocol{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:22px 0}.twocol .card{margin:0}.noticeitem{padding:12px 0;border-top:1px solid var(--line);font-size:13px}.noticeitem p{margin:4px 0}.check{display:flex;align-items:center;gap:10px;font-weight:600;margin:10px 0}.check input{width:auto;margin:0}.privacy{background:#f4f9ff;padding:18px;border-radius:12px;margin:20px 0}.privacy h3{margin-top:0}.back{display:block;margin-bottom:20px}.unlock{max-width:460px;margin-top:30px}@media(max-width:760px){.nav{min-height:67px}.brand img{width:133px}.nav nav{gap:10px;font-size:12px}.nav .btn.small{padding:8px}.hero{grid-template-columns:1fr;padding:45px 0 30px;gap:18px}.hero-art{min-height:200px}.hero-art .big{font-size:36px}.cards,.statgrid{grid-template-columns:1fr}.twocol{grid-template-columns:1fr;gap:10px}.pagehead{align-items:start}.pagehead h1{font-size:28px}.authbox,.formpage{padding:23px;margin:25px auto}.sectionrow{align-items:start}.card{padding:20px}.banner{padding:25px}.footer{margin-top:40px}}

/* Pintaro v1.1 marketing */
:root{--blue:#1464d6;--ink:#152b50;--bg:#f8fbff}.wrap{width:min(1190px,calc(100% - 36px))}.topbar{box-shadow:0 3px 22px #20466d09}.nav{min-height:78px}.nav nav{gap:21px}.hero-new{gap:32px;padding:62px 0}.hero-new h1{font-size:clamp(36px,4.5vw,59px);letter-spacing:-1.7px}.hero-new em{color:#1399a6}.hero-copy>p{font-size:18px;max-width:570px}.hero-photo{height:440px;border-radius:32px;background:linear-gradient(120deg,#daefff,#fcf1d6);position:relative;overflow:hidden;box-shadow:0 20px 55px #2b6b9a17}.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 45%}.hero-tag{position:absolute;bottom:20px;left:20px;right:20px;background:#fffffff0;padding:14px;border-radius:14px;font-weight:900;box-shadow:0 10px 25px #143f7522;text-align:center}.hero-trust{margin-top:19px;display:flex;flex-wrap:wrap;gap:8px 18px;color:#57718c;font-size:12px;font-weight:800}.intro-strip{display:grid;grid-template-columns:repeat(4,1fr);background:#eaf5fe;border-radius:21px;padding:24px 12px;gap:10px;margin:0 0 62px}.intro-strip>div{text-align:center;border-right:1px solid #cde0ef}.intro-strip>div:last-child{border:0}.intro-strip strong{display:block;font-size:23px;color:#1252a5}.intro-strip span{font-size:12px;color:#61768c}.landing-section{padding:34px 0 48px}.landing-section>h2,.how-section h2,.olymp-section h2,.demo-section h2{font-size:clamp(28px,3vw,38px);max-width:800px;margin:6px 0 11px}.section-caption{color:#128e9b;letter-spacing:1.7px;font-size:11px;font-weight:900}.section-sub{color:#697c91;max-width:700px;margin-bottom:24px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.feature-card,.level-card,.price-card,.article-card{background:white;border:1px solid #e4ebf5;border-radius:21px;padding:25px;box-shadow:0 10px 34px #183d6508}.feature-card h3{margin:12px 0 7px}.feature-card p,.level-card p,.article-card p{color:#667c92;font-size:14px;margin:0}.feature-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:16px;font-size:28px}.violet{background:#f0eafe}.mint{background:#dcf8eb}.orange{background:#fff0d7}.sky{background:#e2f3ff}.pink{background:#ffe7ef}.learning-section{background:#f0f8fd;border-radius:28px;padding:39px 32px;margin:30px 0}.levels{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.level-card{padding:20px}.level-card h3{font-size:17px}.level-em{font-size:31px}.level-card span{display:inline-block;margin-top:15px;font-size:11px;font-weight:900;color:#177c91}.soft-note{color:#718399;font-size:12px;margin:14px 0 0}.how-section{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}.steps>div{display:flex;gap:16px;align-items:start;padding:15px 0}.steps b{border-radius:12px;background:#e4f5ff;padding:10px;color:#1565c4}.steps span strong,.steps small{display:block}.steps small{color:#718399;font-size:13px;margin-top:4px}.parent-preview,.rank-preview{border:1px solid #d9e8f5;background:white;border-radius:24px;box-shadow:0 20px 55px #183d6513;padding:25px}.preview-head,.rank-title{display:flex;justify-content:space-between;font-weight:900}.preview-head span,.rank-title small{font-size:11px;color:#789}.preview-profile,.preview-task{display:flex;align-items:center;gap:13px;background:#f6faff;border-radius:12px;padding:13px;margin:10px 0}.preview-profile span,.preview-task span{flex:1}.preview-profile small,.preview-task small{display:block;font-size:11px;color:#718399}.preview-tip{background:#e7f9f4;border-radius:12px;padding:15px;color:#2a7568;font-size:13px;margin-top:15px}.olymp-section{display:grid;grid-template-columns:1fr .9fr;gap:38px;align-items:center;background:linear-gradient(115deg,#e7f1ff,#eefaf2);border-radius:27px;padding:36px;margin:24px 0}.olymp-copy p{color:#667c92}.olymp-chips{display:flex;flex-wrap:wrap;gap:8px;margin:21px 0}.olymp-chips span{background:white;border-radius:12px;padding:10px;font-size:12px;font-weight:900}.rank-row{display:flex;align-items:center;gap:16px;padding:13px;margin:9px 0;background:#f7faff;border-radius:12px}.rank-row span{flex:1}.rank-row b{color:#2a6ac4}.rank-preview p{font-size:11px;color:#789}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:17px}.price-card{position:relative}.price-card.featured{border:2px solid #4aaebb}.price-card h3{font-size:24px}.price-card span{color:#778b9f;font-size:13px}.price-card ul{padding-left:20px;line-height:2.1;color:#516a82;min-height:170px}.plan-label{position:absolute;right:16px;top:15px;font-size:9px;background:#e0f9f2;border-radius:40px;padding:5px 9px;color:#11877a;font-weight:900}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card{padding:0;overflow:hidden}.article-card>div:last-child{padding:18px}.article-cover{height:135px;display:grid;place-items:center;font-size:66px}.cover-blue{background:#dcebff}.cover-peach{background:#fff0e4}.cover-green{background:#e7f8e8}.article-card small{color:#13899b;font-weight:900}.article-card h3{font-size:17px}.demo-section{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;background:#e5f2fe;border-radius:25px;padding:37px;margin:20px 0}.demo-section p{color:#637b92}.demo-note{border-radius:19px;background:white;padding:20px}.faq-section details{background:white;margin:9px 0;padding:18px;border:1px solid #e2eaf2;border-radius:13px}.faq-section summary{cursor:pointer;font-weight:900}.faq-section details p{color:#667c92}.final-cta{text-align:center;background:linear-gradient(130deg,#d3f2ef,#dfedff);margin-bottom:50px}.final-cta h2{max-width:700px;margin:0 auto 10px}.footer{background:#eaf3fa;margin-top:30px;padding:45px 0 0;border:0}.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr;gap:45px}.footer-top p{max-width:420px}.footer-top a,.footer-top b{display:block;margin:8px 0}.footer-bottom{border-top:1px solid #cfdeeb;margin-top:25px;padding:17px 0}.admin-table{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{padding:13px;border-bottom:1px solid #e2eaf2;text-align:left;font-size:13px}.demo-warning{background:#fff7df;border:1px solid #f1d89b;border-radius:12px;padding:15px;margin-top:23px;color:#725c24}.login-demo{background:#eff6fd;border-radius:13px;padding:18px;margin-top:25px}.subpage{padding:70px 0;min-height:60vh}.subpage h1{font-size:clamp(34px,5vw,54px);margin:8px 0}.subpage>p{color:#718399;font-size:18px}.subpage .card{max-width:850px;margin-top:35px}
@media(max-width:900px){.desktop-nav{display:none}.hero-new,.how-section,.olymp-section,.demo-section{grid-template-columns:1fr}.levels{grid-template-columns:repeat(2,1fr)}.feature-grid,.article-grid,.pricing-grid{grid-template-columns:repeat(2,1fr)}.hero-photo{height:340px}}
@media(max-width:600px){.hero-new{padding:30px 0;gap:26px}.hero-photo{height:280px}.intro-strip{grid-template-columns:repeat(2,1fr);gap:22px;padding:22px 7px}.intro-strip>div:nth-child(2){border:0}.feature-grid,.article-grid,.pricing-grid,.levels{grid-template-columns:1fr}.learning-section,.olymp-section,.demo-section{padding:23px}.landing-section{padding:22px 0}.hero-new h1{letter-spacing:-.7px}.nav nav{gap:8px}.hero-copy p{font-size:16px}.footer-top{grid-template-columns:1fr 1fr;gap:15px}.footer-top>div:first-child{grid-column:span 2}}

/* Pintaro V1.2: expanded demo and update center */
.demo-tabs{display:flex;gap:9px;flex-wrap:wrap;margin:22px 0}.demo-tabs a{background:#eef6ff;color:#14548a;border-radius:12px;padding:10px 15px;text-decoration:none;font-weight:700;font-size:14px}.demo-tabs a.selected{background:#1054b7;color:white}.demo-feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}.demo-feature{border:1px solid #dceafa;border-radius:14px;padding:20px;text-decoration:none;color:#164776;background:#f7fbff;font-weight:700;display:flex;justify-content:space-between}.demo-question{padding:14px 0;border-bottom:1px solid #e5edf4}.demo-question summary{cursor:pointer;font-weight:600}.answer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:14px 0}.answer-grid span{background:#f3f7fa;border-radius:9px;padding:10px}.answer-grid .right-answer{background:#dbf5e9;color:#096040;font-weight:bold}.bar-row{display:flex;align-items:center;gap:10px;margin:13px 0}.bar-row span{width:94px}.bar-row>div{height:9px;flex:1;background:#e8f0f7;border-radius:20px;overflow:hidden}.bar-row i{display:block;height:100%;background:#18a69a}.schedule-grid{display:grid;gap:10px}.schedule-item{display:flex;gap:20px;border:1px solid #e1edf7;border-radius:13px;padding:15px}.schedule-item>b{min-width:80px;color:#1454ae}.schedule-item small{display:block;color:#687a8c}.schedule-item p{margin:4px 0 0}.medal-demo{padding:15px;background:#f0f8ff;border-radius:12px;margin:10px 0}.demo-bottom{display:flex;justify-content:space-between;align-items:center;margin:24px 0;gap:12px} .card code{overflow-wrap:anywhere}@media(max-width:640px){.answer-grid{grid-template-columns:1fr}.demo-bottom{flex-direction:column;align-items:stretch}.schedule-item{gap:10px}}

/* Pintaro learning experience V1.3 */
.quiz-shell{max-width:860px;margin:32px auto 60px}.quiz-top{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:24px}.quiz-top h1{font-size:clamp(27px,4vw,42px);margin:8px 0}.quiz-stage{padding:clamp(20px,5vw,52px)!important;border-radius:26px!important;box-shadow:0 20px 55px rgba(20,55,85,.08)}.quiz-counter{font-size:15px;color:#39756e;font-weight:800}.quiz-track{height:9px;background:#e6f2f0;border-radius:20px;overflow:hidden;margin:12px 0 28px}.quiz-track i{display:block;height:100%;background:#19a68e;border-radius:20px;transition:width .2s}.quiz-subject{display:inline-block;background:#e1f7f0;color:#0a7264;padding:8px 16px;border-radius:22px;font-weight:800}.quiz-one h2{font-size:clamp(27px,4vw,39px);line-height:1.35;margin:25px 0 28px}.quiz-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.quiz-option{cursor:pointer}.quiz-option input{position:absolute;opacity:0;width:1px;height:1px}.quiz-option span{display:flex;align-items:center;gap:14px;min-height:90px;border:2px solid #dce9ee;border-radius:18px;background:#fff;padding:18px;font-size:clamp(19px,2.5vw,25px);font-weight:700;transition:.15s}.quiz-option span b{display:grid;place-items:center;flex-shrink:0;width:42px;height:42px;background:#edf5f8;border-radius:12px;color:#267f8d}.quiz-option input:checked+span{border-color:#11a88e;background:#e9fbf6;box-shadow:0 0 0 3px rgba(17,168,142,.12)}.quiz-option input:focus-visible+span{outline:3px solid #166ff8}.quiz-bottom{display:flex;justify-content:space-between;gap:15px;margin-top:30px}.quiz-bottom .btn:last-child{margin-left:auto}.quiz-bottom button:disabled{opacity:.45;cursor:not-allowed}.quiz-note{color:#667b85;text-align:center;font-size:14px}.quiz-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:25px 0}.quiz-summary>div{background:linear-gradient(130deg,#e8fcf5,#f1f5ff);padding:28px;border-radius:20px;display:grid;gap:8px}.quiz-summary strong{font-size:clamp(27px,4vw,48px);color:#117d73}.quiz-summary small{color:#61747f}.quiz-one[hidden]{display:none!important}@media(max-width:650px){.quiz-options,.quiz-summary{grid-template-columns:1fr}.quiz-option span{min-height:78px}.quiz-top{display:block}}