:root {
  --bg: #f7f9fd;
  --text: #0f1f3d;
  --muted: #66758e;
  --primary: #2f6df6;
  --primary-2: #5b8cff;
  --line: #e6ebf4;
  --card: #ffffff;
  --green: #16a34a;
  --shadow: 0 20px 60px rgba(33, 63, 120, .12);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{text-decoration:none;color:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.section{padding:96px 0}
.muted{background:#f2f6fc}
.site-header{position:sticky;top:0;z-index:30;background:rgba(247,249,253,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,235,244,.9)}
.nav-wrap{height:78px;display:flex;align-items:center;gap:30px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:white;background:linear-gradient(135deg,var(--primary),#7aa2ff);box-shadow:0 10px 24px rgba(47,109,246,.28)}
.brand-mark.small{width:28px;height:28px;border-radius:9px;font-size:13px}
.nav{display:flex;gap:28px;margin-left:auto;color:#43526d;font-size:14px;font-weight:600}
.nav a:hover{color:var(--primary)}
.nav-actions{display:flex;gap:10px}
.menu-btn{display:none;margin-left:auto;border:0;background:none;font-size:26px;color:var(--text)}
.mobile-nav{display:none}
.mobile-nav.is-open{display:grid}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 18px;border-radius:12px;font-weight:700;font-size:14px;border:1px solid transparent;transition:.2s ease}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-2));color:white;box-shadow:0 12px 26px rgba(47,109,246,.25)}
.btn-ghost{background:white;border-color:var(--line);color:#31415f}
.btn-whatsapp{background:#18a957;color:white;box-shadow:0 12px 26px rgba(22,163,74,.2)}
.btn-light{background:white;color:#1d4fd7}
.btn-lg{padding:15px 22px;border-radius:14px}
.btn-full{width:100%}
.hero{padding-top:72px;background:radial-gradient(circle at 80% 15%,rgba(91,140,255,.13),transparent 32%),linear-gradient(180deg,#fbfdff 0%,#f7f9fd 100%)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:58px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;padding:7px 11px;border-radius:999px;background:#eaf1ff;color:#2f61d7;font-size:12px;font-weight:800;letter-spacing:.02em;text-transform:uppercase}
.eyebrow.light{background:rgba(255,255,255,.14);color:#dce7ff}
h1{font-size:clamp(42px,5vw,68px);line-height:1.03;margin:18px 0 22px;letter-spacing:-.04em}
h1 span{color:var(--primary)}
.lead{font-size:19px;color:var(--muted);max-width:620px;margin:0 0 28px}
.promo-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0}
.promo-card{display:flex;gap:12px;align-items:flex-start;background:white;border:1px solid var(--line);border-radius:16px;padding:15px 16px;box-shadow:0 8px 24px rgba(38,64,115,.05)}
.promo-card strong,.promo-card span{display:block}.promo-card strong{font-size:15px;margin-bottom:2px}.promo-card span{font-size:12px;color:var(--muted)}
.promo-free{background:#f1fff6;border-color:#d6f3df}
.promo-icon{font-size:20px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.micro-proof{margin-top:18px;color:#5e6d87;font-size:13px}
.dashboard-shell{background:#0c1730;border-radius:22px;padding:10px;box-shadow:0 30px 80px rgba(32,61,120,.25);transform:perspective(1000px) rotateY(-2deg) rotateX(1deg)}
.window-bar{height:34px;display:flex;gap:7px;align-items:center;padding:0 8px}.window-bar span{width:9px;height:9px;border-radius:50%;background:#40506f}.window-bar span:first-child{background:#ff6b6b}.window-bar span:nth-child(2){background:#f5c84b}.window-bar span:nth-child(3){background:#4fd38a}
.dashboard{display:grid;grid-template-columns:150px 1fr;background:#f7f9fd;border-radius:14px;overflow:hidden;min-height:430px}
.sidebar{background:#0f1f3d;color:#aebbd2;padding:18px 14px;display:flex;flex-direction:column;gap:8px;font-size:12px}.side-logo{display:flex;align-items:center;gap:8px;color:white;font-weight:800;margin-bottom:12px}.sidebar a{padding:9px 10px;border-radius:9px}.sidebar a.active{background:#1f4fc3;color:white}
.dash-main{padding:18px}.dash-head{display:flex;justify-content:space-between;align-items:center}.dash-head small{color:#7d8ba4}.dash-head h3{margin:2px 0 0;font-size:17px}.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#dbe7ff;color:#2f61d7;font-size:11px;font-weight:800}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin:18px 0}.stats div{background:white;border:1px solid var(--line);border-radius:12px;padding:12px}.stats span{display:block;color:#7c89a1;font-size:9px}.stats strong{display:block;font-size:19px;margin-top:2px}.stats em{color:#19a65b;font-style:normal;font-size:9px}
.dash-cards{display:grid;grid-template-columns:1.2fr .8fr;gap:12px}.panel{background:white;border:1px solid var(--line);border-radius:12px;padding:13px}.panel-title{font-size:11px;font-weight:800;margin-bottom:10px}.lesson{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid #edf1f6;font-size:9px;color:#63718a}.lesson:last-child{border-bottom:0}.lesson b{color:#2f61d7}.chart{height:120px;display:flex;gap:8px;align-items:end;padding:10px}.chart i{flex:1;background:linear-gradient(180deg,#5b8cff,#2f6df6);border-radius:6px 6px 2px 2px}
.section-head{text-align:center;max-width:720px;margin:0 auto 48px}.section-head h2,.two-col h2,.contact-card h2{font-size:clamp(32px,4vw,48px);line-height:1.1;letter-spacing:-.035em;margin:14px 0}.section-head p{color:var(--muted);margin:0}

.pain-section{background:#fff}
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.pain-card{border-radius:26px;padding:34px;border:1px solid var(--line);box-shadow:0 16px 44px rgba(34,63,120,.07)}
.pain-card h2{font-size:clamp(30px,3.5vw,46px);line-height:1.08;letter-spacing:-.035em;margin:16px 0 24px}
.pain-problems{background:linear-gradient(180deg,#fff,#fbfcff)}
.pain-list{display:grid;gap:12px}
.pain-list div{display:grid;grid-template-columns:42px 1fr;gap:12px;align-items:start;padding:14px 0;border-bottom:1px solid #edf1f6}
.pain-list div:last-child{border-bottom:0}
.pain-list span{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#fff0f0;color:#d94a4a;font-size:11px;font-weight:800}
.pain-list p{margin:3px 0 0;color:#43526d;font-size:15px}
.pain-solution{background:linear-gradient(145deg,#10244a,#173a7d);color:white;border-color:#244c95}
.solution-label{background:rgba(255,255,255,.12);color:#dce7ff}
.solution-intro{color:#cbd9f5;font-size:16px;margin:-8px 0 24px}
.solution-list{display:grid;gap:12px}
.solution-list div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.10);border-radius:16px;padding:16px 17px}
.solution-list strong,.solution-list span{display:block}
.solution-list strong{font-size:15px;margin-bottom:4px}
.solution-list span{color:#c7d5ef;font-size:13px}

.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{background:white;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 12px 34px rgba(34,63,120,.06)}.feature-card .icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:#edf3ff;color:#2f61d7;font-weight:800}.feature-card h3{font-size:18px;margin:16px 0 8px}.feature-card p{color:var(--muted);font-size:14px;margin:0}
.two-col{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:start}.benefit-list{display:grid;gap:14px}.benefit-list div{background:white;border:1px solid var(--line);border-radius:16px;padding:20px}.benefit-list strong,.benefit-list span{display:block}.benefit-list strong{margin-bottom:4px}.benefit-list span{color:var(--muted);font-size:14px}
.pricing-section{background:#0f1f3d;color:white}.pricing-section .section-head p{color:#aebbd2}.pricing-section .eyebrow{background:#1d3564;color:#bcd1ff}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.price-card{position:relative;background:#16284d;border:1px solid #29406b;border-radius:22px;padding:26px;color:white}.price-card.featured{background:linear-gradient(180deg,#214a9c,#17336f);border-color:#4f7ee5;transform:translateY(-8px);box-shadow:0 20px 50px rgba(33,74,156,.4)}.popular{position:absolute;top:-14px;left:24px;background:#74a2ff;color:#0f2452;padding:6px 10px;border-radius:999px;font-size:11px;font-weight:800}.price-top{display:flex;justify-content:space-between;gap:10px;align-items:center}.plan{font-size:21px;font-weight:800}.tag{font-size:10px;background:rgba(255,255,255,.08);padding:6px 8px;border-radius:999px;color:#bcd1ff}.price-card p{color:#aebbd2;font-size:14px;min-height:44px}.price{font-size:36px;font-weight:800;margin:20px 0}.price small{font-size:13px;color:#aebbd2}.price-card ul{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px;color:#dce7ff;font-size:13px}.price-card li:before{content:"✓";color:#7eb0ff;margin-right:8px}.pricing-note{text-align:center;color:#aebbd2;margin-top:24px;font-size:13px}
.contact-section{background:#edf3ff}.contact-card{background:linear-gradient(135deg,#2f6df6,#5b8cff);color:white;border-radius:28px;padding:42px;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow)}.contact-card p{color:#dfe9ff;max-width:620px}.contact-actions{display:flex;flex-direction:column;align-items:stretch;gap:9px;min-width:220px}.contact-note{font-size:11px;color:#dce7ff;text-align:center}.btn-support{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.45);color:#fff}.btn-support:hover{background:rgba(255,255,255,.16)}
.footer{padding:26px 0;background:#0b1730;color:#a9b5cb}.footer-row{display:flex;justify-content:space-between;gap:20px;font-size:12px}
@media(max-width:900px){.nav,.nav-actions{display:none}.menu-btn{display:block}.mobile-nav{position:absolute;top:78px;left:0;right:0;background:white;border-bottom:1px solid var(--line);padding:16px 20px;gap:12px;box-shadow:0 18px 34px rgba(15,31,61,.08)}.hero-grid,.two-col{grid-template-columns:1fr}.dashboard-shell{transform:none}.feature-grid,.pricing-grid{grid-template-columns:1fr}.price-card.featured{transform:none}.promo-row{grid-template-columns:1fr}.contact-card{flex-direction:column;align-items:flex-start}.contact-actions{align-items:flex-start}.footer-row{flex-direction:column}.section{padding:72px 0}}
@media(max-width:560px){.container{width:min(100% - 24px,1180px)}.section{padding:60px 0}h1{font-size:40px}.dashboard{grid-template-columns:1fr}.sidebar{display:none}.stats{grid-template-columns:repeat(2,1fr)}.dash-cards{grid-template-columns:1fr}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}.contact-card{padding:28px}.footer{padding-bottom:34px}}


@media(max-width:900px){.pain-grid{grid-template-columns:1fr}.pain-card{padding:28px}.pain-card h2{font-size:34px}}
@media(max-width:560px){.pain-card{padding:22px}.pain-card h2{font-size:30px}.pain-list div{grid-template-columns:36px 1fr}.solution-list div{padding:14px}}

/* EDUP final brand + demo */
.brand-logo{width:38px;height:38px;object-fit:contain;display:block}
.side-logo-img{width:28px;height:28px;object-fit:contain;display:block}
.hero-fit{margin-top:18px;font-size:15px;font-weight:700;color:#263a5f}
.micro-proof-card{margin-top:16px;background:#eef4ff;border:1px solid #d9e5ff;border-radius:16px;padding:16px 18px;color:#28436f}
.micro-proof-card strong,.micro-proof-card span{display:block}.micro-proof-card strong{font-size:14px;margin-bottom:4px}.micro-proof-card span{font-size:13px;color:#64748b}
.demo-section{background:linear-gradient(180deg,#f8fbff 0%,#eef4ff 100%)}
.demo-preview{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:stretch}
.demo-dashboard-card,.demo-flow-card{background:white;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 18px 45px rgba(33,63,120,.08)}
.demo-topline,.demo-modal-head{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.demo-topline h3,.demo-modal-head h2{margin:8px 0 0}.demo-note,.demo-modal-head>span{font-size:12px;color:var(--muted)}
.demo-badge{display:inline-flex;padding:6px 9px;border-radius:999px;background:#e8f0ff;color:#2f61d7;font-size:10px;font-weight:800;letter-spacing:.04em}
.demo-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.demo-stats div{background:#f7f9fd;border:1px solid var(--line);border-radius:14px;padding:14px}.demo-stats span{display:block;color:#7a879e;font-size:10px}.demo-stats strong{display:block;font-size:22px;margin-top:4px}
.demo-columns,.teacher-demo-panels{display:grid;grid-template-columns:1fr 1fr;gap:12px}.demo-list{background:#f9fbff;border:1px solid var(--line);border-radius:16px;padding:16px}.demo-list h4{margin:0 0 10px}.demo-list>div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-top:1px solid #edf1f6;font-size:12px}.demo-list>div:first-of-type{border-top:0}.demo-list b{color:#8a5a16;font-weight:700;text-align:right}.demo-list b.good{color:#159b58}
.demo-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.flow-steps{display:grid;gap:14px;margin:20px 0}.flow-steps>div{display:grid;grid-template-columns:34px 1fr;column-gap:12px;background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:14px}.flow-steps>div>span{grid-row:1/3;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#2f6df6;color:white;font-weight:800}.flow-steps strong{font-size:14px}.flow-steps p{margin:3px 0 0;color:var(--muted);font-size:12px}.demo-disclaimer{font-size:11px;color:#7b879b;margin:14px 0 0}
.demo-modal{position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;padding:24px}.demo-modal.is-open{display:flex}.demo-modal-backdrop{position:absolute;inset:0;background:rgba(8,18,38,.68);backdrop-filter:blur(7px)}.demo-modal-dialog{position:relative;z-index:1;width:min(1040px,96vw);max-height:90vh;overflow:auto;background:white;border-radius:26px;padding:26px;box-shadow:0 35px 90px rgba(0,0,0,.28)}.demo-close{position:absolute;right:18px;top:16px;border:0;background:#eef3fb;width:38px;height:38px;border-radius:50%;font-size:26px;color:#31415f;cursor:pointer}.demo-modal-head{padding-right:48px;margin-bottom:18px}
.teacher-demo-grid{display:grid;grid-template-columns:170px 1fr;border:1px solid var(--line);border-radius:20px;overflow:hidden}.teacher-demo-nav{background:#0f1f3d;padding:18px;display:grid;align-content:start;gap:8px}.teacher-demo-nav button{border:0;background:transparent;color:#aebbd2;text-align:left;padding:10px;border-radius:9px;cursor:pointer}.teacher-demo-nav button.active{background:#2f6df6;color:white}.teacher-demo-main{padding:20px}.teacher-demo-main .demo-stats{margin-top:0}
.student-demo-wrap{display:grid;grid-template-columns:360px 1fr;gap:34px;align-items:center;padding:10px 8px}.phone-mockup{background:#0b1220;border-radius:42px;padding:10px;box-shadow:0 28px 65px rgba(15,31,61,.28);max-width:330px;margin:auto}.phone-notch{width:110px;height:24px;background:#050910;border-radius:0 0 16px 16px;margin:0 auto -4px;position:relative;z-index:2}.phone-screen{min-height:590px;background:#f7f9fd;border-radius:34px;padding:34px 18px 18px}.phone-head{display:flex;justify-content:space-between;font-size:11px;color:#61708a;margin-bottom:28px}.student-state h3{font-size:24px;margin:12px 0 8px}.student-state p{color:var(--muted);font-size:13px}.test-chip{display:inline-flex;padding:6px 9px;border-radius:999px;background:#e8f0ff;color:#2f61d7;font-size:10px;font-weight:800}.answer-option{background:white;border:1px solid var(--line);border-radius:12px;padding:13px;margin:9px 0;font-size:13px}.answer-option.selected{border-color:#2f6df6;background:#eef4ff}.lock-icon,.approved-icon{width:62px;height:62px;border-radius:18px;display:grid;place-items:center;background:#fff1f1;margin-top:80px;font-size:30px}.approved-icon{background:#eafbf1;color:#17a05a;font-weight:900}.student-status{display:block;text-align:center;margin-top:12px;color:#5f6e87;font-size:12px}.student-demo-copy h2{font-size:34px;line-height:1.12;margin:14px 0}.student-demo-copy>p{color:var(--muted)}.approval-panel{background:#f4f8ff;border:1px solid #dbe6ff;border-radius:18px;padding:18px;margin:20px 0}.approval-panel strong,.approval-panel span{display:block}.approval-panel span{font-size:12px;color:var(--muted);margin:5px 0 14px}.approval-panel>div{display:flex;gap:10px}
body.modal-open{overflow:hidden}
@media(max-width:900px){.demo-preview{grid-template-columns:1fr}.student-demo-wrap{grid-template-columns:1fr}.teacher-demo-grid{grid-template-columns:1fr}.teacher-demo-nav{grid-template-columns:repeat(5,1fr);overflow:auto}.demo-stats{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.hero-fit{font-size:14px}.micro-proof-card{padding:14px 15px}.demo-columns,.teacher-demo-panels{grid-template-columns:1fr}.demo-modal{padding:10px}.demo-modal-dialog{padding:18px;border-radius:20px}.demo-topline,.demo-modal-head{flex-direction:column}.phone-mockup{max-width:300px}.phone-screen{min-height:540px}.student-demo-copy h2{font-size:28px}.teacher-demo-nav{grid-template-columns:1fr 1fr}.demo-stats{grid-template-columns:1fr 1fr}}

/* EDUP Analytics */
.analytics-section{background:radial-gradient(circle at 88% 4%,rgba(83,125,255,.12),transparent 24%),linear-gradient(180deg,#fbfdff 0%,#f2f7ff 52%,#fbfdff 100%)}
.analytics-head{text-align:center;max-width:900px;margin:0 auto 58px}.analytics-head h2{font-size:clamp(36px,4.5vw,56px);line-height:1.08;letter-spacing:-.045em;margin:16px 0}.analytics-head h2 span{color:var(--primary)}.analytics-head>p{max-width:760px;margin:0 auto;color:var(--muted);font-size:17px}.analytics-benefits{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:25px}.analytics-benefits span{background:white;border:1px solid #e3eaff;border-radius:999px;padding:8px 12px;color:#466080;font-size:12px;font-weight:700;box-shadow:0 7px 20px rgba(44,77,135,.05)}
.teacher-use-cases{padding:62px 0 66px;background:linear-gradient(180deg,#f7f9fd,#fff)}.use-case-head{text-align:center;max-width:760px;margin:0 auto 28px}.use-case-head h2{margin:14px 0 0;font-size:clamp(28px,3.4vw,43px);line-height:1.12;letter-spacing:-.035em}.analytics-scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.analytics-scenarios article{position:relative;display:grid;grid-template-columns:50px 1fr;align-items:center;gap:15px;min-height:138px;padding:24px 22px;border:1px solid #dce6f6;border-radius:20px;background:#fff;box-shadow:0 13px 34px rgba(35,68,126,.065);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease}.analytics-scenarios article:hover{transform:translateY(-3px);border-color:#a9c2fa;box-shadow:0 18px 42px rgba(35,68,126,.12)}.analytics-scenarios .scenario-number{position:absolute;right:15px;top:13px;color:#8fb0ee;font-size:18px;font-weight:800;letter-spacing:-.03em}.analytics-scenarios i{width:50px;height:50px;display:grid;place-items:center;border-radius:15px;background:linear-gradient(145deg,#eaf2ff,#dce9ff);color:#2666e5;font-size:20px;font-style:normal;font-weight:800}.analytics-scenarios article:nth-child(2) i{background:linear-gradient(145deg,#e9fbf3,#d8f5e7);color:#149b61}.analytics-scenarios article:nth-child(3) i{background:linear-gradient(145deg,#f1edff,#e5ddff);color:#7048d8}.analytics-scenarios p{margin:0;padding-right:18px;color:#263c5d;font-size:14px;font-weight:700;line-height:1.5}
.analytics-blocks{display:grid;gap:32px}.analytics-block{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(360px,.84fr);gap:28px;align-items:center;background:rgba(255,255,255,.7);border:1px solid rgba(222,231,245,.95);border-radius:28px;padding:24px;box-shadow:0 18px 52px rgba(35,68,126,.07)}.analytics-block.reverse .analytics-visual{order:2}.analytics-block.reverse .analytics-copy{order:1}
.analytics-visual{min-width:0;background:#fff;border:1px solid #dfe7f3;border-radius:20px;padding:18px;box-shadow:0 16px 42px rgba(35,69,130,.09)}.mock-top{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-bottom:14px;border-bottom:1px solid #edf1f7}.mock-top div{display:grid}.mock-top small{color:#8491a7;font-size:10px}.mock-top strong{font-size:15px}.mock-top>span{font-size:10px;color:#4771c6;background:#edf4ff;padding:6px 9px;border-radius:999px}.mock-top .green-chip{color:#108c55;background:#e9fbf2}.mock-top .purple-chip{color:#7148d8;background:#f0ebff}
.mock-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:14px 0}.mock-kpis div{background:#f8faff;border:1px solid #eaf0f8;border-radius:12px;padding:11px}.mock-kpis small,.mock-kpis b{display:block}.mock-kpis small{font-size:8px;color:#8c98aa}.mock-kpis b{font-size:17px;margin-top:3px}.mock-split{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mini-chart,.mini-list,.difficulty,.time-card{border:1px solid #e8eef7;border-radius:13px;padding:12px}.mini-chart>strong,.mini-list>strong,.difficulty>strong{display:block;font-size:10px;margin-bottom:10px}.bars{height:105px;display:flex;align-items:end;gap:11px;border-bottom:1px solid #dce4f1;padding:0 8px}.bars i{flex:1;min-height:15px;border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,#70a2ff,#2f6df6)}.bars i:nth-child(2){background:linear-gradient(180deg,#ffcf57,#f59e0b)}.bars i:nth-child(3){background:linear-gradient(180deg,#4fd899,#16a36a)}.mini-list>div{display:flex;justify-content:space-between;gap:10px;padding:7px 0;border-top:1px solid #edf1f6;font-size:9px}.mini-list b{color:#13a567}
.block-title{display:flex;align-items:center;gap:14px;margin-bottom:17px}.block-title>span{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;background:#eaf2ff;color:#1768ef;font-size:14px;font-weight:800}.block-title small{display:block;color:#8390a5;font-size:10px;text-transform:uppercase;letter-spacing:.08em}.block-title h3{margin:2px 0 0;font-size:25px;letter-spacing:-.025em}.analytics-feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.analytics-feature{background:#fff;border:1px solid #e4ebf5;border-radius:14px;padding:15px}.analytics-feature b{display:block;font-size:13px;margin-bottom:5px}.analytics-feature p{margin:0;color:#73819a;font-size:11px;line-height:1.55}
.analytics-feature.core{position:relative;border-color:#abc5ff;background:linear-gradient(145deg,#fff,#eef5ff);box-shadow:0 10px 26px rgba(47,109,246,.11)}.analytics-feature.core>span{display:inline-flex;margin-bottom:7px;padding:4px 7px;border-radius:999px;background:#dce9ff;color:#285fcf;font-size:7px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.analytics-feature.core b{font-size:15px;color:#173f91}
.recommend-list{display:grid;gap:8px;margin:14px 0}.recommend-list>div{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid #e8eef7;border-radius:12px;background:#fbfcff}.recommend-list i{width:25px;height:25px;border-radius:9px;display:grid;place-items:center;background:#eaf2ff;color:#1768ef;font-style:normal;font-size:10px;font-weight:800}.recommend-list span{display:grid}.recommend-list b{font-size:10px}.recommend-list small{font-size:8px;color:#8995a7}.weak-zones{border:1px solid #e8eef7;border-radius:13px;padding:12px}.weak-zones>strong{display:block;font-size:10px;margin-bottom:8px}.weak-zones>div{display:grid;grid-template-columns:90px 1fr 30px;align-items:center;gap:8px;font-size:8px;padding:5px 0}.weak-zones em{height:6px;border-radius:999px;background:#edf1f7;overflow:hidden}.weak-zones em i{display:block;height:100%;background:linear-gradient(90deg,#ffbd32,#fa4f68);border-radius:inherit}.weak-zones b{color:#e4495f}
.progress-table{margin:14px 0;border:1px solid #e8eef7;border-radius:13px;overflow:hidden}.progress-table>div{display:grid;grid-template-columns:1.5fr .7fr .7fr .8fr;align-items:center;padding:9px 11px;border-top:1px solid #edf1f6;font-size:9px}.progress-table .table-head{border:0;background:#f7f9fd;color:#8793a7;font-size:8px}.progress-table em{color:#12a267;font-style:normal;font-weight:800}.time-card{display:grid;align-content:center}.time-card small{color:#8995aa;font-size:9px}.time-card strong{font-size:23px;margin:4px 0}.time-card span{color:#12a267;font-size:8px}.difficulty>div{display:grid;grid-template-columns:20px 1fr 30px;gap:6px;align-items:center;font-size:8px;padding:5px 0}.difficulty i{height:6px;background:#edf1f7;border-radius:999px;overflow:hidden}.difficulty em{display:block;height:100%;background:linear-gradient(90deg,#ffba32,#fb4c68);border-radius:inherit}
.readiness-row{display:grid;grid-template-columns:100px 1fr;align-items:center;gap:16px;padding:16px 4px}.readiness-ring{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(#1db875 72%,#e8edf5 0);position:relative}.readiness-ring:after{content:"";position:absolute;inset:11px;background:white;border-radius:50%}.readiness-ring b{position:relative;z-index:1;font-size:20px}.readiness-row strong{font-size:13px}.readiness-row p{font-size:9px;color:#7f8ba0;margin:5px 0}.compare-chart{display:grid;gap:10px;border:1px solid #e8eef7;border-radius:13px;padding:12px}.compare-chart>div{display:grid;grid-template-columns:100px 1fr 60px;gap:8px;align-items:center;font-size:8px}.compare-chart i{position:relative;height:13px;background:#eff3f8;border-radius:4px}.compare-chart em,.compare-chart b{position:absolute;left:0;height:5px;border-radius:999px}.compare-chart em{top:1px;background:#bdd2f8}.compare-chart b{bottom:1px;background:#347cf4}.auto-note{margin-top:10px;background:linear-gradient(135deg,#f4f0ff,#edf4ff);border:1px solid #e3dcff;border-radius:13px;padding:12px}.auto-note b{font-size:10px;color:#6542c6}.auto-note p{margin:4px 0 0;font-size:8px;color:#687690;line-height:1.55}
.analytics-cta{margin-top:34px;padding:34px;border-radius:25px;background:linear-gradient(135deg,#fff,#eef4ff);border:1px solid #dfe8f8;display:flex;align-items:center;justify-content:space-between;gap:30px}.analytics-cta h3{max-width:700px;margin:12px 0 0;font-size:clamp(22px,2.6vw,32px);line-height:1.2;letter-spacing:-.025em}.analytics-cta-actions{display:flex;gap:10px;flex:0 0 auto}
@media(max-width:980px){.analytics-block,.analytics-block.reverse{grid-template-columns:1fr}.analytics-block.reverse .analytics-visual,.analytics-block.reverse .analytics-copy{order:initial}.analytics-block .analytics-visual{order:1}.analytics-block .analytics-copy{order:2}.analytics-cta{align-items:flex-start;flex-direction:column}.analytics-cta-actions{flex-wrap:wrap}}
@media(max-width:800px){.analytics-scenarios{grid-template-columns:1fr}.analytics-scenarios article{min-height:112px}}
@media(max-width:600px){.analytics-head{margin-bottom:36px}.analytics-head>p{font-size:15px}.analytics-block{padding:13px;border-radius:21px}.analytics-visual{padding:12px}.analytics-feature-grid{grid-template-columns:1fr}.mock-kpis{grid-template-columns:1fr 1fr}.mock-kpis div:last-child{grid-column:1/-1}.mock-split{grid-template-columns:1fr}.analytics-cta{padding:24px}.analytics-cta-actions{width:100%;display:grid}.analytics-cta-actions .btn{width:100%}.weak-zones>div{grid-template-columns:80px 1fr 28px}.compare-chart>div{grid-template-columns:85px 1fr}.compare-chart small{grid-column:2}.readiness-row{grid-template-columns:82px 1fr}.readiness-ring{width:76px;height:76px}}

/* Advanced Analytics */
.advanced-section{background:#fff;padding-top:88px}.advanced-head{max-width:850px;margin:0 auto 42px;text-align:center}.advanced-badge{display:inline-flex;padding:8px 12px;border-radius:999px;background:linear-gradient(135deg,#ede8ff,#e7f0ff);color:#6843db;font-size:12px;font-weight:800;letter-spacing:.02em}.advanced-head h2{font-size:clamp(34px,4.2vw,52px);line-height:1.08;letter-spacing:-.04em;margin:17px 0}.advanced-head>p{max-width:750px;margin:0 auto;color:var(--muted);font-size:17px}.advanced-head>small{display:inline-block;margin-top:18px;padding:9px 13px;border:1px solid #e4e9f4;border-radius:10px;background:#fafbfe;color:#7c889d;font-size:11px}
.advanced-bundle{display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:28px;margin-bottom:20px;padding:25px 27px;border:1px solid #c9d6ff;border-radius:21px;background:linear-gradient(125deg,#102c67,#315fd1 62%,#7651e8);color:#fff;box-shadow:0 20px 48px rgba(44,83,176,.22)}.advanced-bundle span{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:#cbdcff}.advanced-bundle h3{font-size:25px;margin:3px 0}.advanced-bundle p{margin:0;color:#dce6ff;font-size:12px}.bundle-prices{display:grid;gap:5px;text-align:right}.bundle-prices small{color:#d8e2fb;font-size:10px}.bundle-prices strong{font-size:23px}.bundle-prices em{font-size:11px;font-style:normal;color:#d8e2fb}.bundle-button{border:1px solid rgba(255,255,255,.4);border-radius:12px;padding:12px 16px;background:#fff;color:#214aa8;font:inherit;font-size:12px;font-weight:800;cursor:pointer;white-space:nowrap}.bundle-button:hover{transform:translateY(-1px);box-shadow:0 10px 25px rgba(5,21,60,.18)}
.advanced-options-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:28px 2px 13px;color:#718099}.advanced-options-head span{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}.advanced-options-head strong{font-size:13px;color:#43536c}.advanced-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.advanced-card{position:relative;min-height:190px;display:flex;align-items:flex-start;gap:13px;padding:18px;background:#fbfcfe;border:1px solid #e8edf5;border-radius:17px;box-shadow:none}.advanced-card>div{display:flex;flex:1;align-self:stretch;flex-direction:column;min-width:0}.advanced-card.featured{border-color:#dce4f4;background:linear-gradient(145deg,#fff,#f8faff);box-shadow:0 7px 20px rgba(57,91,174,.055)}.advanced-icon{width:39px;height:39px;flex:0 0 39px;display:grid;place-items:center;border-radius:12px;background:#f0f3f8;color:#647895;font-size:12px;font-weight:800}.advanced-card.featured .advanced-icon{background:#e8eefb;color:#4770c8}.advanced-card h3{font-size:14px;line-height:1.3;margin:1px 0 6px}.advanced-card p{margin:0;color:#748198;font-size:11px;line-height:1.55}.advanced-label{position:absolute;right:12px;top:10px;padding:4px 7px;border-radius:999px;background:#f0edf8;color:#78699c;font-size:8px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}.advanced-card.featured h3{padding-right:56px}.advanced-price{display:flex!important;flex-direction:row!important;align-items:center;justify-content:space-between;gap:9px;margin-top:auto;padding-top:14px}.advanced-price b{font-size:13px;color:#43536c;white-space:nowrap}.advanced-price b small{font-size:9px;color:#96a0b0;font-weight:600}.advanced-price button{border:1px solid #dce3ee;border-radius:9px;padding:7px 9px;background:transparent;color:#617089;font:inherit;font-size:9px;font-weight:800;cursor:pointer}.advanced-price button:hover{background:#edf3ff;border-color:#c5d5f5;color:#2f61d7}.advanced-choice{margin-top:21px;padding:18px 21px;border-radius:15px;background:#f6f8fc;border:1px solid #e3e9f3;text-align:center}.advanced-choice strong{font-size:14px}.advanced-choice p{margin:5px auto 0;max-width:760px;color:#718099;font-size:12px}
.advanced-cta{margin-top:30px;display:flex;align-items:center;justify-content:center;gap:20px}.advanced-secondary{color:#65748c;font-size:13px;font-weight:700;border-bottom:1px solid #cbd4e2;padding:7px 2px}.advanced-secondary:hover{color:var(--primary)}
@media(max-width:950px){.advanced-bundle{grid-template-columns:1fr auto}.advanced-bundle .bundle-button{grid-column:1/-1}.advanced-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.advanced-section{padding-top:66px}.advanced-head{margin-bottom:30px}.advanced-head>p{font-size:15px}.advanced-bundle{grid-template-columns:1fr;gap:15px;padding:22px}.bundle-prices{text-align:left}.advanced-bundle .bundle-button{grid-column:auto;width:100%}.advanced-grid{grid-template-columns:1fr}.advanced-card{min-height:180px}.advanced-cta{align-items:stretch;flex-direction:column;text-align:center}.advanced-cta .btn{width:100%}}

/* Interactive teacher demo pages */
.teacher-demo-tab{display:none}
.teacher-demo-tab.active{display:block}

.demo-page-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  margin-bottom:18px;
}

.demo-page-head h3{
  margin:0;
  font-size:24px;
}

.demo-page-head p{
  margin:4px 0 0;
  color:var(--muted);
  font-size:12px;
}

.demo-fake-action{
  border:0;
  background:#eef4ff;
  color:#2f61d7;
  padding:10px 14px;
  border-radius:10px;
  font-weight:700;
  cursor:pointer;
}

.demo-fake-action:disabled{
  opacity:.7;
  cursor:default;
}

.demo-table{
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  background:white;
}

.demo-table-row{
  display:grid;
  grid-template-columns:1.4fr 1fr .8fr 1fr;
  gap:12px;
  align-items:center;
  padding:14px 16px;
  border-top:1px solid #edf1f6;
  font-size:12px;
}

.demo-table-row:first-child{
  border-top:0;
}

.demo-table-head{
  background:#f7f9fd;
  color:#72809a;
  font-weight:700;
}

.demo-table-row b{
  color:#8a5a16;
}

.demo-table-row b.good{
  color:#159b58;
}

.demo-card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
}

.demo-mini-card{
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  background:#f9fbff;
}

.demo-mini-card strong,
.demo-mini-card span,
.demo-mini-card small{
  display:block;
}

.demo-mini-card strong{
  margin-bottom:12px;
}

.demo-mini-card span{
  color:#34435d;
  font-size:13px;
}

.demo-mini-card small{
  margin-top:8px;
  color:var(--muted);
}

@media(max-width:700px){
  .demo-page-head{
    align-items:flex-start;
    flex-direction:column;
  }

  .demo-table{
    overflow-x:auto;
  }

  .demo-table-row{
    min-width:620px;
  }

  .demo-card-grid{
    grid-template-columns:1fr;
  }
}

/* Demo test detail */
.demo-test-row{
  width:100%;
  border-left:0;
  border-right:0;
  border-bottom:0;
  background:#fff;
  text-align:left;
  cursor:pointer;
  font-family:inherit;
}

.demo-test-row:hover{
  background:#f7faff;
}

.demo-test-detail-head,
.demo-test-hero,
.demo-result-list-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.demo-test-detail-head{
  margin-bottom:18px;
}

.demo-back-btn{
  border:0;
  background:transparent;
  color:#2f61d7;
  font-weight:800;
  cursor:pointer;
  padding:0;
}

.demo-test-status{
  padding:7px 10px;
  border-radius:999px;
  background:#eaf8ef;
  color:#13854a;
  font-size:11px;
  font-weight:800;
}

.demo-test-hero{
  margin-bottom:20px;
}

.demo-test-hero h3{
  margin:8px 0 6px;
  font-size:26px;
}

.demo-test-hero p{
  margin:0;
  color:var(--muted);
  font-size:13px;
}

.demo-test-settings{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:12px;
  margin-bottom:18px;
}

.demo-setting-card{
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;
  background:#f9fbff;
}

.demo-setting-card span,
.demo-setting-card strong{
  display:block;
}

.demo-setting-card span{
  color:var(--muted);
  font-size:11px;
  margin-bottom:6px;
}

.demo-setting-card strong{
  font-size:13px;
}

.demo-test-layout{
  display:grid;
  grid-template-columns:1.5fr .8fr;
  gap:16px;
  margin-bottom:18px;
}

.demo-question-card,
.demo-side-card,
.demo-result-list{
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
}

.demo-question-card{
  padding:18px;
}

.demo-question-top{
  display:flex;
  justify-content:space-between;
  color:var(--muted);
  font-size:11px;
}

.demo-question-card h4{
  font-size:18px;
  margin:18px 0;
}

.demo-answer-list{
  display:grid;
  gap:10px;
}

.demo-answer-list button{
  text-align:left;
  border:1px solid #e0e6f0;
  background:#f8faff;
  border-radius:12px;
  padding:12px 14px;
  font-weight:700;
  color:#28364e;
}

.demo-answer-list button.correct{
  border-color:#8dc5a8;
  background:#effaf3;
  color:#18814b;
}

.demo-question-footer{
  display:flex;
  justify-content:space-between;
  gap:12px;
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid #edf1f6;
  font-size:11px;
  color:var(--muted);
}

.demo-test-side{
  display:grid;
  gap:14px;
}

.demo-side-card{
  padding:16px;
}

.demo-side-card h4{
  margin:0 0 10px;
}

.demo-side-card p{
  margin:0 0 14px;
  font-size:12px;
  line-height:1.6;
  color:var(--muted);
}

.demo-switch-row,
.demo-result-line{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}

.demo-switch-row{
  padding-top:10px;
  border-top:1px solid #edf1f6;
  font-size:12px;
  font-weight:700;
}

.demo-result-line{
  padding:9px 0;
  border-top:1px solid #edf1f6;
  font-size:12px;
}

.demo-result-line:first-of-type{
  border-top:0;
}

.demo-result-list{
  overflow:hidden;
}

.demo-result-list-head{
  padding:14px 16px;
  background:#f7f9fd;
}

.demo-result-list-head h4{
  margin:0;
}

.demo-result-list-head span{
  color:var(--muted);
  font-size:10px;
}

.demo-result-student{
  display:grid;
  grid-template-columns:1fr auto auto;
  gap:18px;
  align-items:center;
  padding:13px 16px;
  border-top:1px solid #edf1f6;
}

.demo-result-student b{
  color:#245fd7;
}

.demo-result-student small{
  color:var(--muted);
}

@media(max-width:800px){
  .demo-test-settings{
    grid-template-columns:repeat(2,1fr);
  }

  .demo-test-layout{
    grid-template-columns:1fr;
  }

  .demo-test-hero{
    align-items:flex-start;
    flex-direction:column;
  }
}

@media(max-width:520px){
  .demo-test-settings{
    grid-template-columns:1fr;
  }

  .demo-question-footer{
    flex-direction:column;
  }
}

/* Demo create test modal */
.demo-create-modal[hidden]{
  display:none;
}

.demo-create-modal{
  position:fixed;
  inset:0;
  z-index:9999;
  display:grid;
  place-items:center;
  padding:20px;
}

.demo-create-backdrop{
  position:absolute;
  inset:0;
  background:rgba(13,25,48,.55);
  backdrop-filter:blur(4px);
}

.demo-create-dialog{
  position:relative;
  z-index:1;
  width:min(520px,100%);
  background:#fff;
  border-radius:22px;
  box-shadow:0 24px 80px rgba(20,45,90,.25);
  padding:24px;
}

.demo-create-head{
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:flex-start;
  margin-bottom:20px;
}

.demo-create-head h3{
  margin:6px 0 0;
  font-size:26px;
}

.demo-create-close{
  width:36px;
  height:36px;
  border:0;
  border-radius:10px;
  background:#f1f5fb;
  font-size:24px;
  cursor:pointer;
}

.demo-create-form{
  display:grid;
  gap:14px;
}

.demo-create-form label{
  display:grid;
  gap:7px;
}

.demo-create-form label > span{
  font-size:12px;
  font-weight:800;
  color:#43506a;
}

.demo-create-form input,
.demo-create-form select{
  width:100%;
  box-sizing:border-box;
  border:1px solid #dfe6f0;
  border-radius:12px;
  padding:12px 13px;
  font:inherit;
  background:#fff;
}

.demo-protected-toggle{
  grid-template-columns:1fr auto;
  align-items:center;
  border:1px solid #e3e9f2;
  border-radius:14px;
  padding:13px 14px;
  background:#f8faff;
}

.demo-protected-toggle strong,
.demo-protected-toggle small{
  display:block;
}

.demo-protected-toggle small{
  margin-top:3px;
  color:var(--muted);
}

.demo-create-note{
  margin-top:16px;
  padding:12px 14px;
  border-radius:12px;
  background:#fff8e8;
  color:#8a6616;
  font-size:12px;
  font-weight:700;
}

.demo-create-actions{
  display:flex;
  justify-content:flex-end;
  gap:10px;
  margin-top:20px;
}

@media(max-width:520px){
  .demo-create-dialog{
    padding:18px;
    border-radius:18px;
  }

  .demo-create-actions{
    flex-direction:column-reverse;
  }

  .demo-create-actions .btn{
    width:100%;
  }
}

/* Student test warning */
.student-test-warning{
  display:flex;
  gap:10px;
  align-items:flex-start;
  margin:14px 0 18px;
  padding:12px 13px;
  border-radius:14px;
  background:#fff8e8;
  border:1px solid #f3dfad;
}

.student-test-warning-icon{
  flex:0 0 24px;
  width:24px;
  height:24px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:#e7a72c;
  color:#fff;
  font-size:13px;
  font-weight:900;
}

.student-test-warning strong,
.student-test-warning span{
  display:block;
}

.student-test-warning strong{
  color:#5d471b;
  font-size:11px;
  line-height:1.4;
  margin-bottom:4px;
}

.student-test-warning span{
  color:#806a3c;
  font-size:9px;
  line-height:1.45;
}