:root{--ed-bg: #f8fafc;--ed-surface: #ffffff;--ed-surface-elevated: #f1f5f9;--ed-text: #0f172a;--ed-text-secondary: #64748b;--ed-primary: #2563eb;--ed-primary-hover: #1d4ed8;--ed-success: #16a34a;--ed-warning: #d97706;--ed-danger: #dc2626;--ed-border: #dfe7f1;--ed-focus: rgba(37, 99, 235, .28);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-14: 56px;--space-16: 64px;--radius-sm: 8px;--radius-md: 12px;--radius-card: 14px;--radius-panel: 16px;--font-xs: .78rem;--font-sm: .9rem;--font-base: 1rem;--font-md: 1.12rem;--font-lg: 1.35rem;--font-xl: 2.05rem;--font-hero: 4.3rem;--shadow-card: 0 12px 30px rgba(15, 23, 42, .07);--shadow-float: 0 24px 70px rgba(15, 23, 42, .13);--control-h: 48px;--bp-mobile: 640px;--bp-tablet: 1024px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--ed-text);background:var(--ed-bg)}*{box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{margin:0;min-width:320px;background:var(--ed-bg);overflow-x:hidden}body,button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button,input,select,textarea,a{outline:none}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{box-shadow:0 0 0 4px var(--ed-focus)}button{cursor:pointer}button:disabled,.btn:disabled{cursor:not-allowed;opacity:.62;transform:none}img{max-width:100%;display:block}.brand-logo{width:142px;height:auto}.brand-compact{width:124px}.site{overflow-x:hidden}.site-header{position:sticky;z-index:30;top:0;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:var(--space-6);width:min(1180px,calc(100% - 40px));min-height:76px;margin:0 auto;border-bottom:1px solid rgba(223,231,241,.76);background:#f8fafceb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.logo-link{display:inline-flex;align-items:center}.site-nav{display:flex;justify-content:center;gap:var(--space-6);color:var(--ed-text-secondary);font-weight:650}.site-nav a:hover{color:var(--ed-text)}.header-actions,.hero-actions,.button-row{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}.menu-button{display:none;width:44px;height:44px;border:0;background:transparent;color:var(--ed-text)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:var(--control-h);padding:0 var(--space-5);border:1px solid transparent;border-radius:var(--radius-sm);font-weight:750;line-height:1;transition:background .18s ease,border-color .18s ease,transform .18s ease}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--ed-primary);color:#fff}.btn-primary:hover{background:var(--ed-primary-hover)}.btn-secondary{background:var(--ed-surface);color:var(--ed-text);border-color:var(--ed-border)}.btn-ghost{background:transparent;color:var(--ed-text-secondary)}.btn-success{background:var(--ed-success);color:#fff}.btn-full{width:100%}.badge{display:inline-flex;align-items:center;min-height:30px;width:fit-content;border-radius:999px;padding:0 12px;font-size:var(--font-xs);font-weight:800;color:#1e40af;background:#dbeafe}.badge-green{color:#166534;background:#dcfce7}.badge-warning{color:#92400e;background:#fef3c7}.card{background:var(--ed-surface);border:1px solid var(--ed-border);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}.card h3,.card h2,.card h1{margin-top:0}.card p{color:var(--ed-text-secondary);line-height:1.65}.hero{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);align-items:center;gap:var(--space-12);width:min(1180px,calc(100% - 40px));min-height:min(760px,calc(100vh - 76px));max-height:780px;margin:0 auto;padding:var(--space-12) 0 var(--space-16)}.hero-copy h1{margin:18px 0;font-size:clamp(3.05rem,5.2vw,var(--font-hero));line-height:.98;letter-spacing:0}.hero-copy p{max-width:650px;color:var(--ed-text-secondary);font-size:1.22rem;line-height:1.65}.hero-visual{position:relative;min-height:565px;display:flex;align-items:center;justify-content:center}.hero-visual .phone-preview{position:absolute;left:0;top:28px;z-index:2;transform:rotate(-2.5deg)}.hero-visual .school-preview{position:absolute;right:0;bottom:30px;width:min(470px,80%)}.phone-preview{width:306px;padding:12px;border:1px solid #cbd5e1;border-radius:30px;background:#111827;box-shadow:var(--shadow-float)}.phone-top{display:flex;justify-content:center;align-items:center;height:34px;color:#e5e7eb;font-size:var(--font-sm)}.phone-top span{position:absolute;width:72px;height:20px;border-radius:999px;background:#020617}.phone-top strong{position:relative;z-index:1}.telegram-screen{overflow:hidden;border-radius:22px;background:linear-gradient(180deg,#eaf4ff,#dbeafe);padding:9px}.bot-profile,.message,.quick-grid,.message-card{background:#fff}.bot-profile{display:flex;gap:var(--space-3);align-items:center;padding:14px;border-radius:17px 17px 10px 10px}.tg-date{width:fit-content;margin:10px auto;padding:4px 10px;border-radius:999px;background:#0f172a1f;color:#fff;font-size:.72rem;font-weight:800}.bot-profile span,.school-preview span,.school-preview small{color:var(--ed-text-secondary);font-size:var(--font-sm)}.school-avatar{display:inline-flex;align-items:center;justify-content:center;flex:0 0 46px;width:46px;height:46px;border-radius:14px;color:#fff;font-weight:850;object-fit:cover}.message{max-width:88%;margin:10px 0;padding:11px 13px;border-radius:15px;line-height:1.45;font-size:var(--font-sm)}.message.incoming{margin-left:0;background:#eff6ff}.message.outgoing{margin-left:auto;background:var(--school-accent, var(--ed-primary));color:#fff}.message.small{font-size:.84rem}.message p{margin:6px 0 0}.message-card{margin:10px 0;padding:12px;border-radius:15px;font-size:var(--font-sm)}.message-card div{display:flex;align-items:center;gap:8px;color:var(--ed-text)}.message-card svg{color:var(--school-accent, var(--ed-primary))}.message-card p{margin:8px 0 0;color:var(--ed-text-secondary);line-height:1.45}.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:7px;padding:9px;border-radius:14px}.quick-grid button{min-height:40px;border:0;border-radius:10px;color:#fff;background:var(--school-accent, var(--ed-primary));font-weight:750}.school-preview{padding:22px;border:1px solid var(--ed-border);border-radius:var(--radius-panel);background:#fff;box-shadow:var(--shadow-float)}.school-preview-head{display:flex;gap:14px;align-items:center;margin-bottom:20px}.school-preview-head>div{min-width:0}.school-preview-head strong,.school-preview-head span{display:block;overflow-wrap:anywhere}.school-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}.school-stat-grid div{padding:13px;border-radius:12px;background:#f8fafc}.school-stat-grid strong{display:block;margin-top:4px;font-size:1.32rem}.panel-highlight{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px;margin-bottom:8px;border-radius:13px;background:#f8fafc}.panel-highlight strong,.panel-highlight span{display:block}.lesson-row{display:grid;grid-template-columns:58px 1fr auto;align-items:center;gap:12px;min-height:58px;border-top:1px solid var(--ed-border)}.lesson-row span{color:var(--school-accent, var(--ed-primary));font-weight:800}.value-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-3);width:min(1180px,calc(100% - 40px));margin:0 auto;padding:0 0 var(--space-8)}.value-strip div{display:flex;gap:10px;align-items:center;min-height:64px;padding:14px;border:1px solid var(--ed-border);border-radius:14px;color:var(--ed-text);background:#ffffffc2;font-weight:750}.value-strip svg,.feature-card svg{color:var(--ed-primary)}.section{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:var(--space-12) 0}.section-title{max-width:700px;margin-bottom:var(--space-8)}.section-title span{color:var(--ed-primary);font-weight:850}.section-title h2,.section-title h1{margin:8px 0 0;font-size:var(--font-xl);line-height:1.1;letter-spacing:0}.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-5)}.three-grid .card,.feature-card{padding:var(--space-6)}.number{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:50%;background:#dbeafe;color:var(--ed-primary);font-weight:900}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-4)}.feature-card{min-height:238px;display:flex;flex-direction:column}.feature-icon{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:#eff6ff;color:var(--ed-primary)}.feature-card h3{margin:18px 0 8px}.feature-card p{margin-bottom:auto}.feature-snippet{margin-top:14px;padding:10px 12px;border-radius:10px;background:#f8fafc;color:var(--ed-text);font-size:var(--font-sm);font-weight:800}.preview-section{text-align:center}.preview-section .section-title{margin-left:auto;margin-right:auto}.segmented{display:inline-flex;gap:4px;min-height:48px;padding:4px;border:1px solid var(--ed-border);border-radius:12px;background:#fff}.segmented button{min-height:40px;padding:0 16px;border:0;border-radius:9px;background:transparent;color:var(--ed-text-secondary);font-weight:800}.segmented .active{background:var(--ed-primary);color:#fff}.large-preview{display:flex;justify-content:center;margin-top:var(--space-8);padding:var(--space-6);border-radius:var(--radius-panel);background:linear-gradient(135deg,#eaf1fb,#f8fafc)}.product-duo{position:relative;width:min(880px,100%);min-height:470px}.duo-phone{position:absolute;left:8%;top:12px;z-index:2}.duo-panel{position:absolute;right:3%;bottom:20px;width:min(620px,72%);text-align:left}.product-duo.dashboard-active .duo-phone{left:2%;top:52px;transform:scale(.88);opacity:.64}.product-duo.dashboard-active .duo-panel{right:8%;width:min(680px,78%);z-index:3}.security-band{display:grid;grid-template-columns:1fr .8fr;gap:var(--space-8);align-items:center;padding:var(--space-10);border-radius:var(--radius-panel);background:#fff;border:1px solid var(--ed-border)}.security-band h2{font-size:var(--font-xl);margin:16px 0}.security-band p{color:var(--ed-text-secondary);line-height:1.65}.security-list{display:grid;gap:var(--space-3)}.security-list div,.security-note{display:flex;gap:11px;align-items:flex-start;padding:13px;border-radius:12px;background:#f0fdf4;color:#14532d;font-weight:700}.security-note{margin:16px 0}.security-note p{margin:0;color:inherit;line-height:1.55;font-weight:650}.link-button{border:0;background:transparent;color:var(--ed-primary);font-weight:800;padding:0;margin-bottom:18px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;place-items:center;padding:20px;background:#0f172a57}.modal-card{position:relative;width:min(460px,100%);padding:var(--space-6);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-float)}.modal-card p{color:var(--ed-text-secondary);line-height:1.6}.modal-close{position:absolute;top:14px;right:14px;display:inline-flex;border:0;background:transparent;color:var(--ed-text-secondary)}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-5)}.pricing-card{padding:var(--space-6);display:flex;flex-direction:column;min-height:370px}.pricing-card.recommended{border-color:#2563eb8c;box-shadow:0 18px 50px #2563eb24}.pricing-card.selected{outline:4px solid var(--ed-focus)}.pricing-top{display:flex;justify-content:space-between;gap:var(--space-3);align-items:center}.price{min-height:54px;font-weight:800;color:var(--ed-text)!important}.pricing-card ul{padding:0;list-style:none;display:grid;gap:12px;margin-bottom:auto}.pricing-card li{display:flex;gap:9px;align-items:center;color:var(--ed-text-secondary)}.pricing-card li svg{color:var(--ed-success);flex:0 0 auto}.faq{max-width:1020px}.faq .section-title{margin-left:auto;margin-right:auto;text-align:center}.faq-list{display:grid;gap:10px}.faq-list details{border:1px solid var(--ed-border);border-radius:14px;background:#fff;padding:18px 20px}.faq-list summary{cursor:pointer;font-weight:820}.faq-list p{color:var(--ed-text-secondary);line-height:1.65}.final-cta{width:min(1180px,calc(100% - 40px));margin:var(--space-4) auto var(--space-10);padding:var(--space-8);display:flex;justify-content:space-between;align-items:center;gap:var(--space-6);border-radius:var(--radius-panel);background:#0f172a;color:#fff}.final-cta h2{font-size:var(--font-xl);margin:0}.final-cta div{display:flex;gap:var(--space-3);flex-wrap:wrap}.app-shell{display:grid;grid-template-columns:252px 1fr;min-height:100vh;min-width:0}.onboarding-side{position:sticky;top:0;height:100vh;padding:var(--space-6);border-right:1px solid var(--ed-border);background:#fff;min-width:0}.side-brand{border:0;background:transparent;padding:0;margin-bottom:var(--space-8)}.onboarding-side nav{display:grid;gap:8px}.onboarding-side button:not(.side-brand){display:flex;align-items:center;gap:10px;min-height:44px;border:0;border-radius:11px;background:transparent;color:var(--ed-text-secondary);font-weight:750;text-align:left}.onboarding-side button span{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:#eef2f7}.onboarding-side .completed{color:var(--ed-text)}.onboarding-side .completed span{background:#dcfce7;color:var(--ed-success)}.onboarding-side .current{background:#eff6ff;color:var(--ed-primary)}.onboarding-side .current span{background:var(--ed-primary);color:#fff}.onboarding-main{padding:var(--space-8);width:min(1180px,100%);min-width:0;max-width:100%}.mobile-progress{display:none}.onboarding-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,.72fr);gap:var(--space-6);align-items:start}.onboarding-grid.narrow{grid-template-columns:minmax(0,560px) minmax(260px,380px);justify-content:center;margin-top:7vh}.form-card,.preview-card,.payment-card,.success-card{padding:var(--space-8)}.reassurance{padding:var(--space-5);align-self:start;max-width:340px;background:#fbfdff}.reassurance h2{font-size:1.14rem;line-height:1.2}.reassurance p{font-size:var(--font-sm);line-height:1.55}.form-card h1,.success-card h1{font-size:var(--font-xl);line-height:1.1;margin:14px 0}.field{display:grid;gap:8px;margin:16px 0;font-weight:750}.field input,.field select,.field textarea,.password-wrap input{width:100%;min-height:var(--control-h);border:1px solid var(--ed-border);border-radius:var(--radius-sm);padding:0 14px;background:#fff;color:var(--ed-text)}.field textarea{min-height:106px;padding-top:13px;resize:vertical}.select-wrap,.password-wrap{position:relative;display:block}.select-wrap svg,.password-wrap button{position:absolute;top:50%;right:12px;transform:translateY(-50%)}.select-wrap select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:42px}.password-wrap input{padding-right:52px}.password-wrap button{display:inline-flex;border:0;background:transparent;color:var(--ed-text-secondary)}.password-wrap button:disabled{opacity:.4;cursor:not-allowed}.color-picker-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.color-swatch{width:38px;height:38px;border:3px solid white;border-radius:50%;box-shadow:0 0 0 1px var(--ed-border)}.color-swatch.selected{box-shadow:0 0 0 3px var(--ed-focus)}.color-input{width:58px!important;min-height:42px!important;padding:4px!important}.login-link{display:flex;width:fit-content;margin-top:18px;color:var(--ed-primary);font-weight:750}.reassurance svg{color:var(--ed-primary)}.sticky{position:sticky;top:28px}.upload-box,.drop-zone{display:grid;place-items:center;gap:10px;min-height:150px;border:1px dashed #9db4d1;border-radius:14px;background:#f8fbff;color:var(--ed-primary);font-weight:800}.upload-box input{display:none}.drop-zone span{color:var(--ed-text-secondary);font-weight:650}.alert{padding:14px;border-radius:12px;line-height:1.55;font-weight:650}.alert-blue{color:#1e3a8a;background:#eef5ff}.alert-green{color:#14532d;background:#dcfce7}.alert-warning{color:#92400e;background:#fef3c7}.simple-steps{display:grid;gap:12px;margin:22px 0}.simple-steps div{display:flex;align-items:center;gap:13px;min-height:58px;padding:12px;border:1px solid var(--ed-border);border-radius:13px;background:#f8fafc}.simple-steps span{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--ed-primary);color:#fff;font-weight:900}.simple-steps p{margin:0;color:var(--ed-text);font-weight:750}.toast{margin-top:14px;padding:13px;border-radius:12px;background:#ecfdf5;color:#14532d;font-weight:750}.center{justify-content:center}.center-card{max-width:620px;margin:8vh auto 0;text-align:center}.success-card{width:100%;max-width:820px;margin:7vh auto 0;text-align:center}.big-check{display:inline-flex;width:86px;height:86px;align-items:center;justify-content:center;border-radius:50%;background:#dcfce7;color:var(--ed-success)}.connected-bot{display:flex;align-items:center;justify-content:center;gap:var(--space-4);margin:var(--space-8) 0;padding:var(--space-5);border:1px solid var(--ed-border);border-radius:14px}.connected-bot span{color:var(--ed-text-secondary);display:block}.progress-block{margin:16px 0}.progress-meta{display:flex;justify-content:space-between;color:var(--ed-text-secondary);font-weight:750;margin-bottom:8px}.progress-track{height:10px;overflow:hidden;border-radius:999px;background:#e2e8f0}.progress-track span{display:block;height:100%;border-radius:inherit;background:var(--ed-primary);transition:width .35s ease}.checklist,.launch-list{display:grid;gap:10px}.check-item,.launch-list div{display:flex;align-items:center;gap:12px;width:100%;min-height:52px;padding:12px;border:1px solid var(--ed-border);border-radius:12px;background:#fff;color:var(--ed-text);text-align:left}.check-item span,.launch-list span{display:inline-flex;align-items:center;justify-content:center;flex:0 0 28px;height:28px;border-radius:50%;border:1px solid #cbd5e1}.check-item.is-checked span,.launch-list .done span{background:var(--ed-success);border-color:var(--ed-success);color:#fff}.launch-list .active{border-color:var(--ed-primary);background:#eff6ff;box-shadow:inset 4px 0 0 var(--ed-primary)}.launch-list .active span{border-color:var(--ed-primary);background:#fff}.launch-list .active span:after{content:"";width:8px;height:8px;border-radius:50%;background:var(--ed-primary)}.wide-card{max-width:920px;margin:0 auto}.readiness-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:var(--space-6);align-items:start;max-width:980px;margin:0 auto}.readiness-checklist{min-width:0}.progress-card{padding:var(--space-6);position:sticky;top:28px}.progress-card h2{margin:0}.progress-card p{color:var(--ed-text-secondary);line-height:1.55}.loading-screen{min-height:100vh;display:grid;place-items:center;align-content:center;gap:var(--space-4);color:var(--ed-text-secondary)}.field-hint{margin:-8px 0 12px;color:var(--ed-text-secondary);font-size:var(--font-sm);line-height:1.5}.side-logout{display:inline-flex;align-items:center;gap:8px;min-height:42px;margin-top:auto;border:1px solid var(--ed-border);border-radius:var(--radius-sm);background:#fff;color:var(--ed-text-secondary)}.schools-head{display:flex;justify-content:space-between;align-items:center;gap:var(--space-4);margin-bottom:var(--space-5)}.schools-head h1{margin-bottom:0}.school-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-4)}.school-select-card{display:grid;gap:var(--space-3);min-height:220px;padding:var(--space-5);border:1px solid var(--ed-border);border-radius:var(--radius-card);background:#fff;text-align:left}.school-select-card strong{font-size:var(--font-md)}.school-select-card span{color:var(--ed-text-secondary);overflow-wrap:anywhere}.school-select-card em{color:var(--ed-primary);font-style:normal;font-weight:800}.import-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0 0 var(--space-5)}.import-summary div{padding:14px;border-radius:12px}.import-summary strong,.import-summary span{display:block}.import-summary span{margin-top:4px;font-size:var(--font-sm)}.status-ready{background:#f0fdf4;color:#14532d}.status-warning{background:#fff7ed;color:#9a3412}.manual-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4);margin-top:var(--space-5)}.table-wrap{overflow-x:auto;margin:var(--space-6) 0;border:1px solid var(--ed-border);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:620px;background:#fff}th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--ed-border)}th{color:var(--ed-text-secondary);font-size:var(--font-sm)}.payment-card{display:grid;grid-template-columns:1fr 1fr auto;gap:var(--space-5);align-items:center;margin-top:var(--space-6)}.success-main{min-height:100vh;padding:var(--space-8);display:grid;place-items:center}.destination-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4);margin:var(--space-8) 0}.destination-grid a{display:grid;gap:10px;justify-items:center;min-height:170px;padding:var(--space-6);border:1px solid var(--ed-border);border-radius:16px;background:#f8fafc}.destination-grid svg{color:var(--ed-primary)}.destination-grid span{color:var(--ed-text-secondary)}.next-links{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.next-links button{min-height:42px;padding:0 14px;border:1px solid var(--ed-border);border-radius:999px;background:#fff;font-weight:750}@media(max-width:1100px){:root{--font-hero: 3.55rem}.site-header{grid-template-columns:auto auto;justify-content:space-between}.menu-button{display:inline-flex;align-items:center;justify-content:center;justify-self:end}.site-nav{display:none;grid-column:1 / -1;width:100%;flex-direction:column;gap:0;padding:8px 0 14px}.site-nav.open{display:flex}.site-nav a{min-height:44px;display:flex;align-items:center}.header-actions{display:none}.hero{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);min-height:auto;max-height:none;padding-top:var(--space-10);gap:var(--space-8)}.hero-copy h1{font-size:clamp(2.85rem,5vw,3.55rem);line-height:1.02}.hero-visual{min-height:500px}.hero-visual .phone-preview{width:252px;left:auto;right:0;top:20px}.hero-visual .school-preview{left:0;right:auto;bottom:42px;width:min(420px,82%)}.value-strip,.feature-grid{grid-template-columns:repeat(2,1fr)}.app-shell{grid-template-columns:204px 1fr}.onboarding-side{padding:var(--space-5) var(--space-4)}.onboarding-side button:not(.side-brand){font-size:var(--font-sm)}.onboarding-grid.narrow{grid-template-columns:1fr;margin-top:0}.sticky{position:static}.payment-card{grid-template-columns:1fr}}@media(max-width:800px){:root{--font-xl: 1.7rem}.app-shell{grid-template-columns:1fr}.onboarding-side{display:none}.onboarding-main{padding:20px}.mobile-progress{display:block;margin:0 0 var(--space-5);padding:14px 16px;border:1px solid var(--ed-border);border-radius:var(--radius-card);background:#fff}.mobile-progress strong{display:block;margin-bottom:10px}.three-grid,.pricing-grid,.security-band,.destination-grid,.onboarding-grid{grid-template-columns:1fr}.feature-grid{grid-template-columns:1fr 1fr}.hero{grid-template-columns:1fr}.hero-copy h1{font-size:3rem}.hero-visual{min-height:700px;align-items:flex-start}.hero-visual .phone-preview{left:50%;transform:translate(-50%) rotate(-2deg)}.hero-visual .school-preview{left:50%;right:auto;bottom:0;transform:translate(-50%);width:min(430px,96%)}.value-strip,.readiness-layout{grid-template-columns:1fr}.progress-card{order:-1;position:static}}@media(max-width:520px){.site-header,.hero,.value-strip,.section,.final-cta{width:min(100% - 28px,1180px)}.hero{gap:var(--space-6);padding-bottom:var(--space-10)}.hero-copy h1{font-size:2.55rem;line-height:1}.hero-copy p{font-size:1.04rem}.hero-actions,.button-row,.final-cta div{flex-direction:column;align-items:stretch}.btn{width:100%}.hero-visual{min-height:665px}.phone-preview{width:min(292px,100%)}.school-stat-grid{grid-template-columns:1fr}.lesson-row{grid-template-columns:52px 1fr}.lesson-row small{grid-column:2}.feature-grid{grid-template-columns:1fr}.large-preview{padding:var(--space-4)}.product-duo{min-height:auto;display:grid;place-items:center}.duo-phone,.duo-panel,.product-duo.dashboard-active .duo-phone,.product-duo.dashboard-active .duo-panel{position:static;transform:none;width:100%;opacity:1}.duo-phone{display:block}.duo-panel,.product-duo.dashboard-active .duo-phone{display:none}.product-duo.dashboard-active .duo-panel{display:block}.segmented{display:grid;width:100%}.form-card,.preview-card,.reassurance,.payment-card,.success-card,.final-cta{padding:var(--space-5)}.connected-bot{flex-direction:column}.manual-grid,.import-summary{grid-template-columns:1fr}}