@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap";:root{--role-teacher:#0d9488;--role-teacher-light:#2dd4bf;--role-teacher-glow:#14b8a640;--role-teacher-fg:var(--role-teacher-light);--role-student:#4f46e5;--role-student-light:#818cf8;--role-student-glow:#6366f140;--role-student-fg:var(--role-student-light);--role-parent:#e11d48;--role-parent-light:#fb7185;--role-parent-glow:#f43f5e40;--role-parent-fg:var(--role-parent-light);--role-institute:#d97706;--role-institute-light:#fbbf24;--role-institute-glow:#f59e0b40;--role-institute-fg:var(--role-institute-light);--brand-gradient:linear-gradient(135deg, #14b8a6 0%, #6366f1 38%, #f43f5e 72%, #f59e0b 100%);--brand-gradient-hover:linear-gradient(135deg, #2dd4bf 0%, #818cf8 38%, #fb7185 72%, #fbbf24 100%);--brand-gradient-subtle:linear-gradient(135deg, #14b8a626, #6366f126, #f43f5e26, 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2.5rem);--app-accent:#38bdf8;--app-accent-bg:#38bdf81f;--app-accent-border:#38bdf847;--app-accent-glow:#38bdf838;--trust-accent:#60a5fa;--trust-accent-bg:#60a5fa1f;--trust-accent-border:#60a5fa47;--trust-accent-glow:#60a5fa38}html[data-theme=light]{--bg-body:#f8fafc;--bg-card:#ffffffd9;--bg-card-hover:#fffffff2;--bg-pill:#0f172a0a;--bg-input:#0f172a0a;--border-subtle:#0f172a14;--border-focus:#4f46e580;--border-pill:#0f172a1f;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--role-teacher-fg:var(--role-teacher);--role-student-fg:var(--role-student);--role-parent-fg:var(--role-parent);--role-institute-fg:var(--role-institute);--app-accent:#0284c7;--app-accent-bg:#0284c714;--app-accent-border:#0284c738;--app-accent-glow:#0284c724;--trust-accent:#2563eb;--trust-accent-bg:#2563eb14;--trust-accent-border:#2563eb38;--trust-accent-glow:#2563eb24;--shadow-glow:0 0 50px #6366f114;--shadow-button:0 8px 20px -4px #4f46e54d}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-body);width:100%;min-height:100vh;color:var(--text-primary);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth;transition:background-color .4s,color .4s;position:relative;overflow-x:clip}html.legal-html,html:has(.scrollable-body),.scrollable-body{overflow:clip visible!important}.ambient-glow{filter:blur(100px);pointer-events:none;z-index:1;opacity:.6;border-radius:50%;transition:opacity .5s;position:fixed}.glow-1{background:radial-gradient(circle,#14b8a647,#6366f11f 60%,#0000 80%);width:min(45vw,420px);height:min(45vw,420px);animation:16s ease-in-out infinite alternate floatOrb;top:-8%;left:10%}.glow-2{background:radial-gradient(circle,#6366f140,#f43f5e1f 60%,#0000 80%);width:min(50vw,480px);height:min(50vw,480px);animation:20s ease-in-out infinite alternate-reverse 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2));padding:clamp(.85rem, 2.5vh, 2rem) var(--gutter-horizontal);z-index:100;pointer-events:none;box-sizing:border-box;background:0 0;border-bottom:none;justify-content:space-between;align-items:center;margin:0 auto;display:flex;position:fixed;top:0;left:0;right:0}.site-header a,.site-header button{pointer-events:auto}.page-wrapper .site-header,.viewport-wrapper .site-header{pointer-events:auto;padding-left:0;padding-right:0;position:relative;top:auto;left:auto;right:auto}.brand-logo{color:var(--text-primary);align-items:center;gap:.55rem;text-decoration:none;transition:opacity .2s;display:flex}.brand-logo:hover{opacity:.9}.brand-name{font-family:"Inter", var(--font-display);letter-spacing:-.02em;color:var(--text-primary);font-feature-settings:"cv05" 1, "cv08" 1;-webkit-font-feature-settings:"cv05" 1, "cv08" 1;font-size:clamp(1.2rem,2vw,1.45rem);font-weight:750}.nav-links{align-items:center;gap:1.5rem;display:flex}.nav-link{color:var(--text-secondary);font-size:.88rem;font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover,.nav-link.active{color:var(--text-primary)}.header-right{align-items:center;gap:.75rem;display:flex}.nav-pill-link{color:var(--text-secondary);background:var(--bg-pill);border:1px solid var(--border-pill);border-radius:var(--radius-full);-webkit-backdrop-filter:blur(8px);align-items:center;gap:.4rem;padding:.4rem .9rem;font-size:.82rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.nav-pill-link:hover{color:var(--text-primary);border-color:var(--border-focus);background:var(--bg-card);transform:translateY(-1px)}.nav-pill-link svg{transition:transform .2s}.nav-pill-link:hover svg{transform:translate(2px)}.nav-pill-text-desktop{display:inline}.nav-pill-text-mobile{display:none}.status-indicator{background:var(--bg-pill);border:1px solid var(--border-pill);border-radius:var(--radius-full);-webkit-backdrop-filter:blur(8px);align-items:center;gap:.45rem;padding:.35rem .85rem;display:flex}.status-dot-pulse{background-color:var(--role-teacher-light);width:7px;height:7px;box-shadow:0 0 8px var(--role-teacher);border-radius:50%;animation:2s ease-in-out infinite pulseDot}@keyframes pulseDot{0%,to{opacity:.7;transform:scale(.9)}50%{opacity:1;transform:scale(1.25)}}.status-label{color:var(--text-secondary);letter-spacing:.02em;font-size:.75rem;font-weight:600}.theme-btn{border-radius:var(--radius-md);background:var(--bg-pill);border:1px solid var(--border-pill);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;-webkit-backdrop-filter:blur(8px);justify-content:center;align-items:center;transition:all .2s;display:flex}.theme-btn:hover{color:var(--text-primary);border-color:var(--border-focus);transform:scale(1.04)}html[data-theme=light] .sun-icon{display:none}html[data-theme=light] .moon-icon,html:not([data-theme=light]) .sun-icon{display:block}html:not([data-theme=light]) .moon-icon{display:none}.ambient-watermark-wrap{pointer-events:none;z-index:3;opacity:.17;justify-content:center;align-items:center;width:min(95vw,680px);height:min(88vh,680px);transition:opacity .4s;display:flex;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}html[data-theme=light] .ambient-watermark-wrap{opacity:.09}.watermark-glow-core{filter:blur(75px);pointer-events:none;background:radial-gradient(circle,#6366f152 0%,#14b8a633 40%,#f43f5e1f 65%,#0000 85%);border-radius:50%;width:min(85vw,500px);height:min(85vw,500px);animation:6.5s ease-in-out infinite alternate coreGlowPulse;position:absolute}@keyframes coreGlowPulse{0%{opacity:.5;transform:scale(.88)}to{opacity:.9;transform:scale(1.2)}}.bg-watermark-glyph{filter:drop-shadow(0 0 50px #6366f159);width:100%;max-width:min(92vw,580px);height:100%;max-height:min(84vh,640px);display:block}.hero-center{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:clamp(.75rem,1.8vh,1.4rem);width:100%;max-width:860px;margin:clamp(2.5rem,6vh,4.5rem) auto clamp(3.5rem,7vh,5.5rem);display:flex}.hero-badge{border-radius:var(--radius-full);background:var(--bg-pill);border:1px solid var(--border-pill);-webkit-backdrop-filter:blur(16px);user-select:none;align-items:center;gap:.5rem;padding:.35rem .9rem .35rem .75rem;transition:all .25s;display:inline-flex;box-shadow:0 2px 12px #00000014}.hero-badge:hover{border-color:var(--border-focus);background:var(--bg-card);transform:translateY(-1px);box-shadow:0 4px 18px #6366f11f}.badge-live-dot{background:var(--brand-gradient);border-radius:50%;flex-shrink:0;width:7px;height:7px;position:relative;box-shadow:0 0 10px #6366f1b3}.badge-live-dot:after{content:"";border:1.5px solid #6366f18c;border-radius:50%;animation:2.2s ease-in-out infinite pulseBreathing;position:absolute;inset:-2.5px}@keyframes pulseBreathing{0%,to{opacity:.85;transform:scale(1)}50%{opacity:.15;transform:scale(1.6)}}.badge-tag{color:var(--text-primary);letter-spacing:-.01em;font-size:clamp(.78rem,1.1vw,.84rem);font-weight:600}.badge-sep{color:var(--text-muted);opacity:.45;font-size:.85rem;font-weight:400}.badge-message{color:var(--text-secondary);letter-spacing:-.01em;font-size:clamp(.78rem,1.1vw,.84rem);font-weight:450}.hero-headline{font-family:var(--font-display);letter-spacing:-.03em;color:var(--text-primary);max-width:780px;font-size:clamp(1.95rem,4.4vw + 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#6366f14d}.input-wrap{flex:1;align-items:center;gap:.6rem;min-width:0;display:flex}.mail-icon{color:var(--text-muted);flex-shrink:0}.email-input{width:100%;font-family:var(--font-body);color:var(--text-primary);appearance:none;border:none;outline:none;padding:.5rem 0;font-size:clamp(.88rem,1vw,.96rem);line-height:1.4;background:0 0!important}.email-input::placeholder{color:var(--text-muted)}.email-input:-webkit-autofill{-webkit-text-fill-color:var(--text-primary)!important;caret-color:var(--text-primary)!important;background-color:#0000!important;transition:background-color 500000s ease-in-out,color 500000s ease-in-out!important;box-shadow:inset 0 0 0 1000px #0000!important}.email-input:-webkit-autofill:hover{-webkit-text-fill-color:var(--text-primary)!important;caret-color:var(--text-primary)!important;background-color:#0000!important;transition:background-color 500000s ease-in-out,color 500000s ease-in-out!important;box-shadow:inset 0 0 0 1000px 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.feedback-icon:before{content:"✕"}.invite-form[data-state=error]{border-color:var(--role-parent-light)}.consent-note{color:var(--text-muted);text-align:center;margin-top:.65rem;font-size:.74rem;line-height:1.5}.notice-panel{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(16px);max-width:460px;box-shadow:var(--shadow-glow);flex-direction:column;align-items:center;gap:1.1rem;padding:clamp(1.5rem,4vw,2.5rem);display:flex}.notice-title{font-family:var(--font-display);letter-spacing:-.02em;color:var(--text-primary);font-size:clamp(1.35rem,2.6vw + .5rem,1.85rem);font-weight:800}.notice-body{color:var(--text-secondary);font-size:.92rem;line-height:1.6}[hidden],.notice-body[hidden]{display:none!important}.notice-link{color:var(--role-student-light);text-underline-offset:2px;text-decoration:underline}a.submit-btn{text-decoration:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.role-constellation{flex-wrap:wrap;justify-content:center;align-items:center;gap:clamp(.5rem,2vw,1.25rem);margin-top:clamp(.2rem,1vh,.6rem);display:flex}.constellation-item{color:var(--text-secondary);letter-spacing:.01em;align-items:center;gap:.4rem;font-size:clamp(.75rem,1vw,.84rem);font-weight:600;display:inline-flex}.role-dot{border-radius:50%;width:7px;height:7px}.dot-teacher{background-color:var(--role-teacher-light);box-shadow:0 0 8px var(--role-teacher)}.dot-student{background-color:var(--role-student-light);box-shadow:0 0 8px var(--role-student)}.dot-parent{background-color:var(--role-parent-light);box-shadow:0 0 8px var(--role-parent)}.dot-institute{background-color:var(--role-institute-light);box-shadow:0 0 8px var(--role-institute)}.app-dot{background-color:var(--app-accent);width:7px;height:7px;box-shadow:0 0 8px var(--app-accent-glow);border-radius:50%;flex-shrink:0}.trust-dot{background-color:var(--trust-accent);width:7px;height:7px;box-shadow:0 0 8px var(--trust-accent-glow);border-radius:50%;flex-shrink:0}.constellation-divider{color:var(--border-pill);font-size:.75rem}.section-wrap{border-top:1px solid var(--border-subtle);width:100%;padding:clamp(3.5rem,7vh,5.5rem) 0}.section-head{text-align:center;flex-direction:column;align-items:center;gap:.75rem;max-width:760px;margin:0 auto clamp(2rem,4vh,3.25rem);display:flex}.section-pill{letter-spacing:.05em;text-transform:uppercase;color:var(--text-secondary);background:var(--bg-pill);border:1px solid var(--border-pill);border-radius:var(--radius-full);align-items:center;gap:.5rem;padding:.32rem .85rem;font-size:.76rem;font-weight:700;display:inline-flex}.section-title{font-family:var(--font-display);letter-spacing:-.025em;color:var(--text-primary);font-size:clamp(1.8rem,3.2vw,2.65rem);font-weight:800;line-height:1.18}.section-desc{color:var(--text-secondary);font-size:clamp(.95rem,1.4vw,1.08rem);line-height:1.6}.roles-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem;width:100%;display:grid}.role-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(16px);flex-direction:column;gap:1.15rem;padding:1.75rem;transition:transform .25s,border-color .25s,box-shadow .25s;display:flex}.role-card:hover{border-color:var(--border-focus);transform:translateY(-3px);box-shadow:0 12px 32px -8px #00000059}.role-card-badge{text-transform:uppercase;letter-spacing:.05em;border-radius:var(--radius-full);align-items:center;gap:.45rem;width:fit-content;padding:.3rem .75rem;font-size:.76rem;font-weight:700;display:inline-flex}.role-card-teacher .role-card-badge{color:var(--role-teacher-light);background:#14b8a61f;border:1px solid #14b8a64d}.role-card-student .role-card-badge{color:var(--role-student-light);background:#6366f11f;border:1px solid #6366f14d}.role-card-parent .role-card-badge{color:var(--role-parent-light);background:#f43f5e1f;border:1px solid #f43f5e4d}.role-card-institute .role-card-badge{color:var(--role-institute-light);background:#f59e0b1f;border:1px solid #f59e0b4d}.role-card-title{font-family:var(--font-display);letter-spacing:-.015em;color:var(--text-primary);font-size:1.35rem;font-weight:700}.role-card-text{color:var(--text-secondary);font-size:.92rem;line-height:1.6}.role-card-features{border-top:1px solid var(--border-subtle);flex-direction:column;gap:.65rem;margin-top:auto;padding-top:.85rem;list-style:none;display:flex}.role-card-features li{color:var(--text-secondary);align-items:flex-start;gap:.6rem;font-size:.86rem;line-height:1.45;display:flex}.role-card-features svg{flex-shrink:0;margin-top:2px}.apps-grid{grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:1.5rem;width:100%;display:grid}.app-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(16px);flex-direction:column;gap:1rem;padding:2rem;display:flex}.app-icon-wrap{border-radius:var(--radius-md);background:var(--bg-pill);border:1px solid var(--border-pill);width:52px;height:52px;color:var(--text-primary);justify-content:center;align-items:center;display:flex}.app-tag{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:.75rem;font-weight:700}.app-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.35rem;font-weight:700}.app-desc{color:var(--text-secondary);font-size:.92rem;line-height:1.6}.app-checklist{flex-direction:column;gap:.6rem;margin-top:.5rem;list-style:none;display:flex}.app-checklist li{color:var(--text-secondary);align-items:flex-start;gap:.55rem;font-size:.86rem;line-height:1.45;display:flex}.app-checklist li svg{flex-shrink:0;margin-top:2px}.trust-grid{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;width:100%;display:grid}.trust-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);flex-direction:column;gap:.85rem;padding:1.85rem;display:flex}.trust-card-icon{border-radius:var(--radius-md);background:var(--bg-pill);border:1px solid var(--border-pill);width:44px;height:44px;color:var(--text-primary);justify-content:center;align-items:center;display:flex}.trust-card-title{font-family:var(--font-display);color:var(--text-primary);font-size:1.18rem;font-weight:700}.trust-card-text{color:var(--text-secondary);font-size:.9rem;line-height:1.6}.org-card{background:var(--bg-card);border:1px solid var(--border-focus);border-radius:var(--radius-lg);grid-template-columns:1.2fr .8fr;align-items:center;gap:2.5rem;width:100%;padding:clamp(1.75rem,3.5vw,2.75rem);display:grid;box-shadow:0 16px 40px -12px 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