:root{--green:#09583d;--green-2:#167a57;--mint:#ddede5;--pale:#eff7f2;--cream:#f5f0e7;--paper:#f8f8f3;--white:#fff;--ink:#17231e;--muted:#647069;--line:rgba(9,88,61,.13);--serif:"Newsreader",Georgia,serif;--sans:"DM Sans",Arial,sans-serif;--ease:cubic-bezier(.22,1,.36,1);--shadow:0 24px 70px rgba(24,54,43,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}img,svg{display:block;max-width:100%;height:auto}a{color:inherit}button,input{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:1000;top:8px;left:8px;padding:10px 16px;border-radius:99px;background:var(--green);color:#fff;transform:translateY(-140%)}.skip-link:focus{transform:none}:focus-visible{outline:3px solid rgba(9,88,61,.35);outline-offset:3px}
.site-nav{position:fixed;z-index:100;top:16px;left:50%;display:grid;grid-template-columns:auto 1fr auto;align-items:center;width:min(1280px,calc(100% - 32px));min-height:68px;padding:10px 12px 10px 18px;border:1px solid var(--line);border-radius:20px;background:rgba(248,248,243,.88);box-shadow:0 12px 40px rgba(18,45,35,.08);backdrop-filter:blur(18px);transform:translateX(-50%);transition:.3s var(--ease)}.site-nav.is-scrolled{top:8px;min-height:58px;background:rgba(255,255,255,.94)}.brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none}.brand img{object-fit:contain}.brand strong{font-size:1.04rem;letter-spacing:-.03em}.nav-links{display:flex;justify-content:center;gap:clamp(14px,2vw,28px)}.nav-links a,.login-link{position:relative;color:#46534d;font-size:.78rem;font-weight:600;text-decoration:none;white-space:nowrap}.nav-links a::after{content:"";position:absolute;right:0;bottom:-8px;left:0;height:2px;border-radius:2px;background:var(--green);transform:scaleX(0);transition:.25s var(--ease)}.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}.nav-actions{display:flex;align-items:center;gap:8px}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:10px 16px;border:1px solid transparent;border-radius:999px;font-size:.78rem;font-weight:700;text-decoration:none;transition:transform .25s var(--ease),box-shadow .25s ease,background .25s ease}.button:hover{transform:translateY(-2px)}.button--green{background:var(--green);color:#fff;box-shadow:0 9px 24px rgba(9,88,61,.2)}.button--green:hover{background:#064a33}.button--outline{border-color:var(--line);background:#fff}.button--paper{border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.84);color:var(--ink)}.menu-button{display:none;width:42px;height:42px;border:0;border-radius:50%;background:var(--pale)}.menu-button i{display:block;width:18px;height:2px;margin:4px auto;background:var(--ink)}
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.scene-wrap{position:sticky;z-index:2;top:72px;width:min(1400px,100%);margin:0 auto;overflow:hidden}.scene{position:relative;width:100%;aspect-ratio:16/9;transform-origin:50% 50%;will-change:transform}.scene-photo{display:block;width:100%;height:100%;object-fit:cover}.laptop-ui{position:absolute;top:22.1%;left:35.2%;width:31.2%;height:22.4%;overflow:hidden;border-radius:.35vw;background:#f8fbf9;color:#1c2924;font-size:clamp(5px,.55vw,9px);opacity:.98}.ui-top{display:flex;align-items:center;gap:.5em;height:18%;padding:0 4%;border-bottom:1px solid #dae5df}.ui-brand{display:grid;width:1.7em;height:1.7em;place-items:center;border-radius:.4em;background:var(--green);color:#fff}.timer{margin-left:auto;padding:.25em .55em;border-radius:99px;background:#f7ead3;color:#704b15}.ui-body{display:grid;grid-template-columns:23% 1fr;height:82%}.ui-body aside{display:flex;flex-direction:column;padding:7%;background:#edf5f0}.ui-body aside small{margin-top:.7em;color:#728078}.ui-body aside b{font-size:.9em}.avatar{display:grid;width:3em;height:3em;place-items:center;border-radius:50%;background:#cee4d8;color:var(--green);font-weight:700}.verified{color:var(--green-2)}.question{padding:5% 6%}.progress{height:3px;margin-bottom:4%;border-radius:4px;background:#dfe7e3}.progress i{display:block;width:34%;height:100%;background:var(--green-2)}.question small{color:#718078}.question h2{margin:3% 0 4%;font:600 1.1em/1.25 var(--sans)}.question button{display:block;width:100%;margin:2% 0;padding:2% 3%;border:1px solid #d9e3de;border-radius:.4em;background:#fff;color:#27352f;text-align:left;font-size:1em}.question button:first-of-type{border-color:var(--green-2);background:#e5f3eb}.ui-footer{display:flex;justify-content:space-between;margin-top:4%;color:#507063}.ui-footer b{padding:.2em .55em;border-radius:.4em;background:var(--green);color:#fff}.cloud,.bird,.object-label{position:absolute;pointer-events:none}.cloud{top:8%;width:12%;height:4%;border-radius:50%;background:rgba(255,255,255,.32);filter:blur(8px);animation:drift 20s linear infinite}.cloud--one{left:30%}.cloud--two{left:65%;animation-duration:27s}.bird{top:12%;color:#5a6d65;font-size:1.2rem;animation:fly 15s linear infinite}.bird--one{left:48%}.bird--two{left:53%;animation-delay:-4s}.object-label{padding:7px 10px;border:1px solid rgba(255,255,255,.45);border-radius:99px;background:rgba(255,255,255,.76);box-shadow:0 8px 20px rgba(20,35,29,.08);backdrop-filter:blur(8px);color:#35453e;font-size:.62rem;font-weight:700;opacity:0;transition:.4s}.label-books{left:10%;bottom:28%}.label-notebook{left:22%;bottom:10%}.label-plant{right:8%;bottom:31%}.scroll-cue{position:absolute;z-index:6;right:28px;bottom:24px;display:flex;align-items:center;gap:8px;color:#52615a;font-size:.66rem;font-weight:700;letter-spacing:.1em;text-decoration:none;text-transform:uppercase;writing-mode:vertical-rl}.scroll-cue span{width:1px;height:42px;background:linear-gradient(var(--green),transparent)}
.story{position:relative;padding:12vh 0}.story-rail{position:absolute;top:10vh;bottom:10vh;left:35px;width:1px;background:var(--line)}.story-rail i{position:sticky;top:90px;display:block;width:3px;height:120px;margin-left:-1px;border-radius:3px;background:var(--green)}.chapter{position:relative;display:grid;grid-template-columns:minmax(260px,.7fr) minmax(400px,1fr);align-content:center;gap:18px 8vw;width:min(1180px,calc(100% - 80px));min-height:86vh;margin:0 auto;padding:9vh 0}.chapter-number{grid-column:1;color:var(--green-2);font-size:.68rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.chapter h2{grid-column:1;font-size:clamp(2.8rem,5vw,5.6rem)}.chapter>p{grid-column:1;max-width:540px;margin:0;color:var(--muted);font-size:1rem;line-height:1.75}.chapter .text-link{grid-column:1}.text-link{width:max-content;color:var(--green);font-size:.78rem;font-weight:700;text-decoration:none}.feature-list{grid-column:1;display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:4px 0;padding:0;list-style:none}.feature-list li{padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:.75rem}.feature-list li::before{content:"✓";margin-right:7px;color:var(--green-2)}.product-card,.class-demo,.book-shelf,.workflow,.analytics-demo{grid-column:2;grid-row:1/span 6;align-self:center;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:var(--shadow)}
.product-card{display:grid;grid-template-columns:1fr 1fr;gap:1px;overflow:hidden;background:var(--line)}.product-card div{min-height:150px;padding:28px;background:#fff}.product-card span{display:block;color:#99a59f;font:500 2.4rem var(--serif)}.product-card b{display:block;margin-top:35px;font-size:.9rem}.product-card div:nth-child(2),.product-card div:nth-child(3){background:var(--pale)}
.chapter--class{background:linear-gradient(90deg,transparent,rgba(214,233,249,.32),transparent)}.class-demo{display:grid;grid-template-columns:1.3fr .8fr;gap:10px;padding:18px;background:#eef3f0}.teacher-tile{display:flex;min-height:340px;flex-direction:column;justify-content:flex-end;padding:24px;border-radius:18px;background:linear-gradient(145deg,#cbded4,#759887);color:#fff}.teacher-tile span{align-self:flex-start;margin-bottom:auto;padding:5px 9px;border-radius:99px;background:#fff;color:var(--green);font-size:.65rem;font-weight:700}.teacher-tile b{font-family:var(--serif);font-size:1.8rem}.teacher-tile small{margin-top:5px}.poll{padding:18px;border-radius:18px;background:#fff}.poll small,.poll b{display:block}.poll b{margin:9px 0 22px}.poll i{position:relative;display:block;margin:9px 0;padding:8px;border-radius:8px;background:linear-gradient(90deg,var(--mint) var(--value),#f1f3f2 var(--value));font-size:.72rem;font-style:normal}.participants{grid-column:1/-1;display:flex;gap:8px}.participants span{display:grid;width:38px;height:38px;place-items:center;border-radius:50%;background:#fff;color:var(--green);font-size:.7rem;font-weight:700}
.book-shelf{display:flex;min-height:430px;flex-direction:column;justify-content:center;padding:40px;background:var(--cream)}.book-shelf div{position:relative;margin:-2px 0;padding:19px 24px;border:1px solid rgba(55,45,28,.2);border-radius:4px 14px 14px 4px;background:#769582;color:#fff;box-shadow:0 8px 15px rgba(58,47,30,.12);font:600 1.15rem var(--serif);transform:translateX(var(--x,0))}.book-shelf div:nth-child(2){--x:25px;background:#d8c5a3;color:#443a2b}.book-shelf div:nth-child(3){--x:7px;background:#aac6b6;color:#23382e}.book-shelf div:nth-child(4){--x:35px;background:#526c5d}.book-shelf small{float:right;font:500 .65rem var(--sans);opacity:.78}
.workflow{margin:0;padding:28px;list-style:none;background:repeating-linear-gradient(#fff,#fff 35px,#e4e9e6 36px)}.workflow li{display:grid;grid-template-columns:36px 1fr;gap:0 12px;padding:13px 0}.workflow span{grid-row:1/3;display:grid;width:34px;height:34px;place-items:center;border-radius:50%;background:var(--green);color:#fff;font-size:.72rem}.workflow b{font-family:var(--serif);font-size:1.25rem}.workflow small{color:var(--muted)}
.analytics-demo{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:18px;background:#f0f4f1}.metric,.chart,.report{padding:20px;border-radius:18px;background:#fff}.metric small,.metric span{display:block;color:var(--muted);font-size:.68rem}.metric b{display:block;margin:9px 0;font:600 2.4rem var(--serif)}.chart{grid-column:1/-1;display:flex;align-items:end;gap:6%;height:190px}.chart i{flex:1;height:var(--h);border-radius:8px 8px 2px 2px;background:linear-gradient(var(--green-2),var(--mint));transform-origin:bottom}.report{grid-column:1/-1;display:flex;gap:10px;align-items:center}.report b{margin-right:auto}.report span{padding:6px 9px;border-radius:99px;background:var(--pale);font-size:.67rem}
.capabilities{padding:14vh max(24px,calc((100vw - 1180px)/2));background:var(--cream)}.section-heading{max-width:850px;margin-bottom:55px}.section-heading h2{font-size:clamp(3rem,6vw,6.5rem)}.capability-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.capability-grid article{min-height:260px;padding:28px;border:1px solid rgba(81,64,39,.12);border-radius:22px;background:rgba(255,255,255,.6)}.capability-grid article:hover{background:#fff;transform:translateY(-3px)}.capability-grid span{color:var(--green-2);font-size:.68rem}.capability-grid h3{margin:45px 0 10px;font:600 1.6rem var(--serif)}.capability-grid p{color:var(--muted);font-size:.86rem;line-height:1.6}.capability--wide{grid-column:span 2}.mini-hierarchy{display:flex;gap:5px;margin-top:25px}.mini-hierarchy i{padding:7px 10px;border-radius:99px;background:var(--pale);font-size:.65rem;font-style:normal}.line-visual{display:flex;align-items:end;gap:7%;height:80px}.line-visual i{width:12%;height:var(--h,50%);border-radius:6px;background:var(--mint)}.line-visual i:nth-child(2){--h:70%}.line-visual i:nth-child(3){--h:45%}.line-visual i:nth-child(4){--h:88%}.line-visual i:nth-child(5){--h:66%}
.trust{display:grid;grid-template-columns:1fr 1fr;gap:10vw;width:min(1180px,calc(100% - 48px));margin:auto;padding:16vh 0}.trust h2{font-size:clamp(3.2rem,6vw,6rem)}.trust-points p{padding:18px 0;border-bottom:1px solid var(--line);color:var(--muted);line-height:1.6}.trust-points b{display:block;margin-bottom:5px;color:var(--ink)}
.final-cta{position:relative;width:min(1380px,calc(100% - 28px));min-height:78vh;margin:0 auto 14px;overflow:hidden;border-radius:30px}.final-cta>img{position:absolute;width:100%;height:100%;object-fit:cover;filter:brightness(.7)}.final-cta>div{position:relative;z-index:2;display:flex;min-height:78vh;flex-direction:column;align-items:center;justify-content:center;padding:30px;color:#fff;text-align:center}.final-cta .eyebrow{color:#e8ffab}.final-cta h2{color:#fff;font-size:clamp(3rem,6vw,6.3rem)}.final-cta h2 em{color:#e8ffab}.final-cta p:not(.eyebrow){max-width:580px;line-height:1.7}.footer{padding:70px max(24px,calc((100vw - 1180px)/2)) 25px;background:#17231e;color:#dce4df}.footer-main{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:40px}.footer h2{margin:0 0 16px;color:#fff;font:600 .8rem var(--sans)}.footer a:not(.brand){display:block;margin:10px 0;color:#aebbb4;font-size:.75rem;text-decoration:none}.footer a:hover{color:#fff}.footer-brand p{max-width:260px;color:#9daba4;font-size:.8rem;line-height:1.6}.footer-bottom{display:flex;justify-content:space-between;margin-top:55px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);color:#819087;font-size:.68rem}
@keyframes drift{to{transform:translateX(240px)}}@keyframes fly{50%{transform:translate(55px,-8px)}}
@media(max-width:1050px){.site-nav{grid-template-columns:auto auto}.menu-button{display:block;justify-self:end}.nav-links{position:absolute;top:76px;right:0;left:0;display:none;flex-direction:column;padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.nav-links.is-open{display:flex}.nav-actions{display:none}.chapter{grid-template-columns:1fr;width:min(760px,calc(100% - 48px));padding:8vh 0}.chapter>*{grid-column:1!important}.product-card,.class-demo,.book-shelf,.workflow,.analytics-demo{grid-row:auto;margin-top:24px}.capability-grid{grid-template-columns:1fr 1fr}.footer-main{grid-template-columns:2fr 1fr 1fr}.footer-main>div:nth-last-child(-n+2){margin-top:20px}.scene-wrap{margin-top:20px}.laptop-ui{font-size:.55vw}}
@media(max-width:700px){.site-nav{top:8px;min-height:58px}.hero{padding-top:98px}.hero-copy{text-align:left}.hero h1{font-size:clamp(3rem,14vw,5rem)}.hero-actions{justify-content:flex-start}.hero-notes{justify-content:flex-start;flex-wrap:wrap;gap:8px 16px}.scene-wrap{position:relative;top:auto;width:140%;margin-left:-20%}.laptop-ui{font-size:1vw}.scroll-cue{display:none}.story{padding-top:2vh}.story-rail{display:none}.chapter{width:min(100% - 32px,620px);min-height:auto;padding:70px 0}.chapter h2{font-size:clamp(2.7rem,12vw,4.5rem)}.feature-list{grid-template-columns:1fr}.class-demo{grid-template-columns:1fr}.teacher-tile{min-height:240px}.poll{grid-row:2}.capabilities{padding-block:90px}.capability-grid{grid-template-columns:1fr}.capability--wide{grid-column:auto}.trust{grid-template-columns:1fr;padding:90px 0}.final-cta,.final-cta>div{min-height:70vh}.footer-main{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px}.report{align-items:flex-start;flex-direction:column}.report b{margin:0}.mini-hierarchy{flex-wrap:wrap}}
@media(max-width:430px){.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .button{width:100%}.scene-wrap{width:170%;margin-left:-35%}.product-card{grid-template-columns:1fr}.product-card div{min-height:105px}.book-shelf{padding:22px}.book-shelf div{padding:16px;font-size:1rem}.book-shelf small{display:block;float:none;margin-top:4px}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.scene{transform:none!important}.chapter,.capability-grid article{opacity:1!important;transform:none!important}}
.hero{padding-bottom:22vh}
@media(max-width:700px){.hero{padding-bottom:30px}}

/* Device-led introduction: editorial scale with one coherent product object. */
.hero{padding-bottom:15vh;background:#f7f4ec}
.hero::before{content:"";position:absolute;inset:0 0 auto;height:72%;background:radial-gradient(circle at 18% 36%,rgba(203,229,216,.7),transparent 25rem),radial-gradient(circle at 83% 32%,rgba(212,231,246,.72),transparent 28rem);pointer-events:none}
.hero-copy{width:min(1050px,calc(100% - 40px))}
.hero .eyebrow{margin-bottom:20px;color:#55635c}
.hero h1{font-family:var(--sans);font-size:clamp(3.6rem,8.2vw,8.9rem);font-weight:600;letter-spacing:-.075em;line-height:.84}
.hero h1 em{display:inline-block;color:var(--green);font-family:var(--serif);font-weight:500;letter-spacing:-.065em}
.hero-lede{max-width:610px;margin-block:28px 22px;font-size:1.06rem}
.hero-notes{margin-bottom:48px}
.device-stage{position:relative;z-index:3;width:min(1420px,calc(100% - 32px));min-height:760px;margin:10px auto 0;padding:72px 8% 55px;border-radius:38px;background:#dcece3;overflow:hidden;isolation:isolate}
.device-stage::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.7),transparent 38%),radial-gradient(circle at 85% 5%,rgba(255,255,255,.9),transparent 24rem);z-index:-1}
.device-stage::after{content:"";position:absolute;right:-8%;bottom:-33%;width:55%;aspect-ratio:1;border-radius:50%;border:1px solid rgba(9,88,61,.1);box-shadow:0 0 0 80px rgba(255,255,255,.17),0 0 0 160px rgba(255,255,255,.1);z-index:-1}
.hero-device{position:relative;width:min(1100px,88%);margin:auto;border:8px solid #1f2924;border-radius:22px 22px 14px 14px;background:#fff;box-shadow:0 55px 90px rgba(34,57,47,.22);overflow:hidden;transform:perspective(1600px) rotateX(1deg);transform-origin:center bottom}
.hero-device::after{content:"";position:absolute;inset:auto -5% -17px;height:14px;border-radius:0 0 80% 80%;background:#38423d;box-shadow:0 5px 10px rgba(0,0,0,.18)}
.device-bar{display:flex;align-items:center;height:48px;padding:0 18px;border-bottom:1px solid #e3e9e6;background:#f8faf9;color:#6a7770;font-size:.68rem}.device-bar>strong{margin-left:15px;color:var(--green);font-size:.8rem}.device-bar>span:nth-of-type(2){margin:auto}.device-bar>b{color:var(--green-2)}.window-dots{display:flex;gap:5px}.window-dots i{width:7px;height:7px;border-radius:50%;background:#c6cec9}.window-dots i:first-child{background:#e3a89c}.window-dots i:nth-child(2){background:#e3d19c}.window-dots i:nth-child(3){background:#9bcbae}
.device-shell{display:grid;grid-template-columns:190px minmax(390px,1fr) 205px;min-height:565px;background:#f5f7f6}.exam-sidebar{padding:24px 17px;border-right:1px solid #dfe7e3;background:#fff}.student-card{display:flex;align-items:center;gap:9px;padding-bottom:20px;border-bottom:1px solid #e5ebe8}.student-card .avatar{flex:0 0 auto}.student-card b,.student-card small{display:block}.student-card b{font-size:.72rem}.student-card small{margin-top:3px;color:#89948f;font-size:.55rem}.exam-sidebar nav{display:flex;flex-direction:column;gap:5px;margin:20px 0}.exam-sidebar nav a{padding:10px;border-radius:8px;color:#6e7a74;font-size:.62rem;font-weight:600;text-decoration:none}.exam-sidebar nav a.active{background:#e6f2eb;color:var(--green)}.integrity-list{margin-top:90px}.integrity-list p{margin:0;padding:10px 2px;border-bottom:1px solid #edf0ee}.integrity-list span,.integrity-list b{display:block;font-size:.56rem}.integrity-list span{color:#89948f}.integrity-list b{margin-top:3px;color:var(--green-2)}
.exam-main{padding:28px 30px}.exam-head{display:flex;align-items:center;justify-content:space-between}.exam-head small{color:#7a8781;font-size:.57rem}.exam-head h2{margin:3px 0 0;font:600 1.25rem/1.1 var(--sans);letter-spacing:-.04em}.time-box{padding:8px 12px;border:1px solid #dae3de;border-radius:10px;background:#fff;text-align:right}.time-box small,.time-box b{display:block}.time-box b{margin-top:2px;color:#9b5b31;font-size:.85rem;font-variant-numeric:tabular-nums}.question-progress{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;margin:25px 0;color:#707d77;font-size:.57rem}.question-progress>i{height:4px;border-radius:5px;background:#dce5e0}.question-progress>i b{display:block;width:33%;height:100%;border-radius:inherit;background:var(--green-2)}.question-progress strong{color:var(--green)}.question-panel{padding:24px;border:1px solid #dce4e0;border-radius:16px;background:#fff;box-shadow:0 12px 35px rgba(25,54,42,.05)}.question-panel>small{color:#84908a;font-size:.58rem}.question-panel h3{max-width:520px;margin:12px 0 21px;font:500 1.18rem/1.35 var(--serif)}.answer{display:grid;grid-template-columns:25px 1fr auto;align-items:center;gap:10px;margin:7px 0;padding:10px 12px;border:1px solid #dfe6e2;border-radius:9px;cursor:pointer}.answer input{position:absolute;opacity:0}.answer>span{display:grid;width:24px;height:24px;place-items:center;border-radius:6px;background:#edf1ef;color:#66736d;font-size:.6rem}.answer>b{font-size:.68rem}.answer>i{color:#75817b;font-size:.52rem;font-style:normal}.answer.selected{border-color:#87bba4;background:#edf7f1}.answer.selected>span{background:var(--green);color:#fff}.exam-footer{display:flex;align-items:center;justify-content:space-between;margin-top:16px}.exam-footer>span{color:#6a7b73;font-size:.56rem}.exam-footer button{padding:9px 13px;border:0;border-radius:8px;background:var(--green);color:#fff;font-size:.62rem;font-weight:700}
.exam-monitor{padding:24px 17px;border-left:1px solid #dfe7e3;background:#fff}.face-preview{display:grid;min-height:128px;place-items:center;border-radius:12px;background:linear-gradient(145deg,#b8d3c5,#6f9482);color:#fff}.face-preview>span{display:grid;width:50px;height:50px;place-items:center;border:2px solid rgba(255,255,255,.6);border-radius:50%;font-weight:700}.face-preview>i{padding:5px 8px;border-radius:99px;background:rgba(255,255,255,.88);color:var(--green);font-size:.5rem;font-style:normal}.exam-monitor h3{margin:20px 0 10px;font-size:.72rem}.health-ring{display:grid;width:100px;height:100px;margin:0 auto;place-content:center;border-radius:50%;background:radial-gradient(circle,#fff 58%,transparent 60%),conic-gradient(var(--green-2) 98%,#e5eae7 0);text-align:center}.health-ring b{font:600 1.35rem var(--serif)}.health-ring span{display:block;color:#829089;font-size:.5rem}.exam-monitor ul{margin:19px 0 0;padding:0;list-style:none}.exam-monitor li{margin:9px 0;color:#5f6c66;font-size:.55rem}.exam-monitor li i{display:inline-block;width:6px;height:6px;margin-right:6px;border-radius:50%;background:#62a985}
.phone-device{position:absolute;right:4.5%;bottom:27px;width:155px;height:320px;padding:25px 14px 15px;border:6px solid #202a25;border-radius:27px;background:#f9fbfa;box-shadow:0 28px 55px rgba(31,54,44,.22);text-align:center;transform:rotate(4deg)}.phone-speaker{position:absolute;top:7px;left:50%;width:45px;height:5px;border-radius:5px;background:#333d38;transform:translateX(-50%)}.phone-brand{display:grid;width:26px;height:26px;margin:auto;place-items:center;border-radius:8px;background:var(--green);color:#fff;font:600 .8rem var(--serif)}.phone-device>small{display:block;margin:8px;color:#77857e;font-size:.52rem}.phone-face{display:grid;height:128px;place-items:center;border-radius:12px;background:linear-gradient(145deg,#c1d9cd,#779887);color:#fff;font-weight:700}.phone-device>b{display:block;margin-top:12px;color:var(--green);font-size:.7rem}.phone-device p{color:#77837d;font-size:.5rem;line-height:1.45}.phone-device>i{display:inline-block;padding:5px 8px;border-radius:99px;background:var(--pale);color:var(--green);font-size:.48rem;font-style:normal}.stage-note{position:absolute;z-index:4;width:145px;padding:15px;border:1px solid rgba(9,88,61,.12);border-radius:14px;background:rgba(255,255,255,.88);box-shadow:0 20px 45px rgba(24,55,43,.12);backdrop-filter:blur(12px)}.stage-note span,.stage-note strong,.stage-note small{display:block}.stage-note span{color:#68766f;font-size:.55rem}.stage-note strong{margin:3px 0;font:600 1.35rem var(--serif)}.stage-note small{color:#839089;font-size:.5rem;line-height:1.35}.stage-note--left{left:2.5%;top:31%}.stage-note--left i{float:right;width:9px;height:9px;border-radius:50%;background:#62aa83;box-shadow:0 0 0 5px #e1f0e7}.stage-note--right{right:2.5%;top:15%}
@media(max-width:1100px){.device-stage{min-height:auto;padding:48px 3% 70px}.hero-device{width:96%}.device-shell{grid-template-columns:165px 1fr}.exam-monitor{display:none}.phone-device{right:2%;width:130px;height:270px}.stage-note{display:none}}
@media(max-width:760px){.hero{padding-bottom:35px}.hero h1{font-size:clamp(3.2rem,15vw,5.3rem);line-height:.87}.hero-lede{margin-block:21px}.hero-notes{margin-bottom:28px}.device-stage{width:calc(100% - 16px);padding:22px 10px 50px;border-radius:24px;overflow:hidden}.hero-device{width:142%;margin-left:-21%;border-width:5px;border-radius:15px;transform:none}.device-bar{height:34px}.device-shell{grid-template-columns:125px 1fr;min-height:420px}.exam-sidebar{padding:15px 10px}.integrity-list{margin-top:35px}.exam-main{padding:18px 16px}.question-panel{padding:16px}.question-panel h3{font-size:.9rem}.phone-device{right:8px;bottom:8px;width:94px;height:196px;padding:17px 8px 8px;border-width:4px;border-radius:19px}.phone-device>small,.phone-device p{display:none}.phone-face{height:88px}.phone-device>b{font-size:.55rem}.phone-device>i{font-size:.42rem}.phone-brand{width:20px;height:20px}.exam-footer{margin-top:10px}}
@media(max-width:430px){.hero-copy{width:calc(100% - 28px)}.hero .eyebrow{font-size:.6rem}.hero h1{font-size:3.35rem}.device-stage{min-height:390px}.hero-device{width:190%;margin-left:-45%}.phone-device{right:5px}.device-shell{grid-template-columns:105px 1fr}.student-card div{display:none}}

/* Hand-drawn editorial interlude and scroll artwork */
.manifesto{position:relative;min-height:1040px;margin-top:-2px;padding:300px max(7vw,32px) 170px;background:#ebece8;overflow:hidden;isolation:isolate}
.manifesto-wave{position:absolute;z-index:1;top:-1px;left:0;width:100%;height:190px;fill:#f7f4ec;filter:drop-shadow(0 10px 0 rgba(255,255,255,.24))}
.manifesto-copy{position:relative;z-index:3;width:min(1200px,100%);margin:130px auto 0}
.manifesto-copy h2{max-width:1120px;margin:0;font:500 clamp(3.4rem,6.6vw,7rem)/.98 var(--serif);letter-spacing:-.055em}
.manifesto-copy h2 em{position:relative;color:#1672c4;font-weight:500}
.manifesto-lede{max-width:720px;margin:58px 0 0;color:#536059;font:500 clamp(1.15rem,2vw,1.65rem)/1.55 var(--sans)}
.scribble{display:block;width:min(520px,48vw);height:20px;margin:8px 0 0 48%;overflow:visible}.scribble path{fill:none;stroke:#ef6d63;stroke-width:3;stroke-linecap:round}
.line-art{position:absolute;z-index:2;overflow:visible;color:#26312c;will-change:transform}.line-art g,.line-art path{fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.art-books{top:135px;left:3vw;width:260px;transform:translateY(var(--art-shift,0)) rotate(-4deg)}.art-planes{top:105px;right:4vw;width:245px;transform:translateY(var(--art-shift,0)) rotate(5deg)}.art-orbit{right:16vw;bottom:45px;width:180px;color:#426052;transform:translateY(var(--art-shift,0))}.line-art.is-drawn{animation:artBreathe 6s ease-in-out 1.3s infinite alternate}.line-art path,.scribble path{stroke-dasharray:var(--path-length,1000);stroke-dashoffset:var(--path-length,1000)}.line-art.is-drawn path,.scribble.is-drawn path{animation:drawLine 1.5s var(--ease) forwards;animation-delay:var(--draw-delay,0s)}.line-art path:nth-child(2){--draw-delay:.12s}.line-art path:nth-child(3){--draw-delay:.24s}.line-art path:nth-child(4){--draw-delay:.36s}
.story::before{content:"";position:absolute;top:0;right:0;left:0;height:110px;background:#ebece8;clip-path:path("M0 0H1440V54C1170 108 1010 16 746 59 444 108 269 92 0 51Z")}
.chapter::before{content:"";position:absolute;top:9vh;right:-4vw;width:68px;height:68px;border:1px solid rgba(9,88,61,.18);border-radius:50%;box-shadow:0 0 0 14px rgba(9,88,61,.035);opacity:0;transform:scale(.4) rotate(-30deg);transition:opacity .7s ease,transform .9s var(--ease)}.chapter[style*="opacity: 1"]::before{opacity:1;transform:scale(1) rotate(0)}
.product-card,.class-demo,.book-shelf,.workflow,.analytics-demo{transition:transform .8s var(--ease),box-shadow .8s ease}.chapter:hover .product-card,.chapter:hover .class-demo,.chapter:hover .book-shelf,.chapter:hover .workflow,.chapter:hover .analytics-demo{transform:translateY(-7px) rotate(.25deg);box-shadow:0 35px 90px rgba(24,54,43,.16)}
@keyframes drawLine{to{stroke-dashoffset:0}}@keyframes artBreathe{from{margin-top:0}to{margin-top:-10px}}@keyframes softPulse{50%{box-shadow:0 0 0 8px rgba(98,170,131,.08)}}
.stage-note--left i{animation:softPulse 2.4s ease-in-out infinite}.phone-device{animation:phoneFloat 5s ease-in-out infinite alternate}@keyframes phoneFloat{to{transform:translateY(-9px) rotate(2deg)}}
@media(max-width:900px){.manifesto{min-height:850px;padding:240px 28px 120px}.manifesto-copy{margin-top:90px}.art-books{width:190px}.art-planes{width:175px}.art-orbit{width:135px}.scribble{margin-left:25%}}
@media(max-width:650px){.manifesto{min-height:760px;padding:185px 20px 90px}.manifesto-wave{height:120px}.manifesto-copy{margin-top:120px}.manifesto-copy h2{font-size:clamp(2.9rem,13vw,4.6rem)}.manifesto-lede{margin-top:36px;font-size:1rem}.art-books{top:100px;left:-25px;width:145px}.art-planes{top:85px;right:-18px;width:135px}.art-orbit{right:7px;bottom:12px;width:105px}.scribble{width:70vw;margin-left:15%}}
@media(prefers-reduced-motion:reduce){.line-art,.phone-device{animation:none!important}.line-art path,.scribble path{stroke-dashoffset:0!important;animation:none!important}.line-art{transform:none!important}}

@media (max-width:980px){.site-nav{width:min(100% - 16px,1280px)}.hero-copy{width:min(100% - 24px,760px)}.device-stage{width:min(100% - 16px,1420px);padding:32px 16px 44px}.hero-device{width:min(100%,980px)}.device-shell{grid-template-columns:160px 1fr 0;min-height:460px}.exam-monitor{display:none}.phone-device{right:10px;bottom:10px;width:112px;height:220px}}
@media (max-width:760px){.site-nav{top:8px;min-height:58px;width:min(100% - 12px,1280px)}.hero{padding-top:96px}.hero-copy{text-align:left}.hero h1{font-size:clamp(2.9rem,11vw,4.6rem)}.hero-actions{flex-wrap:wrap;justify-content:flex-start}.hero-notes{justify-content:flex-start;gap:8px 14px}.device-stage{width:calc(100% - 14px);padding:16px 10px 32px;border-radius:20px}.hero-device{width:100%;margin:0;border-width:5px;border-radius:16px;transform:none}.device-shell{grid-template-columns:minmax(0,1fr);min-height:auto}.exam-sidebar{display:none}.exam-main{padding:16px}.question-panel{padding:14px}.exam-footer{flex-direction:column;align-items:flex-start;gap:10px}.phone-device{position:relative;right:auto;bottom:auto;width:min(100%,220px);height:220px;margin:16px auto 0;transform:none;display:block}.stage-note{display:none}}
@media (max-width:480px){.site-nav{padding:8px 10px}.hero{padding-top:90px}.hero-copy{width:calc(100% - 20px)}.hero .eyebrow{font-size:.6rem}.hero h1{font-size:clamp(2.5rem,10vw,3.3rem);line-height:.9}.hero-lede{font-size:.95rem}.hero-actions{flex-direction:column;align-items:stretch}.hero-actions .button{width:100%;justify-content:center}.device-stage{padding:12px 8px 24px}.device-bar{padding:0 10px;font-size:.62rem}.exam-head{flex-direction:column;align-items:flex-start;gap:8px}.question-progress{grid-template-columns:1fr;gap:6px}.question-progress>i{order:2}.question-panel h3{font-size:1rem}.phone-device{width:100%;max-width:220px}}

/* Responsive hardening for navigation, compact phones and landscape screens. */
.mobile-nav-action{display:none}
@media(max-width:1050px){
  .site-nav{grid-template-columns:minmax(0,1fr) auto}
  .nav-links{max-height:calc(100dvh - 96px);overflow-y:auto;overscroll-behavior:contain}
  .nav-links a{min-height:44px;display:flex;align-items:center}
  .nav-links .mobile-nav-action{display:flex}
  .nav-links .mobile-nav-action--primary{justify-content:center;margin-top:8px;border-radius:999px;background:var(--green);color:#fff}
  .nav-links .mobile-nav-action--primary::after{display:none}
}
@media(max-width:700px){
  .section-heading h2,.trust h2,.final-cta h2{font-size:clamp(2.55rem,12vw,4.4rem)}
  .capabilities{padding-inline:16px}
  .capability-grid article{min-height:auto;padding:22px}
  .capability-grid h3{margin-top:28px}
  .trust{width:calc(100% - 32px)}
  .final-cta{width:calc(100% - 16px);border-radius:22px}
  .final-cta>div{padding:24px 18px}
  .footer{padding-inline:20px}
  .book-shelf,.workflow,.analytics-demo{min-width:0}
}
@media(max-width:480px){
  .site-nav .brand strong{font-size:.95rem}
  .manifesto{min-height:auto;padding-bottom:120px}
  .manifesto-copy{margin-top:90px}
  .manifesto-copy h2{font-size:clamp(2.45rem,12vw,3.7rem)}
  .chapter{width:calc(100% - 24px)}
  .chapter h2{font-size:clamp(2.35rem,11.5vw,3.6rem)}
  .class-demo,.analytics-demo{padding:10px;border-radius:20px}
  .metric,.chart,.report{padding:14px}
  .footer-bottom{line-height:1.5}
}
@media(max-height:520px) and (orientation:landscape){
  .nav-links{max-height:calc(100dvh - 78px)}
  .hero{min-height:auto}
  .final-cta,.final-cta>div{min-height:500px}
}

/* Keep the product chapter previews readable and fully contained at every width. */
.chapter--exam .text-link,
.chapter--class .text-link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:8px 0;
  border-bottom:2px solid currentColor;
  font-size:clamp(1rem,1.35vw,1.18rem);
  line-height:1.25;
}
.chapter--exam .text-link:hover,
.chapter--class .text-link:hover{
  color:var(--green-2);
}
.class-demo{
  width:100%;
  max-width:100%;
  min-width:0;
  overflow:hidden;
}
.class-demo>*{min-width:0}
.teacher-tile{
  background:linear-gradient(145deg,#b9d1c5 0%,#527e6b 100%);
  text-shadow:0 1px 2px rgba(9,45,34,.2);
}
.poll{color:var(--ink)}

@media(max-width:1050px){
  .chapter--class{align-content:start}
  .chapter--class .class-demo{
    grid-template-columns:minmax(0,1.2fr) minmax(220px,.8fr);
    margin-top:12px;
  }
  .chapter--class .teacher-tile{min-height:280px}
}
@media(max-width:700px){
  .chapter--exam .text-link,
  .chapter--class .text-link{
    width:100%;
    margin-top:2px;
    font-size:1.08rem;
  }
  .chapter--class .class-demo{
    grid-template-columns:minmax(0,1fr);
    gap:10px;
    margin-top:8px;
    padding:12px;
  }
  .chapter--class .teacher-tile{
    min-height:210px;
    padding:20px;
  }
  .chapter--class .teacher-tile b{font-size:clamp(1.55rem,8vw,2rem)}
  .chapter--class .poll{
    grid-row:auto;
    padding:16px;
  }
  .chapter--class .poll b{margin:7px 0 16px}
  .chapter--class .participants{
    grid-column:1;
    flex-wrap:wrap;
  }
}
@media(max-width:380px){
  .chapter--class .class-demo{padding:9px}
  .chapter--class .teacher-tile{min-height:185px;padding:16px}
  .chapter--class .poll{padding:14px}
  .chapter--class .participants span{width:36px;height:36px}
}

/* Cinematic generated visuals and interactive depth. */
.visual-stories{display:grid;gap:18px;width:min(1380px,calc(100% - 28px));margin:18px auto 8vh}
.visual-story{--rx:0deg;--ry:0deg;--mx:50%;--my:50%;position:relative;min-height:min(82vh,820px);overflow:hidden;border:1px solid rgba(255,255,255,.2);border-radius:36px;background:#082f26;box-shadow:0 40px 100px rgba(6,45,35,.18);isolation:isolate;transform:perspective(1400px) rotateX(var(--rx)) rotateY(var(--ry));transition:transform .45s var(--ease),box-shadow .45s ease}
.visual-story::before{content:"";position:absolute;z-index:3;inset:0;background:radial-gradient(circle 340px at var(--mx) var(--my),rgba(229,255,157,.16),transparent 72%);pointer-events:none}
.visual-story:hover{box-shadow:0 55px 120px rgba(6,45,35,.25)}
.visual-story>img{position:absolute;z-index:-2;inset:0;width:100%;height:112%;object-fit:cover;transform:translateY(var(--image-shift,0)) scale(1.03);transition:transform 1.1s var(--ease)}
.visual-story:hover>img{transform:translateY(var(--image-shift,0)) scale(1.075)}
.visual-story__shade{position:absolute;z-index:-1;inset:0;background:linear-gradient(90deg,rgba(3,31,25,.9) 0%,rgba(3,31,25,.62) 38%,rgba(3,31,25,.08) 75%),linear-gradient(0deg,rgba(3,31,25,.56),transparent 45%)}
.visual-story--network .visual-story__shade{background:linear-gradient(90deg,rgba(2,28,22,.91),rgba(2,28,22,.35) 52%,rgba(2,28,22,.08)),linear-gradient(0deg,rgba(2,28,22,.68),transparent 55%)}
.visual-story__copy{position:absolute;z-index:5;left:clamp(24px,6vw,88px);bottom:clamp(28px,7vw,92px);max-width:690px;color:#fff}
.visual-story__copy .eyebrow{color:var(--acid,#e5ff9d)}
.visual-story__copy h2{margin:0;font:500 clamp(3rem,6.4vw,6.6rem)/.9 var(--serif);letter-spacing:-.06em;text-wrap:balance}
.visual-story__copy h2 em{color:#e5ff9d}
.visual-story__copy>p:not(.eyebrow){max-width:580px;margin:24px 0;color:rgba(255,255,255,.72);font-size:clamp(.92rem,1.4vw,1.08rem);line-height:1.7}
.button--glass{border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.12);color:#fff;box-shadow:inset 0 1px rgba(255,255,255,.25);backdrop-filter:blur(14px)}
.floating-signal{position:absolute;z-index:6;min-width:150px;padding:16px;border:1px solid rgba(255,255,255,.28);border-radius:18px;background:rgba(248,248,243,.82);box-shadow:0 20px 55px rgba(0,0,0,.16);backdrop-filter:blur(18px);animation:signalFloat 5s ease-in-out infinite alternate}
.floating-signal span,.floating-signal small{display:block;color:#637069;font-size:.58rem}.floating-signal b{display:inline-block;margin:4px 2px 1px 0;color:var(--green);font:600 2.1rem var(--serif)}.floating-signal i{float:right;width:8px;height:8px;border-radius:50%;background:#80c79f;box-shadow:0 0 0 7px rgba(128,199,159,.14);animation:softPulse 2s infinite}
.floating-signal--one{top:16%;right:6%}.floating-signal--two{right:18%;bottom:12%;animation-delay:-2.2s}.floating-signal--three{top:16%;right:7%;animation-delay:-1.4s}
.network-orbit{position:absolute;z-index:2;top:9%;right:5%;width:260px;aspect-ratio:1;border:1px solid rgba(229,255,157,.32);border-radius:50%;animation:orbitSpin 18s linear infinite}.network-orbit::before,.network-orbit::after{content:"";position:absolute;inset:18%;border:1px solid rgba(255,255,255,.25);border-radius:50%}.network-orbit::after{inset:36%}.network-orbit i{position:absolute;width:10px;height:10px;border-radius:50%;background:#e5ff9d;box-shadow:0 0 20px #e5ff9d}.network-orbit i:first-child{top:-5px;left:50%}.network-orbit i:nth-child(2){right:8%;bottom:18%}.network-orbit i:nth-child(3){bottom:9%;left:12%}
.final-cta__veil{position:absolute!important;z-index:1!important;inset:0!important;min-height:0!important;background:linear-gradient(90deg,rgba(2,30,24,.88),rgba(2,30,24,.5) 48%,rgba(2,30,24,.12))}
.final-cta>div:last-child{align-items:flex-start;width:100%;padding-left:clamp(28px,8vw,120px);text-align:left}.final-cta>div:last-child p{margin-left:0}.final-cta>div:last-child .hero-actions{justify-content:flex-start}
@keyframes signalFloat{to{transform:translateY(-12px) rotate(.8deg)}}@keyframes orbitSpin{to{transform:rotate(360deg)}}
@media(max-width:760px){
  .visual-stories{width:calc(100% - 16px);gap:10px;margin-top:10px}
  .visual-story{min-height:700px;border-radius:24px;transform:none!important}
  .visual-story>img{height:100%;object-position:45% center}
  .visual-story--network>img{object-position:58% center}
  .visual-story__shade,.visual-story--network .visual-story__shade{background:linear-gradient(0deg,rgba(3,31,25,.96),rgba(3,31,25,.36) 70%,rgba(3,31,25,.15))}
  .visual-story__copy{right:22px;bottom:28px;left:22px}
  .visual-story__copy h2{font-size:clamp(2.65rem,12vw,4.3rem)}
  .floating-signal{min-width:130px;padding:12px}.floating-signal--one,.floating-signal--three{top:20px;right:18px}.floating-signal--two{display:none}
  .network-orbit{top:16%;right:-70px;width:210px}
  .final-cta>div:last-child{padding:30px 22px}
}
@media(max-width:420px){.visual-story{min-height:650px}.visual-story__copy>p:not(.eyebrow){margin:18px 0}.floating-signal b{font-size:1.7rem}}
@media(prefers-reduced-motion:reduce){.visual-story,.visual-story>img{transform:none!important}.floating-signal,.network-orbit{animation:none!important}}

/* Use the transparent Testanix mark inside the mobile-monitor mockup. */
.phone-brand img{width:18px;height:18px;object-fit:contain;filter:brightness(0) invert(1)}