/* Apresentação inicial: visual acolhedor, estático e com alto contraste. */
.landing{display:flex;flex-direction:column;gap:72px}
.landing-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);align-items:center;gap:42px;min-height:620px;padding:clamp(36px,5vw,64px);border:1px solid #e3dac9;border-radius:32px;background:linear-gradient(120deg,#fff9ee 0%,#fbf8ef 47%,#dceee5 100%)}
.landing-hero::before{content:"";position:absolute;right:-105px;top:-130px;width:300px;height:300px;border:2px solid #cadfd3;border-radius:50%;pointer-events:none}
.landing-hero::after{content:"";position:absolute;left:-90px;bottom:-170px;width:250px;height:250px;border:2px solid #eee0c6;border-radius:50%;pointer-events:none}
.landing-copy,.landing-showcase{position:relative;z-index:1}
.landing-label{display:inline-flex;align-items:center;gap:9px;width:max-content;max-width:100%;padding:8px 13px;margin:0 0 23px;border-radius:99px;background:#fff;border:1px solid #c6d9cc;color:#275c53;font-size:12px;font-weight:800;letter-spacing:.09em}
.landing-label span{font-size:18px;color:#a3532e;line-height:1}
.landing-copy h1{max-width:570px;margin:0 0 22px;font-size:clamp(44px,4.7vw,64px);line-height:1.06;letter-spacing:-.046em;color:#173238}
.landing-copy h1 em{display:block;font-style:normal;color:#a34f2b}
.landing-lead{max-width:510px;margin:0 0 30px;color:#35545a;font-size:19px;line-height:1.55}
.landing-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.landing-actions .btn,.landing-closer .btn{min-height:56px;padding:12px 20px;font-size:16px}
.landing-primary{background:#173f45;border-color:#173f45;color:#fff;box-shadow:0 5px 0 #bed4c6}
.landing-primary:hover{background:#0f3035;border-color:#0f3035}
.landing-primary span,.landing-teacher-button span{margin-left:13px;font-size:21px;line-height:0}
.landing-secondary{background:#fff;border-color:#9fbbb0;color:#173f45}
.landing-secondary:hover{background:#f3f8f4}
.landing-entry-note{display:flex;align-items:center;gap:8px;margin:20px 0 0;color:#43635f;font-size:14px;font-weight:700}
.landing-entry-note span{color:#287966;font-size:12px}
.landing-showcase{display:grid;justify-items:center;padding:36px 0 20px}
.landing-showcase::before{content:"";position:absolute;top:-14px;right:-38px;width:340px;height:340px;border-radius:50%;background:#ead6ae;opacity:.48;z-index:-1}
.showcase-card{width:min(100%,450px);padding:22px;background:#fff;border:1px solid #c8d9d0;border-radius:25px;box-shadow:0 22px 50px #173f4524}
.showcase-top{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#173f45;font-size:14px;font-weight:800}
.showcase-brand{display:inline-flex;align-items:center;gap:8px}
.showcase-brand-icon{display:grid;place-items:center;width:28px;height:28px;border-radius:8px;background:#dbe9d4;font-size:23px;line-height:1}
.showcase-stage{padding:6px 11px;background:#e8f3eb;border-radius:99px;color:#276459;font-size:12px}
.showcase-progress{display:flex;gap:6px;margin:20px 0 22px}
.showcase-progress i{display:block;flex:1;height:7px;border-radius:99px;background:#e0ebe4}
.showcase-progress i:first-child{background:#28796c}
.showcase-small{margin:0 0 7px;color:#287265;font-size:11px;font-weight:800;letter-spacing:.12em}
.showcase-card h2{margin:0 0 16px;color:#173238;font-size:29px;letter-spacing:-.025em}
.showcase-figure{display:flex;align-items:center;justify-content:center;gap:24px;min-height:144px;padding:15px;background:#f2f7f1;border:1px solid #d0e1d5;border-radius:17px}
.showcase-group{display:grid;grid-template-columns:repeat(2,23px);grid-auto-rows:23px;justify-content:center;align-content:center;gap:9px;width:102px;height:100px;border:2px solid #83b2a3;border-radius:15px;background:#fff}
.showcase-group i{width:20px;height:20px;border-radius:50%;background:#347e71;border:2px solid #1b514b}
.showcase-group i:last-child{grid-column:1/3;justify-self:center}
.showcase-plus{font-size:29px;font-weight:800;color:#28685d}
.showcase-answers{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.showcase-answers span{display:grid;place-items:center;min-height:47px;border:2px solid #adc8ba;border-radius:12px;color:#173f45;font-size:22px;font-weight:800}
.showcase-help{display:flex;justify-content:space-between;gap:12px;margin-top:16px;color:#2d645a;font-size:12px;font-weight:800}
.showcase-caption{display:flex;align-items:center;gap:9px;margin-top:17px;padding:10px 14px;border:1px solid #d4e2d5;border-radius:99px;background:#fff;color:#2f5e56;font-size:13px;font-weight:800;text-align:center}
.showcase-caption span{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:#dbeedb;color:#1c6b5d}
.landing-highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:-35px;background:#fff;border:1px solid #dfe9e2;border-radius:22px;box-shadow:0 8px 24px #173f4508}
.landing-highlights>div{display:flex;align-items:center;gap:15px;min-height:112px;padding:23px 25px}
.landing-highlights>div+div{border-left:1px solid #e1eae5}
.highlight-icon{flex:none;display:grid;place-items:center;width:49px;height:49px;border-radius:15px;background:#e4f1e8;color:#20675a;font-size:29px;font-weight:700;line-height:1}
.landing-highlights>div:nth-child(2) .highlight-icon{background:#fff0dc;color:#955227}
.landing-highlights>div:nth-child(3) .highlight-icon{background:#e8edf8;color:#425d88}
.landing-highlights p{margin:0;line-height:1.25}
.landing-highlights strong{display:block;color:#173238;font-size:17px}
.landing-highlights small{display:block;margin-top:5px;color:#566b6a;font-size:13px}
.landing-section-heading{display:flex;align-items:end;justify-content:space-between;gap:34px;margin-bottom:25px}
.landing-section-heading h2{max-width:590px;margin:0;color:#173238;font-size:clamp(31px,3.4vw,43px);letter-spacing:-.03em}
.landing-section-heading>p{max-width:330px;margin:0;color:#526a6b;font-size:16px}
.landing-benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.landing-benefit{position:relative;min-height:290px;padding:27px;border:1px solid #d8e7df;border-radius:24px;background:#eaf4ed}
.landing-benefit:nth-child(2){border-color:#f1dfc2;background:#fff3e2}
.landing-benefit:nth-child(3){border-color:#dce5f2;background:#edf2f9}
.benefit-icon{display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid #a9c9b4;border-radius:12px;background:#fff;color:#285f52;font-size:14px;font-weight:800}
.landing-benefit:nth-child(2) .benefit-icon{border-color:#e5bc8d;color:#875025}
.landing-benefit:nth-child(3) .benefit-icon{border-color:#b9cce2;color:#405e88}
.benefit-drawing{display:flex;align-items:center;gap:9px;height:85px;margin:9px 0 10px}
.benefit-drawing-one span{display:grid;place-items:center;width:44px;height:44px;border:2px solid #5b9989;border-radius:12px;background:#fff;color:#20645b;font-size:26px;font-weight:700}
.benefit-drawing-one span:nth-child(2){transform:rotate(-8deg)}
.benefit-drawing-two span{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:#fff;color:#955729;font-size:23px;font-weight:800;border:2px solid #ddb884}
.benefit-drawing-three span{display:block;width:45px;border-radius:10px 10px 4px 4px;background:#789abc;align-self:end}
.benefit-drawing-three span:nth-child(1){height:34px}.benefit-drawing-three span:nth-child(2){height:53px}.benefit-drawing-three span:nth-child(3){height:70px}
.landing-benefit h3{margin:0 0 10px;color:#173238;font-size:22px}
.landing-benefit p{max-width:310px;margin:0;color:#4e6465;font-size:16px}
.landing-teacher{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.88fr);align-items:center;gap:55px;padding:clamp(35px,5vw,60px);border-radius:30px;background:#173f45;color:#fff}
.landing-teacher-label{margin:0 0 13px;color:#b9dfc9;font-size:12px;font-weight:800;letter-spacing:.14em}
.landing-teacher h2{max-width:530px;margin:0 0 19px;font-size:clamp(33px,3.4vw,46px);letter-spacing:-.032em}
.landing-teacher p:not(.landing-teacher-label){max-width:500px;color:#e0ede7;font-size:17px}
.landing-teacher-button{margin-top:11px;background:#fff;border-color:#fff;color:#173f45}
.landing-teacher-button:hover{background:#eaf2eb;border-color:#eaf2eb}
.teacher-preview{padding:24px;background:#fff;border-radius:21px;color:#173238;box-shadow:0 18px 38px #102c2f55}
.teacher-preview-head{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:15px;font-weight:800}
.teacher-preview-badge{padding:5px 9px;border-radius:99px;background:#e5f1e8;color:#2d6b5c;font-size:11px}
.teacher-preview-title{margin-top:24px;color:#31514f;font-size:13px;font-weight:800}
.teacher-preview-chart{display:flex;align-items:end;gap:11px;height:115px;margin:12px 0 15px;padding:0 8px 8px;border-bottom:1px solid #dae6df}
.teacher-preview-chart span{flex:1;border-radius:8px 8px 0 0;background:#badbc7}
.teacher-preview-chart span:last-child{background:#31836f}
.teacher-preview-row{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid #e8efea;font-size:14px}
.teacher-preview-row strong{font-size:17px;color:#173f45}
.teacher-preview-foot{margin-top:17px;padding:11px 13px;border-radius:11px;background:#e9f4eb;color:#275d52;font-size:13px;font-weight:800}
.landing-closer{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:36px 43px;border:1px solid #e7d9be;border-radius:25px;background:#fff8e9}
.landing-closer h2{max-width:640px;margin:0 0 9px;color:#173238;font-size:clamp(28px,3vw,38px);letter-spacing:-.025em}
.landing-closer p:last-child{margin:0;color:#5d6862}
.landing-closer .btn{flex:none}
.landing-footnote{margin:-35px 0 0;text-align:center;color:#607371;font-size:13px}
@media(max-width:980px){.landing-hero{grid-template-columns:1fr;min-height:0;gap:18px}.landing-copy h1{max-width:700px}.landing-showcase{width:100%;max-width:600px;margin:auto}.landing-teacher{gap:28px}}
@media(max-width:780px){.landing{gap:50px}.landing-hero{padding:35px 27px;border-radius:25px}.landing-highlights{grid-template-columns:1fr;margin-top:-20px}.landing-highlights>div{min-height:90px}.landing-highlights>div+div{border-left:0;border-top:1px solid #e1eae5}.landing-section-heading{display:block}.landing-section-heading>p{margin-top:13px}.landing-benefit-grid,.landing-teacher{grid-template-columns:1fr}.landing-benefit{min-height:0}.landing-teacher{border-radius:25px}.landing-closer{align-items:start;flex-direction:column;padding:30px}.landing-footnote{margin:-15px 0 0}}
@media(max-width:520px){.landing-hero{padding:29px 21px}.landing-label{font-size:10px;letter-spacing:.05em}.landing-copy h1{font-size:clamp(39px,11vw,52px)}.landing-lead{font-size:17px}.landing-actions{display:grid;grid-template-columns:1fr}.landing-actions .btn,.landing-closer .btn{width:100%;text-align:center}.showcase-card{padding:17px}.showcase-figure{gap:13px;min-height:120px}.showcase-group{width:82px;height:82px;grid-template-columns:repeat(2,18px);grid-auto-rows:18px;gap:6px}.showcase-group i{width:18px;height:18px}.showcase-caption{font-size:11px}.landing-closer{padding:26px}.landing-teacher{padding:30px 23px}}