*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,sans-serif;color:#17211c;background:#f7f7f3;line-height:1.6}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:16px clamp(20px,5vw,72px);background:#f7f7f3ee;border-bottom:1px solid #dde2dc}.brand{display:flex;gap:12px;align-items:center;color:inherit;text-decoration:none}.mark{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#173f32;color:#fff;font-weight:800}.brand span:last-child{display:flex;flex-direction:column;line-height:1.15}.brand small{font-size:11px;color:#68736d;margin-top:4px}.topbar nav{display:flex;gap:24px}.topbar nav a{color:#3c4b44;text-decoration:none;font-weight:700;font-size:14px}.hero{min-height:590px;display:grid;grid-template-columns:1.5fr .7fr;gap:70px;align-items:center;padding:90px clamp(20px,7vw,110px);background:radial-gradient(circle at 90% 20%,#e6eee7 0,transparent 32%)}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:800;color:#7c5b20;margin:0 0 12px}.hero h1,.section h2{font-family:Georgia,serif;font-weight:500}.hero h1{font-size:clamp(46px,7vw,78px);line-height:1.03;letter-spacing:-.035em;margin:0}.hero h1 em{color:#275c49;font-style:normal}.lead{font-size:19px;max-width:720px;color:#59645f;margin:28px 0}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:13px 18px;font-weight:750;text-decoration:none;border:1px solid transparent}.primary{background:#173f32;color:#fff}.secondary{border-color:#cbd3ce;color:#173f32;background:#fff}.progress-card{background:#fff;border:1px solid #dde2dc;border-radius:22px;padding:30px;box-shadow:0 18px 50px #173f3214}.progress-card strong{display:block;font-family:Georgia,serif;font-size:52px;color:#173f32}.progress-card span,.progress-card small{color:#6a746f}.bar{height:9px;background:#edf0ed;border-radius:99px;overflow:hidden;margin:12px 0}.bar i{display:block;height:100%;width:0;background:#173f32}.section{padding:85px clamp(20px,7vw,110px)}.section-head{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:35px}.section h2{font-size:clamp(32px,4vw,48px);line-height:1.1;margin:0}.section-head>p{color:#68736d;margin:0}.units{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.unit,.material{background:#fff;border:1px solid #dde2dc;border-radius:18px;padding:26px}.unit .number,.material span{font-size:12px;font-weight:800;letter-spacing:.08em;color:#8a6a2f}.unit h3{font-family:Georgia,serif;font-size:25px;margin:10px 0}.unit p,.material p{color:#69736e}.unit button{background:none;border:0;padding:0;color:#275c49;font-weight:800;cursor:pointer}.unit.done{outline:2px solid #9fb9ad}.library{background:#edf1ec}.material-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.material h3{margin:8px 0}.material p{font-size:14px}.practice{display:flex;justify-content:space-between;gap:50px;align-items:center;background:#173f32;color:#fff}.practice .eyebrow{color:#d7bd82}.practice p:not(.eyebrow){color:#d9e2dd}.practice .primary{background:#fff;color:#173f32;border:0}.practice button{opacity:.6}footer{display:flex;justify-content:space-between;gap:20px;padding:28px clamp(20px,7vw,110px);font-size:13px;color:#9ba9a1;background:#101a16}@media(max-width:800px){.topbar nav{display:none}.hero{grid-template-columns:1fr;gap:35px;padding-top:60px}.section-head{grid-template-columns:1fr;gap:15px}.units{grid-template-columns:1fr}.material-grid{grid-template-columns:1fr 1fr}.practice{align-items:flex-start;flex-direction:column}footer{flex-direction:column}}@media(max-width:480px){.material-grid{grid-template-columns:1fr}}
/* Área interna do curso */
.course-shell{display:grid;grid-template-columns:320px minmax(0,1fr);min-height:calc(100vh - 75px)}.course-nav{padding:45px 28px;background:#f0ebe5;border-right:1px solid #ded6cf;position:sticky;top:75px;height:calc(100vh - 75px);overflow:auto}.course-nav h2{font-family:Georgia,serif;font-size:27px;line-height:1.15;font-weight:500}.course-nav a{display:flex;gap:12px;padding:14px 10px;margin:4px 0;border-radius:10px;color:#4b4a47;text-decoration:none;line-height:1.25}.course-nav a small{color:#8b1e2d;font-weight:800}.course-nav a.active{background:#fff;color:#0f4c8a}.course-nav a.done:after{content:"✓";margin-left:auto;color:#8b1e2d}.lesson{max-width:900px;padding:60px clamp(25px,6vw,90px) 100px}.lesson h1{font-family:Georgia,serif;font-size:clamp(38px,5vw,60px);line-height:1.05;font-weight:500;color:#173d67;margin:0 0 18px}.lesson h2{font-family:Georgia,serif;font-size:28px;color:#641725;margin-top:42px}.lesson-lead{font-size:20px;color:#69706d;border-bottom:1px solid #dedbd6;padding-bottom:28px}.timeline{display:grid;grid-template-columns:90px 1fr;gap:8px 18px;background:#f5efe8;padding:24px;border-radius:14px;margin:28px 0}.timeline b{color:#8b1e2d}.concept-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0}.concept-grid section{background:#f8f6f2;border:1px solid #e4dfd8;border-radius:14px;padding:20px}.concept-grid b{font-family:Georgia,serif;font-size:22px;color:#0f4c8a}.reflection{border-left:4px solid #c9a25e;background:#fbf7ef;padding:20px 24px;margin:28px 0}.reflection b{color:#7a1e2d}.source-note{font-size:13px;color:#7a7b78;border-top:1px solid #e3e0db;padding-top:18px;margin-top:38px}.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:28px 0}.topic-list span{background:#fff;border:1px solid #dedbd6;border-radius:10px;padding:14px 16px;font-weight:700}.lesson-actions{margin-top:50px;padding-top:25px;border-top:1px solid #ddd}.lesson-actions button{background:#8b1e2d;color:#fff;border:0;border-radius:10px;padding:14px 20px;font-weight:800;cursor:pointer}footer a{color:#d7bd82}@media(max-width:850px){.course-shell{grid-template-columns:1fr}.course-nav{position:relative;top:0;height:auto;border-right:0;border-bottom:1px solid #ded6cf}.concept-grid,.topic-list{grid-template-columns:1fr}.lesson{padding-top:40px}}
.visual-item{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px 20px;border:1px solid #dedbd6;border-radius:12px;background:#fff;margin:9px 0}.visual-item h3{font-family:Georgia,serif;color:#173d67;margin:3px 0;font-size:20px}.visual-item p{margin:0;color:#6c716e;font-size:14px}.page-ref,.source-badge{font-size:11px;font-weight:800;letter-spacing:.08em}.page-ref{color:#8b1e2d}.source-badge{color:#7c5b20;background:#f8f1e4;padding:6px 8px;border-radius:99px;white-space:nowrap}@media(max-width:600px){.visual-item{align-items:flex-start;flex-direction:column}}
.visual-open{border:0;cursor:pointer}.visual-viewer{display:none;position:fixed;inset:0;z-index:50;background:#101714d9;padding:30px;overflow:auto}.visual-viewer.open{display:block}.viewer-panel{position:relative;max-width:1050px;margin:auto;background:#f8f6f2;border-radius:18px;padding:35px}.viewer-close{position:absolute;right:22px;top:16px;border:0;background:none;font-size:32px;cursor:pointer;color:#641725}.viewer-panel h2{font-family:Georgia,serif;font-size:36px;color:#173d67;margin:0}.viewer-pages{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:25px}.viewer-pages figure{margin:0}.page-placeholder{aspect-ratio:595/842;background:#fff;border:1px solid #ddd7cf;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;border-radius:8px;color:#7a7169}.page-placeholder strong{font-family:Georgia,serif;color:#173d67;font-size:24px}.page-placeholder span{font-size:13px}.viewer-pages figcaption{text-align:center;font-size:12px;color:#777;margin-top:6px}@media(max-width:700px){.viewer-pages{grid-template-columns:1fr}.visual-viewer{padding:10px}.viewer-panel{padding:28px 16px}}
/* Visualizador de apostila: uma página por vez */
.viewer-panel.single{max-width:900px}.viewer-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.viewer-heading #viewerCounter{font-size:13px;font-weight:800;color:#7c5b20;white-space:nowrap}.single-stage{display:grid;grid-template-columns:52px minmax(0,1fr) 52px;gap:14px;align-items:center}.single-stage figure{margin:0;min-width:0}.single-stage figure img{display:block;max-width:100%;max-height:68rem;margin:auto;border:1px solid #ddd7cf;border-radius:8px;background:#fff}.single-stage .page-placeholder{max-width:650px;margin:auto;aspect-ratio:595/842}.slide-arrow{width:48px;height:48px;border-radius:50%;border:1px solid #d7d0c8;background:#fff;color:#641725;font-size:34px;line-height:1;cursor:pointer}.slide-arrow:disabled{opacity:.22;cursor:default}.viewer-dots{display:flex;justify-content:center;flex-wrap:wrap;gap:7px;margin-top:16px}.viewer-dots button{width:8px;height:8px;border:0;border-radius:50%;padding:0;background:#cfc8c0;cursor:pointer}.viewer-dots button.active{background:#8b1e2d;transform:scale(1.35)}.viewer-help{text-align:center;color:#777;font-size:12px;margin:8px 0 0}@media(max-width:650px){.viewer-heading{align-items:flex-start;flex-direction:column;gap:4px}.single-stage{grid-template-columns:42px minmax(0,1fr) 42px;gap:5px}.slide-arrow{width:40px;height:40px}.viewer-dots{display:none}}