:root{--red:#cc0001;--ink:#121212;--muted:#717171;--line:#dedede;--paper:#f4f4f1;--white:#fff;--dark:#171717}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif}.top{height:76px;position:fixed;z-index:20;top:0;left:0;right:0;background:rgba(250,250,248,.94);backdrop-filter:blur(16px);border-bottom:1px solid #ddd;display:flex;align-items:center;justify-content:space-between;padding:0 34px}.brand{display:flex;align-items:center;text-decoration:none;color:#111;line-height:.85}.brand>b{font-size:38px;color:var(--red);letter-spacing:-4px}.brand span{font-weight:900;font-size:18px;margin-left:7px}.brand small{font-size:8px;display:block;letter-spacing:.18em;margin-top:4px}.top-meta{display:flex;align-items:center;gap:24px}.sys{font:10px monospace;letter-spacing:.12em;color:#777}.sys b{color:var(--red)}.profile-btn{border:0;background:none;display:flex;align-items:center;gap:10px;cursor:pointer;text-align:left}.profile-btn>span:first-child{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#111;color:#fff;font-weight:900}.profile-btn small{display:block;font-size:8px;color:#888;letter-spacing:.15em}.profile-btn b{font-size:12px}.app{display:grid;grid-template-columns:270px 1fr;min-height:100vh;padding-top:76px}.side{position:fixed;top:76px;bottom:0;width:270px;background:#fff;border-right:1px solid #ddd;padding:34px 24px;display:flex;flex-direction:column}.course-id small{font-size:9px;color:var(--red);font-weight:900;letter-spacing:.18em}.course-id strong{display:block;font-size:21px;line-height:1;margin:8px 0}.course-id span{font:9px monospace;color:#888}.side nav{margin:38px -8px 0;display:grid;gap:5px}.side nav button{border:0;background:none;text-align:left;padding:12px 14px;font-size:10px;font-weight:900;letter-spacing:.1em;cursor:pointer;border-left:3px solid transparent}.side nav button:hover,.side nav button.active{background:#f5f5f3;border-left-color:var(--red);color:var(--red)}.side-progress{margin-top:auto;border-top:1px solid #ddd;padding-top:18px}.side-progress small,.eyebrow{font:9px monospace;letter-spacing:.16em;color:#777}.bar{height:4px;background:#ddd;margin:9px 0}.bar i{display:block;height:100%;background:var(--red);width:0;transition:.4s}.side-progress b{font-size:24px}.side-progress span{display:block;font-size:10px;color:#777;margin-top:3px}.back{font-size:9px;font-weight:900;color:#777;text-decoration:none;margin-top:22px}.app>main{grid-column:2;padding:48px clamp(30px,6vw,90px) 90px;max-width:1450px;width:100%}.hero-student{display:grid;grid-template-columns:1.25fr .75fr;min-height:300px;background:#fff;border:1px solid #ddd}.hero-copy{padding:48px}.hero-copy h1{font-size:clamp(40px,5vw,74px);line-height:.88;letter-spacing:-.055em;margin:16px 0}.hero-copy h1 em{font-style:normal;color:var(--red)}.hero-copy p{max-width:650px;color:#666;line-height:1.6}.hero-tech{background:#181818;color:#fff;padding:34px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.hero-tech:after{content:'V.O.A.R.';position:absolute;right:-18px;bottom:-18px;font-size:70px;font-weight:900;color:#272727;letter-spacing:-.06em}.hud{font:10px monospace;line-height:1.9;color:#aaa}.hud b{color:#ff2c2c}.big-pct{font-size:66px;font-weight:900;letter-spacing:-.06em;z-index:1}.big-pct small{display:block;font:9px monospace;letter-spacing:.16em;color:#aaa}.section-head{display:flex;justify-content:space-between;align-items:end;margin:58px 0 20px}.section-head h2{font-size:32px;letter-spacing:-.04em;margin:6px 0 0}.section-head p{max-width:540px;color:#777;font-size:13px}.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.module-card{background:#fff;border:1px solid #ddd;padding:24px;min-height:230px;display:flex;flex-direction:column;position:relative;transition:.2s}.module-card:hover{transform:translateY(-3px);box-shadow:0 12px 30px #0000000d}.module-card.locked{opacity:.55}.module-card.done{border-top:4px solid var(--red)}.module-card .num{font-size:42px;font-weight:900;color:#ddd}.module-card.done .num{color:var(--red)}.module-card h3{font-size:18px;line-height:1.05;margin:18px 0 8px}.module-card p{font-size:12px;color:#777;line-height:1.5}.module-card footer{margin-top:auto;display:flex;justify-content:space-between;align-items:center}.tag{font:9px monospace;color:var(--red);letter-spacing:.12em}.go{border:0;background:#111;color:#fff;padding:9px 12px;font-size:9px;font-weight:900;cursor:pointer}.locked .go{background:#bbb}.status-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px}.stat{background:#fff;border:1px solid #ddd;padding:18px}.stat b{font-size:28px;display:block}.stat span{font-size:9px;color:#777;letter-spacing:.12em}.module-page .module-hero{display:grid;grid-template-columns:1fr 260px;background:#fff;border:1px solid #ddd}.module-title{padding:42px}.module-title h1{font-size:46px;line-height:.95;letter-spacing:-.05em;margin:14px 0}.module-title p{color:#666;line-height:1.6}.module-index{background:var(--red);color:#fff;padding:34px;display:flex;flex-direction:column;justify-content:space-between}.module-index b{font-size:72px;line-height:.8}.module-index span{font:10px monospace;letter-spacing:.12em}.lesson-list{display:grid;gap:12px;margin-top:28px}.lesson{background:#fff;border:1px solid #ddd}.lesson-head{display:flex;align-items:center;gap:16px;padding:20px;cursor:pointer}.lesson-head .ln{font:11px monospace;color:var(--red)}.lesson-head h3{font-size:18px;margin:0;flex:1}.lesson-head .check{width:25px;height:25px;border-radius:50%;border:1px solid #bbb;display:grid;place-items:center;font-size:11px}.lesson.completed .check{background:var(--red);border-color:var(--red);color:#fff}.lesson-body{display:none;padding:0 22px 24px 58px;max-width:900px}.lesson.open .lesson-body{display:block}.lesson-body p{line-height:1.7;color:#555}.callout{border-left:4px solid var(--red);background:#f4f4f1;padding:15px 18px;margin:18px 0}.callout small{font:9px monospace;color:var(--red);letter-spacing:.12em}.callout b{display:block;margin-top:6px}.lesson-action{border:0;background:#111;color:#fff;padding:10px 14px;font-size:9px;font-weight:900;cursor:pointer}.activity,.quiz-box{margin-top:28px;background:#171717;color:#fff;padding:30px}.activity h2,.quiz-box h2{font-size:30px;margin:8px 0}.activity p,.quiz-box p{color:#bbb;line-height:1.6}.choices{display:grid;gap:10px;margin-top:18px}.choice{border:1px solid #555;background:#222;color:#fff;text-align:left;padding:14px;cursor:pointer}.choice.good{border-color:#38a169;background:#16351f}.choice.bad{border-color:#e53e3e;background:#3a1717}.feedback{margin-top:14px;padding:12px;border-left:3px solid var(--red);background:#242424;display:none}.quiz-q{padding:18px 0;border-top:1px solid #444}.quiz-q h4{font-size:15px;margin:0 0 12px}.quiz-options{display:grid;gap:8px}.quiz-options button{background:#222;border:1px solid #444;color:#fff;text-align:left;padding:11px;cursor:pointer}.quiz-options button.selected{border-color:#fff}.quiz-options button.correct{border-color:#38a169;background:#16351f}.quiz-options button.wrong{border-color:#e53e3e;background:#3a1717}.quiz-feedback{font-size:12px;color:#bbb;margin-top:8px;display:none}.quiz-finish{margin-top:20px;background:var(--red);color:#fff;border:0;padding:14px 18px;font-weight:900;cursor:pointer}.completion{background:#fff;border:1px solid #ddd;padding:32px;margin-top:28px}.completion h2{font-size:32px;margin:5px 0}.completion .next{display:inline-block;margin-top:12px;background:var(--red);color:#fff;border:0;padding:13px 16px;font-weight:900;cursor:pointer}.library-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.resource{background:#fff;border:1px solid #ddd;padding:24px}.resource h3{margin:12px 0 8px}.resource p{color:#777;line-height:1.5;font-size:13px}.resource button{border:1px solid #222;background:none;padding:9px 12px;font-size:9px;font-weight:900;cursor:pointer}.check-demo{display:grid;gap:8px;margin-top:14px}.check-demo label{background:#f5f5f3;padding:10px;font-size:12px}.profile-card,.class-card{background:#fff;border:1px solid #ddd;padding:30px;max-width:800px}.field{margin:15px 0}.field label{font-size:9px;color:#777;font-weight:900;letter-spacing:.12em;display:block;margin-bottom:6px}.field input{width:100%;padding:12px;border:1px solid #ccc;font-size:14px}.save{background:var(--red);color:#fff;border:0;padding:12px 18px;font-weight:900;cursor:pointer}.toast{position:fixed;right:24px;bottom:24px;background:#111;color:#fff;padding:14px 18px;font-size:12px;transform:translateY(100px);opacity:0;transition:.3s;z-index:50}.toast.show{transform:none;opacity:1}@media(max-width:950px){.app{display:block}.side{position:static;width:auto;height:auto;display:block;padding:18px;margin-top:0}.side nav{display:flex;overflow:auto;margin:20px 0 0}.side-progress,.back{display:none}.app>main{padding:28px 18px}.hero-student,.module-page .module-hero{grid-template-columns:1fr}.module-grid{grid-template-columns:1fr 1fr}.status-row{grid-template-columns:1fr 1fr}.top{padding:0 18px}.sys{display:none}.library-grid{grid-template-columns:1fr}}@media(max-width:600px){.module-grid{grid-template-columns:1fr}.hero-copy{padding:30px}.hero-copy h1{font-size:44px}.module-title h1{font-size:38px}.lesson-body{padding-left:20px}.top{height:66px}.app{padding-top:66px}.side{margin-top:0}.profile-btn span:last-child{display:none}}


/* v2.7.1 — reforço visual do quiz; aprofundamento migrado para IA */
.correct-flash{animation:correctPulse3 1.75s ease-in-out forwards}/* v2.7 — Assistente IA contextual do curso */
.ai-fab{position:fixed;right:24px;bottom:24px;z-index:80;border:0;background:#171717;color:#fff;min-width:164px;height:58px;padding:0 18px;border-radius:30px;box-shadow:0 16px 40px #0004;display:flex;align-items:center;gap:9px;cursor:pointer;transition:.2s}.ai-fab:hover{transform:translateY(-3px);box-shadow:0 20px 48px #0005}.ai-fab b{font-size:18px;color:#fff}.ai-fab small{font-size:8px;letter-spacing:.12em;font-weight:900}.ai-dot{width:9px;height:9px;border-radius:50%;background:#38a169;box-shadow:0 0 0 5px #38a16922;animation:aiLive 1.8s infinite}@keyframes aiLive{50%{box-shadow:0 0 0 9px #38a16908}}
.ai-panel{position:fixed;right:24px;bottom:24px;width:min(410px,calc(100vw - 32px));height:min(650px,calc(100vh - 100px));background:#fff;z-index:90;box-shadow:0 28px 80px #0005;border-top:5px solid var(--red);display:none;grid-template-rows:auto auto 1fr auto auto auto}.ai-panel.open{display:grid;animation:aiOpen .2s ease-out}@keyframes aiOpen{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}.ai-panel header{display:flex;justify-content:space-between;gap:14px;padding:20px 20px 14px;border-bottom:1px solid #e5e5e5}.ai-panel h3{margin:5px 0 0;font-size:18px}.ai-panel h3 em{font-style:normal;color:var(--red);font-size:9px;letter-spacing:.12em}.ai-panel header>button{border:0;background:#eee;width:32px;height:32px;font-size:22px;cursor:pointer}.ai-context{font:9px monospace;letter-spacing:.1em;color:#777;background:#f4f4f1;padding:9px 20px}.ai-messages{overflow:auto;padding:18px;display:flex;flex-direction:column;gap:10px}.ai-msg{max-width:88%;padding:11px 13px;font-size:12px;line-height:1.55}.ai-msg.bot{background:#f0f0ed;border-left:3px solid var(--red);align-self:flex-start}.ai-msg.user{background:#171717;color:#fff;align-self:flex-end}.ai-msg small{display:block;margin-top:7px;color:#888;font:8px monospace;letter-spacing:.06em}.ai-chips{display:flex;gap:6px;overflow:auto;padding:0 16px 10px}.ai-chips button{white-space:nowrap;border:1px solid #ccc;background:#fff;padding:7px 9px;font-size:9px;font-weight:800;cursor:pointer}.ai-chips button:hover{border-color:var(--red);color:var(--red)}#aiForm{display:grid;grid-template-columns:1fr auto;border-top:1px solid #ddd;padding:12px}#aiForm input{border:1px solid #ccc;padding:12px;font-size:12px;min-width:0}#aiForm button{border:0;background:var(--red);color:#fff;font-size:9px;font-weight:900;padding:0 14px;cursor:pointer}.ai-panel>footer{padding:0 14px 12px;font:8px monospace;color:#999;text-align:center;letter-spacing:.06em}@media(max-width:600px){.ai-fab{right:14px;bottom:14px;min-width:58px;width:58px;padding:0;justify-content:center}.ai-fab small{display:none}.ai-panel{right:8px;bottom:8px;width:calc(100vw - 16px);height:calc(100vh - 82px)}}

/* v2.8 — acesso de teste à Área do Aluno */
.student-gate{position:fixed;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 70% 20%,rgba(204,0,1,.14),transparent 34%),#f4f4f2;color:#111;transition:.35s ease}.student-gate.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.student-login-card{width:min(430px,100%);background:#fff;border:1px solid #dededb;border-radius:24px;padding:36px;box-shadow:0 30px 80px rgba(0,0,0,.14)}.student-login-brand{font-size:18px;font-weight:900;letter-spacing:.08em}.student-login-brand b{color:#cc0001;font-size:30px}.student-login-badge{display:inline-block;margin:24px 0 12px;padding:7px 10px;border-radius:999px;background:#f1e6e6;color:#a40000;font-size:10px;font-weight:800;letter-spacing:.12em}.student-login-card h1{margin:0;font-size:38px;letter-spacing:-.04em}.student-login-card>p{margin:8px 0 26px;color:#707070}.student-login-card label{display:block;margin:14px 0 7px;font-size:10px;font-weight:800;letter-spacing:.12em}.student-login-card input{box-sizing:border-box;width:100%;padding:14px 15px;border:1px solid #d6d6d3;border-radius:10px;background:#fafafa;font:inherit;outline:none}.student-login-card input:focus{border-color:#cc0001}.student-login-card button{width:100%;margin-top:18px;padding:14px;border:0;border-radius:10px;background:#cc0001;color:#fff;font-weight:900;letter-spacing:.08em;cursor:pointer}.student-login-error{min-height:18px!important;margin:9px 0 0!important;color:#b00000!important;font-size:12px}.student-login-card small{display:block;margin-top:18px;color:#999;text-align:center}.student-locked{overflow:hidden}

/* v3.0: complementos, sem alterar a identidade da área de estudo */
.auth-notice{font-size:12px;line-height:1.5;color:#6d5959;background:#f8f3f3;padding:11px;border-radius:9px;margin-bottom:10px}.student-login-card .auth-secondary{background:white;color:#252525;border:1px solid #ccc;margin-top:9px;letter-spacing:0}.auth-links{display:flex;justify-content:space-between;gap:10px;margin-top:10px}.student-login-card .auth-links button{width:auto;background:transparent;color:#aa0000;border:0;padding:6px 0;margin:0;font-size:12px;letter-spacing:0}.materials-float{position:fixed;bottom:20px;left:20px;z-index:70;max-width:290px;font-family:inherit}.materials-float>button{background:#111;color:#fff;border:1px solid #444;border-radius:12px;padding:13px 17px;cursor:pointer;font-weight:800;font-size:11px;letter-spacing:.04em;box-shadow:0 10px 25px #0002}.materials-float>div{margin-top:8px;background:white;border:1px solid #ddd;border-radius:12px;box-shadow:0 15px 30px #0002;overflow:hidden}.materials-float a{display:block;padding:12px 16px;color:#222;text-decoration:none;font-size:13px;border-bottom:1px solid #eee}.materials-float a:hover{background:#fff2f2;color:#c00}@media(max-width:600px){.materials-float{bottom:12px;left:12px}.student-login-card{padding:23px}}

.certificate-download{border:1px solid #ba0013;background:#ba0013;color:#fff;border-radius:9px;padding:11px 15px;font-weight:800;font-size:11px;cursor:pointer;letter-spacing:.04em}.certificate-download[hidden]{display:none!important}@media(max-width:640px){.certificate-download{font-size:10px;padding:9px}}