:root{--bg:#f6f8fb;--paper:#fff;--ink:#10263f;--muted:#617183;--line:#dae3ed;--blue:#0969e5;--soft:#eaf2fc;--nav:#ffffffc9;--shadow:0 20px 60px #113c6e09}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}.dark{--bg:#0b1420;--paper:#121f2e;--ink:#eef5ff;--muted:#9cacc0;--line:#2a3a4c;--blue:#6aaeff;--soft:#182f4c;--nav:#0b1420d6;--shadow:0 20px 60px #0002}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{cursor:default;opacity:.4}a{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #409cff;outline-offset:5px}button{border:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-.045em;line-height:1.08}h2{font-size:clamp(32px,4vw,47px);font-weight:700;margin-bottom:18px}h3{font-size:24px}p{color:var(--muted)}[hidden]{display:none!important}.top{position:sticky;top:0;z-index:30;backdrop-filter:blur(24px);background:var(--nav);border-bottom:1px solid var(--line)}.navwrap{max-width:1220px;margin:auto;padding:14px 28px;display:flex;align-items:center;gap:22px}.brand{text-decoration:none;display:flex;align-items:center;gap:10px;font-size:20px;font-weight:750;letter-spacing:-.04em;line-height:1.1}.brand b{font-weight:500}.brand small{display:block;margin-top:6px;font-size:8px;letter-spacing:.16em;font-weight:600;color:var(--muted)}nav{display:flex;align-items:center;margin-left:auto;gap:26px;font-size:12px}nav a{text-decoration:none;color:var(--muted)}.nav-support{border:0;background:none;color:var(--blue);font-size:12px;padding:0}.iconbtn{background:var(--paper);border:1px solid var(--line);border-radius:50%;width:36px;height:36px;display:grid;place-items:center;font-size:21px;flex-shrink:0}.menu{display:none}.hero{min-height:760px;position:relative;overflow:hidden;background:linear-gradient(180deg,#d8eaff 0%,#edf5ff 38%,var(--bg) 100%);text-align:center;padding:72px 24px 70px;isolation:isolate}.dark .hero{background:linear-gradient(180deg,#102e53 0%,#10243d 40%,var(--bg) 100%)}.hero-content{position:relative;z-index:1}.eyebrow{display:block;font-size:10px;font-weight:750;letter-spacing:.17em;margin-bottom:22px}.blue{color:var(--blue)}.hero .eyebrow{color:var(--muted)}.hero-brand{display:flex;justify-content:center;align-items:center;gap:12px;margin:27px 0 32px;color:var(--ink)}.hero-brand img{width:122px;height:107px}.hero-brand>span{font-size:70px;font-weight:800;line-height:.8;letter-spacing:-.07em;text-align:left}.hero-brand small{display:block;font-size:25px;letter-spacing:-.04em;font-weight:650;margin-top:13px}.hero h1{font-size:clamp(40px,5.8vw,73px);font-weight:750;line-height:1.07;margin-bottom:23px}.hero h1 span{color:var(--blue)}.hero p{font-size:18px;line-height:1.6;margin-bottom:28px}.actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:20px;text-decoration:none;padding:14px 23px;border-radius:999px;background:#0969e5;color:#fff;font-size:13px;font-weight:650;border:1px solid transparent;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 7px 20px #0969e521}.btn.secondary{background:var(--paper);color:var(--ink);border-color:var(--line)}.btn.light{background:#fff;color:#0757bc}.btn.red{background:#c72e3b}.hero-meta{display:flex;justify-content:center;gap:22px;color:var(--muted);font-size:10px;margin-top:27px}.hero-meta i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#258c74;margin-right:5px}.scroll-hint{display:inline-block;margin-top:38px;text-decoration:none;color:var(--muted)}.hero-orbit{position:absolute;width:1050px;height:440px;border:1px solid #76b3f429;border-radius:50%;top:114px;left:50%;transform:translateX(-50%) rotate(-16deg);z-index:0}.wrap{max-width:1160px;margin:auto;padding:0 28px}.intro-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:20px;align-items:stretch;padding-top:26px}.intro-label{padding:27px 0}.intro-label .eyebrow{color:var(--muted)}.intro-label h2{font-size:29px}.path-card{padding:27px;background:var(--paper);border:1px solid var(--line);border-radius:24px;text-decoration:none;position:relative;transition:transform .2s}.path-card:hover,.route-card:hover{transform:translateY(-4px)}.path-icon{font-size:27px;color:var(--blue);display:block;margin-bottom:22px}.path-card .eyebrow{font-size:8px;color:var(--muted);margin:0 0 12px}.path-card h3{font-size:21px;margin-bottom:10px}.path-card p{font-size:13px;max-width:220px;margin-bottom:0}.arrow{position:absolute;top:27px;right:27px;color:var(--blue)}.section{margin-top:100px}.sectionhead{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:28px}.sectionhead p{font-size:14px;margin-bottom:20px}.sectionhead .eyebrow{margin-bottom:17px}.periods{display:flex;gap:8px;overflow:auto;padding:2px 2px 15px}.periods button,.filter-chip{padding:10px 17px;background:var(--paper);border:1px solid var(--line);border-radius:999px;white-space:nowrap;font-size:12px}.periods button[aria-pressed=true],.filter-chip.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}.catalog-meta{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:21px 0;color:var(--muted);font-size:12px}.catalog-meta input{width:260px;border:1px solid var(--line);border-radius:14px;padding:12px 16px;background:var(--paper);color:var(--ink);font-size:13px}.filters{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:22px}.filter-chip{padding:7px 12px;font-size:11px}.route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.route-card{display:flex;flex-direction:column;align-items:start;text-align:left;background:var(--paper);border:1px solid var(--line);border-radius:23px;padding:25px;min-height:222px;transition:transform .2s;box-shadow:var(--shadow)}.route-card .route-icon{font-size:24px;color:var(--blue);background:var(--soft);border-radius:13px;width:46px;height:46px;display:grid;place-items:center;margin-bottom:24px}.route-card .eyebrow{font-size:8px;color:var(--muted);margin-bottom:10px}.route-card h3{font-size:20px;margin-bottom:12px}.route-card p{font-size:12px;margin-bottom:22px}.route-card .route-link{font-size:11px;color:var(--blue);margin-top:auto;display:flex;justify-content:space-between;width:100%}.empty{padding:60px 28px;background:var(--paper);border:1px dashed var(--line);border-radius:25px;text-align:center}.empty h3{font-size:29px}.empty .construction{font-size:40px;color:var(--blue)}.empty p{max-width:490px;margin:15px auto}.sim-promo{display:grid;grid-template-columns:1.3fr 1fr;border-radius:32px;background:linear-gradient(125deg,#073c8d,#076ae1 70%,#2c91f0);color:#fff;padding:52px;overflow:hidden;position:relative}.sim-copy{z-index:1}.sim-copy h2{font-size:48px}.sim-copy p{font-size:14px;color:#d6e7ff;max-width:420px}.sim-facts{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0}.sim-facts span{font-size:10px;border:1px solid #ffffff45;padding:7px 12px;border-radius:999px}.sim-select{font-size:10px;display:block;margin:23px 0 18px;color:#d6e7ff}.sim-select select{display:block;margin-top:7px;padding:12px 15px;border:1px solid #ffffff50;background:#064294;color:#fff;border-radius:13px;max-width:100%;width:310px;font-size:12px}.sim-copy>small{display:block;font-size:10px;color:#d6e7ff;margin-top:15px}.prof-scene{position:relative;align-self:center;min-height:360px}.professor{width:290px;position:absolute;bottom:-70px;left:50%;transform:translateX(-50%);animation:float 5s ease-in-out infinite}.speech{position:absolute;top:0;right:0;background:#fff;color:#124b8c;border-radius:19px 19px 19px 3px;padding:15px 23px;font-size:13px;transform:rotate(4deg);box-shadow:0 10px 25px #00358544}.mini-envelope{position:absolute;background:linear-gradient(145deg,#fff,#d9eaff);color:#1367c4;font-size:11px;font-weight:700;border-radius:8px;width:70px;height:49px;display:grid;place-items:center;box-shadow:0 9px 20px #00378155}.mini-envelope:after{content:'';position:absolute;inset:0;clip-path:polygon(0 0,50% 55%,100% 0);background:#b9d9ff88}.e1{left:0;top:100px;transform:rotate(-17deg)}.e2{right:-22px;top:160px;transform:rotate(15deg)}.e3{left:22px;bottom:-20px;transform:rotate(-8deg)}.stats{display:grid;grid-template-columns:repeat(3,1fr);background:var(--paper);border:1px solid var(--line);border-radius:23px;padding:30px 0}.stats>div{padding:0 35px;border-right:1px solid var(--line)}.stats>div:last-child{border:0}.stats strong{font-size:44px;line-height:1;display:block;color:var(--blue);letter-spacing:-.04em}.stats span{font-size:12px;color:var(--muted);display:block;margin-top:13px}.textbtn{padding:0;background:none;color:var(--blue);font-size:12px}.danger{color:#c94d59;margin-top:18px}.recent{display:flex;align-items:center;justify-content:space-between;padding:15px 3px;border-bottom:1px solid var(--line);font-size:12px}.recent span{color:var(--muted)}.support-card{margin:90px 0 45px;background:var(--soft);border:1px solid var(--line);border-radius:25px;padding:36px;display:flex;align-items:center;gap:25px}.support-icon{font-size:43px;color:var(--blue)}.support-card h2{font-size:30px;margin:0 0 12px}.support-card .eyebrow{font-size:8px;margin-bottom:12px}.support-card p{font-size:12px;margin:0}.support-card .btn{margin-left:auto;white-space:nowrap}.source-note{font-size:11px;color:var(--muted);padding-bottom:50px}.source-note summary{cursor:pointer;font-weight:650}.source-note p{margin:15px 0}.source-note a{color:var(--blue)}footer{border-top:1px solid var(--line);max-width:1104px;margin:auto;padding:36px 0 25px}.footer-top,.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px}.footer-bottom{border-top:1px solid var(--line);margin-top:30px;padding-top:20px;font-size:10px;color:var(--muted)}.footer-bottom div{display:flex;gap:20px}.footer-bottom a{text-decoration:none}.footer-bottom button{background:none;font-size:10px;color:var(--muted);padding:0}.project{display:flex;align-items:center;gap:10px;font-size:10px;color:var(--muted)}.project img{width:96px;height:27px;object-fit:contain}.dark .project img{filter:brightness(0) invert(1)}dialog{background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:27px;max-height:90dvh;width:min(760px,calc(100% - 28px));padding:45px;box-shadow:0 35px 120px #001a3d44}dialog::backdrop{background:#03162c99;backdrop-filter:blur(8px)}.modal-close{position:absolute;top:16px;right:16px}.reader-header{padding-right:20px}.reader-header h2{font-size:36px;margin-bottom:15px}.reader-header p{font-size:14px}.materials{background:var(--soft);padding:17px 20px;border-radius:15px;font-size:12px;margin:25px 0}.materials b{display:block;margin-bottom:4px}.steps{list-style:none;padding:0;counter-reset:step}.steps li{counter-increment:step;display:flex;gap:16px;align-items:start;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.7}.steps li:before{content:counter(step,decimal-leading-zero);color:var(--blue);font-size:12px;font-weight:750;min-width:23px;padding-top:3px}.tip{font-size:12px;padding:20px;background:var(--soft);border-radius:16px;margin-top:25px}.tip strong{display:block;margin-bottom:8px}.tip p{margin:7px 0}.source-caption{font-size:10px;color:var(--muted);margin:23px 0}.reader-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.reader-actions .btn{font-size:12px}.opening{font-size:14px;font-style:italic;border-left:3px solid var(--blue);padding:9px 18px;color:var(--muted)}#support{max-width:460px;text-align:center;padding:43px 28px}#support h2{font-size:34px}#support p{font-size:13px}.amounts{display:flex;gap:8px;justify-content:center;margin:23px 0}.amounts button{font-size:12px;padding:10px 14px;background:var(--soft);border-radius:12px}.amounts button.active{background:#0969e5;color:#fff}.qr{padding:12px;background:white;border-radius:18px;display:inline-block;margin-bottom:18px}.qr img{display:block}#support>small{font-size:10px;display:block;color:var(--muted);line-height:1.9}#pix-status{min-height:22px;color:var(--blue)}textarea{width:100%;font-size:10px}#confirm{max-width:440px}#confirm h2{font-size:31px}#confirm p{font-size:14px}#confirm .actions{justify-content:start}
/* Estação imersiva */
body.simulating{overflow-x:hidden}body.simulating .top,body.simulating footer{display:none}#practice{min-height:100dvh;background:var(--bg);padding:28px;transition:background .8s;color:var(--ink)}.practice-top{max-width:1120px;margin:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px}.practice-top button{background:none;border:1px solid var(--line);padding:9px 17px;border-radius:999px;font-size:11px}.round-dots{display:flex;gap:7px}.round-dots i{width:7px;height:7px;border-radius:50%;background:var(--line)}.round-dots i.done{background:var(--blue)}.round-dots i.current{outline:2px solid var(--blue);outline-offset:3px}.envelope-view{text-align:center;max-width:940px;margin:25px auto}.prof-intro{display:flex;align-items:center;justify-content:center;gap:15px;margin-bottom:20px}.prof-intro img{width:100px;height:120px;object-fit:cover;object-position:top}.prof-intro p{text-align:left;background:var(--paper);border:1px solid var(--line);padding:14px 23px;border-radius:18px 18px 18px 0;font-size:13px;margin:0}.envelope-view h1{font-size:clamp(33px,5vw,53px);margin-bottom:15px}.envelope-view>p{font-size:14px}.envelopes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:50px 0}.envelope{aspect-ratio:1.38;position:relative;border-radius:17px;background:linear-gradient(140deg,#fff,#b5d7ff);border:1px solid #accdf2;color:#1253a2;box-shadow:0 20px 35px #1e6fd51c;transition:transform .25s;overflow:hidden}.envelope:before{content:'';position:absolute;inset:0;background:linear-gradient(160deg,#eef6ff,#78b3fb);clip-path:polygon(0 0,100% 0,50% 58%)}.envelope:after{content:'';position:absolute;inset:0;border:1px solid #fff7;clip-path:polygon(0 100%,0 10%,50% 65%,100% 10%,100% 100%)}.envelope strong{position:absolute;z-index:1;top:45%;left:50%;transform:translate(-50%,-50%);background:#0969e5;color:#fff;border:4px solid #c5e1ff;display:grid;place-items:center;width:47px;height:47px;border-radius:50%;font-size:16px}.envelope small{position:absolute;bottom:18px;left:0;right:0;font-size:10px;letter-spacing:.13em}.envelope:hover{transform:translateY(-12px) rotate(-2deg)}.station{text-align:center;max-width:940px;margin:38px auto}.station .eyebrow{margin-bottom:13px}.station h1{font-size:clamp(29px,4vw,46px);margin:0 auto 18px;max-width:800px}.station-command{font-size:16px;max-width:660px;margin:0 auto 10px;color:inherit;opacity:.8}.timer{font-size:clamp(100px,19vw,230px);font-weight:750;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.065em;color:var(--blue);margin:25px 0 4px}.time-label{font-size:12px;margin-bottom:22px;color:inherit}.timer-track{max-width:470px;height:4px;background:#8eafd833;margin:0 auto 32px;border-radius:5px;overflow:hidden}.timer-track span{display:block;height:100%;background:currentColor;transition:width .2s linear;color:var(--blue)}#practice.yellow{background:#ffe689;color:#453300}#practice.orange{background:#ffb262;color:#4c2400}#practice.red{background:#c62b3a;color:white}#practice.yellow .timer,#practice.orange .timer,#practice.red .timer{color:inherit}#practice.yellow .timer-track span,#practice.orange .timer-track span,#practice.red .timer-track span{color:inherit}#practice.yellow .practice-top button,#practice.orange .practice-top button,#practice.red .practice-top button{border-color:currentColor}#practice.red .station h1{animation:timeup .6s ease-out}.timeup{font-size:28px;letter-spacing:-.04em;font-weight:750}.correction{max-width:760px;margin:40px auto}.correction h1{font-size:38px}.review-help{font-size:13px}.selfcheck{display:grid;gap:10px;margin:26px 0}.selfcheck label{display:flex;gap:13px;align-items:start;font-size:13px;background:var(--paper);border:1px solid var(--line);padding:15px 18px;border-radius:15px;cursor:pointer}.selfcheck input{margin-top:5px;accent-color:#0969e5;width:16px;height:16px;flex-shrink:0}.review-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.results{max-width:750px;margin:55px auto;text-align:center}.results h1{font-size:49px}.results>p{font-size:15px}.result-row{text-align:left;display:flex;justify-content:space-between;padding:19px 21px;border:1px solid var(--line);border-radius:16px;background:var(--paper);margin:10px 0;font-size:13px;gap:20px}.result-row small{color:var(--muted)}.results .actions{margin-top:30px}.quit-confirm{max-width:480px;margin:100px auto;text-align:center}@keyframes float{50%{margin-bottom:9px}}@keyframes timeup{from{transform:scale(.9);opacity:.3}to{transform:scale(1);opacity:1}}
@media(min-width:1500px){.hero{min-height:820px;padding-top:90px}}@media(max-width:900px){nav{gap:15px}.navwrap{gap:12px}nav a,.nav-support{font-size:11px}.intro-grid{grid-template-columns:1fr 1fr}.intro-label{grid-column:1/-1;padding:10px 0 0}.intro-label h2 br{display:none}.route-grid{grid-template-columns:repeat(2,1fr)}.sim-promo{padding:35px;grid-template-columns:1.3fr 1fr}.sim-copy h2{font-size:39px}.professor{width:240px}.speech{right:-20px;font-size:11px}.e2{right:-25px}.support-card{flex-wrap:wrap}.support-card .btn{margin-left:70px}footer{margin:0 28px}.envelopes{gap:14px}}@media(max-width:650px){.navwrap{padding:12px 17px;gap:10px}.brand{font-size:17px}.brand img{width:39px;height:37px}.brand small{font-size:7px}.navwrap>#theme{margin-left:auto}.menu{display:flex;flex-direction:column;justify-content:center;gap:4px;padding:10px}.menu span{width:15px;height:1px;background:var(--ink);transition:transform .25s}.menu.open span:nth-child(1){transform:translateY(5px) rotate(45deg)}.menu.open span:nth-child(2){opacity:0}.menu.open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}nav{display:none;position:absolute;top:66px;left:12px;right:12px;background:var(--paper);border:1px solid var(--line);padding:23px;border-radius:20px;box-shadow:var(--shadow)}nav.open{display:flex;flex-direction:column;align-items:start;gap:20px}nav a,.nav-support{font-size:14px}.hero{padding:52px 19px 35px;min-height:680px}.hero .eyebrow{font-size:8px}.hero-brand{margin:30px 0}.hero-brand img{width:98px;height:90px}.hero-brand>span{font-size:59px}.hero-brand small{font-size:21px}.hero h1{font-size:41px;letter-spacing:-.055em}.hero p{font-size:15px}.hero .btn{font-size:12px;padding:13px 18px;gap:12px}.hero-meta{gap:12px;font-size:8px}.hero-orbit{width:650px;height:350px;top:130px}.scroll-hint{margin-top:30px}.wrap{padding:0 18px}.intro-grid{gap:12px;padding-top:16px}.intro-label h2{font-size:28px}.path-card{padding:20px;min-height:220px;border-radius:20px}.path-card h3{font-size:20px}.path-card p{font-size:12px}.path-icon{margin-bottom:20px}.arrow{right:17px;top:20px}.path-card .eyebrow{font-size:7px}.section{margin-top:65px}.sectionhead{display:block;margin-bottom:22px}.sectionhead h2{font-size:35px}.sectionhead p{font-size:13px;margin-top:16px}.sectionhead .eyebrow{font-size:9px}.catalog-meta{display:block}.catalog-meta input{width:100%;margin-top:13px}.route-grid{grid-template-columns:1fr 1fr;gap:10px}.route-card{padding:18px;min-height:235px;border-radius:19px}.route-card h3{font-size:18px;line-height:1.15}.route-card p{font-size:11px}.route-card .route-icon{margin-bottom:19px;width:39px;height:39px;font-size:21px}.route-card .eyebrow{font-size:7px;letter-spacing:.1em}.route-card .route-link{font-size:10px}.sim-promo{display:block;padding:32px 25px 0;border-radius:26px}.sim-copy h2{font-size:39px}.sim-copy .eyebrow{font-size:8px}.sim-copy p{font-size:13px}.prof-scene{height:290px;min-height:290px;max-width:310px;margin:35px auto 0}.professor{width:255px;bottom:-20px}.speech{right:-4px;top:0}.e1{top:80px;left:-5px}.e2{right:-9px;top:145px}.e3{bottom:25px;left:14px}.stats{padding:22px 0}.stats>div{padding:0 15px}.stats strong{font-size:35px}.stats span{font-size:10px}.support-card{padding:25px;gap:15px;margin-top:60px}.support-icon{display:none}.support-card h2{font-size:29px}.support-card .btn{margin:6px 0 0}.footer-top{align-items:start}.footer-bottom{display:block;font-size:9px}.footer-bottom div{margin-top:16px}.project{flex-direction:column;align-items:end;gap:7px;font-size:8px}.project img{width:80px}.footer-top .brand{font-size:15px}footer{margin:0 18px;padding-top:28px}dialog{padding:42px 24px 25px;max-height:92dvh}.reader-header h2{font-size:31px}.steps li{font-size:13px;gap:10px}.reader-actions .btn{width:100%}.recent{align-items:start;gap:15px}#practice{padding:22px 17px}.practice-top{font-size:10px;gap:10px}.practice-top button{font-size:10px;padding:8px 12px}.round-dots{gap:6px}.envelope-view{margin-top:35px}.prof-intro{margin:0 0 25px}.prof-intro img{width:85px;height:110px}.prof-intro p{font-size:12px;padding:14px 18px}.envelopes{gap:10px;margin:40px 0}.envelope{border-radius:12px;aspect-ratio:.85}.envelope strong{width:35px;height:35px;font-size:12px;border-width:3px}.envelope small{font-size:7px;letter-spacing:.07em;bottom:15px}.envelope-view h1{font-size:33px}.envelope-view>p{font-size:12px}.station{margin-top:48px}.station h1{font-size:30px}.station-command{font-size:14px}.timer{font-size:clamp(90px,25vw,160px);margin-top:45px}.time-label{font-size:11px}.station .btn{margin-top:15px}.results h1{font-size:37px}.correction h1{font-size:31px}.result-row{font-size:12px;padding:16px}.correction{margin-top:35px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}