:root{--navy:#062746;--navy2:#0a405e;--blue:#0a7891;--gold:#e5b12d;--bg:#f4f8fa;--txt:#0b2845;--line:#d8e4ea;--green:#16815a;--red:#b64035;--muted:#5e7684}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);font-family:Arial,Helvetica,sans-serif;color:var(--txt)}
a{color:inherit}.wrap{max-width:1180px;margin:auto;padding:0 20px}.top{background:var(--navy);color:#fff;border-bottom:4px solid var(--gold)}
.topin{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 0}.brand{font-weight:900;letter-spacing:.7px}.brand small{display:block;color:#ffd96a;font-size:10px}
.topnav{display:flex;gap:8px;flex-wrap:wrap}.topnav a{color:#fff;text-decoration:none;font-size:11px;font-weight:900;background:#ffffff10;border:1px solid #ffffff20;padding:8px 10px;border-radius:8px}
.hero{position:relative;min-height:330px;display:flex;align-items:flex-end;color:#fff;background:#062746 center/cover no-repeat;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#021827e8 0%,#062746bd 48%,#06274635 100%)}
.heroin{position:relative;z-index:2;padding:45px 20px;width:100%}.eyebrow{color:#ffd65d;font-size:11px;font-weight:900;letter-spacing:1.2px}.hero h1{font-size:42px;line-height:1.03;margin:7px 0 10px;max-width:850px}.hero p{max-width:820px;line-height:1.55;color:#e5eef2;margin:0}
main{padding:22px 0 50px}.navbar{display:grid;grid-template-columns:1fr 1fr 1fr;gap:9px;margin:17px 0}.navbar a{display:flex;align-items:center;justify-content:center;text-align:center;text-decoration:none;font-size:12px;font-weight:900;border-radius:10px;padding:12px}.prev{background:#e8f0f4}.home{background:var(--navy);color:#fff}.next{background:var(--gold)}
.section{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;margin:16px 0;box-shadow:0 6px 18px #0627460b}.section h2{margin:0 0 10px;font-size:25px}.section h3{margin-top:0}.section p,.section li{line-height:1.62}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.card{background:#f8fbfc;border:1px solid var(--line);border-radius:13px;padding:16px}.card p,.card li{font-size:13px;color:#465f70}.card h3{font-size:16px}
.levels{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.level{border-radius:12px;padding:15px}.basic{background:#e9f7ee;border-left:5px solid #25915e}.exam{background:#fff4d8;border-left:5px solid var(--gold)}.practice{background:#e8f3fb;border-left:5px solid #1686b5}
.photo{background:#f8fbfc;border:1px solid var(--line);border-radius:14px;overflow:hidden}.photo img{display:block;width:100%;height:340px;object-fit:cover;background:#dce6eb}.photo .caption{padding:10px 13px;font-size:10px;color:#687d88;line-height:1.45}
.study{counter-reset:item}.study .step{position:relative;padding-left:48px;margin:18px 0}.study .step:before{counter-increment:item;content:counter(item);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900}
.notice{background:#fff3d1;border-left:5px solid var(--gold);border-radius:10px;padding:14px;margin:14px 0}.danger{background:#ffe7e4;border-left:5px solid var(--red);border-radius:10px;padding:14px;margin:14px 0}.remember{background:#e7f5ed;border-left:5px solid var(--green);border-radius:10px;padding:14px;margin:14px 0}
.activity{background:linear-gradient(135deg,#062746,#0a6679);color:#fff;border-radius:16px;padding:20px;margin:16px 0}.activity h2,.activity h3{color:#ffd765;margin-top:0}.activity p,.activity li{color:#e5eef2;line-height:1.55}
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.checkitem{background:#f7fafb;border:1px solid var(--line);border-radius:10px;padding:12px;font-size:13px;line-height:1.45}
.quiz{background:#071f34;color:#fff;border-radius:16px;padding:22px;margin:16px 0}.q{background:#ffffff0d;border:1px solid #ffffff1e;border-radius:10px;padding:13px;margin:9px 0}.q label{display:inline-block;background:#fff;color:#062746;border-radius:999px;padding:7px 10px;margin:8px 6px 0 0;font-weight:900;cursor:pointer}.fb{font-size:12px;margin-top:7px;font-weight:900}.ok{color:#7fe4ae}.ko{color:#ff9e98}.btn{border:0;background:var(--gold);color:#062746;font-weight:900;border-radius:9px;padding:11px 15px;cursor:pointer}
.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.lesson{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px;min-height:170px;text-decoration:none;box-shadow:0 6px 18px #0627460c}.lesson:hover{transform:translateY(-2px)}.lesson .n{display:inline-flex;width:32px;height:32px;align-items:center;justify-content:center;background:var(--navy);color:#fff;border-radius:50%;font-weight:900}.lesson .meta{font-size:10px;font-weight:900;color:#0a7187}.lesson h3{font-size:16px;margin:9px 0 5px}.lesson p{font-size:12px;color:#627987;line-height:1.45}.lesson.locked{opacity:.62}.lesson.locked:after{content:"PRÓXIMAMENTE";position:absolute;right:10px;top:10px;font-size:9px;background:#e8eef1;padding:5px 7px;border-radius:8px;font-weight:900}
.footer{text-align:center;color:#6b7f8a;font-size:10px;padding:18px}
@media(max-width:900px){.grid3,.grid4,.lesson-grid,.levels{grid-template-columns:1fr 1fr}.photo img{height:280px}}
@media(max-width:600px){.grid2,.grid3,.grid4,.lesson-grid,.levels,.checklist,.navbar{grid-template-columns:1fr}.hero h1{font-size:30px}.hero{min-height:290px}.photo img{height:230px}.topin{align-items:flex-start;flex-direction:column}}