:root{
  --primary:#385DFF;--primary-d:#1E42DD;--ink:#1E2132;--text:#5A5A5A;--muted:#9B9C9F;
  --bg:#FAFBFD;--surface:#fff;--alt:#F2F4F5;--line:#D6D9DD;--title:#1E617E;
  --c1:#57BDB9;--c2:#7DD5D2;--c3:#FBBB1B;--c4:#E96493;
  --r:14px;--shadow:0 6px 24px rgba(30,33,50,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.65 Roboto,system-ui,sans-serif}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0 0 .5em;font-family:Roboto,sans-serif}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.stripe{display:flex;height:4px}
.stripe i{flex:1}
.stripe i:nth-child(1){background:var(--c2)}.stripe i:nth-child(2){background:var(--c3)}
.stripe i:nth-child(3){background:var(--c4)}.stripe i:nth-child(4){background:var(--c1)}

/* topo */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(8px)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0}
.brand{display:inline-flex;align-items:center;gap:10px}
.brand img{height:44px;width:auto}
.brand span{display:flex;flex-direction:column;line-height:1}
.brand b{font-family:Candal,sans-serif;font-weight:400;font-size:24px;color:var(--ink)}
.brand small{font-size:11px;font-weight:700;letter-spacing:.32em;text-transform:uppercase;color:var(--title);margin-top:3px}
.top .nav{display:flex;gap:4px}
.top .nav a{color:var(--ink);font-weight:500;padding:8px 14px;border-radius:999px;font-size:15px}
.top .nav a:hover{background:var(--alt)}
.top .nav a.on{background:var(--primary);color:#fff}
.burger{display:none;background:none;border:0;font-size:26px;color:var(--ink);cursor:pointer}

/* hero */
.hero{padding:72px 0 56px;background:radial-gradient(900px 300px at 85% -10%,rgba(125,213,210,.35),transparent),radial-gradient(700px 260px at 0% 110%,rgba(251,187,27,.18),transparent)}
.eyebrow{color:var(--title);font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:13px;margin:0 0 10px}
.hero h1{font-family:Candal,sans-serif;font-weight:400;font-size:clamp(32px,5vw,56px);max-width:16ch;color:var(--ink)}
.lead{font-size:18px;max-width:62ch;color:var(--text)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-block;background:var(--primary);color:#fff;font-weight:700;padding:12px 22px;border-radius:10px;transition:.2s}
.btn:hover{background:var(--primary-d);transform:translateY(-1px)}
.btn.alt{background:var(--c1)}.btn.alt:hover{background:#3fa6a2}

.sec{padding:36px 0}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}
.sec-h h2{font-size:26px;margin:0}
.sec-h h2 small{font-size:14px;color:var(--muted);font-weight:500;margin-left:8px}
.sec-h a{font-weight:500}

/* cards de artigo (mosaico) */
.mosaic{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:1fr 1fr;gap:14px;height:min(560px,70vw)}
.mcard{position:relative;display:block;border-radius:var(--r);overflow:hidden;background:var(--ink);box-shadow:var(--shadow)}
.mcard.big{grid-row:span 2}
.mcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s}
.mcard:hover img{transform:scale(1.04)}
.mcard::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 45%,rgba(10,15,25,.82))}
.mcard h3{position:absolute;z-index:1;left:18px;right:18px;bottom:16px;margin:0;color:#fff;font-size:clamp(16px,2vw,24px)}
.mcard.big h3{font-size:clamp(20px,2.6vw,30px)}
.tag{position:absolute;z-index:1;top:14px;left:14px;background:rgba(56,93,255,.92);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px}
.tag.solid{position:static;display:inline-block;margin-bottom:8px}
.grid3{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.grid3 .mcard{height:240px}
.acard{display:flex;flex-direction:column;background:var(--surface);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.2s}
.acard:hover{transform:translateY(-3px)}
.acard img{height:190px;width:100%;object-fit:cover}
.acard div{padding:18px}
.acard h3{font-size:19px}.acard p{margin:.4em 0;font-size:14.5px}
.acard time{font-size:13px;color:var(--muted)}

/* cursos */
.courses{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.course{background:var(--surface);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:block}
.course:hover{transform:translateY(-4px)}
.course img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--alt)}
.course-t{padding:14px 16px 16px}
.course-t h3{font-size:16px;margin:0 0 4px}
.course-t span{font-size:13px;color:var(--muted)}

/* páginas internas */
.pagehead{padding-top:48px;padding-bottom:12px}
.pagehead h1{font-family:Candal,sans-serif;font-weight:400;font-size:clamp(30px,4.5vw,46px);color:var(--ink)}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.pills a{background:var(--surface);border:1px solid var(--line);color:var(--ink);padding:7px 14px;border-radius:999px;font-size:14px;font-weight:500}
.pills a:hover{border-color:var(--primary);color:var(--primary)}
.search{width:100%;max-width:420px;padding:12px 16px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
.search:focus{outline:2px solid var(--primary);border-color:transparent}
.course-sec{padding:28px 0 8px}
.course-h{display:flex;gap:18px;align-items:center;margin-bottom:14px;padding-bottom:14px;border-bottom:3px solid var(--c3)}
.course-h img{width:110px;height:72px;object-fit:cover;border-radius:10px}
.course-h h2{margin:0;font-size:24px}.course-h p{margin:0;font-size:14px;color:var(--muted)}
.lesson{background:var(--surface);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.lesson summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;padding:14px 18px;font-weight:700;color:var(--ink)}
.lesson summary::-webkit-details-marker{display:none}
.lesson summary::before{content:"▸";margin-right:8px;color:var(--c4);transition:.2s;display:inline-block}
.lesson[open] summary::before{transform:rotate(90deg)}
.lesson summary span{flex:1}
.lesson summary em{font-style:normal;background:var(--alt);color:var(--muted);font-size:12px;padding:2px 10px;border-radius:999px;align-self:center}
.lesson .rows{list-style:none;margin:0;padding:0 8px 8px}
.lesson .rows li{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-top:1px solid var(--alt);flex-wrap:wrap}
.lesson .rows li:hover{background:var(--bg)}
.lesson .rows .t{color:var(--ink);font-weight:500;flex:1 1 280px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips.intro{padding:4px 18px 12px}
.chips .chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;padding:5px 12px;border-radius:999px;background:#EEF1FF;color:var(--primary);border:1px solid transparent;transition:.15s;max-width:100%}
.chips .chip b{font-size:11px}
.chips .chip:hover{background:var(--primary);color:#fff}
.chips .chip.k-notebooklm{background:#FFF4D6;color:#8a6200}.chip.k-notebooklm:hover{background:var(--c3);color:#1e2132}
.chips .chip.k-drive,.chip.k-onedrive{background:#E3F6F5;color:#1d7571}.chip.k-drive:hover,.chip.k-onedrive:hover{background:var(--c1);color:#fff}
.chips .chip.k-padlet,.chip.k-vídeo{background:#FDE7EF;color:#b3295d}.chip.k-padlet:hover,.chip.k-vídeo:hover{background:var(--c4);color:#fff}
.empty{text-align:center;padding:40px 0}

/* artigo */
.banner{background-size:cover;background-position:center;color:#fff;padding:90px 0 70px;border-bottom:4px solid var(--c3)}
.banner h1{font-family:Candal,sans-serif;font-weight:400;color:#fff;font-size:clamp(28px,5vw,52px);text-transform:uppercase;max-width:22ch;margin:12px 0}
.banner .tag{position:static;display:inline-block}
.banner time{opacity:.85;font-size:14px}
.prose{max-width:760px;padding:40px 0 20px;font-size:18px;line-height:1.8}
.prose h2{font-size:28px;margin:1.6em 0 .5em;color:var(--title)}
.prose p{margin:0 0 1.1em}
.prose figure{margin:1.6em 0}
.prose img{border-radius:var(--r);margin:1.2em auto;box-shadow:var(--shadow)}
.prose figure img{margin:0 auto}
.prose figcaption{text-align:center;font-size:14px;color:var(--muted);margin-top:8px}

/* rodapé */
body>footer{margin-top:48px;background:#fff}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding:36px 0}
.foot .brand{display:inline-flex;padding:0;margin-bottom:10px}
.foot p{font-size:14px;max-width:46ch;margin:0}
.foot h4{font-size:15px;color:var(--title);margin-bottom:10px}
.foot a{display:block;color:var(--text);font-size:14px;padding:3px 0}
.foot a:hover{color:var(--primary)}

@media(max-width:760px){
  .burger{display:block}
  .top .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;background:#fff;padding:8px 16px 16px;box-shadow:var(--shadow)}
  .top .nav.open{display:flex}
  .mosaic{grid-template-columns:1fr;grid-template-rows:none;height:auto}
  .mcard,.mcard.big{grid-row:auto;height:240px}
  .foot{grid-template-columns:1fr}
  .course-h img{width:84px;height:56px}
  .hero{padding:44px 0 32px}
}

/* acesso rápido (início) */
.quick{display:flex;justify-content:center;gap:8px;padding:8px 0 0;flex-wrap:wrap}
.quick a{font-size:13.5px;font-weight:500;color:var(--ink);background:var(--surface);border:1px solid var(--line);padding:6px 14px;border-radius:999px;transition:.15s}
.quick a:hover{border-color:var(--primary);color:var(--primary)}

/* turmas */
.courses.big{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:22px}
.courses.big .course img{aspect-ratio:4/3}
.courses.big .course-t{padding:16px 18px 18px;border-top:4px solid var(--c3)}
.courses.big .course:nth-child(4n+2) .course-t{border-color:var(--c4)}
.courses.big .course:nth-child(4n+3) .course-t{border-color:var(--c1)}
.courses.big .course:nth-child(4n+4) .course-t{border-color:var(--c2)}
.crumb{margin:0 0 14px;font-size:14px;font-weight:500}
.pagehead .course-h{border-bottom:0;margin-bottom:18px;padding-bottom:0}
.pagehead .course-h h1{font-size:clamp(24px,3.6vw,36px);margin:0}

/* lista /esqueci */
.eq-list{display:grid;gap:12px;max-width:760px}
.eq{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px;display:grid;gap:8px}
.eq h3{margin:0;font-size:17px}
.eq-m{margin:0;font-size:14px;color:var(--text);overflow-wrap:anywhere}
.eq .chip{justify-self:start}