:root{--blue:var(--color-accent);--blue2:var(--color-accent-strong);--ink:var(--color-text);--muted:var(--color-text-muted);--line:var(--color-line);--soft:#f7f9fc;--white:#fff;--max:1180px;--shadow:0 14px 34px rgba(34,58,98,.07)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:var(--font-sans);font-size:16px;line-height:var(--leading-ui)}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 32px));margin:auto}
header{position:sticky;top:0;z-index:20;background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(248,251,255,.95));backdrop-filter:blur(16px);border-bottom:1px solid rgba(31,115,234,.10);box-shadow:0 8px 24px rgba(24,36,58,.04)}.header-inner{min-height:84px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo img{width:174px}.main-nav{display:flex;align-items:center;gap:27px;color:#536176;font-size:14px;font-weight:750}.main-nav a:hover{color:var(--blue)}.header-actions{display:flex;gap:9px}.icon{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:#fff;display:grid;place-items:center;cursor:pointer}.menu-button{display:none}
.hero{padding:72px 0 60px;background:radial-gradient(circle at 50% 0,rgba(31,115,234,.06),transparent 35%),linear-gradient(#fff,#fbfcff);border-bottom:1px solid var(--line)}.hero-inner{max-width:870px;margin:auto;text-align:center}.kicker{color:var(--blue);font-size:var(--text-label);font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}h1{font-size:clamp(43px,6vw,68px);letter-spacing:-.052em;line-height:1.01;margin:0}h1 span{color:var(--blue)}.lead{max-width:720px;margin:21px auto 0;color:var(--muted);font-size:var(--text-lead-desktop);line-height:1.55}.search{max-width:760px;margin:31px auto 0;padding:8px;display:grid;grid-template-columns:1fr auto;gap:8px;border:1px solid #dce5f1;border-radius:17px;background:#fff;box-shadow:0 18px 42px rgba(31,66,120,.09)}.search input{min-height:54px;border:0;outline:0;padding:0 17px;font-size:16px}.search button{min-width:118px;border:0;border-radius:12px;color:#fff;background:linear-gradient(var(--blue),var(--blue2));font-weight:850;cursor:pointer}.popular{margin-top:17px;color:var(--muted);font-size:var(--text-meta);display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.popular strong{color:var(--ink)}.popular a:hover{color:var(--blue)}
.section{padding:52px 0 0}.section.alt{margin-top:52px;padding:48px 0;background:var(--soft);border-block:1px solid var(--line)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:20px}.eyebrow{color:var(--blue);font-size:var(--text-label);font-weight:900;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}h2{font-size:clamp(29px,4vw,38px);letter-spacing:-.042em;line-height:1.08;margin:0}.section-head p{margin:8px 0 0;color:var(--muted);font-size:var(--text-card);line-height:var(--leading-ui)}.section-link{white-space:nowrap;color:var(--blue);font-size:var(--text-meta);font-weight:850}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}.card{overflow:hidden;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow);transition:.2s}.card:hover{transform:translateY(-3px)}.cover{height:186px;position:relative;background:radial-gradient(circle at 74% 22%,rgba(255,255,255,.5),transparent 25%),linear-gradient(145deg,#e1edff,#79aaf0)}.card:nth-child(2) .cover{background:radial-gradient(circle at 74% 22%,rgba(255,255,255,.5),transparent 25%),linear-gradient(145deg,#fff0df,#edb15b)}.card:nth-child(3) .cover{background:radial-gradient(circle at 74% 22%,rgba(255,255,255,.5),transparent 25%),linear-gradient(145deg,#ffe7f4,#dc75ad)}.screen{position:absolute;width:166px;height:103px;left:50%;top:46%;transform:translate(-50%,-50%) rotate(-4deg);border:9px solid rgba(255,255,255,.84);border-radius:17px;background:linear-gradient(#1f73ea 0 0) 17px 17px/52% 8px no-repeat,linear-gradient(#f59b23 0 0) 17px 41px/76% 6px no-repeat,linear-gradient(#d9338d 0 0) 17px 60px/48% 6px no-repeat,rgba(31,50,80,.86);box-shadow:0 20px 35px rgba(35,57,91,.16)}.screen:after{content:"";position:absolute;width:72px;height:7px;left:39px;bottom:-23px;border-radius:8px;background:rgba(255,255,255,.76);box-shadow:0 9px 0 8px rgba(255,255,255,.48)}.dot{position:absolute;width:67px;height:67px;right:25px;bottom:19px;border-radius:50%;background:rgba(255,255,255,.36);border:1px solid rgba(255,255,255,.43)}.card-body{padding:21px}.tag{display:inline-flex;min-height:27px;align-items:center;padding:0 10px;border-radius:999px;background:#f0f6ff;color:var(--blue);font-size:var(--text-label);font-weight:900;letter-spacing:.065em;text-transform:uppercase}.card h3{font-size:21px;line-height:1.25;letter-spacing:-.028em;margin:12px 0 8px}.card p{margin:0;color:var(--muted);font-size:var(--text-card);line-height:var(--leading-ui)}.meta{margin-top:17px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:var(--text-meta);line-height:1.5}.meta a{color:var(--blue);font-weight:850}.card-cta{display:inline-flex;align-items:center;gap:7px;color:var(--blue);font-weight:850}.card-cta span{transition:transform .18s ease}.card:hover .card-cta span{transform:translateX(3px)}
.suggest{padding:58px 0 0}.suggest-box{padding:34px 38px;border:1px solid #dde7f5;border-radius:25px;background:radial-gradient(circle at 86% 35%,rgba(31,115,234,.08),transparent 28%),linear-gradient(110deg,#f5f9ff,#fff 75%);display:flex;align-items:center;justify-content:space-between;gap:28px}.suggest-box h2{font-size:clamp(28px,4vw,38px)}.suggest-box p{max-width:680px;color:var(--muted);margin:9px 0 0}.btn{flex:0 0 auto;min-height:48px;padding:0 21px;border-radius:999px;background:var(--blue);color:#fff;font-weight:850;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 11px 25px rgba(31,115,234,.2)}
footer{margin-top:60px;padding:38px 0 20px;background:#16263f;color:#d5dfec}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,.75fr);gap:34px}.footer-brand img{width:174px;filter:brightness(0) invert(1);opacity:.94}.footer-brand p{max-width:340px;color:#9fb0c5;font-size:14px}.fcol h3{font-size:14px;color:#fff;margin:0 0 13px}.fcol a{display:block;color:#aebcd0;font-size:13px;margin:8px 0}.bottom{margin-top:31px;padding-top:18px;border-top:1px solid rgba(255,255,255,.09);color:#8395ac;font-size:12px}
.panel{position:fixed;z-index:40;top:0;right:0;width:min(360px,88vw);height:100vh;padding:23px;background:#fff;box-shadow:-20px 0 55px rgba(20,39,70,.18);transform:translateX(110%);transition:.24s}.panel.open{transform:translateX(0)}.panel-head{display:flex;align-items:center;justify-content:space-between}.panel-head img{width:153px}.panel nav{display:grid;margin-top:30px}.panel nav a{padding:14px 3px;border-bottom:1px solid var(--line);font-weight:800}.backdrop{position:fixed;z-index:35;inset:0;background:rgba(16,29,50,.42);opacity:0;pointer-events:none;transition:.2s}.backdrop.open{opacity:1;pointer-events:auto}.preview{position:fixed;left:14px;bottom:14px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.94);box-shadow:var(--shadow);color:var(--muted);font-size:var(--text-label)}
@media(max-width:1000px){.main-nav{display:none}.menu-button{display:grid}.grid{grid-template-columns:repeat(2,1fr)}.grid .card:last-child{grid-column:1/-1;display:grid;grid-template-columns:.9fr 1.1fr}.grid .card:last-child .cover{height:100%;min-height:235px}.footer-grid{grid-template-columns:1.3fr repeat(2,1fr)}}
@media(max-width:720px){.container{width:min(var(--max),calc(100% - 36px))}.header-inner{min-height:76px}.logo img{width:150px}.search-link{display:none}.hero{padding:48px 0 42px}h1{font-size:clamp(36px,10.5vw,42px);line-height:1.08}.lead{font-size:var(--text-lead-mobile);line-height:1.55}.search{grid-template-columns:1fr}.search button{min-height:52px}.section{padding-top:42px}.section.alt{margin-top:43px;padding:42px 0}.section-head{align-items:flex-start;flex-direction:column}.grid{grid-template-columns:1fr}.grid .card:last-child{grid-column:auto;display:block}.grid .card:last-child .cover{height:186px;min-height:0}.suggest-box{padding:28px 24px;align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.preview{display:none}}

.hero-search {
  position: relative;
  max-width: 760px;
  margin: 31px auto 0;
  text-align: left;
}

.hero-search .search {
  max-width: none;
  margin: 0;
}

.hero-live-panel {
  position: absolute;
  z-index: 40;
  top: calc(100% + 9px);
  right: 0;
  left: 0;
  max-height: min(440px, calc(100vh - 170px));
  overflow-y: auto;
  padding: 7px 12px 12px;
  border: 1px solid #dce5f1;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 22px 55px rgba(31, 66, 120, .17);
}

.hero-live-panel[hidden] {
  display: none;
}

.hero-live-status {
  min-height: 34px;
  padding: 8px 5px 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.hero-live-panel .live-result:first-child {
  border-top: 1px solid #edf1f6;
}

.hero-live-panel .view-all {
  margin-top: 8px;
}

@media (max-width: 720px) {
  .hero-search {
    margin-top: 31px;
  }

  .hero-live-panel {
    max-height: min(410px, calc(100vh - 150px));
    padding-inline: 9px;
  }

  .hero-live-panel .live-result {
    grid-template-columns: 36px minmax(0, 1fr) auto;
    gap: 10px;
    padding-inline: 5px;
  }
}
@media(max-width:460px){h1{font-size:39px}.popular{display:block;line-height:1.9}.popular strong{display:block}.popular a{display:inline-block;margin:0 5px}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}}

.photo-cover{
  background:#e8edf4;
  overflow:hidden;
}
.photo-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.photo-cover::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(9,24,45,0) 64%,rgba(9,24,45,.08) 100%);
}

/* Navegação compacta por categorias. */
.home-category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.home-category-card {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid #dfe8f3;
  border-radius: 20px;
  background:
    radial-gradient(circle at 92% 8%, rgba(31, 115, 234, .11), transparent 31%),
    #fff;
  box-shadow: 0 12px 28px rgba(28, 53, 91, .055);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.home-category-card:nth-child(4n + 2) {
  background:
    radial-gradient(circle at 92% 8%, rgba(239, 142, 45, .13), transparent 31%),
    #fff;
}

.home-category-card:nth-child(4n + 3) {
  background:
    radial-gradient(circle at 92% 8%, rgba(205, 68, 151, .11), transparent 31%),
    #fff;
}

.home-category-card:nth-child(4n) {
  background:
    radial-gradient(circle at 92% 8%, rgba(43, 156, 121, .11), transparent 31%),
    #fff;
}

.home-category-card:hover {
  transform: translateY(-3px);
  border-color: #bfd3ea;
  box-shadow: 0 17px 36px rgba(28, 53, 91, .095);
}

.home-category-card > a {
  min-height: 224px;
  padding: 20px;
  display: flex;
  flex-direction: column;
}

.home-category-card > a:focus-visible {
  outline: 4px solid var(--blue);
  outline-offset: -4px;
  border-radius: 20px;
}

.home-category-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--blue);
  font-size: var(--text-label);
  font-weight: 900;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.home-category-card-top span:last-child {
  font-size: 16px;
  letter-spacing: 0;
}

.home-category-card h3 {
  margin: 20px 0 0;
  font-size: 21px;
  line-height: 1.22;
  letter-spacing: -.03em;
}

.home-category-card p {
  margin: 9px 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.home-category-card strong {
  margin-top: auto;
  padding-top: 13px;
  border-top: 1px solid #e8eef5;
  color: var(--blue);
  font-size: var(--text-meta);
  font-weight: 850;
}

.home-learning-paths .learning-path-card:only-child {
  grid-column: span 2;
}

@media (max-width: 1000px) {
  .home-category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .home-category-grid .topic-card:last-child:nth-child(odd) {
    grid-column: 1 / -1;
    width: calc(50% - 8px);
    justify-self: center;
  }
}

@media (max-width: 700px) {
  .home-category-grid {
    grid-template-columns: 1fr;
  }

  .home-category-grid .topic-card:last-child:nth-child(odd) {
    grid-column: auto;
    width: auto;
    justify-self: stretch;
  }

  .home-category-card > a {
    min-height: 0;
  }

  .home-learning-paths .learning-path-card:only-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .home-category-card,
  .card-cta span {
    transition: none;
  }
}