/* Central de Ajuda · Autodidata Fluente — design system Go Beyond */
:root{
  --blue:#308DFF;--blue-300:#7BCDFF;--blue-700:#005AE9;--blue-tint:rgba(48,141,255,.14);
  --lime:#DFF71C;--on-lime:#141602;--bg:#090909;--surface:#131316;--surface-2:#1A1B1F;
  --text:#F4F4F5;--muted:#9B9BA3;--muted-2:#6E6E76;--hair:rgba(255,255,255,.08);
  --font:'Jost',system-ui,sans-serif;--r-card:18px;--r-btn:14px;--r-pill:999px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--blue-300);text-decoration:none}
a:hover{color:var(--blue)}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.narrow{max-width:880px;margin:0 auto;padding:0 24px}

/* header */
header{border-bottom:1px solid var(--hair);position:relative;z-index:2}
.head-in{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.logo img{height:30px;display:block}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(223,247,28,.12);border:1px solid rgba(223,247,28,.35);color:var(--lime);border-radius:var(--r-pill);padding:6px 16px;font-size:13px;font-weight:600}
.badge .dot{width:8px;height:8px;border-radius:var(--r-pill);background:var(--lime)}

/* hero */
.hero{text-align:center;padding:72px 0 48px;position:relative}
.ghost{position:absolute;right:24px;top:-20px;font-size:min(300px,30vw);font-weight:700;color:var(--blue);opacity:.07;line-height:1;pointer-events:none;user-select:none;letter-spacing:-.04em;z-index:0}
.eyebrow{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-300)}
.hero h1{font-size:clamp(30px,5vw,46px);font-weight:700;line-height:1.08;letter-spacing:-.02em;margin:14px 0 16px}
.hero h1 .accent{color:var(--blue)}
.hero p{color:var(--muted);max-width:560px;margin:0 auto 30px}
.hint{font-size:14px;color:var(--muted-2);margin-top:14px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--blue);color:#F4F4F5;border:none;border-radius:var(--r-btn);font:600 17px var(--font);padding:15px 32px;cursor:pointer;transition:background .12s,transform .08s;text-decoration:none}
.btn:hover{background:var(--blue-700);color:#F4F4F5}
.btn:active{transform:scale(.985)}
.btn-lime{background:var(--lime);color:var(--on-lime)}
.btn-lime:hover{background:#cbe310;color:var(--on-lime)}
.btn svg{flex:none}

/* trilha band (home) */
.band{background:var(--blue-tint);border:1px solid var(--blue);border-radius:var(--r-card);padding:26px 28px;display:flex;flex-direction:column;gap:20px;margin-bottom:28px;position:relative;z-index:1}
.band-top{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.band h2{font-size:24px;font-weight:700;letter-spacing:-.01em;margin-top:4px}
.band-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.bstep{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600}
.bnum{width:32px;height:32px;border-radius:var(--r-pill);background:var(--blue);color:#F4F4F5;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.bnum.lime{background:var(--lime);color:var(--on-lime)}

/* category cards (home) */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;position:relative;z-index:1}
.card{background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-card);padding:24px;display:flex;flex-direction:column;gap:14px;color:var(--text);transition:border-color .12s,transform .12s}
.card:hover{border-color:var(--blue);transform:translateY(-2px);color:var(--text)}
.icon-tile{width:44px;height:44px;border-radius:var(--r-btn);background:var(--blue-tint);display:flex;align-items:center;justify-content:center}
.card h3{font-size:18px;font-weight:600}
.card p{font-size:15px;color:var(--muted);line-height:1.45}

.horario{background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-card);padding:20px 24px;display:flex;align-items:center;gap:16px;margin:24px 0 56px;font-size:15px;color:var(--muted)}
.horario .dot{width:10px;height:10px;border-radius:var(--r-pill);background:var(--lime);box-shadow:0 0 0 4px rgba(223,247,28,.15);flex:none}
.horario strong{color:var(--text);font-weight:600}

footer{border-top:1px solid var(--hair);padding:22px 0;text-align:center;font-size:13px;color:var(--muted-2)}

/* category pages */
.crumb{display:inline-flex;align-items:center;gap:8px;font-size:15px;color:var(--muted-2);margin:36px 0 30px}
.crumb:hover{color:var(--muted)}
.cat-head{display:flex;align-items:center;gap:18px;margin-bottom:30px}
.cat-head .icon-tile{width:56px;height:56px}
.cat-head h1{font-size:30px;font-weight:700;letter-spacing:-.02em}
.cat-head p{font-size:16px;color:var(--muted)}
.group-label{font-size:12px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-300);margin:32px 0 14px}
.group-label:first-of-type{margin-top:0}

.faq{display:flex;flex-direction:column;gap:12px}
details{background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-card);overflow:hidden;transition:border-color .12s}
details[open]{border-color:var(--blue)}
summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px;cursor:pointer;font-size:18px;font-weight:600}
summary::-webkit-details-marker{display:none}
summary .chev{flex:none;transition:transform .15s;color:var(--muted-2)}
details[open] summary .chev{transform:rotate(180deg);color:var(--blue-300)}
.answer{padding:0 28px 24px;color:var(--muted);font-size:16px;display:flex;flex-direction:column;gap:12px}
.answer strong{color:var(--text);font-weight:600}
.answer .box{background:var(--surface-2);border:1px solid var(--hair);border-radius:var(--r-btn);padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.answer .small{font-size:14.5px;color:var(--muted-2)}
.answer ol{padding-left:22px;display:flex;flex-direction:column;gap:8px}
.answer img{max-width:320px;border-radius:var(--r-btn);border:1px solid var(--hair)}

.cta-chat{margin:40px 0 64px;background:var(--blue-tint);border:1px solid var(--blue);border-radius:var(--r-card);padding:24px 28px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.cta-chat h4{font-size:19px;font-weight:700}
.cta-chat p{font-size:15.5px;color:var(--muted)}

/* trilha page */
.chips{display:flex;flex-direction:column;align-items:center;gap:12px;margin-bottom:48px}
.chips-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.chip{border-radius:var(--r-pill);border:1px solid rgba(48,141,255,.4);background:var(--blue-tint);padding:9px 18px;font-size:15px;font-weight:500;color:var(--text);cursor:pointer}
.chip:hover{border-color:var(--blue);color:var(--text)}
.fase{display:flex;gap:24px}
.fase-rail{display:flex;flex-direction:column;align-items:center;flex:none;width:48px}
.fase-num{width:44px;height:44px;border-radius:var(--r-pill);background:var(--blue);color:#F4F4F5;font-size:19px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:none}
.fase-num.lime{background:var(--lime);color:var(--on-lime)}
.fase-line{width:2px;flex-grow:1;background:var(--hair);margin:8px 0}
.fase-body{display:flex;flex-direction:column;gap:14px;padding-bottom:44px;flex-grow:1;min-width:0}
.fase-title{padding-top:7px}
.fase-title h2{font-size:22px;font-weight:700}
.fase-title span{font-size:14px;color:var(--muted-2)}
.step{background:var(--surface);border:1px solid var(--hair);border-radius:var(--r-card);padding:16px 20px;display:flex;gap:14px;align-items:flex-start}
.step input[type=checkbox]{appearance:none;width:22px;height:22px;border:1.5px solid var(--muted-2);border-radius:7px;flex:none;margin-top:3px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;background:transparent}
.step input[type=checkbox]:checked{background:var(--blue);border-color:var(--blue)}
.step input[type=checkbox]:checked::after{content:'✓';color:#fff;font-size:13px;font-weight:700}
.step label{cursor:pointer}
.step .t{color:var(--muted)}
.step .t strong{color:var(--text)}
.step input:checked ~ label .t,.step input:checked ~ label .t strong{color:var(--muted-2);text-decoration:line-through;text-decoration-color:rgba(255,255,255,.3)}

.prints{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:6px}
.prints.tres{grid-template-columns:repeat(3,minmax(0,1fr))}
.print{display:flex;flex-direction:column;gap:8px}
.print-frame{position:relative;border:1px solid var(--hair);border-radius:16px;overflow:hidden;background:var(--surface)}
.print-frame img{width:100%;display:block}
.print-cap{font-size:13px;color:var(--muted);line-height:1.35}
.print-cap b{color:var(--lime);font-weight:700}
.ring{position:absolute;border:2px solid var(--lime);border-radius:10px;animation:af-pulse 2s infinite;pointer-events:none}
.ring.pill{border-radius:var(--r-pill)}
.arrow-down{position:absolute;left:50%;bottom:24px;animation:af-bounce 1.6s ease-in-out infinite;pointer-events:none}
@keyframes af-bounce{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,12px)}}
@keyframes af-pulse{0%{box-shadow:0 0 0 0 rgba(223,247,28,.65)}70%{box-shadow:0 0 0 14px rgba(223,247,28,0)}100%{box-shadow:0 0 0 0 rgba(223,247,28,0)}}

.mapa{margin-top:40px;background:var(--blue-tint);border:1px solid var(--blue);border-radius:var(--r-card);padding:28px 32px}
.mapa h2{font-size:22px;font-weight:700;margin:4px 0 14px}
.mapa-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:13px 0;border-bottom:1px solid var(--hair)}
.mapa-row:last-child{border-bottom:none}
.mapa-row .q{font-weight:600}
.mapa-row .a{color:var(--muted)}

@media (max-width:720px){
  .band-steps{grid-template-columns:1fr;gap:10px}
  .band-top{flex-direction:column;align-items:flex-start}
  .band-top .btn{align-self:stretch}
  .prints,.prints.tres{grid-template-columns:repeat(2,minmax(0,1fr))}
  .horario{flex-direction:column;text-align:center;gap:10px}
  .fase{gap:14px}
  .fase-rail{width:36px}
  .fase-num{width:36px;height:36px;font-size:16px}
  .mapa-row{grid-template-columns:1fr;gap:4px;padding:12px 0}
  summary{padding:18px 20px;font-size:16.5px}
  .answer{padding:0 20px 20px}
  .cta-chat{flex-direction:column;align-items:stretch;text-align:center}
  .hero{padding:48px 0 36px}
}