/* HubAutomocao — Sandbox GEO/IA · estilo base · sem dependências externas, zero secrets */
:root{
  --bg:#0c1019; --bg-2:#11182a; --card:#151d31; --line:#243049;
  --txt:#e7ecf5; --muted:#9aa7c2; --brand:#4ea3ff; --brand-2:#7bf0c8;
  --warn:#ffcf6b; --demo:#c08bff; --maxw:1080px; --r:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:linear-gradient(180deg,#0a0e17,#0c1019 40%);color:var(--txt);
  font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
img{max-width:100%;height:auto}

/* header */
header.site{position:sticky;top:0;z-index:30;background:rgba(10,14,23,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:16px;padding:12px 20px;max-width:var(--maxw);margin:0 auto;flex-wrap:wrap}
.brand{font-weight:700;letter-spacing:.3px;display:flex;align-items:center;gap:8px;color:var(--txt)}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 12px var(--brand-2)}
.brand small{color:var(--muted);font-weight:500}
.menu{display:flex;gap:14px;flex-wrap:wrap;margin-left:auto}
.menu a{color:var(--muted);font-size:14px}
.menu a:hover,.menu a[aria-current="page"]{color:var(--txt)}
.menu-btn{display:none;background:var(--card);border:1px solid var(--line);color:var(--txt);
  border-radius:8px;padding:8px 12px;cursor:pointer}

/* hero / sections */
.hero{padding:64px 0 32px}
.kicker{color:var(--brand-2);font-weight:600;text-transform:uppercase;letter-spacing:1.5px;font-size:12px}
h1{font-size:clamp(28px,5vw,46px);line-height:1.12;margin:.3em 0}
h2{font-size:clamp(22px,3.4vw,30px);margin:1.6em 0 .5em}
h3{font-size:19px;margin:1.4em 0 .4em}
.lead{font-size:clamp(17px,2.2vw,20px);color:var(--txt)}
p,li{color:#d7deec}
.muted{color:var(--muted)}
section{padding:18px 0}
.grid{display:grid;gap:18px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.card h3{margin-top:0}

/* answer-first callout */
.answer{background:#0f1626;border:1px solid var(--line);
  border-left:4px solid var(--brand);border-radius:var(--r);padding:16px 18px;margin:18px 0}
.answer strong{color:#fff}

/* badges */
.badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;
  padding:2px 8px;border-radius:999px;vertical-align:middle;margin-left:6px}
.badge.demo{background:rgba(192,139,255,.15);color:var(--demo);border:1px solid rgba(192,139,255,.4)}
.badge.futuro{background:rgba(123,240,200,.12);color:var(--brand-2);border:1px solid rgba(123,240,200,.35)}
.badge.incerto{background:rgba(255,207,107,.12);color:var(--warn);border:1px solid rgba(255,207,107,.35)}

.notice{background:#16203a;border:1px dashed var(--line);border-radius:var(--r);padding:14px 16px;color:var(--muted);font-size:14px;margin:18px 0}

.btn{display:inline-block;background:var(--brand);color:#04101f;font-weight:700;padding:11px 18px;
  border-radius:10px;border:0;cursor:pointer}
.btn.ghost{background:transparent;color:var(--txt);border:1px solid var(--line)}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}

.breadcrumb{font-size:13px;color:var(--muted);padding-top:18px}
.breadcrumb a{color:var(--muted)}

/* faq */
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
details>summary{cursor:pointer;font-weight:600;color:#fff;list-style:none}
details>summary::-webkit-details-marker{display:none}
details[open]>summary{color:var(--brand-2)}

/* form */
label{display:block;font-size:14px;color:var(--muted);margin:12px 0 4px}
input,textarea{width:100%;background:#0c1320;border:1px solid var(--line);border-radius:10px;
  color:var(--txt);padding:11px 12px;font:inherit}
.field-note{font-size:12px;color:var(--muted)}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:48px;padding:28px 0;color:var(--muted);font-size:14px}
footer.site .cols{display:flex;gap:28px;flex-wrap:wrap;justify-content:space-between}
footer.site a{color:var(--muted)}
footer.site .lab{color:var(--warn)}

@media(max-width:820px){
  .menu{display:none;width:100%;flex-direction:column;gap:10px;margin:8px 0 0}
  .menu.open{display:flex}
  .menu-btn{display:inline-block;margin-left:auto}
  .grid.c2,.grid.c3{grid-template-columns:1fr}
  .hero{padding:40px 0 24px}
}

/* ===== Refino visual (19/06/2026) — polimento sem mudar o conceito aprovado ===== */
/* transições suaves e acessibilidade de foco */
a,.btn,.card,details,.menu a{transition:all .16s ease}
a:focus-visible,.btn:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(78,163,255,.3);color:#fff}

/* hero com leve brilho e respiro */
.hero{position:relative}
.hero::after{content:"";position:absolute;inset:-40px -40px auto auto;width:320px;height:320px;
  background:radial-gradient(circle,rgba(123,240,200,.10),transparent 70%);pointer-events:none;z-index:-1}
.lead{max-width:62ch}
.answer{max-width:74ch}
section p{max-width:74ch}

/* cards com profundidade e hover discreto */
.card{box-shadow:0 1px 0 rgba(255,255,255,.02) inset;position:relative}
.card:hover{border-color:#33446a;transform:translateY(-2px);box-shadow:0 10px 30px -16px rgba(0,0,0,.7)}
.card h3{display:flex;align-items:center;gap:6px;flex-wrap:wrap}

/* botões mais nítidos */
.btn{box-shadow:0 6px 18px -8px rgba(78,163,255,.6)}
.btn:hover{filter:brightness(1.06);text-decoration:none}
.btn.ghost{box-shadow:none}
.btn.ghost:hover{border-color:#33446a;background:#121a2c}

/* kicker com marcador */
.kicker{display:inline-flex;align-items:center;gap:8px}
.kicker::before{content:"";width:18px;height:2px;background:var(--brand-2);display:inline-block}

/* títulos com escala mais clara */
h2{padding-top:6px;border-top:1px solid transparent}
h2::after{content:"";display:block;width:46px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));margin-top:10px}

/* brand no header levemente destacada */
.brand{font-size:17px}
header.site{box-shadow:0 1px 0 rgba(255,255,255,.03)}

/* listas com respiro */
main ul{padding-left:20px}
main li{margin:4px 0}

/* footer mais organizado */
footer.site{line-height:1.9}
footer.site a:hover{color:var(--txt)}

/* details (FAQ) hover */
details:hover{border-color:#33446a}
details[open]{background:#11192c}

/* imagem de marca / og preview opcional */
img.cover{border:1px solid var(--line);border-radius:var(--r)}

@media(prefers-reduced-motion:reduce){
  a,.btn,.card,details,.menu a{transition:none}
  .card:hover{transform:none}
}