/* SMF IA — versão curta do design system do SMF Chat (azul SaaS dark) */
:root{
  --black:#030508;
  --void:#060B14;
  --panel:#0A1122;
  --panel-2:#0D1630;
  --border:rgba(56,189,248,.08);
  --border-active:rgba(56,189,248,.22);
  --primary:#2563EB;
  --primary-2:#3B82F6;
  --electric:#38BDF8;
  --text-1:#F0F4F8;
  --text-2:#8FA0B6;
  --text-3:#5A6B82;
  --font-head:'Plus Jakarta Sans',sans-serif;
  --font-body:'DM Sans',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --maxw:1160px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--black);
  color:var(--text-1);
  font-family:var(--font-body);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}

.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sec{padding:96px 0;position:relative}
.sec--void{background:var(--void)}

.sec__label{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-mono);
  font-size:.72rem;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--electric);
  margin-bottom:18px;
}
.sec__label::before{content:"";width:32px;height:1px;background:var(--electric)}

.sec h2{
  font-family:var(--font-head);font-weight:800;
  font-size:clamp(26px,4vw,38px);line-height:1.15;
  letter-spacing:-0.01em;color:#fff;max-width:640px;
  margin-bottom:20px;
}

/* ---------- Botões ---------- */
.btn{
  position:relative;isolation:isolate;overflow:hidden;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-head);font-weight:700;font-size:15px;
  padding:14px 26px;border-radius:10px;
  transition:transform .3s var(--ease), box-shadow .3s ease, background .3s ease, border-color .3s ease;
}
.btn--primary{
  background:var(--primary);color:#fff;
  box-shadow:0 10px 30px -10px rgba(37,99,235,.55);
}
.btn--primary:hover{background:var(--primary-2);transform:translateY(-2px)}
.btn--primary::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.25) 50%,transparent 70%);
  transform:translateX(-120%);
  transition:transform .8s var(--ease);
}
.btn--primary:hover::before{transform:translateX(120%)}
.btn--ghost{
  border:1px solid rgba(255,255,255,.16);color:var(--text-1);
  background:rgba(255,255,255,.03);
}
.btn--ghost:hover{border-color:var(--border-active);transform:translateY(-2px)}
.btn--lg{padding:17px 34px;font-size:16.5px}

/* ---------- Topbar ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(3,5,8,.82);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;
}
.topbar__brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-head);font-weight:800;font-size:18px;color:#fff;
}
.topbar__brand img{width:34px;height:34px;border-radius:8px}
.topbar__brand em{font-style:normal;color:var(--electric)}
.topbar__cta{padding:10px 20px;font-size:13.5px}

/* ---------- Hero ---------- */
.hero{
  padding:150px 0 90px;
  background:
    radial-gradient(800px 500px at 78% 20%, rgba(37,99,235,.16), transparent 60%),
    radial-gradient(600px 400px at 15% 85%, rgba(56,189,248,.08), transparent 60%),
    var(--black);
  overflow:hidden;
}
.hero__inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;color:var(--electric);
  background:rgba(56,189,248,.07);border:1px solid var(--border-active);
  padding:7px 14px 7px 11px;border-radius:999px;
}
.tag .dot{
  width:6px;height:6px;border-radius:50%;background:var(--electric);
  animation:pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot{
  0%,100%{opacity:1;box-shadow:0 0 10px var(--electric)}
  50%{opacity:.55;box-shadow:0 0 16px var(--electric)}
}
.hero__copy h1{
  font-family:var(--font-head);font-weight:800;
  font-size:clamp(34px,4.6vw,54px);line-height:1.08;
  letter-spacing:-0.02em;color:#fff;margin-top:22px;
}
.hero__copy .accent{color:var(--electric)}
.hero__sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:520px}
.hero__ctas{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.hero__note{
  margin-top:16px;font-family:var(--font-mono);
  font-size:11.5px;letter-spacing:.06em;color:var(--text-3);
}
.hero__media{position:relative}
.hero__media > img{
  border-radius:16px;
  border:1px solid var(--border-active);
  box-shadow:0 30px 80px -30px rgba(0,0,0,.8);
}
.hero__chip{
  position:absolute;left:-18px;bottom:26px;
  display:flex;align-items:center;gap:12px;
  background:rgba(10,17,34,.92);
  border:1px solid var(--border-active);
  border-radius:12px;padding:12px 18px;
  backdrop-filter:blur(8px);
  box-shadow:0 16px 40px rgba(0,0,0,.5);
}
.hero__chip-check{
  display:flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;
  background:rgba(37,211,102,.15);color:#25D366;font-weight:700;
}
.hero__chip strong{display:block;font-family:var(--font-head);font-size:14px;color:#fff}
.hero__chip small{font-family:var(--font-mono);font-size:10.5px;color:var(--text-3);letter-spacing:.04em}

/* ---------- Capacidades ---------- */
.caps{
  margin-top:36px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.cap{
  background:var(--panel);border:1px solid var(--border);
  border-radius:14px;padding:26px;
  transition:transform .45s var(--ease), border-color .35s ease, box-shadow .45s ease;
}
.cap:hover{
  transform:translateY(-5px);
  border-color:var(--border-active);
  box-shadow:0 16px 40px rgba(0,0,0,.4);
}
.cap__icon{
  width:48px;height:48px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(56,189,248,.1);margin-bottom:16px;
}
.cap__icon svg{
  width:24px;height:24px;stroke:var(--electric);fill:none;
  stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;
  filter:drop-shadow(0 0 8px rgba(56,189,248,.35));
}
.cap h3{font-family:var(--font-head);font-weight:700;font-size:17px;color:#fff;margin-bottom:8px}
.cap p{font-size:14px;color:var(--text-2)}

/* ---------- Sala do Chefe ---------- */
.sala{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:center;
}
.sala__copy p{color:var(--text-2);max-width:460px}
.sala__list{margin:22px 0 28px;list-style:none;display:flex;flex-direction:column;gap:12px}
.sala__list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:var(--text-2);
}
.sala__list svg{
  width:18px;height:18px;flex-shrink:0;margin-top:3px;
  stroke:#25D366;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round;
}
.sala__media img{
  border-radius:14px;
  border:1px solid var(--border-active);
  box-shadow:0 30px 70px -25px rgba(0,0,0,.75);
}

/* ---------- Steps ---------- */
.steps{
  margin-top:36px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.step{
  background:var(--panel);border:1px solid var(--border);
  border-radius:14px;padding:28px 26px;
  transition:transform .45s var(--ease), border-color .35s ease;
}
.step:hover{transform:translateY(-5px);border-color:var(--border-active)}
.step__num{
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  letter-spacing:.14em;color:var(--electric);
}
.step h3{font-family:var(--font-head);font-weight:700;font-size:17px;color:#fff;margin:12px 0 8px}
.step p{font-size:14px;color:var(--text-2)}

/* ---------- Final ---------- */
.final{
  background:
    radial-gradient(700px 400px at 50% 0%, rgba(37,99,235,.18), transparent 65%),
    var(--void);
}
.final__inner{text-align:center;display:flex;flex-direction:column;align-items:center}
.final h2{max-width:560px;margin-left:auto;margin-right:auto}
.final p{color:var(--text-2);max-width:480px;margin-bottom:30px}

/* ---------- Footer ---------- */
.footer{padding:36px 24px;text-align:center;border-top:1px solid var(--border)}
.footer p{font-family:var(--font-mono);font-size:11.5px;color:var(--text-3)}
.footer a{color:var(--text-2);text-decoration:underline}

:focus-visible{outline:2px solid var(--electric);outline-offset:3px;border-radius:4px}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero{padding:120px 0 64px}
  .hero__inner{grid-template-columns:1fr;gap:40px}
  .hero__copy{order:1}
  .hero__media{order:2;max-width:560px}
  .hero__chip{left:12px}
  .caps{grid-template-columns:1fr 1fr}
  .sala{grid-template-columns:1fr;gap:36px}
  .steps{grid-template-columns:1fr}
}
@media (max-width:640px){
  .sec{padding:68px 0}
  .caps{grid-template-columns:1fr}
  .topbar__cta{padding:9px 14px;font-size:12.5px}
  .hero__ctas .btn{width:100%}
}