:root {
  --bg: #05070d; --bg2: #0a0f1c; --card: #10182b; --card2: #16213a;
  --line: rgba(255,255,255,.09); --txt: #f2f4fa; --mut: #93a0c2;
  --azul: #3e99e8; --azul2: #6fc3ff; --violeta: #8b6bff;
  --ok: #22c55e; --erro: #ff6b6b;
  --f-tit: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --f-txt: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  font-family: var(--f-txt); color: var(--txt); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; color: inherit; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--azul2); outline-offset: 2px; }

#fio-topo {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 60;
  background: linear-gradient(90deg, transparent, var(--azul), var(--violeta), transparent);
  background-size: 200% 100%; animation: fio 5s linear infinite; opacity: .8;
}
@keyframes fio { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) { #fio-topo { animation: none; } }

/* ---------- topo ---------- */
.topo {
  position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; background: rgba(5,7,13,.72); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
@media (min-width: 640px) { .topo { gap: 20px; padding: 14px 24px; } }
.marca { display: flex; align-items: center; gap: 10px; font-family: var(--f-tit); font-size: 23px; font-weight: 600; letter-spacing: .2px; flex: none; }
.marca b { font-weight: 700; color: var(--azul2); }
.nav-desk { display: none; gap: 26px; margin-left: auto; font-size: 14.5px; font-weight: 500; color: #cdd6ee; }
.nav-desk a:hover { color: var(--azul2); }
.cta-topo {
  margin-left: auto; border: 1px solid rgba(110,180,255,.4); background: rgba(62,153,232,.1); color: var(--azul2);
  padding: 9px 14px; border-radius: 99px; font-weight: 600; font-size: 13px; cursor: pointer;
  transition: background .15s ease; flex: none; max-width: 128px;
}
.cta-topo:hover { background: rgba(62,153,232,.22); }
@media (min-width: 860px) { .nav-desk { display: flex; } }

/* ---------- hero ---------- */
.hero { position: relative; padding: 76px 24px 90px; max-width: 1100px; margin: 0 auto; text-align: center; overflow: hidden; }
.hero-glow {
  position: absolute; top: -220px; left: 50%; transform: translateX(-50%); width: 900px; height: 620px; z-index: -1;
  background: radial-gradient(closest-side, rgba(62,153,232,.28), rgba(139,107,255,.14) 55%, transparent 75%);
  filter: blur(10px);
}
.selo {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; color: var(--azul2);
  background: rgba(62,153,232,.1); border: 1px solid rgba(110,180,255,.3); padding: 7px 14px; border-radius: 99px; margin-bottom: 26px;
}
h1 {
  font-family: var(--f-tit); font-weight: 700; line-height: 1.1; letter-spacing: -.5px;
  font-size: clamp(28px, 6.4vw, 62px); max-width: min(18ch, 92vw); margin: 0 auto 20px; overflow-wrap: break-word;
}
h1 em { font-style: normal; background: linear-gradient(90deg, var(--azul2), var(--violeta)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .sub { color: var(--mut); font-size: 17px; max-width: min(56ch, 92vw); margin: 0 auto 34px; line-height: 1.55; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.bt-primario {
  display: inline-flex; align-items: center; gap: 10px; border: 0; border-radius: 13px; padding: 15px 24px;
  background: linear-gradient(135deg, var(--azul), var(--violeta)); color: #fff; font-weight: 700; font-size: 15.5px; cursor: pointer;
  box-shadow: 0 10px 30px rgba(62,153,232,.3); transition: transform .15s ease;
}
.bt-primario:hover { transform: translateY(-2px); }
.bt-secundario {
  display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 13px; padding: 15px 22px;
  color: #e4e9f7; font-weight: 600; font-size: 15px; background: rgba(255,255,255,.03); transition: background .15s ease;
}
.bt-secundario:hover { background: rgba(255,255,255,.07); }
.hero-nota { font-size: 12.5px; color: var(--mut); opacity: .8; }

/* ---------- seções genéricas ---------- */
.secao { padding: 78px 24px; max-width: 1160px; margin: 0 auto; }
.secao-escura { background: var(--bg2); max-width: none; padding-left: 24px; padding-right: 24px; }
.secao-escura > * { max-width: 1160px; margin-left: auto; margin-right: auto; }
.kicker { font-size: 12.5px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--azul2); margin-bottom: 10px; text-align: center; }
.secao h2 { font-family: var(--f-tit); font-weight: 700; font-size: clamp(24px, 5.5vw, 38px); text-align: center; max-width: min(24ch, 92vw); margin: 0 auto 16px; letter-spacing: -.3px; overflow-wrap: break-word; }
.secao-sub { text-align: center; color: var(--mut); max-width: min(62ch, 92vw); margin: 0 auto 44px; font-size: 15.5px; line-height: 1.6; }
#o-que-fazemos h2, #modelos h2 { margin-bottom: 44px; }

/* ---------- cards de recurso ---------- */
.grade-4 { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .grade-4 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .grade-4 { grid-template-columns: repeat(4, 1fr); } }
.card-recurso { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px 22px; transition: transform .15s ease, border-color .15s ease; }
.card-recurso:hover { transform: translateY(-3px); border-color: rgba(110,180,255,.3); }
.icone-recurso { font-size: 30px; margin-bottom: 14px; }
.card-recurso h3 { font-family: var(--f-tit); font-size: 17px; margin-bottom: 8px; }
.card-recurso p { color: var(--mut); font-size: 14px; line-height: 1.55; }

/* ---------- cases ---------- */
.grade-cases { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 700px) { .grade-cases { grid-template-columns: 1fr 1fr; } }
.case { background: var(--card); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; display: flex; flex-direction: column; transition: transform .15s ease, border-color .15s ease; }
.case:hover { transform: translateY(-3px); border-color: rgba(110,180,255,.35); }
.case img { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: top; background: #060910; }
.case-corpo { padding: 20px 22px 22px; }
.case-corpo h3 { font-family: var(--f-tit); font-size: 18px; margin-bottom: 8px; }
.case-corpo p { color: var(--mut); font-size: 14px; line-height: 1.55; margin-bottom: 14px; }
.case-corpo b { color: #dfe6fa; }
.case-link { font-size: 13px; font-weight: 700; color: var(--azul2); }

/* ---------- modelos ---------- */
.grade-modelos { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .grade-modelos { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .grade-modelos { grid-template-columns: repeat(4, 1fr); } }
.modelo {
  position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 26px 22px 22px;
  display: flex; flex-direction: column; gap: 8px; min-height: 168px;
}
.modelo.pronto { cursor: pointer; border-color: rgba(110,180,255,.3); transition: transform .15s ease, border-color .15s ease; }
.modelo.pronto:hover { transform: translateY(-3px); border-color: var(--azul2); }
.modelo-emoji { font-size: 28px; }
.modelo h3 { font-family: var(--f-tit); font-size: 16.5px; }
.modelo p { color: var(--mut); font-size: 13.5px; line-height: 1.5; }
.modelo-tag { position: absolute; top: 16px; right: 16px; font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 99px; background: rgba(62,153,232,.18); color: var(--azul2); }
.tag-em-breve { background: rgba(255,255,255,.06); color: var(--mut); }
.modelos-nota { text-align: center; color: var(--mut); font-size: 13.5px; margin-top: 30px; }

/* ---------- como funciona ---------- */
.passos { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 800px) { .passos { grid-template-columns: repeat(3, 1fr); } }
.passo-n {
  display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--azul), var(--violeta)); color: #fff; font-family: var(--f-tit); font-weight: 700; margin-bottom: 16px;
}
.passo h3 { font-family: var(--f-tit); font-size: 17px; margin-bottom: 8px; }
.passo p { color: var(--mut); font-size: 14px; line-height: 1.55; }

/* ---------- CTA final ---------- */
.secao-cta { text-align: center; }
.bt-grande { padding: 17px 30px; font-size: 16px; margin: 0 auto; }
.contato-alt { margin-top: 18px; color: var(--mut); font-size: 14px; }
.contato-alt a { color: var(--azul2); font-weight: 600; }
.isca { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-contato { max-width: 480px; margin: 14px auto 0; display: flex; flex-direction: column; gap: 10px; text-align: left; }
.form-contato-linha { display: flex; gap: 10px; }
.form-contato-linha input { flex: 1; min-width: 0; }
.form-contato input, .form-contato textarea { border-radius: 12px; padding: 12px 14px; font: inherit; font-size: 15px; background: var(--bg); border: 1px solid #223252; color: var(--txt); resize: vertical; }
.form-contato input:focus, .form-contato textarea:focus { outline: none; border-color: var(--azul2); }
.form-contato button { align-self: center; margin-top: 4px; }
.form-contato-aviso { text-align: center; font-size: 14px; margin: 0; }
.form-contato-aviso.erro { color: #ff8080; }
.form-contato-aviso.ok { color: #7ee787; }
@media (max-width: 520px) { .form-contato-linha { flex-direction: column; } }

/* ---------- rodapé ---------- */
.rodape { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 30px 24px 40px; color: var(--mut); font-size: 13px; border-top: 1px solid var(--line); }

/* ---------- chat ---------- */
.chat-fab {
  position: fixed; right: 18px; bottom: 18px; z-index: 50; display: flex; align-items: center; gap: 10px;
  border: 0; border-radius: 99px; padding: 10px 22px 10px 10px; cursor: pointer; font-weight: 700; font-size: 14.5px;
  background: linear-gradient(135deg, var(--azul), var(--violeta)); color: #fff; box-shadow: 0 10px 34px rgba(62,153,232,.45);
  transition: transform .15s ease;
}
.chat-fab:hover { transform: translateY(-2px) scale(1.03); }
.chat-fab img { width: 36px; height: 36px; border-radius: 50%; background: #0a1020; padding: 5px; flex: none; }
.chat-fab-pulso {
  position: absolute; left: 5px; top: 5px; width: 36px; height: 36px; border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(111,195,255,.65); animation: pulso-fab 2.2s ease-out infinite; pointer-events: none;
}
@keyframes pulso-fab { 0% { box-shadow: 0 0 0 0 rgba(111,195,255,.55); } 70% { box-shadow: 0 0 0 14px rgba(111,195,255,0); } 100% { box-shadow: 0 0 0 0 rgba(111,195,255,0); } }
@media (prefers-reduced-motion: reduce) { .chat-fab-pulso { animation: none; } }
.chat-fab.oculto { display: none; }
.chat {
  position: fixed; z-index: 55; right: 18px; bottom: 18px; width: min(390px, calc(100% - 32px));
  height: min(580px, calc(100vh - 96px)); height: min(580px, calc(100dvh - 96px)); display: flex; flex-direction: column;
  border-radius: 22px; overflow: hidden; background: var(--bg2); border: 1px solid #223252; box-shadow: 0 24px 70px rgba(0,0,0,.6);
}
.chat[hidden] { display: none; }
@media (max-width: 520px) { .chat { right: 0; left: 0; bottom: 0; width: 100%; height: min(80vh, 620px); height: min(80dvh, 620px); border-radius: 22px 22px 0 0; } }
.chat-topo { display: flex; align-items: center; gap: 10px; padding: 14px; background: linear-gradient(135deg, var(--azul), var(--violeta)); }
.chat-topo img { border-radius: 50%; }
.chat-topo div { display: flex; flex-direction: column; line-height: 1.15; }
.chat-topo small { opacity: .85; font-size: 11.5px; }
.chat-topo button { margin-left: auto; width: 32px; height: 32px; border-radius: 50%; border: 0; background: rgba(255,255,255,.18); display: grid; place-items: center; cursor: pointer; }
.chat-msgs { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 11px; }
.m { max-width: 88%; padding: 11px 14px; border-radius: 16px; font-size: 14.5px; line-height: 1.45; white-space: pre-wrap; word-wrap: break-word; }
.m.bot { background: var(--card2); border-bottom-left-radius: 5px; align-self: flex-start; }
.m.eu { background: var(--azul); color: #fff; border-bottom-right-radius: 5px; align-self: flex-end; font-weight: 500; }
.m.pensando { display: flex; gap: 5px; align-items: center; padding: 13px 16px; }
.m.pensando i { width: 6px; height: 6px; border-radius: 50%; background: var(--mut); animation: pulsa 1.2s ease-in-out infinite; }
.m.pensando i:nth-child(2) { animation-delay: .15s; } .m.pensando i:nth-child(3) { animation-delay: .3s; }
@keyframes pulsa { 0%, 60%, 100% { opacity: .3; transform: scale(.85); } 30% { opacity: 1; transform: scale(1); } }
.chat-atalhos { display: flex; gap: 7px; flex-wrap: wrap; padding: 4px 14px 10px; }
.atalho { border: 1px solid #2a3e63; background: transparent; padding: 8px 12px; border-radius: 99px; font-size: 13px; font-weight: 600; cursor: pointer; color: #dfe6fa; }
.atalho:hover { background: var(--card2); }
.chat-form { display: flex; gap: 8px; padding: 10px 12px 12px; border-top: 1px solid var(--line); }
.chat-form input { flex: 1; border-radius: 99px; padding: 11px 16px; font-size: 16px; background: var(--bg); border: 1px solid #223252; color: var(--txt); }
.chat-form button { width: 44px; height: 44px; border-radius: 50%; border: 0; background: linear-gradient(135deg, var(--azul), var(--violeta)); color: #fff; display: grid; place-items: center; cursor: pointer; flex: none; }
.chat-form button:disabled { opacity: .5; cursor: wait; }

@media (max-width: 480px) { .chat-fab span { display: none; } .chat-fab { padding: 15px; } }