html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: linear-gradient(135deg, #181824 0%, #2b2250 100%);
  color: #e5e7eb;
  font-family: 'Rajdhani', 'Segoe UI', Arial, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}
#ai-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100vw !important;
  height: 100vh !important;
  z-index: 0;
  pointer-events: none;
  display: block;
}
header {
  background: rgba(28,24,60, 0.96);
  border-bottom: 1px solid #392e63;
  padding: 28px 0 18px 0;
  text-align: center;
  box-shadow: 0 6px 16px #21153b66;
  position: relative;
  z-index: 3;
}
header h1 a {
  font-family: 'Orbitron', 'Rajdhani', Arial, sans-serif;
  color: #7d55ff;
  text-decoration: none;
  font-size: 2.7rem;
  letter-spacing: 0.06em;
  text-shadow: 0 0 22px #00ffc366, 0 0 1px #fff;
}
nav {
  margin-top: 10px;
  z-index: 3;
  position: relative;
}
nav a {
  margin: 0 12px;
  color: #fff;
  text-decoration: none;
  font-family: 'Rajdhani', Arial, sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: 18px;
  transition: all 0.18s;
}
nav a:hover, nav a:focus {
  background: linear-gradient(90deg, #a855f7 20%, #0ff0fc 100%);
  color: #232336;
  box-shadow: 0 0 16px #00ffc399, 0 0 1px #fff;
}
main {
  max-width: 980px;
  margin: 36px auto;
  padding: 0 18px 40px 18px;
  position: relative;
  z-index: 2;
}
section {
  margin-bottom: 48px;
  background: rgba(40,30,66, 0.82);
  padding: 32px 26px;
  border-radius: 24px;
  box-shadow: 0 4px 28px #0004;
  backdrop-filter: blur(8px);
  border: 1px solid #553ac4;
  animation: sectionFadeIn 1.3s;
}
@keyframes sectionFadeIn {
  from {opacity: 0; transform: translateY(40px);}
  to {opacity: 1; transform: none;}
}
/* Animação suave ao rolar */
[data-anim] { opacity: 0; transform: translateY(40px); transition: opacity .8s, transform .8s;}
[data-anim].ativo { opacity: 1; transform: none;}
.hero input[type="text"] {
  width: 100%;
  padding: 16px;
  font-size: 1.1rem;
  border-radius: 10px;
  border: 1.5px solid #553ac4;
  background: rgba(24,24,27, 0.96);
  color: #d2d6dc;
  margin: 22px 0 0 0;
  box-shadow: 0 0 8px #a855f755;
  font-family: 'Rajdhani', Arial, sans-serif;
  outline: none;
  transition: border .2s;
  position: relative;
  z-index: 2;
}
.hero input[type="text"]:focus {
  border: 2px solid #0ff0fc;
}
.categorias-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: center;
  z-index: 2;
  position: relative;
}
.categorias-grid a {
  background: linear-gradient(120deg, #a855f7 25%, #0ff0fc 100%);
  padding: 17px 28px;
  border-radius: 16px;
  color: #18181b;
  font-family: 'Orbitron', Arial, sans-serif;
  font-size: 1.08rem;
  font-weight: bold;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0 0 16px #7b3fe4b0, 0 1px 4px #0002;
  border: none;
  transition: filter 0.18s, background 0.25s;
  filter: brightness(1) saturate(1.06);
}
.categorias-grid a:hover {
  filter: brightness(1.3) saturate(1.7);
  box-shadow: 0 0 22px #0ff0fcbb, 0 0 2px #fff;
}
/* Efeito Cards Neon */
.ferramenta-card, .ferramenta-destaque {
  background: rgba(32,28,48, 0.92);
  border-radius: 20px;
  padding: 24px 24px 16px 24px;
  margin-bottom: 22px;
  box-shadow: 0 0 30px #9f6aff36, 0 2px 10px #0001, 0 0 32px #a855f733, 0 2px 8px #0ff0fc66;
  border: 2px solid #0ff0fc;
  position: relative;
  overflow: hidden;
  animation: cardFadeIn 1.5s;
  transition: border-color .18s, box-shadow .18s;
}
@keyframes cardFadeIn {
  from {opacity: 0; transform: translateY(60px);}
  to {opacity: 1; transform: none;}
}
.ferramenta-card:hover, .ferramenta-destaque:hover {
  border-color: #a855f7;
  box-shadow: 0 0 36px #0ff0fc99, 0 2px 22px #a855f777;
  z-index: 2;
}
.ferramenta-card h3, .ferramenta-destaque h3 {
  color: #7d55ff;
  font-family: 'Orbitron', 'Rajdhani', Arial, sans-serif;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  text-shadow: 0 0 10px #a855f799;
}
.ferramenta-card a, .ferramenta-destaque a, button[type="submit"] {
  display: inline-block;
  margin-top: 9px;
  padding: 8px 23px;
  background: linear-gradient(90deg, #a855f7 20%, #0ff0fc 100%);
  color: #232336;
  border-radius: 18px;
  font-family: 'Rajdhani', Arial, sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  box-shadow: 0 0 24px #0ff0fc99, 0 2px 12px #a855f799;
  border: none;
  transition: transform 0.18s, box-shadow 0.18s;
  position: relative;
}
.ferramenta-card a:hover, .ferramenta-destaque a:hover, button[type="submit"]:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 0 32px #0ff0fcdd, 0 2px 22px #a855f7cc;
}
footer {
  text-align: center;
  padding: 36px 0 18px 0;
  background: rgba(24,24,27, 0.95);
  color: #bbb;
  border-top: 1px solid #392e63;
  margin-top: 60px;
  font-size: 1.06em;
  letter-spacing: 0.03em;
  z-index: 3;
  position: relative;
}
footer a {
  color: #0ff0fc;
  text-decoration: none;
  font-weight: bold;
}
a {
  color: #0ff0fc;
  text-decoration: none;
  transition: color 0.14s;
}
a:hover {
  color: #a855f7;
}
.blog-list article {
  background: rgba(40,30,66,0.77);
  border-radius: 16px;
  margin-bottom: 28px;
  padding: 22px;
  border: 1.2px solid #553ac4;
  box-shadow: 0 2px 18px #a855f733, 0 2px 8px #0002;
}
input[type="text"], input[type="email"], textarea {
  background: rgba(32,28,48,0.97);
  border: 1.5px solid #553ac4;
  color: #e5e7eb;
  border-radius: 10px;
  padding: 12px 13px;
  font-size: 1rem;
  margin-bottom: 18px;
  width: 100%;
  outline: none;
  box-shadow: 0 0 6px #a855f766;
  font-family: 'Rajdhani', Arial, sans-serif;
  transition: border .2s;
  position: relative;
  z-index: 2;
}
input:focus, textarea:focus {
  border: 2px solid #0ff0fc;
}
button[type="submit"] {
  background: linear-gradient(90deg, #a855f7 20%, #0ff0fc 100%);
  color: #18181b;
  font-weight: bold;
  border: none;
  padding: 11px 38px;
  border-radius: 14px;
  cursor: pointer;
  margin-top: 12px;
  font-size: 1.1rem;
  font-family: 'Rajdhani', Arial, sans-serif;
  transition: filter 0.18s, background 0.24s;
  box-shadow: 0 0 18px #a855f766;
}
button[type="submit"]:hover {
  filter: brightness(1.4);
  background: linear-gradient(90deg, #0ff0fc 10%, #a855f7 100%);
  color: #2b2250;
}
.contato-form label {
  font-weight: bold;
  letter-spacing: 0.03em;
}
::-webkit-scrollbar { width: 10px; background: #232336; }
::-webkit-scrollbar-thumb { background: #0ff0fc55; border-radius: 5px; }
@media (max-width: 700px) {
  main { max-width: 98vw; }
  .categorias-grid { flex-direction: column; gap: 13px; }
  section, .blog-list article, .ferramenta-card { padding: 14px; }
  header { padding: 12px; }
  .hero input[type="text"] { font-size: 1em; }
}