.categoria-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 40px;
}

.cat-titulo-wrap {
  margin-bottom: 48px;
  text-align: center;
}

.cat-titulo-wrap h2 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #ffffff;
  margin-bottom: 12px;
}

.cat-titulo-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, #00cfff, #ff2d78);
  margin: 0 auto;
  box-shadow: 0 0 10px rgba(0,207,255,0.4);
}

/* CALCULADORA */
.calculadora {
  max-width: 560px;
  margin: 0 auto;
  background: linear-gradient(145deg, #111128, #0a0a1a);
  border: 1px solid rgba(0,207,255,0.15);
  border-radius: 6px;
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  position: relative;
}

.calculadora::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, #00cfff, #ff2d78, transparent);
}

.calculadora::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 20px; height: 20px;
  background: #00cfff;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0.7;
}

.calc-header {
  background: rgba(0,207,255,0.04);
  border-bottom: 1px solid rgba(0,207,255,0.1);
  padding: 28px 36px 24px;
  text-align: center;
}

.calc-badge {
  display: inline-block;
  background: rgba(0,207,255,0.08);
  border: 1px solid rgba(0,207,255,0.25);
  color: #00cfff;
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  padding: 3px 12px;
  border-radius: 3px;
  margin-bottom: 12px;
  text-shadow: 0 0 8px rgba(0,207,255,0.3);
}

.calc-header h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #ffffff;
  margin-bottom: 8px;
}

.calc-header p {
  color: #4a4a6a;
  font-size: 13px;
}

.calc-header strong {
  color: #00cfff;
}

.calc-body {
  padding: 28px 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.calc-body label {
  color: #00cfff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  font-family: 'Rajdhani', sans-serif;
  text-shadow: 0 0 8px rgba(0,207,255,0.3);
}

.calc-body input {
  width: 100%;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(0,207,255,0.15);
  border-radius: 4px;
  padding: 12px 16px;
  color: #e0e0ff;
  font-size: 15px;
  outline: none;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}

.calc-body input::placeholder { color: #2a2a4a; }

.calc-body input:focus {
  border-color: rgba(0,207,255,0.5);
  background: rgba(0,207,255,0.04);
  box-shadow: 0 0 16px rgba(0,207,255,0.06);
}

.calc-resultado {
  font-family: 'Rajdhani', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #ff2d78;
  text-align: center;
  text-shadow: 0 0 16px rgba(255,45,120,0.4);
  min-height: 28px;
}

.calc-body .btn {
  margin-top: 4px;
  text-align: center;
  border: none;
  cursor: pointer;
}

@media (max-width: 600px) {
  .categoria-page { padding: 40px 20px; }
  .calc-header, .calc-body { padding: 20px; }
}