.aportacio-inici {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  margin: 2rem auto;
  max-width: 1200px;
}

/* Columna esquerra - Info */
.info-columna h1 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.info-columna h2 {
  font-size: 1.4rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.info-columna p {
  line-height: 1.6;
  margin-bottom: 1rem;
  color: #333;
}

.info-columna ul {
  margin: 1rem 0 1.5rem 0;
  padding-left: 1.5rem;
}

.info-columna li {
  margin-bottom: 0.8rem;
  line-height: 1.5;
}

.destacat {
  background: #f0fffe;
  border-left: 4px solid #14d8ce;
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
}

.destacat p {
  margin: 0;
  font-weight: 500;
}

/* Columna dreta - Formulari */
.form-columna {
  position: sticky;
  top: 2rem;
  align-self: start;
}

.aportacio-card {
  background: #fff;
  border: 2px solid #ddd;
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.aportacio-card h3 {
  font-size: 1.3rem;
  margin-bottom: 1rem;
  text-align: center;
}

/* Periodicitat */
.periodicitat {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.periodicitat label {
  flex: 1;
  text-align: center;
  padding: 0.6rem;
  border: 2px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 0.9rem;
  font-weight: 500;
}

.periodicitat input[type="radio"] {
  display: none;
}

.periodicitat input[type="radio"]:checked + label {
  border-color: #14d8ce;
  background: #f0fffe;
  color: #14d8ce;
}

.periodicitat label:hover {
  border-color: #14d8ce;
}

/* Quantitats */
.quantitats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.quantitats label {
  text-align: center;
  padding: 0.8rem;
  border: 2px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 1rem;
  font-weight: 600;
}

.quantitats input[type="radio"] {
  display: none;
}

.quantitats input[type="radio"]:checked + label {
  border-color: #14d8ce;
  background: #14d8ce;
  color: white;
}

.quantitats label:hover {
  border-color: #14d8ce;
}

/* Altra quantitat */
.altra-quantitat {
  margin-bottom: 1rem;
}

.altra-quantitat input {
  width: 100%;
  padding: 0.7rem;
  font-size: 1rem;
  border: 2px solid #ddd;
  border-radius: 4px;
}

.altra-quantitat input:focus {
  outline: none;
  border-color: #14d8ce;
}

/* Mètodes */
.metodes {
  margin-bottom: 1rem;
}

.metodes select {
  width: 100%;
  padding: 0.7rem;
  font-size: 1rem;
  border: 2px solid #ddd;
  border-radius: 4px;
}

/* Botó */
.aportacio-card .boto_nav {
  width: 100%;
  margin-top: 0.5rem;
}

.nota-seguretat {
  text-align: center;
  color: #666;
  font-size: 0.85rem;
  margin-top: 0.8rem;
}

/* Responsive */
@media (max-width: 900px) {
  .aportacio-inici {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .form-columna {
    position: static;
  }
  
  .quantitats {
    grid-template-columns: repeat(2, 1fr);
  }
}