* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

body {
  background: white;
  color: black;
}

/* Header */
.hero {
  background: linear-gradient(135deg, #000000, #ff0000); /* negro a rojo */
  color: white;
  text-align: center;
  padding: 100px 20px;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 15px;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

/* Secciones */
.servicios, .portafolio, .contacto, .testimonios {
  padding: 60px 20px;
  text-align: center;
}

/* Cards adaptables */
.cards, .slider-testimonios {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.card, .card-testimonio {
  display: inline-block;
  border: 2px solid #ff0000;
  padding: 15px 20px;
  border-radius: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  min-width: 150px;
  max-width: 300px;
  text-align: center;
  white-space: normal;
}

.card img {
  width: 100%;
  border-radius: 8px;
}

.card:hover, .card-testimonio:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

/* Slider manual testimonios */
.slider-testimonios {
  overflow-x: auto;
  gap: 20px;
  padding-bottom: 10px;
  scroll-snap-type: x mandatory;
}

.slider-testimonios::-webkit-scrollbar {
  height: 8px;
}

.slider-testimonios::-webkit-scrollbar-thumb {
  background: #ff0000;
  border-radius: 4px;
}

.card-testimonio {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.card-testimonio p {
  font-style: italic;
  margin-bottom: 15px;
}

.card-testimonio h4 {
  font-weight: bold;
}

.estrellas {
  color: gold;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

/* Formulario contacto */
.contacto form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  margin-top: 20px;
}

.contacto input, .contacto textarea {
  padding: 10px;
  width: 300px;
  border: 2px solid #ff0000;
  border-radius: 5px;
}

.contacto textarea {
  height: 120px;
  resize: none;
}

.contacto button {
  padding: 10px 20px;
  border: none;
  border-radius: 5px;
  background: #ff0000;
  color: white;
  font-weight: bold;
  cursor: pointer;
}

.contacto button:hover {
  background: #cc0000;
}

/* Red social fija */
.redsocial {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #000000;
  color: white;
  padding: 15px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 18px;
}

/* Footer */
footer {
  background: #000000;
  color: white;
  text-align: center;
  padding: 15px;
}

/* Responsive */
@media (max-width: 600px) {
  .cards, .slider-testimonios {
    flex-direction: column;
    align-items: center;
  }

  .contacto input, .contacto textarea {
    width: 90%;
  }
}