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

body {
  background: #fff;
  color: #222;
  line-height: 1.6;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: #0a0a0a;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 40px;
  margin-right: 10px;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #00bfa6;
}

/* Dropdown */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #111;
  min-width: 180px;
  border-radius: 5px;
  margin-top: 10px;
}

.dropdown:hover .dropdown-content {
  display: block;
}

.dropdown-content li {
  padding: 10px;
}

.dropdown-content li a {
  color: #ddd;
}

.dropdown-content li a:hover {
  color: #00bfa6;
}

/* Hero section */
.hero {
  height: 90vh;
  background: linear-gradient(to right, #0a0a0a, #1c1c1c);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 2rem;
}

.hero-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 700px;
}

.btn {
  background: #00bfa6;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.btn:hover {
  background: #009e8e;
}

/* Sections */
.section {
  padding: 4rem 2rem;
  text-align: center;
}

.section.alt {
  background: #f5f5f5;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 2rem;
  width: 300px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* Footer */
footer {
  background: #0a0a0a;
  color: #aaa;
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}

footer a {
  color: #00bfa6;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.slide-up {
  opacity: 0;
  transform: translateY(50px);
  transition: all 1s ease;
}

.slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */
.menu-toggle {
  display: none;
  cursor: pointer;
  font-size: 1.5rem;
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background: #111;
    position: absolute;
    top: 60px;
    right: 0;
    width: 200px;
    border-radius: 5px;
  }

  .nav-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .cards {
    flex-direction: column;
    align-items: center;
  }

  .hero-content h1 {
    font-size: 2rem;
  }
}

/* ... (mantén todo lo anterior sin cambios hasta el final) ... */

/* ---------------------------- */
/* FORMULARIO DE CONTACTO */
/* ---------------------------- */
.contact-btn {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #00bfa6;
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 55px;
  height: 55px;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.25);
  transition: transform 0.3s ease, background 0.3s ease;
  z-index: 1500;
}

.contact-btn:hover {
  background-color: #009e8e;
  transform: scale(1.1);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0,0,0,0.6);
  animation: fadeIn 0.4s ease;
}

.modal-content {
  background-color: #fff;
  margin: 10% auto;
  padding: 2rem;
  border-radius: 10px;
  width: 90%;
  max-width: 450px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  animation: slideUp 0.5s ease;
}

.modal-content h2 {
  margin-bottom: 0.5rem;
  color: #0a0a0a;
}

.modal-content p {
  font-size: 0.95rem;
  color: #555;
  margin-bottom: 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem;
  margin: 0.5rem 0 1rem 0;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #00bfa6;
  outline: none;
}

.contact-form textarea {
  height: 120px;
  resize: none;
}

.contact-form button {
  width: 100%;
}

.close {
  color: #999;
  float: right;
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.3s;
}

.close:hover {
  color: #00bfa6;
}

/* Animaciones */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(40px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
/* ---------------------------- */
/* POPUP DE CONFIRMACIÓN */
/* ---------------------------- */
.popup-message {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #0a0a0a;
  color: #fff;
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  transition: all 0.4s ease;
  z-index: 3000;
}

.popup-message.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.popup-message.success {
  background-color: #00bfa6;
}

.popup-message.error {
  background-color: #e63946;
}