:root {
  --alquimia-azul: #1b365d; /* Azul Profundo */
  --alquimia-naranja: #ff6b35; /* Naranja Vibrante */
  --alquimia-oro: #ffd700; /* Oro ALQUÍMICAMENTE */
  --alquimia-beige: #f5f1eb; /* Beige Cálido */
  --alquimia-gris: #2c3e50; /* Gris Carbón */
  --alquimia-blanco: #ffffff; /* Blanco Puro */
}

.custom-header-gradient {
  background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d) !important;
  color: white;
  padding: 12px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
  background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
  color: white;
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

body {
  background-color: var(--alquimia-beige);
  font-family: "Open Sans", sans-serif;
  color: var(--alquimia-gris);
}

.hero {
  background: linear-gradient(
    to right,
    var(--alquimia-azul),
    var(--alquimia-naranja)
  );
  color: var(--alquimia-blanco);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  min-height: 500px;
}

h1,
.display-4 {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  font-size: 2.5rem;
  color: var(--alquimia-oro);
}

h2,
.display-5 {
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 2rem;
  color: var(--alquimia-azul);
}

h3 {
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--alquimia-azul);
}

p,
ul {
  font-family: "Open Sans", sans-serif;
  font-weight: 400;
  font-size: 1rem;
}

.btn-alquimia {
  background-color: var(--alquimia-oro);
  color: #000;
  border: none;
  padding: 0.75rem 1.5rem;
  transition: transform 0.3s ease;
}

.btn-alquimia:hover {
  transform: scale(1.05);
  background-color: #e6c200;
}

.parallax-section {
  background-image: url("../img/fondo-alquimia.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 400px;
  padding: 5rem 0;
  color: var(--alquimia-blanco);
  position: relative;
}

.parallax-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
}

.parallax-section .container {
  position: relative;
}

.bg-alquimia-beige {
  background-color: var(--alquimia-beige);
}

.bg-alquimia-azul {
  background-color: var(--alquimia-azul);
}

.text-alquimia-azul {
  color: var(--alquimia-azul);
}
.text-alquimia-oro {
  color: var(--alquimia-oro);
}
.text-alquimia-gris {
  color: var(--alquimia-gris);
}

.founder-card {
  transition: transform 0.3s, box-shadow 0.3s;
}
.founder-card:hover {
  transform: translateY(-10px) scale(1.04);
  box-shadow: 0 8px 32px rgba(218, 165, 32, 0.18);
}

@media (max-width: 768px) {
  .parallax-section {
    background-attachment: scroll;
  }
  h1,
  .display-4 {
    font-size: 2rem;
  }
  h2,
  .display-5 {
    font-size: 1.5rem;
  }
}