/* ===== Variables de color ===== */
:root {
  --blue: #0055a0;
  --yellow: #f4e800;
  --white: #ffffff;
  --gray: #f5f5f5;
  --dark: #333333;
}

/* ===== Cabecera ===== */
.main-header {
  background: var(--white);
  border-bottom: 3px solid var(--yellow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-area img {
  height: 45px;
}

/* ===== Navegación ===== */
.main-nav a {
  margin-left: 1.5rem;
  font-weight: 500;
}

/* ===== Footer ===== */
.main-footer {
  background: var(--dark);
  color: var(--white);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-grid h4 {
  color: var(--yellow);
  margin-bottom: 0.8rem;
}

.copyright {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.85rem;
  opacity: 0.8;
}

/* ===== Grids generales ===== */
.grid-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

/* ===== Items de grid ===== */
.grid-item,
.programs .program,
.additional-areas .area {
  background: var(--gray);
  padding: 1.5rem;
  border-radius: 12px;
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.grid-item:hover,
.programs .program:hover,
.additional-areas .area:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.grid-item img,
.programs .program img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1rem;
}

.grid-item h3,
.programs h3,
.additional-areas .area h3 {
  color: var(--blue);
  margin-bottom: 0.8rem;
}

.grid-item p {
  line-height: 1.6;
  color: var(--dark);
}

/* ===== Botones ===== */
.btn {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  transition: opacity 0.3s ease, transform 0.2s ease;
}

.btn:hover {
  opacity: 0.85;
  transform: translateY(-2px);
}

.btn-phone {
  background: var(--blue);
  color: var(--white);
}
.btn-whatsapp {
  background: #25d366;
  color: var(--white);
}
.btn-facebook {
  background: #1877f2;
  color: var(--white);
}

/* ===== Secciones Nosotros ===== */
.about-hero {
  text-align: center;
  margin: 3rem 0;
}

.about-hero .about-logo {
  max-width: 200px;
  height: auto;
  margin-bottom: 1rem;
}

.about-intro,
.montessori-principles,
.additional-areas {
  margin: 3rem 0;
}

.montessori-principles ul {
  list-style-type: disc;
  margin-left: 2rem;
  line-height: 1.8;
}

/* ===== Contacto ===== */
.contact-cta {
  text-align: center;
  margin: 4rem 0;
}

.contact-cta .contact-buttons {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .about-hero .about-logo {
    max-width: 180px;
  }
  .grid-container {
    gap: 1rem;
  }
  .grid-item,
  .programs .program,
  .additional-areas .area {
    padding: 1rem;
  }
}

/* ===== Contact Map Responsive ===== */
.map-responsive {
  position: relative;
  overflow: hidden;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 ratio */
}

.map-responsive iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 12px;
}

/* ===== Contact Form ===== */
.contact-form form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-form label {
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.contact-form input,
.contact-form textarea {
  padding: 0.8rem 1rem;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  width: 100%;
  box-sizing: border-box;
  transition: border 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  outline: none;
}

.contact-form button {
  width: fit-content;
  align-self: flex-start;
  padding: 0.8rem 1.5rem;
}

/* Hero principal */
/* Hero principal */
.hero {
  color: var(--yellow);
  text-align: center;
  padding: 6rem 2rem;
  position: relative;
  overflow: hidden; /* importante para la capa */
  background-size: cover;
  background-position: center;
}

/* Capa oscura encima del fondo, debajo del contenido */
.hero::before {
  content: "";
  position: absolute;
  inset: 0; /* top:0; right:0; bottom:0; left:0; */
  background: rgba(0, 0, 0, 0.45); /* opacidad ajustable */
  z-index: 1;
}

/* Contenido por encima de la capa */
.hero .hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
}

/* Bloque de introducción */
.intro blockquote {
  font-style: italic;
  color: var(--blue);
  border-left: 4px solid var(--yellow);
  padding-left: 1rem;
  margin: 1.5rem 0;
}

/* Pilares Montessori */
.montessori-pillars h2 {
  margin-bottom: 2rem;
  text-align: center;
}

.montessori-pillars .grid-item img {
  height: 180px;
  object-fit: cover;
  margin-bottom: 1rem;
}

/* Contact CTA */
.contact-cta {
  text-align: center;
  margin: 4rem 0;
}