:root {
  --verde: #3c8c5a;
  --celeste: #7ec8e3;
  --amarillo: #ffd166;
  --fondo: #f5f7f4;
  --texto: #222;
  --gris-claro: #e6e6e6;
  --sombra: rgba(0, 0, 0, 0.15);
}

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

html, body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--fondo);
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between; /* separa logo y botón */
  background: #fff;
  border-bottom: 3px solid var(--verde);
  padding: 10px 20px;
  position: sticky;
  top: 0;
  z-index: 20;
}

header .logo img {
  height: 65px;
  width: auto;
}

.menu-toggle {
  display: none;
  font-size: 32px;
  background: none;
  border: 2px solid transparent;
  color: var(--verde);
  cursor: pointer;
  border-radius: 8px;
  padding: 2px 8px;
}

.menu-toggle:hover {
  color: var(--celeste);
}

nav.menu {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px 0;
}

nav.menu a {
  text-decoration: none;
  color: var(--texto);
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 10px;
  border: 2px solid var(--verde);
  background: linear-gradient(135deg, var(--celeste), var(--amarillo));
  transition: all 0.25s ease;
}

nav.menu a:hover,
nav.menu a.activo {
  background: var(--verde);
  color: #fff;
}

main {
  flex: 1;
}

.contacto-section {
  max-width: 1100px;
  margin: 40px auto;
  padding: 0 20px;
}

.intro {
  text-align: center;
  margin-bottom: 40px;
}

.intro h1 {
  font-size: 2.5rem;
  color: #2d7a2c;
}

.info-visual {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
  margin-bottom: 50px;
}

.info {
  flex: 1 1 300px;
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

.info h2 { color: #2d7a2c; margin-bottom: 15px; }

.redes {
  list-style: none;
  margin-top: 10px;
}

.redes li { margin-bottom: 5px; }

.redes a {
  color: #2d7a2c;
  text-decoration: none;
}

.redes a:hover { text-decoration: underline; }

.imagen-lateral {
  flex: 1 1 350px;
  text-align: center;
}

.imagen-lateral img {
  max-width: 100%;
  border-radius: 10px;
}

.formulario, .encuesta {
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
  margin-bottom: 40px;
}

.formulario h2, .encuesta h2 {
  color: #2d7a2c;
  margin-bottom: 20px;
}

form label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
}

form input, form textarea, form select {
  width: 100%;
  padding: 10px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

form button {
  background-color: #2d7a2c;
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 1rem;
}

form button:hover { background-color: #256d25; }

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

footer {
  background: var(--celeste);
  color: #000;
  font-size: 11px;
  text-align: center;
  padding: 20px;
  line-height: 1.4em;
}

@media (min-width: 700px) {
  .contenedor {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contenedor {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 700px) {
  .menu-toggle {
    display: block; 
  }

  nav.menu {
    display: none;
    flex-direction: column;
    background: white;
    border-top: 3px solid var(--verde);
    padding: 15px;
    position: absolute; 
    top: 55px;
    left: 0;
    width: 100%;
    z-index: 10;
  }

  nav.menu.active {
    display: flex;
  }

  nav.menu a {
    font-size: 1.1em;
    margin: 8px 0;
    border-width: 2px;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
  }
}