:root {
  --primary-color: #648a4c;
  --secondary-color: #ffffff;
  --background-color: #f4f4f4;
  --text-color: #333333;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --border-radius: 12px;
}

/* Formato general */
* {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  vertical-align: baseline;
  box-sizing: border-box;
}

/* Formato del cuerpo */
body {
  margin: 0 auto;
  text-align: center;
  font-family: sans-serif;
}

/* Cabecera y navegación */
.head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  background: rgba(253, 253, 253, 0.5);
  position: fixed;
  top: 0; /* ✅ esta línea es imprescindible */
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 0 10px;
}

.logo-img {
  height: 50px;
  width: auto;
}

/* Botón hamburguesa */
.menu-toggle {
  display: none;
  font-size: 24px;
  color: #58813e;
  cursor: pointer;
  background: none;
  border: none;
  position: relative;
  margin-right: 10px;
}

/* Navegación */
.navbar {
  display: flex;
  gap: 15px;
  padding: 0 15.5px;
}

/* Botón base */
.btn2 {
  min-width: 140px;          /* ✅ Ancho mínimo uniforme */
  height: 50px;       
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 12px 25px;
  border: 2px solid #58813e;
  color: #58813e;
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  text-align: center;
  overflow: hidden;
  transition: all 0.3s ease;
  background-color: transparent;
  z-index: 1;
  border-radius: 10px;
}

.btn2::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff13;
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease-out;
  z-index: -1;
}

.btn2:hover::before {
  transform: scaleY(1);
}

.btn2:hover {
  color: #ffffff;
  background-color: #58813e;
}

.btn2 span {
  position: relative;
  z-index: 2;
}

/* Botón de contacto */
.btn-contact {
  background-color: transparent;
  border: 2px solid #58813e;
  padding: 12px 25px;
  width: auto;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: 0.3s ease;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 10px;
  color: #58813e;
  position: relative;
}

.btn-contact p {
  margin: 0;
  padding: 0;
  line-height: 1;
  color: #58813e;
  position: relative;
  z-index: 2;
  transition: 0.3s ease;
}
.btn-contact svg {
  height: 20px;
  width: 20px;
  fill: #ffffff;
  opacity: 0;
  transition: 0.3s ease;
  position: absolute;
  top: 50%;
  right: 0.5em;
  transform: translateY(-50%);
}
.btn-contact:hover {
  background-color: #1eb856;
  border-color: #1eb856;
}
.btn-contact:hover p {
  color: #fff;
  transform: translateX(-10px);
}
.btn-contact:hover svg {
  opacity: 1;
  transform: translateX(0) translateY(-50%);
}
.navbar .btn2:last-of-type {
  min-width: 50px;     /* Más angosto */
  height: 50px;        /* Igual que los demás */
  padding: 0 12px;     /* Ajuste lateral */
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* --- Ajustes Responsivos --- */
/* Tablets y móviles grandes */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 70px;
    right: 0;
    width: 240px;
    background: white;
    box-shadow: 0px 4px 10px var(--shadow-color);
    border-radius: 12px;
    padding: 20px 10px;
    z-index: 999;
    
    transform: translateX(100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s ease-in-out, opacity 0.3s ease;
  }
  .navbar.active {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
  }
  .navbar a {
    display: block;
    width: 100%;
    text-align: center;
  }
  .menu-toggle {
    display: block;
  }
  .btn2,
  .btn-contact {
    width: 80%;
    max-width: 200px;
    margin: 10px 0;
    font-size: 16px;
    padding: 12px 20px;
    border-radius: 10px;
    justify-content: center;
    position: relative;
    overflow: hidden;
  }
  .btn-contact {
    display: flex;
    align-items: center;
    justify-content: center; /* Texto centrado inicialmente */
    position: relative;
  }
  .btn-contact p {
    margin: 0;
    transition: transform 0.3s ease;
    color: #58813e;
    z-index: 1;
  }
  .btn-contact svg {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    height: 18px;
    width: 18px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
  }
  .btn-contact:hover p,
  .btn-contact:focus p {
    transform: translateX(-10px);
  }
  .btn-contact:hover svg,
  .btn-contact:focus svg {
    opacity: 1;
  }
}

/* Móviles pequeños */
@media (max-width: 480px) {
  .head {
      height: 60px;
      padding: 0 8px;
  }
  .logo-img {
      height: 40px;
  }
  .menu-toggle {
      font-size: 22px;
  }
  .navbar {
      width: 180px;
      right: 5px;
      top: 60px;
  }
  .btn2, .btn-contact {
      font-size: 14px;
      padding: 8px 18px;
  }
  .btn-contact svg {
      height: 18px;
      width: 18px;
  }
}
/* Pantallas muy grandes */
@media (min-width: 1400px) {
  .head {
      padding: 0 30px;
  }
  .btn2, .btn-contact {
      font-size: 20px;
      padding: 14px 30px;
  }
}