.btn {
  font-family: 'Segoe UI', Tahoma, sans-serif;
  font-size: 1rem;
  padding: 0.6em 1.2em;
  border: none;
  border-radius: 0.5em;
  cursor: pointer;

  
  /* Degradado inicial */
  background: linear-gradient(135deg, #6E8EF5 0%, #A777E3 100%);
  color: #ffffff;
  /* Sombra sutil para “levantar” el botón */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  /* Animaciones suaves */
  transition: 
    background-position 0.4s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease;
  /* Para que el degradado se anime */
  background-size: 200% 200%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor:pointer;
}
.btn-centered {
  padding: 12px 24px;
  background-color: #007bff;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-size: 16px;
  font-family: sans-serif;
  transition: background-color 0.3s;
  display: inline-block;         /* 👈 Ocupa solo lo necesario */
  text-align: center;
  margin: 0 auto;                /* 👈 Centra dentro del contenedor */
}

.btn-centered:hover {
  background-color: #0056b3;
}

/* VARIABLES Y RESET */
:root {
  --primary-color: #2c3e50;
  --accent-color: #3d9ed6; /* cambiado, anterior: #8DB590;*/
  --text-color: #333;
  --text-light: #fff;
  --transition-speed: 0.3s;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 16px;
  scroll-behavior: smooth;
}
body {
  font-family: 'Work Sans', sans-serif;
  color: var(--text-color);
  line-height: 1.6;
  background-color: #fafafa;
}
img {
  max-width: 100%;
  display: block;
}
a {
  text-decoration: none;
  color: var(--text-color);
}
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--primary-color);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-light);
}
.navbar nav {
  display: flex;
  gap: 1.5rem;
}
.navbar nav a {
  color: var(--text-light);
  font-weight: 500;
  position: relative;
  transition: color var(--transition-speed);
}
.navbar nav a::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width var(--transition-speed);
  position: absolute;
  bottom: -4px;
  left: 0;
}
.navbar nav a:hover,
.navbar nav a.active {
  color: var(--accent-color);
}
.navbar nav a:hover::after,
.navbar nav a.active::after {
  width: 100%;
}

/* HAMBURGER */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}
.hamburger div {
  width: 25px;
  height: 3px;
  background: var(--text-light);
  transition: transform var(--transition-speed);
}

/* MOBILE MENU */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--primary-color);
  position: absolute;
  top: 100%; left: 0;
  width: 100%;
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-speed) ease-in-out;
  z-index: 1000;
}
.mobile-menu a {
  padding: 1rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: var(--text-light);
}
.mobile-menu.show {
  max-height: 400px;
}

/* HERO */
.hero-servicios,
.hero-contacto {
  height: 60vh;
  background: center/cover no-repeat;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-servicios { background-image: url('/img/galeria/galeria-4.webp'); }
.hero-contacto { background-image: url('/img/galeria/galeria-4.webp'); }
.hero-servicios .overlay,
.hero-contacto .overlay {
  background: rgba(0,0,0,0.6);
  padding: 2rem;
  text-align: center;
  color: var(--text-light);
  max-width: 800px;
  border-radius: 8px;
}
.hero-servicios h1,
.hero-contacto h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.hero-servicios p,
.hero-contacto p {
  font-size: 1.125rem;
  margin-bottom: 1.5rem;
}
.hero-servicios .btn,
.hero-contacto .btn {
  background-color: var(--accent-color);
  color: var(--text-light);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border-radius: 4px;
  transition: background-color var(--transition-speed);
}
.hero-servicios .btn:hover,
.hero-contacto .btn:hover {
  background-color: #6fae7f;
}

/* FORMATO SECCIONES */
section {
  padding: 2rem 1rem;
}

/* SERVICIOS y CTA y CONTACTO y FOOTER manteniendo previos estilos... */
/* ... (omitted for brevity) ... */

/* GALERÍA DE PROYECTOS */
.filtros-galeria {
  display: flex;
  justify-content: center;
  gap: 1rem;
  list-style: none;
  padding: 1rem 0;
}
.filtros-galeria li {
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-bottom: 2px solid transparent;
  color: var(--text-color);
  transition: border-color var(--transition-speed), color var(--transition-speed);
}
.filtros-galeria li:hover,
.filtros-galeria li.activo {
  border-color: var(--accent-color);
  color: var(--accent-color);
}
.galeria-proyectos .grid-galeria {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.galeria-proyectos button{display:block;margin:0 auto;}

.item-galeria {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.item-galeria img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform var(--transition-speed);
}
.item-galeria:hover img {
  transform: scale(1.05);
}
.overlay-item {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0,0,0,0.6);
  color: var(--text-light);
  padding: 1rem;
  transform: translateY(100%);
  transition: transform var(--transition-speed);
}
.item-galeria:hover .overlay-item {
  transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .navbar nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .mobile-menu {
    display: flex;
  }
  .grid-galeria {
    grid-template-columns: 1fr;
  }
  .grid-contacto {
    grid-template-columns: 1fr;
  }
}