/* RESET GENERAL */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* BODY */
body {
  background: #f5f7fa; /* claro */
  color: #0a2540; /* azul marino */
  padding-top: 80px;
}

/* HEADER */
header {
  background: #2c486a; /* azul marino */
  padding: 15px 30px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background 0.3s, box-shadow 0.3s;
}
header.scrolled {
  background: #081c33;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav h1 {
  color: white;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 15px;
}

nav a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav a:hover {
  color: #4fc3dc; /* celeste */
}
nav ul li a {
  color: rgb(255, 255, 255);
  border-radius: 25px;
  transition: 0.3s;
}

/* SECCIONES */
section {
  padding: 60px 30px;
}

/* INICIO */
#inicio {
  text-align: center;
  color: white;

  padding: 80px 30px;
  min-height: 50vh;

  background-image: linear-gradient(
      rgba(255, 255, 255, 0),
      rgba(255, 255, 255, 0)
    ),
    url('../img/efectoaguabanner.jpg');

  background-size: cover;
  background-position: center 50%;
  background-repeat: no-repeat;

  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
#inicio h2 {
  font-size: 2.2rem;
  margin-bottom: 10px;
}
.contacto-titulo {
  text-align: center;
  margin-bottom: 30px;
}

.contacto-titulo h2 {
  font-size: 32px;
  color: #0a2540;
  margin-bottom: 10px;
  position: relative;
}

/* Línea decorativa debajo del título */
.contacto-titulo h2::after {
  content: "";
  display: block;
  width: 70px;
  height: 4px;
  background: #4fc3dc;
  margin: 10px auto 0;
  border-radius: 2px;
}

.contacto-titulo p {
  color: #555;
  font-size: 16px;
  max-width: 600px;
  margin: 0 auto;
}

/* GALERÍA */
.galeria {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
  margin-top: 20px;
}

.galeria img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}
.galeria-intro {
  text-align: center;
  padding: 50px 20px 30px;
  background: #f2f2f2; /* mismo fondo general */
}

.galeria-intro h2 {
  font-size: 34px;
  color: #0a2540;
  margin-bottom: 12px;
  position: relative;
}

/* Línea decorativa */
.galeria-intro h2::after {
  content: "";
  display: block;
  width: 80px;
  height: 4px;
  background: #4fc3dc;
  margin: 12px auto 0;
  border-radius: 2px;
}

.galeria-intro p {
  font-size: 16px;
  color: #555;
  max-width: 700px;
  margin: 15px auto 0;
  line-height: 1.6;
}


/* CONTACTO */
#contacto {
  background: #e6f7fb; /* celeste claro */
  border-radius: 15px;
}

/* FORMULARIO */
form {
  max-width: 500px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

form input,
form select,
form textarea {
  padding: 12px;
  border-radius: 5px;
  border: 1px solid #ccc;
  font-size: 1rem;
}

form textarea {
  resize: none;
}

/* BOTÓN ENVIAR */
form button {
  padding: 14px;
  background: #4fc3dc; /* celeste */
  color: #0a2540; /* azul marino */
  font-size: 1.1rem;
  font-weight: bold;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s ease;
}

form button:hover {
  background: #0a2540;
  color: white;
}

/*WSP E IG*/
.whatsapp {
  position: fixed;
  bottom: 20px;
  right: 20px;
}

.whatsapp img {
  width: 60px;
  height: 60px;
}
.instagram {
  position: fixed;
  bottom: 75px; 
  right: 20px;
}

.instagram img {
  width: 60px;
  height: 60px;
}
.tooltip {
  position: absolute;
  right: 65px; /* aparece a la izquierda */
  top: 50%;
  transform: translateY(-50%);
  
  background: #0a2540; /* azul marino */
  color: white;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;

  opacity: 0;
  visibility: hidden;
  transition: 0.3s ease;
}
.icono-flotante img {
  width: 60px;
  cursor: pointer;
  transition: filter 0.3s ease, transform 0.3s ease;
}

/* Oscurecer al pasar el cursor */
.icono-flotante:hover img {
  filter: brightness(0.8);
  transform: scale(1.05); /* leve zoom (opcional) */
}

/*////////////////*
/* Flechita */
.tooltip::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: transparent transparent transparent #0a2540;
}

/* Mostrar al pasar el cursor */
.icono-flotante:hover .tooltip {
  opacity: 1;
  visibility: visible;
}


/* GALERÍA EN TARJETAS */
.cards-galeria {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* CARD */
.card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.card h3 {
  color: #0074e7; /* azul marino */
  margin-bottom: 10px;
}

.card p {
  margin-bottom: 20px;
  color: #333;
}

/* IMAGEN */
.card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 20px;
}

/* BOTÓN PROYECTOS */
.btn-proyectos {
  display: inline-block;
  padding: 12px 25px;
  background: #e6f6fa; /* celeste */
  color: #0a2540;
  font-weight: bold;
  text-decoration: none;
  border-radius: 25px;
  transition: 0.3s ease;
}

.btn-proyectos:hover {
  background: #0a2540;
  color: white;
}
.contenedor-btn-proyectos {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-top: 40px;
}


/* LOGO */
.logo {
  height: 60px;
}
@media (max-width: 768px) {
  #inicio {
    min-height: 60vh;
    padding: 80px 20px;
  }
}
#galeria {
  background-color: #a9d6ef; /* celeste tipo agua/piscina */
}


/*SECCIÓN INTRO GALERÍA */

.galeria-intro {
  background: #1f5f96; /* mismo azul del index */
  color: white;
  padding: 60px 40px;
}

.galeria-intro h2 {
  font-size: 36px;
  margin-bottom: 15px;
}

.galeria-intro p {
  max-width: 800px;
  font-size: 18px;
  line-height: 1.6;
}


.galeria-banner {
  background-image: url("../img/efectoaguabanner.jpg"); /*IMAGEN*/
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 300px;

  display: flex;
  align-items: center;
  justify-content: center;
}

/* Capa oscura para legibilidad */
.galeria-banner-overlay {
  background: rgba(10, 37, 64, 0.65); /* azul marino con transparencia */
  padding: 50px 20px;
  text-align: center;
  width: 100%;
}

.galeria-banner-overlay h2 {
  font-size: 36px;
  color: #ffffff;
  margin-bottom: 12px;
}

/* Línea decorativa */
.galeria-banner-overlay h2::after {
  content: "";
  display: block;
  width: 90px;
  height: 4px;
  background: #4fc3dc;
  margin: 12px auto 0;
  border-radius: 2px;
}

.galeria-banner-overlay p {
  color: #e6f6fb;
  font-size: 16px;
  max-width: 750px;
  margin: 15px auto 0;
  line-height: 1.6;
}


/*GALERÍA DE FOTOS*/

.galeria-contenido {
  padding: 60px 10%;
  background-color: #f5f5f5; /* ajusta si usas otro color */
}

.galeria-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr); 
  gap: 20px; /* espacio entre fotos */
}

.galeria-item {
  background: #ffffff;
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.galeria-item img {
  width: 100%;
  height: 230px;
  object-fit: cover; 
  display: block;
}

.galeria-item p {
  padding: 10px;
  font-size: 14px;
  color: #333;
}


/*¿QUIENES SOMOS?*/

.banner-seccion {
  background: url('../img/banner-quienes.jpg') center/cover no-repeat;
  height: 300px;
  position: relative;
}

.banner-overlay {
  background: rgba(10, 37, 64, 0.65);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
}

.contenido-seccion {
  max-width: 1000px;
  margin: 80px auto;
  padding: 0 20px;
}

.contenido-seccion h2 {
  font-size: 2.2rem;
  color: #0a2540;
  margin-bottom: 20px;
}

.bloques-info {
  display: flex;
  gap: 40px;
  max-width: 1000px;
  margin: 60px auto;
  padding: 0 20px;
}

.bloque {
  background: #f4f7fb;
  padding: 40px;
  border-radius: 20px;
  flex: 1;
}

.valores-lista {
  list-style: none;
  padding: 0;
}

.valores-lista li {
  margin-bottom: 12px;
  font-size: 1.1rem;
}

/* ///////CONTENEDOR DE IMAGEN ///////*/
.galeria-item {
  overflow: hidden;
  border-radius: 15px;
  cursor: pointer;
}

/* IMAGEN */
.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease, filter 0.4s ease;
}

/* EFECTO AL PASAR EL CURSOR */
.galeria-item:hover img {
  transform: scale(1.08);
  filter: brightness(0.75);
}
/* FONDO OSCURO */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

/* IMAGEN */
.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 15px;
  box-shadow: 0 0 30px rgba(0,0,0,0.6);
}

/* BOTÓN CERRAR */
.lightbox-cerrar {
  position: absolute;
  top: 30px;
  right: 40px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}