@import url(sanitize.css);
@import url(typography.css);

:root{
	--white: #eee;
	--grey-light: #ddd;
	--grey: #777;
	--grey-dark: #444;
	--black: #202020;
	--blue: #18478b;
	--blue-light: #2c79e4;
	--blue-dark: #20314a;
}
a{
	text-decoration: none;
	font-weight: bold;
	color: var(--section-link);
}
a:hover{
	text-decoration: underline;
}
hr{
	border: 0;
	width: 25%;
	background-color: var(--hero-button);
	height: 2px;
	margin: 3em 0em 0em 0em;
}
section{
	background-color: var(--section-bg);
	color: var(--section-text);
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	padding: 5vh 5vw;
}
a[name="nosotros"],a[name="informacion"],a[name="nuestros-clientes"],a[name="contacto"]{
	position: absolute;
	margin-top: -4em;
}
ul{
	list-style: none;
	padding: 0;
}
ul li{
	padding: 0.5em;
}
#home{
	background-color: var(--hero-bg);
	background-image: url(../img/hero.jpg);
	background-size: cover;
	background-position: center;
	height: 100vh;
	justify-content: center;
	color: var(--hero-text);
}
#home a{
	margin-top: 2em;
	padding: 1em 1.5em;
	border-radius: 0.5em;
	background-color: var(--hero-button);
	color: var(--hero-text);
	text-decoration: none;
	text-transform: uppercase;
	font-weight: bold;
}
#home a:hover{
	background-color: var(--hero-button-hover);
	transition: 0.3s ease;
}

#about ul{
	padding: 0;
	display: flex;
	gap: 2em;
	width: 100vw;
	padding: 2%;
	flex-wrap: wrap;
	justify-content: center;
}
#about ul li{
	flex-basis: 30%;
	padding: 0 0.5em;
	border-top: 2px solid var(--hero-button);
	border-bottom: 2px solid var(--hero-button);
}
#clients ul{
	padding: 0;
	display: flex;
	gap: 2em;
	width: 100vw;
	padding: 2%;
	flex-wrap: wrap;
	justify-content: center;
}
#clients ul li{
	flex-basis: 30%;
	width: 5em;
	height: 10em;
	color: transparent;

	background-position: center;
	background-size: contain;
	background-repeat: no-repeat;
}
#procivac{background-image: url("../img/clients/procivac.png")}
#eccaciv{background-image: url("../img/clients/eccaciv.png")}
#baxter{background-image: url("../img/clients/baxter.png")}
#degasa{background-image: url("../img/clients/degasa.png")}
#tubocreto{background-image: url("../img/clients/tubocreto.png")}
#huayacan{background-image: url("../img/clients/huayacan.png")}
#lasquintas{background-image: url("../img/clients/lasquintas.png")}
#uquifa{background-image: url("../img/clients/uquifa.png")}
#vallescondido{background-image: url("../img/clients/vallescondido.png")}

footer{
	padding: 5vw;
	text-align: center;
	font-size: smaller;
	color: var(--footer-text);
	background-color: var(--section-bg);
}

/*************************************/

nav {
	position: fixed;
	top: 0;
	width: 100vw;
	display: flex;
 	align-items: center;
 	justify-content: space-between;
 	padding: 0 2vh;
	background-color: var(--nav-bg);
}
.nav-links a {
	color: var(--nav-link);
	text-decoration: none;
	font-weight: bold;
}
.logo{
	background-image: url("../img/consultoragua-logo.png");
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
	font-size: 1.25em;
	color: transparent;
}
.menu {
	display: flex;
 	gap: 1em;
}
.menu li:hover {
	border-radius: 5px;
	transition: 0.3s ease;
	background-color: var(--nav-link-hover);
}
.menu li {
	padding: 5px 14px;
}

/* Nav menu */
input[type=checkbox]{
	display: none;
} 
.hamburger {
	display: none;
 	font-size: 24px;
 	user-select: none;
}

@media (max-width: 768px) {
	.menu { 
		display:none;
	 	position: absolute;
	 	background-color: var(--nav-bg);
	 	top: 4em;
	 	right: 0;
	 	left: 0;
	 	text-align: center;
	 	padding: 1em;
	}
	input[type=checkbox]:checked ~ .menu{
		display: block;
	}
	.hamburger {
		color: var(--nav-link);
		display: block;
	}
	/************************/
	#about ul{
		gap: 0.5em;
	}
	#about ul li{
		flex-basis: 80%;
		border-bottom: 0;
	}
	
	#clients ul li{
		height: 7.5em;
		flex-basis: 25%;
	}
}

@media (prefers-color-scheme: dark){
	:root{
		--nav-bg: var(--blue-dark);
		--nav-link: var(--white);
		--nav-link-hover: var(--blue);
		--hero-text: var(--white);
		--hero-bg: var(--blue-dark);
		--hero-button: var(--blue-light);
		--hero-button-hover: var(--blue);
		--section-bg: var(--black);
		--section-link: var(--blue-light);
		--section-text: var(--white);
		--footer-text: var(--grey);
	}
}
@media (prefers-color-scheme: light){
	:root{
		--nav-bg: var(--blue-dark);
		--nav-link: var(--white);
		--nav-link-hover: var(--blue);
		--hero-text: var(--white);
		--hero-bg: var(--blue-dark);
		--hero-button: var(--blue-light);
		--hero-button-hover: var(--blue);
		--section-bg: var(--white);
		--section-link: var(--blue);
		--section-text: var(--black);
		--footer-text: var(--grey);
	}
}