/* =====================================
   FONT FACE
   ===================================== */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif:ital,wght@0,100..900;1,100..900&display=swap');

/* ======================================
   GENERAL
   ====================================== */
body, html {
	background-color: #FFF;
	margin: 0px;
	padding: 0px;
    font-family: "Noto Serif", serif;
	font-size: 16px;
	font-weight: 400;
	line-height:1.5;
	color:#0A0A0A;
	height:100%;
	}
html { -webkit-text-size-adjust: 100%;	}
img {
	border: 0;
	-ms-interpolation-mode: bicubic;
	vertical-align: middle;
    }
a {	
    color:#0A0A0A;
    text-decoration: none;
    }
strong { font-weight: 700; }
p { padding:0; margin: 0}
* {
    font-family: "Noto Serif", serif;
	margin: 0;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	}
.img-full {
	width:100%;
    height: auto;
    }

/* ======================================
   SECCIONES
   ====================================== */
.main {
	width:1200px;
	padding:0;
	margin:0 auto;
	clear:both;
	}
h1 {
	font-family:"Noto Serif", serif;
	font-size: 50px;
	line-height:1.2;
	margin: 0 0 20px 0;
	padding-bottom:20px;
	text-align:center;
    color: #156062;
	}
h1::after {
    content: '';
    display: block;
    width: 120px; /* Largo */
    height: 2px; /* Grosor */
    background-color: #649898; /* Color */
    margin: 25px auto 0 auto;
    }
h2 {
    display: block;
	font-size: 25px;
	margin:0;
	text-align:center;
	}
h3 {
    display: block;
	font-size: 26px;
	margin:0;
    color: #156062;
	}


/* -- Encabezado ------- */
#top {
	width:100%;
	position:fixed;
	z-index:900;
	/*overflow:auto;*/
	background-color:#FFF;
    box-shadow: 0px 0px 5px 0px rgba(0,0,0,0.4);
	}
#logo {
	float:left;
	padding:15px 0px;
    width: 130px;
	}
#logo img {
    height: 70px;
    width: auto;
	}
#nav {
	float:right;
	padding:35px 0px 0px 0px;
	text-align:left;
	}
#nav .menu {
	float:left;
	display:block;
	}
#nav .menu a {
	float:left;
	display:block;
	padding:0px 15px 0px 15px;
	color:#000;
	font-size:14px;
	}
#nav .menu a:hover {
	color:#156062;
	}
#nav-redes {
	float:right;
	padding: 30px 0px 0px 0px;
	text-align:left;
	}
#nav-redes a {
    float: left;
    display: block;
	margin: 0px 0px 0px 10px !important;
	}
#nav-idiomas {
	float:right;
	padding: 30px 0px 0px 15px;
	text-align:left;
	}
#menucito_back {
	float:right;
	padding:32px 0px 0px 10px;
	text-align:left;
	display: none;
	}

/* Desplegable idiomas ---------------*/
.language-dropdown {
    position: relative;
    display: inline-block;
    z-index: 9999;
    }
.lang-toggle-button {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    user-select: none;
    }
.lang-toggle-button img {
    width: 21px;
    height: 15px;
    }
.lang-menu {
    z-index: 9999;
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
.lang-toggle-input:checked + .lang-toggle-button + .lang-menu {
    display: block;
    z-index: 9999;
    }
.lang-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px;
    text-decoration: none;
    color: black;
    font-size: 14px;
    white-space: nowrap;
    z-index: 9999;
    }
.lang-option img {
    width: 21px;
    height: 15px;
    }

/* CONTENIDOS ============================ */
/* Home ---------------*/
#inicio {
	width:100%;
	padding-top:100px;
	background-color: #156062;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    line-height:1.2;
    overflow-x: hidden;
	}
#foto1 { display: block; }
#foto2 { display: none; }
#inicio .titulo { 
    color:#fff;
    width: 100%;
    position: absolute;
    text-align: center;
    font-size: 50px;
    font-weight: 700;
	}
#inicio .linea-nombre {
    align-items: center;
    text-align: center;
    }
#inicio .linea-nombre span {
    font-size: 25px;
    font-style: italic;
    font-weight: 400;
    white-space: nowrap;
    }
#inicio .linea-nombre::before,
#inicio .linea-nombre::after {
    content: '';
    display: inline-block;
    width: 100px; /* Largo de la línea */
    height: 1px;
    background-color: #FFF;
    margin-bottom: 7px;
    }

#inicio .linea-nombre::before {
    margin-right: 25px;
    }
#inicio .linea-nombre::after {
    margin-left: 25px;
    }


/* STORIA ---------------*/
#storia {
	width:100%;
	padding:50px 0px 150px 0px;
	background-color:#156062;
    color: #fff;
	}
#storia h1 {
    color: #FFF;
	}
#storia .main .txt {
	text-align:center;
	width:80%;
	margin:0 auto;
    font-size: 18px;
	}

/* INTENTO ---------------*/
#intento {
	width:100%;
	padding:100px 0px 50px 0px;
    text-align: center;
    overflow-x: hidden;
	}
#intento .main {
	width:60%;
    font-size: 18px;
	}
#intento .main .destaca {
	color: #156062;
    font-weight: 700;
	}

button.accordion {
	width: 100%;
	background-color:#d9eae9;
    border: none;
	text-align: left;
	padding: 15px 25px 15px 15px;
	font-size: 24px;
	font-weight:700;
	color: #156062;
	cursor: pointer;
	transition: background-color 0.2s linear;
    margin-bottom: 25px;
	}
.accordion .txt {
	width: 88%;
    float: left;
    line-height: 1.2;
	}
button.accordion:after {
	content: url("img/flecha2.png");
	float: right;
	}
button.accordion.is-open:after {
	content:url(img/flecha1.png);
	}
.accordion-content {
    font-size: 18px;
    text-align: left;
	padding: 0px;
	max-height: 0;
	overflow: hidden;
	transition: max-height 0.2s ease-in-out;
	}
#intento .fotos {
    width: 100%;
    padding: 100px 0px;
    overflow: hidden;
    }
#intento .fotos .thumbnail {
    width: 33%;
    float: left;
    }

/* BIOTRANSENERGETICA ---------------*/
#biotransenergetica {
	width:100%;
	padding:50px 0px 80px 0px;
	background-image: url(img/back_bio.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	text-align:center;
	}
#biotransenergetica .txt {
    background-color:#00736b;
    padding: 100px;
	margin:70px auto 0px auto;
    color: #fff;
    line-height: 1.7;
	}


/* CHI SIAMO ---------------*/
#chisiamo {
	width:100%;
	padding:80px 0px;
	}
#chisiamo .main {
	width: 1100px;
	}
#chisiamo a:hover {
	color:#156062;
    text-decoration: underline;
	}

#chisiamo #alejandra {
	width:100%;
	float:left;
    background-color: #d9eae9;
    background-image:url("img/back_alejandra.jpg");
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: center top;
    overflow-x: hidden;
	}
#chisiamo #alejandra .columna2 {
    padding-top: 120px;
    }
#chisiamo #daniel {
	width:100%;
	float:left;
    background-color: #a6cfcb;
    overflow-x: hidden;
	}
#chisiamo #monica {
	width:100%;
	float:left;
    background-color: #d9eae9;
    overflow-x: hidden;
	}
#chisiamo .columna1 {
    float: left;
    width: 45%;
    }
#chisiamo .columna2 {
    float: right;
    width: 55%;
    padding-top: 30px;
    }
#chisiamo .columna3 {
    float: left;
    width: 45%;
    padding-top: 30px;
    }
#chisiamo .profesion {
    color: #156062;
    font-style: italic; 
    }

#chisiamo .location,
#chisiamo .wapp {
    display: block;
    margin: 10px 0px;
    padding: 10px 0px 10px 55px;
    background-image: url("img/icon_location.svg");
    background-repeat: no-repeat;
    background-position: left center;
    background-size: 40px 40px;
    text-align: left;
    }
#chisiamo .wapp {
    background-image: url("img/icon_wapp.svg");
    }


/* FORMAZIONE ---------------*/
#formazione {
	width:100%;
	padding:50px 0px;
	}
#formazione .main {
    display: flex;
    align-items: stretch;
	}
#formazione .main .columna {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: #d9eae9;
    padding: 30px 40px;
    margin: 20px 2% ;
	}
#formazione .foto {
    width: 100%;
    margin-bottom: 15px;
	}
#formazione .titulo {
    width: 100%;
    margin-bottom: 15px;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
	}
#formazione .subtitulo {
    width: 100%;
    margin-bottom: 15px;
    font-size: 20px;
    font-weight: 700;
    color: #156062;
    line-height: normal;
	}
#formazione .masinfo {
    display: inline-block;
    width: 100%;
    background-color: #156062;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    padding: 7px 12px;
	}
#formazione .main .columna p:last-of-type {
    margin-top: auto;
    }

	
/* CONTATTI ---------------*/
#contatti {
	width:100%;
	padding:100px 0px;
    background-color: #f2f2f2;
    background-image:url("img/back_contatti.jpg");
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: center top;
	}
#contatti .main {
    overflow-x: hidden;
	}
#contatti h1 {
    text-align: left;
	}
#contatti h1::after {
    margin: 25px 0 0 0;
    }

#contatti .columna2 a {
	color:#156062;
    font-weight: 700;
	}
#contatti a:hover {
	color:#156062;
    text-decoration: underline;
	}

#contatti .columna1 {
    width: 60%;
    float: left;
    }
#contatti .columna2 {
    width: 40%;
    float: left;
    }

#contatti .contactos {
    width: 100%;
    margin: 10px 0px 30px 0px;
    }
#contatti .contactos .cel {
    float: left;
    padding: 5px 0px 5px 20px;
    font-size: 22px;
    }
#contatti .contactos .nombre,
#contatti .mail,
#contatti .ig,
#contatti .fb {
    width: 260px;
    float: left;
    color:#156062;
    line-height: 1.3;
    display: block;
    padding: 5px 0px 5px 60px;
    background-image: url("img/icon_wapp2.svg");
    background-repeat: no-repeat;
    background-position: left center;
    background-size: 45px 45px;
    border-right: 2px solid #99c7c4;
    }
#contatti .mail {
    width: 100%;
    border-right: none;
    background-image: url("img/icon_mail.svg");
    }
#contatti .ig {
    width: 100%;
    border-right: none;
    padding: 15px 0px 15px 60px;
    background-image: url("img/icon_ig2.svg");
    }
#contatti .fb {
    width: 100%;
    border-right: none;
    padding: 15px 0px 15px 60px;
    background-image: url("img/icon_fb2.svg");
    }
#contatti .seguici {
    width: 100%;
    float: left;
    color:#156062;
    font-size: 22px;
    display: block;
    padding: 15px 0px;
    }

/* COLLABORAZIONI ---------------*/
#collaborazioni {
    width:100%;
	padding:100px 0px;
    background-color: #d9eae9;
    }
#collaborazioni h3 {
	font-size: 32px;
	}
#collaborazioni .columna {
    float: left;
    width:25%;
	padding:30px 0px;
    text-align: center;
    font-size: 13px;
    color: #808080;
    }
#collaborazioni .columna img {
    width:85%;
    height: auto;
    margin: 0 auto;
    display: block;
    margin-bottom: 20px;
    }

/* Copyright ---------------*/
#copy {
	width:100%;
	padding:30px 0px;
	background-color:#156062;
	color:#fff;
	}
#copy .main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    }
#copy #redes {
    display: flex;
    align-items: center;
    gap: 15px;
	}
#copy #redes img {
    width: 50px;
    height: auto;
	}


/* ===============================================================
   ============================================================ */

@media only screen and (min-width : 1024px) and (max-width : 1199px) {
#nav .menu a {
    font-size: 13px;
    padding: 3px 6px 0px 6px;
    }
.main,
#chisiamo .main {
	width:93%;
	}
#intento .main {
    width: 90%;
    }

}


@media only screen and (min-width : 768px) and (max-width : 1023px) {

h1 { font-size: 40px; }
h3 { text-align: center; }
#nav { display:none; }
#menucito_back {
    display:block;
    padding: 35px 0px 0px 20px;
    }
.main,
#chisiamo .main,
#intento .main {
	width:90%;
	}

#inicio .titulo {
    font-size: 35px;
    }
#inicio .linea-nombre span {
    font-size: 20px;
    }
#storia {
    padding: 50px 0px 100px 0px;
    }
#intento .main {
    font-size: 16px;
    }
#intento .fotos {
    padding: 70px 0px;
    }
button.accordion {
    padding: 15px 25px 15px 15px;
    font-size: 20px;
    }
.accordion-content {
    font-size: 16px;
    }
#biotransenergetica .txt {
    padding: 50px;
    margin: 50px auto 0px auto;
    }
#chisiamo {
    padding: 20px 0px;
    }
#chisiamo .columna1,
#chisiamo .columna2,
#chisiamo .columna3 {
    width: 100%;
    }
#chisiamo .columna1 {
    text-align: center;
    }
#chisiamo .columna2 {
    padding-top: 30px;
    }
#chisiamo #alejandra .columna2 {
    padding-top: 20px;
    }
#chisiamo .profesion {
    text-align-last: center;
    }
#formazione .main {
    display: block;
    }
#contatti .columna1,
#contatti .columna2 {
    width: 100%;
    float: left;
    }
#collaborazioni {
    padding: 50px 0px 20px 0px;
    }
#collaborazioni .columna {
    width: 50%
    }
#collaborazioni .columna img {
    width: 60%;
    }

    
    
    
}



@media only screen and (min-width : 481px) and (max-width : 767px) {

h1 { font-size: 24px; }
h2 { font-size: 22px; line-height: 1.3; }
h3 { font-size: 24px; text-align: center; }
#nav { display:none; }
#menucito_back {
    display:block;
    }
.main,
#chisiamo .main,
#intento .main {
	width:90%;
	}
#nav-redes {
    padding: 26px 10px 0px 0px;
    }
#nav-idiomas {
	padding: 27px 10px 0px 0px;
	}
#logo {
    width: 100px;
    }
#logo img {
	height: 55px;
	width:auto;
	}
#inicio {
    padding-top: 85px;
    }
#inicio .titulo {
    font-size: 20px;
    }
#inicio .linea-nombre span {
    font-size: 16px;
    }
#inicio .linea-nombre::before,
#inicio .linea-nombre::after {
    width: 50px;
    }
#storia {
    padding: 20px 0px 70px 0px;
    }
#storia h1 {
    padding-bottom: 0px;  
    }
#storia .main .txt {
    width: 100%;
    font-size: 16px;
    }
#intento {
    padding: 50px 0px 0px 0px;
    }
#intento .main {
    font-size: 16px;
    }
#intento .fotos {
    padding: 50px 0px;
    }
button.accordion {
    padding: 15px 10px 15px 15px;
    font-size: 18px;
    }
button.accordion:after {
    padding-top: 7px;
	}
.accordion-content {
    font-size: 16px;
    }
#biotransenergetica {
    background-size: 80% auto; 
    padding: 50px 0px 30px 0px;
    }    
#biotransenergetica .txt {
    padding: 20px;
    margin: 30px auto 0px auto;
    line-height: 1.5;
    }
#chisiamo {
    padding: 50px 0px;
    }
#chisiamo .columna1,
#chisiamo .columna2,
#chisiamo .columna3 {
    width: 100%;
    }
#chisiamo .columna1 {
    text-align: center;
    }
#chisiamo .columna1 img {
    width: 70%;
    height: auto;
    }
#chisiamo .columna2 {
    padding: 30px 5% 0 5%;
    }
#chisiamo #alejandra .columna2 {
    padding-top: 20px;
    }
#chisiamo .profesion {
    text-align: center;
    font-size: 14px;
    }
#chisiamo .location,
#chisiamo .wapp {
    font-size: 14px;
    }
#formazione .main {
    display: block;
    }
#formazione .main .columna {
    padding: 25px;
    margin: 20px 0%;
    }
#formazione .titulo {
    font-size: 25px;
    }
#formazione .subtitulo,
#formazione .masinfo {
    font-size: 16px;
    }
#contatti {
    padding: 60px 0px;
    }
#contatti .columna1,
#contatti .columna2 {
    width: 100%;
    float: left;
    }
#contatti .contactos {
    margin: 0px 0px 20px 0px;
    }
#contatti .contactos .nombre, 
#contatti .mail,
#contatti .ig,
#contatti .fb {
    width: 215px;
    padding: 5px 0px 5px 50px;
    background-size: 40px 40px;
    }
#contatti .mail {
    width: 100%;
    font-size: 14px;
    }
#contatti .ig,
#contatti .fb {
    display: block;
    padding: 15px 0px 15px 50px;
    }
#contatti .contactos .cel {
    padding: 12px 0px 5px 12px;
    font-size: 16px;
    }
#contatti .seguici {
    font-size: 18px;
    }
#collaborazioni {
    padding: 50px 0px 20px 0px;
    }
#collaborazioni .columna {
    width: 100%;
    padding: 15px 0px;
    }
#collaborazioni .columna img {
    width: 60%;
    margin-bottom: 5px;
    }
#collaborazioni h3 {
    font-size: 24px;
    }
#copy .main {
    justify-content:center;
    font-size: 14px;
    }
#copy #redes {
    display: none;
	}


}


@media only screen and (max-width : 480px) {

h1 { font-size: 24px; }
h2 { font-size: 22px; line-height: 1.3; }
h3 { font-size: 24px; text-align: center; }
#nav { display:none; }
#menucito_back {
    display:block;
    }
.main,
#chisiamo .main,
#intento .main {
	width:90%;
	}
#nav-redes {
    padding: 26px 10px 0px 0px;
    }
#nav-idiomas {
	padding: 27px 10px 0px 0px;
	}
#logo {
    width: 100px;
    }
#logo img {
	height: 55px;
	width:auto;
	}
#foto1 { display: none; }
#foto2 { display: block; }
#inicio {
    padding-top: 85px;
    }
#inicio .titulo {
    font-size: 20px;
    }
#inicio .linea-nombre span {
    font-size: 16px;
    }
#inicio .linea-nombre::before,
#inicio .linea-nombre::after {
    width: 50px;
    }
#storia {
    padding: 20px 0px 70px 0px;
    }
#storia h1 {
    padding-bottom: 0px;  
    }
#storia .main .txt {
    width: 100%;
    font-size: 16px;
    }
#intento {
    padding: 50px 0px 0px 0px;
    }
#intento .main {
    font-size: 16px;
    }
#intento .fotos {
    padding: 50px 0px;
    }
button.accordion {
    padding: 15px 10px 15px 15px;
    font-size: 18px;
    }
button.accordion:after {
    padding-top: 7px;
	}
.accordion-content {
    font-size: 16px;
    }
#biotransenergetica {
    background-size: 80% auto; 
    padding: 50px 0px 30px 0px;
    }    
#biotransenergetica .txt {
    padding: 20px;
    margin: 30px auto 0px auto;
    line-height: 1.5;
    }
#chisiamo {
    padding: 50px 0px;
    }
#chisiamo .columna1,
#chisiamo .columna2,
#chisiamo .columna3 {
    width: 100%;
    }
#chisiamo .columna1 {
    text-align: center;
    }
#chisiamo .columna1 img {
    width: 70%;
    height: auto;
    }
#chisiamo .columna2 {
    padding: 30px 5% 0 5%;
    }
#chisiamo #alejandra .columna2 {
    padding-top: 20px;
    }
#chisiamo .profesion {
    text-align: center;
    font-size: 14px;
    }
#chisiamo .location,
#chisiamo .wapp {
    font-size: 14px;
    }
#formazione .main {
    display: block;
    }
#formazione .main .columna {
    padding: 25px;
    margin: 20px 0%;
    }
#formazione .titulo {
    font-size: 25px;
    }
#formazione .subtitulo,
#formazione .masinfo {
    font-size: 16px;
    }
#contatti {
    padding: 60px 0px;
    }
#contatti .columna1,
#contatti .columna2 {
    width: 100%;
    float: left;
    }
#contatti .contactos {
    margin: 0px 0px 20px 0px;
    }
#contatti .contactos .nombre, 
#contatti .mail,
#contatti .ig,
#contatti .fb {
    width: 215px;
    padding: 5px 0px 5px 50px;
    background-size: 40px 40px;
    }
#contatti .mail {
    width: 100%;
    font-size: 14px;
    }
#contatti .ig,
#contatti .fb {
    display: block;
    padding: 15px 0px 15px 50px;
    }
#contatti .contactos .cel {
    padding: 12px 0px 5px 12px;
    font-size: 16px;
    }
#contatti .seguici {
    font-size: 18px;
    }
#collaborazioni {
    padding: 50px 0px 20px 0px;
    }
#collaborazioni .columna {
    width: 100%;
    padding: 15px 0px;
    }
#collaborazioni .columna img {
    width: 60%;
    margin-bottom: 5px;
    }
#collaborazioni h3 {
    font-size: 24px;
    }
#copy .main {
    justify-content:center;
    font-size: 14px;
    }
#copy #redes {
    display: none;
	}
    
    
    
}