:root {
	--text-primary: rgb(24, 24, 24);
	--text-secondary: #FFFFFF;

	--card-bg: #FFFFFF;
	--card-title: rgb(24, 24, 24);
	--card-text: rgb(92, 93, 97);
	--card-hover: rgba(0, 0, 0, 0.2);

	--main-btn-primary: rgb(24, 24, 24);
	--main-btn-secundary: #FFFFFF;

	--translate-btn-primary: #58A6FF;
	--translate-btn-secundary: #FFFFFF;
	--translate-btn-hover: #4080c9;

	--demo-btn-primary: rgb(128, 0, 128);
	--demo-btn-secundary: rgb(242, 202, 242);
	--demo-btn-tertiary: #FFFFFF;

	--tuto-btn-primary: rgb(0, 128, 0);
	--tuto-btn-secundary: rgb(189, 223, 189);
	--tuto-btn-tertiary: #FFFFFF;

	--manual-btn-primary: rgb(255, 165, 0);
	--manual-btn-secundary: rgb(225, 219, 208);
	--manual-btn-tertiary: #FFFFFF;

	--footer-primary: rgb(24, 24, 24);
	--footer-secundary: rgb(136, 138, 142);
}

body {
	padding: 1rem;
	font-family: -apple-system, BlinkMacSystemFont, "Arial", sans-serif;
	background-image: url("images/background.png");
}

p {
	color: var(--text_primary);
	font-size: 15px;
	margin-bottom: 10px;
	margin-top: 5px;
	text-align: justify;
	line-height: 1.7;
}

button {
	border: 0;
	border-radius: 0.25rem;
	font-size: 1rem;
	line-height: 1.2;
	padding: 0.25rem 0.5rem;
	margin: 0.25rem;
	cursor: pointer;
}

a.button {
	display: block;
	border: 0;
	border-radius: 0.25rem;
	font-size: 1rem;
	line-height: 1.2;
	padding: 0.25rem 0.5rem;
	margin: 0.25rem;
	cursor: pointer;
	text-decoration: none;
	text-align: center;
	color: var(--main-btn-primary);
}

header#head-flex-container {
	margin-bottom: 2rem;
	display: flex;
	flex-direction: row;
	flex-wrap: wrap-reverse;
	justify-content: space-between;
	align-items: flex-end;
	gap: 1rem;
}

#title-container {
	flex-grow: 3;
}

#name {
	color: var(--text-primary);
	margin: 0;
	font-size: 42px;
}

#subname {
	margin: 0;
	color: var(--text-secondary);
	font-size: 18px;
}

#description-container > a.button#tutorial {
	max-width: 400px;
	align-items: center;
}

section#cards-container {
	padding: 0.5rem 0;
}

.card {
	min-width: 230px;
	margin: 1rem auto;
	padding: 16px;
	border: 1px solid var(--card-bg);
	background-color: var(--card-bg);
	transition: transform .5s, box-shadow 1s;
}

.card:hover {
	transform: scale(1.02) perspective(0px);
	box-shadow: 0 10px 10px var(--card-hover);
}

.card h3 {
	color: var(--card-title);
	margin: 0.25rem;
}

.card p {
	color: var(--card-text);
}

.card-description-flex-container {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: space-between;
	align-items: flex-start;
	column-gap: 20px;
	min-width: 100%;
}

.card-description-flex-container p:first-child {
	flex: 2 1 780px;
}

.card-description-flex-container div:nth-child(2) {
	flex: 55 1 0;
}

.card-description-flex-container > p {
	display: block;
	text-align: justify;
}

.buttons-flex-container {
	display: flex;
	flex-direction: column;
	gap: 7px 5px;
	flex: 1;
    max-width: 500px;
}

.divided-buttons-flex-container {
	display: flex;
	flex-direction: row;
	gap: 0 5px;
}

.divided-buttons-flex-container > .button {
	flex: 1;
}

footer > p {
	color: var(--footer-secundary);
	font-size: 10px;
}

footer > section#image-flex-container {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: center;
	align-items: flex-start;
	gap: 20px 5rem;
	margin-bottom: 2rem;
}

section#image-flex-container h4 {
	color: var(--footer-primary);
	margin: 10px 0 0 0;
}

#main-buttons-flex-container {
	order: 1;
	min-width: 260px;
	padding-top: 3px;
	display: flex;
	flex-direction: column;
	flex-wrap: wrap;
	gap: 0.7rem;
}

#main-buttons-flex-container > .button {
	min-width: 230px;
	margin: 0;
}

#organization-container { 
	order: 2;
	display: flex;
	flex-direction: column;
	gap: 0.25rem 0;
}

#sponsors-container { 
	order: 3;
	display: flex;
	flex-direction: column;
	gap: 0.25rem 0;
}

#our-pages-flex-container {
	order: 4;
	min-width: 260px;
	display: flex;
	flex-direction: column;
	flex-wrap: nowrap;
	gap: 0.5rem;
}

#our-pages-flex-container a {
	text-decoration: none;
	color: var(--footer-primary);
}

.banner {
	max-width: 25rem;
	transition: transform .5s, box-shadow 1s;
	background-color: var(--card-bg);
}

.banner:hover {
	transform: scale(1.02) perspective(0px);
	box-shadow: 0 10px 10px var(--card-hover);
} 

#sponsors-container img {
	width: 20rem;
}

#our-pages-flex-container img {
	vertical-align:middle;
	width: 2.5rem;
	margin-right: 5px;
}

/* Buttons Styling */

.disabled {
	pointer-events: none;
	cursor: default;
}

button#translate {
	padding: 0.5rem 0.75rem;
	margin: 5px 0 0 0;
	background-color: var(--translate-btn-primary);
	color: var(--translate-btn-secundary);
	transition: background-color 0.6s;
}

button#translate:hover {
	background-color: var(--translate-btn-hover);
}

button#translate > img {
	vertical-align:bottom;
	width: 20px;
}

#main-buttons-flex-container > .button {
	padding: 0.5rem 0.75rem;
}

#main-buttons-flex-container > .button:hover, 
a.button#tutorial:hover {
	box-shadow: -7px -7px 20px 0px #fff9,
				-4px -4px 5px 0px #fff9,
				7px 7px 20px 0px #0002,
				4px 4px 5px 0px #0001;
}


#main-buttons-flex-container > .button#hf {
	border-radius: 0;
	background-color: var(--main-btn-primary);
	border: 1px solid var(--main-btn-primary);
	color: var(--main-btn-secundary);
	transition: 0.4s;
}

#main-buttons-flex-container > .button#ccad {
	border-radius: 0;
	background-color: var(--main-btn-primary);
	border: 1px solid var(--main-btn-primary);
	color: var(--main-btn-secundary);
	transition: 0.4s;
}

#main-buttons-flex-container > .button#hf:hover,
#main-buttons-flex-container > .button#ccad:hover {
	background: var(--main-btn-secundary);
	color: var(--main-btn-primary);
	border: none;
}

a.button#tutorial {
	border-radius: 0;
	background-color: var(--main-btn-secundary);
	border: 1px solid var(--main-btn-primary);
	transition: 0.4s;
}

.buttons-flex-container .button.demo {
	border-radius: 0;
	background: linear-gradient(45deg, var(--demo-btn-primary) 0%, var(--demo-btn-secundary) 60%, var(--demo-btn-tertiary) 100%);
	background-size: 200% 200%;
    background-position: right bottom;
	transition: 0.5s;
	color: var(--main-btn-primary);
}

.buttons-flex-container .button.demo:hover {
	background-position: left bottom;
	color: var(--main-btn-secundary);
}

.buttons-flex-container .button.tuto {
	border-radius: 0;
	background: linear-gradient(45deg, var(--tuto-btn-primary) 0%, var(--tuto-btn-secundary) 60%, var(--tuto-btn-tertiary) 100%);
	background-size: 200% 200%;
    background-position: right bottom;
	transition: 0.5s;
	color: var(--main-btn-primary);
}

.buttons-flex-container .button.tuto:hover {
	background-position: left bottom;
	color: var(--main-btn-secundary);
}

.buttons-flex-container .button.manual {
	border-radius: 0;
	background: linear-gradient(45deg, var(--manual-btn-primary) 0%,var(--manual-btn-secundary) 60%, var(--manual-btn-tertiary) 100%);
	background-size: 200% 200%;
    background-position: right bottom;
	transition: 0.5s;
	color: var(--main-btn-primary);
}

.buttons-flex-container .button.manual:hover {
	background-position: left bottom;
	color: var(--main-btn-secundary);
}

/* Media queries */

@media only screen and (max-width: 769px) {

	#description-container > a.button#tutorial {
		margin: 1rem auto;
	}

	.banner {
		max-width: 260px;
	}

    button#translate  {
        width: 100%;
    }
	
	#main-buttons-flex-container {
		order: 1;
	}

	#organization-container { 
		order: 3;
	}

	#sponsors-container { 
		order: 4;
	}

	#our-pages-flex-container {
		order: 2;
	}
}