@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans&display=swap');

/* RESET */

*, *::after, *::before {
	margin: 0;
	padding: 0;
	box-sizing: border-box;
}

/* FORCE INHERIT (for elements that don't) */

input, textarea, button {
	font: inherit;
}



/* VARIABLES */

:root {
	/* FONTS */
	--FONT-DEFAULT: 'Nunito Sans', sans-serif;
	--FONT-SIZE-STD: clamp(0.7rem, 3vw, 1.2rem);
	--FONT-SIZE-BIG: clamp(2.1rem, 3vw, 2.5rem);
	--FONT-SIZE-SMALL: clamp(0.5rem, 3vw, 0.8rem);
	--FONT-SIZE-SMALLEST: clamp(0.4rem, 3vw, 0.6rem);

	/* COLORS */
	--PALETTE-BLACK: #272727;
	--PALETTE-GREEN: #A7CAB1;
	--PALETTE-WHITE: #F7F9F9;
	--PALETTE-BLUE: #3E6F8E;
	--PALETTE-RED: #AD343E;
	--PALETTE-GREY: #E8E8E8;
	--FONT-COLOR-DEFAULT: var(--PALETTE-BLACK);

	/* MARGIN */
	--HEADER-HEIGHT-PADDING: 160px;
	/* ^ Hand picked */
	--MARGIN-STD: 10px;
	--IMAGE-MARGIN-STD: 30px;

	/* PADDING */
	--PADDING-STD: 0.8rem;
	--PARAGRAPH-PADDING-STD: 1rem;
	--BUTTON-PADDING-STD: 0.35em;

	/* BORDERS */
	--BORDER-STD: 2px solid;
	--BORDER-THICK: 4px solid;
	--BORDER-RADIUS-STD: 4px;

	/* SHADOWS */
	--BOX-SHADOW-STD: 0px 5px 10px -2px var(--PALETTE-BLACK);
	--TEXT-SHADOW-STD: var(--PALETTE-BLACK) 4px 4px 6px;

	/* TRANSITIONS */
	--TRANSITION-COLORS-STD: color, background-color 0.2s;
}



/* UTILITY CLASSES */

.offscreen {
	position: absolute;
	left: -10000px;
}

.centered {
	text-align: center;
}

.nowrap {
	white-space: nowrap;
}

.floating-left {
	float: left;
	max-width: 100%;
	height: auto;
	margin: var(--IMAGE-MARGIN-STD);
}

.floating-right {
	float: right;
	max-width: 100%;
	height: auto;
	margin: var(--IMAGE-MARGIN-STD);
}

.circle {
	border-radius: 50%;
}

#at-position::before {
	content: '@';
}

#insert-82::before {
	content: '82';
}



/* GENERAL */

html {
	scroll-behavior: smooth;
	font-size: var(--FONT-SIZE-STD);
	font-family: var(--FONT-DEFAULT);
	height: 100%;
	min-width: 250px;
	/* ^ Hand picked to not wrap header contacts */
	scroll-padding-top: var(--HEADER-HEIGHT-PADDING);
}

body {
	display: flex;
	flex-direction: column;
	justify-content: stretch;
	margin: 0 auto;
	min-width: 200px;
	width: 90%;
	min-height: 100%;
	background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.3) 40%, rgba(0, 0, 0, 0.3) 60%, rgba(0, 0, 0, 0.6)), url(../img/TEMP-rock-texture-1920x1440.jpg);
	background-attachment: fixed, scroll;
	color: var(--FONT-COLOR-DEFAULT);
}

p {
	line-height: 1.5;
	/* REFACTOR: make img + p a flexbox? */
}

a:any-link {
	text-decoration: none;
	color: var(--PALETTE-BLUE);
}

img {
	display: block;
	max-width: 100%;
	height: auto;
	border-radius: var(--BORDER-RADIUS-STD);
	box-shadow: var(--BOX-SHADOW-STD);
}

ul {
	list-style-position: inside;
}



/* HEADER */

header {
	position: sticky;
	top: 0;
	z-index: 1;
	background-color: var(--PALETTE-WHITE);
	border-radius: var(--BORDER-RADIUS-STD);
	box-shadow: var(--BOX-SHADOW-STD);
}

.top-contacts, .top-contacts a:any-link {
	color: var(--PALETTE-WHITE);
	background-color: var(--PALETTE-BLUE);
	text-align: right;
	font-size: var(--FONT-SIZE-SMALL);
	padding: var(--BUTTON-PADDING-STD);
}

header h1 {
	padding: var(--PADDING-STD);
	color: var(--PALETTE-BLUE);
	font-size: clamp(1rem, 5vw, 2.5rem);
}

header nav ul {
	display: flex;
	justify-content: space-around;
	list-style: none;
}

.nav-element {
	width: 25%;
	text-align: center;
	text-transform: uppercase;
	border-left: var(--BORDER-STD) var(--PALETTE-WHITE);
}

.nav-element a:any-link {
	display: block;
	padding: var(--BUTTON-PADDING-STD);
	font-size: clamp(0.4rem, 3vw, 1rem);
	background-color: var(--PALETTE-RED);
	color: var(--PALETTE-WHITE);
	transition: var(--TRANSITION-COLORS-STD);
}

.nav-element:first-child {
	border-left: none;
}

.nav-element:first-child a {
	border-radius: 0 0 0 var(--BORDER-RADIUS-STD);
}

.nav-element:last-child a {
	border-radius: 0 0 var(--BORDER-RADIUS-STD) 0;
}

.nav-element a:hover {
	background-color: var(--PALETTE-WHITE);
	color: var(--PALETTE-RED);
	font-weight: bold;
}

/* FIX? It only overrides because of order - increase specificity? */
/* 
.nav-element__current a:any-link {
	background-color: var(--PALETTE-WHITE);
	color: var(--PALETTE-RED);
	font-weight: bold;
}
 */



/* BANNER */

.banner {
	color: var(--PALETTE-WHITE);
	text-shadow: var(--TEXT-SHADOW-STD);
	padding: 40px 0 10px 0;
}

.banner h1 {
	font-size: var(--FONT-SIZE-BIG);
}

.banner :is(h1, h2, h3, h4) {
	margin: var(--MARGIN-STD) 0;
}



/* MAIN */

main {
	flex-grow: 1;
	margin: 20px 0;
}

main article {
	clear: both;
	border-radius: var(--BORDER-RADIUS-STD);
	background-color: var(--PALETTE-WHITE);
	box-shadow: var(--BOX-SHADOW-STD);
}

main p {
	padding: var(--PARAGRAPH-PADDING-STD);
	text-align: justify;
}



/* FOOTER */
/* 
footer {
	position: sticky;
	bottom: 0;
}
 */

footer .footer-contatti:first-child,
footer .torna-su:first-child {
	border-radius: var(--BORDER-RADIUS-STD) var(--BORDER-RADIUS-STD) 0 0;
}

.torna-su:any-link {
	display: block;
	text-align: center;
	padding: var(--BUTTON-PADDING-STD);
	background-color: var(--PALETTE-GREEN);
	color: var(--FONT-COLOR-DEFAULT);
	text-transform: uppercase;
	font-size: var(--FONT-SIZE-SMALL);
	transition: var(--TRANSITION-COLORS-STD);
	font-weight: bold;
}

/* FIX: tapping leaves "hover" colors */
/* 
.torna-su:hover {
	font-weight: bold;
}
 */

.footer-contatti {
	padding: var(--PADDING-STD);
	background-color: var(--PALETTE-WHITE);
	font-size: calc(var(--FONT-SIZE-SMALL) + 0.1rem);
}

.copyright {
	background-color: var(--PALETTE-BLACK);
	color: var(--PALETTE-WHITE);
	padding: var(--BUTTON-PADDING-STD);
	font-size: var(--FONT-SIZE-SMALLEST);
}

.copyright a:any-link {
	color: var(--PALETTE-WHITE);
	font-weight: bold;
}



/* HOME */

/* TODO: home banner formatting */



.home__lavori {
	display: flex;
	flex-direction: column;
	align-items: center;
}

.home__lavori a:any-link {
	display: contents;
	color: var(--FONT-COLOR-DEFAULT);
}

.list-card {
	display: flex;
	justify-content: left;
	width: 70%;
	background-color: var(--PALETTE-GREY);
	margin-bottom: var(--PARAGRAPH-PADDING-STD);
	border-radius: 100px var(--BORDER-RADIUS-STD) var(--BORDER-RADIUS-STD) 100px / 50% var(--BORDER-RADIUS-STD) var(--BORDER-RADIUS-STD) 50%;
	max-height: calc(150px + (var(--MARGIN-STD) + var(--BORDER-THICK)) * 2);
	overflow: hidden;
}

.list-card img {
	border: var(--BORDER-THICK) var(--PALETTE-RED);
	margin: var(--MARGIN-STD);
}

.list-card h3 {
	color: var(--PALETTE-RED);
	text-transform: uppercase;
	font-size: 1rem;
	margin: var(--PARAGRAPH-PADDING-STD) var(--PARAGRAPH-PADDING-STD) 0 var(--PARAGRAPH-PADDING-STD);
}

.list-card__text {
	position: relative;
}

/* Paragraph fade effect */
.list-card p:before {
	content: '';
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: linear-gradient(to bottom, transparent 2em, var(--PALETTE-GREY) 8em);
}



/* SU DI ME */

.su-di-me {
	/* Temporary solution to img overflowing */
	min-height: calc(510px + var(--IMAGE-MARGIN-STD) * 2);
}

/* TODO: responsive layout */



/* LAVORI */

.flex-card__container {
	display: flex;
	flex-direction: row;
	flex-wrap: wrap;
	justify-content: center;
	align-items: flex-start;
	gap: 6%;
	row-gap: 60px;
}

.flex-card {
	width: 41%;
	border-top: 6px solid var(--PALETTE-RED);
}

.flex-card h2 {
	margin: var(--IMAGE-MARGIN-STD) var(--IMAGE-MARGIN-STD) 0 var(--PARAGRAPH-PADDING-STD);
	font-size: clamp(1.2rem, 2vw, 1.4rem);
}

.flex-card summary {
	cursor: pointer;
	list-style: none;
	padding: var(--BUTTON-PADDING-STD);
	border-radius: 0 0 var(--BORDER-RADIUS-STD) var(--BORDER-RADIUS-STD);
	background-color: var(--PALETTE-GREEN);
	font-weight: bold;
}

.flex-card details {
	border-radius: 0 0 var(--BORDER-RADIUS-STD) var(--BORDER-RADIUS-STD);
	background-color: var(--PALETTE-GREY);
	clear: both;
}

.flex-card ul {
	padding: var(--PARAGRAPH-PADDING-STD);
	padding-bottom: 0;
}

.flex-card ul li {
	padding-bottom: var(--PARAGRAPH-PADDING-STD);
	text-align: justify;
}

.flex-card details[open] ul {
	animation-name: growFontSize, fadeIn;
	animation-duration: 100ms, 500ms;
}

@keyframes growFontSize {
	0% {
		font-size: 0;
	}

	40% {
		font-size: 0.9em;
	}

	100% {
		font-size: 1em;
	}
}

@keyframes fadeIn {
	0% {
		opacity: 0;
	}

	100% {
		opacity: 1;
	}
}



/* CONTATTI */

address {
	padding: var(--PARAGRAPH-PADDING-STD);
}



/* RESPONSIVENESS */

/* Medium width */
@media screen and (max-width: 1200px) {

	/* One-per-row view */
	.flex-card {
		width: 82%;
	}

	.list-card {
		width: 90%;
	}
}

/* Mobile width */
@media screen and (max-width: 560px) {

	/* HEADER */
	header h1 {
		text-align: center;
	}

	/* HOME */
	.list-card {
		flex-wrap: wrap;
		justify-content: center;
		text-align: center;
		border-radius: var(--BORDER-RADIUS-STD);
		max-height: calc(150px + (var(--MARGIN-STD) + var(--BORDER-THICK)) * 2 + 10em);
	}

	/* SU DI ME */
	.su-di-me {
		float: none;
		display: flex;
		flex-direction: column;
		justify-content: center;
	}

	/* SERVIZI */
	.flex-card .floating-left,
	.flex-card .floating-right {
		float: none;
		display: flex;
		justify-content: center;
	}

	.flex-card :is(h1, h2, h3, h4) {
		text-align: center;
		/* FIX? apparently h2 margin doesn't matter since img has one */
	}
}