/* gfsolone.com — ricostruzione statica del tema Björk (Anders Norén) */

@font-face {
	font-family: "Albert Sans";
	font-style: normal;
	font-weight: 100 900;
	font-display: fallback;
	src: url("fonts/AlbertSans-VariableFont_wght.woff2") format("woff2");
}

@font-face {
	font-family: "Albert Sans";
	font-style: italic;
	font-weight: 100 900;
	font-display: fallback;
	src: url("fonts/AlbertSans-Italic-VariableFont_wght.woff2") format("woff2");
}

:root {
	--foreground: #111111;
	--background: #ffffff;
	--tertiary: #e2e2e2;
	--quaternary: #f3f2f2;

	--font-default: "Albert Sans", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
	--font-mono: ui-monospace, Menlo, Consolas, Monaco, "Liberation Mono", "Lucida Console", monospace;

	--fs-tiny: clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.147), 16px);
	--fs-small: clamp(16px, 1rem + ((1vw - 3.2px) * 0.147), 18px);
	--fs-medium: clamp(17px, 1.063rem + ((1vw - 3.2px) * 0.294), 21px);
	--fs-large: clamp(21px, 1.313rem + ((1vw - 3.2px) * 0.221), 24px);
	--fs-h1: clamp(36px, 2.25rem + ((1vw - 3.2px) * 2.059), 64px);
	--fs-h2: clamp(33px, 2.063rem + ((1vw - 3.2px) * 1.691), 56px);
	--fs-h5: clamp(24px, 1.5rem + ((1vw - 3.2px) * 0.588), 32px);
	--fs-h6: clamp(21px, 1.313rem + ((1vw - 3.2px) * 0.441), 27px);

	--gap: min(32px, 6.4vw);
	--gutter: clamp(32px, 5vw, 64px);
	--outer: clamp(32px, 6.666vw, 64px);
	--wide: 1680px;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
	margin: 0;
	padding: var(--gutter);
	background: var(--background);
	color: var(--foreground);
	font-family: var(--font-default);
	font-size: var(--fs-medium);
	font-weight: 500;
	letter-spacing: -0.01em;
	line-height: 1.5em;
	-moz-osx-font-smoothing: grayscale;
	-webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: underline; text-underline-offset: 0.2em; }
a:hover { text-decoration: none; }

img { max-width: 100%; height: auto; display: block; }

p, h1, h2, h6, blockquote, figure, ul, hr { margin: 0; }

p { line-height: 1.5em; }

h1, h2, h6 { font-weight: 600; letter-spacing: -0.03em; }
h1 { font-size: var(--fs-h1); line-height: 1.15; }
h2 { font-size: var(--fs-h2); line-height: 1.15; }
h6 { font-size: var(--fs-h6); line-height: 1; }

.small { font-size: var(--fs-small); }
.credit { font-size: 10px; text-align: right; }

.skip-link {
	position: absolute;
	left: -9999px;
}
.skip-link:focus {
	left: 8px;
	top: 8px;
	z-index: 1000;
	padding: 8px 16px;
	background: var(--background);
}

/* Spaziatura verticale tra blocchi */
.stack > * + * { margin-top: var(--gap); }

/* ------------------------------------------- */
/* Layout: sidebar + contenuto
/* ------------------------------------------- */

.layout {
	display: flex;
	gap: var(--gap);
	max-width: var(--wide);
	margin: 0 auto;
}

.sidebar-col { flex: 0 1 23%; min-width: 0; }
.content-col { flex: 0 1 77%; min-width: 0; }

.sidebar {
	position: sticky;
	top: var(--outer);
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: space-between;
	gap: 2em;
	min-height: calc(100vh - (var(--outer) * 2));
}

.sidebar-logo img {
	width: 150px;
	border-radius: 8px;
	filter: grayscale(1);
}

.sidebar-nav ul {
	list-style: none;
	padding: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 0.25em;
	font-size: var(--fs-large);
}

.sidebar-nav a,
.menu a { text-decoration: none; }
.sidebar-nav a:hover,
.menu a:hover { text-decoration: underline; }

.sidebar-footer { text-align: center; }

.sidebar-footer .site-title {
	font-family: var(--font-mono);
	font-size: var(--fs-large);
	font-weight: 600;
	line-height: 1;
}

.site-title a { text-decoration: none; }
.site-title a:hover { text-decoration: underline; }

.sidebar-footer img { width: 189px; margin: 0 auto; }

.sidebar-footer p:not(.site-title) {
	font-size: 11px;
	line-height: 1.4;
	font-style: italic;
}

/* ------------------------------------------- */
/* Intro
/* ------------------------------------------- */

.intro {
	display: flex;
	align-items: center;
	min-height: 580px;
}

/* Intro con poco testo seguita da altre sezioni: niente altezza minima */
.intro.is-compact { min-height: 0; }

.intro-text > * + * { margin-top: 2rem; }
.intro-text > .tight { margin-top: 12px; }

/* ------------------------------------------- */
/* Separatore "angled" di Björk
/* ------------------------------------------- */

.separator {
	border: none;
	height: 10px;
	width: 100%;
	color: #808080;
	background-image: linear-gradient(-45deg, currentColor 25%, transparent 25%, transparent 50%, currentColor 50%, currentColor 75%, transparent 75%, transparent);
	background-size: 5px 5px;
}
.separator.is-light { color: var(--tertiary); }

/* ------------------------------------------- */
/* Progetti
/* ------------------------------------------- */

.cards {
	display: flex;
	gap: var(--gap);
}

.card {
	flex: 1 1 0;
	min-width: 0;
	background: var(--quaternary);
	overflow-wrap: break-word;
}

.card img {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
}

.card-body {
	padding: min(2em, 32px, 6.4vw);
}

.card-body > * + * { margin-top: 1.5rem; }
.card-body > .tight { margin-top: 12px; }

/* ------------------------------------------- */
/* Solone(.it)
/* ------------------------------------------- */

.solone-body {
	padding-bottom: 5vh;
}

.solone-body > * + * { margin-top: 1em; }

blockquote {
	margin: 0 40px;
	padding-left: 1.5em;
	border-left: 1px solid var(--tertiary);
}

blockquote > * + * { margin-top: var(--gap); }

cite {
	display: block;
	font-style: normal;
	font-size: var(--fs-medium);
}

/* ------------------------------------------- */
/* Contatti
/* ------------------------------------------- */

.contact .tight { margin-top: 8px; }

/* Pagina /sunset/: lista dei tools traslocati */
.tool-links {
	padding-left: 1.25em;
	font-size: var(--fs-medium);
}
.tool-links a { text-decoration: none; }
.tool-links a:hover { text-decoration: underline; }
code { font-family: var(--font-mono); font-size: 0.9em; }

.social-links {
	list-style: none;
	padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: 0.66em;
	font-size: 24px;
}

/* Icone monocromatiche; al passaggio del mouse prendono il colore del marchio */
.social-links li {
	--brand: var(--foreground);
	border-radius: 9999px;
	background: var(--foreground);
	color: #fff;
	transition: transform 0.1s ease, background-color 0.15s ease;
}

.social-links li:hover,
.social-links li:focus-within {
	background: var(--brand);
	transform: scale(1.1);
}

@media (prefers-reduced-motion: reduce) {
	.social-links li { transition: none; }
}

.social-links a {
	display: flex;
	align-items: center;
	padding: 0.25em;
	line-height: 0;
	color: inherit;
	text-decoration: none;
}

.social-links svg { width: 1em; height: 1em; fill: currentColor; }

.social-links .feed      { --brand: #f26522; }
.social-links .x         { --brand: #000; }
.social-links .mastodon  { --brand: #3288d4; }
.social-links .linkedin  { --brand: #0d66c2; }
.social-links .github    { --brand: #24292d; }
.social-links .reddit    { --brand: #ff4500; }
.social-links .instagram { --brand: #f00075; }
.social-links .spotify   { --brand: #1bd760; }
.social-links .telegram  { --brand: #2aabee; }
.social-links .patreon   { --brand: #000; }
.social-links .amazon    { --brand: #f90; }
.social-links .twitch    { --brand: #6440a4; }
.social-links .youtube   { --brand: red; }

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
}

/* ------------------------------------------- */
/* Header mobile + menu
/* ------------------------------------------- */

.site-header {
	display: none;
	justify-content: space-between;
	align-items: center;
	gap: 2em;
	max-width: var(--wide);
	margin: var(--gap) auto 0;
	padding-bottom: clamp(48px, 9vw, 64px);
}

.site-header .site-title {
	margin: 0;
	font-size: var(--fs-h5);
	font-weight: 600;
	line-height: 1.25;
	letter-spacing: -0.03em;
}

.menu-toggle,
.menu-close {
	background: transparent;
	border: none;
	color: currentColor;
	cursor: pointer;
	padding: 0;
}

.menu-toggle svg,
.menu-close svg { display: block; width: 24px; height: 24px; fill: currentColor; }
.menu-toggle svg { transform: scale(1.5, 1.25); }
.menu-close svg { transform: scale(1.25); }

.menu {
	position: fixed;
	inset: 0;
	width: 100%;
	height: 100%;
	max-width: none;
	max-height: none;
	margin: 0;
	border: none;
	padding: clamp(1rem, var(--gutter), 20rem);
	background: var(--background);
	color: var(--foreground);
	overflow: auto;
}

.menu-close {
	position: absolute;
	top: clamp(1rem, var(--gutter), 20rem);
	right: clamp(1rem, var(--gutter), 20rem);
}

.menu ul {
	list-style: none;
	padding: calc(2rem + 24px) 0 0;
	display: flex;
	flex-direction: column;
	gap: 0.25em;
	font-size: var(--fs-large);
}

@media (max-width: 781px) {
	.sidebar-col { display: none; }
	.content-col { flex-basis: 100%; }
	.site-header { display: flex; }
	.cards { flex-direction: column; }
}