:root {
	--blue: #0b17a9;
	--red: #f93b0d;
	--green: #1b5f21;
	--brown: #3c3132;
	--focus-ring: #0b17a9;

	--color-text: var(--brown);
	--color-bg: #ffffff;
	--color-accent: var(--blue);
	--color-hover: var(--red);
	--font-serif: 'ebgaramond', serif;
	--font-sans: 'parabolica', sans-serif;

	/* fluid type scale: min at ~320px → max at ~1400px */
	--font-size-base: clamp(1rem, 0.7rem + 1.5vw, 2rem);
	--font-size-display: clamp(1rem, 0.7rem + 1.5vw, 2rem);
	--font-size-accordion: clamp(2rem, 1.1rem + 4.4vw, 5rem);
	--font-size-button: clamp(2rem, 0.6rem + 7vw, 6.75rem);

	/* fluid spacing scale: min at ~320px → max at ~1400px */
	--space-sm: clamp(0.5rem, 0.3rem + 1vw, 1rem);
	--space-md: clamp(1rem, 0.5rem + 2.5vw, 1.5rem);
	--space-xl: clamp(2rem, 0.5rem + 7.5vw, 5rem);
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	background-color: var(--color-bg);
	color: var(--color-text);
	margin: 0;
}

main {
	max-width: 1400px;
	margin: 0 auto;
	padding: var(--space-sm) var(--space-md);
}

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

#hero-logo {
	margin: 2.25rem 0rem;
}

#hero-logo.is-alternate {
	width: min(90%, 65rem);
	display: block;
	margin: 0 auto;
}

/* --------- TYPOGRAPHY --------- */

@font-face {
	font-family: 'ebgaramond';
	src: url('font/EBGaramond-Regular.ttf') format('truetype');
	font-weight: normal;
	font-style: normal;
	text-rendering: optimizeLegibility;
}

.sans {
	font-family: var(--font-sans);
}

.serif {
	font-family: var(--font-serif);
}

.justified {
	text-align: justify;
	text-align-last: justify;
	text-justify: inter-word;
	hyphens: auto;
}

.display {
	font-variant-ligatures: none;
	color: var(--color-text);
	font-size: var(--font-size-display);
	line-height: 1.125em;
	margin: 0;
}

.display-year {
	letter-spacing: -0.01em;
}

.button {
	color: var(--color-text);
	font-size: var(--font-size-button);
	margin: var(--space-xl) 0rem;
	width: 100%;
	display: inline-block;
	font-family: var(--font-sans);
	text-decoration: none;
}

p {
	margin: 0rem;
	font-size: var(--font-size-base);
	line-height: 1.5em;
}

.panel p+p {
	margin-top: var(--space-sm);
}

.numbered-list {
	margin: var(--space-sm) 0 0 0;
	padding: 0;
	list-style-type: decimal;
	list-style-position: inside;
}

.numbered-list li {
	font-family: var(--font-serif);
	font-size: var(--font-size-base);
	line-height: 1.4em;
}

.numbered-list li+li {
	margin-top: calc(var(--space-sm) * 0.4);
}

.numbered-list li::marker {
	color: var(--color-accent);
}

a,
a:visited {
	color: var(--color-text);
	text-decoration: none;
}

i {
	color: var(--color-accent);
	font-style: italic;
}

::selection {
	color: var(--color-text);
}

a:hover {
	color: var(--color-hover);
}

.justified a,
.numbered-list a {
	font-weight: 600;
}

.exhibitor-list a {
	font-weight: inherit;
}

.event-footer {
	margin-top: var(--space-xl);
	color: var(--color-text);
	font-size: var(--font-size-display);
	line-height: 1.125em;
	letter-spacing: -0.01em;
	font-variant-ligatures: none;
}

.skip-link {
	position: absolute;
	left: var(--space-md);
	top: 0;
	transform: translateY(-200%);
	padding: 0.75rem 1rem;
	background: var(--color-bg);
	color: var(--color-text);
	border: 2px solid var(--focus-ring);
	text-decoration: none;
	z-index: 10;
}

.skip-link:focus-visible {
	transform: translateY(0.5rem);
}

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

a:focus-visible,
button:focus-visible {
	outline: 3px solid var(--focus-ring);
	outline-offset: 0.2rem;
}

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

	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
}