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

html {
	-webkit-text-size-adjust: 100%;
	text-size-adjust: 100%;
}

body {
	margin: 0;
	background-color: var(--epia-bg);
	color: var(--epia-text);
	font-family: var(--epia-font-sans);
	font-size: var(--epia-font-size-base);
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	transition: background-color 0.15s ease, color 0.15s ease;
}

img,
picture,
video,
canvas,
svg {
	display: block;
	max-width: 100%;
	height: auto;
}

/* Typography rhythm */
h1, h2, h3, h4, h5, h6 {
	margin: 0 0 0.5em;
	font-weight: 700;
	line-height: 1.2;
	text-wrap: balance;
	color: var(--epia-text);
}

p {
	margin: 0 0 1.25em;
}

a {
	color: var(--epia-primary);
	text-decoration-color: color-mix(in srgb, var(--epia-primary) 40%, transparent);
	text-underline-offset: 0.15em;
}

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

/* Focus visibility for accessibility */
:focus-visible {
	outline: 2px solid var(--epia-primary);
	outline-offset: 2px;
}

/* Cards / surfaces used across archive grids, homepage patterns, blocks */
.epia-card {
	background-color: var(--epia-surface);
	border: 1px solid var(--epia-border);
	border-radius: var(--epia-radius-lg);
	box-shadow: var(--epia-shadow-sm);
	transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.epia-card:hover {
	box-shadow: var(--epia-shadow-md);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	*,
	*::before,
	*::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
		scroll-behavior: auto !important;
	}
}

/* Dark-mode toggle button */
.epia-theme-toggle {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 2.25rem;
	height: 2.25rem;
	border-radius: var(--epia-radius-md);
	border: 1px solid var(--epia-border);
	background-color: var(--epia-surface);
	color: var(--epia-text);
	cursor: pointer;
}

.epia-theme-toggle:hover {
	border-color: var(--epia-primary);
}

.epia-theme-toggle .epia-icon-dark,
[data-theme="dark"] .epia-theme-toggle .epia-icon-light {
	display: none;
}

[data-theme="dark"] .epia-theme-toggle .epia-icon-dark {
	display: block;
}