/* ==========================================================================
   Base element styles + reset. Mobile-first.
   ========================================================================== */

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

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

body {
	margin: 0;
	min-height: 100vh;
	background-color: var(--color-bg);
	color: var(--color-text);
	font-family: var(--font-mono);
	font-size: var(--font-size-md);
	font-weight: var(--font-weight-regular);
	line-height: var(--line-height-base);
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
	margin: 0;
	font-weight: var(--font-weight-bold);
	line-height: var(--line-height-tight);
}

p {
	margin: 0;
}

ul, ol {
	margin: 0;
	padding: 0;
	list-style: none;
}

a {
	color: var(--color-accent-secondary);
	text-decoration: none;
	transition: color var(--transition-fast);
}

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

code, pre, kbd {
	font-family: var(--font-mono);
}

button {
	font-family: inherit;
	font-size: inherit;
	color: inherit;
	background: none;
	border: none;
	cursor: pointer;
}

:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
	border-radius: var(--radius-sm);
}

::selection {
	background-color: rgba(74, 222, 128, 0.3);
	color: var(--color-text);
}

/* Page-level horizontal scroll is forbidden — wide content scrolls inside its box. */
html, body {
	overflow-x: hidden;
}

/* Ensure the [hidden] attribute wins over layout utilities (e.g. u-flex). */
[hidden] {
	display: none !important;
}

main {
	display: block;
}

/* --- scroll-reveal (disabled under reduced motion) --- */
[data-reveal] {
	opacity: 0;
	transform: translateY(12px);
	transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-reveal].is-revealed {
	opacity: 1;
	transform: none;
}

/* --- blinking cursor --- */
.cursor {
	display: inline-block;
	width: 0.6ch;
	background-color: var(--color-accent);
	color: var(--color-accent);
	margin-left: 2px;
	animation: cursor-blink 1s steps(2, start) infinite;
}

@keyframes cursor-blink {
	0%, 50% { opacity: 1; }
	50.01%, 100% { opacity: 0; }
}

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

	[data-reveal] {
		opacity: 1;
		transform: none;
		transition: none;
	}

	.cursor {
		animation: none;
	}

	*, *::before, *::after {
		animation-duration: 0ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0ms !important;
	}
}