/* ============================================================
   base.css · reset, typography, accessibility primitives
   Single-serif EB Garamond discipline. No mono, no sans.
   ============================================================ */

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

html {
	-webkit-text-size-adjust: 100%;
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	min-height: 100vh;
	font-family: var(--font-body);
	font-size: var(--text-base);
	line-height: 1.55;
	color: var(--color-fg);
	background: var(--color-bg);
	font-weight: 400;
	font-feature-settings: 'kern', 'liga', 'calt', 'onum';  /* old-style figures by default */
	overflow-x: hidden;
}

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

img {
	font-style: italic;
}

a {
	color: inherit;
	text-decoration-color: var(--color-accent);
	text-decoration-thickness: 1px;
	text-underline-offset: 3px;
	transition: text-decoration-color var(--duration-fast) var(--ease-out),
		text-decoration-thickness var(--duration-fast) var(--ease-out),
		color var(--duration-fast) var(--ease-out);
}

a:hover {
	color: var(--color-accent);
	text-decoration-thickness: 2px;
}

button {
	font: inherit;
	cursor: pointer;
	border: 0;
	background: transparent;
	color: inherit;
	padding: 0;
}

input, textarea, select {
	font: inherit;
	color: inherit;
}

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

h1, h2, h3, h4, h5, h6 {
	font-family: var(--font-display);
	font-weight: 500;
	line-height: 1.1;
	letter-spacing: 0;
	margin: 0;
	text-wrap: balance;
}

p {
	margin: 0;
	text-wrap: pretty;
	max-width: 70ch;
}

/* === Typographic primitives ===
   Eyebrow + dateline are SMALL CAPS in EB Garamond, NOT mono.
   Small-caps glyphs come from the font itself via font-variant. */

.eyebrow {
	font-family: var(--font-serif);
	font-size: 0.95rem;
	font-weight: 500;
	font-variant-caps: all-small-caps;
	letter-spacing: 0.06em;
	color: var(--color-fg-muted);
	margin: 0;
	font-feature-settings: 'smcp', 'c2sc';
}

.eyebrow--accent {
	color: var(--color-accent);
}

.dateline {
	font-family: var(--font-serif);
	font-style: italic;
	font-size: var(--text-sm);
	font-weight: 400;
	letter-spacing: 0;
	color: var(--color-fg-muted);
}

.rule {
	display: block;
	width: 100%;
	height: 1px;
	background: var(--color-border);
	margin: var(--space-12) 0;
	border: 0;
}

.rule--accent {
	background: var(--color-accent);
	height: 1px;
	width: 80px;
	margin: var(--space-6) 0;
}

/* The single sparing keyword highlight */
.accent-word {
	color: var(--color-accent);
	font-style: italic;
}

/* === Focus === */
*:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 3px;
	border-radius: var(--radius-sm);
}

/* === Skip-to-content === */
.skip-link {
	position: absolute;
	top: -100px;
	left: var(--space-4);
	padding: var(--space-3) var(--space-5);
	background: var(--color-fg);
	color: var(--color-bg);
	font-family: var(--font-serif);
	font-size: var(--text-sm);
	font-style: italic;
	z-index: 1000;
	transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
	top: var(--space-4);
}

/* === Container === */
.container {
	width: 100%;
	max-width: var(--container-max);
	margin-inline: auto;
	padding-inline: var(--gutter);
}

@media (min-width: 768px) {
	.container { padding-inline: var(--gutter-tablet); }
}

@media (min-width: 1024px) {
	.container { padding-inline: var(--gutter-desktop); }
}

.container--wide {
	max-width: var(--container-wide);
}

.container--prose {
	max-width: var(--container-prose);
}

/* === Section rhythm ===
   Single tonal palette. No alternating ink/cream spreads.
   Subtle .section--cream-tinted is the only variation. */

.section {
	padding-block: var(--space-16);
}

@media (min-width: 768px) {
	.section { padding-block: var(--space-24); }
}

@media (min-width: 1024px) {
	.section { padding-block: var(--space-40); }
}

.section--cream-tinted {
	background: var(--color-bg-tinted);
}

/* === IO reveals === */

.reveal {
	opacity: 0;
	transform: translateY(16px);
	transition: opacity var(--duration-slow) var(--ease-out),
		transform var(--duration-slow) var(--ease-out);
}

.reveal.is-in {
	opacity: 1;
	transform: none;
}

.reveal[data-stagger="1"] { transition-delay: 80ms; }
.reveal[data-stagger="2"] { transition-delay: 160ms; }
.reveal[data-stagger="3"] { transition-delay: 240ms; }
.reveal[data-stagger="4"] { transition-delay: 320ms; }
.reveal[data-stagger="5"] { transition-delay: 400ms; }
.reveal[data-stagger="6"] { transition-delay: 480ms; }

/* === Visually hidden === */

.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;
}

section {
	contain: layout style paint;
}