:root {
	--board: #e9e4d8;
	--ink: #1d1c1a;
	--ink-soft: rgba(29, 28, 26, 0.62);
	--rule: rgba(29, 28, 26, 0.16);
	--serif: "EB Garamond", Georgia, "Times New Roman", serif;
	--sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	--gutter: clamp(20px, 5vw, 64px);
	--ease: cubic-bezier(.2, .7, .2, 1);
}

html.board-dark {
	--ink: #f3efe6;
	--ink-soft: rgba(243, 239, 230, 0.66);
	--rule: rgba(243, 239, 230, 0.2);
}

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

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

body {
	margin: 0;
	background: var(--board);
	color: var(--ink);
	font-family: var(--sans);
	font-size: 15px;
	line-height: 1.6;
	transition: background-color .9s var(--ease), color .9s var(--ease);
	-webkit-font-smoothing: antialiased;
}

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

.screen-reader-text {
	position: absolute !important; width: 1px; height: 1px; overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px); white-space: nowrap;
}

/* ---------- Header ---------- */
.site-header {
	position: sticky; top: 0; z-index: 20;
	display: flex; align-items: center; justify-content: space-between; gap: 16px;
	padding: 22px var(--gutter);
	background: var(--board);
	transition: background-color .9s var(--ease);
}
.site-title {
	font-family: var(--serif); font-size: 22px; letter-spacing: .01em;
	text-decoration: none; line-height: 1;
}
.header-actions { display: flex; align-items: center; gap: 18px; }

.text-btn {
	appearance: none; background: none; border: 0; padding: 6px 0; margin: 0;
	font: 500 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase;
	color: inherit; cursor: pointer;
	display: inline-flex; align-items: center; gap: 8px;
}
.text-btn:hover, .text-btn:focus-visible { opacity: .65; }
.text-btn:focus-visible { outline: 1px solid currentColor; outline-offset: 4px; }

.swatch {
	width: 14px; height: 14px; border-radius: 50%;
	border: 1px solid var(--ink); background: var(--board);
	transition: background-color .9s var(--ease);
}

/* ---------- Series ---------- */
.series {
	padding: clamp(40px, 9vh, 110px) var(--gutter) 40px;
	max-width: 1280px; margin: 0 auto;
}
.series-intro {
	display: grid; grid-template-columns: 1fr; gap: 28px;
	margin-bottom: clamp(48px, 10vh, 120px);
}
@media (min-width: 900px) {
	.series-intro { grid-template-columns: 5fr 6fr; gap: 64px; align-items: start; }
}
.series-title {
	font-family: var(--serif); font-weight: 400;
	font-size: clamp(40px, 7vw, 88px); line-height: .98; letter-spacing: -.01em;
	margin: 0;
}
.series-writeup {
	font-family: var(--serif); font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55;
	max-width: 36em;
}
.series-writeup p { margin: 0 0 1em; }
.series-meta {
	display: flex; flex-wrap: wrap; gap: 6px 28px;
	margin: 22px 0 0; padding: 14px 0 0; border-top: 1px solid var(--rule);
	font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft);
}
.series-meta dt { display: none; }
.series-meta dd { margin: 0; }

.series-plates { display: flex; flex-direction: column; gap: clamp(56px, 12vh, 140px); }
.plate { margin: 0; display: flex; flex-direction: column; align-items: center; }
.plate img {
	max-height: 86vh; width: auto;
	box-shadow: 0 1px 2px rgba(0,0,0,.08), 0 18px 40px -24px rgba(0,0,0,.35);
}
.plate figcaption {
	margin-top: 14px; font-size: 12px; color: var(--ink-soft); letter-spacing: .04em;
}
.plate.is-pair { flex-direction: row; gap: clamp(16px, 3vw, 40px); justify-content: center; }

.series-end {
	text-align: center; padding: clamp(60px, 12vh, 140px) 0 20px;
}

/* ---------- Footer ---------- */
.site-footer {
	padding: 28px var(--gutter) 36px;
	display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
	font-size: 12px; letter-spacing: .08em; color: var(--ink-soft);
}
.site-footer a { text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

/* ---------- Menu panel ---------- */
.menu-panel {
	position: fixed; inset: 0; z-index: 50;
	background: var(--board); color: var(--ink);
	display: flex; flex-direction: column;
	opacity: 0; visibility: hidden;
	transition: opacity .35s var(--ease), visibility 0s linear .35s, background-color .9s var(--ease);
	overflow-y: auto;
}
.menu-panel.is-open { opacity: 1; visibility: visible; transition: opacity .35s var(--ease), background-color .9s var(--ease); }
.menu-panel .site-header { position: static; background: transparent; }
.menu-body {
	flex: 1; width: 100%; max-width: 1080px; margin: 0 auto;
	padding: 20px var(--gutter) 60px;
	display: grid; gap: 56px; grid-template-columns: 1fr;
}
@media (min-width: 860px) { .menu-body { grid-template-columns: 1fr 1.3fr; gap: 80px; padding-top: 8vh; } }

.menu-links { list-style: none; margin: 0; padding: 0; }
.menu-links li { border-bottom: 1px solid var(--rule); }
.menu-links a, .menu-links button {
	display: block; width: 100%; text-align: left;
	padding: 16px 0; font-family: var(--serif); font-size: clamp(28px, 4vw, 40px); line-height: 1.1;
	text-decoration: none; background: none; border: 0; color: inherit; cursor: pointer;
}
.menu-links a:hover, .menu-links button:hover { font-style: italic; }

.contact h2 {
	font: 500 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase;
	margin: 0 0 24px; color: var(--ink-soft);
}
.field { margin-bottom: 20px; }
.field label { display: block; font-size: 12px; letter-spacing: .08em; color: var(--ink-soft); margin-bottom: 6px; }
.field input, .field textarea {
	width: 100%; padding: 10px 0; font: 17px/1.4 var(--serif); color: inherit;
	background: transparent; border: 0; border-bottom: 1px solid var(--rule); border-radius: 0;
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: none; border-bottom-color: var(--ink); }
.hp-field { position: absolute; left: -9999px; }
.submit {
	margin-top: 8px; padding: 14px 26px; cursor: pointer;
	font: 500 12px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase;
	background: var(--ink); color: var(--board); border: 1px solid var(--ink);
	transition: opacity .2s;
}
.submit:hover { opacity: .85; }
.submit[disabled] { opacity: .5; cursor: wait; }
.form-status { margin-top: 16px; font-family: var(--serif); font-size: 17px; min-height: 1.5em; }

body.menu-open { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after { transition: none !important; }
}

@media (max-width: 600px) {
	.js-board-name { display: none; }
	.swatch { width: 18px; height: 18px; }
}

/* ---------- Static-site additions ---------- */
.series { opacity: 0; transition: opacity .6s var(--ease); }
.series.is-ready { opacity: 1; }
.site-message {
	padding: 30vh var(--gutter); text-align: center;
	font-family: var(--serif); font-size: 20px; color: var(--ink-soft);
}
.series-writeup p:last-child { margin-bottom: 0; }