/* ==========================================================================
   The Harkins Collection — design system
   Museum / auction-catalogue restraint. Images lead; type is quiet and
   confident; whitespace does the luxury.
   ========================================================================== */

:root {
	/* Palette — warm museum paper, near-black ink, a single restrained accent. */
	--paper:      #f6f2ea;
	--paper-2:    #efe9dc;
	--paper-3:    #e8e1d2;
	--ink:        #1b1712;
	--ink-2:      #35302a;
	--muted:      #6d665a;
	--muted-2:    #8b8477;
	--line:       #d9d2c4;
	--line-2:     #c9c1b0;
	--accent:     #7a2e26;   /* seal red — used sparingly, never decoratively */
	--white:      #fffdf9;

	/* Type */
	--serif: "EB Garamond", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
	--sans:  "Inter", "Helvetica Neue", Helvetica, Arial, system-ui, -apple-system, sans-serif;

	/* Rhythm */
	--measure: 68ch;
	--gutter: clamp(1.25rem, 4vw, 3.25rem);
	--maxw: 1360px;
	--maxw-text: 760px;

	/* Motion */
	--ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* --------------------------------------------------------------------------
   Reset-ish base
   -------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	* { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
body {
	margin: 0;
	background: var(--paper);
	color: var(--ink);
	font-family: var(--serif);
	font-size: clamp(1.02rem, 0.98rem + 0.2vw, 1.16rem);
	line-height: 1.62;
	font-feature-settings: "kern" 1, "liga" 1, "onum" 1;
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
	outline: 2px solid var(--accent);
	outline-offset: 3px;
}
hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

/* Sans is reserved for navigation, labels, metadata, captions. */
.sans, nav, .eyebrow, .meta, .caption, .accession, .filters, .breadcrumb,
button, input, textarea, .site-footer, .card__meta, label {
	font-family: var(--sans);
}

/* --------------------------------------------------------------------------
   Layout helpers
   -------------------------------------------------------------------------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.wrap--text { max-width: var(--maxw-text); }
.section { padding-block: clamp(3rem, 7vw, 6rem); }
.section--tight { padding-block: clamp(2rem, 4vw, 3rem); }
.stack > * + * { margin-top: 1.1em; }

.eyebrow {
	font-size: 0.72rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--muted);
	font-weight: 500;
	margin: 0 0 1.1rem;
}

/* Headings */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 500; line-height: 1.14; letter-spacing: 0.002em; color: var(--ink); }
h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.3rem); }
h2 { font-size: clamp(1.55rem, 1.2rem + 1.4vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 1.05rem + 0.6vw, 1.5rem); }

.lede { font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem); line-height: 1.5; color: var(--ink-2); }

/* Skip link */
.skip-link {
	position: absolute; left: -9999px; top: 0; z-index: 1000;
	background: var(--ink); color: var(--paper); padding: 0.75rem 1.25rem;
	font-family: var(--sans); font-size: 0.85rem;
}
.skip-link:focus { left: 1rem; top: 1rem; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
	border-bottom: 1px solid var(--line);
	background: color-mix(in srgb, var(--paper) 88%, transparent);
	backdrop-filter: saturate(1.1) blur(6px);
	position: sticky; top: 0; z-index: 100;
}
.site-header__inner {
	display: flex; align-items: center; justify-content: space-between;
	gap: 1.5rem; min-height: 84px; padding-block: 0.9rem;
}
.site-title { margin: 0; }
.site-title a {
	font-family: var(--serif);
	font-weight: 500;
	font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.4rem);
	letter-spacing: 0.16em;
	text-transform: uppercase;
	line-height: 1.1;
	display: inline-block;
}
.site-title small {
	display: block;
	font-family: var(--sans);
	font-size: 0.62rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--muted);
	margin-top: 0.35rem;
	font-weight: 400;
}

.primary-nav ul { list-style: none; display: flex; gap: clamp(1.25rem, 2.6vw, 2.6rem); margin: 0; padding: 0; }
.primary-nav a {
	font-size: 0.78rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--ink-2);
	padding-block: 0.4rem;
	position: relative;
}
.primary-nav a::after {
	content: ""; position: absolute; left: 0; right: 100%; bottom: -2px; height: 1px;
	background: var(--ink); transition: right 0.35s var(--ease);
}
.primary-nav a:hover::after, .primary-nav .current-menu-item > a::after,
.primary-nav a[aria-current]::after { right: 0; }

.nav-toggle { display: none; }

@media (max-width: 820px) {
	.nav-toggle {
		display: inline-flex; align-items: center; gap: 0.5rem;
		background: none; border: 0; cursor: pointer;
		font-family: var(--sans); font-size: 0.74rem; letter-spacing: 0.16em;
		text-transform: uppercase; color: var(--ink); padding: 0.5rem;
	}
	.nav-toggle__bars { width: 22px; height: 12px; position: relative; display: inline-block; }
	.nav-toggle__bars::before, .nav-toggle__bars::after,
	.nav-toggle__bars span { content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: var(--ink); transition: transform 0.3s var(--ease), opacity 0.2s; }
	.nav-toggle__bars::before { top: 0; }
	.nav-toggle__bars span { top: 5px; }
	.nav-toggle__bars::after { top: 10px; }
	.primary-nav {
		position: fixed; inset: 84px 0 auto 0;
		background: var(--paper); border-bottom: 1px solid var(--line);
		max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease);
	}
	.primary-nav.is-open { max-height: 70vh; }
	.primary-nav ul { flex-direction: column; gap: 0; padding: 0.5rem var(--gutter) 1.5rem; }
	.primary-nav li { border-bottom: 1px solid var(--line); }
	.primary-nav a { display: block; padding: 1rem 0; font-size: 0.9rem; }
	.primary-nav a::after { display: none; }
}

/* --------------------------------------------------------------------------
   Hero (homepage)
   -------------------------------------------------------------------------- */
.hero { position: relative; background: var(--ink); }
.hero__media { position: relative; width: 100%; aspect-ratio: 16 / 9; overflow: hidden; }
@media (min-width: 900px) { .hero__media { aspect-ratio: 21 / 9; max-height: 78vh; } }
.hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.1s var(--ease); }
.hero__media img.is-loaded, .no-js .hero__media img { opacity: 0.92; }
.hero__scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,8,6,0.15) 0%, rgba(10,8,6,0.05) 45%, rgba(10,8,6,0.55) 100%); }
.hero__caption {
	position: absolute; left: 0; right: 0; bottom: 0;
	padding: var(--gutter);
	color: var(--paper);
}
.hero__title {
	color: var(--white);
	font-size: clamp(1.9rem, 1.2rem + 3.4vw, 4rem);
	letter-spacing: 0.06em;
	text-transform: uppercase;
	font-weight: 500;
	margin: 0;
	text-shadow: 0 1px 30px rgba(0,0,0,0.35);
}
.hero__sub {
	font-family: var(--sans); font-size: clamp(0.82rem, 0.7rem + 0.5vw, 1rem);
	letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,253,249,0.9);
	margin-top: 1rem;
}
.hero__object {
	font-family: var(--sans); font-size: 0.7rem; letter-spacing: 0.14em;
	text-transform: uppercase; color: rgba(255,253,249,0.72); margin-top: 1.25rem;
}

/* Intro block */
.intro { text-align: left; }
.intro .lede { margin-bottom: 1.4rem; }
.intro p { color: var(--ink-2); }
.intro__more { margin-top: 2rem; }

/* Read-more / text link */
.textlink {
	font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.14em;
	text-transform: uppercase; color: var(--ink);
	border-bottom: 1px solid var(--line-2); padding-bottom: 0.35rem;
	transition: border-color 0.3s var(--ease);
}
.textlink:hover { border-color: var(--ink); }
.textlink::after { content: " \2192"; }

/* --------------------------------------------------------------------------
   Object grid + cards
   -------------------------------------------------------------------------- */
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1.5rem; margin-bottom: clamp(1.75rem, 4vw, 3rem); flex-wrap: wrap; }
.section-head h2 { margin: 0; }

.grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: clamp(1.5rem, 3.2vw, 3.25rem) clamp(1.25rem, 2.6vw, 2.5rem);
}
.grid--featured { grid-template-columns: repeat(3, 1fr); }
@media (min-width: 1500px) { .grid--wide { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 860px) { .grid, .grid--featured, .grid--wide { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) {
	.grid, .grid--featured { grid-template-columns: 1fr; }
	.grid--thumb { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
}

.card { display: block; }
.card__media {
	background: var(--paper-2);
	overflow: hidden;
	aspect-ratio: 4 / 5;
	display: flex; align-items: center; justify-content: center;
}
.card--natural .card__media { aspect-ratio: auto; }
.card__media img {
	width: 100%; height: 100%; object-fit: cover;
	transition: transform 0.9s var(--ease), opacity 0.6s var(--ease);
}
.card:hover .card__media img { transform: scale(1.03); }
.card__media--empty { aspect-ratio: 4 / 5; color: var(--muted-2); font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; }
.card__body { padding-top: 1rem; }
.card__accession { font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.card__title { font-family: var(--serif); font-size: clamp(1.02rem, 0.95rem + 0.35vw, 1.24rem); line-height: 1.25; margin: 0.4rem 0 0.5rem; font-weight: 500; }
.card:hover .card__title { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.card__meta { font-family: var(--sans); font-size: 0.78rem; color: var(--muted); letter-spacing: 0.02em; }

/* --------------------------------------------------------------------------
   Archive filters
   -------------------------------------------------------------------------- */
.archive-intro { max-width: 60ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.filters { display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; margin-bottom: clamp(2rem, 4vw, 3rem); border-bottom: 1px solid var(--line); padding-bottom: 1.1rem; }
.filters a {
	font-size: 0.76rem; letter-spacing: 0.12em; text-transform: uppercase;
	color: var(--muted); padding: 0.35rem 0; border-bottom: 1px solid transparent;
}
.filters a:hover { color: var(--ink); }
.filters a.is-active { color: var(--ink); border-bottom-color: var(--ink); }
.filters .count { color: var(--muted-2); font-variant-numeric: tabular-nums; }

/* --------------------------------------------------------------------------
   Single object
   -------------------------------------------------------------------------- */
.breadcrumb { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); padding-block: 1.25rem; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb span[aria-current] { color: var(--ink-2); }

.object-lead { display: grid; grid-template-columns: 1fr; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: start; }
@media (min-width: 940px) { .object-lead { grid-template-columns: 62% 1fr; } }

.object-figure { margin: 0; background: var(--paper-2); }
.object-figure button { display: block; width: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.object-figure img { width: 100%; height: auto; }

.object-info { position: sticky; top: 108px; }
.object-info .accession { font-family: var(--sans); font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--muted); }
.object-info h1 { margin: 0.6rem 0 0.9rem; font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.5rem); }
.object-info .origin-period { font-family: var(--sans); font-size: 0.9rem; letter-spacing: 0.02em; color: var(--muted); }
.object-info .materials-line { margin-top: 1rem; color: var(--ink-2); font-style: italic; }
.object-info .dims-line { font-family: var(--sans); font-size: 0.86rem; color: var(--muted); margin-top: 0.75rem; }
.object-info .info-cta { margin-top: 1.75rem; }

@media (max-width: 939px) { .object-info { position: static; } }

/* Gallery thumbnails (secondary, below lead) */
.object-gallery { margin-top: clamp(2rem, 5vw, 3.5rem); }
.object-gallery__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.9rem; }
@media (max-width: 720px) { .object-gallery__grid { grid-template-columns: repeat(3, 1fr); } }
.object-gallery__grid button { border: 0; padding: 0; background: var(--paper-2); cursor: zoom-in; aspect-ratio: 1; overflow: hidden; }
.object-gallery__grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.object-gallery__grid button:hover img { transform: scale(1.05); }

/* Object detail sections */
.object-body { margin-top: clamp(2.5rem, 6vw, 5rem); }
.object-columns { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 940px) { .object-columns { grid-template-columns: 1fr 320px; } }

.prose { max-width: var(--measure); }
.prose h2 { font-size: 1.1rem; letter-spacing: 0.14em; text-transform: uppercase; font-family: var(--sans); font-weight: 600; color: var(--muted); margin: 2.5rem 0 0.85rem; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: var(--ink-2); }
.prose .provenance-list { list-style: none; padding: 0; margin: 0; }
.prose .provenance-list li { padding-left: 0; color: var(--ink-2); }
.prose .provenance-list li + li { margin-top: 0.4rem; }

.object-meta-panel { align-self: start; }
.object-details { border-top: 1px solid var(--ink); }
.object-detail { display: grid; grid-template-columns: 1fr; gap: 0.2rem; padding: 0.95rem 0; border-bottom: 1px solid var(--line); }
.object-detail dt { font-family: var(--sans); font-size: 0.68rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); margin: 0; }
.object-detail dd { margin: 0; color: var(--ink-2); }
.object-detail dd ul { margin: 0; padding-left: 1.1em; }

.research-flag {
	font-family: var(--sans); font-size: 0.8rem; color: var(--muted);
	border-left: 2px solid var(--line-2); padding: 0.4rem 0 0.4rem 1rem; margin-top: 1.5rem;
	font-style: normal;
}

/* Prev/next */
.object-nav { display: flex; justify-content: space-between; gap: 1.5rem; border-top: 1px solid var(--line); margin-top: clamp(3rem, 6vw, 5rem); padding-top: 1.5rem; font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }
.object-nav a { color: var(--muted); }
.object-nav a:hover { color: var(--ink); }
.object-nav .disabled { color: var(--line-2); }

/* --------------------------------------------------------------------------
   Editorial pages (About / Research)
   -------------------------------------------------------------------------- */
.page-hero { padding-block: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 3vw, 2.5rem); border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 20ch; }
.page-hero .lede { margin-top: 1.5rem; max-width: 46ch; }
.page-body { max-width: var(--maxw-text); }
.page-body p, .page-body li { color: var(--ink-2); }
.page-body h2 { font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.7rem); margin-top: 2.5rem; }
.page-body h3 { font-family: var(--sans); font-size: 0.95rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-top: 2rem; }
.page-body blockquote { margin: 2rem 0; padding-left: 1.5rem; border-left: 2px solid var(--accent); font-style: italic; color: var(--ink-2); }

/* --------------------------------------------------------------------------
   Inquiry form
   -------------------------------------------------------------------------- */
.inquiry-form { max-width: 720px; margin-top: 2rem; }
.inquiry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem 1.5rem; }
@media (max-width: 620px) { .inquiry-grid { grid-template-columns: 1fr; } }
.inquiry-field { margin: 0; }
.inquiry-field--full { margin-top: 1.25rem; }
.inquiry-field label { display: block; font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.45rem; }
.inquiry-field .req { color: var(--accent); }
.inquiry-form input, .inquiry-form textarea {
	width: 100%; font-family: var(--sans); font-size: 0.95rem; color: var(--ink);
	background: var(--white); border: 1px solid var(--line-2); border-radius: 0;
	padding: 0.7rem 0.8rem; transition: border-color 0.25s var(--ease);
}
.inquiry-form input:focus, .inquiry-form textarea:focus { border-color: var(--ink); outline: none; }
.inquiry-honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.inquiry-submit { margin-top: 1.75rem; }
.inquiry-form button {
	font-family: var(--sans); font-size: 0.76rem; letter-spacing: 0.16em; text-transform: uppercase;
	background: var(--ink); color: var(--paper); border: 1px solid var(--ink);
	padding: 0.9rem 2.2rem; cursor: pointer; transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.inquiry-form button:hover { background: transparent; color: var(--ink); }
.inquiry-notice { font-family: var(--sans); font-size: 0.9rem; padding: 1rem 1.25rem; margin-bottom: 1.5rem; border: 1px solid var(--line-2); }
.inquiry-notice--ok { border-left: 3px solid var(--accent); }
.inquiry-notice--error { border-left: 3px solid #9a3b2f; }

.contact-detail { font-family: var(--sans); font-size: 0.9rem; color: var(--muted); margin-top: 2.5rem; }

/* Direct contact card */
.contact-card { margin: 2rem 0 2.75rem; padding: 1.75rem 0 0; border-top: 1px solid var(--line); }
.contact-card .name { font-family: var(--serif); font-size: 1.25rem; color: var(--ink); margin: 0 0 0.4rem; }
.contact-card p { font-family: var(--sans); color: var(--ink-2); line-height: 1.85; margin: 0; font-size: 0.95rem; }
.contact-card .place { color: var(--muted); }
.contact-card a { border-bottom: 1px solid var(--line-2); transition: border-color 0.25s var(--ease); }
.contact-card a:hover { border-color: var(--ink); }
.contact-or { font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.5rem; }

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer { border-top: 1px solid var(--line); margin-top: clamp(3rem, 8vw, 7rem); padding-block: clamp(2.5rem, 5vw, 4rem); }
.site-footer__inner { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; }
.site-footer__brand { font-family: var(--serif); font-size: 1rem; letter-spacing: 0.14em; text-transform: uppercase; }
.site-footer__brand small { display: block; font-family: var(--sans); font-size: 0.66rem; letter-spacing: 0.18em; color: var(--muted); margin-top: 0.4rem; text-transform: uppercase; }
.footer-nav ul { list-style: none; display: flex; gap: 1.75rem; margin: 0; padding: 0; flex-wrap: wrap; }
.footer-nav a { font-family: var(--sans); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.footer-nav a:hover { color: var(--ink); }
.site-footer__legal { width: 100%; font-family: var(--sans); font-size: 0.7rem; color: var(--muted-2); letter-spacing: 0.06em; margin-top: 1.5rem; }

/* --------------------------------------------------------------------------
   Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
	position: fixed; inset: 0; z-index: 999;
	background: rgba(18, 15, 12, 0.94);
	display: none; align-items: center; justify-content: center;
}
.lightbox.is-open { display: flex; }
.lightbox__img { max-width: 92vw; max-height: 88vh; object-fit: contain; box-shadow: 0 20px 80px rgba(0,0,0,0.5); }
.lightbox__caption { position: absolute; bottom: 1.25rem; left: 0; right: 0; text-align: center; font-family: var(--sans); font-size: 0.78rem; letter-spacing: 0.08em; color: rgba(255,253,249,0.8); padding-inline: 1rem; }
.lightbox__btn {
	position: absolute; background: none; border: 0; color: rgba(255,253,249,0.85); cursor: pointer;
	font-size: 2rem; line-height: 1; padding: 1rem; transition: color 0.2s;
}
.lightbox__btn:hover { color: #fff; }
.lightbox__close { top: 0.5rem; right: 0.75rem; }
.lightbox__prev { left: 0.5rem; top: 50%; transform: translateY(-50%); font-size: 2.5rem; }
.lightbox__next { right: 0.5rem; top: 50%; transform: translateY(-50%); font-size: 2.5rem; }
@media (max-width: 620px) { .lightbox__prev, .lightbox__next { font-size: 2rem; } }

/* Utility */
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }