/* ==========================================================================
   Cairn — components: frames, cards, controls, drawings, forms
   ========================================================================== */

/* --- Image frames -------------------------------------------------------- */

.frame {
	position: relative;
	overflow: hidden;
	aspect-ratio: var(--ratio, 3 / 2);
	background: var(--surface);
}

.frame > img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.figure { margin: 0; }

/* --- Calls to action ----------------------------------------------------- */

.cta {
	display: inline-flex;
	align-items: center;
	gap: 0.75rem;
	text-decoration: none;
	font-family: var(--font-mono);
	font-size: var(--step--1);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--ink);
	padding-block: 0.5rem;
}

.cta__rule {
	display: block;
	width: clamp(1.75rem, 4vw, 3rem);
	height: var(--hair);
	background: currentColor;
	transition: width var(--dur-fast) var(--ease);
}

.cta:hover .cta__rule,
.cta:focus-visible .cta__rule { width: clamp(2.75rem, 6vw, 4.5rem); }

.cta--ghost { color: var(--ink-soft); }
.cta--light { color: var(--accent-ink); }
.cta--inline { padding-block: 0; margin-block-start: 1.25rem; }

.btn {
	display: inline-flex;
	align-items: center;
	gap: 0.9rem;
	padding: 1rem 1.75rem;
	background: var(--solid);
	color: var(--on-solid);
	font-family: var(--font-mono);
	font-size: var(--step--1);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	text-decoration: none;
	transition: opacity var(--dur-fast) var(--ease);
}

.btn:hover { opacity: 0.86; }

.chip {
	display: inline-flex;
	align-items: baseline;
	gap: 0.5rem;
	padding: 0.5rem 1rem;
	border: var(--hair) solid var(--rule-strong);
	color: var(--ink-soft);
	font-family: var(--font-mono);
	font-size: var(--step--1);
	letter-spacing: 0.06em;
	text-decoration: none;
	transition: color var(--dur-fast) var(--ease),
		border-color var(--dur-fast) var(--ease),
		background-color var(--dur-fast) var(--ease);
}

.chip:hover { color: var(--ink); border-color: var(--ink); }

.chip.is-current {
	background: var(--solid);
	border-color: var(--solid);
	color: var(--on-solid);
}

.chip__count { font-size: 0.625rem; opacity: 0.65; color: inherit; }

.view-btn {
	font-family: var(--font-mono);
	font-size: var(--step--1);
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--ink-soft);
	padding: 0.5rem 0.25rem;
	position: relative;
}

.view-btn + .view-btn { margin-inline-start: 1.25rem; }

.view-btn::after {
	content: "";
	position: absolute;
	inset-block-end: 0.25rem;
	inset-inline: 0.25rem;
	height: var(--hair);
	background: currentColor;
	transform: scaleX(0);
	transition: transform var(--dur-fast) var(--ease);
}

.view-btn.is-current { color: var(--ink); }
.view-btn.is-current::after { transform: scaleX(1); }

/* --- Metadata ------------------------------------------------------------ */

.meta-list { display: grid; gap: 0.9rem; }

.meta-item dt { margin-block-end: 0.3rem; }
.meta-item dd { color: var(--ink); font-size: var(--step--1); line-height: 1.5; }
.meta-item dd.mono { color: var(--ink); }

.meta-list--row {
	grid-auto-flow: column;
	grid-auto-columns: max-content;
	gap: clamp(1.25rem, 4vw, 3.5rem);
	overflow-x: auto;
	scrollbar-width: none;
	padding-block-end: 0.25rem;
}

.meta-list--row::-webkit-scrollbar { display: none; }

.meta-list--stack { gap: 1.1rem; }

.meta-list--grid {
	grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
	gap: 1.5rem;
	padding-block-start: 2rem;
	border-block-start: var(--hair) solid var(--rule);
}

/* --- Project cards ------------------------------------------------------- */

.pcard__link,
.gcard__link,
.jcard__link { display: block; text-decoration: none; }

.pcard__img,
.gcard__img,
.jcard__img {
	transition: transform 1.1s var(--ease-out);
}

.pcard__link:hover .pcard__img,
.gcard__link:hover .gcard__img,
.jcard__link:hover .jcard__img { transform: scale(1.035); }

.pcard__body,
.gcard__body {
	display: grid;
	gap: 0.45rem;
	padding-block-start: 1.1rem;
}

.pcard__ref,
.gcard__ref { color: var(--accent-ink); }

.pcard__title,
.gcard__title { font-size: var(--step-2); }

.pcard__meta,
.gcard__meta { display: flex; align-items: center; flex-wrap: wrap; }

.pcard__summary,
.gcard__summary {
	color: var(--ink-soft);
	max-width: 46ch;
	margin-block-start: 0.35rem;
}

/* --- Journal cards ------------------------------------------------------- */

.jcard__meta {
	display: flex;
	align-items: center;
	margin-block-start: 1rem;
}

.jcard__title { font-size: var(--step-2); margin-block: 0.4rem 0.55rem; }
.jcard__stand { color: var(--ink-soft); max-width: 42ch; }

.jcard__cta {
	display: inline-flex;
	gap: 0.6rem;
	align-items: center;
	margin-block-start: 1rem;
	font-family: var(--font-mono);
	font-size: var(--step--1);
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--accent-ink);
}

.jcard__link:hover .jcard__cta .arrow { transform: translateX(0.3em); }

/* --- Stats --------------------------------------------------------------- */

.stats {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: clamp(1.75rem, 4vw, 3.5rem);
	padding-block: clamp(2rem, 4vw, 3.5rem);
	border-block: var(--hair) solid var(--rule);
}

@media (min-width: 900px) { .stats { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

.stat__value {
	font-family: var(--font-display);
	font-size: clamp(2.75rem, 6vw, 4.75rem);
	line-height: 0.94;
	letter-spacing: -0.02em;
	display: flex;
	align-items: baseline;
}

.stat__suffix { font-size: 0.5em; color: var(--accent-ink); }
.stat__label { margin-block-start: 0.75rem; font-size: var(--step-0); }
.stat__note { margin-block-start: 0.2rem; }

/* --- Drawings ------------------------------------------------------------ */

.siteplan {
	width: 100%;
	height: auto;
	background: var(--surface);
	color: var(--ink);
}

.pl-contour {
	fill: none;
	stroke: currentColor;
	stroke-width: 0.16;
	opacity: 0.3;
}

.pl-contour[data-major] { stroke-width: 0.3; opacity: 0.5; }
.pl-footprint { fill: var(--accent); fill-opacity: 0.9; stroke: none; }
.pl-void { fill: var(--surface); }
.pl-terrace { stroke: currentColor; stroke-width: 0.22; opacity: 0.55; fill: none; }
.pl-frame { fill: none; stroke: currentColor; stroke-width: 0.22; opacity: 0.55; }
.pl-tick { stroke: currentColor; stroke-width: 0.22; opacity: 0.5; }
.pl-north-arrow { fill: currentColor; }
.pl-scale-bar { stroke: currentColor; stroke-width: 0.22; fill: none; }

.pl-text {
	font-family: var(--font-mono);
	font-size: 2.6px;
	letter-spacing: 0.12px;
	fill: currentColor;
	opacity: 0.72;
}

.pl-title { font-size: 3px; opacity: 0.9; }

.rose { width: 3.25rem; height: 3.25rem; color: var(--ink); }
.rose-ring { fill: none; stroke: currentColor; stroke-width: 0.6; opacity: 0.4; }
.rose-needle { fill: var(--accent-ink); }

.rose-label {
	font-family: var(--font-mono);
	font-size: 5px;
	fill: currentColor;
	text-anchor: middle;
	opacity: 0.7;
}

.cityplan { width: 100%; height: 100%; color: var(--ink); }
.cp-ground { fill: var(--surface); }
.cp-block { fill: currentColor; opacity: 0.13; }
.cp-street { stroke: currentColor; stroke-width: 0.35; opacity: 0.22; fill: none; }
.cp-water { fill: currentColor; opacity: 0.08; }
.cp-quay { stroke: currentColor; stroke-width: 0.4; opacity: 0.4; fill: none; }
.cp-plot { fill: var(--accent); }
.cp-cross { stroke: var(--accent-ink); stroke-width: 0.4; fill: none; }
.cp-ring { fill: none; stroke: var(--accent-ink); stroke-width: 0.4; opacity: 0.75; }

/* --- Datum strip --------------------------------------------------------- */

.datum-head { margin-block-end: 1rem; }
.datum-list { display: grid; gap: 0.1rem; }

.datum-row {
	display: grid;
	grid-template-columns: 4.5rem 1fr auto;
	align-items: center;
	gap: 0.85rem;
	padding-block: 0.5rem;
	font-family: var(--font-mono);
	font-size: var(--step--1);
	color: var(--ink-soft);
	font-variant-numeric: tabular-nums;
}

.datum-rule { height: var(--hair); background: var(--rule); }
.datum-row.is-ground { color: var(--ink); }
.datum-row.is-ground .datum-rule { background: var(--accent-ink); height: 2px; }
.datum-name { text-align: end; }

.plan-block {
	display: grid;
	gap: clamp(1.75rem, 4vw, 3rem);
	align-items: start;
}

@media (min-width: 900px) {
	.plan-block { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
}

.plan-block__data { display: grid; gap: 2rem; }

/* --- Gallery ------------------------------------------------------------- */

.gallery {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: clamp(1rem, 2.5vw, 2.25rem);
	margin-block-start: clamp(1.5rem, 3vw, 2.5rem);
}

.gal-item--wide { grid-column: 1 / -1; }

@media (max-width: 599px) {
	.gallery { grid-template-columns: minmax(0, 1fr); }
	.gal-item { grid-column: 1 / -1; }
}

/* --- Previous / next ----------------------------------------------------- */

.pnav {
	display: grid;
	gap: clamp(1.75rem, 4vw, 3rem);
}

@media (min-width: 800px) { .pnav { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.pnav__item {
	display: grid;
	gap: 0.8rem;
	text-decoration: none;
	padding-block-start: 1.25rem;
	border-block-start: var(--hair) solid var(--rule);
}

.pnav__item--next { text-align: end; }
.pnav__dir { color: var(--accent-ink); }
.pnav__frame { overflow: hidden; }
.pnav__frame img { transition: transform 1s var(--ease-out); }
.pnav__item:hover .pnav__frame img { transform: scale(1.04); }
.pnav__title { font-size: var(--step-2); }

/* --- Forms --------------------------------------------------------------- */

.field { display: grid; gap: 0.5rem; }
.field__hint { font-size: var(--step--1); color: var(--ink-soft); }

.field__control {
	width: 100%;
	padding: 0.85rem 0;
	border-block-end: var(--hair) solid var(--rule-strong);
	background: transparent;
	color: var(--ink);
	font-size: var(--step-0);
	transition: border-color var(--dur-fast) var(--ease);
}

.field__control::placeholder { color: var(--ink-soft); opacity: 0.65; }
.field__control:focus { outline: none; border-color: var(--accent-ink); }
.field__control:focus-visible { outline: 2px solid var(--accent-ink); outline-offset: 4px; }
textarea.field__control { resize: vertical; min-height: 8rem; }

select.field__control {
	appearance: none;
	background-image:
		linear-gradient(45deg, transparent 50%, currentColor 50%),
		linear-gradient(135deg, currentColor 50%, transparent 50%);
	background-position: right 0.7rem top 1.35rem, right 0.35rem top 1.35rem;
	background-size: 0.35rem 0.35rem, 0.35rem 0.35rem;
	background-repeat: no-repeat;
	padding-inline-end: 1.75rem;
}

.field.is-invalid .field__control { border-color: #a5301e; }
.field__error { color: #a5301e; }

[data-chapter="graphite"] .field.is-invalid .field__control,
[data-chapter="graphite"] .field__error,
[data-chapter="espresso"] .field.is-invalid .field__control,
[data-chapter="espresso"] .field__error,
[data-chapter="olive"] .field.is-invalid .field__control,
[data-chapter="olive"] .field__error { color: #e59a86; border-color: #e59a86; }

/* --- Related tiles ------------------------------------------------------- */

.srel,
.arel {
	display: grid;
	gap: 0.55rem;
	text-decoration: none;
	align-content: start;
}

.srel__frame,
.arel__frame { overflow: hidden; }
.srel__frame img,
.arel__frame img { transition: transform 1s var(--ease-out); }
.srel:hover .srel__frame img,
.arel:hover .arel__frame img { transform: scale(1.04); }
.srel__title,
.arel__title { font-size: var(--step-0); font-weight: 500; }
.srel__meta,
.arel__meta { font-size: var(--step--2); }