/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
ul { list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

:root {
	--ink: rgba(255, 255, 255, 0.96);
	--ink-muted: rgba(255, 255, 255, 0.62);
	--ink-faint: rgba(255, 255, 255, 0.4);
	--rule: rgba(255, 255, 255, 0.18);
	--bg: #0b0b0d;
	--sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	--mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
	font-family: var(--sans);
	color: var(--ink);
	background: var(--bg);
	line-height: 1.5;
	overflow: hidden;
	position: relative;
}

/* === Background photo layers ===
   The .bg-stack wrapper carries cursor-parallax (translate);
   .bg-layer carries Ken Burns (scale). Composing in two elements avoids
   transform conflicts. */
.bg-stack {
	position: fixed;
	inset: 0;
	z-index: 0;
	pointer-events: none;
	transform: translate3d(var(--mx, 0px), var(--my, 0px), 0);
	transition: transform 480ms cubic-bezier(0.22, 0.94, 0.32, 1);
	will-change: transform;
}

.bg-layer {
	position: absolute;
	inset: 0;
	background-position: center center;
	background-repeat: no-repeat;
	background-size: cover;
	background-color: #000;
	opacity: 0;
	transition: opacity 1100ms ease;
	transform: scale(1);
	will-change: opacity, transform;
}

.bg-layer.is-visible {
	opacity: 1;
	animation: ken-burns 28s ease-out forwards;
}

@keyframes ken-burns {
	from { transform: scale(1); }
	to   { transform: scale(1.06); }
}

/* Vignette + tonal overlay so small text reads on every photo */
.bg-overlay {
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: 1;
	background:
		linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0.0) 22%, rgba(0,0,0,0.0) 55%, rgba(0,0,0,0.85) 100%),
		radial-gradient(120% 80% at 50% 50%, rgba(0,0,0,0) 50%, rgba(0,0,0,0.5) 100%);
}

@media (prefers-reduced-motion: reduce) {
	.bg-layer { transition: none; animation: none !important; }
	.bg-layer.is-visible { transform: none; }
}

/* === Stage (centered name + links) === */
.stage {
	position: relative;
	z-index: 2;
	min-height: 100vh;
	min-height: 100dvh;
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 0 24px;
}

.content {
	text-align: center;
	transform: translateY(-4vh);
}

.wordmark {
	font-weight: 500;
	font-size: clamp(13px, 1.7vw, 16px);
	letter-spacing: 0.42em;
	text-transform: uppercase;
	color: var(--ink);
	margin: 0 0 28px;
	text-indent: 0.42em; /* compensate optical pull from trailing letterspacing */
	text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

/* A subtle hairline under the wordmark for editorial feel */
.wordmark::after {
	content: '';
	display: block;
	width: 28px;
	height: 1px;
	background: rgba(255, 255, 255, 0.5);
	margin: 16px auto 0;
}

.nav-links {
	display: flex;
	justify-content: center;
	gap: clamp(20px, 4.5vw, 44px);
	flex-wrap: wrap;
	font-size: 12px;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	font-weight: 500;
}

.nav-links a {
	display: inline-block;
	padding: 6px 2px;
	color: var(--ink);
	position: relative;
	transition: color 200ms ease;
	text-shadow: 0 1px 2px rgba(0,0,0,0.45);
}

/* Animated underline draws in from left on hover */
.nav-links a::after {
	content: '';
	position: absolute;
	left: 0;
	right: 0;
	bottom: 2px;
	height: 1px;
	background: rgba(255, 255, 255, 0.9);
	transform: scaleX(0);
	transform-origin: left center;
	transition: transform 360ms cubic-bezier(0.22, 0.94, 0.32, 1);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
	transform: scaleX(1);
}

@media (prefers-reduced-motion: reduce) {
	.nav-links a::after { transition: none; }
}

.nav-links a:focus-visible {
	outline: 1px solid rgba(255, 255, 255, 0.9);
	outline-offset: 6px;
	border-radius: 1px;
}

/* === Caption (location card, bottom-left) === */
.caption {
	position: fixed;
	left: clamp(20px, 4vw, 36px);
	bottom: clamp(20px, 3vw, 28px);
	z-index: 3;
	color: var(--ink);
	max-width: calc(100% - 120px);
	text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}

.caption__place {
	display: inline-block;
	font-size: 11px;
	font-weight: 600;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--ink);
	border-bottom: 1px solid var(--rule);
	padding-bottom: 3px;
	transition: border-color 200ms ease;
}

.caption__place:hover { border-bottom-color: var(--ink); }
.caption__place:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; }
.caption__place:empty { display: none; }

.caption__meta {
	margin-top: 8px;
	font-family: var(--mono);
	font-size: 10.5px;
	letter-spacing: 0.04em;
	color: var(--ink-muted);
	display: flex;
	gap: 8px;
	align-items: center;
	flex-wrap: wrap;
}

.caption__sep {
	color: var(--ink-faint);
}

/* === Photo counter + reload (bottom-right cluster) === */
.bg-controls {
	position: fixed;
	right: clamp(20px, 4vw, 36px);
	bottom: clamp(20px, 3vw, 28px);
	z-index: 3;
	display: inline-flex;
	align-items: center;
	gap: 12px;
	color: var(--ink-muted);
	text-shadow: 0 1px 2px rgba(0,0,0,0.6);
}

.bg-count {
	font-family: var(--mono);
	font-size: 11px;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--ink-muted);
	font-variant-numeric: tabular-nums;
	transition: opacity 220ms ease;
}
.bg-count.is-changing { opacity: 0.3; }

.reload {
	width: 32px;
	height: 32px;
	border-radius: 50%;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	color: var(--ink-muted);
	border: 1px solid var(--rule);
	transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.reload:hover {
	color: var(--ink);
	border-color: var(--ink);
	background-color: rgba(255, 255, 255, 0.05);
}

.reload:focus-visible {
	outline: 1px solid var(--ink);
	outline-offset: 4px;
}

/* 360° spin animation triggered on click */
.reload.is-spinning {
	animation: reload-spin 600ms cubic-bezier(0.22, 0.94, 0.32, 1);
}

@keyframes reload-spin {
	from { transform: rotate(0deg); }
	to   { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
	.reload.is-spinning { animation: none; }
}

/* Coordinates clickable for permalink copy */
.caption__coords {
	cursor: pointer;
	transition: color 200ms ease;
	border-bottom: 1px dotted transparent;
}
.caption__coords:hover { color: var(--ink); border-bottom-color: var(--rule); }
.caption__coords:focus-visible { outline: 1px solid var(--ink); outline-offset: 4px; }

/* Toast (for permalink copy) */
.toast {
	position: fixed;
	bottom: 70px;
	left: 50%;
	transform: translateX(-50%) translateY(8px);
	z-index: 70;
	padding: 8px 16px;
	background: rgba(0, 0, 0, 0.7);
	-webkit-backdrop-filter: blur(8px);
	backdrop-filter: blur(8px);
	border: 1px solid var(--rule);
	border-radius: 999px;
	color: var(--ink);
	font-family: var(--mono);
	font-size: 10.5px;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	pointer-events: none;
	opacity: 0;
	transition: opacity 240ms ease, transform 240ms ease;
}
.toast.is-visible {
	opacity: 1;
	transform: translateX(-50%) translateY(0);
}
.toast::before {
	content: '✓';
	display: inline-block;
	margin-right: 8px;
	color: rgba(255, 255, 255, 0.9);
}

@media (prefers-reduced-motion: reduce) {
	.bg-stack { transition: none !important; transform: none !important; }
}

/* === Mobile === */
@media (max-width: 640px) {
	.stage {
		padding-top: 22vh;
		align-items: flex-start;
	}

	.content { transform: none; }

	.caption {
		max-width: calc(100% - 80px);
	}
}

/* Tighten on very narrow widths */
@media (max-width: 360px) {
	.wordmark { letter-spacing: 0.32em; }
	.nav-links { gap: 14px; }
}