@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Schibsted+Grotesk:wght@300;400;600&family=JetBrains+Mono:wght@300;400&display=swap");

@layer reset, base, layout, ui;

@layer reset {
	*,
	*::before,
	*::after {
		box-sizing: border-box;
		margin: 0;
		padding: 0;
	}
}

@layer base {
	:root {
		--bg: #06182f;
		--paper: #e0e8f0;
		--muted: #5a7a9a;
		--accent: #e0552f;
		--low: #e0896a;
		--high: #6a9fe0;
		--font-display: "Playfair Display", Georgia, serif;
		--font-body: "Schibsted Grotesk", system-ui, sans-serif;
		--font-mono: "JetBrains Mono", ui-monospace, monospace;
	}

	html,
	body {
		block-size: 100%;
	}

	body {
		background: var(--bg);
		color: var(--paper);
		font-family: var(--font-mono);
		overflow: hidden;
	}
}

@layer layout {
	.map {
		position: fixed;
		inset: 0;
		background: var(--bg);
		isolation: isolate;
	}

	.map::after {
		content: "";
		position: absolute;
		inset: 0;
		z-index: 1;
		pointer-events: none;
		background-image: repeating-linear-gradient(
				to right,
				color-mix(in oklab, var(--paper) 14%, transparent) 0 1px,
				transparent 1px 84px
			),
			repeating-linear-gradient(
				to bottom,
				color-mix(in oklab, var(--paper) 14%, transparent) 0 1px,
				transparent 1px 84px
			);
		opacity: 0.4;
	}

	#wind_canvas {
		position: absolute;
		inset: 0;
		z-index: 0;
		inline-size: 100%;
		block-size: 100%;
	}

	.markers {
		position: absolute;
		inset: 0;
		z-index: 2;
		pointer-events: none;
	}

	.markers .node-system {
		pointer-events: auto;
	}
}

@layer ui {
	/* Node system — dot + label + card */
	.node-system {
		position: absolute;
		inset-block-start: 0;
		inset-inline-start: 0;
		inline-size: var(--pressure-size, 7rem);
		block-size: var(--pressure-size, 7rem);
		pointer-events: none;
		will-change: transform;
		transition: opacity .4s;
	}

	/* Dot — always visible, clickable */
	.node-dot {
		position: absolute;
		inset: 50% auto auto 50%;
		transform: translate(-50%, -50%);
		inline-size: 3.2rem;
		block-size: 3.2rem;
		border-radius: 50%;
		border: 1.5px solid color-mix(in oklab, var(--paper) 45%, transparent);
		background: color-mix(in oklab, var(--bg) 80%, transparent);
		display: grid;
		place-items: center;
		font-size: 1.35rem;
		line-height: 1;
		pointer-events: auto;
		cursor: pointer;
		transition: transform .25s, border-color .25s, background .25s, box-shadow .25s;
		box-shadow: 0 0 12px rgba(0, 0, 0, 0.3);
		-webkit-tap-highlight-color: transparent;
		animation: dot-pulse 4s ease-in-out infinite;
	}

	.node-system:hover .node-dot,
	.node-system.touch-active .node-dot {
		transform: translate(-50%, -50%) scale(1.35);
		border-color: var(--accent);
		background: color-mix(in oklab, var(--accent) 15%, var(--bg));
		box-shadow: 0 0 24px color-mix(in oklab, var(--accent) 30%, transparent);
		animation: none;
	}

	@keyframes dot-pulse {
		0%, 100% { box-shadow: 0 0 12px rgba(0, 0, 0, 0.3), 0 0 0 0 color-mix(in oklab, var(--accent) 0%, transparent); }
		50% { box-shadow: 0 0 12px rgba(0, 0, 0, 0.3), 0 0 0 6px color-mix(in oklab, var(--accent) 8%, transparent); }
	}

	/* Label — always visible under dot */
	.node-label {
		position: absolute;
		inset: 50% 0 auto 50%;
		transform: translate(-50%, 1.4rem);
		font-family: var(--font-body);
		font-size: 0.62rem;
		font-weight: 600;
		letter-spacing: 0.14em;
		text-transform: uppercase;
		color: color-mix(in oklab, var(--paper) 75%, transparent);
		white-space: nowrap;
		pointer-events: none;
		text-align: center;
		transition: color .25s, opacity .25s;
		text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
	}

	.node-system:hover .node-label,
	.node-system.touch-active .node-label {
		color: var(--accent);
	}

	/* Card — appears on hover */
	.node-card {
		position: absolute;
		inset: 50% auto auto 50%;
		transform: translate(-50%, calc(-50% - 4.5rem));
		inline-size: 15rem;
		max-inline-size: 80vw;
		background: color-mix(in oklab, var(--bg) 92%, black);
		border: 1px solid color-mix(in oklab, var(--paper) 22%, transparent);
		border-radius: 12px;
		padding: 0.85rem 1rem;
		font-family: var(--font-body);
		text-decoration: none;
		pointer-events: none;
		opacity: 0;
		visibility: hidden;
		z-index: 10;
		box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
		transition: opacity .2s, visibility .2s, transform .2s;
		backdrop-filter: blur(8px);
	}

	.node-system:hover .node-card,
	.node-system.touch-active .node-card {
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
		transform: translate(-50%, calc(-50% - 3.5rem));
	}

	.nc-head {
		display: flex;
		align-items: center;
		gap: 0.5rem;
		margin-bottom: 0.5rem;
	}

	.nc-icon {
		font-size: 1.1rem;
	}

	.nc-title {
		font-family: var(--font-display);
		font-size: 1.1rem;
		font-weight: 700;
		color: var(--paper);
	}

	.nc-desc {
		font-size: 0.72rem;
		line-height: 1.4;
		color: color-mix(in oklab, var(--paper) 65%, transparent);
		margin-bottom: 0.4rem;
	}

	.nc-stats {
		font-family: var(--font-mono);
		font-size: 0.58rem;
		color: var(--accent);
		letter-spacing: 0.05em;
		margin-bottom: 0.5rem;
	}

	.nc-go {
		font-size: 0.65rem;
		color: color-mix(in oklab, var(--paper) 50%, transparent);
		text-align: right;
		font-family: var(--font-mono);
	}

	.node-card:hover {
		border-color: color-mix(in oklab, var(--accent) 40%, transparent);
	}

	/* Brand block — top left */
	.brand {
		position: fixed;
		z-index: 3;
		inset-block-start: clamp(1.5rem, 4vmin, 2.5rem);
		inset-inline-start: clamp(1.5rem, 4vmin, 2.5rem);
		pointer-events: none;
		animation: fade-in .8s ease-out .1s both;
	}

	.brand-name {
		font-family: var(--font-display);
		font-size: clamp(2.5rem, 7vmin, 4.5rem);
		font-weight: 700;
		line-height: 0.9;
		letter-spacing: 0.04em;
		color: var(--paper);
	}

	.brand-headline {
		margin-block-start: 0.6rem;
		font-family: var(--font-body);
		font-size: clamp(0.9rem, 2.8vmin, 1.3rem);
		font-weight: 600;
		color: var(--accent);
		letter-spacing: 0.02em;
	}

	.brand-sub {
		margin-block-start: 0.3rem;
		font-family: var(--font-mono);
		font-size: clamp(0.55rem, 1.8vmin, 0.72rem);
		font-weight: 300;
		letter-spacing: 0.1em;
		color: color-mix(in oklab, var(--paper) 55%, transparent);
	}

	.brand-cta {
		margin-block-start: 1.2rem;
		display: flex;
		align-items: center;
		gap: 1rem;
		pointer-events: auto;
	}

	.cta-btn {
		font-family: var(--font-body);
		font-size: clamp(0.6rem, 2vmin, 0.78rem);
		font-weight: 600;
		letter-spacing: 0.12em;
		text-transform: uppercase;
		color: var(--bg);
		background: var(--accent);
		padding: 0.55rem 1.1rem;
		border-radius: 6px;
		text-decoration: none;
		transition: transform .2s, box-shadow .2s, background .2s;
		box-shadow: 0 4px 16px color-mix(in oklab, var(--accent) 30%, transparent);
	}

	.cta-btn:hover {
		transform: translateY(-1px);
		box-shadow: 0 6px 24px color-mix(in oklab, var(--accent) 45%, transparent);
		background: color-mix(in oklab, var(--accent) 90%, white 10%);
	}

	.cta-link {
		font-family: var(--font-mono);
		font-size: clamp(0.55rem, 1.8vmin, 0.7rem);
		font-weight: 400;
		letter-spacing: 0.12em;
		text-transform: uppercase;
		color: color-mix(in oklab, var(--paper) 65%, transparent);
		text-decoration: none;
		border: 1px solid color-mix(in oklab, var(--paper) 20%, transparent);
		padding: 0.5rem 0.9rem;
		border-radius: 6px;
		transition: color .2s, border-color .2s;
	}

	.cta-link:hover {
		color: var(--paper);
		border-color: color-mix(in oklab, var(--paper) 40%, transparent);
	}

	@keyframes fade-in {
		from { opacity: 0; transform: translateY(8px); }
		to { opacity: 1; transform: translateY(0); }
	}

	.mode-panel {
		position: fixed;
		z-index: 3;
		inset-block-end: clamp(1rem, 3vmin, 2rem);
		inset-inline-end: clamp(1rem, 3vmin, 2rem);
		display: flex;
		flex-wrap: wrap;
		justify-content: flex-end;
		gap: 0.35rem;
		max-inline-size: min(34rem, calc(100vw - 2rem));
		animation: fade-in .8s ease-out .4s both;
	}

	.mode-panel button {
		appearance: none;
		border: 1px solid color-mix(in oklab, var(--paper) 16%, transparent);
		padding: 0.42rem 0.58rem;
		font-family: var(--font-mono);
		font-size: 0.55rem;
		letter-spacing: 0.16em;
		text-transform: uppercase;
		color: color-mix(in oklab, var(--paper) 68%, transparent);
		background: color-mix(in oklab, var(--bg) 72%, transparent);
		cursor: pointer;
		transition: color .2s, border-color .2s, background .2s;
	}

	.mode-panel button:hover,
	.mode-panel button:focus-visible {
		color: var(--paper);
		border-color: color-mix(in oklab, var(--paper) 38%, transparent);
	}

	.mode-panel button.is-active {
		color: var(--accent);
		border-color: color-mix(in oklab, var(--accent) 50%, transparent);
		background: color-mix(in oklab, var(--accent) 8%, var(--bg));
	}
}

@media (max-width: 46rem) {
	@layer ui {
		.node-dot {
			inline-size: 2.8rem;
			block-size: 2.8rem;
			font-size: 1.2rem;
		}

		.node-label {
			font-size: 0.55rem;
		}

		.brand-intro {
			font-size: 0.55rem;
		}

		.mode-panel {
			inset-block-end: clamp(1rem, 3vmin, 2rem);
			inset-inline-start: clamp(1rem, 3vmin, 2rem);
			inset-inline-end: auto;
			justify-content: flex-start;
		}

		.mode-panel button {
			font-size: 0.5rem;
			padding: 0.36rem 0.48rem;
		}
	}
}