/*
 * ERDI R15 foundation
 * BLACKBOX RANGE HUD / Optical OS
 * Scope: shared tokens and components. Route-specific CSS must consume these
 * variables instead of redefining brand colors.
 */

@font-face {
	font-family: R15Archivo;
	src: url('../fonts/archivo/archivo-latin-tech.woff2') format('woff2');
	font-style: normal;
	font-weight: 400 700;
	font-display: swap;
}

@font-face {
	font-family: R15Plex;
	src: url('../fonts/ibm-plex/ibm-plex-sans-400-latin.woff2') format('woff2');
	font-style: normal;
	font-weight: 400;
	font-display: swap;
}

@font-face {
	font-family: R15Plex;
	src: url('../fonts/ibm-plex/ibm-plex-sans-500-latin.woff2') format('woff2');
	font-style: normal;
	font-weight: 500;
	font-display: swap;
}

@font-face {
	font-family: R15Plex;
	src: url('../fonts/ibm-plex/ibm-plex-sans-600-latin.woff2') format('woff2');
	font-style: normal;
	font-weight: 600;
	font-display: swap;
}

@font-face {
	font-family: R15Mono;
	src: url('../fonts/ibm-plex/ibm-plex-mono-500-latin.woff2') format('woff2');
	font-style: normal;
	font-weight: 500;
	font-display: swap;
}

:root {
	--erdi-r15-ink-void: #040511;
	--erdi-r15-stage: #070a18;
	--erdi-r15-stage-deep: #03040c;
	--erdi-r15-stage-raised: #10142a;
	--erdi-r15-panel: #11162a;
	--erdi-r15-panel-raised: #1a2140;
	--erdi-r15-cold: #eef2f3;
	--erdi-r15-cold-ink: #10181c;
	--erdi-r15-cold-muted: #526168;
	--erdi-r15-cold-line: #c8d3d7;
	--erdi-r15-ink: #f4f7f7;
	--erdi-r15-ink-soft: #d8e0e0;
	--erdi-r15-muted: #a7b2b3;
	--erdi-r15-dim: #718083;
	--erdi-r15-cyan: #57ecff;
	--erdi-r15-violet: #a67cff;
	--erdi-r15-ember: #ff9d51;
	--erdi-r15-signal: #ff594d;
	--erdi-r15-signal-hover: #ff806f;
	--erdi-r15-signal-deep: #c63c3b;
	--erdi-r15-telemetry: #8debff;
	--erdi-r15-telemetry-a: rgba(141, 235, 255, .78);
	--erdi-r15-telemetry-line: rgba(171, 194, 255, .35);
	--erdi-r15-line: rgba(171, 194, 255, .20);
	--erdi-r15-line-strong: rgba(171, 194, 255, .48);
	--erdi-r15-focus: #57ecff;
	--erdi-r15-grad-signal: linear-gradient(110deg, #57ecff 0%, #a67cff 48%, #ff9d51 100%);
	--erdi-r15-grad-atmosphere: radial-gradient(ellipse at 18% 18%, rgba(87, 236, 255, .34), transparent 42%), radial-gradient(ellipse at 88% 74%, rgba(255, 157, 81, .28), transparent 44%), radial-gradient(ellipse at 58% 48%, rgba(166, 124, 255, .26), transparent 52%);
	--erdi-r15-glass: rgba(9, 11, 24, .46);
	--erdi-r15-glass-strong: rgba(9, 11, 24, .72);
	--erdi-r15-glass-line: rgba(171, 194, 255, .35);
	--erdi-r15-glow-cyan: 0 0 28px rgba(87, 236, 255, .38), 0 0 72px rgba(87, 236, 255, .14);
	--erdi-r15-glow-violet: 0 0 32px rgba(166, 124, 255, .30), 0 0 84px rgba(166, 124, 255, .12);
	--erdi-r15-glow-ember: 0 0 30px rgba(255, 157, 81, .46), 0 0 78px rgba(255, 157, 81, .16);
	--erdi-r15-glass-blur: 18px;
	--erdi-r15-grain-opacity: .12;
	--erdi-r15-scan-opacity: .16;
	--erdi-r15-orbit-opacity: .72;
	--erdi-r15-orbit-speed: 42s;
	--erdi-r15-signal-speed: 6.8s;
	--erdi-r15-display-weight: 700;
	--erdi-r15-display-tracking: -.055em;
	--erdi-r15-display-leading: .86;
	--erdi-r15-radius-glass: 18px;
	--erdi-r15-display: R15Archivo, Archivo, Arial, sans-serif;
	--erdi-r15-body: R15Plex, 'IBM Plex Sans', Arial, sans-serif;
	--erdi-r15-mono: R15Mono, 'IBM Plex Mono', ui-monospace, monospace;
	--erdi-r15-text-xs: 12px;
	--erdi-r15-text-sm: 14px;
	--erdi-r15-text-md: 16px;
	--erdi-r15-text-lg: 20px;
	--erdi-r15-text-xl: clamp(28px, 3vw, 44px);
	--erdi-r15-display-sm: clamp(44px, 7vw, 88px);
	--erdi-r15-display-lg: clamp(54px, 8.2vw, 122px);
	--erdi-r15-shell: min(1320px, calc(100vw - 96px));
	--erdi-r15-gutter: 48px;
	--erdi-r15-grid-gap: 24px;
	--erdi-r15-radius-control: 2px;
	--erdi-r15-radius-panel: 4px;
	--erdi-r15-radius-pill: 999px;
	--erdi-r15-stroke: 1px;
	--erdi-r15-s1: 4px;
	--erdi-r15-s2: 8px;
	--erdi-r15-s3: 12px;
	--erdi-r15-s4: 16px;
	--erdi-r15-s5: 24px;
	--erdi-r15-s6: 32px;
	--erdi-r15-s7: 48px;
	--erdi-r15-s8: 64px;
	--erdi-r15-s9: 80px;
	--erdi-r15-s10: 112px;
	--erdi-r15-section: clamp(72px, 9vw, 128px);
	--erdi-r15-ease-standard: cubic-bezier(.2, .8, .2, 1);
	--erdi-r15-ease-out: cubic-bezier(.16, 1, .3, 1);
	--erdi-r15-ease-in: cubic-bezier(.7, 0, .84, 0);
	--erdi-r15-ease-linear: linear;
	--erdi-r15-t-press: 120ms;
	--erdi-r15-t-fast: 180ms;
	--erdi-r15-t-reveal: 280ms;
	--erdi-r15-t-panel: 420ms;
	--erdi-r15-t-calibrate: 420ms;
	--erdi-r15-t-section: 680ms;
	--erdi-r15-t-hero: 900ms;
	--erdi-r15-glow-signal: 0 0 24px rgba(255, 91, 56, .18);
	--erdi-r15-glow-telemetry: 0 0 18px rgba(127, 216, 230, .12);
}

@media (max-width: 767px) {
	:root {
		--erdi-r15-shell: calc(100vw - 40px);
		--erdi-r15-gutter: 20px;
		--erdi-r15-grid-gap: 12px;
		--erdi-r15-section: 72px;
	}
}

html {
	background: var(--erdi-r15-stage-deep);
	color-scheme: dark;
}

body {
	margin: 0;
	background: var(--erdi-r15-stage);
	color: var(--erdi-r15-ink);
	font-family: var(--erdi-r15-body);
	font-size: var(--erdi-r15-text-md);
	line-height: 1.55;
	text-rendering: optimizeLegibility;
}

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

img,
svg,
video,
canvas {
	display: block;
	max-width: 100%;
}

button,
input,
select,
textarea {
	font: inherit;
}

a {
	color: inherit;
}

.erdi-r15-shell {
	width: var(--erdi-r15-shell);
	margin-inline: auto;
}

.erdi-r15-main {
	min-width: 0;
	overflow: clip;
	background: var(--erdi-r15-stage);
}

.erdi-r15-display,
.erdi-r15-main h1,
.erdi-r15-main h2,
.erdi-r15-main h3 {
	font-family: var(--erdi-r15-display);
	font-weight: var(--erdi-r15-display-weight);
	letter-spacing: var(--erdi-r15-display-tracking);
	line-height: var(--erdi-r15-display-leading);
}

.erdi-r15-main h1 {
	font-size: var(--erdi-r15-display-lg);
	font-weight: var(--erdi-r15-display-weight);
	letter-spacing: var(--erdi-r15-display-tracking);
	line-height: var(--erdi-r15-display-leading);
}

.erdi-r15-main h2 {
	font-size: clamp(32px, 4.5vw, 64px);
	font-weight: var(--erdi-r15-display-weight);
}

.erdi-r15-main h3 {
	font-size: clamp(20px, 2vw, 30px);
	font-weight: var(--erdi-r15-display-weight);
	letter-spacing: -.02em;
	line-height: 1.02;
}

.erdi-r15-main p {
	max-width: 62ch;
}

.erdi-r15-eyebrow,
.erdi-r15-mono,
.erdi-r15-telemetry,
.erdi-r15-section-index {
	font-family: var(--erdi-r15-mono);
	font-size: var(--erdi-r15-text-xs);
	font-weight: 500;
	letter-spacing: .08em;
	line-height: 1.25;
	text-transform: uppercase;
}

.erdi-r15-eyebrow {
	color: var(--erdi-r15-telemetry-a);
}

.erdi-r15-muted {
	color: var(--erdi-r15-muted);
}

.erdi-r15-dim {
	color: var(--erdi-r15-dim);
}

.erdi-r15-button {
	align-items: center;
	border: var(--erdi-r15-stroke) solid transparent;
	border-radius: var(--erdi-r15-radius-control);
	display: inline-flex;
	font-family: var(--erdi-r15-mono);
	font-size: 12px;
	font-weight: 500;
	gap: 12px;
	justify-content: center;
	letter-spacing: .055em;
	line-height: 1;
	min-height: 48px;
	padding: 0 20px;
	text-decoration: none;
	text-transform: uppercase;
	transition: background-color var(--erdi-r15-t-fast) var(--erdi-r15-ease-standard), border-color var(--erdi-r15-t-fast) var(--erdi-r15-ease-standard), color var(--erdi-r15-t-fast) var(--erdi-r15-ease-standard), transform var(--erdi-r15-t-press) var(--erdi-r15-ease-out);
}

.erdi-r15-button:hover {
	transform: translateY(-1px);
}

.erdi-r15-button:active {
	transform: translateY(1px);
}

.erdi-r15-button--signal {
	background: var(--erdi-r15-signal);
	color: var(--erdi-r15-stage-deep);
}

.erdi-r15-button--signal:hover {
	background: var(--erdi-r15-signal-hover);
	box-shadow: var(--erdi-r15-glow-signal);
	color: var(--erdi-r15-stage-deep);
}

.erdi-r15-button--outline {
	background: transparent;
	border-color: var(--erdi-r15-line-strong);
	color: var(--erdi-r15-ink);
}

.erdi-r15-button--outline:hover {
	border-color: var(--erdi-r15-focus);
	color: var(--erdi-r15-focus);
}

.erdi-r15-button--quiet {
	background: transparent;
	border-bottom-color: var(--erdi-r15-line-strong);
	border-left-color: transparent;
	border-right-color: transparent;
	border-radius: 0;
	border-top-color: transparent;
	color: var(--erdi-r15-ink-soft);
	padding-inline: 0;
}

.erdi-r15-button:focus-visible,
.erdi-r15-link:focus-visible,
.erdi-r15-header a:focus-visible,
.erdi-r15-header button:focus-visible,
.erdi-r15-footer a:focus-visible,
.erdi-r15-support-launcher:focus-visible {
	outline: 2px solid var(--erdi-r15-focus);
	outline-offset: 4px;
}

.erdi-r15-link {
	align-items: center;
	display: inline-flex;
	font-family: var(--erdi-r15-mono);
	font-size: 12px;
	gap: 10px;
	letter-spacing: .06em;
	text-decoration: none;
	text-transform: uppercase;
	transition: color var(--erdi-r15-t-fast) var(--erdi-r15-ease-standard);
}

.erdi-r15-link::after {
	content: '↗';
	transition: transform var(--erdi-r15-t-fast) var(--erdi-r15-ease-out);
}

.erdi-r15-link:hover {
	color: var(--erdi-r15-signal);
}

.erdi-r15-link:hover::after {
	transform: translate(2px, -2px);
}

.erdi-r15-panel {
	background: var(--erdi-r15-panel);
	border: var(--erdi-r15-stroke) solid var(--erdi-r15-line);
	border-radius: var(--erdi-r15-radius-panel);
}

.erdi-r15-panel--cold {
	background: var(--erdi-r15-cold);
	border-color: var(--erdi-r15-cold-line);
	color: var(--erdi-r15-cold-ink);
}

.erdi-r15-telemetry {
	color: var(--erdi-r15-telemetry-a);
	display: grid;
	gap: 3px;
	text-transform: uppercase;
}

.erdi-r15-telemetry b {
	color: var(--erdi-r15-telemetry-a);
	font-weight: 500;
}

.erdi-r15-telemetry strong {
	color: var(--erdi-r15-ink);
	font-size: 14px;
	font-weight: 500;
	letter-spacing: .025em;
	text-transform: none;
}

.erdi-r15-telemetry--cold b,
.erdi-r15-telemetry--cold strong {
	color: var(--erdi-r15-cold-ink);
}

.erdi-r15-rule {
	background: var(--erdi-r15-line);
	height: 1px;
	width: 100%;
}

.erdi-r15-signal-rule {
	background: var(--erdi-r15-signal);
	box-shadow: var(--erdi-r15-glow-signal);
	height: 1px;
	width: 100%;
}

.erdi-r15-cold-panel {
	background: var(--erdi-r15-cold);
	border: 1px solid var(--erdi-r15-cold-line);
	color: var(--erdi-r15-cold-ink);
	max-width: 100%;
}

.erdi-r15-cold-panel table {
	border-collapse: collapse;
	width: 100%;
}

.erdi-r15-cold-panel th,
.erdi-r15-cold-panel td {
	border-bottom: 1px solid var(--erdi-r15-cold-line);
	padding: 14px 16px;
	text-align: left;
	vertical-align: top;
}

.erdi-r15-cold-panel th {
	font-family: var(--erdi-r15-mono);
	font-size: 12px;
	font-weight: 500;
	letter-spacing: .06em;
	text-transform: uppercase;
}

.erdi-r15-cold-panel tr:last-child th,
.erdi-r15-cold-panel tr:last-child td {
	border-bottom: 0;
}

.erdi-r15-filter-bar {
	background: rgba(8, 11, 13, .98);
	border-bottom: 1px solid var(--erdi-r15-line);
	border-top: 1px solid var(--erdi-r15-line);
	padding: 12px 0;
	position: sticky;
	top: 56px;
	z-index: 20;
}

.erdi-r15-filter-bar input,
.erdi-r15-filter-bar select,
.erdi-r15-form input,
.erdi-r15-form select,
.erdi-r15-form textarea {
	background: var(--erdi-r15-stage-raised);
	border: 1px solid var(--erdi-r15-line-strong);
	border-radius: var(--erdi-r15-radius-control);
	color: var(--erdi-r15-ink);
	min-height: 48px;
	padding: 0 14px;
	width: 100%;
}

.erdi-r15-form textarea {
	min-height: 132px;
	padding-block: 12px;
	resize: vertical;
}

.erdi-r15-filter-bar input:focus,
.erdi-r15-filter-bar select:focus,
.erdi-r15-form input:focus,
.erdi-r15-form select:focus,
.erdi-r15-form textarea:focus {
	border-color: var(--erdi-r15-focus);
	box-shadow: 0 0 0 2px rgba(127, 216, 230, .16);
	outline: 0;
}

.erdi-r15-spec-panel {
	background: var(--erdi-r15-cold);
	border: 1px solid var(--erdi-r15-cold-line);
	color: var(--erdi-r15-cold-ink);
}

.erdi-r15-support-launcher {
	align-items: center;
	background: var(--erdi-r15-signal);
	border: 0;
	border-radius: var(--erdi-r15-radius-pill);
	bottom: 20px;
	box-shadow: var(--erdi-r15-glow-signal);
	color: var(--erdi-r15-stage-deep);
	display: inline-flex;
	font-family: var(--erdi-r15-mono);
	font-size: 12px;
	font-weight: 500;
	gap: 8px;
	letter-spacing: .04em;
	min-height: 48px;
	padding: 0 18px;
	position: fixed;
	right: 20px;
	text-decoration: none;
	text-transform: uppercase;
	z-index: 50;
}

.erdi-r15-empty-state {
	background: var(--erdi-r15-stage-raised);
	border: 1px solid var(--erdi-r15-line);
	padding: clamp(32px, 7vw, 80px);
	position: relative;
}

.erdi-r15-empty-state::before {
	background: var(--erdi-r15-signal);
	content: '';
	height: 1px;
	left: 0;
	position: absolute;
	top: 0;
	width: min(180px, 50%);
}

.erdi-r15-header {
	background: var(--erdi-r15-stage);
	border-bottom: 1px solid var(--erdi-r15-telemetry-line);
	color: var(--erdi-r15-ink);
	position: relative;
	z-index: 40;
}

.erdi-r15-header.is-scrolled {
	box-shadow: 0 8px 24px rgba(0, 0, 0, .16);
}

.erdi-r15-footer {
	background: var(--erdi-r15-stage-deep);
	border-top: 1px solid var(--erdi-r15-line);
	color: var(--erdi-r15-ink-soft);
}

.erdi-r15-main [data-erdi-r15-calibrate] {
	font-variant-numeric: tabular-nums;
}

@media (max-width: 767px) {
	.erdi-r15-main h1 {
		font-size: clamp(48px, 15vw, 68px);
	}

	.erdi-r15-main h2 {
		font-size: clamp(32px, 11vw, 48px);
	}

	.erdi-r15-button {
		min-height: 48px;
		padding-inline: 16px;
	}

	.erdi-r15-filter-bar {
		top: 56px;
	}

	.erdi-r15-cold-panel th,
	.erdi-r15-cold-panel td {
		padding: 12px;
	}

	.erdi-r15-support-launcher {
		bottom: 14px;
		right: 14px;
	}
}