/* devtee — landing page */

:root {
	--bg: #ffffff;
	--bg-soft: #fafafa;
	--surface: #ffffff;
	--ink: #09090b;
	--ink-soft: #18181b;
	--ink-2: #3f3f46;
	--muted: #71717a;
	--muted-2: #a1a1aa;
	--hairline: #e4e4e7;
	--hairline-strong: #d4d4d8;

	--accent: #1f47ff;
	--accent-soft: #eef1ff;
	--accent-ink: #1736b5;
	--accent-tint: #dee4ff;

	--ok: #15803d;

	--dark: #09090b;
	--dark-2: #0f0f11;
	--dark-ink: #fafafa;
	--dark-muted: #71717a;
	--dark-hairline: #27272a;
	--dark-card: #131316;

	--font-sans:
		"Geist", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
	--font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

	--max: 1240px;
	--gutter: clamp(20px, 4vw, 56px);
	--radius-sm: 6px;
	--radius: 10px;
	--radius-lg: 14px;
}

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

html {
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	background: var(--bg);
	color: var(--ink);
	font-family: var(--font-sans);
	font-weight: 400;
	font-size: 16px;
	line-height: 1.55;
	font-feature-settings: "ss01", "ss03", "cv01", "cv11";
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

a {
	color: inherit;
	text-decoration: none;
}

::selection {
	background: var(--accent);
	color: #fff;
}

/* ---------- helpers ---------- */

.overline {
	font-family: var(--font-mono);
	font-size: 11.5px;
	font-weight: 500;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	color: var(--muted);
	margin: 0 0 18px;
}

.overline--light {
	color: var(--muted-2);
}

.eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: var(--font-mono);
	font-size: 12px;
	font-weight: 500;
	letter-spacing: 0.01em;
	color: var(--ink-soft);
	padding: 6px 12px 6px 10px;
	border: 1px solid var(--hairline);
	border-radius: 999px;
	background: var(--bg);
	margin-bottom: 32px;
	box-shadow: 0 1px 0 rgba(9, 9, 11, 0.02);
}

.eyebrow__dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--accent);
	box-shadow: 0 0 0 4px rgba(31, 71, 255, 0.1);
}

.section-head {
	max-width: 760px;
	margin-bottom: 56px;
}

.section-title {
	font-family: var(--font-sans);
	font-weight: 500;
	font-size: clamp(32px, 3.6vw, 44px);
	line-height: 1.08;
	letter-spacing: -0.022em;
	margin: 0 0 18px;
	color: var(--ink);
	text-wrap: balance;
}

.section-sub {
	font-size: 18px;
	color: var(--ink-2);
	max-width: 60ch;
	margin: 0;
	line-height: 1.55;
}

.hl {
	color: var(--accent);
	font-weight: 500;
}

.dot {
	display: inline-block;
	width: 7px;
	height: 7px;
	border-radius: 50%;
	vertical-align: 1px;
	margin-right: 6px;
}
.dot--ok {
	background: var(--ok);
	box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.1);
}

/* ---------- nav ---------- */

.nav {
	position: sticky;
	top: 0;
	z-index: 50;
	backdrop-filter: blur(12px) saturate(140%);
	-webkit-backdrop-filter: blur(12px) saturate(140%);
	background: rgba(255, 255, 255, 0.78);
	border-bottom: 1px solid var(--hairline);
}

.nav__inner {
	max-width: var(--max);
	margin: 0 auto;
	padding: 14px var(--gutter);
	display: flex;
	align-items: center;
	gap: 32px;
}

.wordmark {
	display: inline-flex;
	align-items: center;
	gap: 9px;
	font-weight: 600;
	font-size: 15px;
	letter-spacing: -0.018em;
	color: var(--ink);
}

.wordmark__mark {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 24px;
	height: 24px;
	border-radius: 6px;
	background: var(--ink);
	color: var(--bg);
}
.wordmark__mark svg {
	width: 14px;
	height: 14px;
}

.wordmark--footer .wordmark__mark {
	width: 22px;
	height: 22px;
	border-radius: 5px;
}

.nav__links {
	display: flex;
	gap: 24px;
	margin-left: 8px;
}

.nav__links a {
	font-size: 14px;
	font-weight: 500;
	color: var(--ink-2);
	transition: color 160ms ease;
}
.nav__links a:hover {
	color: var(--ink);
}

.nav__cta {
	margin-left: auto;
	display: flex;
	align-items: center;
	gap: 12px;
}

.link-quiet {
	font-size: 14px;
	font-weight: 500;
	color: var(--ink-2);
}
.link-quiet:hover {
	color: var(--ink);
}

/* ---------- buttons ---------- */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	font-family: var(--font-sans);
	font-size: 14.5px;
	font-weight: 500;
	letter-spacing: -0.005em;
	padding: 11px 18px;
	border-radius: 8px;
	border: 1px solid transparent;
	cursor: pointer;
	transition:
		transform 140ms ease,
		background 140ms ease,
		color 140ms ease,
		border-color 140ms ease,
		box-shadow 140ms ease;
	white-space: nowrap;
}

.btn--sm {
	padding: 8px 14px;
	font-size: 13.5px;
}

.btn--primary {
	background: var(--ink);
	color: var(--bg);
	border-color: var(--ink);
	box-shadow:
		inset 0 1px 0 rgba(255, 255, 255, 0.08),
		0 1px 0 rgba(9, 9, 11, 0.06),
		0 8px 24px -12px rgba(9, 9, 11, 0.35);
}
.btn--primary:hover {
	transform: translateY(-1px);
	box-shadow:
		inset 0 1px 0 rgba(255, 255, 255, 0.08),
		0 1px 0 rgba(9, 9, 11, 0.06),
		0 12px 28px -12px rgba(9, 9, 11, 0.45);
}

.btn--secondary {
	background: var(--bg);
	color: var(--ink);
	border-color: var(--hairline-strong);
}
.btn--secondary:hover {
	border-color: var(--ink);
}

/* ---------- hero ---------- */

.hero {
	max-width: var(--max);
	margin: 0 auto;
	padding: clamp(72px, 11vw, 128px) var(--gutter) clamp(72px, 9vw, 112px);
	position: relative;
}

.hero::after {
	/* faint gridded backdrop, never dominant */
	content: "";
	position: absolute;
	inset: 0;
	pointer-events: none;
	background-image:
		linear-gradient(to right, var(--hairline) 1px, transparent 1px),
		linear-gradient(to bottom, var(--hairline) 1px, transparent 1px);
	background-size: 64px 64px;
	background-position: -1px -1px;
	mask-image: radial-gradient(
		ellipse at 50% 0%,
		rgba(0, 0, 0, 0.16) 0%,
		transparent 65%
	);
	-webkit-mask-image: radial-gradient(
		ellipse at 50% 0%,
		rgba(0, 0, 0, 0.16) 0%,
		transparent 65%
	);
	z-index: 0;
}

.hero__inner {
	position: relative;
	z-index: 1;
	max-width: 880px;
}

.display {
	font-family: var(--font-sans);
	font-weight: 600;
	font-size: clamp(40px, 5.8vw, 76px);
	line-height: 1.02;
	letter-spacing: -0.036em;
	margin: 0 0 28px;
	color: var(--ink);
	text-wrap: balance;
}

.display em {
	font-style: italic;
	font-weight: 500;
}

.lede {
	font-size: clamp(16px, 1.6vw, 22px);
	line-height: 1.5;
	color: var(--ink-2);
	max-width: 60ch;
	margin: 0 0 36px;
}

.cta-row {
	display: flex;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
}

.hero__meta {
	position: relative;
	z-index: 1;
	margin-top: 32px;
	display: flex;
	align-items: center;
	gap: 12px;
	flex-wrap: wrap;
	font-family: var(--font-mono);
	font-size: 12.5px;
	letter-spacing: 0;
	color: var(--muted);
}
.hero__meta .sep {
	color: var(--hairline-strong);
}

/* ---------- trust strip ---------- */

.trust {
	border-top: 1px solid var(--hairline);
	border-bottom: 1px solid var(--hairline);
	background: var(--bg-soft);
}

.trust__inner {
	max-width: var(--max);
	margin: 0 auto;
	padding: 28px var(--gutter);
	display: flex;
	align-items: center;
	gap: 32px;
	flex-wrap: wrap;
	justify-content: space-between;
}

.trust__label {
	font-family: var(--font-mono);
	font-size: 11.5px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--muted);
	margin: 0;
	flex-shrink: 0;
}

.trust__row {
	display: flex;
	align-items: center;
	gap: 18px;
	flex-wrap: wrap;
	font-size: 14px;
	color: var(--ink-soft);
	font-weight: 500;
	letter-spacing: -0.005em;
}

.trust__sep {
	width: 3px;
	height: 3px;
	background: var(--hairline-strong);
	border-radius: 50%;
}

/* ---------- thesis ---------- */

.thesis {
	background: var(--bg);
	border-bottom: 1px solid var(--hairline);
}

.thesis__inner {
	max-width: var(--max);
	margin: 0 auto;
	padding: clamp(80px, 11vw, 144px) var(--gutter);
}

.thesis__text {
	font-family: var(--font-sans);
	font-weight: 500;
	font-size: clamp(26px, 3.2vw, 40px);
	line-height: 1.18;
	letter-spacing: -0.022em;
	color: var(--ink);
	margin: 0 0 28px;
	max-width: 32ch;
	text-wrap: balance;
}

.thesis__sub {
	font-size: 18px;
	color: var(--ink-2);
	max-width: 56ch;
	margin: 0;
}

/* ---------- who ---------- */

.who {
	max-width: var(--max);
	margin: 0 auto;
	padding: clamp(80px, 10vw, 128px) var(--gutter);
	border-top: 1px solid var(--hairline);
}

.who-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
}

.who-card {
	padding: 26px;
	background: var(--bg);
	border: 1px solid var(--hairline);
	border-radius: var(--radius);
	display: flex;
	flex-direction: column;
	gap: 14px;
	transition:
		border-color 200ms ease,
		background 200ms ease;
}

.who-card:hover {
	border-color: var(--hairline-strong);
	background: var(--bg-soft);
}

.who-card__tag {
	font-family: var(--font-mono);
	font-size: 11.5px;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--accent);
	align-self: flex-start;
	padding: 4px 8px;
	background: var(--accent-soft);
	border: 1px solid var(--accent-tint);
	border-radius: 6px;
}

.who-card__body {
	font-size: 15.5px;
	line-height: 1.5;
	color: var(--ink-soft);
	margin: 0;
	letter-spacing: -0.005em;
}

.who-card--more {
	background: linear-gradient(180deg, var(--bg) 0%, var(--accent-soft) 200%);
	border-style: dashed;
}

.who-card--more .who-card__tag {
	color: var(--ink);
	background: var(--bg);
	border-color: var(--hairline-strong);
}

/* ---------- privacy (dark panel) ---------- */

.privacy {
	background: var(--dark);
	color: var(--dark-ink);
	position: relative;
	overflow: hidden;
}

.privacy::before {
	content: "";
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(to right, var(--dark-hairline) 1px, transparent 1px),
		linear-gradient(to bottom, var(--dark-hairline) 1px, transparent 1px);
	background-size: 64px 64px;
	background-position: -1px -1px;
	mask-image: radial-gradient(
		ellipse at 50% 0%,
		rgba(0, 0, 0, 0.5) 0%,
		transparent 70%
	);
	-webkit-mask-image: radial-gradient(
		ellipse at 50% 0%,
		rgba(0, 0, 0, 0.5) 0%,
		transparent 70%
	);
	pointer-events: none;
	opacity: 0.55;
}

.privacy__inner {
	position: relative;
	max-width: var(--max);
	margin: 0 auto;
	padding: clamp(80px, 10vw, 128px) var(--gutter);
}

.privacy__title {
	font-family: var(--font-sans);
	font-weight: 500;
	font-size: clamp(30px, 3.6vw, 44px);
	line-height: 1.1;
	letter-spacing: -0.022em;
	color: var(--dark-ink);
	margin: 0 0 18px;
	max-width: 24ch;
	text-wrap: balance;
}

.privacy__body {
	font-size: 18px;
	line-height: 1.55;
	color: #c7c7cc;
	max-width: 60ch;
	margin: 0 0 48px;
}

.privacy__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
}

.privacy__card {
	padding: 22px;
	background: var(--dark-card);
	border: 1px solid var(--dark-hairline);
	border-radius: var(--radius);
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.privacy__card h3 {
	font-family: var(--font-sans);
	font-weight: 500;
	font-size: 15.5px;
	letter-spacing: -0.015em;
	margin: 4px 0 2px;
	color: var(--dark-ink);
}

.privacy__card p {
	font-size: 13.5px;
	line-height: 1.5;
	color: #9f9fa8;
	margin: 0;
}

.privacy__icon {
	width: 26px;
	height: 26px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 11px;
	color: var(--accent);
	background: rgba(31, 71, 255, 0.12);
	border: 1px solid rgba(31, 71, 255, 0.28);
	border-radius: 6px;
	margin-bottom: 8px;
}

/* ---------- cta ---------- */

.cta {
	background:
		radial-gradient(ellipse at 50% 0%, var(--accent-soft) 0%, var(--bg) 65%),
		var(--bg);
	border-top: 1px solid var(--hairline);
}

.cta__inner {
	max-width: 760px;
	margin: 0 auto;
	padding: clamp(80px, 10vw, 128px) var(--gutter);
	text-align: center;
}

.cta__overline {
	color: var(--accent);
}

.cta__title {
	font-family: var(--font-sans);
	font-weight: 500;
	font-size: clamp(32px, 4vw, 52px);
	line-height: 1.08;
	letter-spacing: -0.025em;
	margin: 0 0 20px;
	color: var(--ink);
	max-width: 22ch;
	margin-left: auto;
	margin-right: auto;
	text-wrap: balance;
}

.cta__sub {
	font-size: 18px;
	color: var(--ink-2);
	margin: 0 auto 36px;
	max-width: 58ch;
}

.cta__form {
	display: flex;
	gap: 10px;
	max-width: 480px;
	margin: 0 auto;
	align-items: stretch;
}

.cta__form input {
	flex: 1;
	font-family: var(--font-sans);
	font-size: 15px;
	color: var(--ink);
	padding: 12px 16px;
	background: var(--bg);
	border: 1px solid var(--hairline-strong);
	border-radius: 8px;
	outline: none;
	transition:
		border-color 140ms ease,
		box-shadow 140ms ease;
}
.cta__form input:focus {
	border-color: var(--accent);
	box-shadow: 0 0 0 4px rgba(31, 71, 255, 0.14);
}
.cta__form input::placeholder {
	color: var(--muted-2);
}

.cta__note {
	font-size: 13.5px;
	color: var(--muted);
	margin: 22px 0 0;
}
.cta__note a {
	color: var(--accent);
}
.cta__note a:hover {
	text-decoration: underline;
}

.cta__success {
	max-width: 480px;
	margin: 0 auto;
	padding: 14px 18px;
	background: var(--bg);
	border: 1px solid var(--hairline-strong);
	border-radius: 8px;
	color: var(--ink);
	font-size: 15px;
	text-align: center;
}
.cta__error {
	max-width: 480px;
	margin: 10px auto 0;
	color: #b3261e;
	font-size: 13.5px;
	text-align: center;
}

/* ---------- footer ---------- */

.footer {
	background: var(--bg);
	border-top: 1px solid var(--hairline);
}

.footer__inner {
	max-width: var(--max);
	margin: 0 auto;
	padding: 56px var(--gutter) 32px;
	display: grid;
	grid-template-columns: 2fr 1fr 1fr 1fr;
	gap: 32px;
}

.footer__col {
	display: flex;
	flex-direction: column;
	gap: 10px;
	font-size: 14px;
	color: var(--ink-2);
}

.footer__col a {
	font-size: 14px;
	color: var(--muted);
	transition: color 160ms ease;
}
.footer__col a:hover {
	color: var(--ink);
}

.footer__col--brand {
	gap: 14px;
}

.footer__heading {
	font-family: var(--font-mono);
	font-size: 11.5px;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--ink);
	margin: 0 0 4px;
}

.footer__tag {
	font-size: 14px;
	color: var(--muted);
	margin: 0;
	max-width: 32ch;
	line-height: 1.5;
}

.footer__bar {
	max-width: var(--max);
	margin: 0 auto;
	padding: 20px var(--gutter);
	border-top: 1px solid var(--hairline);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	flex-wrap: wrap;
	font-size: 12.5px;
	color: var(--muted);
}

.footer__mono {
	font-family: var(--font-mono);
	font-size: 11.5px;
}

/* ---------- responsive ---------- */

@media (max-width: 980px) {
	.who-grid {
		grid-template-columns: 1fr 1fr;
	}
	.privacy__grid {
		grid-template-columns: 1fr 1fr;
	}
	.footer__inner {
		grid-template-columns: 1fr 1fr;
	}
}

@media (max-width: 720px) {
	.nav__links {
		display: none;
	}
	.who-grid {
		grid-template-columns: 1fr;
	}
	.privacy__grid {
		grid-template-columns: 1fr;
	}
	.footer__inner {
		grid-template-columns: 1fr 1fr;
	}
	.cta__form {
		flex-direction: column;
	}
	.trust__inner {
		gap: 16px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.btn,
	.who-card {
		transition: none;
	}
	html {
		scroll-behavior: auto;
	}
}

/* ---------- OODA loop ---------- */

.ooda-section {
	max-width: var(--max);
	margin: 0 auto;
	padding: 0 var(--gutter) clamp(80px, 10vw, 128px);
}

.ooda {
	position: relative;
	z-index: 1;
	margin: 0;
	padding: clamp(32px, 4vw, 48px) clamp(24px, 3vw, 40px) clamp(28px, 3vw, 36px);
	background:
		radial-gradient(
			ellipse at 50% 0%,
			rgba(31, 71, 255, 0.05) 0%,
			transparent 60%
		), var(--bg-soft);
	border: 1px solid var(--hairline);
	border-radius: var(--radius-lg);
	box-shadow:
		0 1px 0 rgba(255, 255, 255, 0.6) inset,
		0 1px 2px rgba(9, 9, 11, 0.03),
		0 20px 56px -32px rgba(9, 9, 11, 0.18);
}

.ooda__head {
	max-width: 720px;
	margin: 0 auto clamp(32px, 4vw, 48px);
	text-align: center;
}

.ooda__eyebrow {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	font-family: var(--font-mono);
	font-size: 11.5px;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--accent-ink);
	padding: 5px 11px 5px 9px;
	background: var(--accent-soft);
	border: 1px solid var(--accent-tint);
	border-radius: 999px;
	margin-bottom: 18px;
}

.ooda__eyebrow-dot {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--accent);
	box-shadow: 0 0 0 3px rgba(31, 71, 255, 0.18);
	animation: ooda-pulse 2.4s ease-in-out infinite;
}

.ooda__heading {
	font-family: var(--font-sans);
	font-weight: 600;
	font-size: clamp(26px, 3.2vw, 40px);
	line-height: 1.08;
	letter-spacing: -0.024em;
	color: var(--ink);
	margin: 0 0 14px;
	text-wrap: balance;
}

.ooda__lede {
	font-size: clamp(15px, 1.2vw, 17px);
	line-height: 1.55;
	color: var(--ink-2);
	margin: 0 auto;
	max-width: 56ch;
	text-wrap: pretty;
}

.ooda__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) clamp(72px, 9vw, 112px) minmax(0, 1fr);
	grid-template-rows: auto clamp(56px, 7vw, 88px) auto;
	grid-template-areas:
		"observe ar-r orient"
		"ar-u    hub   ar-d"
		"act     ar-l decide";
	gap: 16px;
	align-items: stretch;
}

.ooda__card {
	position: relative;
	background: var(--bg);
	border: 1px solid var(--hairline);
	border-radius: var(--radius);
	padding: 22px 24px 22px;
	display: flex;
	flex-direction: column;
	gap: 8px;
	transition:
		border-color 180ms ease,
		transform 180ms ease,
		box-shadow 180ms ease;
	overflow: hidden;
}

.ooda__card::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 3px;
	background: var(--accent);
	opacity: 0.5;
	transition: opacity 180ms ease;
}

.ooda__card:hover {
	border-color: var(--hairline-strong);
	transform: translateY(-2px);
	box-shadow:
		0 1px 2px rgba(9, 9, 11, 0.04),
		0 14px 32px -18px rgba(9, 9, 11, 0.18);
}

.ooda__card:hover::before {
	opacity: 1;
}

.ooda__card-head {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 6px;
}

.ooda__num {
	font-family: var(--font-mono);
	font-size: 11px;
	font-weight: 500;
	letter-spacing: 0.08em;
	color: var(--accent);
	background: var(--accent-soft);
	border: 1px solid var(--accent-tint);
	padding: 3px 7px;
	border-radius: 6px;
}

.ooda__kicker {
	font-family: var(--font-mono);
	font-size: 11px;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--muted);
}

.ooda__title {
	font-family: var(--font-sans);
	font-weight: 600;
	font-size: 24px;
	letter-spacing: -0.02em;
	color: var(--ink);
	margin: 2px 0 4px;
}

.ooda__body {
	font-size: 14.5px;
	line-height: 1.5;
	color: var(--ink-2);
	margin: 0 0 12px;
}

.ooda__meta {
	list-style: none;
	margin: auto 0 0;
	padding: 12px 0 0;
	border-top: 1px solid var(--hairline);
	display: flex;
	flex-wrap: wrap;
	gap: 6px 14px;
	font-family: var(--font-mono);
	font-size: 11.5px;
	color: var(--muted);
	letter-spacing: 0;
}

.ooda__meta li {
	position: relative;
	padding-left: 12px;
}
.ooda__meta li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 8px;
	width: 6px;
	height: 1px;
	background: var(--muted-2);
}

.ooda__card--observe {
	grid-area: observe;
}
.ooda__card--orient {
	grid-area: orient;
}
.ooda__card--decide {
	grid-area: decide;
}
.ooda__card--act {
	grid-area: act;
}

.ooda__arrow {
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--accent);
}

.ooda__arrow svg {
	display: block;
	width: 100%;
	height: 100%;
	max-width: 56px;
	max-height: 56px;
}

.ooda__arrow--right {
	grid-area: ar-r;
}
.ooda__arrow--down {
	grid-area: ar-d;
}
.ooda__arrow--left {
	grid-area: ar-l;
}
.ooda__arrow--up {
	grid-area: ar-u;
}

.ooda__hub {
	grid-area: hub;
	align-self: center;
	justify-self: center;
	position: relative;
	width: clamp(64px, 8vw, 96px);
	height: clamp(64px, 8vw, 96px);
	border-radius: 50%;
	background:
		radial-gradient(circle at 50% 40%, var(--accent-soft) 0%, var(--bg) 70%),
		var(--bg);
	border: 1px solid var(--accent-tint);
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow:
		0 0 0 6px rgba(31, 71, 255, 0.04),
		0 8px 20px -12px rgba(31, 71, 255, 0.3);
}

.ooda__hub-pulse {
	position: absolute;
	inset: -6px;
	border-radius: 50%;
	border: 1px solid var(--accent);
	opacity: 0;
	animation: ooda-hub-pulse 2.6s ease-out infinite;
}

.ooda__hub-label {
	font-family: var(--font-mono);
	font-size: 10.5px;
	font-weight: 500;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--accent-ink);
	text-align: center;
	line-height: 1.2;
}

@keyframes ooda-pulse {
	0%,
	100% {
		box-shadow: 0 0 0 3px rgba(31, 71, 255, 0.18);
	}
	50% {
		box-shadow: 0 0 0 5px rgba(31, 71, 255, 0.08);
	}
}

@keyframes ooda-hub-pulse {
	0% {
		opacity: 0.4;
		transform: scale(0.96);
	}
	70% {
		opacity: 0;
		transform: scale(1.18);
	}
	100% {
		opacity: 0;
		transform: scale(1.18);
	}
}

.ooda__caption {
	margin: clamp(28px, 3vw, 36px) 0 0;
	font-family: var(--font-mono);
	font-size: 12.5px;
	letter-spacing: 0.01em;
	color: var(--muted);
	text-align: center;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
}
.ooda__caption .dot {
	margin-right: 0;
}

@media (max-width: 760px) {
	.ooda__grid {
		grid-template-columns: 1fr;
		grid-template-rows: auto;
		grid-template-areas:
			"observe"
			"orient"
			"decide"
			"act";
		gap: 12px;
	}
	.ooda__arrow,
	.ooda__hub {
		display: none;
	}
	.ooda__caption {
		text-align: left;
		flex-wrap: wrap;
	}
}

@media (prefers-reduced-motion: reduce) {
	.ooda__eyebrow-dot,
	.ooda__hub-pulse {
		animation: none;
	}
}