/* =========================================================
   SECOND BRAIN — cinematic multi-project landing
   ========================================================= */

:root {
	--bg: #05060a;
	--bg-elev: #0b0d14;
	--ink: #f4f1ea;
	--ink-dim: rgba(244, 241, 234, 0.62);
	--ink-faint: rgba(244, 241, 234, 0.5);
	--line: rgba(244, 241, 234, 0.1);
	--accent: #7c9cff;
	--accent-2: #ff6b4a;
	--accent-3: #3dffc0;
	--serif: "Instrument Serif", Georgia, serif;
	--sans: "Syne", system-ui, sans-serif;
	--mono: "JetBrains Mono", ui-monospace, monospace;
	--wrap: min(1180px, calc(100% - 2.5rem));
	--nav-h: 4.5rem;
	--ease: cubic-bezier(0.22, 1, 0.36, 1);
	--radius: 1.25rem;
}

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

html {
	scroll-behavior: smooth;
	overscroll-behavior-y: none; /* no rubber-band bounce jolting the fixed canvas (mobile) */
	background: var(--bg);
}

html.sb-html {
	/* custom cursor on fine pointers */
}

@media (hover: hover) and (pointer: fine) {
	html.sb-html,
	html.sb-html body,
	html.sb-html a,
	html.sb-html button {
		cursor: none;
	}
}

body.sb-body {
	margin: 0;
	min-height: 100vh;
	color: var(--ink);
	font-family: var(--sans);
	font-weight: 400;
	line-height: 1.55;
	background:
		radial-gradient(1200px 700px at 10% -10%, rgba(124, 156, 255, 0.16), transparent 55%),
		radial-gradient(900px 600px at 90% 10%, rgba(255, 107, 74, 0.1), transparent 50%),
		radial-gradient(800px 500px at 50% 100%, rgba(61, 255, 192, 0.06), transparent 50%),
		var(--bg);
	overflow-x: hidden;
	-webkit-font-smoothing: antialiased;
}

img {
	max-width: 100%;
	display: block;
}

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

/* prose links (FAQ answers, section copy) must look clickable; nav + .sb-btn
   keep their own styles since this only targets links inside <p>. */
.sb-section p a {
	color: var(--accent-3);
	text-decoration: underline;
	text-decoration-color: rgba(61, 255, 192, 0.5);
	text-underline-offset: 3px;
	transition: text-shadow 0.15s ease;
}
.sb-section p a:hover,
.sb-section p a:focus-visible {
	text-decoration-color: var(--accent-3);
	text-shadow: 0 0 9px rgba(61, 255, 192, 0.5);
}

em {
	font-style: normal;
	font-weight: 700;
	color: #fff;
}

.sb-wrap {
	width: var(--wrap);
	margin-inline: auto;
}

.sb-mono {
	font-family: var(--mono);
	font-size: 0.75rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ink-dim);
}

/* Canvas + atmosphere */
.sb-canvas {
	position: fixed;
	inset: 0;
	width: 100%;
	height: 100%;
	z-index: 0;
	pointer-events: none;
	opacity: 1;
	/* Keep WebGL canvas crisp; no CSS filters that hide the orb */
}

.sb-noise {
	position: fixed;
	inset: 0;
	z-index: 1;
	pointer-events: none;
	opacity: 0.045;
	background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
	mix-blend-mode: overlay;
}

.sb-main,
.sb-nav,
.sb-footer,
.sb-drawer,
.sb-marquee {
	position: relative;
	z-index: 2;
}

/* Custom cursor */
.sb-cursor {
	position: fixed;
	top: 0;
	left: 0;
	z-index: 1000;
	pointer-events: none;
	mix-blend-mode: difference;
	opacity: 0;
	transition: opacity 0.3s ease;
}

.sb-cursor.is-on {
	opacity: 1;
}

.sb-cursor__ring {
	position: absolute;
	width: 80px;
	height: 80px;
	border: 1px solid rgba(255, 255, 255, 0.85);
	border-radius: 50%;
	transform: translate(-50%, -50%);
	transition: width 0.35s var(--ease), height 0.35s var(--ease), border-color 0.25s ease;
}

.sb-cursor__dot {
	position: absolute;
	width: 12px;
	height: 12px;
	background: #fff;
	border-radius: 50%;
	transform: translate(-50%, -50%);
}

.sb-cursor.is-hover .sb-cursor__ring {
	width: 128px;
	height: 128px;
	border-color: var(--accent-3);
}

/* Nav */
.sb-nav {
	position: fixed;
	top: 0;
	left: 0;
	right: 0;
	height: var(--nav-h);
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 0 1.25rem;
	z-index: 50;
	backdrop-filter: blur(14px);
	background: linear-gradient(to bottom, rgba(5, 6, 10, 0.75), rgba(5, 6, 10, 0.2));
	border-bottom: 1px solid transparent;
	transition: border-color 0.3s ease, background 0.3s ease;
}

.sb-nav.is-scrolled {
	border-bottom-color: var(--line);
	background: rgba(5, 6, 10, 0.82);
}

.sb-nav__brand {
	display: inline-flex;
	align-items: center;
	gap: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.04em;
}

.sb-nav__mark {
	width: 0.7rem;
	height: 0.7rem;
	border-radius: 50%;
	/* Match BRAIN teal (--accent-3) */
	background: radial-gradient(circle at 30% 30%, #b8ffe9, var(--accent-3) 42%, #1a9a78);
	box-shadow: 0 0 18px rgba(61, 255, 192, 0.85);
	animation: sb-breathe 3.2s ease-in-out infinite;
}

.sb-nav__word span {
	color: var(--accent-3);
	font-weight: 800;
}

.sb-nav__links {
	display: none;
	align-items: center;
	gap: 1.5rem;
	font-size: 0.92rem;
	font-weight: 500;
}

.sb-nav__links a {
	opacity: 0.78;
	transition: opacity 0.2s ease;
}

.sb-nav__links a:hover {
	opacity: 1;
}

.sb-nav__cta {
	padding: 0.55rem 0.95rem !important;
	border: 1px solid var(--line);
	border-radius: 999px;
	opacity: 1 !important;
	background: rgba(255, 255, 255, 0.03);
}

.sb-nav__burger {
	width: 2.5rem;
	height: 2.5rem;
	border: 0;
	background: transparent;
	display: grid;
	place-content: center;
	gap: 6px;
	padding: 0;
}

.sb-nav__burger span {
	display: block;
	width: 1.35rem;
	height: 1.5px;
	background: var(--ink);
}

@media (min-width: 860px) {
	.sb-nav {
		padding: 0 calc((100% - min(1180px, calc(100% - 2.5rem))) / 2);
	}
	.sb-nav__links {
		display: flex;
	}
	.sb-nav__burger {
		display: none;
	}
}

.sb-drawer {
	position: fixed;
	inset: var(--nav-h) 0 0 0;
	z-index: 40;
	background: rgba(5, 6, 10, 0.96);
	padding: 2rem 1.5rem;
}

.sb-drawer nav {
	display: grid;
	gap: 1.25rem;
	font-size: 1.5rem;
	font-weight: 600;
}

/* Hero */
.sb-hero {
	min-height: 0; /* was 100svh: collapsed the dead zone above the scroll hint (Joe 2026-07-15) */
	display: grid;
	align-items: start; /* was center: fixed gap below nav on every screen (Joe 2026-07-15) */
	padding: calc(var(--nav-h) + 6rem) 0 5rem;
	position: relative;
}

/* Background orbit ring temporarily disabled — was competing with neural net */
.sb-hero__orbit {
	display: none;
}

.sb-hero__inner {
	position: relative;
}

.sb-chip {
	display: inline-flex;
	align-items: center;
	gap: 0.55rem;
	padding: 0.4rem 0.8rem;
	border-radius: 999px;
	border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.03);
	font-family: var(--mono);
	font-size: 0.72rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--ink-dim);
	margin: 0 0 1.5rem;
}

.sb-pulse {
	width: 0.5rem;
	height: 0.5rem;
	border-radius: 50%;
	background: var(--accent-3);
	box-shadow: 0 0 12px var(--accent-3);
	animation: sb-breathe 1.8s ease-in-out infinite;
}

.sb-hero__title {
	margin: 0;
	font-size: clamp(2.4rem, 7.2vw, 5.4rem);
	line-height: 1.06;
	letter-spacing: -0.03em;
	font-weight: 700;
}

.sb-line {
	display: block;
}

.sb-line--accent {
	/* Same face as the rest of the hero title (Syne), teal gradient only */
	font-family: inherit;
	font-weight: inherit;
	font-style: normal;
	background: linear-gradient(120deg, #fff 8%, var(--accent-3) 42%, color-mix(in srgb, var(--accent-3) 35%, transparent) 88%);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	padding-bottom: 0.14em; /* fix: give background-clip:text room for descenders (g/y/j) */
	margin-bottom: -0.14em; /* keep line spacing unchanged */
}

.sb-hero__lede {
	max-width: 38rem;
	margin: 1.5rem 0 0;
	font-size: clamp(1.02rem, 2vw, 1.2rem);
	color: var(--ink-dim);
}

.sb-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem;
	margin-top: 2rem;
}

.sb-hero__meta {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.85rem 1.25rem;
	margin-top: 3rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--line);
	max-width: 42rem;
	font-size: 0.9rem;
	color: var(--ink-dim);
}

.sb-hero__meta span {
	display: block;
	font-family: var(--mono);
	font-size: 0.7rem;
	color: var(--accent);
	margin-bottom: 0.2rem;
}

@media (min-width: 720px) {
	.sb-hero__meta {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}
}

.sb-scroll-hint {
	position: relative;
	justify-self: center;
	margin-top: 6rem; /* in flow below the meta list; matches the nav-to-title gap (Joe 2026-07-15) */
	display: grid;
	justify-items: center;
	gap: 0.5rem;
	font-family: var(--mono);
	font-size: 0.68rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: var(--ink-faint);
}

.sb-scroll-hint__line {
	width: 1px;
	height: 3rem;
	background: linear-gradient(to bottom, var(--ink-faint), transparent);
	animation: sb-scroll-line 1.8s ease-in-out infinite;
}

/* Buttons */
.sb-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.9rem 1.25rem;
	border-radius: 999px;
	font-weight: 600;
	font-size: 0.95rem;
	border: 1px solid transparent;
	transition: transform 0.35s var(--ease), background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.sb-btn--primary {
	background: linear-gradient(120deg, #f4f1ea, #d7e0ff);
	color: #0a0b10;
}

.sb-btn--primary:hover {
	transform: translateY(-2px);
}

/* Download / file CTAs: solid slate grey + cream text (readable; Joe 2026-07-21) */
.sb-btn--download {
	background: #3a3f4a;
	color: #f0efe9;
	border: 1px solid #5c6270;
	font-weight: 700;
	letter-spacing: 0.02em;
	box-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
}

.sb-btn--download:hover {
	transform: translateY(-2px);
	background: #4a5060;
	color: #ffffff;
	border-color: #7a8190;
}

.sb-btn--ghost {
	border-color: var(--line);
	background: rgba(255, 255, 255, 0.02);
	color: var(--ink);
}

.sb-btn--ghost:hover {
	border-color: rgba(244, 241, 234, 0.28);
	background: rgba(255, 255, 255, 0.05);
}

/* Marquee */
.sb-marquee {
	overflow: hidden;
	border-block: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.015);
	padding: 0.9rem 0;
}

.sb-marquee__track {
	display: flex;
	gap: 1.5rem;
	width: max-content;
	animation: sb-marquee 28s linear infinite;
	font-family: var(--mono);
	font-size: 0.78rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: var(--ink-dim);
}

.sb-marquee__track span:nth-child(odd) {
	color: var(--ink);
}

/* Sections */
.sb-section {
	padding: clamp(4.5rem, 10vw, 7.5rem) 0;
}

.sb-section--pad {
	padding-top: calc(var(--nav-h) + 3rem);
}

.sb-section__head {
	max-width: 40rem;
	margin-bottom: 2.75rem;
}

.sb-kicker {
	font-family: var(--mono);
	font-size: 0.75rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--accent);
	margin: 0 0 0.85rem;
}

.sb-section h2 {
	margin: 0;
	font-size: clamp(2rem, 4.5vw, 3.4rem);
	line-height: 1.05;
	letter-spacing: -0.03em;
}

.sb-section__sub {
	margin: 1rem 0 0;
	color: var(--ink-dim);
	font-size: 1.05rem;
}

/* Projects */
.sb-projects {
	display: grid;
	gap: 1.1rem;
}

.sb-project {
	display: grid;
	grid-template-columns: auto 1fr;
	gap: 1rem;
	padding: 1.25rem;
	border: 1px solid var(--line);
	border-radius: calc(var(--radius) + 0.25rem);
	background:
		linear-gradient(145deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 42%),
		rgba(255, 255, 255, 0.02);
	transition: transform 0.45s var(--ease), border-color 0.3s ease, background 0.3s ease;
	overflow: hidden;
	position: relative;
}

.sb-project:hover {
	transform: translateY(-4px);
	border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
}

.sb-project--featured {
	border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
}

@media (min-width: 900px) {
	.sb-project {
		grid-template-columns: 4rem 1.2fr 0.9fr;
		gap: 1.5rem;
		padding: 1.6rem 1.6rem 1.6rem 1.25rem;
		align-items: stretch;
	}
	.sb-project--featured {
		min-height: 280px;
	}
}

.sb-project__index {
	font-family: var(--mono);
	font-size: 0.8rem;
	color: var(--ink-faint);
	padding-top: 0.35rem;
}

.sb-project__top {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	align-items: center;
	margin-bottom: 0.75rem;
}

.sb-project__code,
.sb-project__status,
.sb-project__deploy {
	font-family: var(--mono);
	font-size: 0.68rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	padding: 0.28rem 0.55rem;
	border-radius: 999px;
	border: 1px solid var(--line);
	line-height: 1.2;
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	height: 1.7rem;
	box-sizing: border-box;
}

.sb-project__status,
.sb-project__deploy {
	color: var(--accent);
	border-color: color-mix(in srgb, var(--accent) 40%, transparent);
	background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.sb-project__deploy {
	font-variant-numeric: tabular-nums;
}

.sb-project__deploy-k,
.sb-project__deploy-v {
	color: inherit;
	font-weight: inherit;
	letter-spacing: inherit;
	text-shadow: none;
	opacity: 1;
}

.sb-project__deploy-v.is-open {
	color: inherit;
}

.sb-project__title {
	margin: 0;
	font-size: clamp(1.6rem, 3vw, 2.35rem);
	letter-spacing: -0.03em;
}

.sb-project__tagline {
	margin: 0.4rem 0 0;
	font-weight: 700;
	font-size: 1.05rem;
	color: #fff;
}

.sb-project__blurb {
	margin: 0.9rem 0 0;
	color: var(--ink-dim);
	max-width: 38rem;
}

.sb-tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.45rem;
	list-style: none;
	margin: 1.1rem 0 0;
	padding: 0;
}

.sb-tags li {
	font-family: var(--mono);
	font-size: 0.68rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	padding: 0.28rem 0.55rem;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.04);
	color: var(--ink-dim);
}

.sb-project__visual {
	display: none;
	position: relative;
	min-height: 180px;
	border-radius: var(--radius);
	border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--line));
	overflow: hidden;
	background: radial-gradient(circle at 30% 30%, color-mix(in srgb, var(--accent) 35%, #111), #07080d 70%);
}

@media (min-width: 900px) {
	.sb-project__visual {
		display: grid;
		place-items: center;
	}
}

.sb-project__orb {
	position: absolute;
	width: 55%;
	height: 55%;
	border-radius: 50%;
	background: radial-gradient(circle at 35% 35%, #fff, var(--accent) 40%, transparent 70%);
	filter: blur(2px);
	opacity: 0.85;
	animation: sb-breathe 4s ease-in-out infinite;
}

.sb-project__grid {
	position: absolute;
	inset: 0;
	background-image:
		linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
		linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
	background-size: 28px 28px;
	mask-image: radial-gradient(circle at center, #000 20%, transparent 75%);
}

.sb-project__glyph {
	position: relative;
	z-index: 1;
	font-family: var(--serif);
	font-size: 4.5rem;
	font-style: italic;
	opacity: 0.9;
}

.sb-project--link {
	text-decoration: none;
	color: inherit;
	cursor: pointer;
}



/* Feature */
.sb-feature {
	padding: clamp(4rem, 9vw, 7rem) 0;
	border-block: 1px solid var(--line);
	background:
		radial-gradient(700px 400px at 80% 50%, color-mix(in srgb, var(--accent) 18%, transparent), transparent 70%),
		rgba(255, 255, 255, 0.015);
}

.sb-feature__grid {
	display: grid;
	gap: 2rem;
}

/* Grid items default to min-width:auto: wide content (the stacked PROJECT/HAY/
   STACK display type) blew the column past the wrap on phones, shoving the
   whole featured section off-center (Joe 2026-07-15). Never let these exceed
   their track. */
.sb-feature__copy,
.sb-feature__panel {
	min-width: 0;
	max-width: 100%;
}

@media (min-width: 900px) {
	.sb-feature__grid {
		grid-template-columns: 1.1fr 0.9fr;
		align-items: center;
		gap: 3rem;
	}
}

.sb-feature h2 {
	margin: 0;
	font-size: clamp(2.2rem, 5vw, 3.8rem);
	letter-spacing: -0.03em;
}

.sb-feature__lead {
	margin: 1rem 0 0;
	color: var(--ink-dim);
	font-size: 1.08rem;
}

.sb-feature__list {
	margin: 1.5rem 0 1.75rem;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.85rem;
	color: var(--ink-dim);
}

.sb-feature__list strong {
	color: var(--ink);
	font-weight: 600;
}

.sb-feature__panel {
	container-type: inline-size;
	border-radius: calc(var(--radius) + 0.4rem);
	border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--line));
	background: linear-gradient(160deg, #10131c, #07080d 60%);
	min-height: 320px;
	padding: 1.5rem;
	box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.sb-feature__panel-inner {
	height: 100%;
	min-height: 280px;
	border-radius: var(--radius);
	border: 1px solid rgba(255, 255, 255, 0.06);
	padding: 1.25rem;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	background:
		radial-gradient(circle at 70% 20%, color-mix(in srgb, var(--accent) 30%, transparent), transparent 45%),
		linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}

.sb-feature__big {
	margin: 0;
	font-size: clamp(2.8rem, 6vw, 4.4rem); /* fallback (no cq support) */
	font-size: min(4.4rem, 10.5cqw);        /* fit the longest row to the panel */
	line-height: 1.0;
	letter-spacing: -0.04em;
	font-weight: 800;
}

.sb-feature__footer-line {
	margin: 0;
}

/* About */
.sb-about__grid {
	display: grid;
	gap: 1.5rem;
}

@media (min-width: 860px) {
	.sb-about__grid {
		grid-template-columns: 1fr 1fr;
		gap: 3rem;
		align-items: start;
	}
}

.sb-about__copy p {
	margin: 0 0 1rem;
	color: var(--ink-dim);
	font-size: 1.08rem;
}

/* Steps */
.sb-steps {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 1rem;
}

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

.sb-steps li {
	padding: 1.35rem;
	border-radius: var(--radius);
	border: 1px solid var(--line);
	background: rgba(255, 255, 255, 0.02);
	min-height: 100%;
}

.sb-steps__n {
	font-family: var(--mono);
	font-size: 0.75rem;
	color: var(--accent);
}

.sb-steps h3 {
	margin: 0.7rem 0 0.45rem;
	font-size: 1.25rem;
}

.sb-steps p {
	margin: 0;
	color: var(--ink-dim);
	font-size: 0.95rem;
}

/* Contact */
.sb-contact__box {
	padding: clamp(2rem, 5vw, 3.25rem);
	border-radius: calc(var(--radius) + 0.5rem);
	border: 1px solid var(--line);
	background:
		radial-gradient(600px 280px at 15% 0%, rgba(124, 156, 255, 0.16), transparent 60%),
		radial-gradient(500px 260px at 90% 100%, rgba(255, 107, 74, 0.12), transparent 55%),
		rgba(255, 255, 255, 0.02);
	text-align: center;
}

.sb-contact__box h2 {
	max-width: 16ch;
	margin-inline: auto;
}

.sb-contact__lede {
	max-width: 40rem;
	margin: 1rem auto 0;
	color: var(--ink-dim);
}

.sb-contact__row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.85rem;
	justify-content: center;
	margin-top: 1.75rem;
}

.sb-contact__note {
	margin: 1.25rem 0 0;
}

/* Footer */
.sb-footer {
	padding: 2.5rem 0 3rem;
	border-top: 1px solid var(--line);
}

.sb-footer__map {
	width: var(--wrap);
	margin: 0 auto 1.75rem;
	display: grid;
	gap: 1.25rem 1.5rem;
	grid-template-columns: 1fr;
}
@media (min-width: 720px) {
	.sb-footer__map { grid-template-columns: repeat(4, 1fr); }
}
.sb-footer__map a {
	display: block;
	color: var(--ink-dim);
	font-size: 0.9rem;
	padding: 2px 0;
	transition: color 0.15s ease, text-shadow 0.15s ease;
}
.sb-footer__map a:hover,
.sb-footer__map a:focus-visible {
	color: var(--accent-3);
	text-shadow: 0 0 9px rgba(61, 255, 192, 0.4);
}
.sb-footer__soon {
	display: block;
	color: var(--ink-faint);
	font-size: 0.78rem;
	margin-top: 0.35rem;
	line-height: 1.4;
}

.sb-footer__grid {
	width: var(--wrap);
	margin: 0 auto 1.25rem;
	display: grid;
	gap: 1.25rem;
}

@media (min-width: 720px) {
	.sb-footer__grid {
		grid-template-columns: repeat(3, 1fr);
	}
}

.sb-footer__kicker {
	font-family: var(--mono);
	font-size: 0.68rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--ink-faint);
	margin: 0 0 0.35rem;
}

.sb-footer__status {
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	margin: 0;
}

.sb-footer__fine {
	width: var(--wrap);
	margin: 0 auto;
	color: var(--ink-faint);
	font-size: 0.88rem;
}

/* Reveal */
[data-sb-reveal] {
	opacity: 0;
	transform: translateY(28px);
	transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}

[data-sb-reveal].is-in {
	opacity: 1;
	transform: none;
}

/* Animations */
@keyframes sb-breathe {
	0%, 100% { transform: scale(1); opacity: 0.85; }
	50% { transform: scale(1.08); opacity: 1; }
}

@keyframes sb-spin {
	to { transform: rotate(360deg); }
}

@keyframes sb-marquee {
	to { transform: translateX(-50%); }
}

@keyframes sb-scroll-line {
	0%, 100% { transform: scaleY(1); transform-origin: top; opacity: 0.5; }
	50% { transform: scaleY(0.45); transform-origin: top; opacity: 1; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	*, *::before, *::after {
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.01ms !important;
	}
	[data-sb-reveal] {
		opacity: 1;
		transform: none;
	}
	.sb-cursor { display: none !important; }
}

/* ---- v1.8.0 additions (thinking shelf, field notes meta, sub-page hero) ---- */
.sb-thinklist {
	list-style: none;
	margin: 0;
	padding: 0;
	max-width: 46rem;
	font-family: var(--mono);
	font-size: 0.95rem;
	line-height: 1.7;
}
.sb-thinklist li {
	padding: 0.85rem 0;
	border-bottom: 1px solid var(--line);
	color: var(--ink-dim);
}
.sb-thinklist li:first-child { border-top: 1px solid var(--line); }
.sb-thinklist__k {
	display: inline-block;
	min-width: 7.5rem;
	color: var(--accent);
	font-weight: 600;
}
.sb-thinklist__k--open   { color: var(--accent-2); }
.sb-thinklist__k--wiring { color: var(--accent); }
.sb-thinklist__k--watch  { color: var(--accent-3); }
.sb-thinklist__k--idle   { color: var(--ink-faint); }
.sb-thinklist__k--new    { color: var(--accent-3); }
.sb-thinklist__meta {
	margin-top: 1.25rem;
	font-family: var(--mono);
	font-size: 0.8rem;
	color: var(--ink-faint);
}
.sb-section__cta { margin-top: 2.5rem; }
.sb-inline-link {
	color: var(--accent);
	text-decoration: none;
	border-bottom: 1px solid transparent;
	transition: border-color 0.3s var(--ease);
}
.sb-inline-link:hover { border-color: var(--accent); }
.sb-hero--sub { min-height: 62vh; }
.sb-hero--sub .sb-hero__title { font-size: clamp(2.4rem, 6vw, 4.6rem); }

/* v1.8.4: /interface/ bake-off victory photo (replaces v1.8.3 SVG) */
.sb-ring {
	margin: 2.6rem auto 0;
	max-width: 820px;
}
.sb-ring__img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 14px;
	border: 1px solid rgba(244, 241, 234, 0.12);
	box-shadow:
		0 0 0 1px rgba(61, 255, 192, 0.06),
		0 24px 60px rgba(0, 0, 0, 0.45);
}
.sb-ring__caption {
	margin-top: 0.9rem;
	text-align: center;
	color: var(--ink-dim);
}

/* v1.8.13: thinklist [SEALED] key (book line) */
.sb-thinklist__k--sealed { color: var(--accent-2); }

/* v1.9.0 valuation experiment pages (Tesla / SpaceX): pie grid + data tables */
.sb-piegrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1rem;margin-top:1.5rem}
.sb-pie{margin:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg-elev);padding:0.75rem}
.sb-pie svg{width:100%;height:auto;display:block}
.sb-vtable-wrap{overflow-x:auto;margin-top:1.5rem}
.sb-vtable{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:0.9rem}
.sb-vtable th,.sb-vtable td{padding:0.6rem 0.8rem;border:1px solid var(--line);text-align:right}
.sb-vtable thead th,.sb-vtable tbody th{text-align:left;color:var(--ink)}
.sb-vtable thead th{color:var(--accent-3);font-weight:700}
.sb-vtable td{color:var(--ink-dim)}
.sb-vtable .sb-vrow--base td,.sb-vtable .sb-vrow--base th{color:var(--ink);background:rgba(61,255,192,0.06);font-weight:700}

/* v1.9.3: homepage hardware section (the rack the brain runs on) */
.sb-iron__grid {
	display: grid;
	gap: 2rem;
	align-items: center;
}
@media (min-width: 900px) {
	.sb-iron__grid {
		grid-template-columns: 0.85fr 1fr;
		gap: 3.4rem;
	}
}
.sb-iron__figure {
	margin: 0;
	position: relative;
}
.sb-iron__figure::before {
	content: "";
	position: absolute;
	inset: 8% 4% 6%;
	background: radial-gradient(closest-side, rgba(124, 156, 255, 0.13), transparent 72%);
	filter: blur(28px);
	z-index: 0;
	pointer-events: none;
}
.sb-iron__figure picture {
	display: block;
}
.sb-iron__img {
	position: relative;
	z-index: 1;
	display: block;
	width: 100%;
	max-width: 460px;
	height: auto;
	margin: 0 auto;
	filter: drop-shadow(0 26px 46px rgba(0, 0, 0, 0.55));
}
.sb-iron__caption {
	position: relative;
	z-index: 1;
	margin-top: 1rem;
	text-align: center;
	color: var(--ink-dim);
	font-size: 0.82rem;
	line-height: 1.5;
}
.sb-iron__copy p {
	margin: 0 0 1rem;
	color: var(--ink-dim);
	font-size: 1.08rem;
}
.sb-iron__copy h2 { margin: 0.2rem 0 1.1rem; }
.sb-iron__specs {
	list-style: none;
	margin: 1.6rem 0 0;
	padding: 0;
	border-top: 1px solid var(--line);
	font-family: var(--mono);
	font-size: 0.88rem;
}
.sb-iron__specs li {
	display: flex;
	gap: 0.9rem;
	align-items: baseline;
	padding: 0.62rem 0;
	border-bottom: 1px solid var(--line);
	color: var(--ink-dim);
}
.sb-iron__k {
	flex: 0 0 4.6rem;
	color: var(--accent);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	font-size: 0.72rem;
}

/* v1.9.4: soda machine thumbnail on the [WIRING] thinklist row */
.sb-thinklist li.sb-thinklist__row {
	display: flex;
	align-items: center;
	gap: 1.4rem;
}
.sb-thinklist__txt {
	flex: 1 1 auto;
	min-width: 0;
}
.sb-thinklist__row picture {
	flex: 0 0 auto;
	display: block;
	line-height: 0;
}
.sb-thinklist__art {
	display: block;
	height: 132px;
	width: auto;
	filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.6));
}
@media (max-width: 620px) {
	.sb-thinklist li.sb-thinklist__row { gap: 1rem; }
	.sb-thinklist__art { height: 92px; }
}

/* v1.9.6: FAQ grid 3-up so five questions read as 3 + 2 instead of 4 + 1 with a
   stranded card. Scoped to .sb-faq: the 4-up .sb-steps rhythm elsewhere is unchanged. */
@media (min-width: 900px) {
	.sb-faq .sb-steps {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}
}