@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,600;12..96,700;12..96,800&family=Hanken+Grotesk:wght@400;500;600&family=JetBrains+Mono:wght@400;600&display=swap");

:root {
	--ink: #0a0c14;
	--ink-2: #111420;
	--ink-3: #171b2a;
	--line: rgba(255, 255, 255, 0.09);
	--text: #eaecf4;
	--dim: #9298b0;
	--faint: #5a6079;
	--cyan: #34e0d0;
	--violet: #8b7bff;
	--coral: #ff7a6b;
	--accent: #8b7bff;
	--warm: #ff7a6b;
	--spectrum-h: linear-gradient(90deg, #34e0d0 0%, #8b7bff 52%, #ff7a6b 100%);
	--f-display: "Bricolage Grotesque", system-ui, sans-serif;
	--f-body: "Hanken Grotesk", system-ui, sans-serif;
	--f-mono: "JetBrains Mono", ui-monospace, monospace;

	--rail-w: 64px;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}
html,
body {
	margin: 0;
	background: var(--ink);
	color: var(--text);
	font-family: var(--f-body);
	font-size: 16px;
	line-height: 1.5;
	-webkit-font-smoothing: antialiased;
}
a {
	color: inherit;
	text-decoration: none;
}
:focus-visible {
	outline: 2px solid var(--cyan);
	outline-offset: 3px;
	border-radius: 6px;
}

/* --- Signet oben links --- */
.signet {
	position: fixed;
	top: 1.4rem;
	left: calc(var(--rail-w) / 2);
	width: 14px;
	height: auto;
	z-index: 6;
	line-height: 0;
	display: block;
	color: var(--text);
	opacity: 0.85;
	transform: translateX(-50%);
	transition:
		opacity 0.15s ease,
		transform 0.15s ease;
}
.signet img {
	width: 100%;
	height: auto;
	display: block;
}
.signet:hover {
	opacity: 1;
	transform: translateX(-50%) translateY(-1px);
}

/* --- Vertikales Brand-Label am rechten Viewport-Rand --- */
.edge-brand {
	position: fixed;
	top: 50%;
	right: 1.25rem;
	transform: translateY(-50%);
	writing-mode: sideways-lr;
	color: color-mix(in oklab, var(--faint) 75%, transparent);
	font-family: var(--f-mono);
	font-size: 0.7rem;
	letter-spacing: 0.32em;
	text-transform: uppercase;
	white-space: nowrap;
	pointer-events: none;
	z-index: 4;
}

/* --- Page --- */
.page {
	min-height: 100vh;
	max-width: 1400px;
	margin: 0 auto;
	padding: clamp(4rem, 8vw, 6rem) clamp(3rem, 6vw, 5rem) clamp(2rem, 5vw, 4rem);
	padding-left: max(clamp(3rem, 6vw, 5rem), var(--rail-w));
	padding-right: max(clamp(3rem, 6vw, 5rem), 3.5rem);
	display: flex;
	flex-direction: column;
	gap: clamp(3rem, 6vw, 5rem);
}

/* --- Intro --- */
.intro {
	display: flex;
	flex-direction: column;
	gap: 1.75rem;
	max-width: 1100px;
}
.overline {
	display: inline-flex;
	align-items: center;
	gap: 0.85rem;
	font-family: var(--f-mono);
	font-size: 0.78rem;
	letter-spacing: 0.24em;
	text-transform: uppercase;
	color: var(--dim);
}
.overline::before {
	content: "";
	width: 36px;
	height: 1px;
	background: var(--spectrum-h);
	display: inline-block;
}
.overline .year {
	color: var(--faint);
	letter-spacing: 0.18em;
}

.intro h1.title {
	font-family: var(--f-display);
	font-size: clamp(2.8rem, 9vw, 8rem);
	font-weight: 800;
	line-height: 0.95;
	margin: 0;
}
.spectrum {
	background: var(--spectrum-h);
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
	-webkit-text-fill-color: transparent;
}
.intro .lead {
	font-size: clamp(1.1rem, 1.55vw, 1.35rem);
	line-height: 1.55;
	color: var(--dim);
	max-width: 60ch;
	margin: 0;
}

/* --- Talks Grid --- */
.talks {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: 1.25rem;
}

.card {
	position: relative;
	display: flex;
	flex-direction: column;
	gap: 1rem;
	padding: 1.75rem 1.75rem 1.5rem;
	border: 1px solid var(--line);
	border-radius: 1.25rem;
	background: var(--ink-2);
	transition:
		transform 0.18s ease,
		border-color 0.18s ease;
	isolation: isolate;
	overflow: hidden;
	min-height: 260px;
}
.card::before {
	content: "";
	position: absolute;
	inset: 0 0 auto 0;
	height: 3px;
	background: var(--spectrum-h);
	opacity: 0.7;
}
.card:hover {
	transform: translateY(-3px);
	border-color: color-mix(in oklab, var(--accent) 45%, var(--line));
}
.card:hover::before {
	opacity: 1;
}
.card .kicker {
	font-family: var(--f-mono);
	font-size: 0.72rem;
	letter-spacing: 0.15em;
	text-transform: uppercase;
	color: var(--faint);
}
.card h2 {
	font-family: var(--f-display);
	font-size: 1.75rem;
	font-weight: 700;
	letter-spacing: -0.025em;
	line-height: 1.05;
	margin: 0;
}
.card p {
	margin: 0;
	color: var(--dim);
	font-size: 0.98rem;
	max-width: 55ch;
}
.card .tags {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	margin-top: auto;
}
.badge {
	display: inline-block;
	padding: 0.28rem 0.75rem;
	font-family: var(--f-mono);
	font-size: 0.72rem;
	letter-spacing: 0.02em;
	border-radius: 999px;
	background: transparent;
	border: 1.5px solid var(--line);
	color: var(--dim);
}
.badge.cyan {
	color: var(--cyan);
	border-color: color-mix(in oklab, var(--cyan) 55%, transparent);
}
.badge.violet {
	color: var(--violet);
	border-color: color-mix(in oklab, var(--violet) 55%, transparent);
}
.badge.coral {
	color: var(--coral);
	border-color: color-mix(in oklab, var(--coral) 55%, transparent);
}

.card .go {
	align-self: flex-start;
	font-family: var(--f-mono);
	font-size: 0.82rem;
	color: var(--cyan);
	margin-top: 0.25rem;
}
.card:hover .go {
	text-decoration: underline;
}

/* --- Footer --- */
footer.foot {
	margin-top: auto;
	padding-top: 2rem;
	border-top: 1px solid var(--line);
	color: var(--faint);
	font-family: var(--f-mono);
	font-size: 0.78rem;
	display: flex;
	justify-content: space-between;
	gap: 1rem;
	flex-wrap: wrap;
}

@media (max-width: 720px) {
	.edge-brand {
		display: none;
	}
	.signet {
		left: 1.25rem;
	}
	.page {
		padding-left: clamp(1.25rem, 4vw, 2rem);
		padding-right: clamp(1.25rem, 4vw, 2rem);
		padding-top: 4.5rem;
	}
}