:root {
	color-scheme: light;
	font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	background: #f5f7fb;
	font-synthesis: none;
	text-rendering: optimizeLegibility;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	background:
		radial-gradient(ellipse at 50% 0, rgba(129, 140, 248, 0.1), transparent 42rem),
		#f5f7fb;
	color: #17213a;
	line-height: 1.6;
}

#clap-ad-card {
	display: flex;
	flex-direction: column;
	gap: 16px;
	width: min(1120px, calc(100% - 48px));
	margin: 0 auto;
	padding: 24px 0;
	color: #17213a;
}

#clap-ad-card a {
	color: #4355b5;
	text-decoration: none;
}

#clap-ad-card a:hover {
	text-decoration: underline;
}

#clap-ad-card h1,
#clap-ad-card h2,
#clap-ad-card h3,
#clap-ad-card p {
	margin-top: 0;
}

#clap-ad-card .card-hero {
	padding: 36px;
	border: 1px solid #dce3f6;
	border-radius: 18px;
	background: linear-gradient(120deg, #fff 0%, #f0f3ff 100%);
	box-shadow: 0 8px 28px rgba(37, 54, 120, 0.06);
}

#clap-ad-card .card-eyebrow {
	margin-bottom: 10px;
	color: #5263b8;
	font-size: 0.72rem;
	font-weight: 750;
	letter-spacing: 0.15em;
	text-transform: uppercase;
}

#clap-ad-card .card-title {
	margin-bottom: 18px;
	color: #17213a;
	font-size: clamp(2.7rem, 8vw, 5rem);
	font-weight: 800;
	letter-spacing: -0.07em;
	line-height: 1.03;
}

#clap-ad-card .card-title span {
	color: #5263c5;
}

#clap-ad-card .card-intro {
	max-width: 700px;
	margin-bottom: 22px;
	color: #4a5872;
	font-size: clamp(1rem, 2.5vw, 1.18rem);
	line-height: 1.65;
}

#clap-ad-card .hero-links {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

#clap-ad-card .card-button {
	display: inline-flex;
	align-items: center;
	padding: 10px 15px;
	border: 1px solid #d4dcf0;
	border-radius: 8px;
	background: #fff;
	color: #35446f;
	font-size: 0.86rem;
	font-weight: 700;
	transition: background-color 120ms ease, transform 120ms ease;
}

#clap-ad-card .card-button:hover {
	background: #f3f5ff;
	text-decoration: none;
	transform: translateY(-1px);
}

#clap-ad-card .card-button-primary {
	border-color: #4355b5;
	background: #4355b5;
	color: #fff;
}

#clap-ad-card .card-button-primary:hover {
	background: #35469f;
	color: #fff;
}

#clap-ad-card .hero-meta {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-top: 22px;
}

#clap-ad-card .meta-pill {
	padding: 4px 10px;
	border: 1px solid #dce3f6;
	border-radius: 999px;
	background: #fff;
	color: #596781;
	font-size: 0.72rem;
	font-weight: 650;
}

#clap-ad-card .card-section,
#clap-ad-card .about-card,
#clap-ad-card .citation-card {
	padding: 26px;
	border: 1px solid #dfe4ef;
	border-radius: 16px;
	background: rgba(255, 255, 255, 0.96);
	box-shadow: 0 5px 20px rgba(37, 54, 120, 0.04);
}

#clap-ad-card .card-heading {
	margin-bottom: 10px;
	color: #17213a;
	font-size: clamp(1.55rem, 4vw, 2rem);
	font-weight: 750;
	letter-spacing: -0.045em;
	line-height: 1.2;
}

#clap-ad-card .card-muted {
	margin: 0;
	color: #68758a;
	font-size: 0.86rem;
}

#clap-ad-card .model-grid,
#clap-ad-card .about-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	column-gap: 16px;
	row-gap: 16px;
}

#clap-ad-card .model-card {
	padding: 20px;
	border: 1px solid #e0e6f1;
	border-radius: 12px;
	background: linear-gradient(145deg, #fff 0%, #f8f9fd 100%);
}

#clap-ad-card .model-tag {
	display: inline-block;
	margin-bottom: 12px;
	padding: 4px 9px;
	border-radius: 999px;
	background: #edf0ff;
	color: #4c5db4;
	font-size: 0.68rem;
	font-weight: 750;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

#clap-ad-card .model-card:nth-child(2) .model-tag {
	background: #eaf3ff;
	color: #315a91;
}

#clap-ad-card .card-subheading {
	margin-bottom: 8px;
	color: #17213a;
	font-size: 1.2rem;
	font-weight: 750;
}

#clap-ad-card .card-copy {
	min-height: 48px;
	margin-bottom: 14px;
	color: #596781;
	font-size: 0.88rem;
	line-height: 1.55;
}

#clap-ad-card .metric {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 8px;
	padding: 11px 0;
	margin-bottom: 13px;
	border-top: 1px solid #e4e8f1;
	border-bottom: 1px solid #e4e8f1;
	color: #68758a;
	font-size: 0.76rem;
}

#clap-ad-card .metric strong {
	color: #253678;
	font-size: 1.8rem;
	font-weight: 800;
	letter-spacing: -0.05em;
}

#clap-ad-card .card-link {
	font-size: 0.83rem;
	font-weight: 700;
}

#clap-ad-card .fine-print {
	margin: 14px 0 0;
	color: #68758a;
	font-size: 0.75rem;
	line-height: 1.55;
}

#clap-ad-card .about-card {
	padding: 24px;
}

#clap-ad-card .citation-card pre {
	overflow-x: auto;
	margin: 0;
	padding: 16px;
	border: 1px solid #e0e6f1;
	border-radius: 10px;
	background: #f5f7fb;
	color: #26334c;
	font-size: 0.72rem;
	line-height: 1.6;
}

@media (max-width: 640px) {
	#clap-ad-card {
		width: calc(100% - 24px);
		padding: 12px 0;
	}

	#clap-ad-card .card-hero,
	#clap-ad-card .card-section,
	#clap-ad-card .about-card,
	#clap-ad-card .citation-card {
		padding: 18px;
	}

	#clap-ad-card .model-grid,
	#clap-ad-card .about-grid {
		grid-template-columns: 1fr;
	}

	#clap-ad-card .card-copy {
		min-height: 0;
	}
}

@media (prefers-reduced-motion: reduce) {
	#clap-ad-card .card-button {
		transition: none;
	}
}