.leadstrium-imported-lesson {
	--leadstrium-lesson-accent: #1f6fff;
	--leadstrium-lesson-ink: #172033;
	--leadstrium-lesson-muted: #5b6475;
	--leadstrium-lesson-soft: #f3f7ff;
	--leadstrium-lesson-border: rgba(31, 111, 255, 0.16);
	color: var(--leadstrium-lesson-ink);
	font-size: 16px;
	line-height: 1.75;
}

.leadstrium-imported-lesson * {
	box-sizing: border-box;
}

.leadstrium-lesson-hero {
	display: flex;
	gap: 18px;
	align-items: flex-start;
	padding: 22px 24px;
	margin: 0 0 26px;
	border: 1px solid var(--leadstrium-lesson-border);
	border-radius: 18px;
	background: linear-gradient(135deg, #f7fbff 0%, #eef5ff 100%);
	box-shadow: 0 12px 30px rgba(10, 35, 90, 0.08);
}

.leadstrium-lesson-icon {
	min-width: 48px;
	height: 48px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	border-radius: 14px;
	background: #ffffff;
	font-size: 26px;
	box-shadow: 0 8px 22px rgba(20, 67, 140, 0.12);
}

.leadstrium-lesson-hero h2 {
	margin: 0 0 8px;
	font-size: clamp(1.45rem, 2vw, 2rem);
	line-height: 1.2;
	letter-spacing: -0.02em;
}

.leadstrium-lesson-summary {
	margin: 0 0 10px;
	color: var(--leadstrium-lesson-muted);
	font-size: 1.02rem;
}

.leadstrium-lesson-meta {
	margin: 0;
	font-size: 0.95rem;
	color: var(--leadstrium-lesson-muted);
}

.leadstrium-lesson-body h2,
.leadstrium-lesson-body h3,
.leadstrium-lesson-body h4 {
	margin: 1.25em 0 0.45em;
	line-height: 1.25;
	letter-spacing: -0.01em;
}

.leadstrium-lesson-body h2 {
	font-size: 1.65rem;
}

.leadstrium-lesson-body h3 {
	font-size: 1.32rem;
}

.leadstrium-lesson-body h4 {
	font-size: 1.12rem;
}

.leadstrium-lesson-body p {
	margin: 0 0 1.05em;
}

.leadstrium-lesson-body ul,
.leadstrium-lesson-body ol {
	margin: 0 0 1.15em 1.35em;
	padding: 0;
}

.leadstrium-lesson-body li {
	margin: 0.35em 0;
}

.leadstrium-lesson-body blockquote {
	margin: 1.25em 0;
	padding: 16px 20px;
	border-left: 5px solid var(--leadstrium-lesson-accent);
	background: var(--leadstrium-lesson-soft);
	border-radius: 12px;
	font-weight: 600;
}

.leadstrium-callout {
	margin: 1.25em 0;
	padding: 16px 18px;
	border-radius: 14px;
	background: #f7fbff;
	border: 1px solid var(--leadstrium-lesson-border);
}

.leadstrium-callout-tip {
	background: #effaf3;
	border-color: rgba(38, 160, 83, 0.22);
}

.leadstrium-callout-warning,
.leadstrium-callout-important {
	background: #fff8ed;
	border-color: rgba(220, 145, 36, 0.24);
}

.leadstrium-lesson-body hr {
	border: 0;
	border-top: 1px solid rgba(23, 32, 51, 0.12);
	margin: 28px 0;
}

@media (max-width: 640px) {
	.leadstrium-lesson-hero {
		flex-direction: column;
		padding: 18px;
	}
}