/* Simple internal pages: about / categories */

.stk-simple-page__inner {
	width: min(860px, calc(100% - 40px));
	margin: 0 auto;
	padding: 28px 0 72px;
	font-family: TildaSans, Arial, sans-serif;
}

.stk-simple-page__title {
	margin: 12px 0 22px;
	color: #12151a;
	font-size: clamp(28px, 4vw, 40px);
	line-height: 1.2;
	font-weight: 800;
}

.stk-simple-page__content {
	color: #1f2530;
	font-size: 17px;
	line-height: 1.65;
}

.stk-simple-page__content p {
	margin: 0 0 16px;
}

.stk-simple-page__actions {
	margin-top: 28px;
}

.stk-simple-page .stk-home-cta {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 48px;
	padding: 0 22px;
	border-radius: 8px;
	background: #66bbf0;
	color: #fff !important;
	font-weight: 700;
	text-decoration: none !important;
}

/* /poleznoe/: gated checklists */

.stk-useful .stk-useful__inner {
	width: min(1100px, calc(100% - 40px));
}

.stk-useful__intro {
	max-width: 720px;
	margin: 0 0 32px;
	color: #4b5866;
	font-size: 17px;
	line-height: 1.6;
}

.stk-useful__list {
	display: grid;
	gap: 24px;
}

.stk-useful__card {
	display: grid;
	grid-template-columns: 260px minmax(0, 1fr);
	gap: 32px;
	align-items: start;
	padding: 28px;
	border: 1px solid rgba(14, 22, 32, 0.12);
	border-radius: 18px;
	background: #fff;
	box-shadow: 0 10px 28px rgba(14, 40, 60, 0.06);
	scroll-margin-top: 110px;
}

.stk-useful__preview {
	display: block;
	width: 100%;
	height: 340px;
	padding: 0;
	overflow: hidden;
	border: 1px solid rgba(14, 22, 32, 0.14);
	border-radius: 8px;
	background: #fff;
	cursor: pointer;
	transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.stk-useful__preview:hover {
	transform: translateY(-3px);
	box-shadow: 0 14px 30px rgba(14, 40, 60, 0.14);
}

.stk-useful__preview img {
	display: block;
	width: 100%;
	height: auto;
}

.stk-useful__body {
	display: flex;
	flex-direction: column;
	min-height: 340px;
}

.stk-useful__title {
	margin: 0 0 12px;
	color: #12151a;
	font-size: clamp(21px, 2.4vw, 26px);
	line-height: 1.25;
	font-weight: 800;
}

.stk-useful__lead {
	margin: 0 0 16px;
	color: #3d4a57;
	font-size: 16px;
	line-height: 1.55;
}

.stk-useful__toc-title {
	margin: 0 0 8px;
	color: #6b7a8a;
	font-size: 12px;
	font-weight: 800;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.stk-useful__toc {
	columns: 2;
	column-gap: 28px;
	margin: 0 0 22px;
	padding-left: 20px;
	color: #1f2530;
	font-size: 14.5px;
	line-height: 1.5;
}

.stk-useful__toc li {
	break-inside: avoid;
	margin-bottom: 4px;
}

.stk-useful__download {
	display: inline-flex;
	align-items: center;
	gap: 10px;
	align-self: flex-end;
	margin-top: auto;
	min-height: 48px;
	padding: 0 26px;
	border: 2px solid #2497dc;
	border-radius: 8px;
	background: #2497dc;
	color: #fff;
	font: 700 16px/1 TildaSans, Arial, sans-serif;
	cursor: pointer;
	transition: background 0.2s ease, border-color 0.2s ease;
}

.stk-useful__download:hover {
	background: #1a7eb8;
	border-color: #1a7eb8;
}

.stk-useful-popup .stk-form-extras {
	margin-top: 12px;
	text-align: left;
}

.stk-useful-popup .stk-form__successbox a {
	color: #000;
	text-decoration: underline;
}

@media screen and (max-width: 760px) {
	.stk-useful .stk-useful__inner {
		width: calc(100% - 28px);
	}

	.stk-useful__card {
		grid-template-columns: minmax(0, 1fr);
		gap: 18px;
		padding: 18px;
	}

	.stk-useful__preview {
		height: 240px;
	}

	.stk-useful__body {
		min-height: 0;
	}

	.stk-useful__toc {
		columns: 1;
	}

	.stk-useful__download {
		align-self: stretch;
		justify-content: center;
	}
}