/*
 * Hero, the four composed section layouts, illustrations and editor prose.
 */

/* -----------------------------------------------------------------------------
 * Hero
 * -------------------------------------------------------------------------- */

.siol-hero {
	position: relative;
	overflow: hidden;
	background-color: var(--siol-paper);
	padding-block: clamp(2.5rem, 6vw, 5rem) 0;
}

.siol-hero__inner {
	display: grid;
	align-items: center;
	gap: clamp(2rem, 5vw, 4rem);
	padding-bottom: clamp(3rem, 6vw, 5rem);
}

.siol-hero__text {
	max-width: 32rem;
}

.siol-hero__title {
	margin-bottom: 1.5rem;
}

.siol-hero__media {
	position: relative;
}

@media (min-width: 900px) {
	.siol-hero__inner {
		grid-template-columns: minmax(20rem, 0.85fr) 1.15fr;
	}

	/* Illustration bleeds to the right viewport edge, as in the mockup. */
	.siol-hero__media {
		margin-right: calc(50% - 50vw);
	}
}

/* -----------------------------------------------------------------------------
 * Section shell
 * -------------------------------------------------------------------------- */

.siol-section {
	padding-block: var(--siol-section-y);
	background-color: var(--siol-paper);
}

/* Bands alternate down the page; set from PHP by section index. */
.siol-section--alt {
	background-color: var(--siol-paper-alt);
}

.siol-section__text .siol-prose > :where(h1, h2),
.siol-hero__text .siol-prose > :where(h1, h2) {
	margin-bottom: 1.25rem;
}

.siol-section__text > :last-child,
.siol-prose > :last-child {
	margin-bottom: 0;
}

/* --- Layout: media + text ------------------------------------------------- */

.siol-section--media .siol-section__inner {
	display: grid;
	align-items: center;
	gap: clamp(2.5rem, 6vw, 5rem);
}

@media (min-width: 900px) {
	.siol-section--media .siol-section__inner {
		grid-template-columns: 1fr 1fr;
	}

	/* Illustration first on alternating sections. */
	.siol-section--media-left .siol-section__media {
		order: -1;
	}
}

/* --- Layout: numbered steps ---------------------------------------------- */

.siol-section--steps .siol-section__inner {
	display: grid;
	align-items: start;
	gap: clamp(2.5rem, 6vw, 5rem);
}

@media (min-width: 900px) {
	.siol-section--steps .siol-section__inner {
		grid-template-columns: 0.9fr 1.1fr;
	}
}

/*
 * The numbered sequence from the mockup: a ringed counter, a bold title (the
 * leading <strong>) and a note. Applied to any ordered list in a steps
 * section, or to any list given the "Numbered steps" block style.
 */
:is(
	.siol-section--steps .siol-prose ol,
	.siol-prose ol.is-style-siol-steps,
	ol.is-style-siol-steps,
	.siol-steps
) {
	display: grid;
	gap: 1.5rem;
	margin: 2rem 0 0;
	padding: 0;
	list-style: none;
	counter-reset: siol-step;
}

:is(
	.siol-section--steps .siol-prose ol,
	.siol-prose ol.is-style-siol-steps,
	ol.is-style-siol-steps,
	.siol-steps
) > li {
	position: relative;
	min-height: 2.25rem;
	padding-left: 3.35rem;
	counter-increment: siol-step;
}

:is(
	.siol-section--steps .siol-prose ol,
	.siol-prose ol.is-style-siol-steps,
	ol.is-style-siol-steps,
	.siol-steps
) > li::before {
	position: absolute;
	top: 0;
	left: 0;
	display: grid;
	width: 2.25rem;
	height: 2.25rem;
	place-items: center;
	border: 1px solid var(--siol-rule-strong);
	border-radius: 999px;
	color: var(--siol-ink);
	font-family: var(--siol-font-display);
	font-size: 0.9375rem;
	content: counter(siol-step);
}

/* The editor's line break after the title is redundant once it is a block. */
:is(
	.siol-section--steps .siol-prose ol,
	.siol-prose ol.is-style-siol-steps,
	ol.is-style-siol-steps,
	.siol-steps
) > li > strong:first-child + br,
:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li > strong:first-child + br {
	display: none;
}

:is(
	.siol-section--steps .siol-prose ol,
	.siol-prose ol.is-style-siol-steps,
	ol.is-style-siol-steps,
	.siol-steps
) > li > strong:first-child {
	display: block;
	margin-bottom: 0.15rem;
	font-family: var(--siol-font-display);
	font-size: var(--siol-step-1);
	font-weight: 500;
	line-height: 1.3;
}

/* --- Layout: feature grid ------------------------------------------------ */

.siol-section--features .siol-section__inner {
	display: grid;
	align-items: center;
	gap: clamp(2.5rem, 6vw, 5rem);
}

@media (min-width: 900px) {
	.siol-section--features .siol-section__inner {
		grid-template-columns: 0.85fr 1.15fr;
	}
}

/*
 * The icon grid: leading <strong> is the feature name, the rest the
 * description. Applied to any unordered list in a features section, or to any
 * list given the "Feature grid" block style.
 */
:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) {
	display: grid;
	gap: 2rem clamp(1.5rem, 3vw, 2.5rem);
	margin: 2.5rem 0 0;
	padding: 0;
	list-style: none;
}

/* Hairline dividers between columns, as in the desktop mockup. They are only
   drawn between items sharing a row, so a wrapped row has no stray rule. */
@media (min-width: 640px) {
	:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li:not(:nth-child(2n + 1)) {
		padding-left: clamp(1.5rem, 3vw, 2.5rem);
		border-left: 1px solid var(--siol-rule);
	}
}

@media (min-width: 1100px) {
	:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li:not(:nth-child(2n + 1)) {
		padding-left: 0;
		border-left: 0;
	}

	:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li:not(:nth-child(3n + 1)) {
		padding-left: clamp(1.5rem, 3vw, 2.5rem);
		border-left: 1px solid var(--siol-rule);
	}
}

:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li {
	font-size: 0.9375rem;
	line-height: 1.6;
}

:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li::before {
	display: block;
	width: 1.5rem;
	height: 1.5rem;
	margin-bottom: 1rem;
	background-color: var(--siol-ink);
	content: "";
	-webkit-mask: var(--siol-icon, none) center / contain no-repeat;
	mask: var(--siol-icon, none) center / contain no-repeat;
}

:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li:nth-child(1) {
	--siol-icon: url("../svg/icon-scales.svg");
}

:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li:nth-child(2) {
	--siol-icon: url("../svg/icon-chart.svg");
}

:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li:nth-child(3) {
	--siol-icon: url("../svg/icon-database.svg");
}

:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li:nth-child(4) {
	--siol-icon: url("../svg/icon-code.svg");
}

:is(
	.siol-section--features .siol-prose ul,
	.siol-prose ul.is-style-siol-features,
	ul.is-style-siol-features,
	.siol-features
) > li > strong:first-child {
	display: block;
	margin-bottom: 0.3rem;
	font-size: var(--siol-step-0);
	font-weight: 600;
}

/* --- Layout: call to action ---------------------------------------------- */

.siol-section--cta {
	position: relative;
	overflow: hidden;
}

.siol-section--cta .siol-section__inner {
	display: grid;
	gap: clamp(2rem, 5vw, 3.5rem);
	align-items: center;
}

@media (min-width: 900px) {
	.siol-section--cta .siol-section__inner {
		grid-template-columns: 1fr 1fr;
	}

	.siol-section--cta .siol-section__media {
		order: -1;
	}
}

.siol-section--cta .siol-btn-row {
	margin-top: 1.5rem;
}

/* -----------------------------------------------------------------------------
 * Illustrations
 * -------------------------------------------------------------------------- */

.siol-illustration {
	position: relative;
	margin: 0;
}

/* Field-note specimen card: aged paper panel with a hairline border. */
.siol-illustration--framed {
	padding: clamp(1rem, 2.5vw, 1.75rem);
	background-color: var(--siol-card);
	border: 1px solid var(--siol-rule);
	border-radius: 0.25rem;
	box-shadow: 0 24px 48px -32px rgba(29, 47, 38, 0.4);
}

.siol-illustration img,
.siol-illustration svg {
	width: 100%;
	height: auto;
}

.siol-illustration__caption,
.siol-illustration figcaption {
	margin-top: 0.85rem;
	color: var(--siol-muted);
	font-family: var(--siol-font-display);
	font-size: var(--siol-step--1);
	font-style: italic;
	line-height: 1.45;
}

/* Placeholder shown until a featured image is set on the page. */
.siol-illustration--placeholder .siol-illustration__art {
	display: grid;
	aspect-ratio: 4 / 3;
	place-items: center;
	padding: 1.5rem;
	background-color: var(--siol-card);
	background-image: radial-gradient(
		circle at 30% 20%,
		rgba(53, 80, 55, 0.05),
		transparent 60%
	);
	border: 1px dashed var(--siol-rule-strong);
	border-radius: 0.25rem;
	color: var(--siol-green);
}

.siol-illustration--framed.siol-illustration--placeholder .siol-illustration__art {
	border: 0;
}

.siol-illustration--placeholder .siol-illustration__art svg {
	width: min(100%, 26rem);
	opacity: 0.8;
}

.siol-illustration__hint {
	position: absolute;
	right: 0.75rem;
	bottom: 0.75rem;
	margin: 0;
	color: var(--siol-muted);
	font-family: var(--siol-font-body);
	font-size: 0.6875rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
}

/* -----------------------------------------------------------------------------
 * Editor prose
 * -------------------------------------------------------------------------- */

.siol-prose {
	max-width: var(--siol-measure);
}

.siol-prose--wide {
	max-width: none;
}

.siol-prose > :first-child {
	margin-top: 0;
}

.siol-prose > h2 {
	margin-top: 2.5rem;
}

/* An eyebrow belongs to the heading below it, not to the text above. */
.siol-prose p.is-style-siol-eyebrow + :where(h1, h2, h3) {
	margin-top: 0;
}

.siol-prose > h3,
.siol-prose > h4 {
	margin-top: 2rem;
}

.siol-prose ul,
.siol-prose ol {
	margin: 0 0 1.15em;
	padding-left: 1.25rem;
}

.siol-prose li + li {
	margin-top: 0.4rem;
}

.siol-prose figure {
	margin: 2.5rem 0;
}

.siol-prose figcaption {
	margin-top: 0.75rem;
	color: var(--siol-muted);
	font-family: var(--siol-font-display);
	font-size: var(--siol-step--1);
	font-style: italic;
}

.siol-prose img {
	border-radius: 0.25rem;
}

.siol-prose .alignwide,
.siol-prose .alignfull {
	max-width: min(var(--siol-container), 100vw);
	margin-inline: auto;
}

.siol-prose table {
	width: 100%;
	border-collapse: collapse;
	margin-bottom: 1.5rem;
}

.siol-prose th,
.siol-prose td {
	padding: 0.6rem 0.75rem;
	border-bottom: 1px solid var(--siol-rule);
	text-align: left;
}

.siol-prose th {
	color: var(--siol-ink);
	font-size: var(--siol-step--1);
	font-weight: 600;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

/* Logo row for a "trusted by" style section. */
.siol-logos {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: clamp(1.5rem, 4vw, 3rem);
	margin: 2.5rem 0 0;
	padding: 0;
	list-style: none;
	color: var(--siol-ink);
	font-family: var(--siol-font-body);
	font-size: 0.875rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	text-transform: uppercase;
}