/*
Theme Name: KELCOM
Description: Custom WordPress theme for KELCOM Ústí nad Labem
Author: KELCOM / project team
Version: 0.1.0
Text Domain: kelcom
*/

/* Brand red comes from the original logo; action red (#c00) from kelcom-ul.css.
 * Colors and shared type/spacing values live in theme.json. */
:where(.wp-site-blocks, .editor-styles-wrapper) *,
:where(.wp-site-blocks, .editor-styles-wrapper) *::before,
:where(.wp-site-blocks, .editor-styles-wrapper) *::after {
	box-sizing: border-box;
}

/* Core's later :root flow rules add margins; these layouts already own their gaps. */
:root :is(
	.wp-site-blocks,
	.kelcom-home,
	.kelcom-header-row,
	.kelcom-brand,
	.kelcom-hero-grid,
	.kelcom-process-rail,
	.kelcom-section-heading,
	.kelcom-services-grid,
	.kelcom-experience-grid,
	.kelcom-experience-stage,
	.kelcom-service-layout,
	.kelcom-cta-layout,
	.kelcom-footer-layout,
	.kelcom-service-card
) > * {
	margin-block: 0;
}

:where(.wp-site-blocks, .editor-styles-wrapper) :where(a, button) {
	text-underline-offset: 0.2em;
}

:where(.wp-site-blocks, .editor-styles-wrapper) :where(a, button):focus-visible {
	outline: 3px solid currentColor;
	outline-offset: 4px;
}

.kelcom-container {
	width: calc(100% - 2 * var(--wp--preset--spacing--40));
	max-width: var(--wp--style--global--wide-size);
	margin-inline: auto;
}

.kelcom-section {
	padding-block: var(--wp--preset--spacing--60);
}

.kelcom-header {
	background: var(--wp--preset--color--background);
	border-bottom: 1px solid var(--wp--preset--color--border);
}

.kelcom-header-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--wp--preset--spacing--30);
	min-height: 96px;
	padding-block: var(--wp--preset--spacing--10);
}

.kelcom-brand {
	display: flex;
	align-items: center;
	flex-shrink: 0;
	gap: var(--wp--preset--spacing--20);
}

/* Unmodified https://www.kelcom-ul.cz/kellogo.gif (636 × 246), scaled down. */
.kelcom-logo {
	width: 178px;
	max-width: 100%;
	flex-shrink: 0;
}

.kelcom-logo a,
.kelcom-logo img {
	display: block;
}

.kelcom-logo img {
	width: 100%;
	height: auto;
}

.kelcom-location {
	display: none;
	max-width: 11ch;
	padding-left: var(--wp--preset--spacing--20);
	border-left: 1px solid var(--wp--preset--color--border);
	color: var(--wp--preset--color--muted);
	font-size: var(--wp--preset--font-size--small);
	line-height: 1.4;
}

.kelcom-wordmark {
	font-size: 2rem;
	font-weight: 800;
	letter-spacing: -0.055em;
	line-height: 1.15;
}

.kelcom-wordmark a {
	color: var(--wp--preset--color--brand);
	text-decoration: none;
}

.kelcom-eyebrow {
	display: flex;
	align-items: center;
	gap: var(--wp--preset--spacing--10);
	color: var(--wp--preset--color--muted);
	font-size: var(--wp--preset--font-size--small);
	font-weight: 600;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

/* The open chevron echoes the logo without modifying the original artwork. */
.kelcom-eyebrow::before,
.kelcom-service-card::before,
.kelcom-cta h2::before {
	content: "";
	flex-shrink: 0;
	width: 0.75rem;
	height: 1rem;
	background: var(--wp--preset--color--brand);
	clip-path: polygon(0 0, 45% 0, 100% 50%, 45% 100%, 0 100%, 55% 50%);
}

.kelcom-navigation .wp-block-navigation-item__content {
	display: flex;
	align-items: center;
	min-height: 44px;
	border-bottom: 2px solid transparent;
}

.kelcom-navigation .wp-block-navigation-item__content:hover,
.kelcom-navigation .current-menu-item > .wp-block-navigation-item__content {
	border-bottom-color: var(--wp--preset--color--brand);
	text-decoration: underline;
}

.kelcom-navigation .current-menu-item > .wp-block-navigation-item__content {
	font-weight: 700;
}

.kelcom-navigation .wp-block-navigation__responsive-container-open,
.kelcom-navigation .wp-block-navigation__responsive-container-close {
	align-items: center;
	justify-content: center;
	min-width: 48px;
	min-height: 48px;
}

.kelcom-navigation .wp-block-navigation__responsive-container.is-menu-open {
	padding: var(--wp--preset--spacing--40);
}

.kelcom-navigation .is-menu-open .wp-block-navigation-item__content {
	min-height: 48px;
}

.kelcom-hero-grid,
.kelcom-process-rail,
.kelcom-section-heading,
.kelcom-services-grid,
.kelcom-experience-grid,
.kelcom-service-layout,
.kelcom-cta-layout,
.kelcom-footer-layout {
	display: grid;
	gap: var(--wp--preset--spacing--50);
}

.kelcom-container :where(.wp-block-group, .wp-block-heading, .wp-block-buttons) {
	min-width: 0;
}

.kelcom-hero h1 {
	max-width: 21ch;
	margin-block: var(--wp--preset--spacing--20);
}

.kelcom-lead {
	max-width: 52ch;
	color: var(--wp--preset--color--muted);
	font-size: var(--wp--preset--font-size--lead);
}

.wp-block-buttons.kelcom-actions {
	gap: var(--wp--preset--spacing--20);
	margin-top: var(--wp--preset--spacing--30);
}

:where(.wp-site-blocks, .editor-styles-wrapper) .wp-block-button__link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 48px;
}

:where(.wp-site-blocks, .editor-styles-wrapper) .wp-block-button__link:focus-visible {
	outline-color: var(--wp--preset--color--graphite);
}

.kelcom-secondary .wp-block-button__link {
	border-color: var(--wp--preset--color--muted);
	background: var(--wp--preset--color--background);
	color: var(--wp--preset--color--graphite);
}

:where(.wp-site-blocks, .editor-styles-wrapper) .wp-block-button__link:hover,
.kelcom-secondary .wp-block-button__link:hover {
	background: var(--wp--preset--color--graphite);
	color: var(--wp--preset--color--background);
	text-decoration: underline;
}

/* Original monochrome SVGs are masks: their colors come only from theme tokens. */
.kelcom-art {
	background: var(--wp--preset--color--brand);
	mask-repeat: no-repeat;
	mask-position: center;
	mask-size: contain;
	pointer-events: none;
}

.kelcom-art--object {
	mask-image: url("assets/graphics/kelcom-network-plan.svg");
}

.kelcom-art--route {
	mask-image: url("assets/graphics/kelcom-signal-route.svg");
}

.kelcom-hero-media {
	position: relative;
	min-height: 260px;
}

.kelcom-hero-media::before {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: 0 var(--wp--custom--radius--large) var(--wp--custom--radius--large) 0;
	background: var(--wp--preset--color--brand);
	clip-path: polygon(12% 0, 100% 0, 100% 100%, 0 100%, 0 18%);
}

.kelcom-hero-media .kelcom-art {
	position: absolute;
	inset: var(--wp--preset--spacing--20) var(--wp--preset--spacing--20) var(--wp--preset--spacing--50);
	background: var(--wp--preset--color--background);
}

.kelcom-media-caption {
	position: absolute;
	bottom: 0;
	left: 0;
	padding: var(--wp--preset--spacing--10) var(--wp--preset--spacing--20);
	background: var(--wp--preset--color--canvas);
	color: var(--wp--preset--color--graphite);
	font-size: var(--wp--preset--font-size--small);
	font-weight: 600;
}

.kelcom-hero > .kelcom-process-rail {
	gap: var(--wp--preset--spacing--20);
	margin-top: var(--wp--preset--spacing--50);
	padding-top: var(--wp--preset--spacing--30);
	border-top: 1px solid var(--wp--preset--color--border);
}

.kelcom-process-rail h2 {
	font-size: var(--wp--preset--font-size--accent);
}

.kelcom-process-rail ol {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: var(--wp--preset--spacing--20) var(--wp--preset--spacing--30);
	padding-left: 0;
	list-style-position: inside;
	font-size: var(--wp--preset--font-size--base);
	font-weight: 600;
}

/* Native list numbers retain the sequence; the two-pixel route connects its nodes. */
.kelcom-process-rail li {
	position: relative;
	min-width: 0;
	padding-top: var(--wp--preset--spacing--30);
	overflow-wrap: break-word;
}

.kelcom-process-rail li::marker {
	color: var(--wp--preset--color--action);
}

.kelcom-process-rail li::before {
	content: "";
	position: absolute;
	top: 0;
	left: 0;
	z-index: 1;
	width: var(--wp--preset--spacing--10);
	height: var(--wp--preset--spacing--10);
	border: 2px solid var(--wp--preset--color--brand);
	border-radius: 50%;
	background: var(--wp--preset--color--canvas);
}

.kelcom-process-rail li::after {
	content: "";
	position: absolute;
	top: calc(var(--wp--preset--spacing--10) / 2 - 1px);
	left: calc(var(--wp--preset--spacing--10) / 2);
	width: calc(100% + var(--wp--preset--spacing--30));
	height: 2px;
	background: var(--wp--preset--color--brand);
	opacity: 0.3;
}

.kelcom-process-rail li:nth-child(3n)::after {
	display: none;
}

.kelcom-services {
	background: var(--wp--preset--color--surface);
}

.kelcom-section-heading h2 {
	max-width: 22ch;
}

.kelcom-container > .kelcom-services-grid {
	gap: var(--wp--preset--spacing--20);
	margin-top: var(--wp--preset--spacing--30);
}

/* On phones every service is a compact, equally actionable row. */
.kelcom-service-card {
	--kelcom-tile-text: var(--wp--preset--color--graphite);
	--kelcom-tile-accent: var(--wp--preset--color--brand);
	--kelcom-tile-surface: var(--wp--preset--color--background);
	position: relative;
	display: grid;
	grid-template-columns: 2rem minmax(0, 1fr) 0.75rem;
	align-items: baseline;
	gap: var(--wp--preset--spacing--20);
	min-height: 112px;
	padding: var(--wp--preset--spacing--20);
	border: 1px solid var(--wp--preset--color--border);
	border-radius: var(--wp--custom--radius--medium);
	background: var(--kelcom-tile-surface);
	color: var(--kelcom-tile-text);
	box-shadow: var(--wp--preset--shadow--panel);
	transition: border-color 160ms ease;
}

.kelcom-service-card--signal {
	--kelcom-tile-text: var(--wp--preset--color--background);
	--kelcom-tile-surface: var(--wp--preset--color--graphite);
}

.kelcom-service-card--contact {
	--kelcom-tile-text: var(--wp--preset--color--background);
	--kelcom-tile-accent: var(--wp--preset--color--background);
	--kelcom-tile-surface: var(--wp--preset--color--action);
}

.kelcom-service-card::before {
	grid-column: 3;
	grid-row: 1;
	background: var(--kelcom-tile-accent);
	transition: transform 160ms ease;
}

.kelcom-card-number {
	grid-column: 1;
	grid-row: 1;
	color: var(--kelcom-tile-accent);
	font-size: var(--wp--preset--font-size--accent);
	font-weight: 700;
	line-height: 1;
}

.kelcom-service-card h3 {
	grid-column: 2;
	grid-row: 1;
}

.kelcom-service-card a {
	color: var(--kelcom-tile-text);
	text-decoration: none;
}

.kelcom-service-card a::after {
	content: "";
	position: absolute;
	inset: 0;
	border-radius: var(--wp--custom--radius--medium);
}

.kelcom-service-card:hover,
.kelcom-service-card:focus-within {
	border-color: var(--wp--preset--color--action);
}

.kelcom-service-card:is(:hover, :focus-within)::before {
	transform: translateX(2px);
}

.kelcom-service-card:hover a,
.kelcom-service-card:focus-within a {
	text-decoration: underline;
}

.kelcom-service-card:focus-within {
	outline: 3px solid var(--wp--preset--color--graphite);
	outline-offset: 3px;
}

.kelcom-service-art {
	display: none;
}

/* The year sits in the foreground; the route remains a quiet, decorative layer. */
.kelcom-experience-stage {
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: flex-end;
	align-items: flex-start;
	gap: var(--wp--preset--spacing--20);
	min-height: 220px;
}

.kelcom-experience-stage .kelcom-art {
	position: absolute;
	inset: 0 0 25%;
	background: var(--wp--preset--color--graphite);
	opacity: 0.12;
}

.kelcom-year,
.kelcom-year-caption {
	position: relative;
	background: var(--wp--preset--color--canvas);
}

.kelcom-year {
	color: var(--wp--preset--color--brand);
	font-size: var(--wp--preset--font-size--year);
	font-weight: 700;
	letter-spacing: -0.075em;
	line-height: 0.9;
}

.kelcom-year-caption {
	padding-right: var(--wp--preset--spacing--20);
}

.kelcom-text-links {
	display: flex;
	flex-wrap: wrap;
	gap: var(--wp--preset--spacing--10) var(--wp--preset--spacing--30);
}

.kelcom-text-links a,
.kelcom-footer a {
	display: inline-flex;
	align-items: center;
	min-height: 44px;
}

/* A full-width service strip: vertical red/graphite on mobile, horizontal above. */
.kelcom-service-band {
	position: relative;
	padding-top: 0;
	background: var(--wp--preset--color--graphite);
	color: var(--wp--preset--color--background);
}

.kelcom-service-layout {
	position: relative;
}

.kelcom-service-layout > .kelcom-service-time {
	margin-inline: calc(-1 * var(--wp--preset--spacing--40));
	padding: var(--wp--preset--spacing--30) var(--wp--preset--spacing--40);
	background: var(--wp--preset--color--brand);
	clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--wp--preset--spacing--30)), calc(100% - var(--wp--preset--spacing--30)) 100%, 0 100%);
	font-size: var(--wp--preset--font-size--stat);
	font-weight: 700;
	letter-spacing: -0.06em;
	line-height: 1;
}

.kelcom-service-band a {
	color: inherit;
}

.kelcom-phone {
	font-size: var(--wp--preset--font-size--heading);
	font-weight: 700;
	letter-spacing: -0.025em;
}

.kelcom-phone a {
	display: inline-flex;
	align-items: center;
	min-height: 48px;
}

.kelcom-cta {
	background: var(--wp--preset--color--surface);
}

.kelcom-cta h2 {
	display: flex;
	align-items: center;
	gap: var(--wp--preset--spacing--20);
}

.kelcom-cta-layout > .kelcom-actions {
	margin-top: 0;
}

.kelcom-footer {
	padding-block: var(--wp--preset--spacing--50);
	border-top: 1px solid var(--wp--preset--color--border);
	background: var(--wp--preset--color--surface);
}

.kelcom-footer h2 {
	font-size: var(--wp--preset--font-size--base);
}

.kelcom-footer ul {
	list-style: none;
	padding: 0;
}

.kelcom-page {
	min-height: 50vh;
}

.kelcom-container > .kelcom-page-title {
	max-width: var(--wp--style--global--content-size);
	margin-inline: auto;
	margin-bottom: var(--wp--preset--spacing--50);
}

.kelcom-container :where(h1, h2, h3, p, a) {
	overflow-wrap: break-word;
}

@media (min-width: 600px) {
	.kelcom-location {
		display: block;
	}

	.kelcom-services-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.kelcom-hero-media {
		min-height: 300px;
	}

	.kelcom-service-card {
		display: flex;
		flex-direction: column;
		align-items: stretch;
		min-height: 180px;
		padding: var(--wp--preset--spacing--30);
	}

	.kelcom-service-card::before {
		position: absolute;
		top: var(--wp--preset--spacing--30);
		right: var(--wp--preset--spacing--30);
	}

	.kelcom-service-art {
		display: block;
		flex: 1;
		width: 100%;
		min-height: 96px;
	}

	.kelcom-service-band {
		padding-block: var(--wp--preset--spacing--50);
	}

	.kelcom-service-band::before {
		content: "";
		position: absolute;
		inset: 0 auto 0 0;
		width: max(14rem, calc((100% - var(--wp--style--global--wide-size)) / 2 + 14rem));
		background: var(--wp--preset--color--brand);
		clip-path: polygon(0 0, 100% 0, calc(100% - 2rem) 100%, 0 100%);
		pointer-events: none;
	}

	.kelcom-service-layout {
		grid-template-columns: 12rem minmax(0, 1fr);
		align-items: center;
		gap: var(--wp--preset--spacing--20) var(--wp--preset--spacing--50);
	}

	.kelcom-service-layout > .kelcom-service-time {
		grid-row: span 2;
		margin-inline: 0;
		padding: 0;
		background: none;
		clip-path: none;
	}

	.kelcom-service-call {
		grid-column: 2;
	}
}

@media (min-width: 768px) {
	.kelcom-hero-grid {
		grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
		align-items: center;
	}

	.kelcom-hero-media {
		min-height: 360px;
	}

	.kelcom-process-rail ol {
		grid-template-columns: repeat(6, minmax(0, 1fr));
	}

	.kelcom-process-rail li:nth-child(3)::after {
		display: block;
	}

	.kelcom-section-heading {
		grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
		align-items: end;
	}

	.kelcom-footer-layout {
		grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr) minmax(0, 1fr);
	}
}

@media (min-width: 1024px) {
	.kelcom-hero-grid {
		grid-template-columns: repeat(12, minmax(0, 1fr));
		gap: 0;
	}

	.kelcom-hero-copy {
		grid-column: 1 / 8;
		/* Reserve space beside the overlapping media even at the desktop breakpoint. */
		width: calc(100% - var(--wp--preset--spacing--20));
		max-width: 40rem;
		padding-right: var(--wp--preset--spacing--50);
	}

	.kelcom-hero-media {
		grid-column: 8 / -1;
		min-height: 420px;
		margin-left: calc(-1 * var(--wp--preset--spacing--40));
		margin-right: calc(-1 * var(--wp--preset--spacing--30));
	}

	.kelcom-media-caption {
		left: calc(-1 * var(--wp--preset--spacing--30));
	}

	.kelcom-process-rail {
		grid-template-columns: minmax(0, 1fr) minmax(0, 3fr);
		align-items: center;
	}

	/* Natural placement preserves the same service order visually and by keyboard. */
	.kelcom-services-grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	.kelcom-service-card--plan {
		grid-column: span 2;
		grid-row: span 2;
	}

	.kelcom-service-card--plan .kelcom-service-art {
		min-height: 220px;
	}

	.kelcom-service-card--signal {
		grid-column: span 2;
	}

	.kelcom-experience-grid {
		grid-template-columns: repeat(12, minmax(0, 1fr));
		column-gap: 0;
	}

	.kelcom-experience-heading,
	.kelcom-experience-copy {
		grid-column: 1 / 5;
		padding-right: var(--wp--preset--spacing--30);
	}

	.kelcom-experience-copy {
		grid-row: 2;
	}

	.kelcom-experience-stage {
		grid-column: 5 / -1;
		grid-row: 1 / 3;
		min-height: 320px;
		margin-left: var(--wp--preset--spacing--50);
	}

	.kelcom-service-layout {
		grid-template-columns: 12rem minmax(0, 1fr) auto;
	}

	.kelcom-service-layout > .kelcom-service-time {
		grid-row: auto;
	}

	.kelcom-service-call {
		grid-column: auto;
	}

	.kelcom-cta-layout {
		grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
		align-items: center;
	}
}

/* Match core's closed-menu states; keep its 600px desktop mode off until 1024px. */
@media not all and (min-width: 1024px) {
	.kelcom-navigation .wp-block-navigation__responsive-container:not(.hidden-by-default):not(.is-menu-open) {
		display: none;
	}

	.kelcom-navigation .wp-block-navigation__responsive-container-open:not(.always-shown) {
		display: flex;
	}
}

@media (prefers-reduced-motion: reduce) {
	.kelcom-service-card,
	.kelcom-service-card::before {
		transition: none;
	}

	.kelcom-service-card:is(:hover, :focus-within)::before {
		transform: none;
	}
}