/**
 * Layout & shell — header, footer, main, cookie banner, a11y
 */

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}
}

body {
	margin: 0;
	font-family: var(--teya-font-body);
	font-size: var(--teya-text-body-md);
	line-height: 1.6;
	color: var(--teya-color-on-background);
	background: var(--teya-color-background);
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

a:focus-visible,
button:focus-visible {
	outline: 2px solid var(--teya-color-secondary);
	outline-offset: 3px;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.skip-link:focus {
	position: fixed;
	top: var(--teya-space-md);
	left: var(--teya-space-md);
	z-index: 1000;
	width: auto;
	height: auto;
	padding: var(--teya-space-sm) var(--teya-space-md);
	clip: auto;
	background: var(--teya-color-surface-high);
	color: var(--teya-color-on-background);
	text-decoration: none;
	border-radius: var(--teya-radius-md);
}

.teya-container {
	width: min(100% - var(--teya-margin) * 2, var(--teya-container-max));
	margin-inline: auto;
}

/* Header */
.teya-site-header {
	position: sticky;
	top: 0;
	z-index: var(--teya-z-sticky-header);
	background: rgba(10, 10, 15, 0.55);
	border-bottom: 1px solid transparent;
	isolation: isolate;
	transition:
		background var(--teya-duration-base) var(--teya-easing),
		border-color var(--teya-duration-base) var(--teya-easing);
}

.teya-site-header::before {
	content: '';
	position: absolute;
	inset: 0;
	z-index: -1;
	pointer-events: none;
	background: rgba(10, 10, 15, 0);
	backdrop-filter: blur(0);
	-webkit-backdrop-filter: blur(0);
	transition:
		background var(--teya-duration-base) var(--teya-easing),
		backdrop-filter var(--teya-duration-base) var(--teya-easing);
}

.teya-site-header.is-scrolled {
	background: transparent;
	border-bottom: var(--teya-border-hairline);
}

.teya-site-header.is-scrolled::before {
	background: rgba(10, 10, 15, 0.92);
	backdrop-filter: blur(16px);
	-webkit-backdrop-filter: blur(16px);
}

@media (prefers-reduced-motion: reduce) {
	.teya-site-header {
		transition: none;
	}
}

.teya-site-header__inner,
.teya-site-header__shell {
	display: grid;
	grid-template-columns: auto 1fr auto;
	grid-template-areas: 'brand nav cta';
	align-items: center;
	gap: var(--teya-space-md);
	min-height: var(--teya-header-height);
}

.teya-site-header__brand {
	grid-area: brand;
}

.teya-site-header__toggle {
	grid-area: toggle;
}

.teya-site-header__logo {
	display: inline-flex;
	align-items: center;
	flex-shrink: 0;
	color: inherit;
	text-decoration: none;
}

.teya-site-header__logo-img {
	display: block;
	height: 32px;
	width: auto;
	max-width: min(140px, 36vw);
}

.teya-nav--primary {
	grid-area: nav;
	display: flex;
	justify-content: center;
	justify-self: center;
	min-width: 0;
}

.teya-site-header__cta {
	grid-area: cta;
	flex-shrink: 0;
	justify-self: end;
}

.teya-mobile-nav__footer {
	display: none;
}

.teya-site-header__overlay {
	display: none;
}

.teya-site-header__cta-btn {
	white-space: nowrap;
	padding-inline: 18px;
	font-size: var(--teya-text-body-sm);
	min-height: 44px;
}

.teya-site-header__logo-mark {
	width: 32px;
	height: 32px;
	border-radius: var(--teya-radius-md);
	background: var(--teya-gradient-hero);
	box-shadow: var(--teya-shadow-glow-purple);
}

.teya-site-header__toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	width: 48px;
	height: 48px;
	padding: 0;
	background: transparent;
	border: var(--teya-border-card);
	border-radius: var(--teya-radius-md);
	cursor: pointer;
}

.teya-site-header__toggle-bar {
	display: block;
	width: 22px;
	height: 2px;
	margin-inline: auto;
	background: var(--teya-color-on-background);
	transition:
		transform var(--teya-duration-base) var(--teya-easing),
		opacity var(--teya-duration-fast) var(--teya-easing);
}

.teya-site-header__toggle[aria-expanded='true'] .teya-site-header__toggle-bar:nth-child(2) {
	transform: translateY(7px) rotate(45deg);
}

.teya-site-header__toggle[aria-expanded='true'] .teya-site-header__toggle-bar:nth-child(3) {
	opacity: 0;
}

.teya-site-header__toggle[aria-expanded='true'] .teya-site-header__toggle-bar:nth-child(4) {
	transform: translateY(-7px) rotate(-45deg);
}

.teya-nav__list {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--teya-space-md);
	margin: 0;
	padding: 0;
	list-style: none;
}

.teya-nav__link {
	color: var(--teya-color-on-background);
	text-decoration: none;
	font-weight: 500;
	padding: var(--teya-space-sm) 0;
}

.teya-nav__link:hover,
.teya-nav__link:focus-visible {
	color: var(--teya-color-secondary);
}

/* Main */
.teya-main {
	padding-block: var(--teya-section-y);
}

.teya-main--front,
.teya-main--landing {
	padding-block: 0;
}

.teya-page-header__title {
	font-family: var(--teya-font-display);
	font-size: var(--teya-text-display-lg);
	font-weight: 700;
	line-height: 1.12;
	letter-spacing: -0.03em;
	margin: var(--teya-space-md) 0;
}

.teya-page-header__lead {
	max-width: 60ch;
	color: var(--teya-color-muted);
	margin: 0 0 var(--teya-space-xl);
}

.teya-blog-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: var(--teya-space-xl);
}

.teya-post-card.card-glass {
	display: flex;
	flex-direction: column;
	height: 100%;
	padding: 0;
	overflow: hidden;
	border-radius: var(--teya-radius-xxl);
	box-shadow: var(--teya-shadow-border);
}

.teya-post-card__body,
.teya-blog-card__body {
	padding: var(--teya-space-md) var(--teya-space-lg) var(--teya-space-lg);
}

.teya-post-card__media {
	display: block;
	border-radius: 0;
	overflow: hidden;
	margin-bottom: 0;
}

.teya-post-card__img,
.teya-blog-card__img {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
	display: block;
}

.teya-post-card__title {
	font-family: var(--teya-font-display);
	font-size: var(--teya-text-headline-sm);
	line-height: 1.3;
	margin: 0 0 var(--teya-space-sm);
}

.teya-post-card__excerpt,
.teya-blog-card__excerpt {
	color: var(--teya-color-muted);
	margin: 0 0 var(--teya-space-md);
	line-height: 1.55;
}

.teya-post-card__date {
	font-size: var(--teya-text-body-sm);
	color: var(--teya-color-muted);
}

.teya-article__footer,
.teya-error-page__actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--teya-space-md);
	margin-top: var(--teya-space-xl);
}

.teya-article__header {
	margin-bottom: var(--teya-space-xl);
}

.teya-article__title {
	font-family: var(--teya-font-display);
	font-size: clamp(1.75rem, 4vw, 2.5rem);
	line-height: 1.15;
	margin: var(--teya-space-md) 0;
}

.teya-article__meta {
	display: flex;
	flex-wrap: wrap;
	gap: var(--teya-space-md);
	color: var(--teya-color-muted);
	font-size: var(--teya-text-body-sm);
	margin-bottom: var(--teya-space-lg);
}

.teya-article__cover {
	margin: 0 0 var(--teya-space-xl);
	border-radius: var(--teya-radius-lg);
	overflow: hidden;
}

.teya-article__cover-img {
	display: block;
	width: 100%;
	height: auto;
}

.teya-article__content {
	max-width: 72ch;
}

.teya-article__content h2,
.teya-article__content h3 {
	font-family: var(--teya-font-display);
	margin: var(--teya-space-xl) 0 var(--teya-space-md);
}

.teya-article__content p,
.teya-article__content ul,
.teya-article__content ol,
.teya-article__content blockquote {
	margin: 0 0 var(--teya-space-md);
}

.teya-article__content blockquote {
	padding: var(--teya-space-md) var(--teya-space-lg);
	border-left: 3px solid var(--teya-color-accent);
	background: var(--teya-color-surface-low);
	border-radius: 0 var(--teya-radius-md) var(--teya-radius-md) 0;
}

.teya-article__content a {
	color: var(--teya-color-accent);
}

.teya-article__content table {
	width: 100%;
	border-collapse: collapse;
	margin: var(--teya-space-lg) 0;
	font-size: var(--teya-text-body-sm);
}

.teya-article__content th,
.teya-article__content td {
	padding: var(--teya-space-sm) var(--teya-space-md);
	border: var(--teya-border-hairline);
	text-align: left;
}

/* Footer */
.teya-site-footer {
	padding-block: var(--teya-space-xxl) var(--teya-space-xl);
	background: var(--teya-color-surface-lowest);
	border-top: var(--teya-border-hairline);
}

.teya-site-footer__grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: var(--teya-space-xl);
}

.teya-site-footer__heading {
	font-family: var(--teya-font-display);
	font-size: var(--teya-text-headline-sm);
	margin: 0 0 var(--teya-space-md);
}

.teya-footer-nav__list,
.teya-footer-contacts {
	margin: 0;
	padding: 0;
	list-style: none;
}

.teya-footer-nav__list li + li,
.teya-footer-contacts li + li {
	margin-top: var(--teya-space-sm);
}

.teya-footer-nav__list a,
.teya-footer-contacts a {
	color: var(--teya-color-muted);
	text-decoration: none;
}

.teya-footer-nav__list a:hover,
.teya-footer-contacts a:focus-visible,
.teya-footer-nav__list a:focus-visible {
	color: var(--teya-color-secondary);
}

.teya-site-footer__cta {
	margin-top: var(--teya-space-md);
}

.teya-site-footer__legal {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: var(--teya-space-md);
	margin-top: var(--teya-space-xxl);
	padding-top: var(--teya-space-lg);
	border-top: var(--teya-border-hairline);
}

.teya-footer-nav__list--legal {
	display: flex;
	flex-wrap: wrap;
	gap: var(--teya-space-md);
}

.teya-site-footer__copy {
	margin: 0;
	color: var(--teya-color-muted);
	font-size: var(--teya-text-body-sm);
}

/* Cookie banner */
.teya-cookie-banner {
	position: fixed;
	right: 0;
	bottom: 0;
	left: 0;
	z-index: var(--teya-z-cookie-banner);
	padding: var(--teya-space-md);
	background: var(--teya-color-surface-container);
	border-top: var(--teya-border-accent);
	box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5);
}

.teya-cookie-banner[hidden] {
	display: none;
}

.teya-cookie-banner__inner {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: var(--teya-space-md);
}

.teya-cookie-banner__text {
	flex: 1 1 280px;
	margin: 0;
	color: var(--teya-color-muted);
	font-size: var(--teya-text-body-sm);
}

.teya-cookie-banner__actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--teya-space-sm);
}

/* Mobile nav */
@media (max-width: 960px) {
	.teya-site-header__shell {
		grid-template-columns: 1fr auto;
		grid-template-areas: 'brand toggle';
	}

	.teya-site-header__toggle {
		display: flex;
	}

	.teya-site-header__cta {
		display: none;
	}

	.teya-site-header__overlay {
		display: block;
		position: fixed;
		inset: 0;
		z-index: calc(var(--teya-z-sticky-header) + 12);
		border: 0;
		padding: 0;
		margin: 0;
		background: rgba(4, 4, 8, 0.62);
		opacity: 0;
		visibility: hidden;
		pointer-events: none;
		cursor: pointer;
		transition:
			opacity var(--teya-duration-base) var(--teya-easing),
			visibility var(--teya-duration-base) var(--teya-easing);
	}

	.teya-site-header__overlay.is-visible {
		opacity: 1;
		visibility: visible;
		pointer-events: auto;
	}

	.teya-nav--primary {
		position: fixed;
		top: 0;
		right: 0;
		bottom: 0;
		left: auto;
		width: min(100vw, 21.5rem);
		max-width: 100%;
		z-index: calc(var(--teya-z-sticky-header) + 16);
		display: flex;
		flex-direction: column;
		align-items: stretch;
		justify-content: flex-start;
		padding: calc(var(--teya-header-height) + var(--teya-space-lg)) var(--teya-space-xl) var(--teya-space-xl);
		background: rgba(12, 12, 18, 0.98);
		border-left: var(--teya-border-hairline);
		box-shadow: -12px 0 40px rgba(0, 0, 0, 0.45);
		overflow-y: auto;
		-webkit-overflow-scrolling: touch;
		transform: translate3d(100%, 0, 0);
		visibility: hidden;
		pointer-events: none;
		transition: transform var(--teya-duration-base) var(--teya-easing), visibility var(--teya-duration-base) var(--teya-easing);
	}

	.teya-nav--primary.is-open {
		transform: translate3d(0, 0, 0);
		visibility: visible;
		pointer-events: auto;
	}

	.teya-nav__list--primary {
		flex-direction: column;
		align-items: stretch;
		gap: 0;
		width: 100%;
	}

	.teya-nav__link {
		width: 100%;
		font-size: var(--teya-text-body-lg);
		min-height: 52px;
		padding: var(--teya-space-md) 0;
		border-bottom: 1px solid rgba(255, 255, 255, 0.08);
		border-radius: 0;
	}

	.teya-nav__link--disabled {
		opacity: 0.45;
	}

	.teya-mobile-nav__footer {
		display: flex;
		margin-top: auto;
		padding-top: var(--teya-space-xl);
	}

	.teya-mobile-nav__cta {
		width: 100%;
		justify-content: center;
	}

	body.teya-nav-open {
		overflow: hidden;
	}

	.teya-site-footer__grid {
		grid-template-columns: 1fr 1fr;
	}
}

@media (max-width: 560px) {
	.teya-site-footer__grid {
		grid-template-columns: 1fr;
	}

	.teya-site-header__cta-btn {
		display: none;
	}
}