/**
 * Presentation layout and components — Atmospheric Comfort System.
 */

.site-main--front,
.site-main--page {
	background: var(--ac-tech-background);
}

.site-main--page .entry-header {
	display: none;
}

.ac-tech-container {
	width: min(
		100% - (var(--ac-tech-grid-margin-mobile) * 2),
		var(--ac-tech-container)
	);
	margin-inline: auto;
}

@media (min-width: 48rem) {
	.ac-tech-container {
		width: min(
			100% - (var(--ac-tech-grid-margin-tablet) * 2),
			var(--ac-tech-container)
		);
	}
}

@media (min-width: 80rem) {
	.ac-tech-container {
		width: min(
			100% - (var(--ac-tech-grid-margin-desktop) * 2),
			var(--ac-tech-container)
		);
	}
}

.ac-tech-section {
	padding-block: var(--ac-tech-space-section);
}

/* Typography utilities */
.ac-tech-display-lg {
	font-size: var(--ac-tech-font-display-lg);
	font-weight: 700;
	line-height: 1.1;
	letter-spacing: -0.02em;
	color: var(--ac-tech-on-surface);
}

.ac-tech-headline-md {
	font-size: var(--ac-tech-font-headline-md);
	font-weight: 600;
	line-height: 1.3;
	letter-spacing: -0.01em;
	color: var(--ac-tech-on-surface);
}

.ac-tech-headline-sm {
	font-size: var(--ac-tech-font-headline-sm);
	font-weight: 600;
	line-height: 1.4;
	color: var(--ac-tech-on-surface);
}

.ac-tech-body-lg {
	font-size: var(--ac-tech-font-body-lg);
	line-height: 1.6;
	color: var(--ac-tech-on-surface-variant);
}

.ac-tech-label-md {
	font-size: var(--ac-tech-font-label-md);
	font-weight: 500;
	line-height: 1.2;
	letter-spacing: 0.01em;
}

.ac-tech-label-sm {
	font-size: var(--ac-tech-font-label-sm);
	font-weight: 600;
	line-height: 1.2;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

.ac-tech-section-header {
	margin-bottom: 2rem;
	text-align: center;
	max-width: 42rem;
	margin-inline: auto;
}

.ac-tech-section-header__title {
	margin: 0 0 0.75rem;
	font-size: var(--ac-tech-font-headline-md);
	line-height: 1.3;
	color: var(--ac-tech-on-surface);
}

.ac-tech-section-header__lead {
	margin: 0;
	color: var(--ac-tech-on-surface-variant);
	font-size: var(--ac-tech-font-body-lg);
}

/* Buttons */
.ac-tech-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.875rem 1.5rem;
	border-radius: var(--ac-tech-radius-full);
	font-size: var(--ac-tech-font-label-md);
	font-weight: 600;
	text-decoration: none;
	line-height: 1.2;
	border: 1.5px solid transparent;
	transition: background-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.ac-tech-btn--primary {
	background: var(--ac-tech-primary-container);
	color: var(--ac-tech-on-primary);
}

.ac-tech-btn--primary:visited {
	background: var(--ac-tech-primary-container);
	color: var(--ac-tech-on-primary);
}

.ac-tech-btn--primary:hover,
.ac-tech-btn--primary:focus {
	background: var(--ac-tech-primary);
	color: var(--ac-tech-on-primary);
	box-shadow: var(--ac-tech-shadow-glow);
}

.ac-tech-btn--secondary {
	background: transparent;
	color: var(--ac-tech-primary);
	border-color: var(--ac-tech-primary-container);
}

.ac-tech-btn--secondary:visited {
	background: transparent;
	color: var(--ac-tech-primary);
	border-color: var(--ac-tech-primary-container);
}

.ac-tech-btn--secondary:hover,
.ac-tech-btn--secondary:focus {
	background: var(--ac-tech-surface-container-low);
	color: var(--ac-tech-primary);
}

.ac-tech-btn--ghost {
	background: transparent;
	color: var(--ac-tech-navy);
	border-color: transparent;
}

.ac-tech-btn--ghost:visited {
	background: transparent;
	color: var(--ac-tech-navy);
	border-color: transparent;
}

.ac-tech-btn--ghost:hover,
.ac-tech-btn--ghost:focus {
	background: var(--ac-tech-surface-container-low);
	color: var(--ac-tech-navy);
}

.ac-tech-link {
	color: var(--ac-tech-primary);
	font-weight: 600;
	text-decoration: none;
}

.ac-tech-link:visited {
	color: var(--ac-tech-primary);
}

.ac-tech-link:hover,
.ac-tech-link:focus {
	color: var(--ac-tech-primary-container);
	text-decoration: underline;
}

/* Cards */
.ac-tech-card-grid {
	display: grid;
	gap: var(--ac-tech-grid-gutter);
	list-style: none;
	margin: 0;
	padding: 0;
	grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.ac-tech-card-grid--wide {
	grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
}

.ac-tech-card {
	background: var(--ac-tech-surface-container-lowest);
	border: 1px solid var(--ac-tech-outline-variant);
	border-radius: var(--ac-tech-radius-xl);
	padding: 2rem;
	box-shadow: var(--ac-tech-shadow-card);
}

.ac-tech-card__title {
	margin: 0 0 0.5rem;
	font-size: var(--ac-tech-font-headline-sm);
	color: var(--ac-tech-on-surface);
}

.ac-tech-card__text {
	margin: 0;
	color: var(--ac-tech-on-surface-variant);
	line-height: 1.6;
}

/* Chips / badges */
.ac-tech-chip {
	display: inline-flex;
	align-items: center;
	padding: 0.375rem 0.875rem;
	border-radius: var(--ac-tech-radius-full);
	background: var(--ac-tech-primary-fixed);
	color: var(--ac-tech-navy);
	font-size: var(--ac-tech-font-label-sm);
	font-weight: 600;
	letter-spacing: 0.05em;
	text-transform: uppercase;
}

/* Content */
.ac-tech-content {
	color: var(--ac-tech-on-surface);
	line-height: 1.7;
}

.ac-tech-content > :first-child {
	margin-top: 0;
}

.ac-tech-content > :last-child {
	margin-bottom: 0;
}

.ac-tech-section-footer {
	margin: 2rem 0 0;
	text-align: center;
}

/* Page hero */
.ac-tech-page-hero {
	background: linear-gradient(135deg, var(--ac-tech-surface-container-lowest) 0%, var(--ac-tech-surface-container) 100%);
	border-bottom: 1px solid var(--ac-tech-outline-variant);
	padding-block: clamp(2rem, 5vw, 3.5rem);
}

.ac-tech-page-hero__title {
	margin: 0 0 0.75rem;
	font-size: var(--ac-tech-font-display-lg);
	line-height: 1.15;
	color: var(--ac-tech-on-surface);
}

.ac-tech-page-hero__subtitle {
	margin: 0;
	max-width: 42rem;
	color: var(--ac-tech-on-surface-variant);
	font-size: var(--ac-tech-font-body-lg);
}

/* CTA band */
.ac-tech-cta {
	background: var(--ac-tech-inverse-surface);
	color: var(--ac-tech-inverse-on-surface);
	text-align: center;
}

.ac-tech-cta__title {
	margin: 0 0 0.75rem;
	font-size: var(--ac-tech-font-headline-md);
}

.ac-tech-cta__text {
	margin: 0 0 1.5rem;
	color: var(--ac-tech-outline-variant);
	max-width: 36rem;
	margin-inline: auto;
	font-size: var(--ac-tech-font-body-lg);
}

/* Values */
.ac-tech-values__list {
	display: grid;
	gap: var(--ac-tech-grid-gutter);
	list-style: none;
	margin: 1.5rem 0 0;
	padding: 0;
	grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
}

.ac-tech-values__label {
	margin: 0 0 0.35rem;
	font-size: var(--ac-tech-font-label-md);
	font-weight: 600;
	color: var(--ac-tech-on-surface);
}

.ac-tech-values__text {
	margin: 0;
	color: var(--ac-tech-on-surface-variant);
}

/* Contact */
.ac-tech-contact-layout {
	display: grid;
	gap: 2rem;
	margin-block: var(--ac-tech-space);
}

@media (min-width: 48rem) {
	.ac-tech-contact-layout {
		grid-template-columns: 1.4fr 1fr;
		align-items: start;
	}
}

.ac-tech-contact-info {
	background: var(--ac-tech-surface-container-lowest);
	border: 1px solid var(--ac-tech-outline-variant);
	border-radius: var(--ac-tech-radius-xl);
	padding: 2rem;
	box-shadow: var(--ac-tech-shadow-card);
}

.ac-tech-contact-info__title {
	margin: 0 0 1rem;
	font-size: var(--ac-tech-font-headline-sm);
}

.ac-tech-contact-info__list {
	list-style: none;
	margin: 0;
	padding: 0;
}

.ac-tech-contact-info__list li + li {
	margin-top: 1rem;
	padding-top: 1rem;
	border-top: 1px solid var(--ac-tech-outline-variant);
}

.ac-tech-contact-info__label {
	display: block;
	font-size: var(--ac-tech-font-label-sm);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--ac-tech-on-surface-variant);
	margin-bottom: 0.25rem;
}

.ac-tech-contact-info__list a {
	color: var(--ac-tech-primary);
}

/* Form inputs (for future sections / WP forms) */
.ac-tech-input,
.ac-tech-content input[type="text"],
.ac-tech-content input[type="email"],
.ac-tech-content input[type="tel"],
.ac-tech-content textarea {
	width: 100%;
	padding: 0.875rem 1rem;
	border: 1.5px solid transparent;
	border-radius: var(--ac-tech-radius);
	background: var(--ac-tech-surface-container-low);
	color: var(--ac-tech-on-surface);
	font: inherit;
	transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.ac-tech-input:focus,
.ac-tech-content input[type="text"]:focus,
.ac-tech-content input[type="email"]:focus,
.ac-tech-content input[type="tel"]:focus,
.ac-tech-content textarea:focus {
	outline: none;
	background: var(--ac-tech-surface-container-lowest);
	border-color: var(--ac-tech-primary-container);
	box-shadow: inset 0 0 0 1px rgb(0 180 216 / 8%);
}