/*
Theme Name: AI Automation Lab
Theme URI: https://ai-automation-lab.example
Author: AI Automation Lab
Author URI: https://exnoos.com
Description: Conversion-optimiertes, minimalistisches Tech-Blog-Theme für AI Automation Content. SEO-orientiert, skalierbare Template-Parts, vorbereitet für Newsletter und Content-Automation.
Version: 1.0.1
Requires at least: 6.4
Tested up to: 6.9
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ai-automation-lab
Tags: blog, custom-menu, featured-images, full-width-template, theme-options, translation-ready, block-styles
*/

/* ==========================================================================
   Design Tokens — Dark-Mode-ready
   ========================================================================== */

:root {
	color-scheme: light dark;
	--aal-primary: #0b0f19;
	--aal-accent: #4f46e5;
	--aal-success: #22c55e;
	--aal-bg: #f9fafb;
	--aal-surface: #ffffff;
	--aal-text: #111827;
	--aal-muted: #6b7280;
	--aal-border: #e5e7eb;
	--aal-radius: 12px;
	--aal-radius-sm: 8px;
	--aal-shadow: 0 1px 2px rgba(11, 15, 25, 0.06), 0 8px 24px rgba(11, 15, 25, 0.06);
	--aal-font: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
	--aal-max: 1120px;
	--aal-header-h: 72px;
}

html[data-theme="dark"] {
	color-scheme: dark;
	--aal-primary: #f3f4f6;
	--aal-accent: #818cf8;
	--aal-success: #4ade80;
	--aal-bg: #0b0f19;
	--aal-surface: #111827;
	--aal-text: #f9fafb;
	--aal-muted: #9ca3af;
	--aal-border: #1f2937;
	--aal-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 40px rgba(0, 0, 0, 0.35);
}

@media (prefers-color-scheme: dark) {
	html:not([data-theme="light"]) {
		color-scheme: dark;
		--aal-primary: #f3f4f6;
		--aal-accent: #818cf8;
		--aal-success: #4ade80;
		--aal-bg: #0b0f19;
		--aal-surface: #111827;
		--aal-text: #f9fafb;
		--aal-muted: #9ca3af;
		--aal-border: #1f2937;
		--aal-shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 40px rgba(0, 0, 0, 0.35);
	}
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: var(--aal-font);
	font-size: 1.0625rem;
	line-height: 1.65;
	color: var(--aal-text);
	background: var(--aal-bg);
	-webkit-font-smoothing: antialiased;
}

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

a {
	color: var(--aal-accent);
	text-decoration-thickness: 1px;
	text-underline-offset: 0.15em;
}

a:hover {
	opacity: 0.92;
}

/* Skip link */
.aal-skip {
	position: absolute;
	left: -9999px;
	top: 0;
	z-index: 99999;
	padding: 0.75rem 1rem;
	background: var(--aal-accent);
	color: #fff;
	font-weight: 600;
}

.aal-skip:focus {
	left: 1rem;
	top: 1rem;
	outline: 2px solid var(--aal-success);
}

.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;
}

/* Layout */
.aal-wrap {
	width: min(100% - 2rem, var(--aal-max));
	margin-inline: auto;
}

.aal-section {
	padding-block: clamp(3rem, 6vw, 5rem);
}

.aal-section--tight {
	padding-block: clamp(2rem, 4vw, 3rem);
}

.aal-section__head {
	max-width: 42rem;
	margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.aal-kicker {
	font-size: 0.8125rem;
	font-weight: 600;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	color: var(--aal-accent);
	margin: 0 0 0.5rem;
}

.aal-h1 {
	font-size: clamp(2.25rem, 5vw, 3.5rem);
	line-height: 1.1;
	font-weight: 700;
	letter-spacing: -0.03em;
	margin: 0 0 1rem;
	color: var(--aal-primary);
}

.aal-h2 {
	font-size: clamp(1.75rem, 3vw, 2.25rem);
	line-height: 1.2;
	font-weight: 700;
	letter-spacing: -0.02em;
	margin: 0 0 0.75rem;
	color: var(--aal-primary);
}

.aal-h3 {
	font-size: 1.25rem;
	font-weight: 600;
	margin: 0 0 0.5rem;
	color: var(--aal-primary);
}

.aal-lead {
	font-size: 1.2rem;
	color: var(--aal-muted);
	margin: 0;
	line-height: 1.6;
}

/* Header — fest dunkel (Tech-Branding), abgrenzbar vom Standard-Theme */
.aal-header {
	position: sticky;
	top: 0;
	z-index: 100;
	background: #0b0f19;
	color: #f9fafb;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
	backdrop-filter: none;
	box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.aal-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: var(--aal-header-h);
	gap: 1rem;
}

.aal-header .aal-logo {
	color: #f9fafb;
}

.aal-logo {
	display: flex;
	align-items: center;
	gap: 0.6rem;
	text-decoration: none;
	color: var(--aal-primary);
	font-weight: 700;
	font-size: 1.05rem;
	letter-spacing: -0.02em;
}

.aal-logo__mark {
	width: 36px;
	height: 36px;
	border-radius: 10px;
	background: linear-gradient(135deg, var(--aal-accent), #6366f1);
	box-shadow: var(--aal-shadow);
}

.aal-logo:hover {
	opacity: 1;
	color: var(--aal-accent);
}

.aal-header .aal-logo:hover {
	color: #a5b4fc;
}

.aal-logo .custom-logo-link,
.aal-logo .custom-logo-link img {
	display: block;
	max-height: 40px;
	width: auto;
}

.aal-logo:has(.custom-logo-link) .aal-logo__mark {
	display: none;
}

.aal-nav-toggle {
	display: none;
	border: 1px solid var(--aal-border);
	background: var(--aal-surface);
	border-radius: var(--aal-radius-sm);
	padding: 0.5rem 0.75rem;
	font: inherit;
	cursor: pointer;
	color: var(--aal-primary);
}

.aal-header .aal-nav-toggle {
	background: rgba(255, 255, 255, 0.06);
	border-color: rgba(255, 255, 255, 0.15);
	color: #f9fafb;
}

.aal-nav {
	display: flex;
	align-items: center;
	gap: 0.25rem;
	flex-wrap: wrap;
}

.aal-nav a {
	display: inline-block;
	padding: 0.45rem 0.65rem;
	border-radius: var(--aal-radius-sm);
	color: var(--aal-muted);
	text-decoration: none;
	font-weight: 500;
	font-size: 0.9375rem;
}

.aal-header .aal-nav a {
	color: rgba(249, 250, 251, 0.78);
}

.aal-nav a:hover,
.aal-nav .current-menu-item > a,
.aal-nav .current_page_item > a {
	color: var(--aal-primary);
	background: color-mix(in srgb, var(--aal-border) 45%, transparent);
}

.aal-header .aal-nav a:hover,
.aal-header .aal-nav .current-menu-item > a,
.aal-header .aal-nav .current_page_item > a {
	color: #fff;
	background: rgba(255, 255, 255, 0.1);
}

.aal-header__actions {
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.aal-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.4rem;
	padding: 0.65rem 1.1rem;
	border-radius: var(--aal-radius-sm);
	font-weight: 600;
	font-size: 0.9375rem;
	text-decoration: none;
	border: 1px solid transparent;
	cursor: pointer;
	font-family: inherit;
	transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.aal-btn:active {
	transform: translateY(1px);
}

.aal-btn--primary {
	background: var(--aal-accent);
	color: #fff;
	box-shadow: 0 2px 8px rgba(79, 70, 229, 0.35);
}

.aal-btn--primary:hover {
	opacity: 1;
	filter: brightness(1.05);
}

.aal-btn--ghost {
	background: transparent;
	color: var(--aal-primary);
	border-color: var(--aal-border);
}

.aal-btn--ghost:hover {
	border-color: var(--aal-accent);
	color: var(--aal-accent);
}

.aal-btn--success {
	background: var(--aal-success);
	color: #052e16;
}

.aal-theme-toggle {
	width: 42px;
	height: 42px;
	border-radius: var(--aal-radius-sm);
	border: 1px solid var(--aal-border);
	background: var(--aal-surface);
	cursor: pointer;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 1.1rem;
	color: var(--aal-primary);
}

.aal-header .aal-theme-toggle {
	background: rgba(255, 255, 255, 0.06);
	border-color: rgba(255, 255, 255, 0.15);
	color: #f9fafb;
}

/* Hero */
.aal-hero {
	padding-block: clamp(3.5rem, 8vw, 6rem);
	border-bottom: 1px solid var(--aal-border);
	background:
		radial-gradient(120% 80% at 100% 0%, color-mix(in srgb, var(--aal-accent) 12%, transparent), transparent),
		var(--aal-bg);
}

.aal-hero__grid {
	display: grid;
	gap: 2rem;
	align-items: start;
	grid-template-columns: 1fr;
}

@media (min-width: 900px) {
	.aal-hero__grid {
		grid-template-columns: 1.15fr 0.85fr;
	}
}

.aal-hero__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 1.75rem;
}

.aal-hero__card {
	background: var(--aal-surface);
	border: 1px solid var(--aal-border);
	border-radius: var(--aal-radius);
	padding: 1.5rem;
	box-shadow: var(--aal-shadow);
}

.aal-hero__stat {
	display: flex;
	gap: 1rem;
	margin-top: 1.25rem;
	padding-top: 1.25rem;
	border-top: 1px solid var(--aal-border);
}

.aal-hero__stat strong {
	display: block;
	font-size: 1.5rem;
	color: var(--aal-primary);
}

.aal-hero__stat span {
	font-size: 0.875rem;
	color: var(--aal-muted);
}

/* Grids */
.aal-grid {
	display: grid;
	gap: 1.25rem;
	grid-template-columns: 1fr;
}

@media (min-width: 640px) {
	.aal-grid--3 {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 960px) {
	.aal-grid--3 {
		grid-template-columns: repeat(3, 1fr);
	}
}

.aal-post-card {
	margin: 0;
}

/* Cards */
.aal-card {
	display: flex;
	flex-direction: column;
	height: 100%;
	background: var(--aal-surface);
	border: 1px solid var(--aal-border);
	border-radius: var(--aal-radius);
	overflow: hidden;
	box-shadow: var(--aal-shadow);
	text-decoration: none;
	color: inherit;
	transition: border-color 0.15s ease, transform 0.15s ease;
}

.aal-card:hover {
	border-color: color-mix(in srgb, var(--aal-accent) 55%, var(--aal-border));
	transform: translateY(-2px);
	opacity: 1;
}

.aal-card__media {
	aspect-ratio: 16 / 9;
	background: linear-gradient(145deg, var(--aal-border), color-mix(in srgb, var(--aal-accent) 15%, var(--aal-border)));
}

.aal-card__body {
	padding: 1.25rem 1.35rem 1.35rem;
	display: flex;
	flex-direction: column;
	flex: 1;
	gap: 0.5rem;
}

.aal-card__meta {
	font-size: 0.8125rem;
	color: var(--aal-muted);
}

.aal-card__title {
	font-size: 1.125rem;
	font-weight: 600;
	margin: 0;
	color: var(--aal-primary);
	line-height: 1.35;
}

.aal-card__excerpt {
	margin: 0;
	font-size: 0.9375rem;
	color: var(--aal-muted);
	flex: 1;
}

.aal-badge {
	display: inline-block;
	font-size: 0.6875rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	padding: 0.2rem 0.5rem;
	border-radius: 999px;
	background: color-mix(in srgb, var(--aal-accent) 18%, transparent);
	color: var(--aal-accent);
	width: fit-content;
}

/* Feature / steps */
.aal-steps {
	display: grid;
	gap: 1rem;
	grid-template-columns: 1fr;
}

@media (min-width: 768px) {
	.aal-steps {
		grid-template-columns: repeat(3, 1fr);
	}
}

.aal-step {
	padding: 1.5rem;
	border-radius: var(--aal-radius);
	border: 1px solid var(--aal-border);
	background: var(--aal-surface);
	position: relative;
}

.aal-step__num {
	width: 2rem;
	height: 2rem;
	border-radius: 8px;
	background: var(--aal-primary);
	color: var(--aal-bg);
	display: flex;
	align-items: center;
	justify-content: center;
	font-weight: 700;
	font-size: 0.875rem;
	margin-bottom: 1rem;
}

/* Split section */
.aal-split {
	display: grid;
	gap: 2rem;
	align-items: start;
}

@media (min-width: 840px) {
	.aal-split {
		grid-template-columns: 1fr 1fr;
	}
}

.aal-list-check {
	list-style: none;
	padding: 0;
	margin: 1rem 0 0;
}

.aal-list-check li {
	position: relative;
	padding-left: 1.75rem;
	margin-bottom: 0.65rem;
	color: var(--aal-muted);
}

.aal-list-check li::before {
	content: "";
	position: absolute;
	left: 0;
	top: 0.35rem;
	width: 1rem;
	height: 1rem;
	border-radius: 4px;
	background: color-mix(in srgb, var(--aal-success) 25%, transparent);
	box-shadow: inset 0 0 0 2px var(--aal-success);
}

/* CTA band */
.aal-cta {
	border-radius: var(--aal-radius);
	padding: clamp(2rem, 4vw, 3rem);
	background: linear-gradient(120deg, var(--aal-primary), #1e293b 60%, var(--aal-accent));
	color: #e5e7eb;
	position: relative;
	overflow: hidden;
}

.aal-cta--surface {
	background: var(--aal-surface);
	color: var(--aal-text);
	border: 1px solid var(--aal-border);
}

.aal-cta h2 {
	color: inherit;
	margin: 0 0 0.5rem;
}

.aal-cta p {
	margin: 0;
	opacity: 0.9;
	max-width: 40rem;
}

.aal-cta__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 1.25rem;
}

.aal-cta .aal-btn--ghost {
	border-color: rgba(255, 255, 255, 0.35);
	color: #fff;
}

.aal-cta .aal-btn--primary {
	background: #fff;
	color: var(--aal-accent);
	box-shadow: none;
}

/* Newsletter placeholder */
.aal-newsletter {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 1rem;
	max-width: 32rem;
}

.aal-newsletter input[type="email"] {
	flex: 1 1 200px;
	padding: 0.7rem 1rem;
	border-radius: var(--aal-radius-sm);
	border: 1px solid var(--aal-border);
	background: var(--aal-surface);
	color: var(--aal-text);
	font: inherit;
}

.aal-newsletter input:focus {
	outline: 2px solid var(--aal-accent);
	outline-offset: 1px;
}

.aal-newsletter__hint {
	font-size: 0.8125rem;
	color: var(--aal-muted);
	margin: 0.5rem 0 0;
	width: 100%;
}

/* Blog filters */
.aal-filters {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-bottom: 2rem;
}

.aal-filter {
	display: inline-flex;
	padding: 0.45rem 0.85rem;
	border-radius: 999px;
	font-size: 0.875rem;
	font-weight: 600;
	text-decoration: none;
	border: 1px solid var(--aal-border);
	color: var(--aal-muted);
	background: var(--aal-surface);
}

.aal-filter:hover,
.aal-filter--active {
	border-color: var(--aal-accent);
	color: var(--aal-accent);
	background: color-mix(in srgb, var(--aal-accent) 10%, var(--aal-surface));
	opacity: 1;
}

/* Single post */
.aal-single__hero {
	padding-block: clamp(2rem, 5vw, 3.5rem);
	border-bottom: 1px solid var(--aal-border);
}

.aal-single__layout {
	display: grid;
	gap: 2.5rem;
	padding-block: 2.5rem;
}

@media (min-width: 960px) {
	.aal-single__layout {
		grid-template-columns: minmax(0, 1fr) 260px;
		align-items: start;
	}
}

.aal-prose {
	max-width: 65ch;
	font-size: 1.0625rem;
}

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

.aal-prose h2,
.aal-prose h3 {
	scroll-margin-top: calc(var(--aal-header-h) + 1rem);
}

.aal-prose h2 {
	font-size: clamp(1.5rem, 2.5vw, 1.875rem);
	margin-top: 2.25rem;
}

.aal-prose h3 {
	font-size: 1.25rem;
	margin-top: 1.75rem;
}

.aal-prose p,
.aal-prose ul,
.aal-prose ol {
	margin: 1rem 0;
}

.aal-prose pre,
.aal-prose code {
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
	font-size: 0.9375em;
}

.aal-prose pre {
	padding: 1rem 1.1rem;
	border-radius: var(--aal-radius-sm);
	background: var(--aal-primary);
	color: #e5e7eb;
	overflow-x: auto;
	border: 1px solid var(--aal-border);
}

.aal-prose code {
	background: color-mix(in srgb, var(--aal-border) 70%, transparent);
	padding: 0.15em 0.35em;
	border-radius: 6px;
}

.aal-prose pre code {
	background: none;
	padding: 0;
}

/* Block-Editor Ausrichtung */
.entry-content .alignwide {
	max-width: min(100%, 72rem);
	margin-left: auto;
	margin-right: auto;
}

.entry-content .alignfull {
	max-width: none;
	width: 100vw;
	margin-left: calc(50% - 50vw);
	margin-right: calc(50% - 50vw);
}

.entry-content .wp-block-image,
.entry-content .wp-block-table {
	margin: 1.5rem 0;
}

.entry-content .wp-block-quote {
	border-left: 4px solid var(--aal-accent);
	padding-left: 1rem;
	margin: 1.5rem 0;
	color: var(--aal-muted);
}

/* TOC */
.aal-toc {
	position: sticky;
	top: calc(var(--aal-header-h) + 1rem);
	border: 1px solid var(--aal-border);
	border-radius: var(--aal-radius);
	padding: 1.1rem;
	background: var(--aal-surface);
	font-size: 0.875rem;
}

.aal-toc strong {
	display: block;
	margin-bottom: 0.75rem;
	font-size: 0.75rem;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--aal-muted);
}

.aal-toc ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.aal-toc li {
	margin-bottom: 0.4rem;
}

.aal-toc a {
	color: var(--aal-muted);
	text-decoration: none;
}

.aal-toc a:hover {
	color: var(--aal-accent);
}

/* Archive */
.aal-archive-header {
	padding-block: 2.5rem 0;
	border-bottom: 1px solid var(--aal-border);
	margin-bottom: 2rem;
}

/* Page generic */
.aal-page {
	padding-block: clamp(2rem, 5vw, 3.5rem);
}

.aal-page__prose {
	max-width: 65ch;
}

/* Footer */
.aal-footer {
	border-top: 1px solid var(--aal-border);
	padding-block: 3rem 2rem;
	margin-top: 3rem;
	background: color-mix(in srgb, var(--aal-surface) 80%, var(--aal-bg));
}

.aal-footer__grid {
	display: grid;
	gap: 2rem;
	grid-template-columns: 1fr;
}

@media (min-width: 720px) {
	.aal-footer__grid {
		grid-template-columns: 1.4fr 1fr;
	}
}

.aal-footer nav a {
	display: block;
	color: var(--aal-muted);
	text-decoration: none;
	padding: 0.25rem 0;
	font-size: 0.9375rem;
}

.aal-footer__bottom {
	margin-top: 2rem;
	padding-top: 1.5rem;
	border-top: 1px solid var(--aal-border);
	font-size: 0.875rem;
	color: var(--aal-muted);
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	justify-content: space-between;
}

/* Pagination */
.nav-links,
.page-numbers {
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	align-items: center;
	justify-content: center;
	list-style: none;
	padding: 0;
	margin: 0;
}

.page-numbers a,
.page-numbers span {
	display: inline-flex;
	min-width: 2.25rem;
	height: 2.25rem;
	align-items: center;
	justify-content: center;
	padding: 0 0.6rem;
	border-radius: var(--aal-radius-sm);
	border: 1px solid var(--aal-border);
	background: var(--aal-surface);
	font-weight: 600;
	font-size: 0.875rem;
	text-decoration: none;
	color: var(--aal-muted);
}

.page-numbers a:hover,
.page-numbers .current {
	border-color: var(--aal-accent);
	color: var(--aal-accent);
}

.page-numbers .current {
	background: color-mix(in srgb, var(--aal-accent) 12%, var(--aal-surface));
}

/* 404 */
.aal-404 {
	text-align: center;
	padding-block: clamp(4rem, 12vw, 8rem);
}

/* Mobile nav */
@media (max-width: 879px) {
	.aal-nav-toggle {
		display: inline-flex;
	}

	.aal-nav-wrap {
		position: fixed;
		inset: var(--aal-header-h) 0 auto 0;
		background: var(--aal-bg);
		border-bottom: 1px solid var(--aal-border);
		padding: 1rem;
		max-height: min(70vh, 480px);
		overflow-y: auto;
		transform: translateY(-120%);
		opacity: 0;
		pointer-events: none;
		transition: transform 0.2s ease, opacity 0.2s ease;
	}

	body.aal-nav-open .aal-nav-wrap {
		transform: translateY(0);
		opacity: 1;
		pointer-events: auto;
	}

	.aal-nav {
		flex-direction: column;
		align-items: stretch;
	}

	.aal-nav a {
		padding: 0.65rem 0.75rem;
	}

	.aal-header__inner .aal-nav-wrap .aal-btn {
		justify-content: center;
		margin-top: 0.5rem;
	}
}

/* Submenu (desktop) — basic */
@media (min-width: 880px) {
	.aal-nav li {
		position: relative;
	}

	.aal-nav .sub-menu {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		min-width: 200px;
		padding: 0.5rem;
		margin: 0;
		list-style: none;
		background: var(--aal-surface);
		border: 1px solid var(--aal-border);
		border-radius: var(--aal-radius-sm);
		box-shadow: var(--aal-shadow);
		z-index: 50;
	}

	.aal-nav li:hover > .sub-menu {
		display: block;
	}

	.aal-nav .sub-menu a {
		display: block;
		padding: 0.5rem 0.65rem;
	}

	.aal-header .aal-nav .sub-menu {
		background: #111827;
		border: 1px solid rgba(255, 255, 255, 0.1);
		box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
	}

	.aal-header .aal-nav .sub-menu a {
		color: rgba(249, 250, 251, 0.88);
	}
}