/*
Theme Name: Interaktionen
Theme URI: https://interaktionen.org/
Author: Antigravity
Author URI: https://interaktionen.org/
Description: Klassisches, datensparsames und barrierearmes WordPress-PHP-Theme (ohne Gutenberg/FSE) für interaktionen.org. Minimalistisches Split-Design, lokale Urbanist-Typografie, Customizer-Unterstützung, Tastaturnavigation und automatische llms.txt Bereitstellung ohne externe Tracking-Dienste.
Version: 1.1.0
Requires at least: 5.8
Tested up to: 6.6
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: interaktionen
Tags: blog, one-column, two-columns, custom-menu, custom-logo, custom-colors, full-width-template, theme-options, threaded-comments, translation-ready, accessibility-ready
*/

/*
 * Urbanist Local Font Definition
 * Variable font weights 300 - 900, zero external requests, privacy-first local delivery.
 */
@font-face {
  font-family: 'Urbanist';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('assets/fonts/urbanist-normal-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Urbanist';
  font-style: normal;
  font-weight: 300 900;
  font-display: swap;
  src: url('assets/fonts/urbanist-normal-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Urbanist';
  font-style: italic;
  font-weight: 300 900;
  font-display: swap;
  src: url('assets/fonts/urbanist-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Urbanist';
  font-style: italic;
  font-weight: 300 900;
  font-display: swap;
  src: url('assets/fonts/urbanist-italic-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* Base Variables */
:root {
  --font-primary: 'Urbanist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --color-bg: #ffffff;
  --color-text: #111111;
  --color-muted: #555555;
  --color-border: #e5e7eb;
  --color-border-subtle: #f0f0f2;
  --color-accent: #4f46e5;
  --color-accent-hover: #4338ca;
  --color-accent-light: #eef2ff;
  --sidebar-width: 280px;
  --content-max-width: 860px;
  --header-height-mobile: 64px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
}

/* CSS Reset & Defaults */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  background-color: var(--color-bg);
  color: var(--color-text);
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
}

/* Accessibility: Screen Reader Text */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute !important;
  width: 1px;
  word-wrap: normal !important;
}

.screen-reader-text:focus {
  background-color: #ffffff;
  border-radius: var(--radius-sm);
  box-shadow: 0 0 2px 2px rgba(0, 0, 0, 0.6);
  clip: auto !important;
  clip-path: none;
  color: #111111;
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  height: auto;
  left: 1rem;
  top: 1rem;
  padding: 0.875rem 1.5rem;
  text-decoration: none;
  width: auto;
  z-index: 100000;
}

/* Visible keyboard focus states */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* Media defaults */
img, picture, svg, video {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Link defaults */
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}