/**
 * Theme Name: Aicher Consulting
 * Theme URI: https://ai.aicher-consulting.com
 * Author: Aicher IT-Consulting
 * Author URI: https://aicher-consulting.at
 * Description: Custom WordPress Theme für AIC - AI Development mit offizieller AIC Farbwelt
 * Version: 2.0.0
 * Text Domain: aicher-consulting
 * Tags: one-column, custom-menu, custom-logo, editor-style, featured-images, translation-ready
 */

/* ===================================
   CSS CUSTOM PROPERTIES (Variables)
   =================================== */
:root {
  /* Colors - AIC Official Farbwelt (v2.0) */
  /* Primary: Teal/Türkis - Hauptfarbe */
  --color-primary: #159090;
  --color-primary-dark: #067676;
  --color-primary-darker: #005E5E;
  --color-primary-light: #55B5B5;
  --color-primary-lighter: #e0f4f4;
  
  /* Secondary: Lila/Malve */
  --color-secondary: #4628A5;
  --color-secondary-dark: #311588;
  --color-secondary-darker: #220B6B;
  --color-secondary-light: #7E68C5;
  --color-secondary-lighter: #ede6f7;
  
  /* Accent: Gelb/Limone */
  --color-accent: #F0CD23;
  --color-accent-dark: #C5A50A;
  --color-accent-darker: #9C8100;
  --color-accent-light: #FFE877;
  --color-accent-lighter: #fef9e3;
  
  /* Complement: Orange */
  --color-complement: #F08023;
  --color-complement-dark: #C55F0A;
  --color-complement-darker: #9C4700;
  --color-complement-light: #FFB577;
  --color-complement-lighter: #fef0e0;
  
  /* Deprecated (v1.0) - use named colors above */
  --color-gray: #6c757d;
  --color-gray-dark: #5a6268;
  
  /* Neutral Colors */
  --color-white: #ffffff;
  --color-black: #000000;
  --color-gray-50: #f8f9fa;
  --color-gray-100: #f1f3f5;
  --color-gray-200: #e9ecef;
  --color-gray-300: #dee2e6;
  --color-gray-400: #ced4da;
  --color-gray-500: #adb5bd;
  --color-gray-600: #868e96;
  --color-gray-700: #495057;
  --color-gray-800: #343a40;
  --color-gray-900: #212529;
  
  /* Typography */
  --font-family-heading: 'Panefresco', sans-serif;
  --font-family-body: 'Consolas', 'Monaco', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --line-height-tight: 1.25;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Z-Index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-tooltip: 1060;
}

/* ===================================
   DARK MODE VARIABLES
   Default: Dark Mode (user preference)
   =================================== */
:root {
  /* Dark Mode Backgrounds */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --bg-card: #161b22;
  --bg-card-hover: #21262d;
  
  /* Dark Mode Text */
  --text-primary: #f0f6fc;
  --text-secondary: #c9d1d9;
  --text-muted: #8b949e;
  --text-link: #58a6ff;
  
  /* Dark Mode Borders */
  --border-color: #30363d;
  --border-color-light: #484f58;
  
  /* Dark Mode Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  
  /* Dark Mode Header */
  --header-bg: rgba(13, 17, 23, 0.95);
  --header-border: #30363d;
}

/* Light Mode Override */
:root[data-theme="light"] {
  /* Light Mode Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #eaeef2;
  --bg-card: #ffffff;
  --bg-card-hover: #f6f8fa;
  
  /* Light Mode Text */
  --text-primary: #1f2328;
  --text-secondary: #656d76;
  --text-muted: #8b949e;
  --text-link: #0969da;
  
  /* Light Mode Borders */
  --border-color: #d0d7de;
  --border-color-light: #e1e4e8;
  
  /* Light Mode Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Light Mode Header */
  --header-bg: rgba(255, 255, 255, 0.95);
  --header-border: #d0d7de;
}

/* System Preference: If user prefers light mode and no manual override */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --bg-card: #ffffff;
    --bg-card-hover: #f6f8fa;
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-muted: #8b949e;
    --text-link: #0969da;
    --border-color: #d0d7de;
    --border-color-light: #e1e4e8;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --header-bg: rgba(255, 255, 255, 0.95);
    --header-border: #d0d7de;
  }
}

/* ===================================
   FONT-FACE DEFINITIONS
   =================================== */
@font-face {
  font-family: 'Panefresco';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/wp-content/themes/aicher-consulting/assets/fonts/Panefresco-Regular.woff2') format('woff2'),
       url('/wp-content/themes/aicher-consulting/assets/fonts/Panefresco-Regular.woff') format('woff');
}

@font-face {
  font-family: 'Panefresco';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/wp-content/themes/aicher-consulting/assets/fonts/Panefresco-Medium.woff2') format('woff2'),
       url('/wp-content/themes/aicher-consulting/assets/fonts/Panefresco-Medium.woff') format('woff');
}

@font-face {
  font-family: 'Panefresco';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/wp-content/themes/aicher-consulting/assets/fonts/Panefresco-SemiBold.woff2') format('woff2'),
       url('/wp-content/themes/aicher-consulting/assets/fonts/Panefresco-SemiBold.woff') format('woff');
}

@font-face {
  font-family: 'Panefresco';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/wp-content/themes/aicher-consulting/assets/fonts/Panefresco-Bold.woff2') format('woff2'),
       url('/wp-content/themes/aicher-consulting/assets/fonts/Panefresco-Bold.woff') format('woff');
}

/* ===================================
   RESET & BASE STYLES
   =================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-base);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: color var(--transition-base), background-color var(--transition-base);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

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

ul, ol {
  list-style: none;
}

/* ===================================
   UTILITY CLASSES
   =================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-lg);
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.text-white { color: var(--color-white); }
.text-default { color: var(--text-primary); }
.text-muted { color: var(--text-muted); }

.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-accent { background-color: var(--color-accent); }
.bg-light { background-color: var(--bg-secondary); }
.bg-white { background-color: var(--bg-primary); }
.bg-card { background-color: var(--bg-card); }
.bg-tertiary { background-color: var(--bg-tertiary); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-wrap { flex-wrap: wrap; }
.flex-column { flex-direction: column; }

.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }
.gap-5 { gap: var(--spacing-xl); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ===================================
   THEME MODE TOGGLE
   =================================== */
.theme-mode-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
  margin-left: var(--spacing-sm);
}

.theme-mode-toggle:hover {
  background-color: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-color-light);
}

.theme-mode-toggle:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Icons */
.theme-mode-toggle .icon-sun,
.theme-mode-toggle .icon-moon {
  width: 20px;
  height: 20px;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

/* Dark Mode (default): Show Sun icon to switch to Light */
.theme-mode-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0deg);
}

.theme-mode-toggle .icon-moon {
  opacity: 0;
  transform: rotate(-90deg);
  position: absolute;
}

/* Light Mode: Show Moon icon to switch to Dark */
:root[data-theme="light"] .theme-mode-toggle .icon-sun {
  opacity: 0;
  transform: rotate(90deg);
  position: absolute;
}

:root[data-theme="light"] .theme-mode-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0deg);
}

/* Header Background */
.site-header {
  background-color: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: background-color var(--transition-base), border-color var(--transition-base);
}

/* ===================================
   BUTTON STYLES
   =================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-family-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-base);
  text-align: center;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
}

.btn-secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.btn-secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-white);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-white);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

/* ===================================
   RESPONSIVE BREAKPOINTS
   =================================== */
@media (max-width: 1200px) {
  .container {
    max-width: 960px;
  }
}

@media (max-width: 992px) {
  .container {
    max-width: 720px;
  }
  
  h1 { font-size: var(--font-size-4xl); }
  h2 { font-size: var(--font-size-3xl); }
  h3 { font-size: var(--font-size-2xl); }
}

@media (max-width: 768px) {
  .container {
    max-width: 540px;
    padding: 0 var(--spacing-md);
  }
  
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
  
  .d-md-none { display: none !important; }
  .d-md-block { display: block !important; }
  .d-md-flex { display: flex !important; }
}

@media (max-width: 576px) {
  .container {
    max-width: 100%;
    padding: 0 var(--spacing-sm);
  }
  
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
  h3 { font-size: var(--font-size-lg); }
  
  .d-sm-none { display: none !important; }
  .d-sm-block { display: block !important; }
  .d-sm-flex { display: flex !important; }
}

/* ===================================
   PRINT STYLES
   =================================== */
@media print {
  .no-print { display: none !important; }
  
  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }
  
  a {
    color: #000;
    text-decoration: underline;
  }
  
  a[href^="http"]::after {
    content: " (" attr(href) ")";
  }
}

/* ===================================
   ACCESSIBILITY (a11y)
   =================================== */

/* Focus States */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip to Content Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px;
    text-decoration: none;
    z-index: 1000;
}

.skip-link:focus {
    top: 0;
}