/*
Theme Name: Ausschreibung.AI
Theme URI: https://ausschreibung.ai
Author: Contractus Intelligence
Author URI: https://ausschreibung.ai
Description: Professional WordPress theme for bid management and tender intelligence platform
Version: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ausschreibung-ai
Domain Path: /languages
Tags: business, corporate, responsive, bid-management, procurement
*/

/* ============================================
   AUSSCHREIBUNG.AI - WORDPRESS THEME
   Professional Bid Management Platform
   ============================================ */

/* CSS Variables */
:root {
  /* Brand Colors */
  --brand-primary: #111827;
  --brand-secondary: #2C5678;
  --brand-accent: #00BFFF;
  
  /* Phase Colors */
  --phase-strategy: #1E3A8A;
  --phase-intelligence: #F59E0B;
  --phase-execution: #10B981;
  --phase-review: #8B5CF6;
  
  /* Semantic Colors */
  --text-primary: #111827;
  --text-secondary: #475467;
  --text-muted: #6B7280;
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #E5E7EB;
  --border-light: #E5E7EB;
  --border-medium: #D1D5DB;
  
  /* Status Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --danger: #EF4444;
  --info: #3B82F6;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-3xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
  
  /* Layout */
  --max-width: 1200px;
  --header-height: 72px;
}

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

html {
  scroll-behavior: smooth;
}

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

/* WordPress Specific */
.wp-block {
  max-width: var(--max-width);
}

.alignwide {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
}

.alignfull {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
}

/* Admin Bar Fix */
body.admin-bar .site-header {
  top: 32px;
}

@media screen and (max-width: 782px) {
  body.admin-bar .site-header {
    top: 46px;
  }
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(17,24,39,0.98);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 1000;
}

.header-inner {
  max-width: var(--max-width);
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo a {
  font-size: 1.25rem;
  font-weight: var(--font-extrabold);
  color: white;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.site-logo a em {
  font-style: normal;
  background: linear-gradient(90deg, #93C5FD, #00BFFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Navigation */
.main-nav ul {
  display: flex;
  list-style: none;
  gap: var(--space-1);
}

.main-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: all 0.2s;
}

.main-nav a:hover,
.main-nav a:focus,
.main-nav .current-menu-item a {
  color: white;
  background: rgba(255,255,255,0.08);
}

.main-nav .phase-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  cursor: pointer;
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--brand-primary);
    padding: var(--space-4);
  }
  
  .main-nav.active {
    display: block;
  }
  
  .main-nav ul {
    flex-direction: column;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 50%, var(--brand-accent) 100%);
  padding: calc(var(--header-height) + var(--space-20)) 0 var(--space-20);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(0,191,255,0.12) 0%, transparent 60%);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: var(--font-extrabold);
  color: white;
  line-height: var(--leading-tight);
  letter-spacing: -1.5px;
  margin-bottom: var(--space-5);
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, #93C5FD, #00BFFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 640px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-decoration: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

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

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: rgba(255,255,255,0.1);
  color: white;
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.15);
}

/* Section */
.section {
  padding: var(--space-16) 0;
}

.section-alt {
  background: var(--bg-secondary);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--brand-secondary);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--font-extrabold);
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: var(--space-4);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Footer */
.site-footer {
  background: var(--brand-primary);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.footer-brand {
  font-size: 1.25rem;
  font-weight: var(--font-extrabold);
  color: white;
  margin-bottom: var(--space-4);
}

.footer-brand em {
  font-style: normal;
  background: linear-gradient(90deg, #93C5FD, #00BFFF);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-desc {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  line-height: var(--leading-relaxed);
}

.footer-nav h4 {
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
  margin-bottom: var(--space-4);
}

.footer-nav ul {
  list-style: none;
}

.footer-nav li {
  margin-bottom: var(--space-2);
}

.footer-nav a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-nav a:hover {
  color: white;
}

.footer-bottom {
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
}

/* Breadcrumbs */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.breadcrumb a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: white;
}

.breadcrumb-separator {
  color: rgba(255,255,255,0.3);
}

.breadcrumb-current {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
}

/* Animations */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* WordPress Content */
.entry-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
}

.entry-content h2,
.entry-content h3,
.entry-content h4 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.entry-content p {
  margin-bottom: var(--space-4);
  line-height: var(--leading-relaxed);
}

.entry-content ul,
.entry-content ol {
  margin-bottom: var(--space-4);
  padding-left: var(--space-6);
}

.entry-content li {
  margin-bottom: var(--space-2);
}

/* Screen Reader */
.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;
}