/* Energie Beratung 360 - Statische Version */
/* Professionelles Design mit leuchtenden Blautönen */

:root {
  /* Primärfarben - Professionelle Blautöne (n8n-inspiriert) */
  --primary: #2563eb;
  --primary-foreground: #ffffff;
  --primary-light: #3b82f6;
  --primary-dark: #1e40af;
  
  /* Hintergrund & Text */
  --background: #ffffff;
  --foreground: #1a1a1a;
  
  /* Karten & Popover */
  --card: #ffffff;
  --card-foreground: #1a1a1a;
  
  /* Sekundär & Muted */
  --secondary: #f8f9fa;
  --secondary-foreground: #495057;
  --muted: #f1f3f5;
  --muted-foreground: #868e96;
  
  /* Akzent */
  --accent: #f1f3f5;
  --accent-foreground: #212529;
  
  /* Border & Input */
  --border: #dee2e6;
  --input: #dee2e6;
  --ring: #3b82f6;
  
  /* Radius */
  --radius: 0.65rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

@media (min-width: 640px) {
  .container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* Header */
header {
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5rem;
}

.logo {
  height: 3.5rem;
  width: auto;
}

nav {
  display: none;
}

@media (min-width: 768px) {
  nav {
    display: flex;
    gap: 2rem;
  }
}

nav a {
  text-decoration: none;
  color: var(--foreground);
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
}

.mobile-menu.active {
  display: block;
}

.mobile-menu a {
  display: block;
  padding: 0.75rem 0;
  text-decoration: none;
  color: var(--foreground);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, var(--background) 50%, rgba(241, 243, 245, 0.5) 100%);
  padding: 5rem 0;
}

.hero-content {
  max-width: 56rem;
  margin: 0 auto;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 3.75rem;
  }
}

.hero .text-primary {
  color: var(--primary);
}

.hero p {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  margin-bottom: 2rem;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-size: 1.125rem;
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--foreground);
  border: 2px solid var(--border);
}

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

.btn-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  justify-content: center;
}

@media (min-width: 640px) {
  .btn-group {
    flex-direction: row;
  }
}

/* Cards */
.card {
  background-color: var(--card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: all 0.3s;
}

.card:hover {
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.card-header {
  margin-bottom: 1rem;
}

.card-icon {
  display: inline-flex;
  padding: 0.75rem;
  background-color: rgba(37, 99, 235, 0.1);
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

.card-icon svg {
  width: 2rem;
  height: 2rem;
  color: var(--primary);
}

.card-title {
  font-size: 1.5rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.card-description {
  color: var(--muted-foreground);
  font-size: 1rem;
}

.card-content {
  color: var(--card-foreground);
}

/* Grid */
.grid {
  display: grid;
  gap: 1.5rem;
}

.grid-cols-2 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid-cols-4 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

.grid-cols-3 {
  grid-template-columns: 1fr;
}

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

/* Sections */
section {
  padding: 4rem 0;
}

.section-title {
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  text-align: center;
  max-width: 42rem;
  margin: 0 auto 3rem;
}

.bg-muted {
  background-color: rgba(241, 243, 245, 0.3);
}

.bg-primary-light {
  background-color: rgba(37, 99, 235, 0.05);
}

.bg-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--primary-foreground);
}

/* Icons */
.icon {
  width: 1.5rem;
  height: 1.5rem;
  display: inline-block;
  vertical-align: middle;
}

.icon-sm {
  width: 1rem;
  height: 1rem;
}

.icon-lg {
  width: 2rem;
  height: 2rem;
}

/* Feature List */
.feature-list {
  list-style: none;
  padding: 0;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
}

.feature-item svg {
  color: #10b981;
  flex-shrink: 0;
}

/* Footer */
footer {
  background-color: var(--muted);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

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

.footer-section h3 {
  font-size: 1.125rem;
  font-weight: bold;
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
  padding: 0;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-section a:hover {
  color: var(--primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary);
}

.text-muted {
  color: var(--muted-foreground);
}

.font-bold {
  font-weight: bold;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mb-4 {
  margin-bottom: 1rem;
}

.mb-8 {
  margin-bottom: 2rem;
}

.mt-4 {
  margin-top: 1rem;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.max-w-4xl {
  max-width: 56rem;
}

.max-w-2xl {
  max-width: 42rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--foreground);
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-error {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

.form-success {
  background-color: #d1fae5;
  color: #065f46;
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
}

/* CAPTCHA */
.captcha-container {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.captcha-image {
  background-color: var(--muted);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: 0.5rem;
  user-select: none;
  font-family: 'Courier New', monospace;
  color: var(--primary);
  border: 2px solid var(--border);
}

.captcha-input {
  flex: 1;
}

/* Responsive */
@media (max-width: 767px) {
  .hero {
    padding: 3rem 0;
  }
  
  section {
    padding: 3rem 0;
  }
}


/* ============================================
   MODERNE ERWEITERUNGEN 2026
   Elegante Animationen & Neue Komponenten
   ============================================ */

/* Verbesserte Farbverläufe */
.gradient-hero {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
    color: #1e293b;
}

.gradient-card {
    background: linear-gradient(135deg, rgba(248, 250, 252, 0.5) 0%, rgba(226, 232, 240, 0.5) 100%);
}

/* Animationen */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease;
}

/* Verbesserte Card Hover-Effekte */
.card-enhanced {
    position: relative;
    overflow: hidden;
}

.card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.card-enhanced:hover::before {
    transform: scaleX(1);
}

.card-enhanced:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.3);
}

/* Testimonials Komponente */
.testimonials-section {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(241, 243, 245, 0.5) 100%);
    padding: 5rem 0;
}

.testimonial-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-left: 4px solid var(--primary);
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.testimonial-rating {
    color: #fbbf24;
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-style: italic;
    color: var(--muted-foreground);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.testimonial-author {
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.25rem;
}

.testimonial-location {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* Stats Komponente */
.stats-section {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: #ffffff;
    padding: 4rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item h3 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-item p {
    font-size: 1.125rem;
    opacity: 0.95;
}

/* Comparison Table */
.comparison-table {
    overflow-x: auto;
    margin: 2rem 0;
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.comparison-table thead {
    background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
    color: white;
}

.comparison-table th {
    padding: 1.25rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 1.05rem;
}

.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.comparison-table tbody tr {
    transition: background-color 0.2s ease;
}

.comparison-table tbody tr:hover {
    background-color: rgba(37, 99, 235, 0.03);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

/* Alert Boxes */
.alert {
    padding: 1.5rem;
    border-radius: var(--radius);
    margin: 2rem 0;
    border-left: 4px solid;
}

.alert-info {
    background-color: rgba(37, 99, 235, 0.1);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1);
    border-color: #10b981;
    color: #065f46;
}

.alert-warning {
    background-color: rgba(251, 191, 36, 0.1);
    border-color: #fbbf24;
    color: #92400e;
}

.alert h4 {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Why Us Section */
.why-us-section {
    background: white;
    padding: 5rem 0;
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.why-us-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03) 0%, rgba(241, 243, 245, 0.3) 100%);
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.why-us-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.why-us-icon {
    flex-shrink: 0;
    width: 3.5rem;
    height: 3.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
}

.why-us-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--foreground);
}

.why-us-content p {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Enhanced CTA Buttons */
.cta-button-enhanced {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.125rem;
    box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.3);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button-enhanced:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px -5px rgba(37, 99, 235, 0.4);
}

.cta-button-enhanced:active {
    transform: translateY(-1px);
}

/* Badge */
.badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

/* Price Tag */
.price-tag {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin: 1rem 0;
}

.price-tag span {
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--muted-foreground);
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -2.5rem;
    top: 0.5rem;
    width: 1rem;
    height: 1rem;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-content {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .stat-item h3 {
        font-size: 2.5rem;
    }
    
    .why-us-item {
        flex-direction: column;
        text-align: center;
    }
    
    .why-us-icon {
        margin: 0 auto;
    }
}

/* Smooth Scroll Behavior */
html {
    scroll-behavior: smooth;
}

/* Focus Styles for Accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .no-print {
        display: none !important;
    }
}