:root {
  --primary-color: #007aff;
  --secondary-color: #5856d6;
  --accent-color: #ff9500;
  --text-primary: #1c1c1e;
  --text-secondary: #636366;
  --bg-primary: #ffffff;
  --bg-secondary: #f2f2f7;
  --bg-tertiary: #ffffff;
  --border-color: #e5e5ea;
  --shadow-light: rgba(0, 0, 0, 0.05);
  --shadow-medium: rgba(0, 0, 0, 0.1);
  --gradient-primary: linear-gradient(135deg, #007aff 0%, #5856d6 100%);
  --gradient-secondary: linear-gradient(135deg, #ff9500 0%, #ff6b6b 100%);
}

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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
  max-height: 120px;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  height: 70px;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  font-size: 20px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.cta-button {
  background: var(--gradient-primary);
  color: white;
  padding: 12px 24px;
  border-radius: 24px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px var(--shadow-light);
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow-medium);
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23007AFF" opacity="0.02"/><circle cx="75" cy="75" r="1" fill="%235856D6" opacity="0.02"/><circle cx="50" cy="10" r="1" fill="%23FF9500" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  height: 60vh;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin: 100px 0px 50px 0px;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  font-weight: 400;
}

.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  padding: 40px;
}

.btn-primary,
.btn-secondary {
  padding: 16px 32px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 6px 20px rgba(0, 122, 255, 0.3);
}

.btn-secondary {
  background: white;
  color: var(--text-primary);
  border: 2px solid var(--border-color);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0, 122, 255, 0.4);
}

.btn-secondary:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-2px);
}

/* Services Grid */
.services {
  padding: 100px 0;
  background: var(--bg-primary);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.section-title p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-top: 80px;
}

.service-card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 4px 20px var(--shadow-light);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px var(--shadow-medium);
}

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

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 24px;
  color: white;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.service-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.service-features {
  list-style: none;
}

.service-features li {
  padding: 8px 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 24px;
}

.service-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* About Section */
.about {
  padding: 100px 0;
  background: var(--bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.about-text p {
  hyphens: auto;
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.8;
}

.about-image {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px var(--shadow-medium);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Bild füllt den Container aus und wird zugeschnitten, falls nötig */
  display: block;
}

.profile-placeholder {
  width: 100%;
  height: 400px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 4rem;
  font-weight: 300;
}

/* Stats Section */
.stats {
  padding: 80px 0;
  background: var(--text-primary);
  color: white;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 60px;
  text-align: center;
}

.stat-item h3 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.1rem;
}

/* Contact Section */
.contact {
  padding: 100px 0;
  background: var(--bg-primary);
}

.contact-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.contact p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
}

.contact-form {
  background: white;
  padding: 40px;
  border-radius: 24px;
  box-shadow: 0 8px 32px var(--shadow-light);
  border: 1px solid var(--border-color);
  margin-top: 40px;
}

.form-group {
  margin-bottom: 24px;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 16px;
  border: 2px solid var(--border-color);
  border-radius: 12px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  background: var(--gradient-primary);
  color: white;
  padding: 16px 40px;
  border: none;
  border-radius: 24px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 122, 255, 0.3);
}

/* Footer */
footer {
  background: var(--text-primary);
  color: white;
  padding: 60px 0 30px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: white;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  line-height: 1.6;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}

/* Mobile Menu */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

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

  .cta-button {
    display: none;
  }

  /* Mobile Menu geöffnet */
  .nav-links.nav-active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 70px; /* Höhe des Headers */
    left: 50%;
    width: 50%;
    background: var(--bg-primary);
    gap: 20px;
    padding: 20px;
    box-shadow: 0 4px 20px var(--shadow-medium);
    z-index: 999;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    text-align: justify;
    hyphens: auto;
    font-size: 1.3rem;
  }

  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stat-item h3 {
    font-size: 2.5rem;
  }

  .section-title h2 {
    font-size: 2rem;
  }

  .about-text h2 {
    font-size: 2rem;
  }
}

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

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

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

/* Selection styling */
::selection {
  background: rgba(0, 122, 255, 0.2);
  color: var(--text-primary);
}

/* Focus styles for accessibility */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button:focus,
a:focus {
  outline-style: solid;
}