/* Main Styles for Burkhard Vogt Single-Page Website */

:root {
  /* Color Palette - matching original website */
  --primary-color: #0078ff;
  --accent-color: #00e5ff;
  --dark-color: #1a1a1a;
  --light-color: #f5f5f5;
  --text-color: #333333;
  --background-color: #000000;
  --section-bg-color: #0a0a0a;
  --section-alt-bg-color: #050505;
  --highlight-color: #00e5ff;
  --footer-color: #0a0a0a;
  
  /* Typography */
  --heading-font: 'Montserrat', sans-serif;
  --body-font: 'Open Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--light-color);
  background-color: var(--background-color);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--heading-font);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--light-color);
}

h1 {
  font-size: 3.5rem;
  margin-bottom: 30px;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 25px;
}

h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

h4 {
  font-size: 1.4rem;
  margin-bottom: 15px;
}

p {
  margin-bottom: 20px;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.highlight {
  color: var(--highlight-color);
  font-weight: 600;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(0, 0, 0, 0.9);
  padding: 15px 0;
  transition: all 0.3s ease;
}

header.scrolled {
  padding: 10px 0;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.logo a {
  font-family: var(--heading-font);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--light-color);
  text-decoration: none;
}

.logo-accent {
  color: var(--accent-color);
}

.subtitle {
  font-size: 0.9rem;
  color: var(--light-color);
  margin-top: -5px;
}

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

.nav-links li {
  margin-left: 30px;
}

.nav-links a {
  color: var(--light-color);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-color);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-color);
  transition: width 0.3s ease;
}

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

.mobile-nav-toggle {
  display: none;
  cursor: pointer;
  width: 30px;
  height: 20px;
  position: relative;
}

.mobile-nav-toggle span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  background: var(--light-color);
  border-radius: 3px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: .25s ease-in-out;
}

.mobile-nav-toggle span:nth-child(1) {
  top: 0px;
}

.mobile-nav-toggle span:nth-child(2) {
  top: 8px;
}

.mobile-nav-toggle span:nth-child(3) {
  top: 16px;
}

.mobile-nav-toggle.active span:nth-child(1) {
  top: 8px;
  transform: rotate(135deg);
}

.mobile-nav-toggle.active span:nth-child(2) {
  opacity: 0;
  left: -60px;
}

.mobile-nav-toggle.active span:nth-child(3) {
  top: 8px;
  transform: rotate(-135deg);
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--background-color);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 120, 255, 0.1), rgba(0, 229, 255, 0.1));
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: 20px;
  color: var(--light-color);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 40px;
  color: var(--light-color);
}

/* Sections */
section {
  padding: 100px 0;
  position: relative;
}

section:nth-child(odd) {
  background-color: var(--section-bg-color);
}

section:nth-child(even) {
  background-color: var(--section-alt-bg-color);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  padding-bottom: 20px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--accent-color);
}

/* About Content */
.about-content {
  display: flex;
  align-items: center;
  gap: 50px;
  margin-bottom: 60px;
}

.about-image {
  flex: 1;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.3s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-text {
  flex: 1;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.service-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 30px;
  transition: all 0.3s ease;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  background-color: rgba(0, 120, 255, 0.1);
}

.service-title {
  color: var(--accent-color);
  margin-bottom: 15px;
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.blog-card {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
}

.blog-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.blog-image {
  height: 200px;
  overflow: hidden;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.blog-card:hover .blog-image img {
  transform: scale(1.1);
}

.blog-content {
  padding: 25px;
}

.blog-title {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.blog-meta {
  font-size: 0.9rem;
  color: #999;
  margin-bottom: 15px;
}

.blog-excerpt {
  margin-bottom: 20px;
}

.read-more {
  display: inline-block;
  color: var(--accent-color);
  font-weight: 600;
  position: relative;
}

.read-more::after {
  content: '→';
  margin-left: 5px;
  transition: margin-left 0.3s ease;
}

.read-more:hover::after {
  margin-left: 10px;
}

/* Testimonials */
.testimonial {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 30px;
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 5rem;
  color: rgba(0, 229, 255, 0.1);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  font-weight: 600;
  color: var(--accent-color);
}

/* CTA Box */
.cta-box {
  background: linear-gradient(135deg, rgba(0, 120, 255, 0.1), rgba(0, 229, 255, 0.1));
  border-radius: 10px;
  padding: 50px;
  text-align: center;
  margin-top: 60px;
}

.cta-title {
  font-size: 2rem;
  margin-bottom: 20px;
}

.btn {
  display: inline-block;
  background-color: var(--primary-color);
  color: white;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  margin-top: 20px;
}

.btn:hover {
  background-color: var(--accent-color);
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border-radius: 5px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--light-color);
  font-family: var(--body-font);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-color);
  background-color: rgba(255, 255, 255, 0.1);
}

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

.form-group input[type="checkbox"] {
  width: auto;
  margin-right: 10px;
}

.form-group label[for="datenschutz"] {
  display: inline-block;
}

.form-note {
  font-size: 0.9rem;
  color: #999;
  margin-top: 20px;
}

/* Footer */
footer {
  background-color: var(--footer-color);
  padding: 50px 0 20px;
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  list-style: none;
  margin-bottom: 30px;
}

.footer-links li {
  margin: 0 15px;
}

.footer-links a {
  color: var(--light-color);
  text-decoration: none;
  transition: all 0.3s ease;
}

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

.copyright {
  font-size: 0.9rem;
  color: #999;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.9);
  padding: 20px;
  z-index: 1000;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.cookie-banner p {
  margin: 0 20px 0 0;
  flex: 1;
}

.cookie-buttons {
  display: flex;
  gap: 10px;
}

/* Scroll to Top Button */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 999;
}

.scroll-top.active {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background-color: var(--accent-color);
  transform: translateY(-5px);
}

/* Section Navigation Dots */
.section-nav {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.section-nav-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all 0.3s ease;
}

.section-nav-dot:hover, .section-nav-dot.active {
  background-color: var(--accent-color);
  transform: scale(1.2);
}

/* Animations */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive Styles */
@media (max-width: 992px) {
  h1 {
    font-size: 3rem;
  }
  
  h2 {
    font-size: 2.2rem;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-image, .about-text {
    flex: none;
    width: 100%;
  }
  
  .section-nav {
    display: none;
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  .mobile-nav-toggle {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s ease;
  }
  
  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }
  
  .nav-links li {
    margin: 15px 0;
  }
  
  .blog-grid, .services-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-box {
    padding: 30px 20px;
  }
}

@media (max-width: 576px) {
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  section {
    padding: 60px 0;
  }
  
  .hero {
    height: auto;
    min-height: 100vh;
    padding-top: 100px;
    padding-bottom: 50px;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .cookie-banner p {
    margin-bottom: 15px;
  }
}