:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --accent-color: #ff6b6b;
  --secondary-color: #4ecdc4;
  --nav-bg: rgba(255, 255, 255, 0.95);
  --card-bg: #f8f9fa;
}

.dark-mode {
  --bg-color: #1a1a1a;
  --text-color: #ffffff;
  --nav-bg: rgba(26, 26, 26, 0.95);
  --card-bg: #2d2d2d;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  transition: background-color 0.3s, color 0.3s;
}
p{
  text-align: center;
}
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--nav-bg);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s;
}

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

#theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  padding: 0.5rem;
}

.theme-icon {
  width: 24px;
  height: 24px;
}

.dark-mode .sun {
  display: none;
}

.light-mode .moon {
  display: none;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 2rem;
  overflow: hidden;
}

.hero-content {
  text-align: center;
  z-index: 1;
}

.hero h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
}

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

.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.social-btn {
  position: relative;
  font-size: 36px;
  margin-right: 15px;
  color: var(--text-color);
  transition: transform 0.3s, color 0.3s;
}

.social-btn:hover {
  color: var(--accent-color);
  transform: scale(1.2);
}

.social-btn.whatsapp-flag .flag-icon {
  position: absolute;
  bottom: -6px; /* Adjusted position */
  right: -6px;
  width: 16px; /* Adjusted size */
  height: 12px;
  background: linear-gradient(to bottom, black 33%, red 33%, red 66%, yellow 66%);
  border: 1px solid #ccc;
  border-radius: 2px;
}


.hero-decoration {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
  pointer-events: none;
}

.pixel-grid {
  width: 100%;
  height: 100%;
  background-image: linear-gradient(var(--text-color) 1px, transparent 1px),
                    linear-gradient(90deg, var(--text-color) 1px, transparent 1px);
  background-size: 20px 20px;
  animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(20px);
  }
}

.videos-section {
  padding: 5rem 2rem;
}

.videos-section h2 {
  text-align: center;
  margin-bottom: 3rem;
  font-size: 2.5rem;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.video-card {
  max-width: 400px; /* Begrenze die Breite jeder Video-Karte */
  margin: 0 auto; /* Zentriere die Karten */
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s;
}

.video-card:hover {
  transform: translateY(-5px); /* Leichter Hover-Effekt */
}

.thumbnail iframe {
  width: 100%;
  height: 225px; /* Verhältnis 16:9 */
  border: none;
}

.video-card h3 {
  font-size: 1.2rem;
  margin: 10px;
  text-align: center;
}

.video-card p {
  font-size: 0.9rem;
  color: var(--text-color);
  text-align: center;
  margin-bottom: 10px;
}


.thumbnail {
  aspect-ratio: 16/9;
  background: var(--accent-color);
  position: relative;
  cursor: pointer;
  overflow: hidden;
}

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

.thumbnail:hover img {
  transform: scale(1.05);
}

.video-frame {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.hidden {
  display: none;
}

.error-message {
  text-align: center;
  padding: 2rem;
  background: var(--card-bg);
  border-radius: 15px;
  grid-column: 1 / -1;
}

.video-card h3 {
  padding: 1rem;
  margin: 0;
}

.video-card p {
  padding: 0 1rem 1rem;
  color: var(--text-color);
  opacity: 0.8;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 15px 0 15px 25px;
  border-color: transparent transparent transparent white;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.video-card:hover .play-btn {
  opacity: 1;
}

.about-section {
  padding: 5rem 2rem;
  background: var(--card-bg);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.stats {
  display: flex;
  justify-content: space-around;
  margin-top: 3rem;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 1 !important;
}

.number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--accent-color);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  display: inline-block;
  min-width: 100px;
  text-align: center;
  opacity: 1 !important;
}

.label {
  margin-top: 0.5rem;
  opacity: 0.8;
}

.contact-section {
  padding: 5rem 2rem;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-group {
  position: relative;
  text-align: left;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  background: var(--card-bg);
  border: 2px solid transparent;
  border-radius: 8px;
  color: var(--text-color);
  transition: border-color 0.3s;
  text-align: left;
}

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

.form-group label {
  position: absolute;
  left: 1rem;
  top: 1rem;
  pointer-events: none;
  transition: transform 0.3s, color 0.3s;
  color: var(--text-color);
  opacity: 0.6;
}

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

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
  transform: translateY(-1.5rem) scale(0.8);
  color: var(--accent-color);
}

.submit-btn {
  background: var(--accent-color);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: background-color 0.3s;
}

.submit-btn:hover {
  background: var(--secondary-color);
}

footer {
  background: var(--card-bg);
  padding: 2rem;
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

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

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

  .stats {
    flex-direction: column;
    gap: 2rem;
  }
}
.projects-section {
  padding: 2rem 1rem;
  text-align: center;
}

.projects-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
}

.project-card {
  background: var(--card-bg, #f4f4f4);
  border-radius: 8px;
  padding: 1rem;
  max-width: 260px;
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.project-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.project-info h3 {
  margin: 0 0 0.3rem;
  font-size: 1rem;
}

.project-info p {
  font-size: 0.85rem;
  margin: 0 0 0.5rem;
  color: #666;
}

.project-link {
  font-size: 0.85rem;
  color: var(--accent-color, #007acc);
  text-decoration: none;
  font-weight: 600;
}