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

html, body {
  height: 100%;
  background-color: #0a0a0a;
  color: #eee;
  font-family: system-ui, sans-serif;
  overflow-x: hidden;
  scroll-behavior: smooth;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  text-align: center;
  padding: 20vh 5vw 1vh;
  overflow: hidden;
}

.hero .container {
  z-index: 10;
  max-width: 700px;
}

.hero h1 {
  font-size: 4rem;
  font-weight: 700;
  margin-bottom: 0.3em;
}

.subtitle {
  font-weight: 300;
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: #00bfff;
}

.value-prop {
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 40px;
  line-height: 1.4;
}

.btn-primary {
  background-color: #00bfff;
  color: #0a0a0a;
  padding: 15px 35px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: background-color 0.3s ease;
}

.btn-primary:hover {
  background-color: #008fcc;
  color: #fff;
}

/* Background Animation */
.background-animation {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, #00bfff, #0a0a0a 70%);
  animation: slowRotate 40s linear infinite;
  filter: blur(120px);
  opacity: 0.5;
  z-index: 1;
  pointer-events: none;
}

@keyframes slowRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Main Content */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 80px 20px 120px;
}

.section {
  margin-bottom: 100px;
}

h2 {
  font-size: 2.5rem;
  color: #00bfff;
  margin-bottom: 30px;
  border-bottom: 3px solid #00bfff;
  display: inline-block;
}

h3 {
  color: #00d4ff;
  margin: 20px 0 10px;
}

p {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #ddd;
}

ul {
  list-style: disc inside;
  color: #ccc;
  font-size: 1.1rem;
  margin-top: 10px;
}

ul li {
  margin-bottom: 10px;
}

/* “Über mich” Bild und Text nebeneinander */
.about-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 20px;
}

.about-img {
  width: 150px;
  height: auto;
  border-radius: 50%;
  box-shadow: 0 0 10px rgba(0,191,255,0.3);
}

/* Skills */
.skills-list {
  padding-left: 20px;
}

/* Timeline */
.timeline-container {
  position: relative;
  margin-left: 140px;
  padding-left: 40px;
  border-left: 3px solid #00bfff;
}

.timeline-item {
  position: relative;
  margin-bottom: 60px;
}

.timeline-date {
  position: absolute;
  left: -30%;
  width: 140px;
  color: #00bfff;
  font-weight: 600;
  font-size: 1.1rem;
  text-align: right;
  top: 25px;
}

.timeline-content {
  margin-left: 40px;
  background-color: #111;
  padding: 20px 25px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0, 191, 255, 0.3);
  max-width: 600px;
  color: #ddd;
  font-size: 1.05rem;
  line-height: 1.5;
}

.timeline-content h3 {
  margin-top: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -42px;
  top: 28px;
  width: 18px;
  height: 18px;
  background-color: #00bfff;
  border-radius: 50%;
  box-shadow: 0 0 8px #00bfff;
  transform: translateX(-50%);
}

/* Portfolio Iframe */
.iframe-container {
  position: relative;
  width: 80vw;
  left: 50%;
  transform: translateX(-50%);
  padding-bottom: 75%;
  height: 0;
  overflow: hidden;
  border: 3px solid #00bfff;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 191, 255, 0.3);
  margin-top: 40px;
}

.iframe-container iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.iframe-container::after {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
/*  background: rgba(10, 10, 10, 0.5);  */
  background: rgba(10, 10, 10, 0.3);
  pointer-events: none;
  border-radius: 8px;
}

.iframe-link {
  display: block;
  margin-top: 15px;
  text-align: center;
  color: #00bfff;
  text-decoration: none;
}

.iframe-link:hover {
  text-decoration: underline;
}

/* References */
.references li {
  background: #111;
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 191, 255, 0.2);
  color: #ccc;
  list-style: none;
}

/* Contact */
.contact p { font-size: 1.2rem; margin-bottom: 10px; }
.contact a.btn-primary { display: inline-block; margin-top: 20px; }

/* Footer */
footer {
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
  color: #555;
}

/* Responsive */
@media (max-width: 600px) {
  .hero h1 { font-size: 2.5rem; }
  .subtitle { font-size: 1.2rem; }
  .value-prop { font-size: 1rem; }
  main { padding: 40px 15px 60px; }
  .timeline-container { margin-left: 40px; padding-left: 30px; border-left: 2px solid #00bfff; }
  .timeline-date { left: -110px; width: 90px; font-size: 0.9rem; }
  .timeline-item::before { left: -31px; width: 12px; height: 12px; }
  .timeline-content { margin-left: 20px; max-width: 100%; }
  .skills-wrapper { flex-direction: column; }
  .skills-images { flex-direction: row; gap: 20px; }
  .skills-images img { width: 40px; }
  .iframe-container { padding-bottom: 56.25%; }
}

.social-buttons {
  position: fixed;
  bottom: 20px;
  left: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: rgba(10, 10, 10, 0.6);
  padding: 12px 16px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(6px);
  z-index: 999;
  max-width: 140px;
}

.social-buttons a {
  color: #00bfff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 12px;
  border-radius: 8px;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.social-buttons a:hover,
.social-buttons a:focus {
  background-color: #00bfff;
  color: #0a0a0a;
  outline: none;
  box-shadow: 0 0 8px #00bfff;
}

.main-nav {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
}

.main-nav a {
  text-decoration: none;
  color: #00bfff;
  font-weight: 600;
  transition: color 0.3s ease;
}

.main-nav a:hover {
  color: #fff;
}

.promise-section {
  flex-grow: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  min-height: 20vh;
  padding-top: 3vh;
  position: relative;
  z-index: 5;
}

.promise-section h1 {
  font-size: 3rem;
  margin-bottom: 40px;
}

.promises {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px 60px;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
}

.promises div {
  background: rgba(0, 191, 255, 0.1);
  border: 1px solid #00bfff;
  border-radius: 12px;
  padding: 15px;
  box-shadow: 0 0 15px rgba(0, 191, 255, 0.3);
  backdrop-filter: blur(4px);
  color: #fff;
}

.background {
  position: fixed;
  top: 50%;
  left: 50%;
  width: 200vw;
  height: 200vh;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at center, #00bfff, #0a0a0a 70%);
  filter: blur(120px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

/* FAQ */
.faq details {
  width: 100%;
  background: #111;
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 191, 255, 0.2);
  cursor: pointer;
  color: #ccc;
}
.faq details summary { 
  font-weight: 600; 
  font-size: 1.1rem;
}

.faq details p { 
  margin-top: 20px; 
  color: #ddd; 
  line-height: 1.5; 
  font-size: 1.1rem;
}

/* FAQ weißer Text */
.page-faq, 
.page-faq h2, 
.page-faq summary, 
.page-faq p {
  color: #fff;
}

.page-faq summary {
  font-size: 1.1rem;
}
 
.page-faq p {
  font-size: 1.1rem;
}


/* FAQ über dem Hintergrund platzieren */
.page-faq {
  position: relative;
  z-index: 200;
  min-height: 70vh;
  padding-top: 10vh;
}

.page-faq a {
  color: #fff;
  transition: color 0.3s ease;
}

.page-faq a:hover {
  color: #ccc;
}

.page-faq details {
  width: 100%;
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 191, 255, 0.2);
  cursor: pointer;
  color: #ccc;
}

.page-faq details p {
  margin-top: 20px;
}

/* Testimonials auf der Startseite */
.testimonials {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  max-width: 80vw;       /* Gesamtbreite anpassen */
  margin: 0 auto;
  padding: 80px 10px;    /*   Abstand oben/unten & Seitenabstand */
}

.testimonial {
  position: relative;
  flex: 1;
  margin: 0 40px;          /* Abstand zwischen den drei Boxen */
  border-radius: 2px;
  padding: 40px 25px;      /* Innenabstand für Text */
  text-align: center;
  color: #fff;
  overflow: hidden;

}

.testimonial blockquote {
  font-size: 1.2rem;
  line-height: 1.4;
  margin-bottom: 15px;
}

.testimonial cite {
  display: block;
  font-size: 0.9rem;
  color: #ccc;
  height: auto;
}

.testimonal cite a {
  transition: color 0.3s ease;
}

.testimonial cite a:hover {
  color: #fff;
}

.clamp {
  position: absolute;
  width: 40px;             /* Größe der Klammer-Bilder */
  height: auto;
}

.clamp.left {
  top: 10%;
  left: 0px;
}

.clamp.right {
  top: 10%;
  bottom: 0px;
  right: 0px;
}

.skills a {
  color: #fff;
  transition: color 0.3s ease;
}

.skills a:hover {
  color: #ccc;
}


@media (max-width: 1000px) {
  /* Promises – 2 Spalten statt 3 */
  .promises {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 30px;
    gap: 30px;
  }

  /* Testimonials – untereinander statt nebeneinander */
  .testimonials {
    flex-direction: column;
    align-items: center;
  }

  .testimonial {
    margin: 30px 0;
  }

  /* About Section – Bild über Text */
  .about-inner {
    flex-direction: column;
    text-align: center;
  }

  .timeline-container {
    margin-left: 40px;
    padding-left: 30px;
    border-left: 2px solid #00bfff;
  }

  .timeline-date {
    left: -50%;
    width: 90px;
    font-size: 1.1rem;
  }

  .timeline-content {
    margin-left: 20px;
    max-width: 100%;
  }
  
  .timeline-content h3 {
    margin-top: 0;
  }
}

@media (max-width: 600px) {
  /* Promises – 1 Spalte */
  .promises {
    grid-template-columns: 1fr;
    padding: 0 20px;
    gap: 20px;
  }

  /* Headings kleiner */
  .hero h1,
  .promise-section h1,
  h2 {
    font-size: 1.8rem;
  }

  .subtitle {
    font-size: 1.1rem;
  }

  .value-prop,
  p,
  .timeline-content,
  .references li {
    font-size: 1rem;
    line-height: 1.5;
  }

  .btn-primary {
    padding: 12px 25px;
    font-size: 1rem;
  }

  /* Kontakt-Button schöner bei Mobile */
  .contact a.btn-primary {
    display: block;
    width: 100%;
    text-align: center;
  }

  /* Social Buttons unten links etwas kleiner */
  .social-buttons {
    gap: 8px;
    padding: 10px 12px;
  }

  .social-buttons a {
    font-size: 0.85rem;
    padding: 6px 10px;
  }
}

.footer-legal {
  color: #00bfff;
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-legal:hover {
  color: #fff;
  text-decoration: underline;
}