/* =============================================
   NEUGIER ALS METHODE – Style "Grüner Schimmer"
   Farben: Anthrazit, Helles Grau, Salbei-Grün
   Schriften: Montserrat (Überschriften), Source Sans Pro (Text)
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;600;700&family=Source+Sans+3:wght@300;400;600&display=swap');

/* ---- Reset & Basis ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:        #1e2a35;
  --color-bg-light:  #253444;
  --color-bg-card:   #2c3e50;
  --color-text:      #d0d8e0;
  --color-text-muted:#8a9bb0;
  --color-accent:    #2ecc71;
  --color-accent-dark: #27ae60;
  --color-white:     #ffffff;
  --font-heading:    'Montserrat', sans-serif;
  --font-body:       'Source Sans 3', sans-serif;
  --transition:      0.3s ease;
  --radius:          8px;
  --max-width:       1100px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-accent-dark);
}

/* ---- Navigation ---- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

nav.scrolled {
  background: rgba(30, 42, 53, 0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.nav-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color var(--transition);
}

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

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
}

/* ---- Hero Section ---- */
#hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

#hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(30, 42, 53, 0.55) 0%,
    rgba(30, 42, 53, 0.75) 60%,
    rgba(30, 42, 53, 1) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 1.5rem;
  max-width: 800px;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4rem);
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.01em;
}

.hero-content h1 span {
  color: var(--color-accent);
}

.hero-content p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text);
  font-weight: 300;
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.9rem 2.5rem;
  border-radius: var(--radius);
  transition: background var(--transition), transform var(--transition);
}

.hero-cta:hover {
  background: var(--color-accent-dark);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

.scroll-indicator svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

/* ---- Sections allgemein ---- */
section {
  padding: 6rem 2rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.8rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.section-divider {
  width: 50px;
  height: 3px;
  background: var(--color-accent);
  margin-bottom: 2.5rem;
  border-radius: 2px;
}

/* ---- Über mich / About ---- */
#about {
  background: var(--color-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: center;
}

.about-image-wrap {
  position: relative;
}

.about-image-wrap::before {
  content: '';
  position: absolute;
  top: -15px;
  left: -15px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius);
  z-index: 0;
  opacity: 0.5;
}

.about-image-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 260px;
  border-radius: var(--radius);
  display: block;
  filter: saturate(0.9) contrast(1.05);
  margin: 0 auto;
}

.about-text p {
  color: var(--color-text);
  font-size: 1.05rem;
  margin-bottom: 1.2rem;
  line-height: 1.8;
}

.about-text p:last-of-type {
  margin-bottom: 0;
}

.about-intro {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.8rem !important;
}

.about-quote {
  border-left: 3px solid var(--color-accent);
  padding: 0.8rem 1.2rem;
  margin: 0 0 1.4rem 0;
  background: rgba(46, 204, 113, 0.06);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.about-quote p {
  color: var(--color-white);
  font-size: 1rem;
  font-style: italic;
  margin-bottom: 0.3rem !important;
  line-height: 1.6;
}

.about-quote p:last-child {
  margin-bottom: 0 !important;
}

.about-closing {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-accent);
  margin-top: 0.5rem;
}

/* ---- Facetten / Flip-Karten ---- */
#themen {
  background: var(--color-bg-light);
}

.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

/* Flip-Karte Container */
.flip-card {
  perspective: 1000px;
  height: 200px;
  cursor: pointer;
}

.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              -webkit-transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  -webkit-transform: translateZ(0);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  text-align: center;
}

.flip-card-front {
  background: var(--color-bg-card);
  transition: border-color var(--transition);
}

.flip-card:hover .flip-card-front {
  border-color: var(--color-accent);
}

.flip-card-front h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: 0.6rem;
}

.flip-hint {
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.7;
}

.flip-card-back {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: rotateY(180deg);
  -webkit-transform: rotateY(180deg);
}

.flip-card-back p {
  color: #0d1f14;
  font-size: 0.9rem;
  line-height: 1.65;
  font-weight: 500;
}

/* ---- Kontakt ---- */
#kontakt {
  background: var(--color-bg);
}

.contact-single {
  max-width: 680px;
}

.contact-lead {
  font-size: 1.1rem;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin-bottom: 2rem;
}

.contact-actions {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  flex-wrap: wrap;
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.contact-item svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-item span {
  color: var(--color-text);
  font-size: 1rem;
}

.contact-item a {
  color: var(--color-text);
}

.contact-item a:hover {
  color: var(--color-accent);
}

.btn-mail {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  margin-top: 1.5rem;
  transition: background var(--transition), transform var(--transition);
}

.btn-mail:hover {
  background: var(--color-accent-dark);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.btn-mail svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-bg);
}

/* Social Links */
.social-links {
  margin-top: 2rem;
}

.social-links h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: 1.2rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.social-icon:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-3px);
}

.social-icon svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* Kontakt-Karte rechts */
.contact-card {
  background: var(--color-bg-card);
  border-radius: var(--radius);
  padding: 2.5rem;
  border-top: 3px solid var(--color-accent);
}

.contact-card h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.contact-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* ---- Footer ---- */
footer {
  background: rgba(0,0,0,0.3);
  padding: 2rem;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

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

.footer-social {
  display: flex;
  gap: 1rem;
}

.footer-social a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.footer-social svg {
  width: 18px;
  height: 18px;
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.8rem;
}

/* ---- Impressum / Datenschutz Seiten ---- */
.legal-page {
  padding: 8rem 2rem 5rem;
  max-width: 800px;
  margin: 0 auto;
}

.legal-page h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.legal-page .section-divider {
  margin-bottom: 2rem;
}

.legal-page h2 {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--color-white);
  margin-top: 2rem;
  margin-bottom: 0.7rem;
}

.legal-page p, .legal-page address {
  color: var(--color-text);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  font-style: normal;
}

.legal-page a {
  color: var(--color-accent);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 2.5rem;
  transition: gap var(--transition);
}

.back-link:hover {
  gap: 0.8rem;
  color: var(--color-accent-dark);
}

.back-link svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
}

/* ---- Fade-in Animationen ---- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---- Silbentrennung ---- */
body,
.flip-card-back p,
.about-text p,
.contact-lead,
.about-quote p {
  hyphens: auto;
  -webkit-hyphens: auto;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image-wrap {
    max-width: 320px;
    margin: 0 auto;
  }
}

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

  .flip-card {
    height: 220px;
  }

  .flip-card-front,
  .flip-card-back {
    padding: 1.4rem;
  }

  .flip-card-front h3 {
    font-size: 1.05rem;
  }

  .flip-card-back p {
    font-size: 0.85rem;
    line-height: 1.55;
  }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(30, 42, 53, 0.98);
    padding: 1.5rem 2rem;
    gap: 1.2rem;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  section {
    padding: 4rem 1.5rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.8rem;
    align-items: center;
  }

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

  .flip-card {
    height: 200px;
    -webkit-tap-highlight-color: transparent;
  }

  .flip-card-inner {
    transform-style: preserve-3d;
    -webkit-transform-style: preserve-3d;
  }

  .flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
    -webkit-transform: rotateY(180deg);
  }

  .flip-card-front,
  .flip-card-back {
    position: absolute;
    inset: 0;
    padding: 1.5rem;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
  }

  .flip-card-front {
    display: flex;
  }

  .flip-card-back {
    transform: rotateY(180deg);
    -webkit-transform: rotateY(180deg);
    display: flex;
  }

  .contact-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.2rem;
  }
}