@font-face {
  font-family: 'Plus Jakarta Sans';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('../fonts/plus-jakarta-sans.woff2') format('woff2');
}
:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --color-bg: #0d1117;
  --color-bg-alt: #161b22;
  --color-card: #1f242d;
  --color-border: #30363d;
  
  --color-text-main: #e6edf3;
  --color-text-muted: #8b949e;
  
  --color-accent: #d97706; /* Warm Brass / Gold Accent */
  --color-accent-light: #f59e0b;
  --color-accent-glow: rgba(217, 119, 6, 0.15);
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-sans);
  color: var(--color-text-main);
  background-color: var(--color-bg);
  line-height: 1.7;
}

body {
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Typografie */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0;
}

h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 0.5rem;
}

h2 {
  font-size: 2.2rem;
  line-height: 1.25;
  margin-bottom: 0.8rem;
}

h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

p {
  color: var(--color-text-muted);
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

p strong {
  color: var(--color-text-main);
}

a {
  color: var(--color-accent-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: #ffffff;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(13, 17, 23, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

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

.nav-links a {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

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

.nav-cta {
  padding: 0.5rem 1.2rem;
  border: 1px solid var(--color-accent);
  border-radius: 6px;
  color: var(--color-accent-light) !important;
  transition: all 0.2s ease;
}

.nav-cta:hover {
  background: var(--color-accent);
  color: #ffffff !important;
}

/* Language Switcher Button mit Kreis-Flagge */
.lang-switch {
  display: flex;
  align-items: center;
  margin-left: 0.5rem;
}

.flag-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.flag-icon:hover {
  transform: scale(1.15);
}

.flag-svg {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--color-border);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}

/* Layout Blocks */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 7rem 0;
}

.bg-alt {
  background-color: var(--color-bg-alt);
}

.section-header {
  margin-bottom: 3rem;
}

.section-header.center {
  text-align: center;
}

.section-subtitle {
  text-transform: uppercase;
  font-size: 1.19rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}

.hero-label {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 1.19rem;
  color: var(--color-accent);
  font-weight: 700;
  display: block;
  margin-bottom: 1rem;
}

.lead-text {
  font-size: 1.2rem;
  max-width: 750px;
}

/* Hero Section */
.hero-section {
  padding-top: 11rem;
  padding-bottom: 6rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4rem;
  align-items: center;
}

.hero-image-wrapper {
  aspect-ratio: 4 / 5;
  background-color: var(--color-card);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.intro-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-text-main);
}

.hero-portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

/* Roles & Cards */
.roles-grid, .projects-grid, .teaching-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.role-card, .project-card, .card {
  background: var(--color-card);
  padding: 2.2rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.role-card:hover, .project-card:hover, .card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

/* Organische Unterrichts-Tags */
.topics-box {
  background: var(--color-bg);
  padding: 2.5rem;
  border-radius: 12px;
  border-left: 4px solid var(--color-accent);
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.topics-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1rem;
  margin-top: 1.2rem;
}

.topic-tag {
  background: var(--color-card);
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.topic-tag:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

/* Projects Section */
.project-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.project-img-wrapper {
  width: 100%;
  height: 220px;
  background-color: var(--color-card);
  overflow: hidden;
  position: relative;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}

.project-card:hover .project-img {
  transform: scale(1.05);
}

.project-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-link {
  margin-top: auto;
  padding-top: 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-accent-light);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  height: 240px;
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.06);
}

/* Media Box */
.media-placeholder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.media-box-link {
  text-decoration: none;
  display: block;
}

.media-box {
  background: var(--color-card);
  border: 1px dashed var(--color-border);
  padding: 3.5rem 2rem;
  text-align: center;
  border-radius: 12px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.media-box:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.media-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* Unterricht: Abstände bei "Digitaler Proberaum" */
#unterricht .section-header {
  margin-top: 4rem !important;
  margin-bottom: 2.5rem !important;
}

/* Jamulus & Teaching */
.jamulus-box {
  background: var(--color-accent-glow);
  border: 1px solid var(--color-accent);
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 4rem !important;
}

.jamulus-box h3 {
  color: var(--color-accent-light);
  margin-bottom: 0.5rem;
}

.jamulus-details {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-top: 2rem;
  overflow: hidden;
}

.toggle-btn {
  padding: 1.5rem 2rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-accent-light);
  list-style: none;
}

.details-content {
  padding: 0 2rem 2rem 2rem;
  border-top: 1px solid var(--color-border);
}

.highlight {
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  padding: 1.2rem;
  border-radius: 0 8px 8px 0;
  margin-top: 1.5rem;
}

/* Contact Centered */
.contact-centered {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  max-width: 650px;
  margin: 0 auto;
}

.contact-name {
  font-size: 1.3rem;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.contact-info {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.contact-phone {
  font-size: 1.05rem;
  margin-bottom: 1rem;
}

.cta-button {
  display: inline-block;
  background: var(--color-accent);
  color: #ffffff !important;
  padding: 1.1rem 2.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  margin-top: 1rem;
  transition: background 0.2s ease, transform 0.2s ease;
}

.cta-button:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

/* Download-Sektion im Kontakt-Bereich */
#contact .download-box {
  margin-top: 7rem !important;
  padding-top: 3rem !important;
  border-top: 1px solid var(--color-border) !important;
  width: 100% !important;
  max-width: 500px !important;
  display: block !important;
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-card);
  color: var(--color-accent-light) !important;
  border: 1px solid var(--color-border);
  padding: 0.7rem 1.4rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.download-link:hover {
  border-color: var(--color-accent);
  background: var(--color-bg);
  transform: translateY(-2px);
}

/* Footer & Modal */
.footer {
  text-align: center;
  padding: 4rem 0;
  border-top: 1px solid var(--color-border);
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.modal {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal:target {
  display: flex;
}

.modal-content {
  background: var(--color-card);
  padding: 3rem;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  max-width: 520px;
  width: 90%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 1rem; right: 1.5rem;
  font-size: 2rem;
  color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-image-wrapper {
    order: -1;
    max-width: 300px;
    margin: 0 auto;
  }
  .media-placeholder-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
}
/* Modal Scrollbar Fix für lange Texte (Datenschutz) */
.modal-content {
  max-height: 85vh;
  overflow-y: auto;
}

.modal-content h2 {
  margin-top: 0;
}