:root {
  --bg-color: #0b0b0e;
  --accent-color: #ffffff;
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --border-subtle: rgba(255, 255, 255, 0.12);
}

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

html {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
::selection { background: rgba(255, 255, 255, 0.18); color: var(--accent-color); }
::-moz-selection { background: rgba(255, 255, 255, 0.18); color: var(--accent-color); }

#preloader {
  position: fixed; inset: 0; background: var(--bg-color);
  z-index: 99999; display: flex; justify-content: center; align-items: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

#preloader img { animation: pulse 1.5s infinite; }
@keyframes pulse { 0%, 100% { opacity: 0.3; transform: scale(0.98); } 50% { opacity: 1; transform: scale(1); } }

.noise-overlay {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999; opacity: 0.04;
  background-image: url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyBAMAAADsEZWCAAAAGFBMVEUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMc/kUAAAACHRSTlMAMwBf/9/vq5+OugAAAQhJREFUOMuVlDEOgzAMQ9kQco7QnSvwA8YxQzcwVu7/KyklNWhIYW7x4sV+Yptm553F1t15T6P7nJ26k4t427138C6m4V3MOwT3Wc97hOBe23sP4b3P+4QQ3uf9jxDe5/0PEd7nfYEQ3ue9QQjv894ghPd5bxDCEIQgBCEIQQhCEIIQhCAEIQhBCEIQghCEIAQhCEEIQhCCEIIQhCAEIQhBCEIQghCEIAQhCEEIQhCCEIQgBCEIQQhCEIIQhCAEIQhBCEIQghCEIAQhCEEIQhCCEIQgBCEIQQhCEIIQhCAEIQhBCEIQghCEIAQhCEEIQhCCEIR/8D7vDUJ4n/cG/w0L135E2fEAAAAASUVORK5CYII=");
  background-repeat: repeat;
  transform: translate3d(0, 0, 0); 
}

html[lang="de"] .lang-en, html[lang="en"] .lang-de { display: none !important; }

.gsap-fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); }
.gsap-fade-up.in-view { opacity: 1; transform: translateY(0); }

.gsap-reveal-text span { display: block; transform: translateY(110%); margin-top: -0.05em; will-change: transform; }
.gsap-reveal-text { overflow: hidden; display: inline-block; vertical-align: top; }

.fixed-bg-stage { position: fixed; inset: 0; z-index: -2; overflow: hidden; background: #000; transform: translate3d(0, 0, 0); }
.bg-overlay { position: absolute; inset: 0; background: rgba(11, 11, 14, 0.75); z-index: 1; }

/* GPU-Layerisolation für butterweiche Hintergrundübergänge */
.bg-still {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; visibility: hidden; transform: scale(1) translate3d(0, 0, 0);
  transition: opacity 0.8s ease, visibility 0.8s, transform 12s cubic-bezier(0.2, 0.8, 0.2, 1);
  z-index: 0; will-change: opacity, transform;
}
.bg-still.active { 
  opacity: 1; visibility: visible; transform: scale(1.05) translate3d(0, 0, 0); 
  transition: opacity 0.8s ease, visibility 0s, transform 12s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.content-layer { position: relative; z-index: 10; }

.scroll-progress {
  position: fixed; top: 0; left: 0; height: 2px; background: var(--accent-color);
  width: 0%; z-index: 2000; transform: translate3d(0, 0, 0);
}

.navbar {
  position: fixed; top: 0; left: 0; width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 5%; background: rgba(11, 11, 14, 0.85); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent; z-index: 1000; transform: translate3d(0, 0, 0);
}

.brand { display: flex; align-items: center; gap: 14px; }
.brand-text-group { display: flex; flex-direction: column; }
.logo-text { font-weight: 700; letter-spacing: 2.5px; font-size: clamp(0.9rem, 2vw, 1.05rem); color: var(--accent-color); line-height: 1.1; }
.logo-subtext { font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-secondary); letter-spacing: 1.5px; margin-top: 2px; }

nav { display: flex; align-items: center; }
nav a { color: var(--text-secondary); margin-left: 2rem; font-size: 0.85rem; transition: color 0.2s ease; cursor: pointer; }
nav a:hover { color: var(--accent-color); }
.lang-switch { margin-left: 2rem; font-size: 0.85rem; color: var(--text-secondary); display: flex; gap: 4px; }
.lang-btn { background: none; border: none; color: var(--text-secondary); font-family: var(--font-mono); font-size: 0.85rem; padding: 0; cursor: pointer; transition: color 0.2s; }
.lang-btn.active, .lang-btn:hover { color: var(--accent-color); }

.section { padding: 8rem 5% 5rem 5%; max-width: 1300px; margin: 0 auto; }
.section-header { margin-bottom: 4rem; border-bottom: 1px solid var(--border-subtle); padding-bottom: 0.8rem; }
.section-title { font-size: 0.9rem; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 2px; color: var(--accent-color); }
.section-title span { color: var(--text-secondary); margin-right: 8px; }

.hero { min-height: 100vh; display: flex; align-items: center; padding: 120px 5% 60px 5%; max-width: 1300px; margin: 0 auto; }
.hero-content { max-width: 900px; padding: 0; }
.tagline { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-secondary); display: inline-block; margin-bottom: 1.5rem; }

.hero h1 { 
  font-size: clamp(2.8rem, 6vw, 5rem); 
  font-weight: 300; 
  line-height: 1.0; 
  margin-bottom: 1.5rem; 
  color: var(--accent-color); 
  letter-spacing: -0.03em; 
  text-shadow: 0 4px 20px rgba(0,0,0,0.5); 
}
.subtext { color: var(--text-secondary); font-size: clamp(1rem, 2vw, 1.1rem); font-weight: 300; margin-bottom: 3rem; max-width: 700px; text-shadow: 0 2px 10px rgba(0,0,0,0.5); }

.hero-actions { display: flex; gap: 1.2rem; align-items: center; }
.btn { display: inline-block; padding: 0.9rem 2.2rem; font-size: 0.85rem; letter-spacing: 1px; border-radius: 4px; cursor: pointer; transition: transform 0.2s, background 0.3s, border-color 0.3s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent-color); color: var(--bg-color); border: 1px solid var(--accent-color); font-weight: 500; }
.btn-primary:hover { background: #e4e4e7; border-color: #e4e4e7; }
.btn-secondary { background: transparent; color: var(--text-primary); border: 1px solid var(--border-subtle); }
.btn-secondary:hover { border-color: var(--accent-color); }

.video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 4rem 2rem; }
.card { background: transparent; border: none; overflow: visible; display: flex; flex-direction: column; gap: 1.2rem; cursor: pointer; }

.video-wrapper { position: relative; width: 100%; height: 0; background: #000; overflow: hidden; }
.ratio-16-9 { padding-bottom: 56.25%; }
.ratio-9-16 { padding-bottom: 177.78%; }

.youtube-facade { position: relative; }
.youtube-facade:focus { outline: 2px solid var(--accent-color); outline-offset: 4px; }
.youtube-facade .facade-bg { position: absolute; inset: 0; background-size: cover; background-position: center; transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1); }
.card:hover .facade-bg, .vertical-card:hover .facade-bg { transform: scale(1.05); }

.youtube-facade .play-btn {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 64px; height: 64px; border-radius: 50%;
  background: rgba(0, 0, 0, 0.25); border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.3s, border-color 0.3s;
  pointer-events: none;
}
.card:hover .play-btn, .vertical-card:hover .play-btn, .youtube-facade:focus .play-btn { 
  transform: translate(-50%, -50%) scale(1.08); 
  background: rgba(255, 255, 255, 0.1); 
  border-color: rgba(255, 255, 255, 0.7); 
}
.youtube-facade .play-btn::before { content: ''; display: block; border-style: solid; border-width: 8px 0 8px 12px; border-color: transparent transparent transparent var(--accent-color); margin-left: 4px; }
.video-wrapper iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

.card-info h3 { font-size: 1.1rem; font-weight: 400; color: var(--accent-color); margin-bottom: 0.6rem; letter-spacing: 0.5px; }

.role-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.role-tags span {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--text-secondary); text-transform: uppercase;
  padding: 4px 10px; border: 1px solid var(--border-subtle); border-radius: 100px;
}

.vertical-video-section { margin-top: 8rem; }
.subsection-title { font-size: 0.85rem; font-family: var(--font-mono); color: var(--text-secondary); margin-bottom: 2.5rem; }
.vertical-video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 3rem 1.8rem; }
.vertical-card { background: transparent; border: none; overflow: visible; display: flex; flex-direction: column; gap: 1.2rem; cursor: pointer; }

.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 4rem; }
.about-text, .about-specs { padding: 0; }
.lead-text { font-size: clamp(1.2rem, 2.5vw, 1.4rem); font-weight: 300; color: var(--accent-color); line-height: 1.5; margin-bottom: 2rem; }
.about-text p { font-size: 1.05rem; font-weight: 300; margin-bottom: 1.4rem; color: var(--text-secondary); }
.about-specs { display: flex; flex-direction: column; gap: 2.5rem; padding-top: 0.5rem; }
.spec-group h4 { font-size: 0.8rem; font-family: var(--font-mono); text-transform: uppercase; color: var(--accent-color); margin-bottom: 0.6rem; letter-spacing: 1px; }
.spec-group p { font-size: 0.95rem; color: var(--text-secondary); font-weight: 300; }

#contact { padding-top: 10rem; padding-bottom: 10rem; text-align: center; }
.contact-cta { display: flex; flex-direction: column; align-items: center; gap: 2rem; }
.contact-headline { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 300; color: var(--text-secondary); }
.contact-links { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; justify-content: center; }
.massive-mail { font-size: clamp(2rem, 5vw, 4rem); font-weight: 300; color: var(--accent-color); transition: opacity 0.3s, transform 0.3s; display: inline-block; }
.massive-mail:hover { opacity: 0.7; transform: translateY(-2px); }

.social-icon { 
  display: flex; align-items: center; justify-content: center; width: 56px; height: 56px; 
  border: 1px solid var(--border-subtle); border-radius: 50%; color: var(--accent-color); 
  transition: background 0.3s, border-color 0.3s, transform 0.3s; 
}
.social-icon svg { width: 24px; height: 24px; }
.social-icon:hover { background: var(--accent-color); color: var(--bg-color); border-color: var(--accent-color); transform: translateY(-2px); }

/* Footer & Accordion */
footer { border-top: 1px solid var(--border-subtle); padding: 3rem 5%; max-width: 1300px; margin: 0 auto; font-size: 0.8rem; color: var(--text-secondary); }
.legal-toggle-btn { background: none; border: none; color: var(--text-secondary); font-family: var(--font-mono); font-size: 0.8rem; padding: 0; cursor: pointer; display: flex; gap: 6px; transition: color 0.2s; }
.legal-toggle-btn:hover { color: var(--accent-color); }

.legal-accordion { height: 0; overflow: hidden; width: 100%; will-change: height; }
.legal-accordion-inner { padding-top: 2rem; margin-top: 2rem; border-top: 1px dashed var(--border-subtle); padding-bottom: 2rem; }

.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
footer h4 { color: var(--text-primary); margin-bottom: 0.8rem; font-size: 0.85rem; text-transform: uppercase; }

@media (max-width: 850px) { .about-grid { grid-template-columns: 1fr; gap: 3rem; } .video-grid { grid-template-columns: 1fr; } }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .contact-links { flex-direction: column; gap: 1.5rem; }
}
@media (max-width: 600px) { nav a { display: none; } .logo-subtext { display: none; } }