body {
 font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
 color: #ffffff;
 margin: 0;
 padding: 0;
 background: linear-gradient(135deg, #020617, #07162c, #0a2540, #0056b3, #00d4ff, #07162c, #020617);
 background-size: 300% 300%;
 animation: gradientMove 12s ease-in-out infinite;
 overflow-x: hidden;
 height: 100vh;
}

@keyframes gradientMove {
 0% {
  background-position: 0% 50%;
 }
 50% {
  background-position: 100% 50%;
 }
 100% {
  background-position: 0% 50%;
 }
}

#intro-screen {
 position: fixed;
 top: 0;
 left: 0;
 width: 100%;
 height: 100%;
 display: flex;
 flex-direction: column;
 justify-content: center;
 align-items: center;
 background: rgba(2, 6, 23, 0.8);
 backdrop-filter: blur(20px);
 -webkit-backdrop-filter: blur(20px);
 z-index: 9999;
 transition: opacity 0.8s ease, transform 0.8s ease;
 text-align: center;
 padding: 20px;
 box-sizing: border-box;
}

.music-icon {
 width: 85px;
 height: 85px;
 border: 4px solid #00d4ff;
 border-radius: 50%;
 display: flex;
 justify-content: center;
 align-items: center;
 animation: pulseIcon 2s infinite ease-in-out;
 box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
 margin-bottom: 30px;
}

.music-icon::before {
 content: "";
 width: 80px;
 height: 80px;
 background-image: url('logo.jpg');
 background-size: cover;
 background-position: center;
 border-radius: 50%;
}

@keyframes pulseIcon {
 0%, 100% {
  transform: scale(1);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
 }
 50% {
  transform: scale(1.06);
  box-shadow: 0 0 45px rgba(0, 212, 255, 0.7);
 }
}

/* Animierter Titel der Einstiegsseite */
.animated-intro-title {
 font-size: 3rem;
 font-weight: 900;
 text-transform: uppercase;
 letter-spacing: 4px;
 margin-bottom: 15px;
 background: linear-gradient(90deg, #ffffff 0%, #00d4ff 25%, #0056b3 50%, #00d4ff 75%, #ffffff 100%);
 background-size: 200% auto;
 -webkit-background-clip: text;
 -webkit-text-fill-color: transparent;
 text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
 animation: textShineFlow 3s linear infinite;
}

#intro-screen p {
 font-size: 1.15rem;
 color: #cbd5e1;
 margin-bottom: 40px;
 max-width: 520px;
 line-height: 1.6;
}

.soundwave {
 display: flex;
 gap: 6px;
 height: 32px;
 margin-bottom: 40px;
 align-items: center;
}

.wave-bar {
 width: 4px;
 height: 100%;
 background: linear-gradient(to top, #0056b3, #00d4ff);
 border-radius: 2px;
 animation: wave 1.1s ease-in-out infinite alternate;
}

.wave-bar:nth-child(1) {
 animation-delay: 0.1s;
}

.wave-bar:nth-child(2) {
 animation-delay: 0.4s;
}

.wave-bar:nth-child(3) {
 animation-delay: 0.2s;
}

.wave-bar:nth-child(4) {
 animation-delay: 0.5s;
}

.wave-bar:nth-child(5) {
 animation-delay: 0.3s;
}

@keyframes wave {
 0% {
  transform: scaleY(0.3);
 }
 100% {
  transform: scaleY(1.4);
  filter: brightness(1.2);
 }
}

.enter-btn {
 background: linear-gradient(135deg, #0056b3, #00d4ff);
 color: #ffffff;
 border: none;
 padding: 15px 42px;
 font-size: 1rem;
 font-weight: bold;
 text-transform: uppercase;
 letter-spacing: 2px;
 border-radius: 40px;
 cursor: pointer;
 box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
 transition: all 0.3s ease;
}

.enter-btn:hover {
 transform: translateY(-2px);
 box-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
}

.fade-out {
 opacity: 0;
 transform: scale(1.05);
 pointer-events: none;
}

#main-content {
 opacity: 0;
 transition: opacity 1.2s ease 0.3s;
 height: auto;
}

body.content-active {
 height: auto;
}

header {
 background: rgba(2, 6, 23, 0.8);
 backdrop-filter: blur(15px);
 -webkit-backdrop-filter: blur(15px);
 padding: 60px 20px 40px 20px;
 text-align: center;
 border-bottom: 2px solid rgba(0, 212, 255, 0.25);
 box-shadow: 0 4px 25px rgba(0,0,0,0.4);
}

header h1 {
 margin-bottom: 20px;
 font-size: 3rem;
 font-weight: 900;
 text-transform: uppercase;
 letter-spacing: 3px;
 background: linear-gradient(90deg, #ffffff 0%, #00d4ff 25%, #0056b3 50%, #00d4ff 75%, #ffffff 100%);
 background-size: 200% auto;
 -webkit-background-clip: text;
 -webkit-text-fill-color: transparent;
 text-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
 animation: textShineFlow 3s linear infinite;
}

/* Gleiche Animation für Titel der Einstiegs- und Haupt-Seite */
@keyframes textShineFlow {
 0% {
  background-position: 0% center;
 }
 100% {
  background-position: 200% center;
 }
}

/* Equalizer-Animation */
.equalizer {
 display: flex;
 justify-content: center;
 align-items: flex-end;
 height: 60px;
 gap: 4px;
 margin-top: 25px;
 max-width: 100%;
 overflow: hidden;
}

.bar {
 width: 5px;
 background: linear-gradient(to top, #0056b3, #00d4ff);
 height: 5px;
 border-radius: 3px 3px 0 0;
}

.b1 {
 animation: eq1  0.4s infinite alternate ease-in-out;
}

.b2 {
 animation: eq2  0.7s infinite alternate ease-in-out;
}

.b3 {
 animation: eq3  0.5s infinite alternate ease-in-out;
}

.b4 {
 animation: eq4  0.6s infinite alternate ease-in-out;
}

.b5 {
 animation: eq1  0.8s infinite alternate ease-in-out;
}

.b6 {
 animation: eq3  0.4s infinite alternate ease-in-out;
}

.b7 {
 animation: eq2  0.5s infinite alternate ease-in-out;
}

.b8 {
 animation: eq4  0.7s infinite alternate ease-in-out;
}

.b9 {
 animation: eq1  0.6s infinite alternate ease-in-out;
}

.b10 {
 animation: eq2  0.4s infinite alternate ease-in-out;
}

.b11 {
 animation: eq3  0.5s infinite alternate ease-in-out;
}

.b12 {
 animation: eq4  0.8s infinite alternate ease-in-out;
}

.b13 {
 animation: eq2  0.6s infinite alternate ease-in-out;
}

.b14 {
 animation: eq1  0.4s infinite alternate ease-in-out;
}

.b15 {
 animation: eq3  0.7s infinite alternate ease-in-out;
}

.b16 {
 animation: eq4  0.5s infinite alternate ease-in-out;
}

.b17 {
 animation: eq2  0.4s infinite alternate ease-in-out;
}

.b18 {
 animation: eq1  0.6s infinite alternate ease-in-out;
}

.b19 {
 animation: eq3  0.8s infinite alternate ease-in-out;
}

.b20 {
 animation: eq4  0.5s infinite alternate ease-in-out;
}

@keyframes eq1 {
 100% {
  height: 55px;
  filter: brightness(1.3);
  box-shadow: 0 0 10px #00d4ff;
 }
}

@keyframes eq2 {
 100% {
  height: 35px;
  filter: brightness(1.2);
  box-shadow: 0 0 8px #00d4ff;
 }
}

@keyframes eq3 {
 100% {
  height: 48px;
  filter: brightness(1.3);
  box-shadow: 0 0 12px #00d4ff;
 }
}

@keyframes eq4 {
 100% {
  height: 22px;
  filter: brightness(1.1);
  box-shadow: 0 0 6px #00d4ff;
 }
}

.container {
 max-width: 920px;
 margin: 0 auto;
 padding: 40px 20px;
 text-align: center;
}

.sub-text-box {
 background: rgba(2, 6, 23, 0.6);
 backdrop-filter: blur(10px);
 -webkit-backdrop-filter: blur(10px);
 padding: 14px 28px;
 border-radius: 30px;
 display: inline-block;
 margin-bottom: 45px;
 border: 1px solid rgba(0, 212, 255, 0.15);
}

.sub-text {
 margin: 0;
 color: #e2e8f0;
 font-size: 1.05rem;
 font-weight: 500;
}

.track-list {
 display: flex;
 flex-direction: column;
 gap: 24px;
}

/* Rahmen der Track-Titel */
.track-card {
 background: rgba(12, 20, 38, 0.85);
 backdrop-filter: blur(12px);
 -webkit-backdrop-filter: blur(12px);
 border: 1px solid rgba(0, 212, 255, 0.3);
 border-radius: 8px;
 padding: 22px 26px;
 display: grid;
 grid-template-columns: 2.2fr 3fr auto;
 align-items: center;
 gap: 20px;
 box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
 transition: all 0.25s ease-in-out;
}

.track-card:hover {
 transform: translateY(-2px);
 background: rgba(16, 28, 54, 0.95);
 border-color: #00d4ff;
 box-shadow: 0 0 20px rgba(0, 212, 255, 0.4), 0 10px 30px rgba(0, 0, 0, 0.6);
}

.track-details h3 {
 margin: 0 0 5px 0;
 font-size: 1.35rem;
 color: #ffffff;
 font-weight: 700;
 text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

.track-details p {
 margin: 0;
 color: #38bdf8;
 font-size: 0.9rem;
 font-weight: 600;
 letter-spacing: 0.5px;
}

.track-player audio {
 width: 100%;
 height: 40px;
 outline: none;
}

.btn-download {
 background: linear-gradient(135deg, #0056b3, #00d4ff);
 color: #ffffff;
 text-decoration: none;
 padding: 12px 28px;
 border-radius: 25px;
 font-weight: bold;
 font-size: 0.9rem;
 text-align: center;
 box-shadow: 0 4px 15px rgba(0, 212, 255, 0.25);
 transition: all 0.3s ease;
 text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.btn-download:hover {
 transform: scale(1.02);
 box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
 filter: brightness(1.15);
}

@media (max-width: 768px) {
 .track-card {
  grid-template-columns: 1fr;
  text-align: center;
  gap: 15px;
  padding: 25px;
 }
 .track-details {
  text-align: center !important;
 }
 .btn-download {
  width: 100%;
 }
}

footer {
 text-align: center;
 padding: 40px 20px;
 margin-top: 60px;
 background: rgba(2, 6, 23, 0.85);
 border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer p {
 margin: 0;
color: #94a3b8;
font-size: 0.85rem;
}