/* Grundstil */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea, #764ba2, #89f7fe);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    position: relative;
    color: #fff;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Canvas für Partikel */
#particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* Container */
.container {
    text-align: center;
    z-index: 1;
    animation: fadeIn 1.2s ease forwards;
}

h1 {
    font-size: 3rem;
    margin-bottom: 50px;
    text-shadow: 2px 2px 20px rgba(0,0,0,0.4);
}

/* Buttons */
.buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 1;
}

.btn {
    padding: 15px 50px;
    font-size: 1.2rem;
    color: #fff;
    text-decoration: none;
    border: 2px solid #fff;
    border-radius: 50px;
    transition: all 0.5s ease;
    position: relative;
    overflow: hidden;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(6px);
    box-shadow: 0 0 25px rgba(0,0,0,0.2);
}

/* Schimmer-Effekt für Buttons */
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(120deg, rgba(255,255,255,0.3), rgba(255,255,255,0.1), rgba(255,255,255,0.3));
    transition: all 0.6s ease;
}

.btn:hover::before {
    left: 0;
}

.btn:hover {
    color: #764ba2;
    background: #fff;
    transform: scale(1.1) rotate(-2deg);
    box-shadow: 0 20px 35px rgba(0,0,0,0.35);
}

/* Fade-In Animation */
@keyframes fadeIn {
    from {opacity: 0; transform: translateY(50px);}
    to {opacity: 1; transform: translateY(0);}
}
