@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

:root {
    --bg-color-start: #0a0a0a;
    --bg-color-end: #1a1a36;
    --text-color: #ffffff;
    --accent-color: #FF7F50; /* oder #ff6b6b oder #40E0D0 oder #8A4FFF */
    --secondary-color: #40E0D0; /* oder #FFA500 oder #40E0D0 oder #8A4FFF */
    --skill-bg-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, var(--bg-color-start) 0%, var(--bg-color-end) 100%);
    background-attachment: fixed;
    min-height: 100vh;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

header {
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(5px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
}

nav ul {
    display: flex;
    justify-content: center;
    list-style-type: none;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--accent-color);
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    margin-bottom: 4rem;
}

.glow-text {
    text-shadow: 0 0 5px var(--accent-color);
}

.glow-text-secondary {
    text-shadow: 0 0 5px var(--secondary-color);
}

h1, h2, h3 {
    margin-bottom: 1rem;
}

h1 {
    font-size: 3rem;
    color: var(--accent-color);
}

h2 {
    font-size: 2.5rem;
    color: var(--secondary-color);
}

.hero {
    text-align: center;
    padding: 8rem 0 4rem;
}

.profile-image-container {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
    position: relative;
    border-radius: 50%;
    background: linear-gradient(110deg, var(--bg-color-start) 8%, var(--bg-color-end) 18%, var(--bg-color-start) 33%);
    background-size: 200% 100%;
    animation: shimmer 1.5s linear infinite;
}

.profile-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--accent-color);
    transition: all 0.5s ease;  /* Ändern wir zu einer einzigen, smoothen Transition */
}

.profile-image.loaded {
    opacity: 1;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.image-change {
    transform: scale(1.1);
    opacity: 0.7;  /* Leichte Transparenz während der Änderung */
}

@keyframes imageFade {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    list-style-type: none;
    margin-top: 2rem;
    perspective: 1000px;
}

.skills-list li {
    background: linear-gradient(
        135deg, 
        rgba(255, 127, 80, 0.1) 0%,
        rgba(64, 224, 208, 0.1) 100%
    );
    color: var(--text-color);
    padding: 1rem 2rem;
    border-radius: 15px;
    font-size: 1rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    backdrop-filter: blur(5px);
    transform-style: preserve-3d;
    transform: perspective(1000px) rotateX(0deg) rotateY(0deg);
}

.skills-list li::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(255, 255, 255, 0.1) 0%,
        transparent 50%
    );
    border-radius: inherit;
    pointer-events: none;
    transition: opacity 0.3s;
    opacity: 0;
}

.skills-list li:hover {
    transform: perspective(1000px) rotateX(10deg) rotateY(10deg) translateZ(20px);
    border-color: rgba(255, 127, 80, 0.3);
    box-shadow: 
        0 5px 15px rgba(255, 127, 80, 0.2),
        0 0 30px rgba(64, 224, 208, 0.1),
        inset 0 0 15px rgba(255, 255, 255, 0.05);
}

.skills-list li:hover::before {
    opacity: 1;
}

.skills-list li::after {
    content: '';
    position: absolute;
    inset: -1px;
    background: linear-gradient(
        45deg,
        var(--accent-color),
        var(--secondary-color)
    );
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
}

.skills-list li:hover::after {
    opacity: 0.3;
}

/* Hinzufügen einer schwebenden Animation für jedes zweite Element */
.skills-list li:nth-child(even) {
    animation: float 6s ease-in-out infinite;
}

.skills-list li:nth-child(odd) {
    animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotateZ(0deg);
    }
    25% {
        transform: translateY(-8px) rotateZ(2deg);
    }
    75% {
        transform: translateY(8px) rotateZ(-2deg);
    }
}

/* Hover stoppt die Animation */
.skills-list li:hover {
    animation-play-state: paused;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    border: 1px solid transparent; /* Fügen wir einen transparenten Rahmen hinzu */
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2),
                0 0 15px rgba(255, 127, 80, 0.3); /* Äußerer Glow */
    border-color: var(--accent-color); /* Rahmen wird farbig */
}

.project-card:hover .project-title {
    text-shadow: 0 0 8px var(--accent-color);
}

.project-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.project-info {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.project-description {
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.cta-button, .project-link {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--accent-color);
    color: var(--bg-color-start);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.cta-button:hover, .project-link:hover {
    background-color: var(--accent-color);
}

.project-link.pulse {
    animation: projectButtonPulse 1.5s infinite;
}

.pulsate {
    animation: pulsate 2s infinite;
}

@keyframes projectButtonPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 127, 80, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 127, 80, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 127, 80, 0);
    }
}

@keyframes pulsate {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 107, 107, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 107, 107, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 107, 107, 0);
    }
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: rgba(10, 10, 10, 0.8);
    margin-top: 2rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .nav-container {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        padding: 0.5rem; /* Reduziertes Padding */
    }

    .nav-toggle {
        display: block;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0.5rem; /* Reduziertes Padding */
    }

    .nav-toggle span {
        display: block;
        width: 22px; /* Leicht reduzierte Breite */
        height: 2px; /* Reduzierte Höhe */
        background-color: var(--text-color);
        margin: 4px 0; /* Reduzierter Abstand */
        transition: 0.4s;
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 60%; /* Reduzierte Breite */
        height: 100vh;
        background-color: var(--bg-color-start);
        transition: 0.3s;
        padding-top: 50px; /* Reduziertes Padding */
    }

    nav.active {
        right: 0;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 0.8rem 0; /* Reduzierter Abstand */
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(-45deg) translate(-4px, 5px); /* Angepasste Transformation */
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(45deg) translate(-4px, -5px); /* Angepasste Transformation */
    }

    /* Anpassung für den Hauptinhalt, um Platz für die Navigationsleiste zu schaffen */
    main {
        padding-top: 50px; /* Reduziertes Padding */
    }
}

.downloads-intro {
    max-width: px;
    color: var(--text-color);
    opacity: 0.9;
    margin-bottom: 2rem;
}

.download-card {
    background: linear-gradient(145deg, rgba(64, 224, 208, 0.05) 0%, rgba(64, 224, 208, 0.02) 100%);
    border: 1px solid rgba(64, 224, 208, 0.1);
    padding: 1.5rem;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.download-card.no-downloads {
    grid-column: 1 / -1;
    text-align: center;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background-color: var(--secondary-color);
    color: var(--bg-color-start);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.download-button i {
    font-size: 1.2rem;
}