:root {
    --bg: #050505;
    --surface: rgba(20, 20, 20, 0.6);
    --surface-glass: rgba(255, 255, 255, 0.03);
    --surface-card: rgba(30, 30, 30, 0.4);
    --border: rgba(255, 255, 255, 0.1);
    --border-highlight: rgba(255, 255, 255, 0.3);
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --font-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --max-width: 1000px;
}

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

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 16px;
    overflow-x: hidden;
}

#star-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

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

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

a {
    text-decoration: none;
    color: inherit;
    transition: 0.2s;
}

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 24px;
    position: relative;
    z-index: 1;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
    padding: 16px 0;
}

.brand {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.lang-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: 0.2s;
}

.lang-btn:hover {
    border-color: var(--text-primary);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.hero {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 60px;
    align-items: flex-start;
    margin-bottom: 80px;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    background: linear-gradient(to right, #fff, #bbb);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 85px;
}

.profile-img-container {
    position: relative;
    display: inline-flex;
    justify-content: center;
    align-items: center;
}

.profile-img {
    width: 320px;
    height: 320px;
    border-radius: 20px;
    object-fit: cover;
    border: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: 0.3s;
    will-change: transform;
}

.profile-img:hover {
    border-color: var(--text-primary);
}

.facts-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.fact-item {
    display: flex;
    flex-direction: column;
}

.span-2 {
    grid-column: span 2;
}

.contact-wrapper {
    display: flex;
    gap: 16px;
}

.contact-btn {
    background: var(--text-primary);
    color: var(--bg);
    font-weight: 600;
    padding: 10px 24px;
    border: none;
}

.fact-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.fact-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.section-header {
    margin-bottom: 40px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.project-grid {
    display: grid;
    gap: 32px;
}

.project-card {
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 28px;
    transition: 0.2s;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    border-color: var(--border-highlight);
    transform: translateY(-2px);
    background: rgba(40, 40, 40, 0.5);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--border);
    opacity: 0.5;
}

.project-card:hover::before {
    background: var(--text-primary);
    opacity: 1;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}



.project-content p {
    font-size: 0.95rem;
    color: #d0d0d0;
    margin-bottom: 12px;
}

.tech-stack {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-family: monospace;
}

.skills-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 80px;
    text-align: center;
}

.skill-col {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.skill-col h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
}

.skill-list {
    padding: 0;
    margin: 0;
    width: 100%;
}

.skill-list li {
    margin-bottom: 10px;
    color: var(--text-primary);
    text-align: center;
}

footer {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.socials {
    display: flex;
    gap: 20px;
}

.socials a:hover {
    color: var(--text-primary);
}

.easteregg-text {
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: var(--text-secondary);
    pointer-events: none;
    text-align: center;
    width: 200%;
    animation: bounceText 2s infinite;
}

@keyframes bounceText {

    0%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    50% {
        transform: translateY(5px) translateX(-50%);
    }
}

.easteregg-glasses {
    position: absolute;
    top: 42%;
    left: 49%;
    transform: translate(-50%, -50%) scale(0) rotate(-3.5deg);
    width: 140px;
    pointer-events: none;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.4s ease;
    opacity: 0;
    z-index: 10;
}

.easteregg-glasses.show {
    transform: translate(-50%, -50%) scale(1) rotate(-3.5deg);
    opacity: 1;
}

@media (max-width: 800px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-image-wrapper {
        order: -1;
        margin-top: 0;
    }

    .profile-img {
        width: 140px;
        height: 140px;
    }

    .easteregg-glasses {
        width: 61px;
    }

    .facts-list {
        text-align: left;
    }

    h1 {
        font-size: 2.2rem;
    }
}