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

body, html {
    width: 100%;
    height: 100%;
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background-color: #0d1117; 
    color: #ffffff;
    overflow: hidden;
}

#particles-js {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    background-color: #0d1117;
}

.content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 40px 20px;
    text-align: center;
    pointer-events: none;
}

header, .bio, footer {
    pointer-events: auto;
}

.main-logo {
    max-width: 250px;
    width: 80%;
    height: auto;
    margin-top: 8vh;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.bio {
    max-width: 600px;
    font-size: 1.2rem;
    line-height: 1.6;
    font-weight: 300;
    color: #e2e8f0;
    padding: 0 10px;
}

footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    margin-bottom: 5vh;
}

.contacts {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: 1px solid #ffffff;
    color: #ffffff;
    text-decoration: none;
    letter-spacing: 0.1rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.btn:hover {
    background-color: #ffffff;
    color: #0d1117;
}

.btn-secondary {
    border-color: rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.8);
}

.btn-secondary:hover {
    border-color: #ffffff;
    background-color: transparent;
    color: #ffffff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.company-data {
    font-size: 0.75rem;
    color: #718096;
    line-height: 1.5;
    letter-spacing: 0.05rem;
    font-weight: 300;
}