* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    color: #5900ff;
    overflow-x: hidden;
}

.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

#video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.content {
    position: relative;
    padding: 2rem 1rem;
    max-width: 700px;
    margin: 50px auto 0;
    min-height: 80vh;
    background-color: rgba(0, 0, 0, 0);
    backdrop-filter: blur(2px);
    opacity: 1;
    transition: opacity 0.5s ease;
    z-index: 1;
}

.content.visible {
    opacity: 1;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.tag_line {
    font-size: 1.2rem;
    font-style: italic;
    opacity: 0.9;
}

section {
    margin-bottom: 2.5rem;
}

h2 {
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

p {
    line-height: 1.6;
    margin-bottom: 1rem;
}

.contacts p {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
}

.volume-control {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    z-index: 1000;
}

.volume-icon {
    width: 20px;
    height: 20px;
    background-color: #4CAF50;
    mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M11 5L6 9H2v6h4l5 4V5z"></path><path d="M15.54 8.46a5 5 0 010 7.07"></path><path d="M19.07 4.93a10 10 0 010 14.14"></path></svg>') no-repeat center;
    mask-size: contain;
    cursor: pointer;
    margin-right: 10px;
}

.volume-slider {
    width: 0;
    opacity: 0;
    transition: width 0.3s ease, opacity 0.3s ease;
    appearance: none;
    background: #ddd;
    height: 5px;
    border-radius: 5px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    appearance: none;
    width: 15px;
    height: 15px;
    background: #4CAF50;
    border-radius: 50%;
    cursor: pointer;
}

.volume-control:hover .volume-slider {
    width: 150px;
    opacity: 1;
}

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.5s ease;
    backdrop-filter: blur(10px);
}

#overlay.hidden {
    opacity: 0;
} 