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

body, html {
    height: 100%;
    width: 100%;
    font-family: 'Russo One', sans-serif; /* A blocky, impactful font */
    overflow: hidden; /* Prevent scrolling */
}

.background-container {
    /* Background image as fallback */
    background-image: url('assets/Background.png');
    background-size: cover;
    background-position: top center;
    background-repeat: no-repeat;
    height: 100vh; /* Fallback */
    height: 100dvh; /* Dynamic viewport height for mobile */
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden; /* Ensure video doesn't overflow */
}

#bg-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    object-fit: cover;
    object-position: top center; /* Anchor to the top */
}

header {
    padding: 20px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10; /* Ensure on top of video */
}

.logo {
    max-width: 300px; /* Increased size */
    height: auto;
    filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.3));
}

.content-spacer {
    flex-grow: 1;
}

footer {
    padding-bottom: 50px; /* Space from bottom */
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.button-container {
    display: flex;
    flex-direction: column;
    gap: 20px; /* Increased gap */
    align-items: center;
    width: 100%;
    max-width: 450px; /* Slightly wider */
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 24px; /* Increased padding */
    text-decoration: none;
    border-radius: 20px; /* More rounded */
    width: 100%;
    font-size: 1.2rem;
    font-weight: 900; /* Extra bold */
    text-transform: uppercase;
    transition: transform 0.1s ease, opacity 0.2s ease;
    box-shadow: 0 4px 8px rgba(0,0,0,0.4); /* Stronger shadow */
    letter-spacing: 0.5px;
}

.btn:hover {
    transform: scale(1.02);
    opacity: 0.95;
}

.btn-black {
    background-color: #000;
    color: #fff;
    border: 2px solid #000;
}

.btn-white {
    background-color: #fff;
    color: #000;
    border: 2px solid #fff;
}

.icon {
    width: 24px;
    height: 24px;
    margin-right: 12px;
    object-fit: contain;
}

/* Adjust icon sizes if needed */
.btn-white .icon {
    width: 20px; /* The telegram plane often looks better slightly smaller */
    height: 20px;
}

@media (max-width: 600px) {
    .background-container {
        justify-content: space-between; /* Push header to top, footer to bottom */
    }

    header {
        position: static;
        display: flex;
        justify-content: center;
        padding-top: 40px; /* Give some space from top edge */
    }

    .content-spacer {
        display: none;
    }

    footer {
        padding-bottom: 20px; /* Reduce bottom padding to push buttons lower */
    }

    .logo {
        max-width: 250px;
    }
    
    .btn {
        font-size: 1rem;
        padding: 12px 24px; /* Slightly more compact */
    }

    .button-container {
        width: 85%;
        max-width: 350px;
        gap: 15px; /* Tighter gap */
    }
}