html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    background: #000;
    overflow: hidden;
    font-family: 'Montserrat', sans-serif;
}

#glCanvas {
    position: fixed;
    inset: 0;
    z-index: 1;
    opacity: 1;
}

.container {
    position: relative;
    z-index: 10;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    opacity: 0;
}

.glass-panel {
    background: rgba(10, 6, 6, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(28px) saturate(120%);
    -webkit-backdrop-filter: blur(28px) saturate(120%);
    padding: 3.5rem 2.5rem;
    border-radius: 14px;
    text-align: center;
    color: #fff;
    max-width: 500px;
    width: 100%;
    box-shadow:
        0 30px 80px rgba(0,0,0,0.9),
        inset 0 0 60px rgba(120,0,0,0.05);
}

.logo-img {
    display: block;
    max-width: 374px;
    width: 100%;
    margin: 0 auto 2rem auto;
    filter: drop-shadow(0 0 20px rgba(0,0,0,1));
}

h2 {
    font-family: 'Oswald', sans-serif;
    font-size: 1.6rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #bbb;
    margin-bottom: 2.2rem;
    font-weight: 500;
}

.tg-btn {
    display: block;
    margin: 10px auto;
    padding: 18px 40px;
    background: linear-gradient(135deg, #2a0b0b 0%, #120606 100%);
    color: #eee;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px solid rgba(255, 100, 100, 0.12);
    border-radius: 2px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.165,0.84,0.44,1);
}

.tg-btn:hover {
    background: linear-gradient(135deg, #3a1414 0%, #1a0a0a 100%);
    color: #fff;
    box-shadow: 0 0 40px rgba(120,30,30,0.35);
    transform: scale(1.015);
}