/* Reset & Base */
body {
    margin: 0;
    font-family: system-ui, -apple-system, sans-serif;
    overflow: hidden;
    background: #000;
}

#bg-video {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    filter: brightness(0.6);
    transform: scale(1.1);
}

.video-fallback {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 0;
    margin: auto;
    width: min(90%, 480px);
    padding: 18px 22px;
    border-radius: 16px;
    background: rgba(0, 0, 0, 0.75);
    color: #f0f0f0;
    text-align: center;
    font-size: 16px;
    line-height: 1.5;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.center {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 16px;
}

.card {
    text-align: center;
    padding: 50px 40px;
    border-radius: 24px;
    max-width: 850px;
    width: 100%;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

h1 {
    margin: 0 0 8px;
    font-size: 38px;
    letter-spacing: -0.5px;
    color: rgb(209, 233, 255);
}

p {
    margin: 0 0 32px;
    color: rgba(224, 222, 222, 0.8);
    font-size: 18px;
}

.buttons {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(3, 1fr);
}

.btn-glass {
    position: relative;
    padding: 14px 20px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    color: white;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    background: rgba(255, 255, 255, 0);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.103);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-glass.secondary {
    background: rgba(255, 255, 255, 0.301);
    border: 1px solid rgba(255, 255, 255, 0.219);
}

.btn-glass::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
}

.btn-glass:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
    color: #fff;
}

.btn-glass:hover::before {
    left: 100%;
}

.btn-glass:active {
    transform: translateY(-2px) scale(0.98);
}

@media (max-width: 768px) {
    .buttons { grid-template-columns: repeat(2, 1fr); }
    .card { max-width: 550px; }
}

@media (max-width: 500px) {
    .buttons { grid-template-columns: 1fr; }
    .card { max-width: 90%; padding: 30px 20px; }
    h1 { font-size: 28px; }
}