body, html {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    background: black;
    font-family: 'Poppins', sans-serif;
    color: white;
}

.scroll-container {
    scroll-snap-type: y mandatory;
    overflow-y: scroll;
    height: 100vh;
}

.scene {
    scroll-snap-align: start;
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
}

.bg-video {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(45%);
}

.text-block {
    position: absolute;
    bottom: 20%;
    width: 100%;
    text-align: center;
}

.fade-text {
    font-size: 2.5rem;
    font-weight: 700;
    opacity: 0;
    animation: fadeIn 3s forwards;
}

.fade-sub {
    opacity: 0;
    margin-top: 10px;
    font-size: 1.2rem;
    animation: fadeIn 5s forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.final-scene {
    background: linear-gradient(to top, black, rgba(0,0,0,0.4));
}

.guru-message {
    position: absolute;
    top: 35%;
    width: 100%;
    text-align: center;
}

.guru-title {
    font-size: 2.8rem;
    margin-bottom: 40px;
    animation: fadeIn 2.0s forwards;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 60%;
    margin: auto;
}

.btn-glow {
    padding: 15px 20px;
    background: rgba(255,215,0,0.2);
    border: 2px solid gold;
    border-radius: 12px;
    color: gold;
    text-decoration: none;
    font-size: 1.3rem;
    font-weight: bold;
    transition: 0.3s;
}

.btn-glow:hover {
    background: gold;
    color: black;
    box-shadow: 0 0 20px gold;
}

/* MOBILE RESPONSIVE FIXES */
@media (max-width: 768px) {

    .fade-text {
        font-size: 1.6rem;
    }

    .fade-sub {
        font-size: 1rem;
    }

    .guru-title {
        font-size: 1.8rem;
    }

    .options {
        width: 85%;
        gap: 15px;
    }

    .btn-glow {
        font-size: 1.1rem;
        padding: 12px 16px;
    }

    .text-block {
        bottom: 15%; /* lift it slightly */
        padding: 0 10px;
    }

    .scene {
        height: 100svh; /* stable mobile safe-height */
    }
}