/* --- Reset & Base Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: #0b081e;
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* --- Sky Background (Darkened) --- */
.sky-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: url('assets/sky.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
    pointer-events: none;
    filter: brightness(0.5) contrast(1.05) saturate(0.9); /* Darkened and optimized for high-contrast presentation */
    transform: scale(1.06);
    will-change: transform;
}

/* --- Centered Interactive Scene --- */
.scene-container {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 3.5rem; /* Gap between logo and buttons row */
}

/* --- Logo Wrapper with Perspective --- */
.logo-wrapper {
    perspective: 1000px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: clamp(200px, 35vw, 360px);
    height: auto;
}

.parallax-logo {
    width: 100%;
    height: auto;
    max-height: 70vh;
    object-fit: contain;
    filter: drop-shadow(0 20px 45px rgba(89, 33, 222, 0.4));
    will-change: transform;
}

/* --- Rounded Buttons Group (Left-to-Right Row) --- */
.button-group {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    padding: 0 1rem;
}

.btn-action {
    text-decoration: none;
    color: #ffffff;
    font-size: 1rem;
    font-weight: 600;
    padding: 0.85rem 2.25rem;
    border-radius: 100px; /* Fully rounded/pill-shaped */
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    letter-spacing: 0.2px;
}

.btn-action:hover {
    background: linear-gradient(135deg, #5921DE 0%, #897EED 100%);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 28px rgba(89, 33, 222, 0.45);
}

/* --- Mobile Responsiveness --- */
@media (max-width: 600px) {
    .scene-container {
        gap: 2.5rem;
    }

    .button-group {
        flex-direction: column;
        width: 100%;
        max-width: 280px;
        gap: 1rem;
    }

    .btn-action {
        width: 100%;
        text-align: center;
        padding: 0.8rem 1.5rem;
    }
}

/* --- Footer Copyright --- */
.site-footer {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
    text-align: center;
    z-index: 3;
    pointer-events: none;
    letter-spacing: 0.5px;
}