/*───────────────────────────────────────────────────────────────────────────────
  4. 3D EXHIBITION SECTION - ENHANCED TO MATCH LANDING PAGE
───────────────────────────────────────────────────────────────────────────────*/
#environment-3d-pane {
    background: linear-gradient(135deg, 
        #020B06 0%,
        var(--bottle-green-dark) 15%,
        var(--bottle-green-primary) 35%,
        var(--bottle-green-medium) 60%,
        var(--bottle-green-light) 85%,
        var(--bottle-green-accent) 100%);
    border-bottom: none;
    padding: 6rem 0 4rem 0;
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

/* Add floating decorative elements */
#environment-3d-pane::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 70%, rgba(255,255,255,0.03) 0%, transparent 50%),
                radial-gradient(circle at 70% 30%, rgba(255,255,255,0.01) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
    pointer-events: none;
}

#environment-3d-pane::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.4));
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-10px, -10px) rotate(1deg); }
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-10px, -10px) rotate(1deg); }
}

/* Enhanced section title */
#environment-3d-pane h1 {
    font-size: 3.5rem;
    font-weight: 500;
    color: white;
    text-shadow: 3px 3px 12px rgba(0,0,0,0.6);
    margin-bottom: 3rem;
    position: relative;
    font-family: 'Times New Roman', serif;
    letter-spacing: 1.5px;
}

#environment-3d-pane h1::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 4px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    border-radius: 2px;
}

.environment-container {
    width: 70%;
    max-width: 1000px;
    margin: 0 auto 2rem;
    position: relative;
    overflow: hidden;
    border-radius: 25px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4),
                0 10px 30px rgba(9, 54, 36, 0.3);
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.1), 
        rgba(171, 210, 194, 0.05));
    backdrop-filter: blur(10px);
}

.environment-container:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: rgba(255, 255, 255, 0.6);
    box-shadow: 0 30px 80px rgba(0,0,0,0.5),
                0 15px 40px rgba(9, 54, 36, 0.4),
                0 0 50px rgba(135, 187, 167, 0.3);
}

.environment-container img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
    border-radius: 22px;
}

.environment-container:hover img {
    transform: scale(1.05);
}

.environment-container .overlay {
    position: absolute; 
    inset: 0;
    background: linear-gradient(135deg, 
        rgba(9, 54, 36, 0.7), 
        rgba(53, 120, 93, 0.5));
    backdrop-filter: blur(5px);
    display: flex; 
    align-items: center; 
    justify-content: center;
    opacity: 0; 
    transition: opacity 0.4s ease;
    border-radius: 22px;
}

.environment-container:hover .overlay {
    opacity: 1;
}

.environment-container .overlay .btn {
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.95), 
        rgba(255, 255, 255, 0.85));
    color: var(--bottle-green-primary);
    border: 2px solid rgba(9, 54, 36, 0.3);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 700;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    text-shadow: none;

}

.environment-container .overlay .btn:hover {
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 1), 
        rgba(171, 210, 194, 0.1));
    color: var(--bottle-green-dark);
    border-color: var(--bottle-green-accent);
    transform: scale(1.08);
    box-shadow: 0 12px 35px rgba(0,0,0,0.3);
}

/* Unity Container Enhancements */
#unityContainer {
    display: none;
    margin: 3rem auto 0;
    max-width: 1000px;
    position: relative;
    background: linear-gradient(145deg, 
        rgba(255, 255, 255, 0.1), 
        rgba(171, 210, 194, 0.05));
    border-radius: 25px;
    padding: 20px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    backdrop-filter: blur(10px);
}

#unityContainer .btn {
    background: linear-gradient(135deg, 
        var(--bottle-green-accent), 
        var(--sage-green));
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
    box-shadow: 0 4px 15px rgba(9, 54, 36, 0.3);
}

#unityContainer .btn:hover {
    background: linear-gradient(135deg, 
        var(--sage-green), 
        var(--mint-green));
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(9, 54, 36, 0.4);
}

#unityContainer iframe {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

/* Enhanced responsive design */
@media (max-width: 768px) {
    #environment-3d-pane {
        padding: 4rem 0 3rem 0;
    }
    
    #environment-3d-pane h1 {
        font-size: 2.5rem;
        margin-bottom: 2rem;
    }
    
    .environment-container {
        width: 90%;
    }
    
    .environment-container:hover {
        transform: translateY(-10px) scale(1.01);
    }
    
    .environment-container .overlay .btn {
        font-size: 1rem;
        padding: 0.875rem 1.75rem;
        letter-spacing: 1.5px;
    }
}

@media (max-width: 576px) {
    #environment-3d-pane h1 {
        font-size: 2rem;
        letter-spacing: 1px;
    }
    
    .environment-container {
        width: 95%;
        margin: 0 auto 1.5rem;
    }
    
    .environment-container .overlay .btn {
        font-size: 0.9rem;
        padding: 0.75rem 1.5rem;
        letter-spacing: 1px;
    }
}

#unity-container, #unity-canvas {
  width: 100vw;
  height: 100vh;
  margin: 0;
  border: none;
}