/* Elevator Door Overlay */
.elevator-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 99999;
    display: none; /* Hidden by default, shown on transition start */
    overflow: hidden;
}

/* Symmetrical Doors */
.elevator-door {
    position: absolute;
    top: 0;
    width: 50vw;
    height: 100%;
    background: linear-gradient(135deg, #1e1e38 0%, #0f0f1e 100%);
    box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.8);
    transition: transform 1.2s cubic-bezier(0.77, 0, 0.175, 1);
    z-index: 1;
}

.elevator-door.left {
    left: 0;
    border-right: 2px solid #f5c518; /* Elegant primary color separator line */
    transform: translateX(-100%); /* Start open/offscreen */
}

.elevator-door.right {
    right: 0;
    border-left: 2px solid #f5c518;
    transform: translateX(100%);
}

/* State when doors are closed */
.elevator-container.doors-closed .elevator-door.left {
    transform: translateX(0);
}
.elevator-container.doors-closed .elevator-door.right {
    transform: translateX(0);
}

/* Welcome Center Stage (Behind the doors) */
.welcome-stage {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, #1a1a2e 0%, #0a0a14 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 0;
}

.welcome-content {
    text-align: center;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s cubic-bezier(0.34, 1.56, 0.64, 1), transform 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
    transition-delay: 0.6s; /* Delay until doors start spreading wide */
}

.welcome-stage.reveal .welcome-content {
    opacity: 1;
    transform: scale(1);
}

.welcome-logo-container {
    width: 90px;
    height: 90px;
    background: linear-gradient(135deg, #f5c518, #f39c12);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: 0 10px 30px rgba(245, 197, 24, 0.4);
    animation: pulse 2.5s infinite ease-in-out;
}

.welcome-logo-icon {
    font-size: 40px;
    color: #1a1a2e;
}

.welcome-title {
    font-family: 'Inter', sans-serif;
    color: #ffffff;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.welcome-subtitle {
    color: #a5b4fc;
    font-size: 1.25rem;
    font-weight: 500;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Fallback for prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .elevator-door {
        transition: none !important;
    }
    .welcome-content {
        transition: opacity 0.5s ease !important;
        transition-delay: 0s !important;
    }
}