/* Hub-and-Spoke Topology CSS */
.architecture-container {
    position: relative;
    width: 100%;
    height: 480px; /* Fine-tuned for better vertical balance */
    background: transparent;
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: center;
}

.arch-stage {
    position: relative;
    width: 100%;
    height: 100%;
}

/* Base Box Style */
.arch-box {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 250px; /* Reduced from 320px to prevent overlap with buttons */
    height: 250px; /* Reduced from 320px */
    margin-top: -125px;
    margin-left: -125px;
    border-radius: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 24px;
    box-shadow: var(--shadow-xl);
    transition: all 0.7s cubic-bezier(0.6, -0.28, 0.735, 0.045);
    opacity: 0;
    pointer-events: none;
    z-index: 5;
    background: var(--bg-accent);
    border: 2px solid var(--primary-light);
}

.arch-box h4 {
    font-size: 1.2rem; /* Scaled down with box */
    font-weight: 800;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.arch-box i {
    font-size: 2.8rem; /* Scaled down with box */
    margin-bottom: 15px;
    color: var(--primary);
}

.arch-box p {
    font-size: 0.8rem; /* Scaled down with box */
    line-height: 1.4;
    margin: 0;
}

/* Mode-Specific Transitions for Boxes */

/* 1. Hub Logic */
.mode-hub .orchestrator { transform: scale(1.1); opacity: 1; pointer-events: auto; z-index: 10; background: var(--primary); color: white; border-color: var(--accent); }
.mode-hub .orchestrator i { color: var(--accent); }

.mode-hub .architect { transform: translateY(-200%); }
.mode-hub .advisory { transform: translateY(200%); }
.mode-hub .extractor { transform: translateX(-200%); }
.mode-hub .vertex { transform: translateX(200%); }

/* 2. Architect (Up) Logic */
.mode-architect .orchestrator { transform: translateY(200%); opacity: 0; }
.mode-architect .architect { transform: translateY(0) scale(1.1); opacity: 1; pointer-events: auto; z-index: 10; }

/* 3. Advisory (Down) Logic */
.mode-advisory .orchestrator { transform: translateY(-200%); opacity: 0; }
.mode-advisory .advisory { transform: translateY(0) scale(1.1); opacity: 1; pointer-events: auto; z-index: 10; }

/* 4. Extractor (Left) Logic */
.mode-extractor .orchestrator { transform: translateX(200%); opacity: 0; }
.mode-extractor .extractor { transform: translateX(0) scale(1.1); opacity: 1; pointer-events: auto; z-index: 10; }

/* 5. Vertex (Right) Logic */
.mode-vertex .orchestrator { transform: translateX(-200%); opacity: 0; }
.mode-vertex .vertex { transform: translateX(0) scale(1.1); opacity: 1; pointer-events: auto; z-index: 10; }

/* Navigation Buttons */
.arch-nav {
    position: absolute;
    width: 50px;
    height: 50px;
    background: var(--accent);
    color: var(--primary);
    border: none;
    border-radius: 50%;
    display: none; /* Controlled by display: flex via .visible */
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 30;
    box-shadow: 0 0 15px rgba(190, 221, 226, 0.4), var(--shadow-md);
    transition: all 0.3s ease;
    font-size: 1.2rem;
    animation: archNavGlow 2s infinite ease-in-out;
}

@keyframes archNavGlow {
    0%, 100% { box-shadow: 0 0 15px rgba(190, 221, 226, 0.4), var(--shadow-md); }
    50% { box-shadow: 0 0 25px rgba(190, 221, 226, 0.8), var(--shadow-md); }
}

.arch-nav.visible { display: flex; }
.arch-nav:hover { 
    background: var(--primary); 
    color: white; 
    box-shadow: 0 0 30px rgba(190, 221, 226, 0.9), var(--shadow-lg);
    animation: none;
}
.arch-nav:hover i { transform: scale(1.4); }
.arch-nav i { transition: transform 0.3s ease; }

.nav-up { top: calc(50% - 180px); left: 50%; transform: translateX(-50%) rotate(-90deg); }
.nav-down { bottom: calc(50% - 180px); left: 50%; transform: translateX(-50%) rotate(90deg); }
.nav-left { left: calc(50% - 180px); top: 50%; transform: translateY(-50%) rotate(180deg); }
.nav-right { right: calc(50% - 180px); top: 50%; transform: translateY(-50%) rotate(0deg); }

.arch-label {
    display: none;
}