body {
    margin: 0;
    background: #000;
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    overflow: hidden;
}

.bridge-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #0f172a 0%, #000 80%);
    z-index: -1;
}

.bridge-container {
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* Header */
.bridge-header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 1s ease-out;
}

.system-title {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: 0.5rem;
    color: transparent;
    -webkit-text-stroke: 1px #06b6d4;
    text-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

.system-status {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 10px;
}

/* Grid */
.nav-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    width: 100%;
    max-width: 1200px;
}

.bridge-card {
    background: rgba(30, 41, 59, 0.3);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    height: 200px;
}

.bridge-card:hover {
    background: rgba(6, 182, 212, 0.1);
    border-color: #06b6d4;
    transform: translateY(-10px) scale(1.05);
    box-shadow: 0 20px 40px -10px rgba(6, 182, 212, 0.3);
}

.card-icon {
    font-size: 2.5rem;
    color: #94a3b8;
    margin-bottom: 1rem;
    transition: color 0.3s;
}

.bridge-card:hover .card-icon {
    color: #06b6d4;
    text-shadow: 0 0 15px #06b6d4;
}

.card-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 0.5rem;
}

.card-desc {
    font-size: 0.75rem;
    color: #64748b;
    max-width: 80%;
}

/* Specific Card Colors */
.card-mission:hover { border-color: #ef4444; box-shadow: 0 20px 40px -10px rgba(239, 68, 68, 0.3); }
.card-mission:hover .card-icon { color: #ef4444; text-shadow: 0 0 15px #ef4444; }

.card-nexus:hover { border-color: #8b5cf6; box-shadow: 0 20px 40px -10px rgba(139, 92, 246, 0.3); }
.card-nexus:hover .card-icon { color: #8b5cf6; text-shadow: 0 0 15px #8b5cf6; }

/* Footer */
.bridge-footer {
    margin-top: 3rem;
    font-size: 0.7rem;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Animations */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Background Particles (Simple CSS) */
.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    animation: float 10s infinite linear;
}

@keyframes float {
    0% { transform: translateY(100vh); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(-100px); opacity: 0; }
}