* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Public Sans', sans-serif;
    background: #0a0a0a;
    min-height: 100vh;
    overflow-x: hidden;
}

.space-grotesk {
    font-family: 'Space Grotesk', sans-serif;
}

.military-bg {
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(220, 38, 38, 0.08) 0%, transparent 50%),
        linear-gradient(to bottom, #0a0a0a, #111827);
}

.elite-card {
    background: rgba(20, 20, 30, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.input-field {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
    width: 100%;
}

.input-field:focus {
    border-color: rgba(59, 130, 246, 0.8);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: rgba(30, 41, 59, 0.8);
}

.btn-primary {
    background: linear-gradient(135deg, #1d4ed8 0%, #dc2626 100%);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::after {
    left: 100%;
}

.btn-secondary {
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: rgba(59, 130, 246, 0.8);
    background: rgba(30, 41, 59, 0.9);
}

.scan-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.8), transparent);
    animation: scan 3s linear infinite;
    pointer-events: none;
    z-index: 100;
}

@keyframes scan {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(100vh);
    }
}

.jet-particle {
    position: absolute;
    background: rgba(59, 130, 246, 0.6);
    border-radius: 50%;
    pointer-events: none;
}

.hologram-text {
    text-shadow: 
        0 0 10px rgba(59, 130, 246, 0.8),
        0 0 20px rgba(59, 130, 246, 0.6),
        0 0 30px rgba(59, 130, 246, 0.4);
    animation: hologramPulse 2s ease-in-out infinite;
}

@keyframes hologramPulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
}

.security-badge {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.2), rgba(21, 128, 61, 0.2));
    border: 1px solid rgba(34, 197, 94, 0.4);
}

.progress-bar {
    height: 4px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #10b981);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.strength-bar {
    transition: all 0.3s ease;
}

.strength-weak { background: linear-gradient(90deg, #ef4444, #f59e0b); }
.strength-fair { background: linear-gradient(90deg, #f59e0b, #eab308); }
.strength-good { background: linear-gradient(90deg, #eab308, #10b981); }
.strength-strong { background: linear-gradient(90deg, #10b981, #3b82f6); }

.rank-badge {
    background: linear-gradient(135deg, #f59e0b, #dc2626);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.validation-icon {
    transition: all 0.3s ease;
}

.validation-valid {
    color: #10b981;
    transform: scale(1.1);
}

.validation-invalid {
    color: #ef4444;
}

.step-indicator {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.step-active {
    background: linear-gradient(135deg, #1d4ed8, #dc2626);
    color: white;
    transform: scale(1.1);
}

.step-completed {
    background: linear-gradient(135deg, #10b981, #3b82f6);
    color: white;
}

.step-inactive {
    background: rgba(59, 130, 246, 0.2);
    color: rgba(255, 255, 255, 0.5);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(2deg); }
}

/* Responsive Grid System */
@media (max-width: 640px) {
    .responsive-grid {
        grid-template-columns: 1fr !important;
    }
    
    .responsive-stack {
        flex-direction: column !important;
    }
    
    .responsive-text {
        font-size: 1.5rem !important;
        text-align: center;
    }
    
    .responsive-padding {
        padding: 1rem !important;
    }
    
    .responsive-margin {
        margin: 0.5rem !important;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .responsive-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (min-width: 1025px) {
    .responsive-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}