/* NationalIT Certificate Portal - Custom Styles */

:root {
    --nationalit-primary: #1e3a8a;
    --nationalit-secondary: #3b82f6;
    --nationalit-accent: #10b981;
    --nationalit-warning: #f59e0b;
    --nationalit-danger: #ef4444;
    --nationalit-dark: #1f2937;
    --nationalit-light: #f8fafc;
}

/* Device Icons */
.device-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

/* Device Cards */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin: 30px 0;
}

.device-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.device-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--nationalit-primary), var(--nationalit-secondary));
}

.device-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.15);
    border-color: var(--nationalit-secondary);
}

.device-card h3 {
    color: var(--nationalit-primary);
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.device-card .device-description {
    color: #6b7280;
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Logo Styling */
.logo-container {
    text-align: center;
    margin-bottom: 20px;
}

.nationalit-logo {
    max-height: 80px;
    max-width: 200px;
    height: auto;
    width: auto;
}

/* Enhanced buttons */
.btn-device {
    background: linear-gradient(135deg, var(--nationalit-primary), var(--nationalit-secondary));
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-device:hover {
    background: linear-gradient(135deg, var(--nationalit-secondary), var(--nationalit-primary));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(30, 58, 138, 0.3);
}

/* Instructions styling */
.device-instructions {
    background: #f1f5f9;
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    font-size: 0.85rem;
    color: #475569;
    text-align: left;
}

.device-instructions ol {
    margin: 10px 0 0 20px;
}

.device-instructions li {
    margin-bottom: 5px;
}

/* Hero section */
.hero-section {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.1), rgba(59, 130, 246, 0.1));
    border-radius: 15px;
    margin-bottom: 40px;
}

.hero-section h1 {
    font-size: 2.5rem;
    color: var(--nationalit-primary);
    margin-bottom: 15px;
    font-weight: 700;
}

.hero-section .subtitle {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 10px;
}

.hero-section .description {
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .device-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section .subtitle {
        font-size: 1.1rem;
    }
    
    .device-card {
        padding: 25px 20px;
    }
    
    .device-icon {
        font-size: 2.5rem;
    }
}

/* Certificate status indicators */
.cert-status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cert-status.available {
    background: #dcfce7;
    color: #166534;
}

.cert-status.unavailable {
    background: #fee2e2;
    color: #991b1b;
}

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(30, 58, 138, 0.3);
    border-radius: 50%;
    border-top-color: var(--nationalit-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}