@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --secondary: #6366f1;
    --secondary-dark: #4f46e5;
    --dark: #1e293b;
    --darker: #0f172a;
}

body {
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-block;
}
.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Simulator specific styles */
#droneCanvas {
    background-color: #1e293b;
    border-radius: 0.5rem;
}

input[type="range"] {
    -webkit-appearance: none;
    height: 8px;
    background: #334155;
    border-radius: 4px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: #10b981;
    border-radius: 50%;
    cursor: pointer;
}

#osd {
    color: #10b981;
    font-family: monospace;
}
.btn-secondary {
    background-color: transparent;
    color: white;
    border: 2px solid var(--primary);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.2s;
    display: inline-block;
}

.btn-secondary:hover {
    background-color: rgba(16, 185, 129, 0.1);
    transform: translateY(-2px);
}

.feature-card {
    background-color: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.icon-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.hero-section {
    background-image: radial-gradient(circle at 25% 50%, rgba(16, 185, 129, 0.15), transparent 50%);
}