:root {
    --primary-color: #FF6600;
    --secondary-color: #1F2937; /* Graphite */
    --bg-light: #F9FAFB;
}

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

.text-primary {
    color: var(--primary-color);
}

.bg-primary {
    background-color: var(--primary-color);
}

.btn-primary {
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    filter: brightness(110%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 102, 0, 0.3);
}

/* Custom Range Slider Styling */
input[type=range] {
    -webkit-appearance: none;
    width: 100%;
    background: transparent;
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 24px;
    width: 24px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    margin-top: -10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

input[type=range]::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: #E5E7EB;
    border-radius: 2px;
}

.hero-gradient {
    background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
}

.feature-card {
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.sticky-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 50;
    display: none; /* Show on scroll via JS if needed, or keeping it inline for mobile */
}

@media (max-width: 768px) {
    .sticky-btn-mobile {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        padding: 1rem;
        background: white;
        box-shadow: 0 -4px 10px rgba(0,0,0,0.05);
        z-index: 50;
    }
}