/* Base Styles for a Professional Dark Theme */
:root {
    --color-dark-bg: #1A1A1D; /* Deep Charcoal Background */
    --color-card-bg: #2C2C30; /* Slightly Lighter Card Background */
    --color-highlight: #3F4462; /* Subtle Highlight/Accent Background */
    --color-accent: #6C63FF; /* VigiNote Primary Accent Color (Deep Purple/Blue) */
    --color-text-light: #F0F0F0;
    --color-text-dim: #A0A0A0;
    --color-success: #17B978; /* Green for Checkmarks */
    --color-fail: #E74C3C; /* Red for Disabled features */
}

/* Base resets and defaults */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--color-dark-bg);
    color: var(--color-text-light);
    margin: 0;
    padding: 20px;
    line-height: 1.6;
}

/* Header Text Styling */
.header-text {
    text-align: center;
    margin-bottom: 50px;
}

.header-text h2 {
    font-size: 2.5em;
    color: var(--color-accent);
    margin-bottom: 10px;
}

.header-text p {
    font-size: 1.1em;
    color: var(--color-text-dim);
}

/* Pricing Card Container - Uses Flexbox for Alignment */
.pricing-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap; /* Allows stacking on small screens */
}

/* Individual Card Styling */
.pricing-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    padding: 30px;
    width: 100%; /* Default for mobile */
    max-width: 350px; /* Maximum width for columns */
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
}

/* Highlighted (Tier 2) Card */
.pricing-card.highlighted {
    transform: scale(1.05); /* Make it stand out */
    border: 3px solid var(--color-accent);
    background-color: var(--color-highlight);
}

.pricing-card.highlighted:hover {
    transform: translateY(-8px) scale(1.05);
}

/* "Recommended" Tag */
.tag {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: var(--color-text-light);
    padding: 5px 15px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 0.8em;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Card Header Content */
.card-header h3 {
    font-size: 1.8em;
    margin-bottom: 5px;
    color: var(--color-text-light);
}

.card-header .tier-level {
    color: var(--color-text-dim);
    font-weight: 300;
    margin-bottom: 20px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
    padding-bottom: 15px;
}

/* Features List Styling */
.features-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    flex-grow: 1; /* Ensures buttons align at the bottom */
}

.features-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-size: 1em;
}

.features-list i {
    margin-right: 10px;
    font-size: 1.1em;
}

/* Feature Status Colors */
.features-list li .fa-check-circle {
    color: var(--color-success);
}

.features-list li.disabled {
    color: var(--color-text-dim);
    opacity: 0.6;
    text-decoration: line-through;
}

.features-list li.disabled .fa-times-circle {
    color: var(--color-fail);
}

/* Call-to-Action Button Styling */
.cta-button {
    display: block;
    text-align: center;
    padding: 12px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    letter-spacing: 0.5px;
    transition: background-color 0.3s ease;
    margin-top: auto; /* Pushes button to the bottom */
}

.cta-button.primary {
    background-color: var(--color-text-dim);
    color: var(--color-dark-bg);
}

.cta-button.primary:hover {
    background-color: #C0C0C0;
}

.cta-button.secondary {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    border: 2px solid var(--color-accent);
}

.cta-button.secondary:hover {
    background-color: #5A54C9;
}

/* Media Queries for Responsiveness */
@media (max-width: 1024px) {
    .pricing-container {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .pricing-container {
        flex-direction: column; /* Stack cards vertically on tablets/mobiles */
        align-items: center;
    }

    .pricing-card {
        max-width: 90%;
    }

    .pricing-card.highlighted {
        transform: scale(1.0); /* Remove scale up on mobile */
    }
    
    .pricing-card.highlighted:hover {
        transform: translateY(-5px) scale(1.0);
    }
}