:root {
    /* Color Palette - Premium Tech Feel */
    --primary-color: #2563eb; /* Royal Blue */
    --primary-web: #3b82f6; /* Lighter Blue for web elements */
    --secondary-color: #1e293b; /* Slate 800 */
    --accent-color: #10b981; /* Emerald Green for success/trust */
    --text-color: #334155; /* Slate 700 */
    --bg-color: #f8fafc; /* Slate 50 */
    --card-bg: #ffffff;
    --border-color: #e2e8f0; /* Slate 200 */
    --gold: #f59e0b; /* Amber 500 for stars/ratings */

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --h1-size: 2.5rem;
    --h2-size: 2rem;
    --h3-size: 1.5rem;
    --body-size: 1rem;

    /* Spacing */
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --content-width: 1200px;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--secondary-color);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--h1-size); }
h2 { font-size: var(--h2-size); }
h3 { font-size: var(--h3-size); }

/* Layout Utilities */
.container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: 4rem 0;
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .grid-cols-3 {
        grid-template-columns: 1fr;
    }
}

/* Components */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.375rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

/* Header & Nav */
.header {
    background-color: var(--card-bg);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-links a {
    color: var(--secondary-color);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    border-radius: 0.5rem;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.comparison-table th, 
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    background-color: #f1f5f9;
    font-weight: 600;
    color: var(--secondary-color);
}

.rating-stars {
    color: var(--gold);
}

/* Trust Badges */
.trust-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 2rem 0;
    flex-wrap: wrap;
    opacity: 0.7;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    color: #94a3b8;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer a {
    color: #94a3b8;
}

.footer a:hover {
    color: white;
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--card-bg);
        padding: 1rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: block;
    }
    
    .comparison-table {
        display: block;
        overflow-x: auto;
    }
}