/* Global Styles */
:root {
    --primary-color: #4f46e5;
    /* Indigo 600 */
    --primary-hover: #4338ca;
    /* Indigo 700 */
    --secondary-color: #64748b;
    /* Slate 500 */
    --text-color: #1e293b;
    /* Slate 800 */
    --bg-light: #f8fafc;
    /* Slate 50 */
    --white: #ffffff;
    --border-color: #e2e8f0;
    /* Slate 200 */
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--white);
    color: var(--text-color);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 30px;
}

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

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

.btn {
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    display: inline-block;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
}

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

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

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f0fdf4 0%, #ffffff 100%);
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #111827;
}

.hero p {
    font-size: 1.25rem;
    color: var(--secondary-color);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-btns {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.section-title p {
    color: var(--secondary-color);
    max-width: 700px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: var(--white);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

/* Pricing Section */
.pricing {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color);
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    z-index: 10;
}

.price {
    font-size: 2rem;
    font-weight: 700;
    margin: 20px 0;
    color: var(--text-color);
}

.features-list {
    margin: 30px 0;
    text-align: left;
}

.features-list li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.features-list i {
    color: #10b981;
    /* Green checkmark */
    flex-shrink: 0;
}

/* Info Section (What is, How it works) */
.info-section {
    padding: 80px 0;
    background-color: var(--white);
}

.info-block {
    margin-bottom: 60px;
}

.info-block h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #1e293b;
}

.info-block p {
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.info-list {
    list-style: none;
    padding-left: 20px;
}

.info-list li {
    margin-bottom: 10px;
    color: var(--secondary-color);
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background-color: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.testimonial-card p {
    color: var(--secondary-color);
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-card h4 {
    font-weight: 600;
    color: var(--text-color);
}

/* CTA Section */
.cta {
    padding: 80px 0;
    background: #f1f5f9;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    max-width: 600px;
    margin: 0 auto 30px;
    color: var(--secondary-color);
}

/* Footer */
footer {
    background-color: #0f172a;
    /* Darker slate */
    color: #94a3b8;
    padding: 80px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col a {
    color: #94a3b8;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #1e293b;
    font-size: 0.9rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .pricing-card.popular {
        transform: none;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }
}