/* Base Reset */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Variables */
:root {
    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-text: #1a1a1a;
    --color-text-light: #666;
    --color-bg: #fafafa;
    --color-white: #fff;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --container-max: 960px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

/* Base Styles */
html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.header {
    padding: var(--spacing-md) 0;
    background: var(--color-white);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    color: var(--color-text);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-white);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Features Section */
.features {
    padding: var(--spacing-xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature {
    text-align: center;
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    color: var(--color-primary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.feature p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* CTA Section */
.cta {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background: var(--color-white);
}

.cta h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.cta p {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

/* Footer */
.footer {
    margin-top: auto;
    padding: var(--spacing-md) 0;
    text-align: center;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer p {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .cta h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 4rem;
    }

    .hero h1 {
        font-size: 1.875rem;
    }
}