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

:root {
    --bg: #FAFAFA;
    --surface: #FFFFFF;
    --text: #000000;
    --text-secondary: #666666;
    --accent: #0070F3;
    --border: #E5E5E5;
}

[data-theme="dark"] {
    --bg: #0A0A0A;
    --surface: #1A1A1A;
    --text: #FFFFFF;
    --text-secondary: #999999;
    --accent: #0070F3;
    --border: #2A2A2A;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

/* Header */
.header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}

.header .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 20px; font-weight: 600; }
.nav { display: flex; gap: 30px; align-items: center; }
.nav a { text-decoration: none; color: var(--text-secondary); transition: color 0.2s; }
.nav a:hover { color: var(--text); }

/* Buttons */
.btn-primary, .btn-secondary, .btn-large {
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-block;
}

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

.btn-primary:hover { opacity: 0.9; }

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

.btn-large {
    background: var(--text);
    color: var(--bg);
    padding: 16px 32px;
    font-size: 18px;
}

/* Hero */
.hero {
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 64px;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
}

.subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.small-text {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 20px;
}

/* Tools Section */
.tools-section, .pricing-section {
    padding: 80px 0;
}

.tools-section h2, .pricing-section h2 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 60px;
}

.tools-grid, .pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.tool-card, .pricing-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 40px;
    transition: transform 0.2s;
}

.tool-card:hover { transform: translateY(-4px); }
.tool-card.disabled { opacity: 0.5; pointer-events: none; }

.tool-icon { font-size: 48px; margin-bottom: 20px; }
.tool-card h3 { font-size: 24px; margin-bottom: 10px; }
.tool-card p { color: var(--text-secondary); margin-bottom: 20px; }
.link { color: var(--accent); text-decoration: none; }

/* Pricing */
.pricing-card {
    position: relative;
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--accent);
    transform: scale(1.05);
}

.badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--accent);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
}

.price {
    font-size: 48px;
    font-weight: 600;
    margin: 20px 0;
}

.price span { font-size: 18px; color: var(--text-secondary); }

.pricing-card ul {
    list-style: none;
    margin: 30px 0;
    text-align: left;
}

.pricing-card li {
    padding: 10px 0;
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 40px 0;
    text-align: center;
    color: var(--text-secondary);
}