* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f9fafb;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #1e40af 0%, #7c3aed 100%);
    color: white;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
    font-size: 28px;
    margin-bottom: 5px;
}

.tagline {
    font-size: 14px;
    opacity: 0.9;
}

.btn-back {
    float: right;
    color: white;
    text-decoration: none;
    padding: 8px 12px;
    border: 1px solid white;
    border-radius: 4px;
    font-size: 14px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #1e40af 0%, #7c3aed 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(30, 64, 175, 0.3);
}

.btn-secondary {
    background: #e5e7eb;
    color: #1f2937;
}

.btn-secondary:hover {
    background: #d1d5db;
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-unlock {
    background: #f59e0b;
    color: white;
    width: 100%;
    padding: 12px;
    margin-top: 10px;
}

.btn-unlock:hover {
    background: #d97706;
}

/* Hero */
.hero {
    padding: 60px 0;
    text-align: center;
}

.hero h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.lead {
    font-size: 18px;
    color: #666;
    margin-bottom: 20px;
}

.pain-points {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.point {
    font-size: 14px;
    color: #666;
}

.solution {
    font-size: 16px;
    color: #16a34a;
    margin: 20px 0;
    font-weight: 600;
}

/* Features */
.features {
    padding: 60px 0;
    background: white;
}

.features h3, .pricing h3, .templates-preview h3 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.feature {
    text-align: center;
}

.icon {
    font-size: 48px;
    display: block;
    margin-bottom: 16px;
}

.feature h4 {
    margin-bottom: 8px;
    font-size: 18px;
}

.feature p {
    color: #666;
    font-size: 14px;
}

/* Templates */
.templates-preview {
    padding: 60px 0;
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.template-card {
    background: white;
    padding: 20px;
    border-radius: 8px;
    border: 2px solid #e5e7eb;
    text-align: center;
}

.template-card.pro {
    border-color: #f59e0b;
    background: #fffbeb;
}

.template-card h4 {
    margin-bottom: 8px;
}

.template-desc {
    font-size: 13px;
    color: #666;
}

/* Pricing */
.pricing {
    padding: 60px 0;
    background: white;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
}

.pricing-card.featured {
    border-color: #7c3aed;
    background: #f3e8ff;
    transform: scale(1.05);
}

.pricing-card h4 {
    font-size: 20px;
    margin-bottom: 12px;
}

.price {
    font-size: 36px;
    font-weight: bold;
    color: #1e40af;
    margin-bottom: 12px;
}

.subtext {
    font-size: 12px;
    color: #666;
    display: block;
    margin-top: 4px;
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    margin: 20px 0;
}

.pricing-card li {
    padding: 8px 0;
    font-size: 14px;
}

/* CTA */
.cta {
    padding: 60px 0;
    text-align: center;
}

.cta h3 {
    font-size: 36px;
    margin-bottom: 24px;
}

.small-text {
    font-size: 13px;
    color: #666;
    margin-top: 16px;
}

/* Footer */
.footer {
    background: #1f2937;
    color: #9ca3af;
    padding: 30px 0;
    text-align: center;
    font-size: 14px;
}

.footer a {
    color: white;
    text-decoration: none;
}

/* App Mode */
.app-mode {
    background: #f3f4f6;
}

.app-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 20px;
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 20px;
    min-height: calc(100vh - 100px);
}

.editor-panel, .preview-panel {
    background: white;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.editor-panel h3, .preview-panel h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    font-size: 14px;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 14px;
}

.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: #7c3aed;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.pro-section {
    background: #fffbeb;
    padding: 16px;
    border-radius: 6px;
    margin: 20px 0;
    border-left: 4px solid #f59e0b;
}

.pro-activate {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
}

.pro-activate p {
    font-size: 13px;
    color: #666;
    margin-bottom: 10px;
}

.signature-preview {
    background: #f9fafb;
    padding: 24px;
    border: 2px dashed #d1d5db;
    border-radius: 8px;
    min-height: 300px;
    font-size: 14px;
    font-family: Arial, sans-serif;
}

.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.action-buttons .btn {
    flex: 1;
    text-align: center;
}

.watermark {
    text-align: center;
    font-size: 12px;
    color: #999;
    margin-top: 10px;
    padding: 8px;
    background: #f3f4f6;
    border-radius: 4px;
}

/* Responsive */
@media (max-width: 900px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    
    .hero h2 {
        font-size: 32px;
    }

    .pricing-card.featured {
        transform: scale(1);
    }
}