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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

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

header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #2563eb;
}

.logo span {
    color: #64748b;
}

nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: #2563eb;
}

.btn-primary {
    background: #2563eb;
    color: white;
    padding: 10px 24px;
    border-radius: 8px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: #2563eb;
    padding: 10px 24px;
    border-radius: 8px;
    border: 2px solid #2563eb;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-outline:hover {
    background: #2563eb;
    color: white;
}

.btn-large {
    background: #2563eb;
    color: white;
    padding: 16px 48px;
    border-radius: 12px;
    border: none;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-large:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37,99,235,0.3);
}

.hero {
    text-align: center;
    padding: 100px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.subtitle {
    font-size: 20px;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-cta {
    margin-top: 40px;
}

.cta-note {
    margin-top: 12px;
    font-size: 14px;
    opacity: 0.8;
}

.upload-section {
    padding: 80px 20px;
}

.upload-card {
    background: white;
    border-radius: 16px;
    padding: 60px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    max-width: 800px;
    margin: 0 auto;
}

.upload-card h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
}

.upload-area {
    border: 3px dashed #cbd5e1;
    border-radius: 12px;
    padding: 60px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.upload-area:hover {
    border-color: #2563eb;
    background: #f8fafc;
}

.upload-area svg {
    color: #94a3b8;
    margin-bottom: 20px;
}

.upload-area p {
    color: #64748b;
    font-size: 18px;
}

.upload-hint {
    font-size: 14px !important;
    color: #94a3b8 !important;
    margin-top: 8px;
}

.result {
    margin-top: 40px;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.result-header h3 {
    font-size: 24px;
    color: #10b981;
}

.score {
    font-size: 36px;
    font-weight: 800;
    color: #2563eb;
}

.result-sections {
    margin-bottom: 30px;
}

.result-item {
    display: grid;
    grid-template-columns: 150px 1fr 80px;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.result-item .label {
    font-weight: 600;
    color: #475569;
}

.bar {
    height: 12px;
    background: #e2e8f0;
    border-radius: 6px;
    overflow: hidden;
}

.fill {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    border-radius: 6px;
    transition: width 1s ease;
}

.result-item .value {
    font-weight: 700;
    color: #2563eb;
    text-align: right;
}

.features {
    padding: 100px 20px;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.feature-card {
    text-align: center;
}

.icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.feature-card p {
    color: #64748b;
    line-height: 1.7;
}

.pricing {
    padding: 100px 20px;
}

.pricing h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 40px;
    position: relative;
    transition: all 0.2s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.1);
}

.pricing-card.featured {
    border-color: #2563eb;
    box-shadow: 0 8px 24px rgba(37,99,235,0.15);
}

.badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #2563eb;
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.price {
    font-size: 48px;
    font-weight: 800;
    color: #2563eb;
    margin-bottom: 30px;
}

.price span {
    font-size: 18px;
    color: #64748b;
    font-weight: 400;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 30px;
}

.pricing-card li {
    padding: 12px 0;
    color: #475569;
    border-bottom: 1px solid #f1f5f9;
}

.pricing-card li:before {
    content: '✓';
    color: #10b981;
    font-weight: 700;
    margin-right: 12px;
}

.pricing-card button {
    width: 100%;
}

footer {
    background: #1e293b;
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.footer-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: white;
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 32px;
    }
    
    .upload-card {
        padding: 30px;
    }
    
    .result-item {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}