/* W2-to-1099 Transition Kit - Premium Styling */
/* 코다리 자동화 개발부장 제작 */

:root {
    /* Premium Color Palette */
    --primary: #2563eb;
    --primary-dark: #1e40af;
    --secondary: #10b981;
    --accent: #f59e0b;
    --danger: #ef4444;

    /* Neutrals */
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --border: #e2e8f0;

    /* Spacing */
    --container-width: 1200px;
    --section-padding: 80px 20px;
}

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

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

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 100px 20px 80px;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 10px;
    opacity: 0.95;
}

.hero .highlight {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 40px;
    background: rgba(255, 255, 255, 0.2);
    padding: 15px 30px;
    border-radius: 50px;
    display: inline-block;
}

.cta-container {
    margin: 40px 0;
}

.cta-button {
    background: var(--accent);
    color: white;
    font-size: 1.25rem;
    font-weight: 700;
    padding: 20px 50px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(245, 158, 11, 0.4);
    background: #ea580c;
}

.trust-badge {
    margin-top: 15px;
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    display: block;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Problem Section */
.problem {
    padding: var(--section-padding);
    background: white;
}

.problem h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-primary);
}

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

.problem-card {
    padding: 40px 30px;
    background: var(--bg-light);
    border-radius: 15px;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--primary);
}

.problem-card .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 20px;
}

.problem-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Solution Section */
.solution {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.solution h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 50px;
}

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

.feature {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.feature p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Form Section */
.form-section {
    padding: var(--section-padding);
    background: white;
}

.form-section h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
}

.form-intro {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 50px;
    font-size: 1.1rem;
}

.document-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-light);
    padding: 50px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    margin: 30px 0;
}

.checkbox-group input {
    margin-right: 10px;
    margin-top: 3px;
    width: auto;
}

.checkbox-group label {
    font-weight: 400;
    margin: 0;
}

.submit-button {
    width: 100%;
    background: var(--primary);
    color: white;
    font-size: 1.3rem;
    font-weight: 700;
    padding: 18px;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(37, 99, 235, 0.3);
}

.submit-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.4);
}

/* PayPal Button Styling */
#paypal-button-container {
    margin: 30px 0;
    min-height: 55px;
}

.payment-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 15px;
}


/* Testimonials */
.testimonials {
    padding: var(--section-padding);
    background: var(--bg-light);
}

.testimonials h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
}

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

.testimonial {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.testimonial .quote {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial .author {
    color: var(--text-secondary);
    font-weight: 600;
}

/* FAQ */
.faq {
    padding: var(--section-padding);
    background: white;
}

.faq h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 30px;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 15px;
    border-left: 4px solid var(--primary);
}

.faq-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Footer */
footer {
    background: var(--text-primary);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

footer a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

footer a:hover {
    opacity: 1;
}

.disclaimer {
    font-size: 0.85rem;
    opacity: 0.7;
    margin: 10px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero .subtitle {
        font-size: 1.1rem;
    }

    .hero .highlight {
        font-size: 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .problem h2,
    .solution h2,
    .form-section h2,
    .testimonials h2,
    .faq h2 {
        font-size: 1.8rem;
    }

    .document-form {
        padding: 30px 20px;
    }
}