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

:root {
    --color-primary: #2c2c2c;
    --color-secondary: #4a4a4a;
    --color-accent: #1a1a1a;
    --color-bg: #ffffff;
    --color-bg-alt: #f8f8f8;
    --color-border: #e0e0e0;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
    --font-serif: 'Georgia', 'Times New Roman', serif;
}

body {
    font-family: var(--font-primary);
    color: var(--color-secondary);
    line-height: 1.6;
    background: var(--color-bg);
}

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

/* Header */
.header {
    padding: 30px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.logo {
    font-size: 24px;
    font-weight: 400;
    color: var(--color-primary);
    letter-spacing: 0.5px;
}

.back-link {
    color: var(--color-secondary);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

.back-link:hover {
    color: var(--color-primary);
}

/* Hero Section */
.hero {
    padding: 100px 0;
    text-align: center;
    background: linear-gradient(180deg, #ffffff 0%, #f8f8f8 100%);
}

.hero h1 {
    font-size: 48px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 30px;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-secondary);
    max-width: 800px;
    margin: 0 auto 30px;
    line-height: 1.6;
}

.hero-description {
    font-size: 18px;
    color: var(--color-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

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

.guarantee {
    font-size: 14px;
    color: var(--color-secondary);
    margin-top: 15px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 16px 40px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.btn-large {
    padding: 20px 60px;
    font-size: 18px;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: var(--color-bg);
}

.benefits h2 {
    font-size: 40px;
    font-weight: 600;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 60px;
}

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

.benefit-card {
    padding: 40px 30px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.benefit-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-secondary);
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.benefit-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.benefit-card p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-secondary);
}

/* Social Proof */
.social-proof {
    padding: 80px 0;
    background: var(--color-bg-alt);
    text-align: center;
}

.social-proof h2 {
    font-size: 36px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 50px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 50px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    color: var(--color-secondary);
}

.social-proof-text {
    max-width: 700px;
    margin: 0 auto;
    font-size: 17px;
    color: var(--color-secondary);
    line-height: 1.7;
}

/* Assessment Section */
.assessment-section {
    padding: 100px 0;
    background: var(--color-bg);
}

.assessment-header {
    text-align: center;
    margin-bottom: 60px;
}

.assessment-header h2 {
    font-size: 40px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.assessment-header p {
    font-size: 18px;
    color: var(--color-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.assessment-form {
    max-width: 800px;
    margin: 0 auto;
}

.form-section {
    background: var(--color-bg);
    padding: 40px;
    margin-bottom: 30px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

.form-section h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-border);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    background: var(--color-bg);
    color: var(--color-primary);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    font-size: 15px;
    font-weight: 400;
    color: var(--color-secondary);
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    margin-right: 8px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-submit {
    text-align: center;
    padding: 60px 0 20px;
}

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

/* FAQ Section */
.faq {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.faq h2 {
    font-size: 40px;
    font-weight: 600;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 60px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.faq-item h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.faq-item p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-secondary);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--color-primary);
    color: #ffffff;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: #ffffff;
    margin-bottom: 10px;
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 15px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 15px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 14px;
}

/* Loading State */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .benefits h2,
    .assessment-header h2,
    .faq h2 {
        font-size: 32px;
    }

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

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .btn-large {
        padding: 18px 40px;
        font-size: 16px;
    }
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}