/* SimpleBias Pro - Professional CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #2c2c2c;
    background-color: #ffffff;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header Styles */
header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

nav {
    padding: 1rem 0;
}

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

.logo h1 {
    color: #000000;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #4b5563;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
    padding: 0.5rem 0;
}

.nav-menu a:hover {
    color: #000000;
}

/* Button Styles */
.btn-primary, .btn-secondary, .btn-pricing {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    letter-spacing: 0.025em;
}

.btn-primary {
    background-color: #000000;
    color: #ffffff;
}

.btn-primary:hover {
    background-color: #1f2937;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background-color: transparent;
    color: #000000;
    border: 1px solid #d1d5db;
}

.btn-secondary:hover {
    background-color: #f9fafb;
    border-color: #9ca3af;
}

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

/* Hero Section */
.hero {
    padding: 140px 0 100px;
    text-align: center;
    background-color: #ffffff;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: #000000;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.hero h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1.5rem;
    letter-spacing: -0.01em;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: #4b5563;
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Styles */
section {
    padding: 80px 0;
}

section:nth-child(even) {
    background-color: #f8fafc;
}

section h2 {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 3rem;
    text-align: center;
    color: #000000;
    letter-spacing: -0.025em;
}

section p {
    color: #4b5563;
    line-height: 1.7;
}

/* Disclaimer */
.disclaimer {
    background-color: #fef3c7;
    border-top: 3px solid #f59e0b;
    border-bottom: 3px solid #f59e0b;
}

.disclaimer-box {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #fbbf24;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.disclaimer h3 {
    color: #dc2626;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.disclaimer ul {
    list-style: none;
    padding-left: 0;
}

.disclaimer li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    color: #374151;
    line-height: 1.6;
}

.disclaimer li::before {
    content: "⚠️";
    position: absolute;
    left: 0;
    top: 0;
}

.disclaimer strong {
    color: #dc2626;
    font-weight: 600;
}

/* Features Grid */
.features-grid, .users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card, .user-card {
    background-color: #ffffff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.feature-card:hover, .user-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-color: #d1d5db;
}

.feature-card h3, .user-card h3 {
    color: #000000;
    margin-bottom: 1rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.feature-card p, .user-card p {
    color: #4b5563;
    line-height: 1.6;
}

.feature-card strong, .user-card strong {
    color: #059669;
    font-weight: 600;
}

/* Main Features */
.main-features-list {
    max-width: 800px;
    margin: 0 auto;
}

.feature-item {
    background-color: #ffffff;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #059669;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.feature-item:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-item h3 {
    color: #000000;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feature-item p {
    color: #6b7280;
}

.feature-item strong {
    color: #059669;
    font-weight: 600;
}

/* Pricing */
.pricing {
    background-color: #f8fafc;
}

.pricing > .container > p {
    text-align: center;
    font-size: 1.125rem;
    color: #4b5563;
    margin-bottom: 1rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pricing-card {
    background-color: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured {
    border: 2px solid #059669;
    transform: scale(1.02);
}

.pricing-card.featured::before {
    content: "RECOMMENDED";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #059669;
    color: #ffffff;
    padding: 6px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: 0.05em;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.pricing-card.featured:hover {
    transform: translateY(-4px) scale(1.02);
}

.pricing-card h3 {
    color: #000000;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.pricing-card ul {
    list-style: none;
    margin-bottom: 2rem;
}

.pricing-card li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
    color: #374151;
    line-height: 1.5;
}

.pricing-card li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #059669;
    font-weight: bold;
    font-size: 14px;
}

.pricing-options {
    margin-bottom: 2rem;
}

.price-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    margin-bottom: 0.5rem;
    background-color: #f9fafb;
    border-radius: 6px;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
}

.price-option:hover {
    background-color: #f3f4f6;
    border-color: #d1d5db;
}

.duration {
    font-weight: 500;
    color: #374151;
}

.price {
    font-weight: 700;
    color: #000000;
    font-size: 1.125rem;
}

.discount {
    color: #059669;
    font-size: 0.875rem;
    font-weight: 500;
}

.btn-pricing {
    width: 100%;
    background-color: #059669;
    color: #ffffff;
    font-size: 1rem;
    padding: 16px;
    border-radius: 6px;
}

.btn-pricing.featured {
    background-color: #000000;
}

.btn-pricing:hover {
    background-color: #047857;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.btn-pricing.featured:hover {
    background-color: #1f2937;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

/* Why Different */
.different-points {
    max-width: 800px;
    margin: 0 auto;
}

.point {
    background-color: #ffffff;
    margin-bottom: 1rem;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #2563eb;
    border: 1px solid #e5e7eb;
    transition: all 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.point:hover {
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.point p {
    color: #374151;
    margin: 0;
}

.point strong {
    color: #2563eb;
    font-weight: 600;
}

/* Trial and Conclusion */
.trial, .conclusion {
    text-align: center;
}

.trial p, .conclusion p {
    font-size: 1.125rem;
    color: #4b5563;
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.conclusion strong {
    color: #059669;
    font-weight: 600;
}

.final-cta {
    margin-top: 2rem;
}

/* Footer */
footer {
    background-color: #111827;
    color: #d1d5db;
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-section h3, .footer-section h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: #9ca3af;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: #9ca3af;
    margin-bottom: 0.5rem;
}

.footer-bottom strong {
    color: #f59e0b;
}

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

    .nav-menu {
        display: none;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero h2 {
        font-size: 1.25rem;
    }

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

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    section {
        padding: 60px 0;
    }

    section h2 {
        font-size: 1.875rem;
        margin-bottom: 2rem;
    }

    .features-grid, .pricing-grid, .users-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }

    .disclaimer-box, .feature-card, .pricing-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero h2 {
        font-size: 1.125rem;
    }

    .btn-primary, .btn-secondary, .btn-pricing {
        padding: 14px 20px;
        font-size: 14px;
    }

    .btn-primary.large {
        padding: 16px 24px;
        font-size: 15px;
    }

    .disclaimer-box, .feature-card, .pricing-card, .feature-item, .point {
        padding: 1.25rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}