/* TwentyBack Website Styles */

/* CSS Reset and Base Styles */
* {
    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: #374151;
    background-color: #ffffff;
}

/* Brand Colors */
:root {
    --brand-blue: #2563EB;
    --brand-green: #059669;
    --brand-orange: #EA580C;
    --brand-charcoal: #374151;
    --brand-light: #F9FAFB;
}

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

.text-center { text-align: center; }
.text-white { color: white; }
.text-blue { color: var(--brand-blue); }
.text-green { color: var(--brand-green); }
.text-orange { color: var(--brand-orange); }
.text-gray { color: #6B7280; }

.bg-white { background-color: white; }
.bg-light { background-color: var(--brand-light); }
.bg-blue { background-color: var(--brand-blue); }
.bg-green { background-color: var(--brand-green); }
.bg-orange { background-color: var(--brand-orange); }
.bg-charcoal { background-color: var(--brand-charcoal); }

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.btn-primary {
    background-color: var(--brand-orange);
    color: white;
}

.btn-primary:hover {
    background-color: #d97706;
}

.btn-secondary {
    background-color: transparent;
    color: var(--brand-blue);
    border: 2px solid var(--brand-blue);
}

.btn-secondary:hover {
    background-color: var(--brand-blue);
    color: white;
}

.btn-large {
    padding: 16px 32px;
    font-size: 18px;
}

/* Navigation */
.navbar {
    background: white;
    border-bottom: 1px solid #e5e7eb;
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--brand-blue);
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--brand-charcoal);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--brand-blue);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--brand-light) 0%, white 100%);
    padding: 80px 0;
    text-align: center;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--brand-charcoal);
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero .highlight {
    color: var(--brand-blue);
}

.hero .subtitle {
    font-size: 1.5rem;
    color: var(--brand-charcoal);
    margin-bottom: 32px;
}

.hero .description {
    font-size: 1.1rem;
    color: #6B7280;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: white;
}

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--brand-charcoal);
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.2rem;
    color: #6B7280;
}

.before-after {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 32px;
    margin-bottom: 60px;
    align-items: start;
}

.before-card, .after-card {
    padding: 32px;
    border-radius: 12px;
    border: 2px solid;
}

.before-card {
    background: #fef2f2;
    border-color: #fecaca;
}

.after-card {
    background: #f0fdf4;
    border-color: #bbf7d0;
}

.before-card h3 {
    color: #dc2626;
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.after-card h3 {
    color: var(--brand-green);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.before-card ul {
    color: #dc2626;
}

.after-card ul {
    color: var(--brand-green);
}

.arrow {
    background: var(--brand-blue);
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-top: 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    text-align: center;
}

.feature-item {
    padding: 20px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.feature-icon.blue {
    background: rgba(37, 99, 235, 0.1);
    color: var(--brand-blue);
}

.feature-icon.green {
    background: rgba(5, 150, 105, 0.1);
    color: var(--brand-green);
}

.feature-icon.orange {
    background: rgba(234, 88, 12, 0.1);
    color: var(--brand-orange);
}

.feature-item h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--brand-charcoal);
}

/* Testimonials */
.testimonials {
    padding: 80px 0;
    background: var(--brand-light);
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    margin-right: 16px;
}

.testimonial-avatar.blue { background: var(--brand-blue); }
.testimonial-avatar.green { background: var(--brand-green); }
.testimonial-avatar.orange { background: var(--brand-orange); }

.testimonial-info h4 {
    font-weight: 600;
    color: var(--brand-charcoal);
}

.testimonial-info p {
    color: #6B7280;
    font-size: 0.9rem;
}

.testimonial-content {
    color: #374151;
    margin-bottom: 16px;
    font-style: italic;
}

.testimonial-rating {
    color: var(--brand-green);
    font-weight: 600;
}

/* FAQ */
.faq {
    padding: 80px 0;
    background: white;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.faq-item {
    background: var(--brand-light);
    padding: 32px;
    border-radius: 12px;
}

.faq-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--brand-charcoal);
    margin-bottom: 12px;
}

.faq-item p {
    color: #374151;
    line-height: 1.6;
}

/* Final CTA */
.final-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--brand-blue) 0%, var(--brand-green) 100%);
    color: white;
    text-align: center;
}

.final-cta h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 24px;
}

.final-cta .description {
    font-size: 1.2rem;
    margin-bottom: 32px;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta .note {
    margin-top: 16px;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: var(--brand-charcoal);
    color: white;
    padding: 60px 0 40px;
}

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

.footer-column h3 {
    color: var(--brand-blue);
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 16px;
}

.footer-column h4 {
    font-weight: 600;
    margin-bottom: 16px;
}

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

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid #4b5563;
    padding-top: 32px;
    text-align: center;
    color: #d1d5db;
}

/* Lists */
ul {
    list-style: none;
    padding: 0;
}

li {
    margin-bottom: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .before-after {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .arrow {
        order: 2;
        margin: 20px auto;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .final-cta h2 {
        font-size: 2rem;
    }
}

@media (min-width: 769px) {
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
}