/* ===================================
   AdFly - SEO Optimized CSS
   Updated 2025
   =================================== */

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

:root {
    --primary-color: #00a8ff;
    --secondary-color: #0097e6;
    --accent-color: #fbc531;
    --text-color: #2c3e50;
    --light-bg: #f5f6fa;
    --white: #ffffff;
    --border-color: #dfe6e9;
    --success-color: #00b894;
    --warning-color: #fdcb6e;
    --dark-bg: #2d3436;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    font-size: 16px;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Header & Navigation */
header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-menu a {
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,122.7C672,117,768,139,864,138.7C960,139,1056,117,1152,101.3C1248,85,1344,75,1392,69.3L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.hero .lead {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.05rem;
    transition: all 0.3s ease;
    display: inline-block;
    cursor: pointer;
}

.btn-primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.25);
}

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

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

.trust-badges {
    display: flex;
    gap: 2.5rem;
    justify-content: center;
    font-size: 1rem;
    flex-wrap: wrap;
}

.trust-badges span {
    opacity: 0.95;
    font-weight: 500;
}

/* Featured Snippet Box (AI Optimized) */
.snippet-box {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    border-left: 5px solid var(--warning-color);
    padding: 2.5rem 0;
    margin: 3rem 0;
}

.snippet-box h2 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
    color: var(--text-color);
    font-weight: 700;
}

.snippet-box p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-color);
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background: var(--white);
}

.how-it-works h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 700;
}

.section-intro {
    text-align: center;
    font-size: 1.15rem;
    color: #636e72;
    margin-bottom: 3rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.step-card {
    background: var(--light-bg);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    border-color: var(--primary-color);
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
}

.step-card p {
    color: #636e72;
    line-height: 1.7;
}

/* Benefits Section */
.benefits {
    padding: 5rem 0;
    background: var(--light-bg);
}

.benefits h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.benefit-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.benefit-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.benefit-card p {
    color: #636e72;
    line-height: 1.8;
}

/* Earnings Calculator Section */
.earnings {
    padding: 5rem 0;
    background: var(--white);
}

.earnings h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.calculator-box {
    background: var(--light-bg);
    padding: 3rem;
    border-radius: 12px;
    max-width: 900px;
    margin: 3rem auto 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.calculator-box h3 {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-align: center;
}

.earnings-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
}

.earnings-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.earnings-table th,
.earnings-table td {
    padding: 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.earnings-table th {
    font-weight: 600;
    font-size: 1.05rem;
}

.earnings-table tbody tr:hover {
    background: #f8f9fa;
}

.earnings-table tbody tr:last-child td {
    border-bottom: none;
}

.note {
    margin-top: 2rem;
    padding: 1.25rem;
    background: #fff3cd;
    border-left: 4px solid var(--warning-color);
    border-radius: 6px;
    color: #856404;
    line-height: 1.7;
}
/* Tips Section */
.tips {
    padding: 5rem 0;
    background: var(--light-bg);
}

.tips h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.tip-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.tip-card:hover {
    transform: translateX(5px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.12);
}

.tip-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-weight: 600;
}

.tip-card p {
    color: #636e72;
    line-height: 1.8;
}

/* FAQ Section */
.faq {
    padding: 5rem 0;
    background: var(--white);
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3.5rem;
    font-weight: 700;
}

.faq-item {
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.faq-item h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.faq-item p {
    color: #636e72;
    line-height: 1.8;
    font-size: 1.05rem;
}

/* Comparison Section */
.comparison {
    padding: 5rem 0;
    background: var(--light-bg);
}

.comparison h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

.comparison-table {
    overflow-x: auto;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
}

.comparison-table th,
.comparison-table td {
    padding: 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
    font-weight: 600;
    font-size: 1.1rem;
}

.comparison-table tbody tr:hover {
    background: #f8f9fa;
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--text-color);
}

/* CTA Section */
.cta-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.cta-section > p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.95;
}

.disclaimer {
    margin-top: 2rem;
    font-size: 1rem;
    opacity: 0.9;
}

/* Footer */
footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.footer-about h3,
.footer-links h3,
.footer-disclaimer h3 {
    font-size: 1.3rem;
    margin-bottom: 1.25rem;
    color: var(--accent-color);
    font-weight: 600;
}

.footer-about p,
.footer-disclaimer p {
    color: #b2bec3;
    line-height: 1.7;
    font-size: 0.95rem;
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #b2bec3;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: #b2bec3;
    font-size: 0.95rem;
}

.footer-bottom a {
    color: var(--accent-color);
    margin: 0 0.5rem;
}

.footer-bottom a:hover {
    text-decoration: underline;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--primary-color);
    color: var(--white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: all 0.3s ease;
    z-index: 999;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero .lead {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
    }
    
    .trust-badges {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 1rem;
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        display: none;
    }
    
    .steps-grid,
    .benefits-grid,
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-box {
        padding: 1.5rem;
    }
    
    .earnings-table th,
    .earnings-table td {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 1rem;
        font-size: 0.9rem;
    }
    
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.85rem;
    }
    
    .hero .lead {
        font-size: 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .snippet-box h2 {
        font-size: 1.5rem;
    }
    
    .snippet-box p {
        font-size: 1.05rem;
    }
    
    h2 {
        font-size: 2rem !important;
    }
    
    .back-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

/* Print Styles */
@media print {
    .nav-menu,
    .cta-buttons,
    .back-to-top,
    footer {
        display: none;
    }
}