/* Global Styles */
:root {
    --primary-color: #3a86ff;
    --secondary-color: #8338ec;
    --accent-color: #ff006e;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-color: #333333;
    --text-light: #6c757d;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Roboto', sans-serif;
    margin-bottom: 1rem;
    line-height: 1.2;
}

p {
    margin-bottom: 1.5rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style-position: inside;
    margin-bottom: 1.5rem;
}

/* Header Styles */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 4rem 0;
    text-align: center;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

header .subtitle {
    font-size: 1.5rem;
    opacity: 0.9;
    font-weight: 300;
}

/* Navigation Styles */
nav {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav ul {
    display: flex;
    justify-content: center;
    margin: 0;
    padding: 0;
    list-style: none;
    flex-wrap: wrap;
}

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-color);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

nav a:hover {
    color: var(--primary-color);
}

/* Main Content Styles */
main {
    padding: 3rem 0;
}

section {
    margin-bottom: 4rem;
}

section h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--primary-color);
}

/* Card Styles */
.card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* Subsection Styles */
.subsection {
    margin-bottom: 3rem;
}

.subsection h3 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

/* Case Study Styles */
.case-study {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    border-left: 5px solid var(--accent-color);
}

.case-study h4 {
    color: var(--accent-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.case-study h5 {
    color: var(--text-color);
    font-size: 1.1rem;
    margin: 1rem 0 0.5rem;
}

/* Trend Card Styles */
.trend-card {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    border-top: 5px solid var(--primary-color);
}

.trend-card h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* CTA Banner Styles */
.cta-banner {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    padding: 3rem 2rem;
    border-radius: var(--border-radius);
    text-align: center;
    margin: 3rem 0;
}

.cta-banner h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-banner p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: white;
    color: var(--accent-color);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.cta-button:hover {
    background-color: var(--accent-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Conclusion Styles */
#conclusion {
    background-color: var(--card-background);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 3rem;
}

#conclusion h2 {
    text-align: center;
    border-bottom: none;
}

#conclusion p {
    font-size: 1.1rem;
}

/* Footer Styles */
footer {
    background-color: #333;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

footer p {
    margin-bottom: 0.5rem;
    opacity: 0.8;
}

/* Responsive Styles */
@media (max-width: 768px) {
    header h1 {
        font-size: 2.5rem;
    }
    
    header .subtitle {
        font-size: 1.2rem;
    }
    
    nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    nav a {
        padding: 0.8rem 1rem;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .card, .case-study, .trend-card {
        padding: 1.5rem;
    }
    
    .cta-banner {
        padding: 2rem 1rem;
    }
    
    .cta-banner h3 {
        font-size: 1.5rem;
    }
    
    #conclusion {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }
    
    header .subtitle {
        font-size: 1rem;
    }
    
    section h2 {
        font-size: 1.8rem;
    }
    
    .card h3, .subsection h3 {
        font-size: 1.3rem;
    }
    
    .case-study h4, .trend-card h4 {
        font-size: 1.1rem;
    }
}