:root {
    --primary-color: #6c63ff;
    --secondary-color: #4a45b1;
    --dark-bg: #121212;
    --darker-bg: #0a0a0a;
    --light-text: #f5f5f5;
    --gray-text: #a0a0a0;
    --card-bg: #1e1e1e;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

ul {
    list-style: none;
}

h2 {
    font-size: 2rem;
    margin-bottom: 30px;
    text-align: center;
}

/* Header & Navigation */
header {
    background-color: var(--darker-bg);
    padding: 30px 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

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

.nav-links a {
    font-weight: 500;
}

.nav-links a:hover, .nav-links a.highlight {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 40px 0 60px;
}

.hero h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    background: linear-gradient(to right, #fff, #6c63ff);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray-text);
    max-width: 600px;
    margin: 0 auto;
}

/* Sections */
section {
    padding: 60px 0;
}

section:nth-child(even) {
    background-color: var(--darker-bg);
}

/* Key Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.benefit-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    height: 100%;
}

.benefit-icon {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.benefit-card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.benefit-card p {
    color: var(--gray-text);
    font-size: 0.95rem;
}

/* Data Section */
.data-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.data-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
}

.wide-card {
    grid-column: span 2;
}

.data-card h3 {
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.2rem;
    color: var(--primary-color);
}

.chart-container {
    height: 250px;
    margin-bottom: 15px;
}

.data-note {
    text-align: center;
    color: var(--gray-text);
    font-size: 0.9rem;
    font-style: italic;
}

.mechanisms-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.mechanism-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.mechanism-percent {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    min-width: 70px;
    text-align: center;
}

.mechanism-info h4 {
    margin-bottom: 5px;
    font-size: 1rem;
}

.mechanism-info p {
    color: var(--gray-text);
    font-size: 0.9rem;
}

/* Techniques Section */
.techniques-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.technique-card {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    height: 100%;
}

.technique-card h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.technique-example {
    background-color: rgba(108, 99, 255, 0.1);
    padding: 15px;
    border-radius: var(--border-radius);
    border-left: 3px solid var(--primary-color);
}

.technique-example h4 {
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--primary-color);
}

.technique-example p {
    font-size: 0.9rem;
    color: var(--light-text);
}

/* Case Studies Section */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.case-study {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: var(--border-radius);
    height: 100%;
}

.case-study-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.case-study-header h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
}

.success-metric {
    text-align: right;
}

.metric-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.metric-label {
    font-size: 0.8rem;
    color: var(--gray-text);
}

.case-study > p {
    font-style: italic;
    margin-bottom: 15px;
    border-left: 3px solid var(--primary-color);
    padding-left: 15px;
}

.case-study-details {
    color: var(--gray-text);
    font-size: 0.9rem;
}

.case-study-details p {
    margin-bottom: 5px;
}

/* Download Section */
.download-section {
    text-align: center;
    background-color: var(--darker-bg);
    padding: 60px 0;
}

.download-content {
    max-width: 600px;
    margin: 0 auto;
}

.download-content h2 {
    margin-bottom: 15px;
}

.download-content p {
    color: var(--gray-text);
    margin-bottom: 30px;
}

.download-btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    transition: var(--transition);
}

.download-btn:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

/* Footer */
footer {
    background-color: var(--darker-bg);
    padding: 60px 0 20px;
}

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

.footer-info {
    max-width: 400px;
}

.footer-info h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.footer-info p {
    color: var(--gray-text);
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.social-links a {
    color: var(--gray-text);
}

.social-links a:hover {
    color: var(--primary-color);
}

.social-links i {
    width: 20px;
    margin-right: 10px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--gray-text);
}

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

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--gray-text);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 992px) {
    .data-grid {
        grid-template-columns: 1fr;
    }
    
    .wide-card {
        grid-column: span 1;
    }
    
    .mechanisms-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 20px;
    }
    
    .nav-links {
        justify-content: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-links ul {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 20px;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .case-study-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .success-metric {
        text-align: left;
    }
}