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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 60px 0 40px;
    text-align: center;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

.tagline {
    font-size: 1.2em;
    opacity: 0.95;
    font-weight: 300;
}

/* Navigation */
nav {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

nav li {
    margin: 0;
}

nav a {
    display: block;
    padding: 15px 25px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

nav a:hover {
    background-color: #f0f0f0;
    color: #667eea;
}

nav a.active {
    color: #667eea;
    border-bottom: 3px solid #667eea;
}

/* Main Content */
main {
    padding: 40px 20px;
}

section {
    background: white;
    margin-bottom: 30px;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

h2 {
    color: #667eea;
    font-size: 2em;
    margin-bottom: 20px;
    font-weight: 600;
}

h3 {
    color: #333;
    font-size: 1.4em;
    margin-bottom: 15px;
    font-weight: 600;
}

p {
    margin-bottom: 15px;
}

/* Hero Section */
.hero {
    text-align: center;
}

.hero p {
    font-size: 1.1em;
    color: #555;
}

/* Downloads Section */
.downloads {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 30px 0;
}

.download-card {
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    text-align: center;
}

.download-card h3 {
    color: #667eea;
    margin-bottom: 15px;
}

.download-button {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    margin: 15px 0;
    transition: all 0.3s ease;
}

.download-button:hover {
    background: #764ba2;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.file-info {
    font-size: 0.9em;
    color: #666;
    margin-top: 10px;
}

.code-instructions {
    text-align: left;
    background: #f8f8f8;
    padding: 20px;
    border-radius: 5px;
    margin-top: 15px;
}

.code-instructions ol {
    margin-left: 20px;
    margin-top: 10px;
}

.code-instructions li {
    margin-bottom: 10px;
}

code {
    background: #f0f0f0;
    padding: 4px 8px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
    color: #c7254e;
    display: inline-block;
    margin: 5px 0;
}

.latest-release {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 2px solid #ddd;
}

/* Features Section */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 5px;
    border-left: 4px solid #667eea;
}

.feature h3 {
    color: #667eea;
    font-size: 1.2em;
    margin-bottom: 10px;
}

/* Quick Start Section */
.steps {
    margin-left: 30px;
    counter-reset: step-counter;
}

.steps li {
    margin-bottom: 20px;
    padding-left: 20px;
    position: relative;
    font-size: 1.05em;
}

.steps li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: -30px;
    top: 0;
    background: #667eea;
    color: white;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.9em;
}

.cta {
    text-align: center;
    margin-top: 30px;
}

.button {
    display: inline-block;
    background: #667eea;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.button:hover {
    background: #764ba2;
    transform: translateY(-2px);
}

/* Use Cases Section */
.use-cases ul {
    margin-left: 30px;
}

.use-cases li {
    margin-bottom: 15px;
    font-size: 1.05em;
}

/* Support Section */
.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.support-card {
    padding: 20px;
    background: #f8f9fa;
    border-radius: 5px;
    text-align: center;
}

.support-card h3 {
    color: #667eea;
    margin-bottom: 15px;
}

.support-card a {
    color: #667eea;
    font-weight: 600;
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    padding: 30px 0;
    text-align: center;
}

footer a {
    color: #667eea;
    text-decoration: none;
}

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

.credits {
    font-size: 0.9em;
    opacity: 0.8;
    margin-top: 10px;
}

/* Links */
a {
    color: #667eea;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8em;
    }
    
    .tagline {
        font-size: 1em;
    }
    
    section {
        padding: 25px;
    }
    
    h2 {
        font-size: 1.6em;
    }
    
    nav a {
        padding: 12px 15px;
        font-size: 0.95em;
    }
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #667eea;
    color: white;
    font-weight: 600;
}

tr:hover {
    background-color: #f5f5f5;
}

/* Warning/Note Boxes */
.warning {
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}

.info {
    background-color: #d1ecf1;
    border-left: 4px solid #17a2b8;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}

.error {
    background-color: #f8d7da;
    border-left: 4px solid #dc3545;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}