:root {
    --bg-color: #0a0a0a;
    --card-bg: #161b22;
    --text-primary: #ffffff;
    --text-secondary: #8b949e;
    /* Increased saturation for better CTA visibility */
    --accent-color: #238636; 
    --accent-hover: #2ea043;
    --border-color: #30363d;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --max-width: 1200px;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}

/* Hero Section */
.hero-section {
    padding: 80px 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.badge {
    background-color: rgba(46, 164, 79, 0.15);
    color: #3fb950; /* Lighter green for better readability on dark bg */
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
    display: inline-block;
}

.tagline {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(to right, #ffffff, #b0b0b0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subheadline {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
}

/* Promo Box */
.promo-box {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    margin-bottom: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 0 40px rgba(0,0,0,0.5); /* Added depth */
}

.promo-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.code-display {
    background-color: #0d1117;
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.code-text {
    font-family: monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: #3fb950; /* Lighter green matches badge */
    letter-spacing: 1px;
}

.copy-btn {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.copy-btn:hover {
    background-color: var(--border-color);
    transform: translateY(-1px);
}

.promo-note {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* CTA Button */
.cta-btn {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    font-weight: 700; /* Bolder text */
    padding: 18px 36px; /* Slightly larger */
    border-radius: 8px;
    text-decoration: none;
    font-size: 1.125rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 14px rgba(35, 134, 54, 0.4); /* Green glow */
}

.cta-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px); /* Lift effect */
    box-shadow: 0 6px 20px rgba(35, 134, 54, 0.6);
}

/* Hero Image */
.hero-image-container {
    margin-top: 60px;
    position: relative;
    width: 100%;
    max-width: 1000px;
    border-radius: 12px;
    z-index: 1;
}

.hero-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
    position: relative;
    z-index: 2;
}

/* Glow effect behind the image */
.hero-img-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    height: 90%;
    background: radial-gradient(circle, rgba(35, 134, 54, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    z-index: 1;
    filter: blur(40px);
    pointer-events: none;
}

/* Steps Section */
.steps-section {
    padding: 80px 0;
    background-color: #0d1117;
}

.steps-section h2, .features-section h2, .about-section h2, .faq-section h2, .commands-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 60px;
    font-size: 1.125rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.step-card {
    position: relative;
    padding: 24px;
    background: var(--card-bg); /* Distinct background for cards */
    border-radius: 8px;
    border: 1px solid transparent;
    transition: border-color 0.3s ease;
}

.step-card:hover {
    border-color: var(--border-color);
}

.step-number {
    width: 40px;
    height: 40px;
    background-color: #0d1117; /* Darker circle */
    border: 1px solid var(--border-color);
    color: #3fb950;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 700;
    margin-bottom: 20px;
}

.step-card h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    color: var(--text-primary);
}

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

.step-card a {
    color: #3fb950;
    text-decoration: none;
}

.step-card a:hover {
    text-decoration: underline;
}

/* Commands Section */
.commands-section {
    padding: 80px 0;
    background-color: var(--bg-color);
}

.commands-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.command-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.command-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-color);
}

.cmd-header {
    margin-bottom: 16px;
}

.cmd-text {
    font-family: monospace;
    background: rgba(56, 139, 253, 0.15); /* Blue-ish tint like terminal selection */
    color: #58a6ff;
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.5px;
}

.command-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.command-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
    background-color: #0d1117;
}

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

.feature-item h3 {
    margin-bottom: 16px;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.feature-item p {
    color: var(--text-secondary);
    max-width: 320px;
    margin: 0 auto;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background-color: var(--bg-color);
    border-top: 1px solid var(--border-color);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-content p {
    margin-bottom: 24px;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
    background-color: #0d1117;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--card-bg);
    padding: 24px;
    border-radius: 8px;
    border: 1px solid transparent;
}

.faq-item h3 {
    margin-bottom: 12px;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.faq-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.faq-item strong {
    color: #3fb950;
}

/* Footer */
.site-footer {
    padding: 60px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.disclaimer {
    margin-top: 16px;
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--accent-color);
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    opacity: 1;
    visibility: visible;
    bottom: 32px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    .hero-section {
        padding: 40px 0;
    }
    
    .promo-box {
        padding: 24px;
    }
    
    .tagline {
        font-size: 1.25rem;
    }
}