/* Basic Reset and Global Styles */
body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #0d1117; /* Dark background for a secure feel */
    color: #ffffff;
    line-height: 1.6;
}

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

h1, h2, h3, h4 {
    color: #4CAF50; /* Green accent color */
    font-weight: 700;
}

/* Header Styles */
header {
    background-color: #161b22;
    padding: 20px 0;
    border-bottom: 3px solid #238636;
    text-align: center;
}

header h1 {
    margin-bottom: 5px;
}

/* Hero Section Styles */
#hero {
    text-align: center;
    padding: 80px 0;
    background: linear-gradient(135deg, #0d1117, #161b22);
}

#hero h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.cta-button {
    display: inline-block;
    background-color: #4CAF50; /* Primary CTA color */
    color: #0d1117;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 700;
    margin-top: 20px;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #6cbf6f;
}

/* Content Sections */
#what-is-sco, #ledger-steps {
    padding: 60px 0;
    text-align: center;
    border-bottom: 1px solid #21262d;
}

/* Feature List (What is SCO) */
.feature-list {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    margin-top: 40px;
}

.feature-item {
    background-color: #161b22;
    padding: 20px;
    border-radius: 8px;
    flex-basis: 30%;
    border: 1px solid #21262d;
    transition: transform 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item h4 {
    color: #4CAF50;
    margin-top: 0;
}

/* Step List (Ledger Steps) */
.step-list {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
    gap: 30px;
    text-align: left;
    margin-top: 30px;
}

.step-list li {
    background-color: #161b22;
    padding: 20px;
    border-radius: 8px;
    flex-basis: 30%;
    counter-increment: step-counter;
    position: relative;
    border-left: 5px solid #4CAF50;
}

.step-list li::before {
    content: "Step " counter(step-counter);
    color: #ffffff;
    font-weight: bold;
    display: block;
    margin-bottom: 10px;
    font-size: 1.1em;
}

/* Footer Styles */
footer {
    background-color: #161b22;
    text-align: center;
    padding: 15px 0;
    font-size: 0.9em;
    color: #8b949e;
}

/* Responsive Design */
@media (max-width: 768px) {
    .feature-list, .step-list {
        flex-direction: column;
        align-items: center;
    }
    .feature-item, .step-list li {
        flex-basis: 80%;
        margin-bottom: 20px;
    }
}