/* Reset & base - Matching your SDLC style */
* {
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 40px;
    background-color: #f4f6f8; /* The light grey you use */
    color: #333;
    line-height: 1.6;
}

/* Nav & Header */
.top-nav {
    margin-bottom: 20px;
}

.back-link {
    text-decoration: none;
    color: #1f3a5f;
    font-weight: bold;
}

.back-link:hover {
    text-decoration: underline;
}

/* Container for consistency */
.content-container {
    max-width: 1000px;
    margin: 0 auto;
}

/* Headers matching your palette */
h1 {
    text-align: center;
    color: #1f3a5f;
    margin-bottom: 10px;
}

.subtitle {
    text-align: center;
    color: #666;
    font-style: italic;
    margin-bottom: 30px;
}

h2 {
    color: #1f3a5f;
    margin-top: 35px;
    margin-bottom: 15px;
    border-bottom: 2px solid #e6f0ff;
    padding-bottom: 5px;
}

h3 {
    color: #2a4b6b;
    margin-top: 25px;
    margin-bottom: 10px;
    font-size: 1.2em;
}

/* The "Card" style from your lists applied to sections */
.intro-text, .step-card, .def-item {
    background: white;
    margin-bottom: 20px;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

/* Steps - Vertical list style */
.step-card h3 {
    margin-top: 0;
    color: #1f3a5f;
}

/* Tables matching your SDLC style */
.styled-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    margin-bottom: 25px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.styled-table th, .styled-table td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: left;
}

.styled-table th {
    background-color: #e6f0ff;
    color: #1f3a5f;
}

/* Image handling */
.image-wrapper {
    text-align: center;
    background: white;
    padding: 20px;
    border-radius: 6px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    margin: 25px 0;
}

.image-wrapper img {
    max-width: 100%;
    height: auto;
}

/* Footer */
.source-footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9em;
}

.source-footer a {
    color: #1f3a5f;
    text-decoration: none;
}