:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --accent-color: #e74c3c;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --carbon-color: #34495e;
    --silicon-color: #9b59b6;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f9f9f9;
    line-height: 1.6;
}

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

header {
    background: linear-gradient(135deg, var(--dark-color), var(--primary-color));
    color: white;
    padding: 40px 0;
    text-align: center;
    border-bottom: 5px solid var(--secondary-color);
}

.logo {
    font-size: 48px;
    font-weight: bold;
    margin-bottom: 10px;
    letter-spacing: 2px;
}

.logo span.carbon {
    color: var(--light-color);
}

.logo span.silicon {
    color: var(--secondary-color);
}

.tagline {
    font-size: 22px;
    font-style: italic;
    margin-bottom: 20px;
}

.header-nav {
    text-align: left;
    margin-top: 15px;
}

.header-nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.header-nav li {
    display: inline-block;
    margin-right: 20px;
}

.header-nav a {
    color: white;
    text-decoration: none;
    font-size: 18px;
}

.header-nav a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

h1, h2, h3, h4 {
    color: var(--dark-color);
    margin-top: 30px;
}

h1 {
    text-align: center;
    font-size: 36px;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    margin-bottom: 30px;
}

h2 {
    font-size: 28px;
    border-left: 5px solid var(--primary-color);
    padding-left: 15px;
}

h3 {
    font-size: 22px;
    color: var(--primary-color);
}

p {
    margin-bottom: 20px;
    text-align: justify;
}

.highlight {
    background-color: rgba(46, 204, 113, 0.1);
    padding: 20px;
    border-radius: 5px;
    border-left: 5px solid var(--secondary-color);
    margin: 20px 0;
}

.section {
    margin-bottom: 40px;
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

.mission-vision {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.mission, .vision {
    flex: 1;
    min-width: 300px;
    padding: 20px;
    border-radius: 8px;
}

.mission {
    background-color: rgba(52, 152, 219, 0.1);
    border-left: 5px solid var(--primary-color);
}

.vision {
    background-color: rgba(46, 204, 113, 0.1);
    border-left: 5px solid var(--secondary-color);
}

.phase {
    margin: 30px 0;
    padding: 20px;
    border-radius: 8px;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-left: 5px solid var(--primary-color);
}

.phase h3 {
    margin-top: 0;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.phase-number {
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    font-weight: bold;
}

.stakeholder {
    margin-bottom: 20px;
    padding: 15px;
    border-radius: 5px;
    background-color: var(--light-color);
}

.stakeholder h4 {
    margin-top: 0;
    color: var(--primary-color);
    border-bottom: 1px solid var(--primary-color);
    padding-bottom: 5px;
}

.dao-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 30px 0;
}

.dao-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--carbon-color), var(--silicon-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 24px;
    margin-bottom: 20px;
    position: relative;
}

.dao-connections {
    display: flex;
    justify-content: space-around;
    width: 100%;
    flex-wrap: wrap;
}

.dao-node {
    background-color: var(--light-color);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    min-width: 120px;
}

.dao-node.carbon {
    border-bottom: 3px solid var(--carbon-color);
}

.dao-node.silicon {
    border-bottom: 3px solid var(--silicon-color);
}

.card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px 0;
}

.card {
    flex: 1;
    min-width: 250px;
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.card h4 {
    color: var(--primary-color);
    margin-top: 0;
    border-bottom: 1px solid var(--primary-color);
    padding-bottom: 10px;
}

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

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

th {
    background-color: var(--primary-color);
    color: white;
}

tr:nth-child(even) {
    background-color: #f2f2f2;
}

.error-message {
    background-color: #ffebee;
    color: #c62828;
    padding: 15px;
    border-radius: 5px;
    border-left: 5px solid #c62828;
    margin: 20px 0;
}