/* Arctic Ocean Technology Theme */
:root {
    --primary-color: #003366; /* Deep Ocean Blue */
    --secondary-color: #0066cc; /* Lighter Blue */
    --accent-color: #00aaff; /* Arctic Cyan */
    --background-color: #f0f8ff; /* Alice Blue (Ice) */
    --text-color: #333333;
    --white: #ffffff;
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* Navigation */
header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: #e0e0e0;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent-color);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    text-align: center;
    padding: 4rem 20px;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--white);
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #0088cc;
}

/* Main Container */
.container {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 20px;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.section {
    padding: 2rem;
    border-bottom: 1px solid #eee;
}

.section:last-child {
    border-bottom: none;
}

.section h2 {
    color: var(--primary-color);
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 10px;
    display: inline-block;
    margin-bottom: 20px;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: #ccc;
    text-align: center;
    padding: 2rem 0;
    margin-top: 2rem;
    font-size: 0.9rem;
}