:root {
    --primary-color: #0a2540;
    --secondary-color: #007bff;
    --background-color: #f8f9fa;
    --text-color: #333;
    --light-text-color: #fff;
    --card-background: #ffffff;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav a {
    color: var(--light-text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--secondary-color);
}

main {
    padding: 0;
}

.hero {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    text-align: center;
    padding: 6rem 2rem;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

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

.cta-button {
    background-color: var(--secondary-color);
    color: var(--light-text-color);
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #0056b3;
}

section {
    padding: 4rem 2rem;
    text-align: center;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.services {
    background-color: var(--background-color);
}

.service-cards {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.card {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    flex: 1;
    max-width: 350px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
}

.card h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.about {
    background-color: var(--card-background);
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.contact p {
    margin-bottom: 1rem;
}

.email-link {
    font-size: 1.2rem;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

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

footer {
    background-color: var(--primary-color);
    color: var(--light-text-color);
    text-align: center;
    padding: 1.5rem 2rem;
}