* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
    scroll-behavior: smooth;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #ffffff;
    padding: 1rem 5%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo {
    height: 60px;
    width: auto;
    border-radius: 8px;
}

.logo-container h1 {
    font-size: 1.5rem;
    color: #1a2a3a;
    letter-spacing: 1px;
}

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

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 600;
    transition: color 0.3s ease;
}

nav a:hover {
    color: #4a90e2;
}

.section {
    padding: 5rem 5%;
    text-align: center;
}

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

.light-bg {
    background-color: #f4f6f8;
}

.dark-bg {
    background-color: #1a2a3a;
    color: #ffffff;
}

.hero {
    background-color: #121c26;
    color: white;
    padding: 8rem 5%;
    text-align: center;
}

.hero h2 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: #e0f2fe;
}

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

.card {
    background-color: #ffffff;
    color: #333;
    padding: 2.5rem;
    border-radius: 12px;
    flex: 1;
    min-width: 300px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: left;
}

.card h3 {
    color: #1a2a3a;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    border-bottom: 2px solid #4a90e2;
    padding-bottom: 0.5rem;
    display: inline-block;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-item {
    background: #ffffff;
    padding: 2rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border-top: 5px solid #4a90e2;
    transition: transform 0.3s ease;
}

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

.service-item h4 {
    margin-bottom: 1rem;
    color: #1a2a3a;
    font-size: 1.2rem;
}

footer {
    background-color: #0b131a;
    color: #88929b;
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
}