html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #1e293b; 
    font-family: "Georgia", "Times New Roman", serif; 
    font-size: 18px;
    line-height: 1.7;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 25px;
}

.navbar {
    background-color: #0b1e36; 
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #162e4e;
}

.navbar .logo {
    color: #ffffff;
    font-family: Arial, sans-serif;
    font-size: 18px;
    font-weight: bold;
    letter-spacing: 0.5px;
}

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

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: #ffffff;
    text-decoration: none;
    font-family: Arial, sans-serif;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #cbd5e1; 
}

.hero {
    background-color: #f4f7fa; 
    padding: 90px 40px;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}

.hero h1 {
    color: #0b1e36;
    font-family: Arial, sans-serif;
    font-size: 44px;
    margin: 0 0 15px 0;
    font-weight: 800;
}

.hero .highlight {
    color: #1d4ed8; 
}

.hero .tagline {
    font-size: 20px;
    color: #475569;
    max-width: 650px;
    margin: 0 auto 35px auto;
}

.btn {
    display: inline-block;
    background-color: #0b1e36;
    color: #ffffff;
    text-decoration: none;
    font-family: Arial, sans-serif;
    font-size: 15px;
    font-weight: bold;
    padding: 14px 32px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.btn:hover {
    background-color: #1e3a8a;
}

.section {
    padding: 60px 0;
    border-bottom: 1px solid #f1f5f9;
}

.section h2 {
    color: #0b1e36;
    font-family: Arial, sans-serif;
    font-size: 28px;
    margin-top: 0;
    margin-bottom: 20px;
    position: relative;
}

.project-item {
    margin-bottom: 45px;
}

.project-item h3 {
    color: #0b1e36;
    font-family: Arial, sans-serif;
    font-size: 22px;
    margin-top: 0;
    margin-bottom: 10px;
}

.project-item p {
    margin-top: 0;
    margin-bottom: 15px;
}

.tag {
    display: inline-block;
    font-family: Arial, sans-serif;
    font-size: 12px;
    font-weight: bold;
    color: #1e3a8a;
    background-color: #eff6ff;
    padding: 4px 10px;
    border-radius: 3px;
    border: 1px solid #bfdbfe;
}

.social-links {
    margin-top: 25px;
}

.social-btn {
    display: inline-block;
    background-color: #ffffff;
    color: #0b1e36;
    text-decoration: none;
    font-family: Arial, sans-serif;
    font-size: 15px;
    font-weight: bold;
    padding: 10px 24px;
    border-radius: 4px;
    border: 2px solid #0b1e36;
    transition: all 0.2s ease;
}

.social-btn:hover {
    background-color: #0b1e36;
    color: #ffffff;
}

footer {
    background-color: #0b1e36;
    color: #ffffff;
    text-align: center;
    padding: 40px 20px;
    font-family: Arial, sans-serif;
    font-size: 14px;
    margin-top: 40px;
}

footer p {
    margin: 0;
    letter-spacing: 0.3px;
    opacity: 0.9;
}