* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #2c3e50;
    background: #f0f2f5;
    padding: 20px;
}

header {
    background: linear-gradient(135deg, #1e2a3a, #0f1a24);
    color: white;
    padding: 30px 20px;
    text-align: center;
    border-radius: 20px;
    margin-bottom: 30px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

nav {
    margin-top: 20px;
}

nav a {
    color: #ecf0f1;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
    transition: color 0.3s;
}

nav a:hover {
    color: #3498db;
    text-decoration: underline;
}

main {
    max-width: 1100px;
    margin: 0 auto;
    background: white;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

section {
    margin-bottom: 40px;
}

h2 {
    font-size: 1.8rem;
    border-left: 6px solid #3498db;
    padding-left: 15px;
    margin-bottom: 20px;
    color: #1e2a3a;
}

ul {
    list-style: none;
    padding-left: 0;
}

ul li {
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

ul li::before {
    content: "▹";
    position: absolute;
    left: 0;
    color: #3498db;
}

.project-card, .exp-item {
    background: #f8f9fa;
    padding: 18px;
    margin-bottom: 20px;
    border-radius: 15px;
    transition: transform 0.2s, box-shadow 0.2s;
    border-left: 4px solid #3498db;
}

.project-card:hover, .exp-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.project-card h3, .exp-item h3 {
    margin-bottom: 8px;
    color: #2980b9;
}

a {
    color: #2980b9;
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
    color: #1c6ea4;
}

footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: #7f8c8d;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    header h1 {
        font-size: 1.8rem;
    }
    nav a {
        margin: 0 8px;
        font-size: 0.9rem;
    }
    main {
        padding: 20px;
    }
}