/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: white; /* FULL WHITE BACKGROUND */
    min-height: 100vh;
}

.header {
    background: white;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header-content {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 1rem 2rem;
    width: 100%;
    gap: 2rem;
}

.logo h1 {
    color: #4a5568;
    font-size: 1.8rem;
    font-weight: 700;
}

/* Remove underline from logo link */
.header h1 a {
    text-decoration: none;
    color: inherit; /* use same color as h1 */
}

.navbar {
    flex: 1;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 1rem;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    color: #4a5568;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(0, 0, 0, 0.05);
    color: #007bff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px;
    text-align: center;
}

.welcome-text {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: #222;
}

.welcome-sub {
    font-size: 1.2rem;
    color: #666;
}

/* Footer */
.footer {
    background: #f1f1f1;
    color: #444;
    text-align: center;
    padding: 1rem 0;
    width: 100%;
    border-top: 1px solid #ddd;
}