* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

.header {
    position: sticky;
    top: 0;
    background: white;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 15px rgba(0, 40, 0, 0.1);
    z-index: 1000;
}

.logo {
    font-size: 1.8rem;
    font-weight: 600;
    color: #1a5632;
    text-decoration: none;
}

.profile-container {
    position: relative;
    cursor: pointer;
}

.profile-icon {
    font-size: 1.5rem;
    color: #2ecc71;
    transition: all 0.3s ease;
}

.profile-dropdown {
    position: absolute;
    right: 0;
    top: 130%;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 40, 0, 0.1);
    display: none;
    min-width: 200px;
    padding: 1rem;
}

.profile-dropdown.active {
    display: block;
    animation: fadeIn 0.3s;
}

.dropdown-item {
    padding: 0.8rem;
    color: #1a5632;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: background 0.3s ease;
}

.dropdown-item:hover {
    background: #f5faf7;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}