.header {
    background-color: #000;
    color: #fff;
    padding: 20px 0;
    font-family: 'Arial', sans-serif;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.logo h1 {
    font-size: 2.5em;
    font-weight: bold;
    margin: 0;
    padding: 0;
    color: #fff;
    white-space: nowrap;
}

.header-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.btn {
    padding: 15px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.7rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    flex-grow: 1;
    white-space: nowrap;
}

.btn-consultation {
    background-color: #f7a634;
    color: #000;
}

.btn-download {
    background-color: #f7a634;
    color: #000;
}

.btn:hover {
    filter: brightness(1.1);
}