*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    font-family: var(--font-family-main);
    margin: 0;
    padding: 0;
    color: var(--neutral-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
}

/* Header styles */
.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-dark);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 2px 10px rgb(0 0 0 / 20%);
}

.header-title-container {
    display: flex;
    flex-direction: column;
}

.header-title {
    font-size: 2rem;
    color: var(--accent);
    font-weight: 700;
    margin: 0;
}

.header-subtitle {
    font-size: 1rem;
    color: white;
    margin: 0;
}