/* Layout principal */
.site {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-background);
    padding: 1rem 0;
    z-index: 1000;
    box-shadow: var(--box-shadow);
}

.site-branding {
    display: flex;
    align-items: flex-start;
    gap: 0;
}

.logo-wrapper {
    flex-shrink: 0;
    width: 80px;
}

.title-nav-wrapper {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 0.5rem;
}

/* Main content */
.site-main {
    flex: 1 0 auto;
    padding-top: var(--header-height);
    width: 100%;
}

/* Grid system */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--grid-gap);
}

/* Container variations */
.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.container-wide {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Responsive layout adjustments */
@media (max-width: 768px) {
    .site-branding {
        flex-direction: row;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 0;
        margin-top: 0;
    }
    
    .logo-wrapper {
        width: 70px;
    }
    
    .title-nav-wrapper {
        padding-top: 0.25rem;
    }
    
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
    }

    .logo-wrapper {
        width: 60px;
    }
}