:root {
    --immoweb-navy: #003366;
    --immoweb-orange: #ff7b00;
    --immoweb-blue-light: #e6eff7;
    --immoweb-grey-bg: #f2f5f7;
    --immoweb-text: #333333;
    --immoweb-text-light: #666666;
    --white: #ffffff;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

body {
    font-family: "Open Sans", Arial, sans-serif;
    color: var(--var-immoweb-text);
    background-color: var(--immoweb-grey-bg);
    margin: 0;
    line-height: 1.6;
}

header {
    background-color: var(--white);
    padding: 1rem 5%;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--immoweb-navy);
    text-decoration: none;
}

.container {
    max-width: 1100px;
    margin: 2rem auto;
    padding: 0 20px;
}

.breadcrumb {
    font-size: 0.9rem;
    margin-bottom: 1rem;
    color: var(--immoweb-text-light);
}

.breadcrumb a {
    color: var(--immoweb-navy);
    text-decoration: none;
}

h1, h2, h3 {
    color: var(--immoweb-navy);
}

/* Category Tabs */
.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 5px;
}

.tab {
    background: var(--white);
    padding: 10px 20px;
    border-radius: 20px;
    border: 1px solid #ddd;
    cursor: pointer;
    white-space: nowrap;
    font-weight: 600;
    color: var(--immoweb-navy);
}

.tab.active {
    background: var(--immoweb-navy);
    color: var(--white);
    border-color: var(--immoweb-navy);
}

/* Grid Layout */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.partner-card {
    background: var(--white);
    border-radius: 8px;
    padding: 24px;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.partner-card:hover {
    transform: translateY(-5px);
}

.category-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: bold;
    color: var(--immoweb-text-light);
    margin-bottom: 8px;
    display: block;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--immoweb-orange);
    color: var(--white);
}

.btn-outline {
    border: 1px solid var(--immoweb-navy);
    color: var(--immoweb-navy);
}

/* Detail Page specific */
.detail-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.detail-main {
    background: var(--white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.sidebar-cta {
    background: var(--immoweb-blue-light);
    padding: 30px;
    border-radius: 8px;
    position: sticky;
    top: 20px;
    text-align: center;
}

@media (max-width: 768px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
}