/* Kleurpalet: Zwart, Wit, Grijs + Cosy Warmte */
:root {
    --black: #1a1a1a;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --medium-gray: #d4d4d4;
    --dark-gray: #595959;
    --warm-beige: #e8dcc8;
    --warm-brown: #a89968;
    --accent: #b8956f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-gray);
    color: var(--black);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 50px;
    padding: 40px 20px;
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    color: var(--white);
    border-radius: 10px;
}

.header h1 {
    font-size: 3em;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.2em;
    color: var(--warm-beige);
}

/* Filters */
.filters {
    margin-bottom: 40px;
    text-align: center;
}

.filters h2 {
    margin-bottom: 20px;
    color: var(--black);
    font-size: 1.5em;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--dark-gray);
    background-color: var(--white);
    color: var(--black);
    border-radius: 25px;
    cursor: pointer;
    font-size: 1em;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background-color: var(--warm-beige);
    border-color: var(--accent);
}

.filter-btn.active {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
}

/* Galerij */
.houses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.house-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.house-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.house-image {
    width: 100%;
    height: 250px;
    background: linear-gradient(135deg, var(--medium-gray), var(--dark-gray));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4em;
    color: var(--light-gray);
}

.house-info {
    padding: 20px;
}

.house-name {
    font-size: 1.3em;
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--black);
}

.house-size {
    display: inline-block;
    background-color: var(--warm-beige);
    color: var(--black);
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 0.9em;
    margin-bottom: 10px;
}

.house-description {
    color: var(--dark-gray);
    font-size: 0.95em;
    margin-bottom: 15px;
    line-height: 1.5;
}

.house-style {
    font-size: 0.9em;
    color: var(--accent);
    font-weight: bold;
    margin-bottom: 15px;
}

.view-btn {
    width: 100%;
    padding: 12px;
    background-color: var(--black);
    color: var(--white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease;
}

.view-btn:hover {
    background-color: var(--dark-gray);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    overflow-y: auto;
}

.modal.show {
    display: block;
}

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 0;
    border-radius: 8px;
    width: 90%;
    max-width: 700px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.close {
    color: var(--dark-gray);
    float: right;
    font-size: 2em;
    font-weight: bold;
    padding: 10px 20px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: var(--black);
}

.modal-body {
    padding: 30px;
}

.modal-body h2 {
    color: var(--black);
    margin-bottom: 15px;
}

.modal-body p {
    color: var(--dark-gray);
    margin-bottom: 15px;
    line-height: 1.6;
}

.modal-body h3 {
    color: var(--black);
    margin-top: 20px;
    margin-bottom: 10px;
}

.modal-colors {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 15px 0;
}

.color-swatch {
    width: 50px;
    height: 50px;
    border-radius: 4px;
    border: 2px solid var(--dark-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.8em;
    font-weight: bold;
}

.furniture-list {
    background-color: var(--light-gray);
    padding: 15px;
    border-radius: 4px;
    margin: 15px 0;
}

.furniture-list ul {
    list-style-position: inside;
    color: var(--dark-gray);
}

.furniture-list li {
    margin-bottom: 8px;
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2em;
    }

    .houses-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }

    .filter-buttons {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 15px;
        font-size: 0.9em;
    }
}