:root {
    --primary-brown: #8B6F47;
    --dark-brown: #5D4E37;
    --light-bg: #F5F5F5;
    --dark-text: #333333;
    --border-color: #DDDDDD;
    --success-green: #4CAF50;
}

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

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--dark-text);
    background-color: #FFFFFF;
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

/* Header & Navigation */
header {
    background-color: #FFFFFF;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    height: 80px;
    width: auto;
}

.logo img {
    height: 100%;
    width: auto;
    max-width: 300px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--dark-text);
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--primary-brown);
}

/* Links */
a {
    color: var(--primary-brown);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--dark-brown);
    text-decoration: underline;
}

footer a {
    color: var(--primary-brown);
}

footer a:hover {
    color: white;
}

.btn-header {
    background-color: var(--primary-brown);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-header:hover {
    background-color: var(--dark-brown);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #F5F5F5 0%, #EFEFEF 100%);
    padding: 4rem 2rem;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background-color: #F0E6D2;
    color: var(--primary-brown);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-text);
}

.hero-subtitle {
    font-size: 1.8rem;
    color: var(--primary-brown);
    margin-bottom: 1rem;
}

.hero-description {
    max-width: 800px;
    margin: 1rem auto 2rem;
    color: #666;
    font-size: 1rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-block;
}

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

.btn-primary:hover {
    background-color: var(--dark-brown);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-brown);
    border: 2px dashed var(--primary-brown);
}

.btn-secondary:hover {
    background-color: var(--primary-brown);
    color: white;
}

/* Features Section */
.features-section {
    padding: 4rem 2rem;
    background-color: #FFFFFF;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.highlight {
    color: var(--primary-brown);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background-color: #F9F9F9;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}
.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-icon svg.icon {
    width: 60px;
    height: 60px;
    display: inline-block;
}    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: #666;
    font-size: 0.95rem;
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    padding: 3rem 1rem;
    background-color: #f5f5f5;
    text-align: center;
}

.stat-item .stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #8B6F47;
    margin-bottom: 0.5rem;
}

.stat-item .stat-label {
    color: #666;
    font-size: 0.9rem;
}

.experience-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.experience-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.focus-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.focus-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #666;
}

.focus-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #8B6F47;
    font-weight: bold;
}

.philosophy-box {
    background-color: #3d3d3d;
    padding: 2rem;
    border-left: 4px solid #8B6F47;
    border-radius: 4px;
}

.philosophy-box h3 {
    margin-bottom: 1rem;
    color: #8B6F47;
}

.philosophy-box blockquote {
    font-style: italic;
    color: #f0f0f0;
    margin: 0;
    line-height: 1.8;
}

.philosophy-box footer {
    display: block;
    margin-top: 1rem;
    font-style: normal;
    color: #8B6F47;
    font-weight: 600;
}

.services-section {
    padding: 3rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.service-card {
    background-color: #f9f9f9;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
}

.service-card .service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card .service-icon svg.icon {
    width: 60px;
    height: 60px;
    display: inline-block;
}

.service-card h3 {
    color: #333;
    margin-bottom: 1rem;
}

.service-card p {
    color: #666;
    line-height: 1.6;
}

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

.cta-section {
    background-color: #3a3a3a;
    color: white;
    padding: 3rem 1rem;
    text-align: center;
    margin: 3rem 0 0 0;
}  font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-cta {
    background-color: var(--primary-brown);
    color: white;
    padding: 1rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
}

.btn-cta:hover {
    background-color: var(--dark-brown);
}

/* Calculator Buttons */
.btn-property, .btn-option {
    padding: 1rem 1.5rem;
    margin: 0.5rem;
    border: 2px solid #ddd;
    background: white;
    color: #333;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-property:hover, .btn-option:hover {
    border-color: #8B6F47;
    color: #8B6F47;
}

.btn-property.active, .btn-option.active {
    background: #8B6F47;
    color: white;
    border-color: #8B6F47;
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin: 1rem 0;
}

.form-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: space-between;
}

.btn-back, .btn-next, .btn-calculate {
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-back {
    background: #f0f0f0;
    color: #333;
}

.btn-back:hover {
    background: #e0e0e0;
}

.btn-next, .btn-calculate {
    background: #8B6F47;
    color: white;
}

.btn-next:hover, .btn-calculate:hover {
    background: #6d5836;
}

.result-section {
    background: #f9f9f9;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.result-box {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.result-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn-download {
    padding: 1rem 1.5rem;
    background: #8B6F47;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background: #6d5836;
}

.result-section table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

.result-section table th,
.result-section table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.result-section table th {
    background: #f5f5f5;
    font-weight: 600;
    color: #8B6F47;
}

/* Footer */
footer {
    background-color: #2C3E50;
    color: white;
    padding: 3rem 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 2rem;
}

.footer-column h4 {
    margin-bottom: 1rem;
    color: var(--primary-brown);
}

.footer-logo {
    height: 60px;
    margin-bottom: 1rem;
}

.footer-logo img {
    height: 100%;
    width: auto;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: #CCC;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--primary-brown);
}

.footer-bottom {
    border-top: 1px solid #444;
    padding-top: 2rem;
    text-align: center;
    color: #999;
    font-size: 0.9rem;
}

/* Calculator */
.calculator-section {
    max-width: 900px;
    margin: 3rem auto;
    padding: 2rem;
}

.calculator-section h1 {
    text-align: center;
    margin-bottom: 1rem;
}

.calculator-intro {
    text-align: center;
    color: #666;
    margin-bottom: 2rem;
}

.calculator-step {
    display: none;
}

.calculator-step.active {
    display: block;
}

.step-header {
    margin-bottom: 2rem;
}

.step-header h2 {
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group label input[type="checkbox"] {
    margin-right: 0.5rem;
    vertical-align: middle;
    cursor: pointer;
}

.form-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.form-group input:not([type="checkbox"]),
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
}

.form-group input[type="checkbox"] {
    width: auto;
    padding: 0;
    border: none;
    margin-right: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.button-group {
    display: flex;
    gap: 1rem;
}

.btn-property {
    flex: 1;
    padding: 1rem;
    border: 2px solid var(--border-color);
    background-color: white;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.btn-property.active {
    border-color: var(--primary-brown);
    background-color: #F0E6D2;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

.result-section {
    background-color: #F9F9F9;
    padding: 2rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.result-item.total {
    font-weight: 600;
    font-size: 1.2rem;
    border-bottom: 2px solid var(--primary-brown);
    margin-top: 1rem;
}

/* Before/After Slider */
.before-after-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    overflow: hidden;
    border-radius: 8px;
}

.before-image {
    width: 100%;
    display: block;
}

.after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 0%;
    height: 100%;
    overflow: hidden;
    transition: width 0.1s ease-out;
}

.after-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.before-after-slider {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background-color: var(--primary-brown);
    cursor: ew-resize;
    transform: translateX(-50%);
}

.label {
    position: absolute;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 0.5rem 1rem;
    font-weight: 600;
    font-size: 0.9rem;
}

.before-label {
    top: 1rem;
    left: 1rem;
}

.after-label {
    top: 1rem;
    right: 1rem;
}

/* Projects Section */
.projects-section {
    padding: 3rem 2rem;
}

.project-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
}

.project-item.reverse {
    grid-template-columns: 1fr 1fr;
}

.project-item.reverse .before-after-container {
    order: 2;
}

.project-item.reverse .project-info {
    order: 1;
}

.project-info h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0;
}

.tag {
    background-color: #E8E8E8;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
}

.project-price {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.price-label {
    display: block;
    font-weight: 600;
    color: #666;
}

.price-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-brown);
}

/* Admin Styles */
.admin-container {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    background-color: var(--dark-text);
    color: white;
    padding: 2rem 0;
}

.admin-sidebar h2 {
    padding: 0 1.5rem;
    margin-bottom: 2rem;
    color: var(--primary-brown);
}

.admin-sidebar nav ul {
    list-style: none;
    padding: 0;
    flex-direction: column;
}

.admin-sidebar nav a {
    display: block;
    padding: 1rem 1.5rem;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s;
}

.admin-sidebar nav a:hover,
.admin-sidebar nav a.active {
    background-color: var(--primary-brown);
}

.admin-content {
    flex: 1;
    padding: 2rem;
    background-color: var(--light-bg);
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
}

.admin-table th {
    background-color: var(--primary-brown);
    color: white;
    padding: 1rem;
    text-align: left;
}

.admin-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-table tr:hover {
    background-color: #F9F9F9;
}

.config-form {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
}

.config-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.config-item label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.config-item input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .project-item {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-container {
        flex-direction: column;
    }
    
    .admin-sidebar {
        width: 100%;
    }
}