:root {
    --primary-color: #2e7d32;
    --secondary-color: #4caf50;
    --accent-color: #8bc34a;
    --light-color: #f1f8e9;
    --dark-color: #1b5e20;
    --text-color: #263238;
    --text-light: #607d8b;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 5px 10px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15), 0 10px 10px rgba(0,0,0,0.05);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
/* 3D Card Effect */
.card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    transform: translateY(0) scale(1);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* Glassmorphism effect */
.glass {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Floating animation */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

.floating {
    animation: float 6s ease-in-out infinite;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: #f5f5f5;
    overflow-x: hidden;
}

@supports (font-variation-settings: normal) {
    body {
        font-family: 'Inter var', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    }
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--dark-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-color);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 500;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--dark-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Hero Section */
.hero {
    padding: 7rem 0 5rem;
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(76, 175, 80, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    animation: float 15s infinite linear;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.hero h1 span {
    color: var(--accent-color);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin-bottom: 2rem;
}

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

.hero-image {
    margin-top: 3rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transform: perspective(1000px) rotateX(10deg);
    transition: var(--transition);
}

.hero-image:hover {
    transform: perspective(1000px) rotateX(5deg);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 16px;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background-color: white;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.card-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.8rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.feature-card:hover .card-icon {
    background-color: var(--primary-color);
    color: white;
    transform: rotateY(180deg);
}

.feature-card h3 {
    margin-bottom: 1rem;
}

/* How It Works Section */
.how-it-works {
    padding: 5rem 0;
    background-color: var(--light-color);
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: 3rem;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step {
    position: relative;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.step:hover .step-number {
    background-color: var(--accent-color);
    transform: scale(1.1);
}

.step h3 {
    margin-bottom: 1rem;
}

/* Dashboard Styles */
.dashboard {
    padding: 7rem 0 3rem;
    background-color: #f5f7fa;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-actions {
    display: flex;
    gap: 1rem;
}
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

#salesTable {
    width: 100%;
}

#salesTable th {
    position: sticky;
    top: 0;
    background: white;
    z-index: 10;
}

#salesTable tbody tr:hover {
    background-color: rgba(0,0,0,0.02);
}
.dashboard-card {
    background: white;
    padding: 1.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.dashboard-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
}
.dashboard-card.wide {
    grid-column: span 2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.stat-card h3 {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    color: var(--primary-color);
}
.chart-container {
    height: 300px;
    margin-top: 1rem;
}

.data-table {
    margin-top: 1rem;
    overflow-x: auto;
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th, .data-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    font-weight: 500;
    color: var(--text-light);
}

.status {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.status.completed {
    background-color: #e8f5e9;
    color: #2e7d32;
}

.status.pending {
    background-color: #fff8e1;
    color: #ff8f00;
}

/* Upload Page Styles */
.upload {
    padding: 7rem 0 3rem;
    background-color: #f5f7fa;
}

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

.subtitle {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.upload-container {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .upload-container {
        flex-direction: column;
    }
}

.upload-box {
    flex: 1;
    background: white;
    border: 2px dashed #e0e0e0;
    border-radius: 16px;
    padding: 3rem;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
}

.upload-box:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.upload-box i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.upload-box h3 {
    margin-bottom: 0.5rem;
}

.upload-box p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.file-preview {
    flex: 1;
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.file-types {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin: 1.5rem 0;
}

.file-type {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background-color: #f5f5f5;
    border-radius: 8px;
}

.file-type i {
    color: var(--primary-color);
}

.file-requirements {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #eee;
}

.file-requirements h4 {
    margin-bottom: 0.5rem;
}

.file-requirements ul {
    padding-left: 1.5rem;
    color: var(--text-light);
}

.data-preview {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

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

/* About Page Styles */
.about-hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
    color: white;
    text-align: center;
}

.about-hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

.about-content {
    padding: 5rem 0;
    background-color: white;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

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

.about-text h2 {
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

.about-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

.team {
    padding: 5rem 0;
    background-color: #f5f7fa;
    text-align: center;
}

.team h2 {
    margin-bottom: 3rem;
}

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

.team-member {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.member-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 1.5rem;
    border: 5px solid var(--light-color);
}

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

.team-member h3 {
    margin-bottom: 0.5rem;
}

.team-member p {
    color: var(--text-light);
}
.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--secondary-color);
    text-decoration: none;
}

nav {
    display: flex;
    gap: 1.5rem;
}

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

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

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

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

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

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

.btn:hover {
    background-color: #c0392b;
}
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: 0 1rem;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                url('https://static.photos/cityscape/1200x630/1');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -1;
}

.hero-content {
    transform: translateZ(0);
    will-change: transform;
    max-width: 1200px;
    margin: 0 auto;
}
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.search-box {
    background-color: white;
    border-radius: 8px;
    padding: 1rem;
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.tabs {
    display: flex;
    margin-bottom: 1rem;
}

.tabs button {
    flex: 1;
    padding: 0.75rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 600;
}

.tabs button.active {
    border-bottom: 2px solid var(--secondary-color);
    color: var(--secondary-color);
}

.search-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
}

.search-filters select, 
.search-filters input {
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.btn-search {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
}

section {
    margin: 3rem 0;
}

h2 {
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.property-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.property-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.property-image {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.property-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: var(--secondary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
}

.property-details {
    padding: 1rem;
}

.property-price {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.property-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.property-location {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.property-features {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.category-card .icon {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.category-card h3 {
    margin-bottom: 0.5rem;
}

.category-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

footer {
    background-color: var(--primary-color);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-column h3 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-column a {
    display: block;
    color: #bdc3c7;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: white;
}

.footer-column a i {
    margin-right: 0.5rem;
}

.copyright {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
    font-size: 0.9rem;
}
/* Responsive Styles */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .dashboard-card.wide {
        grid-column: span 1;
    }
    
    .dashboard-actions {
        flex-direction: column;
        gap: 0.5rem;
    }
}