/* Color Scheme */
:root {
    --primary-blue: #2563eb;
    --primary-blue-dark: #1e40af;
    --accent-gold: #f59e0b;
    --accent-orange: #ea580c;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --success: #10b981;
    --error: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

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

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: baseline;
    text-decoration: none;
    color: var(--gray-900);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-left: 0.25rem;
}

.nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-800);
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background: var(--primary-blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: 6rem 0;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.highlight {
    color: var(--accent-gold);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* Sections */
.section {
    padding: 5rem 0;
}

.section-alt {
    background: var(--gray-50);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--gray-900);
}

.section-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.section-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.section-content-reverse {
    grid-template-columns: 1fr 1fr;
}

.section-content-reverse .section-text {
    order: 2;
}

.section-content-reverse .section-image {
    order: 1;
}

.section-text {
    padding: 2rem 0;
}

.section-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step-card h3 {
    margin-bottom: 1rem;
    color: var(--gray-900);
}

/* Feature List */
.feature-list {
    list-style: none;
    margin: 2rem 0;
}

.feature-list li {
    padding: 0.75rem 0;
    font-size: 1.1rem;
    color: var(--gray-700);
}

/* Illustrations */
.illustration {
    width: 300px;
    height: 300px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
}

.illustration-house {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-dark));
    color: var(--white);
}

.illustration-money {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-orange));
    color: var(--white);
}

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.benefit-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.benefit-card h3 {
    margin-bottom: 1rem;
    color: var(--gray-900);
}

/* Testimonials */
.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    margin-bottom: 1.5rem;
    font-style: italic;
    color: var(--gray-700);
}

.testimonial-author strong {
    display: block;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.testimonial-author span {
    color: var(--gray-600);
    font-size: 0.9rem;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 8px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.3s;
}

.faq-question:hover {
    background: var(--gray-50);
}

.faq-question h3 {
    font-size: 1.1rem;
    margin: 0;
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-blue);
    transition: transform 0.3s;
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
    padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 1.5rem 1.5rem;
}

.faq-answer p {
    color: var(--gray-600);
    line-height: 1.8;
}

/* Contact */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.contact-details {
    margin-top: 2rem;
}

.contact-details p {
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: 1rem;
}

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

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

.footer-section a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--white);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-400);
}

/* Auth Pages */
.auth-section {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    padding: 4rem 0;
}

.auth-card {
    max-width: 500px;
    margin: 0 auto;
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.auth-card h1 {
    text-align: center;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.user-type-selector {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.type-btn {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    background: var(--white);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s;
}

.type-btn.active {
    background: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input {
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--gray-600);
}

.auth-footer a {
    color: var(--primary-blue);
    text-decoration: none;
}

.message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.message-success {
    background: #d1fae5;
    color: #065f46;
}

.message-error {
    background: #fee2e2;
    color: #991b1b;
}

.message-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Dashboard */
.dashboard-section {
    padding: 3rem 0;
    min-height: calc(100vh - 200px);
}

.dashboard-subtitle {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.dashboard-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.dashboard-card h2 {
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

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

.loan-calculator {
    margin-bottom: 2rem;
}

.loan-results {
    margin-top: 2rem;
}

.loan-summary {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.loan-offers {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.loan-offer {
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    padding: 1.5rem;
    transition: border-color 0.3s;
}

.loan-offer:hover {
    border-color: var(--primary-blue);
}

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

.interest-rate {
    background: var(--accent-gold);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
}

.offer-details {
    margin-bottom: 1rem;
}

.offer-details p {
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.loan-requests-list,
.investments-list,
.loans-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.loan-request-item,
.investment-item {
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    padding: 1.5rem;
}

.loan-item {
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

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

.loan-details {
    margin-bottom: 1rem;
}

.loan-details p {
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.loan-invest {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.loan-invest input {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
}

.status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.status-pending {
    background: #fef3c7;
    color: #92400e;
}

.status-active {
    background: #d1fae5;
    color: #065f46;
}

.status-completed {
    background: #dbeafe;
    color: #1e40af;
}

.status-rejected {
    background: #fee2e2;
    color: #991b1b;
}

/* Admin Panel */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat-card h3 {
    font-size: 0.9rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

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

.table-container {
    overflow-x: auto;
}

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

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.data-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-900);
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.badge-buyer {
    background: #dbeafe;
    color: #1e40af;
}

.badge-investor {
    background: #fef3c7;
    color: #92400e;
}

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

.modal-content {
    background-color: var(--white);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
}

.close-modal {
    color: var(--gray-600);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 1rem;
    top: 1rem;
}

.close-modal:hover {
    color: var(--gray-900);
}

.modal-content h2 {
    margin-bottom: 1.5rem;
}

.modal-content .form-group {
    margin-bottom: 1rem;
}

.modal-content .form-group small {
    display: block;
    color: var(--gray-600);
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.modal-content textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    resize: vertical;
}

.modal-content textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        transform: translateX(-100%);
        transition: transform 0.3s;
        z-index: 999;
    }

    .nav.active {
        transform: translateX(0);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .section-content {
        grid-template-columns: 1fr;
    }

    .section-content-reverse .section-text {
        order: 1;
    }

    .section-content-reverse .section-image {
        order: 2;
    }

    .hero-stats {
        gap: 2rem;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .loan-invest {
        flex-direction: column;
    }

    .loan-invest input {
        width: 100%;
    }
}