/**
 * Urban Haven - Real Estate Theme Styles
 * Modern, responsive, optimized CSS for all sections
 */

/* ==========================================================================
   Root Variables & Base Styles
   ========================================================================== */

:root {
    /* Colors */
    --color-primary: #1a1a1a;
    --color-secondary: #ffffff;
    --color-accent: #2c3e50;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #e0e0e0;
    --color-bg-light: #f8f9fa;
    --color-overlay: rgba(0, 0, 0, 0.6);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --line-height-base: 1.6;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    text-align: center;
}

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

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

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

.btn-white:hover {
    background: var(--color-bg-light);
    transform: translateY(-2px);
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   Navbar Styles
   ========================================================================== */

.urban-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: all var(--transition-base);
    padding: var(--spacing-sm) 0;
}

.urban-navbar.scrolled {
    background: var(--color-primary);
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo a {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-secondary);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links {
    display: none;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.nav-links a:hover {
    opacity: 0.8;
}

.mobile-menu-toggle {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-secondary);
    margin: 5px 0;
    transition: all var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-overlay);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-lg) var(--spacing-sm);
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

/* ==========================================================================
   Search Section
   ========================================================================== */

.search-section {
    background: var(--color-secondary);
    padding: var(--spacing-lg) 0;
    margin-top: -4rem;
    position: relative;
    z-index: 10;
}

.search-wrapper {
    background: var(--color-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
}

.property-search-form {
    margin-bottom: var(--spacing-md);
}

.search-form-grid {
    display: grid;
    gap: var(--spacing-sm);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .search-form-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.search-input,
.search-select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.search-input:focus,
.search-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.search-icon {
    margin-right: var(--spacing-xs);
}

/* Stats Counter */
.stats-counter {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
}

/* ==========================================================================
   Partners Section
   ========================================================================== */

.partners-section {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-light);
    position: relative;
    z-index: 5;
}

.partners-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.partners-subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
}

.partners-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

@media (min-width: 768px) {
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.partner-item {
    background: var(--color-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.partner-icon {
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.partner-name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.partner-description {
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

/* ==========================================================================
   Why Choose Section
   ========================================================================== */

.why-choose-section {
    padding: var(--spacing-xl) 0;
    position: relative;
    z-index: 5;
}

.why-choose-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 968px) {
    .why-choose-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-base);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature-item {
    display: flex;
    gap: var(--spacing-sm);
}

.feature-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-description {
    color: var(--color-text-light);
    line-height: var(--line-height-base);
}

.why-choose-cta {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
}

.cta-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.cta-text {
    color: var(--color-text-light);
    line-height: var(--line-height-base);
    margin-bottom: var(--spacing-sm);
}

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

.image-placeholder {
    width: 100%;
    height: 500px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.placeholder-content {
    text-align: center;
    color: var(--color-text-light);
}

/* ==========================================================================
   Explore Listings Section
   ========================================================================== */

.explore-listings-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
    position: relative;
    z-index: 5;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

.listings-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .listings-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 968px) {
    .listings-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.listing-card {
    position: relative;
    height: 350px;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-base);
}

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

.listing-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

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

.listing-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.listing-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    z-index: 1;
}

.listing-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    color: var(--color-secondary);
    z-index: 2;
}

.listing-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.listing-description {
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

/* ==========================================================================
   Ready to Find Section
   ========================================================================== */

.ready-to-find-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-primary);
    color: var(--color-secondary);
    position: relative;
    z-index: 5;
}

.ready-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .ready-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.ready-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.ready-description {
    line-height: var(--line-height-base);
    opacity: 0.9;
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-primary);
    color: var(--color-secondary);
    position: relative;
    z-index: 5;
}

.services-section .section-title,
.services-section .section-subtitle {
    color: var(--color-secondary);
}

.services-section .section-subtitle {
    opacity: 0.9;
}

.services-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 968px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-base), background var(--transition-base);
}

.service-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.08);
}

.service-icon {
    margin-bottom: var(--spacing-sm);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    line-height: var(--line-height-base);
    opacity: 0.9;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-light);
    position: relative;
    z-index: 5;
}

.contact-grid {
    display: grid;
    gap: var(--spacing-lg);
    grid-template-columns: 1fr;
}

@media (min-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.map-placeholder {
    height: 100%;
    min-height: 400px;
    background: var(--color-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-embed {
    width: 100%;
    height: 100%;
}

.map-embed iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.contact-form-wrapper {
    background: var(--color-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* Form Styles */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-row {
    display: grid;
    gap: var(--spacing-sm);
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.form-group label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.form-control {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    transition: border-color var(--transition-fast);
}

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

.form-control.error {
    border-color: #dc3545;
}

.error-message {
    display: none;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.error-message.visible {
    display: block;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Alerts */
.alert {
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Spinner */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: var(--color-primary);
    color: var(--color-secondary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: 1fr;
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 968px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-brand {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.footer-description {
    line-height: var(--line-height-base);
    opacity: 0.8;
    margin-bottom: var(--spacing-sm);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-secondary);
    transition: background var(--transition-fast);
}

.social-links a:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-menu a {
    color: var(--color-secondary);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-menu a:hover {
    opacity: 1;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-item {
    display: flex;
    gap: var(--spacing-xs);
    opacity: 0.8;
}

.contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.contact-item a:hover {
    opacity: 0.8;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.copyright {
    margin: 0;
    opacity: 0.7;
}

.footer-bottom-menu {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-bottom-menu a {
    color: var(--color-secondary);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.footer-bottom-menu a:hover {
    opacity: 1;
}

/* ==========================================================================
   Responsive Utilities
   ========================================================================== */

@media (max-width: 767px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        padding: var(--spacing-lg) var(--spacing-md);
        transition: right var(--transition-base);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        width: 100%;
    }

    .nav-cta {
        width: 100%;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 1 !important;
}