/* ============================================
   MODERN REAL ESTATE STYLES
   Papudo Propiedades - Modernización 2024
   ============================================ */

/* ===== CSS Variables - Modern Color Palette ===== */
:root {
    /* Primary Colors - Professional Real Estate Palette */
    --primary-blue: #1e3a5f;
    --primary-blue-dark: #152a47;
    --primary-blue-light: #2d4f7c;
    --accent-gold: #d4af37;
    --accent-gold-light: #e8c547;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* ===== Reset & Base Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-md);
}

/* ===== Header Styles ===== */
.site-header {
    background: var(--white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    padding: var(--spacing-sm) 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
}

.header-logo {
    max-height: 80px;
    width: auto;
    object-fit: contain;
}

.header-contact {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.btn-contact {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--white);
    font-weight: 500;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.btn-contact.whatsapp {
    background-color: #25d366;
}

.btn-contact.whatsapp:hover {
    background-color: #20ba5a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-contact.phone {
    background-color: var(--accent-gold);
    color: var(--primary-blue);
}

.btn-contact.phone:hover {
    background-color: var(--accent-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ===== Navigation ===== */
.main-navbar {
    background-color: var(--primary-blue-dark);
    padding: var(--spacing-sm) 0;
}

.navbar-nav .nav-link {
    color: var(--white) !important;
    font-weight: 500;
    padding: 0.75rem 1.25rem !important;
    transition: all var(--transition-base);
    border-radius: var(--radius-sm);
    margin: 0 0.25rem;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background-color: var(--primary-blue-light);
    color: var(--accent-gold) !important;
    transform: translateY(-2px);
}

.navbar-nav .nav-link i {
    margin-right: 0.5rem;
}

/* ===== Main Content ===== */
.main-content {
    min-height: calc(100vh - 300px);
    padding: var(--spacing-xl) 0;
}

/* ===== Property Cards ===== */
.property-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.property-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.property-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.property-card-image-wrapper {
    position: relative;
    width: 100%;
    padding-top: 75%; /* 4:3 Aspect Ratio */
    overflow: hidden;
    background: var(--gray-200);
}

.property-card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.property-card:hover .property-card-image {
    transform: scale(1.1);
}

.property-card-image[loading="lazy"] {
    opacity: 0;
    transition: opacity var(--transition-base);
}

.property-card-image.loaded {
    opacity: 1;
}

/* ===== Property Carousel Styles ===== */
.property-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.property-carousel .carousel-inner {
    width: 100%;
    height: 100%;
}

.property-carousel .carousel-item {
    width: 100%;
    height: 100%;
    position: relative;
    transition: transform 0.8s ease-in-out; /* Transición más lenta y suave */
}

/* Reducir velocidad de transición del carrusel */
.property-carousel.carousel-slide .carousel-item {
    transition: transform 0.8s ease-in-out;
}

.property-carousel .carousel-item-next:not(.carousel-item-start),
.property-carousel .active.carousel-item-end {
    transform: translateX(100%);
}

.property-carousel .carousel-item-prev:not(.carousel-item-end),
.property-carousel .active.carousel-item-start {
    transform: translateX(-100%);
}

.property-carousel .carousel-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.property-carousel .carousel-image:hover {
    transform: scale(1.05);
}

/* Imágenes con carga diferida - placeholder mientras cargan */
.property-carousel .carousel-image.lazy-load {
    background: var(--gray-200);
    min-height: 100%;
}

.property-carousel .carousel-image.lazy-load[data-src] {
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.property-carousel .carousel-image.lazy-load.loaded {
    opacity: 1;
}

/* Carousel Controls - Ocultos por defecto, solo visibles en hover */
.property-carousel .carousel-control-prev,
.property-carousel .carousel-control-next {
    width: 40px;
    height: 40px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(30, 58, 95, 0.9);
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
    z-index: 5;
    cursor: pointer;
}

/* Mostrar controles solo cuando se hace hover sobre el carrusel */
.property-card-image-wrapper:hover .carousel-control-prev,
.property-card-image-wrapper:hover .carousel-control-next {
    opacity: 1;
    visibility: visible;
}

.property-carousel .carousel-control-prev {
    left: 10px;
}

.property-carousel .carousel-control-next {
    right: 10px;
}

.property-carousel .carousel-control-prev-icon,
.property-carousel .carousel-control-next-icon {
    width: 20px;
    height: 20px;
    background-size: 20px 20px;
}

.property-carousel .carousel-control-prev:hover,
.property-carousel .carousel-control-next:hover {
    background: rgba(30, 58, 95, 1);
}

/* Carousel Indicators - Ocultos por defecto, se pueden mostrar si se necesita */
.property-carousel .carousel-indicators {
    bottom: 10px;
    margin-bottom: 0;
    z-index: 5;
}

.property-carousel .carousel-indicators button {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.8);
    opacity: 0.7;
    transition: all var(--transition-base);
}

.property-carousel .carousel-indicators button.active {
    background-color: var(--accent-gold);
    border-color: var(--accent-gold);
    opacity: 1;
    width: 24px;
    border-radius: 4px;
}

/* Reducir velocidad de transición del carrusel - Sobrescribir Bootstrap */
.property-carousel .carousel-item {
    transition: transform 0.8s ease-in-out !important;
}

.property-carousel .carousel-item-next,
.property-carousel .carousel-item-prev {
    position: relative;
    transform: translate3d(0, 0, 0);
}

.property-carousel .carousel-item-next:not(.carousel-item-start),
.property-carousel .active.carousel-item-end {
    transform: translate3d(100%, 0, 0);
    transition: transform 0.8s ease-in-out !important;
}

.property-carousel .carousel-item-prev:not(.carousel-item-end),
.property-carousel .active.carousel-item-start {
    transform: translate3d(-100%, 0, 0);
    transition: transform 0.8s ease-in-out !important;
}

.property-card-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--accent-gold);
    color: var(--primary-blue);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    z-index: 10;
}

.property-card-body {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.property-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.property-card-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: var(--spacing-sm);
}

.property-card-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--gray-200);
}

.property-detail-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-600);
    font-size: 0.9rem;
}

.property-detail-item i {
    color: var(--primary-blue);
}

.property-card-description {
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.6;
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.property-card-footer {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.btn-view-details {
    flex: 1;
    background: var(--primary-blue);
    color: var(--white);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: all var(--transition-base);
    display: inline-block;
}

.btn-view-details:hover {
    background: var(--primary-blue-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--white);
}

/* ===== Image Gallery / Lightbox ===== */
.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-lg) 0;
}

.gallery-item {
    position: relative;
    cursor: pointer;
    overflow: hidden;
    border-radius: var(--radius-md);
    aspect-ratio: 4/3;
    background: var(--gray-200);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

/* Lightbox Modal */
.lightbox-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn var(--transition-base);
}

.lightbox-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--white);
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color var(--transition-base);
}

.lightbox-close:hover {
    color: var(--accent-gold);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    border: none;
    padding: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
    left: -60px;
}

.lightbox-next {
    right: -60px;
}

/* ===== Hero Section ===== */
.hero-section {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    color: var(--white);
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

/* ===== News/Portada Cards ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.news-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.news-card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.news-card-body {
    padding: var(--spacing-md);
}

.news-card-title {
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.news-card-text {
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-600);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--primary-blue-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

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

.footer-logo {
    max-height: 50px;
    width: auto;
}

.footer-text {
    margin: 0;
    color: var(--gray-300);
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-link {
    color: var(--white);
    text-decoration: none;
    transition: color var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-link:hover {
    color: var(--accent-gold);
}

.footer-counter {
    font-size: 0.875rem;
    color: var(--gray-400);
}

/* ===== Loading States ===== */
.loading-placeholder {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .property-grid {
        grid-template-columns: 1fr;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .header-contact {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .btn-contact {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .lightbox-nav {
        display: none;
    }
    
    .lightbox-content {
        max-width: 95%;
    }
}

/* ===== Utility Classes ===== */
.text-gold {
    color: var(--accent-gold);
}

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

.shadow-custom {
    box-shadow: var(--shadow-lg);
}

.fade-in {
    animation: fadeIn var(--transition-base);
}