/* ========================================
   GOLDEN LINE - LUXURY REAL ESTATE WEBSITE
   Theme: Black & Gold Premium
   ======================================== */

/* ===== VARIABLES ===== */
:root {
    /* Colors */
    --color-black: #0f0f0f;
    --color-black-light: #1a1a1a;
    --color-black-lighter: #252525;
    --color-gold: #c6a75e;
    --color-gold-light: #d4b876;
    --color-gold-dark: #b8954a;
    --color-white: #ffffff;
    --color-white-warm: #f5f5f0;
    --color-gray: #8a8a8a;
    --color-gray-light: #b0b0b0;
    
    /* Gradients */
    --gradient-gold: linear-gradient(135deg, #c6a75e 0%, #d4b876 50%, #c6a75e 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(15,15,15,0.8) 0%, rgba(15,15,15,0.5) 100%);
    
    /* Fonts */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-gold: 0 4px 20px rgba(198,167,94,0.3);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-black);
    color: var(--color-white-warm);
    line-height: 1.6;
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    transition: var(--transition-normal);
}

input, select, textarea {
    font-family: inherit;
    border: none;
    outline: none;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition-normal);
    padding: var(--spacing-sm) 0;
}

.navbar.scrolled {
    background-color: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gold);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    letter-spacing: 2px;
    transition: var(--transition-normal);
}

.logo img {
    height: 45px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-normal);
    filter: brightness(0.85) saturate(1.3) contrast(1.1);
}

.logo i {
    font-size: 1.8rem;
}

.logo:hover {
    color: var(--color-gold-light);
    transform: scale(1.05);
}

.logo:hover img {
    filter: brightness(1.0) saturate(1.4) contrast(1.1);
    transform: scale(1.05);
}

.logo:hover img {
    filter: brightness(1.2);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--color-white-warm);
    font-weight: 500;
    font-size: 0.95rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition-normal);
    letter-spacing: 0.5px;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-gold);
}

.btn-admin {
    background: var(--gradient-gold);
    color: var(--color-black) !important;
    padding: var(--spacing-xs) var(--spacing-sm) !important;
    border-radius: 6px;
    font-weight: 600;
    box-shadow: var(--shadow-gold);
}

.btn-admin:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(198,167,94,0.4);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-gold);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--color-white);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://images.unsplash.com/photo-1600596542815-ffad4c1539a9?w=1920') center/cover no-repeat;
    background-attachment: fixed;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-overlay);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-gold);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.8);
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--color-white-warm);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-md);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-gold);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

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

@keyframes bounce {
    0%, 100% { transform: translate(-50%, 0); }
    50% { transform: translate(-50%, 10px); }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.9rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-normal);
    letter-spacing: 0.5px;
    cursor: pointer;
}

.btn-gold {
    background: var(--gradient-gold);
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(198,167,94,0.5);
}

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

.btn-outline-gold:hover {
    background: var(--color-gold);
    color: var(--color-black);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
}

.btn-danger {
    background: #c62828;
    color: var(--color-white);
}

.btn-danger:hover {
    background: #b71c1c;
}

/* ===== SEARCH SECTION ===== */
.search-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-black-light);
    margin-top: -80px;
    position: relative;
    z-index: 10;
}

.search-box {
    background: var(--color-black-lighter);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(198,167,94,0.2);
}

.section-title-small {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-gold);
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

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

.search-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
}

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

.form-group label {
    color: var(--color-gold);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group input,
.form-group select {
    background: var(--color-black);
    color: var(--color-white-warm);
    padding: 0.9rem;
    border-radius: 8px;
    border: 1px solid rgba(198,167,94,0.3);
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(198,167,94,0.1);
}

.form-group-submit {
    display: flex;
    align-items: flex-end;
}

.btn-search {
    width: 100%;
    justify-content: center;
}

/* ===== SECTIONS ===== */
section {
    padding: var(--spacing-xl) 0;
}

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

.section-title {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-gray-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

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

/* ===== FEATURED SECTION ===== */
.featured-section {
    background: var(--color-black-light);
}

.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
}

.property-card {
    background: var(--color-black-lighter);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid rgba(198,167,94,0.1);
    cursor: pointer;
}

.property-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-gold);
}

.property-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.property-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.property-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--gradient-gold);
    color: var(--color-black);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.property-status {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

.status-disponibile {
    background: rgba(76, 175, 80, 0.9);
    color: white;
}

.status-trattativa {
    background: rgba(255, 152, 0, 0.9);
    color: white;
}

.property-content {
    padding: var(--spacing-md);
}

.property-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.property-location {
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.property-location i {
    color: var(--color-gold);
}

.property-price {
    font-size: 2rem;
    color: var(--color-gold);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
}

.property-features {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--color-gray-light);
    font-size: 0.9rem;
}

.feature i {
    color: var(--color-gold);
}

.property-footer {
    display: flex;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(198,167,94,0.2);
}

.property-footer .btn {
    flex: 1;
    justify-content: center;
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
}

/* ===== LOADING ===== */
.loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--color-gold);
}

.loading i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.loading p {
    font-size: 1.2rem;
    color: var(--color-gray-light);
}

/* ===== WHY SECTION ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-black-lighter);
    padding: var(--spacing-lg);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(198,167,94,0.1);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-black);
    box-shadow: var(--shadow-gold);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.feature-card p {
    color: var(--color-gray-light);
    line-height: 1.8;
}

/* ===== TESTIMONIALS ===== */
.testimonials-section {
    background: var(--color-black-light);
}

.testimonials-slider {
    display: flex;
    overflow: hidden;
    position: relative;
    min-height: 300px;
}

.testimonial-card {
    min-width: 100%;
    padding: var(--spacing-lg);
    background: var(--color-black-lighter);
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(198,167,94,0.2);
    display: none;
}

.testimonial-card.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.testimonial-stars {
    color: var(--color-gold);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-white-warm);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.testimonial-author strong {
    display: block;
    color: var(--color-gold);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.testimonial-author span {
    color: var(--color-gray-light);
    font-size: 0.95rem;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-black-lighter);
    color: var(--color-gold);
    border: 2px solid var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition-normal);
}

.slider-btn:hover {
    background: var(--color-gold);
    color: var(--color-black);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    gap: var(--spacing-xs);
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-black-lighter);
    border: 2px solid var(--color-gold);
    cursor: pointer;
    transition: var(--transition-normal);
}

.slider-dot.active {
    background: var(--color-gold);
    transform: scale(1.3);
}

/* ===== CTA SECTION ===== */
.cta-section {
    position: relative;
    padding: var(--spacing-xl) 0;
    background: url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=1920') center/cover;
    background-attachment: fixed;
    color: var(--color-white);
    text-align: center;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 15, 0.85);
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-white-warm);
    line-height: 1.8;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-black);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 2px solid var(--color-gold);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-gold);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
}

.footer-logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
    filter: brightness(0.85) saturate(1.3) contrast(1.1);
}

.footer-description {
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-black-lighter);
    border: 2px solid var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gold);
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--color-gold);
    color: var(--color-black);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--color-gold);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    font-family: var(--font-heading);
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--color-gray-light);
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-light);
}

.footer-contact i {
    color: var(--color-gold);
    width: 20px;
}

.footer-contact a {
    color: var(--color-gray-light);
}

.footer-contact a:hover {
    color: var(--color-gold);
}

.footer-bottom {
    border-top: 1px solid rgba(198,167,94,0.2);
    padding-top: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    color: var(--color-gray);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-md);
}

.footer-legal a {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.footer-legal a:hover {
    color: var(--color-gold);
}

/* ===== FLOAT BUTTONS ===== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25d366;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    transition: var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 40px rgba(37, 211, 102, 0.5);
}

.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-gold);
    color: var(--color-black);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    box-shadow: var(--shadow-gold);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(198,167,94,0.5);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 15, 15, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-normal);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .search-grid {
        grid-template-columns: 1fr;
    }
    
    .properties-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .whatsapp-float,
    .scroll-top {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}