/* =========================================
   VARIABLES & DESIGN TOKENS
   ========================================= */
:root {
    /* Colors as requested */
    --color-primary: #001529; /* Navy Von Haus */
    --color-accent: #A68945;  /* Gold Real Estate */
    --color-accent-hover: #bda25b;
    
    --color-white: #ffffff;
    --color-light-bg: #f8f9fa;
    --color-dark-text: #333333;
    --color-light-text: #666666;
    --color-border: #e2e8f0;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --max-width: 1200px;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    
    /* Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

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

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.section-header .divider {
    height: 3px;
    width: 60px;
    background-color: var(--color-accent);
    margin: 0 auto var(--spacing-md);
}

.section-header p {
    color: var(--color-light-text);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    font-family: var(--font-heading);
    font-weight: 500;
    border-radius: 4px;
    cursor: pointer;
    text-align: center;
    transition: var(--transition);
    border: none;
}

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

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

/* =========================================
   HEADER & NAVIGATION
   ========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
    padding: 15px 0;
}

.header.scrolled {
    padding: 10px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 50px;
    transition: var(--transition);
}

.header.scrolled .logo img {
    height: 40px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-primary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.btn-contact {
    border: 2px solid var(--color-accent);
    padding: 0.5rem 1.5rem;
    border-radius: 4px;
    color: var(--color-accent);
}

.nav-link.btn-contact::after {
    display: none;
}

.nav-link.btn-contact:hover {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    background: none;
    border: none;
    cursor: pointer;
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    position: relative;
    background: url('https://images.unsplash.com/photo-1600596542815-ffad4c1539a9?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    margin-top: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 21, 41, 0.9) 0%, rgba(0, 21, 41, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    color: var(--color-white);
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    max-width: 600px;
}

/* =========================================
   CAROUSEL SECTION
   ========================================= */
.carousel-section {
    padding: var(--spacing-xl) 0;
}

.carousel-container {
    position: relative;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
    height: 500px;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 21, 41, 0.9), transparent);
    color: var(--color-white);
}

.slide-content h3 {
    color: var(--color-white);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    color: var(--color-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.prev-btn { left: 20px; }
.next-btn { right: 20px; }

.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background: var(--color-accent);
    transform: scale(1.2);
}

/* =========================================
   PORTFOLIO SECTION
   ========================================= */
.portfolio-section {
    padding: var(--spacing-xl) 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.property-card {
    background: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

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

.property-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.property-card:hover .property-img img {
    transform: scale(1.05);
}

.property-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.3rem 1rem;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.property-details {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.property-title {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
}

.property-desc {
    color: var(--color-light-text);
    font-size: 0.95rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.property-features {
    display: flex;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    margin-bottom: 1rem;
}

.property-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 500;
}

.property-features i {
    color: var(--color-accent);
}

.property-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
}

.btn-location {
    font-size: 0.9rem;
    color: var(--color-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.property-price {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-accent);
    font-size: 1.1rem;
}

.add-property-card {
    background: var(--color-light-bg);
    border: 2px dashed var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 450px;
    box-shadow: none;
}

.add-property-card:hover {
    border-color: var(--color-accent);
    transform: none;
    box-shadow: none;
    background: #fdfbf7;
}

.add-content i {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: 1rem;
    opacity: 0.7;
}

.add-content h3 {
    color: var(--color-light-text);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    height: 60px;
    margin-bottom: 1rem;
    /* Filtrar logo para que se vea bien en fondo oscuro si no es transparente */
    /* Lo mantenemos normal por ahora si el logo es claro, si no lo cambiamos */
}

.footer-brand p {
    color: #a0aec0;
    font-size: 0.9rem;
}

.footer h4 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer-links ul li,
.footer-contact ul li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #a0aec0;
}

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

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #a0aec0;
}

.footer-contact i {
    color: var(--color-accent);
}

.footer-bottom {
    background-color: #000c18;
    text-align: center;
    padding: 1.5rem;
    color: #718096;
    font-size: 0.85rem;
}

/* =========================================
   ANIMATIONS (REVEAL)
   ========================================= */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }

/* =========================================
   MEDIA QUERIES
   ========================================= */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--color-white);
        flex-direction: column;
        transition: var(--transition);
        padding: 2rem;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }
    
    .carousel-track {
        height: 350px;
    }
    
    .slide-content h3 {
        font-size: 1.4rem;
    }
}