:root {
    /* Colors */
    --color-primary: #0056b3; /* Vibrant Institutional Blue */
    --color-primary-dark: #004494;
    --color-anthracite: #1f2937;
    --color-anthracite-dark: #111827;
    --color-light: #f3f4f6;
    --color-white: #ffffff;
    --color-gray: #6b7280;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Transitions */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-anthracite-dark);
}

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

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-center { text-align: center; }
.text-accent { color: var(--color-primary); }
.text-white { color: var(--color-white); }
.text-lg { font-size: 1.125rem; }
.text-muted { color: var(--color-gray); }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-4 { margin-bottom: 1.5rem; }
.ml-2 { margin-left: 0.5rem; }

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background-color: rgba(0, 86, 179, 0.1);
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.badge-light {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(0, 86, 179, 0.39);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.23);
    color: white;
}

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

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

.btn-glass {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.icon-sm {
    width: 1.25rem;
    height: 1.25rem;
}

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-img {
    height: 40px;
    width: auto;
    border-radius: 4px;
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    transition: var(--transition);
}

.navbar.scrolled .brand-text {
    color: var(--color-anthracite);
}

.nav-links {
    display: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-white);
    font-weight: 500;
    position: relative;
}

.navbar.scrolled .nav-links a {
    color: var(--color-anthracite);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-actions .btn-outline {
    border-color: rgba(255,255,255,0.5);
    color: var(--color-white);
}

.navbar.scrolled .nav-actions .btn-outline {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.navbar.scrolled .nav-actions .btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.mobile-menu-btn {
    background: none;
    border: none;
    color: var(--color-white);
    cursor: pointer;
    display: flex;
}

.navbar.scrolled .mobile-menu-btn {
    color: var(--color-anthracite);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--color-white);
    z-index: 1001;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 2rem;
    box-shadow: -10px 0 20px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.mobile-menu.open {
    right: 0;
}

.close-menu-btn {
    align-self: flex-end;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-anthracite);
    margin-bottom: 2rem;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-link {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-anthracite);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('hero_bg.png');
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(10, 37, 64, 0.85), rgba(10, 37, 64, 0.4));
    z-index: -1;
}

.hero-content {
    color: var(--color-white);
    max-width: 800px;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    color: var(--color-white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-white);
    animation: bounce 2s infinite;
}

/* Animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-20px) translateX(-50%); }
    60% { transform: translateY(-10px) translateX(-50%); }
}

.animate-fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

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

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.service-icon-wrapper {
    width: 60px;
    height: 60px;
    background-color: rgba(0, 86, 179, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon-wrapper {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Properties Grid */
.header-split {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.filters {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-gray);
    background: transparent;
    border-radius: 9999px;
    cursor: pointer;
    font-weight: 500;
    color: var(--color-gray);
    transition: var(--transition);
}

.filter-btn:hover, .filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.properties-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 3rem;
}

.property-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.property-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.property-img {
    height: 250px;
    width: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.property-img-wrapper {
    position: relative;
    overflow: hidden;
}

.property-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 1;
}

.property-content {
    padding: 1.5rem;
}

.property-price {
    color: var(--color-primary);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.property-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.property-location {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gray);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.property-features {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-light);
    color: var(--color-gray);
    font-size: 0.875rem;
}

.property-feature {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* About Section */
.about-section {
    position: relative;
    overflow: hidden;
}

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

.about-section h2 {
    color: var(--color-white);
}

.features-list {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 500;
}

.features-list i {
    color: var(--color-primary);
}

.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    text-align: center;
}

.about-logo {
    max-width: 200px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat h3 {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.icon-box {
    width: 48px;
    height: 48px;
    background-color: rgba(0, 86, 179, 0.1);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.qr-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--color-light);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.qr-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.qr-img {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
}

.qr-text {
    font-weight: 600;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(0,0,0,0.05);
}

.contact-form h3 {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

/* Footer */
.footer {
    background-color: var(--color-anthracite-dark);
    color: var(--color-gray);
    padding-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    margin-top: 1rem;
}

.footer-logo {
    height: 50px;
    border-radius: 4px;
}

.footer-links h4,
.footer-social h4 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    font-family: var(--font-heading);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a:hover {
    color: var(--color-white);
    padding-left: 0.5rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

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

.social-icons a:hover {
    background-color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.875rem;
}

/* Media Queries */
@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: none;
    }
    
    .nav-actions .btn-outline {
        display: inline-flex;
    }
    
    .header-split {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-end;
    }
    
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .properties-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1.5fr;
    }
    
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .properties-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}