/* ==========================================
   CSS VARIABLES & RESET
   ========================================== */

:root {
    /* Colors - Elegant luxury palette */
    --color-primary: #1a1a1a;
    --color-secondary: #2c2c2c;
    --color-accent: #c9a96e;
    --color-light: #f5f5f5;
    --color-white: #ffffff;
    --color-gray: #999999;
    --color-border: #e0e0e0;
    
    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Layout */
    --max-width: 1400px;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--color-primary);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    display: block;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.3px;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: var(--color-accent);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: 60px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><pattern id="grid" width="50" height="50" patternUnits="userSpaceOnUse"><path d="M 50 0 L 0 0 0 50" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.hero-logo {
    margin-bottom: var(--spacing-md);
}

.hero-logo img {
    height: auto;
    width: 100%;
    max-width: 600px;
    display: block;
    margin: 0 auto;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 10vw, 7rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.hero-link {
    color: inherit;
    text-decoration: none;
    cursor: pointer;
}

.hero-link:hover {
    color: inherit;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    flex-wrap: nowrap;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
    letter-spacing: 0.5px;
}

/* ==========================================
   SECTION HEADERS
   ========================================== */

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

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-title-large {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.section-title-hero {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    line-height: 1.3;
    max-width: 600px;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 500px;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */

.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.about-main p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-md);
}

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

.feature-card {
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 3px solid var(--color-accent);
}

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

.feature-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-secondary);
}

/* ==========================================
   OFFER SECTION
   ========================================== */

.offer {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-light);
}

.offer-hero {
    width: 100%;
    margin: var(--spacing-lg) 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.carousel-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    background: #f0ede8;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 620px;
    line-height: 0;
}

.carousel-slide {
    width: 100%;
    height: 100%;
    display: none;
    object-fit: contain;
    object-position: center;
}

.carousel-slide.active {
    display: block;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.85);
    border: none;
    color: var(--color-primary);
    font-size: 2.5rem;
    line-height: 1;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.carousel-btn:hover {
    background: rgba(255,255,255,1);
    transform: translateY(-50%) scale(1.08);
}

.carousel-btn-prev {
    left: 16px;
}

.carousel-btn-next {
    right: 16px;
}

.carousel-dots {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.55);
    cursor: pointer;
    transition: background 0.2s;
    border: 1.5px solid rgba(255,255,255,0.8);
}

.carousel-dot.active {
    background: #fff;
}

.offer-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    align-items: end;
}

.offer-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.offer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.offer-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: var(--spacing-sm);
}

.offer-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
}

.offer-card p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-secondary);
}

.offer-image-wrapper {
    margin-top: auto;
    padding-top: var(--spacing-md);
}

.offer-thumbnail {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    transition: transform 0.3s ease, opacity 0.3s ease;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.offer-thumbnail:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

/* ==========================================
   APARTMENTS SECTION
   ========================================== */

.apartments {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

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

.apartment-card {
    background: var(--color-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
}

.apartment-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.apartment-badge {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
    width: fit-content;
}

.apartment-location {
    font-size: 0.9rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-xs);
}

.apartment-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    color: var(--color-primary);
}

.apartment-description {
    flex: 1;
    margin-bottom: var(--spacing-md);
}

.apartment-description p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.apartment-description ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-sm) 0;
}

.apartment-description li {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-secondary);
    padding-left: 1.5rem;
    position: relative;
}

.apartment-description li:before {
    content: "•";
    color: var(--color-accent);
    font-weight: bold;
    position: absolute;
    left: 0.5rem;
}

.btn-view-plan {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-primary);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.btn-view-plan:hover {
    background: #d4b57a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(201, 169, 110, 0.3);
}

.apartment-size {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    margin-top: auto;
}

.size-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-accent);
}

.size-unit {
    font-size: 1rem;
    color: var(--color-gray);
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    color: var(--color-white);
}

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

.contact-info h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 300;
    margin-bottom: var(--spacing-sm);
}

.contact-info p {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.7;
}

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

.form-group {
    width: 100%;
}

.form-group input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.15);
}

.btn-primary {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-accent);
    color: var(--color-primary);
    border: none;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: var(--spacing-sm);
}

.btn-primary:hover {
    background: #d4b57a;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(201, 169, 110, 0.3);
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background-color: #000000;
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-main h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.footer-main p {
    opacity: 0.7;
    margin-bottom: var(--spacing-xs);
}

.footer-link {
    color: var(--color-accent);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 0.8;
}

.footer-menu {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-menu a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
}

.footer-bottom p {
    opacity: 0.5;
    font-size: 0.9rem;
}

/* ==========================================
   LIGHTBOX
   ========================================== */

.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox-content {
    display: block;
    max-width: 95vw;
    max-height: 95vh;
    width: auto;
    height: auto;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: var(--color-white);
    font-size: 50px;
    font-weight: 300;
    transition: 0.3s;
    cursor: pointer;
    z-index: 10000;
}

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

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

@keyframes zoomIn {
    from { transform: scale(0.8); }
    to { transform: scale(1); }
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-menu {
        gap: var(--spacing-sm);
    }
    
    .hero {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .apartments-grid {
        grid-template-columns: 1fr;
    }
    
    .offer-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .nav-menu {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .stat-number {
        font-size: 2.5rem;
    }
}