/* ===== MODERN REALISATIONS STYLES ===== */

:root {
    --primary: #0056b3;
    --primary-dark: #004494;
    --primary-light: #4dabf7;
    --accent: #ff6b6b;
    --text: #2d3748;
    --text-light: #718096;
    --background: #ffffff;
    --surface: #f8fafc;
    --border: #e2e8f0;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.12);
    --gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--background);
    line-height: 1.6;
}

/* Modern Hero */
.realisations-hero {
    min-height: 100vh;
    background: var(--gradient);
    color: white;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 12px 24px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 30px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.9) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.4rem;
    opacity: 0.9;
    margin-bottom: 50px;
    font-weight: 400;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: rgba(255, 255, 255, 0.6);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    border-right: 2px solid rgba(255, 255, 255, 0.6);
    border-bottom: 2px solid rgba(255, 255, 255, 0.6);
    transform: translateX(-50%) rotate(45deg);
}

/* Cities Navigation */
.cities-nav-section {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.cities-nav {
    padding: 20px 0;
}

.nav-inner {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-light);
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    transition: left 0.3s ease;
    z-index: -1;
}

.nav-item.active::before,
.nav-item:hover::before {
    left: 0;
}

.nav-item.active,
.nav-item:hover {
    color: white;
    border-color: var(--primary);
}

.nav-count {
    background: var(--surface);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    transition: all 0.3s ease;
}

.nav-item.active .nav-count,
.nav-item:hover .nav-count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* City Sections */
.city-section {
    padding: 120px 0;
    position: relative;
}

.city-section:nth-child(even) {
    background: var(--surface);
}

.city-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 80px;
    gap: 40px;
}

.city-meta {
    flex: 1;
}

.city-badge {
    display: inline-block;
    background: var(--gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.city-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text) 0%, var(--text-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.city-description {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 500px;
}

.city-stats {
    display: flex;
    gap: 40px;
}

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

.city-stat .number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

.city-stat .label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Masonry Grid */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.masonry-item {
    break-inside: avoid;
}

.project-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    position: relative;
}

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

.project-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.8));
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 30px;
    opacity: 0;
    transition: all 0.4s ease;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-content {
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.project-card:hover .project-content {
    transform: translateY(0);
}

.project-meta {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.project-number {
    background: var(--primary);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 700;
}

.project-city {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.project-title {
    color: white;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.project-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.project-view-btn {
    align-self: flex-end;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 24px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: translateY(20px);
    opacity: 0;
}

.project-card:hover .project-view-btn {
    transform: translateY(0);
    opacity: 1;
}

.project-view-btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

/* Modern Lightbox */
.modern-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
}

.lightbox-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
}

.lightbox-container {
    position: relative;
    width: 95%;
    height: 95%;
    margin: 2.5% auto;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-close:hover {
    background: var(--primary);
    transform: scale(1.1);
}

.lightbox-navigation {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: var(--primary);
    transform: scale(1.1);
}

.lightbox-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.lightbox-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

#lightboxImg {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.lightbox-info {
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.info-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    color: white;
}

.project-header {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.project-city, .project-number {
    background: var(--primary);
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

.project-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.project-description {
    opacity: 0.9;
    margin-bottom: 15px;
}

.project-counter {
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .city-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 30px;
    }
    
    .city-title {
        font-size: 2.5rem;
    }
    
    .masonry-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-inner {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-text h2 {
        font-size: 2rem;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .city-title {
        font-size: 2rem;
    }
    
    .project-overlay {
        padding: 20px;
    }
}