/* ========================================
           ГЛОБАЛЬНЫЕ ПЕРЕМЕННЫЕ И СБРОС
        ======================================== */
        :root {
            /* Цветовая палитра */
            --color-bg: #0a0a0a;
            --color-surface: #161616;
            --color-surface-hover: #1f1f1f;
            --color-text: #e8e8e8;
            --color-text-muted: #9a9a9a;
            --color-accent: #c9a961;
            --color-accent-hover: #d4b876;
            --color-border: #2a2a2a;
            
            /* Типографика */
            --font-display: 'Playfair Display', serif;
            --font-body: 'IBM Plex Sans', sans-serif;
            
            /* Расстояния */
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            
            /* Границы и тени */
            --radius: 0.5rem;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 48px rgba(0, 0, 0, 0.6);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        /* ========================================
           HERO СЕКЦИЯ
        ======================================== */
        .hero {
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            padding: var(--spacing-lg) var(--spacing-md);
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 40%, rgba(201, 169, 97, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 70% 60%, rgba(201, 169, 97, 0.05) 0%, transparent 50%);
            animation: heroGlow 20s ease-in-out infinite alternate;
            pointer-events: none;
        }
        
        @keyframes heroGlow {
            0% { transform: translate(0, 0) scale(1); }
            100% { transform: translate(-10%, -5%) scale(1.1); }
        }
        
        .hero-content {
            max-width: 1200px;
            text-align: center;
            position: relative;
            z-index: 1;
        }
        
        .hero-subtitle {
            font-size: 0.875rem;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: var(--spacing-md);
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.2s forwards;
        }
        
        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(3rem, 12vw, 8rem);
            font-weight: 900;
            line-height: 0.95;
            margin-bottom: var(--spacing-md);
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.4s forwards;
            letter-spacing: -0.02em;
        }
        
        .hero-description {
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-weight: 300;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out 0.6s forwards;
        }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* ========================================
           ФИЛЬТР КАТЕГОРИЙ
        ======================================== */
        .filter-section {
            padding: var(--spacing-lg) var(--spacing-md);
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .filter-buttons {
            display: flex;
            gap: var(--spacing-sm);
            justify-content: center;
            flex-wrap: wrap;
            opacity: 0;
            animation: fadeIn 0.6s ease-out 0.8s forwards;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .filter-btn {
            padding: 0.875rem 2rem;
            background: transparent;
            border: 1px solid var(--color-border);
            color: var(--color-text-muted);
            cursor: pointer;
            font-family: var(--font-body);
            font-size: 0.875rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            border-radius: var(--radius);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        
        .filter-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(201, 169, 97, 0.1), transparent);
            transition: left 0.5s;
        }
        
        .filter-btn:hover::before {
            left: 100%;
        }
        
        .filter-btn:hover {
            border-color: var(--color-accent);
            color: var(--color-text);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(201, 169, 97, 0.2);
        }
        
        .filter-btn.active {
            background: var(--color-accent);
            color: var(--color-bg);
            border-color: var(--color-accent);
            font-weight: 500;
        }
        
        .filter-btn:active {
            transform: scale(0.95);
        }
        
        /* ========================================
           СЕТКА ПРОЕКТОВ
        ======================================== */
        .projects-section {
            padding: var(--spacing-xl) var(--spacing-md);
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: var(--spacing-md);
            margin-top: var(--spacing-lg);
        }
        
        .project-card {
            background: var(--color-surface);
            border-radius: var(--radius);
            overflow: hidden;
            cursor: pointer;
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                        box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0;
            animation: projectAppear 0.6s ease-out forwards;
            position: relative;
        }
        
        /* Анимация появления карточек с задержкой */
        .project-card:nth-child(1) { animation-delay: 0.1s; }
        .project-card:nth-child(2) { animation-delay: 0.2s; }
        .project-card:nth-child(3) { animation-delay: 0.3s; }
        .project-card:nth-child(4) { animation-delay: 0.4s; }
        .project-card:nth-child(5) { animation-delay: 0.5s; }
        .project-card:nth-child(6) { animation-delay: 0.6s; }
        
        @keyframes projectAppear {
            from {
                opacity: 0;
                transform: translateY(40px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }
        
        .project-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        
        .project-image-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg);
        }
        
        .project-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }
        
        .project-card:hover .project-image {
            transform: scale(1.08);
        }
        
        .project-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, transparent 60%);
            opacity: 0;
            transition: opacity 0.4s ease;
            display: flex;
            align-items: flex-end;
            justify-content: center;
            padding: var(--spacing-md);
        }
        
        .project-card:hover .project-overlay {
            opacity: 1;
        }
        
        .view-project-btn {
            padding: 0.75rem 2rem;
            background: var(--color-accent);
            color: var(--color-bg);
            border: none;
            border-radius: var(--radius);
            font-family: var(--font-body);
            font-size: 0.875rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            cursor: pointer;
            transform: translateY(20px);
            transition: all 0.3s ease;
        }
        
        .project-card:hover .view-project-btn {
            transform: translateY(0);
        }
        
        .view-project-btn:hover {
            background: var(--color-accent-hover);
        }
        
        .project-info {
            padding: var(--spacing-md);
        }
        
        .project-category {
            font-size: 0.75rem;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.15em;
            margin-bottom: var(--spacing-xs);
            font-weight: 500;
        }
        
        .project-title {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: var(--spacing-xs);
            color: var(--color-text);
        }
        
        .project-description {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        
        /* ========================================
           CTA СЕКЦИЯ
        ======================================== */
        .cta-section {
            padding: var(--spacing-xl) var(--spacing-md);
            background: linear-gradient(135deg, 
                        var(--color-surface) 0%, 
                        rgba(201, 169, 97, 0.05) 100%);
            position: relative;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, 
                        transparent, 
                        var(--color-accent), 
                        transparent);
        }
        
        .cta-content {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .cta-content.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .cta-title {
            font-family: var(--font-display);
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 700;
            margin-bottom: var(--spacing-md);
            line-height: 1.2;
        }
        
        .cta-description {
            font-size: 1.125rem;
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-lg);
            font-weight: 300;
        }
        
        .cta-button {
            display: inline-flex;
            align-items: center;
            gap: var(--spacing-sm);
            padding: 1.25rem 3rem;
            background: var(--color-accent);
            color: var(--color-bg);
            border: none;
            border-radius: var(--radius);
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 500;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 4px 16px rgba(201, 169, 97, 0.3);
        }
        
        .cta-button:hover {
            background: var(--color-accent-hover);
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(201, 169, 97, 0.4);
        }
        
        .cta-button:active {
            transform: translateY(-2px);
        }
        
        /* ========================================
           FOOTER КОНТАКТЫ
        ======================================== */
        .footer-contacts {
            padding: var(--spacing-xl) var(--spacing-md);
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .footer-contacts.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .footer-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: var(--spacing-lg);
            text-align: center;
        }
        
        .offices-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-xl);
        }
        
        .office-card {
            padding: var(--spacing-md);
            background: var(--color-bg);
            border-radius: var(--radius);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }
        
        .office-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(201, 169, 97, 0.15);
        }
        
        .office-city {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: var(--spacing-sm);
        }
        
        .office-info {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-xs);
        }
        
        .office-info p {
            font-size: 0.875rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        
        .office-info a {
            color: var(--color-text);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .office-info a:hover {
            color: var(--color-accent);
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.875rem;
        }
        
        /* ========================================
           АДАПТИВНОСТЬ
        ======================================== */
        @media (max-width: 768px) {
            .hero {
                min-height: 70vh;
                padding: var(--spacing-md) var(--spacing-sm);
            }
            
            .hero-title {
                font-size: clamp(2.5rem, 10vw, 4rem);
            }
            
            .filter-section {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            
            .filter-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            
            .filter-btn {
                width: 100%;
            }
            
            .projects-section {
                padding: var(--spacing-md) var(--spacing-sm);
            }
            
            .projects-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
            
            .cta-section {
                padding: var(--spacing-lg) var(--spacing-sm);
            }
            
            .cta-button {
                width: 100%;
                justify-content: center;
            }
            
            .footer-contacts {
                padding: var(--spacing-lg) var(--spacing-sm);
            }
            
            .offices-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (min-width: 769px) and (max-width: 1024px) {
            .projects-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        /* ========================================
           ДОПОЛНИТЕЛЬНЫЕ ЭФФЕКТЫ
        ======================================== */
        .scroll-indicator {
            position: absolute;
            bottom: var(--spacing-lg);
            left: 50%;
            transform: translateX(-50%);
            opacity: 0;
            animation: fadeIn 1s ease-out 1.2s forwards, bounce 2s ease-in-out 1.2s infinite;
        }
        
        @keyframes bounce {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(10px); }
        }
        
        .scroll-indicator::before {
            content: '';
            display: block;
            width: 24px;
            height: 40px;
            border: 2px solid var(--color-accent);
            border-radius: 12px;
            position: relative;
        }
        
        .scroll-indicator::after {
            content: '';
            position: absolute;
            top: 8px;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 2px;
            animation: scrollDot 2s ease-in-out infinite;
        }
        
        @keyframes scrollDot {
            0% { opacity: 1; top: 8px; }
            50% { opacity: 0.5; top: 24px; }
            100% { opacity: 1; top: 8px; }
        }
        
        .fade-in-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .fade-in-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }
    
.back-home {
    position: absolute;
    top: 40px;
    left: 40px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}