:root {
            --bg-sand: #DADCC9;
            --bg-white: #ffffff;
            --bg-subtle: #f9f8f5;
            --text-dark: #1e242b;
            --text-muted: #5a626a;
            --text-light: #808890;
            --border-light: rgba(30, 36, 43, 0.08);
            --accent-dark: #2b333e;
            
            --font-heading: 'Playfair Display', Georgia, serif;
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

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

        /* Container & Layout */
        .container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 2rem;
            width: 100%;
        }

        /* Header & Navigation */
        header {
            background-color: rgba(218, 220, 201, 0.88);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: var(--transition-smooth);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 90px;
            padding: 0 2rem;
            max-width: 1140px;
            margin: 0 auto;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            color: var(--text-dark);
            height: 100%;
        }

        .brand-logo img {
            height: 75px;
            width: auto;
            object-fit: contain;
            display: block;
        }

        .logo-text-fallback {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            font-weight: 500;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 2.25rem;
            align-items: center;
        }

        .nav-item button {
            background: none;
            border: none;
            font-family: var(--font-body);
            font-size: 0.95rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.25s ease;
            font-weight: 400;
            letter-spacing: 0.01em;
        }

        .nav-item button::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0%;
            height: 1px;
            background-color: var(--text-dark);
            transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        /* Mobile Hamburger Toggle */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 0.5rem;
            z-index: 1001;
        }

        /* Page View Switcher Logics */
        .page-view {
            display: none;
            opacity: 0;
            transform: translateY(8px);
            transition: opacity 0.4s ease, transform 0.4s ease;
            min-height: calc(100vh - 250px);
            padding-bottom: 5rem;
        }

        .page-view.active {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }

        /* Hero Section */
        .hero {
            position: relative;
            height: 65vh;
            min-height: 480px;
            max-height: 700px;
            width: 100%;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 4.5rem;
        }

        .hero-slideshow {
            position: absolute;
            inset: 0;
            z-index: 1;
        }

        .hero-slide {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0;
            transition: opacity 1.8s ease-in-out;
        }

        .hero-slide.active {
            opacity: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.15);
            z-index: 2;
        }

        .hero-card {
            position: relative;
            z-index: 3;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 3.5rem 3rem;
            max-width: 620px;
            width: 90%;
            text-align: center;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }

        .hero-card h1 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 400;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 1.25rem;
            color: var(--text-dark);
        }

        .hero-card p {
            font-size: 1.05rem;
            color: var(--text-muted);
            font-weight: 300;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .btn-primary {
            display: inline-block;
            background-color: var(--accent-dark);
            color: var(--bg-white);
            padding: 0.9rem 2.2rem;
            text-decoration: none;
            font-size: 0.85rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-primary:hover {
            background-color: #000000;
            transform: translateY(-2px);
        }

        /* Page Headers */
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 4rem auto 3.5rem auto;
        }

        .section-header h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 400;
            letter-spacing: 0.02em;
            margin-bottom: 1rem;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            font-weight: 300;
        }

        /* Architectural Services Grid */
        .services-grid-elegant {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 5rem;
        }

        @media (max-width: 900px) {
            .services-grid-elegant {
                grid-template-columns: 1fr;
            }
        }

        .service-card-architectural {
            background-color: var(--bg-subtle);
            padding: 3rem 2.25rem;
            border-top: 2px solid var(--text-dark);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-card-architectural:hover {
            transform: translateY(-5px);
            background-color: var(--bg-white);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
        }

        .service-card-number {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            color: var(--text-light);
            margin-bottom: 1.5rem;
            display: block;
        }

        .service-card-architectural h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 400;
            margin-bottom: 1.25rem;
            line-height: 1.3;
            color: var(--text-dark);
        }

        .service-card-architectural p {
            font-size: 0.98rem;
            color: var(--text-muted);
            line-height: 1.75;
            font-weight: 300;
        }

        /* Feature Row Layouts (Images + Text) */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            margin-bottom: 5rem;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse .feature-text {
            direction: ltr;
        }

        .feature-img-box {
            width: 100%;
            height: 380px;
            overflow: hidden;
            background-color: var(--bg-subtle);
        }

        .feature-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.8s ease;
        }

        .feature-row:hover .feature-img-box img {
            transform: scale(1.03);
        }

        .feature-text h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 400;
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }

        .feature-text p {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 1.25rem;
            font-weight: 300;
            line-height: 1.7;
        }

        /* CUSTOM CSS HOVER CAPTION GALLERY (CSS Gallery Style) */
        .gallery-image {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            margin-bottom: 6rem;
        }

        .img-box {
            position: relative;
            width: 350px;
            height: 250px;
            overflow: hidden;
            border-radius: 4px;
            cursor: pointer;
            background-color: #000;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }

        .img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transform: scale(1.0);
            transition: transform 0.4s ease;
        }

        .transparent-box {
            position: absolute;
            inset: 0;
            background-color: rgba(0, 0, 0, 0);
            transition: background-color 0.3s ease;
            display: flex;
            align-items: flex-end;
            padding: 1.5rem;
        }

        .caption {
            opacity: 0;
            transform: translateY(15px);
            transition: transform 0.3s ease, opacity 0.3s ease;
            color: #ffffff;
            font-family: var(--font-body);
            z-index: 2;
        }

        .caption p:first-child {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            font-weight: 400;
            margin-bottom: 0.2rem;
        }

        .caption p.opacity-low {
            font-size: 0.85rem;
            opacity: 0.8;
            font-weight: 300;
        }

        /* Hover Effects */
        .img-box:hover img {
            transform: scale(1.08);
        }

        .img-box:hover .transparent-box {
            background-color: rgba(0, 0, 0, 0.55);
        }

        .img-box:hover .caption {
            transform: translateY(0);
            opacity: 1;
        }

        /* Lightbox Card Modal */
        .lightbox-modal {
            position: fixed;
            inset: 0;
            z-index: 2000;
            background-color: rgba(15, 20, 25, 0.85);
            backdrop-filter: blur(10px);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s ease;
        }

        .lightbox-modal.open {
            opacity: 1;
            pointer-events: auto;
        }

        .lightbox-card {
            background-color: var(--bg-white);
            max-width: 850px;
            width: 100%;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
            position: relative;
            transform: scale(0.95);
            transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .lightbox-modal.open .lightbox-card {
            transform: scale(1);
        }

        .lightbox-card img {
            width: 100%;
            max-height: 70vh;
            object-fit: cover;
            display: block;
        }

        .lightbox-caption {
            padding: 1.5rem 2rem;
            font-family: var(--font-heading);
            font-size: 1.2rem;
            color: var(--text-dark);
            background-color: var(--bg-white);
        }

        .lightbox-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(0, 0, 0, 0.5);
            color: white;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s ease;
        }

        .lightbox-close:hover {
            background: rgba(0, 0, 0, 0.8);
        }

        /* Contact Details Page */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            margin-top: 3rem;
            align-items: start;
        }

        .contact-info-block h3 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 400;
            margin-bottom: 1.5rem;
        }

        .contact-detail-group {
            margin-bottom: 2rem;
        }

        .contact-detail-group label {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-light);
            display: block;
            margin-bottom: 0.3rem;
        }

        .contact-detail-group p, .contact-detail-group a {
            font-size: 1.05rem;
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 300;
            line-height: 1.6;
        }

        .contact-detail-group a:hover {
            text-decoration: underline;
        }

        .contact-logo-box {
            background-color: var(--bg-sand);
            padding: 4rem 3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            height: 100%;
            min-height: 350px;
        }

        .contact-logo-box img {
            max-width: 80%;
            max-height: 180px;
            object-fit: contain;
        }

        /* Footer */
        footer {
            background-color: #1a2026;
            color: #d0d5dd;
            padding: 4.5rem 0 3rem 0;
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 4rem;
            margin-bottom: 3.5rem;
        }

        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 1.25rem;
            color: #ffffff;
            font-weight: 400;
            margin-bottom: 1.25rem;
        }

        .footer-col p {
            font-size: 0.95rem;
            color: #98a2b3;
            font-weight: 300;
            line-height: 1.7;
        }

        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: #667085;
        }

        /* Responsive Breakpoints */
        @media (max-width: 868px) {
            .header-container {
                height: 80px;
                padding: 0 1.5rem;
            }

            .mobile-menu-btn {
                display: block;
            }

            .nav-list {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background-color: rgba(218, 220, 201, 0.96);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                padding: 2.5rem 2rem;
                gap: 1.75rem;
                border-bottom: 1px solid rgba(0, 0, 0, 0.08);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
                
                opacity: 0;
                visibility: hidden;
                transform: translateY(-20px) scale(0.98);
                transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s ease;
                pointer-events: none;
            }

            .nav-list.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0) scale(1);
                pointer-events: auto;
            }

            .nav-item {
                opacity: 0;
                transform: translateY(-10px);
                transition: opacity 0.35s ease, transform 0.35s ease;
            }

            .nav-list.open .nav-item {
                opacity: 1;
                transform: translateY(0);
            }

            .nav-list.open .nav-item:nth-child(1) { transition-delay: 0.08s; }
            .nav-list.open .nav-item:nth-child(2) { transition-delay: 0.14s; }
            .nav-list.open .nav-item:nth-child(3) { transition-delay: 0.20s; }
            .nav-list.open .nav-item:nth-child(4) { transition-delay: 0.26s; }

            .nav-item button {
                font-size: 1.25rem;
            }

            .hero {
                height: 60vh;
                min-height: 420px;
                margin-bottom: 3rem;
            }

            .hero-card {
                padding: 2.25rem 1.75rem;
            }

            .feature-row, .feature-row.reverse, .contact-layout {
                grid-template-columns: 1fr;
                direction: ltr;
                gap: 2.5rem;
                margin-bottom: 3.5rem;
            }

            .feature-img-box {
                height: 260px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .img-box {
                width: 100%;
                max-width: 380px;
            }
        }