:root {
            --bg-color: #ffffff;
            --text-main: #050505;
            --text-muted: #737373;
            --border-color: #e5e5e5;
            --hover-bg: #f5f5f5;
            --transition-snap: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
            overflow-x: hidden;
            cursor: none; 
        }

        ::selection {
            background-color: var(--text-main);
            color: var(--bg-color);
        }

        /* Screen Transitions */
        .screen {
            display: none;
            width: 100%;
            min-height: 100svh;
            background: var(--bg-color);
            z-index: 1;
        }

        .screen.is-active {
            display: flex;
            position: relative;
            z-index: 10;
            animation: fadeInScreen 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        }

        @keyframes fadeInScreen {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Cinematic Preloader */
        #preloader {
            position: fixed;
            inset: 0;
            background-color: var(--text-main);
            z-index: 99999;
            display: flex;
            align-items: center;
            justify-content: center;
            transform-origin: top;
            transition: transform 1.2s cubic-bezier(0.7, 0, 0.2, 1);
        }
        #preloader.hide {
            transform: scaleY(0);
        }

        /* Skyscraper Puzzle Parts */
        .puzzle-piece {
            position: absolute;
            opacity: 0;
            background-color: rgba(255, 255, 255, var(--piece-opacity, 1));
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
            transform: var(--start-transform);
            transition: transform 1.8s cubic-bezier(0.2, 1.2, 0.4, 1), opacity 1.2s ease-out;
            will-change: transform, opacity;
            box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
        }
        .puzzle-piece.assembled {
            opacity: 1;
            transform: translate(0, 0) rotate(0) scale(1);
        }

        /* Curtain Transition Overlay */
        #curtain {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background-color: var(--text-main);
            z-index: 9999;
            pointer-events: none;
            transform: scaleY(0);
            transform-origin: top;
            transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
        }
        #curtain.sweep-in { transform: scaleY(1); transform-origin: bottom; }
        #curtain.sweep-out { transform: scaleY(0); transform-origin: top; }

        /* Mobile Menu */
        #mobile-menu {
            position: fixed;
            inset: 0;
            background-color: var(--bg-color);
            z-index: 99998;
            transform: translateY(-100%);
            transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }
        #mobile-menu.is-open { transform: translateY(0); }

        /* Custom Cursor */
        #cursor-dot, #cursor-ring {
            position: fixed;
            top: 0;
            left: 0;
            pointer-events: none;
            z-index: 100000;
            border-radius: 50%;
            transform: translate(-50%, -50%);
            will-change: transform;
        }
        #cursor-dot {
            width: 8px;
            height: 8px;
            background-color: var(--text-main);
            transition: opacity 0.2s ease;
        }
        #cursor-ring {
            width: 24px;
            height: 24px;
            border: 1px solid rgba(0,0,0,0.2);
            transition: width 0.3s ease, height 0.3s ease, border-color 0.3s ease;
        }
        body.hovering #cursor-dot { opacity: 0; }
        body.hovering #cursor-ring {
            width: 48px;
            height: 48px;
            border-color: var(--text-main);
            background-color: rgba(0,0,0,0.05);
            backdrop-filter: blur(2px);
        }

        @media (hover: hover) and (pointer: fine) {
            * { cursor: none !important; }
        }
        @media (hover: none), (pointer: coarse) {
            #cursor-dot, #cursor-ring { display: none !important; }
            body { cursor: auto; }
            * { cursor: auto !important; }
        }

        /* Image treatment & Hover Effects */
        .img-wrap {
            position: relative;
            overflow: hidden;
            background-color: var(--hover-bg);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            transition: border-color var(--transition-smooth), box-shadow var(--transition-smooth);
            transform: translateZ(0); 
        }
        
        .img-wrap img, .detail-hero-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: top center;
            filter: grayscale(100%);
            transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1), filter 0.5s ease;
            will-change: transform, filter;
            transform-origin: top center;
        }

        .img-wrap:hover img, .detail-hero-img:hover {
            filter: grayscale(0%);
        }

        .project-card:hover .img-wrap { 
            border-color: rgba(0, 0, 0, 0.2);
            box-shadow: 0 12px 32px -8px rgba(0, 0, 0, 0.08);
        }
        .project-card:hover .img-wrap img { 
            transform: scale(1.02); 
            filter: grayscale(0%) !important; 
        }
        
        .project-card .hover-arrow {
            opacity: 0;
            transform: translateX(-10px);
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .project-card:hover .hover-arrow { opacity: 1; transform: translateX(0); }

        /* Scroll Reveals */
        .reveal {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
            will-change: opacity, transform;
        }
        .reveal.in-view { opacity: 1; transform: translateY(0); }
        
        /* Marquee */
        .marquee-container {
            width: 100%;
            overflow: hidden;
            white-space: nowrap;
            padding: 2rem 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            display: flex;
        }
        .marquee-content {
            display: inline-block;
            animation: marquee 20s linear infinite;
            font-size: 4rem;
            font-weight: 200;
            letter-spacing: -0.02em;
            text-transform: uppercase;
        }
        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* Fancy Button */
        .btn-fancy {
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        .btn-fancy::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 0%;
            background-color: var(--text-main);
            transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            z-index: -1;
        }
        .btn-fancy:hover::before { height: 100%; top: auto; bottom: 0; }
        .btn-fancy:hover { color: var(--bg-color); border-color: var(--text-main); }
        .btn-fancy svg { transition: transform 0.4s; }
        .btn-fancy:hover svg { stroke: var(--bg-color); transform: translateX(4px); }

        /* Custom Scrollbar */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: transparent; }
        ::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 10px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }
        
        /* Logo Animation */
        .logo-mark {
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .group:hover .logo-mark {
            transform: rotate(90deg) scale(1.1);
        }

        /* Form Inputs */
        input:-webkit-autofill,
        textarea:-webkit-autofill {
            -webkit-box-shadow: 0 0 0 1000px white inset !important;
            -webkit-text-fill-color: var(--text-main) !important;
            transition: background-color 5000s ease-in-out 0s;
        }

        /* Landing Page Typography */
        .hero-title {
            font-size: clamp(3rem, 11vw, 12rem);
            line-height: 0.85;
            letter-spacing: -0.04em;
        }

        /* Gold Frame Portrait Wrap */
        .gold-frame-wrap {
            position: relative;
            width: 100%;
            max-width: 320px;
            aspect-ratio: 3 / 4;
            background-color: #ffffff;
            border-radius: 8px;
            box-shadow: 0 20px 45px -15px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(212, 175, 55, 0.2);
            transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s ease;
            flex-shrink: 0;
        }
        @media (min-width: 768px) {
            .gold-frame-wrap {
                width: 320px;
            }
        }
        .gold-frame-wrap.mini {
            width: 96px;
            max-width: 96px;
            height: 128px;
        }
        @media (min-width: 768px) {
            .gold-frame-wrap.mini {
                width: 112px;
                max-width: 112px;
                height: 144px;
            }
        }
        .gold-frame-wrap:hover {
            transform: translateY(-4px) scale(1.015);
            box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.18), 0 0 0 1px rgba(212, 175, 55, 0.35);
        }
        .gold-frame-wrap img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            display: block;
        }