:root {
            --idji-primary: #ee4126;
            --idji-primary-dark: #d6361e;
            --idji-secondary: #2a2a2a;
            --idji-bg-light: #fdfdfd;
            --idji-text-main: #1d1d1f;
            --idji-text-muted: #86868b;
            --idji-glass: rgba(255, 255, 255, 0.8);
            --idji-accent-gradient: linear-gradient(135deg, #ee4126 0%, #ff7a67 100%);
            --idji-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --idji-radius: 20px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            background-color: var(--idji-bg-light);
            color: var(--idji-text-main);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Layout & Constraints */
        .idji-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
            width: 100%;
        }

        .idji-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .idji-flex-item {
            min-width: 0;
        }

        .idji-text-container {
            word-break: break-word;
            overflow-wrap: break-word;
        }

        /* Navigation */
        .idji-navbar {
            position: fixed;
            top: 24px;
            left: 50%;
            transform: translateX(-50%);
            width: 90vw;
            max-width: 1200px;
            height: 72px;
            background: var(--idji-glass);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 40px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            z-index: 1000;
            box-shadow: var(--idji-shadow);
            border: 1px solid rgba(255,255,255,0.3);
        }

        .idji-logo {
            height: 32px;
            display: flex;
            align-items: center;
        }

        .idji-logo img {
            height: 100%;
            width: auto;
        }

        .idji-nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            list-style: none;
        }

        .idji-nav-links a {
            text-decoration: none;
            color: var(--idji-text-main);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
        }

        .idji-nav-links a:hover {
            color: var(--idji-primary);
        }

        /* Hero Section - Unique Diagonal Design */
        .idji-hero {
            position: relative;
            padding-top: 180px;
            padding-bottom: 120px;
            background: radial-gradient(circle at 90% 10%, #fff0ee 0%, transparent 40%);
            overflow: hidden;
        }

        .idji-hero-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 64px;
            align-items: center;
        }

        .idji-hero-content {
            z-index: 2;
        }

        .idji-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            color: var(--idji-secondary);
        }

        .idji-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            color: var(--idji-text-muted);
            margin-bottom: 48px;
            max-width: 600px;
            line-height: 1.5;
        }

        .idji-btn-primary {
            display: inline-flex;
            align-items: center;
            padding: 20px 48px;
            background: var(--idji-accent-gradient);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.2rem;
            box-shadow: 0 20px 40px rgba(238, 65, 38, 0.25);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .idji-btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 25px 50px rgba(238, 65, 38, 0.35);
        }

        /* Visual Element: Floating Input Bubbles */
        .idji-hero-visual {
            position: relative;
            height: 500px;
            background: rgba(238, 65, 38, 0.03);
            border-radius: var(--idji-radius);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .idji-floating-card {
            background: white;
            padding: 24px 32px;
            border-radius: 16px;
            box-shadow: var(--idji-shadow);
            position: absolute;
            transition: transform 0.5s ease-out;
            border-left: 4px solid var(--idji-primary);
        }

        .idji-card-1 { top: 10%; left: 10%; transform: rotate(-5deg); }
        .idji-card-2 { bottom: 15%; right: 10%; transform: rotate(3deg); }
        .idji-card-3 { top: 40%; right: 20%; transform: rotate(1deg); }

        /* Feature Section - Staggered Grid */
        .idji-section {
            padding: 120px 0;
        }

        .idji-section-title {
            text-align: center;
            margin-bottom: 80px;
        }

        .idji-section-title h2 {
            font-size: clamp(2rem, 3vw + 0.5rem, 3rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .idji-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .idji-feature-card {
            background: white;
            padding: 48px;
            border-radius: var(--idji-radius);
            border: 1px solid #f0f0f0;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            position: relative;
            overflow: hidden;
        }

        .idji-feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--idji-shadow);
            border-color: var(--idji-primary);
        }

        .idji-feature-icon {
            font-size: 3rem;
            margin-bottom: 24px;
            display: block;
        }

        .idji-feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .idji-feature-card p {
            color: var(--idji-text-muted);
            line-height: 1.8;
        }

        /* Download Options Section */
        .idji-download-options {
            background-color: #f9f9fb;
            border-radius: 40px;
            padding: 80px;
            margin-top: 40px;
        }

        .idji-platform-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
        }

        .idji-platform-item {
            text-align: center;
            flex: 1;
            min-width: 200px;
        }

        .idji-platform-link {
            text-decoration: none;
            color: var(--idji-text-main);
            display: block;
            padding: 32px;
            border-radius: 24px;
            background: white;
            transition: background 0.3s;
        }

        .idji-platform-link:hover {
            background: #fff5f4;
        }

        /* Footer */
        .idji-footer {
            background: var(--idji-secondary);
            color: #a1a1a6;
            padding: 96px 0 48px;
        }

        .idji-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 64px;
            margin-bottom: 80px;
        }

        .idji-footer-brand h4 {
            color: white;
            font-size: 1.5rem;
            margin-bottom: 24px;
            font-weight: 700;
        }

        .idji-footer-links h5 {
            color: white;
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .idji-footer-links ul {
            list-style: none;
        }

        .idji-footer-links li {
            margin-bottom: 12px;
        }

        .idji-footer-links a {
            color: #a1a1a6;
            text-decoration: none;
            transition: color 0.3s;
        }

        .idji-footer-links a:hover {
            color: var(--idji-primary);
        }

        .idji-footer-bottom {
            border-top: 1px solid #3d3d3d;
            padding-top: 48px;
            text-align: center;
            font-size: 0.85rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1100px) {
            .idji-navbar {
                width: 95vw;
                padding: 0 20px;
            }
            .idji-hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .idji-hero-subtitle {
                margin: 0 auto 48px;
            }
            .idji-hero-visual {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .idji-nav-links {
                display: none; /* Mobile menu would be added via JS in a real site */
            }
            .idji-download-options {
                padding: 40px 20px;
            }
            .idji-container {
                padding: 0 24px;
            }
        }