/* --- MODERNÍ PROMĚNNÉ & RESET --- */
        :root {
            --primary: #ff6a00;
            --primary-dark: #e65c00;
            --dark: #0f172a;
            /* ZMĚNĚNO: Jemné krémové pozadí pro organický vzhled */
            --light: #f9f7f2; 
            --text: #334155;
            --transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
            --glass: rgba(255, 255, 255, 0.85);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Inter', sans-serif;
        }

        html { scroll-behavior: smooth; }

        body {
            background-color: var(--light);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* --- VYLEPŠENÝ NAVBAR --- */
        .navbar {
            background: var(--glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: fixed;
            width: calc(100% - 2rem);
            top: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }

        .nav-container {
            max-width: 1100px;
            margin: auto;
            padding: 0.8rem 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: var(--transition);
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0%;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

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

        /* --- MODERNÍ HERO SEKCE --- */
        .hero {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: #0f172a; /* Tmavý základ */
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero-blob {
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
            filter: blur(80px);
            opacity: 0.4;
            z-index: 0;
            animation: move 20s infinite alternate;
        }

        @keyframes move {
            from { transform: translate(-30%, -20%); }
            to { transform: translate(30%, 20%); }
        }

        .hero-content { position: relative; z-index: 1; padding: 0 1.5rem; }

        .hero h1 {
            font-size: clamp(2.5rem, 10vw, 5.5rem);
            font-weight: 800;
            margin-bottom: 1.5rem;
            line-height: 1;
            letter-spacing: -2px;
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: 3rem;
            color: #94a3b8;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* --- TLAČÍTKA --- */
        .btn {
            padding: 1.1rem 2.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            box-shadow: 0 15px 35px rgba(255, 106, 0, 0.4);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 20px 40px rgba(255, 106, 0, 0.5);
            background: var(--primary-dark);
        }

        /* --- PRODUKTY & GRID --- */
        .section { padding: 120px 1.5rem; max-width: 1200px; margin: auto; }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 5rem;
            align-items: center;
        }

        .img-box img {
            width: 100%;
            border-radius: 30px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }

        .card {
            background: white;
            padding: 2.5rem;
            border-radius: 30px;
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .product-card { padding: 0; overflow: hidden; }

        .card:hover { 
            transform: translateY(-12px); 
            box-shadow: 0 25px 40px -10px rgba(0, 0, 0, 0.1);
        }

        .product-img { height: 300px; background: #eceae5; }
        .product-img img { width: 100%; height: 100%; object-fit: cover; }

        .product-info { padding: 2rem; }
        .price { font-size: 1.5rem; font-weight: 700; color: var(--dark); margin: 1rem 0; }

        /* --- KONTAKTNÍ FORMULÁŘ --- */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            background: #fff;
            padding: 4rem;
            border-radius: 40px;
            box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.05);
        }

        input, textarea {
            width: 100%;
            padding: 1.2rem;
            border: 1px solid #e2e8f0;
            border-radius: 15px;
            background: #f8fafc;
            margin-bottom: 1rem;
            transition: var(--transition);
        }

        input:focus, textarea:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(255, 106, 0, 0.1);
        }

        /* --- FOOTER --- */
        footer {
            background: var(--dark);
            color: white;
            padding: 5rem 1.5rem;
            text-align: center;
        }

        /* --- RESPONZIVITA --- */
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .contact-grid { grid-template-columns: 1fr; padding: 2rem; }
            .hero h1 { font-size: 3.5rem; }
            .navbar { width: calc(100% - 1rem); top: 0.5rem; }
        }