/* --- RESET A ZÁKLADNÍ NASTAVENÍ --- */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            color: #334155;
            background-color: #f8fafc;
            line-height: 1.6;
        }

        .container {
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* --- HERO SEKCE (ZÁHLAVÍ) --- */
        .hero {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: #ffffff;
            padding: 90px 0 70px 0;
            text-align: center;
            position: relative;
            border-bottom: 4px solid #ea580c;
        }

        .badge {
            background-color: #ea580c;
            color: white;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 15px;
        }

        .hero h1 span {
            color: #f97316;
        }

        .hero p {
            font-size: 1.3rem;
            color: #cbd5e1;
            max-width: 650px;
            margin: 0 auto;
        }

        /* --- VLASTNOSTI DOMÉNY --- */
        .features {
            padding: 60px 0;
        }

        .section-title {
            text-align: center;
            font-size: 1.75rem;
            margin-bottom: 40px;
            color: #0f172a;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .card {
            background: #ffffff;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
            text-align: center;
        }

        .card-icon {
            font-size: 2.2rem;
            margin-bottom: 15px;
            display: inline-block;
        }

        .card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: #1e293b;
        }

        .card p {
            font-size: 0.95rem;
            color: #64748b;
        }

        /* --- OBLAST PRO KONTAKT --- */
        .cta-section {
            padding: 40px 0 80px 0;
        }

        .cta-box {
            background: #ffffff;
            border-radius: 16px;
            padding: 50px 40px;
            text-align: center;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
        }

        .cta-box h2 {
            font-size: 2rem;
            color: #0f172a;
            margin-bottom: 15px;
        }

        .cta-box p {
            color: #64748b;
            font-size: 1.1rem;
            max-width: 550px;
            margin: 0 auto 35px auto;
        }

        /* Čistě textové zobrazení e-mailu bez buttonu */
        .email-display {
            font-size: 1.6rem;
            font-weight: 700;
            color: #0f172a;
            padding: 15px 30px;
            background-color: #f8fafc;
            border: 1px dashed #cbd5e1;
            border-radius: 8px;
            display: inline-block;
            letter-spacing: 0.5px;
        }

        /* ANTISPAM: Vložení zavináče přes CSS */
        .at-sign::after {
            content: '@';
            color: #ea580c; /* Zavináč jemně zvýrazníme barvou */
        }

        .note {
            margin-top: 25px;
            font-size: 0.85rem;
            color: #94a3b8;
        }

        /* --- PATIČKA --- */
        footer {
            text-align: center;
            padding: 30px 0;
            font-size: 0.85rem;
            color: #94a3b8;
            border-top: 1px solid #e2e8f0;
        }

        /* --- RESPONZIVITA --- */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cta-box {
                padding: 40px 20px;
            }

            .email-display {
                font-size: 1.2rem;
                padding: 12px 15px;
                display: block;
                word-break: break-all;
            }
        }