:root {
            --primary: #2563eb;
            --success: #16a34a;
            --dark: #0f172a;
            --light: #f8fafc;
            --glass: rgba(255, 255, 255, 0.15);
            --border: rgba(255, 255, 255, 0.2);
            --shadow: 0 20px 50px rgba(0, 0, 0, .25);
            --radius: 20px;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            min-height: 100vh;
            background:
                linear-gradient(rgba(15, 23, 42, .55),
                    rgba(15, 23, 42, .75)),
                url("../images/ConsulTxsfondo.png") center/cover no-repeat;

            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            color: white;
        }

        .container {
            width: 100%;
            max-width: 460px;
        }

        .card {
            background: var(--glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);

            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 35px;
            box-shadow: var(--shadow);
            animation: fadeIn .5s ease;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .logo {
            text-align: center;
            margin-bottom: 25px;
        }

        .logo h1 {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
        }

        .subtitle {
            text-align: center;
            font-size: .95rem;
            color: rgba(255,255,255,.8);
            margin-bottom: 30px;
        }

        .company-list {
            display: grid;
            gap: 14px;
        }

        .company-btn {
            border: none;
            border-radius: 14px;
            padding: 16px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .25s ease;
            color: white;
            letter-spacing: .5px;
        }

        .company-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,.25);
        }

        .company-btn:focus {
            outline: 3px solid rgba(255,255,255,.4);
        }

        .primary {
            background: linear-gradient(135deg,
                    #2563eb,
                    #1d4ed8);
        }

        .success {
            background: linear-gradient(135deg,
                    #16a34a,
                    #15803d);
        }

        .footer {
            margin-top: 25px;
            text-align: center;
            font-size: .9rem;
            color: rgba(255,255,255,.8);
        }

        .footer a {
            color: #93c5fd;
            text-decoration: none;
            font-weight: 600;
        }

        .footer a:hover {
            text-decoration: underline;
        }

        @media (max-width: 576px) {
            .card {
                padding: 25px;
            }

            .logo h1 {
                font-size: 1.5rem;
            }

            .company-btn {
                padding: 14px;
                font-size: 14px;
            }
        }