:root {
            --gold:        #facc15;
            --gold-dark:   #ca8a04;
            --gold-light:  #fde047;
            --dark:        #111827;
            --dark-bg:     #0f172a;
            --card-bg:     rgba(30, 41, 59, 0.75);
            --text-light:  #e2e8f0;
            --text-muted:  #94a3b8;
            --blur:        16px;
        }

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

        body {
            font-family: 'Inter', system-ui, sans-serif;
            background: var(--dark-bg);
            color: var(--text-light);
            min-height: 100vh;
            padding: 1.5rem 1rem;
            overflow-x: hidden;
        }

        .cstm-crd-container {
            max-width: 1200px;
            margin: 100px auto;
        }

        .cstm-crd-main-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
            align-items: start;
        }

        @media (min-width: 1024px) {
            .cstm-crd-main-grid { grid-template-columns: 5fr 7fr; gap: 3.5rem; }
        }

        .cstm-crd-cards-section {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            align-items: center;
        }

        .cstm-crd-card-img {
            width: 100%;
            max-width: 380px;
            border-radius: 1.5rem;
            border: 1px solid rgba(250,204,21,0.18);
            background: rgba(15,23,42,0.4);
            backdrop-filter: blur(8px);
            box-shadow: 
                0 20px 40px -12px rgba(0,0,0,0.55),
                0 0 30px rgba(250,204,21,0.12);
            transition: all 0.55s cubic-bezier(0.34, 1.56, 0.64, 1);
        }

        .cstm-crd-card-img:hover {
            transform: translateY(-18px) scale(1.04) rotate(1.2deg);
            box-shadow: 
                0 35px 70px -20px rgba(0,0,0,0.65),
                0 0 50px rgba(250,204,21,0.28);
            border-color: var(--gold);
        }

        .cstm-crd-form-section {
            /* background: var(--card-bg); */
            border-radius: 2rem;
            padding: 2.5rem 2rem;
            border: 1px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(var(--blur));
            box-shadow: 0 16px 40px -12px rgba(0,0,0,0.5);
        }

        h2 {
            /* font-family: 'Playfair Display', serif; */
            font-size: 32px;
            font-weight: 700;
            color: var(--gold);
            text-align: center;
            margin-bottom: 0.6rem;
            letter-spacing: -0.02em;
            text-shadow: 0 3px 12px rgba(250,204,21,0.18);
        }

        .cstm-crd-cards-section h2 {
            font-size: 40px;
            text-align: left;
            color: #fff;
            margin-bottom: 1.25rem;
        }

        .cstm-crd-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            line-height: 1.5;
            margin-bottom: 2.25rem;
        }

        form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.4rem;
        }

        @media (min-width: 640px) {
            form {
                grid-template-columns: 1fr 1fr;
            }
            form > *:nth-child(7),
            form > *:nth-child(8) {  /* message + button span full width */
                grid-column: 1 / -1;
            }
        }

        label {
            display: block;
            font-size: 0.95rem;
            font-weight: 500;
            margin-bottom: 0.45rem;
            color: var(--gold-light);
        }

        input, select, textarea {
            width: 100%;
            padding: 0.95rem 1.3rem;
            border: 1px solid rgba(202,138,4,0.35);
            border-radius: 1rem;
            background: rgba(17,24,39,0.6);
            color: var(--text-light);
            font-size: 1rem;
            transition: all 0.3s ease;
            backdrop-filter: blur(4px);
        }

        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--gold);
            background: rgba(17,24,39,0.85);
            box-shadow: 0 0 0 4px rgba(250,204,21,0.14);
        }

        textarea {
            min-height: 110px;
            resize: vertical;
        }

        .cstm-crd-submit-btn {
            margin-top: 0.8rem;
            padding: 1.25rem 2rem;
            font-size: 1.18rem;
            font-weight: 700;
            color: var(--dark);
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            border: none;
            border-radius: 9999px;
            cursor: pointer;
            transition: all 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);
            box-shadow: 0 10px 30px rgba(250,204,21,0.28);
        }

        .cstm-crd-submit-btn:hover {
            transform: translateY(-5px) scale(1.03);
            box-shadow: 0 20px 50px rgba(250,204,21,0.4);
            background: linear-gradient(135deg, var(--gold-light), var(--gold));
        }

        @media (max-width: 640px) {
            .cstm-crd-form-section { padding: 2rem 1.5rem; }
            .cstm-crd-card-img   { max-width: 340px; }
        }