/* ─── Reset & Base ─────────────────────────────────── */

  /* ─── CSS Variables ─────────────────────────────────── */
  :root {
    --blue: #4361ee;
    --blue-dark: #3a0ca3;
    --green: #25d366;
    --green-dark: #128c5e;
    --red: #ef4444;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-600: #475569;
    --gray-800: #1e293b;
    --white: #ffffff;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.10), 0 2px 6px rgba(0,0,0,0.06);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.18), 0 8px 20px rgba(0,0,0,0.10);
    --transition: 0.2s ease;
  }


  /* ─── Fixed Side Icons ──────────────────────────────── */
  #rk-enquiry-forms .rk-fab-group {
    position: fixed;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 900;
  }
  #rk-enquiry-forms .rk-fab {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    text-decoration: none;
    border: 2px solid rgba(255,255,255,0.25);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition), box-shadow var(--transition);
    cursor: pointer;
  }
  #rk-enquiry-forms .rk-fab:hover { transform: scale(1.1) translateX(3px); box-shadow: var(--shadow-lg); }
  #rk-enquiry-forms .rk-fab.phone { background: #1321a6; }
  #rk-enquiry-forms .rk-fab.whatsapp { background: #25d366; }
  #rk-enquiry-forms .rk-fab.mail { background: #e53e3e; }

  /* ─── Tooltip on FAB ────────────────────────────────── */
  #rk-enquiry-forms .rk-fab-wrap { position: relative; }
  #rk-enquiry-forms .rk-fab-wrap .rk-tip {
    position: absolute;
    left: 58px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gray-800);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--transition);
  }
  #rk-enquiry-forms .rk-fab-wrap:hover .rk-tip { opacity: 1; }

  /* ─── Overlay ───────────────────────────────────────── */
  .rk-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 16px;
    animation: rk-fade-in 0.2s ease;
  }
  .rk-overlay.active { display: flex; }
  @keyframes rk-fade-in { from { opacity: 0; } to { opacity: 1; } }

  /* ─── Modal Card ────────────────────────────────────── */
  .rk-modal {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 460px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: rk-slide-up 0.25s ease;
    max-height: 95vh;
    display: flex;
    flex-direction: column;
  }
  @keyframes rk-slide-up {
    from { opacity: 0; transform: translateY(24px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }

  /* ─── Modal Header ──────────────────────────────────── */
  .rk-modal-head {
    padding: 28px 28px 22px;
    display: flex;
    align-items: flex-start;
    gap: 14px;
    position: relative;
    flex-shrink: 0;
  }
  .rk-modal-head.blue-head { background: linear-gradient(135deg, #4361ee, #3a0ca3); }
  .rk-modal-head.green-head { background: linear-gradient(135deg, #25d366, #128c5e); }
  .rk-head-icon {
    width: 46px; height: 46px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: #fff; flex-shrink: 0;
  }
  .rk-head-text h2 { font-size: 19px; font-weight: 700; color: #fff; line-height: 1.2; }
  .rk-head-text p { font-size: 13px; color: rgba(255,255,255,0.78); margin-top: 4px; }
  .rk-close {
    position: absolute; top: 14px; right: 16px;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: none;
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background var(--transition);
  }
  .rk-close:hover { background: rgba(255,255,255,0.3); }

  /* ─── Modal Body ────────────────────────────────────── */
  .rk-modal-body {
    padding: 24px 28px 26px;
    overflow-y: auto;
    flex: 1;
  }

  /* ─── Form Fields ───────────────────────────────────── */
  .rk-group { margin-bottom: 14px; }
  .rk-row { display: flex; gap: 12px; }
  .rk-row .rk-group { flex: 1; }
  .rk-label {
    display: block;
    font-size: 11.5px;
    font-weight: 700;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
  }
  .rk-input {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: inherit;
    color: var(--gray-800);
    background: var(--gray-50);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  }
  .rk-input:focus {
    border-color: var(--blue);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(67,97,238,0.12);
  }
  .rk-input.green-focus:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(37,211,102,0.12); }
  .rk-input::placeholder { color: var(--gray-400); }
  textarea.rk-input { min-height: 80px; resize: vertical; line-height: 1.6; }

  /* ─── Captcha Row ───────────────────────────────────── */
  .rk-captcha-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--gray-100);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    margin-bottom: 14px;
  }
  .rk-captcha-code {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 6px;
    background: linear-gradient(135deg, #4361ee, #e53e3e);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    flex: 1;
    text-align: center;
    user-select: none;
    padding: 2px 0;
  }
  .rk-refresh-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 12px;
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition);
    white-space: nowrap;
  }
  .rk-refresh-btn:hover { border-color: var(--blue); color: var(--blue); }

  /* ─── Submit Button ─────────────────────────────────── */
  .rk-submit {
    width: 100%;
    padding: 13px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: opacity var(--transition), transform var(--transition);
    letter-spacing: 0.02em;
  }
  .rk-submit.blue-btn { background: linear-gradient(135deg, #4361ee, #3a0ca3); }
  .rk-submit.green-btn { background: linear-gradient(135deg, #25d366, #128c5e); }
  .rk-submit:hover { opacity: 0.92; transform: translateY(-1px); }
  .rk-submit:active { transform: translateY(0); opacity: 1; }
  .rk-submit:disabled { background: var(--gray-400) !important; cursor: not-allowed; transform: none; opacity: 1; }

  /* ─── Alert Messages ────────────────────────────────── */
  .rk-alert {
    display: none;
    margin-top: 12px;
    padding: 11px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    text-align: center;
    animation: rk-fade-in 0.2s ease;
  }
  .rk-alert.success { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; display: block; }
  .rk-alert.error   { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; display: block; }

  /* ─── Spinner ───────────────────────────────────────── */
  .rk-spinner {
    width: 18px; height: 18px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: rk-spin 0.7s linear infinite;
    display: inline-block;
  }
  @keyframes rk-spin { to { transform: rotate(360deg); } }

  /* ─── Form Footer ───────────────────────────────────── */
  .rk-form-footer {
    display: flex; align-items: center; justify-content: center; gap: 6px;
    margin-top: 16px;
    font-size: 11.5px;
    color: var(--gray-400);
  }

  /* ─── Divider ───────────────────────────────────────── */
  .rk-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 16px 0;
  }

  /* ─── Steps Progress (mail form) ───────────────────── */
  .rk-steps {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 22px;
  }
  .rk-step {
    display: flex; align-items: center; gap: 8px;
    font-size: 12px; font-weight: 600;
    color: var(--gray-400);
    flex: 1;
  }
  .rk-step.active { color: var(--blue); }
  .rk-step.done   { color: var(--green-dark); }
  .rk-step-dot {
    width: 26px; height: 26px;
    border-radius: 50%;
    border: 2px solid var(--gray-200);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 700;
    flex-shrink: 0;
    transition: all var(--transition);
  }
  .rk-step.active .rk-step-dot { border-color: var(--blue); background: var(--blue); color: #fff; }
  .rk-step.done .rk-step-dot   { border-color: var(--green-dark); background: var(--green-dark); color: #fff; }
  .rk-step-line {
    flex: 1; height: 2px; background: var(--gray-200); margin: 0 4px;
  }
  .rk-step-line.done { background: var(--green-dark); }

  /* ─── Step Panels ───────────────────────────────────── */
  .rk-panel { display: none; }
  .rk-panel.active { display: block; }

  /* ─── Next/Back Btns ────────────────────────────────── */
  .rk-btn-row { display: flex; gap: 10px; margin-top: 4px; }
  .rk-back-btn {
    flex: 1; padding: 12px;
    background: var(--white);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 600;
    color: var(--gray-600);
    cursor: pointer;
    transition: border-color var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 6px;
  }
  .rk-back-btn:hover { border-color: var(--blue); color: var(--blue); }
  .rk-next-btn {
    flex: 2; padding: 12px;
    background: var(--blue);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 700;
    color: #fff;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center; gap: 6px;
    transition: opacity var(--transition), transform var(--transition);
  }
  .rk-next-btn:hover { opacity: 0.9; transform: translateY(-1px); }

  /* ─── Responsive ────────────────────────────────────── */
  @media (max-width: 500px) {
    .rk-row { flex-direction: column; gap: 0; }
    .rk-modal-head { padding: 22px 20px 18px; }
    .rk-modal-body { padding: 18px 20px 22px; }
    .rk-captcha-wrap { flex-direction: column; }
    .rk-captcha-code { letter-spacing: 4px; font-size: 1.3rem; }
  }