/* Sidebar Button */
    .side-toggle-btn {
      position: fixed;
      top: 40%;
      right: 0;
      z-index: 101;
      width: 50px;
      height: 120px;
      background: #405152;
      color: #b9cfd1;
      border: none;
      border-radius: 0;
      box-shadow: 0 4px 24px #1a232488;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      padding: 0;
      transition: background 0.14s, box-shadow 0.14s;
    }
    .side-toggle-btn:hover {
      background: #536264;
    }
    .side-toggle-row {
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      height: 80%;
    }
    .side-toggle-text {
      writing-mode: vertical-rl;
      transform: rotate(180deg);
      font-size: 12px;
      font-weight: 300;
      color: #b9cfd1;
      letter-spacing: 0.13em;
      margin: 0;
      user-select: none;
      pointer-events: none;
      line-height: 1.10;
      display: block;
    }
    .side-toggle-chevron {
      font-size: 16px;
      color: #fff;
      margin-left: 13px;
      user-select: none;
      pointer-events: none;
      line-height: 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    @media (max-width: 700px) {
      .side-toggle-btn { width: 58px; height: 120px; }
      .side-toggle-row { height: 90%; }
      .side-toggle-text { font-size: 0.98em; }
      .side-toggle-chevron { font-size: 1.3em; margin-left: 7px; }
    }
    .contact-sidebar-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(40, 50, 54, 0.45);
      z-index: 110;
    }
    .contact-sidebar-overlay.active {
      display: block;
      animation: fadeIn 0.25s;
    }
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
    .contact-sidebar {
      position: fixed;
      top: 0;
      right: -480px;
      width: 480px;
      max-width: 98vw;
      height: 100vh;
      background: #364141;
      z-index: 1000;
      box-shadow: -5px 0 30px #1115;
      padding: 0;
      overflow-y: auto;
      transition: right 0.38s cubic-bezier(0.6, 0, 0.6, 1);
      display: flex;
      flex-direction: column;
    }
    .contact-sidebar.active {
      right: 0;
      transition: right 0.35s cubic-bezier(0.5, 1.5, 0.5, 1);
    }
    .sidebar-close-btn {
      position: absolute;
      top: 18px;
      right: 20px;
      background: none;
      color: #b2c6c7;
      border: none;
      font-size: 2.3em;
      cursor: pointer;
      z-index: 15;
      transition: color 0.2s;
    }
    .sidebar-close-btn:hover { color: #fff; }
    .sidebar-form-container {
      width: 100%;
      padding: 32px 28px 38px 28px;
      margin-top: 0;
    }
    .sidebar-form-container h2,
    .sidebar-form-container h3 {
      text-align: center;
      font-weight: 600;
      letter-spacing: 1px;
    }
    .sidebar-form-container h2 {
      margin-bottom: 18px;
      font-size: 1.07rem;
      margin-top: 10px;
    }
    .sidebar-form-container h3 {
      margin-bottom: 22px;
      font-size: 1.01rem;
      margin-top: 28px;
      letter-spacing: 0.8px;
    }
    .form-label {
      font-size: 0.95em;
      font-weight: 500;
      color: #c7d1d1;
      letter-spacing: 0.04em;
      margin-bottom: 3px;
      display: block;
    }
    .form-input,
    .form-select,
    .form-textarea {
      width: 100%;
      background: #435052;
      border: none;
      border-radius: 3px;
      color: #fff;
      font-size: 1em;
      padding: 10px 12px;
      margin-bottom: 10px;
      font-family: inherit;
      outline: none;
      box-sizing: border-box;
      transition: box-shadow 0.2s;
    }
    .form-input:focus,
    .form-select:focus,
    .form-textarea:focus {
      box-shadow: 0 0 0 2px #8ca1a1;
    }
    /* Modern Phone Field */
    .phone-field {
      position: relative;
      display: flex;
      align-items: center;
      background: #435052;
      border-radius: 3px;
      padding-left: 8px;
      margin-bottom: 10px;
    }
    .phone-field select {
      background: #435052;
      color: #fff;
      border: none;
      outline: none;
      font-size: 1em;
      padding: 9px 30px 9px 0;
      min-width: 150px;
      border-radius: 3px 0 0 3px;
      appearance: none;
      -webkit-appearance: none;
      -moz-appearance: none;
      cursor: pointer;
    }
    .phone-field::after {
      content: "▼";
      position: absolute;
      right: 8px;
      color: #b9cfd1;
      pointer-events: none;
      font-size: 0.85em;
    }
    .phone-input {
      border: none;
      background: transparent;
      color: #fff;
      font-size: 1em;
      padding: 10px 0;
      flex: 1;
      outline: none;
      margin-left: 5px;
    }
    .form-textarea {
      resize: vertical;
      min-height: 80px;
      max-height: 180px;
      margin-bottom: 14px;
    }
    .form-checkbox-row {
      display: flex;
      align-items: center;
      font-size: 0.98em;
      margin: 8px 0 18px 0;
      color: #bfcfcf;
    }
    .form-checkbox {
      width: 18px;
      height: 18px;
      accent-color: #8ca1a1;
      margin-right: 10px;
      cursor: pointer;
    }
    .form-checkbox-row a {
      color: #8ca1a1;
      text-decoration: underline;
    }
    .recaptcha {
      background: #fff;
      border-radius: 7px;
      box-shadow: 0 2px 8px #0001;
      display: flex;
      align-items: center;
      padding: 12px 14px;
      margin: 0 auto 18px auto;
      width: 310px;
      font-size: 0.98em;
    }
    .recaptcha-checkbox {
      width: 18px;
      height: 18px;
      accent-color: #8ca1a1;
      margin-right: 10px;
      cursor: pointer;
    }
    .recaptcha-label {
      color: #232323;
      font-size: 0.99em;
      margin-right: auto;
    }
    .recaptcha-badge {
      font-size: 0.85em;
      color: #6a7a7a;
      margin-left: 10px;
      font-family: Arial, sans-serif;
    }
    .form-submit-btn {
      width: 310px;
      display: block;
      margin: 0 auto;
      padding: 13px 0 12px 0;
      border-radius: 7px;
      border: none;
      font-size: 1.17em;
      font-weight: 500;
      background: #8ca1a1;
      color: #fff;
      cursor: pointer;
      transition: background 0.18s;
      margin-top: 8px;
      box-shadow: 0 1px 4px #0002;
    }
    .form-submit-btn:disabled {
      background: #b5bfc0;
      cursor: not-allowed;
    }
    @media (max-width: 600px) {
      .contact-sidebar { width: 99vw; max-width: 99vw; }
      .sidebar-form-container { padding: 16px 4vw 22px 4vw; }
      .recaptcha, .form-submit-btn { width: 98vw; max-width: 340px; }
      .sidebar-close-btn { top: 12px; right: 8px; font-size: 2em; }
      .phone-field select { min-width: 36vw; }
    }
    @media (max-width: 400px) {
      .recaptcha, .form-submit-btn { width: 96vw; }
      .sidebar-form-container { padding: 10px 2vw 14px 2vw; }
    }