/* ============================================
   THAI BIOMASS - contact page styles
   Extracted from inline <style> so the browser can cache it.
============================================ */

    .contact-page {
      padding-top: 72px;
    }

    /* TABS */
    .contact-tabs {
      display: flex;
      gap: 0;
      background: var(--bg-card);
      border-bottom: 1px solid var(--border);
      max-width: 500px;
      margin: 0 auto;
      border-radius: 16px 16px 0 0;
      overflow: hidden;
    }

    .contact-tab {
      flex: 1;
      padding: 1rem 1.5rem;
      background: transparent;
      border: none;
      color: var(--text-muted);
      font-size: 0.9rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      font-family: 'Inter', sans-serif;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
    }

    .contact-tab.active {
      background: var(--primary-glow);
      color: var(--primary);
      border-bottom: 2px solid var(--primary);
    }

    .contact-tab:hover:not(.active) {
      color: var(--text);
      background: rgba(255,255,255,0.03);
    }

    /* FORM LAYOUT */
    .contact-section {
      padding: 4rem 0 6rem;
      background: var(--bg-dark);
    }

    .contact-layout {
      display: grid;
      grid-template-columns: 1fr 1.6fr;
      gap: 3rem;
      align-items: start;
    }

    /* INFO PANEL */
    .contact-info-panel {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .info-card {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.3s ease;
    }

    .info-card:hover {
      border-color: rgba(46,232,165,0.25);
    }

    .info-card h3 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.6rem;
    }

    .info-card h3 i {
      color: var(--primary);
      width: 20px;
    }

    .contact-detail {
      display: flex;
      align-items: flex-start;
      gap: 0.85rem;
      margin-bottom: 1rem;
      color: var(--text-light);
      font-size: 0.9rem;
    }

    .contact-detail:last-child {
      margin-bottom: 0;
    }

    .contact-detail i {
      color: var(--primary);
      width: 18px;
      margin-top: 2px;
      flex-shrink: 0;
    }

    .contact-detail a {
      color: var(--text-light);
    }

    .contact-detail a:hover {
      color: var(--primary);
    }

    /* WhatsApp Button */
    .wa-btn {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      background: #25D366;
      color: white;
      padding: 0.85rem 1.25rem;
      border-radius: var(--radius);
      font-weight: 700;
      font-size: 0.9rem;
      transition: var(--transition);
    }

    .wa-btn:hover {
      background: #1ebe5d;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(37,211,102,0.3);
    }

    .line-btn {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      background: #00B900;
      color: white;
      padding: 0.85rem 1.25rem;
      border-radius: var(--radius);
      font-weight: 700;
      font-size: 0.9rem;
      transition: var(--transition);
      margin-top: 0.75rem;
    }

    .line-btn:hover {
      background: #00a300;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0,185,0,0.3);
    }

    /* FORM PANEL */
    .form-panel {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      padding: 2.5rem;
      transition: background 0.4s ease, border-color 0.4s ease;
    }

    .form-panel-title {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 0.4rem;
    }

    .form-panel-subtitle {
      color: var(--text-light);
      font-size: 0.9rem;
      margin-bottom: 2rem;
    }

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

    /* Volume estimator in form */
    .volume-selector {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 0.5rem;
      margin-top: 0.5rem;
    }

    .vol-opt {
      padding: 0.6rem 0.5rem;
      background: var(--bg-dark);
      border: 1px solid var(--border);
      border-radius: 8px;
      text-align: center;
      cursor: pointer;
      font-size: 0.78rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .vol-opt:hover {
      border-color: rgba(46,232,165,0.4);
      color: var(--primary);
    }

    .vol-opt.selected {
      border-color: var(--primary);
      background: var(--primary-glow);
      color: var(--primary);
    }

    .submit-btn {
      width: 100%;
      padding: 1rem;
      background: var(--gradient-primary);
      color: var(--bg-dark);
      border: none;
      border-radius: var(--radius);
      font-size: 1.05rem;
      font-weight: 700;
      cursor: pointer;
      font-family: 'Inter', sans-serif;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.75rem;
      transition: var(--transition);
      margin-top: 1.5rem;
    }

    .submit-btn:hover:not(:disabled) {
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(46, 232, 165, 0.4);
    }

    .submit-btn:disabled {
      opacity: 0.7;
      cursor: not-allowed;
    }

    .form-tabs {
      display: none;
    }

    /* Tab panels */
    .tab-panel {
      display: none;
    }

    .tab-panel.active {
      display: block;
    }

    /* SUCCESS STATE */
    .success-state {
      text-align: center;
      padding: 3rem 2rem;
    }

    .success-icon {
      width: 80px;
      height: 80px;
      border-radius: 50%;
      background: var(--primary-glow);
      border: 2px solid rgba(46,232,165,0.4);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2rem;
      color: var(--primary);
      margin: 0 auto 1.5rem;
    }

    .success-state h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 0.75rem;
    }

    .success-state p {
      color: var(--text-light);
      margin-bottom: 2rem;
    }

    /* MAP */
    .map-section {
      background: var(--bg-card-2);
      border-top: 1px solid var(--border);
      padding: 4rem 0;
    }

    .map-placeholder {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      height: 450px;
      margin-top: 2rem;
      overflow: hidden;
      position: relative;
    }

    .map-placeholder iframe {
      width: 100%;
      height: 100%;
      border: 0;
      display: block;
    }

    /* FAQ */
    .faq-section {
      padding: 5rem 0;
      background: var(--bg-dark);
    }

    .faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      margin-bottom: 0.75rem;
      overflow: hidden;
      transition: var(--transition);
    }

    .faq-item:hover {
      border-color: rgba(46,232,165,0.2);
    }

    .faq-q {
      width: 100%;
      background: none;
      border: none;
      padding: 1.25rem 1.5rem;
      text-align: left;
      color: var(--text);
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      font-family: 'Inter', sans-serif;
      transition: var(--transition);
    }

    .faq-q:hover {
      color: var(--primary);
    }

    .faq-q i {
      color: var(--primary);
      flex-shrink: 0;
    }

    .faq-a {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
    }

    .faq-a.open {
      max-height: 300px;
    }

    .faq-a-inner {
      padding: 0 1.5rem 1.25rem;
      font-size: 0.88rem;
      color: var(--text-light);
      line-height: 1.7;
      border-top: 1px solid var(--border);
      padding-top: 1rem;
    }

    @media (max-width: 1024px) {
      .contact-layout { grid-template-columns: 1fr; }
    }

    @media (max-width: 640px) {
      .form-row { grid-template-columns: 1fr; }
      .volume-selector { grid-template-columns: repeat(2, 1fr); }
      .form-panel { padding: 1.5rem; }
    }

    /* ===== CLICK-TO-REVEAL CONTACT DETAILS ===== */
    .reveal-wrap {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      flex-wrap: wrap;
    }

    .reveal-btn {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.25rem 0.7rem;
      border-radius: 6px;
      border: 1.5px dashed var(--border-light);
      background: transparent;
      color: var(--text-muted);
      font-size: 0.82rem;
      font-weight: 600;
      font-family: 'Inter', sans-serif;
      cursor: pointer;
      transition: border-color 0.2s, color 0.2s, background 0.2s;
      letter-spacing: 0.01em;
    }

    .reveal-btn:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: var(--primary-glow);
    }

    .reveal-btn i {
      font-size: 0.72rem;
    }

    .reveal-value {
      font-weight: 600;
      color: var(--text);
      font-size: 0.95rem;
      display: none;
      align-items: center;
      gap: 0.5rem;
    }

    .reveal-value.shown {
      display: inline-flex;
    }

    .reveal-value a {
      color: var(--primary);
      text-decoration: none;
      font-weight: 700;
    }

    .reveal-value a:hover {
      text-decoration: underline;
    }

    .reveal-copy-btn {
      background: none;
      border: none;
      cursor: pointer;
      color: var(--text-muted);
      font-size: 0.78rem;
      padding: 0.1rem 0.3rem;
      border-radius: 4px;
      transition: color 0.2s;
      font-family: 'Inter', sans-serif;
    }

    .reveal-copy-btn:hover { color: var(--primary); }
    .reveal-copy-btn.copied { color: var(--primary); }