/* ==========================================
   RESPONSIVE STYLES
   ========================================== */

/* --- Tablet (1023px and below) --- */
@media (max-width: 1023px) {
  .nav-links { display: none; }
  .mobile-toggle { display: flex; }

  .hero { padding: 120px var(--space-4) 140px; }
  .hero h1 { font-size: clamp(2rem, 6vw, 3.5rem); }

  .steps-grid { grid-template-columns: 1fr; max-width: 500px; margin-left: auto; margin-right: auto; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 500px; margin-left: auto; margin-right: auto; }

  #about .container > div:last-child { grid-template-columns: 1fr !important; }

  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

/* --- Mobile (767px and below) --- */
@media (max-width: 767px) {
  .container { padding: 0 var(--space-4); }
  .section { padding: var(--space-16) 0; }

  .hero { padding: 100px var(--space-4) 120px; min-height: auto; }
  .hero h1 { font-size: clamp(1.8rem, 8vw, 2.8rem); }
  .hero > p { font-size: 16px; }

  .live-stats { gap: var(--space-6); }
  .live-stat .value { font-size: 24px; }

  .filter-bar { flex-direction: column; align-items: stretch; }
  .search-box { max-width: none; }

  .trader-grid { grid-template-columns: 1fr; }

  .popup-content { max-width: 100%; border-radius: var(--radius-lg); max-height: 95vh; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .popup-header { padding: var(--space-3) var(--space-4); }
  .popup-header img { width: 44px; height: 44px; }
  .popup-header .info h3 { font-size: 15px; }

  .popup-tabs { padding: 0 var(--space-4); }
  .popup-tab { padding: 12px 14px; font-size: 13px; }

  .popup-body-inner { padding: var(--space-4); }

  .xprofile-grid { gap: var(--space-6); }

  .risk-donut-wrap { flex-direction: column; align-items: center; }

  .wallet-popup .popup-content { max-width: 100%; }

  .cta-section { padding: var(--space-16) 0; }

  .footer-grid { grid-template-columns: 1fr; text-align: center; gap: var(--space-8); }
  .footer-brand p { max-width: none; margin-left: auto; margin-right: auto; }
  .footer-social { justify-content: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* --- Small Mobile (479px and below) --- */
@media (max-width: 479px) {
  .hero h1 { font-size: 2rem; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .hero-buttons .btn { width: 100%; max-width: 280px; }

  .live-stats { gap: var(--space-5); }
  .live-stat .value { font-size: 20px; }

  .marquee-item { padding: 0 var(--space-5); }

  .card-stats { gap: var(--space-4); }
  .card-stat .value { font-size: 15px; }

  .stats-grid { gap: 8px; }
  .stat-box { padding: var(--space-3); }
  .stat-box .value { font-size: 15px; }

  .wallet-option { padding: 14px; }
  .wallet-icon { width: 40px; height: 40px; }
}

/* --- Trader Popup: responsive history table --- */
@media (max-width: 640px) {
  .td-h-row {
    grid-template-columns: 1.4fr 1fr 0.7fr 0.7fr;
  }
  .td-h-row.td-h-header span:nth-child(2),
  .td-h-row .td-h-ca { display: none; }
  .td-cta-inline .td-cta-btn {
    font-size: 11px;
    padding: 12px 14px;
  }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .marquee-track { animation: none; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .reveal.reveal-hidden { opacity: 1 !important; transform: none !important; }
}