/* ═══════════════════════════════════════════
   RESPONSIVE.CSS — Mobile & Tablet Breakpoints
   ═══════════════════════════════════════════ */

@media (max-width: 900px) {
  .exchange-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Header */
  .mobile-toggle {
    display: flex;
  }

  .nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(255, 249, 245, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 12px 24px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    gap: 4px;
  }

  .nav.open {
    display: flex;
  }

  .nav__btn {
    text-align: left;
    padding: 12px 16px;
    border-radius: 12px;
  }

  .wallet-btn {
    padding: 10px 16px;
    font-size: 13px;
  }

  .header__inner {
    gap: 8px;
  }

  /* Hero */
  .hero {
    padding: 40px 0 32px;
  }

  .hero__badge {
    font-size: 13px;
    padding: 8px 18px;
    margin-bottom: 20px;
  }

  .hero__desc {
    font-size: 15px;
    margin-bottom: 28px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .btn--primary,
  .btn--outline {
    width: 100%;
    max-width: 300px;
  }

  /* Stats */
  .stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-card__value {
    font-size: 20px;
  }

  /* Chart */
  .chart-card {
    padding: 16px;
  }

  .chart-card__price {
    font-size: 24px;
  }

  #priceChart {
    height: 160px;
  }

  /* Swap Card */
  .swap-card {
    padding: 20px;
  }

  .amount-input {
    font-size: 22px;
  }

  /* Features */
  .features {
    grid-template-columns: 1fr;
  }

  /* Portfolio */
  .port-summary {
    grid-template-columns: 1fr;
  }

  .port-total__value,
  .port-card__value {
    font-size: 26px;
  }

  .port-row {
    padding: 14px;
  }

  /* Deposit */
  .deposit-card {
    padding: 20px;
  }

  .deposit-card__input {
    font-size: 22px;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    gap: 16px;
  }

  /* Modal */
  .modal {
    width: 95%;
    padding: 20px;
    max-height: 80vh;
  }

  .wallet-modal__head {
    font-size: 18px;
  }
}

@media (max-width: 400px) {
  .main {
    padding: 20px 16px 60px;
  }

  .header {
    padding: 0 16px;
  }

  .logo__text {
    font-size: 17px;
  }

  .pool-header-row,
  .pool-row {
    font-size: 12px;
    padding: 12px;
  }
}