/* ========================================================================= */
/* UI/UX Pro Max - Multi-Device Synchronization & Responsive Architecture */
/* ========================================================================= */

/* Large Tablets & Small Laptops (max-width: 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .calc-box {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 28px;
  }

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

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* Mobile Devices & Small Tablets (max-width: 768px) */
@media (max-width: 768px) {
  .navbar {
    height: 66px;
  }

  .nav-links {
    display: none; /* Synchronized to Mobile Bottom Navigation */
  }

  .hero-section {
    padding: 28px 0 44px 0;
  }

  .hero-title {
    font-size: 1.875rem;
    line-height: 1.2;
  }

  .hero-subtitle {
    font-size: 0.9375rem;
  }

  .converter-card {
    padding: 18px 14px;
    border-radius: var(--radius-lg);
  }

  .hero-mockup-card {
    padding: 20px;
    border-radius: var(--radius-lg);
  }

  .calc-section {
    padding: 40px 0;
  }

  .calc-box {
    padding: 20px 16px;
  }

  .calc-result-box {
    padding: 20px 16px;
  }

  .calc-result-amount {
    font-size: 1.875rem;
  }

  .deals-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .deal-thumb-wrap {
    height: 200px;
  }

  .wallet-summary-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .referral-card {
    padding: 24px 18px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .social-proof-toast {
    bottom: 74px; /* Above mobile bottom bar */
    left: 12px;
    right: 12px;
    max-width: calc(100vw - 24px);
  }

  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 80px;
  }

  .toast {
    min-width: unset;
    width: 100%;
  }
}

/* Extra Small Phones (max-width: 480px) */
@media (max-width: 480px) {
  .hero-title {
    font-size: 1.625rem;
  }

  .converter-paste-btn {
    padding: 6px 10px;
    font-size: 0.75rem;
  }

  .hero-assurances {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .modal-content {
    padding: 20px 16px;
    margin: 12px;
  }
}

/* Mobile Bottom Navigation Bar for App-like feel */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-light);
  z-index: 1500;
  justify-content: space-around;
  align-items: center;
  padding: 0 8px;
}

@media (max-width: 768px) {
  body {
    padding-bottom: 64px;
  }

  .mobile-bottom-nav {
    display: flex;
  }
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  color: var(--text-muted);
  font-size: 0.6875rem;
  font-weight: 600;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-nav-item.active, .mobile-nav-item:hover {
  color: var(--primary);
}

.mobile-nav-item svg {
  width: 20px;
  height: 20px;
}