@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .brand-text {
    display: inline;
  }

  .hero-topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

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

  .hero-copy {
    padding-top: 2rem;
  }

  .hero-highlights {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .services-grid,
  .choose-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .site-header {
    padding: 0.75rem 0;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    padding: 1rem 0;
    background: rgba(11, 43, 43, 0.98);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .hero-topbar {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding-bottom: 0.5rem;
    z-index: 100;
  }

  .hero-nav {
    display: none;
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.2rem;
    background: #071e1e;
    border-radius: 20px;
    border: 1px solid rgba(0, 255, 247, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85), 0 0 30px rgba(0, 255, 247, 0.1);
    z-index: 1000;
    animation: slideDown 0.3s ease;
  }

  .hero-nav.open {
    display: flex;
  }

  .hero-nav a {
    display: block;
    width: 100%;
    padding: 1rem 1.2rem;
    border-radius: 14px;
    background: rgba(0, 128, 128, 0.35);
    color: #ffffff !important;
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.03em;
    transition: all 0.25s ease;
    border: 1px solid rgba(0, 255, 247, 0.25);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    z-index: 1001;
    pointer-events: auto;
    text-decoration: none;
  }

  .hero-nav a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 247, 0.25), transparent);
    transform: translateX(-100%);
    transition: transform 0.4s ease;
    pointer-events: none;
  }

  .hero-nav a:hover,
  .hero-nav a:active {
    background: rgba(0, 255, 247, 0.3);
    color: #ffffff !important;
    border-color: rgba(0, 255, 247, 0.5);
    transform: translateX(4px);
  }

  .hero-nav a:hover::before {
    transform: translateX(100%);
  }

  .hero-nav a:focus-visible {
    outline: 2px solid rgba(0, 255, 247, 0.6);
    outline-offset: 2px;
  }

  .hero-section {
    padding-top: 4rem;
  }

  .hero-copy h1 {
    font-size: 2.7rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .hero-copy h1 {
    font-size: 2.5rem;
  }

  .hero-copy p {
    font-size: 1rem;
  }

  .hero-card,
  .contact-card,
  .map-card,
  .stat-card,
  .service-card,
  .feature-card,
  .contact-form {
    border-radius: 24px;
    padding: 1.5rem;
  }

  .form-footer {
    flex-direction: column;
    align-items: stretch;
  }
}