/* =========================================
   SINCROSYS — RESPONSIVE OVERRIDES & ENHANCEMENTS
   ========================================= */

/* Mobile Nav Overlay & Drawer */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.nav-overlay--visible {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 992px) {
  .navbar__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: calc(var(--nav-height) + var(--space-6)) var(--space-8) var(--space-8);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    box-shadow: -10px 0 40px rgba(15, 23, 42, 0.1);
    border-left: 1px solid var(--border);
    transform: none;
    left: auto;
    overflow-y: auto;
    gap: var(--space-2);
  }

  .navbar__links--open {
    right: 0;
  }

  .navbar__link {
    color: var(--text) !important;
    font-size: 1.1rem;
    padding: 0.75rem var(--space-4);
    height: auto;
    border-radius: var(--radius-xs);
    font-weight: 600;
  }

  .navbar__link:hover, .navbar__link--active {
    background: var(--accent-soft) !important;
    color: var(--accent) !important;
  }

  .navbar__dropdown-menu {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: var(--bg);
    box-shadow: none;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--space-2);
    margin: var(--space-2) 0 var(--space-3) var(--space-4);
  }

  .navbar__dropdown-item {
    color: var(--text-secondary);
    padding: 8px 12px;
  }

  .navbar__mobile-toggle {
    display: flex;
  }

  .navbar__cta {
    display: none;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-10);
  }

  .hero__content {
    max-width: 100%;
    margin: 0 auto;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__stats {
    justify-content: center;
  }

  .hero__visual {
    margin-top: var(--space-4);
  }

  .hero__visual-tag {
    display: none;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

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

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

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

@media (max-width: 768px) {
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 992px) {
  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile-first enhancements */
@media (max-width: 576px) {
  .container {
    padding: 0 var(--space-4);
  }
  .section {
    padding: var(--space-12) 0;
  }
  .section--hero {
    padding: calc(var(--nav-height) + var(--space-6)) 0 var(--space-10);
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .hero__actions {
    flex-direction: column;
  }
  .hero__stats {
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
  }
  .stats__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  @media (min-width: 768px) {
    .products-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  .product-card__features {
    grid-template-columns: 1fr;
  }
  .footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .page-hero {
    padding-top: calc(var(--nav-height) + 36px);
    padding-bottom: var(--space-10);
  }
  h1 {
    font-size: 2.15rem;
  }
  h2 {
    font-size: 1.7rem;
  }
  .card {
    padding: var(--space-6);
  }
  .product-card {
    padding: var(--space-6);
  }
}

/* Large Screens */
@media (min-width: 1600px) {
  :root {
    --container: 1360px;
  }
}

/* Smooth reveal animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }
.animate-delay-4 { animation-delay: 0.4s; opacity: 0; }

/* Print styles */
@media print {
  .navbar, .footer, .btn, .cta, .form-success { display: none !important; }
  body { font-size: 12pt; color: #000; background: #fff; }
  a { text-decoration: underline; color: #000; }
}