/* ============================================
   OPUS CONSULTANTS — Responsive Breakpoints
   Fully Responsive for Desktop, Tablet & Mobile
   ============================================ */

/* ---------- 1200px ---------- */
@media (max-width: 1200px) {
  .why-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-item:nth-child(even)::after {
    display: none;
  }

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

  .services-cards-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .footer-main {
    grid-template-columns: 1.5fr repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .footer-main .footer-col:nth-child(4),
  .footer-main .footer-col:nth-child(5) {
    grid-column: span 1;
  }
}

/* ---------- 1024px ---------- */
@media (max-width: 1024px) {
  :root {
    --nav-height: 70px;
  }

  .nav-inner {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
  }

  .nav-hamburger {
    display: flex;
    grid-column: 3;
    grid-row: 1;
  }

  /* Redesigned Services */
  .service-showcase-grid {
    grid-template-columns: 1fr;
  }

  .service-showcase-visual {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .service-visual-inner {
    min-height: 350px;
    height: 350px;
  }

  .services-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Redesigned About */
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about-visual {
    height: 480px;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }

  /* Document Viewer */
  .doc-preview-split {
    grid-template-columns: 1fr;
  }

  .doc-preview-media {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    min-height: 300px;
    height: 300px;
  }

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

  .process-timeline {
    flex-direction: column;
    gap: var(--space-xl);
    padding-left: 40px;
  }

  .process-line {
    width: 1px;
    height: 100%;
    top: 0;
    left: 18px;
    right: auto;
  }

  .process-line-fill {
    width: 100% !important;
    height: 0%;
    transition: height 0.8s var(--ease-out);
  }

  .process-step {
    text-align: left;
    padding: 0;
    padding-left: var(--space-lg);
  }

  .process-dot {
    position: absolute;
    left: -28px;
    top: 4px;
    margin: 0;
  }

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

  .workflow-stages {
    gap: var(--space-md);
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  :root {
    --nav-height: 112px;
  }

  .nav {
    height: auto;
    min-height: var(--nav-height);
  }

  .nav-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: auto auto;
    gap: 0.25rem 0.75rem;
    padding: 0.5rem 1rem 0.65rem;
  }

  .nav-logo {
    grid-column: 1;
    grid-row: 1;
  }

  .nav-cta {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: center;
    padding: 0.55rem 1rem;
  }

  .nav-hamburger {
    grid-column: 2;
    grid-row: 1;
  }
}

/* ---------- 768px ---------- */
@media (max-width: 768px) {
  :root {
    --space-section: clamp(3.5rem, 7vw, 5rem);
  }

  .container {
    padding: 0 var(--space-md);
  }

  .hero-content {
    padding: var(--space-xl) 0;
  }

  .hero-labels {
    display: none;
  }

  .hero-coords {
    display: none;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-md);
  }

  .metric-item {
    min-width: 0;
  }

  .metric-item::after {
    display: none;
  }

  .metric-item {
    padding: var(--space-lg) var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
  }

  /* About on Tablet/Mobile */
  .about-visual {
    height: 400px;
    max-width: 100%;
  }

  .about-floating-badge {
    padding: 8px 12px;
  }

  .about-badge-accuracy {
    right: 0;
    top: 15px;
  }

  .about-badge-speed {
    left: 0;
    bottom: 10px;
  }

  .about-badge-val {
    font-size: 0.9rem;
  }

  .about-badge-lbl {
    font-size: 0.55rem;
  }

  .about-pillars-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .about-actions {
    flex-direction: column;
    width: 100%;
  }

  .about-actions .btn {
    width: 100%;
    justify-content: center;
  }

  /* Services on Tablet/Mobile */
  .services-nav-tabs {
    margin-bottom: var(--space-md);
  }

  .service-nav-tab {
    min-width: 145px;
    padding: 12px 14px;
  }

  .service-showcase-content {
    padding: var(--space-lg);
  }

  .service-panel-title {
    font-size: 1.45rem;
  }

  .service-specs-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .service-actions-row {
    flex-direction: column;
    width: 100%;
  }

  .service-actions-row .btn {
    width: 100%;
    justify-content: center;
  }

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

  /* Projects & Documents */
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .project-card-title {
    font-size: 1.05rem;
  }

  .doc-preview-info {
    padding: var(--space-lg);
  }

  .doc-preview-title {
    font-size: 1.4rem;
  }

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

  .tech-ring,
  .tech-ring-inner {
    display: none;
  }

  .tech-stack {
    gap: var(--space-sm);
  }

  .tech-item {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--fs-body);
  }

  .doc-tabs {
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .doc-tab {
    padding: 0.5rem 1rem;
    font-size: 0.65rem;
  }

  .cta-title {
    font-size: var(--fs-h2);
  }

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

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

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

  .workflow-stage {
    width: 100%;
    max-width: 280px;
  }

  .workflow-canvas-container {
    height: 280px;
  }

  .projects-categories {
    gap: 0.4rem;
    overflow-x: auto;
    padding-bottom: 6px;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }

  .project-cat-btn {
    padding: 0.45rem 0.9rem;
    font-size: 0.65rem;
    white-space: nowrap;
  }
}

/* ---------- 480px ---------- */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

  .hero-title {
    font-size: clamp(2.2rem, 9.5vw, 3.2rem);
  }

  .hero-scroll {
    display: none;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
  }

  .metrics .metric-number {
    font-size: clamp(1.15rem, 5vw, 1.5rem);
    line-height: 1.2;
  }

  /* About on Small Mobile */
  .about-visual {
    height: 310px;
  }

  .about-img-secondary-wrap {
    width: 60%;
    height: 50%;
  }

  .about-floating-badge {
    padding: 6px 10px;
    gap: 8px;
  }

  .about-badge-icon {
    font-size: 1.1rem;
  }

  .about-badge-val {
    font-size: 0.8rem;
  }

  .about-badge-lbl {
    font-size: 0.5rem;
  }

  .about-title {
    font-size: clamp(1.6rem, 7vw, 2rem);
  }

  .about-subtitle {
    font-size: 0.95rem;
  }

  /* Services on Small Mobile */
  .service-visual-inner {
    min-height: 240px;
    height: 240px;
  }

  .service-showcase-content {
    padding: var(--space-md);
  }

  .service-panel-title {
    font-size: 1.25rem;
  }

  .service-panel-lead {
    font-size: 0.85rem;
  }

  .service-hud-badge {
    top: 10px;
    left: 10px;
    padding: 4px 8px;
    font-size: 0.55rem;
  }

  .service-format-pill {
    bottom: 10px;
    left: 10px;
    padding: 4px 10px;
    font-size: 0.58rem;
  }

  .service-features-list {
    gap: 0.5rem;
  }

  .service-feature-item {
    font-size: 0.8rem;
  }

  .services-cards-grid {
    grid-template-columns: 1fr;
  }

  /* Document Viewer Mobile */
  .doc-preview-media {
    height: 220px;
    min-height: 220px;
  }

  .doc-preview-info {
    padding: var(--space-md);
  }

  .doc-stamp-badge {
    bottom: 10px;
    left: 10px;
    padding: 4px 8px;
    font-size: 0.55rem;
  }

  .doc-preview-title {
    font-size: 1.25rem;
  }

  .doc-tabs {
    gap: 4px;
  }

  .doc-tab {
    padding: 0.45rem 0.8rem;
    font-size: 0.62rem;
  }

  .process-timeline {
    padding-left: 30px;
  }

  .upload-area {
    padding: var(--space-lg) var(--space-sm);
  }

  .contact-form-wrapper {
    padding: var(--space-lg) var(--space-md);
  }

  .mobile-menu {
    padding: var(--space-lg);
  }

  .mobile-menu-link {
    font-size: 1.4rem;
  }

  .loader-logo .logo-main {
    font-size: 1.4rem;
    letter-spacing: 0.15em;
  }

  .back-to-top {
    bottom: var(--space-md);
    right: var(--space-md);
    width: 38px;
    height: 38px;
  }
}

/* ---------- 375px ---------- */
@media (max-width: 375px) {
  .hero-title {
    font-size: 2.1rem;
  }

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

  .about-visual {
    height: 270px;
  }

  .about-img-hud {
    display: none;
  }

  .about-tech-hud {
    display: none;
  }

  .service-panel-title {
    font-size: 1.15rem;
  }

  .btn {
    padding: 0.85rem 1.4rem;
    font-size: 0.68rem;
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero-scroll-line {
    animation: none;
  }

  .tech-ring,
  .tech-ring-inner {
    animation: none;
  }

  .software-marquee-track,
  .nav-cta,
  .site-quote-link,
  .nav-cta::before,
  .site-quote-link::before,
  .mobile-menu-cta::before,
  .cta-buttons .btn-primary,
  .hero-cta a[href*="request-a-quote"],
  .mobile-menu-cta {
    animation: none;
  }

  .workflow-stage:hover,
  .why-card:hover,
  .project-card:hover .project-card-inner,
  .service-card-item:hover {
    transform: none;
  }

  .btn-primary:hover {
    transform: none;
  }
}

/* ---------- High Contrast ---------- */
@media (prefers-contrast: high) {
  :root {
    --color-border: rgba(255, 255, 255, 0.25);
    --color-text-muted: #C0C6CC;
    --color-text-dim: #8A929A;
  }
}

/* ---------- Print ---------- */
@media print {
  .nav,
  .loader,
  .cursor-dot,
  .cursor-ring,
  .cursor-label,
  .back-to-top,
  .scroll-progress,
  .hero-bg,
  .hero-labels,
  .hero-coords,
  .hero-scroll {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  section {
    page-break-inside: avoid;
  }
}