/* ==========================================================================
   RESPONSIVE.CSS — Mobile-first breakpoints
   ========================================================================== */

/* ---------- TABLET & BELOW (< 1024px) ---------- */
@media (max-width: 1023px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

  .bento-large {
    grid-column: span 2;
  }

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

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

  .forge-bottom {
    grid-column: 1;
  }

  .forge-cardex {
    height: 360px;
  }

  .forge-promises {
    flex-wrap: wrap;
  }

  .forge-cta-btn {
    margin-left: 0;
    width: 100%;
    text-align: center;
  }

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

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

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

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

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

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

/* ---------- MOBILE (< 768px) ---------- */
@media (max-width: 767px) {
  :root {
    --nav-height: 64px;
  }

  /* Prevent horizontal overflow */
  html, body {
    overflow-x: hidden;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

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

  /* --- HERO mobile --- */
  .hero {
    padding: calc(var(--nav-height) + var(--space-md)) var(--space-md) var(--space-lg);
  }

  .hero-title {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .hero-title-sub {
    font-size: var(--text-base);
  }

  .hero-tagline {
    font-size: var(--text-base);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .stat-divider {
    width: 40px;
    height: 1px;
  }

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

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

  /* --- FORGE mobile --- */
  .forge-layout {
    gap: var(--space-lg);
  }

  .forge-title span:first-child {
    font-size: var(--text-3xl);
  }

  .forge-subtitle {
    font-size: var(--text-base);
  }

  .forge-desc {
    font-size: var(--text-base);
    margin-bottom: var(--space-md);
  }

  .forge-cardex {
    height: 280px;
  }

  .forge-cardex-item {
    white-space: normal;
    font-size: var(--text-sm);
    padding: var(--space-sm) var(--space-sm);
  }

  .forge-bottom {
    padding-top: var(--space-lg);
  }

  .forge-timeline {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .forge-arrow {
    transform: rotate(90deg);
    margin: 0 auto;
    width: 20px;
    height: 20px;
  }

  .forge-step {
    padding: var(--space-md);
  }

  .forge-promises {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .forge-promise {
    width: 100%;
    flex-direction: row;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
  }

  .forge-promise strong {
    white-space: nowrap;
  }

  /* --- Text overflow safety --- */
  .forge-desc,
  .forge-desc-secondary,
  .forge-step-desc,
  .section-desc,
  .bento-text,
  .split-text,
  .service-desc,
  .contact-desc,
  .hero-tagline,
  .method-text,
  .industry-detail,
  .training-card-tagline,
  .module-topics,
  .kpi-text,
  .course-hero-tagline {
    overflow-wrap: break-word;
    word-break: break-word;
  }

  /* --- Other sections mobile --- */
  .bento-grid {
    grid-template-columns: 1fr;
  }

  .bento-large {
    grid-column: span 1;
  }

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

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

  .lab-split,
  .req-grid {
    grid-template-columns: 1fr;
  }

  .course-stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .course-stat-divider {
    width: 40px;
    height: 1px;
  }

  .course-hero-title {
    font-size: var(--text-3xl);
  }

  .module-header {
    flex-direction: column;
    gap: var(--space-sm);
  }

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

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

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

  .section-title {
    font-size: var(--text-3xl);
  }

  .service-flow {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .scroll-indicator {
    display: none;
  }

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

  .lab-stat .stat-number {
    font-size: var(--text-lg);
  }
}

/* ---------- SMALL MOBILE (< 400px) ---------- */
@media (max-width: 399px) {
  .industries-grid {
    grid-template-columns: 1fr;
  }

  .forge-cardex {
    height: 220px;
  }

  .forge-title span:first-child {
    font-size: var(--text-2xl);
  }

  .stat-number {
    font-size: var(--text-xl) !important;
  }
}

/* ---------- LARGE DESKTOP (> 1536px) ---------- */
@media (min-width: 1537px) {
  .container {
    padding: 0 var(--space-2xl);
  }
}