/* ==========================================================================
   TEK10 — RESPONSIVE STYLESHEET
   Comprehensive Media Queries, Mobile UX, Touch Target Optimization,
   and Accessibility (Prefers-Reduced-Motion)
   ========================================================================== */

/* Tablet Landscape & Medium Desktops (<= 1100px) */
@media (max-width: 1100px) {
  .case-card,
  .case-card.reverse {
    grid-template-columns: 1fr 1fr;
  }

  .pipeline-stage-content {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-top {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
  }

  .capability-block {
    grid-template-columns: 220px 1fr;
    gap: 2.5rem;
  }
}

/* Tablet Portrait & Small Devices (<= 900px) */
@media (max-width: 900px) {
  /* Navigation switch to mobile */
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-actions-group {
    margin-left: auto;
    margin-right: 0.75rem;
  }

  .nav-toggle {
    display: flex;
  }

  /* Hero Grid to Single Column */
  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    gap: 3rem;
  }

  .hero-left,
  .hero-right {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }

  .hero-glance-card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 1.75rem clamp(1.2rem, 3.5vw, 2rem);
  }

  .glance-item {
    min-width: 0;
    width: 100%;
    box-sizing: border-box;
  }

  .glance-info {
    min-width: 0;
    flex: 1 1 auto;
  }

  .glance-sub {
    white-space: normal;
    word-break: break-word;
  }

  /* Editorial Layouts to Single Column */
  .editorial-lead {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Case Cards: Stack Mockup Below Info */
  .case-card,
  .case-card.reverse {
    grid-template-columns: 1fr;
  }

  .case-card.reverse .case-preview {
    order: 2;
    border-right: none;
    border-top: 1px solid var(--border-subtle);
  }

  .case-preview {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
    padding: 1.75rem;
  }

  /* Capabilities block un-sticks on tablet */
  .capability-block {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .capability-header {
    position: static;
  }

  /* About page */
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  /* Contact page */
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  /* Clients Showcase */
  .clients-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Automation Focus Banner */
  .automation-focus-banner {
    grid-template-columns: 1fr;
    gap: 2.25rem;
    padding: 2.5rem 1.75rem;
  }

  /* Tech Team Grid */
  .team-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  /* Footer */
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

/* Small Tablets & Large Phones (<= 680px) */
@media (max-width: 680px) {
  :root {
    --gutter: 1.25rem;
    --section-spacing: clamp(4rem, 8vw, 6rem);
  }

  .hero {
    padding-top: 100px;
    padding-bottom: 3.5rem;
    min-height: auto;
  }

  .eyebrow {
    flex-wrap: wrap;
    line-height: 1.5;
    word-break: break-word;
  }

  .hero-title {
    font-size: clamp(2rem, 8.5vw, 3.2rem);
    word-break: break-word;
  }

  .hero-description {
    width: 100%;
    max-width: 100%;
    font-size: 1rem;
    line-height: 1.6;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
    text-align: center;
  }

  .hero-trust-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    width: 100%;
  }

  .trust-item {
    font-size: 0.72rem;
    word-break: break-word;
  }

  .hero-glow,
  .final-cta-glow {
    width: 100%;
    max-width: 100vw;
    height: 300px;
  }

  .pipeline-stage-content {
    grid-template-columns: 1fr;
  }

  .pipeline-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .stage-pipeline {
    padding: 1.5rem;
  }

  .ladder-item {
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .ladder-left {
    gap: 1rem;
  }

  .vms-body {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

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

  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .form-dual-actions .btn {
    width: 100%;
  }

  .final-cta-buttons {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
  }

  .final-cta-buttons .btn {
    width: 100%;
  }

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

  .founder-media {
    height: 440px;
  }

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

  .team-banner-note {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  /* WhatsApp Float adjustment on mobile */
  .whatsapp-float {
    bottom: 1.25rem;
    right: 1.25rem;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

/* Extra Small Phones (<= 420px) */
@media (max-width: 420px) {
  .hero-title {
    font-size: 2.05rem;
  }

  .glance-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .glance-item {
    padding: 0.75rem 0.85rem;
    gap: 0.75rem;
  }

  .glance-stats-grid {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }

  .glance-stat {
    padding: 0.6rem 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .section-title {
    font-size: 2rem;
  }

  .pipeline-tab {
    font-size: 0.72rem;
    padding: 0.45rem 0.75rem;
  }

  .case-info {
    padding: 1.5rem;
  }

  .dept-breakdown {
    grid-template-columns: 1fr;
  }

  .contact-form-card {
    padding: 1.5rem;
  }
}

/* Accessibility: Prefers 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-glow,
  .final-cta-glow {
    display: none !important;
  }
}