/* =============================================================================
   NeuroSoft — PREMIUM MOBILE RESPONSIVENESS & TOUCH EXPERIENCE (MOBILE-FIRST)
   Dedicated responsive design rules across all device breakpoints.
   ============================================================================= */

/* Global Overflow & Viewport Boundaries */
html, body {
  overflow-x: hidden !important;
  width: 100% !important;
  max-width: 100vw !important;
}

*, *::before, *::after {
  box-sizing: border-box !important;
}

/* ═══════════════════════════════════════════════════════════════════════
   PREMIUM MOBILE ANNOUNCEMENT BAR (<768px)
   Compact 1-row layout with centered pill CTA and sleek height (36px).
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Completely hide announcement bar on mobile and prevent it from occupying layout space */
  .announcement-bar,
  .announcement-dismiss,
  [role="region"][aria-label="Announcement"] {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    pointer-events: none !important;
  }

  /* Full-width sticky top navbar on mobile — flush at top: 0 with zero top space gap */
  .site-header {
    position: sticky !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    border-radius: 0 !important;
    border-top: none !important;
    border-inline: none !important;
    border-bottom: 1px solid var(--color-border) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08) !important;
    z-index: 1000 !important;
  }

  .site-header__nav {
    min-height: 56px !important;
    padding: 0.5rem 1.25rem !important;
    gap: 0.75rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }

  .site-header__logo {
    gap: 0.6rem !important;
  }

  .site-header__wordmark {
    font-size: 1.15rem !important;
  }

  .site-header__actions {
    display: flex !important;
    align-items: center !important;
    gap: 0.65rem !important;
  }

  .site-header__tagline {
    display: none !important;
  }
}

/* Touch Target Accessibility Standards */
button, 
a.btn, 
.site-header__links a, 
.lifecycle-subnav__item, 
.careers-tab,
.mobile-menu-panel a,
.site-header__hamburger,
.theme-toggle {
  min-height: 38px;
  touch-action: manipulation;
}

/* Global Mobile Button Wrapping & Container Fit */
@media (max-width: 640px) {
  a.btn, button.btn {
    max-width: 100% !important;
    white-space: normal !important;
    text-align: center !important;
    word-break: break-word !important;
    padding-inline: 1rem !important;
    display: inline-flex !important;
    justify-content: center !important;
    align-items: center !important;
  }

  .subpage-badge {
    white-space: normal !important;
    text-align: center !important;
    max-width: 100% !important;
    line-height: 1.35 !important;
  }

  /* Executive Banner & CTA Card Mobile Padding */
  div[style*="text-align: center"][style*="border-radius"],
  div[style*="text-align:center"][style*="border-radius"] {
    padding: 1.5rem 1rem !important;
    margin: 2.25rem 0 !important;
    max-width: 100% !important;
  }
}

/* Mobile Header Actions & Hamburger Alignment (<1100px) */
@media (max-width: 1099px) {
  .site-header {
    --site-header-edge: 8px;
    top: var(--site-header-top, var(--site-header-edge)) !important;
    width: min(calc(100% - 16px), 1200px) !important;
  }
  
  .site-header__nav {
    min-height: 52px !important;
    padding: 0.4rem 0.75rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
  }
  
  .site-header__logo {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    flex-shrink: 0 !important;
  }
  
  .site-header__actions {
    display: flex !important;
    align-items: center !important;
    gap: 0.35rem !important;
    margin-left: auto !important;
    flex-shrink: 0 !important;
  }

  .theme-toggle,
  .site-header__hamburger {
    width: 38px !important;
    height: 38px !important;
    min-width: 38px !important;
    min-height: 38px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex-shrink: 0 !important;
    cursor: pointer !important;
    background: color-mix(in oklch, var(--color-glass-strong), transparent 10%) !important;
    border: 1px solid color-mix(in oklch, var(--color-border), white 10%) !important;
  }
  
  .site-header__links,
  .site-header__contact {
    display: none !important;
  }

  .mobile-menu-panel {
    max-height: calc(100dvh - 84px) !important;
    overscroll-behavior: contain;
  }
}

/* Keep the shared header usable on compact phones: the menu still exposes
   the theme control, so only the duplicate header control is hidden here. */
@media (max-width: 480px) {
  .site-header {
    width: calc(100% - 12px) !important;
  }

  .site-header__nav {
    min-height: 50px !important;
    padding: 0.35rem 0.5rem !important;
    gap: 0.4rem !important;
  }

  .site-header__logo {
    min-width: 0;
    gap: 0.4rem !important;
  }

  .site-brand__mark {
    width: 27px;
    height: 27px;
  }

  .site-header__wordmark {
    font-size: 1rem;
    letter-spacing: 0.04em;
    white-space: nowrap;
  }

  .site-header__actions > .theme-toggle {
    display: none !important;
  }

  .site-header__hamburger {
    width: 40px !important;
    height: 40px !important;
    min-width: 40px !important;
    min-height: 40px !important;
  }

  .mobile-menu-panel {
    top: calc(100% + 6px) !important;
    padding: 1rem !important;
    border-radius: var(--radius-lg) !important;
  }
}

/* Mobile Drawer Navigation Panel (Opaque & High Contrast) */
.mobile-menu-panel {
  position: absolute !important;
  top: calc(100% + 8px) !important;
  left: 0 !important;
  right: 0 !important;
  z-index: 2000 !important;
  max-height: 80vh !important;
  overflow-y: auto !important;
  -webkit-overflow-scrolling: touch !important;
  scroll-behavior: smooth;
  background: var(--color-bg-primary, #ffffff) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.3) !important;
  padding: 1.25rem 1.25rem 1.75rem !important;
}

:root[data-theme="dark"] .mobile-menu-panel {
  background: oklch(14% 0.025 264) !important;
  border-color: color-mix(in oklch, var(--color-glow), transparent 70%) !important;
  box-shadow: 0 28px 75px rgba(0, 0, 0, 0.9) !important;
}

.mobile-menu-panel ul {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.75rem !important;
  padding: 0 !important;
  margin: 0 !important;
  list-style: none !important;
}

.mobile-menu-panel details summary {
  padding: 0.75rem 0.25rem !important;
  font-size: 0.98rem !important;
  font-weight: 700 !important;
  color: var(--color-text-primary) !important;
  cursor: pointer !important;
  user-select: none !important;
  border-bottom: 1px solid color-mix(in oklch, var(--color-border), transparent 40%) !important;
}

.mobile-product-engineering__content {
  display: grid !important;
  gap: 0.35rem !important;
  padding: 0.6rem 0 0.8rem 0.5rem !important;
}

.mobile-product-engineering__content strong {
  margin-top: 0.75rem !important;
  color: var(--color-accent-strong) !important;
  font-size: 0.78rem !important;
  font-family: var(--font-mono) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.05em !important;
  display: block !important;
}

.mobile-product-engineering__content a {
  padding: 0.6rem 0.75rem !important;
  color: var(--color-text-primary) !important;
  border-radius: var(--radius-md) !important;
  font-size: 0.88rem !important;
  font-weight: 500 !important;
  text-decoration: none !important;
  transition: background 0.2s ease, color 0.2s ease !important;
  display: block !important;
  min-height: 42px !important;
}

.mobile-product-engineering__content a:hover,
.mobile-product-engineering__content a:active {
  background: color-mix(in oklch, var(--color-accent-soft), transparent 15%) !important;
  color: var(--color-accent-strong) !important;
}

.mobile-menu-panel__theme-row {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  margin-top: 1.25rem !important;
  padding-top: 1rem !important;
  border-top: 1px solid var(--color-border) !important;
}

.mobile-menu-panel__theme-label {
  font-size: 0.88rem !important;
  font-weight: 600 !important;
  color: var(--color-text-primary) !important;
}

/* Sticky Subnav Mobile 2x2 Grid Segment Controller (Zero Horizontal Scroll Required) */
.lifecycle-subnav-sticky {
  top: 68px !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  padding: 0.4rem 0.65rem !important;
  margin-bottom: 2.5rem !important;
  border-radius: 999px !important;
  max-width: 100% !important;
}

@media (max-width: 768px) {
  .lifecycle-subnav-sticky {
    top: 64px !important;
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 0.4rem !important;
    padding: 0.5rem !important;
    border-radius: var(--radius-lg) !important;
    margin-bottom: 2rem !important;
  }

  .lifecycle-subnav__item {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 0.35rem !important;
    padding: 0.5rem 0.35rem !important;
    font-size: 0.72rem !important;
    text-align: center !important;
    white-space: normal !important;
    line-height: 1.25 !important;
    border-radius: var(--radius-md) !important;
    width: 100% !important;
    flex: none !important;
  }

  .lifecycle-subnav__num {
    font-size: 0.7rem !important;
    font-weight: 700 !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════
   INDEX.HTML ENTERPRISE AI SECTION RESPONSIVE POLISH (<768px)
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .enterprise-ai__selector {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
    overflow-x: visible !important;
    width: 100% !important;
  }

  .enterprise-ai__choice {
    width: 100% !important;
    flex: 1 1 100% !important;
    min-height: 54px !important;
    padding: 0.85rem 1rem !important;
    text-align: left !important;
    border-radius: var(--radius-lg) !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.25rem !important;
    white-space: normal !important;
  }

  .enterprise-ai__choice small {
    display: block !important;
    font-size: 0.78rem !important;
    opacity: 0.85 !important;
  }

  .enterprise-ai__visual {
    max-width: 100% !important;
    overflow: hidden !important;
  }
}

/* ═══════════════════════════════════════════════════════════════════════
   CONTACT PAGE RESPONSIVE REFINEMENT (<850px & <640px)
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 850px) {
  .contact-composition {
    grid-template-columns: 1fr !important;
    gap: 2.5rem !important;
    padding: 2rem 1.5rem !important;
  }
  .contact-form__grid {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
  }
}

@media (max-width: 640px) {
  .contact-page {
    padding: 1.25rem 0 3.5rem !important;
  }
  .contact-composition {
    padding: 0 !important;
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    gap: 2rem !important;
  }
  .contact-intro h1 {
    font-size: clamp(1.75rem, 6.5vw, 2.3rem) !important;
  }
  .contact-form {
    padding: 1.35rem 1.1rem !important;
    border-radius: var(--radius-xl) !important;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2) !important;
  }
  .contact-form label {
    font-size: 0.85rem !important;
  }
  .contact-form input,
  .contact-form select,
  .contact-form textarea {
    font-size: 0.95rem !important;
    padding: 0.8rem 0.95rem !important;
    min-height: 48px !important;
  }
  .contact-form button[type="submit"] {
    width: 100% !important;
    justify-content: center !important;
    min-height: 48px !important;
    font-size: 0.95rem !important;
  }
}

/* Responsive Metric Stat & Bento Grids Across All Subpages */
@media (max-width: 990px) {
  .stat-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1rem !important;
  }
  .team-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }
  .cx-split-canvas {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }
}

@media (max-width: 640px) {
  .stat-grid,
  .team-grid,
  .page-grid,
  .cx-bento-grid, 
  .ta-perf-bento,
  .ta-mesh-diagram {
    grid-template-columns: 1fr !important;
    gap: 1rem !important;
    max-width: 100% !important;
  }

  .ta-perf-card,
  .cx-stack-item,
  .page-card,
  .stat-card,
  .lifecycle-card,
  .team-card {
    padding: 1.15rem 1rem !important;
    max-width: 100% !important;
  }

  .subpage-hero {
    margin-top: 0.5rem !important;
    margin-bottom: 2rem !important;
  }
  .subpage-title {
    font-size: clamp(1.75rem, 7vw, 2.4rem) !important;
  }
  .subpage-lead {
    font-size: 0.95rem !important;
  }
}

/* Mobile Footer Bottom Bar Alignment */
@media (max-width: 575px) {
  .site-footer__bottom {
    flex-direction: column !important;
    align-items: center !important;
    text-align: center !important;
    gap: 1.25rem !important;
  }
  .site-footer__legal {
    justify-content: center !important;
    gap: 0.75rem 1.25rem !important;
  }
  .site-footer__copyright {
    font-size: 0.75rem !important;
  }
}

/* Terminal & Preview Panel Mobile Resizing */
@media (max-width: 768px) {
  .ta-terminal-card {
    padding: 1rem !important;
    font-size: 0.78rem !important;
  }
  .cx-preview-panel {
    padding: 1.25rem 1rem !important;
  }
  .agent-steps {
    grid-template-columns: 1fr !important;
  }
}