/* ============================================================
   responsive.css
   All media-query overrides for the site, consolidated in one
   place. Uses the BEM class names from each component file.

   Breakpoints (mobile-first in spirit, desktop-first in order):
     1024px — compact desktop / small laptop
      900px — tablet landscape
      768px — tablet portrait; hamburger nav activates
      600px — mobile; all grids collapse to single column
      480px — small phone; typography and padding adjustments
   ============================================================ */


/* ============================================================
   1024px — compact desktop / small laptop
   Reduce horizontal padding on wide sections.
   ============================================================ */
@media (max-width: 1024px) {

  .product-section   { padding: 48px 32px; }
  .vertical-hero     { padding: 56px 32px 44px; }
  .feature-section   { padding-left: 32px; padding-right: 32px; }
  .outcomes-section  { padding-left: 32px; padding-right: 32px; }
  .about-profile     { padding-left: 32px; padding-right: 32px; }
  .deployment-section { padding-left: 32px; padding-right: 32px; }
  .industries-section { padding-left: 32px; padding-right: 32px; }
  .trusted-section   { padding-left: 32px; padding-right: 32px; }
  .product-detail-hero { padding-left: 32px; padding-right: 32px; }
  .product-detail-body { padding-left: 32px; padding-right: 32px; }
}


/* ============================================================
   900px — tablet landscape
   Two-column grids, single-column heroes, reduced padding.
   ============================================================ */
@media (max-width: 900px) {

  /* --- Navigation --- */
  nav { padding: 0 24px; }

  /* --- Home hero --- */
  .hero { padding: 80px 24px 64px; min-height: 380px; }

  /* --- Feature grid: stack text + stats --- */
  .feature-grid { grid-template-columns: 1fr; }

  /* --- About hero and profile columns --- */
  .about-hero__inner { grid-template-columns: 1fr; }
  .about-columns     { grid-template-columns: 1fr; }

  /* --- Grids from 3-col → 2-col --- */
  .verticals-grid  { grid-template-columns: 1fr 1fr; }
  .industries-grid { grid-template-columns: 1fr 1fr; }
  .product-grid    { grid-template-columns: 1fr 1fr; }
  .product-grid--two-col { grid-template-columns: 1fr 1fr; }
  .outcomes-grid   { grid-template-columns: 1fr 1fr; }
  .deployment-grid { grid-template-columns: 1fr 1fr; }

  /* --- Footer grid: 4-col → 2-col --- */
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  footer { padding: 32px 24px; }

  /* --- Section padding --- */
  .vertical-hero    { padding-left: 24px; padding-right: 24px; }
  .product-section  { padding-left: 24px; padding-right: 24px; }
  .feature-section  { padding-left: 24px; padding-right: 24px; }
  .trusted-section  { padding-left: 24px; padding-right: 24px; }
  .industries-section { padding-left: 24px; padding-right: 24px; }
  .about-profile    { padding-left: 24px; padding-right: 24px; }
  .deployment-section { padding-left: 24px; padding-right: 24px; }
  .outcomes-section { padding-left: 24px; padding-right: 24px; }

  /* --- Contact section form stacks --- */
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .form-row     { grid-template-columns: 1fr; }

  /* --- Product detail pages --- */
  .product-detail-hero__grid { grid-template-columns: 1fr; }
  .product-overview          { grid-template-columns: 1fr; }
  .product-deliverables-grid { grid-template-columns: 1fr; }
  .product-detail-hero { padding-left: 24px; padding-right: 24px; }
  .product-detail-body { padding-left: 24px; padding-right: 24px; }

  /* --- Blog page --- */
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured__image-link img { height: 240px; }
  .blog-grid, .press-grid { grid-template-columns: 1fr 1fr; }
  .blog-hero, .blog-body, .blog-filters { padding-left: 24px; padding-right: 24px; }
  .newsletter-strip { padding: 24px; }
  .newsletter-form  { width: 100%; }
  .newsletter-form input { flex: 1; width: auto; }
}


/* ============================================================
   768px — tablet portrait / hamburger nav
   Mobile navigation activates; hero actions stack; font reductions.
   ============================================================ */
@media (max-width: 768px) {

  /* --- Navigation: show hamburger, hide link row --- */
  .nav-hamburger { display: flex; }

  .nav-links {
    display: none;
    position: fixed;
    top: 68px;   /* matches nav height */
    left: 0;
    right: 0;
    background: var(--navy);
    flex-direction: column;
    padding: 12px 20px 20px;
    gap: 2px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 8px 24px rgba(0,0,0,0.45);
    z-index: 199;
  }
  .nav-links.nav--open { display: flex; }

  .nav-link    { text-align: left; padding: 12px 14px; font-size: 15px; }
  .nav-btn-cta { margin-left: 0; width: 100%; margin-top: 8px; padding: 12px 20px; text-align: center; }

  /* --- Hero --- */
  .hero h1       { font-size: 38px; }
  .hero-subtitle { font-size: 15px; }

  /* --- Hero CTA buttons: stack vertically on mobile --- */
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 10px; }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline { width: 100%; max-width: 320px; text-align: center; justify-content: center; }

  /* --- Vertical hero headline --- */
  .vertical-hero h1 { font-size: 34px; }

  /* --- Section headings --- */
  .product-section h2   { font-size: 24px; }
  .outcomes-section h2  { font-size: 24px; }
  .deployment-section h2 { font-size: 24px; }

  /* --- Footer bottom: centre-align on smaller screens --- */
  .footer-bottom__inner { flex-direction: column; align-items: center; gap: 6px; text-align: center; }
  .footer-bottom { padding: 14px 24px; }

  /* --- Blog filters: allow wrapping --- */
  .blog-filters__inner { flex-wrap: wrap; }
}


/* ============================================================
   600px — mobile
   All multi-column grids collapse to a single column.
   ============================================================ */
@media (max-width: 600px) {

  /* --- Home hero --- */
  .hero h1  { font-size: 32px; }
  .hero     { padding: 64px 20px 48px; min-height: 340px; }

  /* --- Vertical hero --- */
  .vertical-hero h1          { font-size: 28px; }
  .vertical-hero__subtitle   { font-size: 14px; }
  .vertical-hero             { padding: 48px 20px 40px; }

  /* --- All grids → single column --- */
  .verticals-grid        { grid-template-columns: 1fr; }
  .industries-grid       { grid-template-columns: 1fr; }
  .product-grid          { grid-template-columns: 1fr; }
  .product-grid--two-col { grid-template-columns: 1fr; }
  .outcomes-grid         { grid-template-columns: 1fr; }
  .deployment-grid       { grid-template-columns: 1fr; }
  .tab-panel--active     { grid-template-columns: 1fr; }

  /* --- Footer → single column --- */
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  footer       { padding: 28px 20px; }
  .footer-bottom { padding: 14px 20px; }

  /* --- Section padding --- */
  .product-section    { padding: 40px 20px; }
  .feature-section    { padding-left: 20px; padding-right: 20px; }
  .trusted-section    { padding-left: 20px; padding-right: 20px; }
  .industries-section { padding-left: 20px; padding-right: 20px; }
  .outcomes-section   { padding-left: 20px; padding-right: 20px; }
  .about-profile      { padding-left: 20px; padding-right: 20px; }
  .deployment-section { padding-left: 20px; padding-right: 20px; }
  .product-detail-hero { padding-left: 20px; padding-right: 20px; }
  .product-detail-body { padding-left: 20px; padding-right: 20px; }
  .blog-hero, .blog-body, .blog-filters { padding-left: 20px; padding-right: 20px; }

  /* --- Blog --- */
  .blog-grid, .press-grid { grid-template-columns: 1fr; }
  .blog-hero h1           { font-size: 28px; }

  /* --- Newsletter strip: stack icon / text / form vertically --- */
  .newsletter-strip { flex-direction: column; gap: 16px; padding: 24px 20px; }
  .newsletter-form  { flex-direction: column; width: 100%; }
  .newsletter-form input     { width: 100%; }
  .newsletter-form .btn-primary { width: 100%; }
}


/* ============================================================
   480px — small phone
   Final typography and layout tweaks for narrow viewports.
   ============================================================ */
@media (max-width: 480px) {

  /* --- Hero headline --- */
  .hero h1 { font-size: 28px; letter-spacing: -0.8px; }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline { max-width: 100%; }

  /* --- Vertical hero --- */
  .vertical-hero h1 { font-size: 24px; }

  /* --- Stats panel: two stat cards stack --- */
  .stats-row { grid-template-columns: 1fr; }

  /* --- Outcome values: reduce font size --- */
  .outcome-value { font-size: 36px; }

  /* --- Tab group: compact buttons --- */
  .tab-button { font-size: 12px; padding: 6px 11px; }

  /* --- Blog hero --- */
  .blog-hero h1 { font-size: 26px; }

  /* --- Product detail hero --- */
  .product-detail-hero h1 { font-size: 28px; }
}