/* ============================
     SquareOne brand tokens (locked)
     ============================ */
  :root {
    --bg-dark: #14121B;      /* dark section background */
    --text-light: #F5F5F5;   /* primary text on dark */
    --text-muted: #8A8A94;   /* secondary text / dividers */
    --red: #D93F3F;          /* default state: buttons, links, tags, labels */
    --red-hover: #FF5757;    /* hover-only, brand red from logo */
    --hairline: #4A2626;     /* hairlines only: nav border, footer dividers */
    --selection: #FFDCDC;    /* text selection highlight only */

    /* Supporting neutrals used across light sections and the dashboard
       preview panel. Not part of the four locked brand tokens above,
       but kept consistent across the site. */
    --bg-light: #F5F5F5;
    --text-dark: #14121B;
    --text-dark-secondary: #3E3A46;
    --hairline-light: #DEDEE2;
    --text-on-dark-secondary: #C9C9CF;
    --panel-bg: #1C1A24;
    --panel-border: #35313E;
    --panel-header-bg: #1A1822;

    /* Layout tokens shared by the home page and the insights page. */
    --maxw: 1440px;
    --gutter: 40px;
    --gutter-sm: 24px;
    --section-y: 112px;
    --section-y-sm: 72px;
    --header-h: 68px;
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--bg-light);
    color: var(--text-dark);
    font-family: Archivo, Helvetica, sans-serif;
    -webkit-font-smoothing: antialiased;
  }

  a { color: var(--red); text-decoration: none; }
  a:hover { color: var(--text-dark); }
  ::selection { background: var(--selection); }

  .mono {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .wrap {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--gutter);
  }

  /* ---------- Header / nav ---------- */

  header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--hairline);
  }

  .nav-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--gutter);
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--gutter);
  }

  .brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
    color: var(--text-light);
  }

  .brand svg { display: block; height: 22px; width: auto; align-self: center; }

  .brand-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-light);
  }

  nav.primary-nav {
    display: flex;
    align-items: center;
    gap: 32px;
  }

  .nav-link {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
  }
  .nav-link:hover { color: var(--text-light); }

  .nav-cta {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 9px 16px;
    border: 1px solid var(--hairline);
    color: var(--text-light);
    transition: background 0.15s ease, border-color 0.15s ease;
  }
  .nav-cta:hover {
    background: var(--red-hover);
    border-color: var(--red-hover);
    color: var(--text-light);
  }

  .nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--hairline);
    color: var(--text-light);
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 8px 14px;
    cursor: pointer;
  }

  /* ---------- Hero ---------- */

  .hero {
    position: relative;
    background: var(--bg-dark);
    color: var(--text-light);
    padding: 0 0 64px;
    min-height: calc(100vh - 68px);
    display: flex;
    align-items: flex-end;
    overflow: hidden;
  }

  .hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
  }

  .hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    z-index: 1;
  }

  .hero .wrap { width: 100%; position: relative; z-index: 2; }

  .hero-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 36px;
    width: 100%;
  }

  .hero-headline-col { max-width: 900px; }

  h1 {
    margin: 0;
    font-size: clamp(38px, 4.4vw, 66px);
    line-height: 1.03;
    letter-spacing: -0.032em;
    font-weight: 600;
    text-wrap: pretty;
  }

  .hero-sub-col {
    max-width: 480px;
    display: flex;
    flex-direction: column;
    gap: 28px;
  }

  .hero-sub-col p {
    margin: 0;
    font-size: 18px;
    line-height: 1.55;
    color: var(--text-on-dark-secondary);
    max-width: 44ch;
  }

  .btn-primary {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--red);
    color: #FFFFFF;
    font-size: 15px;
    font-weight: 600;
    padding: 15px 26px;
    letter-spacing: -0.01em;
    border: none;
    cursor: pointer;
    transition: background 0.15s ease;
  }
  .btn-primary:hover { background: var(--red-hover); color: #FFFFFF; }
  .btn-primary .arrow { font-family: 'Space Mono', monospace; }

  /* ---------- Section shell ---------- */

  section { padding: var(--section-y) var(--gutter); border-bottom: 1px solid var(--hairline-light); }
  section:last-of-type { border-bottom: none; }

  .section--dark { background: var(--bg-dark); color: var(--text-light); border-bottom: none; }
  .section--light { background: var(--bg-light); color: var(--text-dark); }

  .section-inner {
    max-width: var(--maxw);
    margin: 0 auto;
    display: flex;
    flex-direction: column;
  }

  .section-label-col { margin-bottom: 48px; }

  .eyebrow-dark {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--text-muted);
  }

  .eyebrow-red {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--red);
  }

  h2 {
    margin: 0;
    font-size: clamp(30px, 3.1vw, 44px);
    line-height: 1.12;
    letter-spacing: -0.028em;
    font-weight: 600;
  }

  /* ---------- Catalyst ---------- */

  #catalyst .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0; }
  .catalyst-row {
    display: flex;
    gap: 72px;
    flex-wrap: wrap;
    align-items: center;
  }
  .catalyst-copy {
    flex: 1 1 420px;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 32px;
  }
  .catalyst-copy h2 { max-width: 24ch; }
  .catalyst-copy p {
    margin: 0;
    font-size: 18px;
    line-height: 1.62;
    max-width: 52ch;
    color: var(--text-dark-secondary);
    text-wrap: pretty;
  }
  .btn-outline {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--text-muted);
    color: var(--text-dark);
    font-size: 15px;
    font-weight: 600;
    padding: 14px 24px;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  }
  .btn-outline:hover {
    background: var(--red);
    border-color: var(--red);
    color: #FFFFFF;
  }

  .dashboard-preview {
    flex: 1 1 520px;
    min-width: 300px;
  }
  .panel {
    width: 100%;
    border: 1px solid var(--panel-border);
    background: var(--panel-bg);
    aspect-ratio: 16 / 10;
    position: relative;
    overflow: hidden;
  }
  .panel-bar {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 38px;
    border-bottom: 1px solid var(--panel-border);
    background: var(--panel-header-bg);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 16px;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
  }
  .panel-bar .active { color: var(--text-light); }
  .panel-frame {
    display: block;
    position: absolute;
    top: 38px;
    left: 0;
    border: none;
    background: #FFFFFF;
    transform-origin: top left;
  }

  /* ---------- Insights ---------- */

  #insights .insights-head {
    display: flex;
    flex-direction: column;
    margin-bottom: 56px;
  }
  .insights-intro {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }
  #insights .insights-head h2 { margin: 0; max-width: 22ch; }
  #insights .insights-head p {
    margin: 0;
    font-size: 19px;
    line-height: 1.55;
    color: var(--text-dark-secondary);
    max-width: 56ch;
  }
  #insights .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0; }

  .insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1px;
    background: #DCDCE0;
    border: 1px solid #DCDCE0;
  }
  .insight-card {
    background: var(--bg-light);
    padding: 30px 30px 34px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    min-height: 260px;
    color: var(--text-dark);
  }
  .insight-card:hover { background: #FFFFFF; }
  .insight-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
  .insight-meta .tag { color: var(--red); }
  .insight-meta .date { color: var(--text-muted); }
  .insight-card h3 {
    margin: 0;
    font-size: 22px;
    line-height: 1.24;
    letter-spacing: -0.02em;
    font-weight: 600;
    text-wrap: pretty;
    min-height: 2.48em;
  }
  .insight-card p {
    margin: 0;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-dark-secondary);
    min-height: 4.8em;
  }
  .insight-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border: 1px solid #DCDCE0;
  }
  .insight-card .read {
    margin-top: auto;
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    color: var(--red);
  }

  .insights-header-cta {
    display: flex;
    align-items: baseline;
    gap: 28px;
    margin-top: 32px;
  }
  .insights-header-cta .btn-primary { align-self: auto; }
  .insights-header-cta-label {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
  }

  /* Denser tile grid for the /insights hub, which grows over time and
     needs more columns than the homepage's fixed 3-card feature row. */
  /* Hairlines live on each card (box-shadow) rather than a grid background,
     so empty auto-fill tracks stay transparent instead of rendering gray. */
  .insights-hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
    justify-content: start;
    gap: 1px;
  }
  .insights-hub-grid .insight-card { padding: 20px 20px 24px; gap: 12px; min-height: auto; box-shadow: 0 0 0 1px #DCDCE0; }
  .insights-hub-grid .insight-card h3 { font-size: 17px; min-height: auto; }
  .insights-hub-grid .insight-card p { font-size: 13px; min-height: auto; }

  /* ---------- Who We're For ---------- */

  #audience h2 { margin: 0 0 56px; max-width: 24ch; }
  .audience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--gutter) 56px;
  }
  .audience-item {
    border-top: 1px solid var(--panel-border);
    padding-top: 18px;
  }
  .audience-item .icon { display: block; margin-bottom: 16px; }
  .audience-item .title { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
  .audience-item .desc { font-size: 16px; line-height: 1.55; color: var(--text-on-dark-secondary); }

  /* ---------- About ---------- */

  .about-content {
    display: flex;
    flex-direction: column;
    gap: 64px;
  }
  .about-content h2 { max-width: 26ch; margin-bottom: 0; }
  .about-row {
    display: flex;
    gap: 72px;
    flex-wrap: wrap;
    align-items: flex-start;
  }
  .about-bio {
    flex: 1 1 480px;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 28px;
  }
  .about-bio p {
    margin: 0;
    font-size: 18px;
    line-height: 1.65;
    color: var(--text-on-dark-secondary);
    text-wrap: pretty;
  }
  .about-byline {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .about-avatar {
    display: block;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--panel-border);
  }
  .about-byline-text .name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-light);
  }
  .about-byline-text .title {
    font-family: 'Space Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-top: 4px;
  }
  .linkedin-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: flex-start;
    width: 36px;
    height: 36px;
    background: var(--text-light);
    border-radius: 4px;
    transition: background 0.15s ease;
  }
  .linkedin-link:hover { background: var(--red-hover); }

  .about-photos {
    flex: 1 1 440px;
    min-width: 300px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .photo-card {
    position: relative;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: flex-end;
    padding: 14px;
    overflow: hidden;
    text-decoration: none;
    transition: border-color 0.15s ease;
  }
  .photo-card:hover { border-color: var(--text-muted); }
  .photo-card:hover img { transform: scale(1.04); }
  .photo-card img {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  .photo-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.65), rgba(0,0,0,0) 60%);
  }
  .photo-card span {
    position: relative;
    z-index: 1;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.04em;
    color: var(--text-light);
    line-height: 1.5;
  }

  .trusted-by {
    border-top: 1px solid var(--hairline);
    padding-top: var(--gutter);
  }
  .trusted-by .eyebrow-dark { margin-bottom: 28px; }
  .logo-row {
    display: flex;
    flex-wrap: wrap;
    gap: 48px;
    align-items: center;
  }
  .logo-placeholder {
    height: 28px;
    padding: 0 18px;
    display: flex;
    align-items: center;
    background: var(--panel-bg);
    border: 1px solid var(--panel-border);
    color: var(--text-muted);
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    white-space: nowrap;
  }
  .logo-mark {
    display: block;
    height: 40px;
    width: auto;
    opacity: 0.88;
    transition: opacity 0.15s ease;
  }
  .logo-mark:hover { opacity: 1; }
  .logo-mark--block {
    height: 48px;
    border-radius: 4px;
    opacity: 1;
  }
  .logo-mark--seal {
    height: 68px;
  }

  /* ---------- Contact ---------- */

  #contact { padding: 128px var(--gutter); }
  #contact .contact-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }
  #contact h2 { margin: 0; font-size: clamp(34px, 3.6vw, 52px); line-height: 1.08; letter-spacing: -0.03em; max-width: 22ch; }
  #contact p { margin: 0; font-size: 20px; line-height: 1.58; color: var(--text-dark-secondary); max-width: 54ch; }

  /* ---------- Footer ---------- */

  footer { background: var(--bg-dark); color: var(--text-on-dark-secondary); padding: 64px var(--gutter) var(--gutter); }
  footer .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0; }

  .footer-subscribe {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 48px;
    margin-bottom: 56px;
    border-bottom: 1px solid var(--hairline);
  }
  .footer-subscribe-copy { flex: 0 1 420px; }
  .footer-subscribe-copy .title { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; color: var(--text-light); margin-bottom: 8px; }
  .footer-subscribe-copy .sub { font-family: 'Space Mono', monospace; font-size: 12px; color: var(--text-muted); }

  form.subscribe-form {
    display: flex;
    flex: 0 1 460px;
    min-width: 280px;
  }
  form.subscribe-form input[type="email"] {
    flex: 1;
    min-width: 0;
    border: 1px solid #4A4652;
    border-right: none;
    background: transparent;
    padding: 14px 16px;
    font-family: Archivo, sans-serif;
    font-size: 15px;
    color: var(--text-light);
    outline: none;
  }
  form.subscribe-form button {
    background: var(--red);
    color: #FFFFFF;
    border: 1px solid var(--red);
    font-family: Archivo, sans-serif;
    font-size: 15px;
    font-weight: 600;
    padding: 14px 24px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s ease, border-color 0.15s ease;
  }
  form.subscribe-form button:hover { background: var(--red-hover); border-color: var(--red-hover); }
  form.subscribe-form button[disabled] { opacity: 0.7; cursor: default; }

  .footer-columns {
    display: flex;
    gap: 80px;
    flex-wrap: wrap;
    justify-content: space-between;
    padding-bottom: 56px;
    border-bottom: 1px solid var(--hairline);
  }
  .footer-brand { flex: 0 1 340px; }
  .footer-brand .brand { margin-bottom: 16px; }
  .footer-brand p { margin: 0; font-size: 15px; line-height: 1.6; color: var(--text-muted); max-width: 38ch; }

  .footer-links-group { display: flex; gap: 72px; flex-wrap: wrap; }
  .footer-col { display: flex; flex-direction: column; gap: 12px; }
  .footer-col .heading {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
  }
  .footer-col a { font-size: 15px; color: var(--text-on-dark-secondary); }
  .footer-col a:hover { color: var(--text-light); }

  .footer-bottom {
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--text-muted);
  }
  .footer-bottom .legal-links { display: flex; gap: 28px; }
  .footer-bottom a { color: var(--text-muted); }
  .footer-bottom a:hover { color: var(--text-light); }

  /* ---------- Shared typography ---------- */
  /* New shared classes for the insights page; existing per-section
     paragraph rules above are untouched so the home page is unaffected. */

  .lede {
    font-size: clamp(18px, 1.4vw, 19px);
    line-height: 1.55;
    max-width: 52ch;
    color: var(--text-dark-secondary);
  }
  .section--dark .lede { color: var(--text-on-dark-secondary); }

  .body {
    font-size: 16px;
    line-height: 1.6;
    max-width: 65ch;
    color: var(--text-dark-secondary);
  }
  .section--dark .body { color: var(--text-on-dark-secondary); }

  h3 {
    margin: 0;
    font-size: clamp(20px, 2vw, 26px);
    font-weight: 600;
    letter-spacing: -0.02em;
  }
  /* .insight-card h3 (line ~392) is more specific and keeps winning. */

  h4 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.01em;
  }

  /* ---------- Data display ---------- */

  .stat__value, .step__value, .bar__value {
    font-variant-numeric: tabular-nums;
  }

  .stat { display: flex; flex-direction: column; gap: 4px; }
  .stat__value {
    font-family: 'Space Mono', monospace;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--red);
  }
  .stat__label { font-size: 15px; line-height: 1.4; color: var(--text-dark-secondary); }
  .section--dark .stat__label { color: var(--text-on-dark-secondary); }
  .stat__source {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--text-muted);
  }

  .unit-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 4px;
    max-width: 320px;
  }
  .unit-grid__cell { aspect-ratio: 1; background: var(--hairline-light); }
  .section--dark .unit-grid__cell { background: var(--panel-border); }
  .unit-grid__cell.is-on { background: var(--red); }

  .steps { display: flex; flex-wrap: wrap; gap: 32px; }
  .step { display: flex; flex-direction: column; gap: 8px; min-width: 120px; }
  .step__value {
    font-family: 'Space Mono', monospace;
    font-size: 28px;
    font-weight: 700;
    color: var(--red);
  }
  .step__label { font-size: 14px; color: var(--text-dark-secondary); }
  .section--dark .step__label { color: var(--text-on-dark-secondary); }
  .step__viz { display: block; }
  .step__source {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
  }

  .bars { display: flex; flex-direction: column; gap: 16px; }
  .bar { display: flex; align-items: center; gap: 12px; }
  .bar__label { flex: 0 0 140px; font-size: 14px; color: var(--text-dark-secondary); }
  .section--dark .bar__label { color: var(--text-on-dark-secondary); }
  .bar__track { flex: 1; height: 10px; background: var(--hairline-light); position: relative; }
  .section--dark .bar__track { background: var(--panel-border); }
  .bar__fill { display: block; height: 100%; background: var(--red); }
  .bar__value {
    flex: 0 0 auto;
    font-family: 'Space Mono', monospace;
    font-size: 13px;
    color: var(--text-dark);
  }
  .section--dark .bar__value { color: var(--text-light); }

  .scale__track { height: 4px; background: var(--hairline-light); position: relative; }
  .section--dark .scale__track { background: var(--panel-border); }
  .scale__item { position: absolute; top: -6px; }
  .scale__mark { display: block; width: 16px; height: 16px; border-radius: 50%; background: var(--red); }

  .callout {
    border-left: 3px solid var(--red);
    padding-left: 24px;
    font-family: Archivo, sans-serif;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.5;
    color: var(--text-dark);
  }
  .section--dark .callout { color: var(--text-light); }

  .sources {
    font-family: 'Space Mono', monospace;
    font-size: 11px;
    line-height: 1.7;
    color: var(--text-muted);
    padding-left: 18px;
  }

  .tag--placeholder, .tag--illustrative {
    display: inline-flex;
    align-items: center;
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 3px 8px;
    border: 1px solid var(--red);
    color: var(--red);
  }

  /* ---------- Anchor scroll offset (sticky header) ---------- */

  [id] { scroll-margin-top: calc(var(--header-h) + 16px); }

  /* ---------- Accessibility: visible focus ---------- */
  a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid var(--red-hover);
    outline-offset: 2px;
  }

  /* ---------- Reduced motion ---------- */
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 900px) {
    nav.primary-nav { display: none; }
    .nav-toggle { display: inline-block; }
    nav.primary-nav.open {
      display: flex;
      position: absolute;
      top: var(--header-h);
      left: 0;
      right: 0;
      background: var(--bg-dark);
      border-bottom: 1px solid var(--hairline);
      flex-direction: column;
      align-items: flex-start;
      gap: 0;
      padding: 8px var(--gutter) 20px;
    }
    nav.primary-nav.open a { padding: 10px 0; width: 100%; }

    section { padding: var(--section-y-sm) var(--gutter-sm); }
    .hero { padding: 0 0 48px; min-height: calc(100vh - 60px); }
    .wrap, .hero-row, .catalyst-row, .footer-subscribe, .footer-columns { gap: var(--gutter); }
  }

  @media (max-width: 560px) {
    .insights-header-cta {
      flex-direction: column;
      align-items: flex-start;
      gap: 16px;
    }
  }