/* ---------- Reset + base ---------- */
  *, *::before, *::after { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    font-family: "Helvetica Neue", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    color: #000000;
    background: #ffffff;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; }

  .display {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-weight: 700;
    letter-spacing: 0.01em;
  }
  .mono { font-family: "IBM Plex Mono", "Courier New", monospace; }

  .wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

  /* ---------- Section 1. Top nav ---------- */
  .topnav { background: #000000; color: #ffffff; }
  .topnav .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 88px;
    gap: 16px;
  }
  .topnav .wordmark { display: block; height: 84px; width: auto; }
  .topnav .wordmark img { height: 100%; width: auto; display: block; }
  .topnav .right { display: flex; align-items: center; gap: 18px; }
  .topnav .phone {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 12px;
    letter-spacing: 0.18em;
    color: #e8e8e8;
    text-decoration: none;
    text-transform: uppercase;
  }
  .topnav .phone:hover { color: #ffffff; }
  .topnav a.contact-link {
    text-decoration: none;
    color: #ffffff;
    font-size: 12px;
    letter-spacing: 0.16em;
    padding: 8px 14px;
    border: 1px solid rgba(255,255,255,0.35);
    transition: background 0.15s ease, border-color 0.15s ease;
    text-transform: uppercase;
    font-family: "IBM Plex Mono", "Courier New", monospace;
  }
  .topnav a.contact-link:hover { background: #173C22; border-color: #173C22; }

  /* ---------- Section 2. Hero ---------- */
  .hero {
    background: #ffffff;
    padding: 110px 0 100px;
    text-align: center;
    position: relative;
    border-bottom: 1px solid #ececec;
  }
  .hero .logo-mark {
    width: clamp(280px, 64vw, 720px);
    height: auto;
    margin: 0 auto 32px;
    display: block;
  }
  .hero .descriptor {
    font-size: clamp(16px, 1.5vw, 19px);
    color: #000000;
    margin: 0 auto 22px;
    max-width: 760px;
  }
  .hero .value {
    font-size: clamp(14px, 1.2vw, 16px);
    color: #333333;
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.65;
  }
  .hero .scroll-cue {
    position: absolute;
    left: 50%;
    bottom: 28px;
    width: 18px;
    height: 18px;
    border-right: 2px solid #173C22;
    border-bottom: 2px solid #173C22;
    transform: translateX(-50%) rotate(45deg);
    opacity: 0.85;
  }

  /* ---------- Generic section ---------- */
  .section { padding: 96px 0; }
  .section.alt { background: #F5F5F5; }
  h2.section-title {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-weight: 700;
    text-align: center;
    font-size: clamp(30px, 4vw, 44px);
    margin: 0 0 16px;
    letter-spacing: 0.005em;
  }
  .section .rule {
    width: 56px;
    height: 2px;
    background: #173C22;
    margin: 0 auto 44px;
  }

  /* ---------- Section 3. Channels ---------- */
  .channels {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .tile {
    background: #ffffff;
    border: 1px solid #e6e6e6;
    padding: 40px 28px 32px;
    display: flex;
    flex-direction: column;
    text-align: center;
    position: relative;
    min-height: 460px;
    transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
  }
  .tile:hover {
    border-color: #173C22;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.06);
  }
  .tile .ribbon {
    position: absolute;
    top: 14px;
    right: 14px;
    background: #173C22;
    color: #ffffff;
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 10px;
    letter-spacing: 0.18em;
    padding: 5px 9px;
    text-transform: uppercase;
  }
  /* fixed visual envelope so all 3 logos sit on the same baseline */
  .tile .logo-frame {
    height: 90px;
    width: 240px;
    margin: 12px auto 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
  }
  .tile .logo-frame a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
  }
  .tile .logo-frame img {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
  }
  .tile .label {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 13px;
    letter-spacing: 0.18em;
    color: #6a6a6a;
    margin-bottom: 12px;
    text-transform: uppercase;
  }
  .tile .desc {
    font-size: 15px;
    line-height: 1.55;
    color: #222222;
    margin: 0 auto 28px;
    max-width: 320px;
    flex: 1;
  }
  .tile .cta {
    display: inline-block;
    background: #173C22;
    color: #ffffff;
    text-decoration: none;
    padding: 14px 22px;
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 14px;
    letter-spacing: 0.1em;
    transition: background 0.15s ease;
    align-self: center;
  }
  .tile .cta:hover { background: #0d2614; }
  .tile .cta-link {
    display: inline-block;
    margin-top: 14px;
    align-self: center;
    color: #173C22;
    text-decoration: none;
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s ease;
  }
  .tile .cta-link:hover { border-color: #173C22; }

  /* ---------- Section 4. Who we serve (segment cards) ---------- */
  .who-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 1080px;
    margin: 0 auto;
  }
  .who-card {
    background: #ffffff;
    border: 1px solid #e6e6e6;
    border-left: 3px solid #173C22;
    padding: 24px 26px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
  }
  .who-card:hover {
    border-color: #d0d0d0;
    border-left-color: #173C22;
    box-shadow: 0 6px 18px rgba(0,0,0,0.05);
    transform: translateY(-1px);
  }
  .who-card.full { grid-column: 1 / -1; }
  .who-card .who-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
  }
  .who-card .who-name {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 22px;
    letter-spacing: 0.01em;
    color: #000000;
  }
  .who-card .who-tag {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 10px;
    letter-spacing: 0.18em;
    color: #6a6a6a;
    text-transform: uppercase;
    white-space: nowrap;
  }
  .who-card .who-supplies {
    font-size: 14px;
    line-height: 1.6;
    color: #333333;
    margin: 0;
  }
  .who-card .who-supplies strong {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-weight: 700;
    color: #173C22;
  }

  /* ---------- Section 5. What we supply (TUFFRITE series cards) ---------- */
  .supply-paragraph {
    max-width: 720px;
    margin: 0 auto 16px;
    text-align: center;
    font-size: 16px;
    line-height: 1.65;
    color: #222222;
  }
  .supply-note {
    text-align: center;
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 11px;
    letter-spacing: 0.16em;
    color: #173C22;
    text-transform: uppercase;
    margin: 0 0 44px;
  }
  .series-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }
  .series-card {
    border-top: 2px solid #173C22;
    background: #ffffff;
    padding: 20px 14px 22px;
    text-align: center;
    cursor: pointer;
    outline: none;
    transition: background 0.2s ease, color 0.2s ease;
  }
  .series-card:focus-visible { box-shadow: 0 0 0 2px #173C22 inset; }
  .series-card .kicker {
    display: block;
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 9px;
    letter-spacing: 0.2em;
    color: #6a6a6a;
    margin-bottom: 10px;
  }
  .series-card .name {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 17px;
    letter-spacing: 0.03em;
    color: #000000;
    line-height: 1.15;
    transition: color 0.2s ease;
  }
  .series-card .name .series-word {
    display: block;
    font-size: 11px;
    letter-spacing: 0.18em;
    color: #173C22;
    font-weight: 700;
    margin-top: 4px;
    transition: color 0.2s ease;
  }
  .series-card .examples {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.28s ease, opacity 0.2s ease, margin-top 0.2s ease;
    font-family: "Helvetica Neue", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    font-size: 12px;
    line-height: 1.55;
    color: #f0f0f0;
    margin-top: 0;
  }
  .series-card:hover,
  .series-card:focus-within {
    background: #173C22;
    border-top-color: #0d2614;
  }
  .series-card:hover .kicker,
  .series-card:focus-within .kicker { color: rgba(255,255,255,0.7); }
  .series-card:hover .name,
  .series-card:focus-within .name { color: #ffffff; }
  .series-card:hover .name .series-word,
  .series-card:focus-within .name .series-word { color: rgba(255,255,255,0.7); }
  .series-card:hover .examples,
  .series-card:focus-within .examples {
    max-height: 240px;
    opacity: 1;
    margin-top: 14px;
  }

  /* ---------- Section 6. Why work with Synk ---------- */
  .why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px 56px;
    max-width: 980px;
    margin: 0 auto;
  }
  .why-block .num {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 40px;
    color: #173C22;
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
  }
  .why-block .head {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 19px;
    margin: 0 0 8px;
    letter-spacing: 0.005em;
  }
  .why-block .body {
    font-size: 15px;
    line-height: 1.6;
    color: #333333;
    margin: 0;
    max-width: 460px;
  }

  /* ---------- Section 7. Contact ---------- */
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    max-width: 980px;
    margin: 0 auto;
    align-items: start;
  }
  .contact-copy {
    font-size: 16px;
    line-height: 1.65;
    color: #222222;
  }
  .contact-copy .eyebrow {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: #173C22;
    text-transform: uppercase;
    margin-bottom: 18px;
  }
  .contact-copy .direct {
    margin-top: 24px;
    font-size: 14px;
    color: #444444;
    line-height: 1.8;
  }
  .contact-copy .direct a { color: #173C22; text-decoration: none; border-bottom: 1px solid #173C22; }

  /* Contact section Hours block */
  .contact-copy .hours-block { margin-top: 28px; }
  .contact-copy .hours-title {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 11px;
    letter-spacing: 0.2em;
    color: #173C22;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .contact-copy .hours-title .hours-tz { color: #6a6a6a; font-weight: 400; }
  .contact-copy .hours-table {
    border-collapse: collapse;
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 14px;
    font-variant-numeric: tabular-nums;
    color: #333333;
  }
  .contact-copy .hours-table td {
    padding: 5px 0;
    vertical-align: top;
    white-space: nowrap;
  }
  .contact-copy .hours-table .hours-day {
    color: #000000;
    font-weight: 500;
    padding-right: 36px;
    width: 100px;
  }
  .contact-copy .hours-table .hours-time {
    color: #173C22;
    font-weight: 500;
  }

  form.inquiry { display: flex; flex-direction: column; gap: 14px; }
  form.inquiry label {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 10px;
    letter-spacing: 0.18em;
    color: #555555;
    text-transform: uppercase;
    margin-bottom: 4px;
    display: block;
  }
  form.inquiry .field { display: flex; flex-direction: column; }
  form.inquiry input,
  form.inquiry select,
  form.inquiry textarea {
    font-family: "Helvetica Neue", -apple-system, BlinkMacSystemFont, Arial, sans-serif;
    font-size: 15px;
    padding: 12px 14px;
    border: 1px solid #d6d6d6;
    background: #ffffff;
    color: #000000;
    border-radius: 0;
    transition: border-color 0.15s ease;
    width: 100%;
  }
  form.inquiry textarea { min-height: 110px; resize: vertical; }
  form.inquiry input:focus,
  form.inquiry select:focus,
  form.inquiry textarea:focus { outline: none; border-color: #173C22; }
  form.inquiry .field.required label::after {
    content: "*";
    color: #B0341C;
    margin-left: 4px;
    font-size: 12px;
  }
  form.inquiry .field.error input,
  form.inquiry .field.error select,
  form.inquiry .field.error textarea {
    border-color: #B0341C;
    background: #FDF5F3;
  }
  form.inquiry .err-msg {
    display: none;
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    color: #B0341C;
    text-transform: uppercase;
    margin-top: 6px;
  }
  form.inquiry .field.error .err-msg { display: block; }
  form.inquiry .helper {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 10px;
    letter-spacing: 0.08em;
    color: #6a6a6a;
    margin-top: 6px;
    text-transform: uppercase;
  }
  form.inquiry .honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
  }
  form.inquiry .form-success {
    display: none;
    background: #173C22;
    color: #ffffff;
    padding: 18px 22px;
    font-size: 15px;
    line-height: 1.55;
  }
  form.inquiry.is-success .form-success { display: block; }
  form.inquiry.is-success .form-body { display: none; }
  form.inquiry .form-error-summary {
    display: none;
    background: #FDF5F3;
    border-left: 3px solid #B0341C;
    color: #B0341C;
    padding: 12px 16px;
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  form.inquiry.has-errors .form-error-summary { display: block; }
  form.inquiry button {
    margin-top: 8px;
    background: #173C22;
    color: #ffffff;
    border: none;
    padding: 16px 24px;
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 14px;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: background 0.15s ease;
  }
  form.inquiry button:hover { background: #0d2614; }

  /* 10DLC + TCPA-compliant SMS opt-in consent block.
     UNCHECKED by default per FCC 23-107 (express written consent required).
     Inline language covers: brand identification, message types, frequency,
     data rates, STOP/HELP keywords, consent-not-a-condition-of-purchase,
     and no-third-party-share commitment. */
  form.inquiry .consent-block {
    background: #FAFAF7;
    border-left: 3px solid #173C22;
    padding: 14px 16px;
    margin-top: 6px;
    border-radius: 2px;
  }
  form.inquiry .consent-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    text-transform: none;
    letter-spacing: 0;
    font-size: 13px;
    line-height: 1.5;
    color: #2D2D2D;
    margin-bottom: 0;
  }
  form.inquiry .consent-label input[type="checkbox"] {
    margin-top: 3px;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: #173C22;
  }
  form.inquiry .consent-text { flex: 1; }
  form.inquiry .consent-text a {
    color: #173C22;
    text-decoration: underline;
    text-underline-offset: 2px;
  }
  form.inquiry .consent-text a:hover { color: #0d2614; }

  /* ---------- Section 8. Footer ---------- */
  footer.site-footer {
    background: #2a2a2a;
    color: #cfcfcf;
    padding: 64px 0 28px;
  }
  footer.site-footer .top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
    align-items: start;
  }
  footer.site-footer .wordmark {
    font-size: 22px;
    color: #ffffff;
    margin-bottom: 14px;
    letter-spacing: 0.04em;
  }
  footer.site-footer .meta-line {
    font-size: 14px;
    color: #b8b8b8;
    line-height: 1.7;
    margin: 0;
  }
  footer.site-footer .meta-line + .meta-line { margin-top: 4px; }
  footer.site-footer .meta-eyebrow {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    color: #8a8a8a;
    text-transform: uppercase;
    margin: 16px 0 6px;
  }
  footer.site-footer .meta-eyebrow .meta-tz { color: #6a6a6a; }
  footer.site-footer .footer-hours {
    border-collapse: collapse;
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    color: #b8b8b8;
    margin-top: 8px;
  }
  footer.site-footer .footer-hours td {
    padding: 4px 0;
    vertical-align: top;
    white-space: nowrap;
  }
  footer.site-footer .footer-hours .hd {
    font-weight: 500;
    color: #e0e0e0;
    padding-right: 28px;
    width: 96px;
  }
  footer.site-footer .footer-hours .ht {
    font-weight: 500;
    color: #c8c8c8;
  }
  footer.site-footer .col-title {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 10px;
    letter-spacing: 0.2em;
    color: #8a8a8a;
    text-transform: uppercase;
    margin-bottom: 14px;
  }
  footer.site-footer ul.links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  footer.site-footer ul.links a {
    color: #d6d6d6;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.15s ease;
  }
  footer.site-footer ul.links a:hover { color: #ffffff; }
  footer.site-footer .contact-line {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 14px;
    color: #ffffff;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    border-bottom: 1px solid #4a4a4a;
    padding-bottom: 4px;
    width: fit-content;
  }
  footer.site-footer .divider {
    border-top: 1px solid #4a4a4a;
    margin: 48px 0 18px;
  }
  footer.site-footer .copyright {
    font-family: "IBM Plex Mono", "Courier New", monospace;
    font-size: 11px;
    color: #8a8a8a;
    text-align: center;
    line-height: 1.6;
    letter-spacing: 0.04em;
  }

  /* ---------- Responsive ---------- */
  @media (max-width: 900px) {
    .channels { grid-template-columns: 1fr; }
    .tile { min-height: 0; }
    .who-grid { grid-template-columns: 1fr; }
    .series-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: 1fr; gap: 36px; }
    .contact-grid { grid-template-columns: 1fr; gap: 36px; }
    footer.site-footer .top { grid-template-columns: 1fr; gap: 36px; }
    .section { padding: 72px 0; }
    .hero { padding: 88px 0 80px; }
  }
  @media (max-width: 520px) {
    .topnav .wrap { height: auto; padding-top: 10px; padding-bottom: 10px; flex-wrap: wrap; }
    .topnav .wordmark { height: 60px; }
    .topnav .right { gap: 10px; }
    .topnav .phone { font-size: 11px; letter-spacing: 0.1em; }
    .topnav a.contact-link { font-size: 10px; padding: 6px 10px; letter-spacing: 0.1em; }
    .hero { padding: 72px 0 72px; }
    .who-card .who-head { flex-direction: column; gap: 4px; }
  }

  /* ---------- Skip link ---------- */
  .skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 2000;
    background: #173C22;
    color: #ffffff;
    padding: 12px 18px;
    font-size: 14px;
    text-decoration: none;
  }
  .skip-link:focus { left: 8px; top: 8px; }

  /* ---------- FAQ ---------- */
  .faq-list { max-width: 880px; }
  .faq-item { padding: 24px 0; border-bottom: 1px solid #e6e6e6; }
  .faq-item:first-child { border-top: 1px solid #e6e6e6; }
  .faq-q {
    font-family: "HelveticaNeue-CondensedBold", "Helvetica Neue", "Arial Narrow Bold", Arial, sans-serif;
    font-size: 19px;
    color: #173C22;
    margin: 0 0 10px;
  }
  .faq-a { font-size: 16px; line-height: 1.6; color: #222222; margin: 0; }
  .faq-a a { color: #173C22; text-decoration: underline; }

  /* ---------- Visible keyboard focus (WCAG 2.4.7) ---------- */
  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible,
  [tabindex]:focus-visible {
    outline: 3px solid #173C22;
    outline-offset: 2px;
  }
  /* keep focus rings visible on the dark nav + footer */
  .topnav a:focus-visible,
  .site-footer a:focus-visible { outline-color: #ffffff; }

  /* ---------- Respect reduced-motion preference ---------- */
  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
      scroll-behavior: auto !important;
    }
  }

.invert-logo { filter: invert(1); }