:root {
    --teal: #0da9a9;
    --teal-bright: #14c5c5;
    --teal-dim: #0a7a7a;
    --ink: #0a0f0f;
    --ink-2: #111717;
    --ink-3: #1a2222;
    --line: #243030;
    --paper: #f6fafa;
    --muted: #8a9999;
    --text: #e8f1f1;
    --shadow: 0 30px 60px -20px rgba(13,169,169,.25);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--ink);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
  }
  h1, h2, h3 { font-family: 'Space Grotesk', 'Inter', sans-serif; line-height: 1.15; letter-spacing: -0.02em; }
  a { color: inherit; text-decoration: none; }
  img, svg { display: block; max-width: 100%; }

  .wrap { width: min(1200px, 92vw); margin: 0 auto; }

  /* --- NAV --- */
  .nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50;
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    background: rgba(10,15,15,.55);
    border-bottom: 1px solid transparent;
    transition: border-color .3s ease, background .3s ease;
  }
  .nav.scrolled { border-bottom-color: var(--line); background: rgba(10,15,15,.85); }
  .nav-inner {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 0;
  }
  .logo-img { height: 38px; width: auto; }
  .nav-links { display: flex; gap: 6px; align-items: center; }
  .nav-links a {
    padding: 9px 14px; border-radius: 999px; font-size: 14px; color: var(--text);
    transition: background .2s, color .2s;
  }
  .nav-links a:hover { background: var(--ink-3); color: var(--teal-bright); }
  .nav-cta {
    background: var(--teal); color: #062525 !important;
    font-weight: 600; padding: 10px 18px !important;
    box-shadow: 0 8px 24px -10px rgba(13,169,169,.7);
  }
  .nav-cta:hover { background: var(--teal-bright) !important; color: #062525 !important; }
  .nav-signup {
    background: transparent;
    border: 1px solid var(--line);
    color: var(--text) !important;
    font-weight: 600; padding: 9px 16px !important;
    margin-left: 4px;
    transition: border-color .2s, background .2s, color .2s;
  }
  .nav-signup:hover {
    border-color: var(--teal-bright) !important;
    background: rgba(13,169,169,.08) !important;
    color: var(--teal-bright) !important;
  }

  /* --- HERO --- */
  .hero {
    position: relative; padding: 180px 0 110px;
    overflow: hidden;
  }
  .hero::before {
    content: ""; position: absolute; inset: 0;
    background:
      radial-gradient(ellipse 70% 50% at 20% 20%, rgba(13,169,169,.18), transparent 60%),
      radial-gradient(ellipse 60% 50% at 80% 70%, rgba(13,169,169,.10), transparent 60%);
    pointer-events: none;
  }
  .hero::after {
    content: ""; position: absolute; inset: 0;
    background-image:
      linear-gradient(rgba(13,169,169,.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(13,169,169,.06) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, #000 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse 60% 60% at 50% 40%, #000 30%, transparent 80%);
    pointer-events: none;
  }
  .hero-inner { position: relative; z-index: 1; text-align: center; }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 14px; border-radius: 999px;
    background: rgba(13,169,169,.10); border: 1px solid rgba(13,169,169,.30);
    color: var(--teal-bright); font-size: 13px; font-weight: 500;
    margin-bottom: 28px;
  }
  .eyebrow .pulse {
    width: 7px; height: 7px; border-radius: 50%; background: var(--teal-bright);
    box-shadow: 0 0 0 0 rgba(20,197,197,.7); animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(20,197,197,.7); }
    70% { box-shadow: 0 0 0 10px rgba(20,197,197,0); }
    100% { box-shadow: 0 0 0 0 rgba(20,197,197,0); }
  }
  .hero h1 {
    font-size: clamp(40px, 6.5vw, 84px); font-weight: 700;
    margin-bottom: 24px;
  }
  .hero-headline { display: grid; }
  .hero-headline .slide {
    grid-area: 1 / 1;
    opacity: 0;
    transition: opacity .9s ease;
    background: linear-gradient(180deg, #ffffff 0%, #b8d6d6 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .hero-headline .slide.is-active { opacity: 1; }
  .hero h1 em { font-style: normal; color: var(--teal-bright); -webkit-text-fill-color: var(--teal-bright); }
  @media (prefers-reduced-motion: reduce) {
    .hero-headline .slide { transition: none; }
  }
  .hero p.lead {
    font-size: clamp(17px, 1.6vw, 20px); color: var(--muted);
    max-width: 720px; margin: 0 auto 36px;
  }
  .hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 24px; border-radius: 999px; font-weight: 600; font-size: 15px;
    transition: transform .15s ease, background .2s, box-shadow .2s;
    cursor: pointer; border: none; font-family: inherit;
  }
  .btn-primary { background: var(--teal); color: #062525; box-shadow: 0 14px 34px -12px rgba(13,169,169,.7); }
  .btn-primary:hover { background: var(--teal-bright); transform: translateY(-2px); }
  .btn-ghost { background: rgba(255,255,255,.04); color: #fff; border: 1px solid var(--line); }
  .btn-ghost:hover { background: rgba(255,255,255,.08); border-color: var(--teal-dim); }

  .pillars {
    display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
    margin-top: 60px;
  }
  .pill {
    padding: 9px 16px; border-radius: 999px;
    background: rgba(255,255,255,.03); border: 1px solid var(--line);
    font-size: 13px; color: var(--text); font-weight: 500;
    display: inline-flex; align-items: center; gap: 8px;
  }
  .pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal-bright); }

  /* --- SECTIONS --- */
  section { padding: 100px 0; position: relative; }
  .section-head { text-align: center; margin-bottom: 56px; }
  .section-head .kicker {
    color: var(--teal); font-size: 13px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
    margin-bottom: 14px;
  }
  .section-head h2 { font-size: clamp(32px, 4.4vw, 52px); margin-bottom: 16px; color: #fff; }
  .section-head p { color: var(--muted); max-width: 620px; margin: 0 auto; font-size: 17px; }

  /* --- SERVICES --- */
  .services {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .service-card {
    position: relative; padding: 30px 26px;
    background: linear-gradient(180deg, var(--ink-2), var(--ink));
    border: 1px solid var(--line); border-radius: 18px;
    transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
    overflow: hidden;
  }
  .service-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--teal), transparent);
    opacity: 0; transition: opacity .3s ease;
  }
  .service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(13,169,169,.4);
    box-shadow: 0 24px 48px -24px rgba(13,169,169,.35);
  }
  .service-card:hover::before { opacity: 1; }
  .service-icon {
    width: 44px; height: 44px; border-radius: 11px;
    background: rgba(13,169,169,.12);
    border: 1px solid rgba(13,169,169,.25);
    display: grid; place-items: center; margin-bottom: 18px;
    color: var(--teal-bright);
  }
  .service-icon svg { width: 22px; height: 22px; }
  .service-card h3 { font-size: 18px; color: #fff; margin-bottom: 8px; }
  .service-card p { font-size: 14.5px; color: var(--muted); }

  /* 8th card: highlighted catch-all */
  .service-card.feature {
    background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dim) 100%);
    border-color: var(--teal-bright);
    color: #042020;
  }
  .service-card.feature .service-icon {
    background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.35); color: #fff;
  }
  .service-card.feature h3 { color: #fff; }
  .service-card.feature p { color: rgba(255,255,255,.92); }
  .service-card.feature:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -20px rgba(13,169,169,.6); }
  .service-card.feature::before { display: none; }
  .feature-arrow {
    display: inline-flex; align-items: center; gap: 6px;
    margin-top: 14px; font-weight: 600; color: #fff; font-size: 14px;
  }

  /* --- ABOUT (light contrast section) --- */
  .about { background: var(--paper); color: #0a1414; }
  .about .section-head h2 { color: #0a1414; }
  .about .section-head p { color: #4a5858; }
  .about-grid {
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center;
  }
  .about-copy h2 { color: #0a1414; font-size: clamp(30px, 3.6vw, 44px); margin-bottom: 20px; }
  .about-copy p { color: #3a4848; font-size: 17px; margin-bottom: 16px; }
  .about-tag {
    color: var(--teal-dim); font-size: 13px; font-weight: 600; letter-spacing: .2em; text-transform: uppercase;
    margin-bottom: 14px;
  }
  .fl-visual {
    position: relative; padding: 40px;
    border-radius: 24px;
    background: linear-gradient(135deg, #ffffff 0%, #e8f4f4 100%);
    box-shadow: var(--shadow);
    border: 1px solid #d4e8e8;
  }
  .fl-visual svg { width: 100%; height: auto; }
  .fl-caption {
    margin-top: 18px; text-align: center; font-size: 13px;
    color: var(--teal-dim); font-weight: 600; letter-spacing: .15em; text-transform: uppercase;
  }

  /* --- CLIENT LOGO TICKER --- */
  .ticker-section { padding: 70px 0 40px; }
  .ticker-label {
    text-align: center; color: var(--muted); font-size: 12px; font-weight: 600;
    letter-spacing: .25em; text-transform: uppercase; margin-bottom: 32px;
  }
  .ticker {
    overflow: hidden; position: relative;
    mask-image: linear-gradient(90deg, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 80px, #000 calc(100% - 80px), transparent 100%);
  }
  .ticker-track {
    display: flex; gap: 60px; align-items: center; width: max-content;
    animation: scroll-x 18s linear infinite;
  }
  .ticker:hover .ticker-track { animation-play-state: paused; }
  @keyframes scroll-x {
    from { transform: translateX(0); }
    to { transform: translateX(-50%); }
  }
  .ticker-item {
    display: grid; place-items: center;
    height: 60px; min-width: 160px; padding: 0 10px;
    opacity: .92; transition: opacity .25s ease, transform .25s ease;
  }
  .ticker-item:hover { opacity: 1; transform: translateY(-2px); }
  .ticker-item img { max-height: 56px; width: auto; }
  /* Tile: light-card background for logos designed for white backgrounds (dark text/marks). */
  .ticker-item.tile {
    background: #fafafa; border-radius: 8px;
    padding: 8px 16px;
  }
  .ticker-item.tile img { max-height: 40px; }
  .ticker-item.placeholder {
    color: var(--muted); font-family: 'Space Grotesk'; font-weight: 600;
    font-size: 15px; letter-spacing: .05em;
    border: 1px dashed var(--line); border-radius: 10px;
    padding: 12px 22px; opacity: .5; filter: none;
  }

  /* --- TESTIMONIALS --- */
  .testimonials-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 22px;
  }
  .testimonial {
    padding: 32px 28px;
    background: linear-gradient(180deg, var(--ink-2), var(--ink));
    border: 1px solid var(--line); border-radius: 18px;
    position: relative;
  }
  .testimonial .quote-mark {
    color: var(--teal); font-family: 'Space Grotesk'; font-size: 48px; line-height: 1;
    margin-bottom: 8px; opacity: .6;
  }
  .testimonial p.quote { color: var(--text); font-size: 15px; margin-bottom: 24px; line-height: 1.7; }
  .testimonial .author { display: flex; align-items: center; gap: 12px; padding-top: 20px; border-top: 1px solid var(--line); }
  .avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: linear-gradient(135deg, var(--teal), var(--teal-dim));
    display: grid; place-items: center; color: #fff; font-weight: 600; font-size: 15px;
    flex-shrink: 0;
  }
  .author-name { color: #fff; font-weight: 600; font-size: 15px; }
  .author-role { color: var(--muted); font-size: 13px; }

  .testimonial.placeholder {
    background: transparent; border-style: dashed; border-color: var(--teal-dim);
    display: grid; place-items: center; text-align: center;
  }
  .testimonial.placeholder .quote-mark { display: none; }
  .testimonial.placeholder p { color: var(--muted); font-size: 15px; }
  .testimonial.placeholder a { color: var(--teal-bright); font-weight: 600; }

  /* --- CTA --- */
  .cta-section {
    text-align: center; padding: 110px 0 100px;
    background:
      radial-gradient(ellipse 60% 80% at 50% 30%, rgba(13,169,169,.20), transparent 70%),
      var(--ink);
  }
  .cta-section h2 {
    font-size: clamp(36px, 5vw, 64px);
    background: linear-gradient(180deg, #fff, var(--teal-bright));
    -webkit-background-clip: text; background-clip: text; color: transparent;
    margin-bottom: 18px;
  }
  .cta-sub {
    color: var(--muted); font-size: 17px;
    max-width: 580px; margin: 0 auto 32px;
  }

  /* --- CONTACT FORM --- */
  .contact-form-wrap {
    max-width: 580px; margin: 56px auto 0;
    text-align: left;
  }
  .contact-form {
    display: flex; flex-direction: column; gap: 18px;
    background: var(--ink-2);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 32px 28px;
    position: relative;
  }
  .form-row {
    display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
  }
  .contact-form label {
    display: flex; flex-direction: column; gap: 6px;
    font-size: 13px; color: var(--muted);
    font-weight: 600; letter-spacing: .02em;
  }
  .contact-form .lbl-opt { color: var(--muted); font-weight: 400; opacity: .65; margin-left: 4px; }
  .contact-form input,
  .contact-form textarea {
    background: var(--ink);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 12px 14px;
    font-family: inherit; font-size: 15px; color: var(--text);
    transition: border-color .2s, box-shadow .2s;
  }
  .contact-form textarea { resize: vertical; min-height: 110px; }
  .contact-form input:focus,
  .contact-form textarea:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(13,169,169,.18);
  }
  /* Honeypot: visually hidden but still focusable to bots */
  .contact-form .hp-field {
    position: absolute; left: -9999px; top: 0;
    height: 0; opacity: 0; pointer-events: none;
  }
  .form-submit {
    align-self: flex-start; margin-top: 6px;
  }
  .form-submit[disabled] {
    opacity: .65; cursor: progress;
  }
  .form-status {
    color: #ff9aa2; font-size: 14px; min-height: 1.2em;
    margin: 0; padding-top: 4px;
  }
  .form-status.is-error { color: #ff8a93; }
  .contact-success {
    text-align: center; padding: 44px 30px;
    background: linear-gradient(180deg, rgba(13,169,169,.12), rgba(13,169,169,.02));
    border: 1px solid rgba(13,169,169,.4);
    border-radius: 18px;
  }
  .contact-success h3 { color: #fff; font-size: 24px; margin-bottom: 10px; font-family: 'Space Grotesk', sans-serif; }
  .contact-success p { color: var(--muted); font-size: 15px; }

  /* --- FOOTER --- */
  footer { background: var(--ink-2); border-top: 1px solid var(--line); padding: 60px 0 30px; }
  .footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
    margin-bottom: 40px;
  }
  .footer-brand .logo-img { height: 44px; margin-bottom: 14px; }
  .footer-brand p { color: var(--muted); font-size: 14px; max-width: 340px; }
  .footer-col h4 { color: #fff; font-size: 14px; font-weight: 600; margin-bottom: 16px; }
  .footer-col a { color: var(--muted); font-size: 14px; display: block; padding: 4px 0; transition: color .2s; }
  .footer-col a:hover { color: var(--teal-bright); }
  .footer-bottom {
    padding-top: 24px; border-top: 1px solid var(--line);
    display: flex; justify-content: space-between; align-items: center;
    color: var(--muted); font-size: 13px; flex-wrap: wrap; gap: 14px;
  }
  .footer-bottom .region { color: var(--teal); font-weight: 500; }

  /* --- ANIMATIONS --- */
  .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s ease; }
  .reveal.in { opacity: 1; transform: translateY(0); }

  /* --- MOBILE --- */
  @media (max-width: 1024px) { .services { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 820px) {
    .nav-links a:not(.nav-cta) { display: none; }
    .hero { padding: 140px 0 70px; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    section { padding: 70px 0; }
  }
  @media (max-width: 540px) {
    .services { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .logo-img { height: 30px; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 24px 20px; }
  }