:root{
    /* MA-DI's original scheme: white, teal #12CCAE, black */
    --bg:#FFFFFF;
    --surface:#F4F4F4;
    --fg:#161616;
    --muted:#5A5A5A;
    --border:#E3E3E3;
    --accent:#12CCAE;
    --accent-ink:#0A7D6A;    /* darker teal for small text on white */
    --accent-on:#000000;
    --accent-hover:#17EBC9;
    --font-display:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
    --font-body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",Helvetica,Arial,sans-serif;
    --font-mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
    --radius:20px;
    --container:1160px;
    --gutter:24px;
    --section-y:56px;
  }
  .dark{--bg:#161616;--surface:#222222;--fg:#FFFFFF;--muted:#B3B3B3;--border:#333333;--accent-ink:#12CCAE;background:var(--bg);color:var(--fg)}
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
  img{max-width:100%;display:block}
  a{color:inherit}
  h1,h2,h3{font-family:var(--font-display);line-height:1.1;margin:0;letter-spacing:-0.01em}
  h1{font-size:clamp(34px,5.2vw,64px);font-weight:700}
  h2{font-size:clamp(28px,3.6vw,44px);font-weight:700}
  h3{font-size:22px;font-weight:600}
  p{margin:0}
  .container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
  .eyebrow{font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink);font-weight:600}
  .lede{font-size:19px;color:var(--muted);max-width:60ch}
  .muted{color:var(--muted)}
  section{padding:var(--section-y) 0;border-top:1px solid var(--border)}
  .skip{position:absolute;left:-9999px}
  .skip:focus{left:16px;top:16px;background:var(--accent);color:var(--accent-on);padding:8px 12px;border-radius:999px;z-index:99}

  /* Buttons: pill with glint */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:999px;font-family:var(--font-mono);font-weight:600;font-size:15px;letter-spacing:.02em;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease,border-color .15s ease;position:relative;overflow:hidden;white-space:nowrap}
  .btn::after{content:"";position:absolute;inset:0 0 50% 0;background:linear-gradient(180deg,rgba(255,255,255,.22),rgba(255,255,255,0));pointer-events:none;opacity:0;transition:opacity .15s ease}
  .btn:hover::after{opacity:1}
  .btn:hover{transform:translateY(-1px)}
  .btn-primary{background:var(--accent);color:var(--accent-on)}
  .btn-primary:hover{background:var(--accent-hover)}
  .btn-ghost{background:transparent;color:var(--fg);border-color:var(--muted)}
  .btn-ghost:hover{border-color:var(--fg)}
  .btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

  /* Nav */
  .topnav{position:sticky;top:0;z-index:50;background:rgba(22,22,22,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
  .topnav .container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
  .brand{display:flex;align-items:center;gap:12px;text-decoration:none}
  .brand img{height:48px;width:auto}
  .brand span{font-family:var(--font-mono);font-weight:700;letter-spacing:.08em;font-size:15px}
  .navlinks{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
  .navlinks a{text-decoration:none;color:var(--muted);font-size:15px;font-weight:500}
  .navlinks a:hover{color:var(--fg)}
  .navright{display:flex;align-items:center;gap:16px}
  .lang{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em}
  .lang a{padding:8px 12px;text-decoration:none;color:var(--muted)}
  .lang a[aria-current]{background:var(--surface);color:var(--fg)}
  .nav-cta{min-height:42px;padding:0 18px;font-size:13px}
  .menu-btn{display:none;background:none;border:1px solid var(--border);color:var(--fg);border-radius:999px;width:44px;height:44px;font-size:20px;line-height:1}

  /* Hero */
  .hero{border-top:0;padding:64px 0 72px;position:relative;overflow:hidden}
  .hero-bg{position:absolute;inset:0;z-index:0}
  .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.45;filter:saturate(.7)}
  .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,22,22,.45) 0%,rgba(22,22,22,.9) 70%,var(--bg) 100%)}
  .hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
  .hero h1{margin:18px 0 22px;max-width:16ch}
  .hero .lede{margin-bottom:34px}
  .hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
  .hero-note{margin-top:18px;font-family:var(--font-mono);font-size:13px;color:var(--muted)}
  .pillars-mini{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
  .pillars-mini .eyebrow{display:block;margin-bottom:16px}
  .pillars-mini ol{margin:0;padding:0;list-style:none;display:grid;gap:18px}
  .pillars-mini li{display:grid;grid-template-columns:44px 1fr;gap:14px;align-items:start}
  .pillars-mini .num{font-family:var(--font-mono);font-weight:700;color:var(--accent-ink);font-size:26px;line-height:1}
  .pillars-mini strong{display:block;font-family:var(--font-mono);font-size:15px;margin-bottom:4px}
  .pillars-mini p{font-size:15px;color:var(--muted)}
  .pillars-mini p a{white-space:nowrap;color:var(--fg)}

  /* Section headers */
  .sec-head{max-width:70ch;margin-bottom:32px}
  .sec-head h2{margin:8px 0 10px}
  h2{line-height:1.05}

  /* Floating WhatsApp button */
  .wa-float{position:fixed;right:20px;bottom:20px;z-index:60;display:inline-flex;align-items:center;gap:10px;height:56px;padding:0 20px 0 14px;border-radius:999px;background:#25D366;color:#062b16;font-family:var(--font-mono);font-weight:600;font-size:14px;text-decoration:none;box-shadow:0 6px 20px rgba(0,0,0,.25);transition:transform .15s ease}
  .wa-float:hover{transform:translateY(-2px)}
  .wa-float:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
  .wa-float svg{width:28px;height:28px;flex:none}
  @media (max-width:920px){
    .wa-float{right:14px;bottom:14px;height:52px;padding:0 14px}
    .wa-float span{display:none}
    footer{padding-bottom:88px}
  }
  @media print{.wa-float{display:none}}

  /* Framework: two pillars */
  .pillars{display:grid;grid-template-columns:1fr 1fr;gap:24px}
  .card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:36px}
  .card .tag{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
  .card h3{font-size:26px;margin-bottom:14px}
  .card p{color:var(--muted)}
  .card ul{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
  .card li{position:relative;padding-left:26px;font-size:16px}
  .card li::before{content:"";position:absolute;left:0;top:.6em;width:12px;height:2px;background:var(--accent)}

  /* Services */
  .services{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .service{display:flex;flex-direction:column;gap:14px}
  .service .idx{font-family:var(--font-mono);background:var(--accent);color:var(--accent-on);font-weight:600;font-size:13px;letter-spacing:.12em;display:inline-block;padding:4px 12px;border-radius:999px;align-self:flex-start}
  .service h3{font-size:22px}
  .service .outcome{margin-top:auto;padding-top:20px;border-top:1px solid var(--border);font-family:var(--font-mono);font-size:14px;color:var(--fg)}
  .service .outcome span{color:var(--muted);display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;margin-bottom:6px}

  /* Process */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
  .step{padding:32px 28px;border-left:1px solid var(--border);background:var(--surface)}
  .step:first-child{border-left:0}
  .step .n{font-family:var(--font-mono);font-size:13px;letter-spacing:.14em;background:var(--accent);color:var(--accent-on);font-weight:600;display:inline-block;padding:4px 12px;border-radius:999px}
  .step h3{font-size:20px;margin:14px 0 10px}
  .step p{color:var(--muted);font-size:15px}

  /* About */
  .about{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
  .about .facts{display:grid;gap:0;border-top:1px solid var(--border)}
  .about .facts div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--border);font-size:15px}
  .about .facts dt{font-family:var(--font-mono);color:var(--muted);font-size:12px;letter-spacing:.12em;text-transform:uppercase;padding-top:3px}
  .about .facts dd{margin:0}


  /* FAQ */
  .faq{display:grid;gap:12px;max-width:80ch}
  .faq details{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:4px 20px}
  .faq summary{font-family:var(--font-mono);font-weight:600;font-size:16px;padding:14px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
  .faq summary::-webkit-details-marker{display:none}
  .faq summary::after{content:"+";color:var(--accent-ink);font-size:20px;flex:none}
  .faq details[open] summary::after{content:"–"}
  .faq details p{color:var(--muted);padding:0 0 16px}

  /* Contact */
  .contact{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
  .contact-ways{display:grid;gap:14px;margin-top:28px}
  .way{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border:1px solid var(--border);border-radius:16px;text-decoration:none;background:var(--surface)}
  .way:hover{border-color:var(--muted)}
  .way .l{font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
  .way .v{font-weight:500;font-size:16px}
  .way .arrow{color:var(--accent-ink);font-family:var(--font-mono)}
  form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;display:grid;gap:18px}
  label{display:grid;gap:8px;font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
  input,textarea{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:12px;color:var(--fg);padding:14px 16px;font:inherit;font-size:16px;font-family:var(--font-body)}
  input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
  textarea{min-height:110px;resize:vertical}
  .form-note{font-size:12px;color:var(--muted);line-height:1.5}

  /* Footer */
  footer{border-top:1px solid var(--border);padding:40px 0}
  footer .container{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
  footer .brand img{height:32px}

  .nav-cta .short{display:none}
  .only-mobile{display:none}
  @media (max-width:920px){.only-mobile{display:block}}
  .form-ok{display:none;background:var(--surface);border:1px solid var(--accent);border-radius:var(--radius);padding:32px;text-align:center}
  .form-ok h3{margin-bottom:8px}
  .form-ok p{color:var(--muted)}
  .field-error{display:none;font-family:var(--font-body);text-transform:none;letter-spacing:0;font-size:13px;color:#FF8A80}
  label.invalid .field-error{display:block}
  label.invalid input{border-color:#FF8A80}
  @media (max-width:920px){
    :root{--section-y:44px}
    .navlinks{display:none;position:absolute;left:0;right:0;top:72px;background:var(--bg);border-bottom:1px solid var(--border);flex-direction:column;align-items:stretch;gap:0;padding:8px 0}
    .navlinks.open{display:flex}
    .navlinks li a{display:block;padding:14px var(--gutter);font-size:17px;color:var(--fg)}
    .menu-btn{display:inline-flex;align-items:center;justify-content:center;flex:none}
    .navright{gap:10px}
    .lang{display:none}
    .nav-cta .long{display:none}
    .nav-cta .short{display:inline}
    .nav-cta{padding:0 14px}
    .hero{padding:48px 0 56px}
    .hero .container,.pillars,.about,.contact{grid-template-columns:1fr;gap:32px}
    .hero h1{max-width:none}
    .services{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .step{border-left:0;border-top:1px solid var(--border)}
    .step:first-child{border-top:0}
    .card{padding:28px}
    .about .facts div{grid-template-columns:1fr;gap:6px}
    .hero-actions .btn{width:100%;white-space:normal;text-align:center;padding:12px 20px}
    .hero .container>*{min-width:0}
  }