:root{
    --indigo:#6366f1; --indigo-d:#4f46e5; --violet:#8b5cf6;
    --ink:#0f172a; --body:#475569; --muted:#94a3b8;
    --line:#e7e8ef; --bg:#ffffff; --bg-soft:#f7f8fc; --bg-tint:#f0f1fe;
    --radius:18px; --radius-sm:12px; --maxw:1180px;
    --grad:linear-gradient(135deg,#6366f1 0%,#7c6cf2 45%,#8b5cf6 100%);
    --shadow:0 10px 40px -12px rgba(79,70,229,.18); --shadow-sm:0 4px 18px -8px rgba(15,23,42,.12);
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{font-family:'Inter',system-ui,sans-serif;color:var(--body);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
  h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.14;letter-spacing:-0.02em;}
  a{text-decoration:none;color:inherit;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:15px;padding:13px 22px;border-radius:12px;border:1px solid transparent;cursor:pointer;transition:.18s;font-family:inherit;}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px -8px rgba(99,102,241,.6);}
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 28px -8px rgba(99,102,241,.7);}
  .btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
  .btn-ghost:hover{border-color:var(--indigo);color:var(--indigo-d);}
  .btn-lg{padding:16px 28px;font-size:16px;}
  .eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--indigo-d);background:var(--bg-tint);padding:6px 14px;border-radius:99px;}
  section{padding:80px 0;}
  .sec-head{max-width:720px;margin:0 auto 50px;text-align:center;}
  .sec-head h2{font-size:34px;margin-bottom:14px;}
  .sec-head p{font-size:18px;color:var(--body);}

  /* NAV with mega-menu */
  nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line);}
  .nav-in{display:flex;align-items:center;justify-content:space-between;height:70px;}
  .logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:-0.02em;}
  .logo .mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:flex;align-items:center;justify-content:center;}
  .logo .mark svg{width:18px;height:18px;}
  .nav-links{display:flex;align-items:center;gap:34px;}
  .nav-links > a,.nav-links .has-mega > button,.nav-links .has-mega > a.mega-trigger{font-size:15px;font-weight:500;color:var(--body);display:flex;align-items:center;gap:5px;transition:.15s;background:none;border:none;cursor:pointer;font-family:inherit;}
  .nav-links > a:hover,.nav-links .has-mega:hover > button,.nav-links .has-mega:hover > a.mega-trigger{color:var(--ink);}
  .nav-links a.active{color:var(--indigo-d);font-weight:600;}
  .has-mega{position:relative;}
  .has-mega > button .chev{transition:.18s;}
  .has-mega:hover > button .chev{transform:rotate(180deg);}
  .mega{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:10px;width:520px;opacity:0;visibility:hidden;transition:.18s;}
  .has-mega:hover .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
  .mega::before{content:"";position:absolute;top:-7px;left:50%;transform:translateX(-50%) rotate(45deg);width:14px;height:14px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line);}
  .mega-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .mega-item{display:flex;gap:12px;padding:14px;border-radius:12px;transition:.15s;cursor:pointer;}
  .mega-item:hover{background:var(--bg-soft);}
  .mega-item .mi{width:40px;height:40px;border-radius:10px;background:var(--bg-tint);color:var(--indigo-d);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
  .mega-item .mi svg{width:20px;height:20px;}
  .mega-item h6{font-size:14.5px;font-weight:600;color:var(--ink);margin-bottom:2px;}
  .mega-item p{font-size:12.5px;color:var(--muted);line-height:1.45;}
  .nav-cta{display:flex;align-items:center;gap:14px;}
  .nav-cta .acct{font-size:15px;font-weight:500;color:var(--body);}
  .burger{display:none;background:none;border:none;cursor:pointer;padding:8px;color:var(--ink);}
  .burger svg{width:26px;height:26px;}
  .mobile-menu{display:none;flex-direction:column;gap:4px;padding:14px 28px 24px;background:#fff;border-bottom:1px solid var(--line);}
  .mobile-menu a{padding:12px 4px;font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--bg-soft);cursor:pointer;}
  .mobile-menu a.btn{color:#fff;border-bottom:none;}
  .mobile-menu a.btn-ghost{color:var(--ink);}
  .mobile-menu .btn{margin-top:14px;}
  .mobile-menu.open{display:flex;}

  /* HERO */
  .phero{position:relative;padding:80px 0 50px;text-align:center;overflow:hidden;}
  .phero::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 380px at 50% -10%,rgba(139,92,246,.12),transparent 70%);}
  .phero-in{position:relative;max-width:680px;margin:0 auto;}
  .phero h1{font-size:48px;font-weight:800;margin:18px 0 16px;}
  .phero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;}
  .phero p{font-size:19px;color:var(--body);max-width:560px;margin:0 auto;}
  .search{max-width:560px;margin:30px auto 0;position:relative;}
  .search input{width:100%;padding:16px 18px 16px 50px;border:1px solid var(--line);border-radius:14px;font-family:inherit;font-size:15px;color:var(--ink);box-shadow:var(--shadow-sm);}
  .search input::placeholder{color:var(--muted);}
  .search svg{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--muted);}

  /* TWO BIG CARDS */
  .cards2{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:920px;margin:0 auto;}
  .scard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px;transition:.2s;display:flex;flex-direction:column;cursor:pointer;}
  .scard:hover{border-color:#d4d7ec;box-shadow:var(--shadow);transform:translateY(-3px);}
  .scard .si{width:54px;height:54px;border-radius:14px;background:var(--bg-tint);color:var(--indigo-d);display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
  .scard .si svg{width:27px;height:27px;}
  .scard h3{font-size:22px;margin-bottom:10px;}
  .scard p{font-size:15px;flex:1;margin-bottom:22px;}
  .scard .arrow{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--indigo-d);}
  .scard .arrow svg{width:16px;height:16px;transition:.18s;}
  .scard:hover .arrow svg{transform:translateX(3px);}

  /* DOC TOPICS */
  .topics{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
  .topic{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 22px;transition:.15s;}
  .topic:hover{border-color:var(--indigo);box-shadow:var(--shadow-sm);}
  .topic h4{font-size:15.5px;margin-bottom:6px;display:flex;align-items:center;gap:9px;}
  .topic h4 svg{width:18px;height:18px;color:var(--indigo-d);}
  .topic p{font-size:13px;color:var(--muted);}

  /* CTA + FOOTER */
  .cta-band{background:var(--grad);border-radius:28px;padding:60px 40px;text-align:center;color:#fff;}
  .cta-band h2{color:#fff;font-size:34px;margin-bottom:14px;}
  .cta-band p{color:rgba(255,255,255,.9);font-size:18px;margin-bottom:28px;}
  .cta-band .btn-white{background:#fff;color:var(--indigo-d);}
  footer{background:#0f1222;color:#9aa1b5;padding:64px 0 36px;}
  .foot-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.08);}
  .foot-brand .logo{color:#fff;margin-bottom:14px;}
  .foot-brand p{font-size:14px;max-width:280px;}
  footer h5{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;}
  footer ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
  footer ul a{font-size:14px;color:#9aa1b5;transition:.15s;}
  footer ul a:hover{color:#fff;}
  .foot-bot{display:flex;justify-content:space-between;align-items:center;padding-top:28px;font-size:13px;flex-wrap:wrap;gap:12px;}
  .foot-bot a{color:#9aa1b5;}
  .foot-bot .foot-legal a + a{margin-left:20px;}

  /* CONTACT MODAL (maps to an Elementor popup in production) */
  .modal-overlay{position:fixed;inset:0;background:rgba(15,18,34,.55);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:.2s;z-index:100;}
  .modal-overlay.open{opacity:1;visibility:visible;}
  .modal{background:#fff;border-radius:20px;box-shadow:0 30px 80px -20px rgba(15,23,42,.4);width:100%;max-width:480px;padding:32px;transform:translateY(12px) scale(.98);transition:.2s;max-height:90vh;overflow-y:auto;}
  .modal-overlay.open .modal{transform:none;}
  .modal-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:6px;}
  .modal h3{font-size:21px;}
  .modal .close{background:none;border:none;cursor:pointer;color:var(--muted);padding:4px;line-height:0;border-radius:7px;transition:.15s;}
  .modal .close:hover{background:var(--bg-soft);color:var(--ink);}
  .modal .close svg{width:22px;height:22px;}
  .modal .sub{font-size:14px;color:var(--body);margin-bottom:22px;}
  .field{margin-bottom:16px;}
  .field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;}
  .field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-family:inherit;font-size:14.5px;color:var(--ink);outline:none;transition:.15s;}
  .field input:focus,.field textarea:focus{border-color:var(--indigo);box-shadow:0 0 0 4px rgba(99,102,241,.12);}
  .field textarea{resize:vertical;min-height:110px;}
  .modal .btn-primary{width:100%;}
  .modal-note{font-size:12px;color:var(--muted);text-align:center;margin-top:14px;}

  @media(max-width:880px){
    .nav-links,.nav-cta .acct,.nav-cta .btn{display:none;}
    .burger{display:block;}
    .phero{padding:48px 0 30px;} .phero h1{font-size:32px;} .phero p{font-size:16px;}
    section{padding:54px 0;}
    .sec-head h2{font-size:25px;}
    .cards2,.topics,.foot-top{grid-template-columns:1fr;}
    .cta-band h2{font-size:24px;}
  }
@media(max-width:880px){
  .eyebrow{font-size:11px;letter-spacing:.02em;padding:6px 12px;}
  .btn-lg{font-size:14px;padding:14px 20px;line-height:1.3;}
}