:root{
    --green:#00A651;
    --green-dark:#00893f;
    --blue:#003087;
    --bg-soft:#F8F9FA;
    --ink:#0B1E3B;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Inter',sans-serif;
    color:var(--ink);
    background:#fff;
  }
  h1,h2,h3,.font-display{font-family:'Poppins',sans-serif;}

  /* Sticky header */
  .site-header{
    position:sticky; top:0; z-index:50;
    backdrop-filter:saturate(180%) blur(10px);
    background:rgba(255,255,255,0.92);
    border-bottom:1px solid #eef1f3;
  }

  /* Circuit-node decoration echoing the logo */
  .circuit-line{stroke:var(--blue); stroke-width:2; fill:none; opacity:.35;}
  .circuit-node{fill:var(--blue); opacity:.5;}

  .hero-bg{
    background:
      radial-gradient(circle at 18% 30%, rgba(0,166,81,0.16), transparent 45%),
      radial-gradient(circle at 85% 15%, rgba(0,48,135,0.10), transparent 50%),
      var(--bg-soft);
  }

  .btn-primary{
    background:var(--green);
    color:#fff;
    transition:transform .15s ease, background .15s ease;
  }
  .btn-primary:hover{background:var(--green-dark); transform:translateY(-1px);}

  .btn-outline{
    border:1.5px solid var(--blue);
    color:var(--blue);
    transition:background .15s ease, color .15s ease;
  }
  .btn-outline:hover{background:var(--blue); color:#fff;}

  .card{
    border:1px solid #eef1f3;
    transition:box-shadow .2s ease, transform .2s ease;
  }
  .card:hover{box-shadow:0 12px 30px rgba(0,48,135,0.08); transform:translateY(-3px);}

  .stat-number{
    font-family:'Poppins',sans-serif;
    font-weight:800;
    background:linear-gradient(90deg, var(--green), var(--blue));
    -webkit-background-clip:text;
    background-clip:text;
    color:transparent;
  }

  .impact-section{
    background:var(--blue);
    background-image: linear-gradient(160deg, #003087 0%, #001c54 100%);
  }

  .footer-bg{ background:#071235; }

  ::selection{background:rgba(0,166,81,0.25);}

  /* ---- Motion: scroll reveal ---- */
  .reveal{
    opacity:0;
    transform:translateY(28px);
    transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
  }
  .reveal.visible{opacity:1; transform:translateY(0);}
  .reveal-stagger.visible > *{ }
  .reveal-stagger > *{
    opacity:0;
    transform:translateY(24px);
    transition:opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1);
  }
  .reveal-stagger.visible > *{ opacity:1; transform:translateY(0); }
  .reveal-stagger > *:nth-child(1){transition-delay:.05s;}
  .reveal-stagger > *:nth-child(2){transition-delay:.12s;}
  .reveal-stagger > *:nth-child(3){transition-delay:.19s;}
  .reveal-stagger > *:nth-child(4){transition-delay:.26s;}
  .reveal-stagger > *:nth-child(5){transition-delay:.33s;}
  .reveal-stagger > *:nth-child(6){transition-delay:.40s;}

  /* ---- Hero entrance ---- */
  @keyframes heroUp{
    from{opacity:0; transform:translateY(22px);}
    to{opacity:1; transform:translateY(0);}
  }
  @keyframes heroPop{
    from{opacity:0; transform:scale(.92);}
    to{opacity:1; transform:scale(1);}
  }
  .hero-anim-1{animation:heroUp .8s cubic-bezier(.2,.7,.2,1) .05s both;}
  .hero-anim-2{animation:heroUp .8s cubic-bezier(.2,.7,.2,1) .18s both;}
  .hero-anim-3{animation:heroUp .8s cubic-bezier(.2,.7,.2,1) .30s both;}
  .hero-anim-globe{animation:heroPop .9s cubic-bezier(.2,.7,.2,1) .15s both;}

  /* ---- Floating globe ---- */
  @keyframes floaty{
    0%,100%{transform:translateY(0px);}
    50%{transform:translateY(-14px);}
  }
  .floaty{animation:floaty 5.5s ease-in-out infinite;}

  /* ---- Counter number pop ---- */
  .stat-number{ opacity:0; }
  .stat-number.counted{ opacity:1; transition:opacity .4s ease; }

  /* ---- Nav underline hover ---- */
  .nav-link{position:relative;}
  .nav-link::after{
    content:'';
    position:absolute; left:0; right:100%; bottom:-4px; height:2px;
    background:var(--green);
    transition:right .25s ease;
  }
  .nav-link:hover::after{right:0;}

  /* ---- CTA subtle shine ---- */
  .btn-primary{position:relative; overflow:hidden;}
  .btn-primary::before{
    content:'';
    position:absolute; top:0; left:-60%; width:40%; height:100%;
    background:linear-gradient(120deg, transparent, rgba(255,255,255,.35), transparent);
    transform:skewX(-20deg);
    transition:left .6s ease;
  }
  .btn-primary:hover::before{left:120%;}

  @media (prefers-reduced-motion: reduce){
    *{transition:none !important; animation:none !important;}
    .reveal, .reveal-stagger > *{opacity:1; transform:none;}
  }

  /* ---- Arrow link (section -> dedicated page) ---- */
  .arrow-link{
    display:inline-flex; align-items:center; gap:6px;
    font-weight:600; font-size:14px;
  }
  .arrow-link svg{ transition:transform .2s ease; }
  .arrow-link:hover svg{ transform:translateX(4px); }

  /* ---- Back to top button ---- */
  .back-to-top{
    position:fixed; right:24px; bottom:24px; z-index:40;
    width:46px; height:46px; border-radius:9999px;
    background:var(--blue); color:#fff; border:none; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
    box-shadow:0 6px 20px rgba(0,48,135,0.25);
    opacity:0; visibility:hidden; transform:translateY(10px);
    transition:opacity .25s ease, transform .25s ease, background .2s ease;
  }
  .back-to-top.visible{ opacity:1; visibility:visible; transform:translateY(0); }
  .back-to-top:hover{ background:var(--green-dark); }