:root{
    --black:#111111;
    --yellow:#FFC107;
    --white:#FFFFFF;
    --bg-alt:#F6F6F6;
    --gray:#4D4D4D;
    --gray-dark:#3A3A3A;
    --border:#E5E5E5;

    --font-display:'Space Grotesk', sans-serif;
    --font-body:'Inter', sans-serif;
    --font-mono:'JetBrains Mono', monospace;

    --container:1180px;
    --radius:14px;
    --ease:cubic-bezier(.16,.84,.44,1);
  }

  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    font-family:var(--font-body);
    color:var(--black);
    background:var(--white);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    overflow-x:hidden;
  }
  img,svg{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.15;letter-spacing:-0.01em;}
  .container{max-width:var(--container);margin:0 auto;padding:0 32px;}
  section{position:relative;}

  /* ---------- ACCESSIBILITY ---------- */
  .skip-link{
    position:absolute;top:-60px;left:16px;background:var(--black);color:var(--white);
    padding:12px 20px;border-radius:8px;z-index:1000;transition:top .2s ease;font-size:14px;font-weight:600;
  }
  .skip-link:focus{top:16px;}
  :focus-visible{outline:2px solid var(--yellow);outline-offset:3px;border-radius:2px;}
  .visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;}

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

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-family:var(--font-mono);font-size:12px;letter-spacing:0.12em;text-transform:uppercase;
    color:var(--black);background:var(--yellow);
    padding:6px 14px;border-radius:100px;font-weight:500;
  }
  .eyebrow.on-dark{background:rgba(255,193,7,0.16);color:var(--yellow);}
  .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--black);flex-shrink:0;}
  .eyebrow.on-dark::before{background:var(--yellow);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    font-family:var(--font-body);font-weight:600;font-size:15px;
    padding:16px 30px;border-radius:100px;border:2px solid transparent;
    cursor:pointer;transition:transform .2s var(--ease), box-shadow .2s var(--ease), background .2s ease, color .2s ease, border-color .2s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--yellow);color:var(--black);box-shadow:0 1px 2px rgba(0,0,0,0.08);}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px -8px rgba(255,193,7,0.55);}
  .btn-primary:active{transform:translateY(0);}
  .btn-dark{background:var(--black);color:var(--white);}
  .btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 28px -8px rgba(0,0,0,0.35);}
  .btn-outline{background:transparent;color:var(--black);border-color:var(--black);}
  .btn-outline:hover{background:var(--black);color:var(--white);}
  .btn-outline.on-dark{color:var(--white);border-color:rgba(255,255,255,0.35);}
  .btn-outline.on-dark:hover{background:var(--white);color:var(--black);}
  .btn-lg{padding:18px 34px;font-size:15.5px;}
  .btn svg{width:18px;height:18px;flex-shrink:0;}
  .btn:disabled{opacity:.6;cursor:not-allowed;transform:none !important;box-shadow:none !important;}

  /* ---------- HEADER ---------- */
  header{
    position:sticky;top:0;z-index:100;
    background:rgba(255,255,255,0.88);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid var(--border);
  }
  .nav-wrap{
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;
    padding:16px 32px;max-width:var(--container);margin:0 auto;row-gap:12px;
  }
  .logo{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:21px;}
  .logo-img{height:30px;width:auto;display:block;}
  .logo .dot{width:9px;height:9px;background:var(--yellow);border-radius:2px;transform:rotate(45deg);flex-shrink:0;}
  nav ul{display:flex;gap:26px;flex-wrap:wrap;}
  nav a{font-size:14px;font-weight:500;color:var(--gray);position:relative;padding:4px 0;transition:color .2s ease;}
  nav a:hover{color:var(--black);}
  nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--yellow);transition:width .25s var(--ease);}
  nav a:hover::after{width:100%;}
  .nav-actions{display:flex;align-items:center;gap:16px;}