:root{
    --paper:#fffcf0; --paper2:#fbf4dc; --card:#ffffff; --ink:#15213f; --ink2:#3f4a66; --muted:#6d7488; --line:#ece3c6; --rule:#d9e4f5;
    --blue:#2346c8; --blue2:#16309a; --red:#e5484d; --hi:#ffe766; --hi2:#ffd93b; --green:#1f9d6b;
    --sans: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    --mono: ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  }
  *{box-sizing:border-box} html{scroll-behavior:smooth}
  body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden;overflow-x:clip}
  a{color:inherit}
  .wrap{max-width:1140px;margin:0 auto;padding:0 20px}
  .sr{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
  .hl{background:linear-gradient(transparent 58%,var(--hi) 58%,var(--hi) 92%,transparent 92%);padding:0 .08em}

  nav{position:sticky;top:0;z-index:40;background:rgba(255,252,240,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{font:800 21px/1 var(--sans);letter-spacing:-.03em;text-decoration:none;display:flex;align-items:center;gap:10px}
  .logo .mk{width:28px;height:32px;border-radius:4px 4px 6px 6px;background:repeating-linear-gradient(180deg,#fff 0 6px,var(--rule) 6px 7px);border:2px solid var(--ink);position:relative;box-shadow:3px 3px 0 var(--hi2)}
  .logo .mk::before{content:"";position:absolute;left:5px;top:-2px;bottom:-2px;width:2px;background:var(--red)}
  .logo small{font:500 12px var(--sans);color:var(--muted);letter-spacing:0}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:2px solid var(--ink);cursor:pointer;text-decoration:none;
    font:800 16px/1 var(--sans);padding:15px 22px;border-radius:10px;background:var(--blue);color:#fff;
    box-shadow:4px 4px 0 var(--ink);transition:transform .12s,box-shadow .12s,background .2s}
  .btn:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
  .btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
  .btn.sm{padding:10px 15px;font-size:14px;box-shadow:3px 3px 0 var(--ink)}
  .btn:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--red);outline-offset:3px}

  /* hero */
  .hero{padding:58px 0 84px;position:relative;overflow:hidden;overflow:clip;
    background:repeating-linear-gradient(180deg,transparent 0 35px,rgba(35,70,200,.08) 35px 36px)}
  .hero::before{content:"";position:absolute;top:0;bottom:0;left:max(20px,calc(50% - 600px));width:2px;background:rgba(229,72,77,.35);pointer-events:none}
  .hero::after{content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,231,102,.7),transparent 65%);pointer-events:none}
  .hero .grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;position:relative;z-index:1}
  .hero .grid>*{min-width:0}
  .tag{display:inline-flex;gap:8px;align-items:center;font:700 13px var(--mono);color:var(--ink);background:var(--card);border:2px solid var(--ink);padding:6px 12px;border-radius:8px;box-shadow:3px 3px 0 var(--hi2)}
  h1{font:900 clamp(42px,6.4vw,80px)/.98 var(--sans);letter-spacing:-.045em;margin:22px 0 20px}
  h1 .q{color:var(--blue)}
  .lede{font-size:clamp(18px,2vw,21px);color:var(--ink2);max-width:540px;margin:0 0 28px}
  .signup{display:flex;gap:10px;max-width:520px;flex-wrap:wrap}
  .signup input{flex:1 1 230px;min-width:0;background:var(--card);border:2px solid var(--ink);color:var(--ink);font:16px var(--sans);padding:14px 16px;border-radius:10px}
  .micro{font-size:14px;color:var(--ink2);margin-top:14px;display:flex;gap:6px 18px;flex-wrap:wrap}
  .micro span::before{content:"✓ ";color:var(--green);font-weight:800}

  /* demo app */
  .demo{position:relative}
  .app{background:var(--card);border:2px solid var(--ink);border-radius:16px;box-shadow:8px 8px 0 var(--ink);overflow:hidden;display:flex;flex-direction:column}
  .bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:12px 14px;border-bottom:2px solid var(--ink);background:var(--paper2)}
  .bar b{font:900 18px var(--sans);letter-spacing:-.02em}
  .bar b small{font:700 12px var(--mono);color:var(--muted);letter-spacing:0;margin-left:6px}
  .dtag{font:700 11px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.06em;white-space:nowrap}
  .comp{padding:12px 14px;border-bottom:2px dashed var(--rule)}
  .tb{display:flex;gap:6px;align-items:center;margin-bottom:8px;flex-wrap:wrap}
  .tb button{border:2px solid var(--ink);background:#fff;border-radius:7px;min-width:34px;height:32px;padding:0 8px;font:800 14px var(--sans);color:var(--ink);cursor:pointer}
  .tb button:hover{background:var(--paper2)}
  .tb .hint{font:600 11.5px var(--mono);color:var(--muted);margin-left:auto}
  .ed{min-height:70px;max-height:130px;overflow:auto;border:2px solid var(--ink);border-radius:10px;background:var(--hi);padding:10px 12px;font:15px/1.45 var(--sans);color:var(--ink);overflow-wrap:anywhere}
  .ed:focus{outline:3px solid var(--blue);outline-offset:2px}
  .ed:empty::before{content:attr(data-ph);color:rgba(21,33,63,.5)}
  .ed ul,.note .nb ul{margin:4px 0;padding-left:20px}
  .ed a,.note a{color:var(--blue);font-weight:700}
  .crow{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:8px}
  .crow small{font:600 12px var(--mono);color:var(--muted)}
  .addbtn{flex:none;border:2px solid var(--ink);border-radius:8px;background:var(--hi);color:var(--ink);font:800 14px var(--sans);padding:8px 14px;cursor:pointer}
  .addbtn:hover{background:var(--hi2)}
  .bscroll{max-height:300px;overflow:auto;background:repeating-linear-gradient(0deg,transparent 0 23px,rgba(21,33,63,.04) 23px 24px),var(--paper)}
  .board{columns:2;column-gap:12px;padding:14px}
  .note{break-inside:avoid;display:inline-block;width:100%;margin:0 0 12px;border:2px solid var(--ink);border-radius:4px 4px 12px 4px;padding:10px 12px 8px;box-shadow:3px 3px 0 var(--ink);position:relative;font-size:14px;line-height:1.4}
  .note.new{animation:pop .35s ease-out}
  @keyframes pop{from{opacity:0;transform:translateY(-8px) rotate(-2deg)}to{opacity:1;transform:none}}
  .note .nb{outline:none;overflow-wrap:anywhere;padding-right:18px;min-height:20px}
  .note .nb[contenteditable="true"]{background:rgba(255,255,255,.6);border-radius:6px;box-shadow:0 0 0 2px var(--blue)}
  .note .nf{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-top:6px;font:600 11px var(--mono);color:rgba(21,33,63,.6)}
  .note .nf button{border:0;background:none;font:800 11.5px var(--mono);color:var(--ink);cursor:pointer;text-decoration:underline;padding:2px}
  .note .del{position:absolute;top:4px;right:4px;border:0;background:none;font:700 17px/1 var(--sans);color:rgba(21,33,63,.55);cursor:pointer;padding:3px 6px;border-radius:6px}
  .note .del:hover{color:var(--red);background:rgba(255,255,255,.6)}
  .note button:focus-visible,.tb button:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
  .c0{background:var(--hi)}.c1{background:#dbe5ff}.c2{background:#d6f5e6}.c3{background:#ffe0e0}.c4{background:#efe6ff}
  .dnote{font-size:12.5px;color:var(--muted);text-align:center;margin:18px 0 0}
  .dnote b{color:var(--ink)}
  .dstat{min-height:18px;font:700 12px var(--mono);color:var(--red);padding:0 14px 10px;margin:0}
  .sticky{position:absolute;right:-26px;top:-84px;width:118px;padding:12px 12px 14px;background:var(--hi);transform:rotate(5deg);box-shadow:0 10px 22px -10px rgba(21,33,63,.5);font:700 14px/1.3 var(--sans);color:var(--ink);z-index:2}
  .sticky::before{content:"";position:absolute;left:36px;top:-8px;width:46px;height:16px;background:rgba(255,255,255,.65);transform:rotate(-4deg)}

  section{padding:92px 0}
  .kicker{font:700 13px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--red);margin-bottom:12px}
  h2{font:900 clamp(32px,4.4vw,52px)/1.04 var(--sans);letter-spacing:-.04em;margin:0 0 16px}
  h2 em{font-style:normal;color:var(--blue)}
  .sub{color:var(--ink2);font-size:19px;max-width:660px;margin:0}
  .center{text-align:center}.center .sub{margin:0 auto}

  .for{padding:24px 0 28px;border-block:2px solid var(--ink);background:var(--card)}
  .for .wrap{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center}
  .for b{font:700 13px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-right:6px}
  .chip{background:var(--paper);border:2px solid var(--ink);border-radius:8px;padding:6px 14px;font:600 15px var(--sans);color:var(--ink)}

  .probs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:48px}
  .pb{background:var(--card);border:2px solid var(--ink);border-radius:14px;padding:26px;box-shadow:5px 5px 0 var(--paper2)}
  .pb .scrap{font:600 14px/1.4 var(--mono);color:var(--ink2);background:var(--paper2);border-left:3px solid var(--red);padding:10px 12px;margin-bottom:18px;border-radius:0 8px 8px 0}
  .pb h3{margin:0 0 8px;font:800 21px/1.2 var(--sans);letter-spacing:-.02em}
  .pb p{margin:0;color:var(--ink2);font-size:16px}

  .feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
  .fc{background:var(--card);border:2px solid var(--ink);border-radius:14px;padding:26px;transition:transform .15s,box-shadow .15s}
  .fc:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}
  .fc .ic{width:48px;height:48px;border-radius:10px;border:2px solid var(--ink);display:grid;place-items:center;font-size:24px;margin-bottom:16px}
  .fc h3{margin:0 0 8px;font:800 20px/1.2 var(--sans);letter-spacing:-.02em}
  .fc p{margin:0;color:var(--ink2);font-size:16px}
  .i1{background:var(--hi)}.i2{background:#dbe5ff}.i3{background:#d6f5e6}.i4{background:#ffe0e0}.i5{background:#efe6ff}.i6{background:#fff0d6}

  .how{background:var(--ink);color:#fff}
  .how .kicker{color:var(--hi)} .how h2 em{color:var(--hi)} .how .sub{color:#c9cfe0}
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:52px}
  .st{background:var(--paper);color:var(--ink);border-radius:6px;padding:26px 24px 26px 46px;position:relative;
    background-image:repeating-linear-gradient(180deg,transparent 0 27px,var(--rule) 27px 28px);background-position:0 18px}
  .st::before{content:"";position:absolute;left:30px;top:0;bottom:0;width:2px;background:rgba(229,72,77,.45)}
  .st .n{font:800 13px var(--mono);color:var(--red);display:block;margin-bottom:8px}
  .st h3{margin:0 0 6px;font:900 22px/1.2 var(--sans);letter-spacing:-.02em}
  .st p{margin:0;color:var(--ink2);font-size:16px}

  .promise{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
  .pc{background:var(--card);border:2px solid var(--ink);border-radius:14px;padding:22px}
  .pc b{display:block;font:800 17px var(--sans);margin-bottom:4px}
  .pc span{color:var(--muted);font-size:15px}
  .pc i{display:inline-block;font:700 12px var(--mono);font-style:normal;background:var(--hi);border:2px solid var(--ink);border-radius:6px;padding:2px 8px;margin-bottom:12px}

  .faq{max-width:780px;margin:44px auto 0}
  details{border-bottom:2px dashed var(--line);padding:20px 0}
  summary{cursor:pointer;list-style:none;font:700 19px var(--sans);display:flex;justify-content:space-between;gap:16px}
  summary::-webkit-details-marker{display:none}
  summary::after{content:"+";font:800 24px/1 var(--mono);color:var(--blue);transition:transform .2s;flex:none}
  details[open] summary::after{transform:rotate(45deg)}
  details p{color:var(--ink2);margin:12px 0 0}

  .final{text-align:center;background:var(--blue);color:#fff;border-radius:22px;border:2px solid var(--ink);box-shadow:8px 8px 0 var(--ink);margin:0 28px 48px;padding:96px 20px;position:relative;overflow:hidden;
    background-image:repeating-linear-gradient(180deg,transparent 0 35px,rgba(255,255,255,.08) 35px 36px)}
  .final>*{position:relative}
  .final h2{color:#fff;font-size:clamp(38px,5.8vw,70px)}
  .final h2 em{color:var(--ink);background:var(--hi);padding:0 .15em;border-radius:6px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
  .final .sub{color:#e3e9ff;margin:0 auto}
  .final .signup{margin:32px auto 0;justify-content:center}
  .final .btn{background:var(--hi);color:var(--ink)}
  .final .micro{justify-content:center;color:#fff}
  .final .micro span::before{color:var(--hi)}
  .final .kicker{color:var(--hi)}
  .final :is(input,button):focus-visible{outline-color:var(--hi)}

  footer{padding:24px 0 100px;color:var(--muted);font-size:14px}
  footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
  footer a{text-decoration:none;margin-left:18px} footer a:hover{color:var(--ink)}
  footer .links a:first-child{margin-left:0}

  .mcta{position:fixed;left:12px;right:12px;bottom:12px;z-index:45;display:none;transform:translateY(160%);transition:transform .3s}
  .mcta.show{transform:none} .mcta .btn{width:100%;padding:17px}

  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
  .reveal.on{opacity:1;transform:none}

  @media (max-width:960px){
    .hero .grid{grid-template-columns:1fr}
    .demo{max-width:560px;margin:24px auto 0;width:100%}
    .probs,.steps{grid-template-columns:1fr;max-width:560px;margin-left:auto;margin-right:auto}
    .feats,.promise{grid-template-columns:1fr 1fr}
    section{padding:64px 0}
    .mcta{display:block}
    nav .btn{display:none}
    .final{margin:0 16px 36px;padding:70px 18px}
    .sticky{right:-6px}
  }
  @media (max-width:600px){
    .app{box-shadow:5px 5px 0 var(--ink)}
    .sticky{display:none}
  }
  @media (max-width:560px){
    .feats,.promise{grid-template-columns:1fr} .signup .btn{width:100%}
    .bar{padding:10px}.comp{padding:10px}.board{padding:10px;column-gap:10px}.tb .hint{display:none}
    .final{margin:0 14px 30px;box-shadow:5px 5px 0 var(--ink)}
  }
  @media (max-width:420px){ .note{font-size:13px;padding:9px 9px 7px} .board{column-gap:8px} }
  @media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}html{scroll-behavior:auto}}