:root{
    --black:#0a0a0a;
    --near-black:#151513;
    --yellow:#ffcc00;
    --yellow-deep:#e6b800;
    --yellow-pale:#fff4c2;
    --white:#ffffff;
    --paper:#f7f6f1;
    --line: rgba(255,255,255,0.14);
    --line-dark: rgba(10,10,10,0.14);
    --display: 'Archivo Expanded', sans-serif;
    --body: 'Space Grotesk', sans-serif;
    --mono: 'Space Mono', monospace;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--black);
    color:var(--white);
    font-family:var(--body);
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1180px; margin:0 auto; padding:0 28px;}

  /* hazard stripe rule */
  .stripe{
    height:10px;
    background: repeating-linear-gradient(-45deg, var(--yellow) 0 18px, var(--black) 18px 36px);
  }

  /* ---------- header ---------- */
  header{
    position:sticky; top:0; z-index:40;
    background:var(--black);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:18px 0;
  }
  .brand{
    display:flex; align-items:center; gap:10px;
    font-family:var(--display); font-weight:800; font-size:1.05rem;
    letter-spacing:0.01em;
  }
  .brand .mark{
    width:30px; height:30px; background:var(--yellow); color:var(--black);
    display:flex; align-items:center; justify-content:center;
    font-family:var(--mono); font-weight:700; font-size:1rem;
    transform: rotate(-6deg);
  }
  nav.links{display:flex; gap:34px; font-size:0.92rem; color:#cfcfc9;}
  nav.links a{text-decoration:none; transition:color .15s;}
  nav.links a:hover{color:var(--yellow);}
  .nav-cta{
    font-family:var(--mono); font-size:0.82rem; font-weight:700;
    color:var(--black); background:var(--yellow);
    padding:10px 18px; text-decoration:none; border:1px solid var(--yellow);
    transition: background .15s, color .15s;
  }
  .nav-cta:hover{background:transparent; color:var(--yellow);}

  /* ---------- hero ---------- */
  .hero{
    padding:88px 0 72px;
    position:relative;
    overflow:hidden;
  }
  .hero .wrap{
    display:grid; grid-template-columns: 1.15fr 0.85fr; gap:64px; align-items:center;
  }
  .kicker{
    font-family:var(--mono); font-size:0.82rem; color:var(--yellow);
    display:flex; align-items:center; gap:10px; margin-bottom:22px;
  }
  .kicker .dot{width:8px;height:8px; background:var(--yellow); animation:blink 1.6s infinite;}
  @keyframes blink{0%,100%{opacity:1;} 50%{opacity:0.25;}}
  h1{
    font-family:var(--display); font-weight:800;
    font-size: clamp(2.4rem, 4.6vw, 3.6rem);
    line-height:1.05;
    letter-spacing:-0.01em;
  }
  h1 .hl{color:var(--yellow);}
  .hero p.lead{
    margin-top:22px; max-width:46ch;
    font-size:1.08rem; color:#d7d7d1;
  }
  .hero-ctas{display:flex; gap:16px; margin-top:34px; flex-wrap:wrap;}
  .btn-primary{
    font-family:var(--mono); font-weight:700; font-size:0.88rem;
    background:var(--yellow); color:var(--black);
    padding:15px 26px; text-decoration:none; border:1px solid var(--yellow);
    transition: transform .12s ease;
  }
  .btn-primary:hover{transform:translateY(-2px);}
  .btn-ghost{
    font-family:var(--mono); font-weight:700; font-size:0.88rem;
    background:transparent; color:var(--white);
    padding:15px 26px; text-decoration:none; border:1px solid var(--line);
    transition: border-color .15s, color .15s;
  }
  .btn-ghost:hover{border-color:var(--yellow); color:var(--yellow);}

  /* meter readout mock */
  .meter{
    background:var(--near-black);
    border:1px solid var(--line);
    padding:26px;
    position:relative;
  }
  .meter::before{
    content:"";
    position:absolute; top:0; left:0; right:0; height:6px;
    background: repeating-linear-gradient(-45deg, var(--yellow) 0 10px, var(--near-black) 10px 20px);
  }
  .meter-head{
    display:flex; justify-content:space-between; align-items:baseline;
    font-family:var(--mono); font-size:0.72rem; color:#9a9a92;
    margin:14px 0 18px; text-transform:uppercase; letter-spacing:0.06em;
  }
  .meter-head span.on{color:var(--yellow);}
  .chat-line{
    display:flex; margin-bottom:10px;
  }
  .chat-line.me{justify-content:flex-end;}
  .bubble{
    max-width:78%; padding:10px 14px; font-size:0.86rem; font-family:var(--mono);
    border:1px solid var(--line);
  }
  .chat-line.bot .bubble{background:var(--black); color:#d7d7d1;}
  .chat-line.me .bubble{background:var(--yellow); color:var(--black); border-color:var(--yellow);}
  .token-out{
    margin-top:18px; padding:16px; background:var(--black); border:1px dashed var(--yellow);
    font-family:var(--mono);
  }
  .token-out .label{font-size:0.68rem; color:#9a9a92; text-transform:uppercase; letter-spacing:0.08em;}
  .token-out .num{font-size:1.3rem; color:var(--yellow); margin-top:6px; letter-spacing:0.04em;}

  /* ---------- sections shared ---------- */
  section{padding:88px 0;}
  .section-head{
    display:flex; justify-content:space-between; align-items:flex-end;
    gap:24px; margin-bottom:48px; flex-wrap:wrap;
    border-bottom:1px solid var(--line); padding-bottom:26px;
  }
  .section-head h2{
    font-family:var(--display); font-weight:800;
    font-size:clamp(1.7rem, 3vw, 2.3rem);
  }
  .section-head p{color:#9a9a92; max-width:40ch; font-size:0.96rem;}
  .tag{
    font-family:var(--mono); font-size:0.78rem; color:var(--black);
    background:var(--yellow); padding:5px 11px; display:inline-block;
  }

  /* ---------- launching now / features ---------- */
  .feature-grid{
    display:grid; grid-template-columns:repeat(3, 1fr); gap:1px;
    background:var(--line); border:1px solid var(--line);
  }
  .feature{
    background:var(--black); padding:30px 26px;
  }
  .feature .num{font-family:var(--mono); color:var(--yellow); font-size:0.85rem;}
  .feature h3{
    font-family:var(--display); font-weight:700; font-size:1.05rem;
    margin-top:14px; margin-bottom:10px;
  }
  .feature p{color:#b8b8b0; font-size:0.9rem;}

  /* ---------- how it works ---------- */
  .steps{
    display:grid; grid-template-columns:repeat(6,1fr); gap:14px;
  }
  .step{
    border:1px solid var(--line); padding:20px 16px; background:var(--near-black);
  }
  .step .n{
    font-family:var(--mono); font-size:1.2rem; color:var(--yellow); font-weight:700;
  }
  .step h4{font-family:var(--display); font-size:0.92rem; margin:10px 0 6px;}
  .step p{font-size:0.78rem; color:#9a9a92;}

  /* ---------- completed projects ---------- */
  .proj-grid{
    display:grid; grid-template-columns:repeat(3,1fr); gap:20px;
  }
  .proj{
    background:var(--near-black); border:1px solid var(--line);
    padding:26px; transition:border-color .15s;
  }
  .proj:hover{border-color:var(--yellow);}
  .proj .status{
    font-family:var(--mono); font-size:0.68rem; color:var(--yellow);
    text-transform:uppercase; letter-spacing:0.06em;
  }
  .proj h3{font-family:var(--display); font-size:1.05rem; margin:12px 0 10px;}
  .proj p{color:#b8b8b0; font-size:0.86rem;}
  .proj .stack{margin-top:14px; font-family:var(--mono); font-size:0.72rem; color:#7a7a72;}

  /* ---------- sitemap / additional pages ---------- */
  .sitemap{
    display:grid; grid-template-columns: 1fr 1fr; gap:60px;
  }
  .sitemap-list{list-style:none;}
  .sitemap-list li{
    display:flex; justify-content:space-between; align-items:center;
    padding:16px 0; border-bottom:1px solid var(--line);
    font-size:0.94rem;
  }
  .sitemap-list li .p-name{font-family:var(--display); font-weight:700;}
  .sitemap-list li .p-desc{color:#9a9a92; font-size:0.8rem; margin-top:4px;}
  .sitemap-list li .p-status{
    font-family:var(--mono); font-size:0.68rem; padding:4px 9px;
    border:1px solid var(--line); white-space:nowrap; color:#9a9a92;
  }
  .sitemap-list li .p-status.req{color:var(--yellow); border-color:var(--yellow);}
  .seo-block{background:var(--near-black); border:1px solid var(--line); padding:28px;}
  .seo-block h3{font-family:var(--display); font-size:1rem; margin-bottom:16px;}
  .seo-block ul{list-style:none; display:grid; grid-template-columns:1fr 1fr; gap:10px 18px;}
  .seo-block li{font-family:var(--mono); font-size:0.78rem; color:#b8b8b0; padding-left:16px; position:relative;}
  .seo-block li::before{content:"—"; position:absolute; left:0; color:var(--yellow);}

  /* ---------- footer ---------- */
  footer{padding:56px 0 40px; border-top:1px solid var(--line);}
  .foot-row{
    display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:24px;
  }
  .foot-brand{font-family:var(--display); font-weight:800; font-size:1.1rem;}
  .foot-note{color:#7a7a72; font-size:0.8rem; margin-top:8px; max-width:38ch;}
  .foot-links{display:flex; gap:28px; font-size:0.86rem; color:#b8b8b0;}
  .foot-links a{text-decoration:none;}
  .foot-links a:hover{color:var(--yellow);}

  /* ---------- waitlist modal ---------- */
  .modal-overlay{
    position:fixed; inset:0; background:rgba(0,0,0,0.75);
    display:flex; align-items:center; justify-content:center;
    z-index:100; opacity:0; pointer-events:none;
    transition:opacity .18s ease;
    padding:20px;
  }
  .modal-overlay.open{opacity:1; pointer-events:auto;}
  .modal{
    background:var(--near-black); border:1px solid var(--line);
    width:100%; max-width:440px; position:relative;
    transform:translateY(14px); transition:transform .18s ease;
  }
  .modal-overlay.open .modal{transform:translateY(0);}
  .modal-stripe{
    height:8px;
    background: repeating-linear-gradient(-45deg, var(--yellow) 0 14px, var(--near-black) 14px 28px);
  }
  .modal-close{
    position:absolute; top:14px; right:16px;
    background:none; border:none; color:#9a9a92; font-size:1.6rem;
    cursor:pointer; line-height:1; padding:4px;
    transition:color .15s;
  }
  .modal-close:hover{color:var(--yellow);}
  .modal-body{padding:36px 32px 32px;}
  .modal-body h3{font-family:var(--display); font-weight:800; font-size:1.4rem;}
  .modal-lead{color:#b8b8b0; font-size:0.9rem; margin:12px 0 26px;}
  .modal-body form{display:flex; flex-direction:column; gap:18px;}
  .modal-body label{
    font-family:var(--mono); font-size:0.72rem; color:#9a9a92;
    text-transform:uppercase; letter-spacing:0.06em;
    display:flex; flex-direction:column; gap:8px;
  }
  .modal-body label .opt{text-transform:none; color:#6a6a62;}
  .modal-body input{
    background:var(--black); border:1px solid var(--line); color:var(--white);
    padding:12px 14px; font-family:var(--body); font-size:0.95rem;
    text-transform:none;
  }
  .modal-body input:focus{border-color:var(--yellow); outline:none;}
  .modal-submit{width:100%; margin-top:8px; cursor:pointer;}
  .form-error{
    display:none; color:#ff6b6b; font-size:0.8rem; font-family:var(--mono);
    text-align:center;
  }
  .form-error.show{display:block;}
  .modal-success{
    display:none; padding:52px 32px; text-align:center;
  }
  .modal-success.show{display:block;}
  .success-mark{
    width:56px; height:56px; border-radius:50%;
    background:var(--yellow); color:var(--black);
    display:flex; align-items:center; justify-content:center;
    font-size:1.6rem; font-weight:700; margin:0 auto 20px;
  }
  .modal-success h3{font-family:var(--display); font-weight:800; font-size:1.3rem;}
  .modal-success p{color:#b8b8b0; font-size:0.9rem; margin:12px 0 26px;}

  /* ---------- privacy policy ---------- */
  .privacy-body{
    display:grid; grid-template-columns:repeat(2,1fr); gap:1px;
    background:var(--line); border:1px solid var(--line);
  }
  .privacy-item{background:var(--black); padding:26px;}
  .privacy-item h4{
    font-family:var(--display); font-weight:700; font-size:0.98rem;
    color:var(--yellow); margin-bottom:10px;
  }
  .privacy-item p{color:#b8b8b0; font-size:0.88rem;}

  @media (max-width: 880px){
    .hero .wrap{grid-template-columns:1fr;}
    .feature-grid{grid-template-columns:1fr;}
    .steps{grid-template-columns:repeat(3,1fr);}
    .proj-grid{grid-template-columns:1fr 1fr;}
    .sitemap{grid-template-columns:1fr;}
    nav.links{display:none;}
  }
  @media (max-width: 560px){
    .privacy-body{grid-template-columns:1fr;}
    .steps{grid-template-columns:repeat(2,1fr);}
    .proj-grid{grid-template-columns:1fr;}
    .seo-block ul{grid-template-columns:1fr;}
  }
  @media (prefers-reduced-motion: reduce){
    .kicker .dot{animation:none;}
    html{scroll-behavior:auto;}
  }
  :focus-visible{outline:2px solid var(--yellow); outline-offset:2px;}