:root{
    --ink:#0B0D12;
    --panel:#14161D;
    --panel-2:#1B1E27;
    --line:#262A35;
    --text:#EDEEF3;
    --muted:#8A8FA3;
    --muted-2:#5B6172;
    --amber:#FFB000;
    --amber-dim:#B8862A;
    --green:#3DDC97;
    --red:#FF6B6B;
    --radius:14px;
    --display: 'Space Grotesk', 'IBM Plex Sans', sans-serif;
    --body: 'IBM Plex Sans', sans-serif;
    --mono: 'IBM Plex Mono', monospace;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--ink);
    color:var(--text);
    font-family:var(--body);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none;}
  img,svg{display:block;max-width:100%;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 28px;}
  ::selection{background:var(--amber);color:var(--ink);}
  :focus-visible{outline:2px solid var(--amber);outline-offset:3px;}

  /* subtle noise/grid ambience */
  body{
    background-image:
      linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
    background-size: 42px 42px;
    background-position: center top;
  }

  .eyebrow{
    font-family:var(--mono);
    font-size:13px;
    color:var(--amber);
    letter-spacing:0.02em;
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin-bottom:18px;
  }
  .eyebrow::before{content:'';width:6px;height:6px;background:var(--amber);border-radius:1px;flex-shrink:0;}

  h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-0.01em;color:var(--text);}
  p{color:var(--muted);}
  .muted-2{color:var(--muted-2);}

  /* ---------- NAV ---------- */
  header{
    position:sticky;top:0;z-index:100;
    background:rgba(11,13,18,0.85);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 0;
  }
  .brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:19px;}
  .brand svg{width:32px;height:32px;flex-shrink:0;}
  .nav-links{display:flex;align-items:center;gap:32px;}
  .nav-links a{font-size:14px;color:var(--muted);transition:color .15s;}
  .nav-links a:hover{color:var(--text);}
  .nav-cta{
    font-family:var(--mono);font-size:13px;
    background:var(--amber);color:var(--ink);
    padding:9px 16px;border-radius:8px;font-weight:500;
    transition:transform .15s, box-shadow .15s;
    white-space:nowrap;
  }
  .nav-cta:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(255,176,0,0.25);}
  .nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);width:38px;height:38px;border-radius:8px;font-size:18px;cursor:pointer;}

  /* ---------- HERO ---------- */
  .hero{padding:88px 0 40px;}
  .hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:56px;align-items:center;}
  .hero h1{font-size:clamp(34px,4.6vw,58px);line-height:1.08;margin-bottom:22px;}
  .hero h1 em{font-style:normal;color:var(--amber);}
  .hero p.lede{font-size:17px;color:var(--muted);max-width:480px;margin-bottom:32px;}

  .waitlist-form{display:flex;gap:10px;max-width:440px;margin-bottom:14px;}
  .waitlist-form input[type=email]{
    flex:1;background:var(--panel);border:1px solid var(--line);color:var(--text);
    padding:13px 16px;border-radius:9px;font-family:var(--body);font-size:14.5px;
  }
  .waitlist-form input[type=email]::placeholder{color:var(--muted-2);}
  .waitlist-form input[type=email]:focus{border-color:var(--amber);}
  .btn-primary{
    background:var(--amber);color:var(--ink);border:none;
    padding:13px 22px;border-radius:9px;font-family:var(--body);font-weight:600;font-size:14.5px;
    cursor:pointer;white-space:nowrap;transition:transform .15s, box-shadow .15s;
  }
  .btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(255,176,0,0.28);}
  .form-note{font-family:var(--mono);font-size:12.5px;color:var(--muted-2);}
  .form-success{font-family:var(--mono);font-size:13.5px;color:var(--green);display:none;}

  /* merge diagram */
  .merge-diagram{width:100%;height:auto;}
  .merge-diagram .branch-label{font-family:var(--mono);font-size:11px;fill:var(--muted);}
  .merge-diagram .trunk-label{font-family:var(--mono);font-size:13px;fill:var(--ink);font-weight:600;}
  .merge-diagram .branch-path{
    fill:none;stroke-width:3;stroke-linecap:round;
    stroke-dasharray:400;stroke-dashoffset:400;
    animation:draw 1.4s ease forwards;
  }
  .merge-diagram .trunk-path{
    fill:none;stroke:var(--amber);stroke-width:6;stroke-linecap:round;
    stroke-dasharray:300;stroke-dashoffset:300;
    animation:draw 1s ease forwards;
    animation-delay:0.9s;
  }
  .merge-diagram .trunk-tag{
    opacity:0;animation:fadeUp .6s ease forwards;animation-delay:1.7s;
  }
  @keyframes draw{to{stroke-dashoffset:0;}}
  @keyframes fadeUp{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
  @media (prefers-reduced-motion: reduce){
    .merge-diagram .branch-path,.merge-diagram .trunk-path{animation:none;stroke-dashoffset:0;}
    .merge-diagram .trunk-tag{animation:none;opacity:1;}
  }

  /* ---------- SECTION shell ---------- */
  section{padding:96px 0;border-top:1px solid var(--line);}
  .section-head{max-width:640px;margin-bottom:48px;}
  .section-head h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:14px;}
  .section-head p{font-size:15.5px;}

  /* ---------- DIFF BLOCK ---------- */
  .diff-block{
    background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;font-family:var(--mono);font-size:14px;
  }
  .diff-titlebar{
    display:flex;align-items:center;gap:8px;padding:12px 18px;
    border-bottom:1px solid var(--line);background:var(--panel-2);color:var(--muted-2);font-size:12.5px;
  }
  .diff-titlebar span{width:9px;height:9px;border-radius:50%;background:var(--line);}
  .diff-line{padding:10px 20px;display:flex;gap:14px;border-left:3px solid transparent;}
  .diff-line.minus{color:#D98A8A;border-left-color:rgba(255,107,107,0.35);}
  .diff-line.minus .sym{color:var(--red);}
  .diff-line.plus{color:#8FDCB6;border-left-color:rgba(61,220,151,0.4);background:rgba(61,220,151,0.04);}
  .diff-line.plus .sym{color:var(--green);}
  .diff-line .sym{width:14px;flex-shrink:0;}
  .diff-divider{height:1px;background:var(--line);margin:0 20px;}

  /* ---------- FEATURES ---------- */
  .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
  .feature-card{background:var(--panel);padding:28px 26px;transition:background .15s;}
  .feature-card:hover{background:var(--panel-2);}
  .feature-card .fname{font-family:var(--mono);font-size:13px;color:var(--amber);margin-bottom:12px;display:block;}
  .feature-card h3{font-size:17px;margin-bottom:8px;font-family:var(--body);font-weight:600;}
  .feature-card p{font-size:14px;}

  /* ---------- WHO ---------- */
  .chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
  .chip{
    font-family:var(--mono);font-size:13px;color:var(--text);
    border:1px solid var(--line);background:var(--panel);
    padding:9px 14px;border-radius:100px;
  }
  .chip.later{color:var(--muted-2);border-style:dashed;}

  /* ---------- ROADMAP ---------- */
  .roadmap{border-left:1px solid var(--line);margin-left:6px;}
  .rm-item{position:relative;padding:0 0 40px 32px;}
  .rm-item:last-child{padding-bottom:0;}
  .rm-item::before{
    content:'';position:absolute;left:-6.5px;top:4px;width:12px;height:12px;
    border-radius:50%;background:var(--ink);border:2px solid var(--amber);
  }
  .rm-item.done::before{background:var(--amber);}
  .rm-tag{font-family:var(--mono);font-size:12px;color:var(--amber);margin-bottom:6px;display:block;}
  .rm-item h3{font-size:17px;margin-bottom:6px;font-family:var(--body);font-weight:600;}
  .rm-item p{font-size:14px;max-width:520px;}

  /* ---------- NOT ---------- */
  .not-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:28px;}
  .not-item{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text);}
  .not-item .x{font-family:var(--mono);color:var(--red);flex-shrink:0;}
  .not-conclusion{
    font-family:var(--mono);font-size:14.5px;color:var(--amber);
    border-left:2px solid var(--amber);padding-left:16px;
  }

  /* ---------- CTA ---------- */
  .cta{
    background:var(--panel);border:1px solid var(--line);border-radius:20px;
    padding:64px 48px;text-align:center;
  }
  .cta h2{font-size:clamp(26px,3.6vw,38px);margin-bottom:16px;}
  .cta p{max-width:480px;margin:0 auto 32px;}
  .cta .waitlist-form{margin:0 auto 12px;}
  .cta .form-note{display:block;}

  /* ---------- FOOTER ---------- */
  footer{border-top:1px solid var(--line);padding:40px 0;}
  .foot-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;}
  .foot-brand{display:flex;align-items:center;gap:10px;}
  .foot-brand svg{width:26px;height:26px;}
  .foot-brand span{font-family:var(--mono);font-size:13px;color:var(--muted);}
  .foot-links{display:flex;gap:24px;}
  .foot-links a{font-size:13.5px;color:var(--muted);transition:color .15s;}
  .foot-links a:hover{color:var(--amber);}
  .foot-motto{font-family:var(--mono);font-size:12px;color:var(--muted-2);margin-top:24px;text-align:center;}

  /* reveal on scroll */
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}
  @media (prefers-reduced-motion: reduce){.reveal{opacity:1;transform:none;transition:none;}}

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:900px){
    .hero-grid{grid-template-columns:1fr;gap:44px;}
    .feature-grid{grid-template-columns:repeat(2,1fr);}
    .not-list{grid-template-columns:1fr;}
  }
  @media (max-width:640px){
    .nav-links{position:fixed;top:65px;left:0;right:0;background:var(--ink);border-bottom:1px solid var(--line);
      flex-direction:column;align-items:flex-start;padding:20px 28px;gap:18px;display:none;}
    .nav-links.open{display:flex;}
    .nav-toggle{display:block;}
    .nav-cta{display:none;}
    .nav-links.open .nav-cta{display:inline-block;margin-top:6px;}
    .hero{padding:48px 0 24px;}
    .waitlist-form{flex-direction:column;}
    .feature-grid{grid-template-columns:1fr;}
    section{padding:64px 0;}
    .cta{padding:44px 24px;}
    .foot-row{flex-direction:column;align-items:flex-start;}
  }

/* ---------- LEGAL PAGES ---------- */
.legal-page{padding:64px 0 100px;}
.legal-page .back-link{font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:28px;display:inline-block;}
.legal-page .back-link:hover{color:var(--amber);}
.legal-page h1{font-size:clamp(28px,4vw,40px);margin-bottom:10px;}
.legal-meta{font-family:var(--mono);font-size:13px;color:var(--muted-2);margin-bottom:8px;}
.legal-notice{
  background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--amber);
  border-radius:10px;padding:16px 20px;margin:28px 0 40px;font-size:14px;color:var(--muted);
}
.legal-body{max-width:720px;}
.legal-body h2{font-size:19px;margin:36px 0 12px;font-family:var(--body);font-weight:600;}
.legal-body h2:first-child{margin-top:0;}
.legal-body p{font-size:15px;color:var(--muted);margin-bottom:14px;}
.legal-body ul{margin:0 0 14px 20px;color:var(--muted);font-size:15px;}
.legal-body li{margin-bottom:8px;}
.legal-body strong{color:var(--text);}
.legal-body a{color:var(--amber);}
.legal-body a:hover{text-decoration:underline;}