:root{--bg:#f6f7f4;--paper:#fff;--ink:#243b32;--muted:#5f6e66;--line:#e0e6df;--green:#255b46;--green-dark:#1b4636;--pale:#eaf2e9;--accent:#bfd4b0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);font-synthesis:none}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);line-height:1.55}
a{color:var(--green)}
code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9em;background:var(--pale);padding:.1em .35em;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--green);color:#fff;padding:8px 14px;border-radius:8px;z-index:10}
.skip:focus{left:12px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1120px;margin:0 auto;padding:20px 24px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--ink);text-decoration:none}
.brand-mark{width:34px;height:34px}
.topnav{display:flex;align-items:center;gap:4px}
.topnav a{font-weight:600;text-decoration:none;padding:8px 14px;border-radius:10px}
.topnav a:hover{background:var(--pale)}
.lede{font-size:clamp(17px,2.2vw,20px);color:var(--muted);margin:0 auto 32px;max-width:640px}
.cta-row{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.button{display:inline-flex;align-items:center;gap:10px;font:inherit;font-weight:650;font-size:16px;border-radius:12px;padding:13px 22px;text-decoration:none;border:1px solid transparent;cursor:pointer}
.button svg{width:20px;height:20px;flex:none}
.button.primary{background:var(--green);color:#fff}
.button.primary:hover{background:var(--green-dark)}
.button.secondary{background:var(--paper);color:var(--ink);border-color:var(--line)}
.button.secondary:hover{border-color:var(--accent)}
.button[aria-disabled=true]{background:#d9dfd8;color:#5f6e66;cursor:not-allowed}
.button:focus-visible,.topnav a:focus-visible,.brand:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Landing page (dark) */
.landing{--bg:#0b0f0d;--paper:#121815;--panel:#151d19;--ink:#e9efeb;--muted:#9aa8a0;--faint:#6b7a72;--line:#24302a;--mint:#6ee7b7;--mint-dim:#2f6f57;--pale:#18231e;--accent:#6ee7b7;
  background:radial-gradient(1100px 520px at 50% -140px,#1c4a3a 0%,#0f201a 45%,var(--bg) 75%) no-repeat,var(--bg);color:var(--ink)}
.landing a{color:var(--mint)}
.landing code{background:#1d2823;color:#d6f5e6}
.landing .brand{color:var(--ink)}
.landing .navlink{color:var(--muted);font-weight:550}
.landing .navlink:hover{color:var(--ink);background:#ffffff0d}
.landing .topnav .button{padding:8px 14px;font-size:14px;border-radius:10px}
.landing .button.primary{background:var(--ink);color:#0b0f0d;box-shadow:0 0 0 1px #ffffff1a,0 10px 40px #6ee7b726}
.landing .button.primary:hover{background:#fff}
.landing .button[aria-disabled=true]{background:#26302b;color:var(--muted);box-shadow:none}
.landing .button:focus-visible,.landing .topnav a:focus-visible,.landing .brand:focus-visible,.landing summary:focus-visible{outline:2px solid var(--mint);outline-offset:3px}
.landing main{max-width:1120px;margin:0 auto;padding:0 24px}
.landing h2{font-size:clamp(28px,4vw,42px);line-height:1.12;letter-spacing:-.025em;margin:0 0 28px}
.landing h3{font-size:18px;margin:0 0 8px;letter-spacing:-.01em}
.kicker{font-size:13px;font-weight:650;letter-spacing:.08em;text-transform:uppercase;color:var(--mint);margin:0 0 10px}
.hero{text-align:center;padding:72px 0 40px;max-width:860px;margin:0 auto}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--mint);background:#6ee7b714;border:1px solid #6ee7b733;border-radius:999px;padding:5px 14px;margin-bottom:24px}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 10px var(--mint)}
.hero h1{font-size:clamp(38px,6.6vw,72px);line-height:1.02;letter-spacing:-.04em;margin:0 0 24px;font-weight:750}
.accent{background:linear-gradient(90deg,#a7f3d0,#6ee7b7 45%,#5eead4);-webkit-background-clip:text;background-clip:text;color:transparent}
.landing .lede{color:var(--muted);max-width:680px}
.note{font-size:14px;color:var(--faint);margin:18px auto 0;max-width:560px}

/* Hero visual: two terminals and the handoff between them */
.showcase{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:0;padding:28px 0 56px}
.term{background:linear-gradient(180deg,#141c18,#101613);border:1px solid var(--line);border-radius:14px;box-shadow:0 30px 80px #00000080,inset 0 1px 0 #ffffff0d;overflow:hidden;min-width:0}
.term-bar{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line);background:#0f1512}
.dots{display:flex;gap:6px}.dots i{width:10px;height:10px;border-radius:50%;background:#2a3530}
.term-title{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--faint)}
.term-body{padding:16px 18px 18px;font:13.5px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}
.term-body p{margin:0 0 10px}.term-body p:last-child{margin-bottom:0}
.t-user{color:var(--ink)}.t-prompt{color:var(--mint);margin-right:6px}
.t-tool{color:var(--faint)}.t-tool::before{content:"● ";color:var(--mint-dim)}
.t-agent{color:#c9d6cf}
.t-agent code{background:#6ee7b71a;color:var(--mint)}
.t-limit{color:#f0b37e;font-size:12.5px}
.relay{display:flex;align-items:center;gap:8px;padding:0 10px}
.relay-line{width:28px;height:2px;background:linear-gradient(90deg,var(--mint-dim),var(--mint))}
.relay-chip{font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:#0b0f0d;background:var(--mint);border-radius:999px;padding:5px 12px;box-shadow:0 0 30px #6ee7b759}

.works{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px 18px;padding:8px 0 72px;color:var(--faint);font-size:14px}
.works p{margin:0;text-transform:uppercase;letter-spacing:.08em;font-size:12px;font-weight:650}
.works ul{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;list-style:none;margin:0;padding:0}
.works li{color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:#ffffff05}

.how,.bento,.faq{padding:24px 0 88px}
.how-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.how-list li{border-top:1px solid var(--line);padding-top:20px;min-width:0}
.how-num{display:block;font:600 13px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--mint);margin-bottom:12px}
.how-list p{color:var(--muted);margin:0 0 16px}
.snippet{margin:0;background:#0d1210;border:1px solid var(--line);border-radius:12px;padding:14px 16px;overflow-x:auto;font:13px/1.6 ui-monospace,SFMono-Regular,Consolas,monospace;color:#cfe3d8}
.snippet code{background:none;padding:0;color:inherit;font:inherit;white-space:pre}

.bento-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tile{background:linear-gradient(180deg,var(--panel),#111814);border:1px solid var(--line);border-radius:18px;padding:26px;min-width:0}
.tile p{color:var(--muted);margin:0}
.tile-wide{grid-column:span 2;background:radial-gradient(500px 220px at 0% 0%,#6ee7b714,transparent 70%),linear-gradient(180deg,var(--panel),#111814)}
.tile:hover{border-color:#33443b}

.oss{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center;border:1px solid var(--line);border-radius:22px;padding:36px;margin:0 0 88px;background:linear-gradient(135deg,#132019,#0e1411)}
.oss h2{margin-bottom:14px}
.oss p{color:var(--muted);margin:0}

.faq{max-width:780px;margin:0 auto}
.faq h2{text-align:center}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font-weight:600;font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:22px;color:var(--mint);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:0 0 18px}

.closing{text-align:center;padding:72px 24px;margin:0 0 72px;border-radius:24px;border:1px solid #6ee7b733;background:radial-gradient(600px 260px at 50% 0%,#1d5a45,#0f1d17 70%)}
.closing h2{margin-bottom:28px}
.footer{max-width:1120px;margin:0 auto;padding:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}
.landing .footer{color:var(--faint)}

@media (max-width:900px){.showcase{grid-template-columns:1fr;gap:0}.relay{padding:10px 0;flex-direction:column}.relay-line{width:2px;height:22px;background:linear-gradient(var(--mint-dim),var(--mint))}
  .how-list{grid-template-columns:1fr;gap:28px}.bento-grid{grid-template-columns:1fr 1fr}.oss{grid-template-columns:1fr}}
@media (max-width:620px){.landing main{padding:0 16px}.topbar{padding:16px}.navlink{display:none}.hero{padding-top:40px}
  .bento-grid{grid-template-columns:1fr}.tile-wide{grid-column:auto}.oss{padding:24px}.closing{padding:48px 18px}}