/* AgentSilo site — design system (direction A: "Terminal") */
:root{
  --bg:#0a0a0b;
  --panel:#101012;
  --panel-2:#141417;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#e2e4e7;
  --muted:#9c9da1;
  --dim:#5a5b60;
  --accent:#55cdff;
  --accent-dim:rgba(85,205,255,.14);
  --green:#89d196;
  --amber:#ffc47c;
  --red:#ff7a6e;
  --font-sans:"Inter",system-ui,-apple-system,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:var(--accent)}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--font-mono)}

/* ---------- nav ---------- */
nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:24px 0;border-bottom:1px solid var(--line);
}
nav .wrap{width:100%}
.navrow{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:17px;letter-spacing:-.01em;color:var(--text);text-decoration:none}
.brand svg{width:22px;height:22px}
.navlinks{display:flex;gap:28px;font-size:14px;color:var(--muted)}
.navlinks a{color:inherit;text-decoration:none}
.navlinks a:hover{color:var(--text)}
.navlinks a.active{color:var(--text)}
.navlinks a.active::after{content:"";display:block;height:1px;background:var(--accent);margin-top:2px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:8px;font-size:14px;font-weight:600;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:border-color .15s,background .15s,filter .15s;
}
.btn-primary{background:var(--text);color:var(--bg)}
.btn-primary:hover{background:#fff}
.btn-ghost{border-color:var(--line);color:var(--text);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--line-strong)}
.btn-lg{padding:12px 20px;font-size:15px}

/* ---------- hero ---------- */
.hero-section{
  background-image:
    radial-gradient(900px 480px at 75% -10%, rgba(85,205,255,.07), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:auto, 64px 64px, 64px 64px;
  border-bottom:1px solid var(--line);
}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:72px 0 80px}
.hero > *{min-width:0}
.eyebrow{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.08em;
  color:var(--accent);text-transform:uppercase;display:flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
h1{font-size:56px;line-height:1.03;letter-spacing:-.03em;font-weight:700;margin:20px 0 22px}
h1 em{font-style:normal;color:var(--accent)}
.sub{font-size:17px;line-height:1.65;color:var(--muted);max-width:46ch;margin-bottom:32px}
.cta{display:flex;gap:12px;margin-bottom:36px;flex-wrap:wrap}
.reqs{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  font-family:var(--font-mono);font-size:12px;color:var(--muted);
  border:1px solid var(--line);border-radius:6px;padding:5px 10px;background:rgba(255,255,255,.02);
}

/* ---------- terminal ---------- */
.term{
  background:var(--panel);
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px;
  box-shadow:0 0 0 1px rgba(0,0,0,.4), 0 24px 60px -20px rgba(85,205,255,.18), 0 12px 40px -12px rgba(0,0,0,.8);
  overflow:hidden;
  font-family:var(--font-mono);font-size:13.5px;line-height:1.75;
}
.term-bar{display:flex;align-items:center;gap:7px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.dot{width:11px;height:11px;border-radius:50%;background:#2e2e32}
.dot.r{background:#ff5f57}.dot.y{background:#febc2e}.dot.g{background:#28c840}
.term-title{margin-left:auto;font-size:11.5px;color:var(--muted)}
.term-body{padding:20px 22px 24px;white-space:pre;color:var(--muted);overflow-x:auto;max-width:100%}
.t-b{color:var(--text)}
.t-a{color:var(--accent)}
.t-g{color:var(--green)}
.t-amber{color:var(--amber)}
.t-red{color:var(--red)}
.t-dim{color:var(--dim)}
.cursor{display:inline-block;width:8px;height:15px;background:var(--accent);vertical-align:-2px;animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- sections ---------- */
section{padding:72px 0}
section + section{border-top:1px solid var(--line)}
.section-head{margin-bottom:44px}
.section-head .eyebrow{margin-bottom:14px}
h2{font-size:34px;line-height:1.12;letter-spacing:-.025em;font-weight:700}
.section-head p{color:var(--muted);max-width:60ch;margin-top:12px}

/* cards */
.strip{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{border:1px solid var(--line);border-radius:10px;padding:22px;background:rgba(255,255,255,.015)}
.card h3{font-size:15px;font-weight:600;margin-bottom:8px}
.card p{font-size:13.5px;line-height:1.6;color:var(--muted)}
.card .kicker{font-family:var(--font-mono);font-size:12px;color:var(--accent);display:block;margin-bottom:10px}

/* architecture diagram */
.arch{
  display:grid;
  grid-template-columns:1fr auto 1.5fr auto 1fr;
  gap:14px;align-items:stretch;max-width:1080px;
}
.arch-col{display:flex;flex-direction:column;gap:10px;min-width:0}
.arch-label{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--dim);text-align:center;
}
.arch-box{
  border:1px solid var(--line-strong);border-radius:9px;background:var(--panel-2);
  padding:12px 14px;flex:1;display:flex;flex-direction:column;justify-content:center;gap:2px;
}
.arch-box b{font-size:13.5px;font-weight:600;color:var(--text)}
.arch-box span{font-family:var(--font-mono);font-size:11px;color:var(--muted);line-height:1.5}
.arch-box.hl{border-color:rgba(85,205,255,.5);box-shadow:0 0 24px -8px rgba(85,205,255,.4)}
.arch-box.ok{border-color:rgba(137,209,150,.45)}
.arch-box.ok b{color:var(--green)}
.arch-silos{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;flex:1;
  border:1px dashed var(--line-strong);border-radius:10px;padding:10px;
}
.arch-silos .arch-box{padding:10px 8px;text-align:center;align-items:center}
.arch-silos .arch-box b{font-family:var(--font-mono);font-size:12.5px}
.arch-silos .arch-box span{font-size:10px}
.arch-arrow{
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:22px;color:var(--accent);flex:none;
}
@media(max-width:920px){
  .arch{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .arch-arrow{transform:rotate(90deg);padding:2px 0}
}

/* two-column prose */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.prose{color:var(--muted);font-size:15px;line-height:1.75}
.prose p + p{margin-top:14px}
.prose strong{color:var(--text);font-weight:600}
.prose code{
  font-family:var(--font-mono);font-size:13px;color:var(--text);
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:5px;padding:1px 6px;
}
.prose ul{margin:12px 0 12px 20px}
.prose li{margin-bottom:8px}
.prose li::marker{color:var(--accent)}
h2.prose-h, .cols h2{color:var(--text);font-size:24px;letter-spacing:-.02em;font-weight:600;margin-bottom:16px}

/* code block */
pre.code{
  font-family:var(--font-mono);font-size:13.5px;line-height:1.7;
  background:var(--panel);border:1px solid rgba(255,255,255,.1);border-radius:10px;
  padding:18px 20px;overflow-x:auto;color:var(--muted);
}
pre.code .c{color:var(--text)}
pre.code .a{color:var(--accent)}
pre.code .g{color:var(--green)}

/* download page */
.dl-latest{
  border:1px solid rgba(85,205,255,.35);border-radius:14px;
  background:linear-gradient(180deg,rgba(85,205,255,.06),rgba(255,255,255,.015));
  padding:32px;margin-bottom:56px;
}
.dl-latest-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.dl-latest-head h2{font-size:28px}
.dl-tag{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent);border:1px solid rgba(85,205,255,.4);border-radius:99px;padding:3px 12px;
}
.dl-date{font-family:var(--font-mono);font-size:12.5px;color:var(--dim)}
.dl-notes{color:var(--muted);font-size:14.5px;max-width:75ch;margin-bottom:24px}
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.dl-asset{
  display:flex;align-items:center;gap:14px;
  border:1px solid var(--line);border-radius:10px;background:var(--panel);
  padding:16px 18px;
}
.dl-asset .icon{
  width:38px;height:38px;flex:none;border-radius:8px;border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);
  font-size:10px;font-weight:700;color:var(--accent);background:rgba(85,205,255,.08);
}
.dl-asset .meta{flex:1;min-width:0}
.dl-asset .name{
  font-family:var(--font-mono);font-size:13px;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.dl-asset .kind{font-size:12px;color:var(--muted);margin-top:2px}
.dl-asset a{
  flex:none;font-size:13px;font-weight:600;text-decoration:none;color:var(--text);
  border:1px solid var(--line-strong);border-radius:7px;padding:7px 14px;background:rgba(255,255,255,.03);
}
.dl-asset a:hover{border-color:var(--accent);color:var(--accent)}
.dl-asset.pending a{opacity:.45;pointer-events:none}
.dl-sha{font-family:var(--font-mono);font-size:11px;color:var(--dim);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

table.releases{width:100%;border-collapse:collapse;font-size:14px}
table.releases th{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--dim);text-align:left;padding:10px 14px;border-bottom:1px solid var(--line-strong);
}
table.releases td{padding:14px;border-bottom:1px solid var(--line);color:var(--muted)}
table.releases td.v{font-family:var(--font-mono);color:var(--text);font-size:13px}
table.releases td a{font-size:13px}

/* callout */
.callout{
  border:1px solid rgba(255,196,124,.35);border-left:3px solid var(--amber);
  border-radius:8px;padding:16px 18px;background:rgba(255,196,124,.05);
  color:var(--muted);font-size:14px;margin:24px 0;
}
.callout b{color:var(--amber)}
.callout.danger{border-color:rgba(255,122,110,.35);border-left-color:var(--red);background:rgba(255,122,110,.05)}
.callout.danger b{color:var(--red)}
.callout code{font-family:var(--font-mono);font-size:12.5px;color:var(--text)}

/* footer */
footer{border-top:1px solid var(--line);padding:28px 0;margin-top:0}
.foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--dim);font-family:var(--font-mono);
}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--text)}

/* page hero (non-home pages) */
.page-hero{
  background-image:
    radial-gradient(700px 340px at 20% -20%, rgba(85,205,255,.06), transparent 60%),
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:auto, 64px 64px, 64px 64px;
  border-bottom:1px solid var(--line);
}
.page-hero .inner{padding:64px 0}
.page-hero h1{font-size:44px;margin-bottom:16px}

/* responsive */
@media(max-width:920px){
  h1{font-size:42px}
  .hero{grid-template-columns:1fr;padding:44px 0}
  .strip,.cols,.dl-grid{grid-template-columns:1fr}
  .navrow{flex-wrap:wrap;gap:12px;justify-content:flex-start}
  .navlinks{order:3;width:100%;gap:20px}
  .page-hero h1{font-size:34px}
}