/* Peerlight home page. Layout: one calm column, tagline, tool boxes grid, three principles. */
:root{
  --bg:#f3f5f9; --surface:#ffffff; --ink:#141b2b; --muted:#5a6478; --line:#dde2ea;
  --accent:#2a4bd6; --accent-soft:#e7ecfc; --mark:#df8419;
  --good:#1d8656; --good-soft:#e3f3ea; --warn:#b5740b; --warn-soft:#fbf0dc;
  --f-display:"Newsreader", Georgia, "Times New Roman", serif;
  --f-body:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0e1320; --surface:#161d2d; --ink:#e7eaf2; --muted:#9ba4b7; --line:#28324a;
    --accent:#86a0ff; --accent-soft:#1f2946; --mark:#f2a541;
    --good:#43b981; --good-soft:#15302a; --warn:#e3a443; --warn-soft:#33281a;
    color-scheme:dark;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.55}
a{color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3{text-wrap:balance;margin:0}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

.top{background:var(--surface);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--f-display);font-size:23px;font-weight:600}
.top nav{display:flex;gap:4px}
.top nav a{padding:7px 12px;border-radius:7px;text-decoration:none;color:var(--muted);font-weight:500;font-size:15px}
.top nav a:hover{background:var(--accent-soft);color:var(--accent)}

.hero{padding:56px 0 18px}
.hero h1{font-family:var(--f-display);font-weight:600;font-size:clamp(32px,5vw,48px);line-height:1.1;max-width:18ch}
.hero p{color:var(--muted);font-size:18px;max-width:60ch;margin:16px 0 0}

.section{padding:34px 20px 8px}
.section h2{font-family:var(--f-display);font-weight:600;font-size:26px;margin-bottom:16px}

.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.tool{display:flex;flex-direction:column;gap:10px;padding:20px;background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--ink);text-decoration:none;min-height:190px}
a.tool{transition:border-color .15s, transform .15s}
a.tool:hover{border-color:var(--accent)}
.tool-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.tool h3{font-size:19px;font-weight:600;line-height:1.3}
.tool-desc{margin:0;color:var(--muted);font-size:15px;flex:1}
.tool-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:10px}
.src{font-size:12.5px;color:var(--muted)}
.go{font-weight:600;font-size:14px;color:var(--accent);white-space:nowrap}
.go.muted{color:var(--muted);font-weight:500}
.tool-soon{background:transparent;border-style:dashed}
.badge{font-size:12px;font-weight:600;padding:3px 10px;border-radius:99px;white-space:nowrap}
.badge-live{background:var(--good-soft);color:var(--good)}
.badge-beta{background:var(--accent-soft);color:var(--accent)}
.badge-soon{background:var(--warn-soft);color:var(--warn)}
.empty{color:var(--muted)}

.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.principles div{display:flex;gap:12px;align-items:flex-start;padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:12px}
.principles p{margin:0;font-size:15px}
.n{flex:none;width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-weight:600;font-size:14px}

footer{margin-top:48px;border-top:1px solid var(--line);padding:22px 0 34px;color:var(--muted);font-size:13.5px}
.foot-in{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.notfound{padding-top:80px}
.notfound h1{font-family:var(--f-display);font-size:34px;margin-bottom:10px}

@media (max-width:760px){
  .principles{grid-template-columns:1fr}
  .hero{padding-top:36px}
}
@media (max-width:420px){
  .wrap{padding:0 16px}
  .section{padding-left:16px;padding-right:16px}
  .tools{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  a.tool{transition:none}
}