:root{--bg:#eef6f4;--bg2:#e0eeeb;--card:#fff;--ink:#0c2a30;--muted:#53706f;--teal:#0b6e75;--teal-ink:#fff;--line:#cfe2de;--pill:#e2f3ef}
@media (prefers-color-scheme:dark){:root{--bg:#0b1d20;--bg2:#0d2326;--card:#13333a;--ink:#e3f1ef;--muted:#9bb8b9;--teal:#6ec3c9;--teal-ink:#06292d;--line:#25474d;--pill:#173d44}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);background-image:linear-gradient(180deg,var(--bg2) 0,var(--bg) 340px);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
main{max-width:760px;margin:0 auto;padding:20px 20px 56px}
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:6px 0 28px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.04em;color:var(--ink);text-decoration:none}
.brand svg{width:34px;height:34px;flex:none}
nav a{margin-left:18px;font-weight:600;font-size:.95rem;text-decoration:none;color:var(--teal)}
nav a:hover{text-decoration:underline}
header nav a{margin:0 16px 0 0}
h1{font-size:2.1rem;line-height:1.18;margin:8px 0 12px;color:var(--ink);letter-spacing:-.01em}
h2{font-size:1.2rem;margin:34px 0 10px}
h3{font-size:1.02rem;margin:20px 0 4px}
p,li{color:var(--ink)}
.lead{font-size:1.15rem;color:var(--muted);max-width:34em;margin:0 0 8px}
.muted{color:var(--muted);font-size:.95rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:20px 22px;margin:16px 0}
.app{display:flex;gap:16px;align-items:flex-start}
.app .icon{flex:none;width:56px;height:56px;border-radius:14px;background:var(--teal);display:grid;place-items:center}
.app .icon svg{width:34px;height:34px}
.app h3{margin:0 0 2px;font-size:1.15rem}
.pill{display:inline-block;background:var(--pill);color:var(--teal);border-radius:999px;padding:2px 10px;font-size:.8rem;font-weight:600;margin-left:6px;vertical-align:2px}
.btn{display:inline-block;background:var(--teal);color:var(--teal-ink);padding:10px 18px;border-radius:12px;font-weight:600;text-decoration:none;margin-top:6px}
ul{padding-left:1.2rem}
a{color:var(--teal)}
.hero{padding:6px 0 4px}
footer{margin-top:44px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}
footer a{margin-right:14px}
@media (max-width:480px){h1{font-size:1.75rem}.top{padding-bottom:20px}nav a{margin-left:12px}}