:root{--bg:#0f171c;--bg2:#16222b;--ink:#e8eef4;--soft:#a9b8c2;--faint:#7f92a0;--teal:#8fbfc2;--gold:#c9a227;--gold-hi:#e9d69a;--line:rgba(184,198,214,.16)}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;padding:0 20px 80px}
a{color:var(--teal)}
.top{display:flex;align-items:center;justify-content:space-between;gap:20px;max-width:760px;margin:0 auto;padding:22px 0;border-bottom:1px solid var(--line)}
.brand{font-weight:700;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
main{max-width:760px;margin:0 auto;padding-top:52px}
.kicker{font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;color:var(--teal);margin-bottom:14px}
h1{font-size:clamp(1.9rem,5vw,2.9rem);line-height:1.15;letter-spacing:-.02em;margin-bottom:20px}
h2{font-size:clamp(1.2rem,3vw,1.55rem);line-height:1.25;margin:44px 0 12px}
h3{font-size:1.05rem;margin:26px 0 8px}
p{color:var(--soft);margin-bottom:14px}
.lead{font-size:1.14rem;color:var(--ink);margin-bottom:8px}
ul{list-style:none;margin:14px 0}
li{position:relative;padding-left:24px;color:var(--soft);margin-bottom:9px}
li:before{content:'';position:absolute;left:3px;top:.65em;width:7px;height:7px;border-radius:50%;background:var(--gold)}
.takeaway{margin:44px 0 0;padding:22px 24px;border:1px solid rgba(201,162,39,.3);border-radius:18px;background:rgba(201,162,39,.08);color:var(--ink);font-size:1.06rem}
.cta{margin-top:36px}
.cta a{display:inline-block;padding:14px 26px;border-radius:999px;background:linear-gradient(150deg,var(--gold-hi),var(--gold));color:#0f171c;font-weight:600;text-decoration:none}
.qa{border-top:1px solid var(--line);padding-top:20px;margin-top:20px}
footer{max-width:760px;margin:70px auto 0;padding-top:26px;border-top:1px solid var(--line)}
footer p{font-size:.9rem}
.langs{color:var(--faint)}
.author{color:var(--faint);font-size:.84rem;margin-top:18px}
.author a{color:var(--teal);font-weight:600;text-decoration:none}
.disclaimer{color:var(--faint);font-size:.84rem;margin-top:14px}
.related{margin-top:56px;padding-top:24px;border-top:1px solid var(--line)}
.cards{list-style:none;margin-top:26px;display:grid;gap:12px}
.cards li{padding:0}
.cards li:before{display:none}
.cards a{display:block;padding:20px 22px;border:1px solid var(--line);border-radius:18px;text-decoration:none;background:rgba(255,255,255,.03)}
.cards strong{display:block;color:var(--ink);font-size:1.05rem;margin-bottom:4px}
.cards span{color:var(--faint);font-size:.92rem}
.more{margin-top:26px;padding-top:20px;border-top:1px solid var(--line)}
.more>p:not(.kicker){color:var(--faint);font-size:.9rem;margin-bottom:12px}
.more-list{list-style:none}
.more-list li{color:var(--faint);font-size:.9rem;margin-bottom:8px;padding-left:0}
.more-list li:before{display:none}
.more-list a{color:var(--teal);font-weight:600;text-decoration:none}
.qa-item{margin-bottom:22px}
.qa-item h3{margin-top:0}
.subscribe-card{max-width:460px;margin:34px auto;padding:26px 24px;border:1px solid var(--line);border-radius:18px;background:var(--bg2);text-align:center}
.subscribe-title{font-weight:700;font-size:1.1rem;margin-bottom:6px;color:var(--ink)}
.subscribe-sub{font-size:.88rem;color:var(--soft);margin-bottom:16px}
.subscribe-row{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.subscribe-row input{flex:1 1 200px;min-width:0;padding:11px 15px;border-radius:999px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font:inherit;font-size:.9rem}
.subscribe-row button{padding:11px 22px;border-radius:999px;border:none;background:linear-gradient(150deg,var(--gold-hi),var(--gold));color:var(--bg);font-weight:600;font-size:.9rem;cursor:pointer}
.subscribe-row button:disabled{opacity:.6;cursor:default}
.subscribe-error{margin-top:10px;font-size:.82rem;color:var(--gold-hi)}
.subscribe-thanks{padding:6px 0;font-size:1rem}
.subscribe-check{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:linear-gradient(150deg,var(--gold-hi),var(--gold));color:var(--bg);font-weight:700;margin-bottom:8px}