/* Guides — the article pages under /guides/. Shares the site's palette; everything else is its own,
   because an article wants one narrow column of text and nothing competing with it. */
:root{
  --green:#1f5f4f; --green-deep:#17493c; --green-tint:#e6f0ec; --green-line:#cfe0d8;
  --ink:#171d1b; --body:#3d4844; --muted:#66706c;
  --paper:#f7f6f2; --line:#e3e6e2; --radius:12px;
  --shadow:0 1px 2px rgba(23,29,27,.06), 0 8px 24px -12px rgba(23,29,27,.18);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--body);
  font:400 17px/1.7 -apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ---------- top bar ---------- */
.top{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}
.top .in{max-width:1120px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.05rem}
.brand b{color:var(--green)}
.brand-mark{width:30px;height:30px;border-radius:8px;background:var(--green);display:grid;place-items:center}
.brand-mark svg{width:17px;height:17px}
.top nav{display:flex;align-items:center;gap:22px}
.top nav a{color:var(--body);text-decoration:none;font-weight:600;font-size:.94rem}
.top nav a:hover{color:var(--green)}
/* the bar's link colour outranks .btn-primary on specificity, which left white button text dark */
.top nav a.btn-primary{color:#fff}
.top nav a.btn-ghost{color:var(--green)}
.btn{display:inline-block;border:0;border-radius:10px;padding:11px 18px;font:inherit;font-weight:700;font-size:.95rem;
  text-decoration:none;cursor:pointer;transition:background .15s,color .15s}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-deep)}
.btn-ghost{background:#fff;color:var(--green);border:1.5px solid var(--green-line)}
.btn-ghost:hover{background:var(--green-tint)}
.btn-sm{padding:8px 14px;font-size:.9rem}
@media(max-width:700px){.top nav a.hide-sm{display:none}}
/* the bar is one row at every width: no wrapped brand, no two-line button */
.brand span,.top nav a{white-space:nowrap}
@media(max-width:420px){
  .top .in{padding:10px 16px;gap:10px}
  .brand{font-size:.98rem} .brand-mark{width:26px;height:26px}
  .top nav{gap:14px} .btn-sm{padding:7px 12px;font-size:.86rem}
}

/* ---------- article ---------- */
.crumbs{font-size:.86rem;color:var(--muted);padding:22px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--green);text-decoration:underline}
article{max-width:720px;margin:0 auto;padding:6px 0 60px}
article h1{font-size:2.15rem;line-height:1.18;color:var(--ink);margin:14px 0 6px;letter-spacing:-.02em}
@media(max-width:600px){article h1{font-size:1.72rem}}
.standfirst{font-size:1.12rem;color:var(--muted);margin:0 0 26px}
article h2{font-size:1.35rem;line-height:1.3;color:var(--ink);margin:38px 0 10px;letter-spacing:-.01em}
article p{margin:0 0 16px}
article ul,article ol{margin:0 0 18px;padding-left:22px}
article li{margin:7px 0}
article a{color:var(--green);font-weight:600}
article strong{color:var(--ink)}
.updated{font-size:.84rem;color:var(--muted);border-top:1px solid var(--line);margin-top:40px;padding-top:16px}

/* a quiet in-article pointer to the product; never a banner */
.aside{background:var(--paper);border:1px solid var(--line);border-left:3px solid var(--green);
  border-radius:0 var(--radius) var(--radius) 0;padding:18px 20px;margin:26px 0}
.aside p{margin:0;font-size:.97rem}
.aside p+p{margin-top:8px}

/* ---------- FAQ ---------- */
.faq{margin-top:40px}
.faq h2{margin-bottom:14px}
details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0 20px;margin-bottom:10px}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:16px 0;font-weight:700;color:var(--ink);font-size:1rem}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';font-size:1.35rem;color:var(--green);font-weight:400;line-height:1;transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 18px;margin:0}

/* ---------- next reads ---------- */
.more{background:var(--paper);border-top:1px solid var(--line);padding:44px 0 52px;margin-top:10px}
.more h2{font-size:1.2rem;color:var(--ink);margin:0 0 16px;max-width:720px;margin-inline:auto}
.more-grid{max-width:720px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:600px){.more-grid{grid-template-columns:1fr}}
.more-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;text-decoration:none;display:block}
.more-card:hover{border-color:var(--green-line)}
.more-card .t{display:block;font-weight:700;color:var(--ink);font-size:.98rem;line-height:1.35}
.more-card .d{display:block;font-size:.88rem;color:var(--muted);margin-top:4px;line-height:1.5}

/* ---------- index page ---------- */
.g-hero{padding:46px 0 10px;max-width:720px;margin:0 auto}
.g-hero h1{font-size:2.3rem;line-height:1.15;color:var(--ink);margin:0 0 10px;letter-spacing:-.02em}
.g-hero p{font-size:1.12rem;color:var(--muted);margin:0}
.g-list{max-width:720px;margin:26px auto 60px;display:grid;gap:12px}
.g-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;text-decoration:none;display:block;box-shadow:var(--shadow)}
.g-item:hover{border-color:var(--green-line)}
.g-item .t{display:block;font-weight:800;color:var(--ink);font-size:1.08rem;line-height:1.3}
.g-item .d{display:block;color:var(--muted);font-size:.95rem;margin-top:6px;line-height:1.55}

/* ---------- footer ---------- */
.foot{background:var(--green-deep);color:rgba(255,255,255,.78);padding:34px 0;font-size:.92rem}
.foot .in{max-width:1120px;margin:0 auto;padding:0 24px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot a{color:rgba(255,255,255,.85);text-decoration:none;font-weight:600}
.foot a:hover{color:#fff}
.foot ul{list-style:none;display:flex;gap:22px;margin:0;padding:0;flex-wrap:wrap}