:root{
  color-scheme: light;
  --bg:#f6f7f5; --surface:#ffffff; --ink:#10201f; --ink2:#435250; --muted:#6b7876;
  --line:rgba(16,32,31,.12); --accent:#0f6f78; --accent-ink:#ffffff;
  --brand:#0f2f3a; --tag:#e3f1ef; --tag-ink:#145a5f;
  --shadow:0 1px 2px rgba(16,32,31,.05),0 4px 16px rgba(16,32,31,.06);
  --r:14px;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme: dark;
    --bg:#0c1416; --surface:#132024; --ink:#ecf3f2; --ink2:#b5c4c2; --muted:#8a9a98;
    --line:rgba(236,243,242,.12); --accent:#5fd0c4; --accent-ink:#0c1416;
    --tag:#1b3236; --tag-ink:#9fe3da;
    --shadow:0 1px 2px rgba(0,0,0,.3);
  }
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
a{color:var(--accent)}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}

.site-header{background:var(--brand);color:#fff}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.logo{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:18px;letter-spacing:-.01em}
.logo svg{width:28px;height:28px}
.site-nav{display:flex;gap:18px;font-size:14.5px}
.site-nav a{color:#cfe6e3;text-decoration:none}
.site-nav a:hover{color:#fff;text-decoration:underline}

.hero{background:var(--brand);color:#fff;padding:44px 0 56px}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.12;letter-spacing:-.02em;margin:0 0 14px;max-width:16em}
.hero p{font-size:clamp(16px,2.2vw,19px);color:#cfe6e3;margin:0;max-width:38em}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;padding:0;list-style:none}
.pills li{font-size:13px;padding:5px 11px;border:1px solid rgba(255,255,255,.22);border-radius:999px;color:#e4f2f0}

section{padding:48px 0}
h2{font-size:24px;letter-spacing:-.01em;margin:0 0 18px}

.tools{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px;margin-top:-80px}
.card{
  position:relative;display:flex;flex-direction:column;gap:10px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;box-shadow:var(--shadow);transition:transform .15s,border-color .15s;
}
.card:hover{transform:translateY(-2px);border-color:var(--accent)}
.card h3{margin:0;font-size:19px}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a::after{content:"";position:absolute;inset:0;border-radius:var(--r)}
.card h3 a:focus-visible{outline:none}
.card:focus-within{outline:3px solid var(--accent);outline-offset:2px}
.card p{margin:0;color:var(--ink2);font-size:15px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none}
.tags li{font-size:12px;font-weight:600;background:var(--tag);color:var(--tag-ink);padding:3px 9px;border-radius:999px}
.card .go{margin-top:auto;padding-top:6px;font-weight:600;color:var(--accent);font-size:15px}

.cols{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media (max-width:760px){.cols{grid-template-columns:1fr;gap:0}}
.prose p,.prose li{color:var(--ink2)}
.prose ul{padding-left:20px}
.prose li{margin:6px 0}
.prose h3{font-size:17px;margin:24px 0 6px}

.site-footer{border-top:1px solid var(--line);padding:28px 0 40px;font-size:13.5px;color:var(--muted)}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
.site-footer strong{color:var(--ink2)}

.notfound{padding:80px 0;text-align:center}
.notfound h1{font-size:clamp(28px,5vw,40px);margin:0 0 10px}
.btn{display:inline-block;margin-top:18px;background:var(--accent);color:var(--accent-ink);padding:10px 18px;border-radius:10px;text-decoration:none;font-weight:600}

/* ---------- ad landing pages (/go/<slug>/, generated by scripts/build.mjs) ---------- */
.lp-hero{padding:40px 0 56px}
.lp-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:40px;align-items:center}
@media (max-width:860px){.lp-grid{grid-template-columns:1fr;gap:28px}}
.lp-points{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:10px}
.lp-points li{position:relative;padding-left:28px;color:#e4f2f0;font-size:16.5px}
.lp-points li::before{content:"";position:absolute;left:2px;top:.45em;width:14px;height:8px;border-left:2.5px solid #5fd0c4;border-bottom:2.5px solid #5fd0c4;transform:rotate(-45deg)}
.lp-cta{font-size:17px;padding:14px 22px;margin-top:26px;background:#5fd0c4;color:#0c1416}
.lp-cta:hover{background:#7fe0d0}
.lp-trust{font-size:14px!important;color:#a9c9c5!important;margin-top:12px!important}
.lp-shot{width:100%;height:auto;border-radius:12px;box-shadow:0 12px 40px rgba(0,0,0,.35);border:1px solid rgba(255,255,255,.12)}

/* ---------- article pages (guides, methodology, sources, contact; generated by scripts/build.mjs) ---------- */
.page{padding-top:28px;padding-bottom:56px;max-width:760px}
.page .prose h1{font-size:clamp(28px,4.5vw,38px);line-height:1.15;letter-spacing:-.02em;margin:6px 0 16px}
.page .prose h2{font-size:21px;margin:34px 0 10px}
.page .prose p,.page .prose li{font-size:16.5px}
.page .prose .lede{font-size:18.5px;color:var(--ink)}
.crumb{margin:0;font-size:14px}
.crumb a{text-decoration:none}
.prose table{width:100%;border-collapse:collapse;margin:14px 0 6px;font-size:15px;display:block;overflow-x:auto}
.prose th,.prose td{text-align:left;vertical-align:top;padding:9px 12px;border-bottom:1px solid var(--line)}
.prose th{font-size:13px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted);white-space:nowrap}
.prose ol{padding-left:22px}
.index-list{list-style:none;padding:0!important}
.index-list li{padding:14px 0;border-bottom:1px solid var(--line);margin:0!important}
.index-list a{font-weight:600;font-size:18px;text-decoration:none}
.muted{color:var(--muted);font-size:15px}
.cta-line{margin-top:28px}
.cta-line .btn{margin-top:0}

/* ---------- homepage "why" strip ---------- */
.why{padding:8px 0 56px}
.why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
@media (max-width:760px){.why-grid{grid-template-columns:1fr;gap:22px}}
.why-grid > div{border-top:3px solid var(--accent);padding-top:14px}
.why-grid h2{font-size:18px;margin:0 0 6px}
.why-grid p{margin:0 0 8px;color:var(--ink2);font-size:15px}
.why-grid a{font-weight:600;font-size:15px;text-decoration:none}
.site-footer a{color:var(--ink2)}

/* ---------- visuals: hero art, card images, icons ---------- */
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;align-items:center}
.hero-art{width:100%;height:auto;max-width:460px;justify-self:end;margin-bottom:24px}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-art{display:none}}
.card{overflow:hidden}
.card-shot{display:block;width:calc(100% + 44px);margin:-22px -22px 4px;height:auto;aspect-ratio:16/10;object-fit:cover;object-position:top left;border-bottom:1px solid var(--line)}
.card-head{display:flex;align-items:center;gap:10px}
.card-icon{flex:none;display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:var(--tag);color:var(--tag-ink)}
.card-icon .icon{width:20px;height:20px}
.why-icon{width:30px;height:30px;color:var(--accent);margin-bottom:8px;display:block}
.index-list li{display:flex;gap:14px;align-items:flex-start}
.li-icon{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:10px;background:var(--tag);color:var(--tag-ink);margin-top:2px}
.li-icon .icon{width:22px;height:22px}
.tool-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:0;margin:36px 0 8px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--surface);box-shadow:var(--shadow);text-decoration:none;color:var(--ink)}
.tool-card img{width:100%;height:100%;object-fit:cover;object-position:top left;display:block}
.tool-card-body{display:flex;flex-direction:column;gap:8px;padding:20px 22px}
.tool-card .kicker{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent)}
.tool-card-title{display:flex;align-items:center;gap:8px;font-weight:700;font-size:19px}
.tool-card-title .icon{width:22px;height:22px;color:var(--accent)}
.tool-card-text{color:var(--ink2);font-size:15px}
.tool-card .btn{align-self:flex-start;margin-top:6px}
.tool-card:hover{border-color:var(--accent)}
@media (max-width:640px){.tool-card{grid-template-columns:1fr}.tool-card img{aspect-ratio:16/10;height:auto}}

/* ---------- contact form ---------- */
.contact-form{display:grid;gap:16px;margin:22px 0 10px;padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.contact-form label{display:grid;gap:6px;font-weight:600;font-size:15px;color:var(--ink)}
.contact-form input,.contact-form select,.contact-form textarea{font:inherit;font-weight:400;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%;box-sizing:border-box}
.contact-form textarea{resize:vertical;min-height:140px}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
.contact-form .btn{justify-self:start;margin-top:0;border:0;cursor:pointer;font:inherit;font-weight:600}
.contact-form .hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.contact-form .muted{font-weight:400;font-size:14px}