:root{
  --ink:#14181d; --paper:#f6f5f0; --card:#ffffff; --line:#dcdad2;
  --hiviz:#d6f321; --hiviz-deep:#9db400; --steel:#2f6f8f; --muted:#5b6167;
  --display:'Archivo',sans-serif; --body:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
a{color:var(--steel)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--hiviz-deep);outline-offset:2px}
.sprocket{width:22px;height:22px;color:var(--hiviz);vertical-align:-4px}
.site-head{background:var(--ink);position:sticky;top:0;z-index:50;border-bottom:3px solid var(--hiviz)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:#fff;font-family:var(--display);font-size:1.25rem;font-weight:700;letter-spacing:.02em}
.brand b{color:var(--hiviz);font-weight:800}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{color:#e8eaec;text-decoration:none;padding:7px 12px;border-radius:6px;font-size:.95rem;font-weight:600}
.nav a:hover{background:#232a31;color:var(--hiviz)}
.hero{background:var(--ink);color:#fff;padding:52px 0 60px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:18px;height:0;border-bottom:4px dashed rgba(214,243,33,.35)}
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(1.9rem,4.5vw,3.1rem);line-height:1.08;max-width:760px}
.hero h1 em{font-style:normal;color:var(--hiviz)}
.hero p{color:#c3c9cf;max-width:640px;margin-top:14px}
.calc{margin-top:-34px;position:relative;z-index:2}
.calc-card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 14px 40px rgba(20,24,29,.12);padding:26px}
.calc-card h2{font-family:var(--display);font-weight:700;font-size:1.15rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.calc-card h2 .sprocket{color:var(--hiviz-deep)}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
label{display:block;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:5px}
input,select{width:100%;padding:11px 12px;border:1.5px solid var(--line);border-radius:8px;font:inherit;background:#fff}
.btn{margin-top:18px;background:var(--ink);color:var(--hiviz);border:0;font-family:var(--display);font-weight:700;font-size:1rem;letter-spacing:.04em;text-transform:uppercase;padding:13px 26px;border-radius:8px;cursor:pointer}
.btn:hover{background:#000}
.readout{display:none;margin-top:20px;background:var(--ink);color:#fff;border-radius:10px;padding:20px;gap:18px}
.readout.on{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.readout .k{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:#9aa2aa}
.readout .v{font-family:var(--display);font-weight:800;font-size:1.7rem;color:var(--hiviz)}
.readout .u{font-size:.85rem;color:#c3c9cf}
main.wrap{padding:44px 20px 60px}
.section-h{font-family:var(--display);font-weight:800;font-size:1.6rem;margin:38px 0 14px;display:flex;align-items:center;gap:10px}
.section-h .sprocket{color:var(--hiviz-deep)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.a-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;text-decoration:none;color:var(--ink);display:block;transition:transform .15s,box-shadow .15s}
.a-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(20,24,29,.1)}
.a-card .tag{font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--hiviz-deep)}
.a-card h3{font-family:var(--display);font-weight:700;font-size:1.08rem;line-height:1.3;margin:6px 0 8px}
.a-card p{font-size:.92rem;color:var(--muted)}
.prose{max-width:760px}
.prose h1{font-family:var(--display);font-weight:800;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.12;margin-bottom:10px}
.prose .meta{color:var(--muted);font-size:.9rem;margin-bottom:24px;padding-bottom:16px;border-bottom:2px solid var(--line)}
.prose h2{font-family:var(--display);font-weight:700;font-size:1.35rem;margin:32px 0 10px}
.prose h3{font-family:var(--display);font-weight:700;font-size:1.1rem;margin:22px 0 8px}
.prose p{margin:0 0 16px}
.prose ul,.prose ol{margin:0 0 16px 24px}
.prose li{margin-bottom:7px}
.prose table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:.95rem}
.prose th,.prose td{border:1px solid var(--line);padding:9px 11px;text-align:left}
.prose th{background:var(--ink);color:#fff;font-family:var(--display);font-size:.82rem;text-transform:uppercase;letter-spacing:.05em}
.prose tr:nth-child(even){background:#fff}
.callout{background:#fff;border-left:5px solid var(--hiviz);padding:16px 18px;border-radius:0 10px 10px 0;margin:0 0 18px}
.ad-slot{margin:30px 0;min-height:90px;text-align:center}
.gear-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.gear-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}
.gear-card h3{font-family:var(--display);font-weight:700;margin-bottom:8px}
.gear-card p{font-size:.93rem;color:var(--muted);margin-bottom:12px}
.gear-card a.amz{display:inline-block;background:var(--ink);color:var(--hiviz);text-decoration:none;font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;padding:9px 16px;border-radius:7px}
.gear-card a.amz:hover{background:#000}
.site-foot{background:var(--ink);color:#c3c9cf;margin-top:70px;padding:44px 0 26px;border-top:3px solid var(--hiviz)}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:30px}
.foot-brand{font-family:var(--display);font-weight:700;color:#fff;font-size:1.1rem;margin-bottom:8px}
.foot-brand b{color:var(--hiviz)}
.foot-note{font-size:.85rem}
.foot-h{font-family:var(--display);font-weight:700;color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:10px}
.site-foot a{display:block;color:#c3c9cf;text-decoration:none;font-size:.92rem;margin-bottom:7px}
.site-foot a:hover{color:var(--hiviz)}
.foot-legal{margin-top:30px;padding-top:18px;border-top:1px solid #2a313a;font-size:.8rem;color:#8a9199}
.crumb{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--steel)}