:root{
  --ink:#162018;
  --ink2:#25342a;
  --forest:#2f5f3b;
  --leaf:#76aa42;
  --lime:#a8cf63;
  --amber:#e5a33b;
  --rust:#aa5230;
  --paper:#f4f0e5;
  --panel:#fffdf7;
  --line:#d7d1bf;
  --muted:#526258;
  --blue:#276b77;
  --red:#9a352c;
  --shadow:0 18px 54px rgba(18,30,21,.13);
  --radius:19px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.67 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--forest);text-underline-offset:3px}
a:hover{color:var(--rust)}
img{max-width:100%;height:auto}
.site-header{position:sticky;top:0;z-index:30;background:var(--ink);border-bottom:4px solid var(--leaf);color:#fff}
.nav-wrap{max-width:var(--max);margin:auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{color:#fff;text-decoration:none;font-size:1.35rem;font-weight:900;letter-spacing:-.035em}
.brand span{color:var(--lime)}
nav{display:flex;gap:17px;flex-wrap:wrap}
nav a{color:#e8eee8;text-decoration:none;font-size:.91rem;font-weight:800}
nav a:hover{color:var(--lime)}
.nav-toggle{display:none;background:transparent;border:1px solid #667469;color:#fff;padding:8px 12px;border-radius:9px}
.hero{padding:86px 20px 78px;color:#fff;background:
linear-gradient(90deg,rgba(10,20,12,.97),rgba(10,20,12,.70)),
url('/assets/img/chainsaw.svg') center/cover}
.hero-inner{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.kicker{color:var(--lime);font-weight:900;text-transform:uppercase;letter-spacing:.145em;font-size:.78rem}
h1,h2,h3{line-height:1.12;letter-spacing:-.034em}
h1{font-size:clamp(2.8rem,6vw,5.65rem);margin:.2em 0}
h2{font-size:clamp(2rem,4vw,3.25rem);margin:.1em 0 .45em}
h3{font-size:1.35rem;margin:.15em 0 .5em}
.hero p{font-size:1.2rem;color:#dce7dd;max-width:760px}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(9px);padding:25px;border-radius:var(--radius)}
.hero-card strong{display:block;color:var(--lime);font-size:1.12rem}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}
.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:12px 17px;border-radius:11px;border:2px solid transparent;font-weight:900;text-decoration:none}
.btn-primary{background:var(--leaf);color:#10190f}
.btn-primary:hover{background:var(--lime);color:#10190f}
.btn-dark{background:var(--ink);color:#fff}
.btn-outline{border-color:#7d8d80;color:#fff}
.btn-soft{background:#e7eee5;color:var(--ink)}
.section{padding:70px 20px}
.section-tight{padding:38px 20px}
.container{max-width:var(--max);margin:auto}
.intro{max-width:820px;color:var(--muted);font-size:1.12rem}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 8px 25px rgba(18,30,21,.06)}
.card img{border-radius:12px;margin-bottom:16px;background:#101a13}
.card p{color:var(--muted)}
.card .eyebrow{font-size:.76rem;text-transform:uppercase;letter-spacing:.13em;color:#6c7f3c;font-weight:900}
.card-link{display:block;color:inherit;text-decoration:none;transition:.2s transform,.2s box-shadow}
.card-link:hover{transform:translateY(-3px);box-shadow:var(--shadow);color:inherit}
.band{background:var(--ink);color:#fff}
.band p{color:#d8e2d9}
.band .card{background:#1f2c23;border-color:#3b4d40}
.article{max-width:870px}
.article .lead{font-size:1.23rem;color:#405148}
.article h2{margin-top:1.65em}
.article h3{margin-top:1.3em}
.hero-image{border-radius:20px;box-shadow:var(--shadow);margin:22px 0 30px}
.breadcrumbs{font-size:.85rem;color:#66756b;margin-bottom:22px}
.breadcrumbs a{color:inherit}
.callout{border-left:6px solid var(--leaf);background:#edf6e5;padding:19px 22px;border-radius:0 13px 13px 0;margin:28px 0}
.warning{border-left-color:var(--red);background:#fff0ed}
.market{border-left-color:var(--amber);background:#fff6df}
.checklist{list-style:none;padding:0}
.checklist li{position:relative;padding:.43em 0 .43em 1.8em}
.checklist li:before{content:"✓";position:absolute;left:0;color:var(--forest);font-weight:900}
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:27px;box-shadow:var(--shadow)}
.tool label{display:block;font-weight:850;margin:.8em 0 .25em}
.tool input,.tool select,.tool textarea{width:100%;padding:12px;border:1px solid #aab5ac;border-radius:9px;background:#fff;font:inherit}
.result{margin-top:20px;padding:18px;border-radius:12px;background:#edf5ef;border:1px solid #bad2c0}
.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}
.data-table th,.data-table td{padding:12px;border-bottom:1px solid var(--line);text-align:left}
.data-table th{background:#e5e5d6}
.sponsor-note{font-size:.8rem;color:#66756b}
.related{margin-top:55px;padding-top:28px;border-top:1px solid var(--line)}
.site-footer{margin-top:60px;padding:50px 20px 34px;background:#0c140e;color:#cbd6ce}
.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.site-footer h3{color:#fff}
.site-footer a{display:block;color:#e0e8e2;text-decoration:none;margin:.35em 0}
.site-footer a:hover{color:var(--lime)}
.footer-bottom{max-width:var(--max);margin:35px auto 0;padding-top:20px;border-top:1px solid #2a392e;font-size:.85rem}
.tag{display:inline-block;padding:5px 9px;margin:3px;border-radius:999px;background:#e6e4d8;color:#37473d;font-size:.78rem;font-weight:800}
@media(max-width:900px){
  .hero-inner,.grid,.grid-4,.footer-grid{grid-template-columns:1fr 1fr}
  .grid-2{grid-template-columns:1fr}
  .nav-toggle{display:block}
  nav{display:none;position:absolute;left:0;right:0;top:61px;background:var(--ink);padding:18px 20px;flex-direction:column}
  nav.open{display:flex}
}
@media(max-width:620px){
  .hero-inner,.grid,.grid-4,.footer-grid{grid-template-columns:1fr}
  .hero{padding-top:54px}
  h1{font-size:2.75rem}
  .section{padding:52px 17px}
}