:root{
  --parchment:#f6f3ec; --card:#ffffff; --sage:#eef3ea;
  --ink:#1a2620; --soft:#48564d; --line:#dfe5d9;
  --pine:#0f3324; --pine2:#16432f; --emerald:#1f8a52; --emerald-d:#176b3f;
  --lime:#a6e26a; --clay:#d9743a; --clay-d:#bd5f2a; --gold:#e7b54a;
  --shadow:0 10px 30px rgba(15,51,36,.10);
  --radius:16px;
}
*{box-sizing:border-box}
html,body{width:100%;overflow-x:hidden;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--parchment); color:var(--ink);
  font-family:"Mulish",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  font-size:17px; line-height:1.72; -webkit-font-smoothing:antialiased;
}
.wrap{width:100%;max-width:1140px;margin:0 auto;padding:0 22px}
a{color:var(--emerald-d);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{font-family:"Fraunces",Georgia,serif;line-height:1.2;color:var(--pine);margin:0 0 .5em}
h1{font-size:2.05rem;font-weight:700;letter-spacing:-.01em}
h2{font-size:1.5rem;font-weight:600;margin-top:1.7em}
h3{font-size:1.18rem;font-weight:600;margin-top:1.3em}
p{margin:0 0 1.05em}
main{display:block}
img{max-width:100%;height:auto}

/* ---- header ---- */
.site-head{position:sticky;top:0;z-index:40;background:var(--pine);
  border-bottom:3px solid var(--lime);box-shadow:0 2px 14px rgba(0,0,0,.18)}
.head-row{display:flex;align-items:center;gap:18px;min-height:68px}
.brand-logo{display:inline-flex;align-items:center;color:#fff;font-family:"Fraunces",serif;
  font-weight:700;font-size:1.32rem;letter-spacing:-.01em;text-decoration:none;white-space:nowrap}
.brand-logo:hover{text-decoration:none}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-main a{color:#e9f3e7;font-weight:600;font-size:.93rem;padding:8px 11px;border-radius:999px;
  white-space:nowrap}
.nav-main a:hover{background:rgba(166,226,106,.16);color:#fff;text-decoration:none}
.nav-main a.active{background:var(--emerald);color:#fff}
.head-cta{margin-left:8px;background:var(--clay);color:#fff !important;font-weight:800;
  padding:10px 18px;border-radius:999px;white-space:nowrap;box-shadow:0 4px 12px rgba(217,116,58,.4)}
.head-cta:hover{background:var(--clay-d);text-decoration:none}
.burger{display:none;margin-left:auto;width:46px;height:42px;border:1px solid rgba(166,226,106,.5);
  border-radius:12px;background:transparent;cursor:pointer;padding:10px 9px;flex-direction:column;
  justify-content:space-between}
.burger span{display:block;height:3px;border-radius:3px;background:var(--lime)}

/* ---- crumbs ---- */
.crumbs{background:var(--sage);border-bottom:1px solid var(--line);font-size:.88rem;color:var(--soft)}
.crumbs .wrap{padding-top:10px;padding-bottom:10px}
.crumbs a{color:var(--emerald-d);font-weight:600}
.crumbs span[aria-current]{color:var(--ink)}

/* ---- hero / sections ---- */
.hero{background:
  radial-gradient(1100px 320px at 78% -40%,rgba(166,226,106,.20),transparent 60%),
  linear-gradient(180deg,#13402c 0%,#0f3324 100%);color:#eef6ea}
.hero .wrap{padding-top:46px;padding-bottom:46px}
.hero h1{color:#fff;font-size:2.45rem;max-width:20ch}
.hero p.lede{color:#eaf3e4;font-size:1.14rem;line-height:1.6;max-width:62ch}
/* The hero lede also carries `.note` (density-gate skip marker). On the dark hero,
   `.note`'s pale --sage fill + muted --soft text is unreadable, so override it here:
   light text on a subtle translucent panel that reads cleanly against the green. */
.hero p.lede.note,.hero .note{color:#eaf3e4;background:rgba(255,255,255,.06);
  border-left:4px solid var(--lime);border-radius:0 12px 12px 0;padding:14px 18px}
.hero .pill{display:inline-block;background:rgba(166,226,106,.18);color:var(--lime);
  border:1px solid rgba(166,226,106,.4);font-weight:700;font-size:.8rem;letter-spacing:.06em;
  text-transform:uppercase;padding:5px 13px;border-radius:999px;margin-bottom:14px}
.hero .btn-row{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}

main .wrap{padding-top:34px;padding-bottom:48px}
.snippet{background:var(--card);color:var(--ink);border:1px solid var(--line);
  border-left:5px solid var(--emerald);border-radius:12px;padding:18px 22px;margin:0 0 26px;
  font-size:1.06rem;line-height:1.6;box-shadow:var(--shadow)}
/* The featured snippet also carries `.note` (so the density gate skips it). Keep it a
   solid high-contrast white card with dark ink text — never let `.note`'s muted grey
   on a pale fill wash it out (it was unreadable on the dark hero). */
.snippet.note{color:var(--ink);background:var(--card);font-size:1.06rem;
  border-left:5px solid var(--emerald);padding:18px 22px;border-radius:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;margin:22px 0;box-shadow:var(--shadow)}
.section-img{display:block;width:100%;height:auto;border-radius:var(--radius);margin:22px 0;
  border:1px solid var(--line);box-shadow:var(--shadow)}
figure{margin:22px 0}
figure .section-img{margin:0 0 8px}
figcaption{font-size:.85rem;color:var(--soft);text-align:center}

ul.ticks{list-style:none;padding:0;margin:1em 0}
ul.ticks li{position:relative;padding:6px 0 6px 30px;border-bottom:1px dashed var(--line)}
ul.ticks li:before{content:"";position:absolute;left:4px;top:13px;width:13px;height:13px;
  border-radius:4px;background:var(--lime);box-shadow:inset 0 0 0 2px var(--emerald)}
ul.plain{padding-left:22px;margin:1em 0}
ul.plain li{margin:.35em 0}
ol.steps{counter-reset:s;list-style:none;padding:0;margin:1.1em 0}
ol.steps li{position:relative;padding:4px 0 14px 48px;margin:0}
ol.steps li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;
  width:34px;height:34px;border-radius:50%;background:var(--emerald);color:#fff;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-family:"Mulish"}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:20px 0}
.proscons .box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.proscons .box.pro{border-top:4px solid var(--emerald)}
.proscons .box.con{border-top:4px solid var(--clay)}
.proscons h3{margin-top:.1em}
.proscons ul{list-style:none;padding:0;margin:.4em 0 0}
.proscons li{padding:5px 0 5px 26px;position:relative}
.proscons .pro li:before{content:"+";position:absolute;left:4px;color:var(--emerald);font-weight:900}
.proscons .con li:before{content:"\2212";position:absolute;left:4px;color:var(--clay);font-weight:900}

.table-scroll{overflow-x:auto;margin:20px 0;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;width:100%;min-width:480px;font-size:.96rem}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
thead th{background:var(--pine);color:#eef6ea;font-family:"Mulish";font-weight:700}
tbody tr:nth-child(even){background:var(--sage)}

.btn{display:inline-block;background:var(--clay);color:#fff !important;font-weight:800;
  padding:13px 26px;border-radius:999px;box-shadow:0 6px 16px rgba(217,116,58,.35)}
.btn:hover{background:var(--clay-d);text-decoration:none}
.btn.ghost{background:transparent;color:#eef6ea !important;border:1.5px solid rgba(238,246,234,.5);box-shadow:none}
.cta-band{background:linear-gradient(180deg,var(--pine2),var(--pine));color:#eef6ea;
  border-radius:var(--radius);padding:26px 26px;margin:30px 0;text-align:center}
.cta-band h2{color:#fff;margin-top:0}
.cta-band p{color:#cfe3c9;max-width:60ch;margin:0 auto 16px}

/* ---- tabs ---- */
.tabs{margin:22px 0}
.tab-btns{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tab-btns button{font-family:"Mulish";font-weight:700;border:1px solid var(--line);background:var(--card);
  color:var(--pine);padding:8px 16px;border-radius:999px;cursor:pointer;font-size:.92rem}
.tab-btns button.on{background:var(--emerald);color:#fff;border-color:var(--emerald)}
.tabp{display:none}.tabp.on{display:block}

/* ---- faq accordion ---- */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin:10px 0;
  box-shadow:var(--shadow);overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:15px 48px 15px 18px;position:relative;
  font-weight:700;color:var(--pine);font-family:"Mulish")}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:18px;top:12px;font-size:1.5rem;color:var(--emerald);font-weight:700}
.faq details[open] summary:after{content:"\2212"}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .ans{padding:6px 18px 16px}
.faq .ans p:last-child{margin-bottom:0}

/* ---- calculator ---- */
.calc{background:var(--sage);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin:24px 0}
.calc label{display:block;font-weight:700;color:var(--pine);margin:10px 0 4px;font-size:.92rem}
.calc input[type=range]{width:100%;accent-color:var(--emerald)}
.calc .out{font-family:"Fraunces",serif;font-size:1.5rem;color:var(--emerald-d);font-weight:700;margin-top:10px}
.calc .row{display:flex;justify-content:space-between;font-size:.95rem;margin:6px 0}
.calc .row b{color:var(--pine)}

.copybox{display:flex;align-items:center;gap:10px;background:var(--card);border:1px dashed var(--emerald);
  border-radius:12px;padding:12px 14px;margin:16px 0;flex-wrap:wrap}
.copybox code{font-family:ui-monospace,Menlo,Consolas,monospace;font-weight:700;color:var(--pine);font-size:1.02rem}
.copybox button{background:var(--emerald);color:#fff;border:0;border-radius:999px;padding:8px 16px;
  font-weight:700;cursor:pointer;font-family:"Mulish"}
.copybox button:hover{background:var(--emerald-d)}
.copybox .ok{color:var(--emerald-d);font-weight:700;font-size:.9rem}

.note{font-size:.92rem;color:var(--soft);background:var(--sage);border-left:3px solid var(--gold);
  padding:10px 14px;border-radius:0 10px 10px 0;margin:16px 0}
.muted{font-size:.86rem;color:var(--soft)}

.authority{font-size:.92rem;color:var(--soft);margin-top:8px}
.authority a{color:var(--emerald-d);font-weight:600;text-decoration:underline}

/* ---- footer ---- */
.site-foot{background:var(--pine);color:#cfe0c8;margin-top:50px;padding:40px 0 26px;border-top:3px solid var(--lime)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:26px}
.site-foot h4{color:#fff;font-family:"Mulish";font-weight:800;font-size:.95rem;text-transform:uppercase;
  letter-spacing:.05em;margin:0 0 12px}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot li{margin:7px 0}
.site-foot a{color:#cfe0c8}.site-foot a:hover{color:var(--lime)}
.foot-blurb{font-size:.93rem;color:#b9cdb2;max-width:42ch}
.foot-18{display:inline-flex;align-items:center;gap:8px;margin-top:10px;font-weight:800;color:var(--lime)}
.foot-18 .b{background:var(--clay);color:#fff;border-radius:8px;padding:2px 8px;font-size:.8rem}
.foot-legal{border-top:1px solid rgba(255,255,255,.12);margin-top:28px;padding-top:16px;
  font-size:.84rem;color:#9fb398;text-align:center}

/* ---- back to top ---- */
#toTop{position:fixed;right:18px;bottom:18px;z-index:45;width:48px;height:48px;border-radius:50%;
  background:var(--emerald);color:#fff;border:0;cursor:pointer;font-size:1.3rem;display:none;
  box-shadow:0 6px 16px rgba(15,51,36,.35)}
#toTop.show{display:block}
#toTop:hover{background:var(--emerald-d)}

/* ---- 404 ---- */
.feat{list-style:none;padding:0;margin:18px 0}
.feat li{margin:8px 0}
.feat a{font-weight:700}

@media(max-width:860px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .proscons{grid-template-columns:1fr}
}
@media(max-width:720px){
  body{font-size:16px}
  .wrap{padding:0 22px}
  h1{font-size:1.7rem}.hero h1{font-size:1.95rem}
  .burger{display:flex}
  .nav-main{display:none;position:absolute;left:0;right:0;top:100%;background:var(--pine2);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 14px 16px;border-bottom:3px solid var(--lime);
    box-shadow:0 14px 24px rgba(0,0,0,.3)}
  .site-head{position:relative}
  .nav-main.open{display:flex}
  .nav-main a{padding:12px 8px;border-radius:8px;font-size:1rem}
  .head-cta{margin:8px 0 0;text-align:center}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .hero .wrap{padding-top:34px;padding-bottom:34px}
}