:root{
  --bg:#fbf8f1;--surface:#fff;--ink:#1c2620;--muted:#5a665e;--line:#e5dfd0;
  --green:#2c5a43;--green-d:#1f4332;--green-l:#e7efe9;--sand:#f2ebdb;
  --amber:#f2a93b;--amber-d:#d88f1f;--amber-ink:#2a1c04;--red:#b4462c;
  --radius:14px;--max:1120px;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 1px 2px rgba(28,38,32,.06),0 8px 24px -12px rgba(28,38,32,.18);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--sans);padding-bottom:76px}
img,svg{max-width:100%;height:auto}
a{color:var(--green);text-underline-offset:3px}
a:hover{color:var(--green-d)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
h1,h2,h3{font-family:var(--serif);line-height:1.18;letter-spacing:-.012em;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2rem,4.6vw,3.1rem)}
h2{font-size:clamp(1.45rem,3vw,1.95rem);margin-top:1.7em}
h3{font-size:1.18rem}
p{margin:0 0 1em}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:#fff;padding:8px;z-index:99}
.icon{width:1.15em;height:1.15em;flex:none;vertical-align:-.18em}

/* header */
.site-head{background:rgba(255,255,255,.96);backdrop-filter:saturate(1.4) blur(6px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--serif);font-size:1.3rem;font-weight:700;letter-spacing:-.01em}
.brand b{color:var(--green)}
.nav{display:flex;gap:20px;align-items:center}
.nav a{text-decoration:none;color:var(--ink);font-size:.96rem;font-weight:500}
.nav a:hover{color:var(--green)}
@media (max-width:820px){.nav .nl{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--amber);color:var(--amber-ink);text-decoration:none;font-weight:800;border-radius:999px;padding:15px 24px;font-size:1.08rem;box-shadow:0 2px 0 var(--amber-d);transition:transform .08s ease,filter .15s}
.btn:hover{filter:brightness(1.05);color:var(--amber-ink)}
.btn:active{transform:translateY(1px);box-shadow:none}
.btn.sm{padding:9px 16px;font-size:.95rem}
.btn.block{width:100%;justify-content:center}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:600;padding:12px 4px}

/* hero */
.hero{background:radial-gradient(1200px 400px at 85% -10%,#3a7257 0%,transparent 60%),var(--green);color:#f4f1e6;padding:52px 0 46px}
.hero h1{color:#fff;max-width:22ch}
.hero .lead{font-size:1.16rem;max-width:58ch;color:#e3ece5}
.hero .fine{font-size:.9rem;color:#c8dacd;margin-top:14px}
.hero-grid{display:grid;gap:28px;align-items:center}
@media (min-width:900px){.hero-grid{grid-template-columns:1.15fr .85fr}}
.crumbs{font-size:.86rem;margin-bottom:14px;color:#c8dacd}
.crumbs a{color:#e0ebe3}
.chips-hero{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:18px;padding:0;list-style:none;font-size:.93rem;color:#e3ece5}
.chips-hero li{display:flex;align-items:center;gap:7px}

/* picker */
.picker{background:var(--surface);color:var(--ink);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.picker h2{margin:0 0 4px;font-size:1.3rem}
.picker p{color:var(--muted);font-size:.95rem;margin-bottom:14px}
.picker-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.picker-grid a{display:flex;align-items:center;gap:8px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink);font-weight:600;font-size:.95rem;background:#fdfbf6}
.picker-grid a:hover{border-color:var(--green);background:var(--green-l)}
.picker-grid .icon{color:var(--green)}

/* trust strip */
.trust{background:var(--surface);border-bottom:1px solid var(--line)}
.trust ul{list-style:none;margin:0;padding:16px 0;display:grid;gap:10px 24px}
@media (min-width:760px){.trust ul{grid-template-columns:repeat(4,1fr)}}
.trust li{display:flex;gap:10px;align-items:center;font-size:.93rem;font-weight:600}
.trust .icon{color:var(--green);width:1.4em;height:1.4em}

/* sections */
.section{padding:48px 0}
.section.alt{background:var(--sand)}
.section.tight{padding:28px 0}
.grid{display:grid;gap:16px}
@media (min-width:700px){.grid.two{grid-template-columns:1fr 1fr}.grid.three{grid-template-columns:repeat(2,1fr)}}
@media (min-width:980px){.grid.three{grid-template-columns:repeat(3,1fr)}.grid.four{grid-template-columns:repeat(4,1fr)}}
@media (min-width:700px) and (max-width:979px){.grid.four{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin-top:0}
.card.link{display:block;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.card.link:hover{border-color:var(--green);transform:translateY(-2px)}
.card .go{font-weight:700;color:var(--green);font-size:.95rem}
.tag{display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green);margin-bottom:6px}
.muted{color:var(--muted)}

/* content layout with sticky aside */
.layout{display:grid;gap:32px}
@media (min-width:980px){.layout{grid-template-columns:minmax(0,1fr) 320px}}
.aside-call{position:sticky;top:86px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.aside-call h3{margin-top:0}
.aside-call ul{font-size:.93rem;padding-left:18px;color:var(--muted)}
@media (max-width:979px){.aside{display:none}}
.prose{max-width:74ch}
.prose ul:not(.ticks){padding-left:20px}

ul.ticks{list-style:none;padding:0;margin:0 0 1.1em}
ul.ticks li{padding-left:30px;position:relative;margin-bottom:.55em}
ul.ticks li::before{content:"";position:absolute;left:3px;top:.42em;width:16px;height:16px;border-radius:50%;background:var(--green-l) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.2l2.6 2.6L12 5.4' fill='none' stroke='%232c5a43' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
ul.ticks.warn li::before{background:#fcebd0 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 4v5' stroke='%23b4462c' stroke-width='2' stroke-linecap='round'/%3E%3Ccircle cx='8' cy='12' r='1.2' fill='%23b4462c'/%3E%3C/svg%3E") center/12px no-repeat}

/* steps */
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:14px}
@media (min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 18px 66px;position:relative}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:18px;width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-weight:800}
.steps h3{margin:0 0 4px;font-size:1.08rem}
.steps p{margin:0;color:var(--muted);font-size:.96rem}

/* call box + self check */
.callout{background:var(--green);color:#f4f1e6;border-radius:18px;padding:24px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin:30px 0}
.callout p{margin:0;font-weight:700;font-size:1.15rem;color:#fff;font-family:var(--serif)}
.callout small{display:block;font-weight:400;color:#c8dacd;font-size:.88rem;font-family:var(--sans);margin-top:4px}
.selfcheck{border:2px solid var(--amber);background:#fff9ee;border-radius:var(--radius);padding:20px 22px;margin:26px 0}
.selfcheck h3{margin:0 0 10px;display:flex;align-items:center;gap:8px}
.selfcheck ul{list-style:none;padding:0;margin:0 0 14px}
.selfcheck li{display:flex;gap:10px;align-items:flex-start;margin-bottom:8px}
.selfcheck li::before{content:"";flex:none;margin-top:4px;width:16px;height:16px;border:2px solid var(--amber-d);border-radius:4px;background:#fff}

/* facts table */
.facts{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin:6px 0 20px;font-size:.97rem}
.facts th,.facts td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.facts th{width:30%;background:#fbf8f1;font-weight:700}
.facts tr:last-child th,.facts tr:last-child td{border-bottom:0}
.summary{font-size:1.08rem;background:var(--green-l);border-left:4px solid var(--green);padding:16px 18px;border-radius:0 12px 12px 0;margin:0 0 24px}
.figure{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin:10px 0 22px}
.figure figcaption{font-size:.88rem;color:var(--muted);margin-top:10px}
.toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:0 0 26px}
.toc strong{display:block;margin-bottom:6px}
.toc ol{margin:0;padding-left:20px;font-size:.96rem}
.toc a{text-decoration:none}
.meta{font-size:.88rem;color:var(--muted);margin-bottom:22px}
.sources{font-size:.92rem}
.sources li{margin-bottom:4px}

details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:15px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.3rem;line-height:1;color:var(--green)}
details[open] summary::after{content:"–"}
details p{margin:.7em 0 0}

.chips{display:flex;flex-wrap:wrap;gap:8px;padding:0;list-style:none;margin:0 0 1em}
.chips li{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:.92rem}
.chips a{text-decoration:none;font-weight:600}
.note-box{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--amber);border-radius:0 12px 12px 0;padding:14px 18px;font-size:.95rem;margin:18px 0}

/* footer */
.site-foot{background:#16201a;color:#c3cec6;padding:44px 0 26px;font-size:.92rem}
.site-foot a{color:#e6ede8;text-decoration:none}
.site-foot a:hover{text-decoration:underline}
.foot-grid{display:grid;gap:26px}
@media (min-width:820px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot-grid h4{color:#fff;margin:0 0 10px;font-family:var(--serif);font-size:1.05rem}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin-bottom:7px}
.disclaimer{border-top:1px solid #2c3a31;margin-top:30px;padding-top:18px;font-size:.83rem;line-height:1.65;color:#a5b3aa}

/* sticky mobile call bar */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));display:flex;justify-content:center}
.callbar .btn{width:100%;max-width:520px;justify-content:center}
@media (min-width:980px){.callbar{display:none}body{padding-bottom:0}}