:root{--ink:#243127;--muted:#68746b;--paper:#f4f6ef;--panel:#fffdf8;--line:#dbe3d5;--forest:#315a3c;--leaf:#4f7c4d;--sage:#92aa78;--lime:#c8d66b;--clay:#b9764e;--cream:#f3ecd8;--shadow:0 14px 38px rgba(48,76,50,.10);--wrap:min(1480px,calc(100% - 36px))}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:linear-gradient(90deg,rgba(49,90,60,.025) 1px,transparent 1px),linear-gradient(rgba(49,90,60,.025) 1px,transparent 1px),var(--paper);background-size:30px 30px;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.68}
a{color:#3b7047;text-underline-offset:3px}.wrap{width:var(--wrap);margin:auto}.skip{position:absolute;left:-9999px}.skip:focus{left:10px;top:10px;background:#fff;padding:10px;z-index:100}
.site-header{background:#233d2a;color:#fff;position:sticky;top:0;z-index:40}.nav-row{min-height:74px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:900;min-width:340px}.mark{width:46px;height:46px;border-radius:50% 50% 48% 52%;background:linear-gradient(145deg,#d9e77b,#88ad64);display:grid;place-items:center;color:#203324;font-size:.72rem;font-weight:950;transform:rotate(-6deg)}.brand-copy{display:flex;flex-direction:column;line-height:1.05}.brand-copy small{font-size:.64rem;color:#cbd7ca;text-transform:uppercase;letter-spacing:.08em}.nav-links{margin-left:auto;display:flex;gap:3px;flex-wrap:wrap}.nav-links a{color:#fff;text-decoration:none;padding:8px 10px;border-radius:8px;font-weight:760;font-size:.91rem}.nav-links a:hover,.nav-links a[aria-current=page]{background:rgba(255,255,255,.11)}.nav-toggle{display:none;margin-left:auto;background:transparent;color:#fff;border:1px solid #78907f;border-radius:8px;padding:8px 10px}
.hero{background:radial-gradient(circle at 86% 14%,rgba(200,214,107,.25),transparent 24rem),radial-gradient(circle at 94% 78%,rgba(185,118,78,.20),transparent 22rem),linear-gradient(125deg,#213c2a 0%,#3d6744 56%,#657a51 100%);color:#fff;padding:76px 0 62px;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}.eyebrow,.kicker{font-size:.76rem;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.eyebrow{color:#e8efa5}.kicker{color:#4f7c4d}h1,h2,h3{line-height:1.14;letter-spacing:-.03em}h1{font-size:clamp(2.3rem,5vw,4.6rem);margin:.25em 0}.hero p{font-size:1.16rem;color:#ecf3ec}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;padding:12px 16px;border-radius:10px;font-weight:850;text-decoration:none;border:1px solid transparent}.btn-primary{background:#d6e36f;color:#253224}.btn-secondary{border-color:#afc1b2;color:#fff}
.plant-card{background:rgba(20,45,27,.42);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:22px}.plant-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.plant-tile{background:#fbfff8;color:#253328;border-radius:12px;padding:15px;border-top:4px solid #8bae69}.plant-tile:nth-child(2){border-color:#d0cf62}.plant-tile:nth-child(3){border-color:#b9794f}.plant-tile:nth-child(4){border-color:#6fa2a0}.plant-tile strong{display:block}.plant-tile span{font-size:.75rem;color:#6b776e}
.section{padding:60px 0}.section-tight{padding:42px 0}.lead{font-size:1.13rem;color:#56625a;max-width:930px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.card,.article,.toc{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow)}.card{border-radius:18px;padding:24px}.card-link{display:block;color:inherit;text-decoration:none;transition:.16s}.card-link:hover{transform:translateY(-2px)}.icon{width:50px;height:50px;border-radius:14px 50% 14px 50%;background:#eaf2df;display:grid;place-items:center;margin-bottom:16px;font-size:.72rem;color:#3d6f48;font-weight:950}
.page-head{padding:52px 0 28px}.page-head h1{font-size:clamp(2.15rem,4vw,3.6rem)}.page-head p{font-size:1.1rem;color:#59665d;max-width:900px}.breadcrumbs,.meta,.small,.notice{font-size:.86rem;color:#6b756e}.pill{display:inline-flex;background:#eaf1df;color:#4d6f50;padding:5px 9px;border-radius:999px;margin:2px;font-size:.76rem;font-weight:850}.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}.article{border-radius:20px;padding:clamp(24px,4vw,50px)}.article h2{margin-top:1.6em;font-size:clamp(1.5rem,2.6vw,2.1rem)}.article p,.article li{max-width:84ch}.toc{position:sticky;top:94px;border-radius:14px;padding:20px}.toc a{display:block;color:#5e6f62;text-decoration:none;padding:6px 0}.callout{border-left:5px solid var(--clay);background:#fff8ef;border-radius:0 12px 12px 0;padding:18px 20px;margin:24px 0}.callout.safe{border-color:#5e8c67;background:#f0f7ef}.faq details{border:1px solid var(--line);border-radius:10px;padding:14px;margin:10px 0}.faq summary{font-weight:850;cursor:pointer}
.tool{background:linear-gradient(145deg,#294633,#557050);color:#fff;padding:26px;border-radius:18px}.tool input,.tool select{width:100%;padding:11px;border-radius:8px;border:1px solid #a5b7a6;font:inherit}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.result{background:#fbfff8;color:#203024;border-radius:10px;padding:17px;margin-top:18px}.result strong{font-size:1.35rem}
.site-footer{margin-top:60px;background:#203326;color:#dce7dd;padding:42px 0 26px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:26px}.site-footer h3{color:#fff}.site-footer a{color:#dfe9d7}.footer-brand{color:#fff;font-weight:900}.footer-note{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);font-size:.84rem;color:#aebfae}.not-found{text-align:center;padding:90px 20px}.code{font-size:5rem;font-weight:950;color:#7f9c5a}
@media(max-width:980px){.hero-grid,.article-shell{grid-template-columns:1fr}.toc{position:static}.grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){:root{--wrap:min(100% - 24px,1480px)}.site-header{position:relative}.brand{min-width:0;max-width:76%}.brand-copy small{display:none}.nav-toggle{display:block}.nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#2d4b34;padding:12px 18px;flex-direction:column}.nav-links.open{display:flex}.grid,.grid-2,.form-grid,.footer-grid,.plant-grid{grid-template-columns:1fr}.article{padding:22px 18px}}