:root{
  --forest-mid:#3a6356; --forest-deep:#1a2f27;
  --parchment:#f5efe0; --parchment-dark:#e8dfd0; --linen:#faf7f0;
  --bark:#5c4a3a; --bark-light:#7a6b5a;
  --amber:#c8913a; --amber-glow:#d4a24a; --terracotta:#b5694d;
  --sage:#8faa8b; --sage-light:#a8c4a4; --citrus:#d4b85a;
  --text-dark:#2a2218; --text-muted:#9a8b78; --card-shadow:rgba(26,47,39,.16);
  --radius:18px; --radius-sm:12px;
  --font-display:'Fraunces',Georgia,serif; --font-body:'DM Sans',system-ui,sans-serif; --font-mono:'DM Mono',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--text-dark);background:var(--linen);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--forest-mid);text-underline-offset:3px}
.site-head{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:14px 22px;background:rgba(245,239,224,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(200,145,58,.22)}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:600;font-size:1.3rem;color:var(--forest-deep);text-decoration:none;letter-spacing:.01em}
.brand .seed{width:30px;height:30px;border-radius:50%;background:radial-gradient(circle at 35% 30%,var(--amber-glow),var(--amber) 60%,var(--terracotta));box-shadow:0 2px 8px rgba(181,105,77,.35);flex:none}
.site-nav{display:flex;align-items:center;gap:20px}.site-nav a{color:var(--bark);text-decoration:none;font-weight:600;font-size:.95rem}.site-nav a:hover{color:var(--forest-mid)}
.btn-install,.btn-primary{background:linear-gradient(135deg,var(--amber-glow),var(--amber));color:#fff;border:none;border-radius:99px;padding:10px 20px;font-family:var(--font-body);font-weight:800;font-size:.92rem;cursor:pointer;text-decoration:none;display:inline-block;box-shadow:0 4px 14px rgba(200,145,58,.35);transition:transform .15s,box-shadow .15s}
.btn-install:hover,.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(200,145,58,.45)}
.btn-secondary{border:1px solid rgba(245,239,224,.64);color:var(--parchment);background:rgba(245,239,224,.08);border-radius:99px;padding:10px 20px;text-decoration:none;font-weight:800;display:inline-block}
@media(max-width:640px){.site-nav .nav-link{display:none}.site-head{padding:12px 16px}.btn-install{padding:9px 14px}}
.hero{position:relative;min-height:clamp(560px,84vh,760px);display:grid;align-items:end;padding:92px 22px 84px;color:var(--parchment);background:linear-gradient(180deg,rgba(26,47,39,.46),rgba(26,47,39,.86)),url('/assets/bg-home.jpg') center/cover}
.hero-inner{width:min(1080px,100%);margin:0 auto}.hero h1{font-family:var(--font-display);font-weight:600;font-size:clamp(2.55rem,8vw,5.5rem);line-height:.98;max-width:11ch;letter-spacing:0}
.hero p{max-width:48ch;margin:20px 0 24px;font-size:clamp(1.02rem,2.2vw,1.25rem);color:rgba(245,239,224,.9)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.hint{font-size:.9rem;color:rgba(245,239,224,.78)}
.band{padding:64px 22px}.band.alt{background:var(--parchment)}.band.forest{background:linear-gradient(135deg,var(--forest-mid),var(--forest-deep));color:var(--parchment)}
.wrap{width:min(1080px,100%);margin:0 auto}.narrow{max-width:740px}.section-kicker,.kicker{font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.18em;font-size:.74rem;color:var(--amber);margin-bottom:14px}.forest .section-kicker{color:var(--citrus)}
h2{font-family:var(--font-display);font-weight:600;font-size:clamp(1.7rem,4vw,2.7rem);line-height:1.08;color:var(--forest-deep);margin:0 0 14px}.forest h2{color:var(--parchment)}
.lead{font-size:1.08rem;color:var(--bark);max-width:62ch}.forest .lead{color:rgba(245,239,224,.86)}
.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:26px}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px}
.feature-card,.guide-card,.hub-card{background:var(--parchment);border:1px solid rgba(200,145,58,.18);border-radius:var(--radius);padding:20px;text-decoration:none;color:var(--text-dark);box-shadow:0 8px 24px rgba(26,47,39,.08)}
.feature-card img{width:34px;height:34px;margin-bottom:16px}.feature-card h3,.guide-card h3,.hub-card h3{font-family:var(--font-display);font-size:1.22rem;line-height:1.15;color:var(--forest-deep);margin-bottom:8px}.feature-card p,.guide-card p,.hub-card p{font-size:.96rem;color:var(--bark-light)}
.chemistry-band{position:relative;overflow:hidden}.chemistry-band:before{content:"";position:absolute;inset:0;background:url('/assets/divider-botanical.png') center/cover;opacity:.08}.chemistry-band .wrap{position:relative}
.proof{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}.proof img{border-radius:var(--radius);box-shadow:0 18px 50px rgba(0,0,0,.28)}
.article-hero{position:relative;padding:64px 22px 52px;text-align:center;background:linear-gradient(rgba(26,47,39,.74),rgba(58,99,86,.78)),var(--hero-image) center/cover;color:var(--parchment)}
.article-hero h1{font-family:var(--font-display);font-weight:600;font-size:clamp(2rem,6vw,3.2rem);line-height:1.08;max-width:15ch;margin:0 auto}.article-hero p{max-width:48ch;margin:18px auto 0;font-size:1.05rem;color:rgba(245,239,224,.9)}
.article-wrap{max-width:740px;margin:0 auto;padding:0 22px}.answer-box{background:var(--parchment);border-left:5px solid var(--amber);border-radius:var(--radius-sm);padding:20px 22px;margin:-32px auto 40px;position:relative;z-index:2;box-shadow:0 8px 26px var(--card-shadow);font-size:1.08rem}.answer-box strong{color:var(--forest-deep)}
article h2{font-size:clamp(1.5rem,4vw,2rem);margin:46px 0 14px}article h3{font-family:var(--font-display);font-weight:500;font-size:1.22rem;color:var(--bark);margin:30px 0 8px}article p{margin:0 0 16px;font-size:1.05rem}article ul{margin:0 0 18px;padding-left:22px}article li{margin-bottom:9px;font-size:1.04rem}
.section-img{border-radius:var(--radius);margin:24px 0;box-shadow:0 6px 22px var(--card-shadow)}.term{font-family:var(--font-mono);font-weight:500;color:var(--terracotta);background:rgba(181,105,77,.08);padding:1px 6px;border-radius:5px;font-size:.92em}
.note{background:rgba(143,170,139,.16);border-radius:var(--radius-sm);padding:14px 18px;margin:20px 0;font-size:.98rem;color:var(--bark);display:flex;gap:10px;align-items:flex-start}.note:before{content:"*";color:var(--amber);font-size:1.1rem;line-height:1.4;flex:none}
.formula{font-family:var(--font-mono);background:var(--forest-deep);color:var(--parchment);border-radius:var(--radius-sm);padding:18px 20px;margin:18px 0;font-size:1.02rem;text-align:center;letter-spacing:.02em}.formula .x{color:var(--citrus)}
.buddi-cta{background:linear-gradient(135deg,var(--forest-mid),var(--forest-deep));border-radius:var(--radius);padding:30px 26px;margin:44px 0;color:var(--parchment);text-align:center;box-shadow:0 10px 30px rgba(26,47,39,.28)}.buddi-cta h3{font-family:var(--font-display);color:var(--parchment);font-size:1.4rem;margin:0 0 8px}.buddi-cta p{color:rgba(245,239,224,.85);max-width:44ch;margin:0 auto 18px;font-size:1rem}
.related{margin:46px 0 10px}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.related-card{display:block;background:var(--parchment);border:1px solid rgba(200,145,58,.2);border-radius:var(--radius-sm);padding:16px 18px;text-decoration:none;color:var(--text-dark)}.rc-kicker{font-family:var(--font-mono);font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--amber);display:block;margin-bottom:5px}.related-card strong{font-family:var(--font-display);font-weight:500;font-size:1.05rem;color:var(--forest-deep)}
.faq{margin:46px 0}.faq details{border-bottom:1px solid rgba(200,145,58,.22);padding:14px 0}.faq summary{font-family:var(--font-display);font-weight:500;font-size:1.1rem;color:var(--forest-deep);cursor:pointer;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:before{content:"+";color:var(--amber);font-weight:700;margin-right:10px}.faq details[open] summary:before{content:"-"}.faq details p{margin:12px 0 4px;color:var(--bark)}
.hub-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px}.simple-list{display:grid;gap:12px;margin-top:18px}.simple-list a{background:var(--parchment);border-radius:var(--radius-sm);padding:14px 16px;text-decoration:none;color:var(--forest-deep);font-weight:800;border:1px solid rgba(200,145,58,.18)}
.site-foot{background:var(--forest-deep);color:rgba(245,239,224,.78);padding:34px 22px;margin-top:50px;text-align:center;font-size:.86rem}.site-foot a{color:var(--sage-light);text-decoration:none;margin:0 8px}.foot-warn{margin-top:14px;font-size:.78rem;color:rgba(245,239,224,.55);line-height:1.7}.age-badge{display:inline-block;border:1px solid var(--amber);color:var(--amber);border-radius:99px;padding:2px 10px;font-weight:700;font-size:.78rem;margin-bottom:12px}
@media(max-width:880px){.card-grid,.guide-grid{grid-template-columns:1fr 1fr}.proof{grid-template-columns:1fr}.hero{min-height:620px}.hub-list{grid-template-columns:1fr}}
@media(max-width:520px){.card-grid,.guide-grid{grid-template-columns:1fr}.band{padding:48px 18px}.hero{padding:82px 18px 64px}.article-wrap{padding:0 18px}.site-nav{gap:10px}}