/* GrowSpot site — design tokens from constants/design.ts + DESIGN_SYSTEM v2.1 (净白 + 森林绿 + 轻字重; brand screens = dark photo + cream serif) */
:root{
  --green:#2D5F3F; --bg:#FDFDFD; --card:#FFFFFF; --ink:#1C1C1E; --sub:#6E7075;
  --line:#EAEBED; --amber:#C9A961; --amberbg:#FDF6E3; --ok:#5A8A65; --okbg:#EAF2EC;
  --tint:#F5F7F5; --cream:#FBF8EF; --neutral:#EFF0F2;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;font-weight:400;line-height:1.6}
a{color:var(--green)}
/* Hero — brand screen family */
.hero{background:linear-gradient(rgba(16,30,22,.62),rgba(16,30,22,.62)),url('/assets/hero.jpg') center/cover no-repeat,#1E3527;color:var(--cream);padding:0 20px 56px}
.hero.compact{padding-bottom:44px}
.nav{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:20px 0}
.wordmark{font-family:Georgia,"Times New Roman",serif;font-size:22px;color:var(--cream);text-decoration:none;letter-spacing:.2px;display:flex;align-items:center;gap:9px}
.nav .links{display:flex;gap:16px;flex-wrap:wrap;justify-content:flex-end}
.nav .links a{color:var(--cream);text-decoration:none;font-size:13.5px;opacity:.92;white-space:nowrap}
.hero-inner{max-width:960px;margin:0 auto;padding-top:40px}
.hero h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(30px,5vw,46px);line-height:1.25;max-width:680px}
.hero p{margin-top:16px;max-width:580px;font-size:16px;opacity:.92;font-weight:300;color:var(--cream)}
.hero .btn-row{margin-top:26px}
.hero .textlink{color:var(--cream);font-size:14px;text-decoration:underline;text-underline-offset:3px;opacity:.9}
/* Layout */
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
section{padding:52px 0 8px}
h2{font-size:26px;font-weight:300;line-height:1.35;margin-bottom:8px}
.lede{color:var(--sub);font-size:15px;margin-bottom:26px;max-width:640px}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}
/* Buttons */
.btn{display:inline-block;background:var(--green);color:#fff;border:none;border-radius:12px;height:52px;padding:0 24px;font-size:15px;font-weight:500;cursor:pointer;text-decoration:none;line-height:52px;transition:opacity .15s;white-space:nowrap}
.btn:active{transform:scale(.98);opacity:.9}
.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.onDark.secondary{background:transparent;color:var(--cream);border:1px solid rgba(251,248,239,.55)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
/* Cards & grids */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 2px 10px rgba(0,0,0,0.05)}
.grid3{display:grid;gap:16px}
@media(min-width:720px){.grid3{grid-template-columns:1fr 1fr 1fr}}
.grid2{display:grid;gap:16px}
@media(min-width:720px){.grid2{grid-template-columns:1fr 1fr}}
.fcard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.fcard .ic{width:40px;height:40px;border-radius:8px;background:var(--tint);display:flex;align-items:center;justify-content:center;color:var(--green);margin-bottom:12px}
.fcard h3{font-size:16px;font-weight:500;margin-bottom:6px}
.fcard p{font-size:14px;color:var(--sub)}
/* Steps */
.steps{counter-reset:step}
.step{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.num{counter-increment:step;flex:none;width:32px;height:32px;border-radius:50%;background:var(--tint);color:var(--green);display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:500}
.num::before{content:counter(step)}
.step h3{font-size:16px;font-weight:500;margin-bottom:2px}
.step p{font-size:14.5px;color:var(--sub);max-width:640px}
/* Screenshots strip */
.shots{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;padding:8px 0}
.shots img{width:min(280px,78vw);height:auto;border-radius:18px;box-shadow:0 2px 10px rgba(0,0,0,0.05)}
/* Dark quote band */
.band-dark{background:linear-gradient(rgba(16,30,22,.72),rgba(16,30,22,.72)),url('/assets/hero.jpg') center/cover no-repeat,#1E3527;color:var(--cream);border-radius:16px;padding:44px 28px;margin:20px 0}
.band-dark blockquote{font-family:Georgia,serif;font-size:clamp(22px,3.4vw,30px);line-height:1.35;max-width:640px}
.band-dark p{margin-top:14px;font-size:14.5px;font-weight:300;opacity:.92;max-width:640px}
/* Pricing */
.pcard{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}
.pcard.plus{box-shadow:0 2px 10px rgba(0,0,0,0.05);border-color:#CBD9CF}
.pcard .plan{font-size:14px;font-weight:500;color:var(--sub);letter-spacing:.3px;text-transform:uppercase}
.pcard .price{font-size:30px;font-weight:300;margin:8px 0 2px}
.pcard .per{font-size:13px;color:var(--sub)}
.pcard ul{list-style:none;margin-top:14px}
.pcard li{font-size:14.5px;padding:8px 0;border-bottom:1px solid var(--line)}
.pcard li:last-child{border-bottom:none}
.pcard .btn{margin-top:16px;width:100%;text-align:center}
.trialnote{font-size:13px;color:var(--sub);margin-top:10px}
/* Founding banner */
.banner{background:var(--okbg);border-radius:12px;padding:18px 20px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:28px 0 8px}
.banner p{font-size:15px}
.banner a{font-weight:500;white-space:nowrap}
/* Tool (spot checker) */
.tool{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:0 2px 10px rgba(0,0,0,0.05)}
.spot-grid{display:grid;gap:24px}
@media(min-width:760px){.spot-grid.compare{grid-template-columns:1fr 1fr}}
.q{margin-bottom:24px}
.q label.title{display:block;font-size:15px;font-weight:500;margin-bottom:10px}
.q .hint{font-size:13px;color:var(--sub);margin-top:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:20px;height:38px;padding:0 15px;font-size:14px;cursor:pointer;transition:all .15s ease-out}
.chip svg{flex:none}
.chip:hover{background:var(--tint)}
.chip.on{background:var(--green);border-color:var(--green);color:#fff}
input[type=range]{width:100%;accent-color:var(--green);margin-top:4px}
.ends{display:flex;justify-content:space-between;font-size:12px;color:var(--sub);margin-top:2px}
.vlabel{display:flex;align-items:center;gap:8px;font-size:14.5px;color:var(--ink);margin-top:10px}
.vlabel svg{color:var(--green);flex:none}
.result{margin-top:24px;border-top:1px solid var(--line);padding-top:24px;display:none}
.band{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:400}
.dot{width:12px;height:12px;border-radius:50%;flex:none}
.lux{font-size:13px;color:var(--sub);margin-top:6px}
.tag{display:inline-block;font-size:12px;border-radius:6px;padding:2px 8px;background:var(--amberbg);color:#8a6d2f;margin-left:8px;vertical-align:2px}
.plants{margin-top:18px;display:grid;gap:16px}
@media(min-width:640px){.plants{grid-template-columns:1fr 1fr}}
.plist h4{font-size:14px;font-weight:500;margin-bottom:8px}
.plist ul{list-style:none}
.plist li{font-size:14px;padding:7px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.plist li:last-child{border-bottom:none}
.plist.bad li{color:var(--sub)}
.honest{margin-top:18px;background:var(--tint);border-radius:12px;padding:14px 16px;font-size:13.5px;color:var(--sub)}
.honest strong{color:var(--ink);font-weight:500}
.measure-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;color:var(--green);text-decoration:none;font-weight:500}
.cantassess{background:var(--amberbg);border-radius:12px;padding:16px;margin-top:24px;display:none}
.cantassess h3{font-size:16px;font-weight:500;margin-bottom:6px;color:#8a6d2f}
.cantassess p{font-size:14px;color:var(--ink)}
.compare-verdict{margin-top:24px;background:var(--okbg);border-radius:12px;padding:16px;font-size:14.5px;display:none}
.cta{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;margin-top:32px}
.cta h3{font-size:18px;font-weight:500;margin-bottom:6px}
.cta p{font-size:14.5px;color:var(--sub);max-width:560px}
.store-row{display:flex;gap:12px;align-items:center;margin-top:16px;flex-wrap:wrap}
/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:16px 0}
.faq summary{font-size:16px;font-weight:500;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::after{content:"+";color:var(--sub);font-size:20px;font-weight:300}
.faq details[open] summary::after{content:"–"}
.faq p{font-size:14.5px;color:var(--sub);margin-top:10px;max-width:680px}
/* Founding steps text */
.muted{color:var(--sub);font-size:14px}
/* Press */
.assets-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.asset{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff;font-size:13px}
.asset img{width:100%;height:140px;object-fit:contain;background:var(--tint);border-radius:8px;margin-bottom:8px}
.facts td{padding:8px 16px 8px 0;font-size:14.5px;vertical-align:top;border-bottom:1px solid var(--line)}
.facts td:first-child{color:var(--sub);white-space:nowrap}
/* Footer */
footer{border-top:1px solid var(--line);padding:32px 20px 48px;margin-top:44px}
.foot{max-width:960px;margin:0 auto;display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;font-size:13px;color:var(--sub)}
.foot a{color:var(--sub);text-decoration:none;margin-right:16px}