@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --green:#7ec63a;--green-dark:#5fa828;--green-dim:rgba(126,198,58,0.12);--green-border:rgba(126,198,58,0.3);
  --bg:#1b1e27;--bg2:#242834;--bg3:#2e3344;--surface:#303648;
  --border:rgba(255,255,255,0.07);--border-hover:rgba(126,198,58,0.4);
  --text:#e8ecf0;--text-muted:#8a93a8;--text-dim:#5c6478;
  --radius:10px;--radius-lg:16px;--shadow:0 4px 24px rgba(0,0,0,0.35);
}
html{scroll-behavior:smooth}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden;font-size:15px}
h1,h2,h3,h4{font-family:'Syne',sans-serif;line-height:1.2}
a{text-decoration:none;color:inherit}

/* HEADER */
.header{background:rgba(27,30,39,0.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000}
.header-inner{max-width:1200px;margin:0 auto;padding:0 24px;height:62px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{font-family:'Syne',sans-serif;font-weight:800;font-size:1.1rem;color:#fff;display:flex;align-items:center;gap:9px;white-space:nowrap}
.logo-icon{width:34px;height:34px;background:var(--green);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
.logo span{color:var(--green)}
.nav-list{display:flex;list-style:none;gap:4px;align-items:center}
.nav-list a{padding:7px 12px;border-radius:var(--radius);font-size:0.87rem;font-weight:500;color:var(--text-muted);transition:all 0.2s}
.nav-list a:hover,.nav-list a.active{color:#fff;background:var(--bg3)}
.nav-cta{background:var(--green)!important;color:var(--bg)!important;font-weight:600!important}
.nav-cta:hover{background:var(--green-dark)!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:all 0.3s}

/* HERO */
.hero{padding:64px 0 56px;text-align:center;position:relative;overflow:hidden}
.hero-glow{position:absolute;top:-80px;left:50%;transform:translateX(-50%);width:600px;height:400px;background:radial-gradient(ellipse,rgba(126,198,58,0.1) 0%,transparent 70%);pointer-events:none}
.hero-content{position:relative;z-index:1;max-width:700px;margin:0 auto;padding:0 24px}
.hero-tag{display:inline-flex;align-items:center;gap:6px;background:var(--green-dim);border:1px solid var(--green-border);color:var(--green);font-size:0.78rem;font-weight:700;padding:5px 14px;border-radius:20px;margin-bottom:18px;letter-spacing:0.05em;text-transform:uppercase}
.hero h1{font-size:clamp(1.9rem,4.5vw,3rem);font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-0.02em}
.hero h1 .accent{color:var(--green)}
.hero p{font-size:1rem;color:var(--text-muted);max-width:540px;margin:0 auto 28px;line-height:1.7}
.hero-badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.badge{background:var(--bg3);border:1px solid var(--border);color:var(--text-muted);font-size:0.78rem;font-weight:500;padding:4px 11px;border-radius:20px}
.badge.green{background:var(--green-dim);border-color:var(--green-border);color:var(--green)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:var(--radius);font-size:0.88rem;font-weight:600;cursor:pointer;border:none;transition:all 0.2s;font-family:'DM Sans',sans-serif;white-space:nowrap}
.btn-primary{background:var(--green);color:#1a1e28}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px)}
.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}
.btn-outline:hover{border-color:var(--green-border);color:var(--green);background:var(--green-dim)}
.btn-ghost{background:var(--bg3);color:var(--text-muted)}
.btn-ghost:hover{color:var(--text);background:var(--surface)}
.btn-sm{padding:7px 14px;font-size:0.82rem}

/* CALC CONTAINER */
.calc-wrap{max-width:1200px;margin:0 auto;padding:0 24px 60px}
.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px}

/* PANELS */
.panel{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px}
.panel-title{font-family:'Syne',sans-serif;font-size:1rem;font-weight:700;color:#fff;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.panel-title .pticon{font-size:1.1rem}

/* SEARCH */
.search-box{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg3);color:var(--text);font-size:0.9rem;font-family:'DM Sans',sans-serif;transition:border-color 0.2s;margin-bottom:16px}
.search-box:focus{outline:none;border-color:var(--green-border)}
.search-box::placeholder{color:var(--text-dim)}

/* CATEGORY BTNS */
.cat-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.cat-tab{padding:6px 14px;border:1px solid var(--border);border-radius:20px;background:transparent;color:var(--text-muted);font-size:0.82rem;font-weight:500;cursor:pointer;transition:all 0.2s;font-family:'DM Sans',sans-serif}
.cat-tab:hover{border-color:var(--border-hover);color:var(--text)}
.cat-tab.active{background:var(--green);border-color:var(--green);color:#1a1e28;font-weight:600}

/* PLANTS GRID */
.plants-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:10px;margin-bottom:20px;max-height:320px;overflow-y:auto;padding-right:4px}
.plants-grid::-webkit-scrollbar{width:4px}
.plants-grid::-webkit-scrollbar-track{background:var(--bg3);border-radius:2px}
.plants-grid::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
.plant-btn{padding:10px 6px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg3);color:var(--text-muted);cursor:pointer;transition:all 0.2s;text-align:center;font-size:0.75rem;font-family:'DM Sans',sans-serif;display:flex;flex-direction:column;align-items:center;gap:5px;min-height:74px}
.plant-btn:hover{border-color:var(--border-hover);color:var(--text);background:var(--surface)}
.plant-btn.selected{border-color:var(--green);background:var(--green-dim);color:var(--green)}
.plant-icon{width:36px;height:36px;object-fit:contain}

/* MODIFIERS */
.mod-label{font-size:0.82rem;font-weight:600;color:var(--text-muted);margin-bottom:10px;text-transform:uppercase;letter-spacing:0.05em}
.mods-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:7px}
.mod-btn{padding:6px 8px;border:1px solid var(--border);border-radius:8px;background:var(--bg3);color:var(--text-muted);cursor:pointer;font-size:0.78rem;font-family:'DM Sans',sans-serif;transition:all 0.2s;text-align:center}
.mod-btn:hover{border-color:var(--border-hover);color:var(--text)}
.mod-btn.active{background:rgba(255,152,0,0.15);border-color:rgba(255,152,0,0.4);color:#ffa726}

/* INPUTS */
.input-group{margin-bottom:16px}
.input-label{display:block;font-size:0.83rem;font-weight:600;color:var(--text-muted);margin-bottom:7px}
.input-field{width:100%;padding:10px 13px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg3);color:var(--text);font-size:0.9rem;font-family:'DM Sans',sans-serif;transition:border-color 0.2s}
.input-field:focus{outline:none;border-color:var(--green-border)}
input[type=range]{width:100%;height:6px;border-radius:3px;background:var(--bg3);outline:none;-webkit-appearance:none;border:1px solid var(--border);margin-top:8px}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--green);cursor:pointer}
input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--green);cursor:pointer;border:none}

/* RESULT */
.result-box{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;text-align:center;margin:20px 0}
.result-num{font-family:'Syne',sans-serif;font-size:3.2rem;font-weight:800;color:var(--green);line-height:1;margin-bottom:6px}
.result-formula{font-size:0.8rem;color:var(--text-dim);line-height:1.5}

/* CONTROL BTNS */
.ctrl-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.ctrl-btn{padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg3);color:var(--text-muted);cursor:pointer;font-size:0.82rem;font-weight:500;font-family:'DM Sans',sans-serif;transition:all 0.2s}
.ctrl-btn:hover{border-color:var(--green-border);color:var(--green)}

/* CONTENT SECTIONS */
.section{padding:52px 0}
.section-label{font-size:0.73rem;font-weight:700;letter-spacing:0.1em;text-transform:uppercase;color:var(--green);margin-bottom:8px}
.section-title{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:-0.02em}
.section-subtitle{font-size:0.95rem;color:var(--text-muted);max-width:540px;line-height:1.7}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* INFO CARDS */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.info-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:22px;transition:border-color 0.2s}
.info-card:hover{border-color:var(--border-hover)}
.info-icon{font-size:1.6rem;margin-bottom:12px}
.info-card h3{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:6px}
.info-card p{font-size:0.85rem;color:var(--text-muted);line-height:1.6}

/* VALUE TABLE */
.val-table{width:100%;border-collapse:collapse;font-size:0.88rem}
.val-table th{text-align:left;padding:10px 14px;background:var(--bg3);color:var(--green);font-weight:600;font-size:0.8rem;text-transform:uppercase;letter-spacing:0.05em;border-bottom:1px solid var(--border)}
.val-table td{padding:10px 14px;border-bottom:1px solid var(--border);color:var(--text-muted)}
.val-table tr:last-child td{border-bottom:none}
.val-table tr:hover td{background:var(--bg3);color:var(--text)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color 0.2s}
.faq-item:hover{border-color:var(--border-hover)}
.faq-item.open{border-color:var(--green-border)}
.faq-question{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;user-select:none}
.faq-question h3{font-size:0.92rem;font-weight:600;color:var(--text)}
.faq-chevron{width:20px;height:20px;border:1px solid var(--border);border-radius:5px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:0.7rem;color:var(--text-muted);transition:all 0.2s}
.faq-item.open .faq-chevron{background:var(--green-dim);border-color:var(--green-border);color:var(--green);transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.3s ease}
.faq-body{padding:0 20px 16px;font-size:0.88rem;color:var(--text-muted);line-height:1.75;border-top:1px solid var(--border);padding-top:14px}
.faq-body a{color:var(--green)}
.faq-body strong{color:var(--text)}

/* INFO BOX */
.info-box{background:var(--green-dim);border:1px solid var(--green-border);border-radius:var(--radius);padding:18px 22px;display:flex;align-items:center;gap:14px;margin:28px 0}
.info-box-icon{font-size:1.4rem;flex-shrink:0}
.info-box-text{flex:1}
.info-box-text strong{display:block;color:var(--green);font-weight:700;margin-bottom:2px;font-size:0.92rem}
.info-box-text p{font-size:0.85rem;color:var(--text-muted);margin:0}

/* LEGAL */
.legal-doc{max-width:760px;margin:0 auto}
.legal-doc h2{font-size:1.15rem;font-weight:700;color:var(--green);margin:32px 0 10px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.legal-doc h3{font-size:0.95rem;font-weight:700;color:var(--text);margin:18px 0 8px}
.legal-doc p{font-size:0.9rem;color:var(--text-muted);line-height:1.8;margin-bottom:10px}
.legal-doc ul{padding-left:20px;margin-bottom:12px}
.legal-doc li{font-size:0.9rem;color:var(--text-muted);line-height:1.7;margin-bottom:5px}
.legal-doc strong{color:var(--text)}
.legal-doc a{color:var(--green)}
.legal-date{display:inline-block;background:var(--green-dim);border:1px solid var(--green-border);color:var(--green);font-size:0.8rem;font-weight:600;padding:4px 13px;border-radius:20px;margin-bottom:24px}

/* PAGE HEADER */
.page-header{padding:52px 0 44px;border-bottom:1px solid var(--border);background:var(--bg2)}
.page-header h1{font-size:clamp(1.6rem,3.5vw,2.4rem);font-weight:800;color:#fff;margin-bottom:10px;letter-spacing:-0.02em}
.page-header p{font-size:0.95rem;color:var(--text-muted);max-width:560px;line-height:1.7}

/* CONTACT */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;text-align:center;transition:border-color 0.2s}
.contact-card:hover{border-color:var(--border-hover)}
.contact-icon{width:50px;height:50px;background:var(--green-dim);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin:0 auto 14px}
.contact-card h3{font-size:0.95rem;font-weight:700;color:#fff;margin-bottom:7px}
.contact-card p{font-size:0.85rem;color:var(--text-muted);margin-bottom:16px;line-height:1.6}
.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:0.83rem;font-weight:600;color:var(--text);margin-bottom:6px}
.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 13px;background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:0.88rem;font-family:'DM Sans',sans-serif;transition:border-color 0.2s}
.form-group textarea{resize:vertical;min-height:100px}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--green-border)}

/* FOOTER */
.footer{background:var(--bg2);border-top:1px solid var(--border);padding:48px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
.footer-brand .logo{margin-bottom:12px}
.footer-brand p{font-size:0.85rem;color:var(--text-muted);line-height:1.7;margin-bottom:14px}
.footer-col h4{font-family:'Syne',sans-serif;font-size:0.82rem;font-weight:700;color:var(--text);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:14px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:0.85rem;color:var(--text-muted);transition:color 0.2s}
.footer-col a:hover{color:var(--green)}
.footer-social{display:flex;gap:8px}
.social-btn{width:34px;height:34px;background:var(--bg3);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:0.9rem;transition:all 0.2s}
.social-btn:hover{background:var(--green-dim);border-color:var(--green-border)}
.footer-bottom{border-top:1px solid var(--border);padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bottom p{font-size:0.8rem;color:var(--text-dim)}
.footer-bottom a{color:var(--green)}
.sister-link{display:inline-flex;align-items:center;gap:5px;background:var(--green-dim);border:1px solid var(--green-border);color:var(--green);font-size:0.78rem;font-weight:600;padding:4px 11px;border-radius:20px;transition:background 0.2s}
.sister-link:hover{background:rgba(126,198,58,0.2)}

/* BACK TO TOP */
#backToTop{position:fixed;bottom:26px;right:26px;width:42px;height:42px;background:var(--green);color:#1a1e28;border:none;border-radius:10px;font-size:1rem;cursor:pointer;display:none;align-items:center;justify-content:center;z-index:999;transition:all 0.2s;font-weight:700}
#backToTop:hover{background:var(--green-dark);transform:translateY(-2px)}
#backToTop.visible{display:flex}

/* TOAST */
.toast{position:fixed;top:72px;right:18px;background:var(--surface);border:1px solid var(--border);color:var(--text);padding:11px 16px;border-radius:var(--radius);font-size:0.85rem;font-weight:500;z-index:9999;animation:toastIn 0.25s ease;max-width:270px}
.toast.success{border-left:3px solid var(--green)}
@keyframes toastIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* RESPONSIVE */
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr}.calc-grid{grid-template-columns:1fr}}
@media(max-width:768px){
  .nav-list{display:none;position:absolute;top:62px;left:0;width:100%;background:var(--bg2);border-bottom:1px solid var(--border);flex-direction:column;padding:10px 16px 14px;gap:2px}
  .nav-list.open{display:flex}
  .nav-toggle{display:flex}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:480px){.hero h1{font-size:1.75rem}.ctrl-btns{grid-template-columns:1fr}}