:root {
  --green-dark:#1B3A2D;--green-mid:#2D6B47;--green-light:#4A8A62;
  --green-pale:#E4F0E9;--green-mist:#F5FAF7;--white:#FFFFFF;
  --off-white:#F8FAF8;--text-primary:#1A2E22;--text-secondary:#4A6355;
  --text-muted:#7A9A87;--border:rgba(27,58,45,0.12);
  --shadow:0 2px 20px rgba(27,58,45,0.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Barlow',sans-serif;font-weight:400;color:var(--text-primary);background:var(--white);line-height:1.6;overflow-x:hidden}

/* Nav */
nav{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--green-dark);padding:0 32px;display:flex;align-items:center;justify-content:space-between;height:68px;border-bottom:1px solid rgba(255,255,255,0.08);gap:24px}
.nav-logo img{height:34px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:24px;list-style:none;flex:1;justify-content:center}
.nav-links a{color:rgba(255,255,255,0.72);text-decoration:none;font-size:12px;font-weight:500;letter-spacing:0.04em;text-transform:uppercase;transition:color 0.2s;white-space:nowrap}
.nav-links a:hover{color:#fff}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.15);border-radius:6px;padding:7px 12px 7px 34px;color:#fff;font-family:'Barlow',sans-serif;font-size:13px;width:200px;outline:none;transition:all 0.2s}
.nav-search input::placeholder{color:rgba(255,255,255,0.45)}
.nav-search input:focus{background:rgba(255,255,255,0.13);border-color:rgba(255,255,255,0.3);width:240px}
.nav-search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:rgba(255,255,255,0.5);pointer-events:none}
.nav-lang{display:flex;gap:4px}
.lang-btn{background:transparent;border:1px solid rgba(255,255,255,0.25);color:rgba(255,255,255,0.7);padding:4px 10px;border-radius:4px;font-size:12px;font-weight:500;cursor:pointer;font-family:'Barlow',sans-serif;transition:all 0.2s;text-decoration:none;display:inline-block}
.lang-btn.active,.lang-btn:hover{background:var(--green-mid);border-color:var(--green-mid);color:#fff}

/* Search results */
.search-results{position:absolute;top:100%;left:0;right:0;margin-top:6px;background:#fff;border-radius:8px;box-shadow:0 12px 36px rgba(0,0,0,0.25);max-height:380px;overflow-y:auto;display:none;z-index:200}
.search-results.show{display:block}
.search-result{display:block;padding:10px 14px;text-decoration:none;color:var(--text-primary);border-bottom:1px solid var(--border);transition:background 0.15s}
.search-result:hover{background:var(--green-pale)}
.search-result-name{font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:2px}
.search-result-cat{font-size:11px;color:var(--text-muted)}
.search-empty{padding:20px;text-align:center;font-size:13px;color:var(--text-muted)}

/* Hero */
.hero{position:relative;height:100vh;min-height:600px;display:flex;align-items:flex-end;overflow:hidden;margin-top:68px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center 40%;transform:scale(1.04);transition:transform 8s ease-out}
.hero-bg.loaded{transform:scale(1)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(27,58,45,0.20) 0%,rgba(27,58,45,0.45) 50%,rgba(27,58,45,0.85) 100%)}
.hero-content{position:relative;z-index:2;padding:0 40px 64px;max-width:720px}
.hero-tag{display:inline-block;background:var(--green-mid);color:#D6EBE0;font-size:11px;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;padding:5px 14px;border-radius:3px;margin-bottom:20px}
.hero h1{font-family:'Barlow Condensed',sans-serif;font-size:clamp(36px,5vw,62px);font-weight:600;color:#fff;line-height:1.08;letter-spacing:-0.01em;margin-bottom:16px}
.hero p{font-size:16px;color:rgba(255,255,255,0.78);line-height:1.65;margin-bottom:32px;max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.btn-primary{background:#fff;color:var(--green-dark);border:none;padding:13px 28px;border-radius:6px;font-family:'Barlow',sans-serif;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all 0.2s;letter-spacing:0.02em}
.btn-primary:hover{background:var(--green-pale);transform:translateY(-1px);box-shadow:0 6px 20px rgba(0,0,0,0.2)}
.btn-outline{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,0.45);padding:13px 28px;border-radius:6px;font-family:'Barlow',sans-serif;font-size:14px;font-weight:500;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all 0.2s}
.btn-outline:hover{border-color:rgba(255,255,255,0.8);background:rgba(255,255,255,0.1)}

/* Sections */
section{padding:80px 40px}
.section-label{font-size:11px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;color:var(--green-mid);margin-bottom:12px;display:block}
.section-title{font-family:'Barlow Condensed',sans-serif;font-size:clamp(28px,3.5vw,42px);font-weight:600;color:var(--text-primary);line-height:1.1;letter-spacing:-0.01em;margin-bottom:16px}
.section-sub{font-size:15px;color:var(--text-secondary);max-width:580px;line-height:1.65}

/* Categories */
#products{background:var(--off-white)}
.categories-header{max-width:1200px;margin:0 auto 48px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;max-width:1200px;margin:0 auto}
.cat-card{background:var(--white);border:1px solid var(--border);border-radius:10px;padding:24px;cursor:pointer;transition:all 0.22s;position:relative;overflow:hidden;text-decoration:none;color:inherit;display:block}
.cat-card::before{content:'';position:absolute;top:0;left:0;width:3px;height:100%;background:var(--green-mid);opacity:0;transition:opacity 0.22s}
.cat-card:hover{border-color:var(--green-mid);box-shadow:var(--shadow);transform:translateY(-2px)}
.cat-card:hover::before{opacity:1}
.cat-icon{width:40px;height:40px;background:var(--green-pale);border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.cat-icon svg{width:20px;height:20px}
.cat-name{font-family:'Barlow Condensed',sans-serif;font-size:17px;font-weight:600;color:var(--text-primary);margin-bottom:4px}
.cat-sub{font-size:12px;color:var(--text-secondary);line-height:1.5}
.cat-count{position:absolute;top:20px;right:20px;font-size:11px;font-weight:600;color:var(--green-mid);background:var(--green-pale);padding:3px 8px;border-radius:10px}

/* About */
#about{background:var(--green-dark)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:32px;max-width:1200px;margin:48px auto 0}
.why-card{display:flex;gap:20px;align-items:flex-start}
.why-icon{width:44px;height:44px;background:rgba(255,255,255,0.1);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.why-icon svg{width:22px;height:22px;stroke:#A8D4B8}
.why-card h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:6px}
.why-card p{font-size:13px;color:rgba(255,255,255,0.6);line-height:1.6}

/* Strategic */
.strategic{background:var(--green-mist);border-top:3px solid var(--green-mid)}
.strategic-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px;max-width:1200px;margin:48px auto 0}
.strategic-card{background:var(--white);border:1px solid var(--border);border-radius:12px;padding:36px;position:relative;overflow:hidden}
.strategic-card::after{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(to right,var(--green-dark),var(--green-mid))}
.strategic-tag{display:inline-block;background:var(--green-pale);color:var(--green-mid);font-size:10px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;padding:4px 10px;border-radius:3px;margin-bottom:16px}
.strategic-card h3{font-family:'Barlow Condensed',sans-serif;font-size:24px;font-weight:600;color:var(--text-primary);margin-bottom:12px}
.strategic-card p{font-size:14px;color:var(--text-secondary);line-height:1.65;margin-bottom:20px}
.strategic-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.strategic-list li{font-size:13px;color:var(--text-secondary);padding-left:18px;position:relative}
.strategic-list li::before{content:'›';color:var(--green-mid);font-size:16px;font-weight:700;position:absolute;left:0;top:-2px}

/* Contact */
#contact{background:var(--green-dark)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;max-width:1200px;margin:48px auto 0}
.contact-info h3{font-size:13px;font-weight:600;color:rgba(255,255,255,0.45);letter-spacing:0.1em;text-transform:uppercase;margin-bottom:24px}
.contact-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:24px}
.contact-icon{width:36px;height:36px;background:rgba(255,255,255,0.08);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-icon svg{width:16px;height:16px;stroke:#A8D4B8}
.contact-item a,.contact-item span{color:#fff;text-decoration:none;font-size:15px;font-weight:500;display:block;margin-bottom:2px}
.contact-item small{font-size:12px;color:rgba(255,255,255,0.45);display:block}
.contact-form form{display:flex;flex-direction:column;gap:14px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.contact-form input,.contact-form select,.contact-form textarea{background:rgba(255,255,255,0.07);border:1px solid rgba(255,255,255,0.15);border-radius:6px;padding:12px 16px;color:#fff;font-family:'Barlow',sans-serif;font-size:14px;outline:none;transition:border-color 0.2s;width:100%}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:rgba(255,255,255,0.35)}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--green-light)}
.contact-form select{cursor:pointer;color:rgba(255,255,255,0.7)}
.contact-form select option{background:var(--green-dark);color:#fff}
.contact-form textarea{resize:vertical;min-height:100px}
.btn-submit{background:var(--green-mid);color:#fff;border:none;padding:13px 28px;border-radius:6px;font-family:'Barlow',sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all 0.2s;align-self:flex-start}
.btn-submit:hover{background:var(--green-light);transform:translateY(-1px)}
.btn-submit:disabled{opacity:0.6;cursor:not-allowed}
.form-status{padding:12px 16px;border-radius:6px;margin-top:8px;font-size:13px;display:none}
.form-status.success{background:rgba(74,138,98,0.2);border:1px solid var(--green-light);color:#C8E0D0;display:block}
.form-status.error{background:rgba(220,53,69,0.15);border:1px solid rgba(220,53,69,0.4);color:#F5C8CC;display:block}

/* Footer */
footer{background:#0F2419;padding:28px 40px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer-logo img{height:24px;opacity:0.7}
footer p{font-size:12px;color:rgba(255,255,255,0.35)}
.footer-links{display:flex;gap:20px;list-style:none}
.footer-links a{font-size:12px;color:rgba(255,255,255,0.35);text-decoration:none;transition:color 0.2s}
.footer-links a:hover{color:rgba(255,255,255,0.7)}

/* Product page */
.product-page{padding-top:100px;max-width:900px;margin:0 auto;padding-left:40px;padding-right:40px;padding-bottom:80px}
.breadcrumb{font-size:13px;color:var(--text-muted);margin-bottom:24px}
.breadcrumb a{color:var(--green-mid);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.product-page h1{font-family:'Barlow Condensed',sans-serif;font-size:38px;font-weight:600;color:var(--text-primary);letter-spacing:-0.01em;margin-bottom:16px}
.product-meta{display:flex;gap:24px;flex-wrap:wrap;padding:16px 20px;background:var(--green-mist);border-radius:8px;margin-bottom:32px;border:1px solid var(--border)}
.product-meta-item{font-size:13px}
.product-meta-label{color:var(--text-muted);display:block;margin-bottom:2px;font-size:11px;text-transform:uppercase;letter-spacing:0.06em;font-weight:600}
.product-meta-value{color:var(--text-primary);font-weight:500;font-family:'Barlow Condensed',sans-serif;font-size:16px}
.product-section{margin-bottom:32px}
.product-section h2{font-family:'Barlow Condensed',sans-serif;font-size:20px;font-weight:600;color:var(--green-dark);margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--green-pale)}
.product-section p{font-size:15px;line-height:1.7;color:var(--text-secondary);white-space:pre-wrap}
.product-cta{background:var(--green-dark);color:#fff;padding:28px 32px;border-radius:12px;margin-top:40px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.product-cta-text{font-family:'Barlow Condensed',sans-serif;font-size:18px;font-weight:500}
.product-cta-btn{background:#fff;color:var(--green-dark);padding:12px 24px;border-radius:6px;text-decoration:none;font-weight:600;font-size:14px;transition:all 0.2s;display:inline-flex;align-items:center;gap:8px}
.product-cta-btn:hover{background:var(--green-pale)}

/* Category page */
.cat-page{padding-top:100px;max-width:1200px;margin:0 auto;padding-left:40px;padding-right:40px;padding-bottom:80px}
.cat-page h1{font-family:'Barlow Condensed',sans-serif;font-size:42px;font-weight:600;color:var(--text-primary);margin-bottom:32px;letter-spacing:-0.01em}
.product-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.product-tile{background:var(--white);border:1px solid var(--border);border-radius:8px;padding:18px 20px;text-decoration:none;color:inherit;transition:all 0.2s}
.product-tile:hover{border-color:var(--green-mid);box-shadow:var(--shadow);transform:translateY(-1px)}
.product-tile-name{font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:4px}
.product-tile-formula{font-family:'Barlow Condensed',sans-serif;font-size:13px;color:var(--green-mid);font-weight:500}
.product-tile-cas{font-size:11px;color:var(--text-muted);margin-top:2px}

/* Animations */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity 0.6s ease,transform 0.6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* Responsive */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-search input{width:160px}
}
@media (max-width:768px){
  nav{padding:0 16px;gap:12px}
  .nav-search input{width:130px;padding-left:30px;font-size:12px}
  .nav-search input:focus{width:160px}
  section{padding:60px 20px}
  .hero-content{padding:0 20px 48px}
  .strategic-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .form-row{grid-template-columns:1fr}
  footer{flex-direction:column;align-items:flex-start}
  .product-page,.cat-page{padding-left:20px;padding-right:20px}
  .product-page h1{font-size:28px}
}