:root{--navy:#0B1F3B;--blue:#1565D8;--tint:#F4F7FB;--line:#E1E8F2;--ink:#1B2A41;--muted:#5C6B80;--r:10px}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font:400 1rem/1.6 Inter,system-ui,sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--navy);line-height:1.15;letter-spacing:-.02em;font-weight:700}
a{color:inherit;text-decoration:none}
svg{max-width:100%;display:block}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.wrap{width:min(1200px,100% - 2.5rem);margin-inline:auto}
.grid{display:grid;gap:1.25rem}
.cols-4{grid-template-columns:repeat(4,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}

/* buttons & links */
.btn{display:inline-flex;align-items:center;justify-content:center;padding:.8rem 1.4rem;border-radius:8px;font-weight:600;font-size:.92rem;border:1.5px solid transparent;transition:background .2s,color .2s,border-color .2s;cursor:pointer}
.btn-primary{background:var(--navy);color:#fff}.btn-primary:hover{background:var(--blue)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent}.btn-outline:hover{background:var(--navy);color:#fff}
.btn-sm{padding:.55rem 1rem;font-size:.85rem}
.btns{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.8rem}.btns.center{justify-content:center}
.link{font-weight:600;font-size:.9rem;color:var(--blue)}.link:hover{text-decoration:underline}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px;gap:1.5rem}
.logo{display:flex;align-items:center;gap:.5rem;font-weight:800;font-size:1.05rem;letter-spacing:.06em;color:var(--navy)}
.nav{display:flex;align-items:center;gap:1.5rem;font-weight:500;font-size:.9rem;flex:1;justify-content:flex-end}
.nav>a{color:var(--ink);transition:color .2s}.nav>a:hover,.nav>a.active{color:var(--blue)}
.caret{display:inline-block;width:6px;height:6px;border:solid currentColor;border-width:0 1.5px 1.5px 0;transform:rotate(45deg) translateY(-2px);margin-left:.3rem}
.nav-right{display:flex;align-items:center;gap:1.1rem;margin-left:.6rem}
.phone{font-weight:600;font-size:.88rem;color:var(--navy)}
.menu-btn{display:none;background:none;border:0;padding:.6rem;cursor:pointer}
.menu-btn span{display:block;width:24px;height:2px;background:var(--navy);margin:5px 0;transition:.25s}
.menu-btn[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn[aria-expanded=true] span:nth-child(2){opacity:0}
.menu-btn[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* products dropdown */
.nav-item{position:relative;display:flex;align-items:center;padding:1rem 0}
.nav-item>a{color:var(--ink);transition:color .2s}
.nav-item>a:hover,.nav-item>a.active{color:var(--blue)}
.drop-btn{background:none;border:0;padding:.4rem .3rem .4rem .5rem;cursor:pointer;color:var(--ink);line-height:1}
.drop-btn .caret{margin-left:0;transition:transform .2s}
.has-drop:hover .drop-btn,.has-drop.open .drop-btn{color:var(--blue)}
.dropdown{list-style:none;padding:.5rem;margin:0;position:absolute;top:100%;left:-.75rem;min-width:200px;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 14px 30px -14px rgba(11,31,59,.35);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s,transform .2s,visibility .2s;z-index:60}
.has-drop:hover .dropdown,.has-drop:focus-within .dropdown,.has-drop.open .dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{display:block;padding:.6rem .9rem;border-radius:8px;font-size:.88rem;color:var(--ink);white-space:nowrap}
.dropdown a:hover{background:var(--tint);color:var(--blue)}

/* hero */
.hero{position:relative;min-height:600px;display:flex;align-items:center;padding:4rem 0;background:linear-gradient(90deg,#fff 0,rgba(255,255,255,.94) 38%,rgba(255,255,255,.35) 70%,rgba(255,255,255,0) 100%),var(--hero-img) center/cover no-repeat,linear-gradient(135deg,#EAF1FB,#C9DAF2)}
.hero-copy{max-width:600px}
.badge{display:inline-block;font-size:.74rem;font-weight:600;letter-spacing:.04em;padding:.4rem .9rem;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--navy);margin-bottom:1.3rem}
.hero h1{font-size:clamp(2.2rem,5vw,3.6rem);font-weight:800}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero-copy>p{font-size:1.1rem;color:var(--muted);max-width:50ch;margin-top:1.2rem}
.hero-facts{display:flex;gap:2.2rem;margin-top:2.4rem;flex-wrap:wrap}
.hero-facts dt{font-size:.75rem;color:var(--muted)}.hero-facts dd{font-weight:700;color:var(--navy)}
.hero-ctrl{position:absolute;right:max(1.25rem,calc((100% - 1200px)/2));bottom:1.8rem;display:flex;align-items:center;gap:.8rem;background:rgba(255,255,255,.9);padding:.4rem .8rem;border-radius:999px;border:1px solid var(--line)}
.hero-ctrl button{background:none;border:0;font-size:1.3rem;line-height:1;cursor:pointer;color:var(--navy);padding:0 .3rem}
.bar-line{width:90px;height:3px;background:var(--line);border-radius:2px;overflow:hidden}.bar-line i{display:block;height:100%;width:100%;background:var(--blue);transition:width .3s}

/* stats */
.stats{border-bottom:1px solid var(--line)}
.stats .grid{grid-template-columns:repeat(5,1fr);gap:0;padding:2rem 0}
.stat{padding:0 1.2rem;border-left:1px solid var(--line)}.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:2.2rem;font-weight:800;color:var(--navy);letter-spacing:-.03em}
.stat span{font-size:.85rem;color:var(--muted)}

/* sections */
.section{padding:clamp(3.5rem,7vw,5.5rem) 0}.section.tint{background:var(--tint)}
.eyebrow{display:block;font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:.8rem}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800}
.head{margin-bottom:2.4rem}
.split-head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem}
.split-head>p{max-width:380px;color:var(--muted);font-size:.95rem}
.head.center{text-align:center;max-width:680px;margin-inline:auto
}
.head.center p{color:var(--muted);margin-top:.8rem}
.sub{color:var(--muted);margin-top:1rem;max-width:52ch}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.5rem;transition:border-color .2s,box-shadow .2s}
.section.tint .card{background:#fff}
.card:hover{border-color:#B9CCE8;box-shadow:0 8px 24px -14px rgba(11,31,59,.3)}
.card h3{font-size:1.05rem;margin:1rem 0 .5rem}.card p{color:var(--muted);font-size:.9rem}
.ico{flex:none;display:grid;place-items:center;width:40px;height:40px;border-radius:9px;background:#E8F0FC;color:var(--blue)}
.ico svg{width:20px;height:20px}
.family ul{list-style:none;padding:0;margin:1rem 0 1.2rem;display:grid;gap:.4rem;font-size:.86rem;color:var(--ink)}
.family li{display:flex;gap:.55rem;align-items:center}
.family li:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);flex:none}
.sol .row{display:flex;justify-content:space-between;align-items:flex-start}
.sol .tag{font-size:.75rem;font-weight:600;color:var(--muted)}
.sol .link{display:inline-block;margin-top:1rem}

/* two-column */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.two .grid{margin:1.6rem 0}
.photo{position:relative;min-height:420px;border-radius:14px;background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:1.2rem;overflow:hidden}
.photo.plant{background-image:url(../images/plant.jpg),linear-gradient(135deg,#C9DAF2,#8FB0DD)}
.photo.lab{background-image:url(../images/lab.jpg),linear-gradient(135deg,#B9CCE8,#5E86C0)}
.chips{display:flex;gap:.8rem;flex-wrap:wrap}
.chips>div{background:#fff;border-radius:8px;padding:.7rem 1rem;display:grid;box-shadow:0 6px 18px -8px rgba(11,31,59,.35)}
.chips b{color:var(--navy);font-size:1.05rem}.chips span{font-size:.75rem;color:var(--muted)}
.cap{display:flex;gap:.8rem;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1rem;align-items:flex-start}
.cap h4{font-size:.92rem}.cap p{font-size:.8rem;color:var(--muted)}
.lab-list{list-style:none;padding:0;display:grid;gap:.8rem;margin:1.6rem 0 2rem}
.lab-list li{display:flex;gap:1rem;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1rem 1.2rem}
.lab-list b{display:block;color:var(--navy);font-size:.95rem}.lab-list span{font-size:.85rem;color:var(--muted)}
.impact b{display:block;font-size:2.8rem;font-weight:800;color:var(--blue);letter-spacing:-.03em;line-height:1}
.impact{border-bottom:3px solid var(--blue)}
.gs{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1rem 1.2rem}
.gs b{display:block;font-size:1.8rem;font-weight:800;color:var(--navy)}.gs span{font-size:.82rem;color:var(--muted)}
.map{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.4rem}
.map h4{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.8rem}
.legend{font-size:.8rem;color:var(--muted);margin-top:.8rem}
.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--blue);margin-right:.4rem}.legend i.d{background:var(--navy);margin-left:1rem}

/* cta + footer */
.cta-sec{padding:0 0 clamp(3.5rem,7vw,5.5rem)}
.cta{background:var(--tint);border:1px solid var(--line);border-radius:16px;text-align:center;padding:clamp(2.5rem,6vw,4rem) 1.5rem}
.cta h2{max-width:20ch;margin-inline:auto}
.cta>p{max-width:56ch;margin:1rem auto 0;color:var(--muted)}
.cta .small{font-size:.85rem;margin-top:1.5rem}
.site-footer{background:var(--navy);color:#A9BAD3;padding-top:3.5rem;font-size:.9rem}
.site-footer .logo{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem}
.foot-brand p{margin-top:1rem;max-width:34ch}
.site-footer h4{color:#fff;font-size:.85rem;margin-bottom:.9rem}
.site-footer a{display:block;padding:.2rem 0}.site-footer a:hover{color:#fff}
.foot-bar{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding:1.2rem 0;font-size:.8rem}
.foot-bar a{display:inline;margin-left:1.2rem}

/* tablet */
@media(max-width:1100px){.nav{gap:1rem;font-size:.84rem}.phone{display:none}.cols-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){
  .two{grid-template-columns:1fr}.photo{min-height:320px}
  .stats .grid{grid-template-columns:repeat(3,1fr);row-gap:1.5rem}.stat:nth-child(4){border-left:0;padding-left:0}
  .split-head{flex-direction:column;align-items:flex-start;gap:1rem}
  .foot-grid{grid-template-columns:1fr 1fr}
}
/* mobile nav */
@media(max-width:860px){
  .menu-btn{display:block}
  .nav{position:absolute;inset:100% 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:.5rem 1.25rem 1.25rem;max-height:0;overflow:hidden;visibility:hidden;opacity:0;transition:.3s}
  .nav.open{max-height:85vh;visibility:visible;opacity:1;overflow:auto}
  .nav>a{padding:.85rem 0;border-bottom:1px solid var(--line)}
  /* products dropdown (mobile: accordion) */
  .nav-item{flex-wrap:wrap;padding:0;border-bottom:1px solid var(--line)}
  .nav-item>a{flex:1;padding:.85rem 0}
  .drop-btn{padding:.85rem .5rem}
  .has-drop.open .caret{transform:rotate(225deg) translateY(-2px)}
  .dropdown{position:static;width:100%;min-width:0;box-shadow:none;border:0;padding:0 0 .5rem 1rem;display:none;opacity:1;visibility:visible;transform:none}
  .has-drop.open .dropdown{display:block}
  .has-drop:hover .dropdown,.has-drop:focus-within .dropdown{display:none}
  .has-drop.open:hover .dropdown,.has-drop.open:focus-within .dropdown{display:block}
  .nav-right{margin:1rem 0 0;flex-direction:column;align-items:stretch}.phone{display:block}.nav-right .btn{width:100%}
  .hero{min-height:0;background:linear-gradient(180deg,rgba(255,255,255,.96) 0,rgba(255,255,255,.88) 100%),var(--hero-img) center/cover no-repeat,#EAF1FB}
  .hero-ctrl{display:none}
}
@media(max-width:560px){
  .cols-4,.cols-2{grid-template-columns:1fr}
  .stats .grid{grid-template-columns:1fr 1fr}.stat{border-left:0;padding:0}
  .btn{width:100%}.btns .btn{flex:1 1 100%}
  .hero-facts{gap:1.2rem}
  .foot-grid{grid-template-columns:1fr}.foot-bar{flex-direction:column}.foot-bar a{margin:0 1.2rem 0 0}
  .photo{min-height:260px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}